summaryrefslogtreecommitdiffstats
path: root/net/ipv6/ip6_gre.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/ipv6/ip6_gre.c')
-rw-r--r--net/ipv6/ip6_gre.c37
1 files changed, 24 insertions, 13 deletions
diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c
index 4038c694ec03..af60d46129c1 100644
--- a/net/ipv6/ip6_gre.c
+++ b/net/ipv6/ip6_gre.c
@@ -1245,7 +1245,7 @@ static void ip6gre_tunnel_setup(struct net_device *dev)
netif_keep_dst(dev);
}
-static int ip6gre_tunnel_init(struct net_device *dev)
+static int ip6gre_tunnel_init_common(struct net_device *dev)
{
struct ip6_tnl *tunnel;
@@ -1255,16 +1255,30 @@ static int ip6gre_tunnel_init(struct net_device *dev)
tunnel->net = dev_net(dev);
strcpy(tunnel->parms.name, dev->name);
+ dev->tstats = netdev_alloc_pcpu_stats(struct pcpu_sw_netstats);
+ if (!dev->tstats)
+ return -ENOMEM;
+
+ return 0;
+}
+
+static int ip6gre_tunnel_init(struct net_device *dev)
+{
+ struct ip6_tnl *tunnel;
+ int ret;
+
+ ret = ip6gre_tunnel_init_common(dev);
+ if (ret)
+ return ret;
+
+ tunnel = netdev_priv(dev);
+
memcpy(dev->dev_addr, &tunnel->parms.laddr, sizeof(struct in6_addr));
memcpy(dev->broadcast, &tunnel->parms.raddr, sizeof(struct in6_addr));
if (ipv6_addr_any(&tunnel->parms.raddr))
dev->header_ops = &ip6gre_header_ops;
- dev->tstats = netdev_alloc_pcpu_stats(struct pcpu_sw_netstats);
- if (!dev->tstats)
- return -ENOMEM;
-
return 0;
}
@@ -1460,19 +1474,16 @@ static void ip6gre_netlink_parms(struct nlattr *data[],
static int ip6gre_tap_init(struct net_device *dev)
{
struct ip6_tnl *tunnel;
+ int ret;
- tunnel = netdev_priv(dev);
+ ret = ip6gre_tunnel_init_common(dev);
+ if (ret)
+ return ret;
- tunnel->dev = dev;
- tunnel->net = dev_net(dev);
- strcpy(tunnel->parms.name, dev->name);
+ tunnel = netdev_priv(dev);
ip6gre_tnl_link_config(tunnel, 1);
- dev->tstats = netdev_alloc_pcpu_stats(struct pcpu_sw_netstats);
- if (!dev->tstats)
- return -ENOMEM;
-
return 0;
}