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authorTom Herbert <therbert@google.com>2014-08-22 22:34:04 +0200
committerDavid S. Miller <davem@davemloft.net>2014-08-25 03:09:23 +0200
commit1933a7852ce6a81349855431b25122d7666bbfca (patch)
treeeae9d27a1800e7b3317aa4441457615858b783f9 /include/net/ip.h
parentnet: skb_gro_checksum_* functions (diff)
downloadlinux-1933a7852ce6a81349855431b25122d7666bbfca.tar.xz
linux-1933a7852ce6a81349855431b25122d7666bbfca.zip
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.h8
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.
*/