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Diffstat (limited to 'net/ipv6/ip6_gre.c')
-rw-r--r--net/ipv6/ip6_gre.c16
1 files changed, 12 insertions, 4 deletions
diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c
index 3873181ed85..f304471477d 100644
--- a/net/ipv6/ip6_gre.c
+++ b/net/ipv6/ip6_gre.c
@@ -314,6 +314,8 @@ static struct ip6_tnl *ip6gre_tunnel_locate(struct net *net,
struct ip6gre_net *ign = net_generic(net, ip6gre_net_id);
t = ip6gre_tunnel_find(net, parms, ARPHRD_IP6GRE);
+ if (t && create)
+ return NULL;
if (t || !create)
return t;
@@ -322,7 +324,8 @@ static struct ip6_tnl *ip6gre_tunnel_locate(struct net *net,
else
strcpy(name, "ip6gre%d");
- dev = alloc_netdev(sizeof(*t), name, ip6gre_tunnel_setup);
+ dev = alloc_netdev(sizeof(*t), name, NET_NAME_UNKNOWN,
+ ip6gre_tunnel_setup);
if (!dev)
return NULL;
@@ -723,7 +726,8 @@ static netdev_tx_t ip6gre_xmit2(struct sk_buff *skb,
* Push down and install the IP header.
*/
ipv6h = ipv6_hdr(skb);
- ip6_flow_hdr(ipv6h, INET_ECN_encapsulate(0, dsfield), fl6->flowlabel);
+ ip6_flow_hdr(ipv6h, INET_ECN_encapsulate(0, dsfield),
+ ip6_make_flowlabel(net, skb, fl6->flowlabel, false));
ipv6h->hop_limit = tunnel->parms.hop_limit;
ipv6h->nexthdr = proto;
ipv6h->saddr = fl6->saddr;
@@ -1174,7 +1178,9 @@ static int ip6gre_header(struct sk_buff *skb, struct net_device *dev,
struct ipv6hdr *ipv6h = (struct ipv6hdr *)skb_push(skb, t->hlen);
__be16 *p = (__be16 *)(ipv6h+1);
- ip6_flow_hdr(ipv6h, 0, t->fl.u.ip6.flowlabel);
+ ip6_flow_hdr(ipv6h, 0,
+ ip6_make_flowlabel(dev_net(dev), skb,
+ t->fl.u.ip6.flowlabel, false));
ipv6h->hop_limit = t->parms.hop_limit;
ipv6h->nexthdr = NEXTHDR_GRE;
ipv6h->saddr = t->parms.laddr;
@@ -1323,7 +1329,8 @@ static int __net_init ip6gre_init_net(struct net *net)
int err;
ign->fb_tunnel_dev = alloc_netdev(sizeof(struct ip6_tnl), "ip6gre0",
- ip6gre_tunnel_setup);
+ NET_NAME_UNKNOWN,
+ ip6gre_tunnel_setup);
if (!ign->fb_tunnel_dev) {
err = -ENOMEM;
goto err_alloc_dev;
@@ -1719,4 +1726,5 @@ MODULE_LICENSE("GPL");
MODULE_AUTHOR("D. Kozlov (xeb@mail.ru)");
MODULE_DESCRIPTION("GRE over IPv6 tunneling device");
MODULE_ALIAS_RTNL_LINK("ip6gre");
+MODULE_ALIAS_RTNL_LINK("ip6gretap");
MODULE_ALIAS_NETDEV("ip6gre0");