netdev - Re: 3.6 routing cache regression, multicast loopback broken

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Message-Id: <20121121.122546.2071233763408394785.davem@davemloft.net>
Date:	Wed, 21 Nov 2012 12:25:46 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	ja@....bg
Cc:	mbizon@...ebox.fr, netdev@...r.kernel.org
Subject: Re: 3.6 routing cache regression, multicast loopback broken

From: Julian Anastasov <ja@....bg>
Date: Wed, 21 Nov 2012 02:35:34 +0200 (EET)

> [PATCH net-next] ipv4: do not cache looped multicasts
> 
> 	We have two cases for outgoing multicasts
> depending on the membership: with or without RTCF_LOCAL.
> Currently, we use caching only if route to 224/4 is used.
> As we can not cache for both cases, optimize the caching
> for senders only, do not cache routes with RTCF_LOCAL
> flag set.
> 
> Signed-off-by: Julian Anastasov <ja@....bg>

The sad part is that you warned me about this issue nearly
2 years ago Julian, sorry :-/
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