aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--include/net/inetpeer.h1
-rw-r--r--net/ipv4/inetpeer.c1
-rw-r--r--net/ipv4/route.c11
3 files changed, 2 insertions, 11 deletions
diff --git a/include/net/inetpeer.h b/include/net/inetpeer.h
index ff04a33acf00..b94765e38e80 100644
--- a/include/net/inetpeer.h
+++ b/include/net/inetpeer.h
@@ -35,7 +35,6 @@ struct inet_peer {
35 35
36 u32 metrics[RTAX_MAX]; 36 u32 metrics[RTAX_MAX];
37 u32 rate_tokens; /* rate limiting for ICMP */ 37 u32 rate_tokens; /* rate limiting for ICMP */
38 int redirect_genid;
39 unsigned long rate_last; 38 unsigned long rate_last;
40 unsigned long pmtu_expires; 39 unsigned long pmtu_expires;
41 u32 pmtu_orig; 40 u32 pmtu_orig;
diff --git a/net/ipv4/inetpeer.c b/net/ipv4/inetpeer.c
index deea2e96b7f2..d4d61b694fab 100644
--- a/net/ipv4/inetpeer.c
+++ b/net/ipv4/inetpeer.c
@@ -498,7 +498,6 @@ relookup:
498 p->rate_last = 0; 498 p->rate_last = 0;
499 p->pmtu_expires = 0; 499 p->pmtu_expires = 0;
500 p->pmtu_orig = 0; 500 p->pmtu_orig = 0;
501 p->redirect_genid = 0;
502 memset(&p->redirect_learned, 0, sizeof(p->redirect_learned)); 501 memset(&p->redirect_learned, 0, sizeof(p->redirect_learned));
503 INIT_LIST_HEAD(&p->gc_list); 502 INIT_LIST_HEAD(&p->gc_list);
504 503
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 23ce0c1287ab..019774796174 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -132,7 +132,6 @@ static int ip_rt_mtu_expires __read_mostly = 10 * 60 * HZ;
132static int ip_rt_min_pmtu __read_mostly = 512 + 20 + 20; 132static int ip_rt_min_pmtu __read_mostly = 512 + 20 + 20;
133static int ip_rt_min_advmss __read_mostly = 256; 133static int ip_rt_min_advmss __read_mostly = 256;
134static int rt_chain_length_max __read_mostly = 20; 134static int rt_chain_length_max __read_mostly = 20;
135static int redirect_genid;
136 135
137static struct delayed_work expires_work; 136static struct delayed_work expires_work;
138static unsigned long expires_ljiffies; 137static unsigned long expires_ljiffies;
@@ -937,7 +936,6 @@ static void rt_cache_invalidate(struct net *net)
937 936
938 get_random_bytes(&shuffle, sizeof(shuffle)); 937 get_random_bytes(&shuffle, sizeof(shuffle));
939 atomic_add(shuffle + 1U, &net->ipv4.rt_genid); 938 atomic_add(shuffle + 1U, &net->ipv4.rt_genid);
940 redirect_genid++;
941 inetpeer_invalidate_tree(AF_INET); 939 inetpeer_invalidate_tree(AF_INET);
942} 940}
943 941
@@ -1486,10 +1484,8 @@ void ip_rt_redirect(__be32 old_gw, __be32 daddr, __be32 new_gw,
1486 1484
1487 peer = rt->peer; 1485 peer = rt->peer;
1488 if (peer) { 1486 if (peer) {
1489 if (peer->redirect_learned.a4 != new_gw || 1487 if (peer->redirect_learned.a4 != new_gw) {
1490 peer->redirect_genid != redirect_genid) {
1491 peer->redirect_learned.a4 = new_gw; 1488 peer->redirect_learned.a4 = new_gw;
1492 peer->redirect_genid = redirect_genid;
1493 atomic_inc(&__rt_peer_genid); 1489 atomic_inc(&__rt_peer_genid);
1494 } 1490 }
1495 check_peer_redir(&rt->dst, peer); 1491 check_peer_redir(&rt->dst, peer);
@@ -1794,8 +1790,6 @@ static void ipv4_validate_peer(struct rtable *rt)
1794 if (peer) { 1790 if (peer) {
1795 check_peer_pmtu(&rt->dst, peer); 1791 check_peer_pmtu(&rt->dst, peer);
1796 1792
1797 if (peer->redirect_genid != redirect_genid)
1798 peer->redirect_learned.a4 = 0;
1799 if (peer->redirect_learned.a4 && 1793 if (peer->redirect_learned.a4 &&
1800 peer->redirect_learned.a4 != rt->rt_gateway) 1794 peer->redirect_learned.a4 != rt->rt_gateway)
1801 check_peer_redir(&rt->dst, peer); 1795 check_peer_redir(&rt->dst, peer);
@@ -1959,8 +1953,7 @@ static void rt_init_metrics(struct rtable *rt, const struct flowi4 *fl4,
1959 dst_init_metrics(&rt->dst, peer->metrics, false); 1953 dst_init_metrics(&rt->dst, peer->metrics, false);
1960 1954
1961 check_peer_pmtu(&rt->dst, peer); 1955 check_peer_pmtu(&rt->dst, peer);
1962 if (peer->redirect_genid != redirect_genid) 1956
1963 peer->redirect_learned.a4 = 0;
1964 if (peer->redirect_learned.a4 && 1957 if (peer->redirect_learned.a4 &&
1965 peer->redirect_learned.a4 != rt->rt_gateway) { 1958 peer->redirect_learned.a4 != rt->rt_gateway) {
1966 rt->rt_gateway = peer->redirect_learned.a4; 1959 rt->rt_gateway = peer->redirect_learned.a4;