Commit Graph

6631 Commits

Author SHA1 Message Date
Alexander Duyck 87397379d5 ixgbe: Force QDE via PFQDE for VFs during reset
This change makes it so that the QDE bits are set for a VF before the Rx
queues are enabled.  As such we avoid head of line blocking in the event
that the VF stops cleaning Rx descriptors for whatever reason.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>

 drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c |   14 ++++++++++++++
 drivers/net/ethernet/intel/ixgbe/ixgbe_type.h  |    7 ++++---
 2 files changed, 18 insertions(+), 3 deletions(-)
Signed-off-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-15 21:48:18 -08:00
Ivan Vecera ba42fad096 be2net: add dma_mapping_error() check for dma_map_page()
The driver does not check value returned by dma_map_page. The patch
fixes this.

v2: Removed the bugfix for non-bug ;-) (thanks Sathya)

Signed-off-by: Ivan Vecera <ivecera@redhat.com>
Acked-by: Sathya Perla <Sathya.perla@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-15 16:50:32 -08:00
Yuval Mintz d9aee591b0 bnx2x: Don't release PCI bars on shutdown
The bnx2x driver in its pci shutdown() callback releases its pci bars (in the
same manner it does during its pci remove() callback).
During a system reboot while VFs are enabled, its possible for the VF's remove
to be called (as a result of pci_disable_sriov()) after its shutdown callback
has already finished running; This will cause a paging request fault as the VF
tries to access the pci bar which it has previously released, crashing the
system.

This patch further differentiates the shutdown and remove callbacks, preventing the
pci release procedures from being called during shutdown.

Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-15 16:48:34 -08:00
Sathya Perla 5e5110183b be2net: update driver version to 10.0.x
Signed-off-by: Sathya Perla <sathya.perla@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-15 15:52:03 -08:00
Suresh Reddy 76a9e08e33 be2net: cleanup wake-on-lan code
This patch cleans-up wake-on-lan code in the following ways:
1) Removes some driver hacks in be_cmd_get_acpi_wol_cap() that were based
on incorrect assumptions.
2) Uses the adapter->wol_en and wol_cap variables for checking if WoL
is supported and enabled on an interface instead of referring to the
exclusion list via the macro be_is_wol_supported()

Signed-off-by: Suresh Reddy <suresh.reddy@emulex.com>
Signed-off-by: Sathya Perla <sathya.perla@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-15 15:52:03 -08:00
Suresh Reddy b188f0907a be2net: use GET_MAC_LIST cmd to query mac-address from a pmac-id
The use of NTKW_MAC_QUERY cmd has been deprecated for Skyhawk-R.
Replace the last remaining usage in be_vfs_mac_query() routine.

Signed-off-by: Suresh Reddy <suresh.reddy@emulex.com>
Signed-off-by: Sathya Perla <sathya.perla@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-15 15:52:03 -08:00
Suresh Reddy 0b0ef1d027 be2net: do not use frag index in the RX-compl entry
Instead, use the tail of the RXQ to pick the associated RXQ entry

This fix is required in preparation for supporting RXQ lengths greater than 1K.
For such queues, the frag index in the RX-compl entry is not valid as it is only a 10 bit entry not capable of addressing RXQs longer than 1K.

Signed-off-by: Suresh Reddy <suresh.reddy@emulex.com>
Signed-off-by: Sathya Perla <sathya.perla@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-15 15:52:03 -08:00
Suresh Reddy f3effb45c3 be2net: Remove "10Gbps" from driver description string
As be2net is used even by the 40Gbps Skyhawk-R chip

Signed-off-by: Suresh Reddy <suresh.reddy@emulex.com>
Signed-off-by: Sathya Perla <sathya.perla@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-15 15:52:02 -08:00
Suresh Reddy 02308d749f be2net: fix incorrect setting of cmd_privileges for VFs
An earlier commit (f25b119c "Fix error messages while driver load for VFs")
incorrectly set the adapter->cmd_privileges value for VFs (in a
multi-channel config) to MAX_PRIVILEGES. This causes FW cmd failures
and avoidable error logs when certian cmds are issued by a VF.
Also, move the multi-channel hack to be_cmds.c inside
be_cmd_get_fn_privileges() routine.

Fixes: f25b119c "Fix error messages while driver load for VFs"

Signed-off-by: Suresh Reddy <suresh.reddy@emulex.com>
Signed-off-by: Sathya Perla <sathya.perla@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-15 15:52:02 -08:00
Vasundhara Volam ff32f8abbe be2net: ignore mac-addr set call for an already programmed mac-addr
An ndo_set_mac_addr() call may be issued for a mac-addr that is already
active on an interface. If so, silently ignore the request. Sending such
a request to the FW, causes a "mac collision" error. The error is harmless
but is avoidable noise in the kernel log.

Signed-off-by: Vasundhara Volam <vasundhara.volam@emulex.com>
Signed-off-by: Sathya Perla <sathya.perla@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-15 15:52:02 -08:00
Vasundhara Volam baaa08d148 be2net: do not call be_set/get_fw_log_level() on Skyhawk-R
Skyhawk-R FW does not support SET/GET_EXT_FAT_CAPABILITIES cmds via which
FW logging level can be controlled. Also, the hack used in BE3 to control
FW logging level via the ethtool interface is not needed in Skyhawk-R.

This patch also cleans up this code by moving be_set/get_fw_log_level()
routines to be_cmds.c where they belong.

Signed-off-by: Vasundhara Volam <vasundhara.volam@emulex.com>

remove new line
Signed-off-by: Sathya Perla <sathya.perla@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-15 15:52:02 -08:00
Vasundhara Volam 542963b7d7 be2net: Log the profile-id used by FW during driver initialization
Signed-off-by: Vasundhara Volam <vasundhara.volam@emulex.com>
Signed-off-by: Sathya Perla <sathya.perla@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-15 15:52:02 -08:00
Vasundhara Volam 2c07c1d7da be2net: don't set "pport" field when querying "pvid"
In the GET_HSW_CONFIG cmd, the "pport" field must be set only while
querying the switch mode.  When the "pport" field is set, the
"interface_id" field must be set to the port number, otherwise, it
must be set to adapter->if_handle.

Signed-off-by: Vasundhara Volam <vasundhara.volam@emulex.com>
Signed-off-by: Sathya Perla <sathya.perla@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-15 15:52:02 -08:00
Vasundhara Volam 666d39c748 be2net: Use MCC_CREATE_EXT_V1 cmd for Skyhawk-R
Currently this cmd is used only for Lancer.
MCC_CREATE_EXT_V1 supports larger CQ-ids and additional event codes for the
async_event_bitmap field.

Signed-off-by: Vasundhara Volam <vasundhara.volam@emulex.com>
Signed-off-by: Sathya Perla <sathya.perla@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-15 15:52:02 -08:00
Richard Weinberger a926592f5e net,via-rhine: Fix tx_timeout handling
rhine_reset_task() misses to disable the tx scheduler upon reset,
this can lead to a crash if work is still scheduled while we're resetting
the tx queue.

Fixes:
[   93.591707] BUG: unable to handle kernel NULL pointer dereference at 0000004c
[   93.595514] IP: [<c119d10d>] rhine_napipoll+0x491/0x6

Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-15 15:21:08 -08:00
Vince Bridgers b93819854d stmmac: Add vlan rx for better GRO performance.
GRO requires VLANs to be removed before aggregation can occur.
The Synopsys EMAC does not strip VLAN tags so this must be
done by the driver.

Signed-off-by: Vince Bridgers <vbridgers2013@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-15 15:13:08 -08:00
stephen hemminger 8d448b86f5 bnx2x: fix sparse warning
Fix new sparse warning about function declared static.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-15 15:06:47 -08:00
Richard Weinberger af1f2d78b1 net,marvell: Add dependency on HAS_IOMEM
On archs like S390 or um this driver cannot build nor work.
Make it depend on HAS_IOMEM to bypass build failures.

drivers/built-in.o: In function `orion_mdio_probe':
drivers/net/ethernet/marvell/mvmdio.c:228: undefined reference to `devm_ioremap'

Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-15 14:51:22 -08:00
Claudiu Manoil 42851e88a7 gianfar: Fix portabilty issues for ethtool and ptp
Fixes unhandled register write in gianfar_ethtool.c.
Fixes following endianess related functional issues,
reported by sparse as well, i.e.:

gianfar_ethtool.c:1058:33: warning:
    incorrect type in argument 1 (different base types)
    expected unsigned int [unsigned] [usertype] value
    got restricted __be32 [usertype] ip4src

gianfar_ethtool.c:1164:33: warning:
    restricted __be16 degrades to integer

gianfar_ethtool.c:1669:32: warning:
    invalid assignment: ^=
    left side has type restricted __be16
    right side has type int

Solves all the sparse warnings for mixig normal pointers
with __iomem pointers for gianfar_ptp.c, i.e.:
gianfar_ptp.c:163:32: warning:
    incorrect type in argument 1 (different address spaces)
    expected unsigned int [noderef] <asn:2>*addr
    got unsigned int *<noident>

Signed-off-by: Claudiu Manoil <claudiu.manoil@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-15 14:39:25 -08:00
Julia Lawall 9895c503ef ksz884x: delete useless variable
Delete a variable that is at most only assigned to a constant, but never
used otherwise.  In this code, it is the variable result that is used for
the return code, not rc.

A simplified version of the semantic patch that fixes this problem is as
follows: (http://coccinelle.lip6.fr/)

// <smpl>
@@
type T;
identifier i;
constant c;
@@

-T i;
<... when != i
-i = c;
...>
// </smpl>

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-15 13:43:03 -08:00
Greg Rose 8d82a7c5d8 i40e: Retain MAC filters on port VLAN deletion
On port VLAN deletion the list of MAC filters for the virtual function (VF)
VSI were all deleted.  Let's keep them around, they come in handy for keeping
the VF functional.

Change-Id: I335e760392f274dc8b8b40efcb708f65b49d7973
Signed-off-by: Greg Rose <gregory.v.rose@intel.com>
Tested-by: Sibai Li <sibai.li@intel.com>
Signed-off-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-15 00:00:27 -08:00
Greg Rose 99a4973c40 i40e: Warn admin to reload VF driver on port VLAN configuration
The i40e Physical Function (PF) driver will allow the
 Virtual Function (VF) driver to configure its own VLAN filters if no port
 VLAN filter has been configured.  This leads to the possibility of the
 administrator setting a port VLAN filter for the VF after the VF has already
 configured its own VLAN filters.  This leads to a conflict that can only be
 resolved by reloading the VF driver.  When the conflicting administrative
 command is detected in setting the port VLAN then log a message indicating to
 the system administrator that he must now reload the VF driver for the new
 port VLAN settings to take effect.

Change-Id: I8de73b885d944a043aff32226297e4249862bcad
Signed-off-by: Greg Rose <gregory.v.rose@intel.com>
Tested-by: Sibai Li <sibai.li@intel.com>
Signed-off-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-15 00:00:27 -08:00
Jitendra Kalsaria 51bb352f15 qlge: Fix vlan netdev features.
vlan gets the same netdev features except vlan filter.

Signed-off-by: Jitendra Kalsaria <jitendra.kalsaria@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-14 19:02:35 -08:00
Mark Rustad b0483c8f36 ixgbe: Additional adapter removal checks
Additional checks are needed for a detected removal not to cause
problems. Some involve simply avoiding a lot of stuff that can't
do anything good, and also cases where the phony return value can
cause problems. In addition, down the adapter when the removal is
sensed.

Signed-off-by: Mark Rustad <mark.d.rustad@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-14 18:59:17 -08:00
Mark Rustad b12babd4d0 ixgbe: Check for adapter removal on register writes
Prevent writes to an adapter that has been detected as removed
by a previous failing read. This also fixes some include file
ordering confusion that this patch revealed.

Signed-off-by: Mark Rustad <mark.d.rustad@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-14 18:59:17 -08:00
Mark Rustad 2a1a091c1f ixgbe: Check register reads for adapter removal
Check all register reads for adapter removal by checking the status
register after any register read that returns 0xFFFFFFFF. Since the
status register will never return 0xFFFFFFFF unless the adapter is
removed, such a value from a status register read confirms the
removal.

Signed-off-by: Mark Rustad <mark.d.rustad@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-14 18:59:17 -08:00
Mark Rustad 49bde31966 ixgbe: Make ethtool register test use accessors
Make the ethtool register test use the normal register accessor
functions. Also eliminate macros used for calling register test
functions to make error exits clearer. Use boolean values for
boolean returns instead of 0 and 1.

Signed-off-by: Mark Rustad <mark.d.rustad@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-14 18:59:17 -08:00
Mark Rustad 84227bcd9c ixgbe: Use static inlines instead of macros
Kernel coding standard prefers static inline functions instead
of macros, so use them for register accessors. This is to prepare
for adding LER, Live Error Recovery, checks to those accessors.

Temporarily provide macros for calling the new static inline
accessors until all references are changed.

Signed-off-by: Mark Rustad <mark.d.rustad@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-14 18:59:17 -08:00
Mark Rustad c3049c8f25 ixbge: Protect ixgbe_down with __IXGBE_DOWN bit
The ixgbe_down function can now prevent multiple executions by
doing test_and_set_bit on __IXGBE_DOWN. This did not work before
introduction of the __IXGBE_REMOVING bit, because of overloading
of __IXGBE_DOWN. Also add smp_mb__before_clear_bit call before
clearing the __IXGBE_DOWN bit.

Signed-off-by: Mark Rustad <mark.d.rustad@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-14 18:59:17 -08:00
Mark Rustad 09f40aeddd ixgbe: Indicate removal state explicitly
Add a bit, __IXGBE_REMOVING, to indicate that the module is being
removed. The __IXGBE_DOWN bit had been overloaded for this purpose,
but that leads to trouble. A few places now check both __IXGBE_DOWN
and __IXGBE_REMOVE. Notably, setting either bit will prevent service
task execution.

Signed-off-by: Mark Rustad <mark.d.rustad@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-14 18:59:17 -08:00
Catherine Sullivan 962dd666a3 i40e: Bump version number
Update the driver version to 0.3.30-k.

Signed-off-by: Catherine Sullivan <catherine.sullivan@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-14 18:56:01 -08:00
Jesse Brandeburg b3df6e1e02 i40e: trivial cleanup
Remove some un-necessary parenthesis.

Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-14 18:56:00 -08:00
Jesse Brandeburg 6838b535e1 i40e: whitespace fixes
Fix some whitespace and comment issues.

Change-ID: I1587599e50ce66fd389965720e86f9e331d86643
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-14 18:56:00 -08:00
Mitch Williams d419499678 i40e: make message meaningful
Make this message mean something, rather than just spitting out a VSI id
without any context whatsoever.

Change-ID: Iafb906c6db46d4b5dcbe84adc9ed44730d08bd42
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Sibai Li <sibai.li@intel.com>
Signed-off-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-14 18:56:00 -08:00
Shannon Nelson 9d8bf54723 i40e: associate VMDq queue with VM type
Fix a bug where the queue was not associated with the right set-up
within the hardware.  The fix is to use the right QTX_CTL VSI type
when associating it to the VSI.

Change-ID: I65ef6c5a8205601c640a6593e4b7e78d6ba45545
Signed-off-by: Shannon Nelson <shannon.nelson@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Sibai Li <sibai.li@intel.com>
Signed-off-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-14 18:56:00 -08:00
Mitch Williams bae3cae46d i40e: remove extra register write
This write done at the end of VF reset and should not be performed here.

Change-ID: I4d89813b68c6173184293868a6f26cf559bc2405
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-14 18:56:00 -08:00
Florian Fainelli 5571415c96 bgmac: propagate error codes in bgmac_probe()
bgmac_mii_register() and register_netdev() both return appropriate error
codes for the failures they would encounter, propagate this error code
instead of overriding the value with -ENOTSUPP which is not the correct
error code to return.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Acked-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-14 18:19:20 -08:00
Sabrina Dubroca e3d21ea1a1 atl1: update statistics code
As Ben Hutchings pointed out for the stats in alx, some
hardware-specific stats aren't matched to the right net_device_stats
field. Also fix the collision field and include errors in the total
number of RX/TX packets. Add a rx_dropped field and use it where
netdev->stats was modified directly out of the stats update function.

Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-14 17:18:06 -08:00
Sabrina Dubroca fb3a42fc39 atl1e: update statistics code
As Ben Hutchings pointed out for the stats in alx, some
hardware-specific stats aren't matched to the right net_device_stats
field. Also fix the collision field and include errors in the total
number of RX/TX packets.

Minor whitespace fixes to match the style in alx.

Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Reviewed-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-14 17:18:05 -08:00
Sabrina Dubroca 8560258f0e atl1c: update statistics code
As Ben Hutchings pointed out for the stats in alx, some
hardware-specific stats aren't matched to the right net_device_stats
field. Also fix the collision field and include errors in the total
number of RX/TX packets.

Minor whitespace fixes to match the style in alx.

Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Reviewed-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-14 17:18:05 -08:00
Geert Uytterhoeven 88bfe6ea00 net: Spelling s/transmition/transmission/
Signed-off-by: Geert Uytterhoeven <geert+renesas@linux-m68k.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-14 17:11:26 -08:00
Geert Uytterhoeven f187055964 net: amd8111e: Spelling s/recive/receive/
Signed-off-by: Geert Uytterhoeven <geert+renesas@linux-m68k.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-14 17:11:25 -08:00
Yuval Mintz c14db20259 bnx2x: Correct default Tx switching behaviour
With this patch bnx2x will configure the PF to perform Tx switching on
out-going traffic as soon as SR-IOV is dynamically enabled and de-activate
it when it is disabled.
This will allow VFs to communicate with their parent PFs.

Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-14 17:10:30 -08:00
David S. Miller 0a379e21c5 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2014-01-14 14:42:42 -08:00
Matan Barak 4de6580360 mlx4_core: Add support for steerable IB UD QPs
This patch adds support for allocating IB UD QPs that we can steer
traffic from.  We introduce a new firmware command FLOW_STEERING_IB_UC_QP_RANGE
and a capability bit.

This command isn't supported for VFs.

Signed-off-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
2014-01-14 14:06:50 -08:00
Dan Carpenter 24e42754f6 mlx5_core: Remove dead code
Remove leftover of debug code.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
2014-01-14 13:54:23 -08:00
dingtianhong ae237b3ede net: 3com: fix warning for incorrect type in argument
The commit c466a9b2b3
(net: 3com: slight optimization of addr compare)
cause a warning: "passing argument 1 of 'ether_addr_equal'
from incompatible pointer type", so fix it.

I think julia will convert ether_addr_equal to ether_addr_equal_64bits later.

Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Ding Tianhong <dingtianhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-13 23:30:35 -08:00
dingtianhong e2072cdfb5 net: qlcnic: fix warning for incorrect type in argument
The commit 6878f79a8b
(net: qlcnic: slight optimization of addr compare)
cause a warning "sparse: incorrect type in argument 2
(different type sizes)", so fix it.

I think julia will convert ether_addr_equal to ether_addr_equal_64bits later.

Cc: Himanshu Madhani <himanshu.madhani@qlogic.com>
Cc: Rajesh Borundia <rajesh.borundia@qlogic.com>
Signed-off-by: Ding Tianhong <dingtianhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-13 23:30:35 -08:00
Sergei Shtylyov 090d560fc4 sh_eth: fix garbled TX error message
sh_eth_error() in case of a TX error tries to print a message using 2 dev_err()
calls with the first string not finished by '\n', so that the resulting message
would inevitably come out garbled, with something like "3net eth0: " inserted
in the middle.  Avoid that by merging 2 calls into one.

While at it, insert an empty line after the nearby declaration.

Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-13 23:28:48 -08:00
Shahed Shaikh db5ee75d1e qlcnic: Update version to 5.3.54
Signed-off-by: Shahed Shaikh <shahed.shaikh@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-13 15:31:19 -08:00
Shahed Shaikh e4f8bf830a qlcnic: Enable IPv6 LRO even if IP address is not programmed
o Enabling BIT_9 while configuring hardware LRO allows adapter to
  perform LRO even if destination IP address is not programmed in adapter.

Signed-off-by: Shahed Shaikh <shahed.shaikh@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-13 15:31:19 -08:00
Manish Chopra 6e1f586d31 qlcnic: Fix SR-IOV cleanup code path
o Add __QLCNIC_SRIOV_ENABLE bit check before doing SRIOV cleanup

Signed-off-by: Manish Chopra <manish.chopra@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-13 15:31:19 -08:00
Himanshu Madhani a04315893d qlcnic: Enable beaconing for 83xx/84xx Series adapter.
o Refactored code to handle beaconing test for all adapters.
o Use GET_LED_CONFIG mailbox command for 83xx/84xx series adapter
  to detect current beaconing state of the adapter.

Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-13 15:31:19 -08:00
Sucheta Chakraborty b3f7de8327 qlcnic: Do MAC learning for SRIOV PF.
o MAC learning will be done for SRIOV PF to help program VLAN filters
  onto adapter. This will help VNIC traffic to flow through without
  flooding traffic.

Signed-off-by: Sucheta Chakraborty <sucheta.chakraborty@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-13 15:31:18 -08:00
Sucheta Chakraborty 9eb0948af7 qlcnic: Turn on promiscous mode for SRIOV PF.
o By default, SRIOV PF will have promiscous mode on.

Signed-off-by: Sucheta Chakraborty <sucheta.chakraborty@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-13 15:31:18 -08:00
Sucheta Chakraborty 820b52fd80 qlcnic: Enable VF flood bit on PF.
o On enabling VF flood bit, PF driver will  be able to receive traffic
  from all its VFs.

Signed-off-by: Sucheta Chakraborty <sucheta.chakraborty@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-13 15:31:18 -08:00
Sucheta Chakraborty 1414abea04 qlcnic: Restrict VF from configuring any VLAN mode.
o Adapter should allow vlan traffic only for vlans configured on a VF.
  On configuring any vlan mode from VF, adapter will allow any vlan
  traffic to pass for that VF. Do not allow VF to configure this mode.

Signed-off-by: Sucheta Chakraborty <sucheta.chakraborty@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-13 15:31:18 -08:00
stephen hemminger a8f47eb701 bnx2x: namespace and dead code cleanups
Fix a bunch of whole lot of namespace issues with the Broadcom bnx2x driver
found by running 'make namespacecheck'

 * global variables must be prefixed with bnx2x_
    naming a variable int_mode, or num_queue is invitation to disaster

 * make local functions static

 * move some inline's used in one file out of header
   (this driver has a bad case of inline-itis)

 * remove resulting dead code fallout
 	 bnx2x_pfc_statistic,
	 bnx2x_emac_get_pfc_stat
 	 bnx2x_init_vlan_mac_obj,
   Looks like vlan mac support in this driver was a botch from day one
   either never worked, or not implemented or missing support functions

Compile tested only.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-13 11:59:47 -08:00
Pankaj Dubey 6bc21eedcf drivers: net: silence compiler warning in smc91x.c
If used 64 bit compiler GCC warns that:

drivers/net/ethernet/smsc/smc91x.c:1897:7:
warning: cast from pointer to integer of different
size [-Wpointer-to-int-cast]

This patch fixes this by changing typecast from "unsigned int" to "unsigned long"

CC: "David S. Miller" <davem@davemloft.net>
CC: Jingoo Han <jg1.han@samsung.com>
CC: netdev@vger.kernel.org
Signed-off-by: Pankaj Dubey <pankaj.dubey@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-13 11:54:43 -08:00
Eric Dumazet e6a7675829 net/mlx4_en: call gro handler for encapsulated frames
In order to use the native GRO handling of encapsulated protocols on
mlx4, we need to call napi_gro_receive() instead of netif_receive_skb()
unless busy polling is in action.

While we are at it, rename mlx4_en_cq_ll_polling() to
mlx4_en_cq_busy_polling()

Tested with GRE tunnel : GRO aggregation is now performed on the
ethernet device instead of being done later on gre device.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Amir Vadai <amirv@mellanox.com>
Cc: Jerry Chu <hkchu@google.com>
Cc: Or Gerlitz <ogerlitz@mellanox.com>
Acked-By: Amir Vadai <amirv@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-13 11:41:47 -08:00
Joe Perches f3c0773ff2 qlcnic: Convert vmalloc/memset to kcalloc
vmalloc is a limited resource.  Don't use it unnecessarily.

It seems this allocation should work with kcalloc.

Remove unnecessary memset(,0,) of buf as it's completely
overwritten as the previously only unset field in
struct qlcnic_pci_func_cfg is now set to 0.

Use kfree instead of vfree.
Use ETH_ALEN instead of 6.

Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Jitendra Kalsaria <jitendra.kalsaria@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-13 11:17:31 -08:00
Dan Carpenter 9ef9730ba8 cxgb4: silence shift wrapping static checker warning
I don't know how large "tp->vlan_shift" is but static checkers worry
about shift wrapping bugs here.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Dimitris Michailidis <dm@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-13 11:15:58 -08:00
Sabrina Dubroca b7e6ce18cb alx: add stats to ethtool
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Reviewed-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-11 20:52:59 -08:00
Sabrina Dubroca f1b6b1062a alx: add alx_get_stats64 operation
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Reviewed-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-11 20:52:58 -08:00
Sabrina Dubroca 5665dc6488 alx: add stats update function
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-11 20:52:58 -08:00
Sabrina Dubroca ac45a23c53 alx: add constants for the stats fields
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-11 20:52:58 -08:00
Sabrina Dubroca 19f6626469 alx: add a hardware stats structure
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-11 20:52:58 -08:00
Paul Gortmaker 7ed3f5f010 i40evf: fix s390 build failure due to implicit prefetch.h
As of commit 7f12ad741a ("i40evf: transmit
and receive functionality") the s390 builds (allyesconfig) fail with:

drivers/net/ethernet/intel/i40evf/i40e_txrx.c: In function 'i40e_clean_rx_irq':
drivers/net/ethernet/intel/i40evf/i40e_txrx.c:818:3: error: implicit declaration of function 'prefetch'
make[5]: *** [drivers/net/ethernet/intel/i40evf/i40e_txrx.o] Error 1

due to an implicit assumption that the prototype from linux/prefetch.h
will be present.

Cc: Mitch Williams <mitch.a.williams@intel.com>
Cc: Greg Rose <gregory.v.rose@intel.com>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Acked-by: Shannon Nelson <shannon.nelson@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-10 16:41:18 -08:00
Catherine Sullivan 3029ff04a5 i40e: Bump version
Update the driver version to 0.3.28-k.

Signed-off-by: Catherine Sullivan <catherine.sullivan@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-10 16:41:18 -08:00
Shannon Nelson c07019e4a4 i40e: fix log message wording
Change the redundant "vsi VSI" to VSI.

Change-ID: Ic16ea5820a99abc7831713cde39e7d032a7ba4d3
Signed-off-by: Shannon Nelson <shannon.nelson@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-10 16:41:17 -08:00
Jacob Keller beb0dff125 i40e: enable PTP
New feature: Enable PTP support in the i40e driver.

Change-ID: I6a8e799f582705191f9583afb1b9231a8db96cc8
Cc: Richard Cochran <richardcochran@gmail.com>
Cc: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: Matthew Vick <matthew.vick@intel.com>
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-10 16:33:39 -08:00
Shannon Nelson 6ff4ef86be i40e: call clear_pxe after adminq is initialized
In the latest firmware the clear_pxe_mode function will use the
AdminQ request, so call this after AdminQ is set up rather than
relying on i40e_pf_reset() to clear the PXE mode.

Change-ID: Ice8cba2e9cbc3c7bde0a0bcf8eaf5009abef040b
Signed-off-by: Shannon Nelson <shannon.nelson@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-10 16:30:35 -08:00
Shannon Nelson c5c9eb9e78 i40e: clear qtx_head before enabling Tx queue
Make sure the "new" qtx_head[q] register is cleared before
enabling the Tx queue.

Change-ID: I0c7a12815e343a5ae68807af172a35d6c6857935
Signed-off-by: Shannon Nelson <shannon.nelson@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-10 16:30:35 -08:00
Shannon Nelson 3126dcb736 i40e: adjust ITR max and min values
Set the ITR max and min values to match the hardware max value
and the recommended min value.  These values are shifted right
one bit because the register counts in 2 usec units, so leave
a comment to explain.

Change-ID: I289c27955cf6c566a6d21b95c3110b88cbb15dad
Signed-off-by: Shannon Nelson <shannon.nelson@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-10 16:30:35 -08:00
Shannon Nelson 8ee75a8ed0 i40e: check for possible incorrect ipv6 checksum
If the IPV6EXADD bit is set in the Rx descriptor status, there
was an optional extension header with an alternate IP address
detected.  The HW checksum offload doesn't handle the alternate
IP address correctly so likely comes up with the wrong answer.
Thus, if the bit is set we ignore the checksum offload value.

Change-ID: I70ff8d38cdcddccf44107691cae13d0c07c284c8
Signed-off-by: Shannon Nelson <shannon.nelson@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-10 16:30:34 -08:00
Mitch Williams 700bbf6c1f i40e: allow VF to remove any MAC filter
If you use ip to change the MAC address of a VF while the VF
driver is loaded, closing the VF interface or unloading the VF
driver will cause the VF driver to remove the MAC filter for its
original (now invalid) MAC address. This would cause the PF
driver to kick an error message to the log, and back to the VF
driver.

Since the VF driver has not really done anything naughty, let's
not punish it. Don't check for MAC address overrides on the
delete operation, just make sure it's a valid address. This keeps
us from spamming the log with confusing errors.

Change-ID: I1f051bd4014e50855457d928c9ee8b0766981b2f
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-10 16:30:34 -08:00
Anjali Singhai Jain 3b867b28ce i40e: do not bail when disabling if Tx queue disable fails
Fix a bug where the driver was erroneously exiting the driver unload
path if one part of the unload failed.  Instead of the original way
the driver should always continue when disabling and be sure to disable
all queues.

Change-ID: Ib8c81c596bc87c31d8e9ca97ebf871168475279d
Signed-off-by: Anjali Singhai Jain <anjali.singhai@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-10 16:30:34 -08:00
Anjali Singhai Jain 5f90f42298 i40e: Setting queue count to 1 using ethtool is valid
Fix a bug where ethtool set-channels would return failure when configuring
only one Rx queue.

Change-ID: Id833c48c17d71e352b30f3249f6acf9e7aaec57e
Signed-off-by: Anjali Singhai Jain <anjali.singhai@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-10 16:30:33 -08:00
Jeff Kirsher 98d44381e0 i40e: Cleanup Doxygen warnings
These changes make Doxygen/kdoc work correctly without warnings.

Change-ID: I2941f38860be805ff7548d84dae35754c83f1d62
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
2014-01-10 16:30:33 -08:00
Mitch Williams 885552a2cd i40e: fix long lines
Avoid over-length lines in order to appease checkpatch.

Change-ID: I63820a710acf798f49d2f85c610228711af84f72
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-10 16:30:32 -08:00
Catherine Sullivan 21aa56758a i40e: Bump version
Update driver version to 0.3.27-k

Signed-off-by: Catherine Sullivan <catherine.sullivan@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-10 16:30:32 -08:00
Anjali Singhai Jain 4eb6f11d75 i40e: Update the Current NVM version Low value
The current driver will warn the user if the NVM version
is out of date, this raises the bar to a newer version.

Change-ID: I5ec21d8efa4e7c3fdacb56f85d310bb2229b1483
Signed-off-by: Anjali Singhai Jain <anjali.singhai@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-10 16:30:32 -08:00
Jesse Brandeburg c8e3c583ce i40e: drop unused macros
A previous commit removed any need for these macros, so remove
them too.

Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-10 16:30:31 -08:00
Mitch Williams c36bd4a7ce i40e: use assignment instead of memcpy
These instances were found by coccinelle/spatch, and can
use struct assignment instead of memcpy.

Change-ID: Idc23c3599241bf8a658bda18c80417af3fbfee66
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Sibai Li <sibai.li@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-10 16:30:31 -08:00
Shahed Shaikh d6e9c89a8d qlcnic: Fix ethtool statistics length calculation
o Consider number of Tx queues while calculating the length of
  Tx statistics as part of ethtool stats.
o Calculate statistics lenght properly for 82xx and 83xx adapter

Signed-off-by: Shahed Shaikh <shahed.shaikh@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-10 13:25:29 -05:00
Manish Chopra 1ac6762a0b qlcnic: Fix bug in TX statistics
o Driver was not updating TX stats so it was not populating
  statistics in `ifconfig` command output.

Signed-off-by: Manish Chopra <manish.chopra@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-10 13:25:29 -05:00
Jason Wang f663dd9aaf net: core: explicitly select a txq before doing l2 forwarding
Currently, the tx queue were selected implicitly in ndo_dfwd_start_xmit(). The
will cause several issues:

- NETIF_F_LLTX were removed for macvlan, so txq lock were done for macvlan
  instead of lower device which misses the necessary txq synchronization for
  lower device such as txq stopping or frozen required by dev watchdog or
  control path.
- dev_hard_start_xmit() was called with NULL txq which bypasses the net device
  watchdog.
- dev_hard_start_xmit() does not check txq everywhere which will lead a crash
  when tso is disabled for lower device.

Fix this by explicitly introducing a new param for .ndo_select_queue() for just
selecting queues in the case of l2 forwarding offload. netdev_pick_tx() was also
extended to accept this parameter and dev_queue_xmit_accel() was used to do l2
forwarding transmission.

With this fixes, NETIF_F_LLTX could be preserved for macvlan and there's no need
to check txq against NULL in dev_hard_start_xmit(). Also there's no need to keep
a dedicated ndo_dfwd_start_xmit() and we can just reuse the code of
dev_queue_xmit() to do the transmission.

In the future, it was also required for macvtap l2 forwarding support since it
provides a necessary synchronization method.

Cc: John Fastabend <john.r.fastabend@intel.com>
Cc: Neil Horman <nhorman@tuxdriver.com>
Cc: e1000-devel@lists.sourceforge.net
Signed-off-by: Jason Wang <jasowang@redhat.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Acked-by: John Fastabend <john.r.fastabend@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-10 13:23:08 -05:00
Michal Schmidt 95e92fd40c bnx2x: fix DMA unmapping of TSO split BDs
bnx2x triggers warnings with CONFIG_DMA_API_DEBUG=y:

  WARNING: CPU: 0 PID: 2253 at lib/dma-debug.c:887 check_unmap+0xf8/0x920()
  bnx2x 0000:28:00.0: DMA-API: device driver frees DMA memory with
  different size [device address=0x00000000da2b389e] [map size=1490 bytes]
  [unmap size=66 bytes]

The reason is that bnx2x splits a TSO BD into two BDs (headers + data)
using one DMA mapping for both, but it uses only the length of the first
BD when unmapping.

This patch fixes the bug by unmapping the whole length of the two BDs.

Signed-off-by: Michal Schmidt <mschmidt@redhat.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Acked-by: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-10 13:18:07 -05:00
Hariprasad Shenai 451cd14e08 cxgb4: Changed FW check version to match FW binary version
Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-09 22:58:18 -05:00
Yuval Mintz 9a2620c877 bnx2x: prevent WARN during driver unload
Starting with commit 80c33dd "net: add might_sleep() call to napi_disable"
bnx2x fails the might_sleep tests causing a stack trace to appear whenever
the driver is unloaded, as local_bh_disable() is being called before
napi_disable().

This changes the locking schematics related to CONFIG_NET_RX_BUSY_POLL,
preventing the need for calling local_bh_disable() and thus eliminating
the issue.

Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-09 21:46:06 -05:00
Catherine Sullivan 2050bc658c i40e: Turn flow director off in MFP mode
The driver needs to set the MFP flag earlier in i40e_sw_init
and then can use that flag to decide if other hardware
work-arouds are required.

Change-ID: Ib17ad1e3485f57b28845ab4722294a99f203bd48
Signed-off-by: Catherine Sullivan <catherine.sullivan@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-09 03:35:48 -08:00
Jesse Brandeburg c35a1d7fde i40e: Add a dummy packet template
The hardware requires a full packet template to be pointed to when adding
hardware flow filters.  This patch adds the template and uses it for
programming filters.

Change-ID: I09db9f4ab0207ca9c520ae36596d74e1a0663ae5
Signed-off-by: Anjali Singhai Jain <anjali.singhai@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-09 03:29:15 -08:00
Jesse Brandeburg 4dda12e61b i40e: fix spelling errors
This patch does s/rebuid/rebuild/.

Change-ID: I77ff0c26db3d23ca5dc971b82d71b4ed8c6bcc14
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-09 03:22:40 -08:00
Mitch Williams 829af3ac50 i40e: trivial: formatting and checkpatch fixes
Fix some badly formatted lines, long lines and a mis-formatted else.

Change-ID: Iac2eef064ae27c55a0c3d9c15c525bf8fed8ab6f
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-09 03:15:58 -08:00
Mitch Williams 420136cccb i40e: shorten wordy fields
The alloc_rx_buff_failed and alloc_rx_page_failed variables
are both part of an rx specific structure so just remove
the _rx part of the name.  No functional changes.

Change-ID: Icffa2f5d13c6f2b1e09cf45b9472b83c9dae8fc6
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-09 03:07:05 -08:00
Shannon Nelson 0467bc9151 i40e: accept pf to pf adminq messages
The admin queue can be used to send messages among the physical
function interfaces.  This adds the code to handle that case.

Change-ID: I0700fcc47e41433131a381f0eb72fc7b01b6bd87
Signed-off-by: Shannon Nelson <shannon.nelson@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-09 02:55:55 -08:00
Shannon Nelson ab954cba06 i40e: remove interrupt on AQ error
Since nearly everything we do is synchronous, using the interrupt-on-error bit
is unnecessary and causing unneeded interrupts.  If anyone wants to use the bit
they can turn it on in individual AQ requests using the cmd_details parameter.

Change-ID: I4690a9c561d3e0836aeadb4f88f8a8702b1d1366
Signed-off-by: Shannon Nelson <shannon.nelson@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-09 02:48:40 -08:00
Shannon Nelson ff2ff3b45e i40e: release NVM resource reservation on startup
Call AQ to release any reservation held by this PF on the NVM resource
lock on startup, in order to clear anything that might have been left over from
a previous run.  The lock is only cleared by the requestor calling for it to be
cleared, on power-on, or firmware reset.  This should help limit the need for
rebooting a customer machine if something goes wrong on a firmware update or
some other action.

Change-ID: I8c8473e601d4ef512dda7baa77a6e75f2e5fea49
Signed-off-by: Shannon Nelson <shannon.nelson@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-09 02:40:40 -08:00
Anjali Singhai Jain e734c1d826 i40e: Cleanup reconfig rss path
RSS initialization was doing some extra work, remove the extra
work and any bugs it created when managing number of queues.

Change-ID: Iea75b04a70d73ce76947b6a177ce89ab4899d4c6
Signed-off-by: Anjali Singhai Jain <anjali.singhai@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-09 02:33:58 -08:00
Jesse Brandeburg 3de0506dbb i40e: disable packet split
The driver and hardware support splitting packets on headers
but with the use of GRO we don't need the extra bus
overhead, so make this driver more like igb and ixgbe and
disable packet split.

Change-ID: Id42f2c3736baa9d5bdfe1f72d64226e7d8ebd737
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-09 02:27:28 -08:00
Greg Rose 8e9dca536e i40e: add a comment on barrier and fix panic on reset
The memory barrier used in maybe_stop_tx can use a comment.

Also add checks to VSI->rx_rings to ensure a kernel panic is not induced.

Change-ID: I48cc1bf1d6cf301818155b737edeef77c0d790c7
Change-ID: I1363a8445fbf521a26267849966296ed55f43ad8
Signed-off-by: Greg Rose <gregory.v.rose@intel.com>
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-09 02:19:36 -08:00
Kamil Krawczyk 55c29c31d3 i40e: Fix MAC format in Write MAC address AQ cmd
The MAC address format expected by the hardware is in a very specific
format, and the driver was filling in the data incorrectly.

Change-ID: I7bc66505ef459ee347dd3bda68051004c141c689
Signed-off-by: Kamil Krawczyk <kamil.krawczyk@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-09 02:12:46 -08:00
Greg Rose dc641b7319 i40e: Fix GPL header
The GPL header included in each file in the i40e driver doesn't
need to include the "this program" text since this driver
is already part of the larger kernel.

Signed-off-by: Greg Rose <gregory.v.rose@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-09 02:10:23 -08:00
Jesse Brandeburg c02e0fd393 i40e: use kernel specific defines
Replace uses of I40E_LENGTH_OF_ADDRESS with ETH_ALEN.

Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-09 01:17:24 -08:00
Anjali Singhai Jain 5e8230663d i40e: Re-enable interrupt on ICR0
The hardware can occasionally give an interrupt on the misc
queue for which there is no driver work to do.  In that case
the driver was not re-enabling interrupts even though they
were auto masked by hardware.  This left interrupts disabled
on this queue.

Re-enable the interrupt whenever leaving this function.

Signed-off-by: Anjali Singhai Jain <anjali.singhai@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-09 01:17:14 -08:00
Mitch Williams 9007777364 i40e: correctly setup ARQ descriptors
When cleaning descriptors, we must set up ALL fields, not just the DMA
address. The initial setup does this correctly, but not the cleanup
code, so the firmware would process the ring exactly once and then fail.

Change-ID: I2930b83c76194b3016a8ac0fa693f9a573995640
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-07 21:50:16 -08:00
Kamil Krawczyk 071b8de982 i40e: remove redundant AQ enable
The admin queue length register is updated in
config_a<sq|rq>_regs functions.  We should not update it again,
as we will trigger firmware to init the AQ again. In this case
firmware will lose the information about the AQ Rx tail position
and will see Rx queue as full (no free desc for FW to use).

Signed-off-by: Kamil Krawczyk <kamil.krawczyk@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-07 21:50:12 -08:00
Greg Rose c354229fc0 i40e: Enable/Disable PF switch LB on SR-IOV configure changes
The PF VSI was never updated to enable or disable internal switch loopback
when VFs were created or destroyed via the sysfs interface.  Add some
helper functions to take care of that.

Signed-off-by: Greg Rose <gregory.v.rose@intel.com>
Tested-by: Sibai Li <sibai.li@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-07 21:50:07 -08:00
Shannon Nelson 922680b982 i40e: whitespace paren and comment tweaks
Addresses a few code format issues that have crept in over time.

Change-Id: I1a62cbd16b29a218a933b0f7176abe748f9615e8
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Signed-off-by: Shannon Nelson <shannon.nelson@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-07 21:50:04 -08:00
Shannon Nelson a4bcfbb706 i40e: rework shadow ram read functions
Rework Shadow RAM read word/buffer functions to not use AQ Request
Resource commands.  Requesting resource is not needed for SR read
operations which are done through SRCTL register.  Access to SR through
register is controlled through DONE bit within SRCTL.  With this change
we do not block whole NVM resource for SR read operations.

Change-Id: I73e96cdea39a45ee7b5bdf038e527308de2d9efe
Signed-off-by: Kamil Krawczyk <kamil.krawczyk@intel.com>
Signed-off-by: Shannon Nelson <shannon.nelson@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-07 21:50:01 -08:00
Shannon Nelson af89d26c07 i40e: check MAC type before any REG access
We need to check if we are dealing with the correct MAC type before we
try to read anything from the registers.

Change-Id: I3989516999d06c3009e87d6a2eafc20af305c5c2
Signed-off-by: Kamil Krawczyk <kamil.krawczyk@intel.com>
Signed-off-by: Shannon Nelson <shannon.nelson@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-07 21:49:53 -08:00
Shannon Nelson 5f9116ac4e i40e: move PF ID init from PF reset to SC init
Move PF ID initialization code from PF reset routine to earlier driver
initialization function.  There are a few operations which need the
PF ID before the first PF reset is called.

Change-Id: I7e971f7556b46a837149850ec05ce115c35db575
Signed-off-by: Kamil Krawczyk <kamil.krawczyk@intel.com>
Signed-off-by: Shannon Nelson <shannon.nelson@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-07 21:49:47 -08:00
Shannon Nelson af9810ea90 i40e: Reduce range of interrupt reg in reg test
Use a smaller range of test registers in MFP mode as there are fewer
resources than when in SFP mode.

Change-Id: I08424890c3f57b5dde5ee99e99724ce252e0875a
Signed-off-by: Kamil Krawczyk <kamil.krawczyk@intel.com>
Signed-off-by: Shannon Nelson <shannon.nelson@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-07 21:49:44 -08:00
Shannon Nelson 981b754552 i40e: update firmware api to 1.1
The firmware's AdminQ interface has matured a little, so update the
code to use the new fields and values.

Change-Id: I8fcd7b443f268dcf9346bd6a9e940fe9c2958891
Signed-off-by: Shannon Nelson <shannon.nelson@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-07 21:49:39 -08:00
Shannon Nelson 42794bd819 i40e: Add code to wait for FW to complete in reset path
The RSTAT comes back with DEVICE READY to indicate that the HW is ready,
but we still have to wait for the FW to indicate that the Core and Global
modules are back up again.  This needs a read of the NVM_ULD register.

Change-Id: I88276165f9cd446d2f166fb4b8cff00521af4bec
Signed-off-by: Anjali Singhai Jain <anjali.singhai@intel.com>
Signed-off-by: Shannon Nelson <shannon.nelson@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-07 21:49:36 -08:00
Catherine Sullivan 7f61d1f70b i40e: Bump version
Version update to 0.3.25-k

Signed-off-by: Catherine Sullivan <catherine.sullivan@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-07 21:49:33 -08:00
Greg Rose 5017c2a8af i40e: Allow VF to set already assigned MAC address
The VF is allowed to request the PF to set its already assigned
MAC address without generating an error.

Change-Id: I8dfdf353396995dbbb26cafab4e42b451911da3d
Signed-off-by: Greg Rose <gregory.v.rose@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Acked-by: Shannon Nelson <shannon.nelson@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-07 21:49:30 -08:00
Greg Rose 6bbac866ce i40e: Stop accepting any VLAN tag on VLAN 0 filter set
When the 8021q driver is loaded it sets VLAN 0 filters on all devices.
This does not mean that any VLAN tagged packet should be accepted.
Instead accept only VLAN 0 tagged packets so that upper layers can
interpret the priority bits.

Change-Id: I17274a540b613749612ffe23a3aef2b8ee6ff6a4
Signed-off-by: Greg Rose <gregory.v.rose@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Sibai Li <sibai.li@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-07 21:49:26 -08:00
Greg Rose 1a10370ae3 i40e: Do not enable broadcast promiscuous by default
Broadcast promiscuous should only be turned on when general
promiscuous mode is turned on, otherwise VLAN tagged packets out of
the assigned VLAN domain are received.

Add a broadcast MAC filter in order to continue to receive
broadcast traffic on VLANs, MAIN or VMDQ VSI.

Change-Id: I99d8e382a082ee51201228f1226af3b46452ac55
Signed-off-by: Greg Rose <gregory.v.rose@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Sibai Li <sibai.li@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-07 21:49:18 -08:00
Anjali Singhai Jain f1143c4b0f i40e: Expose AQ debugfs hooks
Add more functionality to debugfs to assist development
and testing of AQ commands.

adds:
send aq_cmd
send indirect aq_cmd

Change-Id: I01710cddd33110a6c1e1aabf84cb6e93cda4c42a
Signed-off-by: Anjali Singhai Jain <anjali.singhai@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-07 21:42:33 -08:00
Shawn Bohrer 74b9c3ea84 mlx4_en: Select PTP_1588_CLOCK
Now that mlx4_en includes a PHC driver it must select PTP_1588_CLOCK.

   drivers/built-in.o: In function `mlx4_en_get_ts_info':
>> en_ethtool.c:(.text+0x391a11): undefined reference to `ptp_clock_index'
   drivers/built-in.o: In function `mlx4_en_remove_timestamp':
>> (.text+0x397913): undefined reference to `ptp_clock_unregister'
   drivers/built-in.o: In function `mlx4_en_init_timestamp':
>> (.text+0x397b20): undefined reference to `ptp_clock_register'

Fixes: ad7d4eaed9 ("mlx4_en: Add PTP hardware clock")
Signed-off-by: Shawn Bohrer <sbohrer@rgmadvisors.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-07 16:23:45 -05:00
Wei Yongjun 9ba75fb0c4 net/mlx4_en: fix error return code in mlx4_en_get_qp()
Fix to return a negative error code from the error handling
case instead of 0.

Fixes: 837052d0cc ('net/mlx4_en: Add netdev support for TCP/IP offloads of vxlan tunneling')
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-07 15:42:52 -05:00
David S. Miller ecca6a968f bna: Fix build due to missing use of dma_unmap_len_set()
> as reported for linux-next of Dec.20, 2013
> when CONFIG_NEED_DMA_MAP_STATE is not enabled:
>
> drivers/net/ethernet/brocade/bna/bnad.c: In function 'bnad_start_xmit':
> drivers/net/ethernet/brocade/bna/bnad.c:3074:26: error: 'struct bnad_tx_vector' has no member named 'dma_len'

Reported-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-06 20:37:41 -05:00
Hauke Mehrtens 0e5959346c bgmac: fix typos
This fixes some typos found by Sergei.

Reported-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-06 20:26:46 -05:00
David S. Miller 56a4342dfe Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts:
	drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_pf.c
	net/ipv6/ip6_tunnel.c
	net/ipv6/ip6_vti.c

ipv6 tunnel statistic bug fixes conflicting with consolidation into
generic sw per-cpu net stats.

qlogic conflict between queue counting bug fix and the addition
of multiple MAC address support.

Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-06 17:37:45 -05:00
Suresh Reddy e3dc867c17 be2net: fix max_evt_qs calculation for BE3 in SR-IOV config
The driver wrongly assumes 16 EQs/vectors are available for each BE3 PF.
When SR-IOV is enabled, a BE3 PF can support only a max of 8 EQs.

Signed-off-by: Suresh Reddy <suresh.reddy@emulex.com>
Signed-off-by: Sathya Perla <sathya.perla@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-06 13:09:21 -05:00
Suresh Reddy 5eeff6354f be2net: increase the timeout value for loopback-test FW cmd
The loopback test FW cmd may need upto 15 seconds to complete on
certain PHYs. This patch also fixes the name of the completion variable
used to synchronize FW cmd completions as it not used by the flashing
cmd alone anymore.

Signed-off-by: Suresh Reddy <suresh.reddy@emulex.com>
Signed-off-by: Sathya Perla <sathya.perla@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-06 13:09:21 -05:00
Vasundhara Volam da1388d655 be2net: disable RSS when number of RXQs is reduced to 1 via set-channels
When *only* the default RXQ is used, the RSS policy must be disabled so
that all IP and no-IP traffic is placed into the default RXQ. If not,
IP traffic is dropped.

Also, issue the RSS_CONFIG cmd only if FW advertises RSS capability for
the interface.
Signed-off-by: Vasundhara Volam <vasundhara.volam@emulex.com>
Signed-off-by: Sathya Perla <sathya.perla@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-06 13:09:21 -05:00
Anjali Singhai Jain 80f6428fa1 i40e: Do not allow AQ calls from ndo-ops
If the device is not in a working state avoid making admin
queue (AQ) calls that rely on a working AQ.

Change-Id: Ifbba6d257b3a5b51bfe92938c04088c0baa21433
Signed-off-by: Anjali Singhai Jain <anjali.singhai@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-06 03:56:28 -08:00
Anjali Singhai Jain 37f0be6d29 i40e: check asq alive before notify
Driver needs to make sure the send queue is alive before
trying to use it.

Chagne-Id: I9bd1f6159c45c98e63f562e3a8dfb57edfe50e13
Signed-off-by: Anjali Singhai Jain <anjali.singhai@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-06 03:48:36 -08:00
Anjali Singhai Jain e1860d8f1c i40e: Admin queue shutdown fixes
Always call the AQ call to shutdown the queue in the shutdown path.

Check ASQ is alive before issuing the AQ command since we might be
resetting to recover from a bad state in which case we should not
issue the AQ command.

Use the register variable for length so it can be used by PF, VF
and GL AQ commands.

Change-Id: Ic3d305687ea3f1a6afa84e864b7a27bd38a9af32
Signed-off-by: Anjali Singhai Jain <anjali.singhai@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-06 03:26:23 -08:00
Greg Rose b774c7dd75 i40e: Hide the Port VLAN VLAN ID
The VF VSI Port VLAN settings still allow the user to view VLAN tag in
the descriptor.  Fix the settings to hide the VLAN ID from the VF. The
VF is not supposed to be aware it is on a VLAN in the Port VLAN
scenario.

Change-Id: I976f2bacb455dbb750f8c53a781c689f02cb8907
Signed-off-by: Greg Rose <gregory.v.rose@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Sibai Li <sibai.li@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-06 03:15:17 -08:00
Shannon Nelson f5ac8579f0 i40e: use correct struct for get and update vsi params
The get_vsi_params and update_vsi_params functions were using a
different command struct that just happened to have an seid element in
the right place and so worked correctly anyway.  This patch fixes the
functions to use the right data struct.

There is no actual logic change.

Change-Id: I513b5e1dc293dfd5b2ba4fa443cbdbfa608d9d19
Signed-off-by: Shannon Nelson <shannon.nelson@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-06 03:08:34 -08:00
Greg Rose f657a6e131 i40e: Fix VF driver MAC address configuration
Fix a problem where the 'ip link show' command would display stale
link address information after the link address was set via the 'ip
link set' command.  In addition, fix problem with the user being
allowed to overwrite the administratively set VF MAC address.

Change-Id: I669ed14e55f2b633ef7b456b713632b08468671c
Signed-off-by: Greg Rose <gregory.v.rose@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Sibai Li <sibai.li@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-06 02:57:05 -08:00
Mitch Williams 7efa84b7ab i40e: support VFs on PFs other than 0
When communicating with VF devices over the AQ, the FW refers to the
VF by its global VF ID, not local the VF ID with reference to its
parent PF. Since the global and local VF IDs are identical for PF 0,
the code worked correctly on PF 0.

However, we cannot just use global IDs throughout the code as most of
the other references to the VF (VSI setup, register offsets, etc.)
require the local VF ID. Instead, we just add or subtract our base VF
ID when sending and receiving AQ messages.

Change-Id: I92f4332b4876bc68b2f9af9ebf48761f63b6bd97
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Sibai Li <sibai.li@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-06 02:46:49 -08:00
Mitch Williams f7414531a0 i40e: acknowledge VFLR when disabling SR-IOV
When SR-IOV is disabled, the (now nonexistent) virtual function
devices undergo a VFLR event. We don't need to handle this event
because the VFs are gone, but we do need to tell the HW that they are
complete. This fixes an issue with a phantom VFLR and broken VFs when
SR-IOV is re-enabled.

Change-Id: I7580b49ded0158172a85b14661ec212af77000c8
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Sibai Li <sibai.li@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-06 02:39:10 -08:00
Mitch Williams 3197ce220c i40e: don't allocate zero size
Shockingly, the compiler didn't flag this uninitialized variable. This
fixes a potential memory corruption condition where ARQ messages are
written to random memory locations.

Change-Id: Iac82f4562d2bf3f42df3f3b2163d9cbed2160135
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Sibai Li <sibai.li@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-06 02:32:26 -08:00
Mitch Williams 5a9769c827 i40e: use struct assign instead of memcpy
Use struct assignment rather than an expensive memory copy.

Change-Id: I1d18d510774dfd41a9c1250cdef238a4187528f5
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Sibai Li <sibai.li@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-06 02:20:10 -08:00
Greg Rose 567472640c i40e: Do not enable default port on the VEB
Enabling the default port on the VEB causes all outgoing traffic from
virtual functions to be copied to the physical function.  The default
port is only supposed to be used if you wish to bridge the physical
function to a SW switch such as Open vSwitch or the Linux bridge. That
allows the SW switch to route traffic to VMs that are not using a
virtual function.

Eventually we'll want to implement the ndo_fdb_add, ndo_fdb_del, and
ndo_fdb_dump functions.  The ndo_fdb_add function would set the
default port on the VEB in those cases where the MAC/VLAN address
filters have overflowed.  Normally we would not want to use it.

Change-Id: I3990f0384fff2840c4e43bc0955dd0b701380852
Signed-off-by: Greg Rose <gregory.v.rose@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Sibai Li <sibai.li@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-06 02:13:22 -08:00
Mitch Williams b141d6196c i40e: avoid unnecessary register read
We don't need to read the base VF id. It's already stashed in the HW
struct.

Change-Id: Ib81e2f76fc40b12c966e014a856b481912cafefc
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Sibai Li <sibai.li@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-06 02:06:51 -08:00
Jesse Brandeburg 1b60f3c416 i40e: fix whitespace
Trivial whitespace fix.

Change-Id: Ib7c70891a33c4b3d200c69367549d0dbdee0f076
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-06 02:00:10 -08:00
Greg Rose 6c12fcbf18 i40e: Fix SR-IOV VF port VLAN
This patch fixes two different problems.
1) The port VLAN configuration was not persistent across VF driver
   loads and unloads.

2) The port VLAN configuration was only correct the first time it was
   set. Switching the port VLAN on and off would cause subsequent VLAN
   configurations to be corrupted in the VSI.  Ensure that the correct
   bits are being set for the VSI port VLAN configuration.

Change-Id: I7ebf5329f77eb8d73ccd3324eb346b3abeea737d
Signed-off-by: Greg Rose <gregory.v.rose@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Sibai Li <sibai.li@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-05 20:59:01 -08:00
Anjali Singhai Jain 298deef1f4 i40e: Record dma buffer info for dummy packets
Save information that we can use while cleaning the tx ring. Also record
the time_stamp since we will need it to check tx hangs.

Change-Id: Ia3f1c17f6fec9bcb7fef2542d77eac7f6c4f115c
Signed-off-by: Anjali Singhai Jain <anjali.singhai@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-05 18:20:28 -08:00
Eyal Perry b912b2f8fc net/mlx4_core: Warn if device doesn't have enough PCI bandwidth
Check if the device get enough bandwidth from the entire PCI chain to satisfy
its capabilities. This patch determines the PCIe device's bandwidth capabilities
by reading its PCIe Link Capabilities registers and then call the
pcie_get_minimum_link function to ensure that the adapter is hooked into a slot
which is capable of providing the necessary bandwidth capabilities.

Signed-off-by: Eyal Perry <eyalpe@mellanox.com>
Signed-off-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-05 20:37:05 -05:00
Fabio Estevam 7d30622dbe fec: Revert "fec: Do not assume that PHY reset is active low"
In order to keep DT compatibility we need to revert this, otherwise the original
dts files will no longer work with this driver change.

This reverts commit 7a399e3a2e.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-05 20:24:28 -05:00
Yuval Mintz e8379c7954 bnx2x: fix VLAN configuration for VFs.
If the hypervisor configures a vlan for the VF via the PF, the expected
result is that only packets tagged by said vlan will be received by the VF
(and that vlan will be silently removed).
Due to an incorrect manipulation of vlan filters in the driver, the
VF can receive untagged traffic even if the hypervisor configured
some vlan for it.

This patch corrects the behaviour.

Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-05 20:22:33 -05:00
Yuval Mintz 9dfef3adae bnx2x: fix AFEX memory overflow
There are 2 different (related) flows in the slowpath configuration
that utilize the same pointer and cast it to different structs;
This is obviously incorrect as the intended allocated memory is that
of the smaller struct, possibly causing the flow utilizing the larger
struct to corrupt other slowpath configuration.

Since both flows are exclusive, set the allocated memory to be a union
of both structs.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-05 20:22:25 -05:00
Michal Kalderon 5b622918cd bnx2x: Clean before update RSS arrives
When a PF receives a VF message indicating a change in RSS properties
it should clean the flags' bit-fields; Otherwise, it's possible that
some random values will be considered as flags by the lower layers configuring
the RSS in FW.

Signed-off-by: Michal Kalderon <michals@broadcom.com>
Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-05 20:22:24 -05:00
Michal Kalderon 89e18ae6e6 bnx2x: Correct number of MSI-X vectors for VFs
Number of VFs in PCIe configuration space is zero-based. Driver incorrectly
sets the number of VFs to be larger by one than what actually is feasible by
HW, which might cause later VFs to fail to allocate their MSI-X interrupts.

Signed-off-by: Michal Kalderon <michals@broadcom.com>
Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-05 20:22:24 -05:00
Dmitry Kravkov e848582cee bnx2x: limit number of interrupt vectors for 57711
Original straightforward division may lead to zeroing number of SB and
null-pointer dereference when device is short of MSIX vectors or lacks
MSIX capabilities.

Reported-by: Vladislav Zolotarov <vladz@cloudius-systems.com>
Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-05 20:22:24 -05:00
Anjali Singhai Jain c3f0c4fedf i40e: remove un-necessary io-write
Driver needs to clean PBA only when interrupts are turned off and we
are polling instead.

Change-Id: Ic0c1da761bd3abe7f73b1cc8bcddf8e3a232fd0f
Signed-off-by: Anjali Singhai Jain <anjali.singhai@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-05 01:46:29 -08:00
Anjali Singhai Jain 7b86228902 i40e: Remove unnecessary prototypes
These functions don't need a prototype as they are defined
in the file before they are called.

Change-Id: Ie17ffad4a29a9c0df434c4ebc4681128a6095c65
Signed-off-by: Anjali Singhai Jain <anjali.singhai@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-05 01:38:03 -08:00
Neerav Parikh 9f52987b05 i40e: I40E_FLAG_MQ_ENABLED is not used
Remove references to I40E_FLAG_MQ_ENABLED from the code
as it doesn't seem to be used anywhere.

Change-Id: I4c89fb65b2cdd26fbb0c58fccbbb4b03f0e5f1b3
Signed-off-by: Neerav Parikh <Neerav.Parikh@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-05 01:30:36 -08:00
Neerav Parikh d739764406 i40e: Fix ring allocation
The allocation and clearing of rings for a VSI should be
using the alloc_queue_pairs and not num_queue_pairs.

The alloc_queue_pairs per VSI is a pre-allocated number
of queues assigned to a VSI; based on number of TCs enabled
only certain number of queues may be used from that. This
is mainly valid only for the LAN VSI case as that is the
only VSI that may be enabled with multiple traffic classes.
In the future the number of TCs may change based on DCBX
configuration.

The actual number of queues that are enabled/configured is
based on the number of TCs enabled for a given VSI and that
is stored in num_queue_pairs.

With this change num_[tr]x_queues is unused so remove them.

Change-Id: I9c2f84778bb25f7313c630e9b002a0caa883ce29
Signed-off-by: Neerav Parikh <Neerav.Parikh@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-05 00:32:09 -08:00
Shannon Nelson 78681b1f87 i40e: catch unset q_vector
Don't try to free a q_vector that hasn't been set up as it can
panic the kernel.

Change-Id: I0650cc6c441d0779788c522c790293c276d14fbc
Signed-off-by: Shannon Nelson <shannon.nelson@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-04 23:54:42 -08:00
David Cassard 90bb776ae5 i40e: keep allocated memory in structs
Save both a pointer to memory and the length in order to store all
info about allocated kernel memory.  This patch changes some adminq
allocations to preserve the full i40e_dma_mem/i40e_virt_mem structs
for every allocation.

Change-Id: Ibcf96159aba4ba61f839d16d87d19478df28e630
Signed-off-by: David Cassard <david.g.cassard@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-04 23:46:24 -08:00
Shannon Nelson 04b03013a5 i40e: fix error handling when alloc of vsi array fails
Swap a couple lines around in the error handling if the kzalloc() for
the pf->vsi array fails.  This was causing a kernel BUG because the
call to i40e_clear_interrupt_scheme() was assuming the pf->vsi[] array
existed.  In this fix it is possible that i40e_reset_interrupt_capability()
will get called twice, but this is a safe action.

Change-Id: I939163ccaa89baac7511556d36bc873864c35ae1
Signed-off-by: Shannon Nelson <shannon.nelson@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-04 23:12:55 -08:00
Mitch Williams 2f0191238d i40e: reinit buffer size each time
When cleaning the ARQ, we must reinitialize the buffer size each time we
go through the loop, because i40e_clean_arq_element returns the message
length in the same field. Without this change, subsequent messages can
be truncated to the length of the previous message.

Change-Id: Ic9c32ff843faf0fc3196d21351a1c3a60c6158eb
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Tested-by: Sibai Li <sibai.li@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-04 22:59:27 -08:00
Mitch Williams 2ef28cfb09 i40e: use functions to enable and disable icr 0
Introduce i40e_irq_dynamic_disable_icr0 and use it and its previously-
extant counterpart when appropriate.

Change-Id: Ieb4037874fba2e96fc2354b34a97a3cb8f6490f3
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Tested-by: Sibai Li <sibai.li@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-04 22:51:18 -08:00
Vasu Dev 36fac58180 i40e: add header file flag _I40E_TXRX_H_
Add an include header guard to guard against multiple includes

Change-Id: I73efa03efc912d2047edab903c7caed05b444da2
Signed-off-by: Vasu Dev <vasu.dev@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-04 22:44:37 -08:00
Mitch Williams 6c1b5bff5a i40e: guard against vf message races
When disabling and enabling VFs on a live system with the VF driver
loaded, it's possible to receive an admin queue message from the VF
driver at an inconvenient time, e.g. when the associated data structures
aren't present or configured. This causes a rather inconvenient panic.

To guard against this, we change the order of when we set num_alloc_vfs
when turning off SR-IOV, and then gate processing of any VF messages
based upon that value. Likewise, when enabling VFs, we shut off the
relevant interrupt until configuration is complete.

Change-Id: I0c172c056616c2bebd78bbc807ab446eb484deea
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Sibai Li <sibai.li@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-04 22:37:57 -08:00
Jesse Brandeburg 0e2fe46ca7 i40e: fix constant cast issues
replace __constant_htons with htons

Change-Id: I123a5318bae34c8b004c71db07c56f137c685849
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-04 22:31:22 -08:00
Anjali Singhai Jain e5e0a5db4c i40e: Change the ethtool NVM read method to use AQ
Earlier we were reading Shadow RAM (copy of the NVM) which can differ
from the actual NVM. Use AQ instead to read the actual NVM.

Change-Id: Ia0f2773b722db77d093f738c068af872be69bbd4
Signed-off-by: Anjali Singhai Jain <anjali.singhai@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-04 22:22:26 -08:00
Jesse Brandeburg f62b5060d6 i40e: fix mac address checking
Remove custom i40e functions around ethernet addresses that are
duplicating already existing kernel functionality.

Also ends up fixing a bug with multicast addresses.

Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-04 22:13:45 -08:00
Anjali Singhai Jain a45e88c9db i40e: Dump the whole NVM, not half
Debugfs was reading exactly half the number of words, fix it.

Change-Id: Ieb217f3c6dca455d44e50a0dc61a6664c0cb2265
Signed-off-by: Anjali Singhai Jain <anjali.singhai@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-04 22:06:20 -08:00
Hauke Mehrtens 6df4aff972 bgmac: add support for Northstar SoC (BCM4707, BCM53018)
This adds support for the Northstar SoC. This SoC does not have a PMU in
bcma and no register on it should be called. In addition it support 2.5
GBit/s Ethernet to the PHY.

This GMAC core is not fully working there are still problems with the
DMA controller.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-04 20:25:20 -05:00
Hauke Mehrtens 622a521fa4 bgmac: reset all cores on Northstar SoC
On the Northstar SoC (BCM4707 and BCM53018) we have to enable all GMAC
cores when we just want to use on. We iterate over all the cores and
activate them.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Acked-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-04 20:25:19 -05:00
Hauke Mehrtens 48e07fbe07 bgmac: add support for new BGMAC_CMDCFG_SR position on core rev >= 4
The BGMAC_CMDCFG_SR register is at a different position on core rev >= 4
We do not know where this register is on a rev 5 or higher core, I have
newer seen such a core.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Acked-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-04 20:25:19 -05:00
Hauke Mehrtens 56ceecde1f bgmac: initialize the DMA controller of core rev >= 4
The DMA controller used in the device supported by GMAC with core rev
>= 4 has some new options which are now set to the default values used
in the Broadcom SDK.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Acked-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-04 20:25:19 -05:00
David S. Miller 653864d9dd Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/net-next
Jeff Kirsher says:

====================
Intel Wired LAN Driver Updates

This series contains updates to i40e and pci_regs.h.

Anjali provides a patch to prevent messages from stray HMC events, except
at interrupt message level, and refactors the HMC error handling.

Catherine adds routines in probe to populate/check PCI bus speed and width,
then verify we are in a 8GT/s x8 PCIe slot and warn when we are not.

Shannon adds Wake-on-LAN support for i40e, fixes curly brace use as well as
return type for i40e_vsi_clear_rings().

Joseph implements receive offload for VXLAN for i40e, where the hardware
supports checksum offload/verification of the inner/outer header.

Mitch provides the bulk of the changes, where he refactors the VF reset
code so that it works on real hardware.  Then does code cleanup by
calling existing functions to enable and disable queues for VFs and
remove unused functions.  Removes a unnecessary log messages that are
seen at every VF reset, for example complaining about disabling queues
that are already disabled.  Fixes an error return when the VF asks to
add an invalid MAC address and if the VF sends a bad message, make it
more informative about what is actually going on.

Jesse refactors the LED function to flash LED lights correctly.

v2:
 - removed patch 5 "i40e: add set settings and pauseparam" based on
   feedback from Ben Hutchings, will re-work that patch for later
   submission
 - Added patch "i40e: Implementation of vxlan ndo's" from Joseph to
   address Or Gerlitz's questions and concerns.  This patch adds the
   implementation for the VXLAN ndo's and allows the hardware to do
   receive checksum offload for inner packets on the UDP ports that
   VXLAN notifies us about.
 - Added patch "i40e: using for_each_set_bit to simplify the code"
   from Wei Yongjun.  This patch uses for_each_set_bit() to simply
   the code.

v3:
 - fixed indentation issue in patch 11 based on feedback from
   Sergei Shtylyov.

Sorry for the delayed release of v4, it was delayed to the holidays.

v4:
 - Addressed Or Gerlitz's concerns about trying to get a hold of a mutex
   while holding a spin lock in patch 6 by executing the AQ commands from
   a subtask.
 - Addressed David Miller's Kconfig concerns by creating a Kconfig VXLAN
   option for i40e and wrapped appropriate code with the config option in
   patch 6.
 - Updated patch 7 based on the changes made in patch 6 in the above two
   bullets.

v5:
 - Added the patch to pci_regs.h based on David Miller's feedback to add
   PCI defines for speed and width
 - Updated patch 3 description to better explain the changes based on
   feedback from David Miller
 - Updated patch 4 to use the newly added defines to pci_regs.h instead
   of local defines
 - Updated patch 7 to use <net/vxlan.h> in the #include based on feedback
   from David Miller
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-04 19:50:35 -05:00
Mitch Williams f4a1c5cf5a i40e: report VF MAC addresses correctly
If the user does not assign a VF MAC address, then just report it as
zero.  Attempting to guess the correct primary MAC address of the VF is a
futile and heartbreaking endeavour.

Change-Id: I2673577a160afb6fc55094c890467b44e60c7584
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Sibai Li <sibai.li@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-03 21:29:13 -08:00
Jesse Brandeburg 0556a9e3a2 i40e: update led set args
Add an argument to led function and refactor code to flash LED lights
correctly.

Change-Id: I00b21607ced53aaa057159503875708871946259
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-03 21:21:42 -08:00
Mitch Williams 12dc4fe398 i40e: make a define from a large constant
Make a define used in the header file by both VF and PF drivers.

Change-Id: Ie9e35adcc021cd6a8f7513934984eb4ed55774f5
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-03 21:14:12 -08:00
Mitch Williams 499ec80f95 i40e: be more informative
If the VF sends a bad message, be more informative about what it
actually is.

Change-Id: I89e06d2db416a1d05aeea016dd6e8b7870cae99a
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-03 21:07:47 -08:00
Mitch Williams adaf356002 i40e: fix error return
If the VF asks to add an invalid MAC address, tell it that instead of
just using a generic return code.

Change-Id: I366aff5449fa5874ad51e2734cac2a71783ab14b
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-03 21:00:41 -08:00
Mitch Williams fda972f6e9 i40e: remove chatty log messages
Don't complain when we disable queues that are already disable, or
enable them when they're already enabled. This removes a bunch of bogus
log messages that we see at every VF reset.

Change-Id: Ia127be572abdccc48a53d8c43f8a07b8bb920de1
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-03 20:53:38 -08:00
Mitch Williams 88f6563d73 i40e: remove redundant code
Don't keep separate functions to enable and disable queues for the VFs.
Just call the existing function that everybody else uses. Remove the
unused functions.

Change-Id: I15db9aad64a59e502bfe1e0fdab9b347ab85c12c
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Sibai Li <sibai.li@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-03 20:43:30 -08:00
Mitch Williams fc18eaa073 i40e: refactor VF reset flow
Fix the VF reset flow so that it works on real hardware. After
discussions with the HW team, the reset flow has been changed
somewhat.

- Change the i40e_reset_vf function to a void type, and fix
  up the callers to reflect this.
- Move the MSI-X disable code to i40e_free_vf_res since it must
  be done every time the VF is freed, regardless of whether or
  not it is reset.
- Ensure that the PCIe bus is quiet before polling the reset bit.
- Don't clear the VFGEN_RSTAT1 register at the beginning as it is
  cleared by the reset.
- Poll longer for the reset to be done.
- Disable the queues using an existing function rather than
  rolling our own.
- Free and reallocate the VSI after reset to avoid rx hang.

Change-Id: I11e2590431cb73e8663714d1cc5b23d59b809033
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-03 20:35:39 -08:00
Mitch Williams 805bd5bd54 i40e: move i40e_reset_vf
The VF reset code will be refactored in future patches. Part of that
refactor required it to call i40e_alloc_vf_res and i40e_free_vf_res, so
the function must be moved. In order to make the future patches more
readable, we perform the function move here, with no other changes.

Change-Id: If6567c9c0bada6caafb2ee0227e0d9d50d05f27f
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-03 20:27:28 -08:00
Joseph Gasparakis 8144f0f7e9 i40e: Rx checksum offload for VXLAN
This implements receive offload for VXLAN for i40e.  The hardware
supports checksum offload/verification of the inner/outer header.

Change-Id: I450db300af6713f2044fef1191a0d1d294c13369
Signed-off-by: Joseph Gasparakis <joseph.gasparakis@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-03 20:20:09 -08:00
Jeff Kirsher a1c9a9d998 i40e: Implementation of VXLAN ndo's
This adds the implementation for the VXLAN ndo's.  This allows the
hardware to do RX checksum offload for inner packets on the UDP ports
that VXLAN notifies us about.

Signed-off-by: Joseph Gasparakis <joseph.gasparakis@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-03 20:11:44 -08:00
Shannon Nelson be1d5eea00 i40e: fix curly brace use and return type
Add curly-braces on a multi-line function.  While we're here we
also change to return void in i40e_vsi_clear_rings() since no
caller cares.

Change-Id: I261fcef20e2a39e18d83ec08fdd14456131dee91
Signed-off-by: Shannon Nelson <shannon.nelson@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-03 20:00:59 -08:00
Shannon Nelson 8e2773ae35 i40e: add wake-on-lan support
Wake on LAN is disabled by default and will remain that way for most
platforms, but there is an NVM setting that allows vendors to enable it
for a port if they think they've provided the right power environment
for the device.  This patch adds code to check the NVM setting and enable
Magic Packet use if WoL is enabled for the port.

Since only Magic Packet is supported, there's not a lot of HW configuration
needed.

Change-Id: I44e904a7b15695e34683009f487064cd86ea59b0
Signed-off-by: Shannon Nelson <shannon.nelson@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-03 19:22:25 -08:00
Catherine Sullivan d4dfb81af7 i40e: Populate and check pci bus speed and width
Call i40e_set_pci_config_data from probe, then check that
we are in a 8GT/s x8 PCIe slot and send a warning if we are not.

Change-Id: I62815c574cee50d2787c50bbe956dde7a7a75a11
Signed-off-by: Catherine Sullivan <catherine.sullivan@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-03 19:12:35 -08:00
Anjali Singhai Jain 9c010ee0ea i40e: Suppress HMC error to Interrupt message level
The HMC error interrupt would generate an un-necessary message
"unhandled interrupt", causing extra log spam, in addition to causing
a reset that was not necessary.  Prevent this issue by handling the
HMC error case explicitly, and only reset if the interrupt was from
some of the other causes.

Change-Id: Iabd203ba1dfc26a136b638597f3e9991acfa29f3
Signed-off-by: Shannon Nelson <shannon.nelson@intel.com>
Signed-off-by: Anjali Singhai Jain <anjali.singhai@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-03 18:59:51 -08:00
Wei Yongjun 4836650b1c i40e: using for_each_set_bit to simplify the code
Using for_each_set_bit() to simplify the code.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-01-03 18:48:42 -08:00
Nithin Sujir 20170e7747 tg3: Update version to 3.136
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: Nithin Nayak Sujir <nsujir@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-03 20:59:52 -05:00
Nithin Sujir 1743b83c86 tg3: Poll cpmu link state on APE + ASF enabled devices
On ASF enabled devices where the mgmt firmware runs on the application
processing engine, there is a race between the tg3 driver processing a
link change event and the ASF firmware clearing the link changed bit in
the EMAC status register. This leads to link notifications to the driver
sometimes getting lost.

Poll the CPMU link state as a backup for the normal interrupt path
update if ASF is enabled.

Signed-off-by: Nithin Nayak Sujir <nsujir@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-03 20:59:52 -05:00
Nithin Sujir f82995b65c tg3: Set the MAC clock to the fastest speed during boot code load
On the 5717, 5718 and 5719 devices, the bootcode runs slower when any
port doesn't have a link due to clock speed slowing down as part of the
link-aware feature. This leads to the driver timing out waiting for the
bootcode signature.

This patch overrides the clock policy to the highest frequency just before
reset and restores it after the bootcode is up.

Signed-off-by: Nithin Nayak Sujir <nsujir@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-03 20:59:52 -05:00
Michael Chan e565eec31d tg3: Add unicast filtering support.
Up to 3 additional unicast addresses can be added to the perfect match
filter table.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: Nithin Nayak Sujir <nsujir@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-03 20:59:52 -05:00
Michael Chan f022ae62dd tg3: Refactor __tg3_set_mac_addr()
so that individual MAC address filter entries can be set.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: Nithin Nayak Sujir <nsujir@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-03 20:59:51 -05:00
Sergei Shtylyov 128296fc3f sh_eth: coding style fixes
Running 'scripts/checkpatch.pl' on the driver files gives numerous warnings:

- block comments using empty /* line;

- unneeded \ at end of lines;

- message string split across lines;

- use of __attribute__((aligned(n))) instead of __aligned(n) macro;

- use of __attribute__((packed)) instead of __packed macro.

Additionally, running 'scripts/checkpatch.pl --strict' gives more complaints:

- including the paragraph about writing to FSF into the heading comment;

- alignment not matching open paren;

- multiple assignments on one line;

- use of CamelCase names;

- missing {} on one of the *if* arms where another has them;

- spinlock definition without a comment.

While fixing these, also do some more style cleanups:

- remove useless () around expressions;

- add {} around multi-line *if* operator's arm;

- remove space before comma;

- add spaces after /* and before */;

- properly align continuation lines of broken up expressions;

- realign comments to the structure fields.

Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-03 20:49:20 -05:00
Shahed Shaikh a02bdd423d qlcnic: Fix bug in Tx completion path
o Driver is using common tx_clean_lock for all Tx queues. This patch
  adds per queue tx_clean_lock.
o Driver is not updating sw_consumer while processing Tx completion
  when interface is going down. Fixed in this patch.

Signed-off-by: Shahed Shaikh <shahed.shaikh@qlogic.com>
Signed-off-by: Manish Chopra <manish.chopra@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-03 20:44:11 -05:00
Julia Lawall c018b7af5e smsc9420: use named constants for pci_power_t values
The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@
expression e1,e2;
@@

pci_enable_wake(e1,
- 0
+ PCI_D0
,e2)
// </smpl>

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-03 19:58:48 -05:00
Julia Lawall 2d4dda781f net: tulip: delete useless tests on netdev_priv
Netdev_priv performs an addition, not a pointer dereference, so it seems
quite unlikely that its result would ever be NULL.

A semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@
statement S;
@@

- if (!netdev_priv(...)) S
// </smpl>

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Acked-by: Grant Grundler <grundler@parisc-linux.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-03 19:35:17 -05:00
Thadeu Lima de Souza Cascardo 940d9d34a5 cxgb4: allow large buffer size to have page size
Since commit 52367a763d
("cxgb4/cxgb4vf: Code cleanup to enable T4 Configuration File support"),
we have failures like this during cxgb4 probe:

cxgb4 0000:01:00.4: bad SGE FL page buffer sizes [65536, 65536]
cxgb4: probe of 0000:01:00.4 failed with error -22

This happens whenever software parameters are used, without a
configuration file. That happens when the hardware was already
initialized (after kexec, or after csiostor is loaded).

It happens that these values are acceptable, rendering fl_pg_order equal
to 0, which is the case of a hard init when the page size is equal or
larger than 65536.

Accepting fl_large_pg equal to fl_small_pg solves the issue, and
shouldn't cause any trouble besides a possible performance reduction
when smaller pages are used. And that can be fixed by a configuration
file.

Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-03 19:27:57 -05:00
Manish Chopra f3e3ccf83b qlcnic: Fix resource allocation for TX queues
o TX queues allocation was getting distributed equally among all the
  functions of the port including VFs and PF. Which was leading to failure
  in PF's multiple TX queues creation.

o Instead of dividing queues equally allocate one TX queue for each VF as VF
  doesn't support multiple TX queues.

Signed-off-by: Manish Chopra <manish.chopra@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-02 17:19:12 -05:00
Manish Chopra d9c602f033 qlcnic: Fix loopback diagnostic test
o Adapter requires that if the port is in loopback mode no traffic should
  be flowing through that port, so on arrival of Link up AEN, do not advertise
  Link up to the stack until port is out of loopback mode

Signed-off-by: Manish Chopra <manish.chopra@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-02 17:19:12 -05:00
Shawn Bohrer 2156d9a8ac mlx4_en: Only cycle port if HW timestamp config changes
If the hwtstamp_config matches what is currently set for the device then
simply return.  Without this change any program that tries to enable
hardware timestamps will cause the link to cycle even if hardware
timstamps were already enabled.

Signed-off-by: Shawn Bohrer <sbohrer@rgmadvisors.com>
Acked-By: Hadar Hen Zion <hadarh@mellanox.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-02 03:30:36 -05:00
Shawn Bohrer ad7d4eaed9 mlx4_en: Add PTP hardware clock
This adds a PHC to the mlx4_en driver. We use reader/writer spinlocks to
protect the timecounter since every packet received needs to call
timecounter_cycle2time() when timestamping is enabled.  This can become
a performance bottleneck with RSS and multiple receive queues if normal
spinlocks are used.

This driver has been tested with both Documentation/ptp/testptp and the
linuxptp project (http://linuxptp.sourceforge.net/) on a Mellanox
ConnectX-3 card.

Signed-off-by: Shawn Bohrer <sbohrer@rgmadvisors.com>
Acked-By: Hadar Hen Zion <hadarh@mellanox.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-02 03:30:36 -05:00