1 files changed, 22 insertions, 18 deletions

diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 8b67ca07467d..0af2e055f883 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -55,6 +55,7 @@
 #include <net/icmp.h>
 #include <net/xfrm.h>
 #include <net/checksum.h>
+#include <linux/mroute6.h>
 
 static int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *));
 
@@ -137,8 +138,9 @@ static int ip6_output2(struct sk_buff *skb)
                 struct inet6_dev *idev = ip6_dst_idev(skb->dst);
 
                 if (!(dev->flags & IFF_LOOPBACK) && (!np || np->mc_loop) &&
-                    ipv6_chk_mcast_addr(dev, &ipv6_hdr(skb)->daddr,
-                                        &ipv6_hdr(skb)->saddr)) {
+                    ((mroute6_socket && !(IP6CB(skb)->flags & IP6SKB_FORWARDED)) ||
+                     ipv6_chk_mcast_addr(dev, &ipv6_hdr(skb)->daddr,
+                                         &ipv6_hdr(skb)->saddr))) {
                         struct sk_buff *newskb = skb_clone(skb, GFP_ATOMIC);
 
                         /* Do not check for IFF_ALLMULTI; multicast routing
@@ -237,9 +239,7 @@ int ip6_xmit(struct sock *sk, struct sk_buff *skb, struct flowi *fl,
         if (np)
                 hlimit = np->hop_limit;
         if (hlimit < 0)
-                hlimit = dst_metric(dst, RTAX_HOPLIMIT);
-        if (hlimit < 0)
-                hlimit = ipv6_get_hoplimit(dst->dev);
+                hlimit = ip6_dst_hoplimit(dst);
 
         tclass = -1;
         if (np)
@@ -286,7 +286,7 @@ EXPORT_SYMBOL(ip6_xmit);
  */
 
 int ip6_nd_hdr(struct sock *sk, struct sk_buff *skb, struct net_device *dev,
-               struct in6_addr *saddr, struct in6_addr *daddr,
+               const struct in6_addr *saddr, const struct in6_addr *daddr,
                int proto, int len)
 {
         struct ipv6_pinfo *np = inet6_sk(sk);
@@ -404,6 +404,7 @@ int ip6_forward(struct sk_buff *skb)
         struct dst_entry *dst = skb->dst;
         struct ipv6hdr *hdr = ipv6_hdr(skb);
         struct inet6_skb_parm *opt = IP6CB(skb);
+        struct net *net = dev_net(dst->dev);
 
         if (ipv6_devconf.forwarding == 0)
                 goto error;
@@ -450,7 +451,7 @@ int ip6_forward(struct sk_buff *skb)
 
         /* XXX: idev->cnf.proxy_ndp? */
         if (ipv6_devconf.proxy_ndp &&
-            pneigh_lookup(&nd_tbl, &init_net, &hdr->daddr, skb->dev, 0)) {
+            pneigh_lookup(&nd_tbl, net, &hdr->daddr, skb->dev, 0)) {
                 int proxied = ip6_forward_proxy_check(skb);
                 if (proxied > 0)
                         return ip6_input(skb);
@@ -596,7 +597,6 @@ int ip6_find_1stfragopt(struct sk_buff *skb, u8 **nexthdr)
 
         return offset;
 }
-EXPORT_SYMBOL_GPL(ip6_find_1stfragopt);
 
 static int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
 {
@@ -912,15 +912,19 @@ static int ip6_dst_lookup_tail(struct sock *sk,
                                struct dst_entry **dst, struct flowi *fl)
 {
         int err;
+        struct net *net = sock_net(sk);
 
         if (*dst == NULL)
-                *dst = ip6_route_output(sk, fl);
+                *dst = ip6_route_output(net, sk, fl);
 
         if ((err = (*dst)->error))
                 goto out_err_release;
 
         if (ipv6_addr_any(&fl->fl6_src)) {
-                err = ipv6_get_saddr(*dst, &fl->fl6_dst, &fl->fl6_src);
+                err = ipv6_dev_get_saddr(ip6_dst_idev(*dst)->dev,
+                                         &fl->fl6_dst,
+                                         sk ? inet6_sk(sk)->srcprefs : 0,
+                                         &fl->fl6_src);
                 if (err)
                         goto out_err_release;
         }
@@ -939,7 +943,7 @@ static int ip6_dst_lookup_tail(struct sock *sk,
                         struct flowi fl_gw;
                         int redirect;
 
-                        ifp = ipv6_get_ifaddr(&init_net, &fl->fl6_src,
+                        ifp = ipv6_get_ifaddr(net, &fl->fl6_src,
                                               (*dst)->dev, 1);
 
                         redirect = (ifp && ifp->flags & IFA_F_OPTIMISTIC);
@@ -954,7 +958,7 @@ static int ip6_dst_lookup_tail(struct sock *sk,
                                 dst_release(*dst);
                                 memcpy(&fl_gw, fl, sizeof(struct flowi));
                                 memset(&fl_gw.fl6_dst, 0, sizeof(struct in6_addr));
-                                *dst = ip6_route_output(sk, &fl_gw);
+                                *dst = ip6_route_output(net, sk, &fl_gw);
                                 if ((err = (*dst)->error))
                                         goto out_err_release;
                         }
@@ -1113,7 +1117,7 @@ int ip6_append_data(struct sock *sk, int getfrag(void *from, char *to,
                         /* need source address above miyazawa*/
                 }
                 dst_hold(&rt->u.dst);
-                np->cork.rt = rt;
+                inet->cork.dst = &rt->u.dst;
                 inet->cork.fl = *fl;
                 np->cork.hop_limit = hlimit;
                 np->cork.tclass = tclass;
@@ -1134,7 +1138,7 @@ int ip6_append_data(struct sock *sk, int getfrag(void *from, char *to,
                 length += exthdrlen;
                 transhdrlen += exthdrlen;
         } else {
-                rt = np->cork.rt;
+                rt = (struct rt6_info *)inet->cork.dst;
                 fl = &inet->cork.fl;
                 if (inet->cork.flags & IPCORK_OPT)
                         opt = np->cork.opt;
@@ -1379,9 +1383,9 @@ static void ip6_cork_release(struct inet_sock *inet, struct ipv6_pinfo *np)
         inet->cork.flags &= ~IPCORK_OPT;
         kfree(np->cork.opt);
         np->cork.opt = NULL;
-        if (np->cork.rt) {
-                dst_release(&np->cork.rt->u.dst);
-                np->cork.rt = NULL;
+        if (inet->cork.dst) {
+                dst_release(inet->cork.dst);
+                inet->cork.dst = NULL;
                 inet->cork.flags &= ~IPCORK_ALLFRAG;
         }
         memset(&inet->cork.fl, 0, sizeof(inet->cork.fl));
@@ -1396,7 +1400,7 @@ int ip6_push_pending_frames(struct sock *sk)
         struct ipv6_pinfo *np = inet6_sk(sk);
         struct ipv6hdr *hdr;
         struct ipv6_txoptions *opt = np->cork.opt;
-        struct rt6_info *rt = np->cork.rt;
+        struct rt6_info *rt = (struct rt6_info *)inet->cork.dst;
         struct flowi *fl = &inet->cork.fl;
         unsigned char proto = fl->proto;
         int err = 0;