diff options
Diffstat (limited to 'drivers')
23 files changed, 230 insertions, 50 deletions
diff --git a/drivers/connector/cn_proc.c b/drivers/connector/cn_proc.c index ed5e42461094..ad48fd52cb53 100644 --- a/drivers/connector/cn_proc.c +++ b/drivers/connector/cn_proc.c @@ -250,6 +250,7 @@ void proc_coredump_connector(struct task_struct *task) { struct cn_msg *msg; struct proc_event *ev; + struct task_struct *parent; __u8 buffer[CN_PROC_MSG_SIZE] __aligned(8); if (atomic_read(&proc_event_num_listeners) < 1) @@ -262,8 +263,14 @@ void proc_coredump_connector(struct task_struct *task) ev->what = PROC_EVENT_COREDUMP; ev->event_data.coredump.process_pid = task->pid; ev->event_data.coredump.process_tgid = task->tgid; - ev->event_data.coredump.parent_pid = task->real_parent->pid; - ev->event_data.coredump.parent_tgid = task->real_parent->tgid; + + rcu_read_lock(); + if (pid_alive(task)) { + parent = rcu_dereference(task->real_parent); + ev->event_data.coredump.parent_pid = parent->pid; + ev->event_data.coredump.parent_tgid = parent->tgid; + } + rcu_read_unlock(); memcpy(&msg->id, &cn_proc_event_id, sizeof(msg->id)); msg->ack = 0; /* not used */ @@ -276,6 +283,7 @@ void proc_exit_connector(struct task_struct *task) { struct cn_msg *msg; struct proc_event *ev; + struct task_struct *parent; __u8 buffer[CN_PROC_MSG_SIZE] __aligned(8); if (atomic_read(&proc_event_num_listeners) < 1) @@ -290,8 +298,14 @@ void proc_exit_connector(struct task_struct *task) ev->event_data.exit.process_tgid = task->tgid; ev->event_data.exit.exit_code = task->exit_code; ev->event_data.exit.exit_signal = task->exit_signal; - ev->event_data.exit.parent_pid = task->real_parent->pid; - ev->event_data.exit.parent_tgid = task->real_parent->tgid; + + rcu_read_lock(); + if (pid_alive(task)) { + parent = rcu_dereference(task->real_parent); + ev->event_data.exit.parent_pid = parent->pid; + ev->event_data.exit.parent_tgid = parent->tgid; + } + rcu_read_unlock(); memcpy(&msg->id, &cn_proc_event_id, sizeof(msg->id)); msg->ack = 0; /* not used */ diff --git a/drivers/isdn/hardware/mISDN/mISDNinfineon.c b/drivers/isdn/hardware/mISDN/mISDNinfineon.c index 3e01012be4ab..0fe6ddcb3fdc 100644 --- a/drivers/isdn/hardware/mISDN/mISDNinfineon.c +++ b/drivers/isdn/hardware/mISDN/mISDNinfineon.c @@ -712,8 +712,11 @@ setup_io(struct inf_hw *hw) (ulong)hw->addr.start, (ulong)hw->addr.size); return err; } - if (hw->ci->addr_mode == AM_MEMIO) + if (hw->ci->addr_mode == AM_MEMIO) { hw->addr.p = ioremap(hw->addr.start, hw->addr.size); + if (unlikely(!hw->addr.p)) + return -ENOMEM; + } hw->addr.mode = hw->ci->addr_mode; if (debug & DEBUG_HW) pr_notice("%s: IO addr %lx (%lu bytes) mode%d\n", diff --git a/drivers/isdn/isdnloop/isdnloop.c b/drivers/isdn/isdnloop/isdnloop.c index f4253d468ae1..755c6bbc9553 100644 --- a/drivers/isdn/isdnloop/isdnloop.c +++ b/drivers/isdn/isdnloop/isdnloop.c @@ -570,7 +570,7 @@ isdnloop_atimeout(isdnloop_card *card, int ch) char buf[60]; spin_lock_irqsave(&card->isdnloop_lock, flags); - if (card->rcard) { + if (card->rcard[ch]) { isdnloop_fake(card->rcard[ch], "DDIS_I", card->rch[ch] + 1); card->rcard[ch]->rcard[card->rch[ch]] = NULL; card->rcard[ch] = NULL; diff --git a/drivers/net/can/usb/peak_usb/pcan_usb_pro.c b/drivers/net/can/usb/peak_usb/pcan_usb_pro.c index d516def846ab..b388406ac0f5 100644 --- a/drivers/net/can/usb/peak_usb/pcan_usb_pro.c +++ b/drivers/net/can/usb/peak_usb/pcan_usb_pro.c @@ -127,7 +127,7 @@ static u8 *pcan_msg_init_empty(struct pcan_usb_pro_msg *pm, /* * add one record to a message being built */ -static int pcan_msg_add_rec(struct pcan_usb_pro_msg *pm, u8 id, ...) +static int pcan_msg_add_rec(struct pcan_usb_pro_msg *pm, int id, ...) { int len, i; u8 *pc; diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c index 96728d1e9824..f4e2db44ad91 100644 --- a/drivers/net/dsa/mv88e6xxx/chip.c +++ b/drivers/net/dsa/mv88e6xxx/chip.c @@ -569,6 +569,9 @@ int mv88e6xxx_port_setup_mac(struct mv88e6xxx_chip *chip, int port, int link, goto restore_link; } + if (speed == SPEED_MAX && chip->info->ops->port_max_speed_mode) + mode = chip->info->ops->port_max_speed_mode(port); + if (chip->info->ops->port_set_pause) { err = chip->info->ops->port_set_pause(chip, port, pause); if (err) @@ -3067,6 +3070,7 @@ static const struct mv88e6xxx_ops mv88e6141_ops = { .port_set_duplex = mv88e6xxx_port_set_duplex, .port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay, .port_set_speed = mv88e6341_port_set_speed, + .port_max_speed_mode = mv88e6341_port_max_speed_mode, .port_tag_remap = mv88e6095_port_tag_remap, .port_set_frame_mode = mv88e6351_port_set_frame_mode, .port_set_egress_floods = mv88e6352_port_set_egress_floods, @@ -3385,6 +3389,7 @@ static const struct mv88e6xxx_ops mv88e6190_ops = { .port_set_duplex = mv88e6xxx_port_set_duplex, .port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay, .port_set_speed = mv88e6390_port_set_speed, + .port_max_speed_mode = mv88e6390_port_max_speed_mode, .port_tag_remap = mv88e6390_port_tag_remap, .port_set_frame_mode = mv88e6351_port_set_frame_mode, .port_set_egress_floods = mv88e6352_port_set_egress_floods, @@ -3429,6 +3434,7 @@ static const struct mv88e6xxx_ops mv88e6190x_ops = { .port_set_duplex = mv88e6xxx_port_set_duplex, .port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay, .port_set_speed = mv88e6390x_port_set_speed, + .port_max_speed_mode = mv88e6390x_port_max_speed_mode, .port_tag_remap = mv88e6390_port_tag_remap, .port_set_frame_mode = mv88e6351_port_set_frame_mode, .port_set_egress_floods = mv88e6352_port_set_egress_floods, @@ -3473,6 +3479,7 @@ static const struct mv88e6xxx_ops mv88e6191_ops = { .port_set_duplex = mv88e6xxx_port_set_duplex, .port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay, .port_set_speed = mv88e6390_port_set_speed, + .port_max_speed_mode = mv88e6390_port_max_speed_mode, .port_tag_remap = mv88e6390_port_tag_remap, .port_set_frame_mode = mv88e6351_port_set_frame_mode, .port_set_egress_floods = mv88e6352_port_set_egress_floods, @@ -3566,6 +3573,7 @@ static const struct mv88e6xxx_ops mv88e6290_ops = { .port_set_duplex = mv88e6xxx_port_set_duplex, .port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay, .port_set_speed = mv88e6390_port_set_speed, + .port_max_speed_mode = mv88e6390_port_max_speed_mode, .port_tag_remap = mv88e6390_port_tag_remap, .port_set_frame_mode = mv88e6351_port_set_frame_mode, .port_set_egress_floods = mv88e6352_port_set_egress_floods, @@ -3697,6 +3705,7 @@ static const struct mv88e6xxx_ops mv88e6341_ops = { .port_set_duplex = mv88e6xxx_port_set_duplex, .port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay, .port_set_speed = mv88e6341_port_set_speed, + .port_max_speed_mode = mv88e6341_port_max_speed_mode, .port_tag_remap = mv88e6095_port_tag_remap, .port_set_frame_mode = mv88e6351_port_set_frame_mode, .port_set_egress_floods = mv88e6352_port_set_egress_floods, @@ -3872,6 +3881,7 @@ static const struct mv88e6xxx_ops mv88e6390_ops = { .port_set_duplex = mv88e6xxx_port_set_duplex, .port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay, .port_set_speed = mv88e6390_port_set_speed, + .port_max_speed_mode = mv88e6390_port_max_speed_mode, .port_tag_remap = mv88e6390_port_tag_remap, .port_set_frame_mode = mv88e6351_port_set_frame_mode, .port_set_egress_floods = mv88e6352_port_set_egress_floods, @@ -3920,6 +3930,7 @@ static const struct mv88e6xxx_ops mv88e6390x_ops = { .port_set_duplex = mv88e6xxx_port_set_duplex, .port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay, .port_set_speed = mv88e6390x_port_set_speed, + .port_max_speed_mode = mv88e6390x_port_max_speed_mode, .port_tag_remap = mv88e6390_port_tag_remap, .port_set_frame_mode = mv88e6351_port_set_frame_mode, .port_set_egress_floods = mv88e6352_port_set_egress_floods, diff --git a/drivers/net/dsa/mv88e6xxx/chip.h b/drivers/net/dsa/mv88e6xxx/chip.h index adcf60779895..19c07dff0440 100644 --- a/drivers/net/dsa/mv88e6xxx/chip.h +++ b/drivers/net/dsa/mv88e6xxx/chip.h @@ -377,6 +377,9 @@ struct mv88e6xxx_ops { */ int (*port_set_speed)(struct mv88e6xxx_chip *chip, int port, int speed); + /* What interface mode should be used for maximum speed? */ + phy_interface_t (*port_max_speed_mode)(int port); + int (*port_tag_remap)(struct mv88e6xxx_chip *chip, int port); int (*port_set_frame_mode)(struct mv88e6xxx_chip *chip, int port, diff --git a/drivers/net/dsa/mv88e6xxx/port.c b/drivers/net/dsa/mv88e6xxx/port.c index 0796c6feec55..dce84a2a65c7 100644 --- a/drivers/net/dsa/mv88e6xxx/port.c +++ b/drivers/net/dsa/mv88e6xxx/port.c @@ -312,6 +312,14 @@ int mv88e6341_port_set_speed(struct mv88e6xxx_chip *chip, int port, int speed) return mv88e6xxx_port_set_speed(chip, port, speed, !port, true); } +phy_interface_t mv88e6341_port_max_speed_mode(int port) +{ + if (port == 5) + return PHY_INTERFACE_MODE_2500BASEX; + + return PHY_INTERFACE_MODE_NA; +} + /* Support 10, 100, 200, 1000 Mbps (e.g. 88E6352 family) */ int mv88e6352_port_set_speed(struct mv88e6xxx_chip *chip, int port, int speed) { @@ -345,6 +353,14 @@ int mv88e6390_port_set_speed(struct mv88e6xxx_chip *chip, int port, int speed) return mv88e6xxx_port_set_speed(chip, port, speed, true, true); } +phy_interface_t mv88e6390_port_max_speed_mode(int port) +{ + if (port == 9 || port == 10) + return PHY_INTERFACE_MODE_2500BASEX; + + return PHY_INTERFACE_MODE_NA; +} + /* Support 10, 100, 200, 1000, 2500, 10000 Mbps (e.g. 88E6190X) */ int mv88e6390x_port_set_speed(struct mv88e6xxx_chip *chip, int port, int speed) { @@ -360,6 +376,14 @@ int mv88e6390x_port_set_speed(struct mv88e6xxx_chip *chip, int port, int speed) return mv88e6xxx_port_set_speed(chip, port, speed, true, true); } +phy_interface_t mv88e6390x_port_max_speed_mode(int port) +{ + if (port == 9 || port == 10) + return PHY_INTERFACE_MODE_XAUI; + + return PHY_INTERFACE_MODE_NA; +} + int mv88e6390x_port_set_cmode(struct mv88e6xxx_chip *chip, int port, phy_interface_t mode) { diff --git a/drivers/net/dsa/mv88e6xxx/port.h b/drivers/net/dsa/mv88e6xxx/port.h index 4aadf321edb7..c7bed263a0f4 100644 --- a/drivers/net/dsa/mv88e6xxx/port.h +++ b/drivers/net/dsa/mv88e6xxx/port.h @@ -285,6 +285,10 @@ int mv88e6352_port_set_speed(struct mv88e6xxx_chip *chip, int port, int speed); int mv88e6390_port_set_speed(struct mv88e6xxx_chip *chip, int port, int speed); int mv88e6390x_port_set_speed(struct mv88e6xxx_chip *chip, int port, int speed); +phy_interface_t mv88e6341_port_max_speed_mode(int port); +phy_interface_t mv88e6390_port_max_speed_mode(int port); +phy_interface_t mv88e6390x_port_max_speed_mode(int port); + int mv88e6xxx_port_set_state(struct mv88e6xxx_chip *chip, int port, u8 state); int mv88e6xxx_port_set_vlan_map(struct mv88e6xxx_chip *chip, int port, u16 map); diff --git a/drivers/net/ethernet/cisco/enic/enic_main.c b/drivers/net/ethernet/cisco/enic/enic_main.c index 9a7f70db20c7..733d9172425b 100644 --- a/drivers/net/ethernet/cisco/enic/enic_main.c +++ b/drivers/net/ethernet/cisco/enic/enic_main.c @@ -119,7 +119,7 @@ static void enic_init_affinity_hint(struct enic *enic) for (i = 0; i < enic->intr_count; i++) { if (enic_is_err_intr(enic, i) || enic_is_notify_intr(enic, i) || - (enic->msix[i].affinity_mask && + (cpumask_available(enic->msix[i].affinity_mask) && !cpumask_empty(enic->msix[i].affinity_mask))) continue; if (zalloc_cpumask_var(&enic->msix[i].affinity_mask, @@ -148,7 +148,7 @@ static void enic_set_affinity_hint(struct enic *enic) for (i = 0; i < enic->intr_count; i++) { if (enic_is_err_intr(enic, i) || enic_is_notify_intr(enic, i) || - !enic->msix[i].affinity_mask || + !cpumask_available(enic->msix[i].affinity_mask) || cpumask_empty(enic->msix[i].affinity_mask)) continue; err = irq_set_affinity_hint(enic->msix_entry[i].vector, @@ -161,7 +161,7 @@ static void enic_set_affinity_hint(struct enic *enic) for (i = 0; i < enic->wq_count; i++) { int wq_intr = enic_msix_wq_intr(enic, i); - if (enic->msix[wq_intr].affinity_mask && + if (cpumask_available(enic->msix[wq_intr].affinity_mask) && !cpumask_empty(enic->msix[wq_intr].affinity_mask)) netif_set_xps_queue(enic->netdev, enic->msix[wq_intr].affinity_mask, diff --git a/drivers/net/ethernet/hisilicon/hns3/hnae3.h b/drivers/net/ethernet/hisilicon/hns3/hnae3.h index 66d7a8b80e76..38b430f11fc1 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hnae3.h +++ b/drivers/net/ethernet/hisilicon/hns3/hnae3.h @@ -194,6 +194,7 @@ struct hnae3_ae_dev { const struct hnae3_ae_ops *ops; struct list_head node; u32 flag; + u8 override_pci_need_reset; /* fix to stop multiple reset happening */ enum hnae3_dev_type dev_type; enum hnae3_reset_type reset_type; void *priv; diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c index 3cb43b1f1c2e..1c1f17ec6be2 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c @@ -1850,7 +1850,9 @@ static pci_ers_result_t hns3_slot_reset(struct pci_dev *pdev) /* request the reset */ if (ae_dev->ops->reset_event) { - ae_dev->ops->reset_event(pdev, NULL); + if (!ae_dev->override_pci_need_reset) + ae_dev->ops->reset_event(pdev, NULL); + return PCI_ERS_RESULT_RECOVERED; } @@ -2321,8 +2323,8 @@ static void hns3_rx_checksum(struct hns3_enet_ring *ring, struct sk_buff *skb, if (!(bd_base_info & BIT(HNS3_RXD_L3L4P_B))) return; - if (unlikely(l234info & (BIT(HNS3_RXD_L3E_B) | BIT(HNS3_RXD_L4E_B) || - BIT(HNS3_RXD_OL3E_B) || + if (unlikely(l234info & (BIT(HNS3_RXD_L3E_B) | BIT(HNS3_RXD_L4E_B) | + BIT(HNS3_RXD_OL3E_B) | BIT(HNS3_RXD_OL4E_B)))) { u64_stats_update_begin(&ring->syncp); ring->stats.l3l4_csum_err++; @@ -2472,6 +2474,8 @@ static int hns3_add_frag(struct hns3_enet_ring *ring, struct hns3_desc *desc, desc = &ring->desc[ring->next_to_clean]; desc_cb = &ring->desc_cb[ring->next_to_clean]; bd_base_info = le32_to_cpu(desc->rx.bd_base_info); + /* make sure HW write desc complete */ + dma_rmb(); if (!(bd_base_info & BIT(HNS3_RXD_VLD_B))) return -ENXIO; diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.c index 1feceff1477c..1f52d11f77b5 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.c @@ -1317,8 +1317,10 @@ pci_ers_result_t hclge_handle_hw_ras_error(struct hnae3_ae_dev *ae_dev) hclge_handle_all_ras_errors(hdev); } else { if (test_bit(HCLGE_STATE_RST_HANDLING, &hdev->state) || - hdev->pdev->revision < 0x21) + hdev->pdev->revision < 0x21) { + ae_dev->override_pci_need_reset = 1; return PCI_ERS_RESULT_RECOVERED; + } } if (status & HCLGE_RAS_REG_ROCEE_ERR_MASK) { @@ -1327,8 +1329,11 @@ pci_ers_result_t hclge_handle_hw_ras_error(struct hnae3_ae_dev *ae_dev) } if (status & HCLGE_RAS_REG_NFE_MASK || - status & HCLGE_RAS_REG_ROCEE_ERR_MASK) + status & HCLGE_RAS_REG_ROCEE_ERR_MASK) { + ae_dev->override_pci_need_reset = 0; return PCI_ERS_RESULT_NEED_RESET; + } + ae_dev->override_pci_need_reset = 1; return PCI_ERS_RESULT_RECOVERED; } diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_ctrl.h b/drivers/net/ethernet/netronome/nfp/nfp_net_ctrl.h index 166d7f71442e..372adea10e14 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_net_ctrl.h +++ b/drivers/net/ethernet/netronome/nfp/nfp_net_ctrl.h @@ -392,7 +392,7 @@ #define NFP_NET_CFG_MBOX_SIMPLE_CMD 0x0 #define NFP_NET_CFG_MBOX_SIMPLE_RET 0x4 #define NFP_NET_CFG_MBOX_SIMPLE_VAL 0x8 -#define NFP_NET_CFG_MBOX_SIMPLE_LEN 0x12 +#define NFP_NET_CFG_MBOX_SIMPLE_LEN 12 #define NFP_NET_CFG_MBOX_CMD_CTAG_FILTER_ADD 1 #define NFP_NET_CFG_MBOX_CMD_CTAG_FILTER_KILL 2 diff --git a/drivers/net/ethernet/qlogic/qede/qede_ethtool.c b/drivers/net/ethernet/qlogic/qede/qede_ethtool.c index c6238083e898..b4c8949933f1 100644 --- a/drivers/net/ethernet/qlogic/qede/qede_ethtool.c +++ b/drivers/net/ethernet/qlogic/qede/qede_ethtool.c @@ -1663,8 +1663,11 @@ static int qede_selftest_run_loopback(struct qede_dev *edev, u32 loopback_mode) /* Wait for loopback configuration to apply */ msleep_interruptible(500); - /* prepare the loopback packet */ - pkt_size = edev->ndev->mtu + ETH_HLEN; + /* Setting max packet size to 1.5K to avoid data being split over + * multiple BDs in cases where MTU > PAGE_SIZE. + */ + pkt_size = (((edev->ndev->mtu < ETH_DATA_LEN) ? + edev->ndev->mtu : ETH_DATA_LEN) + ETH_HLEN); skb = netdev_alloc_skb(edev->ndev, pkt_size); if (!skb) { diff --git a/drivers/net/ethernet/realtek/8139too.c b/drivers/net/ethernet/realtek/8139too.c index 69d752f0b621..55d01266e615 100644 --- a/drivers/net/ethernet/realtek/8139too.c +++ b/drivers/net/ethernet/realtek/8139too.c @@ -258,6 +258,7 @@ static const struct pci_device_id rtl8139_pci_tbl[] = { {0x126c, 0x1211, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, {0x1743, 0x8139, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, {0x021b, 0x8139, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, + {0x16ec, 0xab06, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, #ifdef CONFIG_SH_SECUREEDGE5410 /* Bogus 8139 silicon reports 8129 without external PROM :-( */ diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c index d28c8f9ca55b..8154b38c08f7 100644 --- a/drivers/net/ethernet/renesas/ravb_main.c +++ b/drivers/net/ethernet/renesas/ravb_main.c @@ -458,7 +458,7 @@ static int ravb_dmac_init(struct net_device *ndev) RCR_EFFS | RCR_ENCF | RCR_ETS0 | RCR_ESF | 0x18000000, RCR); /* Set FIFO size */ - ravb_write(ndev, TGC_TQP_AVBMODE1 | 0x00222200, TGC); + ravb_write(ndev, TGC_TQP_AVBMODE1 | 0x00112200, TGC); /* Timestamp enable */ ravb_write(ndev, TCCR_TFEN, TCCR); diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-stm32.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-stm32.c index 7e2e79dedebf..062a600fa5a7 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-stm32.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-stm32.c @@ -25,9 +25,24 @@ #define SYSCFG_MCU_ETH_MASK BIT(23) #define SYSCFG_MP1_ETH_MASK GENMASK(23, 16) +#define SYSCFG_PMCCLRR_OFFSET 0x40 #define SYSCFG_PMCR_ETH_CLK_SEL BIT(16) #define SYSCFG_PMCR_ETH_REF_CLK_SEL BIT(17) + +/* Ethernet PHY interface selection in register SYSCFG Configuration + *------------------------------------------ + * src |BIT(23)| BIT(22)| BIT(21)|BIT(20)| + *------------------------------------------ + * MII | 0 | 0 | 0 | 1 | + *------------------------------------------ + * GMII | 0 | 0 | 0 | 0 | + *------------------------------------------ + * RGMII | 0 | 0 | 1 | n/a | + *------------------------------------------ + * RMII | 1 | 0 | 0 | n/a | + *------------------------------------------ + */ #define SYSCFG_PMCR_ETH_SEL_MII BIT(20) #define SYSCFG_PMCR_ETH_SEL_RGMII BIT(21) #define SYSCFG_PMCR_ETH_SEL_RMII BIT(23) @@ -35,14 +50,54 @@ #define SYSCFG_MCU_ETH_SEL_MII 0 #define SYSCFG_MCU_ETH_SEL_RMII 1 +/* STM32MP1 register definitions + * + * Below table summarizes the clock requirement and clock sources for + * supported phy interface modes. + * __________________________________________________________________________ + *|PHY_MODE | Normal | PHY wo crystal| PHY wo crystal |No 125Mhz from PHY| + *| | | 25MHz | 50MHz | | + * --------------------------------------------------------------------------- + *| MII | - | eth-ck | n/a | n/a | + *| | | | | | + * --------------------------------------------------------------------------- + *| GMII | - | eth-ck | n/a | n/a | + *| | | | | | + * --------------------------------------------------------------------------- + *| RGMII | - | eth-ck | n/a | eth-ck (no pin) | + *| | | | | st,eth-clk-sel | + * --------------------------------------------------------------------------- + *| RMII | - | eth-ck | eth-ck | n/a | + *| | | | st,eth-ref-clk-sel | | + * --------------------------------------------------------------------------- + * + * BIT(17) : set this bit in RMII mode when you have PHY without crystal 50MHz + * BIT(16) : set this bit in GMII/RGMII PHY when you do not want use 125Mhz + * from PHY + *----------------------------------------------------- + * src | BIT(17) | BIT(16) | + *----------------------------------------------------- + * MII | n/a | n/a | + *----------------------------------------------------- + * GMII | n/a | st,eth-clk-sel | + *----------------------------------------------------- + * RGMII | n/a | st,eth-clk-sel | + *----------------------------------------------------- + * RMII | st,eth-ref-clk-sel | n/a | + *----------------------------------------------------- + * + */ + struct stm32_dwmac { struct clk *clk_tx; struct clk *clk_rx; struct clk *clk_eth_ck; struct clk *clk_ethstp; struct clk *syscfg_clk; - bool int_phyclk; /* Clock from RCC to drive PHY */ - u32 mode_reg; /* MAC glue-logic mode register */ + int eth_clk_sel_reg; + int eth_ref_clk_sel_reg; + int irq_pwr_wakeup; + u32 mode_reg; /* MAC glue-logic mode register */ struct regmap *regmap; u32 speed; const struct stm32_ops *ops; @@ -102,7 +157,7 @@ static int stm32mp1_clk_prepare(struct stm32_dwmac *dwmac, bool prepare) if (ret) return ret; - if (dwmac->int_phyclk) { + if (dwmac->clk_eth_ck) { ret = clk_prepare_enable(dwmac->clk_eth_ck); if (ret) { clk_disable_unprepare(dwmac->syscfg_clk); @@ -111,7 +166,7 @@ static int stm32mp1_clk_prepare(struct stm32_dwmac *dwmac, bool prepare) } } else { clk_disable_unprepare(dwmac->syscfg_clk); - if (dwmac->int_phyclk) + if (dwmac->clk_eth_ck) clk_disable_unprepare(dwmac->clk_eth_ck); } return ret; @@ -121,7 +176,7 @@ static int stm32mp1_set_mode(struct plat_stmmacenet_data *plat_dat) { struct stm32_dwmac *dwmac = plat_dat->bsp_priv; u32 reg = dwmac->mode_reg; - int val; + int val, ret; switch (plat_dat->interface) { case PHY_INTERFACE_MODE_MII: @@ -130,19 +185,22 @@ static int stm32mp1_set_mode(struct plat_stmmacenet_data *plat_dat) break; case PHY_INTERFACE_MODE_GMII: val = SYSCFG_PMCR_ETH_SEL_GMII; - if (dwmac->int_phyclk) + if (dwmac->eth_clk_sel_reg) val |= SYSCFG_PMCR_ETH_CLK_SEL; pr_debug("SYSCFG init : PHY_INTERFACE_MODE_GMII\n"); break; case PHY_INTERFACE_MODE_RMII: val = SYSCFG_PMCR_ETH_SEL_RMII; - if (dwmac->int_phyclk) + if (dwmac->eth_ref_clk_sel_reg) val |= SYSCFG_PMCR_ETH_REF_CLK_SEL; pr_debug("SYSCFG init : PHY_INTERFACE_MODE_RMII\n"); break; case PHY_INTERFACE_MODE_RGMII: + case PHY_INTERFACE_MODE_RGMII_ID: + case PHY_INTERFACE_MODE_RGMII_RXID: + case PHY_INTERFACE_MODE_RGMII_TXID: val = SYSCFG_PMCR_ETH_SEL_RGMII; - if (dwmac->int_phyclk) + if (dwmac->eth_clk_sel_reg) val |= SYSCFG_PMCR_ETH_CLK_SEL; pr_debug("SYSCFG init : PHY_INTERFACE_MODE_RGMII\n"); break; @@ -153,6 +211,11 @@ static int stm32mp1_set_mode(struct plat_stmmacenet_data *plat_dat) return -EINVAL; } + /* Need to update PMCCLRR (clear register) */ + ret = regmap_write(dwmac->regmap, reg + SYSCFG_PMCCLRR_OFFSET, + dwmac->ops->syscfg_eth_mask); + + /* Update PMCSETR (set register) */ return regmap_update_bits(dwmac->regmap, reg, dwmac->ops->syscfg_eth_mask, val); } @@ -180,7 +243,7 @@ static int stm32mcu_set_mode(struct plat_stmmacenet_data *plat_dat) } return regmap_update_bits(dwmac->regmap, reg, - dwmac->ops->syscfg_eth_mask, val); + dwmac->ops->syscfg_eth_mask, val << 23); } static void stm32_dwmac_clk_disable(struct stm32_dwmac *dwmac) @@ -232,24 +295,29 @@ static int stm32_dwmac_parse_data(struct stm32_dwmac *dwmac, static int stm32mp1_parse_data(struct stm32_dwmac *dwmac, struct device *dev) { + struct platform_device *pdev = to_platform_device(dev); struct device_node *np = dev->of_node; + int err = 0; - dwmac->int_phyclk = of_property_read_bool(np, "st,int-phyclk"); + /* Gigabit Ethernet 125MHz clock selection. */ + dwmac->eth_clk_sel_reg = of_property_read_bool(np, "st,eth-clk-sel"); - /* Check if internal clk from RCC selected */ - if (dwmac->int_phyclk) { - /* Get ETH_CLK clocks */ - dwmac->clk_eth_ck = devm_clk_get(dev, "eth-ck"); - if (IS_ERR(dwmac->clk_eth_ck)) { - dev_err(dev, "No ETH CK clock provided...\n"); - return PTR_ERR(dwmac->clk_eth_ck); - } + /* Ethernet 50Mhz RMII clock selection */ + dwmac->eth_ref_clk_sel_reg = + of_property_read_bool(np, "st,eth-ref-clk-sel"); + + /* Get ETH_CLK clocks */ + dwmac->clk_eth_ck = devm_clk_get(dev, "eth-ck"); + if (IS_ERR(dwmac->clk_eth_ck)) { + dev_warn(dev, "No phy clock provided...\n"); + dwmac->clk_eth_ck = NULL; } /* Clock used for low power mode */ dwmac->clk_ethstp = devm_clk_get(dev, "ethstp"); if (IS_ERR(dwmac->clk_ethstp)) { - dev_err(dev, "No ETH peripheral clock provided for CStop mode ...\n"); + dev_err(dev, + "No ETH peripheral clock provided for CStop mode ...\n"); return PTR_ERR(dwmac->clk_ethstp); } @@ -260,7 +328,26 @@ static int stm32mp1_parse_data(struct stm32_dwmac *dwmac, return PTR_ERR(dwmac->syscfg_clk); } - return 0; + /* Get IRQ information early to have an ability to ask for deferred + * probe if needed before we went too far with resource allocation. + */ + dwmac->irq_pwr_wakeup = platform_get_irq_byname(pdev, + "stm32_pwr_wakeup"); + if (!dwmac->clk_eth_ck && dwmac->irq_pwr_wakeup >= 0) { + err = device_init_wakeup(&pdev->dev, true); + if (err) { + dev_err(&pdev->dev, "Failed to init wake up irq\n"); + return err; + } + err = dev_pm_set_dedicated_wake_irq(&pdev->dev, + dwmac->irq_pwr_wakeup); + if (err) { + dev_err(&pdev->dev, "Failed to set wake up irq\n"); + device_init_wakeup(&pdev->dev, false); + } + device_set_wakeup_enable(&pdev->dev, false); + } + return err; } static int stm32_dwmac_probe(struct platform_device *pdev) @@ -326,9 +413,15 @@ static int stm32_dwmac_remove(struct platform_device *pdev) struct net_device *ndev = platform_get_drvdata(pdev); struct stmmac_priv *priv = netdev_priv(ndev); int ret = stmmac_dvr_remove(&pdev->dev); + struct stm32_dwmac *dwmac = priv->plat->bsp_priv; stm32_dwmac_clk_disable(priv->plat->bsp_priv); + if (dwmac->irq_pwr_wakeup >= 0) { + dev_pm_clear_wake_irq(&pdev->dev); + device_init_wakeup(&pdev->dev, false); + } + return ret; } @@ -342,7 +435,7 @@ static int stm32mp1_suspend(struct stm32_dwmac *dwmac) clk_disable_unprepare(dwmac->clk_tx); clk_disable_unprepare(dwmac->syscfg_clk); - if (dwmac->int_phyclk) + if (dwmac->clk_eth_ck) clk_disable_unprepare(dwmac->clk_eth_ck); return ret; diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index e2a13ec2e30b..97c5e1aad88f 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -480,7 +480,7 @@ static void stmmac_get_tx_hwtstamp(struct stmmac_priv *priv, struct dma_desc *p, struct sk_buff *skb) { struct skb_shared_hwtstamps shhwtstamp; - u64 ns; + u64 ns = 0; if (!priv->hwts_tx_en) return; @@ -519,7 +519,7 @@ static void stmmac_get_rx_hwtstamp(struct stmmac_priv *priv, struct dma_desc *p, { struct skb_shared_hwtstamps *shhwtstamp = NULL; struct dma_desc *desc = p; - u64 ns; + u64 ns = 0; if (!priv->hwts_rx_en) return; @@ -564,8 +564,8 @@ static int stmmac_hwtstamp_set(struct net_device *dev, struct ifreq *ifr) u32 snap_type_sel = 0; u32 ts_master_en = 0; u32 ts_event_en = 0; + u32 sec_inc = 0; u32 value = 0; - u32 sec_inc; bool xmac; xmac = priv->plat->has_gmac4 || priv->plat->has_xgmac; diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c index 2b800ce1d5bf..3031f2bf15d6 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c @@ -408,6 +408,9 @@ stmmac_probe_config_dt(struct platform_device *pdev, const char **mac) /* Default to phy auto-detection */ plat->phy_addr = -1; + /* Get clk_csr from device tree */ + of_property_read_u32(np, "clk_csr", &plat->clk_csr); + /* "snps,phy-addr" is not a standard property. Mark it as deprecated * and warn of its use. Remove this when phy node support is added. */ diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c index 2293e21f789f..cc60b3fb0892 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c @@ -105,7 +105,7 @@ static int stmmac_get_time(struct ptp_clock_info *ptp, struct timespec64 *ts) struct stmmac_priv *priv = container_of(ptp, struct stmmac_priv, ptp_clock_ops); unsigned long flags; - u64 ns; + u64 ns = 0; spin_lock_irqsave(&priv->ptp_lock, flags); stmmac_get_systime(priv, priv->ptpaddr, &ns); diff --git a/drivers/net/ethernet/sun/niu.c b/drivers/net/ethernet/sun/niu.c index d84501441edd..6f99437a6962 100644 --- a/drivers/net/ethernet/sun/niu.c +++ b/drivers/net/ethernet/sun/niu.c @@ -7464,6 +7464,7 @@ static int niu_add_ethtool_tcam_entry(struct niu *np, class = CLASS_CODE_USER_PROG4; break; default: + class = CLASS_CODE_UNRECOG; break; } ret = tcam_user_ip_class_set(np, class, 0, diff --git a/drivers/net/ethernet/ti/davinci_emac.c b/drivers/net/ethernet/ti/davinci_emac.c index 840820402cd0..57450b174fc4 100644 --- a/drivers/net/ethernet/ti/davinci_emac.c +++ b/drivers/net/ethernet/ti/davinci_emac.c @@ -2029,7 +2029,6 @@ static const struct dev_pm_ops davinci_emac_pm_ops = { .resume = davinci_emac_resume, }; -#if IS_ENABLED(CONFIG_OF) static const struct emac_platform_data am3517_emac_data = { .version = EMAC_VERSION_2, .hw_ram_addr = 0x01e20000, @@ -2046,14 +2045,13 @@ static const struct of_device_id davinci_emac_of_match[] = { {}, }; MODULE_DEVICE_TABLE(of, davinci_emac_of_match); -#endif /* davinci_emac_driver: EMAC platform driver structure */ static struct platform_driver davinci_emac_driver = { .driver = { .name = "davinci_emac", .pm = &davinci_emac_pm_ops, - .of_match_table = of_match_ptr(davinci_emac_of_match), + .of_match_table = davinci_emac_of_match, }, .probe = davinci_emac_probe, .remove = davinci_emac_remove, diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index a3c46d78d216..077f1b9f2761 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -1731,6 +1731,14 @@ static int vxlan_rcv(struct sock *sk, struct sk_buff *skb) goto drop; } + rcu_read_lock(); + + if (unlikely(!(vxlan->dev->flags & IFF_UP))) { + rcu_read_unlock(); + atomic_long_inc(&vxlan->dev->rx_dropped); + goto drop; + } + stats = this_cpu_ptr(vxlan->dev->tstats); u64_stats_update_begin(&stats->syncp); stats->rx_packets++; @@ -1738,6 +1746,9 @@ static int vxlan_rcv(struct sock *sk, struct sk_buff *skb) u64_stats_update_end(&stats->syncp); gro_cells_receive(&vxlan->gro_cells, skb); + + rcu_read_unlock(); + return 0; drop: @@ -2690,7 +2701,7 @@ static void vxlan_cleanup(struct timer_list *t) for (h = 0; h < FDB_HASH_SIZE; ++h) { struct hlist_node *p, *n; - spin_lock_bh(&vxlan->hash_lock); + spin_lock(&vxlan->hash_lock); hlist_for_each_safe(p, n, &vxlan->fdb_head[h]) { struct vxlan_fdb *f = container_of(p, struct vxlan_fdb, hlist); @@ -2712,7 +2723,7 @@ static void vxlan_cleanup(struct timer_list *t) } else if (time_before(timeout, next_timer)) next_timer = timeout; } - spin_unlock_bh(&vxlan->hash_lock); + spin_unlock(&vxlan->hash_lock); } mod_timer(&vxlan->age_timer, next_timer); @@ -2767,6 +2778,8 @@ static void vxlan_uninit(struct net_device *dev) { struct vxlan_dev *vxlan = netdev_priv(dev); + gro_cells_destroy(&vxlan->gro_cells); + vxlan_fdb_delete_default(vxlan, vxlan->cfg.vni); free_percpu(dev->tstats); @@ -3942,7 +3955,6 @@ static void vxlan_dellink(struct net_device *dev, struct list_head *head) vxlan_flush(vxlan, true); - gro_cells_destroy(&vxlan->gro_cells); list_del(&vxlan->next); unregister_netdevice_queue(dev, head); } |