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Message-ID: <CANn89iLcXjzWQSs9VW-=c0d0YL0Ksc4B54cTYZawUUnBkSLRNg@mail.gmail.com>
Date: Thu, 14 Dec 2023 14:16:38 +0100
From: Eric Dumazet <edumazet@...gle.com>
To: Leone Fernando <leone4fernando@...il.com>
Cc: davem@...emloft.net, dsahern@...nel.org, kuba@...nel.org,
pabeni@...hat.com, netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next v2] ipmr: support IP_PKTINFO on cache report IGMP msg
On Wed, Dec 13, 2023 at 5:28 PM Leone Fernando <leone4fernando@...il.com> wrote:
>
> In order to support IP_PKTINFO on those packets, we need to call
> ipv4_pktinfo_prepare.
>
> When sending mrouted/pimd daemons a cache report IGMP msg, it is
> unnecessary to set dst on the newly created skb.
> It used to be necessary on older versions until
> commit d826eb14ecef ("ipv4: PKTINFO doesnt need dst reference") which
> changed the way IP_PKTINFO struct is been retrieved.
>
> Changes from v1:
> 1. Undo changes in ipv4_pktinfo_prepare function. use it directly
> and copy the control block.
>
> Fixes: d826eb14ecef ("ipv4: PKTINFO doesnt need dst reference")
> Signed-off-by: Leone Fernando <leone4fernando@...il.com>
Reviewed-by: Eric Dumazet <edumazet@...gle.com>
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