netdev - Re: problem of "ipv4: revert Set rt->rt_iif more sanely on output routes."

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Message-ID: <877hb6sf43.fsf@devron.myhome.or.jp>
Date:	Thu, 07 Apr 2011 16:19:24 +0900
From:	OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>
To:	David Miller <davem@...emloft.net>
Cc:	netdev@...r.kernel.org
Subject: Re: problem of "ipv4: revert Set rt->rt_iif more sanely on output routes."

David Miller <davem@...emloft.net> writes:

> So fix is something like:
>
> 1) Add "int rt_route_iif;" to struct rtable
>
> 2) For input routes, always set rt_route_iif to same value as rt_iif
>
> 3) For output routes, always set rt_route_iif to zero.  Set rt_iif
>    as it is done currently.
>
> 4) Change rt_is_{output,input}_route() to test rt_route_iif
>
> This should fix the bug and not introduce new regressions.
>
> Can you write and test such a patch with your test case?

Ok. I'll try, but I'm not sure I understand the above correctly. Well,
I'll send the patch after testing.

Thanks.
-- 
OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>
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