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The variable 'cda2_cr' is set but unused in ctrl_complete(). Just
kill it off.
Keep the cs->readisac() call just in case the register read has side
effects.
Signed-off-by: David S. Miller <davem@davemloft.net>
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The variable 'buf' is set but unused in
ctrl_complete(). Just kill it off.
Similarly for 'err' in hfc_usb_init().
Signed-off-by: David S. Miller <davem@davemloft.net>
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The variable 'bits' is set but unused in
change_speed(). Just kill it off.
Signed-off-by: David S. Miller <davem@davemloft.net>
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The variable 'dev' is set but unused in
elsa_cs_config(). Just kill it off.
Signed-off-by: David S. Miller <davem@davemloft.net>
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The variable 'val' is set but unused in
send_arcofi(). Just kill it off.
Signed-off-by: David S. Miller <davem@davemloft.net>
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The variable 'buf' is set but unused in
ctrl_complete(). Just kill it off.
Similarly for the variable 'err' in setup_hfcsusb().
Signed-off-by: David S. Miller <davem@davemloft.net>
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The variable 'total' is set but unused in
hfcpci_empty_bfifo(). Just kill it off.
Similarly for the variable 'val' in ph_state_nt().
Signed-off-by: David S. Miller <davem@davemloft.net>
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The variable 'best_id' is set but unused in
diva_mnt_add_xdi_adapter(). Just kill it off.
Similarly for the variable 'CIP' in connect_req(), 'Number' in
sig_ind(), 'Info' in dtmf_confirmation() mixer_command()
fax_connect_ack_command() fax_edata_ack_command()
rtp_connect_b3_res_command() and rtp_connect_b3_res_command(), and 'a'
in mixer_indication_coefs_set(),
Signed-off-by: David S. Miller <davem@davemloft.net>
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The variable 'offset' is set but unused in
write_iso_tasklet(). Just kill it off.
Signed-off-by: David S. Miller <davem@davemloft.net>
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The variable 'extra_size' is set but unused in
atl1c_configure_tx(). Just kill it off.
Signed-off-by: David S. Miller <davem@davemloft.net>
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The variable 'tx_ring' is set but unused in
atl1e_init_ring_resources(). Just kill it off.
Signed-off-by: David S. Miller <davem@davemloft.net>
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The variable 'tpc' is set but unused in atl1_intr_tx().
Just kill it off.
Signed-off-by: David S. Miller <davem@davemloft.net>
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The variable 'vlan_dev' is set but unused in
bond_send_gratuitous_arp(). Just kill it off.
Signed-off-by: David S. Miller <davem@davemloft.net>
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This is just a readback to entire completion of a register
write, keep the readback but kill the unused variable.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Two cases here:
1) idt77252_rx_raw() really does not make any use of the
extracted PTI field of the atm header.
2) idt77252_collect_stat() only uses the register values
in code which has been compiled out by a "NOTDEF" cpp
test for more than 10 years. Just kill this NOTDEF
code entirely, but keep the register reads in case
they have side effects.
Signed-off-by: David S. Miller <davem@davemloft.net>
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GCC complains in these queue index operations because we
perform operations of the form:
x = some_operation(++x);
which is undefined. Replace with:
x = some_operation(x + 1);
which is well defined and provides the intended operation.
Signed-off-by: David S. Miller <davem@davemloft.net>
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The variable eni_dev is initialized but never subsequently used in
these two functions.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Note: I bet that gfar_set_features() don't really need a full reset.
Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This also fixes a race around np->txrxctl_bits while changing RXCSUM offload.
Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>
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My changes in commit 4d42d417be75d750b82798922b6e775915e11bce were
written some time before the introduction of FLAG_POINTTOPOINT, so
didn't include that flag in the new driver_info. Change the new
driver_info to be consistent.
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This updates the bonding driver to support v2.6.27-rc3 enhancements
(b11f8d8c aka. "ethtool: Expand ethtool_cmd.speed to 32 bits") which
allow to encode the Mbps link speed on 32-bits (Max 4 Pbps) instead of
16 (Max 65536 Mbps).
This patch also attempts to compact struct slave by reordering its
fields.
Signed-off-by: David Decotigny <decot@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The __get_link_speed() function returns a u16 value which was stored
in a u32 local variable. This patch uses the return value directly,
thus fixing that minor type consistency.
The 'duplex' field in struct slave being encoded on 8 bits, to be more
consistent we use a u8 integer (instead of u16) whenever we copy it to
local variables.
Signed-off-by: David Decotigny <decot@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This gets rid of minor sparse complaints:
drivers/net/bonding/bond_main.c:4361:4: warning: do-while statement is not a compound statement
drivers/net/bonding/bond_main.c:243:12: warning: symbol 'bond_mode_name' was not declared. Should it be static?
Signed-off-by: David Decotigny <decot@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The struct nic_operations is just function pointers and should be
declared const for added security.
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The phy, mac, and board information structures should be const.
Since tables contain function pointer this improves security
(at least theoretically).
Compile tested only.
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Acked-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When physical identification of an adapter is done by toggling the
mechanism on and off through software utilizing the set_phys_id operation,
it is done with a fixed duration for both on and off states. Some drivers
may want to set a custom duration for the on/off intervals. This patch
changes the API so the return code from the driver's entry point when it
is called with ETHTOOL_ID_ACTIVE can specify the frequency at which to
cycle the on/off states, and updates the drivers that have already been
converted to use the new set_phys_id and use the synchronous method for
identifying an adapter.
The physical identification frequency set in the updated drivers is based
on how it was done prior to the introduction of set_phys_id.
Compile tested only. Also fixes a compiler warning in sfc.
v2: drivers do not return -EINVAL for ETHOOL_ID_ACTIVE
v3: fold patchset into single patch and cleanup per Ben's feedback
Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Cc: Ben Hutchings <bhutchings@solarflare.com>
Cc: Sathya Perla <sathya.perla@emulex.com>
Cc: Subbu Seetharaman <subbu.seetharaman@emulex.com>
Cc: Ajit Khaparde <ajit.khaparde@emulex.com>
Cc: Michael Chan <mchan@broadcom.com>
Cc: Eilon Greenstein <eilong@broadcom.com>
Cc: Divy Le Ray <divy@chelsio.com>
Cc: Don Fry <pcnet32@frontier.com>
Cc: Jon Mason <jdmason@kudzu.us>
Cc: Solarflare linux maintainers <linux-net-drivers@solarflare.com>
Cc: Steve Hodgson <shodgson@solarflare.com>
Cc: Stephen Hemminger <shemminger@linux-foundation.org>
Cc: Matt Carlson <mcarlson@broadcom.com>
Acked-by: Jon Mason <jdmason@kudzu.us>
Acked-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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DCB enabled X540 devices are not responding to pause frames
due to a missing register set that was added for these
devices that did not exist in other devices.
Signed-off-by: John Fastabend <john.r.fastabend@intel.com>
Tested-by: Ross Brattain <ross.b.brattain@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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The X540 device has a smaller packet buffer but the DCB configuration
never took this into account. Under stress this can result in the DMA
engine hanging and TX Unit hang occurring to reset the device. This
patch reworks the packet buffer allocation routine used for DCB on
82599 and X540 devices to account for RX packet buffer sizes.
This fixes the immediate hang. We should consolidate the various
hardware specific routines for configuring features into a single
routine. This will make it much harder to miss feature cases like
this.
Signed-off-by: John Fastabend <john.r.fastabend@intel.com>
Tested-by: Ross Brattain <ross.b.brattain@intel.com>
Tested-by: Evan Swanson <evan.swanson@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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x540 has the same device capability word in the EEPROM as 82599.
This patch renames ixgbe_get_device_caps_82599 to
ixgbe_get_device_caps_generic, moves it to ixgbe_common.h and
sets up the function pointer for x540.
Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com>
Tested-by: Evan Swanson <evan.swanson@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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100H is not supported on this HW, but the bit is set on the PHY.
This can result in link at 100F when advertising only 1000F.
Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com>
Tested-by: Evan Swanson <evan.swanson@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Add new device ID supported by ixgbe.
Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com>
Tested-by: Stephen Ko <stephen.s.ko@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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HW can upload EEPROM content from flash while
in a middle of checksum calculation. Take NVM ownership for the whole
process of checksum update.
Call ixgbe_read_eerd_generic() and ixgbe_write_eewr_generic() directly to
avoid double take of semaphores which leads to long loading times.
Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com>
Tested-by: Stephen Ko <stephen.s.ko@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Since msleep might not sleep for the desired amount when less
than 20ms use usleep_range.
Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com>
Tested-by: Stephen Ko <stephen.s.ko@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Disable KR to KX4/KX downshift on 82599 backplane devices when
LESM (Link Establishment State Machine) is enabled in FW. Those
features cannot co-exist as they both manipulate the same registers.
Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com>
Acked-by: Don Skidmore <donald.c.skidmore@intel.com>
Tested-by: Phillip Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Relaxed ordering can lead to issues with some chipsets.
This patch makes sure that it is disabled by default and
not only when DCA is on.
Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com>
Tested-by: Evan Swanson <evan.swanson@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Factored out the common start_hw code into a new function
ixgbe_start_hw_gen2() so that it can be used by x540 and 82599.
Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com>
Acked-by: Don Skidmore <donald.c.skidmore@intel.com>
Tested-by: Evan Swanson <evan.swanson@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Acked-by: Don Skidmore <donald.c.skidmore@intel.com>
Tested-by: Stephen Ko <stephen.s.ko@intel.com>
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Set ixgbe_identify_82599() as static
Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com>
Tested-by: Stephen Ko <stephen.s.ko@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Some 82598 parts have LAN0 disabled and LAN1 enabled and the LAN ID bits in
Device Status register report the NIC as having only LAN1 as enabled. This
causes ixgbe_set_lan_id_multi_port_pcie() to set bus->func = 1 which is
incorrect.
Force bus->func to 0 when LAN0 is disabled in the EEPROM.
Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com>
Tested-by: Evan Swanson <evan.swanson@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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The value of status was incorrectly tested. Also whitespace cleanup.
Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com>
Tested-by: Evan Swanson <evan.swanson@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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With the app data on the kernel dcb_app list we no longer
need to specifically handle them in ixgbe for the CEE case.
So now we can remove app handling logic and check when the
hw is configured if the app data matches the hardware
configuration in set_hw_all().
If it does not match then we can reconfigure.
Signed-off-by: John Fastabend <john.r.fastabend@intel.com>
Tested-by: Ross Brattain <ross.b.brattain@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Based on a patch from Naga Chumbalkar <nagananda.chumbalkar@hp.com>:
If ASPM L0s needs to be disabled due to HW errata, do it prior to
"enabling" the device. This way if the kernel ever defaults its
aspm_policy to POLICY_POWERSAVE, then the e1000e driver will get a
chance to disable ASPM on the misbehaving device *prior* to calling
pci_enable_device_mem(). This will be useful in situations
where the BIOS indicates ASPM support on the server by clearing the
ACPI FADT "ASPM Controls" bit.
Note:
The kernel (2.6.38) currently uses the BIOS "default" as its aspm_policy.
However, Linux distros can diverge from that and set the default to
"powersave".
v2: o cleanup namespace pollution of e1000e_disable_aspm(),
o fix type and initialization of the new aspm_disable_flag in a few
functions, and
o redefine FLAG2_DISABLE_ASPM_L0S to the first unused bit in
adapter->flags2.
Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Cc: Naga Chumbalkar <nagananda.chumbalkar@hp.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Just move the unlock down a bit because it unlocks too
early leaving a chance for get_stats64() run in parallel
while it is still accessing the stats.
Signed-off-by: Flavio Leitner <fleitner@redhat.com>
Acked-by: Bruce Allan <bruce.w.allan@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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This switches the e1000e driver to use the new VLAN interfaces.
CC: Jesse Gross <jesse@nicira.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Tested-by: Jeff Pieper <jeffrey.e.pieper@intel.com>
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Correct the log message when driver loads.
Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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With durations less than 20ms, the jiffies or legacy timer backed msleep()
may sleep ~20ms which might not be what the caller expects. Instead, it
is recommended to use the hrtimers backed usleep_range(). For more, see
Documentation/timers/timers-howto.txt. Issues reported by checkpatch.
In addition, remove unnecessary sleep in e1000e_write_nvm_spi().
Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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The code for thermal sensor checking should be wrapped into a function.
Signed-off-by: Stefan Assmann <sassmann@kpanic.de>
Tested-by: Jeff Pieper <jeffrey.e.pieper@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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