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Diffstat (limited to 'net/ipv6/ip6_tunnel.c')
-rw-r--r--net/ipv6/ip6_tunnel.c52
1 files changed, 25 insertions, 27 deletions
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index d453d07b0dfe..8f39893d8081 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -37,6 +37,7 @@
#include <linux/route.h>
#include <linux/rtnetlink.h>
#include <linux/netfilter_ipv6.h>
+#include <linux/slab.h>
#include <asm/uaccess.h>
#include <asm/atomic.h>
@@ -74,7 +75,6 @@ MODULE_LICENSE("GPL");
(addr)->s6_addr32[2] ^ (addr)->s6_addr32[3]) & \
(HASH_SIZE - 1))
-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);
@@ -623,7 +623,7 @@ ip6ip6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
if (rt && rt->rt6i_dev)
skb2->dev = rt->rt6i_dev;
- icmpv6_send(skb2, rel_type, rel_code, rel_info, skb2->dev);
+ icmpv6_send(skb2, rel_type, rel_code, rel_info);
if (rt)
dst_release(&rt->u.dst);
@@ -723,14 +723,10 @@ static int ip6_tnl_rcv(struct sk_buff *skb, __u16 protocol,
skb->protocol = htons(protocol);
skb->pkt_type = PACKET_HOST;
memset(skb->cb, 0, sizeof(struct inet6_skb_parm));
- skb->dev = t->dev;
- skb_dst_drop(skb);
- nf_reset(skb);
- dscp_ecn_decapsulate(t, ipv6h, skb);
+ skb_tunnel_rx(skb, t->dev);
- t->dev->stats.rx_packets++;
- t->dev->stats.rx_bytes += skb->len;
+ dscp_ecn_decapsulate(t, ipv6h, skb);
netif_rx(skb);
rcu_read_unlock();
return 0;
@@ -1015,7 +1011,7 @@ ip6ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev)
tel = (struct ipv6_tlv_tnl_enc_lim *)&skb_network_header(skb)[offset];
if (tel->encap_limit == 0) {
icmpv6_send(skb, ICMPV6_PARAMPROB,
- ICMPV6_HDR_FIELD, offset + 2, skb->dev);
+ ICMPV6_HDR_FIELD, offset + 2);
return -1;
}
encap_limit = tel->encap_limit - 1;
@@ -1034,7 +1030,7 @@ ip6ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev)
err = ip6_tnl_xmit2(skb, dev, dsfield, &fl, encap_limit, &mtu);
if (err != 0) {
if (err == -EMSGSIZE)
- icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu, dev);
+ icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu);
return -1;
}
@@ -1364,7 +1360,7 @@ static void ip6_tnl_dev_init(struct net_device *dev)
* Return: 0
**/
-static void ip6_fb_tnl_dev_init(struct net_device *dev)
+static void __net_init ip6_fb_tnl_dev_init(struct net_device *dev)
{
struct ip6_tnl *t = netdev_priv(dev);
struct net *net = dev_net(dev);
@@ -1388,7 +1384,7 @@ static struct xfrm6_tunnel ip6ip6_handler = {
.priority = 1,
};
-static void ip6_tnl_destroy_tunnels(struct ip6_tnl_net *ip6n)
+static void __net_exit ip6_tnl_destroy_tunnels(struct ip6_tnl_net *ip6n)
{
int h;
struct ip6_tnl *t;
@@ -1407,7 +1403,7 @@ static void ip6_tnl_destroy_tunnels(struct ip6_tnl_net *ip6n)
unregister_netdevice_many(&list);
}
-static int ip6_tnl_init_net(struct net *net)
+static int __net_init ip6_tnl_init_net(struct net *net)
{
struct ip6_tnl_net *ip6n = net_generic(net, ip6_tnl_net_id);
int err;
@@ -1436,7 +1432,7 @@ err_alloc_dev:
return err;
}
-static void ip6_tnl_exit_net(struct net *net)
+static void __net_exit ip6_tnl_exit_net(struct net *net)
{
struct ip6_tnl_net *ip6n = net_generic(net, ip6_tnl_net_id);
@@ -1462,27 +1458,29 @@ static int __init ip6_tunnel_init(void)
{
int err;
- if (xfrm6_tunnel_register(&ip4ip6_handler, AF_INET)) {
+ err = register_pernet_device(&ip6_tnl_net_ops);
+ if (err < 0)
+ goto out_pernet;
+
+ err = xfrm6_tunnel_register(&ip4ip6_handler, AF_INET);
+ if (err < 0) {
printk(KERN_ERR "ip6_tunnel init: can't register ip4ip6\n");
- err = -EAGAIN;
- goto out;
+ goto out_ip4ip6;
}
- if (xfrm6_tunnel_register(&ip6ip6_handler, AF_INET6)) {
+ err = xfrm6_tunnel_register(&ip6ip6_handler, AF_INET6);
+ if (err < 0) {
printk(KERN_ERR "ip6_tunnel init: can't register ip6ip6\n");
- err = -EAGAIN;
- goto unreg_ip4ip6;
+ goto out_ip6ip6;
}
- err = register_pernet_device(&ip6_tnl_net_ops);
- if (err < 0)
- goto err_pernet;
return 0;
-err_pernet:
- xfrm6_tunnel_deregister(&ip6ip6_handler, AF_INET6);
-unreg_ip4ip6:
+
+out_ip6ip6:
xfrm6_tunnel_deregister(&ip4ip6_handler, AF_INET);
-out:
+out_ip4ip6:
+ unregister_pernet_device(&ip6_tnl_net_ops);
+out_pernet:
return err;
}