[IPV6]: Cache source address as well in ipv6_pinfo{}.
Based on MIPL2 kernel patch.
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: Ville Nuorvala <vnuorval@tcs.hut.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c
index 231bc7c..f9c5e12 100644
--- a/net/dccp/ipv6.c
+++ b/net/dccp/ipv6.c
@@ -231,7 +231,7 @@
ipv6_addr_copy(&np->saddr, saddr);
inet->rcv_saddr = LOOPBACK4_IPV6;
- __ip6_dst_store(sk, dst, NULL);
+ __ip6_dst_store(sk, dst, NULL, NULL);
icsk->icsk_ext_hdr_len = 0;
if (np->opt != NULL)
@@ -872,7 +872,7 @@
* comment in that function for the gory details. -acme
*/
- __ip6_dst_store(newsk, dst, NULL);
+ __ip6_dst_store(newsk, dst, NULL, NULL);
newsk->sk_route_caps = dst->dev->features & ~(NETIF_F_IP_CSUM |
NETIF_F_TSO);
newdp6 = (struct dccp6_sock *)newsk;
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index 2ff600c..57ee5dd 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -659,7 +659,7 @@
return err;
}
- __ip6_dst_store(sk, dst, NULL);
+ __ip6_dst_store(sk, dst, NULL, NULL);
}
return 0;
diff --git a/net/ipv6/datagram.c b/net/ipv6/datagram.c
index c73508e..8561b9d 100644
--- a/net/ipv6/datagram.c
+++ b/net/ipv6/datagram.c
@@ -193,7 +193,12 @@
ip6_dst_store(sk, dst,
ipv6_addr_equal(&fl.fl6_dst, &np->daddr) ?
- &np->daddr : NULL);
+ &np->daddr : NULL,
+#ifdef CONFIG_IPV6_SUBTREES
+ ipv6_addr_equal(&fl.fl6_src, &np->saddr) ?
+ &np->saddr :
+#endif
+ NULL);
sk->sk_state = TCP_ESTABLISHED;
out:
diff --git a/net/ipv6/inet6_connection_sock.c b/net/ipv6/inet6_connection_sock.c
index 7a51a25..827f41d 100644
--- a/net/ipv6/inet6_connection_sock.c
+++ b/net/ipv6/inet6_connection_sock.c
@@ -186,7 +186,7 @@
return err;
}
- __ip6_dst_store(sk, dst, NULL);
+ __ip6_dst_store(sk, dst, NULL, NULL);
}
skb->dst = dst_clone(dst);
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 0a18cb6..2a376b7 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -762,6 +762,9 @@
* 2. oif also should be the same.
*/
if (ip6_rt_check(&rt->rt6i_dst, &fl->fl6_dst, np->daddr_cache) ||
+#ifdef CONFIG_IPV6_SUBTREES
+ ip6_rt_check(&rt->rt6i_src, &fl->fl6_src, np->saddr_cache) ||
+#endif
(fl->oif && fl->oif != dst->dev->ifindex)) {
dst_release(dst);
dst = NULL;
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 7f1b660..2b18918 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -272,7 +272,7 @@
inet->rcv_saddr = LOOPBACK4_IPV6;
sk->sk_gso_type = SKB_GSO_TCPV6;
- __ip6_dst_store(sk, dst, NULL);
+ __ip6_dst_store(sk, dst, NULL, NULL);
icsk->icsk_ext_hdr_len = 0;
if (np->opt)
@@ -954,7 +954,7 @@
*/
newsk->sk_gso_type = SKB_GSO_TCPV6;
- __ip6_dst_store(newsk, dst, NULL);
+ __ip6_dst_store(newsk, dst, NULL, NULL);
newtcp6sk = (struct tcp6_sock *)newsk;
inet_sk(newsk)->pinet6 = &newtcp6sk->inet6;
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index eb9e1b3..b9cc55c 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -847,7 +847,12 @@
if (connected) {
ip6_dst_store(sk, dst,
ipv6_addr_equal(&fl->fl6_dst, &np->daddr) ?
- &np->daddr : NULL);
+ &np->daddr : NULL,
+#ifdef CONFIG_IPV6_SUBTREES
+ ipv6_addr_equal(&fl->fl6_src, &np->saddr) ?
+ &np->saddr :
+#endif
+ NULL);
} else {
dst_release(dst);
}