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Diffstat (limited to 'net/ipv4/ip_gre.c')
-rw-r--r--net/ipv4/ip_gre.c52
1 files changed, 21 insertions, 31 deletions
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index 70ff77f02eee..eb68a0e34e49 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -405,11 +405,11 @@ static struct ip_tunnel *ipgre_tunnel_locate(struct net *net,
if (parms->name[0])
strlcpy(name, parms->name, IFNAMSIZ);
else
- sprintf(name, "gre%%d");
+ strcpy(name, "gre%d");
dev = alloc_netdev(sizeof(*t), name, ipgre_tunnel_setup);
if (!dev)
- return NULL;
+ return NULL;
dev_net_set(dev, net);
@@ -634,7 +634,7 @@ static int ipgre_rcv(struct sk_buff *skb)
#ifdef CONFIG_NET_IPGRE_BROADCAST
if (ipv4_is_multicast(iph->daddr)) {
/* Looped back packet, drop it! */
- if (skb_rtable(skb)->fl.iif == 0)
+ if (rt_is_output_route(skb_rtable(skb)))
goto drop;
tunnel->dev->stats.multicast++;
skb->pkt_type = PACKET_BROADCAST;
@@ -772,16 +772,11 @@ static netdev_tx_t ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev
{
struct flowi fl = {
.oif = tunnel->parms.link,
- .nl_u = {
- .ip4_u = {
- .daddr = dst,
- .saddr = tiph->saddr,
- .tos = RT_TOS(tos)
- }
- },
- .proto = IPPROTO_GRE
- }
-;
+ .fl4_dst = dst,
+ .fl4_src = tiph->saddr,
+ .fl4_tos = RT_TOS(tos),
+ .fl_gre_key = tunnel->parms.o_key
+ };
if (ip_route_output_key(dev_net(dev), &rt, &fl)) {
dev->stats.tx_carrier_errors++;
goto tx_error;
@@ -823,7 +818,7 @@ static netdev_tx_t ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev
!ipv4_is_multicast(tunnel->parms.iph.daddr)) ||
rt6->rt6i_dst.plen == 128) {
rt6->rt6i_flags |= RTF_MODIFIED;
- skb_dst(skb)->metrics[RTAX_MTU-1] = mtu;
+ dst_metric_set(skb_dst(skb), RTAX_MTU, mtu);
}
}
@@ -895,7 +890,7 @@ static netdev_tx_t ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev
iph->ttl = ((struct ipv6hdr *)old_iph)->hop_limit;
#endif
else
- iph->ttl = dst_metric(&rt->dst, RTAX_HOPLIMIT);
+ iph->ttl = ip4_dst_hoplimit(&rt->dst);
}
((__be16 *)(iph + 1))[0] = tunnel->parms.o_flags;
@@ -951,14 +946,11 @@ static int ipgre_tunnel_bind_dev(struct net_device *dev)
if (iph->daddr) {
struct flowi fl = {
.oif = tunnel->parms.link,
- .nl_u = {
- .ip4_u = {
- .daddr = iph->daddr,
- .saddr = iph->saddr,
- .tos = RT_TOS(iph->tos)
- }
- },
- .proto = IPPROTO_GRE
+ .fl4_dst = iph->daddr,
+ .fl4_src = iph->saddr,
+ .fl4_tos = RT_TOS(iph->tos),
+ .proto = IPPROTO_GRE,
+ .fl_gre_key = tunnel->parms.o_key
};
struct rtable *rt;
@@ -1216,14 +1208,11 @@ static int ipgre_open(struct net_device *dev)
if (ipv4_is_multicast(t->parms.iph.daddr)) {
struct flowi fl = {
.oif = t->parms.link,
- .nl_u = {
- .ip4_u = {
- .daddr = t->parms.iph.daddr,
- .saddr = t->parms.iph.saddr,
- .tos = RT_TOS(t->parms.iph.tos)
- }
- },
- .proto = IPPROTO_GRE
+ .fl4_dst = t->parms.iph.daddr,
+ .fl4_src = t->parms.iph.saddr,
+ .fl4_tos = RT_TOS(t->parms.iph.tos),
+ .proto = IPPROTO_GRE,
+ .fl_gre_key = t->parms.o_key
};
struct rtable *rt;
@@ -1775,3 +1764,4 @@ module_exit(ipgre_fini);
MODULE_LICENSE("GPL");
MODULE_ALIAS_RTNL_LINK("gre");
MODULE_ALIAS_RTNL_LINK("gretap");
+MODULE_ALIAS("gre0");