Merge branch 'hns3-fixes'

Huazhong Tan says:

====================
net: hns3: code optimizations & bugfixes for HNS3 driver

This patchset includes bugfixes and code optimizations for the HNS3
ethernet controller driver
====================
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/hisilicon/hns3/hnae3.h

@@ -124,6 +124,7 @@ enum hnae3_reset_notify_type {
 	HNAE3_DOWN_CLIENT,
 	HNAE3_INIT_CLIENT,
 	HNAE3_UNINIT_CLIENT,
+	HNAE3_RESTORE_CLIENT,
 };
 
 enum hnae3_reset_type {
@@ -500,6 +501,7 @@ struct hnae3_tc_info {
 struct hnae3_knic_private_info {
 	struct net_device *netdev; /* Set by KNIC client when init instance */
 	u16 rss_size;		   /* Allocated RSS queues */
+	u16 req_rss_size;
 	u16 rx_buf_len;
 	u16 num_desc;
 

drivers/net/ethernet/hisilicon/hns3/hns3_enet.c

@@ -3185,6 +3185,9 @@ static int hns3_nic_uninit_vector_data(struct hns3_nic_priv *priv)
 	for (i = 0; i < priv->vector_num; i++) {
 		tqp_vector = &priv->tqp_vector[i];
 
+		if (!tqp_vector->rx_group.ring && !tqp_vector->tx_group.ring)
+			continue;
+
 		ret = hns3_get_vector_ring_chain(tqp_vector,
 						 &vector_ring_chain);
 		if (ret)
@@ -3205,7 +3208,6 @@ static int hns3_nic_uninit_vector_data(struct hns3_nic_priv *priv)
 			tqp_vector->irq_init_flag = HNS3_VECTOR_NOT_INITED;
 		}
 
-		priv->ring_data[i].ring->irq_init_flag = HNS3_VECTOR_NOT_INITED;
 		hns3_clear_ring_group(&tqp_vector->rx_group);
 		hns3_clear_ring_group(&tqp_vector->tx_group);
 		netif_napi_del(&priv->tqp_vector[i].napi);
@@ -3238,6 +3240,7 @@ static int hns3_ring_get_cfg(struct hnae3_queue *q, struct hns3_nic_priv *priv,
 {
 	struct hns3_nic_ring_data *ring_data = priv->ring_data;
 	int queue_num = priv->ae_handle->kinfo.num_tqps;
+	int desc_num = priv->ae_handle->kinfo.num_desc;
 	struct pci_dev *pdev = priv->ae_handle->pdev;
 	struct hns3_enet_ring *ring;
 
@@ -3263,7 +3266,7 @@ static int hns3_ring_get_cfg(struct hnae3_queue *q, struct hns3_nic_priv *priv,
 	ring->dev = priv->dev;
 	ring->desc_dma_addr = 0;
 	ring->buf_size = q->buf_size;
-	ring->desc_num = q->desc_num;
+	ring->desc_num = desc_num;
 	ring->next_to_use = 0;
 	ring->next_to_clean = 0;
 
@@ -3725,7 +3728,6 @@ static int hns3_client_setup_tc(struct hnae3_handle *handle, u8 tc)
 {
 	struct hnae3_knic_private_info *kinfo = &handle->kinfo;
 	struct net_device *ndev = kinfo->netdev;
-	bool if_running;
 	int ret;
 
 	if (tc > HNAE3_MAX_TC)
@@ -3734,24 +3736,13 @@ static int hns3_client_setup_tc(struct hnae3_handle *handle, u8 tc)
 	if (!ndev)
 		return -ENODEV;
 
-	if_running = netif_running(ndev);
-
-	if (if_running) {
-		(void)hns3_nic_net_stop(ndev);
-		msleep(100);
-	}
-
 	ret = (kinfo->dcb_ops && kinfo->dcb_ops->map_update) ?
 		kinfo->dcb_ops->map_update(handle) : -EOPNOTSUPP;
 	if (ret)
-		goto err_out;
+		return ret;
 
 	ret = hns3_nic_set_real_num_queue(ndev);
 
-err_out:
-	if (if_running)
-		(void)hns3_nic_net_open(ndev);
-
 	return ret;
 }
 
@@ -4013,41 +4004,18 @@ static int hns3_reset_notify_init_enet(struct hnae3_handle *handle)
 {
 	struct net_device *netdev = handle->kinfo.netdev;
 	struct hns3_nic_priv *priv = netdev_priv(netdev);
-	bool vlan_filter_enable;
 	int ret;
 
-	ret = hns3_init_mac_addr(netdev, false);
-	if (ret)
-		return ret;
-
-	ret = hns3_recover_hw_addr(netdev);
-	if (ret)
-		return ret;
-
-	ret = hns3_update_promisc_mode(netdev, handle->netdev_flags);
-	if (ret)
-		return ret;
-
-	vlan_filter_enable = netdev->flags & IFF_PROMISC ? false : true;
-	hns3_enable_vlan_filter(netdev, vlan_filter_enable);
-
-	/* Hardware table is only clear when pf resets */
-	if (!(handle->flags & HNAE3_SUPPORT_VF)) {
-		ret = hns3_restore_vlan(netdev);
-		if (ret)
-			return ret;
-	}
+	/* Carrier off reporting is important to ethtool even BEFORE open */
+	netif_carrier_off(netdev);
 
-	ret = hns3_restore_fd_rules(netdev);
+	ret = hns3_get_ring_config(priv);
 	if (ret)
 		return ret;
 
-	/* Carrier off reporting is important to ethtool even BEFORE open */
-	netif_carrier_off(netdev);
-
 	ret = hns3_nic_alloc_vector_data(priv);
 	if (ret)
-		return ret;
+		goto err_put_ring;
 
 	hns3_restore_coal(priv);
 
@@ -4068,10 +4036,44 @@ static int hns3_reset_notify_init_enet(struct hnae3_handle *handle)
 	priv->ring_data = NULL;
 err_dealloc_vector:
 	hns3_nic_dealloc_vector_data(priv);
+err_put_ring:
+	hns3_put_ring_config(priv);
+	priv->ring_data = NULL;
 
 	return ret;
 }
 
+static int hns3_reset_notify_restore_enet(struct hnae3_handle *handle)
+{
+	struct net_device *netdev = handle->kinfo.netdev;
+	bool vlan_filter_enable;
+	int ret;
+
+	ret = hns3_init_mac_addr(netdev, false);
+	if (ret)
+		return ret;
+
+	ret = hns3_recover_hw_addr(netdev);
+	if (ret)
+		return ret;
+
+	ret = hns3_update_promisc_mode(netdev, handle->netdev_flags);
+	if (ret)
+		return ret;
+
+	vlan_filter_enable = netdev->flags & IFF_PROMISC ? false : true;
+	hns3_enable_vlan_filter(netdev, vlan_filter_enable);
+
+	/* Hardware table is only clear when pf resets */
+	if (!(handle->flags & HNAE3_SUPPORT_VF)) {
+		ret = hns3_restore_vlan(netdev);
+		if (ret)
+			return ret;
+	}
+
+	return hns3_restore_fd_rules(netdev);
+}
+
 static int hns3_reset_notify_uninit_enet(struct hnae3_handle *handle)
 {
 	struct net_device *netdev = handle->kinfo.netdev;
@@ -4101,6 +4103,9 @@ static int hns3_reset_notify_uninit_enet(struct hnae3_handle *handle)
 	if (ret)
 		netdev_err(netdev, "uninit ring error\n");
 
+	hns3_put_ring_config(priv);
+	priv->ring_data = NULL;
+
 	clear_bit(HNS3_NIC_STATE_INITED, &priv->state);
 
 	return ret;
@@ -4124,6 +4129,9 @@ static int hns3_reset_notify(struct hnae3_handle *handle,
 	case HNAE3_UNINIT_CLIENT:
 		ret = hns3_reset_notify_uninit_enet(handle);
 		break;
+	case HNAE3_RESTORE_CLIENT:
+		ret = hns3_reset_notify_restore_enet(handle);
+		break;
 	default:
 		break;
 	}
@@ -4131,57 +4139,11 @@ static int hns3_reset_notify(struct hnae3_handle *handle,
 	return ret;
 }
 
-static int hns3_modify_tqp_num(struct net_device *netdev, u16 new_tqp_num)
-{
-	struct hns3_nic_priv *priv = netdev_priv(netdev);
-	struct hnae3_handle *h = hns3_get_handle(netdev);
-	int ret;
-
-	ret = h->ae_algo->ops->set_channels(h, new_tqp_num);
-	if (ret)
-		return ret;
-
-	ret = hns3_get_ring_config(priv);
-	if (ret)
-		return ret;
-
-	ret = hns3_nic_alloc_vector_data(priv);
-	if (ret)
-		goto err_alloc_vector;
-
-	hns3_restore_coal(priv);
-
-	ret = hns3_nic_init_vector_data(priv);
-	if (ret)
-		goto err_uninit_vector;
-
-	ret = hns3_init_all_ring(priv);
-	if (ret)
-		goto err_put_ring;
-
-	return 0;
-
-err_put_ring:
-	hns3_put_ring_config(priv);
-err_uninit_vector:
-	hns3_nic_uninit_vector_data(priv);
-err_alloc_vector:
-	hns3_nic_dealloc_vector_data(priv);
-	return ret;
-}
-
-static int hns3_adjust_tqps_num(u8 num_tc, u32 new_tqp_num)
-{
-	return (new_tqp_num / num_tc) * num_tc;
-}
-
 int hns3_set_channels(struct net_device *netdev,
 		      struct ethtool_channels *ch)
 {
-	struct hns3_nic_priv *priv = netdev_priv(netdev);
 	struct hnae3_handle *h = hns3_get_handle(netdev);
 	struct hnae3_knic_private_info *kinfo = &h->kinfo;
-	bool if_running = netif_running(netdev);
 	u32 new_tqp_num = ch->combined_count;
 	u16 org_tqp_num;
 	int ret;
@@ -4190,39 +4152,28 @@ int hns3_set_channels(struct net_device *netdev,
 		return -EINVAL;
 
 	if (new_tqp_num > hns3_get_max_available_channels(h) ||
-	    new_tqp_num < kinfo->num_tc) {
+	    new_tqp_num < 1) {
 		dev_err(&netdev->dev,
-			"Change tqps fail, the tqp range is from %d to %d",
-			kinfo->num_tc,
+			"Change tqps fail, the tqp range is from 1 to %d",
 			hns3_get_max_available_channels(h));
 		return -EINVAL;
 	}
 
-	new_tqp_num = hns3_adjust_tqps_num(kinfo->num_tc, new_tqp_num);
-	if (kinfo->num_tqps == new_tqp_num)
+	if (kinfo->rss_size == new_tqp_num)
 		return 0;
 
-	if (if_running)
-		hns3_nic_net_stop(netdev);
-
-	ret = hns3_nic_uninit_vector_data(priv);
-	if (ret) {
-		dev_err(&netdev->dev,
-			"Unbind vector with tqp fail, nothing is changed");
-		goto open_netdev;
-	}
-
-	hns3_store_coal(priv);
-
-	hns3_nic_dealloc_vector_data(priv);
+	ret = hns3_reset_notify(h, HNAE3_DOWN_CLIENT);
+	if (ret)
+		return ret;
 
-	hns3_uninit_all_ring(priv);
-	hns3_put_ring_config(priv);
+	ret = hns3_reset_notify(h, HNAE3_UNINIT_CLIENT);
+	if (ret)
+		return ret;
 
 	org_tqp_num = h->kinfo.num_tqps;
-	ret = hns3_modify_tqp_num(netdev, new_tqp_num);
+	ret = h->ae_algo->ops->set_channels(h, new_tqp_num);
 	if (ret) {
-		ret = hns3_modify_tqp_num(netdev, org_tqp_num);
+		ret = h->ae_algo->ops->set_channels(h, org_tqp_num);
 		if (ret) {
 			/* If revert to old tqp failed, fatal error occurred */
 			dev_err(&netdev->dev,
@@ -4232,12 +4183,11 @@ int hns3_set_channels(struct net_device *netdev,
 		dev_info(&netdev->dev,
 			 "Change tqp num fail, Revert to old tqp num");
 	}
-
-open_netdev:
-	if (if_running)
-		hns3_nic_net_open(netdev);
-
+	ret = hns3_reset_notify(h, HNAE3_INIT_CLIENT);
+	if (ret)
 		return ret;
+
+	return hns3_reset_notify(h, HNAE3_UP_CLIENT);
 }
 
 static const struct hnae3_client_ops client_ops = {

drivers/net/ethernet/hisilicon/hns3/hns3_enet.h

@@ -412,7 +412,6 @@ struct hns3_enet_ring {
 	unsigned char *va; /* first buffer address for current packet */
 
 	u32 flag;          /* ring attribute */
-	int irq_init_flag;
 
 	int numa_node;
 	cpumask_t affinity_mask;

drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_dcb.c

@@ -222,6 +222,16 @@ static int hclge_ieee_setets(struct hnae3_handle *h, struct ieee_ets *ets)
 	if (ret)
 		return ret;
 
+	if (map_changed) {
+		ret = hclge_notify_client(hdev, HNAE3_DOWN_CLIENT);
+		if (ret)
+			return ret;
+
+		ret = hclge_notify_client(hdev, HNAE3_UNINIT_CLIENT);
+		if (ret)
+			return ret;
+	}
+
 	hclge_tm_schd_info_update(hdev, num_tc);
 
 	ret = hclge_ieee_ets_to_tm_info(hdev, ets);
@@ -232,6 +242,13 @@ static int hclge_ieee_setets(struct hnae3_handle *h, struct ieee_ets *ets)
 		ret = hclge_client_setup_tc(hdev);
 		if (ret)
 			return ret;
+		ret = hclge_notify_client(hdev, HNAE3_INIT_CLIENT);
+		if (ret)
+			return ret;
+
+		ret = hclge_notify_client(hdev, HNAE3_UP_CLIENT);
+		if (ret)
+			return ret;
 	}
 
 	return hclge_tm_dwrr_cfg(hdev);

drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c

@@ -1068,14 +1068,14 @@ static int hclge_map_tqps_to_func(struct hclge_dev *hdev, u16 func_id,
 	return ret;
 }
 
-static int  hclge_assign_tqp(struct hclge_vport *vport)
+static int  hclge_assign_tqp(struct hclge_vport *vport, u16 num_tqps)
 {
 	struct hnae3_knic_private_info *kinfo = &vport->nic.kinfo;
 	struct hclge_dev *hdev = vport->back;
 	int i, alloced;
 
 	for (i = 0, alloced = 0; i < hdev->num_tqps &&
-	     alloced < kinfo->num_tqps; i++) {
+	     alloced < num_tqps; i++) {
 		if (!hdev->htqp[i].alloced) {
 			hdev->htqp[i].q.handle = &vport->nic;
 			hdev->htqp[i].q.tqp_index = alloced;
@@ -1085,7 +1085,9 @@ static int  hclge_assign_tqp(struct hclge_vport *vport)
 			alloced++;
 		}
 	}
-	vport->alloc_tqps = kinfo->num_tqps;
+	vport->alloc_tqps = alloced;
+	kinfo->rss_size = min_t(u16, hdev->rss_size_max,
+				vport->alloc_tqps / hdev->tm_info.num_tc);
 
 	return 0;
 }
@@ -1096,36 +1098,17 @@ static int hclge_knic_setup(struct hclge_vport *vport,
 	struct hnae3_handle *nic = &vport->nic;
 	struct hnae3_knic_private_info *kinfo = &nic->kinfo;
 	struct hclge_dev *hdev = vport->back;
-	int i, ret;
+	int ret;
 
 	kinfo->num_desc = num_desc;
 	kinfo->rx_buf_len = hdev->rx_buf_len;
-	kinfo->num_tc = min_t(u16, num_tqps, hdev->tm_info.num_tc);
-	kinfo->rss_size
-		= min_t(u16, hdev->rss_size_max, num_tqps / kinfo->num_tc);
-	kinfo->num_tqps = kinfo->rss_size * kinfo->num_tc;
 
-	for (i = 0; i < HNAE3_MAX_TC; i++) {
-		if (hdev->hw_tc_map & BIT(i)) {
-			kinfo->tc_info[i].enable = true;
-			kinfo->tc_info[i].tqp_offset = i * kinfo->rss_size;
-			kinfo->tc_info[i].tqp_count = kinfo->rss_size;
-			kinfo->tc_info[i].tc = i;
-		} else {
-			/* Set to default queue if TC is disable */
-			kinfo->tc_info[i].enable = false;
-			kinfo->tc_info[i].tqp_offset = 0;
-			kinfo->tc_info[i].tqp_count = 1;
-			kinfo->tc_info[i].tc = 0;
-		}
-	}
-
-	kinfo->tqp = devm_kcalloc(&hdev->pdev->dev, kinfo->num_tqps,
+	kinfo->tqp = devm_kcalloc(&hdev->pdev->dev, num_tqps,
 				  sizeof(struct hnae3_queue *), GFP_KERNEL);
 	if (!kinfo->tqp)
 		return -ENOMEM;
 
-	ret = hclge_assign_tqp(vport);
+	ret = hclge_assign_tqp(vport, num_tqps);
 	if (ret)
 		dev_err(&hdev->pdev->dev, "fail to assign TQPs %d.\n", ret);
 
@@ -1140,7 +1123,7 @@ static int hclge_map_tqp_to_vport(struct hclge_dev *hdev,
 	u16 i;
 
 	kinfo = &nic->kinfo;
-	for (i = 0; i < kinfo->num_tqps; i++) {
+	for (i = 0; i < vport->alloc_tqps; i++) {
 		struct hclge_tqp *q =
 			container_of(kinfo->tqp[i], struct hclge_tqp, q);
 		bool is_pf;
@@ -2418,7 +2401,7 @@ static void hclge_misc_irq_uninit(struct hclge_dev *hdev)
 	hclge_free_vector(hdev, 0);
 }
 
-static int hclge_notify_client(struct hclge_dev *hdev,
+int hclge_notify_client(struct hclge_dev *hdev,
 			enum hnae3_reset_notify_type type)
 {
 	struct hnae3_client *client = hdev->nic_client;
@@ -2883,6 +2866,10 @@ static void hclge_reset(struct hclge_dev *hdev)
 	if (ret)
 		goto err_reset_lock;
 
+	ret = hclge_notify_client(hdev, HNAE3_RESTORE_CLIENT);
+	if (ret)
+		goto err_reset_lock;
+
 	hclge_clear_reset_cause(hdev);
 
 	ret = hclge_reset_prepare_up(hdev);
@@ -5258,6 +5245,7 @@ static int hclge_set_loopback(struct hnae3_handle *handle,
 			      enum hnae3_loop loop_mode, bool en)
 {
 	struct hclge_vport *vport = hclge_get_vport(handle);
+	struct hnae3_knic_private_info *kinfo;
 	struct hclge_dev *hdev = vport->back;
 	int i, ret;
 
@@ -5276,7 +5264,8 @@ static int hclge_set_loopback(struct hnae3_handle *handle,
 		break;
 	}
 
-	for (i = 0; i < vport->alloc_tqps; i++) {
+	kinfo = &vport->nic.kinfo;
+	for (i = 0; i < kinfo->num_tqps; i++) {
 		ret = hclge_tqp_enable(hdev, i, 0, en);
 		if (ret)
 			return ret;
@@ -5288,11 +5277,13 @@ static int hclge_set_loopback(struct hnae3_handle *handle,
 static void hclge_reset_tqp_stats(struct hnae3_handle *handle)
 {
 	struct hclge_vport *vport = hclge_get_vport(handle);
+	struct hnae3_knic_private_info *kinfo;
 	struct hnae3_queue *queue;
 	struct hclge_tqp *tqp;
 	int i;
 
-	for (i = 0; i < vport->alloc_tqps; i++) {
+	kinfo = &vport->nic.kinfo;
+	for (i = 0; i < kinfo->num_tqps; i++) {
 		queue = handle->kinfo.tqp[i];
 		tqp = container_of(queue, struct hclge_tqp, q);
 		memset(&tqp->tqp_stats, 0, sizeof(tqp->tqp_stats));
@@ -7523,18 +7514,17 @@ static u32 hclge_get_max_channels(struct hnae3_handle *handle)
 	struct hclge_vport *vport = hclge_get_vport(handle);
 	struct hclge_dev *hdev = vport->back;
 
-	return min_t(u32, hdev->rss_size_max * kinfo->num_tc, hdev->num_tqps);
+	return min_t(u32, hdev->rss_size_max,
+		     vport->alloc_tqps / kinfo->num_tc);
 }
 
 static void hclge_get_channels(struct hnae3_handle *handle,
 			       struct ethtool_channels *ch)
 {
-	struct hclge_vport *vport = hclge_get_vport(handle);
-
 	ch->max_combined = hclge_get_max_channels(handle);
 	ch->other_count = 1;
 	ch->max_other = 1;
-	ch->combined_count = vport->alloc_tqps;
+	ch->combined_count = handle->kinfo.rss_size;
 }
 
 static void hclge_get_tqps_and_rss_info(struct hnae3_handle *handle,
@@ -7547,25 +7537,6 @@ static void hclge_get_tqps_and_rss_info(struct hnae3_handle *handle,
 	*max_rss_size = hdev->rss_size_max;
 }
 
-static void hclge_release_tqp(struct hclge_vport *vport)
-{
-	struct hnae3_knic_private_info *kinfo = &vport->nic.kinfo;
-	struct hclge_dev *hdev = vport->back;
-	int i;
-
-	for (i = 0; i < kinfo->num_tqps; i++) {
-		struct hclge_tqp *tqp =
-			container_of(kinfo->tqp[i], struct hclge_tqp, q);
-
-		tqp->q.handle = NULL;
-		tqp->q.tqp_index = 0;
-		tqp->alloced = false;
-	}
-
-	devm_kfree(&hdev->pdev->dev, kinfo->tqp);
-	kinfo->tqp = NULL;
-}
-
 static int hclge_set_channels(struct hnae3_handle *handle, u32 new_tqps_num)
 {
 	struct hclge_vport *vport = hclge_get_vport(handle);
@@ -7580,24 +7551,11 @@ static int hclge_set_channels(struct hnae3_handle *handle, u32 new_tqps_num)
 	u32 *rss_indir;
 	int ret, i;
 
-	/* Free old tqps, and reallocate with new tqp number when nic setup */
-	hclge_release_tqp(vport);
+	kinfo->req_rss_size = new_tqps_num;
 
-	ret = hclge_knic_setup(vport, new_tqps_num, kinfo->num_desc);
-	if (ret) {
-		dev_err(&hdev->pdev->dev, "setup nic fail, ret =%d\n", ret);
-		return ret;
-	}
-
-	ret = hclge_map_tqp_to_vport(hdev, vport);
-	if (ret) {
-		dev_err(&hdev->pdev->dev, "map vport tqp fail, ret =%d\n", ret);
-		return ret;
-	}
-
-	ret = hclge_tm_schd_init(hdev);
+	ret = hclge_tm_vport_map_update(hdev);
 	if (ret) {
-		dev_err(&hdev->pdev->dev, "tm schd init fail, ret =%d\n", ret);
+		dev_err(&hdev->pdev->dev, "tm vport map fail, ret =%d\n", ret);
 		return ret;
 	}
 

drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h

@@ -878,4 +878,6 @@ void hclge_vport_stop(struct hclge_vport *vport);
 int hclge_set_vport_mtu(struct hclge_vport *vport, int new_mtu);
 int hclge_dbg_run_cmd(struct hnae3_handle *handle, char *cmd_buf);
 u16 hclge_covert_handle_qid_global(struct hnae3_handle *handle, u16 queue_id);
+int hclge_notify_client(struct hclge_dev *hdev,
+			enum hnae3_reset_notify_type type);
 #endif

drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c

@@ -517,19 +517,32 @@ static void hclge_tm_vport_tc_info_update(struct hclge_vport *vport)
 {
 	struct hnae3_knic_private_info *kinfo = &vport->nic.kinfo;
 	struct hclge_dev *hdev = vport->back;
+	u16 max_rss_size;
 	u8 i;
 
 	vport->bw_limit = hdev->tm_info.pg_info[0].bw_limit;
-	kinfo->num_tc =
-		min_t(u16, kinfo->num_tqps, hdev->tm_info.num_tc);
-	kinfo->rss_size
-		= min_t(u16, hdev->rss_size_max,
-			kinfo->num_tqps / kinfo->num_tc);
+	kinfo->num_tc = min_t(u16, vport->alloc_tqps, hdev->tm_info.num_tc);
+	max_rss_size = min_t(u16, hdev->rss_size_max,
+			     vport->alloc_tqps / kinfo->num_tc);
+
+	if (kinfo->req_rss_size != kinfo->rss_size && kinfo->req_rss_size &&
+	    kinfo->req_rss_size <= max_rss_size) {
+		dev_info(&hdev->pdev->dev, "rss changes from %d to %d\n",
+			 kinfo->rss_size, kinfo->req_rss_size);
+		kinfo->rss_size = kinfo->req_rss_size;
+	} else if (kinfo->rss_size > max_rss_size ||
+		   (!kinfo->req_rss_size && kinfo->rss_size < max_rss_size)) {
+		dev_info(&hdev->pdev->dev, "rss changes from %d to %d\n",
+			 kinfo->rss_size, max_rss_size);
+		kinfo->rss_size = max_rss_size;
+	}
+
+	kinfo->num_tqps = kinfo->num_tc * kinfo->rss_size;
 	vport->qs_offset = hdev->tm_info.num_tc * vport->vport_id;
 	vport->dwrr = 100;  /* 100 percent as init */
 	vport->alloc_rss_size = kinfo->rss_size;
 
-	for (i = 0; i < kinfo->num_tc; i++) {
+	for (i = 0; i < HNAE3_MAX_TC; i++) {
 		if (hdev->hw_tc_map & BIT(i)) {
 			kinfo->tc_info[i].enable = true;
 			kinfo->tc_info[i].tqp_offset = i * kinfo->rss_size;
@@ -1228,10 +1241,23 @@ static int hclge_mac_pause_setup_hw(struct hclge_dev *hdev)
 	return hclge_mac_pause_en_cfg(hdev, tx_en, rx_en);
 }
 
+static int hclge_tm_bp_setup(struct hclge_dev *hdev)
+{
+	int ret = 0;
+	int i;
+
+	for (i = 0; i < hdev->tm_info.num_tc; i++) {
+		ret = hclge_bp_setup_hw(hdev, i);
+		if (ret)
+			return ret;
+	}
+
+	return ret;
+}
+
 int hclge_pause_setup_hw(struct hclge_dev *hdev)
 {
 	int ret;
-	u8 i;
 
 	ret = hclge_pause_param_setup_hw(hdev);
 	if (ret)
@@ -1250,13 +1276,7 @@ int hclge_pause_setup_hw(struct hclge_dev *hdev)
 	if (ret)
 		dev_warn(&hdev->pdev->dev, "set pfc pause failed:%d\n", ret);
 
-	for (i = 0; i < hdev->tm_info.num_tc; i++) {
-		ret = hclge_bp_setup_hw(hdev, i);
-		if (ret)
-			return ret;
-	}
-
-	return 0;
+	return hclge_tm_bp_setup(hdev);
 }
 
 void hclge_tm_prio_tc_info_update(struct hclge_dev *hdev, u8 *prio_tc)
@@ -1327,3 +1347,20 @@ int hclge_tm_schd_init(struct hclge_dev *hdev)
 
 	return hclge_tm_init_hw(hdev);
 }
+
+int hclge_tm_vport_map_update(struct hclge_dev *hdev)
+{
+	struct hclge_vport *vport = hdev->vport;
+	int ret;
+
+	hclge_tm_vport_tc_info_update(vport);
+
+	ret = hclge_vport_q_to_qs_map(hdev, vport);
+	if (ret)
+		return ret;
+
+	if (!(hdev->flag & HCLGE_FLAG_DCB_ENABLE))
+		return 0;
+
+	return hclge_tm_bp_setup(hdev);
+}

drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.h

@@ -142,6 +142,7 @@ struct hclge_port_shapping_cmd {
 				       (HCLGE_TM_SHAP_##string##_LSH))
 
 int hclge_tm_schd_init(struct hclge_dev *hdev);
+int hclge_tm_vport_map_update(struct hclge_dev *hdev);
 int hclge_pause_setup_hw(struct hclge_dev *hdev);
 int hclge_tm_schd_mode_hw(struct hclge_dev *hdev);
 void hclge_tm_prio_tc_info_update(struct hclge_dev *hdev, u8 *prio_tc);

drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c

@@ -1264,7 +1264,7 @@ static int hclgevf_reset_stack(struct hclgevf_dev *hdev)
 	if (ret)
 		return ret;
 
-	return 0;
+	return hclgevf_notify_client(hdev, HNAE3_RESTORE_CLIENT);
 }
 
 static int hclgevf_reset_prepare_wait(struct hclgevf_dev *hdev)