netdev - Re: [patch net-next v3 15/17] bridge: add new hwmode swdev

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Date:	Tue, 25 Nov 2014 11:07:55 -0500
From:	Jamal Hadi Salim <jhs@...atatu.com>
To:	Jiri Pirko <jiri@...nulli.us>, netdev@...r.kernel.org
CC:	davem@...emloft.net, nhorman@...driver.com, andy@...yhouse.net,
	tgraf@...g.ch, dborkman@...hat.com, ogerlitz@...lanox.com,
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	xiyou.wangcong@...il.com, john.r.fastabend@...el.com,
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	bcrl@...ck.org
Subject: Re: [patch net-next v3 15/17] bridge: add new hwmode swdev

On 11/25/14 05:28, Jiri Pirko wrote:
> From: Scott Feldman <sfeldma@...il.com>
>
> Current hwmode settings are "vepa" or "veb".  These are for NIC interfaces
> with basic bridging function offloaded to HW.  Add new "swdev" for full
> switch device offloads.
>
> Signed-off-by: Scott Feldman <sfeldma@...il.com>
> Signed-off-by: Jiri Pirko <jiri@...nulli.us>
> ---
> new in v3
> ---
>   include/uapi/linux/if_bridge.h | 1 +
>   1 file changed, 1 insertion(+)
>
> diff --git a/include/uapi/linux/if_bridge.h b/include/uapi/linux/if_bridge.h
> index da17e45..60425ca 100644
> --- a/include/uapi/linux/if_bridge.h
> +++ b/include/uapi/linux/if_bridge.h
> @@ -105,6 +105,7 @@ struct __fdb_entry {
>
>   #define BRIDGE_MODE_VEB		0	/* Default loopback mode */
>   #define BRIDGE_MODE_VEPA	1	/* 802.1Qbg defined VEPA mode */
> +#define BRIDGE_MODE_SWDEV       2       /* Full switch device offload */
>
>   /* Bridge management nested attributes
>    * [IFLA_AF_SPEC] = {
>

Again - Why is this not a generic interface the way Roopa had it?
We need to do offloads for a lot of other things than just bridge..

cheers,
jamal
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