From c84bed440e4e11a973e8c0254d0dfaccfca41fb0 Mon Sep 17 00:00:00 2001 From: Xin Long Date: Sun, 1 Oct 2017 22:00:56 +0800 Subject: [PATCH] ip_gre: erspan device should keep dst The patch 'ip_gre: ipgre_tap device should keep dst' fixed the issue ipgre_tap dev mtu couldn't be updated in tx path. The same fix is needed for erspan as well. Fixes: 84e54fe0a5ea ("gre: introduce native tunnel support for ERSPAN") Signed-off-by: Xin Long Signed-off-by: David S. Miller --- net/ipv4/ip_gre.c | 1 + 1 file changed, 1 insertion(+) diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c index fad0bb1e3e9a..467e44d7587d 100644 --- a/net/ipv4/ip_gre.c +++ b/net/ipv4/ip_gre.c @@ -1254,6 +1254,7 @@ static int erspan_tunnel_init(struct net_device *dev) dev->features |= GRE_FEATURES; dev->hw_features |= GRE_FEATURES; dev->priv_flags |= IFF_LIVE_ADDR_CHANGE; + netif_keep_dst(dev); return ip_tunnel_init(dev); }