diff --git a/drivers/net/ethernet/hisilicon/hns3/hnae3.h b/drivers/net/ethernet/hisilicon/hns3/hnae3.h
index 36eab37d8a403c468a1b04ff27931891d243113e..81d15854478d56d8d3f4f42954c63b5076f0211f 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hnae3.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hnae3.h
@@ -500,6 +500,7 @@ 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;
 
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
index 17b1e33b0d4ab46adc2d343db700ec626363e234..55a456f1dd38853b482804a9bd3675422dbc738d 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
+++ b/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;
 }
@@ -1100,17 +1102,13 @@ static int hclge_knic_setup(struct hclge_vport *vport,
 
 	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;
 
-	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);
 
@@ -7532,25 +7530,6 @@ 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);
@@ -7565,24 +7544,11 @@ 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);
-
-	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;
-	}
+	kinfo->req_rss_size = new_tqps_num;
 
-	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;
 	}
 
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c
index 8c5795013a60952d82871ee7e6a6a55a207082cc..fb8596a3e5e430496d45e06622a606e1a7a99612 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c
@@ -517,14 +517,27 @@ 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;
@@ -1334,3 +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);
+}
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.h
index b6496a439304af7f8b4379def3fcc496a1469bc4..898163c4d4004b521bc482aefcca26c3c707055a 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.h
+++ b/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);