[Devel] [PATCH RHEL COMMIT] ve/net/ip_gre: containerize per-net devices

[Konstantin Khorenko]

The commit is pushed to "branch-rh9-5.14.vz9.1.x-ovz" and will appear at https://src.openvz.org/scm/ovz/vzkernel.git
after ark-5.14
------>
commit ff9c009d1a94dc50625a481b2f62521bb862e2da
Author: Kirill Tkhai <ktkhai at odin.com>
Date:   Fri Sep 24 14:50:19 2021 +0300

    ve/net/ip_gre: containerize per-net devices
    
    Port patch diff-ve-net-ip_gre-containerize-per-net-devices from 2.6.32:
    
    This patch adds IP GRE devices support in a container.
    
    Done in the scope of
    https://jira.sw.ru/browse/PSBM-24331
    
    Signed-off-by: Kirill Tkhai <ktkhai at odin.com>
    
    Signed-off-by: Stanislav Kinsbursky <skinsbursky at parallels.com>
    
    https://jira.sw.ru/browse/PSBM-133986
    
    (cherry picked from commit bf0bdec95ab1d3b18ccc43e05b01109e4db97c46)
    Signed-off-by: Alexander Mikhalitsyn <alexander.mikhalitsyn at virtuozzo.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 95419b7adf5c..87a682b57dff 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -974,6 +974,7 @@ static void __gre_tunnel_init(struct net_device *dev)
 		 */
 		dev->features |= NETIF_F_LLTX;
 	}
+	dev->features |= NETIF_F_VIRTUAL;
 }
 
 static int ipgre_tunnel_init(struct net_device *dev)