netdev - Re: [PATCH net-next v2] ipmr: support IP_PKTINFO on cache report IGMP msg

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Message-ID: <20231218160022.60434a91@kernel.org>
Date: Mon, 18 Dec 2023 16:00:22 -0800
From: Jakub Kicinski <kuba@...nel.org>
To: Leone Fernando <leone4fernando@...il.com>
Cc: davem@...emloft.net, dsahern@...nel.org, edumazet@...gle.com,
 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, 13 Dec 2023 17:19:35 +0100 Leone Fernando 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>

Applied to net-next, thanks!