4 files changed, 146 insertions, 158 deletions

diff --git a/drivers/net/ethernet/intel/ice/ice.h b/drivers/net/ethernet/intel/ice/ice.h
index 2d51ceaa2c8c..fac8c14ecc55 100644
--- a/drivers/net/ethernet/intel/ice/ice.h
+++ b/drivers/net/ethernet/intel/ice/ice.h
@@ -70,7 +70,6 @@ extern const char ice_drv_ver[];
 #define ICE_Q_WAIT_RETRY_LIMIT	10
 #define ICE_Q_WAIT_MAX_RETRY	(5 * ICE_Q_WAIT_RETRY_LIMIT)
 #define ICE_MAX_LG_RSS_QS	256
-#define ICE_MAX_SMALL_RSS_QS	8
 #define ICE_RES_VALID_BIT	0x8000
 #define ICE_RES_MISC_VEC_ID	(ICE_RES_VALID_BIT - 1)
 #define ICE_INVAL_Q_INDEX	0xffff
diff --git a/drivers/net/ethernet/intel/ice/ice_lib.c b/drivers/net/ethernet/intel/ice/ice_lib.c
index ff72a6d1c978..16ec7483dcc0 100644
--- a/drivers/net/ethernet/intel/ice/ice_lib.c
+++ b/drivers/net/ethernet/intel/ice/ice_lib.c
@@ -571,12 +571,11 @@ static void ice_vsi_set_rss_params(struct ice_vsi *vsi)
 		vsi->rss_lut_type = ICE_AQC_GSET_RSS_LUT_TABLE_TYPE_PF;
 		break;
 	case ICE_VSI_VF:
-		/* VF VSI will gets a small RSS table
-		 * For VSI_LUT, LUT size should be set to 64 bytes
+		/* VF VSI will get a small RSS table.
+		 * For VSI_LUT, LUT size should be set to 64 bytes.
 		 */
 		vsi->rss_table_size = ICE_VSIQF_HLUT_ARRAY_SIZE;
-		vsi->rss_size = min_t(int, num_online_cpus(),
-				      BIT(cap->rss_table_entry_width));
+		vsi->rss_size = ICE_MAX_RSS_QS_PER_VF;
 		vsi->rss_lut_type = ICE_AQC_GSET_RSS_LUT_TABLE_TYPE_VSI;
 		break;
 	case ICE_VSI_LB:
@@ -684,7 +683,7 @@ static void ice_vsi_setup_q_map(struct ice_vsi *vsi, struct ice_vsi_ctx *ctxt)
 			if (vsi->type == ICE_VSI_PF)
 				max_rss = ICE_MAX_LG_RSS_QS;
 			else
-				max_rss = ICE_MAX_SMALL_RSS_QS;
+				max_rss = ICE_MAX_RSS_QS_PER_VF;
 			qcount_rx = min_t(int, rx_numq_tc, max_rss);
 			if (!vsi->req_rxq)
 				qcount_rx = min_t(int, qcount_rx,
diff --git a/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c b/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c
index 6bedfa4676ae..e6426f38db0b 100644
--- a/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c
+++ b/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c
@@ -99,8 +99,8 @@ ice_set_pfe_link(struct ice_vf *vf, struct virtchnl_pf_event *pfe,
  */
 static bool ice_vf_has_no_qs_ena(struct ice_vf *vf)
 {
-	return (!bitmap_weight(vf->rxq_ena, ICE_MAX_BASE_QS_PER_VF) &&
-		!bitmap_weight(vf->txq_ena, ICE_MAX_BASE_QS_PER_VF));
+	return (!bitmap_weight(vf->rxq_ena, ICE_MAX_RSS_QS_PER_VF) &&
+		!bitmap_weight(vf->txq_ena, ICE_MAX_RSS_QS_PER_VF));
 }
 
 /**
@@ -232,11 +232,7 @@ static void ice_dis_vf_mappings(struct ice_vf *vf)
  * ice_sriov_free_msix_res - Reset/free any used MSIX resources
  * @pf: pointer to the PF structure
  *
- * If MSIX entries from the pf->irq_tracker were needed then we need to
- * reset the irq_tracker->end and give back the entries we needed to
- * num_avail_sw_msix.
- *
- * If no MSIX entries were taken from the pf->irq_tracker then just clear
+ * Since no MSIX entries are taken from the pf->irq_tracker then just clear
  * the pf->sriov_base_vector.
  *
  * Returns 0 on success, and -EINVAL on error.
@@ -253,11 +249,7 @@ static int ice_sriov_free_msix_res(struct ice_pf *pf)
 		return -EINVAL;
 
 	/* give back irq_tracker resources used */
-	if (pf->sriov_base_vector < res->num_entries) {
-		res->end = res->num_entries;
-		pf->num_avail_sw_msix +=
-			res->num_entries - pf->sriov_base_vector;
-	}
+	WARN_ON(pf->sriov_base_vector < res->num_entries);
 
 	pf->sriov_base_vector = 0;
 
@@ -271,8 +263,8 @@ static int ice_sriov_free_msix_res(struct ice_pf *pf)
 void ice_set_vf_state_qs_dis(struct ice_vf *vf)
 {
 	/* Clear Rx/Tx enabled queues flag */
-	bitmap_zero(vf->txq_ena, ICE_MAX_BASE_QS_PER_VF);
-	bitmap_zero(vf->rxq_ena, ICE_MAX_BASE_QS_PER_VF);
+	bitmap_zero(vf->txq_ena, ICE_MAX_RSS_QS_PER_VF);
+	bitmap_zero(vf->rxq_ena, ICE_MAX_RSS_QS_PER_VF);
 	clear_bit(ICE_VF_STATE_QS_ENA, vf->vf_states);
 }
 
@@ -604,7 +596,7 @@ static int ice_alloc_vf_res(struct ice_vf *vf)
 	 */
 	tx_rx_queue_left = min_t(int, ice_get_avail_txq_count(pf),
 				 ice_get_avail_rxq_count(pf));
-	tx_rx_queue_left += ICE_DFLT_QS_PER_VF;
+	tx_rx_queue_left += pf->num_vf_qps;
 	if (vf->num_req_qs && vf->num_req_qs <= tx_rx_queue_left &&
 	    vf->num_req_qs != vf->num_vf_qs)
 		vf->num_vf_qs = vf->num_req_qs;
@@ -803,127 +795,108 @@ static int ice_get_max_valid_res_idx(struct ice_res_tracker *res)
  * @num_msix_needed: number of MSIX vectors needed for all SR-IOV VFs
  *
  * This function allows SR-IOV resources to be taken from the end of the PF's
- * allowed HW MSIX vectors so in many cases the irq_tracker will not
- * be needed. In these cases we just set the pf->sriov_base_vector and return
- * success.
+ * allowed HW MSIX vectors so that the irq_tracker will not be affected. We
+ * just set the pf->sriov_base_vector and return success.
  *
- * If SR-IOV needs to use any pf->irq_tracker entries it updates the
- * irq_tracker->end based on the first entry needed for SR-IOV. This makes it
- * so any calls to ice_get_res() using the irq_tracker will not try to use
- * resources at or beyond the newly set value.
+ * If there are not enough resources available, return an error. This should
+ * always be caught by ice_set_per_vf_res().
  *
  * Return 0 on success, and -EINVAL when there are not enough MSIX vectors in
  * in the PF's space available for SR-IOV.
  */
 static int ice_sriov_set_msix_res(struct ice_pf *pf, u16 num_msix_needed)
 {
-	int max_valid_res_idx = ice_get_max_valid_res_idx(pf->irq_tracker);
-	u16 pf_total_msix_vectors =
-		pf->hw.func_caps.common_cap.num_msix_vectors;
-	struct ice_res_tracker *res = pf->irq_tracker;
+	u16 total_vectors = pf->hw.func_caps.common_cap.num_msix_vectors;
+	int vectors_used = pf->irq_tracker->num_entries;
 	int sriov_base_vector;
 
-	if (max_valid_res_idx < 0)
-		return max_valid_res_idx;
-
-	sriov_base_vector = pf_total_msix_vectors - num_msix_needed;
+	sriov_base_vector = total_vectors - num_msix_needed;
 
 	/* make sure we only grab irq_tracker entries from the list end and
 	 * that we have enough available MSIX vectors
 	 */
-	if (sriov_base_vector <= max_valid_res_idx)
+	if (sriov_base_vector < vectors_used)
 		return -EINVAL;
 
 	pf->sriov_base_vector = sriov_base_vector;
 
-	/* dip into irq_tracker entries and update used resources */
-	if (num_msix_needed > (pf_total_msix_vectors - res->num_entries)) {
-		pf->num_avail_sw_msix -=
-			res->num_entries - pf->sriov_base_vector;
-		res->end = pf->sriov_base_vector;
-	}
-
 	return 0;
 }
 
 /**
- * ice_check_avail_res - check if vectors and queues are available
+ * ice_set_per_vf_res - check if vectors and queues are available
  * @pf: pointer to the PF structure
  *
- * This function is where we calculate actual number of resources for VF VSIs,
- * we don't reserve ahead of time during probe. Returns success if vectors and
- * queues resources are available, otherwise returns error code
+ * First, determine HW interrupts from common pool. If we allocate fewer VFs, we
+ * get more vectors and can enable more queues per VF. Note that this does not
+ * grab any vectors from the SW pool already allocated. Also note, that all
+ * vector counts include one for each VF's miscellaneous interrupt vector
+ * (i.e. OICR).
+ *
+ * Minimum VFs - 2 vectors, 1 queue pair
+ * Small VFs - 5 vectors, 4 queue pairs
+ * Medium VFs - 17 vectors, 16 queue pairs
+ *
+ * Second, determine number of queue pairs per VF by starting with a pre-defined
+ * maximum each VF supports. If this is not possible, then we adjust based on
+ * queue pairs available on the device.
+ *
+ * Lastly, set queue and MSI-X VF variables tracked by the PF so it can be used
+ * by each VF during VF initialization and reset.
  */
-static int ice_check_avail_res(struct ice_pf *pf)
+static int ice_set_per_vf_res(struct ice_pf *pf)
 {
 	int max_valid_res_idx = ice_get_max_valid_res_idx(pf->irq_tracker);
-	u16 num_msix, num_txq, num_rxq, num_avail_msix;
 	struct device *dev = ice_pf_to_dev(pf);
+	u16 num_msix, num_txq, num_rxq;
+	int v;
 
 	if (!pf->num_alloc_vfs || max_valid_res_idx < 0)
 		return -EINVAL;
 
-	/* add 1 to max_valid_res_idx to account for it being 0-based */
-	num_avail_msix = pf->hw.func_caps.common_cap.num_msix_vectors -
-		(max_valid_res_idx + 1);
-
-	/* Grab from HW interrupts common pool
-	 * Note: By the time the user decides it needs more vectors in a VF
-	 * its already too late since one must decide this prior to creating the
-	 * VF interface. So the best we can do is take a guess as to what the
-	 * user might want.
-	 *
-	 * We have two policies for vector allocation:
-	 * 1. if num_alloc_vfs is from 1 to 16, then we consider this as small
-	 * number of NFV VFs used for NFV appliances, since this is a special
-	 * case, we try to assign maximum vectors per VF (65) as much as
-	 * possible, based on determine_resources algorithm.
-	 * 2. if num_alloc_vfs is from 17 to 256, then its large number of
-	 * regular VFs which are not used for any special purpose. Hence try to
-	 * grab default interrupt vectors (5 as supported by AVF driver).
-	 */
-	if (pf->num_alloc_vfs <= 16) {
-		num_msix = ice_determine_res(pf, num_avail_msix,
-					     ICE_MAX_INTR_PER_VF,
-					     ICE_MIN_INTR_PER_VF);
-	} else if (pf->num_alloc_vfs <= ICE_MAX_VF_COUNT) {
-		num_msix = ice_determine_res(pf, num_avail_msix,
-					     ICE_DFLT_INTR_PER_VF,
-					     ICE_MIN_INTR_PER_VF);
+	/* determine MSI-X resources per VF */
+	v = (pf->hw.func_caps.common_cap.num_msix_vectors -
+	     pf->irq_tracker->num_entries) / pf->num_alloc_vfs;
+	if (v >= ICE_NUM_VF_MSIX_MED) {
+		num_msix = ICE_NUM_VF_MSIX_MED;
+	} else if (v >= ICE_NUM_VF_MSIX_SMALL) {
+		num_msix = ICE_NUM_VF_MSIX_SMALL;
+	} else if (v >= ICE_MIN_INTR_PER_VF) {
+		num_msix = ICE_MIN_INTR_PER_VF;
 	} else {
-		dev_err(dev, "Number of VFs %d exceeds max VF count %d\n",
-			pf->num_alloc_vfs, ICE_MAX_VF_COUNT);
+		dev_err(dev, "Not enough vectors to support %d VFs\n",
+			pf->num_alloc_vfs);
 		return -EIO;
 	}
 
-	if (!num_msix)
-		return -EIO;
-
-	/* Grab from the common pool
-	 * start by requesting Default queues (4 as supported by AVF driver),
-	 * Note that, the main difference between queues and vectors is, latter
-	 * can only be reserved at init time but queues can be requested by VF
-	 * at runtime through Virtchnl, that is the reason we start by reserving
-	 * few queues.
-	 */
+	/* determine queue resources per VF */
 	num_txq = ice_determine_res(pf, ice_get_avail_txq_count(pf),
-				    ICE_DFLT_QS_PER_VF, ICE_MIN_QS_PER_VF);
+				    min_t(u16, num_msix - 1,
+					  ICE_MAX_RSS_QS_PER_VF),
+				    ICE_MIN_QS_PER_VF);
 
 	num_rxq = ice_determine_res(pf, ice_get_avail_rxq_count(pf),
-				    ICE_DFLT_QS_PER_VF, ICE_MIN_QS_PER_VF);
+				    min_t(u16, num_msix - 1,
+					  ICE_MAX_RSS_QS_PER_VF),
+				    ICE_MIN_QS_PER_VF);
 
-	if (!num_txq || !num_rxq)
+	if (!num_txq || !num_rxq) {
+		dev_err(dev, "Not enough queues to support %d VFs\n",
+			pf->num_alloc_vfs);
 		return -EIO;
+	}
 
-	if (ice_sriov_set_msix_res(pf, num_msix * pf->num_alloc_vfs))
+	if (ice_sriov_set_msix_res(pf, num_msix * pf->num_alloc_vfs)) {
+		dev_err(dev, "Unable to set MSI-X resources for %d VFs\n",
+			pf->num_alloc_vfs);
 		return -EINVAL;
+	}
 
-	/* since AVF driver works with only queue pairs which means, it expects
-	 * to have equal number of Rx and Tx queues, so take the minimum of
-	 * available Tx or Rx queues
-	 */
+	/* only allow equal Tx/Rx queue count (i.e. queue pairs) */
 	pf->num_vf_qps = min_t(int, num_txq, num_rxq);
 	pf->num_vf_msix = num_msix;
+	dev_info(dev, "Enabling %d VFs with %d vectors and %d queues per VF\n",
+		 pf->num_alloc_vfs, num_msix, pf->num_vf_qps);
 
 	return 0;
 }
@@ -1032,7 +1005,7 @@ static bool ice_config_res_vfs(struct ice_pf *pf)
 	struct ice_hw *hw = &pf->hw;
 	int v;
 
-	if (ice_check_avail_res(pf)) {
+	if (ice_set_per_vf_res(pf)) {
 		dev_err(dev, "Cannot allocate VF resources, try with fewer number of VFs\n");
 		return false;
 	}
@@ -2126,8 +2099,8 @@ error_param:
 static bool ice_vc_validate_vqs_bitmaps(struct virtchnl_queue_select *vqs)
 {
 	if ((!vqs->rx_queues && !vqs->tx_queues) ||
-	    vqs->rx_queues >= BIT(ICE_MAX_BASE_QS_PER_VF) ||
-	    vqs->tx_queues >= BIT(ICE_MAX_BASE_QS_PER_VF))
+	    vqs->rx_queues >= BIT(ICE_MAX_RSS_QS_PER_VF) ||
+	    vqs->tx_queues >= BIT(ICE_MAX_RSS_QS_PER_VF))
 		return false;
 
 	return true;
@@ -2176,7 +2149,7 @@ static int ice_vc_ena_qs_msg(struct ice_vf *vf, u8 *msg)
 	 * programmed using ice_vsi_cfg_txqs
 	 */
 	q_map = vqs->rx_queues;
-	for_each_set_bit(vf_q_id, &q_map, ICE_MAX_BASE_QS_PER_VF) {
+	for_each_set_bit(vf_q_id, &q_map, ICE_MAX_RSS_QS_PER_VF) {
 		if (!ice_vc_isvalid_q_id(vf, vqs->vsi_id, vf_q_id)) {
 			v_ret = VIRTCHNL_STATUS_ERR_PARAM;
 			goto error_param;
@@ -2198,7 +2171,7 @@ static int ice_vc_ena_qs_msg(struct ice_vf *vf, u8 *msg)
 
 	vsi = pf->vsi[vf->lan_vsi_idx];
 	q_map = vqs->tx_queues;
-	for_each_set_bit(vf_q_id, &q_map, ICE_MAX_BASE_QS_PER_VF) {
+	for_each_set_bit(vf_q_id, &q_map, ICE_MAX_RSS_QS_PER_VF) {
 		if (!ice_vc_isvalid_q_id(vf, vqs->vsi_id, vf_q_id)) {
 			v_ret = VIRTCHNL_STATUS_ERR_PARAM;
 			goto error_param;
@@ -2255,12 +2228,6 @@ static int ice_vc_dis_qs_msg(struct ice_vf *vf, u8 *msg)
 		goto error_param;
 	}
 
-	if (vqs->rx_queues > ICE_MAX_BASE_QS_PER_VF ||
-	    vqs->tx_queues > ICE_MAX_BASE_QS_PER_VF) {
-		v_ret = VIRTCHNL_STATUS_ERR_PARAM;
-		goto error_param;
-	}
-
 	vsi = pf->vsi[vf->lan_vsi_idx];
 	if (!vsi) {
 		v_ret = VIRTCHNL_STATUS_ERR_PARAM;
@@ -2270,7 +2237,7 @@ static int ice_vc_dis_qs_msg(struct ice_vf *vf, u8 *msg)
 	if (vqs->tx_queues) {
 		q_map = vqs->tx_queues;
 
-		for_each_set_bit(vf_q_id, &q_map, ICE_MAX_BASE_QS_PER_VF) {
+		for_each_set_bit(vf_q_id, &q_map, ICE_MAX_RSS_QS_PER_VF) {
 			struct ice_ring *ring = vsi->tx_rings[vf_q_id];
 			struct ice_txq_meta txq_meta = { 0 };
 
@@ -2301,7 +2268,7 @@ static int ice_vc_dis_qs_msg(struct ice_vf *vf, u8 *msg)
 	q_map = vqs->rx_queues;
 	/* speed up Rx queue disable by batching them if possible */
 	if (q_map &&
-	    bitmap_equal(&q_map, vf->rxq_ena, ICE_MAX_BASE_QS_PER_VF)) {
+	    bitmap_equal(&q_map, vf->rxq_ena, ICE_MAX_RSS_QS_PER_VF)) {
 		if (ice_vsi_stop_all_rx_rings(vsi)) {
 			dev_err(ice_pf_to_dev(vsi->back), "Failed to stop all Rx rings on VSI %d\n",
 				vsi->vsi_num);
@@ -2309,9 +2276,9 @@ static int ice_vc_dis_qs_msg(struct ice_vf *vf, u8 *msg)
 			goto error_param;
 		}
 
-		bitmap_zero(vf->rxq_ena, ICE_MAX_BASE_QS_PER_VF);
+		bitmap_zero(vf->rxq_ena, ICE_MAX_RSS_QS_PER_VF);
 	} else if (q_map) {
-		for_each_set_bit(vf_q_id, &q_map, ICE_MAX_BASE_QS_PER_VF) {
+		for_each_set_bit(vf_q_id, &q_map, ICE_MAX_RSS_QS_PER_VF) {
 			if (!ice_vc_isvalid_q_id(vf, vqs->vsi_id, vf_q_id)) {
 				v_ret = VIRTCHNL_STATUS_ERR_PARAM;
 				goto error_param;
@@ -2345,6 +2312,57 @@ error_param:
 }
 
 /**
+ * ice_cfg_interrupt
+ * @vf: pointer to the VF info
+ * @vsi: the VSI being configured
+ * @vector_id: vector ID
+ * @map: vector map for mapping vectors to queues
+ * @q_vector: structure for interrupt vector
+ * configure the IRQ to queue map
+ */
+static int
+ice_cfg_interrupt(struct ice_vf *vf, struct ice_vsi *vsi, u16 vector_id,
+		  struct virtchnl_vector_map *map,
+		  struct ice_q_vector *q_vector)
+{
+	u16 vsi_q_id, vsi_q_id_idx;
+	unsigned long qmap;
+
+	q_vector->num_ring_rx = 0;
+	q_vector->num_ring_tx = 0;
+
+	qmap = map->rxq_map;
+	for_each_set_bit(vsi_q_id_idx, &qmap, ICE_MAX_RSS_QS_PER_VF) {
+		vsi_q_id = vsi_q_id_idx;
+
+		if (!ice_vc_isvalid_q_id(vf, vsi->vsi_num, vsi_q_id))
+			return VIRTCHNL_STATUS_ERR_PARAM;
+
+		q_vector->num_ring_rx++;
+		q_vector->rx.itr_idx = map->rxitr_idx;
+		vsi->rx_rings[vsi_q_id]->q_vector = q_vector;
+		ice_cfg_rxq_interrupt(vsi, vsi_q_id, vector_id,
+				      q_vector->rx.itr_idx);
+	}
+
+	qmap = map->txq_map;
+	for_each_set_bit(vsi_q_id_idx, &qmap, ICE_MAX_RSS_QS_PER_VF) {
+		vsi_q_id = vsi_q_id_idx;
+
+		if (!ice_vc_isvalid_q_id(vf, vsi->vsi_num, vsi_q_id))
+			return VIRTCHNL_STATUS_ERR_PARAM;
+
+		q_vector->num_ring_tx++;
+		q_vector->tx.itr_idx = map->txitr_idx;
+		vsi->tx_rings[vsi_q_id]->q_vector = q_vector;
+		ice_cfg_txq_interrupt(vsi, vsi_q_id, vector_id,
+				      q_vector->tx.itr_idx);
+	}
+
+	return VIRTCHNL_STATUS_SUCCESS;
+}
+
+/**
  * ice_vc_cfg_irq_map_msg
  * @vf: pointer to the VF info
  * @msg: pointer to the msg buffer
@@ -2354,13 +2372,11 @@ error_param:
 static int ice_vc_cfg_irq_map_msg(struct ice_vf *vf, u8 *msg)
 {
 	enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS;
+	u16 num_q_vectors_mapped, vsi_id, vector_id;
 	struct virtchnl_irq_map_info *irqmap_info;
-	u16 vsi_id, vsi_q_id, vector_id;
 	struct virtchnl_vector_map *map;
 	struct ice_pf *pf = vf->pf;
-	u16 num_q_vectors_mapped;
 	struct ice_vsi *vsi;
-	unsigned long qmap;
 	int i;
 
 	irqmap_info = (struct virtchnl_irq_map_info *)msg;
@@ -2372,7 +2388,7 @@ static int ice_vc_cfg_irq_map_msg(struct ice_vf *vf, u8 *msg)
 	 */
 	if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states) ||
 	    pf->num_vf_msix < num_q_vectors_mapped ||
-	    !irqmap_info->num_vectors) {
+	    !num_q_vectors_mapped) {
 		v_ret = VIRTCHNL_STATUS_ERR_PARAM;
 		goto error_param;
 	}
@@ -2393,7 +2409,7 @@ static int ice_vc_cfg_irq_map_msg(struct ice_vf *vf, u8 *msg)
 		/* vector_id is always 0-based for each VF, and can never be
 		 * larger than or equal to the max allowed interrupts per VF
 		 */
-		if (!(vector_id < ICE_MAX_INTR_PER_VF) ||
+		if (!(vector_id < pf->num_vf_msix) ||
 		    !ice_vc_isvalid_vsi_id(vf, vsi_id) ||
 		    (!vector_id && (map->rxq_map || map->txq_map))) {
 			v_ret = VIRTCHNL_STATUS_ERR_PARAM;
@@ -2414,33 +2430,10 @@ static int ice_vc_cfg_irq_map_msg(struct ice_vf *vf, u8 *msg)
 		}
 
 		/* lookout for the invalid queue index */
-		qmap = map->rxq_map;
-		q_vector->num_ring_rx = 0;
-		for_each_set_bit(vsi_q_id, &qmap, ICE_MAX_BASE_QS_PER_VF) {
-			if (!ice_vc_isvalid_q_id(vf, vsi_id, vsi_q_id)) {
-				v_ret = VIRTCHNL_STATUS_ERR_PARAM;
-				goto error_param;
-			}
-			q_vector->num_ring_rx++;
-			q_vector->rx.itr_idx = map->rxitr_idx;
-			vsi->rx_rings[vsi_q_id]->q_vector = q_vector;
-			ice_cfg_rxq_interrupt(vsi, vsi_q_id, vector_id,
-					      q_vector->rx.itr_idx);
-		}
-
-		qmap = map->txq_map;
-		q_vector->num_ring_tx = 0;
-		for_each_set_bit(vsi_q_id, &qmap, ICE_MAX_BASE_QS_PER_VF) {
-			if (!ice_vc_isvalid_q_id(vf, vsi_id, vsi_q_id)) {
-				v_ret = VIRTCHNL_STATUS_ERR_PARAM;
-				goto error_param;
-			}
-			q_vector->num_ring_tx++;
-			q_vector->tx.itr_idx = map->txitr_idx;
-			vsi->tx_rings[vsi_q_id]->q_vector = q_vector;
-			ice_cfg_txq_interrupt(vsi, vsi_q_id, vector_id,
-					      q_vector->tx.itr_idx);
-		}
+		v_ret = (enum virtchnl_status_code)
+			ice_cfg_interrupt(vf, vsi, vector_id, map, q_vector);
+		if (v_ret)
+			goto error_param;
 	}
 
 error_param:
@@ -2483,7 +2476,7 @@ static int ice_vc_cfg_qs_msg(struct ice_vf *vf, u8 *msg)
 		goto error_param;
 	}
 
-	if (qci->num_queue_pairs > ICE_MAX_BASE_QS_PER_VF ||
+	if (qci->num_queue_pairs > ICE_MAX_RSS_QS_PER_VF ||
 	    qci->num_queue_pairs > min_t(u16, vsi->alloc_txq, vsi->alloc_rxq)) {
 		dev_err(ice_pf_to_dev(pf), "VF-%d requesting more than supported number of queues: %d\n",
 			vf->vf_id, min_t(u16, vsi->alloc_txq, vsi->alloc_rxq));
@@ -2790,16 +2783,16 @@ static int ice_vc_request_qs_msg(struct ice_vf *vf, u8 *msg)
 	if (!req_queues) {
 		dev_err(dev, "VF %d tried to request 0 queues. Ignoring.\n",
 			vf->vf_id);
-	} else if (req_queues > ICE_MAX_BASE_QS_PER_VF) {
+	} else if (req_queues > ICE_MAX_RSS_QS_PER_VF) {
 		dev_err(dev, "VF %d tried to request more than %d queues.\n",
-			vf->vf_id, ICE_MAX_BASE_QS_PER_VF);
-		vfres->num_queue_pairs = ICE_MAX_BASE_QS_PER_VF;
+			vf->vf_id, ICE_MAX_RSS_QS_PER_VF);
+		vfres->num_queue_pairs = ICE_MAX_RSS_QS_PER_VF;
 	} else if (req_queues > cur_queues &&
 		   req_queues - cur_queues > tx_rx_queue_left) {
 		dev_warn(dev, "VF %d requested %u more queues, but only %u left.\n",
 			 vf->vf_id, req_queues - cur_queues, tx_rx_queue_left);
 		vfres->num_queue_pairs = min_t(u16, max_allowed_vf_queues,
-					       ICE_MAX_BASE_QS_PER_VF);
+					       ICE_MAX_RSS_QS_PER_VF);
 	} else {
 		/* request is successful, then reset VF */
 		vf->num_req_qs = req_queues;
diff --git a/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.h b/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.h
index 36dad0eba3db..3f9464269bd2 100644
--- a/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.h
+++ b/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.h
@@ -21,18 +21,15 @@
 #define ICE_PCI_CIAD_WAIT_COUNT		100
 #define ICE_PCI_CIAD_WAIT_DELAY_US	1
 
-/* VF resources default values and limitation */
+/* VF resource constraints */
 #define ICE_MAX_VF_COUNT		256
-#define ICE_MAX_QS_PER_VF		256
 #define ICE_MIN_QS_PER_VF		1
-#define ICE_DFLT_QS_PER_VF		4
 #define ICE_NONQ_VECS_VF		1
 #define ICE_MAX_SCATTER_QS_PER_VF	16
-#define ICE_MAX_BASE_QS_PER_VF		16
-#define ICE_MAX_INTR_PER_VF		65
-#define ICE_MAX_POLICY_INTR_PER_VF	33
+#define ICE_MAX_RSS_QS_PER_VF		16
+#define ICE_NUM_VF_MSIX_MED		17
+#define ICE_NUM_VF_MSIX_SMALL		5
 #define ICE_MIN_INTR_PER_VF		(ICE_MIN_QS_PER_VF + 1)
-#define ICE_DFLT_INTR_PER_VF		(ICE_DFLT_QS_PER_VF + 1)
 #define ICE_MAX_VF_RESET_TRIES		40
 #define ICE_MAX_VF_RESET_SLEEP_MS	20
 
@@ -75,8 +72,8 @@ struct ice_vf {
 	struct virtchnl_version_info vf_ver;
 	u32 driver_caps;		/* reported by VF driver */
 	struct virtchnl_ether_addr dflt_lan_addr;
-	DECLARE_BITMAP(txq_ena, ICE_MAX_BASE_QS_PER_VF);
-	DECLARE_BITMAP(rxq_ena, ICE_MAX_BASE_QS_PER_VF);
+	DECLARE_BITMAP(txq_ena, ICE_MAX_RSS_QS_PER_VF);
+	DECLARE_BITMAP(rxq_ena, ICE_MAX_RSS_QS_PER_VF);
 	u16 port_vlan_info;		/* Port VLAN ID and QoS */
 	u8 pf_set_mac:1;		/* VF MAC address set by VMM admin */
 	u8 trusted:1;