netdev - Re: [PATCH net-next v2 3/5] switchdev: add offload_fwd

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Message-ID: <20150716082229.GE2145@nanopsycho.orion>
Date:	Thu, 16 Jul 2015 10:22:29 +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 3/5] switchdev: add offload_fwd_mark
 generator helper

Thu, Jul 16, 2015 at 10:04:55AM CEST, sfeldma@...il.com wrote:
>From: Scott Feldman <sfeldma@...il.com>
>
>skb->offload_fwd_mark and dev->offload_fwd_mark are 32-bit and should be
>unique for device and may even be unique for a sub-set of ports within
>device, so add switchdev helper function to generate unique marks based on
>port's switch ID and group_ifindex.  group_ifindex would typically be the
>container dev's ifindex, such as the bridge's ifindex.
>
>The generator uses a global hash table to store offload_fwd_marks hashed by
>{switch ID, group_ifindex} key.
>
>Signed-off-by: Scott Feldman <sfeldma@...il.com>

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