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

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Message-ID: <5756EA44.7050301@gmail.com>
Date:	Tue, 7 Jun 2016 08:37:40 -0700
From:	John Fastabend <john.fastabend@...il.com>
To:	Amir Vadai <amir@...ai.me>, "David S. Miller" <davem@...emloft.net>
Cc:	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

On 16-06-05 07:11 AM, Amir Vadai 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>
> ---



Looks good to me. Although we need to do the same error propagation in
flower that Jakub just added to cls_u32.

Acked-by: John Fastabend <john.r.fastabend@...el.com>