netdev - Re: [PATCH v6 BONUS 4/3] ipv4: Store rtable entries directly in FIB

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Message-Id: <20110506.105714.193719418.davem@davemloft.net>
Date:	Fri, 06 May 2011 10:57:14 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	ja@....bg
Cc:	netdev@...r.kernel.org, tgraf@...g.ch, jpirko@...hat.com,
	herbert@...dor.hengli.com.au, eric.dumazet@...il.com
Subject: Re: [PATCH v6 BONUS 4/3] ipv4: Store rtable entries directly in FIB

From: Julian Anastasov <ja@....bg>
Date: Fri, 6 May 2011 12:12:26 +0300 (EEST)

> 	Caching results of __mkroute_output in NH does
> not work well for RTN_MULTICAST because ip_check_mc_rcu
> wants to further restrict local delivery depending on
> the source address and protocol.

I understand that multicast needs special handling.

I'm concentrating on unicast/broadcast at the moment because
there is a predominantly clear path for making that work.
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