net/flower: Introduce hardware offload support

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This patch is based on a patch made by John Fastabend.
It adds support for offloading cls_flower.
when NETIF_F_HW_TC is on:
  flags = 0       => Rule will be processed twice - by hardware, and if
                     still relevant, by software.
  flags = SKIP_HW => Rull will be processed by software only

If hardware fail/not capabale to apply the rule, operation will NOT
fail. Filter will be processed by SW only.

Acked-by: Jiri Pirko <jiri@mellanox.com>
Suggested-by: John Fastabend <john.r.fastabend@intel.com>
Signed-off-by: Amir Vadai <amir@vadai.me>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Amir Vadai 2016-03-08 12:42:29 +02:00 • committed by David S. Miller

parent 10f79037b4

commit 5b33f48842

4 changed files with 81 additions and 1 deletions

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2

include/linux/netdevice.h

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14

include/net/pkt_cls.h

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2

include/uapi/linux/pkt_cls.h

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