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

[Eric Dumazet]

On Wed, Dec 13, 2023 at 5:28 PM Leone Fernando <leone4fernando@xxxxxxxxx> 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@xxxxxxxxx>

Reviewed-by: Eric Dumazet <edumazet@xxxxxxxxxx>