From: Amritha Nambiar <amritha.namb...@intel.com> Date: Thu, 18 Jun 2020 14:22:15 -0700
> This will be useful to allow busy poll for tunneled traffic. In case of > busy poll for sessions over tunnels, the underlying physical device's > queues need to be polled. > > Tunnels schedule NAPI either via netif_rx() for backlog queue or > schedule the gro_cell_poll(). netif_rx() propagates the valid skb->napi_id > to the socket. OTOH, gro_cell_poll() stamps the skb->napi_id again by > calling skb_mark_napi_id() with the tunnel NAPI which is not a busy poll > candidate. This was preventing tunneled traffic to use busy poll. A valid > NAPI ID in the skb indicates it was already marked for busy poll by a > NAPI driver and hence needs to be copied into the socket. > > Signed-off-by: Amritha Nambiar <amritha.namb...@intel.com> Applied, thank you.
