tun: Add XDP frame size
authorJesper Dangaard Brouer <brouer@redhat.com>
Thu, 14 May 2020 10:50:34 +0000 (12:50 +0200)
committerAlexei Starovoitov <ast@kernel.org>
Fri, 15 May 2020 04:21:55 +0000 (21:21 -0700)
commitfb3e6e9307973d2f70a173f1b33d1054fa2b691f
tree32bcb2a25ff637e86999d7b7931f6aeb2557f801
parentfa6540b8efd8944f8627c2f304114663ef4aadc4
tun: Add XDP frame size

The tun driver have two code paths for running XDP (bpf_prog_run_xdp).
In both cases 'buflen' contains enough tailroom for skb_shared_info.

Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Link: https://lore.kernel.org/bpf/158945343419.97035.9594485183958037621.stgit@firesoul
drivers/net/tun.c