[PATCH] net/mlx5: prevent ioctl failure log from flood

[Bing Zhao]

From: Eli Britstein <elibr at nvidia.com>

The following log is printed in WARNING severity:

mlx5_net: port 1 ioctl(SIOCETHTOOL, ETHTOOL_GPAUSEPARAM) failed:
    Operation not supported

Reduce the severity to DEBUG to prevent this log from flooding
when there are hundreds of ports probed without supporting this
flow ctrl query.

Fixes: 1256805dd54d ("net/mlx5: move Linux-specific functions")
Cc: ophirmu at nvidia.com
Cc: stable at dpdk.org

Signed-off-by: Eli Britstein <elibr at nvidia.com>
---
 drivers/net/mlx5/linux/mlx5_ethdev_os.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/mlx5/linux/mlx5_ethdev_os.c b/drivers/net/mlx5/linux/mlx5_ethdev_os.c
index eb47c284ec..b713354b09 100644
--- a/drivers/net/mlx5/linux/mlx5_ethdev_os.c
+++ b/drivers/net/mlx5/linux/mlx5_ethdev_os.c
@@ -671,7 +671,7 @@ mlx5_dev_get_flow_ctrl(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
 	ifr.ifr_data = (void *)ðpause;
 	ret = mlx5_ifreq(dev, SIOCETHTOOL, &ifr);
 	if (ret) {
-		DRV_LOG(WARNING,
+		DRV_LOG(DEBUG,
 			"port %u ioctl(SIOCETHTOOL, ETHTOOL_GPAUSEPARAM) failed:"
 			" %s",
 			dev->data->port_id, strerror(rte_errno));
-- 
2.34.1