* Ville Nuorvala <vnuorval@tcs.hut.fi>
* Yasuyuki Kozakai <kozakai@linux-ipv6.org>
*
- * $Id$
- *
* Based on:
* linux/net/ipv6/sit.c and linux/net/ipv4/ipip.c
*
(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;
if (dev == NULL)
goto failed;
+ dev_net_set(dev, net);
+
if (strchr(name, '%')) {
if (dev_alloc_name(dev, name) < 0)
goto failed_free;
}
t = netdev_priv(dev);
- dev->init = ip6_tnl_dev_init;
t->parms = *p;
+ ip6_tnl_dev_init(dev);
if ((err = register_netdevice(dev)) < 0)
goto failed_free;
if (!skb2)
return 0;
- dst_release(skb2->dst);
- skb2->dst = NULL;
+ skb_dst_drop(skb2);
+
skb_pull(skb2, offset);
skb_reset_network_header(skb2);
eiph = ip_hdr(skb2);
fl.fl4_dst = eiph->saddr;
fl.fl4_tos = RT_TOS(eiph->tos);
fl.proto = IPPROTO_IPIP;
- if (ip_route_output_key(&init_net, &rt, &fl))
+ if (ip_route_output_key(dev_net(skb->dev), &rt, &fl))
goto out;
skb2->dev = rt->u.dst.dev;
fl.fl4_dst = eiph->daddr;
fl.fl4_src = eiph->saddr;
fl.fl4_tos = eiph->tos;
- if (ip_route_output_key(&init_net, &rt, &fl) ||
+ if (ip_route_output_key(dev_net(skb->dev), &rt, &fl) ||
rt->u.dst.dev->type != ARPHRD_TUNNEL) {
ip_rt_put(rt);
goto out;
}
- skb2->dst = (struct dst_entry *)rt;
+ skb_dst_set(skb2, (struct dst_entry *)rt);
} else {
ip_rt_put(rt);
if (ip_route_input(skb2, eiph->daddr, eiph->saddr, eiph->tos,
skb2->dev) ||
- skb2->dst->dev->type != ARPHRD_TUNNEL)
+ skb_dst(skb2)->dev->type != ARPHRD_TUNNEL)
goto out;
}
/* change mtu on this route */
if (rel_type == ICMP_DEST_UNREACH && rel_code == ICMP_FRAG_NEEDED) {
- if (rel_info > dst_mtu(skb2->dst))
+ if (rel_info > dst_mtu(skb_dst(skb2)))
goto out;
- skb2->dst->ops->update_pmtu(skb2->dst, rel_info);
+ skb_dst(skb2)->ops->update_pmtu(skb_dst(skb2), rel_info);
}
icmp_send(skb2, rel_type, rel_code, htonl(rel_info));
if (!skb2)
return 0;
- dst_release(skb2->dst);
- skb2->dst = NULL;
+ skb_dst_drop(skb2);
skb_pull(skb2, offset);
skb_reset_network_header(skb2);
/* Try to guess incoming interface */
- rt = rt6_lookup(&init_net, &ipv6_hdr(skb2)->saddr, NULL, 0, 0);
+ rt = rt6_lookup(dev_net(skb->dev), &ipv6_hdr(skb2)->saddr,
+ NULL, 0, 0);
if (rt && rt->rt6i_dev)
skb2->dev = rt->rt6i_dev;
{
struct ip6_tnl_parm *p = &t->parms;
int ret = 0;
+ struct net *net = dev_net(t->dev);
if (p->flags & IP6_TNL_F_CAP_RCV) {
struct net_device *ldev = NULL;
if (p->link)
- ldev = dev_get_by_index(&init_net, p->link);
+ ldev = dev_get_by_index(net, p->link);
if ((ipv6_addr_is_multicast(&p->laddr) ||
- likely(ipv6_chk_addr(&init_net, &p->laddr, ldev, 0))) &&
- likely(!ipv6_chk_addr(&init_net, &p->raddr, NULL, 0)))
+ likely(ipv6_chk_addr(net, &p->laddr, ldev, 0))) &&
+ likely(!ipv6_chk_addr(net, &p->raddr, NULL, 0)))
ret = 1;
if (ldev)
}
if (!ip6_tnl_rcv_ctl(t)) {
- t->stat.rx_dropped++;
+ t->dev->stats.rx_dropped++;
read_unlock(&ip6_tnl_lock);
goto discard;
}
skb->pkt_type = PACKET_HOST;
memset(skb->cb, 0, sizeof(struct inet6_skb_parm));
skb->dev = t->dev;
- dst_release(skb->dst);
- skb->dst = NULL;
+ skb_dst_drop(skb);
nf_reset(skb);
dscp_ecn_decapsulate(t, ipv6h, skb);
- t->stat.rx_packets++;
- t->stat.rx_bytes += skb->len;
+ t->dev->stats.rx_packets++;
+ t->dev->stats.rx_bytes += skb->len;
netif_rx(skb);
read_unlock(&ip6_tnl_lock);
return 0;
{
struct ip6_tnl_parm *p = &t->parms;
int ret = 0;
+ struct net *net = dev_net(t->dev);
if (p->flags & IP6_TNL_F_CAP_XMIT) {
struct net_device *ldev = NULL;
if (p->link)
- ldev = dev_get_by_index(&init_net, p->link);
+ ldev = dev_get_by_index(net, p->link);
- if (unlikely(!ipv6_chk_addr(&init_net, &p->laddr, ldev, 0)))
+ if (unlikely(!ipv6_chk_addr(net, &p->laddr, ldev, 0)))
printk(KERN_WARNING
"%s xmit: Local address not yet configured!\n",
p->name);
else if (!ipv6_addr_is_multicast(&p->raddr) &&
- unlikely(ipv6_chk_addr(&init_net, &p->raddr, NULL, 0)))
+ unlikely(ipv6_chk_addr(net, &p->raddr, NULL, 0)))
printk(KERN_WARNING
"%s xmit: Routing loop! "
"Remote address found on this node!\n",
int encap_limit,
__u32 *pmtu)
{
+ struct net *net = dev_net(dev);
struct ip6_tnl *t = netdev_priv(dev);
- struct net_device_stats *stats = &t->stat;
+ struct net_device_stats *stats = &t->dev->stats;
struct ipv6hdr *ipv6h = ipv6_hdr(skb);
struct ipv6_tel_txoption opt;
struct dst_entry *dst;
if ((dst = ip6_tnl_dst_check(t)) != NULL)
dst_hold(dst);
else {
- dst = ip6_route_output(&init_net, NULL, fl);
+ dst = ip6_route_output(net, NULL, fl);
- if (dst->error || xfrm_lookup(&dst, fl, NULL, 0) < 0)
+ if (dst->error || xfrm_lookup(net, &dst, fl, NULL, 0) < 0)
goto tx_err_link_failure;
}
}
if (mtu < IPV6_MIN_MTU)
mtu = IPV6_MIN_MTU;
- if (skb->dst)
- skb->dst->ops->update_pmtu(skb->dst, mtu);
+ if (skb_dst(skb))
+ skb_dst(skb)->ops->update_pmtu(skb_dst(skb), mtu);
if (skb->len > mtu) {
*pmtu = mtu;
err = -EMSGSIZE;
kfree_skb(skb);
skb = new_skb;
}
- dst_release(skb->dst);
- skb->dst = dst_clone(dst);
+ skb_dst_drop(skb);
+ skb_dst_set(skb, dst_clone(dst));
skb->transport_header = skb->network_header;
ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct ip6_tnl *t = netdev_priv(dev);
- struct net_device_stats *stats = &t->stat;
+ struct net_device_stats *stats = &t->dev->stats;
int ret;
if (t->recursion++) {
- t->stat.collisions++;
+ stats->collisions++;
goto tx_err;
}
switch (skb->protocol) {
- case __constant_htons(ETH_P_IP):
+ case htons(ETH_P_IP):
ret = ip4ip6_tnl_xmit(skb, dev);
break;
- case __constant_htons(ETH_P_IPV6):
+ case htons(ETH_P_IPV6):
ret = ip6ip6_tnl_xmit(skb, dev);
break;
default:
struct ip6_tnl_parm *p = &t->parms;
struct flowi *fl = &t->fl;
- memcpy(&dev->dev_addr, &p->laddr, sizeof(struct in6_addr));
- memcpy(&dev->broadcast, &p->raddr, sizeof(struct in6_addr));
+ memcpy(dev->dev_addr, &p->laddr, sizeof(struct in6_addr));
+ memcpy(dev->broadcast, &p->raddr, sizeof(struct in6_addr));
/* Set up flowi template */
ipv6_addr_copy(&fl->fl6_src, &p->laddr);
int strict = (ipv6_addr_type(&p->raddr) &
(IPV6_ADDR_MULTICAST|IPV6_ADDR_LINKLOCAL));
- struct rt6_info *rt = rt6_lookup(&init_net, &p->raddr, &p->laddr,
+ struct rt6_info *rt = rt6_lookup(dev_net(dev),
+ &p->raddr, &p->laddr,
p->link, strict);
if (rt == NULL)
* ip6_tnl_change - update the tunnel parameters
* @t: tunnel to be changed
* @p: tunnel configuration parameters
- * @active: != 0 if tunnel is ready for use
*
* Description:
* ip6_tnl_change() updates the tunnel parameters
}
/**
- * ip6_tnl_get_stats - return the stats for tunnel device
- * @dev: virtual device associated with tunnel
- *
- * Return: stats for device
- **/
-
-static struct net_device_stats *
-ip6_tnl_get_stats(struct net_device *dev)
-{
- return &(((struct ip6_tnl *)netdev_priv(dev))->stat);
-}
-
-/**
* ip6_tnl_change_mtu - change mtu manually for tunnel device
* @dev: virtual device associated with tunnel
* @new_mtu: the 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
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->get_stats = ip6_tnl_get_stats;
- 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);
dev->mtu = ETH_DATA_LEN - sizeof (struct ipv6hdr);
dev->flags |= IFF_NOARP;
dev->addr_len = sizeof(struct in6_addr);
+ dev->features |= NETIF_F_NETNS_LOCAL;
}
* @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;
}
/**
* 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);
t->parms.proto = IPPROTO_IPV6;
dev_hold(dev);
ip6n->tnls_wc[0] = t;
- return 0;
}
static struct xfrm6_tunnel ip4ip6_handler = {
if (!ip6n->fb_tnl_dev)
goto err_alloc_dev;
-
- ip6n->fb_tnl_dev->init = ip6_fb_tnl_dev_init;
dev_net_set(ip6n->fb_tnl_dev, net);
+ ip6_fb_tnl_dev_init(ip6n->fb_tnl_dev);
+
err = register_netdev(ip6n->fb_tnl_dev);
if (err < 0)
goto err_register;