From: Haishuang Yan <yanhaishu...@cmss.chinamobile.com> Date: Tue, 12 Sep 2017 17:47:57 +0800
> In collect_md mode, if the tun dev is down, it still can call > __ip6_tnl_rcv to receive on packets, and the rx statistics increase > improperly. > > When the md tunnel is down, it's not neccessary to increase RX drops > for the tunnel device, packets would be recieved on fallback tunnel, > and the RX drops on fallback device will be increased as expected. > > Fixes: 8d79266bc48c ("ip6_tunnel: add collect_md mode to IPv6 tunnels") > Cc: Alexei Starovoitov <a...@fb.com> > Signed-off-by: Haishuang Yan <yanhaishu...@cmss.chinamobile.com> Applied.