netdev - Re: [PATCH net-next] net/sched: cls_flower: Introduce support in SKIP SW flag

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Date:	Tue, 7 Jun 2016 14:14:07 +0200
From:	Jiri Pirko <jiri@...nulli.us>
To:	Amir Vadai <amir@...ai.me>
Cc:	"David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
	Jiri Pirko <jiri@...lanox.com>,
	Or Gerlitz <ogerlitz@...lanox.com>,
	Hadar Har-Zion <hadarh@...lanox.com>,
	Amir Vadai <amirva@...lanox.com>
Subject: Re: [PATCH net-next] net/sched: cls_flower: Introduce support in
 SKIP SW flag

Sun, Jun 05, 2016 at 04:11:18PM CEST, amir@...ai.me wrote:
>From: Amir Vadai <amirva@...lanox.com>
>
>In order to make a filter processed only by hardware, skip_sw flag
>should be supplied. This is an addition to the already existing skip_hw
>flag (filter will be processed by software only). If no flag is
>specified, filter will be processed by both software and hardware.
>
>If only hardware offloaded filters exist, fl_classify() will return
>without doing anything.
>
>A following userspace patch will be sent once kernel patch is accepted.
>
>Example:
>
>tc filter add dev enp0s9 protocol ip prio 20 parent ffff: \
>	flower \
>		ip_proto 6 \
>		indev enp0s9 \
>		skip_sw \
>	action skbedit mark 0x1234
>
>Signed-off-by: Amir Vadai <amirva@...lanox.com>
Acked-by: Jiri Pirko <jiri@...lanox.com>