summaryrefslogtreecommitdiffstats
path: root/net/ipv6/sit.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/ipv6/sit.c')
-rw-r--r--net/ipv6/sit.c14
1 files changed, 2 insertions, 12 deletions
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index b1cdf8009d29..dc7a3449ffc1 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -1318,23 +1318,11 @@ done:
return err;
}
-static int ipip6_tunnel_change_mtu(struct net_device *dev, int new_mtu)
-{
- struct ip_tunnel *tunnel = netdev_priv(dev);
- int t_hlen = tunnel->hlen + sizeof(struct iphdr);
-
- if (new_mtu < IPV6_MIN_MTU || new_mtu > 0xFFF8 - t_hlen)
- return -EINVAL;
- dev->mtu = new_mtu;
- return 0;
-}
-
static const struct net_device_ops ipip6_netdev_ops = {
.ndo_init = ipip6_tunnel_init,
.ndo_uninit = ipip6_tunnel_uninit,
.ndo_start_xmit = sit_tunnel_xmit,
.ndo_do_ioctl = ipip6_tunnel_ioctl,
- .ndo_change_mtu = ipip6_tunnel_change_mtu,
.ndo_get_stats64 = ip_tunnel_get_stats64,
.ndo_get_iflink = ip_tunnel_get_iflink,
};
@@ -1365,6 +1353,8 @@ static void ipip6_tunnel_setup(struct net_device *dev)
dev->type = ARPHRD_SIT;
dev->hard_header_len = LL_MAX_HEADER + t_hlen;
dev->mtu = ETH_DATA_LEN - t_hlen;
+ dev->min_mtu = IPV6_MIN_MTU;
+ dev->max_mtu = 0xFFF8 - t_hlen;
dev->flags = IFF_NOARP;
netif_keep_dst(dev);
dev->addr_len = 4;