[dpdk-dev] [PATCH 1/6] net/hns3: fix check of Rx/Tx queue numbers

["Min Hu (Connor)" <humin29@huawei.com>]

From: Huisong Li <lihuisong@huawei.com>

The Rx/Tx queue numbers should be greater than TC number, this patch adds
this check for PF before updating the mapping between TC and queue.

Fixes: a951c1ed3ab5 ("net/hns3: support different numbers of Rx and Tx queues")
Fixes: 76d794566d43 ("net/hns3: maximize queue number")
Cc: stable@dpdk.org

Signed-off-by: Huisong Li <lihuisong@huawei.com>
Signed-off-by: Min Hu (Connor) <humin29@huawei.com>
---
 drivers/net/hns3/hns3_dcb.c       | 12 ++++++++++++
 drivers/net/hns3/hns3_ethdev_vf.c | 12 ------------
 2 files changed, 12 insertions(+), 12 deletions(-)

diff --git a/drivers/net/hns3/hns3_dcb.c b/drivers/net/hns3/hns3_dcb.c
index 30e59e8..ab307f1 100644
--- a/drivers/net/hns3/hns3_dcb.c
+++ b/drivers/net/hns3/hns3_dcb.c
@@ -727,6 +727,18 @@ hns3_queue_to_tc_mapping(struct hns3_hw *hw, uint16_t nb_rx_q, uint16_t nb_tx_q)
 {
 	int ret;
 
+	if (nb_rx_q < hw->num_tc) {
+		hns3_err(hw, "number of Rx queues(%u) is less than number of TC(%u).",
+			 nb_rx_q, hw->num_tc);
+		return -EINVAL;
+	}
+
+	if (nb_tx_q < hw->num_tc) {
+		hns3_err(hw, "number of Tx queues(%u) is less than number of TC(%u).",
+			 nb_tx_q, hw->num_tc);
+		return -EINVAL;
+	}
+
 	ret = hns3_set_rss_size(hw, nb_rx_q);
 	if (ret)
 		return ret;
diff --git a/drivers/net/hns3/hns3_ethdev_vf.c b/drivers/net/hns3/hns3_ethdev_vf.c
index 536ed46..c649616 100644
--- a/drivers/net/hns3/hns3_ethdev_vf.c
+++ b/drivers/net/hns3/hns3_ethdev_vf.c
@@ -1498,18 +1498,6 @@ hns3vf_set_tc_queue_mapping(struct hns3_adapter *hns, uint16_t nb_rx_q,
 {
 	struct hns3_hw *hw = &hns->hw;
 
-	if (nb_rx_q < hw->num_tc) {
-		hns3_err(hw, "number of Rx queues(%u) is less than tcs(%u).",
-			 nb_rx_q, hw->num_tc);
-		return -EINVAL;
-	}
-
-	if (nb_tx_q < hw->num_tc) {
-		hns3_err(hw, "number of Tx queues(%u) is less than tcs(%u).",
-			 nb_tx_q, hw->num_tc);
-		return -EINVAL;
-	}
-
 	return hns3_queue_to_tc_mapping(hw, nb_rx_q, nb_tx_q);
 }
 
-- 
2.7.4