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enic: Check if hw supports multi wq with vxlan offload

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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