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Date: Sun, 1 Oct 2017 22:00:56 +0800 From: Xin Long <lucien.xin@...il.com> To: network dev <netdev@...r.kernel.org> Cc: davem@...emloft.net, Dmitry Kozlov <xeb@...l.ru>, William Tu <u9012063@...il.com> Subject: [PATCH net 4/4] 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 <lucien.xin@...il.com> --- 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 fad0bb1..467e44d 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); } -- 2.1.0
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