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enic: Check if hw supports multi wq with vxlan offload 

Some adaptors do not support vxlan offload when multi wq is configured.

If hw supports multi wq, BIT(2) is set in a1.

Signed-off-by: Govindarajulu Varadarajan <gvaradar@cisco.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Govindarajulu Varadarajan 2018-03-01 11:07:21 -08:00 committed by David S. Miller
parent d11790941d
commit 7e24c64253
2 changed files with 6 additions and 0 deletions
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5
drivers/net/ethernet/cisco/enic/enic_main.c
View File

@ -212,6 +212,11 @@ static void enic_udp_tunnel_add(struct net_device *netdev,
goto error;
}
if ((vnic_dev_get_res_count(enic->vdev, RES_TYPE_WQ) != 1) &&
!(enic->vxlan.flags & ENIC_VXLAN_MULTI_WQ)) {
netdev_info(netdev, "vxlan: vxlan offload with multi wq not supported on this adapter");
goto error;
}
err = vnic_dev_overlay_offload_cfg(enic->vdev,
OVERLAY_CFG_VXLAN_PORT_UPDATE,

1
drivers/net/ethernet/cisco/enic/vnic_devcmd.h
View File

@ -699,6 +699,7 @@ enum overlay_ofld_cmd {
#define ENIC_VXLAN_INNER_IPV6 BIT(0)
#define ENIC_VXLAN_OUTER_IPV6 BIT(1)
#define ENIC_VXLAN_MULTI_WQ BIT(2)
/* Use this enum to get the supported versions for each of these features
* If you need to use the devcmd_get_supported_feature_version(), add