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ip_tunnel: Add tnl_update_pmtu in ip_md_tunnel_xmit

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Add tnl_update_pmtu in ip_md_tunnel_xmit to dynamic modify
the pmtu which packet send through collect_metadata mode
ip tunnel

Signed-off-by: wenxu <wenxu@ucloud.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
wenxu
2019-01-22 18:39:50 +08:00
committed by David S. Miller
parent f46fe4f8d7
commit c8b34e680a
3 changed files with 29 additions and 12 deletions
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2
net/ipv4/ipip.c
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@@ -302,7 +302,7 @@ static netdev_tx_t ipip_tunnel_xmit(struct sk_buff *skb,
skb_set_inner_ipproto(skb, ipproto);
if (tunnel->collect_md)
ip_md_tunnel_xmit(skb, dev, ipproto);
ip_md_tunnel_xmit(skb, dev, ipproto, 0);
else
ip_tunnel_xmit(skb, dev, tiph, ipproto);
return NETDEV_TX_OK;