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Diffstat (limited to 'net/ipv4/ip_gre.c')
-rw-r--r--net/ipv4/ip_gre.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index ffa9f1c9dcbb..f151900efaf9 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -684,7 +684,7 @@ static int ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
goto tx_error;
}
- if (dev->hard_header) {
+ if (dev->header_ops) {
gre_hlen = 0;
tiph = (struct iphdr*)skb->data;
} else {
@@ -1063,8 +1063,9 @@ static int ipgre_tunnel_change_mtu(struct net_device *dev, int new_mtu)
*/
-static int ipgre_header(struct sk_buff *skb, struct net_device *dev, unsigned short type,
- void *daddr, void *saddr, unsigned len)
+static int ipgre_header(struct sk_buff *skb, struct net_device *dev,
+ unsigned short type,
+ const void *daddr, const void *saddr, unsigned len)
{
struct ip_tunnel *t = netdev_priv(dev);
struct iphdr *iph = (struct iphdr *)skb_push(skb, t->hlen);
@@ -1091,6 +1092,10 @@ static int ipgre_header(struct sk_buff *skb, struct net_device *dev, unsigned sh
return -t->hlen;
}
+static const struct header_ops ipgre_header_ops = {
+ .create = ipgre_header,
+};
+
static int ipgre_open(struct net_device *dev)
{
struct ip_tunnel *t = netdev_priv(dev);
@@ -1187,7 +1192,7 @@ static int ipgre_tunnel_init(struct net_device *dev)
if (!iph->saddr)
return -EINVAL;
dev->flags = IFF_BROADCAST;
- dev->hard_header = ipgre_header;
+ dev->header_ops = &ipgre_header_ops;
dev->open = ipgre_open;
dev->stop = ipgre_close;
}