netdev - Re: [RFC PATCH v3] ipv6: fix handling of blackhole and prohibit routes

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Message-Id: <20120905.175052.246018302031393962.davem@davemloft.net>
Date:	Wed, 05 Sep 2012 17:50:52 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	nicolas.dichtel@...nd.com
Cc:	netdev@...r.kernel.org
Subject: Re: [RFC PATCH v3] ipv6: fix handling of blackhole and prohibit
 routes

From: Nicolas Dichtel <nicolas.dichtel@...nd.com>
Date: Wed,  5 Sep 2012 08:12:42 -0400

> When adding a blackhole or a prohibit route, they were handling like classic
> routes. Moreover, it was only possible to add this kind of routes by specifying
> an interface.
> 
> Bug already reported here:
>   http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=498498
> 
> Before the patch:
>   $ ip route add blackhole 2001::1/128
>   RTNETLINK answers: No such device
>   $ ip route add blackhole 2001::1/128 dev eth0
>   $ ip -6 route | grep 2001
>   2001::1 dev eth0  metric 1024
> 
> After:
>   $ ip route add blackhole 2001::1/128
>   $ ip -6 route | grep 2001
>   blackhole 2001::1 dev lo  metric 1024  error -22
> 
> v2: wrong patch
> v3: add a field fc_type in struct fib6_config to store RTN_* type
> 
> Signed-off-by: Nicolas Dichtel <nicolas.dichtel@...nd.com>

I like this a lot more than your original patch, applied to net-next,
thanks.
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