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11 Commits

Author SHA1 Message Date
Eyal Perry
892311f66f ethtool: Support for configurable RSS hash function 
This patch extends the set/get_rxfh ethtool-options for getting or
setting the RSS hash function.

It modifies drivers implementation of set/get_rxfh accordingly.

This change also delegates the responsibility of checking whether a
modification to a certain RX flow hash parameter is supported to the
driver implementation of set_rxfh.

User-kernel API is done through the new hfunc bitmask field in the
ethtool_rxfh struct. A bit set in the hfunc field is corresponding to an
index in the new string-set ETH_SS_RSS_HASH_FUNCS.

Got approval from most of the relevant driver maintainers that their
driver is using Toeplitz, and for the few that didn't answered, also
assumed it is Toeplitz.

Cc: Tom Lendacky <thomas.lendacky@amd.com>
Cc: Ariel Elior <ariel.elior@qlogic.com>
Cc: Prashant Sreedharan <prashant@broadcom.com>
Cc: Michael Chan <mchan@broadcom.com>
Cc: Hariprasad S <hariprasad@chelsio.com>
Cc: Sathya Perla <sathya.perla@emulex.com>
Cc: Subbu Seetharaman <subbu.seetharaman@emulex.com>
Cc: Ajit Khaparde <ajit.khaparde@emulex.com>
Cc: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Cc: Jesse Brandeburg <jesse.brandeburg@intel.com>
Cc: Bruce Allan <bruce.w.allan@intel.com>
Cc: Carolyn Wyborny <carolyn.wyborny@intel.com>
Cc: Don Skidmore <donald.c.skidmore@intel.com>
Cc: Greg Rose <gregory.v.rose@intel.com>
Cc: Matthew Vick <matthew.vick@intel.com>
Cc: John Ronciak <john.ronciak@intel.com>
Cc: Mitch Williams <mitch.a.williams@intel.com>
Cc: Amir Vadai <amirv@mellanox.com>
Cc: Solarflare linux maintainers <linux-net-drivers@solarflare.com>
Cc: Shradha Shah <sshah@solarflare.com>
Cc: Shreyas Bhatewara <sbhatewara@vmware.com>
Cc: "VMware, Inc." <pv-drivers@vmware.com>
Cc: Ben Hutchings <ben@decadent.org.uk>
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>
 2014-12-08 21:07:10 -05:00
Lendacky, Thomas
f6ac862845 amd-xgbe: Add receive side scaling ethtool support 
This patch adds support for ethtool receive side scaling (RSS) commands.
Support is added to get/set the RSS hash key and the RSS lookup table.

Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2014-11-05 21:50:12 -05:00
Lendacky, Thomas
4780b7cae6 amd-xgbe: Move ring allocation to device open 
Move the channel and ring tracking structures allocation to device
open.  This will allow for future support to vary the number of Tx/Rx
queues without unloading the module.

Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2014-11-05 21:50:11 -05:00
David S. Miller
eb84d6b604 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2014-09-07 21:41:53 -07:00
Lendacky, Thomas
a2ea14d772 amd-xgbe: Checkpatch driver fixes 
This patch contains fixes identified by checkpatch when run with the
strict option.

Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2014-09-05 15:11:20 -07:00
Lendacky, Thomas
a9a4a2d9d6 amd-xgbe: Check for Tx hardware queue flushing support 
The flushing of the Tx hardware queues is only supported at a certain
level of the hardware.  Retrieve the current version of the hardware
and use that to determine if flushing is supported.

Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2014-09-01 20:38:14 -07:00
Lendacky, Thomas
8c43a2cc75 amd-xgbe: Remove unnecessary spinlocks 
Remove the spinlocks around the ethtool get and set settings
functions and within the link adjustment callback routine.

Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2014-08-02 19:29:53 -07:00
Lendacky, Thomas
f047604a3f amd-xgbe: Update/fix 2.5GbE support 
Update the amd-xgbe driver and phylib driver to better support
the 2.5GbE mode for the hardware. In order to be able establish
2.5GbE using clause 73 auto negotiation the device will support
speed sets of 1GbE/10GbE and 2.5GbE/10GbE.

Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2014-07-30 18:46:52 -07:00
Lendacky, Thomas
23e4eef7cf amd-xgbe: Add hardware timestamp support 
This patch adds support for Tx and Rx hardware timestamping.

Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2014-07-30 18:46:52 -07:00
Lendacky, Thomas
6964e97051 amd-xgbe: Remove the adjustments needed for fixed speed 
With the addition of entries in the phy speed/duplex settings
array to support KR and KX mode, the work-around to add/remove
baseT settings to run at a fixed speed is no longer needed.

Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2014-07-15 16:30:04 -07:00
Lendacky, Thomas
c5aa9e3b81 amd-xgbe: Initial AMD 10GbE platform driver 
This patch provides the initial platform driver for the AMD
10GbE device.

Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2014-06-05 15:26:51 -07:00