ip_gre: propogate target device GSO capability to the tunnel device

Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 8 insertions, 2 deletions

diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index cdc31ac4a9df..31bc94152693 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -1103,8 +1103,14 @@ static int ipgre_tunnel_bind_dev(struct net_device *dev)
         tunnel->hlen = addend;
         /* TCP offload with GRE SEQ is not supported. */
         if (!(tunnel->parms.o_flags & GRE_SEQ)) {
-                dev->features           |= NETIF_F_GSO_SOFTWARE;
-                dev->hw_features        |= NETIF_F_GSO_SOFTWARE;
+                /* device supports enc gso offload*/
+                if (tdev->hw_enc_features & NETIF_F_GRE_GSO) {
+                        dev->features           |= NETIF_F_TSO;
+                        dev->hw_features        |= NETIF_F_TSO;
+                } else {
+                        dev->features           |= NETIF_F_GSO_SOFTWARE;
+                        dev->hw_features        |= NETIF_F_GSO_SOFTWARE;
+                }
         }
 
         return mtu;