diff options
author | Tom Herbert <therbert@google.com> | 2014-08-23 00:34:04 +0400 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2014-08-25 05:09:23 +0400 |
commit | 1933a7852ce6a81349855431b25122d7666bbfca (patch) | |
tree | eae9d27a1800e7b3317aa4441457615858b783f9 /include/net/ip.h | |
parent | 573e8fca255a27e3573b51f9b183d62641c47a3d (diff) | |
download | linux-1933a7852ce6a81349855431b25122d7666bbfca.tar.xz |
net: add gro_compute_pseudo functions
Add inet_gro_compute_pseudo and ip6_gro_compute_pseudo. These are
the logical equivalents of inet_compute_pseudo and ip6_compute_pseudo
for GRO path. The IP header is taken from skb_gro_network_header.
Signed-off-by: Tom Herbert <therbert@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/ip.h')
-rw-r--r-- | include/net/ip.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/net/ip.h b/include/net/ip.h index db4a771b9ef3..c8fd6112bd0b 100644 --- a/include/net/ip.h +++ b/include/net/ip.h @@ -364,6 +364,14 @@ static inline void inet_set_txhash(struct sock *sk) sk->sk_txhash = flow_hash_from_keys(&keys); } +static inline __wsum inet_gro_compute_pseudo(struct sk_buff *skb, int proto) +{ + const struct iphdr *iph = skb_gro_network_header(skb); + + return csum_tcpudp_nofold(iph->saddr, iph->daddr, + skb_gro_len(skb), proto, 0); +} + /* * Map a multicast IP onto multicast MAC for type ethernet. */ |