From: zhang kai <zhangkaiheb@126.com>
To: davem@davemloft.net, yoshfuji@linux-ipv6.org, dsahern@kernel.org,
kuba@kernel.org, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org
Cc: zhang kai <zhangkaiheb@126.com>
Subject: [PATCH] sit: replace 68 with micro IPV4_MIN_MTU
Date: Wed, 2 Jun 2021 09:50:39 +0800 [thread overview]
Message-ID: <20210602015039.26559-1-zhangkaiheb@126.com> (raw)
Use meaningfull micro IPV4_MIN_MTU
Signed-off-by: zhang kai <zhangkaiheb@126.com>
---
net/ipv6/sit.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index aa98294a3..71b57bdb1 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -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;
--
2.17.1
next reply other threads:[~2021-06-02 2:23 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-02 1:50 zhang kai [this message]
2021-06-02 20:30 ` [PATCH] sit: replace 68 with micro IPV4_MIN_MTU patchwork-bot+netdevbpf
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