| Message ID | 1578906036-20623-1-git-send-email-vulab@iscas.ac.cn |
|---|---|
| State | Awaiting Upstream |
| Delegated to: | David Miller |
| Headers | show |
| Series | xfrm: interface: do not confirm neighbor when do pmtu update | expand |
On Mon, Jan 13, 2020 at 09:00:36AM +0000, Xu Wang wrote: > When do IPv6 tunnel PMTU update and calls __ip6_rt_update_pmtu() in the end, > we should not call dst_confirm_neigh() as there is no two-way communication. > > Signed-off-by: Xu Wang <vulab@iscas.ac.cn> Patch applied to the ipsec tree, thanks a lot!
diff --git a/net/xfrm/xfrm_interface.c b/net/xfrm/xfrm_interface.c index 7ac1542..e732637 100644 --- a/net/xfrm/xfrm_interface.c +++ b/net/xfrm/xfrm_interface.c @@ -297,7 +297,7 @@ xfrmi_xmit2(struct sk_buff *skb, struct net_device *dev, struct flowi *fl) mtu = dst_mtu(dst); if (!skb->ignore_df && skb->len > mtu) { - skb_dst_update_pmtu(skb, mtu); + skb_dst_update_pmtu_no_confirm(skb, mtu); if (skb->protocol == htons(ETH_P_IPV6)) { if (mtu < IPV6_MIN_MTU)
When do IPv6 tunnel PMTU update and calls __ip6_rt_update_pmtu() in the end, we should not call dst_confirm_neigh() as there is no two-way communication. Signed-off-by: Xu Wang <vulab@iscas.ac.cn> --- net/xfrm/xfrm_interface.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)