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From: Saeed Mahameed <saeed@kernel•org>
To: "David S. Miller" <davem@davemloft•net>,
	Jakub Kicinski <kuba@kernel•org>
Cc: netdev@vger•kernel.org, Tariq Toukan <tariqt@nvidia•com>,
	Maxim Mikityanskiy <maximmi@nvidia•com>,
	Saeed Mahameed <saeedm@nvidia•com>
Subject: [net 2/6] net/mlx5e: Allow only complete TXQs partition in MQPRIO channel mode
Date: Tue, 12 Oct 2021 13:53:19 -0700	[thread overview]
Message-ID: <20211012205323.20123-3-saeed@kernel.org> (raw)
In-Reply-To: <20211012205323.20123-1-saeed@kernel.org>

From: Tariq Toukan <tariqt@nvidia•com>

Do not allow configurations of MQPRIO channel mode that do not
fully define and utilize the channels txqs.

Fixes: ec60c4581bd9 ("net/mlx5e: Support MQPRIO channel mode")
Signed-off-by: Tariq Toukan <tariqt@nvidia•com>
Reviewed-by: Maxim Mikityanskiy <maximmi@nvidia•com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia•com>
---
 drivers/net/ethernet/mellanox/mlx5/core/en_main.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index 0c5197f9cea3..336aa07313da 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -2981,8 +2981,8 @@ static int mlx5e_mqprio_channel_validate(struct mlx5e_priv *priv,
 		agg_count += mqprio->qopt.count[i];
 	}
 
-	if (priv->channels.params.num_channels < agg_count) {
-		netdev_err(netdev, "Num of queues (%d) exceeds available (%d)\n",
+	if (priv->channels.params.num_channels != agg_count) {
+		netdev_err(netdev, "Num of queues (%d) does not match available (%d)\n",
 			   agg_count, priv->channels.params.num_channels);
 		return -EINVAL;
 	}
-- 
2.31.1


  parent reply	other threads:[~2021-10-12 20:53 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-10-12 20:53 [pull request][net 0/6] mlx5 fixes 2021-10-12 Saeed Mahameed
2021-10-12 20:53 ` [net 1/6] net/mlx5: Fix cleanup of bridge delayed work Saeed Mahameed
2021-10-13 20:50   ` patchwork-bot+netdevbpf
2021-10-12 20:53 ` Saeed Mahameed [this message]
2021-10-12 20:53 ` [net 3/6] net/mlx5e: Fix memory leak in mlx5_core_destroy_cq() error path Saeed Mahameed
2021-10-12 20:53 ` [net 4/6] net/mlx5e: Switchdev representors are not vlan challenged Saeed Mahameed
2021-10-12 20:53 ` [net 5/6] net/mlx5e: Mutually exclude RX-FCS and RX-port-timestamp Saeed Mahameed
2021-10-12 20:53 ` [net 6/6] net/mlx5e: Fix division by 0 in mlx5e_select_queue for representors Saeed Mahameed

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