Commit 7f0e869c authored by zhang kai's avatar zhang kai Committed by David S. Miller
Browse files

sit: replace 68 with micro IPV4_MIN_MTU 



Use meaningfull micro IPV4_MIN_MTU

Signed-off-by: default avatarzhang kai <zhangkaiheb@126.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 011ab4df

net/ipv6/sit.c

+1 −1
Original line number Diff line number Diff line
@@ -970,7 +970,7 @@ static netdev_tx_t ipip6_tunnel_xmit(struct sk_buff *skb, 
	if (df) {

		mtu = dst_mtu(&rt->dst) - t_hlen;



		if (mtu < 68) {

		if (mtu < IPV4_MIN_MTU) {

			dev->stats.collisions++;

			ip_rt_put(rt);

			goto tx_error;