diff options
Diffstat (limited to 'net/ipv4/ip_gre.c')
| -rw-r--r-- | net/ipv4/ip_gre.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c index 46f9d9cf7a5f41..912c42f57c7908 100644 --- a/net/ipv4/ip_gre.c +++ b/net/ipv4/ip_gre.c @@ -28,6 +28,7 @@ #include <linux/inetdevice.h> #include <linux/igmp.h> #include <linux/netfilter_ipv4.h> +#include <linux/if_ether.h> #include <net/sock.h> #include <net/ip.h> @@ -1140,7 +1141,7 @@ static void ipgre_tunnel_setup(struct net_device *dev) dev->type = ARPHRD_IPGRE; dev->hard_header_len = LL_MAX_HEADER + sizeof(struct iphdr) + 4; - dev->mtu = 1500 - sizeof(struct iphdr) - 4; + dev->mtu = ETH_DATA_LEN - sizeof(struct iphdr) - 4; dev->flags = IFF_NOARP; dev->iflink = 0; dev->addr_len = 4; @@ -1152,7 +1153,7 @@ static int ipgre_tunnel_init(struct net_device *dev) struct ip_tunnel *tunnel; struct iphdr *iph; int hlen = LL_MAX_HEADER; - int mtu = 1500; + int mtu = ETH_DATA_LEN; int addend = sizeof(struct iphdr) + 4; tunnel = (struct ip_tunnel*)dev->priv; |