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authorArnaldo Carvalho de Melo <acme@redhat.com>2007-04-10 20:50:43 -0700
committerDavid S. Miller <davem@sunset.davemloft.net>2007-04-25 22:24:59 -0700
commitd56f90a7c96da5187f0cdf07ee7434fe6aa78bbc (patch)
tree3b9073cecfbb3b6a1e25ab2b5dd2a22a43aef238 /include/net/inet_ecn.h
parentbbe735e4247dba32568a305553b010081c8dea99 (diff)
[SK_BUFF]: Introduce skb_network_header()
For the places where we need a pointer to the network header, it is still legal to touch skb->nh.raw directly if just adding to, subtracting from or setting it to another layer header. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/inet_ecn.h')
-rw-r--r--include/net/inet_ecn.h6
1 files changed, 4 insertions, 2 deletions
diff --git a/include/net/inet_ecn.h b/include/net/inet_ecn.h
index 10117c8503e..b9ed3898e36 100644
--- a/include/net/inet_ecn.h
+++ b/include/net/inet_ecn.h
@@ -114,12 +114,14 @@ static inline int INET_ECN_set_ce(struct sk_buff *skb)
{
switch (skb->protocol) {
case __constant_htons(ETH_P_IP):
- if (skb->nh.raw + sizeof(struct iphdr) <= skb->tail)
+ if (skb_network_header(skb) + sizeof(struct iphdr) <=
+ skb->tail)
return IP_ECN_set_ce(skb->nh.iph);
break;
case __constant_htons(ETH_P_IPV6):
- if (skb->nh.raw + sizeof(struct ipv6hdr) <= skb->tail)
+ if (skb_network_header(skb) + sizeof(struct ipv6hdr) <=
+ skb->tail)
return IP6_ECN_set_ce(skb->nh.ipv6h);
break;
}