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Diffstat (limited to 'net/ipv4/route.c')
-rw-r--r--net/ipv4/route.c24
1 files changed, 13 insertions, 11 deletions
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 1730689f560e..075212e41b83 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -109,6 +109,7 @@
#include <linux/sysctl.h>
#endif
#include <net/atmclip.h>
+#include <net/secure_seq.h>
#define RT_FL_TOS(oldflp4) \
((u32)(oldflp4->flowi4_tos & (IPTOS_RT_MASK | RTO_ONLINK)))
@@ -721,7 +722,7 @@ static inline bool compare_hash_inputs(const struct rtable *rt1,
{
return ((((__force u32)rt1->rt_key_dst ^ (__force u32)rt2->rt_key_dst) |
((__force u32)rt1->rt_key_src ^ (__force u32)rt2->rt_key_src) |
- (rt1->rt_iif ^ rt2->rt_iif)) == 0);
+ (rt1->rt_route_iif ^ rt2->rt_route_iif)) == 0);
}
static inline int compare_keys(struct rtable *rt1, struct rtable *rt2)
@@ -730,8 +731,8 @@ static inline int compare_keys(struct rtable *rt1, struct rtable *rt2)
((__force u32)rt1->rt_key_src ^ (__force u32)rt2->rt_key_src) |
(rt1->rt_mark ^ rt2->rt_mark) |
(rt1->rt_key_tos ^ rt2->rt_key_tos) |
- (rt1->rt_oif ^ rt2->rt_oif) |
- (rt1->rt_iif ^ rt2->rt_iif)) == 0;
+ (rt1->rt_route_iif ^ rt2->rt_route_iif) |
+ (rt1->rt_oif ^ rt2->rt_oif)) == 0;
}
static inline int compare_netns(struct rtable *rt1, struct rtable *rt2)
@@ -1628,16 +1629,18 @@ static int check_peer_redir(struct dst_entry *dst, struct inet_peer *peer)
{
struct rtable *rt = (struct rtable *) dst;
__be32 orig_gw = rt->rt_gateway;
- struct neighbour *n;
+ struct neighbour *n, *old_n;
dst_confirm(&rt->dst);
- neigh_release(dst_get_neighbour(&rt->dst));
- dst_set_neighbour(&rt->dst, NULL);
-
rt->rt_gateway = peer->redirect_learned.a4;
- rt_bind_neighbour(rt);
- n = dst_get_neighbour(&rt->dst);
+
+ n = ipv4_neigh_lookup(&rt->dst, &rt->rt_gateway);
+ if (IS_ERR(n))
+ return PTR_ERR(n);
+ old_n = xchg(&rt->dst._neighbour, n);
+ if (old_n)
+ neigh_release(old_n);
if (!n || !(n->nud_state & NUD_VALID)) {
if (n)
neigh_event_send(n, NULL);
@@ -2317,8 +2320,7 @@ int ip_route_input_common(struct sk_buff *skb, __be32 daddr, __be32 saddr,
rth = rcu_dereference(rth->dst.rt_next)) {
if ((((__force u32)rth->rt_key_dst ^ (__force u32)daddr) |
((__force u32)rth->rt_key_src ^ (__force u32)saddr) |
- (rth->rt_iif ^ iif) |
- rth->rt_oif |
+ (rth->rt_route_iif ^ iif) |
(rth->rt_key_tos ^ tos)) == 0 &&
rth->rt_mark == skb->mark &&
net_eq(dev_net(rth->dst.dev), net) &&