netdev - Re: [PATCH 11/16] ipv4: Cache input routes in fib

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Message-ID: <alpine.LFD.2.00.1207232245230.1619@ja.ssi.bg>
Date:	Mon, 23 Jul 2012 23:00:57 +0300 (EEST)
From:	Julian Anastasov <ja@....bg>
To:	David Miller <davem@...emloft.net>
cc:	netdev@...r.kernel.org
Subject: Re: [PATCH 11/16] ipv4: Cache input routes in fib_info nexthops.

	Hello,

On Mon, 23 Jul 2012, Julian Anastasov wrote:

> 	The problem with rt_iif is worse. May be we
> can cache only the first iif, other packets will see
> different iif in nh_rth_input and will get non-cached
> result. For boxes with 2 or more interfaces only one
> can use the cache. One setup can have large traffic
> from LAN, other can be server for remote clients.

	May be we can replace rt_iif with skb->dev->ifindex ?
If we have dst, there must be skb->dev ? Only for
output routes we should check places that rely on
inet_iif().

Regards

--
Julian Anastasov <ja@....bg>
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