/* Fallback tunnel: no source, no destination, no key, no options */
-static int ipgre_fb_tunnel_init(struct net_device *dev);
-
#define HASH_SIZE 16
static int ipgre_net_id;
by themself???
*/
- struct iphdr *iph = (struct iphdr*)skb->data;
+ struct iphdr *iph = (struct iphdr *)skb->data;
__be16 *p = (__be16*)(skb->data+(iph->ihl<<2));
int grehlen = (iph->ihl<<2) + 4;
const int type = icmp_hdr(skb)->type;
if (dev->header_ops && dev->type == ARPHRD_IPGRE) {
gre_hlen = 0;
- tiph = (struct iphdr*)skb->data;
+ tiph = (struct iphdr *)skb->data;
} else {
gre_hlen = tunnel->hlen;
tiph = &tunnel->parms.iph;
if (neigh == NULL)
goto tx_error;
- addr6 = (struct in6_addr*)&neigh->primary_key;
+ addr6 = (struct in6_addr *)&neigh->primary_key;
addr_type = ipv6_addr_type(addr6);
if (addr_type == IPV6_ADDR_ANY) {
}
#ifdef CONFIG_IPV6
else if (skb->protocol == htons(ETH_P_IPV6)) {
- struct rt6_info *rt6 = (struct rt6_info*)skb->dst;
+ struct rt6_info *rt6 = (struct rt6_info *)skb->dst;
if (rt6 && mtu < dst_mtu(skb->dst) && mtu >= IPV6_MIN_MTU) {
if ((tunnel->parms.iph.daddr &&
iph->ttl = old_iph->ttl;
#ifdef CONFIG_IPV6
else if (skb->protocol == htons(ETH_P_IPV6))
- iph->ttl = ((struct ipv6hdr*)old_iph)->hop_limit;
+ iph->ttl = ((struct ipv6hdr *)old_iph)->hop_limit;
#endif
else
iph->ttl = dst_metric(&rt->u.dst, RTAX_HOPLIMIT);
break;
}
} else {
- unsigned nflags=0;
+ unsigned nflags = 0;
t = netdev_priv(dev);
static int ipgre_header_parse(const struct sk_buff *skb, unsigned char *haddr)
{
- struct iphdr *iph = (struct iphdr*) skb_mac_header(skb);
+ struct iphdr *iph = (struct iphdr *) skb_mac_header(skb);
memcpy(haddr, &iph->saddr, 4);
return 4;
}
static int ipgre_close(struct net_device *dev)
{
struct ip_tunnel *t = netdev_priv(dev);
+
if (ipv4_is_multicast(t->parms.iph.daddr) && t->mlink) {
struct in_device *in_dev;
in_dev = inetdev_by_index(dev_net(dev), t->mlink);
#endif
+static const struct net_device_ops ipgre_netdev_ops = {
+ .ndo_init = ipgre_tunnel_init,
+ .ndo_uninit = ipgre_tunnel_uninit,
+#ifdef CONFIG_NET_IPGRE_BROADCAST
+ .ndo_open = ipgre_open,
+ .ndo_stop = ipgre_close,
+#endif
+ .ndo_start_xmit = ipgre_tunnel_xmit,
+ .ndo_do_ioctl = ipgre_tunnel_ioctl,
+ .ndo_change_mtu = ipgre_tunnel_change_mtu,
+};
+
static void ipgre_tunnel_setup(struct net_device *dev)
{
- dev->init = ipgre_tunnel_init;
- dev->uninit = ipgre_tunnel_uninit;
+ dev->netdev_ops = &ipgre_netdev_ops;
dev->destructor = free_netdev;
- dev->hard_start_xmit = ipgre_tunnel_xmit;
- dev->do_ioctl = ipgre_tunnel_ioctl;
- dev->change_mtu = ipgre_tunnel_change_mtu;
dev->type = ARPHRD_IPGRE;
dev->needed_headroom = LL_MAX_HEADER + sizeof(struct iphdr) + 4;
return -EINVAL;
dev->flags = IFF_BROADCAST;
dev->header_ops = &ipgre_header_ops;
- dev->open = ipgre_open;
- dev->stop = ipgre_close;
}
#endif
} else
return 0;
}
-static int ipgre_fb_tunnel_init(struct net_device *dev)
+static void ipgre_fb_tunnel_init(struct net_device *dev)
{
struct ip_tunnel *tunnel = netdev_priv(dev);
struct iphdr *iph = &tunnel->parms.iph;
dev_hold(dev);
ign->tunnels_wc[0] = tunnel;
- return 0;
}
err = -ENOMEM;
goto err_alloc_dev;
}
-
- ign->fb_tunnel_dev->init = ipgre_fb_tunnel_init;
dev_net_set(ign->fb_tunnel_dev, net);
+
+ ipgre_fb_tunnel_init(ign->fb_tunnel_dev);
ign->fb_tunnel_dev->rtnl_link_ops = &ipgre_link_ops;
if ((err = register_netdev(ign->fb_tunnel_dev)))
static void ipgre_netlink_parms(struct nlattr *data[],
struct ip_tunnel_parm *parms)
{
- memset(parms, 0, sizeof(parms));
+ memset(parms, 0, sizeof(*parms));
parms->iph.protocol = IPPROTO_GRE;
parms->o_key = nla_get_be32(data[IFLA_GRE_OKEY]);
if (data[IFLA_GRE_LOCAL])
- memcpy(&parms->iph.saddr, nla_data(data[IFLA_GRE_LOCAL]), 4);
+ parms->iph.saddr = nla_get_be32(data[IFLA_GRE_LOCAL]);
if (data[IFLA_GRE_REMOTE])
- memcpy(&parms->iph.daddr, nla_data(data[IFLA_GRE_REMOTE]), 4);
+ parms->iph.daddr = nla_get_be32(data[IFLA_GRE_REMOTE]);
if (data[IFLA_GRE_TTL])
parms->iph.ttl = nla_get_u8(data[IFLA_GRE_TTL]);
return 0;
}
+static const struct net_device_ops ipgre_tap_netdev_ops = {
+ .ndo_init = ipgre_tap_init,
+ .ndo_uninit = ipgre_tunnel_uninit,
+ .ndo_start_xmit = ipgre_tunnel_xmit,
+ .ndo_set_mac_address = eth_mac_addr,
+ .ndo_validate_addr = eth_validate_addr,
+ .ndo_change_mtu = ipgre_tunnel_change_mtu,
+};
+
static void ipgre_tap_setup(struct net_device *dev)
{
ether_setup(dev);
- dev->init = ipgre_tap_init;
- dev->uninit = ipgre_tunnel_uninit;
+ dev->netdev_ops = &ipgre_netdev_ops;
dev->destructor = free_netdev;
- dev->hard_start_xmit = ipgre_tunnel_xmit;
- dev->change_mtu = ipgre_tunnel_change_mtu;
dev->iflink = 0;
dev->features |= NETIF_F_NETNS_LOCAL;
NLA_PUT_BE16(skb, IFLA_GRE_OFLAGS, p->o_flags);
NLA_PUT_BE32(skb, IFLA_GRE_IKEY, p->i_key);
NLA_PUT_BE32(skb, IFLA_GRE_OKEY, p->o_key);
- NLA_PUT(skb, IFLA_GRE_LOCAL, 4, &p->iph.saddr);
- NLA_PUT(skb, IFLA_GRE_REMOTE, 4, &p->iph.daddr);
+ NLA_PUT_BE32(skb, IFLA_GRE_LOCAL, p->iph.saddr);
+ NLA_PUT_BE32(skb, IFLA_GRE_REMOTE, p->iph.daddr);
NLA_PUT_U8(skb, IFLA_GRE_TTL, p->iph.ttl);
NLA_PUT_U8(skb, IFLA_GRE_TOS, p->iph.tos);
NLA_PUT_U8(skb, IFLA_GRE_PMTUDISC, !!(p->iph.frag_off & htons(IP_DF)));
[IFLA_GRE_OFLAGS] = { .type = NLA_U16 },
[IFLA_GRE_IKEY] = { .type = NLA_U32 },
[IFLA_GRE_OKEY] = { .type = NLA_U32 },
- [IFLA_GRE_LOCAL] = { .len = 4 },
- [IFLA_GRE_REMOTE] = { .len = 4 },
+ [IFLA_GRE_LOCAL] = { .len = FIELD_SIZEOF(struct iphdr, saddr) },
+ [IFLA_GRE_REMOTE] = { .len = FIELD_SIZEOF(struct iphdr, daddr) },
[IFLA_GRE_TTL] = { .type = NLA_U8 },
[IFLA_GRE_TOS] = { .type = NLA_U8 },
[IFLA_GRE_PMTUDISC] = { .type = NLA_U8 },
module_init(ipgre_init);
module_exit(ipgre_fini);
MODULE_LICENSE("GPL");
-MODULE_ALIAS("rtnl-link-gre");
-MODULE_ALIAS("rtnl-link-gretap");
+MODULE_ALIAS_RTNL_LINK("gre");
+MODULE_ALIAS_RTNL_LINK("gretap");
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff