diff mbox series

[net-next,3/6] enic: Check if hw supports multi wq with vxlan offload

Message ID 20180301190724.3192-4-gvaradar@cisco.com
State Accepted, archived
Delegated to: David Miller
Headers show
Series enic update | expand

Commit Message

Govindarajulu Varadarajan March 1, 2018, 7:07 p.m. UTC 
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>
---
 drivers/net/ethernet/cisco/enic/enic_main.c   | 5 +++++
 drivers/net/ethernet/cisco/enic/vnic_devcmd.h | 1 +
 2 files changed, 6 insertions(+)
diff mbox series

Patch

diff --git a/drivers/net/ethernet/cisco/enic/enic_main.c b/drivers/net/ethernet/cisco/enic/enic_main.c
index 848aac477cff..3280a05f9cf1 100644
--- a/drivers/net/ethernet/cisco/enic/enic_main.c
+++ b/drivers/net/ethernet/cisco/enic/enic_main.c
@@ -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,
diff --git a/drivers/net/ethernet/cisco/enic/vnic_devcmd.h b/drivers/net/ethernet/cisco/enic/vnic_devcmd.h
index 69529a3516cd..8fce9ef1c9bc 100644
--- a/drivers/net/ethernet/cisco/enic/vnic_devcmd.h
+++ b/drivers/net/ethernet/cisco/enic/vnic_devcmd.h
@@ -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