+ * ice_get_link_speed_mbps - get link speed in Mbps
+ * @vsi: the VSI whose link speed is being queried
+ *
+ * Return current VSI link speed and 0 if the speed is unknown.
+ */
+int ice_get_link_speed_mbps(struct ice_vsi *vsi)
+{
+ switch (vsi->port_info->phy.link_info.link_speed) {
+ case ICE_AQ_LINK_SPEED_100GB:
+ return SPEED_100000;
+ case ICE_AQ_LINK_SPEED_50GB:
+ return SPEED_50000;
+ case ICE_AQ_LINK_SPEED_40GB:
+ return SPEED_40000;
+ case ICE_AQ_LINK_SPEED_25GB:
+ return SPEED_25000;
+ case ICE_AQ_LINK_SPEED_20GB:
+ return SPEED_20000;
+ case ICE_AQ_LINK_SPEED_10GB:
+ return SPEED_10000;
+ case ICE_AQ_LINK_SPEED_5GB:
+ return SPEED_5000;
+ case ICE_AQ_LINK_SPEED_2500MB:
+ return SPEED_2500;
+ case ICE_AQ_LINK_SPEED_1000MB:
+ return SPEED_1000;
+ case ICE_AQ_LINK_SPEED_100MB:
+ return SPEED_100;
+ case ICE_AQ_LINK_SPEED_10MB:
+ return SPEED_10;
+ case ICE_AQ_LINK_SPEED_UNKNOWN:
+ default:
+ return 0;
+ }
+}
+
+/**
+ * ice_get_link_speed_kbps - get link speed in Kbps
+ * @vsi: the VSI whose link speed is being queried
+ *
+ * Return current VSI link speed and 0 if the speed is unknown.
+ */
+static int ice_get_link_speed_kbps(struct ice_vsi *vsi)
+{
+ int speed_mbps;
+
+ speed_mbps = ice_get_link_speed_mbps(vsi);
+
+ return speed_mbps * 1000;
+}
+
+/**
+ * ice_set_min_bw_limit - setup minimum BW limit for Tx based on min_tx_rate
+ * @vsi: VSI to be configured
+ * @min_tx_rate: min Tx rate in Kbps to be configured as BW limit
+ *
+ * If the min_tx_rate is specified as 0 that means to clear the minimum BW limit
+ * profile, otherwise a non-zero value will force a minimum BW limit for the VSI
+ * on TC 0.
+ */
+int ice_set_min_bw_limit(struct ice_vsi *vsi, u64 min_tx_rate)
+{
+ struct ice_pf *pf = vsi->back;
+ enum ice_status status;
+ struct device *dev;
+ int speed;
+
+ dev = ice_pf_to_dev(pf);
+ if (!vsi->port_info) {
+ dev_dbg(dev, "VSI %d, type %u specified doesn't have valid port_info\n",
+ vsi->idx, vsi->type);
+ return -EINVAL;
+ }
+
+ speed = ice_get_link_speed_kbps(vsi);
+ if (min_tx_rate > (u64)speed) {
+ dev_err(dev, "invalid min Tx rate %llu Kbps specified for %s %d is greater than current link speed %u Kbps\n",
+ min_tx_rate, ice_vsi_type_str(vsi->type), vsi->idx,
+ speed);
+ return -EINVAL;
+ }
+
+ /* Configure min BW for VSI limit */
+ if (min_tx_rate) {
+ status = ice_cfg_vsi_bw_lmt_per_tc(vsi->port_info, vsi->idx, 0,
+ ICE_MIN_BW, min_tx_rate);
+ if (status) {
+ dev_err(dev, "failed to set min Tx rate(%llu Kbps) for %s %d\n",
+ min_tx_rate, ice_vsi_type_str(vsi->type),
+ vsi->idx);
+ return -EIO;
+ }
+
+ dev_dbg(dev, "set min Tx rate(%llu Kbps) for %s\n",
+ min_tx_rate, ice_vsi_type_str(vsi->type));
+ } else {
+ status = ice_cfg_vsi_bw_dflt_lmt_per_tc(vsi->port_info,
+ vsi->idx, 0,
+ ICE_MIN_BW);
+ if (status) {
+ dev_err(dev, "failed to clear min Tx rate configuration for %s %d\n",
+ ice_vsi_type_str(vsi->type), vsi->idx);
+ return -EIO;
+ }
+
+ dev_dbg(dev, "cleared min Tx rate configuration for %s %d\n",
+ ice_vsi_type_str(vsi->type), vsi->idx);
+ }
+
+ return 0;
+}
+
+/**
+ * ice_set_max_bw_limit - setup maximum BW limit for Tx based on max_tx_rate
+ * @vsi: VSI to be configured
+ * @max_tx_rate: max Tx rate in Kbps to be configured as BW limit
+ *
+ * If the max_tx_rate is specified as 0 that means to clear the maximum BW limit
+ * profile, otherwise a non-zero value will force a maximum BW limit for the VSI
+ * on TC 0.
+ */
+int ice_set_max_bw_limit(struct ice_vsi *vsi, u64 max_tx_rate)
+{
+ struct ice_pf *pf = vsi->back;
+ enum ice_status status;
+ struct device *dev;
+ int speed;
+
+ dev = ice_pf_to_dev(pf);
+ if (!vsi->port_info) {
+ dev_dbg(dev, "VSI %d, type %u specified doesn't have valid port_info\n",
+ vsi->idx, vsi->type);
+ return -EINVAL;
+ }
+
+ speed = ice_get_link_speed_kbps(vsi);
+ if (max_tx_rate > (u64)speed) {
+ dev_err(dev, "invalid max Tx rate %llu Kbps specified for %s %d is greater than current link speed %u Kbps\n",
+ max_tx_rate, ice_vsi_type_str(vsi->type), vsi->idx,
+ speed);
+ return -EINVAL;
+ }
+
+ /* Configure max BW for VSI limit */
+ if (max_tx_rate) {
+ status = ice_cfg_vsi_bw_lmt_per_tc(vsi->port_info, vsi->idx, 0,
+ ICE_MAX_BW, max_tx_rate);
+ if (status) {
+ dev_err(dev, "failed setting max Tx rate(%llu Kbps) for %s %d\n",
+ max_tx_rate, ice_vsi_type_str(vsi->type),
+ vsi->idx);
+ return -EIO;
+ }
+
+ dev_dbg(dev, "set max Tx rate(%llu Kbps) for %s %d\n",
+ max_tx_rate, ice_vsi_type_str(vsi->type), vsi->idx);
+ } else {
+ status = ice_cfg_vsi_bw_dflt_lmt_per_tc(vsi->port_info,
+ vsi->idx, 0,
+ ICE_MAX_BW);
+ if (status) {
+ dev_err(dev, "failed clearing max Tx rate configuration for %s %d\n",
+ ice_vsi_type_str(vsi->type), vsi->idx);
+ return -EIO;
+ }
+
+ dev_dbg(dev, "cleared max Tx rate configuration for %s %d\n",
+ ice_vsi_type_str(vsi->type), vsi->idx);
+ }
+
+ return 0;
+}
+
+/**