ipv6: convert tunnels to net_device_ops

Like IPV4, convert the tunnel virtual devices to use net_device_ops.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 15 insertions, 14 deletions

diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index 64ce3d3..adfcd65 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -74,8 +74,8 @@ MODULE_LICENSE("GPL");
 		     (addr)->s6_addr32[2] ^ (addr)->s6_addr32[3]) & \
 		    (HASH_SIZE - 1))
 
-static int ip6_fb_tnl_dev_init(struct net_device *dev);
-static int ip6_tnl_dev_init(struct net_device *dev);
+static void ip6_fb_tnl_dev_init(struct net_device *dev);
+static void ip6_tnl_dev_init(struct net_device *dev);
 static void ip6_tnl_dev_setup(struct net_device *dev);
 
 static int ip6_tnl_net_id;
@@ -249,7 +249,7 @@ static struct ip6_tnl *ip6_tnl_create(struct net *net, struct ip6_tnl_parm *p)
 	}
 
 	t = netdev_priv(dev);
-	dev->init = ip6_tnl_dev_init;
+	ip6_tnl_dev_init(dev);
 	t->parms = *p;
 
 	if ((err = register_netdevice(dev)) < 0)
@@ -1306,6 +1306,14 @@ ip6_tnl_change_mtu(struct net_device *dev, int new_mtu)
 	return 0;
 }
 
+
+static const struct net_device_ops ip6_tnl_netdev_ops = {
+	.ndo_uninit = ip6_tnl_dev_uninit,
+	.ndo_start_xmit = ip6_tnl_xmit,
+	.ndo_do_ioctl = ip6_tnl_ioctl,
+	.ndo_change_mtu = ip6_tnl_change_mtu,
+};
+
 /**
  * ip6_tnl_dev_setup - setup virtual tunnel device
  *   @dev: virtual device associated with tunnel
@@ -1316,11 +1324,8 @@ ip6_tnl_change_mtu(struct net_device *dev, int new_mtu)
 
 static void ip6_tnl_dev_setup(struct net_device *dev)
 {
-	dev->uninit = ip6_tnl_dev_uninit;
+	dev->netdev_ops = &ip6_tnl_netdev_ops;
 	dev->destructor = free_netdev;
-	dev->hard_start_xmit = ip6_tnl_xmit;
-	dev->do_ioctl = ip6_tnl_ioctl;
-	dev->change_mtu = ip6_tnl_change_mtu;
 
 	dev->type = ARPHRD_TUNNEL6;
 	dev->hard_header_len = LL_MAX_HEADER + sizeof (struct ipv6hdr);
@@ -1349,13 +1354,11 @@ ip6_tnl_dev_init_gen(struct net_device *dev)
  *   @dev: virtual device associated with tunnel
  **/
 
-static int
-ip6_tnl_dev_init(struct net_device *dev)
+static void ip6_tnl_dev_init(struct net_device *dev)
 {
 	struct ip6_tnl *t = netdev_priv(dev);
 	ip6_tnl_dev_init_gen(dev);
 	ip6_tnl_link_config(t);
-	return 0;
 }
 
 /**
@@ -1365,8 +1368,7 @@ ip6_tnl_dev_init(struct net_device *dev)
  * Return: 0
  **/
 
-static int
-ip6_fb_tnl_dev_init(struct net_device *dev)
+static void ip6_fb_tnl_dev_init(struct net_device *dev)
 {
 	struct ip6_tnl *t = netdev_priv(dev);
 	struct net *net = dev_net(dev);
@@ -1376,7 +1378,6 @@ ip6_fb_tnl_dev_init(struct net_device *dev)
 	t->parms.proto = IPPROTO_IPV6;
 	dev_hold(dev);
 	ip6n->tnls_wc[0] = t;
-	return 0;
 }
 
 static struct xfrm6_tunnel ip4ip6_handler = {
@@ -1429,7 +1430,7 @@ static int ip6_tnl_init_net(struct net *net)
 	if (!ip6n->fb_tnl_dev)
 		goto err_alloc_dev;
 
-	ip6n->fb_tnl_dev->init = ip6_fb_tnl_dev_init;
+	ip6_fb_tnl_dev_init(ip6n->fb_tnl_dev);
 	dev_net_set(ip6n->fb_tnl_dev, net);
 
 	err = register_netdev(ip6n->fb_tnl_dev);