summaryrefslogtreecommitdiff
path: root/net/ipv4/ip_gre.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/ipv4/ip_gre.c')
-rw-r--r--net/ipv4/ip_gre.c58
1 files changed, 34 insertions, 24 deletions
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index 85c487b8572b..0101521f366b 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -126,8 +126,6 @@ static int ipgre_tunnel_bind_dev(struct net_device *dev);
/* 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;
@@ -371,7 +369,7 @@ static void ipgre_err(struct sk_buff *skb, u32 info)
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;
@@ -632,7 +630,7 @@ static int ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
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;
@@ -660,7 +658,7 @@ static int ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
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) {
@@ -726,7 +724,7 @@ static int ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
}
#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 &&
@@ -800,7 +798,7 @@ static int ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
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);
@@ -962,7 +960,7 @@ ipgre_tunnel_ioctl (struct net_device *dev, struct ifreq *ifr, int cmd)
break;
}
} else {
- unsigned nflags=0;
+ unsigned nflags = 0;
t = netdev_priv(dev);
@@ -1104,7 +1102,7 @@ static int ipgre_header(struct sk_buff *skb, struct net_device *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;
}
@@ -1142,6 +1140,7 @@ static int ipgre_open(struct net_device *dev)
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);
@@ -1155,14 +1154,22 @@ static int ipgre_close(struct net_device *dev)
#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;
@@ -1194,8 +1201,6 @@ static int ipgre_tunnel_init(struct net_device *dev)
return -EINVAL;
dev->flags = IFF_BROADCAST;
dev->header_ops = &ipgre_header_ops;
- dev->open = ipgre_open;
- dev->stop = ipgre_close;
}
#endif
} else
@@ -1204,7 +1209,7 @@ static int ipgre_tunnel_init(struct net_device *dev)
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;
@@ -1220,7 +1225,6 @@ static int ipgre_fb_tunnel_init(struct net_device *dev)
dev_hold(dev);
ign->tunnels_wc[0] = tunnel;
- return 0;
}
@@ -1264,9 +1268,9 @@ static int ipgre_init_net(struct net *net)
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)))
@@ -1397,16 +1401,22 @@ static int ipgre_tap_init(struct net_device *dev)
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;
generated by cgit v1.2.3 (git 2.0.4) at 2024-11-18 13:49:22 +0000