gre: When GRE csum is present count as encap layer wrt csum

In GRE demux if the GRE checksum pop rcv encapsulation so that any
encapsulated checksums are treated as tunnel checksums.

Signed-off-by: Tom Herbert <therbert@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Tom Herbert 2014-08-22 13:34:52 -07:00 committed by David S. Miller
parent 57c67ff4bd
commit 48a5fc7731
1 changed files with 1 additions and 0 deletions

View File

@ -125,6 +125,7 @@ static int parse_gre_header(struct sk_buff *skb, struct tnl_ptk_info *tpi,
*csum_err = true;
return -EINVAL;
}
skb_pop_rcv_encapsulation(skb);
options++;
}