diff options
290 files changed, 3411 insertions, 2178 deletions
diff --git a/Documentation/devicetree/bindings/clock/exynos5250-clock.txt b/Documentation/devicetree/bindings/clock/exynos5250-clock.txt index 46f5c791ea0d..0f2f920e8734 100644 --- a/Documentation/devicetree/bindings/clock/exynos5250-clock.txt +++ b/Documentation/devicetree/bindings/clock/exynos5250-clock.txt @@ -159,6 +159,8 @@ clock which they consume. mixer 343 hdmi 344 g2d 345 + mdma0 346 + smmu_mdma0 347 [Clock Muxes] diff --git a/Documentation/spi/spi-summary b/Documentation/spi/spi-summary index f21edb983413..f72e0d1e0da8 100644 --- a/Documentation/spi/spi-summary +++ b/Documentation/spi/spi-summary @@ -34,7 +34,7 @@ SPI slave functions are usually not interoperable between vendors - It may also be used to stream data in either direction (half duplex), or both of them at the same time (full duplex). - - Some devices may use eight bit words. Others may different word + - Some devices may use eight bit words. Others may use different word lengths, such as streams of 12-bit or 20-bit digital samples. - Words are usually sent with their most significant bit (MSB) first, @@ -121,7 +121,7 @@ active. So the master must set the clock to inactive before selecting a slave, and the slave can tell the chosen polarity by sampling the clock level when its select line goes active. That's why many devices support for example both modes 0 and 3: they don't care about polarity, -and alway clock data in/out on rising clock edges. +and always clock data in/out on rising clock edges. How do these driver programming interfaces work? @@ -139,7 +139,7 @@ a command and then reading its response. There are two types of SPI driver, here called: - Controller drivers ... controllers may be built in to System-On-Chip + Controller drivers ... controllers may be built into System-On-Chip processors, and often support both Master and Slave roles. These drivers touch hardware registers and may use DMA. Or they can be PIO bitbangers, needing just GPIO pins. @@ -548,7 +548,7 @@ SPI MASTER METHODS DEPRECATED METHODS master->transfer(struct spi_device *spi, struct spi_message *message) - This must not sleep. Its responsibility is arrange that the + This must not sleep. Its responsibility is to arrange that the transfer happens and its complete() callback is issued. The two will normally happen later, after other transfers complete, and if the controller is idle it will need to be kickstarted. This diff --git a/MAINTAINERS b/MAINTAINERS index d5e4ff328cc7..31a046213274 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -783,7 +783,7 @@ F: arch/arm/boot/dts/sama*.dts F: arch/arm/boot/dts/sama*.dtsi ARM/CALXEDA HIGHBANK ARCHITECTURE -M: Rob Herring <rob.herring@calxeda.com> +M: Rob Herring <robh@kernel.org> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) S: Maintained F: arch/arm/mach-highbank/ @@ -1368,6 +1368,9 @@ T: git git://git.xilinx.com/linux-xlnx.git S: Supported F: arch/arm/mach-zynq/ F: drivers/cpuidle/cpuidle-zynq.c +N: zynq +N: xilinx +F: drivers/clocksource/cadence_ttc_timer.c ARM SMMU DRIVER M: Will Deacon <will.deacon@arm.com> @@ -2825,8 +2828,10 @@ F: include/uapi/drm/ INTEL DRM DRIVERS (excluding Poulsbo, Moorestown and derivative chipsets) M: Daniel Vetter <daniel.vetter@ffwll.ch> +M: Jani Nikula <jani.nikula@linux.intel.com> L: intel-gfx@lists.freedesktop.org L: dri-devel@lists.freedesktop.org +Q: http://patchwork.freedesktop.org/project/intel-gfx/ T: git git://people.freedesktop.org/~danvet/drm-intel S: Supported F: drivers/gpu/drm/i915/ @@ -6256,7 +6261,7 @@ F: drivers/i2c/busses/i2c-ocores.c OPEN FIRMWARE AND FLATTENED DEVICE TREE M: Grant Likely <grant.likely@linaro.org> -M: Rob Herring <rob.herring@calxeda.com> +M: Rob Herring <robh+dt@kernel.org> L: devicetree@vger.kernel.org W: http://fdt.secretlab.ca T: git git://git.secretlab.ca/git/linux-2.6.git @@ -6268,7 +6273,7 @@ K: of_get_property K: of_match_table OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS -M: Rob Herring <rob.herring@calxeda.com> +M: Rob Herring <robh+dt@kernel.org> M: Pawel Moll <pawel.moll@arm.com> M: Mark Rutland <mark.rutland@arm.com> M: Ian Campbell <ijc+devicetree@hellion.org.uk> @@ -1,7 +1,7 @@ VERSION = 3 PATCHLEVEL = 13 SUBLEVEL = 0 -EXTRAVERSION = -rc6 +EXTRAVERSION = -rc8 NAME = One Giant Leap for Frogkind # *DOCUMENTATION* diff --git a/arch/arm/boot/dts/exynos5250.dtsi b/arch/arm/boot/dts/exynos5250.dtsi index 9db5047812f3..177becde7a26 100644 --- a/arch/arm/boot/dts/exynos5250.dtsi +++ b/arch/arm/boot/dts/exynos5250.dtsi @@ -559,7 +559,7 @@ compatible = "arm,pl330", "arm,primecell"; reg = <0x10800000 0x1000>; interrupts = <0 33 0>; - clocks = <&clock 271>; + clocks = <&clock 346>; clock-names = "apb_pclk"; #dma-cells = <1>; #dma-channels = <8>; diff --git a/arch/arm/crypto/aesbs-core.S_shipped b/arch/arm/crypto/aesbs-core.S_shipped index 64205d453260..71e5fc7cfb18 100644 --- a/arch/arm/crypto/aesbs-core.S_shipped +++ b/arch/arm/crypto/aesbs-core.S_shipped @@ -58,7 +58,7 @@ # define VFP_ABI_FRAME 0 # define BSAES_ASM_EXTENDED_KEY # define XTS_CHAIN_TWEAK -# define __ARM_ARCH__ __LINUX_ARM_ARCH__ +# define __ARM_ARCH__ 7 #endif #ifdef __thumb__ diff --git a/arch/arm/crypto/bsaes-armv7.pl b/arch/arm/crypto/bsaes-armv7.pl index f3d96d932573..be068db960ee 100644 --- a/arch/arm/crypto/bsaes-armv7.pl +++ b/arch/arm/crypto/bsaes-armv7.pl @@ -701,7 +701,7 @@ $code.=<<___; # define VFP_ABI_FRAME 0 # define BSAES_ASM_EXTENDED_KEY # define XTS_CHAIN_TWEAK -# define __ARM_ARCH__ __LINUX_ARM_ARCH__ +# define __ARM_ARCH__ 7 #endif #ifdef __thumb__ diff --git a/arch/arm/include/asm/io.h b/arch/arm/include/asm/io.h index 3c597c222ef2..fbeb39c869e9 100644 --- a/arch/arm/include/asm/io.h +++ b/arch/arm/include/asm/io.h @@ -329,7 +329,7 @@ extern void _memset_io(volatile void __iomem *, int, size_t); */ #define ioremap(cookie,size) __arm_ioremap((cookie), (size), MT_DEVICE) #define ioremap_nocache(cookie,size) __arm_ioremap((cookie), (size), MT_DEVICE) -#define ioremap_cached(cookie,size) __arm_ioremap((cookie), (size), MT_DEVICE_CACHED) +#define ioremap_cache(cookie,size) __arm_ioremap((cookie), (size), MT_DEVICE_CACHED) #define ioremap_wc(cookie,size) __arm_ioremap((cookie), (size), MT_DEVICE_WC) #define iounmap __arm_iounmap diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h index 6976b03e5213..8756e4bcdba0 100644 --- a/arch/arm/include/asm/memory.h +++ b/arch/arm/include/asm/memory.h @@ -347,7 +347,8 @@ static inline __deprecated void *bus_to_virt(unsigned long x) #define ARCH_PFN_OFFSET PHYS_PFN_OFFSET #define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT) -#define virt_addr_valid(kaddr) ((unsigned long)(kaddr) >= PAGE_OFFSET && (unsigned long)(kaddr) < (unsigned long)high_memory) +#define virt_addr_valid(kaddr) (((unsigned long)(kaddr) >= PAGE_OFFSET && (unsigned long)(kaddr) < (unsigned long)high_memory) \ + && pfn_valid(__pa(kaddr) >> PAGE_SHIFT) ) #endif diff --git a/arch/arm/include/asm/xen/page.h b/arch/arm/include/asm/xen/page.h index 75579a9d6f76..3759cacdd7f8 100644 --- a/arch/arm/include/asm/xen/page.h +++ b/arch/arm/include/asm/xen/page.h @@ -117,6 +117,6 @@ static inline bool set_phys_to_machine(unsigned long pfn, unsigned long mfn) return __set_phys_to_machine(pfn, mfn); } -#define xen_remap(cookie, size) ioremap_cached((cookie), (size)); +#define xen_remap(cookie, size) ioremap_cache((cookie), (size)); #endif /* _ASM_ARM_XEN_PAGE_H */ diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c index 7940241f0576..6eda3bf85c52 100644 --- a/arch/arm/kernel/traps.c +++ b/arch/arm/kernel/traps.c @@ -36,7 +36,13 @@ #include <asm/system_misc.h> #include <asm/opcodes.h> -static const char *handler[]= { "prefetch abort", "data abort", "address exception", "interrupt" }; +static const char *handler[]= { + "prefetch abort", + "data abort", + "address exception", + "interrupt", + "undefined instruction", +}; void *vectors_page; diff --git a/arch/arm/mach-footbridge/dc21285-timer.c b/arch/arm/mach-footbridge/dc21285-timer.c index 9ee78f7b4990..782f6c71fa0a 100644 --- a/arch/arm/mach-footbridge/dc21285-timer.c +++ b/arch/arm/mach-footbridge/dc21285-timer.c @@ -96,11 +96,12 @@ static struct irqaction footbridge_timer_irq = { void __init footbridge_timer_init(void) { struct clock_event_device *ce = &ckevt_dc21285; + unsigned rate = DIV_ROUND_CLOSEST(mem_fclk_21285, 16); - clocksource_register_hz(&cksrc_dc21285, (mem_fclk_21285 + 8) / 16); + clocksource_register_hz(&cksrc_dc21285, rate); setup_irq(ce->irq, &footbridge_timer_irq); ce->cpumask = cpumask_of(smp_processor_id()); - clockevents_config_and_register(ce, mem_fclk_21285, 0x4, 0xffffff); + clockevents_config_and_register(ce, rate, 0x4, 0xffffff); } diff --git a/arch/arm/mach-shmobile/board-armadillo800eva.c b/arch/arm/mach-shmobile/board-armadillo800eva.c index c18689123023..8ea87bd45c33 100644 --- a/arch/arm/mach-shmobile/board-armadillo800eva.c +++ b/arch/arm/mach-shmobile/board-armadillo800eva.c @@ -483,7 +483,7 @@ static struct platform_device lcdc0_device = { .id = 0, .dev = { .platform_data = &lcdc0_info, - .coherent_dma_mask = ~0, + .coherent_dma_mask = DMA_BIT_MASK(32), }, }; @@ -580,7 +580,7 @@ static struct platform_device hdmi_lcdc_device = { .id = 1, .dev = { .platform_data = &hdmi_lcdc_info, - .coherent_dma_mask = ~0, + .coherent_dma_mask = DMA_BIT_MASK(32), }, }; diff --git a/arch/arm/mach-shmobile/board-kzm9g.c b/arch/arm/mach-shmobile/board-kzm9g.c index fe689b7fdc9e..bc40b853ffd3 100644 --- a/arch/arm/mach-shmobile/board-kzm9g.c +++ b/arch/arm/mach-shmobile/board-kzm9g.c @@ -334,7 +334,7 @@ static struct platform_device lcdc_device = { .resource = lcdc_resources, .dev = { .platform_data = &lcdc_info, - .coherent_dma_mask = ~0, + .coherent_dma_mask = DMA_BIT_MASK(32), }, }; diff --git a/arch/arm/mach-shmobile/board-mackerel.c b/arch/arm/mach-shmobile/board-mackerel.c index af06753eb809..e721d2ccceae 100644 --- a/arch/arm/mach-shmobile/board-mackerel.c +++ b/arch/arm/mach-shmobile/board-mackerel.c @@ -409,7 +409,7 @@ static struct platform_device lcdc_device = { .resource = lcdc_resources, .dev = { .platform_data = &lcdc_info, - .coherent_dma_mask = ~0, + .coherent_dma_mask = DMA_BIT_MASK(32), }, }; @@ -499,7 +499,7 @@ static struct platform_device hdmi_lcdc_device = { .id = 1, .dev = { .platform_data = &hdmi_lcdc_info, - .coherent_dma_mask = ~0, + .coherent_dma_mask = DMA_BIT_MASK(32), }, }; diff --git a/arch/arm/mm/flush.c b/arch/arm/mm/flush.c index 6d5ba9afb16a..3387e60e4ea3 100644 --- a/arch/arm/mm/flush.c +++ b/arch/arm/mm/flush.c @@ -175,16 +175,16 @@ void __flush_dcache_page(struct address_space *mapping, struct page *page) unsigned long i; if (cache_is_vipt_nonaliasing()) { for (i = 0; i < (1 << compound_order(page)); i++) { - void *addr = kmap_atomic(page); + void *addr = kmap_atomic(page + i); __cpuc_flush_dcache_area(addr, PAGE_SIZE); kunmap_atomic(addr); } } else { for (i = 0; i < (1 << compound_order(page)); i++) { - void *addr = kmap_high_get(page); + void *addr = kmap_high_get(page + i); if (addr) { __cpuc_flush_dcache_area(addr, PAGE_SIZE); - kunmap_high(page); + kunmap_high(page + i); } } } diff --git a/arch/parisc/include/asm/cacheflush.h b/arch/parisc/include/asm/cacheflush.h index f0e2784e7cca..2f9b751878ba 100644 --- a/arch/parisc/include/asm/cacheflush.h +++ b/arch/parisc/include/asm/cacheflush.h @@ -125,42 +125,38 @@ flush_anon_page(struct vm_area_struct *vma, struct page *page, unsigned long vma void mark_rodata_ro(void); #endif -#ifdef CONFIG_PA8X00 -/* Only pa8800, pa8900 needs this */ - #include <asm/kmap_types.h> #define ARCH_HAS_KMAP -void kunmap_parisc(void *addr); - static inline void *kmap(struct page *page) { might_sleep(); + flush_dcache_page(page); return page_address(page); } static inline void kunmap(struct page *page) { - kunmap_parisc(page_address(page)); + flush_kernel_dcache_page_addr(page_address(page)); } static inline void *kmap_atomic(struct page *page) { pagefault_disable(); + flush_dcache_page(page); return page_address(page); } static inline void __kunmap_atomic(void *addr) { - kunmap_parisc(addr); + flush_kernel_dcache_page_addr(addr); pagefault_enable(); } #define kmap_atomic_prot(page, prot) kmap_atomic(page) #define kmap_atomic_pfn(pfn) kmap_atomic(pfn_to_page(pfn)) #define kmap_atomic_to_page(ptr) virt_to_page(ptr) -#endif #endif /* _PARISC_CACHEFLUSH_H */ diff --git a/arch/parisc/include/asm/page.h b/arch/parisc/include/asm/page.h index b7adb2ac049c..c53fc63149e8 100644 --- a/arch/parisc/include/asm/page.h +++ b/arch/parisc/include/asm/page.h @@ -28,9 +28,8 @@ struct page; void clear_page_asm(void *page); void copy_page_asm(void *to, void *from); -void clear_user_page(void *vto, unsigned long vaddr, struct page *pg); -void copy_user_page(void *vto, void *vfrom, unsigned long vaddr, - struct page *pg); +#define clear_user_page(vto, vaddr, page) clear_page_asm(vto) +#define copy_user_page(vto, vfrom, vaddr, page) copy_page_asm(vto, vfrom) /* #define CONFIG_PARISC_TMPALIAS */ diff --git a/arch/parisc/kernel/cache.c b/arch/parisc/kernel/cache.c index c035673209f7..a72545554a31 100644 --- a/arch/parisc/kernel/cache.c +++ b/arch/parisc/kernel/cache.c @@ -388,41 +388,6 @@ void flush_kernel_dcache_page_addr(void *addr) } EXPORT_SYMBOL(flush_kernel_dcache_page_addr); -void clear_user_page(void *vto, unsigned long vaddr, struct page *page) -{ - clear_page_asm(vto); - if (!parisc_requires_coherency()) - flush_kernel_dcache_page_asm(vto); -} -EXPORT_SYMBOL(clear_user_page); - -void copy_user_page(void *vto, void *vfrom, unsigned long vaddr, - struct page *pg) -{ - /* Copy using kernel mapping. No coherency is needed - (all in kmap/kunmap) on machines that don't support - non-equivalent aliasing. However, the `from' page - needs to be flushed before it can be accessed through - the kernel mapping. */ - preempt_disable(); - flush_dcache_page_asm(__pa(vfrom), vaddr); - preempt_enable(); - copy_page_asm(vto, vfrom); - if (!parisc_requires_coherency()) - flush_kernel_dcache_page_asm(vto); -} -EXPORT_SYMBOL(copy_user_page); - -#ifdef CONFIG_PA8X00 - -void kunmap_parisc(void *addr) -{ - if (parisc_requires_coherency()) - flush_kernel_dcache_page_addr(addr); -} -EXPORT_SYMBOL(kunmap_parisc); -#endif - void purge_tlb_entries(struct mm_struct *mm, unsigned long addr) { unsigned long flags; diff --git a/arch/powerpc/boot/dts/mpc5125twr.dts b/arch/powerpc/boot/dts/mpc5125twr.dts index 4177b62240c2..a618dfc13e4c 100644 --- a/arch/powerpc/boot/dts/mpc5125twr.dts +++ b/arch/powerpc/boot/dts/mpc5125twr.dts @@ -58,7 +58,6 @@ compatible = "fsl,mpc5121-immr"; #address-cells = <1>; #size-cells = <1>; - #interrupt-cells = <2>; ranges = <0x0 0x80000000 0x400000>; reg = <0x80000000 0x400000>; bus-frequency = <66000000>; // 66 MHz ips bus @@ -189,6 +188,10 @@ reg = <0xA000 0x1000>; }; + // disable USB1 port + // TODO: + // correct pinmux config and fix USB3320 ulpi dependency + // before re-enabling it usb@3000 { compatible = "fsl,mpc5121-usb2-dr"; reg = <0x3000 0x400>; @@ -197,6 +200,7 @@ interrupts = <43 0x8>; dr_mode = "host"; phy_type = "ulpi"; + status = "disabled"; }; // 5125 PSCs are not 52xx or 5121 PSC compatible diff --git a/arch/powerpc/include/asm/exception-64s.h b/arch/powerpc/include/asm/exception-64s.h index 894662a5d4d5..243ce69ad685 100644 --- a/arch/powerpc/include/asm/exception-64s.h +++ b/arch/powerpc/include/asm/exception-64s.h @@ -284,7 +284,7 @@ do_kvm_##n: \ subi r1,r1,INT_FRAME_SIZE; /* alloc frame on kernel stack */ \ beq- 1f; \ ld r1,PACAKSAVE(r13); /* kernel stack to use */ \ -1: cmpdi cr1,r1,0; /* check if r1 is in userspace */ \ +1: cmpdi cr1,r1,-INT_FRAME_SIZE; /* check if r1 is in userspace */ \ blt+ cr1,3f; /* abort if it is */ \ li r1,(n); /* will be reloaded later */ \ sth r1,PACA_TRAP_SAVE(r13); \ diff --git a/arch/powerpc/include/asm/unaligned.h b/arch/powerpc/include/asm/unaligned.h index 5f1b1e3c2137..8296381ae432 100644 --- a/arch/powerpc/include/asm/unaligned.h +++ b/arch/powerpc/include/asm/unaligned.h @@ -4,13 +4,18 @@ #ifdef __KERNEL__ /* - * The PowerPC can do unaligned accesses itself in big endian mode. + * The PowerPC can do unaligned accesses itself based on its endian mode. */ #include <linux/unaligned/access_ok.h> #include <linux/unaligned/generic.h> +#ifdef __LITTLE_ENDIAN__ +#define get_unaligned __get_unaligned_le +#define put_unaligned __put_unaligned_le +#else #define get_unaligned __get_unaligned_be #define put_unaligned __put_unaligned_be +#endif #endif /* __KERNEL__ */ #endif /* _ASM_POWERPC_UNALIGNED_H */ diff --git a/arch/powerpc/kernel/head_64.S b/arch/powerpc/kernel/head_64.S index 2ae41aba4053..4f0946de2d5c 100644 --- a/arch/powerpc/kernel/head_64.S +++ b/arch/powerpc/kernel/head_64.S @@ -80,6 +80,7 @@ END_FTR_SECTION(0, 1) * of the function that the cpu should jump to to continue * initialization. */ + .balign 8 .globl __secondary_hold_spinloop __secondary_hold_spinloop: .llong 0x0 @@ -470,6 +471,7 @@ _STATIC(__after_prom_start) mtctr r8 bctr +.balign 8 p_end: .llong _end - _stext 4: /* Now copy the rest of the kernel up to _end */ diff --git a/arch/powerpc/lib/copyuser_64.S b/arch/powerpc/lib/copyuser_64.S index d73a59014900..596a285c0755 100644 --- a/arch/powerpc/lib/copyuser_64.S +++ b/arch/powerpc/lib/copyuser_64.S @@ -9,6 +9,14 @@ #include <asm/processor.h> #include <asm/ppc_asm.h> +#ifdef __BIG_ENDIAN__ +#define sLd sld /* Shift towards low-numbered address. */ +#define sHd srd /* Shift towards high-numbered address. */ +#else +#define sLd srd /* Shift towards low-numbered address. */ +#define sHd sld /* Shift towards high-numbered address. */ +#endif + .align 7 _GLOBAL(__copy_tofrom_user) BEGIN_FTR_SECTION @@ -118,10 +126,10 @@ END_FTR_SECTION_IFCLR(CPU_FTR_UNALIGNED_LD_STD) 24: ld r9,0(r4) /* 3+2n loads, 2+2n stores */ 25: ld r0,8(r4) - sld r6,r9,r10 + sLd r6,r9,r10 26: ldu r9,16(r4) - srd r7,r0,r11 - sld r8,r0,r10 + sHd r7,r0,r11 + sLd r8,r0,r10 or r7,r7,r6 blt cr6,79f 27: ld r0,8(r4) @@ -129,35 +137,35 @@ END_FTR_SECTION_IFCLR(CPU_FTR_UNALIGNED_LD_STD) 28: ld r0,0(r4) /* 4+2n loads, 3+2n stores */ 29: ldu r9,8(r4) - sld r8,r0,r10 + sLd r8,r0,r10 addi r3,r3,-8 blt cr6,5f 30: ld r0,8(r4) - srd r12,r9,r11 - sld r6,r9,r10 + sHd r12,r9,r11 + sLd r6,r9,r10 31: ldu r9,16(r4) or r12,r8,r12 - srd r7,r0,r11 - sld r8,r0,r10 + sHd r7,r0,r11 + sLd r8,r0,r10 addi r3,r3,16 beq cr6,78f 1: or r7,r7,r6 32: ld r0,8(r4) 76: std r12,8(r3) -2: srd r12,r9,r11 - sld r6,r9,r10 +2: sHd r12,r9,r11 + sLd r6,r9,r10 33: ldu r9,16(r4) or r12,r8,r12 77: stdu r7,16(r3) - srd r7,r0,r11 - sld r8,r0,r10 + sHd r7,r0,r11 + sLd r8,r0,r10 bdnz 1b 78: std r12,8(r3) or r7,r7,r6 79: std r7,16(r3) -5: srd r12,r9,r11 +5: sHd r12,r9,r11 or r12,r8,r12 80: std r12,24(r3) bne 6f @@ -165,23 +173,38 @@ END_FTR_SECTION_IFCLR(CPU_FTR_UNALIGNED_LD_STD) blr 6: cmpwi cr1,r5,8 addi r3,r3,32 - sld r9,r9,r10 + sLd r9,r9,r10 ble cr1,7f 34: ld r0,8(r4) - srd r7,r0,r11 + sHd r7,r0,r11 or r9,r7,r9 7: bf cr7*4+1,1f +#ifdef __BIG_ENDIAN__ rotldi r9,r9,32 +#endif 94: stw r9,0(r3) +#ifdef __LITTLE_ENDIAN__ + rotrdi r9,r9,32 +#endif addi r3,r3,4 1: bf cr7*4+2,2f +#ifdef __BIG_ENDIAN__ rotldi r9,r9,16 +#endif 95: sth r9,0(r3) +#ifdef __LITTLE_ENDIAN__ + rotrdi r9,r9,16 +#endif addi r3,r3,2 2: bf cr7*4+3,3f +#ifdef __BIG_ENDIAN__ rotldi r9,r9,8 +#endif 96: stb r9,0(r3) +#ifdef __LITTLE_ENDIAN__ + rotrdi r9,r9,8 +#endif 3: li r3,0 blr diff --git a/arch/powerpc/platforms/powernv/eeh-ioda.c b/arch/powerpc/platforms/powernv/eeh-ioda.c index 02245cee7818..d7ddcee7feb8 100644 --- a/arch/powerpc/platforms/powernv/eeh-ioda.c +++ b/arch/powerpc/platforms/powernv/eeh-ioda.c @@ -36,7 +36,6 @@ #include "powernv.h" #include "pci.h" -static char *hub_diag = NULL; static int ioda_eeh_nb_init = 0; static int ioda_eeh_event(struct notifier_block *nb, @@ -140,15 +139,6 @@ static int ioda_eeh_post_init(struct pci_controller *hose) ioda_eeh_nb_init = 1; } - /* We needn't HUB diag-data on PHB3 */ - if (phb->type == PNV_PHB_IODA1 && !hub_diag) { - hub_diag = (char *)__get_free_page(GFP_KERNEL | __GFP_ZERO); - if (!hub_diag) { - pr_err("%s: Out of memory !\n", __func__); - return -ENOMEM; - } - } - #ifdef CONFIG_DEBUG_FS if (phb->dbgfs) { debugfs_create_file("err_injct_outbound", 0600, @@ -633,11 +623,10 @@ static void ioda_eeh_hub_diag_common(struct OpalIoP7IOCErrorData *data) static void ioda_eeh_hub_diag(struct pci_controller *hose) { struct pnv_phb *phb = hose->private_data; - struct OpalIoP7IOCErrorData *data; + struct OpalIoP7IOCErrorData *data = &phb->diag.hub_diag; long rc; - data = (struct OpalIoP7IOCErrorData *)ioda_eeh_hub_diag; - rc = opal_pci_get_hub_diag_data(phb->hub_id, data, PAGE_SIZE); + rc = opal_pci_get_hub_diag_data(phb->hub_id, data, sizeof(*data)); if (rc != OPAL_SUCCESS) { pr_warning("%s: Failed to get HUB#%llx diag-data (%ld)\n", __func__, phb->hub_id, rc); @@ -820,14 +809,15 @@ static void ioda_eeh_phb_diag(struct pci_controller *hose) struct OpalIoPhbErrorCommon *common; long rc; - common = (struct OpalIoPhbErrorCommon *)phb->diag.blob; - rc = opal_pci_get_phb_diag_data2(phb->opal_id, common, PAGE_SIZE); + rc = opal_pci_get_phb_diag_data2(phb->opal_id, phb->diag.blob, + PNV_PCI_DIAG_BUF_SIZE); if (rc != OPAL_SUCCESS) { pr_warning("%s: Failed to get diag-data for PHB#%x (%ld)\n", __func__, hose->global_number, rc); return; } + common = (struct OpalIoPhbErrorCommon *)phb->diag.blob; switch (common->ioType) { case OPAL_PHB_ERROR_DATA_TYPE_P7IOC: ioda_eeh_p7ioc_phb_diag(hose, common); diff --git a/arch/powerpc/platforms/powernv/pci.h b/arch/powerpc/platforms/powernv/pci.h index 911c24ef033e..1ed8d5f40f5a 100644 --- a/arch/powerpc/platforms/powernv/pci.h +++ b/arch/powerpc/platforms/powernv/pci.h @@ -172,11 +172,13 @@ struct pnv_phb { } ioda; }; - /* PHB status structure */ + /* PHB and hub status structure */ union { unsigned char blob[PNV_PCI_DIAG_BUF_SIZE]; struct OpalIoP7IOCPhbErrorData p7ioc; + struct OpalIoP7IOCErrorData hub_diag; } diag; + }; extern struct pci_ops pnv_pci_ops; diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index 1e1a03d2d19f..e9f312532526 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -135,7 +135,6 @@ config S390 select HAVE_SYSCALL_TRACEPOINTS select HAVE_UID16 if 32BIT select HAVE_VIRT_CPU_ACCOUNTING - select INIT_ALL_POSSIBLE select KTIME_SCALAR if 32BIT select MODULES_USE_ELF_RELA select OLD_SIGACTION diff --git a/arch/s390/include/asm/smp.h b/arch/s390/include/asm/smp.h index ac9bed8e103f..160779394096 100644 --- a/arch/s390/include/asm/smp.h +++ b/arch/s390/include/asm/smp.h @@ -31,6 +31,7 @@ extern void smp_yield(void); extern void smp_stop_cpu(void); extern void smp_cpu_set_polarization(int cpu, int val); extern int smp_cpu_get_polarization(int cpu); +extern void smp_fill_possible_mask(void); #else /* CONFIG_SMP */ @@ -50,6 +51,7 @@ static inline int smp_vcpu_scheduled(int cpu) { return 1; } static inline void smp_yield_cpu(int cpu) { } static inline void smp_yield(void) { } static inline void smp_stop_cpu(void) { } +static inline void smp_fill_possible_mask(void) { } #endif /* CONFIG_SMP */ diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c index 4444875266ee..0f3d44ecbfc6 100644 --- a/arch/s390/kernel/setup.c +++ b/arch/s390/kernel/setup.c @@ -1023,6 +1023,7 @@ void __init setup_arch(char **cmdline_p) setup_vmcoreinfo(); setup_lowcore(); + smp_fill_possible_mask(); cpu_init(); s390_init_cpu_topology(); diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c index dc4a53465060..958704798f4a 100644 --- a/arch/s390/kernel/smp.c +++ b/arch/s390/kernel/smp.c @@ -721,18 +721,14 @@ int __cpu_up(unsigned int cpu, struct task_struct *tidle) return 0; } -static int __init setup_possible_cpus(char *s) -{ - int max, cpu; +static unsigned int setup_possible_cpus __initdata; - if (kstrtoint(s, 0, &max) < 0) - return 0; - init_cpu_possible(cpumask_of(0)); - for (cpu = 1; cpu < max && cpu < nr_cpu_ids; cpu++) - set_cpu_possible(cpu, true); +static int __init _setup_possible_cpus(char *s) +{ + get_option(&s, &setup_possible_cpus); return 0; } -early_param("possible_cpus", setup_possible_cpus); +early_param("possible_cpus", _setup_possible_cpus); #ifdef CONFIG_HOTPLUG_CPU @@ -775,6 +771,17 @@ void __noreturn cpu_die(void) #endif /* CONFIG_HOTPLUG_CPU */ +void __init smp_fill_possible_mask(void) +{ + unsigned int possible, cpu; + + possible = setup_possible_cpus; + if (!possible) + possible = MACHINE_IS_VM ? 64 : nr_cpu_ids; + for (cpu = 0; cpu < possible && cpu < nr_cpu_ids; cpu++) + set_cpu_possible(cpu, true); +} + void __init smp_prepare_cpus(unsigned int max_cpus) { /* request the 0x1201 emergency signal external interrupt */ diff --git a/arch/s390/pci/pci_event.c b/arch/s390/pci/pci_event.c index 800f064b0da7..069607209a30 100644 --- a/arch/s390/pci/pci_event.c +++ b/arch/s390/pci/pci_event.c @@ -75,6 +75,7 @@ void zpci_event_availability(void *data) if (!zdev || zdev->state == ZPCI_FN_STATE_CONFIGURED) break; zdev->state = ZPCI_FN_STATE_CONFIGURED; + zdev->fh = ccdf->fh; ret = zpci_enable_device(zdev); if (ret) break; @@ -101,6 +102,7 @@ void zpci_event_availability(void *data) if (pdev) pci_stop_and_remove_bus_device(pdev); + zdev->fh = ccdf->fh; zpci_disable_device(zdev); zdev->state = ZPCI_FN_STATE_STANDBY; break; diff --git a/arch/sh/kernel/sh_ksyms_32.c b/arch/sh/kernel/sh_ksyms_32.c index 2a0a596ebf67..d77f2f6c7ff0 100644 --- a/arch/sh/kernel/sh_ksyms_32.c +++ b/arch/sh/kernel/sh_ksyms_32.c @@ -20,6 +20,11 @@ EXPORT_SYMBOL(csum_partial_copy_generic); EXPORT_SYMBOL(copy_page); EXPORT_SYMBOL(__clear_user); EXPORT_SYMBOL(empty_zero_page); +#ifdef CONFIG_FLATMEM +/* need in pfn_valid macro */ +EXPORT_SYMBOL(min_low_pfn); +EXPORT_SYMBOL(max_low_pfn); +#endif #define DECLARE_EXPORT(name) \ extern void name(void);EXPORT_SYMBOL(name) diff --git a/arch/sparc/include/asm/uaccess_64.h b/arch/sparc/include/asm/uaccess_64.h index e562d3caee57..ad7e178337f1 100644 --- a/arch/sparc/include/asm/uaccess_64.h +++ b/arch/sparc/include/asm/uaccess_64.h @@ -262,8 +262,8 @@ extern unsigned long __must_check __clear_user(void __user *, unsigned long); extern __must_check long strlen_user(const char __user *str); extern __must_check long strnlen_user(const char __user *str, long n); -#define __copy_to_user_inatomic ___copy_to_user -#define __copy_from_user_inatomic ___copy_from_user +#define __copy_to_user_inatomic __copy_to_user +#define __copy_from_user_inatomic __copy_from_user struct pt_regs; extern unsigned long compute_effective_address(struct pt_regs *, diff --git a/arch/sparc/kernel/iommu.c b/arch/sparc/kernel/iommu.c index 070ed141aac7..76663b019eb5 100644 --- a/arch/sparc/kernel/iommu.c +++ b/arch/sparc/kernel/iommu.c @@ -854,7 +854,7 @@ int dma_supported(struct device *dev, u64 device_mask) return 1; #ifdef CONFIG_PCI - if (dev->bus == &pci_bus_type) + if (dev_is_pci(dev)) return pci64_dma_supported(to_pci_dev(dev), device_mask); #endif diff --git a/arch/sparc/kernel/ioport.c b/arch/sparc/kernel/ioport.c index 2096468de9b2..e7e215dfa866 100644 --- a/arch/sparc/kernel/ioport.c +++ b/arch/sparc/kernel/ioport.c @@ -666,10 +666,9 @@ EXPORT_SYMBOL(dma_ops); */ int dma_supported(struct device *dev, u64 mask) { -#ifdef CONFIG_PCI - if (dev->bus == &pci_bus_type) + if (dev_is_pci(dev)) return 1; -#endif + return 0; } EXPORT_SYMBOL(dma_supported); diff --git a/arch/sparc/kernel/kgdb_64.c b/arch/sparc/kernel/kgdb_64.c index 60b19f50c80a..b45fe3fb4d2c 100644 --- a/arch/sparc/kernel/kgdb_64.c +++ b/arch/sparc/kernel/kgdb_64.c @@ -6,6 +6,7 @@ #include <linux/kgdb.h> #include <linux/kdebug.h> #include <linux/ftrace.h> +#include <linux/context_tracking.h> #include <asm/cacheflush.h> #include <asm/kdebug.h> diff --git a/arch/sparc/kernel/smp_64.c b/arch/sparc/kernel/smp_64.c index b66a5338231e..b085311dcd0e 100644 --- a/arch/sparc/kernel/smp_64.c +++ b/arch/sparc/kernel/smp_64.c @@ -123,11 +123,12 @@ void smp_callin(void) rmb(); set_cpu_online(cpuid, true); - local_irq_enable(); /* idle thread is expected to have preempt disabled */ preempt_disable(); + local_irq_enable(); + cpu_startup_entry(CPUHP_ONLINE); } diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c index dec48bfaddb8..1673940cf9c3 100644 --- a/arch/x86/kvm/lapic.c +++ b/arch/x86/kvm/lapic.c @@ -1350,6 +1350,10 @@ void kvm_lapic_set_base(struct kvm_vcpu *vcpu, u64 value) return; } + if (!kvm_vcpu_is_bsp(apic->vcpu)) + value &= ~MSR_IA32_APICBASE_BSP; + vcpu->arch.apic_base = value; + /* update jump label if enable bit changes */ if ((vcpu->arch.apic_base ^ value) & MSR_IA32_APICBASE_ENABLE) { if (value & MSR_IA32_APICBASE_ENABLE) @@ -1359,10 +1363,6 @@ void kvm_lapic_set_base(struct kvm_vcpu *vcpu, u64 value) recalculate_apic_map(vcpu->kvm); } - if (!kvm_vcpu_is_bsp(apic->vcpu)) - value &= ~MSR_IA32_APICBASE_BSP; - - vcpu->arch.apic_base = value; if ((old_value ^ value) & X2APIC_ENABLE) { if (value & X2APIC_ENABLE) { u32 id = kvm_apic_id(apic); diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index b2fe1c252f35..da7837e1349d 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -8283,8 +8283,7 @@ static void load_vmcs12_host_state(struct kvm_vcpu *vcpu, vcpu->arch.cr4_guest_owned_bits = ~vmcs_readl(CR4_GUEST_HOST_MASK); kvm_set_cr4(vcpu, vmcs12->host_cr4); - if (nested_cpu_has_ept(vmcs12)) - nested_ept_uninit_mmu_context(vcpu); + nested_ept_uninit_mmu_context(vcpu); kvm_set_cr3(vcpu, vmcs12->host_cr3); kvm_mmu_reset_context(vcpu); diff --git a/drivers/acpi/ac.c b/drivers/acpi/ac.c index 8711e3797165..3c2e4aa529c4 100644 --- a/drivers/acpi/ac.c +++ b/drivers/acpi/ac.c @@ -207,7 +207,7 @@ static int acpi_ac_probe(struct platform_device *pdev) goto end; result = acpi_install_notify_handler(ACPI_HANDLE(&pdev->dev), - ACPI_DEVICE_NOTIFY, acpi_ac_notify_handler, ac); + ACPI_ALL_NOTIFY, acpi_ac_notify_handler, ac); if (result) { power_supply_unregister(&ac->charger); goto end; @@ -255,7 +255,7 @@ static int acpi_ac_remove(struct platform_device *pdev) return -EINVAL; acpi_remove_notify_handler(ACPI_HANDLE(&pdev->dev), - ACPI_DEVICE_NOTIFY, acpi_ac_notify_handler); + ACPI_ALL_NOTIFY, acpi_ac_notify_handler); ac = platform_get_drvdata(pdev); if (ac->charger.dev) diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c index fbf1aceda8b8..5876a49dfd38 100644 --- a/drivers/acpi/battery.c +++ b/drivers/acpi/battery.c @@ -62,6 +62,7 @@ MODULE_AUTHOR("Alexey Starikovskiy <astarikovskiy@suse.de>"); MODULE_DESCRIPTION("ACPI Battery Driver"); MODULE_LICENSE("GPL"); +static int battery_bix_broken_package; static unsigned int cache_time = 1000; module_param(cache_time, uint, 0644); MODULE_PARM_DESC(cache_time, "cache time in milliseconds"); @@ -416,7 +417,12 @@ static int acpi_battery_get_info(struct acpi_battery *battery) ACPI_EXCEPTION((AE_INFO, status, "Evaluating %s", name)); return -ENODEV; } - if (test_bit(ACPI_BATTERY_XINFO_PRESENT, &battery->flags)) + + if (battery_bix_broken_package) + result = extract_package(battery, buffer.pointer, + extended_info_offsets + 1, + ARRAY_SIZE(extended_info_offsets) - 1); + else if (test_bit(ACPI_BATTERY_XINFO_PRESENT, &battery->flags)) result = extract_package(battery, buffer.pointer, extended_info_offsets, ARRAY_SIZE(extended_info_offsets)); @@ -754,6 +760,17 @@ static int battery_notify(struct notifier_block *nb, return 0; } +static struct dmi_system_id bat_dmi_table[] = { + { + .ident = "NEC LZ750/LS", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "NEC"), + DMI_MATCH(DMI_PRODUCT_NAME, "PC-LZ750LS"), + }, + }, + {}, +}; + static int acpi_battery_add(struct acpi_device *device) { int result = 0; @@ -846,6 +863,9 @@ static void __init acpi_battery_init_async(void *unused, async_cookie_t cookie) { if (acpi_disabled) return; + + if (dmi_check_system(bat_dmi_table)) + battery_bix_broken_package = 1; acpi_bus_register_driver(&acpi_battery_driver); } diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index bba9b72e25f8..0710004055c8 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -156,6 +156,16 @@ int acpi_bus_get_private_data(acpi_handle handle, void **data) } EXPORT_SYMBOL(acpi_bus_get_private_data); +void acpi_bus_no_hotplug(acpi_handle handle) +{ + struct acpi_device *adev = NULL; + + acpi_bus_get_device(handle, &adev); + if (adev) + adev->flags.no_hotplug = true; +} +EXPORT_SYMBOL_GPL(acpi_bus_no_hotplug); + static void acpi_print_osc_error(acpi_handle handle, struct acpi_osc_context *context, char *error) { diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index c0ed4f273cf2..e3a92a6da39a 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -427,6 +427,9 @@ static const struct pci_device_id ahci_pci_tbl[] = { .driver_data = board_ahci_yes_fbs }, /* 88se9128 */ { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9125), .driver_data = board_ahci_yes_fbs }, /* 88se9125 */ + { PCI_DEVICE_SUB(PCI_VENDOR_ID_MARVELL_EXT, 0x9178, + PCI_VENDOR_ID_MARVELL_EXT, 0x9170), + .driver_data = board_ahci_yes_fbs }, /* 88se9170 */ { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x917a), .driver_data = board_ahci_yes_fbs }, /* 88se9172 */ { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9172), diff --git a/drivers/ata/sata_sis.c b/drivers/ata/sata_sis.c index fe3ca0989b14..1ad2f62d34b9 100644 --- a/drivers/ata/sata_sis.c +++ b/drivers/ata/sata_sis.c @@ -83,6 +83,10 @@ static struct pci_driver sis_pci_driver = { .id_table = sis_pci_tbl, .probe = sis_init_one, .remove = ata_pci_remove_one, +#ifdef CONFIG_PM + .suspend = ata_pci_device_suspend, + .resume = ata_pci_device_resume, +#endif }; static struct scsi_host_template sis_sht = { diff --git a/drivers/block/null_blk.c b/drivers/block/null_blk.c index a2e69d26266d..83a598ebb65a 100644 --- a/drivers/block/null_blk.c +++ b/drivers/block/null_blk.c @@ -425,10 +425,7 @@ static void null_del_dev(struct nullb *nullb) list_del_init(&nullb->list); del_gendisk(nullb->disk); - if (queue_mode == NULL_Q_MQ) - blk_mq_free_queue(nullb->q); - else - blk_cleanup_queue(nullb->q); + blk_cleanup_queue(nullb->q); put_disk(nullb->disk); kfree(nullb); } @@ -578,10 +575,7 @@ static int null_add_dev(void) disk = nullb->disk = alloc_disk_node(1, home_node); if (!disk) { queue_fail: - if (queue_mode == NULL_Q_MQ) - blk_mq_free_queue(nullb->q); - else - blk_cleanup_queue(nullb->q); + blk_cleanup_queue(nullb->q); cleanup_queues(nullb); err: kfree(nullb); diff --git a/drivers/bluetooth/ath3k.c b/drivers/bluetooth/ath3k.c index 6bfc1bb318f6..dceb85f8d9a8 100644 --- a/drivers/bluetooth/ath3k.c +++ b/drivers/bluetooth/ath3k.c @@ -87,6 +87,7 @@ static const struct usb_device_id ath3k_table[] = { { USB_DEVICE(0x0CF3, 0xE004) }, { USB_DEVICE(0x0CF3, 0xE005) }, { USB_DEVICE(0x0930, 0x0219) }, + { USB_DEVICE(0x0930, 0x0220) }, { USB_DEVICE(0x0489, 0xe057) }, { USB_DEVICE(0x13d3, 0x3393) }, { USB_DEVICE(0x0489, 0xe04e) }, @@ -129,6 +130,7 @@ static const struct usb_device_id ath3k_blist_tbl[] = { { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 }, + { USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 }, diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index c0ff34f2d2df..3980fd18f6ea 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -154,6 +154,7 @@ static const struct usb_device_id blacklist_table[] = { { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 }, + { USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 }, diff --git a/drivers/char/tpm/tpm_ppi.c b/drivers/char/tpm/tpm_ppi.c index 8e562dc65601..e1f3337a0cf9 100644 --- a/drivers/char/tpm/tpm_ppi.c +++ b/drivers/char/tpm/tpm_ppi.c @@ -27,15 +27,18 @@ static char *tpm_device_name = "TPM"; static acpi_status ppi_callback(acpi_handle handle, u32 level, void *context, void **return_value) { - acpi_status status; + acpi_status status = AE_OK; struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; - status = acpi_get_name(handle, ACPI_FULL_PATHNAME, &buffer); - if (strstr(buffer.pointer, context) != NULL) { - *return_value = handle; + + if (ACPI_SUCCESS(acpi_get_name(handle, ACPI_FULL_PATHNAME, &buffer))) { + if (strstr(buffer.pointer, context) != NULL) { + *return_value = handle; + status = AE_CTRL_TERMINATE; + } kfree(buffer.pointer); - return AE_CTRL_TERMINATE; } - return AE_OK; + + return status; } static inline void ppi_assign_params(union acpi_object params[4], diff --git a/drivers/clk/clk-divider.c b/drivers/clk/clk-divider.c index 8d3009e44fba..5543b7df8e16 100644 --- a/drivers/clk/clk-divider.c +++ b/drivers/clk/clk-divider.c @@ -87,7 +87,7 @@ static unsigned int _get_table_val(const struct clk_div_table *table, return 0; } -static unsigned int _get_val(struct clk_divider *divider, u8 div) +static unsigned int _get_val(struct clk_divider *divider, unsigned int div) { if (divider->flags & CLK_DIVIDER_ONE_BASED) return div; diff --git a/drivers/clk/samsung/clk-exynos-audss.c b/drivers/clk/samsung/clk-exynos-audss.c index 39b40aaede2b..68e515d093d8 100644 --- a/drivers/clk/samsung/clk-exynos-audss.c +++ b/drivers/clk/samsung/clk-exynos-audss.c @@ -26,17 +26,17 @@ static struct clk_onecell_data clk_data; #define ASS_CLK_DIV 0x4 #define ASS_CLK_GATE 0x8 +/* list of all parent clock list */ +static const char *mout_audss_p[] = { "fin_pll", "fout_epll" }; +static const char *mout_i2s_p[] = { "mout_audss", "cdclk0", "sclk_audio0" }; + +#ifdef CONFIG_PM_SLEEP static unsigned long reg_save[][2] = { {ASS_CLK_SRC, 0}, {ASS_CLK_DIV, 0}, {ASS_CLK_GATE, 0}, }; -/* list of all parent clock list */ -static const char *mout_audss_p[] = { "fin_pll", "fout_epll" }; -static const char *mout_i2s_p[] = { "mout_audss", "cdclk0", "sclk_audio0" }; - -#ifdef CONFIG_PM_SLEEP static int exynos_audss_clk_suspend(void) { int i; diff --git a/drivers/clk/samsung/clk-exynos4.c b/drivers/clk/samsung/clk-exynos4.c index ad5ff50c5f28..1a7c1b929c69 100644 --- a/drivers/clk/samsung/clk-exynos4.c +++ b/drivers/clk/samsung/clk-exynos4.c @@ -39,7 +39,7 @@ #define SRC_TOP1 0xc214 #define SRC_CAM 0xc220 #define SRC_TV 0xc224 -#define SRC_MFC 0xcc28 +#define SRC_MFC 0xc228 #define SRC_G3D 0xc22c #define E4210_SRC_IMAGE 0xc230 #define SRC_LCD0 0xc234 diff --git a/drivers/clk/samsung/clk-exynos5250.c b/drivers/clk/samsung/clk-exynos5250.c index adf32343c9f9..e52359cf9b6f 100644 --- a/drivers/clk/samsung/clk-exynos5250.c +++ b/drivers/clk/samsung/clk-exynos5250.c @@ -25,6 +25,7 @@ #define MPLL_LOCK 0x4000 #define MPLL_CON0 0x4100 #define SRC_CORE1 0x4204 +#define GATE_IP_ACP 0x8800 #define CPLL_LOCK 0x10020 #define EPLL_LOCK 0x10030 #define VPLL_LOCK 0x10040 @@ -75,7 +76,6 @@ #define SRC_CDREX 0x20200 #define PLL_DIV2_SEL 0x20a24 #define GATE_IP_DISP1 0x10928 -#define GATE_IP_ACP 0x10000 /* list of PLLs to be registered */ enum exynos5250_plls { @@ -120,7 +120,8 @@ enum exynos5250_clks { spi2, i2s1, i2s2, pcm1, pcm2, pwm, spdif, ac97, hsi2c0, hsi2c1, hsi2c2, hsi2c3, chipid, sysreg, pmu, cmu_top, cmu_core, cmu_mem, tzpc0, tzpc1, tzpc2, tzpc3, tzpc4, tzpc5, tzpc6, tzpc7, tzpc8, tzpc9, hdmi_cec, mct, - wdt, rtc, tmu, fimd1, mie1, dsim0, dp, mixer, hdmi, g2d, + wdt, rtc, tmu, fimd1, mie1, dsim0, dp, mixer, hdmi, g2d, mdma0, + smmu_mdma0, /* mux clocks */ mout_hdmi = 1024, @@ -354,8 +355,8 @@ static struct samsung_gate_clock exynos5250_gate_clks[] __initdata = { GATE(smmu_gscl2, "smmu_gscl2", "aclk266", GATE_IP_GSCL, 9, 0, 0), GATE(smmu_gscl3, "smmu_gscl3", "aclk266", GATE_IP_GSCL, 10, 0, 0), GATE(mfc, "mfc", "aclk333", GATE_IP_MFC, 0, 0, 0), - GATE(smmu_mfcl, "smmu_mfcl", "aclk333", GATE_IP_MFC, 1, 0, 0), - GATE(smmu_mfcr, "smmu_mfcr", "aclk333", GATE_IP_MFC, 2, 0, 0), + GATE(smmu_mfcl, "smmu_mfcl", "aclk333", GATE_IP_MFC, 2, 0, 0), + GATE(smmu_mfcr, "smmu_mfcr", "aclk333", GATE_IP_MFC, 1, 0, 0), GATE(rotator, "rotator", "aclk266", GATE_IP_GEN, 1, 0, 0), GATE(jpeg, "jpeg", "aclk166", GATE_IP_GEN, 2, 0, 0), GATE(mdma1, "mdma1", "aclk266", GATE_IP_GEN, 4, 0, 0), @@ -406,7 +407,8 @@ static struct samsung_gate_clock exynos5250_gate_clks[] __initdata = { GATE(hsi2c2, "hsi2c2", "aclk66", GATE_IP_PERIC, 30, 0, 0), GATE(hsi2c3, "hsi2c3", "aclk66", GATE_IP_PERIC, 31, 0, 0), GATE(chipid, "chipid", "aclk66", GATE_IP_PERIS, 0, 0, 0), - GATE(sysreg, "sysreg", "aclk66", GATE_IP_PERIS, 1, 0, 0), + GATE(sysreg, "sysreg", "aclk66", + GATE_IP_PERIS, 1, CLK_IGNORE_UNUSED, 0), GATE(pmu, "pmu", "aclk66", GATE_IP_PERIS, 2, CLK_IGNORE_UNUSED, 0), GATE(tzpc0, "tzpc0", "aclk66", GATE_IP_PERIS, 6, 0, 0), GATE(tzpc1, "tzpc1", "aclk66", GATE_IP_PERIS, 7, 0, 0), @@ -492,6 +494,8 @@ static struct samsung_gate_clock exynos5250_gate_clks[] __initdata = { GATE(mixer, "mixer", "mout_aclk200_disp1", GATE_IP_DISP1, 5, 0, 0), GATE(hdmi, "hdmi", "mout_aclk200_disp1", GATE_IP_DISP1, 6, 0, 0), GATE(g2d, "g2d", "aclk200", GATE_IP_ACP, 3, 0, 0), + GATE(mdma0, "mdma0", "aclk266", GATE_IP_ACP, 1, 0, 0), + GATE(smmu_mdma0, "smmu_mdma0", "aclk266", GATE_IP_ACP, 5, 0, 0), }; static struct samsung_pll_rate_table vpll_24mhz_tbl[] __initdata = { diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index 16d7b4ac94be..8d19f7c06010 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -839,9 +839,6 @@ static void cpufreq_init_policy(struct cpufreq_policy *policy) /* set default policy */ ret = cpufreq_set_policy(policy, &new_policy); - policy->user_policy.policy = policy->policy; - policy->user_policy.governor = policy->governor; - if (ret) { pr_debug("setting policy failed\n"); if (cpufreq_driver->exit) @@ -1016,15 +1013,17 @@ static int __cpufreq_add_dev(struct device *dev, struct subsys_interface *sif, read_unlock_irqrestore(&cpufreq_driver_lock, flags); #endif - if (frozen) - /* Restore the saved policy when doing light-weight init */ - policy = cpufreq_policy_restore(cpu); - else + /* + * Restore the saved policy when doing light-weight init and fall back + * to the full init if that fails. + */ + policy = frozen ? cpufreq_policy_restore(cpu) : NULL; + if (!policy) { + frozen = false; policy = cpufreq_policy_alloc(); - - if (!policy) - goto nomem_out; - + if (!policy) + goto nomem_out; + } /* * In the resume path, since we restore a saved policy, the assignment @@ -1069,8 +1068,10 @@ static int __cpufreq_add_dev(struct device *dev, struct subsys_interface *sif, */ cpumask_and(policy->cpus, policy->cpus, cpu_online_mask); - policy->user_policy.min = policy->min; - policy->user_policy.max = policy->max; + if (!frozen) { + policy->user_policy.min = policy->min; + policy->user_policy.max = policy->max; + } blocking_notifier_call_chain(&cpufreq_policy_notifier_list, CPUFREQ_START, policy); @@ -1101,6 +1102,11 @@ static int __cpufreq_add_dev(struct device *dev, struct subsys_interface *sif, cpufreq_init_policy(policy); + if (!frozen) { + policy->user_policy.policy = policy->policy; + policy->user_policy.governor = policy->governor; + } + kobject_uevent(&policy->kobj, KOBJ_ADD); up_read(&cpufreq_rwsem); @@ -1118,8 +1124,11 @@ err_get_freq: if (cpufreq_driver->exit) cpufreq_driver->exit(policy); err_set_policy_cpu: - if (frozen) + if (frozen) { + /* Do not leave stale fallback data behind. */ + per_cpu(cpufreq_cpu_data_fallback, cpu) = NULL; cpufreq_policy_put_kobj(policy); + } cpufreq_policy_free(policy); nomem_out: diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index 5f1cbae36961..d51f17ed691e 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -581,7 +581,8 @@ static void intel_pstate_timer_func(unsigned long __data) } #define ICPU(model, policy) \ - { X86_VENDOR_INTEL, 6, model, X86_FEATURE_ANY, (unsigned long)&policy } + { X86_VENDOR_INTEL, 6, model, X86_FEATURE_APERFMPERF,\ + (unsigned long)&policy } static const struct x86_cpu_id intel_pstate_cpu_ids[] = { ICPU(0x2a, core_params), @@ -614,6 +615,11 @@ static int intel_pstate_init_cpu(unsigned int cpunum) cpu = all_cpu_data[cpunum]; intel_pstate_get_cpu_pstates(cpu); + if (!cpu->pstate.current_pstate) { + all_cpu_data[cpunum] = NULL; + kfree(cpu); + return -ENODATA; + } cpu->cpu = cpunum; diff --git a/drivers/cpuidle/cpuidle-calxeda.c b/drivers/cpuidle/cpuidle-calxeda.c index 36795639df0d..6e51114057d0 100644 --- a/drivers/cpuidle/cpuidle-calxeda.c +++ b/drivers/cpuidle/cpuidle-calxeda.c @@ -65,7 +65,7 @@ static struct cpuidle_driver calxeda_idle_driver = { .state_count = 2, }; -static int __init calxeda_cpuidle_probe(struct platform_device *pdev) +static int calxeda_cpuidle_probe(struct platform_device *pdev) { return cpuidle_register(&calxeda_idle_driver, NULL); } diff --git a/drivers/crypto/ixp4xx_crypto.c b/drivers/crypto/ixp4xx_crypto.c index 9dd6e01eac33..f757a0f428bd 100644 --- a/drivers/crypto/ixp4xx_crypto.c +++ b/drivers/crypto/ixp4xx_crypto.c @@ -1410,14 +1410,12 @@ static const struct platform_device_info ixp_dev_info __initdata = { static int __init ixp_module_init(void) { int num = ARRAY_SIZE(ixp4xx_algos); - int i, err ; + int i, err; pdev = platform_device_register_full(&ixp_dev_info); if (IS_ERR(pdev)) return PTR_ERR(pdev); - dev = &pdev->dev; - spin_lock_init(&desc_lock); spin_lock_init(&emerg_lock); diff --git a/drivers/dma/ioat/dma.c b/drivers/dma/ioat/dma.c index 1a49c777607c..87529181efcc 100644 --- a/drivers/dma/ioat/dma.c +++ b/drivers/dma/ioat/dma.c @@ -817,7 +817,15 @@ int ioat_dma_self_test(struct ioatdma_device *device) } dma_src = dma_map_single(dev, src, IOAT_TEST_SIZE, DMA_TO_DEVICE); + if (dma_mapping_error(dev, dma_src)) { + dev_err(dev, "mapping src buffer failed\n"); + goto free_resources; + } dma_dest = dma_map_single(dev, dest, IOAT_TEST_SIZE, DMA_FROM_DEVICE); + if (dma_mapping_error(dev, dma_dest)) { + dev_err(dev, "mapping dest buffer failed\n"); + goto unmap_src; + } flags = DMA_PREP_INTERRUPT; tx = device->common.device_prep_dma_memcpy(dma_chan, dma_dest, dma_src, IOAT_TEST_SIZE, flags); @@ -855,8 +863,9 @@ int ioat_dma_self_test(struct ioatdma_device *device) } unmap_dma: - dma_unmap_single(dev, dma_src, IOAT_TEST_SIZE, DMA_TO_DEVICE); dma_unmap_single(dev, dma_dest, IOAT_TEST_SIZE, DMA_FROM_DEVICE); +unmap_src: + dma_unmap_single(dev, dma_src, IOAT_TEST_SIZE, DMA_TO_DEVICE); free_resources: dma->device_free_chan_resources(dma_chan); out: diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c index c79dd2b1f70e..d3c3b5b15824 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c @@ -906,14 +906,12 @@ static void gen8_ggtt_insert_entries(struct i915_address_space *vm, WARN_ON(readq(>t_entries[i-1]) != gen8_pte_encode(addr, level, true)); -#if 0 /* TODO: Still needed on GEN8? */ /* This next bit makes the above posting read even more important. We * want to flush the TLBs only after we're certain all the PTE updates * have finished. */ I915_WRITE(GFX_FLSH_CNTL_GEN6, GFX_FLSH_CNTL_EN); POSTING_READ(GFX_FLSH_CNTL_GEN6); -#endif } /* diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 54e82a80cf50..769b864465a9 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -10541,11 +10541,20 @@ static struct intel_quirk intel_quirks[] = { /* Sony Vaio Y cannot use SSC on LVDS */ { 0x0046, 0x104d, 0x9076, quirk_ssc_force_disable }, - /* - * All GM45 Acer (and its brands eMachines and Packard Bell) laptops - * seem to use inverted backlight PWM. - */ - { 0x2a42, 0x1025, PCI_ANY_ID, quirk_invert_brightness }, + /* Acer Aspire 5734Z must invert backlight brightness */ + { 0x2a42, 0x1025, 0x0459, quirk_invert_brightness }, + + /* Acer/eMachines G725 */ + { 0x2a42, 0x1025, 0x0210, quirk_invert_brightness }, + + /* Acer/eMachines e725 */ + { 0x2a42, 0x1025, 0x0212, quirk_invert_brightness }, + + /* Acer/Packard Bell NCL20 */ + { 0x2a42, 0x1025, 0x034b, quirk_invert_brightness }, + + /* Acer Aspire 4736Z */ + { 0x2a42, 0x1025, 0x0260, quirk_invert_brightness }, /* Dell XPS13 HD Sandy Bridge */ { 0x0116, 0x1028, 0x052e, quirk_no_pcm_pwm_enable }, diff --git a/drivers/gpu/drm/nouveau/core/core/subdev.c b/drivers/gpu/drm/nouveau/core/core/subdev.c index 48f06378d3f9..2ea5568b6cf5 100644 --- a/drivers/gpu/drm/nouveau/core/core/subdev.c +++ b/drivers/gpu/drm/nouveau/core/core/subdev.c @@ -104,11 +104,8 @@ nouveau_subdev_create_(struct nouveau_object *parent, if (parent) { struct nouveau_device *device = nv_device(parent); - int subidx = nv_hclass(subdev) & 0xff; - subdev->debug = nouveau_dbgopt(device->dbgopt, subname); subdev->mmio = nv_subdev(device)->mmio; - device->subdev[subidx] = *pobject; } return 0; diff --git a/drivers/gpu/drm/nouveau/core/engine/device/base.c b/drivers/gpu/drm/nouveau/core/engine/device/base.c index 9135b25a29d0..dd01c6c435d6 100644 --- a/drivers/gpu/drm/nouveau/core/engine/device/base.c +++ b/drivers/gpu/drm/nouveau/core/engine/device/base.c @@ -268,6 +268,8 @@ nouveau_devobj_ctor(struct nouveau_object *parent, if (ret) return ret; + device->subdev[i] = devobj->subdev[i]; + /* note: can't init *any* subdevs until devinit has been run * due to not knowing exactly what the vbios init tables will * mess with. devinit also can't be run until all of its diff --git a/drivers/gpu/drm/nouveau/core/engine/device/nvc0.c b/drivers/gpu/drm/nouveau/core/engine/device/nvc0.c index 8d06eef2b9ee..dbc5e33de94f 100644 --- a/drivers/gpu/drm/nouveau/core/engine/device/nvc0.c +++ b/drivers/gpu/drm/nouveau/core/engine/device/nvc0.c @@ -161,7 +161,7 @@ nvc0_identify(struct nouveau_device *device) device->oclass[NVDEV_SUBDEV_THERM ] = &nva3_therm_oclass; device->oclass[NVDEV_SUBDEV_MXM ] = &nv50_mxm_oclass; device->oclass[NVDEV_SUBDEV_DEVINIT] = &nvc0_devinit_oclass; - device->oclass[NVDEV_SUBDEV_MC ] = nvc3_mc_oclass; + device->oclass[NVDEV_SUBDEV_MC ] = nvc0_mc_oclass; device->oclass[NVDEV_SUBDEV_BUS ] = nvc0_bus_oclass; device->oclass[NVDEV_SUBDEV_TIMER ] = &nv04_timer_oclass; device->oclass[NVDEV_SUBDEV_FB ] = nvc0_fb_oclass; diff --git a/drivers/gpu/drm/nouveau/core/engine/graph/nvc0.c b/drivers/gpu/drm/nouveau/core/engine/graph/nvc0.c index 434bb4b0fa2e..5c8a63dc506a 100644 --- a/drivers/gpu/drm/nouveau/core/engine/graph/nvc0.c +++ b/drivers/gpu/drm/nouveau/core/engine/graph/nvc0.c @@ -334,7 +334,7 @@ nvc0_graph_mthd(struct nvc0_graph_priv *priv, struct nvc0_graph_mthd *mthds) while ((mthd = &mthds[i++]) && (init = mthd->init)) { u32 addr = 0x80000000 | mthd->oclass; for (data = 0; init->count; init++) { - if (data != init->data) { + if (init == mthd->init || data != init->data) { nv_wr32(priv, 0x40448c, init->data); data = init->data; } diff --git a/drivers/gpu/drm/nouveau/core/include/subdev/fb.h b/drivers/gpu/drm/nouveau/core/include/subdev/fb.h index 8541aa382ff2..d89dbdf39b0d 100644 --- a/drivers/gpu/drm/nouveau/core/include/subdev/fb.h +++ b/drivers/gpu/drm/nouveau/core/include/subdev/fb.h @@ -75,6 +75,11 @@ struct nouveau_fb { static inline struct nouveau_fb * nouveau_fb(void *obj) { + /* fbram uses this before device subdev pointer is valid */ + if (nv_iclass(obj, NV_SUBDEV_CLASS) && + nv_subidx(obj) == NVDEV_SUBDEV_FB) + return obj; + return (void *)nv_device(obj)->subdev[NVDEV_SUBDEV_FB]; } diff --git a/drivers/gpu/drm/nouveau/core/subdev/bios/init.c b/drivers/gpu/drm/nouveau/core/subdev/bios/init.c index 420908cb82b6..df1b1b423093 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/bios/init.c +++ b/drivers/gpu/drm/nouveau/core/subdev/bios/init.c @@ -365,13 +365,13 @@ static u16 init_script(struct nouveau_bios *bios, int index) { struct nvbios_init init = { .bios = bios }; - u16 data; + u16 bmp_ver = bmp_version(bios), data; - if (bmp_version(bios) && bmp_version(bios) < 0x0510) { - if (index > 1) + if (bmp_ver && bmp_ver < 0x0510) { + if (index > 1 || bmp_ver < 0x0100) return 0x0000; - data = bios->bmp_offset + (bios->version.major < 2 ? 14 : 18); + data = bios->bmp_offset + (bmp_ver < 0x0200 ? 14 : 18); return nv_ro16(bios, data + (index * 2)); } @@ -1294,7 +1294,11 @@ init_jump(struct nvbios_init *init) u16 offset = nv_ro16(bios, init->offset + 1); trace("JUMP\t0x%04x\n", offset); - init->offset = offset; + + if (init_exec(init)) + init->offset = offset; + else + init->offset += 3; } /** diff --git a/drivers/gpu/drm/nouveau/nouveau_abi16.c b/drivers/gpu/drm/nouveau/nouveau_abi16.c index 6828d81ed7b9..900fae01793e 100644 --- a/drivers/gpu/drm/nouveau/nouveau_abi16.c +++ b/drivers/gpu/drm/nouveau/nouveau_abi16.c @@ -447,6 +447,8 @@ nouveau_abi16_ioctl_notifierobj_alloc(ABI16_IOCTL_ARGS) if (ret) goto done; + info->offset = ntfy->node->offset; + done: if (ret) nouveau_abi16_ntfy_fini(chan, ntfy); diff --git a/drivers/gpu/drm/nouveau/nouveau_acpi.c b/drivers/gpu/drm/nouveau/nouveau_acpi.c index 95c740454049..ba0183fb84f3 100644 --- a/drivers/gpu/drm/nouveau/nouveau_acpi.c +++ b/drivers/gpu/drm/nouveau/nouveau_acpi.c @@ -51,6 +51,7 @@ static struct nouveau_dsm_priv { bool dsm_detected; bool optimus_detected; acpi_handle dhandle; + acpi_handle other_handle; acpi_handle rom_handle; } nouveau_dsm_priv; @@ -260,9 +261,10 @@ static int nouveau_dsm_pci_probe(struct pci_dev *pdev) if (!dhandle) return false; - if (!acpi_has_method(dhandle, "_DSM")) + if (!acpi_has_method(dhandle, "_DSM")) { + nouveau_dsm_priv.other_handle = dhandle; return false; - + } if (nouveau_test_dsm(dhandle, nouveau_dsm, NOUVEAU_DSM_POWER)) retval |= NOUVEAU_DSM_HAS_MUX; @@ -338,6 +340,16 @@ static bool nouveau_dsm_detect(void) printk(KERN_INFO "VGA switcheroo: detected DSM switching method %s handle\n", acpi_method_name); nouveau_dsm_priv.dsm_detected = true; + /* + * On some systems hotplug events are generated for the device + * being switched off when _DSM is executed. They cause ACPI + * hotplug to trigger and attempt to remove the device from + * the system, which causes it to break down. Prevent that from + * happening by setting the no_hotplug flag for the involved + * ACPI device objects. + */ + acpi_bus_no_hotplug(nouveau_dsm_priv.dhandle); + acpi_bus_no_hotplug(nouveau_dsm_priv.other_handle); ret = true; } diff --git a/drivers/gpu/drm/nouveau/nouveau_display.c b/drivers/gpu/drm/nouveau/nouveau_display.c index 29c3efdfc7dd..25ea82f8def3 100644 --- a/drivers/gpu/drm/nouveau/nouveau_display.c +++ b/drivers/gpu/drm/nouveau/nouveau_display.c @@ -610,7 +610,7 @@ nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb, ret = nouveau_fence_sync(fence, chan); nouveau_fence_unref(&fence); if (ret) - return ret; + goto fail_free; if (new_bo != old_bo) { ret = nouveau_bo_pin(new_bo, TTM_PL_FLAG_VRAM); diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c index b1970596a782..0b9621c9aeea 100644 --- a/drivers/gpu/drm/radeon/atombios_crtc.c +++ b/drivers/gpu/drm/radeon/atombios_crtc.c @@ -1143,31 +1143,53 @@ static int dce4_crtc_do_set_base(struct drm_crtc *crtc, } if (tiling_flags & RADEON_TILING_MACRO) { - if (rdev->family >= CHIP_BONAIRE) - tmp = rdev->config.cik.tile_config; - else if (rdev->family >= CHIP_TAHITI) - tmp = rdev->config.si.tile_config; - else if (rdev->family >= CHIP_CAYMAN) - tmp = rdev->config.cayman.tile_config; - else - tmp = rdev->config.evergreen.tile_config; + evergreen_tiling_fields(tiling_flags, &bankw, &bankh, &mtaspect, &tile_split); - switch ((tmp & 0xf0) >> 4) { - case 0: /* 4 banks */ - fb_format |= EVERGREEN_GRPH_NUM_BANKS(EVERGREEN_ADDR_SURF_4_BANK); - break; - case 1: /* 8 banks */ - default: - fb_format |= EVERGREEN_GRPH_NUM_BANKS(EVERGREEN_ADDR_SURF_8_BANK); - break; - case 2: /* 16 banks */ - fb_format |= EVERGREEN_GRPH_NUM_BANKS(EVERGREEN_ADDR_SURF_16_BANK); - break; + /* Set NUM_BANKS. */ + if (rdev->family >= CHIP_BONAIRE) { + unsigned tileb, index, num_banks, tile_split_bytes; + + /* Calculate the macrotile mode index. */ + tile_split_bytes = 64 << tile_split; + tileb = 8 * 8 * target_fb->bits_per_pixel / 8; + tileb = min(tile_split_bytes, tileb); + + for (index = 0; tileb > 64; index++) { + tileb >>= 1; + } + + if (index >= 16) { + DRM_ERROR("Wrong screen bpp (%u) or tile split (%u)\n", + target_fb->bits_per_pixel, tile_split); + return -EINVAL; + } + + num_banks = (rdev->config.cik.macrotile_mode_array[index] >> 6) & 0x3; + fb_format |= EVERGREEN_GRPH_NUM_BANKS(num_banks); + } else { + /* SI and older. */ + if (rdev->family >= CHIP_TAHITI) + tmp = rdev->config.si.tile_config; + else if (rdev->family >= CHIP_CAYMAN) + tmp = rdev->config.cayman.tile_config; + else + tmp = rdev->config.evergreen.tile_config; + + switch ((tmp & 0xf0) >> 4) { + case 0: /* 4 banks */ + fb_format |= EVERGREEN_GRPH_NUM_BANKS(EVERGREEN_ADDR_SURF_4_BANK); + break; + case 1: /* 8 banks */ + default: + fb_format |= EVERGREEN_GRPH_NUM_BANKS(EVERGREEN_ADDR_SURF_8_BANK); + break; + case 2: /* 16 banks */ + fb_format |= EVERGREEN_GRPH_NUM_BANKS(EVERGREEN_ADDR_SURF_16_BANK); + break; + } } fb_format |= EVERGREEN_GRPH_ARRAY_MODE(EVERGREEN_GRPH_ARRAY_2D_TILED_THIN1); - - evergreen_tiling_fields(tiling_flags, &bankw, &bankh, &mtaspect, &tile_split); fb_format |= EVERGREEN_GRPH_TILE_SPLIT(tile_split); fb_format |= EVERGREEN_GRPH_BANK_WIDTH(bankw); fb_format |= EVERGREEN_GRPH_BANK_HEIGHT(bankh); @@ -1180,19 +1202,12 @@ static int dce4_crtc_do_set_base(struct drm_crtc *crtc, fb_format |= EVERGREEN_GRPH_ARRAY_MODE(EVERGREEN_GRPH_ARRAY_1D_TILED_THIN1); if (rdev->family >= CHIP_BONAIRE) { - u32 num_pipe_configs = rdev->config.cik.max_tile_pipes; - u32 num_rb = rdev->config.cik.max_backends_per_se; - if (num_pipe_configs > 8) - num_pipe_configs = 8; - if (num_pipe_configs == 8) - fb_format |= CIK_GRPH_PIPE_CONFIG(CIK_ADDR_SURF_P8_32x32_16x16); - else if (num_pipe_configs == 4) { - if (num_rb == 4) - fb_format |= CIK_GRPH_PIPE_CONFIG(CIK_ADDR_SURF_P4_16x16); - else if (num_rb < 4) - fb_format |= CIK_GRPH_PIPE_CONFIG(CIK_ADDR_SURF_P4_8x16); - } else if (num_pipe_configs == 2) - fb_format |= CIK_GRPH_PIPE_CONFIG(CIK_ADDR_SURF_P2); + /* Read the pipe config from the 2D TILED SCANOUT mode. + * It should be the same for the other modes too, but not all + * modes set the pipe config field. */ + u32 pipe_config = (rdev->config.cik.tile_mode_array[10] >> 6) & 0x1f; + + fb_format |= CIK_GRPH_PIPE_CONFIG(pipe_config); } else if ((rdev->family == CHIP_TAHITI) || (rdev->family == CHIP_PITCAIRN)) fb_format |= SI_GRPH_PIPE_CONFIG(SI_ADDR_SURF_P8_32x32_8x16); diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c index b43a3a3c9067..e950fabd7f5e 100644 --- a/drivers/gpu/drm/radeon/cik.c +++ b/drivers/gpu/drm/radeon/cik.c @@ -3057,7 +3057,7 @@ static u32 cik_create_bitmask(u32 bit_width) * Returns the disabled RB bitmask. */ static u32 cik_get_rb_disabled(struct radeon_device *rdev, - u32 max_rb_num, u32 se_num, + u32 max_rb_num_per_se, u32 sh_per_se) { u32 data, mask; @@ -3071,7 +3071,7 @@ static u32 cik_get_rb_disabled(struct radeon_device *rdev, data >>= BACKEND_DISABLE_SHIFT; - mask = cik_create_bitmask(max_rb_num / se_num / sh_per_se); + mask = cik_create_bitmask(max_rb_num_per_se / sh_per_se); return data & mask; } @@ -3088,7 +3088,7 @@ static u32 cik_get_rb_disabled(struct radeon_device *rdev, */ static void cik_setup_rb(struct radeon_device *rdev, u32 se_num, u32 sh_per_se, - u32 max_rb_num) + u32 max_rb_num_per_se) { int i, j; u32 data, mask; @@ -3098,7 +3098,7 @@ static void cik_setup_rb(struct radeon_device *rdev, for (i = 0; i < se_num; i++) { for (j = 0; j < sh_per_se; j++) { cik_select_se_sh(rdev, i, j); - data = cik_get_rb_disabled(rdev, max_rb_num, se_num, sh_per_se); + data = cik_get_rb_disabled(rdev, max_rb_num_per_se, sh_per_se); if (rdev->family == CHIP_HAWAII) disabled_rbs |= data << ((i * sh_per_se + j) * HAWAII_RB_BITMAP_WIDTH_PER_SH); else @@ -3108,12 +3108,14 @@ static void cik_setup_rb(struct radeon_device *rdev, cik_select_se_sh(rdev, 0xffffffff, 0xffffffff); mask = 1; - for (i = 0; i < max_rb_num; i++) { + for (i = 0; i < max_rb_num_per_se * se_num; i++) { if (!(disabled_rbs & mask)) enabled_rbs |= mask; mask <<= 1; } + rdev->config.cik.backend_enable_mask = enabled_rbs; + for (i = 0; i < se_num; i++) { cik_select_se_sh(rdev, i, 0xffffffff); data = 0; diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h index b1f990d0eaa1..45e1f447bc79 100644 --- a/drivers/gpu/drm/radeon/radeon.h +++ b/drivers/gpu/drm/radeon/radeon.h @@ -1940,7 +1940,7 @@ struct si_asic { unsigned sc_earlyz_tile_fifo_size; unsigned num_tile_pipes; - unsigned num_backends_per_se; + unsigned backend_enable_mask; unsigned backend_disable_mask_per_asic; unsigned backend_map; unsigned num_texture_channel_caches; @@ -1970,7 +1970,7 @@ struct cik_asic { unsigned sc_earlyz_tile_fifo_size; unsigned num_tile_pipes; - unsigned num_backends_per_se; + unsigned backend_enable_mask; unsigned backend_disable_mask_per_asic; unsigned backend_map; unsigned num_texture_channel_caches; diff --git a/drivers/gpu/drm/radeon/radeon_atpx_handler.c b/drivers/gpu/drm/radeon/radeon_atpx_handler.c index 9d302eaeea15..485848f889f5 100644 --- a/drivers/gpu/drm/radeon/radeon_atpx_handler.c +++ b/drivers/gpu/drm/radeon/radeon_atpx_handler.c @@ -33,6 +33,7 @@ static struct radeon_atpx_priv { bool atpx_detected; /* handle for device - and atpx */ acpi_handle dhandle; + acpi_handle other_handle; struct radeon_atpx atpx; } radeon_atpx_priv; @@ -451,9 +452,10 @@ static bool radeon_atpx_pci_probe_handle(struct pci_dev *pdev) return false; status = acpi_get_handle(dhandle, "ATPX", &atpx_handle); - if (ACPI_FAILURE(status)) + if (ACPI_FAILURE(status)) { + radeon_atpx_priv.other_handle = dhandle; return false; - + } radeon_atpx_priv.dhandle = dhandle; radeon_atpx_priv.atpx.handle = atpx_handle; return true; @@ -530,6 +532,16 @@ static bool radeon_atpx_detect(void) printk(KERN_INFO "VGA switcheroo: detected switching method %s handle\n", acpi_method_name); radeon_atpx_priv.atpx_detected = true; + /* + * On some systems hotplug events are generated for the device + * being switched off when ATPX is executed. They cause ACPI + * hotplug to trigger and attempt to remove the device from + * the system, which causes it to break down. Prevent that from + * happening by setting the no_hotplug flag for the involved + * ACPI device objects. + */ + acpi_bus_no_hotplug(radeon_atpx_priv.dhandle); + acpi_bus_no_hotplug(radeon_atpx_priv.other_handle); return true; } return false; diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c index 1958b36ad0e5..db39ea36bf22 100644 --- a/drivers/gpu/drm/radeon/radeon_drv.c +++ b/drivers/gpu/drm/radeon/radeon_drv.c @@ -77,9 +77,10 @@ * 2.33.0 - Add SI tiling mode array query * 2.34.0 - Add CIK tiling mode array query * 2.35.0 - Add CIK macrotile mode array query + * 2.36.0 - Fix CIK DCE tiling setup */ #define KMS_DRIVER_MAJOR 2 -#define KMS_DRIVER_MINOR 35 +#define KMS_DRIVER_MINOR 36 #define KMS_DRIVER_PATCHLEVEL 0 int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags); int radeon_driver_unload_kms(struct drm_device *dev); diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c index 55d0b474bd37..21d593c0ecaf 100644 --- a/drivers/gpu/drm/radeon/radeon_kms.c +++ b/drivers/gpu/drm/radeon/radeon_kms.c @@ -461,6 +461,15 @@ int radeon_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp) case RADEON_INFO_SI_CP_DMA_COMPUTE: *value = 1; break; + case RADEON_INFO_SI_BACKEND_ENABLED_MASK: + if (rdev->family >= CHIP_BONAIRE) { + *value = rdev->config.cik.backend_enable_mask; + } else if (rdev->family >= CHIP_TAHITI) { + *value = rdev->config.si.backend_enable_mask; + } else { + DRM_DEBUG_KMS("BACKEND_ENABLED_MASK is si+ only!\n"); + } + break; default: DRM_DEBUG_KMS("Invalid request %d\n", info->request); return -EINVAL; diff --git a/drivers/gpu/drm/radeon/radeon_uvd.c b/drivers/gpu/drm/radeon/radeon_uvd.c index 373d088bac66..b9c0529b4a2e 100644 --- a/drivers/gpu/drm/radeon/radeon_uvd.c +++ b/drivers/gpu/drm/radeon/radeon_uvd.c @@ -473,7 +473,7 @@ static int radeon_uvd_cs_reloc(struct radeon_cs_parser *p, return -EINVAL; } - if ((start >> 28) != (end >> 28)) { + if ((start >> 28) != ((end - 1) >> 28)) { DRM_ERROR("reloc %LX-%LX crossing 256MB boundary!\n", start, end); return -EINVAL; diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c index a36736dab5e0..85e1edfaa3be 100644 --- a/drivers/gpu/drm/radeon/si.c +++ b/drivers/gpu/drm/radeon/si.c @@ -2811,7 +2811,7 @@ static void si_setup_spi(struct radeon_device *rdev, } static u32 si_get_rb_disabled(struct radeon_device *rdev, - u32 max_rb_num, u32 se_num, + u32 max_rb_num_per_se, u32 sh_per_se) { u32 data, mask; @@ -2825,14 +2825,14 @@ static u32 si_get_rb_disabled(struct radeon_device *rdev, data >>= BACKEND_DISABLE_SHIFT; - mask = si_create_bitmask(max_rb_num / se_num / sh_per_se); + mask = si_create_bitmask(max_rb_num_per_se / sh_per_se); return data & mask; } static void si_setup_rb(struct radeon_device *rdev, u32 se_num, u32 sh_per_se, - u32 max_rb_num) + u32 max_rb_num_per_se) { int i, j; u32 data, mask; @@ -2842,19 +2842,21 @@ static void si_setup_rb(struct radeon_device *rdev, for (i = 0; i < se_num; i++) { for (j = 0; j < sh_per_se; j++) { si_select_se_sh(rdev, i, j); - data = si_get_rb_disabled(rdev, max_rb_num, se_num, sh_per_se); + data = si_get_rb_disabled(rdev, max_rb_num_per_se, sh_per_se); disabled_rbs |= data << ((i * sh_per_se + j) * TAHITI_RB_BITMAP_WIDTH_PER_SH); } } si_select_se_sh(rdev, 0xffffffff, 0xffffffff); mask = 1; - for (i = 0; i < max_rb_num; i++) { + for (i = 0; i < max_rb_num_per_se * se_num; i++) { if (!(disabled_rbs & mask)) enabled_rbs |= mask; mask <<= 1; } + rdev->config.si.backend_enable_mask = enabled_rbs; + for (i = 0; i < se_num; i++) { si_select_se_sh(rdev, i, 0xffffffff); data = 0; diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c index f80b700f821c..797ed29a36ea 100644 --- a/drivers/idle/intel_idle.c +++ b/drivers/idle/intel_idle.c @@ -123,7 +123,7 @@ static struct cpuidle_state *cpuidle_state_table; * which is also the index into the MWAIT hint array. * Thus C0 is a dummy. */ -static struct cpuidle_state nehalem_cstates[] __initdata = { +static struct cpuidle_state nehalem_cstates[] = { { .name = "C1-NHM", .desc = "MWAIT 0x00", @@ -156,7 +156,7 @@ static struct cpuidle_state nehalem_cstates[] __initdata = { .enter = NULL } }; -static struct cpuidle_state snb_cstates[] __initdata = { +static struct cpuidle_state snb_cstates[] = { { .name = "C1-SNB", .desc = "MWAIT 0x00", @@ -196,7 +196,7 @@ static struct cpuidle_state snb_cstates[] __initdata = { .enter = NULL } }; -static struct cpuidle_state ivb_cstates[] __initdata = { +static struct cpuidle_state ivb_cstates[] = { { .name = "C1-IVB", .desc = "MWAIT 0x00", @@ -236,7 +236,7 @@ static struct cpuidle_state ivb_cstates[] __initdata = { .enter = NULL } }; -static struct cpuidle_state hsw_cstates[] __initdata = { +static struct cpuidle_state hsw_cstates[] = { { .name = "C1-HSW", .desc = "MWAIT 0x00", @@ -297,7 +297,7 @@ static struct cpuidle_state hsw_cstates[] __initdata = { .enter = NULL } }; -static struct cpuidle_state atom_cstates[] __initdata = { +static struct cpuidle_state atom_cstates[] = { { .name = "C1E-ATM", .desc = "MWAIT 0x00", @@ -329,7 +329,7 @@ static struct cpuidle_state atom_cstates[] __initdata = { { .enter = NULL } }; -static struct cpuidle_state avn_cstates[] __initdata = { +static struct cpuidle_state avn_cstates[] = { { .name = "C1-AVN", .desc = "MWAIT 0x00", @@ -344,6 +344,8 @@ static struct cpuidle_state avn_cstates[] __initdata = { .exit_latency = 15, .target_residency = 45, .enter = &intel_idle }, + { + .enter = NULL } }; /** diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c index 12fef76c791c..45126879ad28 100644 --- a/drivers/infiniband/hw/cxgb4/cm.c +++ b/drivers/infiniband/hw/cxgb4/cm.c @@ -524,50 +524,6 @@ static int send_abort(struct c4iw_ep *ep, struct sk_buff *skb, gfp_t gfp) return c4iw_l2t_send(&ep->com.dev->rdev, skb, ep->l2t); } -#define VLAN_NONE 0xfff -#define FILTER_SEL_VLAN_NONE 0xffff -#define FILTER_SEL_WIDTH_P_FC (3+1) /* port uses 3 bits, FCoE one bit */ -#define FILTER_SEL_WIDTH_VIN_P_FC \ - (6 + 7 + FILTER_SEL_WIDTH_P_FC) /* 6 bits are unused, VF uses 7 bits*/ -#define FILTER_SEL_WIDTH_TAG_P_FC \ - (3 + FILTER_SEL_WIDTH_VIN_P_FC) /* PF uses 3 bits */ -#define FILTER_SEL_WIDTH_VLD_TAG_P_FC (1 + FILTER_SEL_WIDTH_TAG_P_FC) - -static unsigned int select_ntuple(struct c4iw_dev *dev, struct dst_entry *dst, - struct l2t_entry *l2t) -{ - unsigned int ntuple = 0; - u32 viid; - - switch (dev->rdev.lldi.filt_mode) { - - /* default filter mode */ - case HW_TPL_FR_MT_PR_IV_P_FC: - if (l2t->vlan == VLAN_NONE) - ntuple |= FILTER_SEL_VLAN_NONE << FILTER_SEL_WIDTH_P_FC; - else { - ntuple |= l2t->vlan << FILTER_SEL_WIDTH_P_FC; - ntuple |= 1 << FILTER_SEL_WIDTH_TAG_P_FC; - } - ntuple |= l2t->lport << S_PORT | IPPROTO_TCP << - FILTER_SEL_WIDTH_VLD_TAG_P_FC; - break; - case HW_TPL_FR_MT_PR_OV_P_FC: { - viid = cxgb4_port_viid(l2t->neigh->dev); - - ntuple |= FW_VIID_VIN_GET(viid) << FILTER_SEL_WIDTH_P_FC; - ntuple |= FW_VIID_PFN_GET(viid) << FILTER_SEL_WIDTH_VIN_P_FC; - ntuple |= FW_VIID_VIVLD_GET(viid) << FILTER_SEL_WIDTH_TAG_P_FC; - ntuple |= l2t->lport << S_PORT | IPPROTO_TCP << - FILTER_SEL_WIDTH_VLD_TAG_P_FC; - break; - } - default: - break; - } - return ntuple; -} - static int send_connect(struct c4iw_ep *ep) { struct cpl_act_open_req *req; @@ -641,8 +597,9 @@ static int send_connect(struct c4iw_ep *ep) req->local_ip = la->sin_addr.s_addr; req->peer_ip = ra->sin_addr.s_addr; req->opt0 = cpu_to_be64(opt0); - req->params = cpu_to_be32(select_ntuple(ep->com.dev, - ep->dst, ep->l2t)); + req->params = cpu_to_be32(cxgb4_select_ntuple( + ep->com.dev->rdev.lldi.ports[0], + ep->l2t)); req->opt2 = cpu_to_be32(opt2); } else { req6 = (struct cpl_act_open_req6 *)skb_put(skb, wrlen); @@ -662,9 +619,9 @@ static int send_connect(struct c4iw_ep *ep) req6->peer_ip_lo = *((__be64 *) (ra6->sin6_addr.s6_addr + 8)); req6->opt0 = cpu_to_be64(opt0); - req6->params = cpu_to_be32( - select_ntuple(ep->com.dev, ep->dst, - ep->l2t)); + req6->params = cpu_to_be32(cxgb4_select_ntuple( + ep->com.dev->rdev.lldi.ports[0], + ep->l2t)); req6->opt2 = cpu_to_be32(opt2); } } else { @@ -681,8 +638,9 @@ static int send_connect(struct c4iw_ep *ep) t5_req->peer_ip = ra->sin_addr.s_addr; t5_req->opt0 = cpu_to_be64(opt0); t5_req->params = cpu_to_be64(V_FILTER_TUPLE( - select_ntuple(ep->com.dev, - ep->dst, ep->l2t))); + cxgb4_select_ntuple( + ep->com.dev->rdev.lldi.ports[0], + ep->l2t))); t5_req->opt2 = cpu_to_be32(opt2); } else { t5_req6 = (struct cpl_t5_act_open_req6 *) @@ -703,7 +661,9 @@ static int send_connect(struct c4iw_ep *ep) (ra6->sin6_addr.s6_addr + 8)); t5_req6->opt0 = cpu_to_be64(opt0); t5_req6->params = (__force __be64)cpu_to_be32( - select_ntuple(ep->com.dev, ep->dst, ep->l2t)); + cxgb4_select_ntuple( + ep->com.dev->rdev.lldi.ports[0], + ep->l2t)); t5_req6->opt2 = cpu_to_be32(opt2); } } @@ -1630,7 +1590,8 @@ static void send_fw_act_open_req(struct c4iw_ep *ep, unsigned int atid) memset(req, 0, sizeof(*req)); req->op_compl = htonl(V_WR_OP(FW_OFLD_CONNECTION_WR)); req->len16_pkd = htonl(FW_WR_LEN16(DIV_ROUND_UP(sizeof(*req), 16))); - req->le.filter = cpu_to_be32(select_ntuple(ep->com.dev, ep->dst, + req->le.filter = cpu_to_be32(cxgb4_select_ntuple( + ep->com.dev->rdev.lldi.ports[0], ep->l2t)); sin = (struct sockaddr_in *)&ep->com.local_addr; req->le.lport = sin->sin_port; @@ -2938,7 +2899,8 @@ int c4iw_create_listen(struct iw_cm_id *cm_id, int backlog) /* * Allocate a server TID. */ - if (dev->rdev.lldi.enable_fw_ofld_conn) + if (dev->rdev.lldi.enable_fw_ofld_conn && + ep->com.local_addr.ss_family == AF_INET) ep->stid = cxgb4_alloc_sftid(dev->rdev.lldi.tids, cm_id->local_addr.ss_family, ep); else @@ -3323,9 +3285,7 @@ static int rx_pkt(struct c4iw_dev *dev, struct sk_buff *skb) /* * Calculate the server tid from filter hit index from cpl_rx_pkt. */ - stid = (__force int) cpu_to_be32((__force u32) rss->hash_val) - - dev->rdev.lldi.tids->sftid_base - + dev->rdev.lldi.tids->nstids; + stid = (__force int) cpu_to_be32((__force u32) rss->hash_val); lep = (struct c4iw_ep *)lookup_stid(dev->rdev.lldi.tids, stid); if (!lep) { @@ -3397,7 +3357,9 @@ static int rx_pkt(struct c4iw_dev *dev, struct sk_buff *skb) window = (__force u16) htons((__force u16)tcph->window); /* Calcuate filter portion for LE region. */ - filter = (__force unsigned int) cpu_to_be32(select_ntuple(dev, dst, e)); + filter = (__force unsigned int) cpu_to_be32(cxgb4_select_ntuple( + dev->rdev.lldi.ports[0], + e)); /* * Synthesize the cpl_pass_accept_req. We have everything except the diff --git a/drivers/infiniband/ulp/ipoib/ipoib_netlink.c b/drivers/infiniband/ulp/ipoib/ipoib_netlink.c index c29b5c838833..cdc7df4fdb8a 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_netlink.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_netlink.c @@ -31,6 +31,7 @@ */ #include <linux/netdevice.h> +#include <linux/if_arp.h> /* For ARPHRD_xxx */ #include <linux/module.h> #include <net/rtnetlink.h> #include "ipoib.h" @@ -103,7 +104,7 @@ static int ipoib_new_child_link(struct net *src_net, struct net_device *dev, return -EINVAL; pdev = __dev_get_by_index(src_net, nla_get_u32(tb[IFLA_LINK])); - if (!pdev) + if (!pdev || pdev->type != ARPHRD_INFINIBAND) return -ENODEV; ppriv = netdev_priv(pdev); diff --git a/drivers/input/input.c b/drivers/input/input.c index 846ccdd905b1..d2965e4b3224 100644 --- a/drivers/input/input.c +++ b/drivers/input/input.c @@ -1871,6 +1871,10 @@ void input_set_capability(struct input_dev *dev, unsigned int type, unsigned int break; case EV_ABS: + input_alloc_absinfo(dev); + if (!dev->absinfo) + return; + __set_bit(code, dev->absbit); break; diff --git a/drivers/input/touchscreen/zforce_ts.c b/drivers/input/touchscreen/zforce_ts.c index 75762d6ff3ba..aa127ba392a4 100644 --- a/drivers/input/touchscreen/zforce_ts.c +++ b/drivers/input/touchscreen/zforce_ts.c @@ -455,7 +455,18 @@ static void zforce_complete(struct zforce_ts *ts, int cmd, int result) } } -static irqreturn_t zforce_interrupt(int irq, void *dev_id) +static irqreturn_t zforce_irq(int irq, void *dev_id) +{ + struct zforce_ts *ts = dev_id; + struct i2c_client *client = ts->client; + + if (ts->suspended && device_may_wakeup(&client->dev)) + pm_wakeup_event(&client->dev, 500); + + return IRQ_WAKE_THREAD; +} + +static irqreturn_t zforce_irq_thread(int irq, void *dev_id) { struct zforce_ts *ts = dev_id; struct i2c_client *client = ts->client; @@ -465,12 +476,10 @@ static irqreturn_t zforce_interrupt(int irq, void *dev_id) u8 *payload; /* - * When suspended, emit a wakeup signal if necessary and return. + * When still suspended, return. * Due to the level-interrupt we will get re-triggered later. */ if (ts->suspended) { - if (device_may_wakeup(&client->dev)) - pm_wakeup_event(&client->dev, 500); msleep(20); return IRQ_HANDLED; } @@ -763,8 +772,8 @@ static int zforce_probe(struct i2c_client *client, * Therefore we can trigger the interrupt anytime it is low and do * not need to limit it to the interrupt edge. */ - ret = devm_request_threaded_irq(&client->dev, client->irq, NULL, - zforce_interrupt, + ret = devm_request_threaded_irq(&client->dev, client->irq, + zforce_irq, zforce_irq_thread, IRQF_TRIGGER_LOW | IRQF_ONESHOT, input_dev->name, ts); if (ret) { diff --git a/drivers/isdn/hisax/hfc_pci.c b/drivers/isdn/hisax/hfc_pci.c index 497bd026c237..4a4825528188 100644 --- a/drivers/isdn/hisax/hfc_pci.c +++ b/drivers/isdn/hisax/hfc_pci.c @@ -1643,10 +1643,6 @@ setup_hfcpci(struct IsdnCard *card) int i; struct pci_dev *tmp_hfcpci = NULL; -#ifdef __BIG_ENDIAN -#error "not running on big endian machines now" -#endif - strcpy(tmp, hfcpci_revision); printk(KERN_INFO "HiSax: HFC-PCI driver Rev. %s\n", HiSax_getrev(tmp)); diff --git a/drivers/isdn/hisax/telespci.c b/drivers/isdn/hisax/telespci.c index f6ab63aa6995..33eeb4602c7e 100644 --- a/drivers/isdn/hisax/telespci.c +++ b/drivers/isdn/hisax/telespci.c @@ -290,10 +290,6 @@ int setup_telespci(struct IsdnCard *card) struct IsdnCardState *cs = card->cs; char tmp[64]; -#ifdef __BIG_ENDIAN -#error "not running on big endian machines now" -#endif - strcpy(tmp, telespci_revision); printk(KERN_INFO "HiSax: Teles/PCI driver Rev. %s\n", HiSax_getrev(tmp)); if (cs->typ != ISDN_CTYPE_TELESPCI) diff --git a/drivers/leds/leds-lp5521.c b/drivers/leds/leds-lp5521.c index 05188351711d..a97263e902ff 100644 --- a/drivers/leds/leds-lp5521.c +++ b/drivers/leds/leds-lp5521.c @@ -244,18 +244,12 @@ static int lp5521_update_program_memory(struct lp55xx_chip *chip, if (i % 2) goto err; - mutex_lock(&chip->lock); - for (i = 0; i < LP5521_PROGRAM_LENGTH; i++) { ret = lp55xx_write(chip, addr[idx] + i, pattern[i]); - if (ret) { - mutex_unlock(&chip->lock); + if (ret) return -EINVAL; - } } - mutex_unlock(&chip->lock); - return size; err: @@ -427,15 +421,17 @@ static ssize_t store_engine_load(struct device *dev, { struct lp55xx_led *led = i2c_get_clientdata(to_i2c_client(dev)); struct lp55xx_chip *chip = led->chip; + int ret; mutex_lock(&chip->lock); chip->engine_idx = nr; lp5521_load_engine(chip); + ret = lp5521_update_program_memory(chip, buf, len); mutex_unlock(&chip->lock); - return lp5521_update_program_memory(chip, buf, len); + return ret; } store_load(1) store_load(2) diff --git a/drivers/leds/leds-lp5523.c b/drivers/leds/leds-lp5523.c index 6b553d9f4266..fd9ab5f61441 100644 --- a/drivers/leds/leds-lp5523.c +++ b/drivers/leds/leds-lp5523.c @@ -337,18 +337,12 @@ static int lp5523_update_program_memory(struct lp55xx_chip *chip, if (i % 2) goto err; - mutex_lock(&chip->lock); - for (i = 0; i < LP5523_PROGRAM_LENGTH; i++) { ret = lp55xx_write(chip, LP5523_REG_PROG_MEM + i, pattern[i]); - if (ret) { - mutex_unlock(&chip->lock); + if (ret) return -EINVAL; - } } - mutex_unlock(&chip->lock); - return size; err: @@ -548,15 +542,17 @@ static ssize_t store_engine_load(struct device *dev, { struct lp55xx_led *led = i2c_get_clientdata(to_i2c_client(dev)); struct lp55xx_chip *chip = led->chip; + int ret; mutex_lock(&chip->lock); chip->engine_idx = nr; lp5523_load_engine_and_select_page(chip); + ret = lp5523_update_program_memory(chip, buf, len); mutex_unlock(&chip->lock); - return lp5523_update_program_memory(chip, buf, len); + return ret; } store_load(1) store_load(2) diff --git a/drivers/mfd/rtsx_pcr.c b/drivers/mfd/rtsx_pcr.c index 11e20afbdcac..705698fd2c7e 100644 --- a/drivers/mfd/rtsx_pcr.c +++ b/drivers/mfd/rtsx_pcr.c @@ -1228,8 +1228,14 @@ static void rtsx_pci_remove(struct pci_dev *pcidev) pcr->remove_pci = true; - cancel_delayed_work(&pcr->carddet_work); - cancel_delayed_work(&pcr->idle_work); + /* Disable interrupts at the pcr level */ + spin_lock_irq(&pcr->lock); + rtsx_pci_writel(pcr, RTSX_BIER, 0); + pcr->bier = 0; + spin_unlock_irq(&pcr->lock); + + cancel_delayed_work_sync(&pcr->carddet_work); + cancel_delayed_work_sync(&pcr->idle_work); mfd_remove_devices(&pcidev->dev); diff --git a/drivers/mtd/maps/pxa2xx-flash.c b/drivers/mtd/maps/pxa2xx-flash.c index d210d131fef2..0f55589a56b8 100644 --- a/drivers/mtd/maps/pxa2xx-flash.c +++ b/drivers/mtd/maps/pxa2xx-flash.c @@ -73,7 +73,7 @@ static int pxa2xx_flash_probe(struct platform_device *pdev) return -ENOMEM; } info->map.cached = - ioremap_cached(info->map.phys, info->map.size); + ioremap_cache(info->map.phys, info->map.size); if (!info->map.cached) printk(KERN_WARNING "Failed to ioremap cached %s\n", info->map.name); diff --git a/drivers/net/bonding/bond_3ad.c b/drivers/net/bonding/bond_3ad.c index 187b1b7772ef..4ced59436558 100644 --- a/drivers/net/bonding/bond_3ad.c +++ b/drivers/net/bonding/bond_3ad.c @@ -2201,20 +2201,25 @@ void bond_3ad_adapter_speed_changed(struct slave *slave) port = &(SLAVE_AD_INFO(slave).port); - // if slave is null, the whole port is not initialized + /* if slave is null, the whole port is not initialized */ if (!port->slave) { pr_warning("Warning: %s: speed changed for uninitialized port on %s\n", slave->bond->dev->name, slave->dev->name); return; } + __get_state_machine_lock(port); + port->actor_admin_port_key &= ~AD_SPEED_KEY_BITS; port->actor_oper_port_key = port->actor_admin_port_key |= (__get_link_speed(port) << 1); pr_debug("Port %d changed speed\n", port->actor_port_number); - // there is no need to reselect a new aggregator, just signal the - // state machines to reinitialize + /* there is no need to reselect a new aggregator, just signal the + * state machines to reinitialize + */ port->sm_vars |= AD_PORT_BEGIN; + + __release_state_machine_lock(port); } /** @@ -2229,20 +2234,25 @@ void bond_3ad_adapter_duplex_changed(struct slave *slave) port = &(SLAVE_AD_INFO(slave).port); - // if slave is null, the whole port is not initialized + /* if slave is null, the whole port is not initialized */ if (!port->slave) { pr_warning("%s: Warning: duplex changed for uninitialized port on %s\n", slave->bond->dev->name, slave->dev->name); return; } + __get_state_machine_lock(port); + port->actor_admin_port_key &= ~AD_DUPLEX_KEY_BITS; port->actor_oper_port_key = port->actor_admin_port_key |= __get_duplex(port); pr_debug("Port %d changed duplex\n", port->actor_port_number); - // there is no need to reselect a new aggregator, just signal the - // state machines to reinitialize + /* there is no need to reselect a new aggregator, just signal the + * state machines to reinitialize + */ port->sm_vars |= AD_PORT_BEGIN; + + __release_state_machine_lock(port); } /** @@ -2258,15 +2268,21 @@ void bond_3ad_handle_link_change(struct slave *slave, char link) port = &(SLAVE_AD_INFO(slave).port); - // if slave is null, the whole port is not initialized + /* if slave is null, the whole port is not initialized */ if (!port->slave) { pr_warning("Warning: %s: link status changed for uninitialized port on %s\n", slave->bond->dev->name, slave->dev->name); return; } - // on link down we are zeroing duplex and speed since some of the adaptors(ce1000.lan) report full duplex/speed instead of N/A(duplex) / 0(speed) - // on link up we are forcing recheck on the duplex and speed since some of he adaptors(ce1000.lan) report + __get_state_machine_lock(port); + /* on link down we are zeroing duplex and speed since + * some of the adaptors(ce1000.lan) report full duplex/speed + * instead of N/A(duplex) / 0(speed). + * + * on link up we are forcing recheck on the duplex and speed since + * some of he adaptors(ce1000.lan) report. + */ if (link == BOND_LINK_UP) { port->is_enabled = true; port->actor_admin_port_key &= ~AD_DUPLEX_KEY_BITS; @@ -2282,10 +2298,15 @@ void bond_3ad_handle_link_change(struct slave *slave, char link) port->actor_oper_port_key = (port->actor_admin_port_key &= ~AD_SPEED_KEY_BITS); } - //BOND_PRINT_DBG(("Port %d changed link status to %s", port->actor_port_number, ((link == BOND_LINK_UP)?"UP":"DOWN"))); - // there is no need to reselect a new aggregator, just signal the - // state machines to reinitialize + pr_debug("Port %d changed link status to %s", + port->actor_port_number, + (link == BOND_LINK_UP) ? "UP" : "DOWN"); + /* there is no need to reselect a new aggregator, just signal the + * state machines to reinitialize + */ port->sm_vars |= AD_PORT_BEGIN; + + __release_state_machine_lock(port); } /* diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 398e299ee1bd..4b8c58b0ec24 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -3732,7 +3732,8 @@ static inline int bond_slave_override(struct bonding *bond, } -static u16 bond_select_queue(struct net_device *dev, struct sk_buff *skb) +static u16 bond_select_queue(struct net_device *dev, struct sk_buff *skb, + void *accel_priv) { /* * This helper function exists to help dev_pick_tx get the correct diff --git a/drivers/net/ethernet/arc/emac_main.c b/drivers/net/ethernet/arc/emac_main.c index b2ffad1304d2..248baf6273fb 100644 --- a/drivers/net/ethernet/arc/emac_main.c +++ b/drivers/net/ethernet/arc/emac_main.c @@ -565,6 +565,8 @@ static int arc_emac_tx(struct sk_buff *skb, struct net_device *ndev) /* Make sure pointer to data buffer is set */ wmb(); + skb_tx_timestamp(skb); + *info = cpu_to_le32(FOR_EMAC | FIRST_OR_LAST_MASK | len); /* Increment index to point to the next BD */ @@ -579,8 +581,6 @@ static int arc_emac_tx(struct sk_buff *skb, struct net_device *ndev) arc_reg_set(priv, R_STATUS, TXPL_MASK); - skb_tx_timestamp(skb); - return NETDEV_TX_OK; } diff --git a/drivers/net/ethernet/atheros/atl1c/atl1c_main.c b/drivers/net/ethernet/atheros/atl1c/atl1c_main.c index a36a760ada28..29801750f239 100644 --- a/drivers/net/ethernet/atheros/atl1c/atl1c_main.c +++ b/drivers/net/ethernet/atheros/atl1c/atl1c_main.c @@ -145,9 +145,11 @@ static void atl1c_reset_pcie(struct atl1c_hw *hw, u32 flag) * Mask some pcie error bits */ pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_ERR); - pci_read_config_dword(pdev, pos + PCI_ERR_UNCOR_SEVER, &data); - data &= ~(PCI_ERR_UNC_DLP | PCI_ERR_UNC_FCP); - pci_write_config_dword(pdev, pos + PCI_ERR_UNCOR_SEVER, data); + if (pos) { + pci_read_config_dword(pdev, pos + PCI_ERR_UNCOR_SEVER, &data); + data &= ~(PCI_ERR_UNC_DLP | PCI_ERR_UNC_FCP); + pci_write_config_dword(pdev, pos + PCI_ERR_UNCOR_SEVER, data); + } /* clear error status */ pcie_capability_write_word(pdev, PCI_EXP_DEVSTA, PCI_EXP_DEVSTA_NFED | diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h index a1f66e2c9a86..ec6119089b82 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h @@ -520,10 +520,12 @@ struct bnx2x_fastpath { #define BNX2X_FP_STATE_IDLE 0 #define BNX2X_FP_STATE_NAPI (1 << 0) /* NAPI owns this FP */ #define BNX2X_FP_STATE_POLL (1 << 1) /* poll owns this FP */ -#define BNX2X_FP_STATE_NAPI_YIELD (1 << 2) /* NAPI yielded this FP */ -#define BNX2X_FP_STATE_POLL_YIELD (1 << 3) /* poll yielded this FP */ +#define BNX2X_FP_STATE_DISABLED (1 << 2) +#define BNX2X_FP_STATE_NAPI_YIELD (1 << 3) /* NAPI yielded this FP */ +#define BNX2X_FP_STATE_POLL_YIELD (1 << 4) /* poll yielded this FP */ +#define BNX2X_FP_OWNED (BNX2X_FP_STATE_NAPI | BNX2X_FP_STATE_POLL) #define BNX2X_FP_YIELD (BNX2X_FP_STATE_NAPI_YIELD | BNX2X_FP_STATE_POLL_YIELD) -#define BNX2X_FP_LOCKED (BNX2X_FP_STATE_NAPI | BNX2X_FP_STATE_POLL) +#define BNX2X_FP_LOCKED (BNX2X_FP_OWNED | BNX2X_FP_STATE_DISABLED) #define BNX2X_FP_USER_PEND (BNX2X_FP_STATE_POLL | BNX2X_FP_STATE_POLL_YIELD) /* protect state */ spinlock_t lock; @@ -613,7 +615,7 @@ static inline bool bnx2x_fp_lock_napi(struct bnx2x_fastpath *fp) { bool rc = true; - spin_lock(&fp->lock); + spin_lock_bh(&fp->lock); if (fp->state & BNX2X_FP_LOCKED) { WARN_ON(fp->state & BNX2X_FP_STATE_NAPI); fp->state |= BNX2X_FP_STATE_NAPI_YIELD; @@ -622,7 +624,7 @@ static inline bool bnx2x_fp_lock_napi(struct bnx2x_fastpath *fp) /* we don't care if someone yielded */ fp->state = BNX2X_FP_STATE_NAPI; } - spin_unlock(&fp->lock); + spin_unlock_bh(&fp->lock); return rc; } @@ -631,14 +633,16 @@ static inline bool bnx2x_fp_unlock_napi(struct bnx2x_fastpath *fp) { bool rc = false; - spin_lock(&fp->lock); + spin_lock_bh(&fp->lock); WARN_ON(fp->state & (BNX2X_FP_STATE_POLL | BNX2X_FP_STATE_NAPI_YIELD)); if (fp->state & BNX2X_FP_STATE_POLL_YIELD) rc = true; - fp->state = BNX2X_FP_STATE_IDLE; - spin_unlock(&fp->lock); + + /* state ==> idle, unless currently disabled */ + fp->state &= BNX2X_FP_STATE_DISABLED; + spin_unlock_bh(&fp->lock); return rc; } @@ -669,7 +673,9 @@ static inline bool bnx2x_fp_unlock_poll(struct bnx2x_fastpath *fp) if (fp->state & BNX2X_FP_STATE_POLL_YIELD) rc = true; - fp->state = BNX2X_FP_STATE_IDLE; + + /* state ==> idle, unless currently disabled */ + fp->state &= BNX2X_FP_STATE_DISABLED; spin_unlock_bh(&fp->lock); return rc; } @@ -677,9 +683,23 @@ static inline bool bnx2x_fp_unlock_poll(struct bnx2x_fastpath *fp) /* true if a socket is polling, even if it did not get the lock */ static inline bool bnx2x_fp_ll_polling(struct bnx2x_fastpath *fp) { - WARN_ON(!(fp->state & BNX2X_FP_LOCKED)); + WARN_ON(!(fp->state & BNX2X_FP_OWNED)); return fp->state & BNX2X_FP_USER_PEND; } + +/* false if fp is currently owned */ +static inline bool bnx2x_fp_ll_disable(struct bnx2x_fastpath *fp) +{ + int rc = true; + + spin_lock_bh(&fp->lock); + if (fp->state & BNX2X_FP_OWNED) + rc = false; + fp->state |= BNX2X_FP_STATE_DISABLED; + spin_unlock_bh(&fp->lock); + + return rc; +} #else static inline void bnx2x_fp_init_lock(struct bnx2x_fastpath *fp) { @@ -709,6 +729,10 @@ static inline bool bnx2x_fp_ll_polling(struct bnx2x_fastpath *fp) { return false; } +static inline bool bnx2x_fp_ll_disable(struct bnx2x_fastpath *fp) +{ + return true; +} #endif /* CONFIG_NET_RX_BUSY_POLL */ /* Use 2500 as a mini-jumbo MTU for FCoE */ @@ -1250,7 +1274,10 @@ struct bnx2x_slowpath { * Therefore, if they would have been defined in the same union, * data can get corrupted. */ - struct afex_vif_list_ramrod_data func_afex_rdata; + union { + struct afex_vif_list_ramrod_data viflist_data; + struct function_update_data func_update; + } func_afex_rdata; /* used by dmae command executer */ struct dmae_command dmae[MAX_DMAE_C]; @@ -2499,4 +2526,6 @@ void bnx2x_set_local_cmng(struct bnx2x *bp); #define MCPR_SCRATCH_BASE(bp) \ (CHIP_IS_E1x(bp) ? MCP_REG_MCPR_SCRATCH : MCP_A_REG_MCPR_SCRATCH) +#define E1H_MAX_MF_SB_COUNT (HC_SB_MAX_SB_E1X/(E1HVN_MAX * PORT_MAX)) + #endif /* bnx2x.h */ diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c index ec96130533cc..bf811565ee24 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c @@ -160,6 +160,7 @@ static u16 bnx2x_free_tx_pkt(struct bnx2x *bp, struct bnx2x_fp_txdata *txdata, struct sk_buff *skb = tx_buf->skb; u16 bd_idx = TX_BD(tx_buf->first_bd), new_cons; int nbd; + u16 split_bd_len = 0; /* prefetch skb end pointer to speedup dev_kfree_skb() */ prefetch(&skb->end); @@ -167,10 +168,7 @@ static u16 bnx2x_free_tx_pkt(struct bnx2x *bp, struct bnx2x_fp_txdata *txdata, DP(NETIF_MSG_TX_DONE, "fp[%d]: pkt_idx %d buff @(%p)->skb %p\n", txdata->txq_index, idx, tx_buf, skb); - /* unmap first bd */ tx_start_bd = &txdata->tx_desc_ring[bd_idx].start_bd; - dma_unmap_single(&bp->pdev->dev, BD_UNMAP_ADDR(tx_start_bd), - BD_UNMAP_LEN(tx_start_bd), DMA_TO_DEVICE); nbd = le16_to_cpu(tx_start_bd->nbd) - 1; #ifdef BNX2X_STOP_ON_ERROR @@ -188,12 +186,19 @@ static u16 bnx2x_free_tx_pkt(struct bnx2x *bp, struct bnx2x_fp_txdata *txdata, --nbd; bd_idx = TX_BD(NEXT_TX_IDX(bd_idx)); - /* ...and the TSO split header bd since they have no mapping */ + /* TSO headers+data bds share a common mapping. See bnx2x_tx_split() */ if (tx_buf->flags & BNX2X_TSO_SPLIT_BD) { + tx_data_bd = &txdata->tx_desc_ring[bd_idx].reg_bd; + split_bd_len = BD_UNMAP_LEN(tx_data_bd); --nbd; bd_idx = TX_BD(NEXT_TX_IDX(bd_idx)); } + /* unmap first bd */ + dma_unmap_single(&bp->pdev->dev, BD_UNMAP_ADDR(tx_start_bd), + BD_UNMAP_LEN(tx_start_bd) + split_bd_len, + DMA_TO_DEVICE); + /* now free frags */ while (nbd > 0) { @@ -1790,26 +1795,22 @@ static void bnx2x_napi_disable_cnic(struct bnx2x *bp) { int i; - local_bh_disable(); for_each_rx_queue_cnic(bp, i) { napi_disable(&bnx2x_fp(bp, i, napi)); - while (!bnx2x_fp_lock_napi(&bp->fp[i])) - mdelay(1); + while (!bnx2x_fp_ll_disable(&bp->fp[i])) + usleep_range(1000, 2000); } - local_bh_enable(); } static void bnx2x_napi_disable(struct bnx2x *bp) { int i; - local_bh_disable(); for_each_eth_queue(bp, i) { napi_disable(&bnx2x_fp(bp, i, napi)); - while (!bnx2x_fp_lock_napi(&bp->fp[i])) - mdelay(1); + while (!bnx2x_fp_ll_disable(&bp->fp[i])) + usleep_range(1000, 2000); } - local_bh_enable(); } void bnx2x_netif_start(struct bnx2x *bp) @@ -1832,7 +1833,8 @@ void bnx2x_netif_stop(struct bnx2x *bp, int disable_hw) bnx2x_napi_disable_cnic(bp); } -u16 bnx2x_select_queue(struct net_device *dev, struct sk_buff *skb) +u16 bnx2x_select_queue(struct net_device *dev, struct sk_buff *skb, + void *accel_priv) { struct bnx2x *bp = netdev_priv(dev); diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h index da8fcaa74495..41f3ca5ad972 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h @@ -524,7 +524,8 @@ int bnx2x_set_vf_mac(struct net_device *dev, int queue, u8 *mac); int bnx2x_set_vf_vlan(struct net_device *netdev, int vf, u16 vlan, u8 qos); /* select_queue callback */ -u16 bnx2x_select_queue(struct net_device *dev, struct sk_buff *skb); +u16 bnx2x_select_queue(struct net_device *dev, struct sk_buff *skb, + void *accel_priv); static inline void bnx2x_update_rx_prod(struct bnx2x *bp, struct bnx2x_fastpath *fp, diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c index 20dcc02431ca..11fc79585491 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c @@ -3865,6 +3865,19 @@ static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy, bnx2x_warpcore_enable_AN_KR2(phy, params, vars); } else { + /* Enable Auto-Detect to support 1G over CL37 as well */ + bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, + MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0x10); + + /* Force cl48 sync_status LOW to avoid getting stuck in CL73 + * parallel-detect loop when CL73 and CL37 are enabled. + */ + CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK, + MDIO_AER_BLOCK_AER_REG, 0); + bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, + MDIO_WC_REG_RXB_ANA_RX_CONTROL_PCI, 0x0800); + bnx2x_set_aer_mmd(params, phy); + bnx2x_disable_kr2(params, vars, phy); } @@ -8120,17 +8133,20 @@ static int bnx2x_get_edc_mode(struct bnx2x_phy *phy, *edc_mode = EDC_MODE_ACTIVE_DAC; else check_limiting_mode = 1; - } else if (copper_module_type & - SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) { + } else { + *edc_mode = EDC_MODE_PASSIVE_DAC; + /* Even in case PASSIVE_DAC indication is not set, + * treat it as a passive DAC cable, since some cables + * don't have this indication. + */ + if (copper_module_type & + SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) { DP(NETIF_MSG_LINK, "Passive Copper cable detected\n"); - *edc_mode = - EDC_MODE_PASSIVE_DAC; - } else { - DP(NETIF_MSG_LINK, - "Unknown copper-cable-type 0x%x !!!\n", - copper_module_type); - return -EINVAL; + } else { + DP(NETIF_MSG_LINK, + "Unknown copper-cable-type\n"); + } } break; } @@ -10825,9 +10841,9 @@ static int bnx2x_54618se_config_init(struct bnx2x_phy *phy, (1<<11)); if (((phy->req_line_speed == SPEED_AUTO_NEG) && - (phy->speed_cap_mask & - PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) || - (phy->req_line_speed == SPEED_1000)) { + (phy->speed_cap_mask & + PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) || + (phy->req_line_speed == SPEED_1000)) { an_1000_val |= (1<<8); autoneg_val |= (1<<9 | 1<<12); if (phy->req_duplex == DUPLEX_FULL) @@ -10843,30 +10859,32 @@ static int bnx2x_54618se_config_init(struct bnx2x_phy *phy, 0x09, &an_1000_val); - /* Set 100 speed advertisement */ - if (((phy->req_line_speed == SPEED_AUTO_NEG) && - (phy->speed_cap_mask & - (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL | - PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) { - an_10_100_val |= (1<<7); - /* Enable autoneg and restart autoneg for legacy speeds */ - autoneg_val |= (1<<9 | 1<<12); - - if (phy->req_duplex == DUPLEX_FULL) - an_10_100_val |= (1<<8); - DP(NETIF_MSG_LINK, "Advertising 100M\n"); - } - - /* Set 10 speed advertisement */ - if (((phy->req_line_speed == SPEED_AUTO_NEG) && - (phy->speed_cap_mask & - (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL | - PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) { - an_10_100_val |= (1<<5); - autoneg_val |= (1<<9 | 1<<12); - if (phy->req_duplex == DUPLEX_FULL) + /* Advertise 10/100 link speed */ + if (phy->req_line_speed == SPEED_AUTO_NEG) { + if (phy->speed_cap_mask & + PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF) { + an_10_100_val |= (1<<5); + autoneg_val |= (1<<9 | 1<<12); + DP(NETIF_MSG_LINK, "Advertising 10M-HD\n"); + } + if (phy->speed_cap_mask & + PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) { an_10_100_val |= (1<<6); - DP(NETIF_MSG_LINK, "Advertising 10M\n"); + autoneg_val |= (1<<9 | 1<<12); + DP(NETIF_MSG_LINK, "Advertising 10M-FD\n"); + } + if (phy->speed_cap_mask & + PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF) { + an_10_100_val |= (1<<7); + autoneg_val |= (1<<9 | 1<<12); + DP(NETIF_MSG_LINK, "Advertising 100M-HD\n"); + } + if (phy->speed_cap_mask & + PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL) { + an_10_100_val |= (1<<8); + autoneg_val |= (1<<9 | 1<<12); + DP(NETIF_MSG_LINK, "Advertising 100M-FD\n"); + } } /* Only 10/100 are allowed to work in FORCE mode */ @@ -13342,6 +13360,10 @@ static u8 bnx2x_analyze_link_error(struct link_params *params, DP(NETIF_MSG_LINK, "Link changed:[%x %x]->%x\n", vars->link_up, old_status, status); + /* Do not touch the link in case physical link down */ + if ((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0) + return 1; + /* a. Update shmem->link_status accordingly * b. Update link_vars->link_up */ @@ -13550,7 +13572,7 @@ static void bnx2x_check_kr2_wa(struct link_params *params, */ not_kr2_device = (((base_page & 0x8000) == 0) || (((base_page & 0x8000) && - ((next_page & 0xe0) == 0x2)))); + ((next_page & 0xe0) == 0x20)))); /* In case KR2 is already disabled, check if we need to re-enable it */ if (!(vars->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) { diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c index 814d0eca9b33..8b3107b2fcc1 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c @@ -11447,9 +11447,9 @@ static int bnx2x_get_hwinfo(struct bnx2x *bp) } } - /* adjust igu_sb_cnt to MF for E1x */ - if (CHIP_IS_E1x(bp) && IS_MF(bp)) - bp->igu_sb_cnt /= E1HVN_MAX; + /* adjust igu_sb_cnt to MF for E1H */ + if (CHIP_IS_E1H(bp) && IS_MF(bp)) + bp->igu_sb_cnt = min_t(u8, bp->igu_sb_cnt, E1H_MAX_MF_SB_COUNT); /* port info */ bnx2x_get_port_hwinfo(bp); diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_reg.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_reg.h index 3efbb35267c8..14ffb6e56e59 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_reg.h +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_reg.h @@ -7179,6 +7179,7 @@ Theotherbitsarereservedandshouldbezero*/ #define MDIO_WC_REG_RX1_PCI_CTRL 0x80ca #define MDIO_WC_REG_RX2_PCI_CTRL 0x80da #define MDIO_WC_REG_RX3_PCI_CTRL 0x80ea +#define MDIO_WC_REG_RXB_ANA_RX_CONTROL_PCI 0x80fa #define MDIO_WC_REG_XGXSBLK2_UNICORE_MODE_10G 0x8104 #define MDIO_WC_REG_XGXS_STATUS3 0x8129 #define MDIO_WC_REG_PAR_DET_10G_STATUS 0x8130 diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c index 32c92abf5094..18438a504d57 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c @@ -2038,6 +2038,7 @@ static int bnx2x_vlan_mac_del_all(struct bnx2x *bp, struct bnx2x_vlan_mac_ramrod_params p; struct bnx2x_exe_queue_obj *exeq = &o->exe_queue; struct bnx2x_exeq_elem *exeq_pos, *exeq_pos_n; + unsigned long flags; int read_lock; int rc = 0; @@ -2046,8 +2047,9 @@ static int bnx2x_vlan_mac_del_all(struct bnx2x *bp, spin_lock_bh(&exeq->lock); list_for_each_entry_safe(exeq_pos, exeq_pos_n, &exeq->exe_queue, link) { - if (exeq_pos->cmd_data.vlan_mac.vlan_mac_flags == - *vlan_mac_flags) { + flags = exeq_pos->cmd_data.vlan_mac.vlan_mac_flags; + if (BNX2X_VLAN_MAC_CMP_FLAGS(flags) == + BNX2X_VLAN_MAC_CMP_FLAGS(*vlan_mac_flags)) { rc = exeq->remove(bp, exeq->owner, exeq_pos); if (rc) { BNX2X_ERR("Failed to remove command\n"); @@ -2080,7 +2082,9 @@ static int bnx2x_vlan_mac_del_all(struct bnx2x *bp, return read_lock; list_for_each_entry(pos, &o->head, link) { - if (pos->vlan_mac_flags == *vlan_mac_flags) { + flags = pos->vlan_mac_flags; + if (BNX2X_VLAN_MAC_CMP_FLAGS(flags) == + BNX2X_VLAN_MAC_CMP_FLAGS(*vlan_mac_flags)) { p.user_req.vlan_mac_flags = pos->vlan_mac_flags; memcpy(&p.user_req.u, &pos->u, sizeof(pos->u)); rc = bnx2x_config_vlan_mac(bp, &p); @@ -4382,8 +4386,11 @@ int bnx2x_config_rss(struct bnx2x *bp, struct bnx2x_raw_obj *r = &o->raw; /* Do nothing if only driver cleanup was requested */ - if (test_bit(RAMROD_DRV_CLR_ONLY, &p->ramrod_flags)) + if (test_bit(RAMROD_DRV_CLR_ONLY, &p->ramrod_flags)) { + DP(BNX2X_MSG_SP, "Not configuring RSS ramrod_flags=%lx\n", + p->ramrod_flags); return 0; + } r->set_pending(r); diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.h index 658f4e33abf9..6a53c15c85a3 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.h +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.h @@ -266,6 +266,13 @@ enum { BNX2X_DONT_CONSUME_CAM_CREDIT, BNX2X_DONT_CONSUME_CAM_CREDIT_DEST, }; +/* When looking for matching filters, some flags are not interesting */ +#define BNX2X_VLAN_MAC_CMP_MASK (1 << BNX2X_UC_LIST_MAC | \ + 1 << BNX2X_ETH_MAC | \ + 1 << BNX2X_ISCSI_ETH_MAC | \ + 1 << BNX2X_NETQ_ETH_MAC) +#define BNX2X_VLAN_MAC_CMP_FLAGS(flags) \ + ((flags) & BNX2X_VLAN_MAC_CMP_MASK) struct bnx2x_vlan_mac_ramrod_params { /* Object to run the command from */ diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c index 2e46c28fc601..e7845e5be1c7 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c @@ -1209,6 +1209,11 @@ static void bnx2x_vfop_rxmode(struct bnx2x *bp, struct bnx2x_virtf *vf) /* next state */ vfop->state = BNX2X_VFOP_RXMODE_DONE; + /* record the accept flags in vfdb so hypervisor can modify them + * if necessary + */ + bnx2x_vfq(vf, ramrod->cl_id - vf->igu_base_id, accept_flags) = + ramrod->rx_accept_flags; vfop->rc = bnx2x_config_rx_mode(bp, ramrod); bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE); op_err: @@ -1224,39 +1229,43 @@ op_pending: return; } +static void bnx2x_vf_prep_rx_mode(struct bnx2x *bp, u8 qid, + struct bnx2x_rx_mode_ramrod_params *ramrod, + struct bnx2x_virtf *vf, + unsigned long accept_flags) +{ + struct bnx2x_vf_queue *vfq = vfq_get(vf, qid); + + memset(ramrod, 0, sizeof(*ramrod)); + ramrod->cid = vfq->cid; + ramrod->cl_id = vfq_cl_id(vf, vfq); + ramrod->rx_mode_obj = &bp->rx_mode_obj; + ramrod->func_id = FW_VF_HANDLE(vf->abs_vfid); + ramrod->rx_accept_flags = accept_flags; + ramrod->tx_accept_flags = accept_flags; + ramrod->pstate = &vf->filter_state; + ramrod->state = BNX2X_FILTER_RX_MODE_PENDING; + + set_bit(BNX2X_FILTER_RX_MODE_PENDING, &vf->filter_state); + set_bit(RAMROD_RX, &ramrod->ramrod_flags); + set_bit(RAMROD_TX, &ramrod->ramrod_flags); + + ramrod->rdata = bnx2x_vf_sp(bp, vf, rx_mode_rdata.e2); + ramrod->rdata_mapping = bnx2x_vf_sp_map(bp, vf, rx_mode_rdata.e2); +} + int bnx2x_vfop_rxmode_cmd(struct bnx2x *bp, struct bnx2x_virtf *vf, struct bnx2x_vfop_cmd *cmd, int qid, unsigned long accept_flags) { - struct bnx2x_vf_queue *vfq = vfq_get(vf, qid); struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf); if (vfop) { struct bnx2x_rx_mode_ramrod_params *ramrod = &vf->op_params.rx_mode; - memset(ramrod, 0, sizeof(*ramrod)); - - /* Prepare ramrod parameters */ - ramrod->cid = vfq->cid; - ramrod->cl_id = vfq_cl_id(vf, vfq); - ramrod->rx_mode_obj = &bp->rx_mode_obj; - ramrod->func_id = FW_VF_HANDLE(vf->abs_vfid); - - ramrod->rx_accept_flags = accept_flags; - ramrod->tx_accept_flags = accept_flags; - ramrod->pstate = &vf->filter_state; - ramrod->state = BNX2X_FILTER_RX_MODE_PENDING; - - set_bit(BNX2X_FILTER_RX_MODE_PENDING, &vf->filter_state); - set_bit(RAMROD_RX, &ramrod->ramrod_flags); - set_bit(RAMROD_TX, &ramrod->ramrod_flags); - - ramrod->rdata = - bnx2x_vf_sp(bp, vf, rx_mode_rdata.e2); - ramrod->rdata_mapping = - bnx2x_vf_sp_map(bp, vf, rx_mode_rdata.e2); + bnx2x_vf_prep_rx_mode(bp, qid, ramrod, vf, accept_flags); bnx2x_vfop_opset(BNX2X_VFOP_RXMODE_CONFIG, bnx2x_vfop_rxmode, cmd->done); @@ -3202,13 +3211,16 @@ int bnx2x_enable_sriov(struct bnx2x *bp) bnx2x_iov_static_resc(bp, vf); } - /* prepare msix vectors in VF configuration space */ + /* prepare msix vectors in VF configuration space - the value in the + * PCI configuration space should be the index of the last entry, + * namely one less than the actual size of the table + */ for (vf_idx = first_vf; vf_idx < first_vf + req_vfs; vf_idx++) { bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf_idx)); REG_WR(bp, PCICFG_OFFSET + GRC_CONFIG_REG_VF_MSIX_CONTROL, - num_vf_queues); + num_vf_queues - 1); DP(BNX2X_MSG_IOV, "set msix vec num in VF %d cfg space to %d\n", - vf_idx, num_vf_queues); + vf_idx, num_vf_queues - 1); } bnx2x_pretend_func(bp, BP_ABS_FUNC(bp)); @@ -3436,10 +3448,18 @@ out: int bnx2x_set_vf_vlan(struct net_device *dev, int vfidx, u16 vlan, u8 qos) { + struct bnx2x_queue_state_params q_params = {NULL}; + struct bnx2x_vlan_mac_ramrod_params ramrod_param; + struct bnx2x_queue_update_params *update_params; + struct pf_vf_bulletin_content *bulletin = NULL; + struct bnx2x_rx_mode_ramrod_params rx_ramrod; struct bnx2x *bp = netdev_priv(dev); - int rc, q_logical_state; + struct bnx2x_vlan_mac_obj *vlan_obj; + unsigned long vlan_mac_flags = 0; + unsigned long ramrod_flags = 0; struct bnx2x_virtf *vf = NULL; - struct pf_vf_bulletin_content *bulletin = NULL; + unsigned long accept_flags; + int rc; /* sanity and init */ rc = bnx2x_vf_ndo_prep(bp, vfidx, &vf, &bulletin); @@ -3457,104 +3477,118 @@ int bnx2x_set_vf_vlan(struct net_device *dev, int vfidx, u16 vlan, u8 qos) /* update PF's copy of the VF's bulletin. No point in posting the vlan * to the VF since it doesn't have anything to do with it. But it useful * to store it here in case the VF is not up yet and we can only - * configure the vlan later when it does. + * configure the vlan later when it does. Treat vlan id 0 as remove the + * Host tag. */ - bulletin->valid_bitmap |= 1 << VLAN_VALID; + if (vlan > 0) + bulletin->valid_bitmap |= 1 << VLAN_VALID; + else + bulletin->valid_bitmap &= ~(1 << VLAN_VALID); bulletin->vlan = vlan; /* is vf initialized and queue set up? */ - q_logical_state = - bnx2x_get_q_logical_state(bp, &bnx2x_leading_vfq(vf, sp_obj)); - if (vf->state == VF_ENABLED && - q_logical_state == BNX2X_Q_LOGICAL_STATE_ACTIVE) { - /* configure the vlan in device on this vf's queue */ - unsigned long ramrod_flags = 0; - unsigned long vlan_mac_flags = 0; - struct bnx2x_vlan_mac_obj *vlan_obj = - &bnx2x_leading_vfq(vf, vlan_obj); - struct bnx2x_vlan_mac_ramrod_params ramrod_param; - struct bnx2x_queue_state_params q_params = {NULL}; - struct bnx2x_queue_update_params *update_params; + if (vf->state != VF_ENABLED || + bnx2x_get_q_logical_state(bp, &bnx2x_leading_vfq(vf, sp_obj)) != + BNX2X_Q_LOGICAL_STATE_ACTIVE) + return rc; - rc = validate_vlan_mac(bp, &bnx2x_leading_vfq(vf, mac_obj)); - if (rc) - return rc; - memset(&ramrod_param, 0, sizeof(ramrod_param)); + /* configure the vlan in device on this vf's queue */ + vlan_obj = &bnx2x_leading_vfq(vf, vlan_obj); + rc = validate_vlan_mac(bp, &bnx2x_leading_vfq(vf, mac_obj)); + if (rc) + return rc; - /* must lock vfpf channel to protect against vf flows */ - bnx2x_lock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_SET_VLAN); + /* must lock vfpf channel to protect against vf flows */ + bnx2x_lock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_SET_VLAN); - /* remove existing vlans */ - __set_bit(RAMROD_COMP_WAIT, &ramrod_flags); - rc = vlan_obj->delete_all(bp, vlan_obj, &vlan_mac_flags, - &ramrod_flags); - if (rc) { - BNX2X_ERR("failed to delete vlans\n"); - rc = -EINVAL; - goto out; - } + /* remove existing vlans */ + __set_bit(RAMROD_COMP_WAIT, &ramrod_flags); + rc = vlan_obj->delete_all(bp, vlan_obj, &vlan_mac_flags, + &ramrod_flags); + if (rc) { + BNX2X_ERR("failed to delete vlans\n"); + rc = -EINVAL; + goto out; + } + + /* need to remove/add the VF's accept_any_vlan bit */ + accept_flags = bnx2x_leading_vfq(vf, accept_flags); + if (vlan) + clear_bit(BNX2X_ACCEPT_ANY_VLAN, &accept_flags); + else + set_bit(BNX2X_ACCEPT_ANY_VLAN, &accept_flags); + + bnx2x_vf_prep_rx_mode(bp, LEADING_IDX, &rx_ramrod, vf, + accept_flags); + bnx2x_leading_vfq(vf, accept_flags) = accept_flags; + bnx2x_config_rx_mode(bp, &rx_ramrod); + + /* configure the new vlan to device */ + memset(&ramrod_param, 0, sizeof(ramrod_param)); + __set_bit(RAMROD_COMP_WAIT, &ramrod_flags); + ramrod_param.vlan_mac_obj = vlan_obj; + ramrod_param.ramrod_flags = ramrod_flags; + set_bit(BNX2X_DONT_CONSUME_CAM_CREDIT, + &ramrod_param.user_req.vlan_mac_flags); + ramrod_param.user_req.u.vlan.vlan = vlan; + ramrod_param.user_req.cmd = BNX2X_VLAN_MAC_ADD; + rc = bnx2x_config_vlan_mac(bp, &ramrod_param); + if (rc) { + BNX2X_ERR("failed to configure vlan\n"); + rc = -EINVAL; + goto out; + } - /* send queue update ramrod to configure default vlan and silent - * vlan removal + /* send queue update ramrod to configure default vlan and silent + * vlan removal + */ + __set_bit(RAMROD_COMP_WAIT, &q_params.ramrod_flags); + q_params.cmd = BNX2X_Q_CMD_UPDATE; + q_params.q_obj = &bnx2x_leading_vfq(vf, sp_obj); + update_params = &q_params.params.update; + __set_bit(BNX2X_Q_UPDATE_DEF_VLAN_EN_CHNG, + &update_params->update_flags); + __set_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM_CHNG, + &update_params->update_flags); + if (vlan == 0) { + /* if vlan is 0 then we want to leave the VF traffic + * untagged, and leave the incoming traffic untouched + * (i.e. do not remove any vlan tags). */ - __set_bit(RAMROD_COMP_WAIT, &q_params.ramrod_flags); - q_params.cmd = BNX2X_Q_CMD_UPDATE; - q_params.q_obj = &bnx2x_leading_vfq(vf, sp_obj); - update_params = &q_params.params.update; - __set_bit(BNX2X_Q_UPDATE_DEF_VLAN_EN_CHNG, + __clear_bit(BNX2X_Q_UPDATE_DEF_VLAN_EN, + &update_params->update_flags); + __clear_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM, + &update_params->update_flags); + } else { + /* configure default vlan to vf queue and set silent + * vlan removal (the vf remains unaware of this vlan). + */ + __set_bit(BNX2X_Q_UPDATE_DEF_VLAN_EN, &update_params->update_flags); - __set_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM_CHNG, + __set_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM, &update_params->update_flags); + update_params->def_vlan = vlan; + update_params->silent_removal_value = + vlan & VLAN_VID_MASK; + update_params->silent_removal_mask = VLAN_VID_MASK; + } - if (vlan == 0) { - /* if vlan is 0 then we want to leave the VF traffic - * untagged, and leave the incoming traffic untouched - * (i.e. do not remove any vlan tags). - */ - __clear_bit(BNX2X_Q_UPDATE_DEF_VLAN_EN, - &update_params->update_flags); - __clear_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM, - &update_params->update_flags); - } else { - /* configure the new vlan to device */ - __set_bit(RAMROD_COMP_WAIT, &ramrod_flags); - ramrod_param.vlan_mac_obj = vlan_obj; - ramrod_param.ramrod_flags = ramrod_flags; - ramrod_param.user_req.u.vlan.vlan = vlan; - ramrod_param.user_req.cmd = BNX2X_VLAN_MAC_ADD; - rc = bnx2x_config_vlan_mac(bp, &ramrod_param); - if (rc) { - BNX2X_ERR("failed to configure vlan\n"); - rc = -EINVAL; - goto out; - } - - /* configure default vlan to vf queue and set silent - * vlan removal (the vf remains unaware of this vlan). - */ - update_params = &q_params.params.update; - __set_bit(BNX2X_Q_UPDATE_DEF_VLAN_EN, - &update_params->update_flags); - __set_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM, - &update_params->update_flags); - update_params->def_vlan = vlan; - } + /* Update the Queue state */ + rc = bnx2x_queue_state_change(bp, &q_params); + if (rc) { + BNX2X_ERR("Failed to configure default VLAN\n"); + goto out; + } - /* Update the Queue state */ - rc = bnx2x_queue_state_change(bp, &q_params); - if (rc) { - BNX2X_ERR("Failed to configure default VLAN\n"); - goto out; - } - /* clear the flag indicating that this VF needs its vlan - * (will only be set if the HV configured the Vlan before vf was - * up and we were called because the VF came up later - */ + /* clear the flag indicating that this VF needs its vlan + * (will only be set if the HV configured the Vlan before vf was + * up and we were called because the VF came up later + */ out: - vf->cfg_flags &= ~VF_CFG_VLAN; - bnx2x_unlock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_SET_VLAN); - } + vf->cfg_flags &= ~VF_CFG_VLAN; + bnx2x_unlock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_SET_VLAN); + return rc; } diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.h index 1ff6a9366629..8c213fa52174 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.h +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.h @@ -74,6 +74,7 @@ struct bnx2x_vf_queue { /* VLANs object */ struct bnx2x_vlan_mac_obj vlan_obj; atomic_t vlan_count; /* 0 means vlan-0 is set ~ untagged */ + unsigned long accept_flags; /* last accept flags configured */ /* Queue Slow-path State object */ struct bnx2x_queue_sp_obj sp_obj; diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c index efa8a151d789..0756d7dabdd5 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c @@ -208,7 +208,7 @@ static int bnx2x_get_vf_id(struct bnx2x *bp, u32 *vf_id) return -EINVAL; } - BNX2X_ERR("valid ME register value: 0x%08x\n", me_reg); + DP(BNX2X_MSG_IOV, "valid ME register value: 0x%08x\n", me_reg); *vf_id = (me_reg & ME_REG_VF_NUM_MASK) >> ME_REG_VF_NUM_SHIFT; @@ -1598,6 +1598,8 @@ static void bnx2x_vfop_mbx_qfilters(struct bnx2x *bp, struct bnx2x_virtf *vf) if (msg->flags & VFPF_SET_Q_FILTERS_RX_MASK_CHANGED) { unsigned long accept = 0; + struct pf_vf_bulletin_content *bulletin = + BP_VF_BULLETIN(bp, vf->index); /* covert VF-PF if mask to bnx2x accept flags */ if (msg->rx_mask & VFPF_RX_MASK_ACCEPT_MATCHED_UNICAST) @@ -1617,9 +1619,11 @@ static void bnx2x_vfop_mbx_qfilters(struct bnx2x *bp, struct bnx2x_virtf *vf) __set_bit(BNX2X_ACCEPT_BROADCAST, &accept); /* A packet arriving the vf's mac should be accepted - * with any vlan + * with any vlan, unless a vlan has already been + * configured. */ - __set_bit(BNX2X_ACCEPT_ANY_VLAN, &accept); + if (!(bulletin->valid_bitmap & (1 << VLAN_VALID))) + __set_bit(BNX2X_ACCEPT_ANY_VLAN, &accept); /* set rx-mode */ rc = bnx2x_vfop_rxmode_cmd(bp, vf, &cmd, @@ -1710,6 +1714,21 @@ static void bnx2x_vf_mbx_set_q_filters(struct bnx2x *bp, goto response; } } + /* if vlan was set by hypervisor we don't allow guest to config vlan */ + if (bulletin->valid_bitmap & 1 << VLAN_VALID) { + int i; + + /* search for vlan filters */ + for (i = 0; i < filters->n_mac_vlan_filters; i++) { + if (filters->filters[i].flags & + VFPF_Q_FILTER_VLAN_TAG_VALID) { + BNX2X_ERR("VF[%d] attempted to configure vlan but one was already set by Hypervisor. Aborting request\n", + vf->abs_vfid); + vf->op_rc = -EPERM; + goto response; + } + } + } /* verify vf_qid */ if (filters->vf_qid > vf_rxq_count(vf)) @@ -1805,6 +1824,9 @@ static void bnx2x_vf_mbx_update_rss(struct bnx2x *bp, struct bnx2x_virtf *vf, vf_op_params->rss_result_mask = rss_tlv->rss_result_mask; /* flags handled individually for backward/forward compatability */ + vf_op_params->rss_flags = 0; + vf_op_params->ramrod_flags = 0; + if (rss_tlv->rss_flags & VFPF_RSS_MODE_DISABLED) __set_bit(BNX2X_RSS_MODE_DISABLED, &vf_op_params->rss_flags); if (rss_tlv->rss_flags & VFPF_RSS_MODE_REGULAR) diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c index f3dd93b4aeaa..15a66e4b1f57 100644 --- a/drivers/net/ethernet/broadcom/tg3.c +++ b/drivers/net/ethernet/broadcom/tg3.c @@ -7622,7 +7622,7 @@ static inline int tg3_4g_overflow_test(dma_addr_t mapping, int len) { u32 base = (u32) mapping & 0xffffffff; - return (base > 0xffffdcc0) && (base + len + 8 < base); + return base + len + 8 < base; } /* Test for TSO DMA buffers that cross into regions which are within MSS bytes diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h index 6c9308850453..56e0415f8cdf 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h @@ -228,6 +228,25 @@ struct tp_params { uint32_t dack_re; /* DACK timer resolution */ unsigned short tx_modq[NCHAN]; /* channel to modulation queue map */ + + u32 vlan_pri_map; /* cached TP_VLAN_PRI_MAP */ + u32 ingress_config; /* cached TP_INGRESS_CONFIG */ + + /* TP_VLAN_PRI_MAP Compressed Filter Tuple field offsets. This is a + * subset of the set of fields which may be present in the Compressed + * Filter Tuple portion of filters and TCP TCB connections. The + * fields which are present are controlled by the TP_VLAN_PRI_MAP. + * Since a variable number of fields may or may not be present, their + * shifted field positions within the Compressed Filter Tuple may + * vary, or not even be present if the field isn't selected in + * TP_VLAN_PRI_MAP. Since some of these fields are needed in various + * places we store their offsets here, or a -1 if the field isn't + * present. + */ + int vlan_shift; + int vnic_shift; + int port_shift; + int protocol_shift; }; struct vpd_params { @@ -926,6 +945,8 @@ int t4_prep_fw(struct adapter *adap, struct fw_info *fw_info, const u8 *fw_data, unsigned int fw_size, struct fw_hdr *card_fw, enum dev_state state, int *reset); int t4_prep_adapter(struct adapter *adapter); +int t4_init_tp_params(struct adapter *adap); +int t4_filter_field_shift(const struct adapter *adap, int filter_sel); int t4_port_init(struct adapter *adap, int mbox, int pf, int vf); void t4_fatal_err(struct adapter *adapter); int t4_config_rss_range(struct adapter *adapter, int mbox, unsigned int viid, diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c index d6b12e035a7d..fff02ed1295e 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c @@ -2986,7 +2986,14 @@ int cxgb4_alloc_stid(struct tid_info *t, int family, void *data) if (stid >= 0) { t->stid_tab[stid].data = data; stid += t->stid_base; - t->stids_in_use++; + /* IPv6 requires max of 520 bits or 16 cells in TCAM + * This is equivalent to 4 TIDs. With CLIP enabled it + * needs 2 TIDs. + */ + if (family == PF_INET) + t->stids_in_use++; + else + t->stids_in_use += 4; } spin_unlock_bh(&t->stid_lock); return stid; @@ -3012,7 +3019,8 @@ int cxgb4_alloc_sftid(struct tid_info *t, int family, void *data) } if (stid >= 0) { t->stid_tab[stid].data = data; - stid += t->stid_base; + stid -= t->nstids; + stid += t->sftid_base; t->stids_in_use++; } spin_unlock_bh(&t->stid_lock); @@ -3024,14 +3032,24 @@ EXPORT_SYMBOL(cxgb4_alloc_sftid); */ void cxgb4_free_stid(struct tid_info *t, unsigned int stid, int family) { - stid -= t->stid_base; + /* Is it a server filter TID? */ + if (t->nsftids && (stid >= t->sftid_base)) { + stid -= t->sftid_base; + stid += t->nstids; + } else { + stid -= t->stid_base; + } + spin_lock_bh(&t->stid_lock); if (family == PF_INET) __clear_bit(stid, t->stid_bmap); else bitmap_release_region(t->stid_bmap, stid, 2); t->stid_tab[stid].data = NULL; - t->stids_in_use--; + if (family == PF_INET) + t->stids_in_use--; + else + t->stids_in_use -= 4; spin_unlock_bh(&t->stid_lock); } EXPORT_SYMBOL(cxgb4_free_stid); @@ -3134,6 +3152,7 @@ static int tid_init(struct tid_info *t) size_t size; unsigned int stid_bmap_size; unsigned int natids = t->natids; + struct adapter *adap = container_of(t, struct adapter, tids); stid_bmap_size = BITS_TO_LONGS(t->nstids + t->nsftids); size = t->ntids * sizeof(*t->tid_tab) + @@ -3167,6 +3186,11 @@ static int tid_init(struct tid_info *t) t->afree = t->atid_tab; } bitmap_zero(t->stid_bmap, t->nstids + t->nsftids); + /* Reserve stid 0 for T4/T5 adapters */ + if (!t->stid_base && + (is_t4(adap->params.chip) || is_t5(adap->params.chip))) + __set_bit(0, t->stid_bmap); + return 0; } @@ -3731,7 +3755,7 @@ static void uld_attach(struct adapter *adap, unsigned int uld) lli.ucq_density = 1 << QUEUESPERPAGEPF0_GET( t4_read_reg(adap, SGE_INGRESS_QUEUES_PER_PAGE_PF) >> (adap->fn * 4)); - lli.filt_mode = adap->filter_mode; + lli.filt_mode = adap->params.tp.vlan_pri_map; /* MODQ_REQ_MAP sets queues 0-3 to chan 0-3 */ for (i = 0; i < NCHAN; i++) lli.tx_modq[i] = i; @@ -4179,7 +4203,7 @@ int cxgb4_create_server_filter(const struct net_device *dev, unsigned int stid, adap = netdev2adap(dev); /* Adjust stid to correct filter index */ - stid -= adap->tids.nstids; + stid -= adap->tids.sftid_base; stid += adap->tids.nftids; /* Check to make sure the filter requested is writable ... @@ -4205,12 +4229,17 @@ int cxgb4_create_server_filter(const struct net_device *dev, unsigned int stid, f->fs.val.lip[i] = val[i]; f->fs.mask.lip[i] = ~0; } - if (adap->filter_mode & F_PORT) { + if (adap->params.tp.vlan_pri_map & F_PORT) { f->fs.val.iport = port; f->fs.mask.iport = mask; } } + if (adap->params.tp.vlan_pri_map & F_PROTOCOL) { + f->fs.val.proto = IPPROTO_TCP; + f->fs.mask.proto = ~0; + } + f->fs.dirsteer = 1; f->fs.iq = queue; /* Mark filter as locked */ @@ -4237,7 +4266,7 @@ int cxgb4_remove_server_filter(const struct net_device *dev, unsigned int stid, adap = netdev2adap(dev); /* Adjust stid to correct filter index */ - stid -= adap->tids.nstids; + stid -= adap->tids.sftid_base; stid += adap->tids.nftids; f = &adap->tids.ftid_tab[stid]; @@ -5092,7 +5121,7 @@ static int adap_init0(struct adapter *adap) enum dev_state state; u32 params[7], val[7]; struct fw_caps_config_cmd caps_cmd; - int reset = 1, j; + int reset = 1; /* * Contact FW, advertising Master capability (and potentially forcing @@ -5434,21 +5463,11 @@ static int adap_init0(struct adapter *adap) /* * These are finalized by FW initialization, load their values now. */ - v = t4_read_reg(adap, TP_TIMER_RESOLUTION); - adap->params.tp.tre = TIMERRESOLUTION_GET(v); - adap->params.tp.dack_re = DELAYEDACKRESOLUTION_GET(v); t4_read_mtu_tbl(adap, adap->params.mtus, NULL); t4_load_mtus(adap, adap->params.mtus, adap->params.a_wnd, adap->params.b_wnd); - /* MODQ_REQ_MAP defaults to setting queues 0-3 to chan 0-3 */ - for (j = 0; j < NCHAN; j++) - adap->params.tp.tx_modq[j] = j; - - t4_read_indirect(adap, TP_PIO_ADDR, TP_PIO_DATA, - &adap->filter_mode, 1, - TP_VLAN_PRI_MAP); - + t4_init_tp_params(adap); adap->flags |= FW_OK; return 0; diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h index 6f21f2451c30..4dd0a82533e4 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h @@ -131,7 +131,14 @@ static inline void *lookup_atid(const struct tid_info *t, unsigned int atid) static inline void *lookup_stid(const struct tid_info *t, unsigned int stid) { - stid -= t->stid_base; + /* Is it a server filter TID? */ + if (t->nsftids && (stid >= t->sftid_base)) { + stid -= t->sftid_base; + stid += t->nstids; + } else { + stid -= t->stid_base; + } + return stid < (t->nstids + t->nsftids) ? t->stid_tab[stid].data : NULL; } diff --git a/drivers/net/ethernet/chelsio/cxgb4/l2t.c b/drivers/net/ethernet/chelsio/cxgb4/l2t.c index 29878098101e..cb05be905def 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/l2t.c +++ b/drivers/net/ethernet/chelsio/cxgb4/l2t.c @@ -45,6 +45,7 @@ #include "l2t.h" #include "t4_msg.h" #include "t4fw_api.h" +#include "t4_regs.h" #define VLAN_NONE 0xfff @@ -411,6 +412,40 @@ done: } EXPORT_SYMBOL(cxgb4_l2t_get); +u64 cxgb4_select_ntuple(struct net_device *dev, + const struct l2t_entry *l2t) +{ + struct adapter *adap = netdev2adap(dev); + struct tp_params *tp = &adap->params.tp; + u64 ntuple = 0; + + /* Initialize each of the fields which we care about which are present + * in the Compressed Filter Tuple. + */ + if (tp->vlan_shift >= 0 && l2t->vlan != VLAN_NONE) + ntuple |= (F_FT_VLAN_VLD | l2t->vlan) << tp->vlan_shift; + + if (tp->port_shift >= 0) + ntuple |= (u64)l2t->lport << tp->port_shift; + + if (tp->protocol_shift >= 0) + ntuple |= (u64)IPPROTO_TCP << tp->protocol_shift; + + if (tp->vnic_shift >= 0) { + u32 viid = cxgb4_port_viid(dev); + u32 vf = FW_VIID_VIN_GET(viid); + u32 pf = FW_VIID_PFN_GET(viid); + u32 vld = FW_VIID_VIVLD_GET(viid); + + ntuple |= (u64)(V_FT_VNID_ID_VF(vf) | + V_FT_VNID_ID_PF(pf) | + V_FT_VNID_ID_VLD(vld)) << tp->vnic_shift; + } + + return ntuple; +} +EXPORT_SYMBOL(cxgb4_select_ntuple); + /* * Called when address resolution fails for an L2T entry to handle packets * on the arpq head. If a packet specifies a failure handler it is invoked, diff --git a/drivers/net/ethernet/chelsio/cxgb4/l2t.h b/drivers/net/ethernet/chelsio/cxgb4/l2t.h index 108c0f1fce1c..85eb5c71358d 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/l2t.h +++ b/drivers/net/ethernet/chelsio/cxgb4/l2t.h @@ -98,7 +98,8 @@ int cxgb4_l2t_send(struct net_device *dev, struct sk_buff *skb, struct l2t_entry *cxgb4_l2t_get(struct l2t_data *d, struct neighbour *neigh, const struct net_device *physdev, unsigned int priority); - +u64 cxgb4_select_ntuple(struct net_device *dev, + const struct l2t_entry *l2t); void t4_l2t_update(struct adapter *adap, struct neighbour *neigh); struct l2t_entry *t4_l2t_alloc_switching(struct l2t_data *d); int t4_l2t_set_switching(struct adapter *adap, struct l2t_entry *e, u16 vlan, diff --git a/drivers/net/ethernet/chelsio/cxgb4/sge.c b/drivers/net/ethernet/chelsio/cxgb4/sge.c index cc380c36e1a8..cc3511a5cd0c 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/sge.c +++ b/drivers/net/ethernet/chelsio/cxgb4/sge.c @@ -2581,7 +2581,7 @@ static int t4_sge_init_soft(struct adapter *adap) #undef READ_FL_BUF if (fl_small_pg != PAGE_SIZE || - (fl_large_pg != 0 && (fl_large_pg <= fl_small_pg || + (fl_large_pg != 0 && (fl_large_pg < fl_small_pg || (fl_large_pg & (fl_large_pg-1)) != 0))) { dev_err(adap->pdev_dev, "bad SGE FL page buffer sizes [%d, %d]\n", fl_small_pg, fl_large_pg); diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c index 74a6fce5a15a..e1413eacdbd2 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c +++ b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c @@ -3808,6 +3808,109 @@ int t4_prep_adapter(struct adapter *adapter) return 0; } +/** + * t4_init_tp_params - initialize adap->params.tp + * @adap: the adapter + * + * Initialize various fields of the adapter's TP Parameters structure. + */ +int t4_init_tp_params(struct adapter *adap) +{ + int chan; + u32 v; + + v = t4_read_reg(adap, TP_TIMER_RESOLUTION); + adap->params.tp.tre = TIMERRESOLUTION_GET(v); + adap->params.tp.dack_re = DELAYEDACKRESOLUTION_GET(v); + + /* MODQ_REQ_MAP defaults to setting queues 0-3 to chan 0-3 */ + for (chan = 0; chan < NCHAN; chan++) + adap->params.tp.tx_modq[chan] = chan; + + /* Cache the adapter's Compressed Filter Mode and global Incress + * Configuration. + */ + t4_read_indirect(adap, TP_PIO_ADDR, TP_PIO_DATA, + &adap->params.tp.vlan_pri_map, 1, + TP_VLAN_PRI_MAP); + t4_read_indirect(adap, TP_PIO_ADDR, TP_PIO_DATA, + &adap->params.tp.ingress_config, 1, + TP_INGRESS_CONFIG); + + /* Now that we have TP_VLAN_PRI_MAP cached, we can calculate the field + * shift positions of several elements of the Compressed Filter Tuple + * for this adapter which we need frequently ... + */ + adap->params.tp.vlan_shift = t4_filter_field_shift(adap, F_VLAN); + adap->params.tp.vnic_shift = t4_filter_field_shift(adap, F_VNIC_ID); + adap->params.tp.port_shift = t4_filter_field_shift(adap, F_PORT); + adap->params.tp.protocol_shift = t4_filter_field_shift(adap, + F_PROTOCOL); + + /* If TP_INGRESS_CONFIG.VNID == 0, then TP_VLAN_PRI_MAP.VNIC_ID + * represents the presense of an Outer VLAN instead of a VNIC ID. + */ + if ((adap->params.tp.ingress_config & F_VNIC) == 0) + adap->params.tp.vnic_shift = -1; + + return 0; +} + +/** + * t4_filter_field_shift - calculate filter field shift + * @adap: the adapter + * @filter_sel: the desired field (from TP_VLAN_PRI_MAP bits) + * + * Return the shift position of a filter field within the Compressed + * Filter Tuple. The filter field is specified via its selection bit + * within TP_VLAN_PRI_MAL (filter mode). E.g. F_VLAN. + */ +int t4_filter_field_shift(const struct adapter *adap, int filter_sel) +{ + unsigned int filter_mode = adap->params.tp.vlan_pri_map; + unsigned int sel; + int field_shift; + + if ((filter_mode & filter_sel) == 0) + return -1; + + for (sel = 1, field_shift = 0; sel < filter_sel; sel <<= 1) { + switch (filter_mode & sel) { + case F_FCOE: + field_shift += W_FT_FCOE; + break; + case F_PORT: + field_shift += W_FT_PORT; + break; + case F_VNIC_ID: + field_shift += W_FT_VNIC_ID; + break; + case F_VLAN: + field_shift += W_FT_VLAN; + break; + case F_TOS: + field_shift += W_FT_TOS; + break; + case F_PROTOCOL: + field_shift += W_FT_PROTOCOL; + break; + case F_ETHERTYPE: + field_shift += W_FT_ETHERTYPE; + break; + case F_MACMATCH: + field_shift += W_FT_MACMATCH; + break; + case F_MPSHITTYPE: + field_shift += W_FT_MPSHITTYPE; + break; + case F_FRAGMENTATION: + field_shift += W_FT_FRAGMENTATION; + break; + } + } + return field_shift; +} + int t4_port_init(struct adapter *adap, int mbox, int pf, int vf) { u8 addr[6]; diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_regs.h b/drivers/net/ethernet/chelsio/cxgb4/t4_regs.h index 0a8205d69d2c..4082522d8140 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/t4_regs.h +++ b/drivers/net/ethernet/chelsio/cxgb4/t4_regs.h @@ -1171,10 +1171,50 @@ #define A_TP_TX_SCHED_PCMD 0x25 +#define S_VNIC 11 +#define V_VNIC(x) ((x) << S_VNIC) +#define F_VNIC V_VNIC(1U) + +#define S_FRAGMENTATION 9 +#define V_FRAGMENTATION(x) ((x) << S_FRAGMENTATION) +#define F_FRAGMENTATION V_FRAGMENTATION(1U) + +#define S_MPSHITTYPE 8 +#define V_MPSHITTYPE(x) ((x) << S_MPSHITTYPE) +#define F_MPSHITTYPE V_MPSHITTYPE(1U) + +#define S_MACMATCH 7 +#define V_MACMATCH(x) ((x) << S_MACMATCH) +#define F_MACMATCH V_MACMATCH(1U) + +#define S_ETHERTYPE 6 +#define V_ETHERTYPE(x) ((x) << S_ETHERTYPE) +#define F_ETHERTYPE V_ETHERTYPE(1U) + +#define S_PROTOCOL 5 +#define V_PROTOCOL(x) ((x) << S_PROTOCOL) +#define F_PROTOCOL V_PROTOCOL(1U) + +#define S_TOS 4 +#define V_TOS(x) ((x) << S_TOS) +#define F_TOS V_TOS(1U) + +#define S_VLAN 3 +#define V_VLAN(x) ((x) << S_VLAN) +#define F_VLAN V_VLAN(1U) + +#define S_VNIC_ID 2 +#define V_VNIC_ID(x) ((x) << S_VNIC_ID) +#define F_VNIC_ID V_VNIC_ID(1U) + #define S_PORT 1 #define V_PORT(x) ((x) << S_PORT) #define F_PORT V_PORT(1U) +#define S_FCOE 0 +#define V_FCOE(x) ((x) << S_FCOE) +#define F_FCOE V_FCOE(1U) + #define NUM_MPS_CLS_SRAM_L_INSTANCES 336 #define NUM_MPS_T5_CLS_SRAM_L_INSTANCES 512 @@ -1213,4 +1253,37 @@ #define V_CHIPID(x) ((x) << S_CHIPID) #define G_CHIPID(x) (((x) >> S_CHIPID) & M_CHIPID) +/* TP_VLAN_PRI_MAP controls which subset of fields will be present in the + * Compressed Filter Tuple for LE filters. Each bit set in TP_VLAN_PRI_MAP + * selects for a particular field being present. These fields, when present + * in the Compressed Filter Tuple, have the following widths in bits. + */ +#define W_FT_FCOE 1 +#define W_FT_PORT 3 +#define W_FT_VNIC_ID 17 +#define W_FT_VLAN 17 +#define W_FT_TOS 8 +#define W_FT_PROTOCOL 8 +#define W_FT_ETHERTYPE 16 +#define W_FT_MACMATCH 9 +#define W_FT_MPSHITTYPE 3 +#define W_FT_FRAGMENTATION 1 + +/* Some of the Compressed Filter Tuple fields have internal structure. These + * bit shifts/masks describe those structures. All shifts are relative to the + * base position of the fields within the Compressed Filter Tuple + */ +#define S_FT_VLAN_VLD 16 +#define V_FT_VLAN_VLD(x) ((x) << S_FT_VLAN_VLD) +#define F_FT_VLAN_VLD V_FT_VLAN_VLD(1U) + +#define S_FT_VNID_ID_VF 0 +#define V_FT_VNID_ID_VF(x) ((x) << S_FT_VNID_ID_VF) + +#define S_FT_VNID_ID_PF 7 +#define V_FT_VNID_ID_PF(x) ((x) << S_FT_VNID_ID_PF) + +#define S_FT_VNID_ID_VLD 16 +#define V_FT_VNID_ID_VLD(x) ((x) << S_FT_VNID_ID_VLD) + #endif /* __T4_REGS_H */ diff --git a/drivers/net/ethernet/emulex/benet/be.h b/drivers/net/ethernet/emulex/benet/be.h index 5878df619b53..4ccaf9af6fc9 100644 --- a/drivers/net/ethernet/emulex/benet/be.h +++ b/drivers/net/ethernet/emulex/benet/be.h @@ -104,6 +104,7 @@ static inline char *nic_name(struct pci_dev *pdev) #define BE3_MAX_RSS_QS 16 #define BE3_MAX_TX_QS 16 #define BE3_MAX_EVT_QS 16 +#define BE3_SRIOV_MAX_EVT_QS 8 #define MAX_RX_QS 32 #define MAX_EVT_QS 32 @@ -480,7 +481,7 @@ struct be_adapter { struct list_head entry; u32 flash_status; - struct completion flash_compl; + struct completion et_cmd_compl; struct be_resources res; /* resources available for the func */ u16 num_vfs; /* Number of VFs provisioned by PF */ diff --git a/drivers/net/ethernet/emulex/benet/be_cmds.c b/drivers/net/ethernet/emulex/benet/be_cmds.c index e0e8bc1ef14c..94c35c8d799d 100644 --- a/drivers/net/ethernet/emulex/benet/be_cmds.c +++ b/drivers/net/ethernet/emulex/benet/be_cmds.c @@ -141,11 +141,17 @@ static int be_mcc_compl_process(struct be_adapter *adapter, subsystem = resp_hdr->subsystem; } + if (opcode == OPCODE_LOWLEVEL_LOOPBACK_TEST && + subsystem == CMD_SUBSYSTEM_LOWLEVEL) { + complete(&adapter->et_cmd_compl); + return 0; + } + if (((opcode == OPCODE_COMMON_WRITE_FLASHROM) || (opcode == OPCODE_COMMON_WRITE_OBJECT)) && (subsystem == CMD_SUBSYSTEM_COMMON)) { adapter->flash_status = compl_status; - complete(&adapter->flash_compl); + complete(&adapter->et_cmd_compl); } if (compl_status == MCC_STATUS_SUCCESS) { @@ -2017,6 +2023,9 @@ int be_cmd_rss_config(struct be_adapter *adapter, u8 *rsstable, 0x3ea83c02, 0x4a110304}; int status; + if (!(be_if_cap_flags(adapter) & BE_IF_FLAGS_RSS)) + return 0; + if (mutex_lock_interruptible(&adapter->mbox_lock)) return -1; @@ -2160,7 +2169,7 @@ int lancer_cmd_write_object(struct be_adapter *adapter, struct be_dma_mem *cmd, be_mcc_notify(adapter); spin_unlock_bh(&adapter->mcc_lock); - if (!wait_for_completion_timeout(&adapter->flash_compl, + if (!wait_for_completion_timeout(&adapter->et_cmd_compl, msecs_to_jiffies(60000))) status = -1; else @@ -2255,8 +2264,8 @@ int be_cmd_write_flashrom(struct be_adapter *adapter, struct be_dma_mem *cmd, be_mcc_notify(adapter); spin_unlock_bh(&adapter->mcc_lock); - if (!wait_for_completion_timeout(&adapter->flash_compl, - msecs_to_jiffies(40000))) + if (!wait_for_completion_timeout(&adapter->et_cmd_compl, + msecs_to_jiffies(40000))) status = -1; else status = adapter->flash_status; @@ -2367,6 +2376,7 @@ int be_cmd_loopback_test(struct be_adapter *adapter, u32 port_num, { struct be_mcc_wrb *wrb; struct be_cmd_req_loopback_test *req; + struct be_cmd_resp_loopback_test *resp; int status; spin_lock_bh(&adapter->mcc_lock); @@ -2381,8 +2391,8 @@ int be_cmd_loopback_test(struct be_adapter *adapter, u32 port_num, be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_LOWLEVEL, OPCODE_LOWLEVEL_LOOPBACK_TEST, sizeof(*req), wrb, NULL); - req->hdr.timeout = cpu_to_le32(4); + req->hdr.timeout = cpu_to_le32(15); req->pattern = cpu_to_le64(pattern); req->src_port = cpu_to_le32(port_num); req->dest_port = cpu_to_le32(port_num); @@ -2390,12 +2400,15 @@ int be_cmd_loopback_test(struct be_adapter *adapter, u32 port_num, req->num_pkts = cpu_to_le32(num_pkts); req->loopback_type = cpu_to_le32(loopback_type); - status = be_mcc_notify_wait(adapter); - if (!status) { - struct be_cmd_resp_loopback_test *resp = embedded_payload(wrb); - status = le32_to_cpu(resp->status); - } + be_mcc_notify(adapter); + + spin_unlock_bh(&adapter->mcc_lock); + wait_for_completion(&adapter->et_cmd_compl); + resp = embedded_payload(wrb); + status = le32_to_cpu(resp->status); + + return status; err: spin_unlock_bh(&adapter->mcc_lock); return status; diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c index 0fde69d5cb6a..bf40fdaecfa3 100644 --- a/drivers/net/ethernet/emulex/benet/be_main.c +++ b/drivers/net/ethernet/emulex/benet/be_main.c @@ -2744,13 +2744,16 @@ static int be_rx_qs_create(struct be_adapter *adapter) if (!BEx_chip(adapter)) adapter->rss_flags |= RSS_ENABLE_UDP_IPV4 | RSS_ENABLE_UDP_IPV6; + } else { + /* Disable RSS, if only default RX Q is created */ + adapter->rss_flags = RSS_ENABLE_NONE; + } - rc = be_cmd_rss_config(adapter, rsstable, adapter->rss_flags, - 128); - if (rc) { - adapter->rss_flags = 0; - return rc; - } + rc = be_cmd_rss_config(adapter, rsstable, adapter->rss_flags, + 128); + if (rc) { + adapter->rss_flags = RSS_ENABLE_NONE; + return rc; } /* First time posting */ @@ -3124,11 +3127,11 @@ static void BEx_get_resources(struct be_adapter *adapter, { struct pci_dev *pdev = adapter->pdev; bool use_sriov = false; + int max_vfs; - if (BE3_chip(adapter) && sriov_want(adapter)) { - int max_vfs; + max_vfs = pci_sriov_get_totalvfs(pdev); - max_vfs = pci_sriov_get_totalvfs(pdev); + if (BE3_chip(adapter) && sriov_want(adapter)) { res->max_vfs = max_vfs > 0 ? min(MAX_VFS, max_vfs) : 0; use_sriov = res->max_vfs; } @@ -3159,7 +3162,11 @@ static void BEx_get_resources(struct be_adapter *adapter, BE3_MAX_RSS_QS : BE2_MAX_RSS_QS; res->max_rx_qs = res->max_rss_qs + 1; - res->max_evt_qs = be_physfn(adapter) ? BE3_MAX_EVT_QS : 1; + if (be_physfn(adapter)) + res->max_evt_qs = (max_vfs > 0) ? + BE3_SRIOV_MAX_EVT_QS : BE3_MAX_EVT_QS; + else + res->max_evt_qs = 1; res->if_cap_flags = BE_IF_CAP_FLAGS_WANT; if (!(adapter->function_caps & BE_FUNCTION_CAPS_RSS)) @@ -4205,7 +4212,7 @@ static int be_ctrl_init(struct be_adapter *adapter) spin_lock_init(&adapter->mcc_lock); spin_lock_init(&adapter->mcc_cq_lock); - init_completion(&adapter->flash_compl); + init_completion(&adapter->et_cmd_compl); pci_save_state(adapter->pdev); return 0; diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c index e7c8b749c5a5..50bb71c663e2 100644 --- a/drivers/net/ethernet/freescale/fec_main.c +++ b/drivers/net/ethernet/freescale/fec_main.c @@ -428,6 +428,8 @@ fec_enet_start_xmit(struct sk_buff *skb, struct net_device *ndev) /* If this was the last BD in the ring, start at the beginning again. */ bdp = fec_enet_get_nextdesc(bdp, fep); + skb_tx_timestamp(skb); + fep->cur_tx = bdp; if (fep->cur_tx == fep->dirty_tx) @@ -436,8 +438,6 @@ fec_enet_start_xmit(struct sk_buff *skb, struct net_device *ndev) /* Trigger transmission start */ writel(0, fep->hwp + FEC_X_DES_ACTIVE); - skb_tx_timestamp(skb); - return NETDEV_TX_OK; } diff --git a/drivers/net/ethernet/intel/e1000e/80003es2lan.c b/drivers/net/ethernet/intel/e1000e/80003es2lan.c index 895450e9bb3c..ff2d806eaef7 100644 --- a/drivers/net/ethernet/intel/e1000e/80003es2lan.c +++ b/drivers/net/ethernet/intel/e1000e/80003es2lan.c @@ -718,8 +718,11 @@ static s32 e1000_reset_hw_80003es2lan(struct e1000_hw *hw) e1000_release_phy_80003es2lan(hw); /* Disable IBIST slave mode (far-end loopback) */ - e1000_read_kmrn_reg_80003es2lan(hw, E1000_KMRNCTRLSTA_INBAND_PARAM, - &kum_reg_data); + ret_val = + e1000_read_kmrn_reg_80003es2lan(hw, E1000_KMRNCTRLSTA_INBAND_PARAM, + &kum_reg_data); + if (ret_val) + return ret_val; kum_reg_data |= E1000_KMRNCTRLSTA_IBIST_DISABLE; e1000_write_kmrn_reg_80003es2lan(hw, E1000_KMRNCTRLSTA_INBAND_PARAM, kum_reg_data); diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c index 8d3945ab7334..c30d41d6e426 100644 --- a/drivers/net/ethernet/intel/e1000e/netdev.c +++ b/drivers/net/ethernet/intel/e1000e/netdev.c @@ -6174,7 +6174,7 @@ static int __e1000_resume(struct pci_dev *pdev) return 0; } -#ifdef CONFIG_PM_SLEEP +#ifdef CONFIG_PM static int e1000_suspend(struct device *dev) { struct pci_dev *pdev = to_pci_dev(dev); @@ -6193,7 +6193,7 @@ static int e1000_resume(struct device *dev) return __e1000_resume(pdev); } -#endif /* CONFIG_PM_SLEEP */ +#endif /* CONFIG_PM */ #ifdef CONFIG_PM_RUNTIME static int e1000_runtime_suspend(struct device *dev) diff --git a/drivers/net/ethernet/intel/e1000e/phy.c b/drivers/net/ethernet/intel/e1000e/phy.c index da2be59505c0..20e71f4ca426 100644 --- a/drivers/net/ethernet/intel/e1000e/phy.c +++ b/drivers/net/ethernet/intel/e1000e/phy.c @@ -1757,19 +1757,23 @@ s32 e1000e_phy_has_link_generic(struct e1000_hw *hw, u32 iterations, * it across the board. */ ret_val = e1e_rphy(hw, MII_BMSR, &phy_status); - if (ret_val) + if (ret_val) { /* If the first read fails, another entity may have * ownership of the resources, wait and try again to * see if they have relinquished the resources yet. */ - udelay(usec_interval); + if (usec_interval >= 1000) + msleep(usec_interval / 1000); + else + udelay(usec_interval); + } ret_val = e1e_rphy(hw, MII_BMSR, &phy_status); if (ret_val) break; if (phy_status & BMSR_LSTATUS) break; if (usec_interval >= 1000) - mdelay(usec_interval / 1000); + msleep(usec_interval / 1000); else udelay(usec_interval); } diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c index cc06854296a3..5bcc870f8367 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c @@ -6827,12 +6827,20 @@ static inline int ixgbe_maybe_stop_tx(struct ixgbe_ring *tx_ring, u16 size) return __ixgbe_maybe_stop_tx(tx_ring, size); } -#ifdef IXGBE_FCOE -static u16 ixgbe_select_queue(struct net_device *dev, struct sk_buff *skb) +static u16 ixgbe_select_queue(struct net_device *dev, struct sk_buff *skb, + void *accel_priv) { + struct ixgbe_fwd_adapter *fwd_adapter = accel_priv; +#ifdef IXGBE_FCOE struct ixgbe_adapter *adapter; struct ixgbe_ring_feature *f; int txq; +#endif + + if (fwd_adapter) + return skb->queue_mapping + fwd_adapter->tx_base_queue; + +#ifdef IXGBE_FCOE /* * only execute the code below if protocol is FCoE @@ -6858,9 +6866,11 @@ static u16 ixgbe_select_queue(struct net_device *dev, struct sk_buff *skb) txq -= f->indices; return txq + f->offset; +#else + return __netdev_pick_tx(dev, skb); +#endif } -#endif netdev_tx_t ixgbe_xmit_frame_ring(struct sk_buff *skb, struct ixgbe_adapter *adapter, struct ixgbe_ring *tx_ring) @@ -7629,27 +7639,11 @@ static void ixgbe_fwd_del(struct net_device *pdev, void *priv) kfree(fwd_adapter); } -static netdev_tx_t ixgbe_fwd_xmit(struct sk_buff *skb, - struct net_device *dev, - void *priv) -{ - struct ixgbe_fwd_adapter *fwd_adapter = priv; - unsigned int queue; - struct ixgbe_ring *tx_ring; - - queue = skb->queue_mapping + fwd_adapter->tx_base_queue; - tx_ring = fwd_adapter->real_adapter->tx_ring[queue]; - - return __ixgbe_xmit_frame(skb, dev, tx_ring); -} - static const struct net_device_ops ixgbe_netdev_ops = { .ndo_open = ixgbe_open, .ndo_stop = ixgbe_close, .ndo_start_xmit = ixgbe_xmit_frame, -#ifdef IXGBE_FCOE .ndo_select_queue = ixgbe_select_queue, -#endif .ndo_set_rx_mode = ixgbe_set_rx_mode, .ndo_validate_addr = eth_validate_addr, .ndo_set_mac_address = ixgbe_set_mac, @@ -7689,7 +7683,6 @@ static const struct net_device_ops ixgbe_netdev_ops = { .ndo_bridge_getlink = ixgbe_ndo_bridge_getlink, .ndo_dfwd_add_station = ixgbe_fwd_add, .ndo_dfwd_del_station = ixgbe_fwd_del, - .ndo_dfwd_start_xmit = ixgbe_fwd_xmit, }; /** diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c index d6f0c0d8cf11..72084f70adbb 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c @@ -291,7 +291,9 @@ static int ixgbe_pci_sriov_disable(struct pci_dev *dev) { struct ixgbe_adapter *adapter = pci_get_drvdata(dev); int err; +#ifdef CONFIG_PCI_IOV u32 current_flags = adapter->flags; +#endif err = ixgbe_disable_sriov(adapter); diff --git a/drivers/net/ethernet/lantiq_etop.c b/drivers/net/ethernet/lantiq_etop.c index 6a6c1f76d8e0..ec94a20d7099 100644 --- a/drivers/net/ethernet/lantiq_etop.c +++ b/drivers/net/ethernet/lantiq_etop.c @@ -619,7 +619,8 @@ ltq_etop_set_multicast_list(struct net_device *dev) } static u16 -ltq_etop_select_queue(struct net_device *dev, struct sk_buff *skb) +ltq_etop_select_queue(struct net_device *dev, struct sk_buff *skb, + void *accel_priv) { /* we are currently only using the first queue */ return 0; diff --git a/drivers/net/ethernet/marvell/mvmdio.c b/drivers/net/ethernet/marvell/mvmdio.c index 7354960b583b..c4eeb69a5bee 100644 --- a/drivers/net/ethernet/marvell/mvmdio.c +++ b/drivers/net/ethernet/marvell/mvmdio.c @@ -92,6 +92,12 @@ static int orion_mdio_wait_ready(struct mii_bus *bus) if (time_is_before_jiffies(end)) ++timedout; } else { + /* wait_event_timeout does not guarantee a delay of at + * least one whole jiffie, so timeout must be no less + * than two. + */ + if (timeout < 2) + timeout = 2; wait_event_timeout(dev->smi_busy_wait, orion_mdio_smi_is_done(dev), timeout); diff --git a/drivers/net/ethernet/mellanox/mlx4/en_tx.c b/drivers/net/ethernet/mellanox/mlx4/en_tx.c index f54ebd5a1702..a7fcd593b2db 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_tx.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_tx.c @@ -592,7 +592,8 @@ static void build_inline_wqe(struct mlx4_en_tx_desc *tx_desc, struct sk_buff *sk } } -u16 mlx4_en_select_queue(struct net_device *dev, struct sk_buff *skb) +u16 mlx4_en_select_queue(struct net_device *dev, struct sk_buff *skb, + void *accel_priv) { struct mlx4_en_priv *priv = netdev_priv(dev); u16 rings_p_up = priv->num_tx_rings_p_up; diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h index f3758de59c05..d5758adceaa2 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h +++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h @@ -714,7 +714,8 @@ int mlx4_en_set_cq_moder(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq); int mlx4_en_arm_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq); void mlx4_en_tx_irq(struct mlx4_cq *mcq); -u16 mlx4_en_select_queue(struct net_device *dev, struct sk_buff *skb); +u16 mlx4_en_select_queue(struct net_device *dev, struct sk_buff *skb, + void *accel_priv); netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev); int mlx4_en_create_tx_ring(struct mlx4_en_priv *priv, diff --git a/drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c b/drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c index 7692dfd4f262..cc68657f0536 100644 --- a/drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c +++ b/drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c @@ -1604,13 +1604,13 @@ netxen_process_lro(struct netxen_adapter *adapter, u32 seq_number; u8 vhdr_len = 0; - if (unlikely(ring > adapter->max_rds_rings)) + if (unlikely(ring >= adapter->max_rds_rings)) return NULL; rds_ring = &recv_ctx->rds_rings[ring]; index = netxen_get_lro_sts_refhandle(sts_data0); - if (unlikely(index > rds_ring->num_desc)) + if (unlikely(index >= rds_ring->num_desc)) return NULL; buffer = &rds_ring->rx_buf_arr[index]; diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h b/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h index 631ea0ac1cd8..f2a7c7166e24 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h @@ -487,6 +487,7 @@ struct qlcnic_hardware_context { struct qlcnic_mailbox *mailbox; u8 extend_lb_time; u8 phys_port_id[ETH_ALEN]; + u8 lb_mode; }; struct qlcnic_adapter_stats { @@ -578,6 +579,8 @@ struct qlcnic_host_tx_ring { dma_addr_t phys_addr; dma_addr_t hw_cons_phys_addr; struct netdev_queue *txq; + /* Lock to protect Tx descriptors cleanup */ + spinlock_t tx_clean_lock; } ____cacheline_internodealigned_in_smp; /* @@ -808,6 +811,7 @@ struct qlcnic_mac_list_s { #define QLCNIC_ILB_MODE 0x1 #define QLCNIC_ELB_MODE 0x2 +#define QLCNIC_LB_MODE_MASK 0x3 #define QLCNIC_LINKEVENT 0x1 #define QLCNIC_LB_RESPONSE 0x2 @@ -1093,7 +1097,6 @@ struct qlcnic_adapter { struct qlcnic_filter_hash rx_fhash; struct list_head vf_mc_list; - spinlock_t tx_clean_lock; spinlock_t mac_learn_lock; /* spinlock for catching rcv filters for eswitch traffic */ spinlock_t rx_mac_learn_lock; @@ -1708,6 +1711,7 @@ int qlcnic_83xx_init_mailbox_work(struct qlcnic_adapter *); void qlcnic_83xx_detach_mailbox_work(struct qlcnic_adapter *); void qlcnic_83xx_reinit_mbx_work(struct qlcnic_mailbox *mbx); void qlcnic_83xx_free_mailbox(struct qlcnic_mailbox *mbx); +void qlcnic_update_stats(struct qlcnic_adapter *); /* Adapter hardware abstraction */ struct qlcnic_hardware_ops { diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c index 6055d397a29e..f776f99f7915 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c @@ -1684,12 +1684,6 @@ int qlcnic_83xx_loopback_test(struct net_device *netdev, u8 mode) } } while ((adapter->ahw->linkup && ahw->has_link_events) != 1); - /* Make sure carrier is off and queue is stopped during loopback */ - if (netif_running(netdev)) { - netif_carrier_off(netdev); - netif_tx_stop_all_queues(netdev); - } - ret = qlcnic_do_lb_test(adapter, mode); qlcnic_83xx_clear_lb_mode(adapter, mode); @@ -2121,6 +2115,7 @@ static void qlcnic_83xx_handle_link_aen(struct qlcnic_adapter *adapter, ahw->link_autoneg = MSB(MSW(data[3])); ahw->module_type = MSB(LSW(data[3])); ahw->has_link_events = 1; + ahw->lb_mode = data[4] & QLCNIC_LB_MODE_MASK; qlcnic_advert_link_change(adapter, link_status); } diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ethtool.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ethtool.c index e3be2760665c..6b08194aa0d4 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ethtool.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ethtool.c @@ -167,27 +167,35 @@ static const char qlcnic_gstrings_test[][ETH_GSTRING_LEN] = { #define QLCNIC_TEST_LEN ARRAY_SIZE(qlcnic_gstrings_test) -static inline int qlcnic_82xx_statistics(void) +static inline int qlcnic_82xx_statistics(struct qlcnic_adapter *adapter) { - return ARRAY_SIZE(qlcnic_device_gstrings_stats) + - ARRAY_SIZE(qlcnic_83xx_mac_stats_strings); + return ARRAY_SIZE(qlcnic_gstrings_stats) + + ARRAY_SIZE(qlcnic_83xx_mac_stats_strings) + + QLCNIC_TX_STATS_LEN * adapter->drv_tx_rings; } -static inline int qlcnic_83xx_statistics(void) +static inline int qlcnic_83xx_statistics(struct qlcnic_adapter *adapter) { - return ARRAY_SIZE(qlcnic_83xx_tx_stats_strings) + + return ARRAY_SIZE(qlcnic_gstrings_stats) + + ARRAY_SIZE(qlcnic_83xx_tx_stats_strings) + ARRAY_SIZE(qlcnic_83xx_mac_stats_strings) + - ARRAY_SIZE(qlcnic_83xx_rx_stats_strings); + ARRAY_SIZE(qlcnic_83xx_rx_stats_strings) + + QLCNIC_TX_STATS_LEN * adapter->drv_tx_rings; } static int qlcnic_dev_statistics_len(struct qlcnic_adapter *adapter) { - if (qlcnic_82xx_check(adapter)) - return qlcnic_82xx_statistics(); - else if (qlcnic_83xx_check(adapter)) - return qlcnic_83xx_statistics(); - else - return -1; + int len = -1; + + if (qlcnic_82xx_check(adapter)) { + len = qlcnic_82xx_statistics(adapter); + if (adapter->flags & QLCNIC_ESWITCH_ENABLED) + len += ARRAY_SIZE(qlcnic_device_gstrings_stats); + } else if (qlcnic_83xx_check(adapter)) { + len = qlcnic_83xx_statistics(adapter); + } + + return len; } #define QLCNIC_TX_INTR_NOT_CONFIGURED 0X78563412 @@ -920,18 +928,13 @@ static int qlcnic_eeprom_test(struct net_device *dev) static int qlcnic_get_sset_count(struct net_device *dev, int sset) { - int len; struct qlcnic_adapter *adapter = netdev_priv(dev); switch (sset) { case ETH_SS_TEST: return QLCNIC_TEST_LEN; case ETH_SS_STATS: - len = qlcnic_dev_statistics_len(adapter) + QLCNIC_STATS_LEN; - if ((adapter->flags & QLCNIC_ESWITCH_ENABLED) || - qlcnic_83xx_check(adapter)) - return len; - return qlcnic_82xx_statistics(); + return qlcnic_dev_statistics_len(adapter); default: return -EOPNOTSUPP; } @@ -1267,7 +1270,7 @@ static u64 *qlcnic_fill_stats(u64 *data, void *stats, int type) return data; } -static void qlcnic_update_stats(struct qlcnic_adapter *adapter) +void qlcnic_update_stats(struct qlcnic_adapter *adapter) { struct qlcnic_host_tx_ring *tx_ring; int ring; diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_init.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_init.c index e9c21e5d0ca9..c4262c23ed7c 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_init.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_init.c @@ -134,6 +134,8 @@ void qlcnic_release_tx_buffers(struct qlcnic_adapter *adapter, struct qlcnic_skb_frag *buffrag; int i, j; + spin_lock(&tx_ring->tx_clean_lock); + cmd_buf = tx_ring->cmd_buf_arr; for (i = 0; i < tx_ring->num_desc; i++) { buffrag = cmd_buf->frag_array; @@ -157,6 +159,8 @@ void qlcnic_release_tx_buffers(struct qlcnic_adapter *adapter, } cmd_buf++; } + + spin_unlock(&tx_ring->tx_clean_lock); } void qlcnic_free_sw_resources(struct qlcnic_adapter *adapter) diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c index eda6c691d897..ad1531ae3aa8 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c @@ -689,6 +689,10 @@ void qlcnic_advert_link_change(struct qlcnic_adapter *adapter, int linkup) adapter->ahw->linkup = 0; netif_carrier_off(netdev); } else if (!adapter->ahw->linkup && linkup) { + /* Do not advertise Link up if the port is in loopback mode */ + if (qlcnic_83xx_check(adapter) && adapter->ahw->lb_mode) + return; + netdev_info(netdev, "NIC Link is up\n"); adapter->ahw->linkup = 1; netif_carrier_on(netdev); @@ -778,7 +782,7 @@ static int qlcnic_process_cmd_ring(struct qlcnic_adapter *adapter, struct net_device *netdev = adapter->netdev; struct qlcnic_skb_frag *frag; - if (!spin_trylock(&adapter->tx_clean_lock)) + if (!spin_trylock(&tx_ring->tx_clean_lock)) return 1; sw_consumer = tx_ring->sw_consumer; @@ -807,8 +811,9 @@ static int qlcnic_process_cmd_ring(struct qlcnic_adapter *adapter, break; } + tx_ring->sw_consumer = sw_consumer; + if (count && netif_running(netdev)) { - tx_ring->sw_consumer = sw_consumer; smp_mb(); if (netif_tx_queue_stopped(tx_ring->txq) && netif_carrier_ok(netdev)) { @@ -834,7 +839,8 @@ static int qlcnic_process_cmd_ring(struct qlcnic_adapter *adapter, */ hw_consumer = le32_to_cpu(*(tx_ring->hw_consumer)); done = (sw_consumer == hw_consumer); - spin_unlock(&adapter->tx_clean_lock); + + spin_unlock(&tx_ring->tx_clean_lock); return done; } diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c index 2c8cac0c6a55..550791b8fbae 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c @@ -1756,7 +1756,6 @@ void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev) if (qlcnic_sriov_vf_check(adapter)) qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc); smp_mb(); - spin_lock(&adapter->tx_clean_lock); netif_carrier_off(netdev); adapter->ahw->linkup = 0; netif_tx_disable(netdev); @@ -1777,7 +1776,6 @@ void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev) for (ring = 0; ring < adapter->drv_tx_rings; ring++) qlcnic_release_tx_buffers(adapter, &adapter->tx_ring[ring]); - spin_unlock(&adapter->tx_clean_lock); } /* Usage: During suspend and firmware recovery module */ @@ -2172,6 +2170,7 @@ int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter, } memset(cmd_buf_arr, 0, TX_BUFF_RINGSIZE(tx_ring)); tx_ring->cmd_buf_arr = cmd_buf_arr; + spin_lock_init(&tx_ring->tx_clean_lock); } if (qlcnic_83xx_check(adapter) || @@ -2299,7 +2298,6 @@ qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) rwlock_init(&adapter->ahw->crb_lock); mutex_init(&adapter->ahw->mem_lock); - spin_lock_init(&adapter->tx_clean_lock); INIT_LIST_HEAD(&adapter->mac_list); qlcnic_register_dcb(adapter); @@ -2782,6 +2780,9 @@ static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev) struct qlcnic_adapter *adapter = netdev_priv(netdev); struct net_device_stats *stats = &netdev->stats; + if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) + qlcnic_update_stats(adapter); + stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts; stats->tx_packets = adapter->stats.xmitfinished; stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes; diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_pf.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_pf.c index 686f460b1502..024f8161d2fe 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_pf.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_pf.c @@ -75,7 +75,6 @@ static int qlcnic_sriov_pf_cal_res_limit(struct qlcnic_adapter *adapter, num_vfs = sriov->num_vfs; max = num_vfs + 1; info->bit_offsets = 0xffff; - info->max_tx_ques = res->num_tx_queues / max; info->max_rx_mcast_mac_filters = res->num_rx_mcast_mac_filters; num_vf_macs = QLCNIC_SRIOV_VF_MAX_MAC; @@ -86,6 +85,7 @@ static int qlcnic_sriov_pf_cal_res_limit(struct qlcnic_adapter *adapter, info->max_tx_mac_filters = temp; info->min_tx_bw = 0; info->max_tx_bw = MAX_BW; + info->max_tx_ques = res->num_tx_queues - sriov->num_vfs; } else { id = qlcnic_sriov_func_to_index(adapter, func); if (id < 0) @@ -95,6 +95,7 @@ static int qlcnic_sriov_pf_cal_res_limit(struct qlcnic_adapter *adapter, info->max_tx_bw = vp->max_tx_bw; info->max_rx_ucast_mac_filters = num_vf_macs; info->max_tx_mac_filters = num_vf_macs; + info->max_tx_ques = QLCNIC_SINGLE_RING; } info->max_rx_ip_addr = res->num_destip / max; diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index 8a7a23a84ac5..797b56a0efc4 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -622,17 +622,15 @@ static int stmmac_init_ptp(struct stmmac_priv *priv) if (!(priv->dma_cap.time_stamp || priv->dma_cap.atime_stamp)) return -EOPNOTSUPP; - if (netif_msg_hw(priv)) { - if (priv->dma_cap.time_stamp) { - pr_debug("IEEE 1588-2002 Time Stamp supported\n"); - priv->adv_ts = 0; - } - if (priv->dma_cap.atime_stamp && priv->extend_desc) { - pr_debug - ("IEEE 1588-2008 Advanced Time Stamp supported\n"); - priv->adv_ts = 1; - } - } + priv->adv_ts = 0; + if (priv->dma_cap.atime_stamp && priv->extend_desc) + priv->adv_ts = 1; + + if (netif_msg_hw(priv) && priv->dma_cap.time_stamp) + pr_debug("IEEE 1588-2002 Time Stamp supported\n"); + + if (netif_msg_hw(priv) && priv->adv_ts) + pr_debug("IEEE 1588-2008 Advanced Time Stamp supported\n"); priv->hw->ptp = &stmmac_ptp; priv->hwts_tx_en = 0; diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c index b8b0eeed0f92..7680581ebe12 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c @@ -56,7 +56,7 @@ static int stmmac_adjust_freq(struct ptp_clock_info *ptp, s32 ppb) priv->hw->ptp->config_addend(priv->ioaddr, addend); - spin_unlock_irqrestore(&priv->lock, flags); + spin_unlock_irqrestore(&priv->ptp_lock, flags); return 0; } @@ -91,7 +91,7 @@ static int stmmac_adjust_time(struct ptp_clock_info *ptp, s64 delta) priv->hw->ptp->adjust_systime(priv->ioaddr, sec, nsec, neg_adj); - spin_unlock_irqrestore(&priv->lock, flags); + spin_unlock_irqrestore(&priv->ptp_lock, flags); return 0; } diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c index 5120d9ce1dd4..5330fd298705 100644 --- a/drivers/net/ethernet/ti/cpsw.c +++ b/drivers/net/ethernet/ti/cpsw.c @@ -740,6 +740,8 @@ static void _cpsw_adjust_link(struct cpsw_slave *slave, /* set speed_in input in case RMII mode is used in 100Mbps */ if (phy->speed == 100) mac_control |= BIT(15); + else if (phy->speed == 10) + mac_control |= BIT(18); /* In Band mode */ *link = true; } else { @@ -2106,7 +2108,7 @@ static int cpsw_probe(struct platform_device *pdev) while ((res = platform_get_resource(priv->pdev, IORESOURCE_IRQ, k))) { for (i = res->start; i <= res->end; i++) { if (devm_request_irq(&pdev->dev, i, cpsw_interrupt, 0, - dev_name(priv->dev), priv)) { + dev_name(&pdev->dev), priv)) { dev_err(priv->dev, "error attaching irq\n"); goto clean_ale_ret; } diff --git a/drivers/net/ethernet/tile/tilegx.c b/drivers/net/ethernet/tile/tilegx.c index 628b736e5ae7..0e9fb3301b11 100644 --- a/drivers/net/ethernet/tile/tilegx.c +++ b/drivers/net/ethernet/tile/tilegx.c @@ -2080,7 +2080,8 @@ static int tile_net_tx(struct sk_buff *skb, struct net_device *dev) } /* Return subqueue id on this core (one per core). */ -static u16 tile_net_select_queue(struct net_device *dev, struct sk_buff *skb) +static u16 tile_net_select_queue(struct net_device *dev, struct sk_buff *skb, + void *accel_priv) { return smp_processor_id(); } diff --git a/drivers/net/hamradio/hdlcdrv.c b/drivers/net/hamradio/hdlcdrv.c index 3169252613fa..5d78c1d08abd 100644 --- a/drivers/net/hamradio/hdlcdrv.c +++ b/drivers/net/hamradio/hdlcdrv.c @@ -571,6 +571,8 @@ static int hdlcdrv_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) case HDLCDRVCTL_CALIBRATE: if(!capable(CAP_SYS_RAWIO)) return -EPERM; + if (bi.data.calibrate > INT_MAX / s->par.bitrate) + return -EINVAL; s->hdlctx.calibrate = bi.data.calibrate * s->par.bitrate / 16; return 0; diff --git a/drivers/net/hamradio/yam.c b/drivers/net/hamradio/yam.c index 1971411574db..61dd2447e1bb 100644 --- a/drivers/net/hamradio/yam.c +++ b/drivers/net/hamradio/yam.c @@ -1057,6 +1057,7 @@ static int yam_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) break; case SIOCYAMGCFG: + memset(&yi, 0, sizeof(yi)); yi.cfg.mask = 0xffffffff; yi.cfg.iobase = yp->iobase; yi.cfg.irq = yp->irq; diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c index f8135725bcf6..71baeb3ed905 100644 --- a/drivers/net/hyperv/netvsc_drv.c +++ b/drivers/net/hyperv/netvsc_drv.c @@ -261,9 +261,7 @@ int netvsc_recv_callback(struct hv_device *device_obj, struct sk_buff *skb; net = ((struct netvsc_device *)hv_get_drvdata(device_obj))->ndev; - if (!net) { - netdev_err(net, "got receive callback but net device" - " not initialized yet\n"); + if (!net || net->reg_state != NETREG_REGISTERED) { packet->status = NVSP_STAT_FAIL; return 0; } @@ -435,19 +433,11 @@ static int netvsc_probe(struct hv_device *dev, SET_ETHTOOL_OPS(net, ðtool_ops); SET_NETDEV_DEV(net, &dev->device); - ret = register_netdev(net); - if (ret != 0) { - pr_err("Unable to register netdev.\n"); - free_netdev(net); - goto out; - } - /* Notify the netvsc driver of the new device */ device_info.ring_size = ring_size; ret = rndis_filter_device_add(dev, &device_info); if (ret != 0) { netdev_err(net, "unable to add netvsc device (ret %d)\n", ret); - unregister_netdev(net); free_netdev(net); hv_set_drvdata(dev, NULL); return ret; @@ -456,7 +446,13 @@ static int netvsc_probe(struct hv_device *dev, netif_carrier_on(net); -out: + ret = register_netdev(net); + if (ret != 0) { + pr_err("Unable to register netdev.\n"); + rndis_filter_device_remove(dev); + free_netdev(net); + } + return ret; } diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c index acf93798dc67..bc8faaec33f5 100644 --- a/drivers/net/macvlan.c +++ b/drivers/net/macvlan.c @@ -299,7 +299,7 @@ netdev_tx_t macvlan_start_xmit(struct sk_buff *skb, if (vlan->fwd_priv) { skb->dev = vlan->lowerdev; - ret = dev_hard_start_xmit(skb, skb->dev, NULL, vlan->fwd_priv); + ret = dev_queue_xmit_accel(skb, vlan->fwd_priv); } else { ret = macvlan_queue_xmit(skb, dev); } @@ -338,6 +338,8 @@ static const struct header_ops macvlan_hard_header_ops = { .cache_update = eth_header_cache_update, }; +static struct rtnl_link_ops macvlan_link_ops; + static int macvlan_open(struct net_device *dev) { struct macvlan_dev *vlan = netdev_priv(dev); @@ -353,7 +355,8 @@ static int macvlan_open(struct net_device *dev) goto hash_add; } - if (lowerdev->features & NETIF_F_HW_L2FW_DOFFLOAD) { + if (lowerdev->features & NETIF_F_HW_L2FW_DOFFLOAD && + dev->rtnl_link_ops == &macvlan_link_ops) { vlan->fwd_priv = lowerdev->netdev_ops->ndo_dfwd_add_station(lowerdev, dev); @@ -362,10 +365,8 @@ static int macvlan_open(struct net_device *dev) */ if (IS_ERR_OR_NULL(vlan->fwd_priv)) { vlan->fwd_priv = NULL; - } else { - dev->features &= ~NETIF_F_LLTX; + } else return 0; - } } err = -EBUSY; @@ -690,8 +691,18 @@ static netdev_features_t macvlan_fix_features(struct net_device *dev, netdev_features_t features) { struct macvlan_dev *vlan = netdev_priv(dev); + netdev_features_t mask; + + features |= NETIF_F_ALL_FOR_ALL; + features &= (vlan->set_features | ~MACVLAN_FEATURES); + mask = features; + + features = netdev_increment_features(vlan->lowerdev->features, + features, + mask); + features |= NETIF_F_LLTX; - return features & (vlan->set_features | ~MACVLAN_FEATURES); + return features; } static const struct ethtool_ops macvlan_ethtool_ops = { @@ -1019,9 +1030,8 @@ static int macvlan_device_event(struct notifier_block *unused, break; case NETDEV_FEAT_CHANGE: list_for_each_entry(vlan, &port->vlans, list) { - vlan->dev->features = dev->features & MACVLAN_FEATURES; vlan->dev->gso_max_size = dev->gso_max_size; - netdev_features_change(vlan->dev); + netdev_update_features(vlan->dev); } break; case NETDEV_UNREGISTER: diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c index 36c6994436b7..98434b84f041 100644 --- a/drivers/net/phy/phy.c +++ b/drivers/net/phy/phy.c @@ -565,10 +565,8 @@ int phy_start_interrupts(struct phy_device *phydev) int err = 0; atomic_set(&phydev->irq_disable, 0); - if (request_irq(phydev->irq, phy_interrupt, - IRQF_SHARED, - "phy_interrupt", - phydev) < 0) { + if (request_irq(phydev->irq, phy_interrupt, 0, "phy_interrupt", + phydev) < 0) { pr_warn("%s: Can't get IRQ %d (PHY)\n", phydev->bus->name, phydev->irq); phydev->irq = PHY_POLL; diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c index 736050d6b451..b75ae5bde673 100644 --- a/drivers/net/team/team.c +++ b/drivers/net/team/team.c @@ -1647,7 +1647,8 @@ static netdev_tx_t team_xmit(struct sk_buff *skb, struct net_device *dev) return NETDEV_TX_OK; } -static u16 team_select_queue(struct net_device *dev, struct sk_buff *skb) +static u16 team_select_queue(struct net_device *dev, struct sk_buff *skb, + void *accel_priv) { /* * This helper function exists to help dev_pick_tx get the correct diff --git a/drivers/net/tun.c b/drivers/net/tun.c index 7c8343a4f918..ecec8029c5e8 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -348,7 +348,8 @@ unlock: * different rxq no. here. If we could not get rxhash, then we would * hope the rxq no. may help here. */ -static u16 tun_select_queue(struct net_device *dev, struct sk_buff *skb) +static u16 tun_select_queue(struct net_device *dev, struct sk_buff *skb, + void *accel_priv) { struct tun_struct *tun = netdev_priv(dev); struct tun_flow_entry *e; diff --git a/drivers/net/usb/Kconfig b/drivers/net/usb/Kconfig index 85e4a01670f0..47b0f732b0b1 100644 --- a/drivers/net/usb/Kconfig +++ b/drivers/net/usb/Kconfig @@ -276,12 +276,12 @@ config USB_NET_CDC_MBIM module will be called cdc_mbim. config USB_NET_DM9601 - tristate "Davicom DM9601 based USB 1.1 10/100 ethernet devices" + tristate "Davicom DM96xx based USB 10/100 ethernet devices" depends on USB_USBNET select CRC32 help - This option adds support for Davicom DM9601 based USB 1.1 - 10/100 Ethernet adapters. + This option adds support for Davicom DM9601/DM9620/DM9621A + based USB 10/100 Ethernet adapters. config USB_NET_SR9700 tristate "CoreChip-sz SR9700 based USB 1.1 10/100 ethernet devices" diff --git a/drivers/net/usb/dm9601.c b/drivers/net/usb/dm9601.c index c6867f926cff..14aa48fa8d7e 100644 --- a/drivers/net/usb/dm9601.c +++ b/drivers/net/usb/dm9601.c @@ -1,5 +1,5 @@ /* - * Davicom DM9601 USB 1.1 10/100Mbps ethernet devices + * Davicom DM96xx USB 10/100Mbps ethernet devices * * Peter Korsgaard <jacmet@sunsite.dk> * @@ -364,7 +364,12 @@ static int dm9601_bind(struct usbnet *dev, struct usb_interface *intf) dev->net->ethtool_ops = &dm9601_ethtool_ops; dev->net->hard_header_len += DM_TX_OVERHEAD; dev->hard_mtu = dev->net->mtu + dev->net->hard_header_len; - dev->rx_urb_size = dev->net->mtu + ETH_HLEN + DM_RX_OVERHEAD; + + /* dm9620/21a require room for 4 byte padding, even in dm9601 + * mode, so we need +1 to be able to receive full size + * ethernet frames. + */ + dev->rx_urb_size = dev->net->mtu + ETH_HLEN + DM_RX_OVERHEAD + 1; dev->mii.dev = dev->net; dev->mii.mdio_read = dm9601_mdio_read; @@ -468,7 +473,7 @@ static int dm9601_rx_fixup(struct usbnet *dev, struct sk_buff *skb) static struct sk_buff *dm9601_tx_fixup(struct usbnet *dev, struct sk_buff *skb, gfp_t flags) { - int len; + int len, pad; /* format: b1: packet length low @@ -476,12 +481,23 @@ static struct sk_buff *dm9601_tx_fixup(struct usbnet *dev, struct sk_buff *skb, b3..n: packet data */ - len = skb->len; + len = skb->len + DM_TX_OVERHEAD; + + /* workaround for dm962x errata with tx fifo getting out of + * sync if a USB bulk transfer retry happens right after a + * packet with odd / maxpacket length by adding up to 3 bytes + * padding. + */ + while ((len & 1) || !(len % dev->maxpacket)) + len++; - if (skb_headroom(skb) < DM_TX_OVERHEAD) { + len -= DM_TX_OVERHEAD; /* hw header doesn't count as part of length */ + pad = len - skb->len; + + if (skb_headroom(skb) < DM_TX_OVERHEAD || skb_tailroom(skb) < pad) { struct sk_buff *skb2; - skb2 = skb_copy_expand(skb, DM_TX_OVERHEAD, 0, flags); + skb2 = skb_copy_expand(skb, DM_TX_OVERHEAD, pad, flags); dev_kfree_skb_any(skb); skb = skb2; if (!skb) @@ -490,10 +506,10 @@ static struct sk_buff *dm9601_tx_fixup(struct usbnet *dev, struct sk_buff *skb, __skb_push(skb, DM_TX_OVERHEAD); - /* usbnet adds padding if length is a multiple of packet size - if so, adjust length value in header */ - if ((skb->len % dev->maxpacket) == 0) - len++; + if (pad) { + memset(skb->data + skb->len, 0, pad); + __skb_put(skb, pad); + } skb->data[0] = len; skb->data[1] = len >> 8; @@ -543,7 +559,7 @@ static int dm9601_link_reset(struct usbnet *dev) } static const struct driver_info dm9601_info = { - .description = "Davicom DM9601 USB Ethernet", + .description = "Davicom DM96xx USB 10/100 Ethernet", .flags = FLAG_ETHER | FLAG_LINK_INTR, .bind = dm9601_bind, .rx_fixup = dm9601_rx_fixup, @@ -594,6 +610,10 @@ static const struct usb_device_id products[] = { USB_DEVICE(0x0a46, 0x9620), /* DM9620 USB to Fast Ethernet Adapter */ .driver_info = (unsigned long)&dm9601_info, }, + { + USB_DEVICE(0x0a46, 0x9621), /* DM9621A USB to Fast Ethernet Adapter */ + .driver_info = (unsigned long)&dm9601_info, + }, {}, // END }; @@ -612,5 +632,5 @@ static struct usb_driver dm9601_driver = { module_usb_driver(dm9601_driver); MODULE_AUTHOR("Peter Korsgaard <jacmet@sunsite.dk>"); -MODULE_DESCRIPTION("Davicom DM9601 USB 1.1 ethernet devices"); +MODULE_DESCRIPTION("Davicom DM96xx USB 10/100 ethernet devices"); MODULE_LICENSE("GPL"); diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c index 86292e6aaf49..1a482344b3f5 100644 --- a/drivers/net/usb/hso.c +++ b/drivers/net/usb/hso.c @@ -185,7 +185,6 @@ enum rx_ctrl_state{ #define BM_REQUEST_TYPE (0xa1) #define B_NOTIFICATION (0x20) #define W_VALUE (0x0) -#define W_INDEX (0x2) #define W_LENGTH (0x2) #define B_OVERRUN (0x1<<6) @@ -1487,6 +1486,7 @@ static void tiocmget_intr_callback(struct urb *urb) struct uart_icount *icount; struct hso_serial_state_notification *serial_state_notification; struct usb_device *usb; + int if_num; /* Sanity checks */ if (!serial) @@ -1495,15 +1495,24 @@ static void tiocmget_intr_callback(struct urb *urb) handle_usb_error(status, __func__, serial->parent); return; } + + /* tiocmget is only supported on HSO_PORT_MODEM */ tiocmget = serial->tiocmget; if (!tiocmget) return; + BUG_ON((serial->parent->port_spec & HSO_PORT_MASK) != HSO_PORT_MODEM); + usb = serial->parent->usb; + if_num = serial->parent->interface->altsetting->desc.bInterfaceNumber; + + /* wIndex should be the USB interface number of the port to which the + * notification applies, which should always be the Modem port. + */ serial_state_notification = &tiocmget->serial_state_notification; if (serial_state_notification->bmRequestType != BM_REQUEST_TYPE || serial_state_notification->bNotification != B_NOTIFICATION || le16_to_cpu(serial_state_notification->wValue) != W_VALUE || - le16_to_cpu(serial_state_notification->wIndex) != W_INDEX || + le16_to_cpu(serial_state_notification->wIndex) != if_num || le16_to_cpu(serial_state_notification->wLength) != W_LENGTH) { dev_warn(&usb->dev, "hso received invalid serial state notification\n"); diff --git a/drivers/net/usb/mcs7830.c b/drivers/net/usb/mcs7830.c index 03832d3780aa..f54637828574 100644 --- a/drivers/net/usb/mcs7830.c +++ b/drivers/net/usb/mcs7830.c @@ -117,7 +117,6 @@ enum { struct mcs7830_data { u8 multi_filter[8]; u8 config; - u8 link_counter; }; static const char driver_name[] = "MOSCHIP usb-ethernet driver"; @@ -561,26 +560,16 @@ static void mcs7830_status(struct usbnet *dev, struct urb *urb) { u8 *buf = urb->transfer_buffer; bool link, link_changed; - struct mcs7830_data *data = mcs7830_get_data(dev); if (urb->actual_length < 16) return; - link = !(buf[1] & 0x20); + link = !(buf[1] == 0x20); link_changed = netif_carrier_ok(dev->net) != link; if (link_changed) { - data->link_counter++; - /* - track link state 20 times to guard against erroneous - link state changes reported sometimes by the chip - */ - if (data->link_counter > 20) { - data->link_counter = 0; - usbnet_link_change(dev, link, 0); - netdev_dbg(dev->net, "Link Status is: %d\n", link); - } - } else - data->link_counter = 0; + usbnet_link_change(dev, link, 0); + netdev_dbg(dev->net, "Link Status is: %d\n", link); + } } static const struct driver_info moschip_info = { diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index d208f8604981..5d776447d9c3 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -1797,16 +1797,17 @@ static int virtnet_restore(struct virtio_device *vdev) if (err) return err; - if (netif_running(vi->dev)) + if (netif_running(vi->dev)) { + for (i = 0; i < vi->curr_queue_pairs; i++) + if (!try_fill_recv(&vi->rq[i], GFP_KERNEL)) + schedule_delayed_work(&vi->refill, 0); + for (i = 0; i < vi->max_queue_pairs; i++) virtnet_napi_enable(&vi->rq[i]); + } netif_device_attach(vi->dev); - for (i = 0; i < vi->curr_queue_pairs; i++) - if (!try_fill_recv(&vi->rq[i], GFP_KERNEL)) - schedule_delayed_work(&vi->refill, 0); - mutex_lock(&vi->config_lock); vi->config_enable = true; mutex_unlock(&vi->config_lock); diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index 249e01c5600c..ed384fee76ac 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -2440,7 +2440,8 @@ static int vxlan_newlink(struct net *net, struct net_device *dev, /* update header length based on lower device */ dev->hard_header_len = lowerdev->hard_header_len + (use_ipv6 ? VXLAN6_HEADROOM : VXLAN_HEADROOM); - } + } else if (use_ipv6) + vxlan->flags |= VXLAN_F_IPV6; if (data[IFLA_VXLAN_TOS]) vxlan->tos = nla_get_u8(data[IFLA_VXLAN_TOS]); diff --git a/drivers/net/wireless/ath/ath9k/ar9002_mac.c b/drivers/net/wireless/ath/ath9k/ar9002_mac.c index 8d78253c26ce..a366d6b4626f 100644 --- a/drivers/net/wireless/ath/ath9k/ar9002_mac.c +++ b/drivers/net/wireless/ath/ath9k/ar9002_mac.c @@ -76,9 +76,16 @@ static bool ar9002_hw_get_isr(struct ath_hw *ah, enum ath9k_int *masked) mask2 |= ATH9K_INT_CST; if (isr2 & AR_ISR_S2_TSFOOR) mask2 |= ATH9K_INT_TSFOOR; + + if (!(pCap->hw_caps & ATH9K_HW_CAP_RAC_SUPPORTED)) { + REG_WRITE(ah, AR_ISR_S2, isr2); + isr &= ~AR_ISR_BCNMISC; + } } - isr = REG_READ(ah, AR_ISR_RAC); + if (pCap->hw_caps & ATH9K_HW_CAP_RAC_SUPPORTED) + isr = REG_READ(ah, AR_ISR_RAC); + if (isr == 0xffffffff) { *masked = 0; return false; @@ -97,11 +104,23 @@ static bool ar9002_hw_get_isr(struct ath_hw *ah, enum ath9k_int *masked) *masked |= ATH9K_INT_TX; - s0_s = REG_READ(ah, AR_ISR_S0_S); + if (pCap->hw_caps & ATH9K_HW_CAP_RAC_SUPPORTED) { + s0_s = REG_READ(ah, AR_ISR_S0_S); + s1_s = REG_READ(ah, AR_ISR_S1_S); + } else { + s0_s = REG_READ(ah, AR_ISR_S0); + REG_WRITE(ah, AR_ISR_S0, s0_s); + s1_s = REG_READ(ah, AR_ISR_S1); + REG_WRITE(ah, AR_ISR_S1, s1_s); + + isr &= ~(AR_ISR_TXOK | + AR_ISR_TXDESC | + AR_ISR_TXERR | + AR_ISR_TXEOL); + } + ah->intr_txqs |= MS(s0_s, AR_ISR_S0_QCU_TXOK); ah->intr_txqs |= MS(s0_s, AR_ISR_S0_QCU_TXDESC); - - s1_s = REG_READ(ah, AR_ISR_S1_S); ah->intr_txqs |= MS(s1_s, AR_ISR_S1_QCU_TXERR); ah->intr_txqs |= MS(s1_s, AR_ISR_S1_QCU_TXEOL); } @@ -114,13 +133,15 @@ static bool ar9002_hw_get_isr(struct ath_hw *ah, enum ath9k_int *masked) *masked |= mask2; } - if (AR_SREV_9100(ah)) - return true; - - if (isr & AR_ISR_GENTMR) { + if (!AR_SREV_9100(ah) && (isr & AR_ISR_GENTMR)) { u32 s5_s; - s5_s = REG_READ(ah, AR_ISR_S5_S); + if (pCap->hw_caps & ATH9K_HW_CAP_RAC_SUPPORTED) { + s5_s = REG_READ(ah, AR_ISR_S5_S); + } else { + s5_s = REG_READ(ah, AR_ISR_S5); + } + ah->intr_gen_timer_trigger = MS(s5_s, AR_ISR_S5_GENTIMER_TRIG); @@ -133,8 +154,21 @@ static bool ar9002_hw_get_isr(struct ath_hw *ah, enum ath9k_int *masked) if ((s5_s & AR_ISR_S5_TIM_TIMER) && !(pCap->hw_caps & ATH9K_HW_CAP_AUTOSLEEP)) *masked |= ATH9K_INT_TIM_TIMER; + + if (!(pCap->hw_caps & ATH9K_HW_CAP_RAC_SUPPORTED)) { + REG_WRITE(ah, AR_ISR_S5, s5_s); + isr &= ~AR_ISR_GENTMR; + } } + if (!(pCap->hw_caps & ATH9K_HW_CAP_RAC_SUPPORTED)) { + REG_WRITE(ah, AR_ISR, isr); + REG_READ(ah, AR_ISR); + } + + if (AR_SREV_9100(ah)) + return true; + if (sync_cause) { ath9k_debug_sync_cause(common, sync_cause); fatal_int = diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_main.c b/drivers/net/wireless/ath/ath9k/htc_drv_main.c index 9a2657fdd9cc..608d739d1378 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_main.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_main.c @@ -127,21 +127,26 @@ static void ath9k_htc_bssid_iter(void *data, u8 *mac, struct ieee80211_vif *vif) struct ath9k_vif_iter_data *iter_data = data; int i; - for (i = 0; i < ETH_ALEN; i++) - iter_data->mask[i] &= ~(iter_data->hw_macaddr[i] ^ mac[i]); + if (iter_data->hw_macaddr != NULL) { + for (i = 0; i < ETH_ALEN; i++) + iter_data->mask[i] &= ~(iter_data->hw_macaddr[i] ^ mac[i]); + } else { + iter_data->hw_macaddr = mac; + } } -static void ath9k_htc_set_bssid_mask(struct ath9k_htc_priv *priv, +static void ath9k_htc_set_mac_bssid_mask(struct ath9k_htc_priv *priv, struct ieee80211_vif *vif) { struct ath_common *common = ath9k_hw_common(priv->ah); struct ath9k_vif_iter_data iter_data; /* - * Use the hardware MAC address as reference, the hardware uses it - * together with the BSSID mask when matching addresses. + * Pick the MAC address of the first interface as the new hardware + * MAC address. The hardware will use it together with the BSSID mask + * when matching addresses. */ - iter_data.hw_macaddr = common->macaddr; + iter_data.hw_macaddr = NULL; memset(&iter_data.mask, 0xff, ETH_ALEN); if (vif) @@ -153,6 +158,10 @@ static void ath9k_htc_set_bssid_mask(struct ath9k_htc_priv *priv, ath9k_htc_bssid_iter, &iter_data); memcpy(common->bssidmask, iter_data.mask, ETH_ALEN); + + if (iter_data.hw_macaddr) + memcpy(common->macaddr, iter_data.hw_macaddr, ETH_ALEN); + ath_hw_setbssidmask(common); } @@ -1063,7 +1072,7 @@ static int ath9k_htc_add_interface(struct ieee80211_hw *hw, goto out; } - ath9k_htc_set_bssid_mask(priv, vif); + ath9k_htc_set_mac_bssid_mask(priv, vif); priv->vif_slot |= (1 << avp->index); priv->nvifs++; @@ -1128,7 +1137,7 @@ static void ath9k_htc_remove_interface(struct ieee80211_hw *hw, ath9k_htc_set_opmode(priv); - ath9k_htc_set_bssid_mask(priv, vif); + ath9k_htc_set_mac_bssid_mask(priv, vif); /* * Stop ANI only if there are no associated station interfaces. diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index 74f452c7b166..21aa09e0e825 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -965,8 +965,9 @@ void ath9k_calculate_iter_data(struct ieee80211_hw *hw, struct ath_common *common = ath9k_hw_common(ah); /* - * Use the hardware MAC address as reference, the hardware uses it - * together with the BSSID mask when matching addresses. + * Pick the MAC address of the first interface as the new hardware + * MAC address. The hardware will use it together with the BSSID mask + * when matching addresses. */ memset(iter_data, 0, sizeof(*iter_data)); memset(&iter_data->mask, 0xff, ETH_ALEN); diff --git a/drivers/net/wireless/iwlwifi/pcie/drv.c b/drivers/net/wireless/iwlwifi/pcie/drv.c index 86605027c41d..e6272546395a 100644 --- a/drivers/net/wireless/iwlwifi/pcie/drv.c +++ b/drivers/net/wireless/iwlwifi/pcie/drv.c @@ -357,21 +357,27 @@ static DEFINE_PCI_DEVICE_TABLE(iwl_hw_card_ids) = { {IWL_PCI_DEVICE(0x095B, 0x5310, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095B, 0x5302, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095B, 0x5210, iwl7265_2ac_cfg)}, - {IWL_PCI_DEVICE(0x095B, 0x5012, iwl7265_2ac_cfg)}, - {IWL_PCI_DEVICE(0x095B, 0x500A, iwl7265_2ac_cfg)}, + {IWL_PCI_DEVICE(0x095A, 0x5012, iwl7265_2ac_cfg)}, + {IWL_PCI_DEVICE(0x095A, 0x500A, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x5410, iwl7265_2ac_cfg)}, + {IWL_PCI_DEVICE(0x095A, 0x5400, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x1010, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x5000, iwl7265_2n_cfg)}, {IWL_PCI_DEVICE(0x095B, 0x5200, iwl7265_2n_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x5002, iwl7265_n_cfg)}, {IWL_PCI_DEVICE(0x095B, 0x5202, iwl7265_n_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x9010, iwl7265_2ac_cfg)}, + {IWL_PCI_DEVICE(0x095A, 0x9110, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x9210, iwl7265_2ac_cfg)}, + {IWL_PCI_DEVICE(0x095A, 0x9510, iwl7265_2ac_cfg)}, + {IWL_PCI_DEVICE(0x095A, 0x9310, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x9410, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x5020, iwl7265_2n_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x502A, iwl7265_2n_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x5420, iwl7265_2n_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x5090, iwl7265_2ac_cfg)}, + {IWL_PCI_DEVICE(0x095A, 0x5190, iwl7265_2ac_cfg)}, + {IWL_PCI_DEVICE(0x095A, 0x5590, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095B, 0x5290, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x5490, iwl7265_2ac_cfg)}, #endif /* CONFIG_IWLMVM */ diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c index c72438bb2faf..a1b32ee9594a 100644 --- a/drivers/net/wireless/mac80211_hwsim.c +++ b/drivers/net/wireless/mac80211_hwsim.c @@ -2011,7 +2011,7 @@ static int hwsim_tx_info_frame_received_nl(struct sk_buff *skb_2, (hwsim_flags & HWSIM_TX_STAT_ACK)) { if (skb->len >= 16) { hdr = (struct ieee80211_hdr *) skb->data; - mac80211_hwsim_monitor_ack(txi->rate_driver_data[0], + mac80211_hwsim_monitor_ack(data2->channel, hdr->addr2); } txi->flags |= IEEE80211_TX_STAT_ACK; diff --git a/drivers/net/wireless/mwifiex/main.c b/drivers/net/wireless/mwifiex/main.c index 78e8a6666cc6..8bb8988c435c 100644 --- a/drivers/net/wireless/mwifiex/main.c +++ b/drivers/net/wireless/mwifiex/main.c @@ -746,7 +746,8 @@ static struct net_device_stats *mwifiex_get_stats(struct net_device *dev) } static u16 -mwifiex_netdev_select_wmm_queue(struct net_device *dev, struct sk_buff *skb) +mwifiex_netdev_select_wmm_queue(struct net_device *dev, struct sk_buff *skb, + void *accel_priv) { skb->priority = cfg80211_classify8021d(skb); return mwifiex_1d_to_wmm_queue[skb->priority]; diff --git a/drivers/net/wireless/rtlwifi/pci.c b/drivers/net/wireless/rtlwifi/pci.c index 0f494444bcd1..5a53195d016b 100644 --- a/drivers/net/wireless/rtlwifi/pci.c +++ b/drivers/net/wireless/rtlwifi/pci.c @@ -740,6 +740,8 @@ static void _rtl_pci_rx_interrupt(struct ieee80211_hw *hw) }; int index = rtlpci->rx_ring[rx_queue_idx].idx; + if (rtlpci->driver_is_goingto_unload) + return; /*RX NORMAL PKT */ while (count--) { /*rx descriptor */ @@ -1636,6 +1638,7 @@ static void rtl_pci_stop(struct ieee80211_hw *hw) */ set_hal_stop(rtlhal); + rtlpci->driver_is_goingto_unload = true; rtlpriv->cfg->ops->disable_interrupt(hw); cancel_work_sync(&rtlpriv->works.lps_change_work); @@ -1653,7 +1656,6 @@ static void rtl_pci_stop(struct ieee80211_hw *hw) ppsc->rfchange_inprogress = true; spin_unlock_irqrestore(&rtlpriv->locks.rf_ps_lock, flags); - rtlpci->driver_is_goingto_unload = true; rtlpriv->cfg->ops->hw_disable(hw); /* some things are not needed if firmware not available */ if (!rtlpriv->max_fw_size) diff --git a/drivers/net/xen-netback/common.h b/drivers/net/xen-netback/common.h index 08ae01b41c83..c47794b9d42f 100644 --- a/drivers/net/xen-netback/common.h +++ b/drivers/net/xen-netback/common.h @@ -101,6 +101,13 @@ struct xenvif_rx_meta { #define MAX_PENDING_REQS 256 +/* It's possible for an skb to have a maximal number of frags + * but still be less than MAX_BUFFER_OFFSET in size. Thus the + * worst-case number of copy operations is MAX_SKB_FRAGS per + * ring slot. + */ +#define MAX_GRANT_COPY_OPS (MAX_SKB_FRAGS * XEN_NETIF_RX_RING_SIZE) + struct xenvif { /* Unique identifier for this interface. */ domid_t domid; @@ -143,13 +150,13 @@ struct xenvif { */ RING_IDX rx_req_cons_peek; - /* Given MAX_BUFFER_OFFSET of 4096 the worst case is that each - * head/fragment page uses 2 copy operations because it - * straddles two buffers in the frontend. - */ - struct gnttab_copy grant_copy_op[2*XEN_NETIF_RX_RING_SIZE]; - struct xenvif_rx_meta meta[2*XEN_NETIF_RX_RING_SIZE]; + /* This array is allocated seperately as it is large */ + struct gnttab_copy *grant_copy_op; + /* We create one meta structure per ring request we consume, so + * the maximum number is the same as the ring size. + */ + struct xenvif_rx_meta meta[XEN_NETIF_RX_RING_SIZE]; u8 fe_dev_addr[6]; diff --git a/drivers/net/xen-netback/interface.c b/drivers/net/xen-netback/interface.c index 870f1fa58370..fff8cddfed81 100644 --- a/drivers/net/xen-netback/interface.c +++ b/drivers/net/xen-netback/interface.c @@ -34,6 +34,7 @@ #include <linux/ethtool.h> #include <linux/rtnetlink.h> #include <linux/if_vlan.h> +#include <linux/vmalloc.h> #include <xen/events.h> #include <asm/xen/hypercall.h> @@ -307,6 +308,15 @@ struct xenvif *xenvif_alloc(struct device *parent, domid_t domid, SET_NETDEV_DEV(dev, parent); vif = netdev_priv(dev); + + vif->grant_copy_op = vmalloc(sizeof(struct gnttab_copy) * + MAX_GRANT_COPY_OPS); + if (vif->grant_copy_op == NULL) { + pr_warn("Could not allocate grant copy space for %s\n", name); + free_netdev(dev); + return ERR_PTR(-ENOMEM); + } + vif->domid = domid; vif->handle = handle; vif->can_sg = 1; @@ -487,6 +497,7 @@ void xenvif_free(struct xenvif *vif) unregister_netdev(vif->dev); + vfree(vif->grant_copy_op); free_netdev(vif->dev); module_put(THIS_MODULE); diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c index 27bbe58dcbe7..78425554a537 100644 --- a/drivers/net/xen-netback/netback.c +++ b/drivers/net/xen-netback/netback.c @@ -608,7 +608,7 @@ void xenvif_rx_action(struct xenvif *vif) if (!npo.copy_prod) return; - BUG_ON(npo.copy_prod > ARRAY_SIZE(vif->grant_copy_op)); + BUG_ON(npo.copy_prod > MAX_GRANT_COPY_OPS); gnttab_batch_copy(vif->grant_copy_op, npo.copy_prod); while ((skb = __skb_dequeue(&rxq)) != NULL) { @@ -1209,8 +1209,10 @@ static int checksum_setup_ip(struct xenvif *vif, struct sk_buff *skb, goto out; if (!skb_partial_csum_set(skb, off, - offsetof(struct tcphdr, check))) + offsetof(struct tcphdr, check))) { + err = -EPROTO; goto out; + } if (recalculate_partial_csum) tcp_hdr(skb)->check = @@ -1227,8 +1229,10 @@ static int checksum_setup_ip(struct xenvif *vif, struct sk_buff *skb, goto out; if (!skb_partial_csum_set(skb, off, - offsetof(struct udphdr, check))) + offsetof(struct udphdr, check))) { + err = -EPROTO; goto out; + } if (recalculate_partial_csum) udp_hdr(skb)->check = @@ -1350,8 +1354,10 @@ static int checksum_setup_ipv6(struct xenvif *vif, struct sk_buff *skb, goto out; if (!skb_partial_csum_set(skb, off, - offsetof(struct tcphdr, check))) + offsetof(struct tcphdr, check))) { + err = -EPROTO; goto out; + } if (recalculate_partial_csum) tcp_hdr(skb)->check = @@ -1368,8 +1374,10 @@ static int checksum_setup_ipv6(struct xenvif *vif, struct sk_buff *skb, goto out; if (!skb_partial_csum_set(skb, off, - offsetof(struct udphdr, check))) + offsetof(struct udphdr, check))) { + err = -EPROTO; goto out; + } if (recalculate_partial_csum) udp_hdr(skb)->check = diff --git a/drivers/of/Kconfig b/drivers/of/Kconfig index de6f8990246f..c6973f101a3e 100644 --- a/drivers/of/Kconfig +++ b/drivers/of/Kconfig @@ -20,7 +20,7 @@ config OF_SELFTEST depends on OF_IRQ help This option builds in test cases for the device tree infrastructure - that are executed one at boot time, and the results dumped to the + that are executed once at boot time, and the results dumped to the console. If unsure, say N here, but this option is safe to enable. diff --git a/drivers/of/address.c b/drivers/of/address.c index 4b9317bdb81c..d3dd41c840f1 100644 --- a/drivers/of/address.c +++ b/drivers/of/address.c @@ -69,14 +69,6 @@ static u64 of_bus_default_map(__be32 *addr, const __be32 *range, (unsigned long long)cp, (unsigned long long)s, (unsigned long long)da); - /* - * If the number of address cells is larger than 2 we assume the - * mapping doesn't specify a physical address. Rather, the address - * specifies an identifier that must match exactly. - */ - if (na > 2 && memcmp(range, addr, na * 4) != 0) - return OF_BAD_ADDR; - if (da < cp || da >= (cp + s)) return OF_BAD_ADDR; return da - cp; diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c index 2fa024b97c43..758b4f8b30b7 100644 --- a/drivers/of/fdt.c +++ b/drivers/of/fdt.c @@ -922,8 +922,16 @@ void __init unflatten_device_tree(void) */ void __init unflatten_and_copy_device_tree(void) { - int size = __be32_to_cpu(initial_boot_params->totalsize); - void *dt = early_init_dt_alloc_memory_arch(size, + int size; + void *dt; + + if (!initial_boot_params) { + pr_warn("No valid device tree found, continuing without\n"); + return; + } + + size = __be32_to_cpu(initial_boot_params->totalsize); + dt = early_init_dt_alloc_memory_arch(size, __alignof__(struct boot_param_header)); if (dt) { diff --git a/drivers/of/irq.c b/drivers/of/irq.c index 786b0b47fae4..27212402c532 100644 --- a/drivers/of/irq.c +++ b/drivers/of/irq.c @@ -165,7 +165,6 @@ int of_irq_parse_raw(const __be32 *addr, struct of_phandle_args *out_irq) if (of_get_property(ipar, "interrupt-controller", NULL) != NULL) { pr_debug(" -> got it !\n"); - of_node_put(old); return 0; } @@ -250,8 +249,7 @@ int of_irq_parse_raw(const __be32 *addr, struct of_phandle_args *out_irq) * Successfully parsed an interrrupt-map translation; copy new * interrupt specifier into the out_irq structure */ - of_node_put(out_irq->np); - out_irq->np = of_node_get(newpar); + out_irq->np = newpar; match_array = imap - newaddrsize - newintsize; for (i = 0; i < newintsize; i++) @@ -268,7 +266,6 @@ int of_irq_parse_raw(const __be32 *addr, struct of_phandle_args *out_irq) } fail: of_node_put(ipar); - of_node_put(out_irq->np); of_node_put(newpar); return -EINVAL; diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c index 1cf605f67673..e86439283a5d 100644 --- a/drivers/pci/hotplug/acpiphp_glue.c +++ b/drivers/pci/hotplug/acpiphp_glue.c @@ -279,7 +279,9 @@ static acpi_status register_slot(acpi_handle handle, u32 lvl, void *data, status = acpi_evaluate_integer(handle, "_ADR", NULL, &adr); if (ACPI_FAILURE(status)) { - acpi_handle_warn(handle, "can't evaluate _ADR (%#x)\n", status); + if (status != AE_NOT_FOUND) + acpi_handle_warn(handle, + "can't evaluate _ADR (%#x)\n", status); return AE_OK; } @@ -643,6 +645,24 @@ static void disable_slot(struct acpiphp_slot *slot) slot->flags &= (~SLOT_ENABLED); } +static bool acpiphp_no_hotplug(acpi_handle handle) +{ + struct acpi_device *adev = NULL; + + acpi_bus_get_device(handle, &adev); + return adev && adev->flags.no_hotplug; +} + +static bool slot_no_hotplug(struct acpiphp_slot *slot) +{ + struct acpiphp_func *func; + + list_for_each_entry(func, &slot->funcs, sibling) + if (acpiphp_no_hotplug(func_to_handle(func))) + return true; + + return false; +} /** * get_slot_status - get ACPI slot status @@ -701,7 +721,8 @@ static void trim_stale_devices(struct pci_dev *dev) unsigned long long sta; status = acpi_evaluate_integer(handle, "_STA", NULL, &sta); - alive = ACPI_SUCCESS(status) && sta == ACPI_STA_ALL; + alive = (ACPI_SUCCESS(status) && sta == ACPI_STA_ALL) + || acpiphp_no_hotplug(handle); } if (!alive) { u32 v; @@ -741,8 +762,9 @@ static void acpiphp_check_bridge(struct acpiphp_bridge *bridge) struct pci_dev *dev, *tmp; mutex_lock(&slot->crit_sect); - /* wake up all functions */ - if (get_slot_status(slot) == ACPI_STA_ALL) { + if (slot_no_hotplug(slot)) { + ; /* do nothing */ + } else if (get_slot_status(slot) == ACPI_STA_ALL) { /* remove stale devices if any */ list_for_each_entry_safe(dev, tmp, &bus->devices, bus_list) diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c index 577074efbe62..f7ebdba14bde 100644 --- a/drivers/pci/pci-acpi.c +++ b/drivers/pci/pci-acpi.c @@ -330,29 +330,32 @@ static int acpi_pci_find_device(struct device *dev, acpi_handle *handle) static void pci_acpi_setup(struct device *dev) { struct pci_dev *pci_dev = to_pci_dev(dev); - acpi_handle handle = ACPI_HANDLE(dev); - struct acpi_device *adev; + struct acpi_device *adev = ACPI_COMPANION(dev); - if (acpi_bus_get_device(handle, &adev) || !adev->wakeup.flags.valid) + if (!adev) + return; + + pci_acpi_add_pm_notifier(adev, pci_dev); + if (!adev->wakeup.flags.valid) return; device_set_wakeup_capable(dev, true); acpi_pci_sleep_wake(pci_dev, false); - - pci_acpi_add_pm_notifier(adev, pci_dev); if (adev->wakeup.flags.run_wake) device_set_run_wake(dev, true); } static void pci_acpi_cleanup(struct device *dev) { - acpi_handle handle = ACPI_HANDLE(dev); - struct acpi_device *adev; + struct acpi_device *adev = ACPI_COMPANION(dev); + + if (!adev) + return; - if (!acpi_bus_get_device(handle, &adev) && adev->wakeup.flags.valid) { + pci_acpi_remove_pm_notifier(adev); + if (adev->wakeup.flags.valid) { device_set_wakeup_capable(dev, false); device_set_run_wake(dev, false); - pci_acpi_remove_pm_notifier(adev); } } diff --git a/drivers/power/Kconfig b/drivers/power/Kconfig index 5e2054afe840..85ad58c6da17 100644 --- a/drivers/power/Kconfig +++ b/drivers/power/Kconfig @@ -196,6 +196,7 @@ config BATTERY_MAX17040 config BATTERY_MAX17042 tristate "Maxim MAX17042/17047/17050/8997/8966 Fuel Gauge" depends on I2C + select REGMAP_I2C help MAX17042 is fuel-gauge systems for lithium-ion (Li+) batteries in handheld and portable equipment. The MAX17042 is configured diff --git a/drivers/power/power_supply_core.c b/drivers/power/power_supply_core.c index 00e667296360..557af943b2f5 100644 --- a/drivers/power/power_supply_core.c +++ b/drivers/power/power_supply_core.c @@ -511,6 +511,10 @@ int power_supply_register(struct device *parent, struct power_supply *psy) dev_set_drvdata(dev, psy); psy->dev = dev; + rc = dev_set_name(dev, "%s", psy->name); + if (rc) + goto dev_set_name_failed; + INIT_WORK(&psy->changed_work, power_supply_changed_work); rc = power_supply_check_supplies(psy); @@ -524,10 +528,6 @@ int power_supply_register(struct device *parent, struct power_supply *psy) if (rc) goto wakeup_init_failed; - rc = kobject_set_name(&dev->kobj, "%s", psy->name); - if (rc) - goto kobject_set_name_failed; - rc = device_add(dev); if (rc) goto device_add_failed; @@ -553,11 +553,11 @@ create_triggers_failed: register_cooler_failed: psy_unregister_thermal(psy); register_thermal_failed: -wakeup_init_failed: device_del(dev); -kobject_set_name_failed: device_add_failed: +wakeup_init_failed: check_supplies_failed: +dev_set_name_failed: put_device(dev); success: return rc; diff --git a/drivers/s390/char/tty3270.c b/drivers/s390/char/tty3270.c index 3f4ca4e09a4c..34629ea913d4 100644 --- a/drivers/s390/char/tty3270.c +++ b/drivers/s390/char/tty3270.c @@ -942,7 +942,7 @@ static int tty3270_install(struct tty_driver *driver, struct tty_struct *tty) return rc; } - tp->screen = tty3270_alloc_screen(tp->view.cols, tp->view.rows); + tp->screen = tty3270_alloc_screen(tp->view.rows, tp->view.cols); if (IS_ERR(tp->screen)) { rc = PTR_ERR(tp->screen); raw3270_put_view(&tp->view); diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig index eb1f1ef5fa2e..94964af1428d 100644 --- a/drivers/spi/Kconfig +++ b/drivers/spi/Kconfig @@ -118,6 +118,13 @@ config SPI_BCM63XX help Enable support for the SPI controller on the Broadcom BCM63xx SoCs. +config SPI_BCM63XX_HSSPI + tristate "Broadcom BCM63XX HS SPI controller driver" + depends on BCM63XX || COMPILE_TEST + help + This enables support for the High Speed SPI controller present on + newer Broadcom BCM63XX SoCs. + config SPI_BITBANG tristate "Utilities for Bitbanging SPI masters" help @@ -159,7 +166,6 @@ config SPI_DAVINCI tristate "Texas Instruments DaVinci/DA8x/OMAP-L/AM1x SoC SPI controller" depends on ARCH_DAVINCI || ARCH_KEYSTONE select SPI_BITBANG - select TI_EDMA help SPI master controller for DaVinci/DA8x/OMAP-L/AM1x SPI modules. @@ -370,7 +376,7 @@ config SPI_PXA2XX_PCI config SPI_RSPI tristate "Renesas RSPI controller" - depends on (SUPERH || ARCH_SHMOBILE) && SH_DMAE_BASE + depends on (SUPERH && SH_DMAE_BASE) || ARCH_SHMOBILE help SPI driver for Renesas RSPI blocks. diff --git a/drivers/spi/Makefile b/drivers/spi/Makefile index ab8d8644af0e..95af48d2d360 100644 --- a/drivers/spi/Makefile +++ b/drivers/spi/Makefile @@ -16,6 +16,7 @@ obj-$(CONFIG_SPI_ATH79) += spi-ath79.o obj-$(CONFIG_SPI_AU1550) += spi-au1550.o obj-$(CONFIG_SPI_BCM2835) += spi-bcm2835.o obj-$(CONFIG_SPI_BCM63XX) += spi-bcm63xx.o +obj-$(CONFIG_SPI_BCM63XX_HSSPI) += spi-bcm63xx-hsspi.o obj-$(CONFIG_SPI_BFIN5XX) += spi-bfin5xx.o obj-$(CONFIG_SPI_BFIN_V3) += spi-bfin-v3.o obj-$(CONFIG_SPI_BFIN_SPORT) += spi-bfin-sport.o diff --git a/drivers/spi/spi-altera.c b/drivers/spi/spi-altera.c index 595b62cb545d..5d7deaf62867 100644 --- a/drivers/spi/spi-altera.c +++ b/drivers/spi/spi-altera.c @@ -220,8 +220,6 @@ static int altera_spi_probe(struct platform_device *pdev) /* setup the state for the bitbang driver */ hw->bitbang.master = master; - if (!hw->bitbang.master) - return err; hw->bitbang.chipselect = altera_spi_chipsel; hw->bitbang.txrx_bufs = altera_spi_txrx; diff --git a/drivers/spi/spi-ath79.c b/drivers/spi/spi-ath79.c index 821bf7ac218d..31534b51715a 100644 --- a/drivers/spi/spi-ath79.c +++ b/drivers/spi/spi-ath79.c @@ -243,21 +243,21 @@ static int ath79_spi_probe(struct platform_device *pdev) goto err_put_master; } - sp->base = ioremap(r->start, resource_size(r)); + sp->base = devm_ioremap(&pdev->dev, r->start, resource_size(r)); if (!sp->base) { ret = -ENXIO; goto err_put_master; } - sp->clk = clk_get(&pdev->dev, "ahb"); + sp->clk = devm_clk_get(&pdev->dev, "ahb"); if (IS_ERR(sp->clk)) { ret = PTR_ERR(sp->clk); - goto err_unmap; + goto err_put_master; } ret = clk_enable(sp->clk); if (ret) - goto err_clk_put; + goto err_put_master; rate = DIV_ROUND_UP(clk_get_rate(sp->clk), MHZ); if (!rate) { @@ -280,10 +280,6 @@ err_disable: ath79_spi_disable(sp); err_clk_disable: clk_disable(sp->clk); -err_clk_put: - clk_put(sp->clk); -err_unmap: - iounmap(sp->base); err_put_master: spi_master_put(sp->bitbang.master); @@ -297,8 +293,6 @@ static int ath79_spi_remove(struct platform_device *pdev) spi_bitbang_stop(&sp->bitbang); ath79_spi_disable(sp); clk_disable(sp->clk); - clk_put(sp->clk); - iounmap(sp->base); spi_master_put(sp->bitbang.master); return 0; diff --git a/drivers/spi/spi-atmel.c b/drivers/spi/spi-atmel.c index 273db0beb2b8..b0842f751016 100644 --- a/drivers/spi/spi-atmel.c +++ b/drivers/spi/spi-atmel.c @@ -189,6 +189,8 @@ */ #define DMA_MIN_BYTES 16 +#define SPI_DMA_TIMEOUT (msecs_to_jiffies(1000)) + struct atmel_spi_dma { struct dma_chan *chan_rx; struct dma_chan *chan_tx; @@ -220,17 +222,13 @@ struct atmel_spi { int irq; struct clk *clk; struct platform_device *pdev; - struct spi_device *stay; - u8 stopping; - struct list_head queue; - struct tasklet_struct tasklet; struct spi_transfer *current_transfer; unsigned long current_remaining_bytes; - struct spi_transfer *next_transfer; - unsigned long next_remaining_bytes; int done_status; + struct completion xfer_completion; + /* scratch buffer */ void *buffer; dma_addr_t buffer_dma; @@ -241,6 +239,9 @@ struct atmel_spi { bool use_pdc; /* dmaengine data */ struct atmel_spi_dma dma; + + bool keep_cs; + bool cs_active; }; /* Controller-specific per-slave state */ @@ -376,17 +377,6 @@ static inline bool atmel_spi_use_dma(struct atmel_spi *as, return as->use_dma && xfer->len >= DMA_MIN_BYTES; } -static inline int atmel_spi_xfer_is_last(struct spi_message *msg, - struct spi_transfer *xfer) -{ - return msg->transfers.prev == &xfer->transfer_list; -} - -static inline int atmel_spi_xfer_can_be_chained(struct spi_transfer *xfer) -{ - return xfer->delay_usecs == 0 && !xfer->cs_change; -} - static int atmel_spi_dma_slave_config(struct atmel_spi *as, struct dma_slave_config *slave_config, u8 bits_per_word) @@ -513,23 +503,20 @@ static void dma_callback(void *data) struct spi_master *master = data; struct atmel_spi *as = spi_master_get_devdata(master); - /* trigger SPI tasklet */ - tasklet_schedule(&as->tasklet); + complete(&as->xfer_completion); } /* * Next transfer using PIO. - * lock is held, spi tasklet is blocked */ static void atmel_spi_next_xfer_pio(struct spi_master *master, struct spi_transfer *xfer) { struct atmel_spi *as = spi_master_get_devdata(master); + unsigned long xfer_pos = xfer->len - as->current_remaining_bytes; dev_vdbg(master->dev.parent, "atmel_spi_next_xfer_pio\n"); - as->current_remaining_bytes = xfer->len; - /* Make sure data is not remaining in RDR */ spi_readl(as, RDR); while (spi_readl(as, SR) & SPI_BIT(RDRF)) { @@ -537,13 +524,14 @@ static void atmel_spi_next_xfer_pio(struct spi_master *master, cpu_relax(); } - if (xfer->tx_buf) + if (xfer->tx_buf) { if (xfer->bits_per_word > 8) - spi_writel(as, TDR, *(u16 *)(xfer->tx_buf)); + spi_writel(as, TDR, *(u16 *)(xfer->tx_buf + xfer_pos)); else - spi_writel(as, TDR, *(u8 *)(xfer->tx_buf)); - else + spi_writel(as, TDR, *(u8 *)(xfer->tx_buf + xfer_pos)); + } else { spi_writel(as, TDR, 0); + } dev_dbg(master->dev.parent, " start pio xfer %p: len %u tx %p rx %p bitpw %d\n", @@ -556,7 +544,6 @@ static void atmel_spi_next_xfer_pio(struct spi_master *master, /* * Submit next transfer for DMA. - * lock is held, spi tasklet is blocked */ static int atmel_spi_next_xfer_dma_submit(struct spi_master *master, struct spi_transfer *xfer, @@ -694,74 +681,90 @@ static void atmel_spi_next_xfer_data(struct spi_master *master, *plen = len; } +static int atmel_spi_set_xfer_speed(struct atmel_spi *as, + struct spi_device *spi, + struct spi_transfer *xfer) +{ + u32 scbr, csr; + unsigned long bus_hz; + + /* v1 chips start out at half the peripheral bus speed. */ + bus_hz = clk_get_rate(as->clk); + if (!atmel_spi_is_v2(as)) + bus_hz /= 2; + + /* + * Calculate the lowest divider that satisfies the + * constraint, assuming div32/fdiv/mbz == 0. + */ + if (xfer->speed_hz) + scbr = DIV_ROUND_UP(bus_hz, xfer->speed_hz); + else + /* + * This can happend if max_speed is null. + * In this case, we set the lowest possible speed + */ + scbr = 0xff; + + /* + * If the resulting divider doesn't fit into the + * register bitfield, we can't satisfy the constraint. + */ + if (scbr >= (1 << SPI_SCBR_SIZE)) { + dev_err(&spi->dev, + "setup: %d Hz too slow, scbr %u; min %ld Hz\n", + xfer->speed_hz, scbr, bus_hz/255); + return -EINVAL; + } + if (scbr == 0) { + dev_err(&spi->dev, + "setup: %d Hz too high, scbr %u; max %ld Hz\n", + xfer->speed_hz, scbr, bus_hz); + return -EINVAL; + } + csr = spi_readl(as, CSR0 + 4 * spi->chip_select); + csr = SPI_BFINS(SCBR, scbr, csr); + spi_writel(as, CSR0 + 4 * spi->chip_select, csr); + + return 0; +} + /* * Submit next transfer for PDC. * lock is held, spi irq is blocked */ static void atmel_spi_pdc_next_xfer(struct spi_master *master, - struct spi_message *msg) + struct spi_message *msg, + struct spi_transfer *xfer) { struct atmel_spi *as = spi_master_get_devdata(master); - struct spi_transfer *xfer; - u32 len, remaining; - u32 ieval; + u32 len; dma_addr_t tx_dma, rx_dma; - if (!as->current_transfer) - xfer = list_entry(msg->transfers.next, - struct spi_transfer, transfer_list); - else if (!as->next_transfer) - xfer = list_entry(as->current_transfer->transfer_list.next, - struct spi_transfer, transfer_list); - else - xfer = NULL; - - if (xfer) { - spi_writel(as, PTCR, SPI_BIT(RXTDIS) | SPI_BIT(TXTDIS)); - - len = xfer->len; - atmel_spi_next_xfer_data(master, xfer, &tx_dma, &rx_dma, &len); - remaining = xfer->len - len; - - spi_writel(as, RPR, rx_dma); - spi_writel(as, TPR, tx_dma); - - if (msg->spi->bits_per_word > 8) - len >>= 1; - spi_writel(as, RCR, len); - spi_writel(as, TCR, len); - - dev_dbg(&msg->spi->dev, - " start xfer %p: len %u tx %p/%08llx rx %p/%08llx\n", - xfer, xfer->len, xfer->tx_buf, - (unsigned long long)xfer->tx_dma, xfer->rx_buf, - (unsigned long long)xfer->rx_dma); - } else { - xfer = as->next_transfer; - remaining = as->next_remaining_bytes; - } + spi_writel(as, PTCR, SPI_BIT(RXTDIS) | SPI_BIT(TXTDIS)); - as->current_transfer = xfer; - as->current_remaining_bytes = remaining; + len = as->current_remaining_bytes; + atmel_spi_next_xfer_data(master, xfer, &tx_dma, &rx_dma, &len); + as->current_remaining_bytes -= len; - if (remaining > 0) - len = remaining; - else if (!atmel_spi_xfer_is_last(msg, xfer) - && atmel_spi_xfer_can_be_chained(xfer)) { - xfer = list_entry(xfer->transfer_list.next, - struct spi_transfer, transfer_list); - len = xfer->len; - } else - xfer = NULL; + spi_writel(as, RPR, rx_dma); + spi_writel(as, TPR, tx_dma); - as->next_transfer = xfer; + if (msg->spi->bits_per_word > 8) + len >>= 1; + spi_writel(as, RCR, len); + spi_writel(as, TCR, len); - if (xfer) { - u32 total; + dev_dbg(&msg->spi->dev, + " start xfer %p: len %u tx %p/%08llx rx %p/%08llx\n", + xfer, xfer->len, xfer->tx_buf, + (unsigned long long)xfer->tx_dma, xfer->rx_buf, + (unsigned long long)xfer->rx_dma); - total = len; + if (as->current_remaining_bytes) { + len = as->current_remaining_bytes; atmel_spi_next_xfer_data(master, xfer, &tx_dma, &rx_dma, &len); - as->next_remaining_bytes = total - len; + as->current_remaining_bytes -= len; spi_writel(as, RNPR, rx_dma); spi_writel(as, TNPR, tx_dma); @@ -776,11 +779,6 @@ static void atmel_spi_pdc_next_xfer(struct spi_master *master, xfer, xfer->len, xfer->tx_buf, (unsigned long long)xfer->tx_dma, xfer->rx_buf, (unsigned long long)xfer->rx_dma); - ieval = SPI_BIT(ENDRX) | SPI_BIT(OVRES); - } else { - spi_writel(as, RNCR, 0); - spi_writel(as, TNCR, 0); - ieval = SPI_BIT(RXBUFF) | SPI_BIT(ENDRX) | SPI_BIT(OVRES); } /* REVISIT: We're waiting for ENDRX before we start the next @@ -793,83 +791,11 @@ static void atmel_spi_pdc_next_xfer(struct spi_master *master, * * It should be doable, though. Just not now... */ - spi_writel(as, IER, ieval); + spi_writel(as, IER, SPI_BIT(ENDRX) | SPI_BIT(OVRES)); spi_writel(as, PTCR, SPI_BIT(TXTEN) | SPI_BIT(RXTEN)); } /* - * Choose way to submit next transfer and start it. - * lock is held, spi tasklet is blocked - */ -static void atmel_spi_dma_next_xfer(struct spi_master *master, - struct spi_message *msg) -{ - struct atmel_spi *as = spi_master_get_devdata(master); - struct spi_transfer *xfer; - u32 remaining, len; - - remaining = as->current_remaining_bytes; - if (remaining) { - xfer = as->current_transfer; - len = remaining; - } else { - if (!as->current_transfer) - xfer = list_entry(msg->transfers.next, - struct spi_transfer, transfer_list); - else - xfer = list_entry( - as->current_transfer->transfer_list.next, - struct spi_transfer, transfer_list); - - as->current_transfer = xfer; - len = xfer->len; - } - - if (atmel_spi_use_dma(as, xfer)) { - u32 total = len; - if (!atmel_spi_next_xfer_dma_submit(master, xfer, &len)) { - as->current_remaining_bytes = total - len; - return; - } else { - dev_err(&msg->spi->dev, "unable to use DMA, fallback to PIO\n"); - } - } - - /* use PIO if error appened using DMA */ - atmel_spi_next_xfer_pio(master, xfer); -} - -static void atmel_spi_next_message(struct spi_master *master) -{ - struct atmel_spi *as = spi_master_get_devdata(master); - struct spi_message *msg; - struct spi_device *spi; - - BUG_ON(as->current_transfer); - - msg = list_entry(as->queue.next, struct spi_message, queue); - spi = msg->spi; - - dev_dbg(master->dev.parent, "start message %p for %s\n", - msg, dev_name(&spi->dev)); - - /* select chip if it's not still active */ - if (as->stay) { - if (as->stay != spi) { - cs_deactivate(as, as->stay); - cs_activate(as, spi); - } - as->stay = NULL; - } else - cs_activate(as, spi); - - if (as->use_pdc) - atmel_spi_pdc_next_xfer(master, msg); - else - atmel_spi_dma_next_xfer(master, msg); -} - -/* * For DMA, tx_buf/tx_dma have the same relationship as rx_buf/rx_dma: * - The buffer is either valid for CPU access, else NULL * - If the buffer is valid, so is its DMA address @@ -924,41 +850,7 @@ static void atmel_spi_disable_pdc_transfer(struct atmel_spi *as) spi_writel(as, PTCR, SPI_BIT(RXTDIS) | SPI_BIT(TXTDIS)); } -static void -atmel_spi_msg_done(struct spi_master *master, struct atmel_spi *as, - struct spi_message *msg, int stay) -{ - if (!stay || as->done_status < 0) - cs_deactivate(as, msg->spi); - else - as->stay = msg->spi; - - list_del(&msg->queue); - msg->status = as->done_status; - - dev_dbg(master->dev.parent, - "xfer complete: %u bytes transferred\n", - msg->actual_length); - - atmel_spi_unlock(as); - msg->complete(msg->context); - atmel_spi_lock(as); - - as->current_transfer = NULL; - as->next_transfer = NULL; - as->done_status = 0; - - /* continue if needed */ - if (list_empty(&as->queue) || as->stopping) { - if (as->use_pdc) - atmel_spi_disable_pdc_transfer(as); - } else { - atmel_spi_next_message(master); - } -} - /* Called from IRQ - * lock is held * * Must update "current_remaining_bytes" to keep track of data * to transfer. @@ -966,9 +858,7 @@ atmel_spi_msg_done(struct spi_master *master, struct atmel_spi *as, static void atmel_spi_pump_pio_data(struct atmel_spi *as, struct spi_transfer *xfer) { - u8 *txp; u8 *rxp; - u16 *txp16; u16 *rxp16; unsigned long xfer_pos = xfer->len - as->current_remaining_bytes; @@ -990,96 +880,12 @@ atmel_spi_pump_pio_data(struct atmel_spi *as, struct spi_transfer *xfer) } else { as->current_remaining_bytes--; } - - if (as->current_remaining_bytes) { - if (xfer->tx_buf) { - if (xfer->bits_per_word > 8) { - txp16 = (u16 *)(((u8 *)xfer->tx_buf) - + xfer_pos + 2); - spi_writel(as, TDR, *txp16); - } else { - txp = ((u8 *)xfer->tx_buf) + xfer_pos + 1; - spi_writel(as, TDR, *txp); - } - } else { - spi_writel(as, TDR, 0); - } - } -} - -/* Tasklet - * Called from DMA callback + pio transfer and overrun IRQ. - */ -static void atmel_spi_tasklet_func(unsigned long data) -{ - struct spi_master *master = (struct spi_master *)data; - struct atmel_spi *as = spi_master_get_devdata(master); - struct spi_message *msg; - struct spi_transfer *xfer; - - dev_vdbg(master->dev.parent, "atmel_spi_tasklet_func\n"); - - atmel_spi_lock(as); - - xfer = as->current_transfer; - - if (xfer == NULL) - /* already been there */ - goto tasklet_out; - - msg = list_entry(as->queue.next, struct spi_message, queue); - - if (as->current_remaining_bytes == 0) { - if (as->done_status < 0) { - /* error happened (overrun) */ - if (atmel_spi_use_dma(as, xfer)) - atmel_spi_stop_dma(as); - } else { - /* only update length if no error */ - msg->actual_length += xfer->len; - } - - if (atmel_spi_use_dma(as, xfer)) - if (!msg->is_dma_mapped) - atmel_spi_dma_unmap_xfer(master, xfer); - - if (xfer->delay_usecs) - udelay(xfer->delay_usecs); - - if (atmel_spi_xfer_is_last(msg, xfer) || as->done_status < 0) { - /* report completed (or erroneous) message */ - atmel_spi_msg_done(master, as, msg, xfer->cs_change); - } else { - if (xfer->cs_change) { - cs_deactivate(as, msg->spi); - udelay(1); - cs_activate(as, msg->spi); - } - - /* - * Not done yet. Submit the next transfer. - * - * FIXME handle protocol options for xfer - */ - atmel_spi_dma_next_xfer(master, msg); - } - } else { - /* - * Keep going, we still have data to send in - * the current transfer. - */ - atmel_spi_dma_next_xfer(master, msg); - } - -tasklet_out: - atmel_spi_unlock(as); } /* Interrupt * * No need for locking in this Interrupt handler: done_status is the - * only information modified. What we need is the update of this field - * before tasklet runs. This is ensured by using barrier. + * only information modified. */ static irqreturn_t atmel_spi_pio_interrupt(int irq, void *dev_id) @@ -1107,8 +913,6 @@ atmel_spi_pio_interrupt(int irq, void *dev_id) * * We will also not process any remaning transfers in * the message. - * - * All actions are done in tasklet with done_status indication */ as->done_status = -EIO; smp_wmb(); @@ -1116,7 +920,7 @@ atmel_spi_pio_interrupt(int irq, void *dev_id) /* Clear any overrun happening while cleaning up */ spi_readl(as, SR); - tasklet_schedule(&as->tasklet); + complete(&as->xfer_completion); } else if (pending & SPI_BIT(RDRF)) { atmel_spi_lock(as); @@ -1125,11 +929,10 @@ atmel_spi_pio_interrupt(int irq, void *dev_id) ret = IRQ_HANDLED; xfer = as->current_transfer; atmel_spi_pump_pio_data(as, xfer); - if (!as->current_remaining_bytes) { - /* no more data to xfer, kick tasklet */ + if (!as->current_remaining_bytes) spi_writel(as, IDR, pending); - tasklet_schedule(&as->tasklet); - } + + complete(&as->xfer_completion); } atmel_spi_unlock(as); @@ -1147,116 +950,35 @@ atmel_spi_pdc_interrupt(int irq, void *dev_id) { struct spi_master *master = dev_id; struct atmel_spi *as = spi_master_get_devdata(master); - struct spi_message *msg; - struct spi_transfer *xfer; u32 status, pending, imr; int ret = IRQ_NONE; - atmel_spi_lock(as); - - xfer = as->current_transfer; - msg = list_entry(as->queue.next, struct spi_message, queue); - imr = spi_readl(as, IMR); status = spi_readl(as, SR); pending = status & imr; if (pending & SPI_BIT(OVRES)) { - int timeout; ret = IRQ_HANDLED; spi_writel(as, IDR, (SPI_BIT(RXBUFF) | SPI_BIT(ENDRX) | SPI_BIT(OVRES))); - /* - * When we get an overrun, we disregard the current - * transfer. Data will not be copied back from any - * bounce buffer and msg->actual_len will not be - * updated with the last xfer. - * - * We will also not process any remaning transfers in - * the message. - * - * First, stop the transfer and unmap the DMA buffers. - */ - spi_writel(as, PTCR, SPI_BIT(RXTDIS) | SPI_BIT(TXTDIS)); - if (!msg->is_dma_mapped) - atmel_spi_dma_unmap_xfer(master, xfer); - - /* REVISIT: udelay in irq is unfriendly */ - if (xfer->delay_usecs) - udelay(xfer->delay_usecs); - - dev_warn(master->dev.parent, "overrun (%u/%u remaining)\n", - spi_readl(as, TCR), spi_readl(as, RCR)); - - /* - * Clean up DMA registers and make sure the data - * registers are empty. - */ - spi_writel(as, RNCR, 0); - spi_writel(as, TNCR, 0); - spi_writel(as, RCR, 0); - spi_writel(as, TCR, 0); - for (timeout = 1000; timeout; timeout--) - if (spi_readl(as, SR) & SPI_BIT(TXEMPTY)) - break; - if (!timeout) - dev_warn(master->dev.parent, - "timeout waiting for TXEMPTY"); - while (spi_readl(as, SR) & SPI_BIT(RDRF)) - spi_readl(as, RDR); - /* Clear any overrun happening while cleaning up */ spi_readl(as, SR); as->done_status = -EIO; - atmel_spi_msg_done(master, as, msg, 0); + + complete(&as->xfer_completion); + } else if (pending & (SPI_BIT(RXBUFF) | SPI_BIT(ENDRX))) { ret = IRQ_HANDLED; spi_writel(as, IDR, pending); - if (as->current_remaining_bytes == 0) { - msg->actual_length += xfer->len; - - if (!msg->is_dma_mapped) - atmel_spi_dma_unmap_xfer(master, xfer); - - /* REVISIT: udelay in irq is unfriendly */ - if (xfer->delay_usecs) - udelay(xfer->delay_usecs); - - if (atmel_spi_xfer_is_last(msg, xfer)) { - /* report completed message */ - atmel_spi_msg_done(master, as, msg, - xfer->cs_change); - } else { - if (xfer->cs_change) { - cs_deactivate(as, msg->spi); - udelay(1); - cs_activate(as, msg->spi); - } - - /* - * Not done yet. Submit the next transfer. - * - * FIXME handle protocol options for xfer - */ - atmel_spi_pdc_next_xfer(master, msg); - } - } else { - /* - * Keep going, we still have data to send in - * the current transfer. - */ - atmel_spi_pdc_next_xfer(master, msg); - } + complete(&as->xfer_completion); } - atmel_spi_unlock(as); - return ret; } @@ -1264,17 +986,13 @@ static int atmel_spi_setup(struct spi_device *spi) { struct atmel_spi *as; struct atmel_spi_device *asd; - u32 scbr, csr; + u32 csr; unsigned int bits = spi->bits_per_word; - unsigned long bus_hz; unsigned int npcs_pin; int ret; as = spi_master_get_devdata(spi->master); - if (as->stopping) - return -ESHUTDOWN; - if (spi->chip_select > spi->master->num_chipselect) { dev_dbg(&spi->dev, "setup: invalid chipselect %u (%u defined)\n", @@ -1290,33 +1008,7 @@ static int atmel_spi_setup(struct spi_device *spi) return -EINVAL; } - /* v1 chips start out at half the peripheral bus speed. */ - bus_hz = clk_get_rate(as->clk); - if (!atmel_spi_is_v2(as)) - bus_hz /= 2; - - if (spi->max_speed_hz) { - /* - * Calculate the lowest divider that satisfies the - * constraint, assuming div32/fdiv/mbz == 0. - */ - scbr = DIV_ROUND_UP(bus_hz, spi->max_speed_hz); - - /* - * If the resulting divider doesn't fit into the - * register bitfield, we can't satisfy the constraint. - */ - if (scbr >= (1 << SPI_SCBR_SIZE)) { - dev_dbg(&spi->dev, - "setup: %d Hz too slow, scbr %u; min %ld Hz\n", - spi->max_speed_hz, scbr, bus_hz/255); - return -EINVAL; - } - } else - /* speed zero means "as slow as possible" */ - scbr = 0xff; - - csr = SPI_BF(SCBR, scbr) | SPI_BF(BITS, bits - 8); + csr = SPI_BF(BITS, bits - 8); if (spi->mode & SPI_CPOL) csr |= SPI_BIT(CPOL); if (!(spi->mode & SPI_CPHA)) @@ -1352,19 +1044,13 @@ static int atmel_spi_setup(struct spi_device *spi) asd->npcs_pin = npcs_pin; spi->controller_state = asd; gpio_direction_output(npcs_pin, !(spi->mode & SPI_CS_HIGH)); - } else { - atmel_spi_lock(as); - if (as->stay == spi) - as->stay = NULL; - cs_deactivate(as, spi); - atmel_spi_unlock(as); } asd->csr = csr; dev_dbg(&spi->dev, - "setup: %lu Hz bpw %u mode 0x%x -> csr%d %08x\n", - bus_hz / scbr, bits, spi->mode, spi->chip_select, csr); + "setup: bpw %u mode 0x%x -> csr%d %08x\n", + bits, spi->mode, spi->chip_select, csr); if (!atmel_spi_is_v2(as)) spi_writel(as, CSR0 + 4 * spi->chip_select, csr); @@ -1372,103 +1058,218 @@ static int atmel_spi_setup(struct spi_device *spi) return 0; } -static int atmel_spi_transfer(struct spi_device *spi, struct spi_message *msg) +static int atmel_spi_one_transfer(struct spi_master *master, + struct spi_message *msg, + struct spi_transfer *xfer) { struct atmel_spi *as; - struct spi_transfer *xfer; - struct device *controller = spi->master->dev.parent; + struct spi_device *spi = msg->spi; u8 bits; + u32 len; struct atmel_spi_device *asd; + int timeout; + int ret; - as = spi_master_get_devdata(spi->master); - - dev_dbg(controller, "new message %p submitted for %s\n", - msg, dev_name(&spi->dev)); + as = spi_master_get_devdata(master); - if (unlikely(list_empty(&msg->transfers))) + if (!(xfer->tx_buf || xfer->rx_buf) && xfer->len) { + dev_dbg(&spi->dev, "missing rx or tx buf\n"); return -EINVAL; + } - if (as->stopping) - return -ESHUTDOWN; + if (xfer->bits_per_word) { + asd = spi->controller_state; + bits = (asd->csr >> 4) & 0xf; + if (bits != xfer->bits_per_word - 8) { + dev_dbg(&spi->dev, + "you can't yet change bits_per_word in transfers\n"); + return -ENOPROTOOPT; + } + } - list_for_each_entry(xfer, &msg->transfers, transfer_list) { - if (!(xfer->tx_buf || xfer->rx_buf) && xfer->len) { - dev_dbg(&spi->dev, "missing rx or tx buf\n"); + if (xfer->bits_per_word > 8) { + if (xfer->len % 2) { + dev_dbg(&spi->dev, + "buffer len should be 16 bits aligned\n"); return -EINVAL; } + } - if (xfer->bits_per_word) { - asd = spi->controller_state; - bits = (asd->csr >> 4) & 0xf; - if (bits != xfer->bits_per_word - 8) { - dev_dbg(&spi->dev, - "you can't yet change bits_per_word in transfers\n"); - return -ENOPROTOOPT; + /* + * DMA map early, for performance (empties dcache ASAP) and + * better fault reporting. + */ + if ((!msg->is_dma_mapped) + && (atmel_spi_use_dma(as, xfer) || as->use_pdc)) { + if (atmel_spi_dma_map_xfer(as, xfer) < 0) + return -ENOMEM; + } + + atmel_spi_set_xfer_speed(as, msg->spi, xfer); + + as->done_status = 0; + as->current_transfer = xfer; + as->current_remaining_bytes = xfer->len; + while (as->current_remaining_bytes) { + reinit_completion(&as->xfer_completion); + + if (as->use_pdc) { + atmel_spi_pdc_next_xfer(master, msg, xfer); + } else if (atmel_spi_use_dma(as, xfer)) { + len = as->current_remaining_bytes; + ret = atmel_spi_next_xfer_dma_submit(master, + xfer, &len); + if (ret) { + dev_err(&spi->dev, + "unable to use DMA, fallback to PIO\n"); + atmel_spi_next_xfer_pio(master, xfer); + } else { + as->current_remaining_bytes -= len; } + } else { + atmel_spi_next_xfer_pio(master, xfer); } - if (xfer->bits_per_word > 8) { - if (xfer->len % 2) { - dev_dbg(&spi->dev, "buffer len should be 16 bits aligned\n"); - return -EINVAL; - } + ret = wait_for_completion_timeout(&as->xfer_completion, + SPI_DMA_TIMEOUT); + if (WARN_ON(ret == 0)) { + dev_err(&spi->dev, + "spi trasfer timeout, err %d\n", ret); + as->done_status = -EIO; + } else { + ret = 0; } - /* FIXME implement these protocol options!! */ - if (xfer->speed_hz < spi->max_speed_hz) { - dev_dbg(&spi->dev, "can't change speed in transfer\n"); - return -ENOPROTOOPT; + if (as->done_status) + break; + } + + if (as->done_status) { + if (as->use_pdc) { + dev_warn(master->dev.parent, + "overrun (%u/%u remaining)\n", + spi_readl(as, TCR), spi_readl(as, RCR)); + + /* + * Clean up DMA registers and make sure the data + * registers are empty. + */ + spi_writel(as, RNCR, 0); + spi_writel(as, TNCR, 0); + spi_writel(as, RCR, 0); + spi_writel(as, TCR, 0); + for (timeout = 1000; timeout; timeout--) + if (spi_readl(as, SR) & SPI_BIT(TXEMPTY)) + break; + if (!timeout) + dev_warn(master->dev.parent, + "timeout waiting for TXEMPTY"); + while (spi_readl(as, SR) & SPI_BIT(RDRF)) + spi_readl(as, RDR); + + /* Clear any overrun happening while cleaning up */ + spi_readl(as, SR); + + } else if (atmel_spi_use_dma(as, xfer)) { + atmel_spi_stop_dma(as); } - /* - * DMA map early, for performance (empties dcache ASAP) and - * better fault reporting. - */ - if ((!msg->is_dma_mapped) && (atmel_spi_use_dma(as, xfer) - || as->use_pdc)) { - if (atmel_spi_dma_map_xfer(as, xfer) < 0) - return -ENOMEM; + if (!msg->is_dma_mapped + && (atmel_spi_use_dma(as, xfer) || as->use_pdc)) + atmel_spi_dma_unmap_xfer(master, xfer); + + return 0; + + } else { + /* only update length if no error */ + msg->actual_length += xfer->len; + } + + if (!msg->is_dma_mapped + && (atmel_spi_use_dma(as, xfer) || as->use_pdc)) + atmel_spi_dma_unmap_xfer(master, xfer); + + if (xfer->delay_usecs) + udelay(xfer->delay_usecs); + + if (xfer->cs_change) { + if (list_is_last(&xfer->transfer_list, + &msg->transfers)) { + as->keep_cs = true; + } else { + as->cs_active = !as->cs_active; + if (as->cs_active) + cs_activate(as, msg->spi); + else + cs_deactivate(as, msg->spi); } } -#ifdef VERBOSE + return 0; +} + +static int atmel_spi_transfer_one_message(struct spi_master *master, + struct spi_message *msg) +{ + struct atmel_spi *as; + struct spi_transfer *xfer; + struct spi_device *spi = msg->spi; + int ret = 0; + + as = spi_master_get_devdata(master); + + dev_dbg(&spi->dev, "new message %p submitted for %s\n", + msg, dev_name(&spi->dev)); + + if (unlikely(list_empty(&msg->transfers))) + return -EINVAL; + + atmel_spi_lock(as); + cs_activate(as, spi); + + as->cs_active = true; + as->keep_cs = false; + + msg->status = 0; + msg->actual_length = 0; + list_for_each_entry(xfer, &msg->transfers, transfer_list) { - dev_dbg(controller, + ret = atmel_spi_one_transfer(master, msg, xfer); + if (ret) + goto msg_done; + } + + if (as->use_pdc) + atmel_spi_disable_pdc_transfer(as); + + list_for_each_entry(xfer, &msg->transfers, transfer_list) { + dev_dbg(&spi->dev, " xfer %p: len %u tx %p/%08x rx %p/%08x\n", xfer, xfer->len, xfer->tx_buf, xfer->tx_dma, xfer->rx_buf, xfer->rx_dma); } -#endif - msg->status = -EINPROGRESS; - msg->actual_length = 0; +msg_done: + if (!as->keep_cs) + cs_deactivate(as, msg->spi); - atmel_spi_lock(as); - list_add_tail(&msg->queue, &as->queue); - if (!as->current_transfer) - atmel_spi_next_message(spi->master); atmel_spi_unlock(as); - return 0; + msg->status = as->done_status; + spi_finalize_current_message(spi->master); + + return ret; } static void atmel_spi_cleanup(struct spi_device *spi) { - struct atmel_spi *as = spi_master_get_devdata(spi->master); struct atmel_spi_device *asd = spi->controller_state; unsigned gpio = (unsigned) spi->controller_data; if (!asd) return; - atmel_spi_lock(as); - if (as->stay == spi) { - as->stay = NULL; - cs_deactivate(as, spi); - } - atmel_spi_unlock(as); - spi->controller_state = NULL; gpio_free(gpio); kfree(asd); @@ -1510,7 +1311,7 @@ static int atmel_spi_probe(struct platform_device *pdev) if (irq < 0) return irq; - clk = clk_get(&pdev->dev, "spi_clk"); + clk = devm_clk_get(&pdev->dev, "spi_clk"); if (IS_ERR(clk)) return PTR_ERR(clk); @@ -1527,7 +1328,7 @@ static int atmel_spi_probe(struct platform_device *pdev) master->bus_num = pdev->id; master->num_chipselect = master->dev.of_node ? 0 : 4; master->setup = atmel_spi_setup; - master->transfer = atmel_spi_transfer; + master->transfer_one_message = atmel_spi_transfer_one_message; master->cleanup = atmel_spi_cleanup; platform_set_drvdata(pdev, master); @@ -1543,7 +1344,6 @@ static int atmel_spi_probe(struct platform_device *pdev) goto out_free; spin_lock_init(&as->lock); - INIT_LIST_HEAD(&as->queue); as->pdev = pdev; as->regs = devm_ioremap_resource(&pdev->dev, regs); @@ -1555,6 +1355,8 @@ static int atmel_spi_probe(struct platform_device *pdev) as->irq = irq; as->clk = clk; + init_completion(&as->xfer_completion); + atmel_get_caps(as); as->use_dma = false; @@ -1570,14 +1372,11 @@ static int atmel_spi_probe(struct platform_device *pdev) dev_info(&pdev->dev, "Atmel SPI Controller using PIO only\n"); if (as->use_pdc) { - ret = request_irq(irq, atmel_spi_pdc_interrupt, 0, - dev_name(&pdev->dev), master); + ret = devm_request_irq(&pdev->dev, irq, atmel_spi_pdc_interrupt, + 0, dev_name(&pdev->dev), master); } else { - tasklet_init(&as->tasklet, atmel_spi_tasklet_func, - (unsigned long)master); - - ret = request_irq(irq, atmel_spi_pio_interrupt, 0, - dev_name(&pdev->dev), master); + ret = devm_request_irq(&pdev->dev, irq, atmel_spi_pio_interrupt, + 0, dev_name(&pdev->dev), master); } if (ret) goto out_unmap_regs; @@ -1603,7 +1402,7 @@ static int atmel_spi_probe(struct platform_device *pdev) dev_info(&pdev->dev, "Atmel SPI Controller at 0x%08lx (irq %d)\n", (unsigned long)regs->start, irq); - ret = spi_register_master(master); + ret = devm_spi_register_master(&pdev->dev, master); if (ret) goto out_free_dma; @@ -1617,15 +1416,11 @@ out_free_dma: spi_writel(as, CR, SPI_BIT(SWRST)); /* AT91SAM9263 Rev B workaround */ clk_disable_unprepare(clk); out_free_irq: - free_irq(irq, master); out_unmap_regs: out_free_buffer: - if (!as->use_pdc) - tasklet_kill(&as->tasklet); dma_free_coherent(&pdev->dev, BUFFER_SIZE, as->buffer, as->buffer_dma); out_free: - clk_put(clk); spi_master_put(master); return ret; } @@ -1634,12 +1429,9 @@ static int atmel_spi_remove(struct platform_device *pdev) { struct spi_master *master = platform_get_drvdata(pdev); struct atmel_spi *as = spi_master_get_devdata(master); - struct spi_message *msg; - struct spi_transfer *xfer; /* reset the hardware and block queue progress */ spin_lock_irq(&as->lock); - as->stopping = 1; if (as->use_dma) { atmel_spi_stop_dma(as); atmel_spi_release_dma(as); @@ -1650,28 +1442,10 @@ static int atmel_spi_remove(struct platform_device *pdev) spi_readl(as, SR); spin_unlock_irq(&as->lock); - /* Terminate remaining queued transfers */ - list_for_each_entry(msg, &as->queue, queue) { - list_for_each_entry(xfer, &msg->transfers, transfer_list) { - if (!msg->is_dma_mapped - && (atmel_spi_use_dma(as, xfer) - || as->use_pdc)) - atmel_spi_dma_unmap_xfer(master, xfer); - } - msg->status = -ESHUTDOWN; - msg->complete(msg->context); - } - - if (!as->use_pdc) - tasklet_kill(&as->tasklet); dma_free_coherent(&pdev->dev, BUFFER_SIZE, as->buffer, as->buffer_dma); clk_disable_unprepare(as->clk); - clk_put(as->clk); - free_irq(as->irq, master); - - spi_unregister_master(master); return 0; } diff --git a/drivers/spi/spi-bcm2835.c b/drivers/spi/spi-bcm2835.c index 9025edd7dc45..8a89dd1f2654 100644 --- a/drivers/spi/spi-bcm2835.c +++ b/drivers/spi/spi-bcm2835.c @@ -347,8 +347,8 @@ static int bcm2835_spi_probe(struct platform_device *pdev) clk_prepare_enable(bs->clk); - err = request_irq(bs->irq, bcm2835_spi_interrupt, 0, - dev_name(&pdev->dev), master); + err = devm_request_irq(&pdev->dev, bs->irq, bcm2835_spi_interrupt, 0, + dev_name(&pdev->dev), master); if (err) { dev_err(&pdev->dev, "could not request IRQ: %d\n", err); goto out_clk_disable; @@ -361,13 +361,11 @@ static int bcm2835_spi_probe(struct platform_device *pdev) err = devm_spi_register_master(&pdev->dev, master); if (err) { dev_err(&pdev->dev, "could not register SPI master: %d\n", err); - goto out_free_irq; + goto out_clk_disable; } return 0; -out_free_irq: - free_irq(bs->irq, master); out_clk_disable: clk_disable_unprepare(bs->clk); out_master_put: @@ -380,8 +378,6 @@ static int bcm2835_spi_remove(struct platform_device *pdev) struct spi_master *master = platform_get_drvdata(pdev); struct bcm2835_spi *bs = spi_master_get_devdata(master); - free_irq(bs->irq, master); - /* Clear FIFOs, and disable the HW block */ bcm2835_wr(bs, BCM2835_SPI_CS, BCM2835_SPI_CS_CLEAR_RX | BCM2835_SPI_CS_CLEAR_TX); diff --git a/drivers/spi/spi-bcm63xx-hsspi.c b/drivers/spi/spi-bcm63xx-hsspi.c new file mode 100644 index 000000000000..b528f9fc8bc0 --- /dev/null +++ b/drivers/spi/spi-bcm63xx-hsspi.c @@ -0,0 +1,475 @@ +/* + * Broadcom BCM63XX High Speed SPI Controller driver + * + * Copyright 2000-2010 Broadcom Corporation + * Copyright 2012-2013 Jonas Gorski <jogo@openwrt.org> + * + * Licensed under the GNU/GPL. See COPYING for details. + */ + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/io.h> +#include <linux/clk.h> +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/delay.h> +#include <linux/dma-mapping.h> +#include <linux/err.h> +#include <linux/interrupt.h> +#include <linux/spi/spi.h> +#include <linux/workqueue.h> +#include <linux/mutex.h> + +#define HSSPI_GLOBAL_CTRL_REG 0x0 +#define GLOBAL_CTRL_CS_POLARITY_SHIFT 0 +#define GLOBAL_CTRL_CS_POLARITY_MASK 0x000000ff +#define GLOBAL_CTRL_PLL_CLK_CTRL_SHIFT 8 +#define GLOBAL_CTRL_PLL_CLK_CTRL_MASK 0x0000ff00 +#define GLOBAL_CTRL_CLK_GATE_SSOFF BIT(16) +#define GLOBAL_CTRL_CLK_POLARITY BIT(17) +#define GLOBAL_CTRL_MOSI_IDLE BIT(18) + +#define HSSPI_GLOBAL_EXT_TRIGGER_REG 0x4 + +#define HSSPI_INT_STATUS_REG 0x8 +#define HSSPI_INT_STATUS_MASKED_REG 0xc +#define HSSPI_INT_MASK_REG 0x10 + +#define HSSPI_PINGx_CMD_DONE(i) BIT((i * 8) + 0) +#define HSSPI_PINGx_RX_OVER(i) BIT((i * 8) + 1) +#define HSSPI_PINGx_TX_UNDER(i) BIT((i * 8) + 2) +#define HSSPI_PINGx_POLL_TIMEOUT(i) BIT((i * 8) + 3) +#define HSSPI_PINGx_CTRL_INVAL(i) BIT((i * 8) + 4) + +#define HSSPI_INT_CLEAR_ALL 0xff001f1f + +#define HSSPI_PINGPONG_COMMAND_REG(x) (0x80 + (x) * 0x40) +#define PINGPONG_CMD_COMMAND_MASK 0xf +#define PINGPONG_COMMAND_NOOP 0 +#define PINGPONG_COMMAND_START_NOW 1 +#define PINGPONG_COMMAND_START_TRIGGER 2 +#define PINGPONG_COMMAND_HALT 3 +#define PINGPONG_COMMAND_FLUSH 4 +#define PINGPONG_CMD_PROFILE_SHIFT 8 +#define PINGPONG_CMD_SS_SHIFT 12 + +#define HSSPI_PINGPONG_STATUS_REG(x) (0x84 + (x) * 0x40) + +#define HSSPI_PROFILE_CLK_CTRL_REG(x) (0x100 + (x) * 0x20) +#define CLK_CTRL_FREQ_CTRL_MASK 0x0000ffff +#define CLK_CTRL_SPI_CLK_2X_SEL BIT(14) +#define CLK_CTRL_ACCUM_RST_ON_LOOP BIT(15) + +#define HSSPI_PROFILE_SIGNAL_CTRL_REG(x) (0x104 + (x) * 0x20) +#define SIGNAL_CTRL_LATCH_RISING BIT(12) +#define SIGNAL_CTRL_LAUNCH_RISING BIT(13) +#define SIGNAL_CTRL_ASYNC_INPUT_PATH BIT(16) + +#define HSSPI_PROFILE_MODE_CTRL_REG(x) (0x108 + (x) * 0x20) +#define MODE_CTRL_MULTIDATA_RD_STRT_SHIFT 8 +#define MODE_CTRL_MULTIDATA_WR_STRT_SHIFT 12 +#define MODE_CTRL_MULTIDATA_RD_SIZE_SHIFT 16 +#define MODE_CTRL_MULTIDATA_WR_SIZE_SHIFT 18 +#define MODE_CTRL_MODE_3WIRE BIT(20) +#define MODE_CTRL_PREPENDBYTE_CNT_SHIFT 24 + +#define HSSPI_FIFO_REG(x) (0x200 + (x) * 0x200) + + +#define HSSPI_OP_CODE_SHIFT 13 +#define HSSPI_OP_SLEEP (0 << HSSPI_OP_CODE_SHIFT) +#define HSSPI_OP_READ_WRITE (1 << HSSPI_OP_CODE_SHIFT) +#define HSSPI_OP_WRITE (2 << HSSPI_OP_CODE_SHIFT) +#define HSSPI_OP_READ (3 << HSSPI_OP_CODE_SHIFT) +#define HSSPI_OP_SETIRQ (4 << HSSPI_OP_CODE_SHIFT) + +#define HSSPI_BUFFER_LEN 512 +#define HSSPI_OPCODE_LEN 2 + +#define HSSPI_MAX_PREPEND_LEN 15 + +#define HSSPI_MAX_SYNC_CLOCK 30000000 + +#define HSSPI_BUS_NUM 1 /* 0 is legacy SPI */ + +struct bcm63xx_hsspi { + struct completion done; + struct mutex bus_mutex; + + struct platform_device *pdev; + struct clk *clk; + void __iomem *regs; + u8 __iomem *fifo; + + u32 speed_hz; + u8 cs_polarity; +}; + +static void bcm63xx_hsspi_set_cs(struct bcm63xx_hsspi *bs, unsigned cs, + bool active) +{ + u32 reg; + + mutex_lock(&bs->bus_mutex); + reg = __raw_readl(bs->regs + HSSPI_GLOBAL_CTRL_REG); + + reg &= ~BIT(cs); + if (active == !(bs->cs_polarity & BIT(cs))) + reg |= BIT(cs); + + __raw_writel(reg, bs->regs + HSSPI_GLOBAL_CTRL_REG); + mutex_unlock(&bs->bus_mutex); +} + +static void bcm63xx_hsspi_set_clk(struct bcm63xx_hsspi *bs, + struct spi_device *spi, int hz) +{ + unsigned profile = spi->chip_select; + u32 reg; + + reg = DIV_ROUND_UP(2048, DIV_ROUND_UP(bs->speed_hz, hz)); + __raw_writel(CLK_CTRL_ACCUM_RST_ON_LOOP | reg, + bs->regs + HSSPI_PROFILE_CLK_CTRL_REG(profile)); + + reg = __raw_readl(bs->regs + HSSPI_PROFILE_SIGNAL_CTRL_REG(profile)); + if (hz > HSSPI_MAX_SYNC_CLOCK) + reg |= SIGNAL_CTRL_ASYNC_INPUT_PATH; + else + reg &= ~SIGNAL_CTRL_ASYNC_INPUT_PATH; + __raw_writel(reg, bs->regs + HSSPI_PROFILE_SIGNAL_CTRL_REG(profile)); + + mutex_lock(&bs->bus_mutex); + /* setup clock polarity */ + reg = __raw_readl(bs->regs + HSSPI_GLOBAL_CTRL_REG); + reg &= ~GLOBAL_CTRL_CLK_POLARITY; + if (spi->mode & SPI_CPOL) + reg |= GLOBAL_CTRL_CLK_POLARITY; + __raw_writel(reg, bs->regs + HSSPI_GLOBAL_CTRL_REG); + mutex_unlock(&bs->bus_mutex); +} + +static int bcm63xx_hsspi_do_txrx(struct spi_device *spi, struct spi_transfer *t) +{ + struct bcm63xx_hsspi *bs = spi_master_get_devdata(spi->master); + unsigned chip_select = spi->chip_select; + u16 opcode = 0; + int pending = t->len; + int step_size = HSSPI_BUFFER_LEN; + const u8 *tx = t->tx_buf; + u8 *rx = t->rx_buf; + + bcm63xx_hsspi_set_clk(bs, spi, t->speed_hz); + bcm63xx_hsspi_set_cs(bs, spi->chip_select, true); + + if (tx && rx) + opcode = HSSPI_OP_READ_WRITE; + else if (tx) + opcode = HSSPI_OP_WRITE; + else if (rx) + opcode = HSSPI_OP_READ; + + if (opcode != HSSPI_OP_READ) + step_size -= HSSPI_OPCODE_LEN; + + __raw_writel(0 << MODE_CTRL_PREPENDBYTE_CNT_SHIFT | + 2 << MODE_CTRL_MULTIDATA_WR_STRT_SHIFT | + 2 << MODE_CTRL_MULTIDATA_RD_STRT_SHIFT | 0xff, + bs->regs + HSSPI_PROFILE_MODE_CTRL_REG(chip_select)); + + while (pending > 0) { + int curr_step = min_t(int, step_size, pending); + + init_completion(&bs->done); + if (tx) { + memcpy_toio(bs->fifo + HSSPI_OPCODE_LEN, tx, curr_step); + tx += curr_step; + } + + __raw_writew(opcode | curr_step, bs->fifo); + + /* enable interrupt */ + __raw_writel(HSSPI_PINGx_CMD_DONE(0), + bs->regs + HSSPI_INT_MASK_REG); + + /* start the transfer */ + __raw_writel(!chip_select << PINGPONG_CMD_SS_SHIFT | + chip_select << PINGPONG_CMD_PROFILE_SHIFT | + PINGPONG_COMMAND_START_NOW, + bs->regs + HSSPI_PINGPONG_COMMAND_REG(0)); + + if (wait_for_completion_timeout(&bs->done, HZ) == 0) { + dev_err(&bs->pdev->dev, "transfer timed out!\n"); + return -ETIMEDOUT; + } + + if (rx) { + memcpy_fromio(rx, bs->fifo, curr_step); + rx += curr_step; + } + + pending -= curr_step; + } + + return 0; +} + +static int bcm63xx_hsspi_setup(struct spi_device *spi) +{ + struct bcm63xx_hsspi *bs = spi_master_get_devdata(spi->master); + u32 reg; + + reg = __raw_readl(bs->regs + + HSSPI_PROFILE_SIGNAL_CTRL_REG(spi->chip_select)); + reg &= ~(SIGNAL_CTRL_LAUNCH_RISING | SIGNAL_CTRL_LATCH_RISING); + if (spi->mode & SPI_CPHA) + reg |= SIGNAL_CTRL_LAUNCH_RISING; + else + reg |= SIGNAL_CTRL_LATCH_RISING; + __raw_writel(reg, bs->regs + + HSSPI_PROFILE_SIGNAL_CTRL_REG(spi->chip_select)); + + mutex_lock(&bs->bus_mutex); + reg = __raw_readl(bs->regs + HSSPI_GLOBAL_CTRL_REG); + + /* only change actual polarities if there is no transfer */ + if ((reg & GLOBAL_CTRL_CS_POLARITY_MASK) == bs->cs_polarity) { + if (spi->mode & SPI_CS_HIGH) + reg |= BIT(spi->chip_select); + else + reg &= ~BIT(spi->chip_select); + __raw_writel(reg, bs->regs + HSSPI_GLOBAL_CTRL_REG); + } + + if (spi->mode & SPI_CS_HIGH) + bs->cs_polarity |= BIT(spi->chip_select); + else + bs->cs_polarity &= ~BIT(spi->chip_select); + + mutex_unlock(&bs->bus_mutex); + + return 0; +} + +static int bcm63xx_hsspi_transfer_one(struct spi_master *master, + struct spi_message *msg) +{ + struct bcm63xx_hsspi *bs = spi_master_get_devdata(master); + struct spi_transfer *t; + struct spi_device *spi = msg->spi; + int status = -EINVAL; + int dummy_cs; + u32 reg; + + /* This controller does not support keeping CS active during idle. + * To work around this, we use the following ugly hack: + * + * a. Invert the target chip select's polarity so it will be active. + * b. Select a "dummy" chip select to use as the hardware target. + * c. Invert the dummy chip select's polarity so it will be inactive + * during the actual transfers. + * d. Tell the hardware to send to the dummy chip select. Thanks to + * the multiplexed nature of SPI the actual target will receive + * the transfer and we see its response. + * + * e. At the end restore the polarities again to their default values. + */ + + dummy_cs = !spi->chip_select; + bcm63xx_hsspi_set_cs(bs, dummy_cs, true); + + list_for_each_entry(t, &msg->transfers, transfer_list) { + status = bcm63xx_hsspi_do_txrx(spi, t); + if (status) + break; + + msg->actual_length += t->len; + + if (t->delay_usecs) + udelay(t->delay_usecs); + + if (t->cs_change) + bcm63xx_hsspi_set_cs(bs, spi->chip_select, false); + } + + mutex_lock(&bs->bus_mutex); + reg = __raw_readl(bs->regs + HSSPI_GLOBAL_CTRL_REG); + reg &= ~GLOBAL_CTRL_CS_POLARITY_MASK; + reg |= bs->cs_polarity; + __raw_writel(reg, bs->regs + HSSPI_GLOBAL_CTRL_REG); + mutex_unlock(&bs->bus_mutex); + + msg->status = status; + spi_finalize_current_message(master); + + return 0; +} + +static irqreturn_t bcm63xx_hsspi_interrupt(int irq, void *dev_id) +{ + struct bcm63xx_hsspi *bs = (struct bcm63xx_hsspi *)dev_id; + + if (__raw_readl(bs->regs + HSSPI_INT_STATUS_MASKED_REG) == 0) + return IRQ_NONE; + + __raw_writel(HSSPI_INT_CLEAR_ALL, bs->regs + HSSPI_INT_STATUS_REG); + __raw_writel(0, bs->regs + HSSPI_INT_MASK_REG); + + complete(&bs->done); + + return IRQ_HANDLED; +} + +static int bcm63xx_hsspi_probe(struct platform_device *pdev) +{ + struct spi_master *master; + struct bcm63xx_hsspi *bs; + struct resource *res_mem; + void __iomem *regs; + struct device *dev = &pdev->dev; + struct clk *clk; + int irq, ret; + u32 reg, rate; + + irq = platform_get_irq(pdev, 0); + if (irq < 0) { + dev_err(dev, "no irq\n"); + return -ENXIO; + } + + res_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); + regs = devm_ioremap_resource(dev, res_mem); + if (IS_ERR(regs)) + return PTR_ERR(regs); + + clk = devm_clk_get(dev, "hsspi"); + + if (IS_ERR(clk)) + return PTR_ERR(clk); + + rate = clk_get_rate(clk); + if (!rate) + return -EINVAL; + + ret = clk_prepare_enable(clk); + if (ret) + return ret; + + master = spi_alloc_master(&pdev->dev, sizeof(*bs)); + if (!master) { + ret = -ENOMEM; + goto out_disable_clk; + } + + bs = spi_master_get_devdata(master); + bs->pdev = pdev; + bs->clk = clk; + bs->regs = regs; + bs->speed_hz = rate; + bs->fifo = (u8 __iomem *)(bs->regs + HSSPI_FIFO_REG(0)); + + mutex_init(&bs->bus_mutex); + + master->bus_num = HSSPI_BUS_NUM; + master->num_chipselect = 8; + master->setup = bcm63xx_hsspi_setup; + master->transfer_one_message = bcm63xx_hsspi_transfer_one; + master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_CS_HIGH; + master->bits_per_word_mask = SPI_BPW_MASK(8); + master->auto_runtime_pm = true; + + platform_set_drvdata(pdev, master); + + /* Initialize the hardware */ + __raw_writel(0, bs->regs + HSSPI_INT_MASK_REG); + + /* clean up any pending interrupts */ + __raw_writel(HSSPI_INT_CLEAR_ALL, bs->regs + HSSPI_INT_STATUS_REG); + + /* read out default CS polarities */ + reg = __raw_readl(bs->regs + HSSPI_GLOBAL_CTRL_REG); + bs->cs_polarity = reg & GLOBAL_CTRL_CS_POLARITY_MASK; + __raw_writel(reg | GLOBAL_CTRL_CLK_GATE_SSOFF, + bs->regs + HSSPI_GLOBAL_CTRL_REG); + + ret = devm_request_irq(dev, irq, bcm63xx_hsspi_interrupt, IRQF_SHARED, + pdev->name, bs); + + if (ret) + goto out_put_master; + + /* register and we are done */ + ret = devm_spi_register_master(dev, master); + if (ret) + goto out_put_master; + + return 0; + +out_put_master: + spi_master_put(master); +out_disable_clk: + clk_disable_unprepare(clk); + return ret; +} + + +static int bcm63xx_hsspi_remove(struct platform_device *pdev) +{ + struct spi_master *master = platform_get_drvdata(pdev); + struct bcm63xx_hsspi *bs = spi_master_get_devdata(master); + + /* reset the hardware and block queue progress */ + __raw_writel(0, bs->regs + HSSPI_INT_MASK_REG); + clk_disable_unprepare(bs->clk); + + return 0; +} + +#ifdef CONFIG_PM_SLEEP +static int bcm63xx_hsspi_suspend(struct device *dev) +{ + struct spi_master *master = dev_get_drvdata(dev); + struct bcm63xx_hsspi *bs = spi_master_get_devdata(master); + + spi_master_suspend(master); + clk_disable_unprepare(bs->clk); + + return 0; +} + +static int bcm63xx_hsspi_resume(struct device *dev) +{ + struct spi_master *master = dev_get_drvdata(dev); + struct bcm63xx_hsspi *bs = spi_master_get_devdata(master); + int ret; + + ret = clk_prepare_enable(bs->clk); + if (ret) + return ret; + + spi_master_resume(master); + + return 0; +} +#endif + +static const struct dev_pm_ops bcm63xx_hsspi_pm_ops = { + SET_SYSTEM_SLEEP_PM_OPS(bcm63xx_hsspi_suspend, bcm63xx_hsspi_resume) +}; + +static struct platform_driver bcm63xx_hsspi_driver = { + .driver = { + .name = "bcm63xx-hsspi", + .owner = THIS_MODULE, + .pm = &bcm63xx_hsspi_pm_ops, + }, + .probe = bcm63xx_hsspi_probe, + .remove = bcm63xx_hsspi_remove, +}; + +module_platform_driver(bcm63xx_hsspi_driver); + +MODULE_ALIAS("platform:bcm63xx_hsspi"); +MODULE_DESCRIPTION("Broadcom BCM63xx High Speed SPI Controller driver"); +MODULE_AUTHOR("Jonas Gorski <jogo@openwrt.org>"); +MODULE_LICENSE("GPL"); diff --git a/drivers/spi/spi-bcm63xx.c b/drivers/spi/spi-bcm63xx.c index 469ecd876358..77286aef2adf 100644 --- a/drivers/spi/spi-bcm63xx.c +++ b/drivers/spi/spi-bcm63xx.c @@ -169,8 +169,6 @@ static int bcm63xx_txrx_bufs(struct spi_device *spi, struct spi_transfer *first, transfer_list); } - len -= prepend_len; - init_completion(&bs->done); /* Fill in the Message control register */ @@ -205,13 +203,7 @@ static int bcm63xx_txrx_bufs(struct spi_device *spi, struct spi_transfer *first, if (!timeout) return -ETIMEDOUT; - /* read out all data */ - rx_tail = bcm_spi_readb(bs, SPI_RX_TAIL); - - if (do_rx && rx_tail != len) - return -EIO; - - if (!rx_tail) + if (!do_rx) return 0; len = 0; @@ -345,22 +337,19 @@ static int bcm63xx_spi_probe(struct platform_device *pdev) irq = platform_get_irq(pdev, 0); if (irq < 0) { dev_err(dev, "no irq\n"); - ret = -ENXIO; - goto out; + return -ENXIO; } - clk = clk_get(dev, "spi"); + clk = devm_clk_get(dev, "spi"); if (IS_ERR(clk)) { dev_err(dev, "no clock for device\n"); - ret = PTR_ERR(clk); - goto out; + return PTR_ERR(clk); } master = spi_alloc_master(dev, sizeof(*bs)); if (!master) { dev_err(dev, "out of memory\n"); - ret = -ENOMEM; - goto out_clk; + return -ENOMEM; } bs = spi_master_get_devdata(master); @@ -408,7 +397,10 @@ static int bcm63xx_spi_probe(struct platform_device *pdev) } /* Initialize hardware */ - clk_prepare_enable(bs->clk); + ret = clk_prepare_enable(bs->clk); + if (ret) + goto out_err; + bcm_spi_writeb(bs, SPI_INTR_CLEAR_ALL, SPI_INT_STATUS); /* register and we are done */ @@ -427,9 +419,6 @@ out_clk_disable: clk_disable_unprepare(clk); out_err: spi_master_put(master); -out_clk: - clk_put(clk); -out: return ret; } @@ -443,12 +432,11 @@ static int bcm63xx_spi_remove(struct platform_device *pdev) /* HW shutdown */ clk_disable_unprepare(bs->clk); - clk_put(bs->clk); return 0; } -#ifdef CONFIG_PM +#ifdef CONFIG_PM_SLEEP static int bcm63xx_spi_suspend(struct device *dev) { struct spi_master *master = dev_get_drvdata(dev); @@ -465,29 +453,27 @@ static int bcm63xx_spi_resume(struct device *dev) { struct spi_master *master = dev_get_drvdata(dev); struct bcm63xx_spi *bs = spi_master_get_devdata(master); + int ret; - clk_prepare_enable(bs->clk); + ret = clk_prepare_enable(bs->clk); + if (ret) + return ret; spi_master_resume(master); return 0; } +#endif static const struct dev_pm_ops bcm63xx_spi_pm_ops = { - .suspend = bcm63xx_spi_suspend, - .resume = bcm63xx_spi_resume, + SET_SYSTEM_SLEEP_PM_OPS(bcm63xx_spi_suspend, bcm63xx_spi_resume) }; -#define BCM63XX_SPI_PM_OPS (&bcm63xx_spi_pm_ops) -#else -#define BCM63XX_SPI_PM_OPS NULL -#endif - static struct platform_driver bcm63xx_spi_driver = { .driver = { .name = "bcm63xx-spi", .owner = THIS_MODULE, - .pm = BCM63XX_SPI_PM_OPS, + .pm = &bcm63xx_spi_pm_ops, }, .probe = bcm63xx_spi_probe, .remove = bcm63xx_spi_remove, diff --git a/drivers/spi/spi-bitbang-txrx.h b/drivers/spi/spi-bitbang-txrx.h index c16bf853c3eb..c616e41521be 100644 --- a/drivers/spi/spi-bitbang-txrx.h +++ b/drivers/spi/spi-bitbang-txrx.h @@ -38,7 +38,7 @@ * * Since this is software, the timings may not be exactly what your board's * chips need ... there may be several reasons you'd need to tweak timings - * in these routines, not just make to make it faster or slower to match a + * in these routines, not just to make it faster or slower to match a * particular CPU clock rate. */ diff --git a/drivers/spi/spi-clps711x.c b/drivers/spi/spi-clps711x.c index 6f03d7e6435d..374ba4a48a9e 100644 --- a/drivers/spi/spi-clps711x.c +++ b/drivers/spi/spi-clps711x.c @@ -1,7 +1,7 @@ /* * CLPS711X SPI bus driver * - * Copyright (C) 2012 Alexander Shiyan <shc_work@mail.ru> + * Copyright (C) 2012-2014 Alexander Shiyan <shc_work@mail.ru> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -198,7 +198,7 @@ static int spi_clps711x_probe(struct platform_device *pdev) ret = -EINVAL; goto err_out; } - if (gpio_request(hw->chipselect[i], DRIVER_NAME)) { + if (devm_gpio_request(&pdev->dev, hw->chipselect[i], NULL)) { dev_err(&pdev->dev, "Can't get CS GPIO %i\n", i); ret = -EINVAL; goto err_out; @@ -240,38 +240,21 @@ static int spi_clps711x_probe(struct platform_device *pdev) dev_err(&pdev->dev, "Failed to register master\n"); err_out: - while (--i >= 0) - if (gpio_is_valid(hw->chipselect[i])) - gpio_free(hw->chipselect[i]); - spi_master_put(master); return ret; } -static int spi_clps711x_remove(struct platform_device *pdev) -{ - int i; - struct spi_master *master = platform_get_drvdata(pdev); - struct spi_clps711x_data *hw = spi_master_get_devdata(master); - - for (i = 0; i < master->num_chipselect; i++) - if (gpio_is_valid(hw->chipselect[i])) - gpio_free(hw->chipselect[i]); - - return 0; -} - static struct platform_driver clps711x_spi_driver = { .driver = { .name = DRIVER_NAME, .owner = THIS_MODULE, }, .probe = spi_clps711x_probe, - .remove = spi_clps711x_remove, }; module_platform_driver(clps711x_spi_driver); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Alexander Shiyan <shc_work@mail.ru>"); MODULE_DESCRIPTION("CLPS711X SPI bus driver"); +MODULE_ALIAS("platform:" DRIVER_NAME); diff --git a/drivers/spi/spi-coldfire-qspi.c b/drivers/spi/spi-coldfire-qspi.c index cc5b75d10c38..cabed8f9119e 100644 --- a/drivers/spi/spi-coldfire-qspi.c +++ b/drivers/spi/spi-coldfire-qspi.c @@ -397,44 +397,31 @@ static int mcfqspi_probe(struct platform_device *pdev) mcfqspi = spi_master_get_devdata(master); res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) { - dev_dbg(&pdev->dev, "platform_get_resource failed\n"); - status = -ENXIO; + mcfqspi->iobase = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(mcfqspi->iobase)) { + status = PTR_ERR(mcfqspi->iobase); goto fail0; } - if (!request_mem_region(res->start, resource_size(res), pdev->name)) { - dev_dbg(&pdev->dev, "request_mem_region failed\n"); - status = -EBUSY; - goto fail0; - } - - mcfqspi->iobase = ioremap(res->start, resource_size(res)); - if (!mcfqspi->iobase) { - dev_dbg(&pdev->dev, "ioremap failed\n"); - status = -ENOMEM; - goto fail1; - } - mcfqspi->irq = platform_get_irq(pdev, 0); if (mcfqspi->irq < 0) { dev_dbg(&pdev->dev, "platform_get_irq failed\n"); status = -ENXIO; - goto fail2; + goto fail0; } - status = request_irq(mcfqspi->irq, mcfqspi_irq_handler, 0, - pdev->name, mcfqspi); + status = devm_request_irq(&pdev->dev, mcfqspi->irq, mcfqspi_irq_handler, + 0, pdev->name, mcfqspi); if (status) { dev_dbg(&pdev->dev, "request_irq failed\n"); - goto fail2; + goto fail0; } - mcfqspi->clk = clk_get(&pdev->dev, "qspi_clk"); + mcfqspi->clk = devm_clk_get(&pdev->dev, "qspi_clk"); if (IS_ERR(mcfqspi->clk)) { dev_dbg(&pdev->dev, "clk_get failed\n"); status = PTR_ERR(mcfqspi->clk); - goto fail3; + goto fail0; } clk_enable(mcfqspi->clk); @@ -445,7 +432,7 @@ static int mcfqspi_probe(struct platform_device *pdev) status = mcfqspi_cs_setup(mcfqspi); if (status) { dev_dbg(&pdev->dev, "error initializing cs_control\n"); - goto fail4; + goto fail1; } init_waitqueue_head(&mcfqspi->waitq); @@ -459,10 +446,10 @@ static int mcfqspi_probe(struct platform_device *pdev) platform_set_drvdata(pdev, master); - status = spi_register_master(master); + status = devm_spi_register_master(&pdev->dev, master); if (status) { dev_dbg(&pdev->dev, "spi_register_master failed\n"); - goto fail5; + goto fail2; } pm_runtime_enable(mcfqspi->dev); @@ -470,17 +457,10 @@ static int mcfqspi_probe(struct platform_device *pdev) return 0; -fail5: - mcfqspi_cs_teardown(mcfqspi); -fail4: - clk_disable(mcfqspi->clk); - clk_put(mcfqspi->clk); -fail3: - free_irq(mcfqspi->irq, mcfqspi); fail2: - iounmap(mcfqspi->iobase); + mcfqspi_cs_teardown(mcfqspi); fail1: - release_mem_region(res->start, resource_size(res)); + clk_disable(mcfqspi->clk); fail0: spi_master_put(master); @@ -501,11 +481,6 @@ static int mcfqspi_remove(struct platform_device *pdev) mcfqspi_cs_teardown(mcfqspi); clk_disable(mcfqspi->clk); - clk_put(mcfqspi->clk); - free_irq(mcfqspi->irq, mcfqspi); - iounmap(mcfqspi->iobase); - release_mem_region(res->start, resource_size(res)); - spi_unregister_master(master); return 0; } diff --git a/drivers/spi/spi-davinci.c b/drivers/spi/spi-davinci.c index 50b2d88c8190..5e7389faa2a0 100644 --- a/drivers/spi/spi-davinci.c +++ b/drivers/spi/spi-davinci.c @@ -396,10 +396,6 @@ static int davinci_spi_setup(struct spi_device *spi) dspi = spi_master_get_devdata(spi->master); pdata = &dspi->pdata; - /* if bits per word length is zero then set it default 8 */ - if (!spi->bits_per_word) - spi->bits_per_word = 8; - if (!(spi->mode & SPI_NO_CS)) { if ((pdata->chip_sel == NULL) || (pdata->chip_sel[spi->chip_select] == SPI_INTERN_CS)) @@ -853,7 +849,7 @@ static int davinci_spi_probe(struct platform_device *pdev) struct spi_master *master; struct davinci_spi *dspi; struct davinci_spi_platform_data *pdata; - struct resource *r, *mem; + struct resource *r; resource_size_t dma_rx_chan = SPI_NO_RESOURCE; resource_size_t dma_tx_chan = SPI_NO_RESOURCE; int i = 0, ret = 0; @@ -894,39 +890,33 @@ static int davinci_spi_probe(struct platform_device *pdev) dspi->pbase = r->start; - mem = request_mem_region(r->start, resource_size(r), pdev->name); - if (mem == NULL) { - ret = -EBUSY; + dspi->base = devm_ioremap_resource(&pdev->dev, r); + if (IS_ERR(dspi->base)) { + ret = PTR_ERR(dspi->base); goto free_master; } - dspi->base = ioremap(r->start, resource_size(r)); - if (dspi->base == NULL) { - ret = -ENOMEM; - goto release_region; - } - dspi->irq = platform_get_irq(pdev, 0); if (dspi->irq <= 0) { ret = -EINVAL; - goto unmap_io; + goto free_master; } - ret = request_threaded_irq(dspi->irq, davinci_spi_irq, dummy_thread_fn, - 0, dev_name(&pdev->dev), dspi); + ret = devm_request_threaded_irq(&pdev->dev, dspi->irq, davinci_spi_irq, + dummy_thread_fn, 0, dev_name(&pdev->dev), dspi); if (ret) - goto unmap_io; + goto free_master; dspi->bitbang.master = master; if (dspi->bitbang.master == NULL) { ret = -ENODEV; - goto irq_free; + goto free_master; } - dspi->clk = clk_get(&pdev->dev, NULL); + dspi->clk = devm_clk_get(&pdev->dev, NULL); if (IS_ERR(dspi->clk)) { ret = -ENODEV; - goto irq_free; + goto free_master; } clk_prepare_enable(dspi->clk); @@ -963,8 +953,8 @@ static int davinci_spi_probe(struct platform_device *pdev) goto free_clk; dev_info(&pdev->dev, "DMA: supported\n"); - dev_info(&pdev->dev, "DMA: RX channel: %d, TX channel: %d, " - "event queue: %d\n", dma_rx_chan, dma_tx_chan, + dev_info(&pdev->dev, "DMA: RX channel: %pa, TX channel: %pa, " + "event queue: %d\n", &dma_rx_chan, &dma_tx_chan, pdata->dma_event_q); } @@ -1015,13 +1005,6 @@ free_dma: dma_release_channel(dspi->dma_tx); free_clk: clk_disable_unprepare(dspi->clk); - clk_put(dspi->clk); -irq_free: - free_irq(dspi->irq, dspi); -unmap_io: - iounmap(dspi->base); -release_region: - release_mem_region(dspi->pbase, resource_size(r)); free_master: spi_master_put(master); err: @@ -1041,7 +1024,6 @@ static int davinci_spi_remove(struct platform_device *pdev) { struct davinci_spi *dspi; struct spi_master *master; - struct resource *r; master = platform_get_drvdata(pdev); dspi = spi_master_get_devdata(master); @@ -1049,11 +1031,6 @@ static int davinci_spi_remove(struct platform_device *pdev) spi_bitbang_stop(&dspi->bitbang); clk_disable_unprepare(dspi->clk); - clk_put(dspi->clk); - free_irq(dspi->irq, dspi); - iounmap(dspi->base); - r = platform_get_resource(pdev, IORESOURCE_MEM, 0); - release_mem_region(dspi->pbase, resource_size(r)); spi_master_put(master); return 0; diff --git a/drivers/spi/spi-falcon.c b/drivers/spi/spi-falcon.c index c7a74f0ef892..dd5bd468e962 100644 --- a/drivers/spi/spi-falcon.c +++ b/drivers/spi/spi-falcon.c @@ -433,21 +433,12 @@ static int falcon_sflash_probe(struct platform_device *pdev) platform_set_drvdata(pdev, priv); - ret = spi_register_master(master); + ret = devm_spi_register_master(&pdev->dev, master); if (ret) spi_master_put(master); return ret; } -static int falcon_sflash_remove(struct platform_device *pdev) -{ - struct falcon_sflash *priv = platform_get_drvdata(pdev); - - spi_unregister_master(priv->master); - - return 0; -} - static const struct of_device_id falcon_sflash_match[] = { { .compatible = "lantiq,sflash-falcon" }, {}, @@ -456,7 +447,6 @@ MODULE_DEVICE_TABLE(of, falcon_sflash_match); static struct platform_driver falcon_sflash_driver = { .probe = falcon_sflash_probe, - .remove = falcon_sflash_remove, .driver = { .name = DRV_NAME, .owner = THIS_MODULE, diff --git a/drivers/spi/spi-fsl-dspi.c b/drivers/spi/spi-fsl-dspi.c index 8641b03bdd7a..ec79f726672a 100644 --- a/drivers/spi/spi-fsl-dspi.c +++ b/drivers/spi/spi-fsl-dspi.c @@ -320,8 +320,10 @@ static void dspi_chipselect(struct spi_device *spi, int value) switch (value) { case BITBANG_CS_ACTIVE: pushr |= SPI_PUSHR_CONT; + break; case BITBANG_CS_INACTIVE: pushr &= ~SPI_PUSHR_CONT; + break; } writel(pushr, dspi->base + SPI_PUSHR); @@ -373,9 +375,6 @@ static int dspi_setup(struct spi_device *spi) if (!spi->max_speed_hz) return -EINVAL; - if (!spi->bits_per_word) - spi->bits_per_word = 8; - return dspi_setup_transfer(spi, NULL); } diff --git a/drivers/spi/spi-imx.c b/drivers/spi/spi-imx.c index b80f2f70fef7..a5474ef9d2a0 100644 --- a/drivers/spi/spi-imx.c +++ b/drivers/spi/spi-imx.c @@ -206,7 +206,8 @@ static unsigned int spi_imx_clkdiv_2(unsigned int fin, #define MX51_ECSPI_STAT_RR (1 << 3) /* MX51 eCSPI */ -static unsigned int mx51_ecspi_clkdiv(unsigned int fin, unsigned int fspi) +static unsigned int mx51_ecspi_clkdiv(unsigned int fin, unsigned int fspi, + unsigned int *fres) { /* * there are two 4-bit dividers, the pre-divider divides by @@ -234,6 +235,10 @@ static unsigned int mx51_ecspi_clkdiv(unsigned int fin, unsigned int fspi) pr_debug("%s: fin: %u, fspi: %u, post: %u, pre: %u\n", __func__, fin, fspi, post, pre); + + /* Resulting frequency for the SCLK line. */ + *fres = (fin / (pre + 1)) >> post; + return (pre << MX51_ECSPI_CTRL_PREDIV_OFFSET) | (post << MX51_ECSPI_CTRL_POSTDIV_OFFSET); } @@ -264,6 +269,7 @@ static int __maybe_unused mx51_ecspi_config(struct spi_imx_data *spi_imx, struct spi_imx_config *config) { u32 ctrl = MX51_ECSPI_CTRL_ENABLE, cfg = 0; + u32 clk = config->speed_hz, delay; /* * The hardware seems to have a race condition when changing modes. The @@ -275,7 +281,7 @@ static int __maybe_unused mx51_ecspi_config(struct spi_imx_data *spi_imx, ctrl |= MX51_ECSPI_CTRL_MODE_MASK; /* set clock speed */ - ctrl |= mx51_ecspi_clkdiv(spi_imx->spi_clk, config->speed_hz); + ctrl |= mx51_ecspi_clkdiv(spi_imx->spi_clk, config->speed_hz, &clk); /* set chip select to use */ ctrl |= MX51_ECSPI_CTRL_CS(config->cs); @@ -297,6 +303,23 @@ static int __maybe_unused mx51_ecspi_config(struct spi_imx_data *spi_imx, writel(ctrl, spi_imx->base + MX51_ECSPI_CTRL); writel(cfg, spi_imx->base + MX51_ECSPI_CONFIG); + /* + * Wait until the changes in the configuration register CONFIGREG + * propagate into the hardware. It takes exactly one tick of the + * SCLK clock, but we will wait two SCLK clock just to be sure. The + * effect of the delay it takes for the hardware to apply changes + * is noticable if the SCLK clock run very slow. In such a case, if + * the polarity of SCLK should be inverted, the GPIO ChipSelect might + * be asserted before the SCLK polarity changes, which would disrupt + * the SPI communication as the device on the other end would consider + * the change of SCLK polarity as a clock tick already. + */ + delay = (2 * 1000000) / clk; + if (likely(delay < 10)) /* SCLK is faster than 100 kHz */ + udelay(delay); + else /* SCLK is _very_ slow */ + usleep_range(delay, delay + 10); + return 0; } diff --git a/drivers/spi/spi-mxs.c b/drivers/spi/spi-mxs.c index 3adebfa22e3d..79e5aa2250c8 100644 --- a/drivers/spi/spi-mxs.c +++ b/drivers/spi/spi-mxs.c @@ -111,14 +111,6 @@ static int mxs_spi_setup_transfer(struct spi_device *dev, return 0; } -static int mxs_spi_setup(struct spi_device *dev) -{ - if (!dev->bits_per_word) - dev->bits_per_word = 8; - - return 0; -} - static u32 mxs_spi_cs_to_reg(unsigned cs) { u32 select = 0; @@ -502,7 +494,6 @@ static int mxs_spi_probe(struct platform_device *pdev) return -ENOMEM; master->transfer_one_message = mxs_spi_transfer_one; - master->setup = mxs_spi_setup; master->bits_per_word_mask = SPI_BPW_MASK(8); master->mode_bits = SPI_CPOL | SPI_CPHA; master->num_chipselect = 3; diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c index 7765b1999537..cbc68848789d 100644 --- a/drivers/spi/spi-pxa2xx.c +++ b/drivers/spi/spi-pxa2xx.c @@ -1066,6 +1066,8 @@ pxa2xx_spi_acpi_get_pdata(struct platform_device *pdev) pdata->num_chipselect = 1; pdata->enable_dma = true; + pdata->tx_chan_id = -1; + pdata->rx_chan_id = -1; return pdata; } diff --git a/drivers/spi/spi-rspi.c b/drivers/spi/spi-rspi.c index 9e829cee7357..d1e89bb352d8 100644 --- a/drivers/spi/spi-rspi.c +++ b/drivers/spi/spi-rspi.c @@ -37,117 +37,145 @@ #include <linux/spi/spi.h> #include <linux/spi/rspi.h> -#define RSPI_SPCR 0x00 -#define RSPI_SSLP 0x01 -#define RSPI_SPPCR 0x02 -#define RSPI_SPSR 0x03 -#define RSPI_SPDR 0x04 -#define RSPI_SPSCR 0x08 -#define RSPI_SPSSR 0x09 -#define RSPI_SPBR 0x0a -#define RSPI_SPDCR 0x0b -#define RSPI_SPCKD 0x0c -#define RSPI_SSLND 0x0d -#define RSPI_SPND 0x0e -#define RSPI_SPCR2 0x0f -#define RSPI_SPCMD0 0x10 -#define RSPI_SPCMD1 0x12 -#define RSPI_SPCMD2 0x14 -#define RSPI_SPCMD3 0x16 -#define RSPI_SPCMD4 0x18 -#define RSPI_SPCMD5 0x1a -#define RSPI_SPCMD6 0x1c -#define RSPI_SPCMD7 0x1e +#define RSPI_SPCR 0x00 /* Control Register */ +#define RSPI_SSLP 0x01 /* Slave Select Polarity Register */ +#define RSPI_SPPCR 0x02 /* Pin Control Register */ +#define RSPI_SPSR 0x03 /* Status Register */ +#define RSPI_SPDR 0x04 /* Data Register */ +#define RSPI_SPSCR 0x08 /* Sequence Control Register */ +#define RSPI_SPSSR 0x09 /* Sequence Status Register */ +#define RSPI_SPBR 0x0a /* Bit Rate Register */ +#define RSPI_SPDCR 0x0b /* Data Control Register */ +#define RSPI_SPCKD 0x0c /* Clock Delay Register */ +#define RSPI_SSLND 0x0d /* Slave Select Negation Delay Register */ +#define RSPI_SPND 0x0e /* Next-Access Delay Register */ +#define RSPI_SPCR2 0x0f /* Control Register 2 */ +#define RSPI_SPCMD0 0x10 /* Command Register 0 */ +#define RSPI_SPCMD1 0x12 /* Command Register 1 */ +#define RSPI_SPCMD2 0x14 /* Command Register 2 */ +#define RSPI_SPCMD3 0x16 /* Command Register 3 */ +#define RSPI_SPCMD4 0x18 /* Command Register 4 */ +#define RSPI_SPCMD5 0x1a /* Command Register 5 */ +#define RSPI_SPCMD6 0x1c /* Command Register 6 */ +#define RSPI_SPCMD7 0x1e /* Command Register 7 */ +#define RSPI_SPBFCR 0x20 /* Buffer Control Register */ +#define RSPI_SPBFDR 0x22 /* Buffer Data Count Setting Register */ /*qspi only */ -#define QSPI_SPBFCR 0x18 -#define QSPI_SPBDCR 0x1a -#define QSPI_SPBMUL0 0x1c -#define QSPI_SPBMUL1 0x20 -#define QSPI_SPBMUL2 0x24 -#define QSPI_SPBMUL3 0x28 - -/* SPCR */ -#define SPCR_SPRIE 0x80 -#define SPCR_SPE 0x40 -#define SPCR_SPTIE 0x20 -#define SPCR_SPEIE 0x10 -#define SPCR_MSTR 0x08 -#define SPCR_MODFEN 0x04 -#define SPCR_TXMD 0x02 -#define SPCR_SPMS 0x01 - -/* SSLP */ -#define SSLP_SSL1P 0x02 -#define SSLP_SSL0P 0x01 - -/* SPPCR */ -#define SPPCR_MOIFE 0x20 -#define SPPCR_MOIFV 0x10 +#define QSPI_SPBFCR 0x18 /* Buffer Control Register */ +#define QSPI_SPBDCR 0x1a /* Buffer Data Count Register */ +#define QSPI_SPBMUL0 0x1c /* Transfer Data Length Multiplier Setting Register 0 */ +#define QSPI_SPBMUL1 0x20 /* Transfer Data Length Multiplier Setting Register 1 */ +#define QSPI_SPBMUL2 0x24 /* Transfer Data Length Multiplier Setting Register 2 */ +#define QSPI_SPBMUL3 0x28 /* Transfer Data Length Multiplier Setting Register 3 */ + +/* SPCR - Control Register */ +#define SPCR_SPRIE 0x80 /* Receive Interrupt Enable */ +#define SPCR_SPE 0x40 /* Function Enable */ +#define SPCR_SPTIE 0x20 /* Transmit Interrupt Enable */ +#define SPCR_SPEIE 0x10 /* Error Interrupt Enable */ +#define SPCR_MSTR 0x08 /* Master/Slave Mode Select */ +#define SPCR_MODFEN 0x04 /* Mode Fault Error Detection Enable */ +/* RSPI on SH only */ +#define SPCR_TXMD 0x02 /* TX Only Mode (vs. Full Duplex) */ +#define SPCR_SPMS 0x01 /* 3-wire Mode (vs. 4-wire) */ +/* QSPI on R-Car M2 only */ +#define SPCR_WSWAP 0x02 /* Word Swap of read-data for DMAC */ +#define SPCR_BSWAP 0x01 /* Byte Swap of read-data for DMAC */ + +/* SSLP - Slave Select Polarity Register */ +#define SSLP_SSL1P 0x02 /* SSL1 Signal Polarity Setting */ +#define SSLP_SSL0P 0x01 /* SSL0 Signal Polarity Setting */ + +/* SPPCR - Pin Control Register */ +#define SPPCR_MOIFE 0x20 /* MOSI Idle Value Fixing Enable */ +#define SPPCR_MOIFV 0x10 /* MOSI Idle Fixed Value */ #define SPPCR_SPOM 0x04 -#define SPPCR_SPLP2 0x02 -#define SPPCR_SPLP 0x01 - -/* SPSR */ -#define SPSR_SPRF 0x80 -#define SPSR_SPTEF 0x20 -#define SPSR_PERF 0x08 -#define SPSR_MODF 0x04 -#define SPSR_IDLNF 0x02 -#define SPSR_OVRF 0x01 - -/* SPSCR */ -#define SPSCR_SPSLN_MASK 0x07 - -/* SPSSR */ -#define SPSSR_SPECM_MASK 0x70 -#define SPSSR_SPCP_MASK 0x07 - -/* SPDCR */ -#define SPDCR_SPLW 0x20 -#define SPDCR_SPRDTD 0x10 +#define SPPCR_SPLP2 0x02 /* Loopback Mode 2 (non-inverting) */ +#define SPPCR_SPLP 0x01 /* Loopback Mode (inverting) */ + +#define SPPCR_IO3FV 0x04 /* Single-/Dual-SPI Mode IO3 Output Fixed Value */ +#define SPPCR_IO2FV 0x04 /* Single-/Dual-SPI Mode IO2 Output Fixed Value */ + +/* SPSR - Status Register */ +#define SPSR_SPRF 0x80 /* Receive Buffer Full Flag */ +#define SPSR_TEND 0x40 /* Transmit End */ +#define SPSR_SPTEF 0x20 /* Transmit Buffer Empty Flag */ +#define SPSR_PERF 0x08 /* Parity Error Flag */ +#define SPSR_MODF 0x04 /* Mode Fault Error Flag */ +#define SPSR_IDLNF 0x02 /* RSPI Idle Flag */ +#define SPSR_OVRF 0x01 /* Overrun Error Flag */ + +/* SPSCR - Sequence Control Register */ +#define SPSCR_SPSLN_MASK 0x07 /* Sequence Length Specification */ + +/* SPSSR - Sequence Status Register */ +#define SPSSR_SPECM_MASK 0x70 /* Command Error Mask */ +#define SPSSR_SPCP_MASK 0x07 /* Command Pointer Mask */ + +/* SPDCR - Data Control Register */ +#define SPDCR_TXDMY 0x80 /* Dummy Data Transmission Enable */ +#define SPDCR_SPLW1 0x40 /* Access Width Specification (RZ) */ +#define SPDCR_SPLW0 0x20 /* Access Width Specification (RZ) */ +#define SPDCR_SPLLWORD (SPDCR_SPLW1 | SPDCR_SPLW0) +#define SPDCR_SPLWORD SPDCR_SPLW1 +#define SPDCR_SPLBYTE SPDCR_SPLW0 +#define SPDCR_SPLW 0x20 /* Access Width Specification (SH) */ +#define SPDCR_SPRDTD 0x10 /* Receive Transmit Data Select */ #define SPDCR_SLSEL1 0x08 #define SPDCR_SLSEL0 0x04 -#define SPDCR_SLSEL_MASK 0x0c +#define SPDCR_SLSEL_MASK 0x0c /* SSL1 Output Select */ #define SPDCR_SPFC1 0x02 #define SPDCR_SPFC0 0x01 +#define SPDCR_SPFC_MASK 0x03 /* Frame Count Setting (1-4) */ -/* SPCKD */ -#define SPCKD_SCKDL_MASK 0x07 +/* SPCKD - Clock Delay Register */ +#define SPCKD_SCKDL_MASK 0x07 /* Clock Delay Setting (1-8) */ -/* SSLND */ -#define SSLND_SLNDL_MASK 0x07 +/* SSLND - Slave Select Negation Delay Register */ +#define SSLND_SLNDL_MASK 0x07 /* SSL Negation Delay Setting (1-8) */ -/* SPND */ -#define SPND_SPNDL_MASK 0x07 +/* SPND - Next-Access Delay Register */ +#define SPND_SPNDL_MASK 0x07 /* Next-Access Delay Setting (1-8) */ -/* SPCR2 */ -#define SPCR2_PTE 0x08 -#define SPCR2_SPIE 0x04 -#define SPCR2_SPOE 0x02 -#define SPCR2_SPPE 0x01 +/* SPCR2 - Control Register 2 */ +#define SPCR2_PTE 0x08 /* Parity Self-Test Enable */ +#define SPCR2_SPIE 0x04 /* Idle Interrupt Enable */ +#define SPCR2_SPOE 0x02 /* Odd Parity Enable (vs. Even) */ +#define SPCR2_SPPE 0x01 /* Parity Enable */ -/* SPCMDn */ -#define SPCMD_SCKDEN 0x8000 -#define SPCMD_SLNDEN 0x4000 -#define SPCMD_SPNDEN 0x2000 -#define SPCMD_LSBF 0x1000 -#define SPCMD_SPB_MASK 0x0f00 +/* SPCMDn - Command Registers */ +#define SPCMD_SCKDEN 0x8000 /* Clock Delay Setting Enable */ +#define SPCMD_SLNDEN 0x4000 /* SSL Negation Delay Setting Enable */ +#define SPCMD_SPNDEN 0x2000 /* Next-Access Delay Enable */ +#define SPCMD_LSBF 0x1000 /* LSB First */ +#define SPCMD_SPB_MASK 0x0f00 /* Data Length Setting */ #define SPCMD_SPB_8_TO_16(bit) (((bit - 1) << 8) & SPCMD_SPB_MASK) #define SPCMD_SPB_8BIT 0x0000 /* qspi only */ #define SPCMD_SPB_16BIT 0x0100 #define SPCMD_SPB_20BIT 0x0000 #define SPCMD_SPB_24BIT 0x0100 #define SPCMD_SPB_32BIT 0x0200 -#define SPCMD_SSLKP 0x0080 -#define SPCMD_SSLA_MASK 0x0030 -#define SPCMD_BRDV_MASK 0x000c -#define SPCMD_CPOL 0x0002 -#define SPCMD_CPHA 0x0001 - -/* SPBFCR */ -#define SPBFCR_TXRST 0x80 /* qspi only */ -#define SPBFCR_RXRST 0x40 /* qspi only */ +#define SPCMD_SSLKP 0x0080 /* SSL Signal Level Keeping */ +#define SPCMD_SPIMOD_MASK 0x0060 /* SPI Operating Mode (QSPI only) */ +#define SPCMD_SPIMOD1 0x0040 +#define SPCMD_SPIMOD0 0x0020 +#define SPCMD_SPIMOD_SINGLE 0 +#define SPCMD_SPIMOD_DUAL SPCMD_SPIMOD0 +#define SPCMD_SPIMOD_QUAD SPCMD_SPIMOD1 +#define SPCMD_SPRW 0x0010 /* SPI Read/Write Access (Dual/Quad) */ +#define SPCMD_SSLA_MASK 0x0030 /* SSL Assert Signal Setting (RSPI) */ +#define SPCMD_BRDV_MASK 0x000c /* Bit Rate Division Setting */ +#define SPCMD_CPOL 0x0002 /* Clock Polarity Setting */ +#define SPCMD_CPHA 0x0001 /* Clock Phase Setting */ + +/* SPBFCR - Buffer Control Register */ +#define SPBFCR_TXRST 0x80 /* Transmit Buffer Data Reset (qspi only) */ +#define SPBFCR_RXRST 0x40 /* Receive Buffer Data Reset (qspi only) */ +#define SPBFCR_TXTRG_MASK 0x30 /* Transmit Buffer Data Triggering Number */ +#define SPBFCR_RXTRG_MASK 0x07 /* Receive Buffer Data Triggering Number */ + +#define DUMMY_DATA 0x00 struct rspi_data { void __iomem *addr; @@ -158,7 +186,8 @@ struct rspi_data { wait_queue_head_t wait; spinlock_t lock; struct clk *clk; - unsigned char spsr; + u8 spsr; + u16 spcmd; const struct spi_ops *ops; /* for dmaengine */ @@ -170,34 +199,35 @@ struct rspi_data { unsigned dma_callbacked:1; }; -static void rspi_write8(struct rspi_data *rspi, u8 data, u16 offset) +static void rspi_write8(const struct rspi_data *rspi, u8 data, u16 offset) { iowrite8(data, rspi->addr + offset); } -static void rspi_write16(struct rspi_data *rspi, u16 data, u16 offset) +static void rspi_write16(const struct rspi_data *rspi, u16 data, u16 offset) { iowrite16(data, rspi->addr + offset); } -static void rspi_write32(struct rspi_data *rspi, u32 data, u16 offset) +static void rspi_write32(const struct rspi_data *rspi, u32 data, u16 offset) { iowrite32(data, rspi->addr + offset); } -static u8 rspi_read8(struct rspi_data *rspi, u16 offset) +static u8 rspi_read8(const struct rspi_data *rspi, u16 offset) { return ioread8(rspi->addr + offset); } -static u16 rspi_read16(struct rspi_data *rspi, u16 offset) +static u16 rspi_read16(const struct rspi_data *rspi, u16 offset) { return ioread16(rspi->addr + offset); } /* optional functions */ struct spi_ops { - int (*set_config_register)(struct rspi_data *rspi, int access_size); + int (*set_config_register)(const struct rspi_data *rspi, + int access_size); int (*send_pio)(struct rspi_data *rspi, struct spi_message *mesg, struct spi_transfer *t); int (*receive_pio)(struct rspi_data *rspi, struct spi_message *mesg, @@ -208,7 +238,8 @@ struct spi_ops { /* * functions for RSPI */ -static int rspi_set_config_register(struct rspi_data *rspi, int access_size) +static int rspi_set_config_register(const struct rspi_data *rspi, + int access_size) { int spbr; @@ -231,7 +262,7 @@ static int rspi_set_config_register(struct rspi_data *rspi, int access_size) rspi_write8(rspi, 0x00, RSPI_SPCR2); /* Sets SPCMD */ - rspi_write16(rspi, SPCMD_SPB_8_TO_16(access_size) | SPCMD_SSLKP, + rspi_write16(rspi, SPCMD_SPB_8_TO_16(access_size) | rspi->spcmd, RSPI_SPCMD0); /* Sets RSPI mode */ @@ -243,7 +274,8 @@ static int rspi_set_config_register(struct rspi_data *rspi, int access_size) /* * functions for QSPI */ -static int qspi_set_config_register(struct rspi_data *rspi, int access_size) +static int qspi_set_config_register(const struct rspi_data *rspi, + int access_size) { u16 spcmd; int spbr; @@ -268,10 +300,10 @@ static int qspi_set_config_register(struct rspi_data *rspi, int access_size) spcmd = SPCMD_SPB_8BIT; else if (access_size == 16) spcmd = SPCMD_SPB_16BIT; - else if (access_size == 32) + else spcmd = SPCMD_SPB_32BIT; - spcmd |= SPCMD_SCKDEN | SPCMD_SLNDEN | SPCMD_SSLKP | SPCMD_SPNDEN; + spcmd |= SPCMD_SCKDEN | SPCMD_SLNDEN | rspi->spcmd | SPCMD_SPNDEN; /* Resets transfer data length */ rspi_write32(rspi, 0, QSPI_SPBMUL0); @@ -292,12 +324,12 @@ static int qspi_set_config_register(struct rspi_data *rspi, int access_size) #define set_config_register(spi, n) spi->ops->set_config_register(spi, n) -static void rspi_enable_irq(struct rspi_data *rspi, u8 enable) +static void rspi_enable_irq(const struct rspi_data *rspi, u8 enable) { rspi_write8(rspi, rspi_read8(rspi, RSPI_SPCR) | enable, RSPI_SPCR); } -static void rspi_disable_irq(struct rspi_data *rspi, u8 disable) +static void rspi_disable_irq(const struct rspi_data *rspi, u8 disable) { rspi_write8(rspi, rspi_read8(rspi, RSPI_SPCR) & ~disable, RSPI_SPCR); } @@ -316,12 +348,12 @@ static int rspi_wait_for_interrupt(struct rspi_data *rspi, u8 wait_mask, return 0; } -static void rspi_assert_ssl(struct rspi_data *rspi) +static void rspi_assert_ssl(const struct rspi_data *rspi) { rspi_write8(rspi, rspi_read8(rspi, RSPI_SPCR) | SPCR_SPE, RSPI_SPCR); } -static void rspi_negate_ssl(struct rspi_data *rspi) +static void rspi_negate_ssl(const struct rspi_data *rspi) { rspi_write8(rspi, rspi_read8(rspi, RSPI_SPCR) & ~SPCR_SPE, RSPI_SPCR); } @@ -330,9 +362,7 @@ static int rspi_send_pio(struct rspi_data *rspi, struct spi_message *mesg, struct spi_transfer *t) { int remain = t->len; - u8 *data; - - data = (u8 *)t->tx_buf; + const u8 *data = t->tx_buf; while (remain > 0) { rspi_write8(rspi, rspi_read8(rspi, RSPI_SPCR) | SPCR_TXMD, RSPI_SPCR); @@ -348,7 +378,7 @@ static int rspi_send_pio(struct rspi_data *rspi, struct spi_message *mesg, remain--; } - /* Waiting for the last transmition */ + /* Waiting for the last transmission */ rspi_wait_for_interrupt(rspi, SPSR_SPTEF, SPCR_SPTIE); return 0; @@ -358,12 +388,11 @@ static int qspi_send_pio(struct rspi_data *rspi, struct spi_message *mesg, struct spi_transfer *t) { int remain = t->len; - u8 *data; + const u8 *data = t->tx_buf; rspi_write8(rspi, SPBFCR_TXRST, QSPI_SPBFCR); rspi_write8(rspi, 0x00, QSPI_SPBFCR); - data = (u8 *)t->tx_buf; while (remain > 0) { if (rspi_wait_for_interrupt(rspi, SPSR_SPTEF, SPCR_SPTIE) < 0) { @@ -383,7 +412,7 @@ static int qspi_send_pio(struct rspi_data *rspi, struct spi_message *mesg, remain--; } - /* Waiting for the last transmition */ + /* Waiting for the last transmission */ rspi_wait_for_interrupt(rspi, SPSR_SPTEF, SPCR_SPTIE); return 0; @@ -399,8 +428,8 @@ static void rspi_dma_complete(void *arg) wake_up_interruptible(&rspi->wait); } -static int rspi_dma_map_sg(struct scatterlist *sg, void *buf, unsigned len, - struct dma_chan *chan, +static int rspi_dma_map_sg(struct scatterlist *sg, const void *buf, + unsigned len, struct dma_chan *chan, enum dma_transfer_direction dir) { sg_init_table(sg, 1); @@ -440,12 +469,13 @@ static void rspi_memory_from_8bit(void *buf, const void *data, unsigned len) static int rspi_send_dma(struct rspi_data *rspi, struct spi_transfer *t) { struct scatterlist sg; - void *buf = NULL; + const void *buf = NULL; struct dma_async_tx_descriptor *desc; unsigned len; int ret = 0; if (rspi->dma_width_16bit) { + void *tmp; /* * If DMAC bus width is 16-bit, the driver allocates a dummy * buffer. And, the driver converts original data into the @@ -454,13 +484,14 @@ static int rspi_send_dma(struct rspi_data *rspi, struct spi_transfer *t) * DMAC data: 1st byte, dummy, 2nd byte, dummy ... */ len = t->len * 2; - buf = kmalloc(len, GFP_KERNEL); - if (!buf) + tmp = kmalloc(len, GFP_KERNEL); + if (!tmp) return -ENOMEM; - rspi_memory_to_8bit(buf, t->tx_buf, t->len); + rspi_memory_to_8bit(tmp, t->tx_buf, t->len); + buf = tmp; } else { len = t->len; - buf = (void *)t->tx_buf; + buf = t->tx_buf; } if (!rspi_dma_map_sg(&sg, buf, len, rspi->chan_tx, DMA_TO_DEVICE)) { @@ -508,9 +539,9 @@ end_nomap: return ret; } -static void rspi_receive_init(struct rspi_data *rspi) +static void rspi_receive_init(const struct rspi_data *rspi) { - unsigned char spsr; + u8 spsr; spsr = rspi_read8(rspi, RSPI_SPSR); if (spsr & SPSR_SPRF) @@ -528,7 +559,7 @@ static int rspi_receive_pio(struct rspi_data *rspi, struct spi_message *mesg, rspi_receive_init(rspi); - data = (u8 *)t->rx_buf; + data = t->rx_buf; while (remain > 0) { rspi_write8(rspi, rspi_read8(rspi, RSPI_SPCR) & ~SPCR_TXMD, RSPI_SPCR); @@ -539,7 +570,7 @@ static int rspi_receive_pio(struct rspi_data *rspi, struct spi_message *mesg, return -ETIMEDOUT; } /* dummy write for generate clock */ - rspi_write16(rspi, 0x00, RSPI_SPDR); + rspi_write16(rspi, DUMMY_DATA, RSPI_SPDR); if (rspi_wait_for_interrupt(rspi, SPSR_SPRF, SPCR_SPRIE) < 0) { dev_err(&rspi->master->dev, @@ -556,9 +587,9 @@ static int rspi_receive_pio(struct rspi_data *rspi, struct spi_message *mesg, return 0; } -static void qspi_receive_init(struct rspi_data *rspi) +static void qspi_receive_init(const struct rspi_data *rspi) { - unsigned char spsr; + u8 spsr; spsr = rspi_read8(rspi, RSPI_SPSR); if (spsr & SPSR_SPRF) @@ -575,7 +606,7 @@ static int qspi_receive_pio(struct rspi_data *rspi, struct spi_message *mesg, qspi_receive_init(rspi); - data = (u8 *)t->rx_buf; + data = t->rx_buf; while (remain > 0) { if (rspi_wait_for_interrupt(rspi, SPSR_SPTEF, SPCR_SPTIE) < 0) { @@ -584,7 +615,7 @@ static int qspi_receive_pio(struct rspi_data *rspi, struct spi_message *mesg, return -ETIMEDOUT; } /* dummy write for generate clock */ - rspi_write8(rspi, 0x00, RSPI_SPDR); + rspi_write8(rspi, DUMMY_DATA, RSPI_SPDR); if (rspi_wait_for_interrupt(rspi, SPSR_SPRF, SPCR_SPRIE) < 0) { dev_err(&rspi->master->dev, @@ -704,7 +735,7 @@ end_nomap: return ret; } -static int rspi_is_dma(struct rspi_data *rspi, struct spi_transfer *t) +static int rspi_is_dma(const struct rspi_data *rspi, struct spi_transfer *t) { if (t->tx_buf && rspi->chan_tx) return 1; @@ -771,10 +802,14 @@ static int rspi_setup(struct spi_device *spi) { struct rspi_data *rspi = spi_master_get_devdata(spi->master); - if (!spi->bits_per_word) - spi->bits_per_word = 8; rspi->max_speed_hz = spi->max_speed_hz; + rspi->spcmd = SPCMD_SSLKP; + if (spi->mode & SPI_CPOL) + rspi->spcmd |= SPCMD_CPOL; + if (spi->mode & SPI_CPHA) + rspi->spcmd |= SPCMD_CPHA; + set_config_register(rspi, 8); return 0; @@ -802,10 +837,10 @@ static void rspi_cleanup(struct spi_device *spi) static irqreturn_t rspi_irq(int irq, void *_sr) { - struct rspi_data *rspi = (struct rspi_data *)_sr; - unsigned long spsr; + struct rspi_data *rspi = _sr; + u8 spsr; irqreturn_t ret = IRQ_NONE; - unsigned char disable_irq = 0; + u8 disable_irq = 0; rspi->spsr = spsr = rspi_read8(rspi, RSPI_SPSR); if (spsr & SPSR_SPRF) @@ -825,7 +860,7 @@ static irqreturn_t rspi_irq(int irq, void *_sr) static int rspi_request_dma(struct rspi_data *rspi, struct platform_device *pdev) { - struct rspi_plat_data *rspi_pd = dev_get_platdata(&pdev->dev); + const struct rspi_plat_data *rspi_pd = dev_get_platdata(&pdev->dev); struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0); dma_cap_mask_t mask; struct dma_slave_config cfg; @@ -887,11 +922,8 @@ static int rspi_remove(struct platform_device *pdev) { struct rspi_data *rspi = platform_get_drvdata(pdev); - spi_unregister_master(rspi->master); rspi_release_dma(rspi); - free_irq(platform_get_irq(pdev, 0), rspi); - clk_put(rspi->clk); - iounmap(rspi->addr); + clk_disable(rspi->clk); return 0; } @@ -903,7 +935,7 @@ static int rspi_probe(struct platform_device *pdev) struct rspi_data *rspi; int ret, irq; char clk_name[16]; - struct rspi_plat_data *rspi_pd = pdev->dev.platform_data; + const struct rspi_plat_data *rspi_pd = dev_get_platdata(&pdev->dev); const struct spi_ops *ops; const struct platform_device_id *id_entry = pdev->id_entry; @@ -913,12 +945,6 @@ static int rspi_probe(struct platform_device *pdev) dev_err(&pdev->dev, "there is no set_config_register\n"); return -ENODEV; } - /* get base addr */ - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (unlikely(res == NULL)) { - dev_err(&pdev->dev, "invalid resource\n"); - return -EINVAL; - } irq = platform_get_irq(pdev, 0); if (irq < 0) { @@ -936,19 +962,20 @@ static int rspi_probe(struct platform_device *pdev) platform_set_drvdata(pdev, rspi); rspi->ops = ops; rspi->master = master; - rspi->addr = ioremap(res->start, resource_size(res)); - if (rspi->addr == NULL) { - dev_err(&pdev->dev, "ioremap error.\n"); - ret = -ENOMEM; + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + rspi->addr = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(rspi->addr)) { + ret = PTR_ERR(rspi->addr); goto error1; } snprintf(clk_name, sizeof(clk_name), "%s%d", id_entry->name, pdev->id); - rspi->clk = clk_get(&pdev->dev, clk_name); + rspi->clk = devm_clk_get(&pdev->dev, clk_name); if (IS_ERR(rspi->clk)) { dev_err(&pdev->dev, "cannot get clock\n"); ret = PTR_ERR(rspi->clk); - goto error2; + goto error1; } clk_enable(rspi->clk); @@ -965,37 +992,36 @@ static int rspi_probe(struct platform_device *pdev) master->setup = rspi_setup; master->transfer = rspi_transfer; master->cleanup = rspi_cleanup; + master->mode_bits = SPI_CPHA | SPI_CPOL; - ret = request_irq(irq, rspi_irq, 0, dev_name(&pdev->dev), rspi); + ret = devm_request_irq(&pdev->dev, irq, rspi_irq, 0, + dev_name(&pdev->dev), rspi); if (ret < 0) { dev_err(&pdev->dev, "request_irq error\n"); - goto error3; + goto error2; } rspi->irq = irq; ret = rspi_request_dma(rspi, pdev); if (ret < 0) { dev_err(&pdev->dev, "rspi_request_dma failed.\n"); - goto error4; + goto error3; } - ret = spi_register_master(master); + ret = devm_spi_register_master(&pdev->dev, master); if (ret < 0) { dev_err(&pdev->dev, "spi_register_master error.\n"); - goto error4; + goto error3; } dev_info(&pdev->dev, "probed\n"); return 0; -error4: - rspi_release_dma(rspi); - free_irq(irq, rspi); error3: - clk_put(rspi->clk); + rspi_release_dma(rspi); error2: - iounmap(rspi->addr); + clk_disable(rspi->clk); error1: spi_master_put(master); diff --git a/drivers/spi/spi-sc18is602.c b/drivers/spi/spi-sc18is602.c index 9eda21d739c6..1edffed9e098 100644 --- a/drivers/spi/spi-sc18is602.c +++ b/drivers/spi/spi-sc18is602.c @@ -254,9 +254,6 @@ error: static int sc18is602_setup(struct spi_device *spi) { - if (!spi->bits_per_word) - spi->bits_per_word = 8; - if (spi->mode & ~(SPI_CPHA | SPI_CPOL | SPI_LSB_FIRST)) return -EINVAL; @@ -319,7 +316,7 @@ static int sc18is602_probe(struct i2c_client *client, master->transfer_one_message = sc18is602_transfer_one; master->dev.of_node = np; - error = spi_register_master(master); + error = devm_spi_register_master(dev, master); if (error) goto error_reg; @@ -330,16 +327,6 @@ error_reg: return error; } -static int sc18is602_remove(struct i2c_client *client) -{ - struct sc18is602 *hw = i2c_get_clientdata(client); - struct spi_master *master = hw->master; - - spi_unregister_master(master); - - return 0; -} - static const struct i2c_device_id sc18is602_id[] = { { "sc18is602", sc18is602 }, { "sc18is602b", sc18is602b }, @@ -353,7 +340,6 @@ static struct i2c_driver sc18is602_driver = { .name = "sc18is602", }, .probe = sc18is602_probe, - .remove = sc18is602_remove, .id_table = sc18is602_id, }; diff --git a/drivers/spi/spi-sh-hspi.c b/drivers/spi/spi-sh-hspi.c index 292567ab4c6c..40179d201966 100644 --- a/drivers/spi/spi-sh-hspi.c +++ b/drivers/spi/spi-sh-hspi.c @@ -353,4 +353,4 @@ module_platform_driver(hspi_driver); MODULE_DESCRIPTION("SuperH HSPI bus driver"); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>"); -MODULE_ALIAS("platform:sh_spi"); +MODULE_ALIAS("platform:sh-hspi"); diff --git a/drivers/spi/spi-sh-msiof.c b/drivers/spi/spi-sh-msiof.c index c74298cf70e2..ac8795f2e700 100644 --- a/drivers/spi/spi-sh-msiof.c +++ b/drivers/spi/spi-sh-msiof.c @@ -152,7 +152,7 @@ static void sh_msiof_spi_set_clk_regs(struct sh_msiof_spi_priv *p, size_t k; if (!WARN_ON(!spi_hz || !parent_rate)) - div = parent_rate / spi_hz; + div = DIV_ROUND_UP(parent_rate, spi_hz); /* TODO: make more fine grained */ diff --git a/drivers/spi/spi-sh.c b/drivers/spi/spi-sh.c index c120a70094f2..86a17d60a68c 100644 --- a/drivers/spi/spi-sh.c +++ b/drivers/spi/spi-sh.c @@ -358,9 +358,6 @@ static int spi_sh_setup(struct spi_device *spi) { struct spi_sh_data *ss = spi_master_get_devdata(spi->master); - if (!spi->bits_per_word) - spi->bits_per_word = 8; - pr_debug("%s: enter\n", __func__); spi_sh_write(ss, 0xfe, SPI_SH_CR1); /* SPI sycle stop */ diff --git a/drivers/spi/spi-sirf.c b/drivers/spi/spi-sirf.c index ed5e501c4652..e430689c3837 100644 --- a/drivers/spi/spi-sirf.c +++ b/drivers/spi/spi-sirf.c @@ -536,16 +536,9 @@ spi_sirfsoc_setup_transfer(struct spi_device *spi, struct spi_transfer *t) static int spi_sirfsoc_setup(struct spi_device *spi) { - struct sirfsoc_spi *sspi; - if (!spi->max_speed_hz) return -EINVAL; - sspi = spi_master_get_devdata(spi->master); - - if (!spi->bits_per_word) - spi->bits_per_word = 8; - return spi_sirfsoc_setup_transfer(spi, NULL); } diff --git a/drivers/spi/spi-ti-qspi.c b/drivers/spi/spi-ti-qspi.c index 4396bd448540..286cf8d6764b 100644 --- a/drivers/spi/spi-ti-qspi.c +++ b/drivers/spi/spi-ti-qspi.c @@ -417,10 +417,8 @@ out: static int ti_qspi_runtime_resume(struct device *dev) { struct ti_qspi *qspi; - struct spi_master *master; - master = dev_get_drvdata(dev); - qspi = spi_master_get_devdata(master); + qspi = dev_get_drvdata(dev); ti_qspi_restore_ctx(qspi); return 0; @@ -516,13 +514,9 @@ free_master: static int ti_qspi_remove(struct platform_device *pdev) { - struct spi_master *master; - struct ti_qspi *qspi; + struct ti_qspi *qspi = platform_get_drvdata(pdev); int ret; - master = platform_get_drvdata(pdev); - qspi = spi_master_get_devdata(master); - ret = pm_runtime_get_sync(qspi->dev); if (ret < 0) { dev_err(qspi->dev, "pm_runtime_get_sync() failed\n"); @@ -534,8 +528,6 @@ static int ti_qspi_remove(struct platform_device *pdev) pm_runtime_put(qspi->dev); pm_runtime_disable(&pdev->dev); - spi_unregister_master(master); - return 0; } diff --git a/drivers/spi/spi-topcliff-pch.c b/drivers/spi/spi-topcliff-pch.c index 446131308acb..9322de9e13fb 100644 --- a/drivers/spi/spi-topcliff-pch.c +++ b/drivers/spi/spi-topcliff-pch.c @@ -466,12 +466,6 @@ static void pch_spi_reset(struct spi_master *master) static int pch_spi_setup(struct spi_device *pspi) { - /* check bits per word */ - if (pspi->bits_per_word == 0) { - pspi->bits_per_word = 8; - dev_dbg(&pspi->dev, "%s 8 bits per word\n", __func__); - } - /* Check baud rate setting */ /* if baud rate of chip is greater than max we can support,return error */ diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index 349ebba4b199..63613a96233c 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -370,6 +370,17 @@ static void spi_dev_set_name(struct spi_device *spi) spi->chip_select); } +static int spi_dev_check(struct device *dev, void *data) +{ + struct spi_device *spi = to_spi_device(dev); + struct spi_device *new_spi = data; + + if (spi->master == new_spi->master && + spi->chip_select == new_spi->chip_select) + return -EBUSY; + return 0; +} + /** * spi_add_device - Add spi_device allocated with spi_alloc_device * @spi: spi_device to register @@ -384,7 +395,6 @@ int spi_add_device(struct spi_device *spi) static DEFINE_MUTEX(spi_add_lock); struct spi_master *master = spi->master; struct device *dev = master->dev.parent; - struct device *d; int status; /* Chipselects are numbered 0..max; validate. */ @@ -404,12 +414,10 @@ int spi_add_device(struct spi_device *spi) */ mutex_lock(&spi_add_lock); - d = bus_find_device_by_name(&spi_bus_type, NULL, dev_name(&spi->dev)); - if (d != NULL) { + status = bus_for_each_dev(&spi_bus_type, NULL, spi, spi_dev_check); + if (status) { dev_err(dev, "chipselect %d already in use\n", spi->chip_select); - put_device(d); - status = -EBUSY; goto done; } @@ -591,8 +599,10 @@ static int spi_transfer_one_message(struct spi_master *master, goto out; } - if (ret > 0) + if (ret > 0) { + ret = 0; wait_for_completion(&master->xfer_completion); + } trace_spi_transfer_stop(msg, xfer); @@ -632,7 +642,7 @@ out: * * Called by SPI drivers using the core transfer_one_message() * implementation to notify it that the current interrupt driven - * transfer has finised and the next one may be scheduled. + * transfer has finished and the next one may be scheduled. */ void spi_finalize_current_transfer(struct spi_master *master) { @@ -685,7 +695,7 @@ static void spi_pump_messages(struct kthread_work *work) } /* Extract head of queue */ master->cur_msg = - list_entry(master->queue.next, struct spi_message, queue); + list_first_entry(&master->queue, struct spi_message, queue); list_del_init(&master->cur_msg->queue); if (master->busy) @@ -735,7 +745,9 @@ static void spi_pump_messages(struct kthread_work *work) ret = master->transfer_one_message(master, master->cur_msg); if (ret) { dev_err(&master->dev, - "failed to transfer one message from queue\n"); + "failed to transfer one message from queue: %d\n", ret); + master->cur_msg->status = ret; + spi_finalize_current_message(master); return; } } @@ -791,11 +803,8 @@ struct spi_message *spi_get_next_queued_message(struct spi_master *master) /* get a pointer to the next message, if any */ spin_lock_irqsave(&master->queue_lock, flags); - if (list_empty(&master->queue)) - next = NULL; - else - next = list_entry(master->queue.next, - struct spi_message, queue); + next = list_first_entry_or_null(&master->queue, struct spi_message, + queue); spin_unlock_irqrestore(&master->queue_lock, flags); return next; @@ -1596,15 +1605,11 @@ int spi_setup(struct spi_device *spi) } EXPORT_SYMBOL_GPL(spi_setup); -static int __spi_async(struct spi_device *spi, struct spi_message *message) +static int __spi_validate(struct spi_device *spi, struct spi_message *message) { struct spi_master *master = spi->master; struct spi_transfer *xfer; - message->spi = spi; - - trace_spi_message_submit(message); - if (list_empty(&message->transfers)) return -EINVAL; if (!message->complete) @@ -1667,9 +1672,8 @@ static int __spi_async(struct spi_device *spi, struct spi_message *message) if (xfer->rx_buf && !xfer->rx_nbits) xfer->rx_nbits = SPI_NBITS_SINGLE; /* check transfer tx/rx_nbits: - * 1. keep the value is not out of single, dual and quad - * 2. keep tx/rx_nbits is contained by mode in spi_device - * 3. if SPI_3WIRE, tx/rx_nbits should be in single + * 1. check the value matches one of single, dual and quad + * 2. check tx/rx_nbits match the mode in spi_device */ if (xfer->tx_buf) { if (xfer->tx_nbits != SPI_NBITS_SINGLE && @@ -1682,9 +1686,6 @@ static int __spi_async(struct spi_device *spi, struct spi_message *message) if ((xfer->tx_nbits == SPI_NBITS_QUAD) && !(spi->mode & SPI_TX_QUAD)) return -EINVAL; - if ((spi->mode & SPI_3WIRE) && - (xfer->tx_nbits != SPI_NBITS_SINGLE)) - return -EINVAL; } /* check transfer rx_nbits */ if (xfer->rx_buf) { @@ -1698,13 +1699,22 @@ static int __spi_async(struct spi_device *spi, struct spi_message *message) if ((xfer->rx_nbits == SPI_NBITS_QUAD) && !(spi->mode & SPI_RX_QUAD)) return -EINVAL; - if ((spi->mode & SPI_3WIRE) && - (xfer->rx_nbits != SPI_NBITS_SINGLE)) - return -EINVAL; } } message->status = -EINPROGRESS; + + return 0; +} + +static int __spi_async(struct spi_device *spi, struct spi_message *message) +{ + struct spi_master *master = spi->master; + + message->spi = spi; + + trace_spi_message_submit(message); + return master->transfer(spi, message); } @@ -1743,6 +1753,10 @@ int spi_async(struct spi_device *spi, struct spi_message *message) int ret; unsigned long flags; + ret = __spi_validate(spi, message); + if (ret != 0) + return ret; + spin_lock_irqsave(&master->bus_lock_spinlock, flags); if (master->bus_lock_flag) @@ -1791,6 +1805,10 @@ int spi_async_locked(struct spi_device *spi, struct spi_message *message) int ret; unsigned long flags; + ret = __spi_validate(spi, message); + if (ret != 0) + return ret; + spin_lock_irqsave(&master->bus_lock_spinlock, flags); ret = __spi_async(spi, message); diff --git a/drivers/staging/bcm/Bcmnet.c b/drivers/staging/bcm/Bcmnet.c index 53fee2f9a498..8dfdd2732bdc 100644 --- a/drivers/staging/bcm/Bcmnet.c +++ b/drivers/staging/bcm/Bcmnet.c @@ -39,7 +39,8 @@ static INT bcm_close(struct net_device *dev) return 0; } -static u16 bcm_select_queue(struct net_device *dev, struct sk_buff *skb) +static u16 bcm_select_queue(struct net_device *dev, struct sk_buff *skb, + void *accel_priv) { return ClassifyPacket(netdev_priv(dev), skb); } diff --git a/drivers/staging/netlogic/xlr_net.c b/drivers/staging/netlogic/xlr_net.c index 235d2b1ec593..eedffed17e39 100644 --- a/drivers/staging/netlogic/xlr_net.c +++ b/drivers/staging/netlogic/xlr_net.c @@ -306,7 +306,8 @@ static netdev_tx_t xlr_net_start_xmit(struct sk_buff *skb, return NETDEV_TX_OK; } -static u16 xlr_net_select_queue(struct net_device *ndev, struct sk_buff *skb) +static u16 xlr_net_select_queue(struct net_device *ndev, struct sk_buff *skb, + void *accel_priv) { return (u16)smp_processor_id(); } diff --git a/drivers/staging/rtl8188eu/os_dep/os_intfs.c b/drivers/staging/rtl8188eu/os_dep/os_intfs.c index 17659bb04bef..dd69e344e409 100644 --- a/drivers/staging/rtl8188eu/os_dep/os_intfs.c +++ b/drivers/staging/rtl8188eu/os_dep/os_intfs.c @@ -652,7 +652,8 @@ static unsigned int rtw_classify8021d(struct sk_buff *skb) return dscp >> 5; } -static u16 rtw_select_queue(struct net_device *dev, struct sk_buff *skb) +static u16 rtw_select_queue(struct net_device *dev, struct sk_buff *skb, + void *accel_priv) { struct adapter *padapter = rtw_netdev_priv(dev); struct mlme_priv *pmlmepriv = &padapter->mlmepriv; diff --git a/fs/cifs/cifsproto.h b/fs/cifs/cifsproto.h index aa3397620342..2c29db6a247e 100644 --- a/fs/cifs/cifsproto.h +++ b/fs/cifs/cifsproto.h @@ -477,9 +477,10 @@ extern int CIFSGetExtAttr(const unsigned int xid, struct cifs_tcon *tcon, const int netfid, __u64 *pExtAttrBits, __u64 *pMask); extern void cifs_autodisable_serverino(struct cifs_sb_info *cifs_sb); extern bool CIFSCouldBeMFSymlink(const struct cifs_fattr *fattr); -extern int CIFSCheckMFSymlink(struct cifs_fattr *fattr, - const unsigned char *path, - struct cifs_sb_info *cifs_sb, unsigned int xid); +extern int CIFSCheckMFSymlink(unsigned int xid, struct cifs_tcon *tcon, + struct cifs_sb_info *cifs_sb, + struct cifs_fattr *fattr, + const unsigned char *path); extern int mdfour(unsigned char *, unsigned char *, int); extern int E_md4hash(const unsigned char *passwd, unsigned char *p16, const struct nls_table *codepage); diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c index 124aa0230c1b..d707edb6b852 100644 --- a/fs/cifs/cifssmb.c +++ b/fs/cifs/cifssmb.c @@ -4010,7 +4010,7 @@ QFileInfoRetry: rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB, (struct smb_hdr *) pSMBr, &bytes_returned, 0); if (rc) { - cifs_dbg(FYI, "Send error in QPathInfo = %d\n", rc); + cifs_dbg(FYI, "Send error in QFileInfo = %d", rc); } else { /* decode response */ rc = validate_t2((struct smb_t2_rsp *)pSMBr); @@ -4179,7 +4179,7 @@ UnixQFileInfoRetry: rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB, (struct smb_hdr *) pSMBr, &bytes_returned, 0); if (rc) { - cifs_dbg(FYI, "Send error in QPathInfo = %d\n", rc); + cifs_dbg(FYI, "Send error in UnixQFileInfo = %d", rc); } else { /* decode response */ rc = validate_t2((struct smb_t2_rsp *)pSMBr); @@ -4263,7 +4263,7 @@ UnixQPathInfoRetry: rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB, (struct smb_hdr *) pSMBr, &bytes_returned, 0); if (rc) { - cifs_dbg(FYI, "Send error in QPathInfo = %d\n", rc); + cifs_dbg(FYI, "Send error in UnixQPathInfo = %d", rc); } else { /* decode response */ rc = validate_t2((struct smb_t2_rsp *)pSMBr); diff --git a/fs/cifs/dir.c b/fs/cifs/dir.c index 11ff5f116b20..a514e0a65f69 100644 --- a/fs/cifs/dir.c +++ b/fs/cifs/dir.c @@ -193,7 +193,7 @@ check_name(struct dentry *direntry) static int cifs_do_create(struct inode *inode, struct dentry *direntry, unsigned int xid, struct tcon_link *tlink, unsigned oflags, umode_t mode, - __u32 *oplock, struct cifs_fid *fid, int *created) + __u32 *oplock, struct cifs_fid *fid) { int rc = -ENOENT; int create_options = CREATE_NOT_DIR; @@ -349,7 +349,6 @@ cifs_do_create(struct inode *inode, struct dentry *direntry, unsigned int xid, .device = 0, }; - *created |= FILE_CREATED; if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SET_UID) { args.uid = current_fsuid(); if (inode->i_mode & S_ISGID) @@ -480,13 +479,16 @@ cifs_atomic_open(struct inode *inode, struct dentry *direntry, cifs_add_pending_open(&fid, tlink, &open); rc = cifs_do_create(inode, direntry, xid, tlink, oflags, mode, - &oplock, &fid, opened); + &oplock, &fid); if (rc) { cifs_del_pending_open(&open); goto out; } + if ((oflags & (O_CREAT | O_EXCL)) == (O_CREAT | O_EXCL)) + *opened |= FILE_CREATED; + rc = finish_open(file, direntry, generic_file_open, opened); if (rc) { if (server->ops->close) @@ -529,7 +531,6 @@ int cifs_create(struct inode *inode, struct dentry *direntry, umode_t mode, struct TCP_Server_Info *server; struct cifs_fid fid; __u32 oplock; - int created = FILE_CREATED; cifs_dbg(FYI, "cifs_create parent inode = 0x%p name is: %s and dentry = 0x%p\n", inode, direntry->d_name.name, direntry); @@ -546,7 +547,7 @@ int cifs_create(struct inode *inode, struct dentry *direntry, umode_t mode, server->ops->new_lease_key(&fid); rc = cifs_do_create(inode, direntry, xid, tlink, oflags, mode, - &oplock, &fid, &created); + &oplock, &fid); if (!rc && server->ops->close) server->ops->close(xid, tcon, &fid); diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c index 36f9ebb93ceb..49719b8228e5 100644 --- a/fs/cifs/inode.c +++ b/fs/cifs/inode.c @@ -383,7 +383,8 @@ int cifs_get_inode_info_unix(struct inode **pinode, /* check for Minshall+French symlinks */ if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MF_SYMLINKS) { - int tmprc = CIFSCheckMFSymlink(&fattr, full_path, cifs_sb, xid); + int tmprc = CIFSCheckMFSymlink(xid, tcon, cifs_sb, &fattr, + full_path); if (tmprc) cifs_dbg(FYI, "CIFSCheckMFSymlink: %d\n", tmprc); } @@ -799,7 +800,8 @@ cifs_get_inode_info(struct inode **inode, const char *full_path, /* check for Minshall+French symlinks */ if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MF_SYMLINKS) { - tmprc = CIFSCheckMFSymlink(&fattr, full_path, cifs_sb, xid); + tmprc = CIFSCheckMFSymlink(xid, tcon, cifs_sb, &fattr, + full_path); if (tmprc) cifs_dbg(FYI, "CIFSCheckMFSymlink: %d\n", tmprc); } diff --git a/fs/cifs/link.c b/fs/cifs/link.c index cc0234710ddb..92aee08483a5 100644 --- a/fs/cifs/link.c +++ b/fs/cifs/link.c @@ -354,34 +354,30 @@ open_query_close_cifs_symlink(const unsigned char *path, char *pbuf, int -CIFSCheckMFSymlink(struct cifs_fattr *fattr, - const unsigned char *path, - struct cifs_sb_info *cifs_sb, unsigned int xid) +CIFSCheckMFSymlink(unsigned int xid, struct cifs_tcon *tcon, + struct cifs_sb_info *cifs_sb, struct cifs_fattr *fattr, + const unsigned char *path) { - int rc = 0; + int rc; u8 *buf = NULL; unsigned int link_len = 0; unsigned int bytes_read = 0; - struct cifs_tcon *ptcon; if (!CIFSCouldBeMFSymlink(fattr)) /* it's not a symlink */ return 0; buf = kmalloc(CIFS_MF_SYMLINK_FILE_SIZE, GFP_KERNEL); - if (!buf) { - rc = -ENOMEM; - goto out; - } + if (!buf) + return -ENOMEM; - ptcon = tlink_tcon(cifs_sb_tlink(cifs_sb)); - if ((ptcon->ses) && (ptcon->ses->server->ops->query_mf_symlink)) - rc = ptcon->ses->server->ops->query_mf_symlink(path, buf, - &bytes_read, cifs_sb, xid); + if (tcon->ses->server->ops->query_mf_symlink) + rc = tcon->ses->server->ops->query_mf_symlink(path, buf, + &bytes_read, cifs_sb, xid); else - goto out; + rc = -ENOSYS; - if (rc != 0) + if (rc) goto out; if (bytes_read == 0) /* not a symlink */ diff --git a/fs/eventpoll.c b/fs/eventpoll.c index 8b5e2584c840..af903128891c 100644 --- a/fs/eventpoll.c +++ b/fs/eventpoll.c @@ -1907,10 +1907,6 @@ SYSCALL_DEFINE4(epoll_ctl, int, epfd, int, op, int, fd, } } } - if (op == EPOLL_CTL_DEL && is_file_epoll(tf.file)) { - tep = tf.file->private_data; - mutex_lock_nested(&tep->mtx, 1); - } /* * Try to lookup the file inside our RB tree, Since we grabbed "mtx" diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index 4410cc3d6ee2..3384dc4bed40 100644 --- a/fs/ext4/extents.c +++ b/fs/ext4/extents.c @@ -4218,7 +4218,7 @@ int ext4_ext_map_blocks(handle_t *handle, struct inode *inode, */ map->m_flags &= ~EXT4_MAP_FROM_CLUSTER; newex.ee_block = cpu_to_le32(map->m_lblk); - cluster_offset = EXT4_LBLK_CMASK(sbi, map->m_lblk); + cluster_offset = EXT4_LBLK_COFF(sbi, map->m_lblk); /* * If we are doing bigalloc, check to see if the extent returned diff --git a/fs/gfs2/aops.c b/fs/gfs2/aops.c index b7fc035a6943..73f3e4ee4037 100644 --- a/fs/gfs2/aops.c +++ b/fs/gfs2/aops.c @@ -986,6 +986,7 @@ static ssize_t gfs2_direct_IO(int rw, struct kiocb *iocb, { struct file *file = iocb->ki_filp; struct inode *inode = file->f_mapping->host; + struct address_space *mapping = inode->i_mapping; struct gfs2_inode *ip = GFS2_I(inode); struct gfs2_holder gh; int rv; @@ -1006,6 +1007,35 @@ static ssize_t gfs2_direct_IO(int rw, struct kiocb *iocb, if (rv != 1) goto out; /* dio not valid, fall back to buffered i/o */ + /* + * Now since we are holding a deferred (CW) lock at this point, you + * might be wondering why this is ever needed. There is a case however + * where we've granted a deferred local lock against a cached exclusive + * glock. That is ok provided all granted local locks are deferred, but + * it also means that it is possible to encounter pages which are + * cached and possibly also mapped. So here we check for that and sort + * them out ahead of the dio. The glock state machine will take care of + * everything else. + * + * If in fact the cached glock state (gl->gl_state) is deferred (CW) in + * the first place, mapping->nr_pages will always be zero. + */ + if (mapping->nrpages) { + loff_t lstart = offset & (PAGE_CACHE_SIZE - 1); + loff_t len = iov_length(iov, nr_segs); + loff_t end = PAGE_ALIGN(offset + len) - 1; + + rv = 0; + if (len == 0) + goto out; + if (test_and_clear_bit(GIF_SW_PAGED, &ip->i_flags)) + unmap_shared_mapping_range(ip->i_inode.i_mapping, offset, len); + rv = filemap_write_and_wait_range(mapping, lstart, end); + if (rv) + return rv; + truncate_inode_pages_range(mapping, lstart, end); + } + rv = __blockdev_direct_IO(rw, iocb, inode, inode->i_sb->s_bdev, iov, offset, nr_segs, gfs2_get_block_direct, NULL, NULL, 0); diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c index c8420f7e4db6..6f7a47c05259 100644 --- a/fs/gfs2/glock.c +++ b/fs/gfs2/glock.c @@ -1655,6 +1655,7 @@ static int dump_holder(struct seq_file *seq, const struct gfs2_holder *gh) struct task_struct *gh_owner = NULL; char flags_buf[32]; + rcu_read_lock(); if (gh->gh_owner_pid) gh_owner = pid_task(gh->gh_owner_pid, PIDTYPE_PID); gfs2_print_dbg(seq, " H: s:%s f:%s e:%d p:%ld [%s] %pS\n", @@ -1664,6 +1665,7 @@ static int dump_holder(struct seq_file *seq, const struct gfs2_holder *gh) gh->gh_owner_pid ? (long)pid_nr(gh->gh_owner_pid) : -1, gh_owner ? gh_owner->comm : "(ended)", (void *)gh->gh_ip); + rcu_read_unlock(); return 0; } diff --git a/fs/gfs2/glops.c b/fs/gfs2/glops.c index db908f697139..f88dcd925010 100644 --- a/fs/gfs2/glops.c +++ b/fs/gfs2/glops.c @@ -192,8 +192,11 @@ static void inode_go_sync(struct gfs2_glock *gl) if (ip && !S_ISREG(ip->i_inode.i_mode)) ip = NULL; - if (ip && test_and_clear_bit(GIF_SW_PAGED, &ip->i_flags)) - unmap_shared_mapping_range(ip->i_inode.i_mapping, 0, 0); + if (ip) { + if (test_and_clear_bit(GIF_SW_PAGED, &ip->i_flags)) + unmap_shared_mapping_range(ip->i_inode.i_mapping, 0, 0); + inode_dio_wait(&ip->i_inode); + } if (!test_and_clear_bit(GLF_DIRTY, &gl->gl_flags)) return; @@ -410,6 +413,9 @@ static int inode_go_lock(struct gfs2_holder *gh) return error; } + if (gh->gh_state != LM_ST_DEFERRED) + inode_dio_wait(&ip->i_inode); + if ((ip->i_diskflags & GFS2_DIF_TRUNC_IN_PROG) && (gl->gl_state == LM_ST_EXCLUSIVE) && (gh->gh_state == LM_ST_EXCLUSIVE)) { diff --git a/fs/gfs2/log.c b/fs/gfs2/log.c index 610613fb65b5..9dcb9777a5f8 100644 --- a/fs/gfs2/log.c +++ b/fs/gfs2/log.c @@ -551,10 +551,10 @@ void gfs2_add_revoke(struct gfs2_sbd *sdp, struct gfs2_bufdata *bd) struct buffer_head *bh = bd->bd_bh; struct gfs2_glock *gl = bd->bd_gl; - gfs2_remove_from_ail(bd); - bd->bd_bh = NULL; bh->b_private = NULL; bd->bd_blkno = bh->b_blocknr; + gfs2_remove_from_ail(bd); /* drops ref on bh */ + bd->bd_bh = NULL; bd->bd_ops = &gfs2_revoke_lops; sdp->sd_log_num_revoke++; atomic_inc(&gl->gl_revokes); diff --git a/fs/gfs2/meta_io.c b/fs/gfs2/meta_io.c index 932415050540..52f177be3bf8 100644 --- a/fs/gfs2/meta_io.c +++ b/fs/gfs2/meta_io.c @@ -258,6 +258,7 @@ void gfs2_remove_from_journal(struct buffer_head *bh, struct gfs2_trans *tr, int struct address_space *mapping = bh->b_page->mapping; struct gfs2_sbd *sdp = gfs2_mapping2sbd(mapping); struct gfs2_bufdata *bd = bh->b_private; + int was_pinned = 0; if (test_clear_buffer_pinned(bh)) { trace_gfs2_pin(bd, 0); @@ -273,12 +274,16 @@ void gfs2_remove_from_journal(struct buffer_head *bh, struct gfs2_trans *tr, int tr->tr_num_databuf_rm++; } tr->tr_touched = 1; + was_pinned = 1; brelse(bh); } if (bd) { spin_lock(&sdp->sd_ail_lock); if (bd->bd_tr) { gfs2_trans_add_revoke(sdp, bd); + } else if (was_pinned) { + bh->b_private = NULL; + kmem_cache_free(gfs2_bufdata_cachep, bd); } spin_unlock(&sdp->sd_ail_lock); } diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c index 82303b474958..52fa88314f5c 100644 --- a/fs/gfs2/ops_fstype.c +++ b/fs/gfs2/ops_fstype.c @@ -1366,8 +1366,18 @@ static struct dentry *gfs2_mount(struct file_system_type *fs_type, int flags, if (IS_ERR(s)) goto error_bdev; - if (s->s_root) + if (s->s_root) { + /* + * s_umount nests inside bd_mutex during + * __invalidate_device(). blkdev_put() acquires + * bd_mutex and can't be called under s_umount. Drop + * s_umount temporarily. This is safe as we're + * holding an active reference. + */ + up_write(&s->s_umount); blkdev_put(bdev, mode); + down_write(&s->s_umount); + } memset(&args, 0, sizeof(args)); args.ar_quota = GFS2_QUOTA_DEFAULT; diff --git a/fs/xfs/xfs_attr_remote.c b/fs/xfs/xfs_attr_remote.c index 739e0a52deda..5549d69ddb45 100644 --- a/fs/xfs/xfs_attr_remote.c +++ b/fs/xfs/xfs_attr_remote.c @@ -110,7 +110,7 @@ xfs_attr3_rmt_verify( if (be32_to_cpu(rmt->rm_bytes) > fsbsize - sizeof(*rmt)) return false; if (be32_to_cpu(rmt->rm_offset) + - be32_to_cpu(rmt->rm_bytes) >= XATTR_SIZE_MAX) + be32_to_cpu(rmt->rm_bytes) > XATTR_SIZE_MAX) return false; if (rmt->rm_owner == 0) return false; diff --git a/fs/xfs/xfs_bmap_util.c b/fs/xfs/xfs_bmap_util.c index 1394106ed22d..82e0dab46ee5 100644 --- a/fs/xfs/xfs_bmap_util.c +++ b/fs/xfs/xfs_bmap_util.c @@ -287,6 +287,7 @@ xfs_bmapi_allocate( INIT_WORK_ONSTACK(&args->work, xfs_bmapi_allocate_worker); queue_work(xfs_alloc_wq, &args->work); wait_for_completion(&done); + destroy_work_on_stack(&args->work); return args->result; } diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h index c602c7718421..ddabed1f51c2 100644 --- a/include/acpi/acpi_bus.h +++ b/include/acpi/acpi_bus.h @@ -169,7 +169,8 @@ struct acpi_device_flags { u32 ejectable:1; u32 power_manageable:1; u32 match_driver:1; - u32 reserved:27; + u32 no_hotplug:1; + u32 reserved:26; }; /* File System */ @@ -344,6 +345,7 @@ extern struct kobject *acpi_kobj; extern int acpi_bus_generate_netlink_event(const char*, const char*, u8, int); void acpi_bus_private_data_handler(acpi_handle, void *); int acpi_bus_get_private_data(acpi_handle, void **); +void acpi_bus_no_hotplug(acpi_handle handle); extern int acpi_notifier_call_chain(struct acpi_device *, u32, u32); extern int register_acpi_notifier(struct notifier_block *); extern int unregister_acpi_notifier(struct notifier_block *); diff --git a/include/drm/drm_pciids.h b/include/drm/drm_pciids.h index 87578c109e48..49376aec2fbb 100644 --- a/include/drm/drm_pciids.h +++ b/include/drm/drm_pciids.h @@ -600,7 +600,7 @@ {0x1002, 0x9645, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO2|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ {0x1002, 0x9647, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP},\ {0x1002, 0x9648, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP},\ - {0x1002, 0x9649, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP},\ + {0x1002, 0x9649, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO2|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP},\ {0x1002, 0x964a, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ {0x1002, 0x964b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ {0x1002, 0x964c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index d9a550bf3e8e..ce2a1f5f9a1e 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -769,7 +769,8 @@ struct netdev_phys_port_id { * (can also return NETDEV_TX_LOCKED iff NETIF_F_LLTX) * Required can not be NULL. * - * u16 (*ndo_select_queue)(struct net_device *dev, struct sk_buff *skb); + * u16 (*ndo_select_queue)(struct net_device *dev, struct sk_buff *skb, + * void *accel_priv); * Called to decide which queue to when device supports multiple * transmit queues. * @@ -990,7 +991,8 @@ struct net_device_ops { netdev_tx_t (*ndo_start_xmit) (struct sk_buff *skb, struct net_device *dev); u16 (*ndo_select_queue)(struct net_device *dev, - struct sk_buff *skb); + struct sk_buff *skb, + void *accel_priv); void (*ndo_change_rx_flags)(struct net_device *dev, int flags); void (*ndo_set_rx_mode)(struct net_device *dev); @@ -1529,7 +1531,8 @@ static inline void netdev_for_each_tx_queue(struct net_device *dev, } struct netdev_queue *netdev_pick_tx(struct net_device *dev, - struct sk_buff *skb); + struct sk_buff *skb, + void *accel_priv); u16 __netdev_pick_tx(struct net_device *dev, struct sk_buff *skb); /* @@ -1819,6 +1822,7 @@ int dev_close(struct net_device *dev); void dev_disable_lro(struct net_device *dev); int dev_loopback_xmit(struct sk_buff *newskb); int dev_queue_xmit(struct sk_buff *skb); +int dev_queue_xmit_accel(struct sk_buff *skb, void *accel_priv); int register_netdevice(struct net_device *dev); void unregister_netdevice_queue(struct net_device *dev, struct list_head *head); void unregister_netdevice_many(struct list_head *head); @@ -1912,6 +1916,15 @@ static inline int dev_parse_header(const struct sk_buff *skb, return dev->header_ops->parse(skb, haddr); } +static inline int dev_rebuild_header(struct sk_buff *skb) +{ + const struct net_device *dev = skb->dev; + + if (!dev->header_ops || !dev->header_ops->rebuild) + return 0; + return dev->header_ops->rebuild(skb); +} + typedef int gifconf_func_t(struct net_device * dev, char __user * bufptr, int len); int register_gifconf(unsigned int family, gifconf_func_t *gifconf); static inline int unregister_gifconf(unsigned int family) @@ -2417,7 +2430,7 @@ int dev_change_carrier(struct net_device *, bool new_carrier); int dev_get_phys_port_id(struct net_device *dev, struct netdev_phys_port_id *ppid); int dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev, - struct netdev_queue *txq, void *accel_priv); + struct netdev_queue *txq); int dev_forward_skb(struct net_device *dev, struct sk_buff *skb); extern int netdev_budget; @@ -3008,6 +3021,19 @@ static inline void netif_set_gso_max_size(struct net_device *dev, dev->gso_max_size = size; } +static inline void skb_gso_error_unwind(struct sk_buff *skb, __be16 protocol, + int pulled_hlen, u16 mac_offset, + int mac_len) +{ + skb->protocol = protocol; + skb->encapsulation = 1; + skb_push(skb, pulled_hlen); + skb_reset_transport_header(skb); + skb->mac_header = mac_offset; + skb->network_header = skb->mac_header + mac_len; + skb->mac_len = mac_len; +} + static inline bool netif_is_macvlan(struct net_device *dev) { return dev->priv_flags & IFF_MACVLAN; diff --git a/include/linux/rtnetlink.h b/include/linux/rtnetlink.h index 939428ad25ac..8e3e66ac0a52 100644 --- a/include/linux/rtnetlink.h +++ b/include/linux/rtnetlink.h @@ -24,6 +24,11 @@ extern int rtnl_trylock(void); extern int rtnl_is_locked(void); #ifdef CONFIG_PROVE_LOCKING extern int lockdep_rtnl_is_held(void); +#else +static inline int lockdep_rtnl_is_held(void) +{ + return 1; +} #endif /* #ifdef CONFIG_PROVE_LOCKING */ /** diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 215b5ea1cb30..6f69b3f914fb 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -1638,6 +1638,11 @@ static inline void skb_set_mac_header(struct sk_buff *skb, const int offset) skb->mac_header += offset; } +static inline void skb_pop_mac_header(struct sk_buff *skb) +{ + skb->mac_header = skb->network_header; +} + static inline void skb_probe_transport_header(struct sk_buff *skb, const int offset_hint) { @@ -2526,6 +2531,10 @@ static inline void sw_tx_timestamp(struct sk_buff *skb) * Ethernet MAC Drivers should call this function in their hard_xmit() * function immediately before giving the sk_buff to the MAC hardware. * + * Specifically, one should make absolutely sure that this function is + * called before TX completion of this packet can trigger. Otherwise + * the packet could potentially already be freed. + * * @skb: A socket buffer. */ static inline void skb_tx_timestamp(struct sk_buff *skb) diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h index 8c62ba74dd91..a1d4ca290862 100644 --- a/include/linux/spi/spi.h +++ b/include/linux/spi/spi.h @@ -75,6 +75,7 @@ struct spi_device { struct spi_master *master; u32 max_speed_hz; u8 chip_select; + u8 bits_per_word; u16 mode; #define SPI_CPHA 0x01 /* clock phase */ #define SPI_CPOL 0x02 /* clock polarity */ @@ -92,7 +93,6 @@ struct spi_device { #define SPI_TX_QUAD 0x200 /* transmit with 4 wires */ #define SPI_RX_DUAL 0x400 /* receive with 2 wires */ #define SPI_RX_QUAD 0x800 /* receive with 4 wires */ - u8 bits_per_word; int irq; void *controller_state; void *controller_data; @@ -277,15 +277,17 @@ static inline void spi_unregister_driver(struct spi_driver *sdrv) * @unprepare_transfer_hardware: there are currently no more messages on the * queue so the subsystem notifies the driver that it may relax the * hardware by issuing this call - * @set_cs: assert or deassert chip select, true to assert. May be called + * @set_cs: set the logic level of the chip select line. May be called * from interrupt context. * @prepare_message: set up the controller to transfer a single message, * for example doing DMA mapping. Called from threaded * context. - * @transfer_one: transfer a single spi_transfer. When the - * driver is finished with this transfer it must call - * spi_finalize_current_transfer() so the subsystem can issue - * the next transfer + * @transfer_one: transfer a single spi_transfer. + * - return 0 if the transfer is finished, + * - return 1 if the transfer is still in progress. When + * the driver is finished with this transfer it must + * call spi_finalize_current_transfer() so the subsystem + * can issue the next transfer * @unprepare_message: undo any work done by prepare_message(). * @cs_gpios: Array of GPIOs to use as chip select lines; one per CS * number. Any individual value may be -ENOENT for CS lines that @@ -576,8 +578,8 @@ struct spi_transfer { dma_addr_t rx_dma; unsigned cs_change:1; - u8 tx_nbits; - u8 rx_nbits; + unsigned tx_nbits:3; + unsigned rx_nbits:3; #define SPI_NBITS_SINGLE 0x01 /* 1bit transfer */ #define SPI_NBITS_DUAL 0x02 /* 2bits transfer */ #define SPI_NBITS_QUAD 0x04 /* 4bits transfer */ @@ -847,7 +849,7 @@ static inline ssize_t spi_w8r16(struct spi_device *spi, u8 cmd) ssize_t status; u16 result; - status = spi_write_then_read(spi, &cmd, 1, (u8 *) &result, 2); + status = spi_write_then_read(spi, &cmd, 1, &result, 2); /* return negative errno or unsigned value */ return (status < 0) ? status : result; diff --git a/include/net/llc_pdu.h b/include/net/llc_pdu.h index 31e2de7d57c5..c0f0a13ed818 100644 --- a/include/net/llc_pdu.h +++ b/include/net/llc_pdu.h @@ -142,7 +142,7 @@ #define LLC_S_PF_IS_1(pdu) ((pdu->ctrl_2 & LLC_S_PF_BIT_MASK) ? 1 : 0) #define PDU_SUPV_GET_Nr(pdu) ((pdu->ctrl_2 & 0xFE) >> 1) -#define PDU_GET_NEXT_Vr(sn) (++sn & ~LLC_2_SEQ_NBR_MODULO) +#define PDU_GET_NEXT_Vr(sn) (((sn) + 1) & ~LLC_2_SEQ_NBR_MODULO) /* FRMR information field macros */ diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h index 67b5d0068273..0a248b323d87 100644 --- a/include/net/sctp/structs.h +++ b/include/net/sctp/structs.h @@ -1046,9 +1046,6 @@ struct sctp_outq { /* Corked? */ char cork; - - /* Is this structure empty? */ - char empty; }; void sctp_outq_init(struct sctp_association *, struct sctp_outq *); diff --git a/include/uapi/drm/radeon_drm.h b/include/uapi/drm/radeon_drm.h index 2f3f7ea8c77b..fe421e8a431b 100644 --- a/include/uapi/drm/radeon_drm.h +++ b/include/uapi/drm/radeon_drm.h @@ -983,6 +983,8 @@ struct drm_radeon_cs { #define RADEON_INFO_SI_CP_DMA_COMPUTE 0x17 /* CIK macrotile mode array */ #define RADEON_INFO_CIK_MACROTILE_MODE_ARRAY 0x18 +/* query the number of render backends */ +#define RADEON_INFO_SI_BACKEND_ENABLED_MASK 0x19 struct drm_radeon_info { diff --git a/include/uapi/linux/input.h b/include/uapi/linux/input.h index ecc88592ecbe..bd24470d24a2 100644 --- a/include/uapi/linux/input.h +++ b/include/uapi/linux/input.h @@ -464,7 +464,8 @@ struct input_keymap_entry { #define KEY_BRIGHTNESS_ZERO 244 /* brightness off, use ambient */ #define KEY_DISPLAY_OFF 245 /* display device to off state */ -#define KEY_WIMAX 246 +#define KEY_WWAN 246 /* Wireless WAN (LTE, UMTS, GSM, etc.) */ +#define KEY_WIMAX KEY_WWAN #define KEY_RFKILL 247 /* Key that controls all radios */ #define KEY_MICMUTE 248 /* Mute / unmute the microphone */ diff --git a/mm/fremap.c b/mm/fremap.c index 5bff08147768..bbc4d660221a 100644 --- a/mm/fremap.c +++ b/mm/fremap.c @@ -208,9 +208,10 @@ get_write_lock: if (mapping_cap_account_dirty(mapping)) { unsigned long addr; struct file *file = get_file(vma->vm_file); + /* mmap_region may free vma; grab the info now */ + vm_flags = vma->vm_flags; - addr = mmap_region(file, start, size, - vma->vm_flags, pgoff); + addr = mmap_region(file, start, size, vm_flags, pgoff); fput(file); if (IS_ERR_VALUE(addr)) { err = addr; @@ -218,7 +219,7 @@ get_write_lock: BUG_ON(addr != start); err = 0; } - goto out; + goto out_freed; } mutex_lock(&mapping->i_mmap_mutex); flush_dcache_mmap_lock(mapping); @@ -253,6 +254,7 @@ get_write_lock: out: if (vma) vm_flags = vma->vm_flags; +out_freed: if (likely(!has_write_lock)) up_read(&mm->mmap_sem); else diff --git a/mm/huge_memory.c b/mm/huge_memory.c index 7de1bf85f683..95d1acb0f3d2 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -883,9 +883,6 @@ int copy_huge_pmd(struct mm_struct *dst_mm, struct mm_struct *src_mm, goto out_unlock; } - /* mmap_sem prevents this happening but warn if that changes */ - WARN_ON(pmd_trans_migrating(pmd)); - if (unlikely(pmd_trans_splitting(pmd))) { /* split huge page running from under us */ spin_unlock(src_ptl); @@ -1157,7 +1154,7 @@ alloc: new_page = NULL; if (unlikely(!new_page)) { - if (is_huge_zero_pmd(orig_pmd)) { + if (!page) { ret = do_huge_pmd_wp_zero_page_fallback(mm, vma, address, pmd, orig_pmd, haddr); } else { @@ -1184,7 +1181,7 @@ alloc: count_vm_event(THP_FAULT_ALLOC); - if (is_huge_zero_pmd(orig_pmd)) + if (!page) clear_huge_page(new_page, haddr, HPAGE_PMD_NR); else copy_user_huge_page(new_page, page, haddr, vma, HPAGE_PMD_NR); @@ -1210,7 +1207,7 @@ alloc: page_add_new_anon_rmap(new_page, vma, haddr); set_pmd_at(mm, haddr, pmd, entry); update_mmu_cache_pmd(vma, address, pmd); - if (is_huge_zero_pmd(orig_pmd)) { + if (!page) { add_mm_counter(mm, MM_ANONPAGES, HPAGE_PMD_NR); put_huge_zero_page(); } else { diff --git a/mm/memcontrol.c b/mm/memcontrol.c index bf5e89457149..7f1a356153c0 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -338,7 +338,7 @@ struct mem_cgroup { static size_t memcg_size(void) { return sizeof(struct mem_cgroup) + - nr_node_ids * sizeof(struct mem_cgroup_per_node); + nr_node_ids * sizeof(struct mem_cgroup_per_node *); } /* internal only representation about the status of kmem accounting. */ diff --git a/mm/memory-failure.c b/mm/memory-failure.c index db08af92c6fc..fabe55046c1d 100644 --- a/mm/memory-failure.c +++ b/mm/memory-failure.c @@ -938,6 +938,16 @@ static int hwpoison_user_mappings(struct page *p, unsigned long pfn, BUG_ON(!PageHWPoison(p)); return SWAP_FAIL; } + /* + * We pinned the head page for hwpoison handling, + * now we split the thp and we are interested in + * the hwpoisoned raw page, so move the refcount + * to it. + */ + if (hpage != p) { + put_page(hpage); + get_page(p); + } /* THP is split, so ppage should be the real poisoned page. */ ppage = p; } diff --git a/mm/mlock.c b/mm/mlock.c index d480cd6fc475..192e6eebe4f2 100644 --- a/mm/mlock.c +++ b/mm/mlock.c @@ -133,7 +133,10 @@ static void __munlock_isolation_failed(struct page *page) /** * munlock_vma_page - munlock a vma page - * @page - page to be unlocked + * @page - page to be unlocked, either a normal page or THP page head + * + * returns the size of the page as a page mask (0 for normal page, + * HPAGE_PMD_NR - 1 for THP head page) * * called from munlock()/munmap() path with page supposedly on the LRU. * When we munlock a page, because the vma where we found the page is being @@ -148,21 +151,30 @@ static void __munlock_isolation_failed(struct page *page) */ unsigned int munlock_vma_page(struct page *page) { - unsigned int page_mask = 0; + unsigned int nr_pages; BUG_ON(!PageLocked(page)); if (TestClearPageMlocked(page)) { - unsigned int nr_pages = hpage_nr_pages(page); + nr_pages = hpage_nr_pages(page); mod_zone_page_state(page_zone(page), NR_MLOCK, -nr_pages); - page_mask = nr_pages - 1; if (!isolate_lru_page(page)) __munlock_isolated_page(page); else __munlock_isolation_failed(page); + } else { + nr_pages = hpage_nr_pages(page); } - return page_mask; + /* + * Regardless of the original PageMlocked flag, we determine nr_pages + * after touching the flag. This leaves a possible race with a THP page + * split, such that a whole THP page was munlocked, but nr_pages == 1. + * Returning a smaller mask due to that is OK, the worst that can + * happen is subsequent useless scanning of the former tail pages. + * The NR_MLOCK accounting can however become broken. + */ + return nr_pages - 1; } /** @@ -286,10 +298,12 @@ static void __munlock_pagevec(struct pagevec *pvec, struct zone *zone) { int i; int nr = pagevec_count(pvec); - int delta_munlocked = -nr; + int delta_munlocked; struct pagevec pvec_putback; int pgrescued = 0; + pagevec_init(&pvec_putback, 0); + /* Phase 1: page isolation */ spin_lock_irq(&zone->lru_lock); for (i = 0; i < nr; i++) { @@ -318,18 +332,21 @@ skip_munlock: /* * We won't be munlocking this page in the next phase * but we still need to release the follow_page_mask() - * pin. + * pin. We cannot do it under lru_lock however. If it's + * the last pin, __page_cache_release would deadlock. */ + pagevec_add(&pvec_putback, pvec->pages[i]); pvec->pages[i] = NULL; - put_page(page); - delta_munlocked++; } } + delta_munlocked = -nr + pagevec_count(&pvec_putback); __mod_zone_page_state(zone, NR_MLOCK, delta_munlocked); spin_unlock_irq(&zone->lru_lock); + /* Now we can release pins of pages that we are not munlocking */ + pagevec_release(&pvec_putback); + /* Phase 2: page munlock */ - pagevec_init(&pvec_putback, 0); for (i = 0; i < nr; i++) { struct page *page = pvec->pages[i]; @@ -440,7 +457,8 @@ void munlock_vma_pages_range(struct vm_area_struct *vma, while (start < end) { struct page *page = NULL; - unsigned int page_mask, page_increm; + unsigned int page_mask; + unsigned long page_increm; struct pagevec pvec; struct zone *zone; int zoneid; @@ -490,7 +508,9 @@ void munlock_vma_pages_range(struct vm_area_struct *vma, goto next; } } - page_increm = 1 + (~(start >> PAGE_SHIFT) & page_mask); + /* It's a bug to munlock in the middle of a THP page */ + VM_BUG_ON((start >> PAGE_SHIFT) & page_mask); + page_increm = 1 + page_mask; start += page_increm * PAGE_SIZE; next: cond_resched(); diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c index 762896ebfcf5..47c908f1f626 100644 --- a/net/8021q/vlan_dev.c +++ b/net/8021q/vlan_dev.c @@ -530,6 +530,23 @@ static const struct header_ops vlan_header_ops = { .parse = eth_header_parse, }; +static int vlan_passthru_hard_header(struct sk_buff *skb, struct net_device *dev, + unsigned short type, + const void *daddr, const void *saddr, + unsigned int len) +{ + struct vlan_dev_priv *vlan = vlan_dev_priv(dev); + struct net_device *real_dev = vlan->real_dev; + + return dev_hard_header(skb, real_dev, type, daddr, saddr, len); +} + +static const struct header_ops vlan_passthru_header_ops = { + .create = vlan_passthru_hard_header, + .rebuild = dev_rebuild_header, + .parse = eth_header_parse, +}; + static struct device_type vlan_type = { .name = "vlan", }; @@ -573,7 +590,7 @@ static int vlan_dev_init(struct net_device *dev) dev->needed_headroom = real_dev->needed_headroom; if (real_dev->features & NETIF_F_HW_VLAN_CTAG_TX) { - dev->header_ops = real_dev->header_ops; + dev->header_ops = &vlan_passthru_header_ops; dev->hard_header_len = real_dev->hard_header_len; } else { dev->header_ops = &vlan_header_ops; diff --git a/net/batman-adv/bat_iv_ogm.c b/net/batman-adv/bat_iv_ogm.c index a2b480a90872..b9c8a6eedf45 100644 --- a/net/batman-adv/bat_iv_ogm.c +++ b/net/batman-adv/bat_iv_ogm.c @@ -307,9 +307,9 @@ static int batadv_iv_ogm_iface_enable(struct batadv_hard_iface *hard_iface) hard_iface->bat_iv.ogm_buff = ogm_buff; batadv_ogm_packet = (struct batadv_ogm_packet *)ogm_buff; - batadv_ogm_packet->header.packet_type = BATADV_IV_OGM; - batadv_ogm_packet->header.version = BATADV_COMPAT_VERSION; - batadv_ogm_packet->header.ttl = 2; + batadv_ogm_packet->packet_type = BATADV_IV_OGM; + batadv_ogm_packet->version = BATADV_COMPAT_VERSION; + batadv_ogm_packet->ttl = 2; batadv_ogm_packet->flags = BATADV_NO_FLAGS; batadv_ogm_packet->reserved = 0; batadv_ogm_packet->tq = BATADV_TQ_MAX_VALUE; @@ -346,7 +346,7 @@ batadv_iv_ogm_primary_iface_set(struct batadv_hard_iface *hard_iface) batadv_ogm_packet = (struct batadv_ogm_packet *)ogm_buff; batadv_ogm_packet->flags = BATADV_PRIMARIES_FIRST_HOP; - batadv_ogm_packet->header.ttl = BATADV_TTL; + batadv_ogm_packet->ttl = BATADV_TTL; } /* when do we schedule our own ogm to be sent */ @@ -435,7 +435,7 @@ static void batadv_iv_ogm_send_to_if(struct batadv_forw_packet *forw_packet, fwd_str, (packet_num > 0 ? "aggregated " : ""), batadv_ogm_packet->orig, ntohl(batadv_ogm_packet->seqno), - batadv_ogm_packet->tq, batadv_ogm_packet->header.ttl, + batadv_ogm_packet->tq, batadv_ogm_packet->ttl, (batadv_ogm_packet->flags & BATADV_DIRECTLINK ? "on" : "off"), hard_iface->net_dev->name, @@ -491,7 +491,7 @@ static void batadv_iv_ogm_emit(struct batadv_forw_packet *forw_packet) /* multihomed peer assumed * non-primary OGMs are only broadcasted on their interface */ - if ((directlink && (batadv_ogm_packet->header.ttl == 1)) || + if ((directlink && (batadv_ogm_packet->ttl == 1)) || (forw_packet->own && (forw_packet->if_incoming != primary_if))) { /* FIXME: what about aggregated packets ? */ batadv_dbg(BATADV_DBG_BATMAN, bat_priv, @@ -499,7 +499,7 @@ static void batadv_iv_ogm_emit(struct batadv_forw_packet *forw_packet) (forw_packet->own ? "Sending own" : "Forwarding"), batadv_ogm_packet->orig, ntohl(batadv_ogm_packet->seqno), - batadv_ogm_packet->header.ttl, + batadv_ogm_packet->ttl, forw_packet->if_incoming->net_dev->name, forw_packet->if_incoming->net_dev->dev_addr); @@ -572,7 +572,7 @@ batadv_iv_ogm_can_aggregate(const struct batadv_ogm_packet *new_bat_ogm_packet, */ if ((!directlink) && (!(batadv_ogm_packet->flags & BATADV_DIRECTLINK)) && - (batadv_ogm_packet->header.ttl != 1) && + (batadv_ogm_packet->ttl != 1) && /* own packets originating non-primary * interfaces leave only that interface @@ -587,7 +587,7 @@ batadv_iv_ogm_can_aggregate(const struct batadv_ogm_packet *new_bat_ogm_packet, * interface only - we still can aggregate */ if ((directlink) && - (new_bat_ogm_packet->header.ttl == 1) && + (new_bat_ogm_packet->ttl == 1) && (forw_packet->if_incoming == if_incoming) && /* packets from direct neighbors or @@ -778,7 +778,7 @@ static void batadv_iv_ogm_forward(struct batadv_orig_node *orig_node, struct batadv_priv *bat_priv = netdev_priv(if_incoming->soft_iface); uint16_t tvlv_len; - if (batadv_ogm_packet->header.ttl <= 1) { + if (batadv_ogm_packet->ttl <= 1) { batadv_dbg(BATADV_DBG_BATMAN, bat_priv, "ttl exceeded\n"); return; } @@ -798,7 +798,7 @@ static void batadv_iv_ogm_forward(struct batadv_orig_node *orig_node, tvlv_len = ntohs(batadv_ogm_packet->tvlv_len); - batadv_ogm_packet->header.ttl--; + batadv_ogm_packet->ttl--; memcpy(batadv_ogm_packet->prev_sender, ethhdr->h_source, ETH_ALEN); /* apply hop penalty */ @@ -807,7 +807,7 @@ static void batadv_iv_ogm_forward(struct batadv_orig_node *orig_node, batadv_dbg(BATADV_DBG_BATMAN, bat_priv, "Forwarding packet: tq: %i, ttl: %i\n", - batadv_ogm_packet->tq, batadv_ogm_packet->header.ttl); + batadv_ogm_packet->tq, batadv_ogm_packet->ttl); /* switch of primaries first hop flag when forwarding */ batadv_ogm_packet->flags &= ~BATADV_PRIMARIES_FIRST_HOP; @@ -972,8 +972,8 @@ batadv_iv_ogm_orig_update(struct batadv_priv *bat_priv, spin_unlock_bh(&neigh_node->bat_iv.lq_update_lock); if (dup_status == BATADV_NO_DUP) { - orig_node->last_ttl = batadv_ogm_packet->header.ttl; - neigh_node->last_ttl = batadv_ogm_packet->header.ttl; + orig_node->last_ttl = batadv_ogm_packet->ttl; + neigh_node->last_ttl = batadv_ogm_packet->ttl; } batadv_bonding_candidate_add(bat_priv, orig_node, neigh_node); @@ -1247,7 +1247,7 @@ static void batadv_iv_ogm_process(const struct ethhdr *ethhdr, * packet in an aggregation. Here we expect that the padding * is always zero (or not 0x01) */ - if (batadv_ogm_packet->header.packet_type != BATADV_IV_OGM) + if (batadv_ogm_packet->packet_type != BATADV_IV_OGM) return; /* could be changed by schedule_own_packet() */ @@ -1267,8 +1267,8 @@ static void batadv_iv_ogm_process(const struct ethhdr *ethhdr, if_incoming->net_dev->dev_addr, batadv_ogm_packet->orig, batadv_ogm_packet->prev_sender, ntohl(batadv_ogm_packet->seqno), batadv_ogm_packet->tq, - batadv_ogm_packet->header.ttl, - batadv_ogm_packet->header.version, has_directlink_flag); + batadv_ogm_packet->ttl, + batadv_ogm_packet->version, has_directlink_flag); rcu_read_lock(); list_for_each_entry_rcu(hard_iface, &batadv_hardif_list, list) { @@ -1433,7 +1433,7 @@ static void batadv_iv_ogm_process(const struct ethhdr *ethhdr, * seqno and similar ttl as the non-duplicate */ sameseq = orig_node->last_real_seqno == ntohl(batadv_ogm_packet->seqno); - similar_ttl = orig_node->last_ttl - 3 <= batadv_ogm_packet->header.ttl; + similar_ttl = orig_node->last_ttl - 3 <= batadv_ogm_packet->ttl; if (is_bidirect && ((dup_status == BATADV_NO_DUP) || (sameseq && similar_ttl))) batadv_iv_ogm_orig_update(bat_priv, orig_node, ethhdr, diff --git a/net/batman-adv/distributed-arp-table.c b/net/batman-adv/distributed-arp-table.c index 6c8c3934bd7b..b316a4cb6f14 100644 --- a/net/batman-adv/distributed-arp-table.c +++ b/net/batman-adv/distributed-arp-table.c @@ -349,7 +349,7 @@ static void batadv_dbg_arp(struct batadv_priv *bat_priv, struct sk_buff *skb, unicast_4addr_packet = (struct batadv_unicast_4addr_packet *)skb->data; - switch (unicast_4addr_packet->u.header.packet_type) { + switch (unicast_4addr_packet->u.packet_type) { case BATADV_UNICAST: batadv_dbg(BATADV_DBG_DAT, bat_priv, "* encapsulated within a UNICAST packet\n"); @@ -374,7 +374,7 @@ static void batadv_dbg_arp(struct batadv_priv *bat_priv, struct sk_buff *skb, break; default: batadv_dbg(BATADV_DBG_DAT, bat_priv, "* type: Unknown (%u)!\n", - unicast_4addr_packet->u.header.packet_type); + unicast_4addr_packet->u.packet_type); } break; case BATADV_BCAST: @@ -387,7 +387,7 @@ static void batadv_dbg_arp(struct batadv_priv *bat_priv, struct sk_buff *skb, default: batadv_dbg(BATADV_DBG_DAT, bat_priv, "* encapsulated within an unknown packet type (0x%x)\n", - unicast_4addr_packet->u.header.packet_type); + unicast_4addr_packet->u.packet_type); } } diff --git a/net/batman-adv/fragmentation.c b/net/batman-adv/fragmentation.c index 271d321b3a04..6ddb6145ffb5 100644 --- a/net/batman-adv/fragmentation.c +++ b/net/batman-adv/fragmentation.c @@ -355,7 +355,7 @@ bool batadv_frag_skb_fwd(struct sk_buff *skb, batadv_add_counter(bat_priv, BATADV_CNT_FRAG_FWD_BYTES, skb->len + ETH_HLEN); - packet->header.ttl--; + packet->ttl--; batadv_send_skb_packet(skb, neigh_node->if_incoming, neigh_node->addr); ret = true; @@ -444,9 +444,9 @@ bool batadv_frag_send_packet(struct sk_buff *skb, goto out_err; /* Create one header to be copied to all fragments */ - frag_header.header.packet_type = BATADV_UNICAST_FRAG; - frag_header.header.version = BATADV_COMPAT_VERSION; - frag_header.header.ttl = BATADV_TTL; + frag_header.packet_type = BATADV_UNICAST_FRAG; + frag_header.version = BATADV_COMPAT_VERSION; + frag_header.ttl = BATADV_TTL; frag_header.seqno = htons(atomic_inc_return(&bat_priv->frag_seqno)); frag_header.reserved = 0; frag_header.no = 0; diff --git a/net/batman-adv/icmp_socket.c b/net/batman-adv/icmp_socket.c index 29ae4efe3543..130cc3217e2b 100644 --- a/net/batman-adv/icmp_socket.c +++ b/net/batman-adv/icmp_socket.c @@ -194,7 +194,7 @@ static ssize_t batadv_socket_write(struct file *file, const char __user *buff, goto free_skb; } - if (icmp_header->header.packet_type != BATADV_ICMP) { + if (icmp_header->packet_type != BATADV_ICMP) { batadv_dbg(BATADV_DBG_BATMAN, bat_priv, "Error - can't send packet from char device: got bogus packet type (expected: BAT_ICMP)\n"); len = -EINVAL; @@ -243,9 +243,9 @@ static ssize_t batadv_socket_write(struct file *file, const char __user *buff, icmp_header->uid = socket_client->index; - if (icmp_header->header.version != BATADV_COMPAT_VERSION) { + if (icmp_header->version != BATADV_COMPAT_VERSION) { icmp_header->msg_type = BATADV_PARAMETER_PROBLEM; - icmp_header->header.version = BATADV_COMPAT_VERSION; + icmp_header->version = BATADV_COMPAT_VERSION; batadv_socket_add_packet(socket_client, icmp_header, packet_len); goto free_skb; diff --git a/net/batman-adv/main.c b/net/batman-adv/main.c index c51a5e568f0a..1511f64a6cea 100644 --- a/net/batman-adv/main.c +++ b/net/batman-adv/main.c @@ -383,17 +383,17 @@ int batadv_batman_skb_recv(struct sk_buff *skb, struct net_device *dev, batadv_ogm_packet = (struct batadv_ogm_packet *)skb->data; - if (batadv_ogm_packet->header.version != BATADV_COMPAT_VERSION) { + if (batadv_ogm_packet->version != BATADV_COMPAT_VERSION) { batadv_dbg(BATADV_DBG_BATMAN, bat_priv, "Drop packet: incompatible batman version (%i)\n", - batadv_ogm_packet->header.version); + batadv_ogm_packet->version); goto err_free; } /* all receive handlers return whether they received or reused * the supplied skb. if not, we have to free the skb. */ - idx = batadv_ogm_packet->header.packet_type; + idx = batadv_ogm_packet->packet_type; ret = (*batadv_rx_handler[idx])(skb, hard_iface); if (ret == NET_RX_DROP) @@ -426,8 +426,8 @@ static void batadv_recv_handler_init(void) BUILD_BUG_ON(offsetof(struct batadv_unicast_packet, dest) != 4); BUILD_BUG_ON(offsetof(struct batadv_unicast_tvlv_packet, dst) != 4); BUILD_BUG_ON(offsetof(struct batadv_frag_packet, dest) != 4); - BUILD_BUG_ON(offsetof(struct batadv_icmp_packet, icmph.dst) != 4); - BUILD_BUG_ON(offsetof(struct batadv_icmp_packet_rr, icmph.dst) != 4); + BUILD_BUG_ON(offsetof(struct batadv_icmp_packet, dst) != 4); + BUILD_BUG_ON(offsetof(struct batadv_icmp_packet_rr, dst) != 4); /* broadcast packet */ batadv_rx_handler[BATADV_BCAST] = batadv_recv_bcast_packet; @@ -1119,9 +1119,9 @@ void batadv_tvlv_unicast_send(struct batadv_priv *bat_priv, uint8_t *src, skb_reserve(skb, ETH_HLEN); tvlv_buff = skb_put(skb, sizeof(*unicast_tvlv_packet) + tvlv_len); unicast_tvlv_packet = (struct batadv_unicast_tvlv_packet *)tvlv_buff; - unicast_tvlv_packet->header.packet_type = BATADV_UNICAST_TVLV; - unicast_tvlv_packet->header.version = BATADV_COMPAT_VERSION; - unicast_tvlv_packet->header.ttl = BATADV_TTL; + unicast_tvlv_packet->packet_type = BATADV_UNICAST_TVLV; + unicast_tvlv_packet->version = BATADV_COMPAT_VERSION; + unicast_tvlv_packet->ttl = BATADV_TTL; unicast_tvlv_packet->reserved = 0; unicast_tvlv_packet->tvlv_len = htons(tvlv_len); unicast_tvlv_packet->align = 0; diff --git a/net/batman-adv/network-coding.c b/net/batman-adv/network-coding.c index 351e199bc0af..511d7e1eea38 100644 --- a/net/batman-adv/network-coding.c +++ b/net/batman-adv/network-coding.c @@ -722,7 +722,7 @@ static bool batadv_can_nc_with_orig(struct batadv_priv *bat_priv, { if (orig_node->last_real_seqno != ntohl(ogm_packet->seqno)) return false; - if (orig_node->last_ttl != ogm_packet->header.ttl + 1) + if (orig_node->last_ttl != ogm_packet->ttl + 1) return false; if (!batadv_compare_eth(ogm_packet->orig, ogm_packet->prev_sender)) return false; @@ -1082,9 +1082,9 @@ static bool batadv_nc_code_packets(struct batadv_priv *bat_priv, coded_packet = (struct batadv_coded_packet *)skb_dest->data; skb_reset_mac_header(skb_dest); - coded_packet->header.packet_type = BATADV_CODED; - coded_packet->header.version = BATADV_COMPAT_VERSION; - coded_packet->header.ttl = packet1->header.ttl; + coded_packet->packet_type = BATADV_CODED; + coded_packet->version = BATADV_COMPAT_VERSION; + coded_packet->ttl = packet1->ttl; /* Info about first unicast packet */ memcpy(coded_packet->first_source, first_source, ETH_ALEN); @@ -1097,7 +1097,7 @@ static bool batadv_nc_code_packets(struct batadv_priv *bat_priv, memcpy(coded_packet->second_source, second_source, ETH_ALEN); memcpy(coded_packet->second_orig_dest, packet2->dest, ETH_ALEN); coded_packet->second_crc = packet_id2; - coded_packet->second_ttl = packet2->header.ttl; + coded_packet->second_ttl = packet2->ttl; coded_packet->second_ttvn = packet2->ttvn; coded_packet->coded_len = htons(coding_len); @@ -1452,7 +1452,7 @@ bool batadv_nc_skb_forward(struct sk_buff *skb, /* We only handle unicast packets */ payload = skb_network_header(skb); packet = (struct batadv_unicast_packet *)payload; - if (packet->header.packet_type != BATADV_UNICAST) + if (packet->packet_type != BATADV_UNICAST) goto out; /* Try to find a coding opportunity and send the skb if one is found */ @@ -1505,7 +1505,7 @@ void batadv_nc_skb_store_for_decoding(struct batadv_priv *bat_priv, /* Check for supported packet type */ payload = skb_network_header(skb); packet = (struct batadv_unicast_packet *)payload; - if (packet->header.packet_type != BATADV_UNICAST) + if (packet->packet_type != BATADV_UNICAST) goto out; /* Find existing nc_path or create a new */ @@ -1623,7 +1623,7 @@ batadv_nc_skb_decode_packet(struct batadv_priv *bat_priv, struct sk_buff *skb, ttvn = coded_packet_tmp.second_ttvn; } else { orig_dest = coded_packet_tmp.first_orig_dest; - ttl = coded_packet_tmp.header.ttl; + ttl = coded_packet_tmp.ttl; ttvn = coded_packet_tmp.first_ttvn; } @@ -1648,9 +1648,9 @@ batadv_nc_skb_decode_packet(struct batadv_priv *bat_priv, struct sk_buff *skb, /* Create decoded unicast packet */ unicast_packet = (struct batadv_unicast_packet *)skb->data; - unicast_packet->header.packet_type = BATADV_UNICAST; - unicast_packet->header.version = BATADV_COMPAT_VERSION; - unicast_packet->header.ttl = ttl; + unicast_packet->packet_type = BATADV_UNICAST; + unicast_packet->version = BATADV_COMPAT_VERSION; + unicast_packet->ttl = ttl; memcpy(unicast_packet->dest, orig_dest, ETH_ALEN); unicast_packet->ttvn = ttvn; diff --git a/net/batman-adv/packet.h b/net/batman-adv/packet.h index 207459b62966..2dd8f2422550 100644 --- a/net/batman-adv/packet.h +++ b/net/batman-adv/packet.h @@ -155,6 +155,7 @@ enum batadv_tvlv_type { BATADV_TVLV_ROAM = 0x05, }; +#pragma pack(2) /* the destination hardware field in the ARP frame is used to * transport the claim type and the group id */ @@ -163,24 +164,20 @@ struct batadv_bla_claim_dst { uint8_t type; /* bla_claimframe */ __be16 group; /* group id */ }; - -struct batadv_header { - uint8_t packet_type; - uint8_t version; /* batman version field */ - uint8_t ttl; - /* the parent struct has to add a byte after the header to make - * everything 4 bytes aligned again - */ -}; +#pragma pack() /** * struct batadv_ogm_packet - ogm (routing protocol) packet - * @header: common batman packet header + * @packet_type: batman-adv packet type, part of the general header + * @version: batman-adv protocol version, part of the genereal header + * @ttl: time to live for this packet, part of the genereal header * @flags: contains routing relevant flags - see enum batadv_iv_flags * @tvlv_len: length of tvlv data following the ogm header */ struct batadv_ogm_packet { - struct batadv_header header; + uint8_t packet_type; + uint8_t version; + uint8_t ttl; uint8_t flags; __be32 seqno; uint8_t orig[ETH_ALEN]; @@ -196,29 +193,51 @@ struct batadv_ogm_packet { #define BATADV_OGM_HLEN sizeof(struct batadv_ogm_packet) /** - * batadv_icmp_header - common ICMP header - * @header: common batman header + * batadv_icmp_header - common members among all the ICMP packets + * @packet_type: batman-adv packet type, part of the general header + * @version: batman-adv protocol version, part of the genereal header + * @ttl: time to live for this packet, part of the genereal header * @msg_type: ICMP packet type * @dst: address of the destination node * @orig: address of the source node * @uid: local ICMP socket identifier + * @align: not used - useful for alignment purposes only + * + * This structure is used for ICMP packets parsing only and it is never sent + * over the wire. The alignment field at the end is there to ensure that + * members are padded the same way as they are in real packets. */ struct batadv_icmp_header { - struct batadv_header header; + uint8_t packet_type; + uint8_t version; + uint8_t ttl; uint8_t msg_type; /* see ICMP message types above */ uint8_t dst[ETH_ALEN]; uint8_t orig[ETH_ALEN]; uint8_t uid; + uint8_t align[3]; }; /** * batadv_icmp_packet - ICMP packet - * @icmph: common ICMP header + * @packet_type: batman-adv packet type, part of the general header + * @version: batman-adv protocol version, part of the genereal header + * @ttl: time to live for this packet, part of the genereal header + * @msg_type: ICMP packet type + * @dst: address of the destination node + * @orig: address of the source node + * @uid: local ICMP socket identifier * @reserved: not used - useful for alignment * @seqno: ICMP sequence number */ struct batadv_icmp_packet { - struct batadv_icmp_header icmph; + uint8_t packet_type; + uint8_t version; + uint8_t ttl; + uint8_t msg_type; /* see ICMP message types above */ + uint8_t dst[ETH_ALEN]; + uint8_t orig[ETH_ALEN]; + uint8_t uid; uint8_t reserved; __be16 seqno; }; @@ -227,13 +246,25 @@ struct batadv_icmp_packet { /** * batadv_icmp_packet_rr - ICMP RouteRecord packet - * @icmph: common ICMP header + * @packet_type: batman-adv packet type, part of the general header + * @version: batman-adv protocol version, part of the genereal header + * @ttl: time to live for this packet, part of the genereal header + * @msg_type: ICMP packet type + * @dst: address of the destination node + * @orig: address of the source node + * @uid: local ICMP socket identifier * @rr_cur: number of entries the rr array * @seqno: ICMP sequence number * @rr: route record array */ struct batadv_icmp_packet_rr { - struct batadv_icmp_header icmph; + uint8_t packet_type; + uint8_t version; + uint8_t ttl; + uint8_t msg_type; /* see ICMP message types above */ + uint8_t dst[ETH_ALEN]; + uint8_t orig[ETH_ALEN]; + uint8_t uid; uint8_t rr_cur; __be16 seqno; uint8_t rr[BATADV_RR_LEN][ETH_ALEN]; @@ -253,8 +284,18 @@ struct batadv_icmp_packet_rr { */ #pragma pack(2) +/** + * struct batadv_unicast_packet - unicast packet for network payload + * @packet_type: batman-adv packet type, part of the general header + * @version: batman-adv protocol version, part of the genereal header + * @ttl: time to live for this packet, part of the genereal header + * @ttvn: translation table version number + * @dest: originator destination of the unicast packet + */ struct batadv_unicast_packet { - struct batadv_header header; + uint8_t packet_type; + uint8_t version; + uint8_t ttl; uint8_t ttvn; /* destination translation table version number */ uint8_t dest[ETH_ALEN]; /* "4 bytes boundary + 2 bytes" long to make the payload after the @@ -280,7 +321,9 @@ struct batadv_unicast_4addr_packet { /** * struct batadv_frag_packet - fragmented packet - * @header: common batman packet header with type, compatversion, and ttl + * @packet_type: batman-adv packet type, part of the general header + * @version: batman-adv protocol version, part of the genereal header + * @ttl: time to live for this packet, part of the genereal header * @dest: final destination used when routing fragments * @orig: originator of the fragment used when merging the packet * @no: fragment number within this sequence @@ -289,7 +332,9 @@ struct batadv_unicast_4addr_packet { * @total_size: size of the merged packet */ struct batadv_frag_packet { - struct batadv_header header; + uint8_t packet_type; + uint8_t version; /* batman version field */ + uint8_t ttl; #if defined(__BIG_ENDIAN_BITFIELD) uint8_t no:4; uint8_t reserved:4; @@ -305,8 +350,19 @@ struct batadv_frag_packet { __be16 total_size; }; +/** + * struct batadv_bcast_packet - broadcast packet for network payload + * @packet_type: batman-adv packet type, part of the general header + * @version: batman-adv protocol version, part of the genereal header + * @ttl: time to live for this packet, part of the genereal header + * @reserved: reserved byte for alignment + * @seqno: sequence identification + * @orig: originator of the broadcast packet + */ struct batadv_bcast_packet { - struct batadv_header header; + uint8_t packet_type; + uint8_t version; /* batman version field */ + uint8_t ttl; uint8_t reserved; __be32 seqno; uint8_t orig[ETH_ALEN]; @@ -315,11 +371,11 @@ struct batadv_bcast_packet { */ }; -#pragma pack() - /** * struct batadv_coded_packet - network coded packet - * @header: common batman packet header and ttl of first included packet + * @packet_type: batman-adv packet type, part of the general header + * @version: batman-adv protocol version, part of the genereal header + * @ttl: time to live for this packet, part of the genereal header * @reserved: Align following fields to 2-byte boundaries * @first_source: original source of first included packet * @first_orig_dest: original destinal of first included packet @@ -334,7 +390,9 @@ struct batadv_bcast_packet { * @coded_len: length of network coded part of the payload */ struct batadv_coded_packet { - struct batadv_header header; + uint8_t packet_type; + uint8_t version; /* batman version field */ + uint8_t ttl; uint8_t first_ttvn; /* uint8_t first_dest[ETH_ALEN]; - saved in mac header destination */ uint8_t first_source[ETH_ALEN]; @@ -349,9 +407,13 @@ struct batadv_coded_packet { __be16 coded_len; }; +#pragma pack() + /** * struct batadv_unicast_tvlv - generic unicast packet with tvlv payload - * @header: common batman packet header + * @packet_type: batman-adv packet type, part of the general header + * @version: batman-adv protocol version, part of the genereal header + * @ttl: time to live for this packet, part of the genereal header * @reserved: reserved field (for packet alignment) * @src: address of the source * @dst: address of the destination @@ -359,7 +421,9 @@ struct batadv_coded_packet { * @align: 2 bytes to align the header to a 4 byte boundry */ struct batadv_unicast_tvlv_packet { - struct batadv_header header; + uint8_t packet_type; + uint8_t version; /* batman version field */ + uint8_t ttl; uint8_t reserved; uint8_t dst[ETH_ALEN]; uint8_t src[ETH_ALEN]; @@ -420,13 +484,13 @@ struct batadv_tvlv_tt_vlan_data { * struct batadv_tvlv_tt_change - translation table diff data * @flags: status indicators concerning the non-mesh client (see * batadv_tt_client_flags) - * @reserved: reserved field + * @reserved: reserved field - useful for alignment purposes only * @addr: mac address of non-mesh client that triggered this tt change * @vid: VLAN identifier */ struct batadv_tvlv_tt_change { uint8_t flags; - uint8_t reserved; + uint8_t reserved[3]; uint8_t addr[ETH_ALEN]; __be16 vid; }; diff --git a/net/batman-adv/routing.c b/net/batman-adv/routing.c index d4114d775ad6..46278bfb8fdb 100644 --- a/net/batman-adv/routing.c +++ b/net/batman-adv/routing.c @@ -308,7 +308,7 @@ static int batadv_recv_my_icmp_packet(struct batadv_priv *bat_priv, memcpy(icmph->dst, icmph->orig, ETH_ALEN); memcpy(icmph->orig, primary_if->net_dev->dev_addr, ETH_ALEN); icmph->msg_type = BATADV_ECHO_REPLY; - icmph->header.ttl = BATADV_TTL; + icmph->ttl = BATADV_TTL; res = batadv_send_skb_to_orig(skb, orig_node, NULL); if (res != NET_XMIT_DROP) @@ -338,9 +338,9 @@ static int batadv_recv_icmp_ttl_exceeded(struct batadv_priv *bat_priv, icmp_packet = (struct batadv_icmp_packet *)skb->data; /* send TTL exceeded if packet is an echo request (traceroute) */ - if (icmp_packet->icmph.msg_type != BATADV_ECHO_REQUEST) { + if (icmp_packet->msg_type != BATADV_ECHO_REQUEST) { pr_debug("Warning - can't forward icmp packet from %pM to %pM: ttl exceeded\n", - icmp_packet->icmph.orig, icmp_packet->icmph.dst); + icmp_packet->orig, icmp_packet->dst); goto out; } @@ -349,7 +349,7 @@ static int batadv_recv_icmp_ttl_exceeded(struct batadv_priv *bat_priv, goto out; /* get routing information */ - orig_node = batadv_orig_hash_find(bat_priv, icmp_packet->icmph.orig); + orig_node = batadv_orig_hash_find(bat_priv, icmp_packet->orig); if (!orig_node) goto out; @@ -359,11 +359,11 @@ static int batadv_recv_icmp_ttl_exceeded(struct batadv_priv *bat_priv, icmp_packet = (struct batadv_icmp_packet *)skb->data; - memcpy(icmp_packet->icmph.dst, icmp_packet->icmph.orig, ETH_ALEN); - memcpy(icmp_packet->icmph.orig, primary_if->net_dev->dev_addr, + memcpy(icmp_packet->dst, icmp_packet->orig, ETH_ALEN); + memcpy(icmp_packet->orig, primary_if->net_dev->dev_addr, ETH_ALEN); - icmp_packet->icmph.msg_type = BATADV_TTL_EXCEEDED; - icmp_packet->icmph.header.ttl = BATADV_TTL; + icmp_packet->msg_type = BATADV_TTL_EXCEEDED; + icmp_packet->ttl = BATADV_TTL; if (batadv_send_skb_to_orig(skb, orig_node, NULL) != NET_XMIT_DROP) ret = NET_RX_SUCCESS; @@ -434,7 +434,7 @@ int batadv_recv_icmp_packet(struct sk_buff *skb, return batadv_recv_my_icmp_packet(bat_priv, skb); /* TTL exceeded */ - if (icmph->header.ttl < 2) + if (icmph->ttl < 2) return batadv_recv_icmp_ttl_exceeded(bat_priv, skb); /* get routing information */ @@ -449,7 +449,7 @@ int batadv_recv_icmp_packet(struct sk_buff *skb, icmph = (struct batadv_icmp_header *)skb->data; /* decrement ttl */ - icmph->header.ttl--; + icmph->ttl--; /* route it */ if (batadv_send_skb_to_orig(skb, orig_node, recv_if) != NET_XMIT_DROP) @@ -709,7 +709,7 @@ static int batadv_route_unicast_packet(struct sk_buff *skb, unicast_packet = (struct batadv_unicast_packet *)skb->data; /* TTL exceeded */ - if (unicast_packet->header.ttl < 2) { + if (unicast_packet->ttl < 2) { pr_debug("Warning - can't forward unicast packet from %pM to %pM: ttl exceeded\n", ethhdr->h_source, unicast_packet->dest); goto out; @@ -727,9 +727,9 @@ static int batadv_route_unicast_packet(struct sk_buff *skb, /* decrement ttl */ unicast_packet = (struct batadv_unicast_packet *)skb->data; - unicast_packet->header.ttl--; + unicast_packet->ttl--; - switch (unicast_packet->header.packet_type) { + switch (unicast_packet->packet_type) { case BATADV_UNICAST_4ADDR: hdr_len = sizeof(struct batadv_unicast_4addr_packet); break; @@ -970,7 +970,7 @@ int batadv_recv_unicast_packet(struct sk_buff *skb, unicast_packet = (struct batadv_unicast_packet *)skb->data; unicast_4addr_packet = (struct batadv_unicast_4addr_packet *)skb->data; - is4addr = unicast_packet->header.packet_type == BATADV_UNICAST_4ADDR; + is4addr = unicast_packet->packet_type == BATADV_UNICAST_4ADDR; /* the caller function should have already pulled 2 bytes */ if (is4addr) hdr_size = sizeof(*unicast_4addr_packet); @@ -1160,7 +1160,7 @@ int batadv_recv_bcast_packet(struct sk_buff *skb, if (batadv_is_my_mac(bat_priv, bcast_packet->orig)) goto out; - if (bcast_packet->header.ttl < 2) + if (bcast_packet->ttl < 2) goto out; orig_node = batadv_orig_hash_find(bat_priv, bcast_packet->orig); diff --git a/net/batman-adv/send.c b/net/batman-adv/send.c index c83be5ebaa28..fba4dcfcfac2 100644 --- a/net/batman-adv/send.c +++ b/net/batman-adv/send.c @@ -161,11 +161,11 @@ batadv_send_skb_push_fill_unicast(struct sk_buff *skb, int hdr_size, return false; unicast_packet = (struct batadv_unicast_packet *)skb->data; - unicast_packet->header.version = BATADV_COMPAT_VERSION; + unicast_packet->version = BATADV_COMPAT_VERSION; /* batman packet type: unicast */ - unicast_packet->header.packet_type = BATADV_UNICAST; + unicast_packet->packet_type = BATADV_UNICAST; /* set unicast ttl */ - unicast_packet->header.ttl = BATADV_TTL; + unicast_packet->ttl = BATADV_TTL; /* copy the destination for faster routing */ memcpy(unicast_packet->dest, orig_node->orig, ETH_ALEN); /* set the destination tt version number */ @@ -221,7 +221,7 @@ bool batadv_send_skb_prepare_unicast_4addr(struct batadv_priv *bat_priv, goto out; uc_4addr_packet = (struct batadv_unicast_4addr_packet *)skb->data; - uc_4addr_packet->u.header.packet_type = BATADV_UNICAST_4ADDR; + uc_4addr_packet->u.packet_type = BATADV_UNICAST_4ADDR; memcpy(uc_4addr_packet->src, primary_if->net_dev->dev_addr, ETH_ALEN); uc_4addr_packet->subtype = packet_subtype; uc_4addr_packet->reserved = 0; @@ -436,7 +436,7 @@ int batadv_add_bcast_packet_to_list(struct batadv_priv *bat_priv, /* as we have a copy now, it is safe to decrease the TTL */ bcast_packet = (struct batadv_bcast_packet *)newskb->data; - bcast_packet->header.ttl--; + bcast_packet->ttl--; skb_reset_mac_header(newskb); diff --git a/net/batman-adv/soft-interface.c b/net/batman-adv/soft-interface.c index 36f050876f82..a8f99d1486c0 100644 --- a/net/batman-adv/soft-interface.c +++ b/net/batman-adv/soft-interface.c @@ -264,11 +264,11 @@ static int batadv_interface_tx(struct sk_buff *skb, goto dropped; bcast_packet = (struct batadv_bcast_packet *)skb->data; - bcast_packet->header.version = BATADV_COMPAT_VERSION; - bcast_packet->header.ttl = BATADV_TTL; + bcast_packet->version = BATADV_COMPAT_VERSION; + bcast_packet->ttl = BATADV_TTL; /* batman packet type: broadcast */ - bcast_packet->header.packet_type = BATADV_BCAST; + bcast_packet->packet_type = BATADV_BCAST; bcast_packet->reserved = 0; /* hw address of first interface is the orig mac because only @@ -328,7 +328,7 @@ void batadv_interface_rx(struct net_device *soft_iface, struct sk_buff *skb, struct batadv_hard_iface *recv_if, int hdr_size, struct batadv_orig_node *orig_node) { - struct batadv_header *batadv_header = (struct batadv_header *)skb->data; + struct batadv_bcast_packet *batadv_bcast_packet; struct batadv_priv *bat_priv = netdev_priv(soft_iface); __be16 ethertype = htons(ETH_P_BATMAN); struct vlan_ethhdr *vhdr; @@ -336,7 +336,8 @@ void batadv_interface_rx(struct net_device *soft_iface, unsigned short vid; bool is_bcast; - is_bcast = (batadv_header->packet_type == BATADV_BCAST); + batadv_bcast_packet = (struct batadv_bcast_packet *)skb->data; + is_bcast = (batadv_bcast_packet->packet_type == BATADV_BCAST); /* check if enough space is available for pulling, and pull */ if (!pskb_may_pull(skb, hdr_size)) @@ -345,7 +346,12 @@ void batadv_interface_rx(struct net_device *soft_iface, skb_pull_rcsum(skb, hdr_size); skb_reset_mac_header(skb); - vid = batadv_get_vid(skb, hdr_size); + /* clean the netfilter state now that the batman-adv header has been + * removed + */ + nf_reset(skb); + + vid = batadv_get_vid(skb, 0); ethhdr = eth_hdr(skb); switch (ntohs(ethhdr->h_proto)) { diff --git a/net/batman-adv/translation-table.c b/net/batman-adv/translation-table.c index 4add57d4857f..ff625fedbc5e 100644 --- a/net/batman-adv/translation-table.c +++ b/net/batman-adv/translation-table.c @@ -333,7 +333,8 @@ static void batadv_tt_local_event(struct batadv_priv *bat_priv, return; tt_change_node->change.flags = flags; - tt_change_node->change.reserved = 0; + memset(tt_change_node->change.reserved, 0, + sizeof(tt_change_node->change.reserved)); memcpy(tt_change_node->change.addr, common->addr, ETH_ALEN); tt_change_node->change.vid = htons(common->vid); @@ -2221,7 +2222,8 @@ static void batadv_tt_tvlv_generate(struct batadv_priv *bat_priv, ETH_ALEN); tt_change->flags = tt_common_entry->flags; tt_change->vid = htons(tt_common_entry->vid); - tt_change->reserved = 0; + memset(tt_change->reserved, 0, + sizeof(tt_change->reserved)); tt_num_entries++; tt_change++; diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c index 6a6c8bb4fd72..7552f9e3089c 100644 --- a/net/bluetooth/hci_sock.c +++ b/net/bluetooth/hci_sock.c @@ -940,8 +940,22 @@ static int hci_sock_sendmsg(struct kiocb *iocb, struct socket *sock, bt_cb(skb)->pkt_type = *((unsigned char *) skb->data); skb_pull(skb, 1); - if (hci_pi(sk)->channel == HCI_CHANNEL_RAW && - bt_cb(skb)->pkt_type == HCI_COMMAND_PKT) { + if (hci_pi(sk)->channel == HCI_CHANNEL_USER) { + /* No permission check is needed for user channel + * since that gets enforced when binding the socket. + * + * However check that the packet type is valid. + */ + if (bt_cb(skb)->pkt_type != HCI_COMMAND_PKT && + bt_cb(skb)->pkt_type != HCI_ACLDATA_PKT && + bt_cb(skb)->pkt_type != HCI_SCODATA_PKT) { + err = -EINVAL; + goto drop; + } + + skb_queue_tail(&hdev->raw_q, skb); + queue_work(hdev->workqueue, &hdev->tx_work); + } else if (bt_cb(skb)->pkt_type == HCI_COMMAND_PKT) { u16 opcode = get_unaligned_le16(skb->data); u16 ogf = hci_opcode_ogf(opcode); u16 ocf = hci_opcode_ocf(opcode); @@ -972,14 +986,6 @@ static int hci_sock_sendmsg(struct kiocb *iocb, struct socket *sock, goto drop; } - if (hci_pi(sk)->channel == HCI_CHANNEL_USER && - bt_cb(skb)->pkt_type != HCI_COMMAND_PKT && - bt_cb(skb)->pkt_type != HCI_ACLDATA_PKT && - bt_cb(skb)->pkt_type != HCI_SCODATA_PKT) { - err = -EINVAL; - goto drop; - } - skb_queue_tail(&hdev->raw_q, skb); queue_work(hdev->workqueue, &hdev->tx_work); } diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c index 4c214b2b88ef..ef66365b7354 100644 --- a/net/bridge/br_multicast.c +++ b/net/bridge/br_multicast.c @@ -1998,7 +1998,7 @@ int br_multicast_set_hash_max(struct net_bridge *br, unsigned long val) u32 old; struct net_bridge_mdb_htable *mdb; - spin_lock(&br->multicast_lock); + spin_lock_bh(&br->multicast_lock); if (!netif_running(br->dev)) goto unlock; @@ -2030,7 +2030,7 @@ rollback: } unlock: - spin_unlock(&br->multicast_lock); + spin_unlock_bh(&br->multicast_lock); return err; } diff --git a/net/core/dev.c b/net/core/dev.c index ba3b7ea5ebb3..0ce469e5ec80 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -2539,7 +2539,7 @@ static inline int skb_needs_linearize(struct sk_buff *skb, } int dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev, - struct netdev_queue *txq, void *accel_priv) + struct netdev_queue *txq) { const struct net_device_ops *ops = dev->netdev_ops; int rc = NETDEV_TX_OK; @@ -2605,13 +2605,10 @@ int dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev, dev_queue_xmit_nit(skb, dev); skb_len = skb->len; - if (accel_priv) - rc = ops->ndo_dfwd_start_xmit(skb, dev, accel_priv); - else rc = ops->ndo_start_xmit(skb, dev); trace_net_dev_xmit(skb, rc, dev, skb_len); - if (rc == NETDEV_TX_OK && txq) + if (rc == NETDEV_TX_OK) txq_trans_update(txq); return rc; } @@ -2627,10 +2624,7 @@ gso: dev_queue_xmit_nit(nskb, dev); skb_len = nskb->len; - if (accel_priv) - rc = ops->ndo_dfwd_start_xmit(nskb, dev, accel_priv); - else - rc = ops->ndo_start_xmit(nskb, dev); + rc = ops->ndo_start_xmit(nskb, dev); trace_net_dev_xmit(nskb, rc, dev, skb_len); if (unlikely(rc != NETDEV_TX_OK)) { if (rc & ~NETDEV_TX_MASK) @@ -2811,7 +2805,7 @@ EXPORT_SYMBOL(dev_loopback_xmit); * the BH enable code must have IRQs enabled so that it will not deadlock. * --BLG */ -int dev_queue_xmit(struct sk_buff *skb) +int __dev_queue_xmit(struct sk_buff *skb, void *accel_priv) { struct net_device *dev = skb->dev; struct netdev_queue *txq; @@ -2827,7 +2821,7 @@ int dev_queue_xmit(struct sk_buff *skb) skb_update_prio(skb); - txq = netdev_pick_tx(dev, skb); + txq = netdev_pick_tx(dev, skb, accel_priv); q = rcu_dereference_bh(txq->qdisc); #ifdef CONFIG_NET_CLS_ACT @@ -2863,7 +2857,7 @@ int dev_queue_xmit(struct sk_buff *skb) if (!netif_xmit_stopped(txq)) { __this_cpu_inc(xmit_recursion); - rc = dev_hard_start_xmit(skb, dev, txq, NULL); + rc = dev_hard_start_xmit(skb, dev, txq); __this_cpu_dec(xmit_recursion); if (dev_xmit_complete(rc)) { HARD_TX_UNLOCK(dev, txq); @@ -2892,8 +2886,19 @@ out: rcu_read_unlock_bh(); return rc; } + +int dev_queue_xmit(struct sk_buff *skb) +{ + return __dev_queue_xmit(skb, NULL); +} EXPORT_SYMBOL(dev_queue_xmit); +int dev_queue_xmit_accel(struct sk_buff *skb, void *accel_priv) +{ + return __dev_queue_xmit(skb, accel_priv); +} +EXPORT_SYMBOL(dev_queue_xmit_accel); + /*======================================================================= Receiver routines @@ -4500,7 +4505,7 @@ struct net_device *netdev_all_upper_get_next_dev_rcu(struct net_device *dev, { struct netdev_adjacent *upper; - WARN_ON_ONCE(!rcu_read_lock_held()); + WARN_ON_ONCE(!rcu_read_lock_held() && !lockdep_rtnl_is_held()); upper = list_entry_rcu((*iter)->next, struct netdev_adjacent, list); diff --git a/net/core/flow_dissector.c b/net/core/flow_dissector.c index d6ef17322500..2fc5beaf5783 100644 --- a/net/core/flow_dissector.c +++ b/net/core/flow_dissector.c @@ -395,17 +395,21 @@ u16 __netdev_pick_tx(struct net_device *dev, struct sk_buff *skb) EXPORT_SYMBOL(__netdev_pick_tx); struct netdev_queue *netdev_pick_tx(struct net_device *dev, - struct sk_buff *skb) + struct sk_buff *skb, + void *accel_priv) { int queue_index = 0; if (dev->real_num_tx_queues != 1) { const struct net_device_ops *ops = dev->netdev_ops; if (ops->ndo_select_queue) - queue_index = ops->ndo_select_queue(dev, skb); + queue_index = ops->ndo_select_queue(dev, skb, + accel_priv); else queue_index = __netdev_pick_tx(dev, skb); - queue_index = dev_cap_txqueue(dev, queue_index); + + if (!accel_priv) + queue_index = dev_cap_txqueue(dev, queue_index); } skb_set_queue_mapping(skb, queue_index); diff --git a/net/core/neighbour.c b/net/core/neighbour.c index 36b1443f9ae4..932c6d7cf666 100644 --- a/net/core/neighbour.c +++ b/net/core/neighbour.c @@ -1275,7 +1275,7 @@ int neigh_compat_output(struct neighbour *neigh, struct sk_buff *skb) if (dev_hard_header(skb, dev, ntohs(skb->protocol), NULL, NULL, skb->len) < 0 && - dev->header_ops->rebuild(skb)) + dev_rebuild_header(skb)) return 0; return dev_queue_xmit(skb); diff --git a/net/core/netpoll.c b/net/core/netpoll.c index 8f971990677c..19fe9c717ced 100644 --- a/net/core/netpoll.c +++ b/net/core/netpoll.c @@ -375,7 +375,7 @@ void netpoll_send_skb_on_dev(struct netpoll *np, struct sk_buff *skb, if (skb_queue_len(&npinfo->txq) == 0 && !netpoll_owner_active(dev)) { struct netdev_queue *txq; - txq = netdev_pick_tx(dev, skb); + txq = netdev_pick_tx(dev, skb, NULL); /* try until next clock tick */ for (tries = jiffies_to_usecs(1)/USEC_PER_POLL; @@ -386,8 +386,14 @@ void netpoll_send_skb_on_dev(struct netpoll *np, struct sk_buff *skb, !vlan_hw_offload_capable(netif_skb_features(skb), skb->vlan_proto)) { skb = __vlan_put_tag(skb, skb->vlan_proto, vlan_tx_tag_get(skb)); - if (unlikely(!skb)) - break; + if (unlikely(!skb)) { + /* This is actually a packet drop, but we + * don't want the code at the end of this + * function to try and re-queue a NULL skb. + */ + status = NETDEV_TX_OK; + goto unlock_txq; + } skb->vlan_tci = 0; } @@ -395,6 +401,7 @@ void netpoll_send_skb_on_dev(struct netpoll *np, struct sk_buff *skb, if (status == NETDEV_TX_OK) txq_trans_update(txq); } + unlock_txq: __netif_tx_unlock(txq); if (status == NETDEV_TX_OK) diff --git a/net/dccp/probe.c b/net/dccp/probe.c index 4c6bdf97a657..595ddf0459db 100644 --- a/net/dccp/probe.c +++ b/net/dccp/probe.c @@ -152,17 +152,6 @@ static const struct file_operations dccpprobe_fops = { .llseek = noop_llseek, }; -static __init int setup_jprobe(void) -{ - int ret = register_jprobe(&dccp_send_probe); - - if (ret) { - request_module("dccp"); - ret = register_jprobe(&dccp_send_probe); - } - return ret; -} - static __init int dccpprobe_init(void) { int ret = -ENOMEM; @@ -174,7 +163,13 @@ static __init int dccpprobe_init(void) if (!proc_create(procname, S_IRUSR, init_net.proc_net, &dccpprobe_fops)) goto err0; - ret = setup_jprobe(); + ret = register_jprobe(&dccp_send_probe); + if (ret) { + ret = request_module("dccp"); + if (!ret) + ret = register_jprobe(&dccp_send_probe); + } + if (ret) goto err1; diff --git a/net/ieee802154/6lowpan.c b/net/ieee802154/6lowpan.c index 459e200c08a4..a2d2456a557a 100644 --- a/net/ieee802154/6lowpan.c +++ b/net/ieee802154/6lowpan.c @@ -547,7 +547,7 @@ static int lowpan_header_create(struct sk_buff *skb, hc06_ptr += 3; } else { /* compress nothing */ - memcpy(hc06_ptr, &hdr, 4); + memcpy(hc06_ptr, hdr, 4); /* replace the top byte with new ECN | DSCP format */ *hc06_ptr = tmp; hc06_ptr += 4; diff --git a/net/ipv4/gre_offload.c b/net/ipv4/gre_offload.c index e5d436188464..2cd02f32f99f 100644 --- a/net/ipv4/gre_offload.c +++ b/net/ipv4/gre_offload.c @@ -28,6 +28,7 @@ static struct sk_buff *gre_gso_segment(struct sk_buff *skb, netdev_features_t enc_features; int ghl = GRE_HEADER_SECTION; struct gre_base_hdr *greh; + u16 mac_offset = skb->mac_header; int mac_len = skb->mac_len; __be16 protocol = skb->protocol; int tnl_hlen; @@ -58,13 +59,13 @@ static struct sk_buff *gre_gso_segment(struct sk_buff *skb, } else csum = false; + if (unlikely(!pskb_may_pull(skb, ghl))) + goto out; + /* setup inner skb. */ skb->protocol = greh->protocol; skb->encapsulation = 0; - if (unlikely(!pskb_may_pull(skb, ghl))) - goto out; - __skb_pull(skb, ghl); skb_reset_mac_header(skb); skb_set_network_header(skb, skb_inner_network_offset(skb)); @@ -73,8 +74,10 @@ static struct sk_buff *gre_gso_segment(struct sk_buff *skb, /* segment inner packet. */ enc_features = skb->dev->hw_enc_features & netif_skb_features(skb); segs = skb_mac_gso_segment(skb, enc_features); - if (!segs || IS_ERR(segs)) + if (!segs || IS_ERR(segs)) { + skb_gso_error_unwind(skb, protocol, ghl, mac_offset, mac_len); goto out; + } skb = segs; tnl_hlen = skb_tnl_header_len(skb); diff --git a/net/ipv4/inet_diag.c b/net/ipv4/inet_diag.c index 56a964a553d2..a0f52dac8940 100644 --- a/net/ipv4/inet_diag.c +++ b/net/ipv4/inet_diag.c @@ -106,6 +106,10 @@ int inet_sk_diag_fill(struct sock *sk, struct inet_connection_sock *icsk, r->id.idiag_sport = inet->inet_sport; r->id.idiag_dport = inet->inet_dport; + + memset(&r->id.idiag_src, 0, sizeof(r->id.idiag_src)); + memset(&r->id.idiag_dst, 0, sizeof(r->id.idiag_dst)); + r->id.idiag_src[0] = inet->inet_rcv_saddr; r->id.idiag_dst[0] = inet->inet_daddr; @@ -240,12 +244,19 @@ static int inet_twsk_diag_fill(struct inet_timewait_sock *tw, r->idiag_family = tw->tw_family; r->idiag_retrans = 0; + r->id.idiag_if = tw->tw_bound_dev_if; sock_diag_save_cookie(tw, r->id.idiag_cookie); + r->id.idiag_sport = tw->tw_sport; r->id.idiag_dport = tw->tw_dport; + + memset(&r->id.idiag_src, 0, sizeof(r->id.idiag_src)); + memset(&r->id.idiag_dst, 0, sizeof(r->id.idiag_dst)); + r->id.idiag_src[0] = tw->tw_rcv_saddr; r->id.idiag_dst[0] = tw->tw_daddr; + r->idiag_state = tw->tw_substate; r->idiag_timer = 3; r->idiag_expires = jiffies_to_msecs(tmo); @@ -726,8 +737,13 @@ static int inet_diag_fill_req(struct sk_buff *skb, struct sock *sk, r->id.idiag_sport = inet->inet_sport; r->id.idiag_dport = ireq->ir_rmt_port; + + memset(&r->id.idiag_src, 0, sizeof(r->id.idiag_src)); + memset(&r->id.idiag_dst, 0, sizeof(r->id.idiag_dst)); + r->id.idiag_src[0] = ireq->ir_loc_addr; r->id.idiag_dst[0] = ireq->ir_rmt_addr; + r->idiag_expires = jiffies_to_msecs(tmo); r->idiag_rqueue = 0; r->idiag_wqueue = 0; diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c index d7aea4c5b940..e560ef34cf4b 100644 --- a/net/ipv4/ip_gre.c +++ b/net/ipv4/ip_gre.c @@ -217,6 +217,7 @@ static int ipgre_rcv(struct sk_buff *skb, const struct tnl_ptk_info *tpi) iph->saddr, iph->daddr, tpi->key); if (tunnel) { + skb_pop_mac_header(skb); ip_tunnel_rcv(tunnel, skb, tpi, log_ecn_error); return PACKET_RCVD; } diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c index 912402752f2f..df184616493f 100644 --- a/net/ipv4/ip_output.c +++ b/net/ipv4/ip_output.c @@ -828,7 +828,7 @@ static int __ip_append_data(struct sock *sk, if (cork->length + length > maxnonfragsize - fragheaderlen) { ip_local_error(sk, EMSGSIZE, fl4->daddr, inet->inet_dport, - mtu-exthdrlen); + mtu - (opt ? opt->optlen : 0)); return -EMSGSIZE; } @@ -1151,7 +1151,8 @@ ssize_t ip_append_page(struct sock *sk, struct flowi4 *fl4, struct page *page, mtu : 0xFFFF; if (cork->length + size > maxnonfragsize - fragheaderlen) { - ip_local_error(sk, EMSGSIZE, fl4->daddr, inet->inet_dport, mtu); + ip_local_error(sk, EMSGSIZE, fl4->daddr, inet->inet_dport, + mtu - (opt ? opt->optlen : 0)); return -EMSGSIZE; } diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index f140048334ce..a7e4729e974b 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -2478,6 +2478,7 @@ struct sk_buff *skb_udp_tunnel_segment(struct sk_buff *skb, netdev_features_t features) { struct sk_buff *segs = ERR_PTR(-EINVAL); + u16 mac_offset = skb->mac_header; int mac_len = skb->mac_len; int tnl_hlen = skb_inner_mac_header(skb) - skb_transport_header(skb); __be16 protocol = skb->protocol; @@ -2497,8 +2498,11 @@ struct sk_buff *skb_udp_tunnel_segment(struct sk_buff *skb, /* segment inner packet. */ enc_features = skb->dev->hw_enc_features & netif_skb_features(skb); segs = skb_mac_gso_segment(skb, enc_features); - if (!segs || IS_ERR(segs)) + if (!segs || IS_ERR(segs)) { + skb_gso_error_unwind(skb, protocol, tnl_hlen, mac_offset, + mac_len); goto out; + } outer_hlen = skb_tnl_header_len(skb); skb = segs; diff --git a/net/ipv4/udp_offload.c b/net/ipv4/udp_offload.c index 83206de2bc76..79c62bdcd3c5 100644 --- a/net/ipv4/udp_offload.c +++ b/net/ipv4/udp_offload.c @@ -41,6 +41,14 @@ static struct sk_buff *udp4_ufo_fragment(struct sk_buff *skb, { struct sk_buff *segs = ERR_PTR(-EINVAL); unsigned int mss; + int offset; + __wsum csum; + + if (skb->encapsulation && + skb_shinfo(skb)->gso_type & SKB_GSO_UDP_TUNNEL) { + segs = skb_udp_tunnel_segment(skb, features); + goto out; + } mss = skb_shinfo(skb)->gso_size; if (unlikely(skb->len <= mss)) @@ -63,27 +71,20 @@ static struct sk_buff *udp4_ufo_fragment(struct sk_buff *skb, goto out; } + /* Do software UFO. Complete and fill in the UDP checksum as + * HW cannot do checksum of UDP packets sent as multiple + * IP fragments. + */ + offset = skb_checksum_start_offset(skb); + csum = skb_checksum(skb, offset, skb->len - offset, 0); + offset += skb->csum_offset; + *(__sum16 *)(skb->data + offset) = csum_fold(csum); + skb->ip_summed = CHECKSUM_NONE; + /* Fragment the skb. IP headers of the fragments are updated in * inet_gso_segment() */ - if (skb->encapsulation && skb_shinfo(skb)->gso_type & SKB_GSO_UDP_TUNNEL) - segs = skb_udp_tunnel_segment(skb, features); - else { - int offset; - __wsum csum; - - /* Do software UFO. Complete and fill in the UDP checksum as - * HW cannot do checksum of UDP packets sent as multiple - * IP fragments. - */ - offset = skb_checksum_start_offset(skb); - csum = skb_checksum(skb, offset, skb->len - offset, 0); - offset += skb->csum_offset; - *(__sum16 *)(skb->data + offset) = csum_fold(csum); - skb->ip_summed = CHECKSUM_NONE; - - segs = skb_segment(skb, features); - } + segs = skb_segment(skb, features); out: return segs; } diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index d5fa5b8c443e..abe46a4228ce 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -1671,7 +1671,7 @@ void addrconf_leave_solict(struct inet6_dev *idev, const struct in6_addr *addr) static void addrconf_join_anycast(struct inet6_ifaddr *ifp) { struct in6_addr addr; - if (ifp->prefix_len == 127) /* RFC 6164 */ + if (ifp->prefix_len >= 127) /* RFC 6164 */ return; ipv6_addr_prefix(&addr, &ifp->addr, ifp->prefix_len); if (ipv6_addr_any(&addr)) @@ -1682,7 +1682,7 @@ static void addrconf_join_anycast(struct inet6_ifaddr *ifp) static void addrconf_leave_anycast(struct inet6_ifaddr *ifp) { struct in6_addr addr; - if (ifp->prefix_len == 127) /* RFC 6164 */ + if (ifp->prefix_len >= 127) /* RFC 6164 */ return; ipv6_addr_prefix(&addr, &ifp->addr, ifp->prefix_len); if (ipv6_addr_any(&addr)) @@ -2509,7 +2509,8 @@ static void add_addr(struct inet6_dev *idev, const struct in6_addr *addr, struct inet6_ifaddr *ifp; ifp = ipv6_add_addr(idev, addr, NULL, plen, - scope, IFA_F_PERMANENT, 0, 0); + scope, IFA_F_PERMANENT, + INFINITY_LIFE_TIME, INFINITY_LIFE_TIME); if (!IS_ERR(ifp)) { spin_lock_bh(&ifp->lock); ifp->flags &= ~IFA_F_TENTATIVE; @@ -2637,7 +2638,8 @@ static void addrconf_add_linklocal(struct inet6_dev *idev, const struct in6_addr #endif - ifp = ipv6_add_addr(idev, addr, NULL, 64, IFA_LINK, addr_flags, 0, 0); + ifp = ipv6_add_addr(idev, addr, NULL, 64, IFA_LINK, addr_flags, + INFINITY_LIFE_TIME, INFINITY_LIFE_TIME); if (!IS_ERR(ifp)) { addrconf_prefix_route(&ifp->addr, ifp->prefix_len, idev->dev, 0, 0); addrconf_dad_start(ifp); @@ -3456,7 +3458,12 @@ restart: &inet6_addr_lst[i], addr_lst) { unsigned long age; - if (ifp->flags & IFA_F_PERMANENT) + /* When setting preferred_lft to a value not zero or + * infinity, while valid_lft is infinity + * IFA_F_PERMANENT has a non-infinity life time. + */ + if ((ifp->flags & IFA_F_PERMANENT) && + (ifp->prefered_lft == INFINITY_LIFE_TIME)) continue; spin_lock(&ifp->lock); @@ -3481,7 +3488,8 @@ restart: ifp->flags |= IFA_F_DEPRECATED; } - if (time_before(ifp->tstamp + ifp->valid_lft * HZ, next)) + if ((ifp->valid_lft != INFINITY_LIFE_TIME) && + (time_before(ifp->tstamp + ifp->valid_lft * HZ, next))) next = ifp->tstamp + ifp->valid_lft * HZ; spin_unlock(&ifp->lock); @@ -3761,7 +3769,8 @@ static int inet6_fill_ifaddr(struct sk_buff *skb, struct inet6_ifaddr *ifa, put_ifaddrmsg(nlh, ifa->prefix_len, ifa->flags, rt_scope(ifa->scope), ifa->idev->dev->ifindex); - if (!(ifa->flags&IFA_F_PERMANENT)) { + if (!((ifa->flags&IFA_F_PERMANENT) && + (ifa->prefered_lft == INFINITY_LIFE_TIME))) { preferred = ifa->prefered_lft; valid = ifa->valid_lft; if (preferred != INFINITY_LIFE_TIME) { diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c index 4acdb63495db..e6f931997996 100644 --- a/net/ipv6/ip6_output.c +++ b/net/ipv6/ip6_output.c @@ -1193,11 +1193,35 @@ int ip6_append_data(struct sock *sk, int getfrag(void *from, char *to, fragheaderlen = sizeof(struct ipv6hdr) + rt->rt6i_nfheader_len + (opt ? opt->opt_nflen : 0); - maxfraglen = ((mtu - fragheaderlen) & ~7) + fragheaderlen - sizeof(struct frag_hdr); + maxfraglen = ((mtu - fragheaderlen) & ~7) + fragheaderlen - + sizeof(struct frag_hdr); if (mtu <= sizeof(struct ipv6hdr) + IPV6_MAXPLEN) { - if (cork->length + length > sizeof(struct ipv6hdr) + IPV6_MAXPLEN - fragheaderlen) { - ipv6_local_error(sk, EMSGSIZE, fl6, mtu-exthdrlen); + unsigned int maxnonfragsize, headersize; + + headersize = sizeof(struct ipv6hdr) + + (opt ? opt->tot_len : 0) + + (dst_allfrag(&rt->dst) ? + sizeof(struct frag_hdr) : 0) + + rt->rt6i_nfheader_len; + + maxnonfragsize = (np->pmtudisc >= IPV6_PMTUDISC_DO) ? + mtu : sizeof(struct ipv6hdr) + IPV6_MAXPLEN; + + /* dontfrag active */ + if ((cork->length + length > mtu - headersize) && dontfrag && + (sk->sk_protocol == IPPROTO_UDP || + sk->sk_protocol == IPPROTO_RAW)) { + ipv6_local_rxpmtu(sk, fl6, mtu - headersize + + sizeof(struct ipv6hdr)); + goto emsgsize; + } + + if (cork->length + length > maxnonfragsize - headersize) { +emsgsize: + ipv6_local_error(sk, EMSGSIZE, fl6, + mtu - headersize + + sizeof(struct ipv6hdr)); return -EMSGSIZE; } } @@ -1222,12 +1246,6 @@ int ip6_append_data(struct sock *sk, int getfrag(void *from, char *to, * --yoshfuji */ - if ((length > mtu) && dontfrag && (sk->sk_protocol == IPPROTO_UDP || - sk->sk_protocol == IPPROTO_RAW)) { - ipv6_local_rxpmtu(sk, fl6, mtu-exthdrlen); - return -EMSGSIZE; - } - skb = skb_peek_tail(&sk->sk_write_queue); cork->length += length; if (((length > mtu) || diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c index d6062325db08..7881965a8248 100644 --- a/net/ipv6/ip6_tunnel.c +++ b/net/ipv6/ip6_tunnel.c @@ -103,16 +103,25 @@ struct ip6_tnl_net { static struct net_device_stats *ip6_get_stats(struct net_device *dev) { - struct pcpu_tstats sum = { 0 }; + struct pcpu_tstats tmp, sum = { 0 }; int i; for_each_possible_cpu(i) { + unsigned int start; const struct pcpu_tstats *tstats = per_cpu_ptr(dev->tstats, i); - sum.rx_packets += tstats->rx_packets; - sum.rx_bytes += tstats->rx_bytes; - sum.tx_packets += tstats->tx_packets; - sum.tx_bytes += tstats->tx_bytes; + do { + start = u64_stats_fetch_begin_bh(&tstats->syncp); + tmp.rx_packets = tstats->rx_packets; + tmp.rx_bytes = tstats->rx_bytes; + tmp.tx_packets = tstats->tx_packets; + tmp.tx_bytes = tstats->tx_bytes; + } while (u64_stats_fetch_retry_bh(&tstats->syncp, start)); + + sum.rx_packets += tmp.rx_packets; + sum.rx_bytes += tmp.rx_bytes; + sum.tx_packets += tmp.tx_packets; + sum.tx_bytes += tmp.tx_bytes; } dev->stats.rx_packets = sum.rx_packets; dev->stats.rx_bytes = sum.rx_bytes; @@ -824,8 +833,10 @@ static int ip6_tnl_rcv(struct sk_buff *skb, __u16 protocol, } tstats = this_cpu_ptr(t->dev->tstats); + u64_stats_update_begin(&tstats->syncp); tstats->rx_packets++; tstats->rx_bytes += skb->len; + u64_stats_update_end(&tstats->syncp); netif_rx(skb); diff --git a/net/ipv6/ip6_vti.c b/net/ipv6/ip6_vti.c index ed94ba61dda0..7b42d5ef868d 100644 --- a/net/ipv6/ip6_vti.c +++ b/net/ipv6/ip6_vti.c @@ -75,26 +75,6 @@ struct vti6_net { struct ip6_tnl __rcu **tnls[2]; }; -static struct net_device_stats *vti6_get_stats(struct net_device *dev) -{ - struct pcpu_tstats sum = { 0 }; - int i; - - for_each_possible_cpu(i) { - const struct pcpu_tstats *tstats = per_cpu_ptr(dev->tstats, i); - - sum.rx_packets += tstats->rx_packets; - sum.rx_bytes += tstats->rx_bytes; - sum.tx_packets += tstats->tx_packets; - sum.tx_bytes += tstats->tx_bytes; - } - dev->stats.rx_packets = sum.rx_packets; - dev->stats.rx_bytes = sum.rx_bytes; - dev->stats.tx_packets = sum.tx_packets; - dev->stats.tx_bytes = sum.tx_bytes; - return &dev->stats; -} - #define for_each_vti6_tunnel_rcu(start) \ for (t = rcu_dereference(start); t; t = rcu_dereference(t->next)) @@ -331,8 +311,10 @@ static int vti6_rcv(struct sk_buff *skb) } tstats = this_cpu_ptr(t->dev->tstats); + u64_stats_update_begin(&tstats->syncp); tstats->rx_packets++; tstats->rx_bytes += skb->len; + u64_stats_update_end(&tstats->syncp); skb->mark = 0; secpath_reset(skb); @@ -716,7 +698,7 @@ static const struct net_device_ops vti6_netdev_ops = { .ndo_start_xmit = vti6_tnl_xmit, .ndo_do_ioctl = vti6_ioctl, .ndo_change_mtu = vti6_change_mtu, - .ndo_get_stats = vti6_get_stats, + .ndo_get_stats64 = ip_tunnel_get_stats64, }; /** @@ -750,12 +732,18 @@ static void vti6_dev_setup(struct net_device *dev) static inline int vti6_dev_init_gen(struct net_device *dev) { struct ip6_tnl *t = netdev_priv(dev); + int i; t->dev = dev; t->net = dev_net(dev); dev->tstats = alloc_percpu(struct pcpu_tstats); if (!dev->tstats) return -ENOMEM; + for_each_possible_cpu(i) { + struct pcpu_tstats *stats; + stats = per_cpu_ptr(dev->tstats, i); + u64_stats_init(&stats->syncp); + } return 0; } diff --git a/net/ipv6/route.c b/net/ipv6/route.c index a0a48ac3403f..4b4944c3e4c4 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -1905,9 +1905,7 @@ static struct rt6_info *ip6_rt_copy(struct rt6_info *ort, else rt->rt6i_gateway = *dest; rt->rt6i_flags = ort->rt6i_flags; - if ((ort->rt6i_flags & (RTF_DEFAULT | RTF_ADDRCONF)) == - (RTF_DEFAULT | RTF_ADDRCONF)) - rt6_set_from(rt, ort); + rt6_set_from(rt, ort); rt->rt6i_metric = 0; #ifdef CONFIG_IPV6_SUBTREES diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c index 366fbba3359a..d3005b34476a 100644 --- a/net/ipv6/sit.c +++ b/net/ipv6/sit.c @@ -702,8 +702,10 @@ static int ipip6_rcv(struct sk_buff *skb) } tstats = this_cpu_ptr(tunnel->dev->tstats); + u64_stats_update_begin(&tstats->syncp); tstats->rx_packets++; tstats->rx_bytes += skb->len; + u64_stats_update_end(&tstats->syncp); netif_rx(skb); @@ -924,7 +926,7 @@ static netdev_tx_t ipip6_tunnel_xmit(struct sk_buff *skb, if (tunnel->parms.iph.daddr && skb_dst(skb)) skb_dst(skb)->ops->update_pmtu(skb_dst(skb), NULL, skb, mtu); - if (skb->len > mtu) { + if (skb->len > mtu && !skb_is_gso(skb)) { icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu); ip_rt_put(rt); goto tx_error; @@ -966,8 +968,10 @@ static netdev_tx_t ipip6_tunnel_xmit(struct sk_buff *skb, tos = INET_ECN_encapsulate(tos, ipv6_get_dsfield(iph6)); skb = iptunnel_handle_offloads(skb, false, SKB_GSO_SIT); - if (IS_ERR(skb)) + if (IS_ERR(skb)) { + ip_rt_put(rt); goto out; + } err = iptunnel_xmit(rt, skb, fl4.saddr, fl4.daddr, IPPROTO_IPV6, tos, ttl, df, !net_eq(tunnel->net, dev_net(dev))); diff --git a/net/llc/af_llc.c b/net/llc/af_llc.c index 7b01b9f5846c..c71b699eb555 100644 --- a/net/llc/af_llc.c +++ b/net/llc/af_llc.c @@ -715,7 +715,7 @@ static int llc_ui_recvmsg(struct kiocb *iocb, struct socket *sock, unsigned long cpu_flags; size_t copied = 0; u32 peek_seq = 0; - u32 *seq; + u32 *seq, skb_len; unsigned long used; int target; /* Read at least this many bytes */ long timeo; @@ -812,6 +812,7 @@ static int llc_ui_recvmsg(struct kiocb *iocb, struct socket *sock, } continue; found_ok_skb: + skb_len = skb->len; /* Ok so how much can we use? */ used = skb->len - offset; if (len < used) @@ -844,7 +845,7 @@ static int llc_ui_recvmsg(struct kiocb *iocb, struct socket *sock, } /* Partial read */ - if (used + offset < skb->len) + if (used + offset < skb_len) continue; } while (len > 0); diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c index 36c3a4cbcabf..a0757913046e 100644 --- a/net/mac80211/iface.c +++ b/net/mac80211/iface.c @@ -1061,7 +1061,8 @@ static void ieee80211_uninit(struct net_device *dev) } static u16 ieee80211_netdev_select_queue(struct net_device *dev, - struct sk_buff *skb) + struct sk_buff *skb, + void *accel_priv) { return ieee80211_select_queue(IEEE80211_DEV_TO_SUB_IF(dev), skb); } @@ -1078,7 +1079,8 @@ static const struct net_device_ops ieee80211_dataif_ops = { }; static u16 ieee80211_monitor_select_queue(struct net_device *dev, - struct sk_buff *skb) + struct sk_buff *skb, + void *accel_priv) { struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); struct ieee80211_local *local = sdata->local; diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index c558b246ef00..ca7fa7f0613d 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -463,7 +463,6 @@ ieee80211_tx_h_unicast_ps_buf(struct ieee80211_tx_data *tx) { struct sta_info *sta = tx->sta; struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx->skb); - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)tx->skb->data; struct ieee80211_local *local = tx->local; if (unlikely(!sta)) @@ -474,15 +473,6 @@ ieee80211_tx_h_unicast_ps_buf(struct ieee80211_tx_data *tx) !(info->flags & IEEE80211_TX_CTL_NO_PS_BUFFER))) { int ac = skb_get_queue_mapping(tx->skb); - /* only deauth, disassoc and action are bufferable MMPDUs */ - if (ieee80211_is_mgmt(hdr->frame_control) && - !ieee80211_is_deauth(hdr->frame_control) && - !ieee80211_is_disassoc(hdr->frame_control) && - !ieee80211_is_action(hdr->frame_control)) { - info->flags |= IEEE80211_TX_CTL_NO_PS_BUFFER; - return TX_CONTINUE; - } - ps_dbg(sta->sdata, "STA %pM aid %d: PS buffer for AC %d\n", sta->sta.addr, sta->sta.aid, ac); if (tx->local->total_ps_buffered >= TOTAL_MAX_TX_BUFFER) @@ -525,9 +515,22 @@ ieee80211_tx_h_unicast_ps_buf(struct ieee80211_tx_data *tx) static ieee80211_tx_result debug_noinline ieee80211_tx_h_ps_buf(struct ieee80211_tx_data *tx) { + struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx->skb); + struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)tx->skb->data; + if (unlikely(tx->flags & IEEE80211_TX_PS_BUFFERED)) return TX_CONTINUE; + /* only deauth, disassoc and action are bufferable MMPDUs */ + if (ieee80211_is_mgmt(hdr->frame_control) && + !ieee80211_is_deauth(hdr->frame_control) && + !ieee80211_is_disassoc(hdr->frame_control) && + !ieee80211_is_action(hdr->frame_control)) { + if (tx->flags & IEEE80211_TX_UNICAST) + info->flags |= IEEE80211_TX_CTL_NO_PS_BUFFER; + return TX_CONTINUE; + } + if (tx->flags & IEEE80211_TX_UNICAST) return ieee80211_tx_h_unicast_ps_buf(tx); else diff --git a/net/netfilter/ipvs/ip_vs_nfct.c b/net/netfilter/ipvs/ip_vs_nfct.c index c8beafd401aa..5a355a46d1dc 100644 --- a/net/netfilter/ipvs/ip_vs_nfct.c +++ b/net/netfilter/ipvs/ip_vs_nfct.c @@ -63,6 +63,7 @@ #include <net/ip_vs.h> #include <net/netfilter/nf_conntrack_core.h> #include <net/netfilter/nf_conntrack_expect.h> +#include <net/netfilter/nf_conntrack_seqadj.h> #include <net/netfilter/nf_conntrack_helper.h> #include <net/netfilter/nf_conntrack_zones.h> @@ -97,6 +98,11 @@ ip_vs_update_conntrack(struct sk_buff *skb, struct ip_vs_conn *cp, int outin) if (CTINFO2DIR(ctinfo) != IP_CT_DIR_ORIGINAL) return; + /* Applications may adjust TCP seqs */ + if (cp->app && nf_ct_protonum(ct) == IPPROTO_TCP && + !nfct_seqadj(ct) && !nfct_seqadj_ext_add(ct)) + return; + /* * The connection is not yet in the hashtable, so we update it. * CIP->VIP will remain the same, so leave the tuple in diff --git a/net/netfilter/nf_conntrack_seqadj.c b/net/netfilter/nf_conntrack_seqadj.c index 17c1bcb182c6..f6e2ae91a80b 100644 --- a/net/netfilter/nf_conntrack_seqadj.c +++ b/net/netfilter/nf_conntrack_seqadj.c @@ -36,6 +36,11 @@ int nf_ct_seqadj_set(struct nf_conn *ct, enum ip_conntrack_info ctinfo, if (off == 0) return 0; + if (unlikely(!seqadj)) { + WARN_ONCE(1, "Missing nfct_seqadj_ext_add() setup call\n"); + return 0; + } + set_bit(IPS_SEQ_ADJUST_BIT, &ct->status); spin_lock_bh(&ct->lock); diff --git a/net/netfilter/nf_conntrack_timestamp.c b/net/netfilter/nf_conntrack_timestamp.c index 902fb0a6b38a..7a394df0deb7 100644 --- a/net/netfilter/nf_conntrack_timestamp.c +++ b/net/netfilter/nf_conntrack_timestamp.c @@ -97,7 +97,6 @@ int nf_conntrack_tstamp_pernet_init(struct net *net) void nf_conntrack_tstamp_pernet_fini(struct net *net) { nf_conntrack_tstamp_fini_sysctl(net); - nf_ct_extend_unregister(&tstamp_extend); } int nf_conntrack_tstamp_init(void) diff --git a/net/netfilter/nf_nat_irc.c b/net/netfilter/nf_nat_irc.c index f02b3605823e..1fb2258c3535 100644 --- a/net/netfilter/nf_nat_irc.c +++ b/net/netfilter/nf_nat_irc.c @@ -34,10 +34,14 @@ static unsigned int help(struct sk_buff *skb, struct nf_conntrack_expect *exp) { char buffer[sizeof("4294967296 65635")]; + struct nf_conn *ct = exp->master; + union nf_inet_addr newaddr; u_int16_t port; unsigned int ret; /* Reply comes from server. */ + newaddr = ct->tuplehash[IP_CT_DIR_REPLY].tuple.dst.u3; + exp->saved_proto.tcp.port = exp->tuple.dst.u.tcp.port; exp->dir = IP_CT_DIR_REPLY; exp->expectfn = nf_nat_follow_master; @@ -57,17 +61,35 @@ static unsigned int help(struct sk_buff *skb, } if (port == 0) { - nf_ct_helper_log(skb, exp->master, "all ports in use"); + nf_ct_helper_log(skb, ct, "all ports in use"); return NF_DROP; } - ret = nf_nat_mangle_tcp_packet(skb, exp->master, ctinfo, - protoff, matchoff, matchlen, buffer, - strlen(buffer)); + /* strlen("\1DCC CHAT chat AAAAAAAA P\1\n")=27 + * strlen("\1DCC SCHAT chat AAAAAAAA P\1\n")=28 + * strlen("\1DCC SEND F AAAAAAAA P S\1\n")=26 + * strlen("\1DCC MOVE F AAAAAAAA P S\1\n")=26 + * strlen("\1DCC TSEND F AAAAAAAA P S\1\n")=27 + * + * AAAAAAAAA: bound addr (1.0.0.0==16777216, min 8 digits, + * 255.255.255.255==4294967296, 10 digits) + * P: bound port (min 1 d, max 5d (65635)) + * F: filename (min 1 d ) + * S: size (min 1 d ) + * 0x01, \n: terminators + */ + /* AAA = "us", ie. where server normally talks to. */ + snprintf(buffer, sizeof(buffer), "%u %u", ntohl(newaddr.ip), port); + pr_debug("nf_nat_irc: inserting '%s' == %pI4, port %u\n", + buffer, &newaddr.ip, port); + + ret = nf_nat_mangle_tcp_packet(skb, ct, ctinfo, protoff, matchoff, + matchlen, buffer, strlen(buffer)); if (ret != NF_ACCEPT) { - nf_ct_helper_log(skb, exp->master, "cannot mangle packet"); + nf_ct_helper_log(skb, ct, "cannot mangle packet"); nf_ct_unexpect_related(exp); } + return ret; } diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c index f93b7d06f4be..71a9f49a768b 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -312,6 +312,9 @@ static int nf_tables_table_enable(struct nft_table *table) int err, i = 0; list_for_each_entry(chain, &table->chains, list) { + if (!(chain->flags & NFT_BASE_CHAIN)) + continue; + err = nf_register_hook(&nft_base_chain(chain)->ops); if (err < 0) goto err; @@ -321,6 +324,9 @@ static int nf_tables_table_enable(struct nft_table *table) return 0; err: list_for_each_entry(chain, &table->chains, list) { + if (!(chain->flags & NFT_BASE_CHAIN)) + continue; + if (i-- <= 0) break; @@ -333,8 +339,10 @@ static int nf_tables_table_disable(struct nft_table *table) { struct nft_chain *chain; - list_for_each_entry(chain, &table->chains, list) - nf_unregister_hook(&nft_base_chain(chain)->ops); + list_for_each_entry(chain, &table->chains, list) { + if (chain->flags & NFT_BASE_CHAIN) + nf_unregister_hook(&nft_base_chain(chain)->ops); + } return 0; } @@ -2098,17 +2106,21 @@ static int nf_tables_dump_sets_all(struct nft_ctx *ctx, struct sk_buff *skb, struct netlink_callback *cb) { const struct nft_set *set; - unsigned int idx = 0, s_idx = cb->args[0]; + unsigned int idx, s_idx = cb->args[0]; struct nft_table *table, *cur_table = (struct nft_table *)cb->args[2]; if (cb->args[1]) return skb->len; list_for_each_entry(table, &ctx->afi->tables, list) { - if (cur_table && cur_table != table) - continue; + if (cur_table) { + if (cur_table != table) + continue; + cur_table = NULL; + } ctx->table = table; + idx = 0; list_for_each_entry(set, &ctx->table->sets, list) { if (idx < s_idx) goto cont; @@ -2370,7 +2382,9 @@ static int nf_tables_bind_check_setelem(const struct nft_ctx *ctx, enum nft_registers dreg; dreg = nft_type_to_reg(set->dtype); - return nft_validate_data_load(ctx, dreg, &elem->data, set->dtype); + return nft_validate_data_load(ctx, dreg, &elem->data, + set->dtype == NFT_DATA_VERDICT ? + NFT_DATA_VERDICT : NFT_DATA_VALUE); } int nf_tables_bind_set(const struct nft_ctx *ctx, struct nft_set *set, diff --git a/net/netfilter/nfnetlink_log.c b/net/netfilter/nfnetlink_log.c index 3c4b69e5fe17..a155d19a225e 100644 --- a/net/netfilter/nfnetlink_log.c +++ b/net/netfilter/nfnetlink_log.c @@ -1053,6 +1053,7 @@ static void __net_exit nfnl_log_net_exit(struct net *net) #ifdef CONFIG_PROC_FS remove_proc_entry("nfnetlink_log", net->nf.proc_netfilter); #endif + nf_log_unset(net, &nfulnl_logger); } static struct pernet_operations nfnl_log_net_ops = { diff --git a/net/netfilter/nft_exthdr.c b/net/netfilter/nft_exthdr.c index 8e0bb75e7c51..55c939f5371f 100644 --- a/net/netfilter/nft_exthdr.c +++ b/net/netfilter/nft_exthdr.c @@ -31,7 +31,7 @@ static void nft_exthdr_eval(const struct nft_expr *expr, { struct nft_exthdr *priv = nft_expr_priv(expr); struct nft_data *dest = &data[priv->dreg]; - unsigned int offset; + unsigned int offset = 0; int err; err = ipv6_find_hdr(pkt->skb, &offset, priv->type, NULL, NULL); diff --git a/net/nfc/core.c b/net/nfc/core.c index 872529105abc..83b9927e7d19 100644 --- a/net/nfc/core.c +++ b/net/nfc/core.c @@ -384,7 +384,7 @@ int nfc_dep_link_is_up(struct nfc_dev *dev, u32 target_idx, { dev->dep_link_up = true; - if (!dev->active_target) { + if (!dev->active_target && rf_mode == NFC_RF_INITIATOR) { struct nfc_target *target; target = nfc_find_target(dev, target_idx); diff --git a/net/rds/ib.c b/net/rds/ib.c index b4c8b0022fee..ba2dffeff608 100644 --- a/net/rds/ib.c +++ b/net/rds/ib.c @@ -338,7 +338,8 @@ static int rds_ib_laddr_check(__be32 addr) ret = rdma_bind_addr(cm_id, (struct sockaddr *)&sin); /* due to this, we will claim to support iWARP devices unless we check node_type. */ - if (ret || cm_id->device->node_type != RDMA_NODE_IB_CA) + if (ret || !cm_id->device || + cm_id->device->node_type != RDMA_NODE_IB_CA) ret = -EADDRNOTAVAIL; rdsdebug("addr %pI4 ret %d node type %d\n", diff --git a/net/rose/af_rose.c b/net/rose/af_rose.c index 33af77246bfe..62ced6516c58 100644 --- a/net/rose/af_rose.c +++ b/net/rose/af_rose.c @@ -1253,6 +1253,7 @@ static int rose_recvmsg(struct kiocb *iocb, struct socket *sock, if (msg->msg_name) { struct sockaddr_rose *srose; + struct full_sockaddr_rose *full_srose = msg->msg_name; memset(msg->msg_name, 0, sizeof(struct full_sockaddr_rose)); srose = msg->msg_name; @@ -1260,18 +1261,9 @@ static int rose_recvmsg(struct kiocb *iocb, struct socket *sock, srose->srose_addr = rose->dest_addr; srose->srose_call = rose->dest_call; srose->srose_ndigis = rose->dest_ndigis; - if (msg->msg_namelen >= sizeof(struct full_sockaddr_rose)) { - struct full_sockaddr_rose *full_srose = (struct full_sockaddr_rose *)msg->msg_name; - for (n = 0 ; n < rose->dest_ndigis ; n++) - full_srose->srose_digis[n] = rose->dest_digis[n]; - msg->msg_namelen = sizeof(struct full_sockaddr_rose); - } else { - if (rose->dest_ndigis >= 1) { - srose->srose_ndigis = 1; - srose->srose_digi = rose->dest_digis[0]; - } - msg->msg_namelen = sizeof(struct sockaddr_rose); - } + for (n = 0 ; n < rose->dest_ndigis ; n++) + full_srose->srose_digis[n] = rose->dest_digis[n]; + msg->msg_namelen = sizeof(struct full_sockaddr_rose); } skb_free_datagram(sk, skb); diff --git a/net/sched/act_csum.c b/net/sched/act_csum.c index 5c5edf56adbd..11fe1a416433 100644 --- a/net/sched/act_csum.c +++ b/net/sched/act_csum.c @@ -77,16 +77,16 @@ static int tcf_csum_init(struct net *n, struct nlattr *nla, struct nlattr *est, &csum_idx_gen, &csum_hash_info); if (IS_ERR(pc)) return PTR_ERR(pc); - p = to_tcf_csum(pc); ret = ACT_P_CREATED; } else { - p = to_tcf_csum(pc); - if (!ovr) { - tcf_hash_release(pc, bind, &csum_hash_info); + if (bind)/* dont override defaults */ + return 0; + tcf_hash_release(pc, bind, &csum_hash_info); + if (!ovr) return -EEXIST; - } } + p = to_tcf_csum(pc); spin_lock_bh(&p->tcf_lock); p->tcf_action = parm->action; p->update_flags = parm->update_flags; diff --git a/net/sched/act_gact.c b/net/sched/act_gact.c index 5645a4d32abd..eb9ba60ebab4 100644 --- a/net/sched/act_gact.c +++ b/net/sched/act_gact.c @@ -102,10 +102,11 @@ static int tcf_gact_init(struct net *net, struct nlattr *nla, return PTR_ERR(pc); ret = ACT_P_CREATED; } else { - if (!ovr) { - tcf_hash_release(pc, bind, &gact_hash_info); + if (bind)/* dont override defaults */ + return 0; + tcf_hash_release(pc, bind, &gact_hash_info); + if (!ovr) return -EEXIST; - } } gact = to_gact(pc); diff --git a/net/sched/act_ipt.c b/net/sched/act_ipt.c index 882a89762f77..dcbfe8ce04a6 100644 --- a/net/sched/act_ipt.c +++ b/net/sched/act_ipt.c @@ -141,10 +141,12 @@ static int tcf_ipt_init(struct net *net, struct nlattr *nla, struct nlattr *est, return PTR_ERR(pc); ret = ACT_P_CREATED; } else { - if (!ovr) { - tcf_ipt_release(to_ipt(pc), bind); + if (bind)/* dont override defaults */ + return 0; + tcf_ipt_release(to_ipt(pc), bind); + + if (!ovr) return -EEXIST; - } } ipt = to_ipt(pc); diff --git a/net/sched/act_nat.c b/net/sched/act_nat.c index 6a15ace00241..76869538d028 100644 --- a/net/sched/act_nat.c +++ b/net/sched/act_nat.c @@ -70,15 +70,15 @@ static int tcf_nat_init(struct net *net, struct nlattr *nla, struct nlattr *est, &nat_idx_gen, &nat_hash_info); if (IS_ERR(pc)) return PTR_ERR(pc); - p = to_tcf_nat(pc); ret = ACT_P_CREATED; } else { - p = to_tcf_nat(pc); - if (!ovr) { - tcf_hash_release(pc, bind, &nat_hash_info); + if (bind) + return 0; + tcf_hash_release(pc, bind, &nat_hash_info); + if (!ovr) return -EEXIST; - } } + p = to_tcf_nat(pc); spin_lock_bh(&p->tcf_lock); p->old_addr = parm->old_addr; diff --git a/net/sched/act_pedit.c b/net/sched/act_pedit.c index 03b67674169c..7aa2dcd989f8 100644 --- a/net/sched/act_pedit.c +++ b/net/sched/act_pedit.c @@ -84,10 +84,12 @@ static int tcf_pedit_init(struct net *net, struct nlattr *nla, ret = ACT_P_CREATED; } else { p = to_pedit(pc); - if (!ovr) { - tcf_hash_release(pc, bind, &pedit_hash_info); + tcf_hash_release(pc, bind, &pedit_hash_info); + if (bind) + return 0; + if (!ovr) return -EEXIST; - } + if (p->tcfp_nkeys && p->tcfp_nkeys != parm->nkeys) { keys = kmalloc(ksize, GFP_KERNEL); if (keys == NULL) diff --git a/net/sched/act_police.c b/net/sched/act_police.c index 16a62c36928a..ef246d87e68b 100644 --- a/net/sched/act_police.c +++ b/net/sched/act_police.c @@ -177,10 +177,12 @@ static int tcf_act_police_locate(struct net *net, struct nlattr *nla, if (bind) { police->tcf_bindcnt += 1; police->tcf_refcnt += 1; + return 0; } if (ovr) goto override; - return ret; + /* not replacing */ + return -EEXIST; } } diff --git a/net/sched/act_simple.c b/net/sched/act_simple.c index 31157d3e729c..f7b45ab85388 100644 --- a/net/sched/act_simple.c +++ b/net/sched/act_simple.c @@ -142,10 +142,13 @@ static int tcf_simp_init(struct net *net, struct nlattr *nla, ret = ACT_P_CREATED; } else { d = to_defact(pc); - if (!ovr) { - tcf_simp_release(d, bind); + + if (bind) + return 0; + tcf_simp_release(d, bind); + if (!ovr) return -EEXIST; - } + reset_policy(d, defdata, parm); } diff --git a/net/sched/act_skbedit.c b/net/sched/act_skbedit.c index 35ea643b4325..8fe9d25c3008 100644 --- a/net/sched/act_skbedit.c +++ b/net/sched/act_skbedit.c @@ -120,10 +120,11 @@ static int tcf_skbedit_init(struct net *net, struct nlattr *nla, ret = ACT_P_CREATED; } else { d = to_skbedit(pc); - if (!ovr) { - tcf_hash_release(pc, bind, &skbedit_hash_info); + if (bind) + return 0; + tcf_hash_release(pc, bind, &skbedit_hash_info); + if (!ovr) return -EEXIST; - } } spin_lock_bh(&d->tcf_lock); diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c index 922a09406ba7..7fc899a943a8 100644 --- a/net/sched/sch_generic.c +++ b/net/sched/sch_generic.c @@ -126,7 +126,7 @@ int sch_direct_xmit(struct sk_buff *skb, struct Qdisc *q, HARD_TX_LOCK(dev, txq, smp_processor_id()); if (!netif_xmit_frozen_or_stopped(txq)) - ret = dev_hard_start_xmit(skb, dev, txq, NULL); + ret = dev_hard_start_xmit(skb, dev, txq); HARD_TX_UNLOCK(dev, txq); diff --git a/net/sctp/outqueue.c b/net/sctp/outqueue.c index f51ba985a36e..59268f6e2c36 100644 --- a/net/sctp/outqueue.c +++ b/net/sctp/outqueue.c @@ -208,8 +208,6 @@ void sctp_outq_init(struct sctp_association *asoc, struct sctp_outq *q) INIT_LIST_HEAD(&q->retransmit); INIT_LIST_HEAD(&q->sacked); INIT_LIST_HEAD(&q->abandoned); - - q->empty = 1; } /* Free the outqueue structure and any related pending chunks. @@ -332,7 +330,6 @@ int sctp_outq_tail(struct sctp_outq *q, struct sctp_chunk *chunk) SCTP_INC_STATS(net, SCTP_MIB_OUTUNORDERCHUNKS); else SCTP_INC_STATS(net, SCTP_MIB_OUTORDERCHUNKS); - q->empty = 0; break; } } else { @@ -654,7 +651,6 @@ redo: if (chunk->fast_retransmit == SCTP_NEED_FRTX) chunk->fast_retransmit = SCTP_DONT_FRTX; - q->empty = 0; q->asoc->stats.rtxchunks++; break; } @@ -1065,8 +1061,6 @@ static int sctp_outq_flush(struct sctp_outq *q, int rtx_timeout) sctp_transport_reset_timers(transport); - q->empty = 0; - /* Only let one DATA chunk get bundled with a * COOKIE-ECHO chunk. */ @@ -1275,29 +1269,17 @@ int sctp_outq_sack(struct sctp_outq *q, struct sctp_chunk *chunk) "advertised peer ack point:0x%x\n", __func__, asoc, ctsn, asoc->adv_peer_ack_point); - /* See if all chunks are acked. - * Make sure the empty queue handler will get run later. - */ - q->empty = (list_empty(&q->out_chunk_list) && - list_empty(&q->retransmit)); - if (!q->empty) - goto finish; - - list_for_each_entry(transport, transport_list, transports) { - q->empty = q->empty && list_empty(&transport->transmitted); - if (!q->empty) - goto finish; - } - - pr_debug("%s: sack queue is empty\n", __func__); -finish: - return q->empty; + return sctp_outq_is_empty(q); } -/* Is the outqueue empty? */ +/* Is the outqueue empty? + * The queue is empty when we have not pending data, no in-flight data + * and nothing pending retransmissions. + */ int sctp_outq_is_empty(const struct sctp_outq *q) { - return q->empty; + return q->out_qlen == 0 && q->outstanding_bytes == 0 && + list_empty(&q->retransmit); } /******************************************************************** diff --git a/net/tipc/link.c b/net/tipc/link.c index 69cd9bf3f561..13b987745820 100644 --- a/net/tipc/link.c +++ b/net/tipc/link.c @@ -1498,6 +1498,7 @@ void tipc_recv_msg(struct sk_buff *head, struct tipc_bearer *b_ptr) int type; head = head->next; + buf->next = NULL; /* Ensure bearer is still enabled */ if (unlikely(!b_ptr->active)) diff --git a/net/tipc/port.c b/net/tipc/port.c index c081a7632302..d43f3182b1d4 100644 --- a/net/tipc/port.c +++ b/net/tipc/port.c @@ -251,18 +251,15 @@ struct tipc_port *tipc_createport(struct sock *sk, return p_ptr; } -int tipc_deleteport(u32 ref) +int tipc_deleteport(struct tipc_port *p_ptr) { - struct tipc_port *p_ptr; struct sk_buff *buf = NULL; - tipc_withdraw(ref, 0, NULL); - p_ptr = tipc_port_lock(ref); - if (!p_ptr) - return -EINVAL; + tipc_withdraw(p_ptr, 0, NULL); - tipc_ref_discard(ref); - tipc_port_unlock(p_ptr); + spin_lock_bh(p_ptr->lock); + tipc_ref_discard(p_ptr->ref); + spin_unlock_bh(p_ptr->lock); k_cancel_timer(&p_ptr->timer); if (p_ptr->connected) { @@ -704,47 +701,36 @@ int tipc_set_portimportance(u32 ref, unsigned int imp) } -int tipc_publish(u32 ref, unsigned int scope, struct tipc_name_seq const *seq) +int tipc_publish(struct tipc_port *p_ptr, unsigned int scope, + struct tipc_name_seq const *seq) { - struct tipc_port *p_ptr; struct publication *publ; u32 key; - int res = -EINVAL; - p_ptr = tipc_port_lock(ref); - if (!p_ptr) + if (p_ptr->connected) return -EINVAL; + key = p_ptr->ref + p_ptr->pub_count + 1; + if (key == p_ptr->ref) + return -EADDRINUSE; - if (p_ptr->connected) - goto exit; - key = ref + p_ptr->pub_count + 1; - if (key == ref) { - res = -EADDRINUSE; - goto exit; - } publ = tipc_nametbl_publish(seq->type, seq->lower, seq->upper, scope, p_ptr->ref, key); if (publ) { list_add(&publ->pport_list, &p_ptr->publications); p_ptr->pub_count++; p_ptr->published = 1; - res = 0; + return 0; } -exit: - tipc_port_unlock(p_ptr); - return res; + return -EINVAL; } -int tipc_withdraw(u32 ref, unsigned int scope, struct tipc_name_seq const *seq) +int tipc_withdraw(struct tipc_port *p_ptr, unsigned int scope, + struct tipc_name_seq const *seq) { - struct tipc_port *p_ptr; struct publication *publ; struct publication *tpubl; int res = -EINVAL; - p_ptr = tipc_port_lock(ref); - if (!p_ptr) - return -EINVAL; if (!seq) { list_for_each_entry_safe(publ, tpubl, &p_ptr->publications, pport_list) { @@ -771,7 +757,6 @@ int tipc_withdraw(u32 ref, unsigned int scope, struct tipc_name_seq const *seq) } if (list_empty(&p_ptr->publications)) p_ptr->published = 0; - tipc_port_unlock(p_ptr); return res; } diff --git a/net/tipc/port.h b/net/tipc/port.h index 912253597343..34f12bd4074e 100644 --- a/net/tipc/port.h +++ b/net/tipc/port.h @@ -116,7 +116,7 @@ int tipc_reject_msg(struct sk_buff *buf, u32 err); void tipc_acknowledge(u32 port_ref, u32 ack); -int tipc_deleteport(u32 portref); +int tipc_deleteport(struct tipc_port *p_ptr); int tipc_portimportance(u32 portref, unsigned int *importance); int tipc_set_portimportance(u32 portref, unsigned int importance); @@ -127,9 +127,9 @@ int tipc_set_portunreliable(u32 portref, unsigned int isunreliable); int tipc_portunreturnable(u32 portref, unsigned int *isunreturnable); int tipc_set_portunreturnable(u32 portref, unsigned int isunreturnable); -int tipc_publish(u32 portref, unsigned int scope, +int tipc_publish(struct tipc_port *p_ptr, unsigned int scope, struct tipc_name_seq const *name_seq); -int tipc_withdraw(u32 portref, unsigned int scope, +int tipc_withdraw(struct tipc_port *p_ptr, unsigned int scope, struct tipc_name_seq const *name_seq); int tipc_connect(u32 portref, struct tipc_portid const *port); diff --git a/net/tipc/socket.c b/net/tipc/socket.c index 3b61851bb927..e741416d1d24 100644 --- a/net/tipc/socket.c +++ b/net/tipc/socket.c @@ -354,7 +354,7 @@ static int release(struct socket *sock) * Delete TIPC port; this ensures no more messages are queued * (also disconnects an active connection & sends a 'FIN-' to peer) */ - res = tipc_deleteport(tport->ref); + res = tipc_deleteport(tport); /* Discard any remaining (connection-based) messages in receive queue */ __skb_queue_purge(&sk->sk_receive_queue); @@ -386,30 +386,46 @@ static int release(struct socket *sock) */ static int bind(struct socket *sock, struct sockaddr *uaddr, int uaddr_len) { + struct sock *sk = sock->sk; struct sockaddr_tipc *addr = (struct sockaddr_tipc *)uaddr; - u32 portref = tipc_sk_port(sock->sk)->ref; + struct tipc_port *tport = tipc_sk_port(sock->sk); + int res = -EINVAL; - if (unlikely(!uaddr_len)) - return tipc_withdraw(portref, 0, NULL); + lock_sock(sk); + if (unlikely(!uaddr_len)) { + res = tipc_withdraw(tport, 0, NULL); + goto exit; + } - if (uaddr_len < sizeof(struct sockaddr_tipc)) - return -EINVAL; - if (addr->family != AF_TIPC) - return -EAFNOSUPPORT; + if (uaddr_len < sizeof(struct sockaddr_tipc)) { + res = -EINVAL; + goto exit; + } + if (addr->family != AF_TIPC) { + res = -EAFNOSUPPORT; + goto exit; + } if (addr->addrtype == TIPC_ADDR_NAME) addr->addr.nameseq.upper = addr->addr.nameseq.lower; - else if (addr->addrtype != TIPC_ADDR_NAMESEQ) - return -EAFNOSUPPORT; + else if (addr->addrtype != TIPC_ADDR_NAMESEQ) { + res = -EAFNOSUPPORT; + goto exit; + } if ((addr->addr.nameseq.type < TIPC_RESERVED_TYPES) && (addr->addr.nameseq.type != TIPC_TOP_SRV) && - (addr->addr.nameseq.type != TIPC_CFG_SRV)) - return -EACCES; + (addr->addr.nameseq.type != TIPC_CFG_SRV)) { + res = -EACCES; + goto exit; + } - return (addr->scope > 0) ? - tipc_publish(portref, addr->scope, &addr->addr.nameseq) : - tipc_withdraw(portref, -addr->scope, &addr->addr.nameseq); + res = (addr->scope > 0) ? + tipc_publish(tport, addr->scope, &addr->addr.nameseq) : + tipc_withdraw(tport, -addr->scope, &addr->addr.nameseq); +exit: + release_sock(sk); + return res; } /** diff --git a/net/wireless/radiotap.c b/net/wireless/radiotap.c index a271c27fac77..722da616438c 100644 --- a/net/wireless/radiotap.c +++ b/net/wireless/radiotap.c @@ -124,6 +124,10 @@ int ieee80211_radiotap_iterator_init( /* find payload start allowing for extended bitmap(s) */ if (iterator->_bitmap_shifter & (1<<IEEE80211_RADIOTAP_EXT)) { + if ((unsigned long)iterator->_arg - + (unsigned long)iterator->_rtheader + sizeof(uint32_t) > + (unsigned long)iterator->_max_length) + return -EINVAL; while (get_unaligned_le32(iterator->_arg) & (1 << IEEE80211_RADIOTAP_EXT)) { iterator->_arg += sizeof(uint32_t); diff --git a/net/wireless/sme.c b/net/wireless/sme.c index 65f800890d70..d3c5bd7c6b51 100644 --- a/net/wireless/sme.c +++ b/net/wireless/sme.c @@ -632,6 +632,16 @@ void __cfg80211_connect_result(struct net_device *dev, const u8 *bssid, } #endif + if (!bss && (status == WLAN_STATUS_SUCCESS)) { + WARN_ON_ONCE(!wiphy_to_dev(wdev->wiphy)->ops->connect); + bss = cfg80211_get_bss(wdev->wiphy, NULL, bssid, + wdev->ssid, wdev->ssid_len, + WLAN_CAPABILITY_ESS, + WLAN_CAPABILITY_ESS); + if (bss) + cfg80211_hold_bss(bss_from_pub(bss)); + } + if (wdev->current_bss) { cfg80211_unhold_bss(wdev->current_bss); cfg80211_put_bss(wdev->wiphy, &wdev->current_bss->pub); @@ -649,16 +659,8 @@ void __cfg80211_connect_result(struct net_device *dev, const u8 *bssid, return; } - if (!bss) { - WARN_ON_ONCE(!wiphy_to_dev(wdev->wiphy)->ops->connect); - bss = cfg80211_get_bss(wdev->wiphy, NULL, bssid, - wdev->ssid, wdev->ssid_len, - WLAN_CAPABILITY_ESS, - WLAN_CAPABILITY_ESS); - if (WARN_ON(!bss)) - return; - cfg80211_hold_bss(bss_from_pub(bss)); - } + if (WARN_ON(!bss)) + return; wdev->current_bss = bss_from_pub(bss); diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c index 6625699f497c..57b0b49f4e6e 100644 --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -234,6 +234,14 @@ static int inode_alloc_security(struct inode *inode) return 0; } +static void inode_free_rcu(struct rcu_head *head) +{ + struct inode_security_struct *isec; + + isec = container_of(head, struct inode_security_struct, rcu); + kmem_cache_free(sel_inode_cache, isec); +} + static void inode_free_security(struct inode *inode) { struct inode_security_struct *isec = inode->i_security; @@ -244,8 +252,16 @@ static void inode_free_security(struct inode *inode) list_del_init(&isec->list); spin_unlock(&sbsec->isec_lock); - inode->i_security = NULL; - kmem_cache_free(sel_inode_cache, isec); + /* + * The inode may still be referenced in a path walk and + * a call to selinux_inode_permission() can be made + * after inode_free_security() is called. Ideally, the VFS + * wouldn't do this, but fixing that is a much harder + * job. For now, simply free the i_security via RCU, and + * leave the current inode->i_security pointer intact. + * The inode will be freed after the RCU grace period too. + */ + call_rcu(&isec->rcu, inode_free_rcu); } static int file_alloc_security(struct file *file) diff --git a/security/selinux/include/objsec.h b/security/selinux/include/objsec.h index b1dfe1049450..078e553f52f2 100644 --- a/security/selinux/include/objsec.h +++ b/security/selinux/include/objsec.h @@ -38,7 +38,10 @@ struct task_security_struct { struct inode_security_struct { struct inode *inode; /* back pointer to inode object */ - struct list_head list; /* list of inode_security_struct */ + union { + struct list_head list; /* list of inode_security_struct */ + struct rcu_head rcu; /* for freeing the inode_security_struct */ + }; u32 task_sid; /* SID of creating task */ u32 sid; /* SID of this object */ u16 sclass; /* security class of this object */ |