1 files changed, 24 insertions, 5 deletions

diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index d3005b34476a..b4d74c86586c 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -475,6 +475,7 @@ static void ipip6_tunnel_uninit(struct net_device *dev)
                 ipip6_tunnel_unlink(sitn, tunnel);
                 ipip6_tunnel_del_prl(tunnel, NULL);
         }
+        ip_tunnel_dst_reset_all(tunnel);
         dev_put(dev);
 }
 
@@ -671,7 +672,7 @@ static int ipip6_rcv(struct sk_buff *skb)
         tunnel = ipip6_tunnel_lookup(dev_net(skb->dev), skb->dev,
                                      iph->saddr, iph->daddr);
         if (tunnel != NULL) {
-                struct pcpu_tstats *tstats;
+                struct pcpu_sw_netstats *tstats;
 
                 if (tunnel->parms.iph.protocol != IPPROTO_IPV6 &&
                     tunnel->parms.iph.protocol != 0)
@@ -1082,6 +1083,7 @@ static void ipip6_tunnel_update(struct ip_tunnel *t, struct ip_tunnel_parm *p)
                 t->parms.link = p->link;
                 ipip6_tunnel_bind_dev(t->dev);
         }
+        ip_tunnel_dst_reset_all(t);
         netdev_state_change(t->dev);
 }
 
@@ -1112,6 +1114,7 @@ static int ipip6_tunnel_update_6rd(struct ip_tunnel *t,
         t->ip6rd.relay_prefix = relay_prefix;
         t->ip6rd.prefixlen = ip6rd->prefixlen;
         t->ip6rd.relay_prefixlen = ip6rd->relay_prefixlen;
+        ip_tunnel_dst_reset_all(t);
         netdev_state_change(t->dev);
         return 0;
 }
@@ -1271,6 +1274,7 @@ ipip6_tunnel_ioctl (struct net_device *dev, struct ifreq *ifr, int cmd)
                         err = ipip6_tunnel_add_prl(t, &prl, cmd == SIOCCHGPRL);
                         break;
                 }
+                ip_tunnel_dst_reset_all(t);
                 netdev_state_change(dev);
                 break;
 
@@ -1326,6 +1330,9 @@ static const struct net_device_ops ipip6_netdev_ops = {
 
 static void ipip6_dev_free(struct net_device *dev)
 {
+        struct ip_tunnel *tunnel = netdev_priv(dev);
+
+        free_percpu(tunnel->dst_cache);
         free_percpu(dev->tstats);
         free_netdev(dev);
 }
@@ -1365,16 +1372,22 @@ static int ipip6_tunnel_init(struct net_device *dev)
         memcpy(dev->broadcast, &tunnel->parms.iph.daddr, 4);
 
         ipip6_tunnel_bind_dev(dev);
-        dev->tstats = alloc_percpu(struct pcpu_tstats);
+        dev->tstats = alloc_percpu(struct pcpu_sw_netstats);
         if (!dev->tstats)
                 return -ENOMEM;
 
         for_each_possible_cpu(i) {
-                struct pcpu_tstats *ipip6_tunnel_stats;
+                struct pcpu_sw_netstats *ipip6_tunnel_stats;
                 ipip6_tunnel_stats = per_cpu_ptr(dev->tstats, i);
                 u64_stats_init(&ipip6_tunnel_stats->syncp);
         }
 
+        tunnel->dst_cache = alloc_percpu(struct ip_tunnel_dst);
+        if (!tunnel->dst_cache) {
+                free_percpu(dev->tstats);
+                return -ENOMEM;
+        }
+
         return 0;
 }
 
@@ -1395,16 +1408,22 @@ static int __net_init ipip6_fb_tunnel_init(struct net_device *dev)
         iph->ihl                = 5;
         iph->ttl                = 64;
 
-        dev->tstats = alloc_percpu(struct pcpu_tstats);
+        dev->tstats = alloc_percpu(struct pcpu_sw_netstats);
         if (!dev->tstats)
                 return -ENOMEM;
 
         for_each_possible_cpu(i) {
-                struct pcpu_tstats *ipip6_fb_stats;
+                struct pcpu_sw_netstats *ipip6_fb_stats;
                 ipip6_fb_stats = per_cpu_ptr(dev->tstats, i);
                 u64_stats_init(&ipip6_fb_stats->syncp);
         }
 
+        tunnel->dst_cache = alloc_percpu(struct ip_tunnel_dst);
+        if (!tunnel->dst_cache) {
+                free_percpu(dev->tstats);
+                return -ENOMEM;
+        }
+
         dev_hold(dev);
         rcu_assign_pointer(sitn->tunnels_wc[0], tunnel);
         return 0;