From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 494783B5B33; Mon, 5 May 2025 23:21:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746487278; cv=none; b=ZexGUBWTx1l9hcbYnYQ3aQZmSYHRsKjV5hbg/e+hDJho3NjVwHU0DqedfNNoBUVOkDxUvinuXCrGMH8c2ErVMvf2iXoeXvSwBVrdhSRUNemGuIWCL9lHlzWRYhLV47rjiSoNQMnijMQKV3BTKUQC0Vcue3MunQvTHogDeBBpCQc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746487278; c=relaxed/simple; bh=S/Cte9p8InZJ+f6lS7sOvVDP07xinm5aSDVWCNHDwsk=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=GTGqBiURQYBcgEG6pCR7kLHUzOsPxX/2lerI2N/mw2kauBSZxDa7nDiLyvNsjX3vXG8tbUubXvK2oY7svXUs2YlH1DfR5uSyPMc5g5hLjcncCS6EnyZqEymyy667LRkSYREmNmGrIel3cZNVMS3N6/aMsS/9hBrWAVmMwOItux8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=AmcgVSAa; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="AmcgVSAa" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5FB8CC4CEE4; Mon, 5 May 2025 23:21:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1746487277; bh=S/Cte9p8InZJ+f6lS7sOvVDP07xinm5aSDVWCNHDwsk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=AmcgVSAaAcwud/rsF0ZNAmpBSWRlrPokt60aJhdOKf2TWQ55gq5Ldj8eZsXU0EEAW AGcFhm/09+nIABkk05xMkD9li9Wa0GYASEiKLDEH7YdjhmOH/XVm8o3rwXZpR0IgzT 5+gmqq91COR83pl1DTdpzsVJkBNEMNBQ7UW/2Pg0RhE4+ul3OfHyUzWbWEMPRmj1FM aIHLJVBfiVzEqs7j+4Z3y6ctkRZn4L/mafTcC7tzXTKlk4sR3fQm9SArGFRB1osyW8 EUFrq5W7od5xZwRdGALTB/Xel1/CUFfDPPwvK3z+K54r1AMR1As+HeqzCiDSleilYZ TYyJ6aMps/9yg== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: William Tu , Daniel Jurgens , Tariq Toukan , Michal Swiatkowski , Jakub Kicinski , Sasha Levin , saeedm@nvidia.com, andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@google.com, pabeni@redhat.com, netdev@vger.kernel.org, linux-rdma@vger.kernel.org Subject: [PATCH AUTOSEL 5.10 094/114] net/mlx5e: set the tx_queue_len for pfifo_fast Date: Mon, 5 May 2025 19:17:57 -0400 Message-Id: <20250505231817.2697367-94-sashal@kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250505231817.2697367-1-sashal@kernel.org> References: <20250505231817.2697367-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 5.10.237 Content-Transfer-Encoding: 8bit From: William Tu [ Upstream commit a38cc5706fb9f7dc4ee3a443f61de13ce1e410ed ] By default, the mq netdev creates a pfifo_fast qdisc. On a system with 16 core, the pfifo_fast with 3 bands consumes 16 * 3 * 8 (size of pointer) * 1024 (default tx queue len) = 393KB. The patch sets the tx qlen to representor default value, 128 (1< Reviewed-by: Daniel Jurgens Signed-off-by: Tariq Toukan Reviewed-by: Michal Swiatkowski Link: https://patch.msgid.link/20250209101716.112774-9-tariqt@nvidia.com Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- drivers/net/ethernet/mellanox/mlx5/core/en_rep.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c index 6512bb231e7e0..8eb7288f820a4 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c @@ -740,6 +740,8 @@ static void mlx5e_build_rep_netdev(struct net_device *netdev) } netdev->watchdog_timeo = 15 * HZ; + if (mlx5_core_is_ecpf(mdev)) + netdev->tx_queue_len = 1 << MLX5E_REP_PARAMS_DEF_LOG_SQ_SIZE; netdev->features |= NETIF_F_NETNS_LOCAL; -- 2.39.5