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authorTrond Myklebust <Trond.Myklebust@netapp.com>2006-06-20 08:59:45 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2006-06-20 08:59:45 -0400
commitd59bf96cdde5b874a57bfd1425faa45da915d0b7 (patch)
tree351a40b72514d620e5bebea2de38c26f23277ffc /net/ipv4/xfrm4_input.c
parent28df955a2ad484d602314b30183ea8496a9aa34a (diff)
parent25f42b6af09e34c3f92107b36b5aa6edc2fdba2f (diff)
Merge branch 'master' of /home/trondmy/kernel/linux-2.6/
Diffstat (limited to 'net/ipv4/xfrm4_input.c')
-rw-r--r--net/ipv4/xfrm4_input.c28
1 files changed, 2 insertions, 26 deletions
diff --git a/net/ipv4/xfrm4_input.c b/net/ipv4/xfrm4_input.c
index 3e174c83bfe7..817ed84511a6 100644
--- a/net/ipv4/xfrm4_input.c
+++ b/net/ipv4/xfrm4_input.c
@@ -13,7 +13,6 @@
#include <linux/string.h>
#include <linux/netfilter.h>
#include <linux/netfilter_ipv4.h>
-#include <net/inet_ecn.h>
#include <net/ip.h>
#include <net/xfrm.h>
@@ -24,15 +23,6 @@ int xfrm4_rcv(struct sk_buff *skb)
EXPORT_SYMBOL(xfrm4_rcv);
-static inline void ipip_ecn_decapsulate(struct sk_buff *skb)
-{
- struct iphdr *outer_iph = skb->nh.iph;
- struct iphdr *inner_iph = skb->h.ipiph;
-
- if (INET_ECN_is_ce(outer_iph->tos))
- IP_ECN_set_ce(inner_iph);
-}
-
static int xfrm4_parse_spi(struct sk_buff *skb, u8 nexthdr, u32 *spi, u32 *seq)
{
switch (nexthdr) {
@@ -113,24 +103,10 @@ int xfrm4_rcv_encap(struct sk_buff *skb, __u16 encap_type)
xfrm_vec[xfrm_nr++] = x;
- iph = skb->nh.iph;
+ if (x->mode->input(x, skb))
+ goto drop;
if (x->props.mode) {
- if (iph->protocol != IPPROTO_IPIP)
- goto drop;
- if (!pskb_may_pull(skb, sizeof(struct iphdr)))
- goto drop;
- if (skb_cloned(skb) &&
- pskb_expand_head(skb, 0, 0, GFP_ATOMIC))
- goto drop;
- if (x->props.flags & XFRM_STATE_DECAP_DSCP)
- ipv4_copy_dscp(iph, skb->h.ipiph);
- if (!(x->props.flags & XFRM_STATE_NOECN))
- ipip_ecn_decapsulate(skb);
- skb->mac.raw = memmove(skb->data - skb->mac_len,
- skb->mac.raw, skb->mac_len);
- skb->nh.raw = skb->data;
- memset(&(IPCB(skb)->opt), 0, sizeof(struct ip_options));
decaps = 1;
break;
}