diff options
| author | Herbert Xu <herbert@gondor.apana.org.au> | 2009-04-27 05:44:45 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-04-27 05:44:45 -0700 |
| commit | 36e7b1b8dac1a785abca3a121b6b0b79f1a8d7df (patch) | |
| tree | cdde7191a6e5d78bf9603983d5a71ec99fd5385b /include/linux/netdevice.h | |
| parent | edbd9e30306067c3a45c035eb95a6f49daaa2337 (diff) | |
gro: Fix COMPLETE checksum handling
On a brand new GRO skb, we cannot call ip_hdr since the header
may lie in the non-linear area. This patch adds the helper
skb_gro_network_header to handle this.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/netdevice.h')
| -rw-r--r-- | include/linux/netdevice.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index c9ef41916071..fe20d171acf1 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -1142,6 +1142,13 @@ static inline void *skb_gro_mac_header(struct sk_buff *skb) skb_shinfo(skb)->frags[0].page_offset; } +static inline void *skb_gro_network_header(struct sk_buff *skb) +{ + return skb_headlen(skb) ? skb_network_header(skb) : + page_address(skb_shinfo(skb)->frags[0].page) + + skb_shinfo(skb)->frags[0].page_offset + skb_network_offset(skb); +} + static inline int dev_hard_header(struct sk_buff *skb, struct net_device *dev, unsigned short type, const void *daddr, const void *saddr, |