netdev - Re: [PATCH net-next v2 1/5] net: don't reforward packets already forwarded by offload device

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Message-ID: <20150716082203.GC2145@nanopsycho.orion>
Date:	Thu, 16 Jul 2015 10:22:03 +0200
From:	Jiri Pirko <jiri@...nulli.us>
To:	sfeldma@...il.com
Cc:	netdev@...r.kernel.org, roopa@...ulusnetworks.com,
	simon.horman@...ronome.com
Subject: Re: [PATCH net-next v2 1/5] net: don't reforward packets already
 forwarded by offload device

Thu, Jul 16, 2015 at 10:04:53AM CEST, sfeldma@...il.com wrote:
>From: Scott Feldman <sfeldma@...il.com>
>
>Just before queuing skb for xmit on port, check if skb has been marked by
>switchdev port driver as already fordwarded by device.  If so, drop skb.  A
>non-zero skb->offload_fwd_mark field is set by the switchdev port
>driver/device on ingress to indicate the skb has already been forwarded by
>the device to egress ports with matching dev->skb_mark.  The switchdev port
>driver would assign a non-zero dev->skb_mark for each device port netdev
>during registration, for example.
>
>Signed-off-by: Scott Feldman <sfeldma@...il.com>

Acked-by: Jiri Pirko <jiri@...nulli.us>
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