datapath: vxlan: enable zero checksum on recv.

partialy backport commit c868ee7063bdb5 ("lwt: fix rx checksum setting
for lwt devices tunneling over ipv6").

Signed-off-by: Pravin B Shelar <pshelar@ovn.org>
Acked-by: Jesse Gross <jesse@kernel.org>

diff --git a/datapath/vport-vxlan.c b/datapath/vport-vxlan.c
index 37e6da1..f73a10c 100644 (file)
--- a/datapath/vport-vxlan.c
+++ b/datapath/vport-vxlan.c
@@ -90,7 +90,7 @@ static struct vport *vxlan_tnl_create(const struct vport_parms *parms)
        int err;
        struct vxlan_config conf = {
                .no_share = true,
-               .flags = VXLAN_F_COLLECT_METADATA,
+               .flags = VXLAN_F_COLLECT_METADATA | VXLAN_F_UDP_ZERO_CSUM6_RX,
                /* Don't restrict the packets that can be sent by MTU */
                .mtu = IP_MAX_MTU,
        };