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authorLinus Torvalds <torvalds@g5.osdl.org>2006-02-15 08:49:23 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-02-15 08:49:23 -0800
commit7775aa7690c26b3c5606090a43533a7a7429eb91 (patch)
treec7589a023107babbe88be1d03ab77c1838435629
parent93544cc6486bea12e127ed58ca33477bb6ceafe6 (diff)
parent78872ccb68335b14f0d1ac7338ecfcbf1cba1df4 (diff)
Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
-rw-r--r--include/linux/netfilter_ipv4.h2
-rw-r--r--net/bridge/br_stp_if.c4
-rw-r--r--net/ipv4/netfilter.c41
-rw-r--r--net/ipv4/netfilter/ip_nat_standalone.c6
4 files changed, 47 insertions, 6 deletions
diff --git a/include/linux/netfilter_ipv4.h b/include/linux/netfilter_ipv4.h
index fdc4a952734..43c09d790b8 100644
--- a/include/linux/netfilter_ipv4.h
+++ b/include/linux/netfilter_ipv4.h
@@ -79,7 +79,7 @@ enum nf_ip_hook_priorities {
#ifdef __KERNEL__
extern int ip_route_me_harder(struct sk_buff **pskb);
-
+extern int ip_xfrm_me_harder(struct sk_buff **pskb);
#endif /*__KERNEL__*/
#endif /*__LINUX_IP_NETFILTER_H*/
diff --git a/net/bridge/br_stp_if.c b/net/bridge/br_stp_if.c
index cc047f7fb6e..35cf3a07408 100644
--- a/net/bridge/br_stp_if.c
+++ b/net/bridge/br_stp_if.c
@@ -67,7 +67,7 @@ void br_stp_disable_bridge(struct net_bridge *br)
{
struct net_bridge_port *p;
- spin_lock(&br->lock);
+ spin_lock_bh(&br->lock);
list_for_each_entry(p, &br->port_list, list) {
if (p->state != BR_STATE_DISABLED)
br_stp_disable_port(p);
@@ -76,7 +76,7 @@ void br_stp_disable_bridge(struct net_bridge *br)
br->topology_change = 0;
br->topology_change_detected = 0;
- spin_unlock(&br->lock);
+ spin_unlock_bh(&br->lock);
del_timer_sync(&br->hello_timer);
del_timer_sync(&br->topology_change_timer);
diff --git a/net/ipv4/netfilter.c b/net/ipv4/netfilter.c
index 52a3d7c5790..ed42cdc57cd 100644
--- a/net/ipv4/netfilter.c
+++ b/net/ipv4/netfilter.c
@@ -78,6 +78,47 @@ int ip_route_me_harder(struct sk_buff **pskb)
}
EXPORT_SYMBOL(ip_route_me_harder);
+#ifdef CONFIG_XFRM
+int ip_xfrm_me_harder(struct sk_buff **pskb)
+{
+ struct flowi fl;
+ unsigned int hh_len;
+ struct dst_entry *dst;
+
+ if (IPCB(*pskb)->flags & IPSKB_XFRM_TRANSFORMED)
+ return 0;
+ if (xfrm_decode_session(*pskb, &fl, AF_INET) < 0)
+ return -1;
+
+ dst = (*pskb)->dst;
+ if (dst->xfrm)
+ dst = ((struct xfrm_dst *)dst)->route;
+ dst_hold(dst);
+
+ if (xfrm_lookup(&dst, &fl, (*pskb)->sk, 0) < 0)
+ return -1;
+
+ dst_release((*pskb)->dst);
+ (*pskb)->dst = dst;
+
+ /* Change in oif may mean change in hh_len. */
+ hh_len = (*pskb)->dst->dev->hard_header_len;
+ if (skb_headroom(*pskb) < hh_len) {
+ struct sk_buff *nskb;
+
+ nskb = skb_realloc_headroom(*pskb, hh_len);
+ if (!nskb)
+ return -1;
+ if ((*pskb)->sk)
+ skb_set_owner_w(nskb, (*pskb)->sk);
+ kfree_skb(*pskb);
+ *pskb = nskb;
+ }
+ return 0;
+}
+EXPORT_SYMBOL(ip_xfrm_me_harder);
+#endif
+
void (*ip_nat_decode_session)(struct sk_buff *, struct flowi *);
EXPORT_SYMBOL(ip_nat_decode_session);
diff --git a/net/ipv4/netfilter/ip_nat_standalone.c b/net/ipv4/netfilter/ip_nat_standalone.c
index 92c54999a19..7c3f7d38024 100644
--- a/net/ipv4/netfilter/ip_nat_standalone.c
+++ b/net/ipv4/netfilter/ip_nat_standalone.c
@@ -235,19 +235,19 @@ ip_nat_out(unsigned int hooknum,
return NF_ACCEPT;
ret = ip_nat_fn(hooknum, pskb, in, out, okfn);
+#ifdef CONFIG_XFRM
if (ret != NF_DROP && ret != NF_STOLEN
&& (ct = ip_conntrack_get(*pskb, &ctinfo)) != NULL) {
enum ip_conntrack_dir dir = CTINFO2DIR(ctinfo);
if (ct->tuplehash[dir].tuple.src.ip !=
ct->tuplehash[!dir].tuple.dst.ip
-#ifdef CONFIG_XFRM
|| ct->tuplehash[dir].tuple.src.u.all !=
ct->tuplehash[!dir].tuple.dst.u.all
-#endif
)
- return ip_route_me_harder(pskb) == 0 ? ret : NF_DROP;
+ return ip_xfrm_me_harder(pskb) == 0 ? ret : NF_DROP;
}
+#endif
return ret;
}