On Tue, May 16, 2017 at 8:44 AM, Miroslav Lichvar <mlich...@redhat.com> wrote:
> Since commit b68581778cd0 ("net: Make skb->skb_iif always track
> skb->dev") skbs don't have the original index of the interface which
> received the packet. This information is now needed for a new control
> message related to hardware timestamping.
>
> Instead of adding a new field to skb, we can find the device by the NAPI
> ID if it is available, i.e. CONFIG_NET_RX_BUSY_POLL is enabled and the
> driver is using NAPI. Add dev_get_by_napi_id() and also skb_napi_id() to
> hide the CONFIG_NET_RX_BUSY_POLL ifdef.
>
> CC: Richard Cochran <richardcoch...@gmail.com>
> CC: Willem de Bruijn <will...@google.com>
> Suggested-by: Willem de Bruijn <will...@google.com>
> Signed-off-by: Miroslav Lichvar <mlich...@redhat.com>Acked-by: Willem de Bruijn <will...@google.com>
