tree 9e0dae4b6a5c254804136df0ee6827c3ba0f3b26
parent a68491f895a937778bb25b0795830797239de31f
author Daniel Borkmann <daniel@iogearbox.net> 1498954405 +0200
committer David S. Miller <davem@davemloft.net> 1499073771 -0700

bpf, net: add skb_mac_header_len helper

Add a small skb_mac_header_len() helper similarly as the
skb_network_header_len() we have and replace open coded
places in BPF's bpf_skb_change_proto() helper. Will also
be used in upcoming work.

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: John Fastabend <john.fastabend@gmail.com>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>