Vinicius Costa Gomes b4a38d4276 igb: Add MAC address support for ethtool nftuple filters
This adds the capability of configuring the queue steering of arriving
packets based on their source and destination MAC addresses.

Source address steering (i.e. driving traffic to a specific queue),
for the i210, does not work, but filtering does (i.e. accepting
traffic based on the source address). So, trying to add a filter
specifying only a source address will be an error.

In practical terms this adds support for the following use cases,
characterized by these examples:

$ ethtool -N eth0 flow-type ether dst aa:aa:aa:aa:aa:aa action 0
(this will direct packets with destination address "aa:aa:aa:aa:aa:aa"
to the RX queue 0)

$ ethtool -N eth0 flow-type ether src 44:44:44:44:44:44 \
  	     	  	    	  proto 0x22f0 action 3
(this will direct packets with source address "44:44:44:44:44:44" and
ethertype 0x22f0 to the RX queue 3)

Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2018-04-25 10:55:45 -07:00
2018-04-15 17:21:30 -07:00
2018-01-06 10:59:44 -07:00
2018-04-15 17:21:30 -07:00
2018-04-21 10:32:16 -07:00
2018-03-28 16:09:09 +02:00
2018-04-15 17:21:30 -07:00
2017-11-17 17:45:29 -08:00
2018-04-22 19:20:09 -07:00

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
See Documentation/00-INDEX for a list of what is contained in each file.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.
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