Re: [PATCH net-next] net-core: rx_otherhost_dropped to core_stats
From: Brian Vazquez
Date: Thu Apr 07 2022 - 11:36:39 EST
Looks good to me, thanks Jeffrey.
Reviewed-by: Brian Vazquez <brianvv@xxxxxxxxxx>
On Wed, Apr 6, 2022 at 10:31 PM Jakub Kicinski <kuba@xxxxxxxxxx> wrote:
>
> On Wed, 6 Apr 2022 17:26:00 +0000 Jeffrey Ji wrote:
> > From: Jeffrey Ji <jeffreyji@xxxxxxxxxx>
> >
> > Increment rx_otherhost_dropped counter when packet dropped due to
> > mismatched dest MAC addr.
> >
> > An example when this drop can occur is when manually crafting raw
> > packets that will be consumed by a user space application via a tap
> > device. For testing purposes local traffic was generated using trafgen
> > for the client and netcat to start a server
> >
> > Tested: Created 2 netns, sent 1 packet using trafgen from 1 to the other
> > with "{eth(daddr=$INCORRECT_MAC...}", verified that iproute2 showed the
> > counter was incremented. (Also had to modify iproute2 to show the stat,
> > additional patch for that coming next.)
> >
> > Signed-off-by: Jeffrey Ji <jeffreyji@xxxxxxxxxx>
>
> Acked-by: Jakub Kicinski <kuba@xxxxxxxxxx>