[NETNS][IPV6] route6 - Pass the network namespace parameter to rt6_lookup

Add a network namespace parameter to rt6_lookup().

Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com>
Signed-off-by: Benjamin Thery <benjamin.thery@bull.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 files changed, 16 insertions, 15 deletions

diff --git a/include/net/ip6_route.h b/include/net/ip6_route.h
index 79dce496f4d4..92004c5160c7 100644
--- a/include/net/ip6_route.h
+++ b/include/net/ip6_route.h
@@ -69,7 +69,8 @@ extern void			rt6_sndmsg(int type, struct in6_addr *dst,
                                            int dstlen, int srclen,
                                            int metric, __u32 flags);
 
-extern struct rt6_info          *rt6_lookup(struct in6_addr *daddr,
+extern struct rt6_info          *rt6_lookup(struct net *net,
+                                            struct in6_addr *daddr,
                                             struct in6_addr *saddr,
                                             int oif, int flags);
 
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index a1d872dacad6..9d894e8c7b72 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -753,7 +753,7 @@ static void ipv6_del_addr(struct inet6_ifaddr *ifp)
                 struct rt6_info *rt;
 
                 ipv6_addr_prefix(&prefix, &ifp->addr, ifp->prefix_len);
-                rt = rt6_lookup(&prefix, NULL, ifp->idev->dev->ifindex, 1);
+                rt = rt6_lookup(&init_net, &prefix, NULL, ifp->idev->dev->ifindex, 1);
 
                 if (rt && ((rt->rt6i_flags & (RTF_GATEWAY | RTF_DEFAULT)) == 0)) {
                         if (onlink == 0) {
@@ -1700,7 +1700,7 @@ void addrconf_prefix_rcv(struct net_device *dev, u8 *opt, int len)
 
         if (pinfo->onlink) {
                 struct rt6_info *rt;
-                rt = rt6_lookup(&pinfo->prefix, NULL, dev->ifindex, 1);
+                rt = rt6_lookup(&init_net, &pinfo->prefix, NULL, dev->ifindex, 1);
 
                 if (rt && ((rt->rt6i_flags & (RTF_GATEWAY | RTF_DEFAULT)) == 0)) {
                         if (rt->rt6i_flags&RTF_EXPIRES) {
diff --git a/net/ipv6/anycast.c b/net/ipv6/anycast.c
index 9c7f83fbc3a1..96868b994b37 100644
--- a/net/ipv6/anycast.c
+++ b/net/ipv6/anycast.c
@@ -101,7 +101,7 @@ int ipv6_sock_ac_join(struct sock *sk, int ifindex, struct in6_addr *addr)
         if (ifindex == 0) {
                 struct rt6_info *rt;
 
-                rt = rt6_lookup(addr, NULL, 0, 0);
+                rt = rt6_lookup(&init_net, addr, NULL, 0, 0);
                 if (rt) {
                         dev = rt->rt6i_dev;
                         dev_hold(dev);
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index 78f438880923..4e1981660b3c 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -602,7 +602,7 @@ ip6ip6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
                 skb_reset_network_header(skb2);
 
                 /* Try to guess incoming interface */
-                rt = rt6_lookup(&ipv6_hdr(skb2)->saddr, NULL, 0, 0);
+                rt = rt6_lookup(&init_net, &ipv6_hdr(skb2)->saddr, NULL, 0, 0);
 
                 if (rt && rt->rt6i_dev)
                         skb2->dev = rt->rt6i_dev;
@@ -1112,7 +1112,7 @@ static void ip6_tnl_link_config(struct ip6_tnl *t)
                 int strict = (ipv6_addr_type(&p->raddr) &
                               (IPV6_ADDR_MULTICAST|IPV6_ADDR_LINKLOCAL));
 
-                struct rt6_info *rt = rt6_lookup(&p->raddr, &p->laddr,
+                struct rt6_info *rt = rt6_lookup(&init_net, &p->raddr, &p->laddr,
                                                  p->link, strict);
 
                 if (rt == NULL)
diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c
index a373b8e7f241..197ca390a15d 100644
--- a/net/ipv6/mcast.c
+++ b/net/ipv6/mcast.c
@@ -208,7 +208,7 @@ int ipv6_sock_mc_join(struct sock *sk, int ifindex, struct in6_addr *addr)
 
         if (ifindex == 0) {
                 struct rt6_info *rt;
-                rt = rt6_lookup(addr, NULL, 0, 0);
+                rt = rt6_lookup(&init_net, addr, NULL, 0, 0);
                 if (rt) {
                         dev = rt->rt6i_dev;
                         dev_hold(dev);
@@ -294,7 +294,7 @@ static struct inet6_dev *ip6_mc_find_dev(struct in6_addr *group, int ifindex)
         if (ifindex == 0) {
                 struct rt6_info *rt;
 
-                rt = rt6_lookup(group, NULL, 0, 0);
+                rt = rt6_lookup(&init_net, group, NULL, 0, 0);
                 if (rt) {
                         dev = rt->rt6i_dev;
                         dev_hold(dev);
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 5d9d293156cd..d9d840ced1c6 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -553,8 +553,8 @@ out:
 
 }
 
-struct rt6_info *rt6_lookup(struct in6_addr *daddr, struct in6_addr *saddr,
-                            int oif, int strict)
+struct rt6_info *rt6_lookup(struct net *net, struct in6_addr *daddr,
+                            struct in6_addr *saddr, int oif, int strict)
 {
         struct flowi fl = {
                 .oif = oif,
@@ -572,7 +572,7 @@ struct rt6_info *rt6_lookup(struct in6_addr *daddr, struct in6_addr *saddr,
                 flags |= RT6_LOOKUP_F_HAS_SADDR;
         }
 
-        dst = fib6_rule_lookup(&init_net, &fl, flags, ip6_pol_route_lookup);
+        dst = fib6_rule_lookup(net, &fl, flags, ip6_pol_route_lookup);
         if (dst->error == 0)
                 return (struct rt6_info *) dst;
 
@@ -1159,7 +1159,7 @@ int ip6_route_add(struct fib6_config *cfg)
                         if (!(gwa_type&IPV6_ADDR_UNICAST))
                                 goto out;
 
-                        grt = rt6_lookup(gw_addr, NULL, cfg->fc_ifindex, 1);
+                        grt = rt6_lookup(&init_net, gw_addr, NULL, cfg->fc_ifindex, 1);
 
                         err = -EHOSTUNREACH;
                         if (grt == NULL)
@@ -1483,7 +1483,7 @@ void rt6_pmtu_discovery(struct in6_addr *daddr, struct in6_addr *saddr,
         struct rt6_info *rt, *nrt;
         int allfrag = 0;
 
-        rt = rt6_lookup(daddr, saddr, dev->ifindex, 0);
+        rt = rt6_lookup(dev->nd_net, daddr, saddr, dev->ifindex, 0);
         if (rt == NULL)
                 return;
 
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index 1656c003b989..68720aa63f96 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -339,11 +339,11 @@ out:
         skb_reset_network_header(skb2);
 
         /* Try to guess incoming interface */
-        rt6i = rt6_lookup(&iph6->saddr, NULL, NULL, 0);
+        rt6i = rt6_lookup(&init_net, &iph6->saddr, NULL, NULL, 0);
         if (rt6i && rt6i->rt6i_dev) {
                 skb2->dev = rt6i->rt6i_dev;
 
-                rt6i = rt6_lookup(&iph6->daddr, &iph6->saddr, NULL, 0);
+                rt6i = rt6_lookup(&init_net, &iph6->daddr, &iph6->saddr, NULL, 0);
 
                 if (rt6i && rt6i->rt6i_dev && rt6i->rt6i_dev->type == ARPHRD_SIT) {
                         struct ip_tunnel *t = netdev_priv(rt6i->rt6i_dev);