diff options
Diffstat (limited to 'drivers/net/ethernet/cisco/enic/vnic_dev.c')
| -rw-r--r-- | drivers/net/ethernet/cisco/enic/vnic_dev.c | 22 |
1 files changed, 19 insertions, 3 deletions
diff --git a/drivers/net/ethernet/cisco/enic/vnic_dev.c b/drivers/net/ethernet/cisco/enic/vnic_dev.c index 39bad67422dd..76cdd4c9d11f 100644 --- a/drivers/net/ethernet/cisco/enic/vnic_dev.c +++ b/drivers/net/ethernet/cisco/enic/vnic_dev.c @@ -1269,16 +1269,32 @@ int vnic_dev_overlay_offload_cfg(struct vnic_dev *vdev, u8 overlay, } int vnic_dev_get_supported_feature_ver(struct vnic_dev *vdev, u8 feature, - u64 *supported_versions) + u64 *supported_versions, u64 *a1) { u64 a0 = feature; int wait = 1000; - u64 a1 = 0; int ret; - ret = vnic_dev_cmd(vdev, CMD_GET_SUPP_FEATURE_VER, &a0, &a1, wait); + ret = vnic_dev_cmd(vdev, CMD_GET_SUPP_FEATURE_VER, &a0, a1, wait); if (!ret) *supported_versions = a0; return ret; } + +bool vnic_dev_capable_udp_rss(struct vnic_dev *vdev) +{ + u64 a0 = CMD_NIC_CFG, a1 = 0; + u64 rss_hash_type; + int wait = 1000; + int err; + + err = vnic_dev_cmd(vdev, CMD_CAPABILITY, &a0, &a1, wait); + if (err || !a0) + return false; + + rss_hash_type = (a1 >> NIC_CFG_RSS_HASH_TYPE_SHIFT) & + NIC_CFG_RSS_HASH_TYPE_MASK_FIELD; + + return (rss_hash_type & NIC_CFG_RSS_HASH_TYPE_UDP); +} |