From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E7C75C77B78 for ; Tue, 18 Apr 2023 12:38:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231363AbjDRMi2 (ORCPT ); Tue, 18 Apr 2023 08:38:28 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54256 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231825AbjDRMiX (ORCPT ); Tue, 18 Apr 2023 08:38:23 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4857C13F90 for ; Tue, 18 Apr 2023 05:38:17 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id CCFD4632A6 for ; Tue, 18 Apr 2023 12:38:16 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id DF7ECC433A1; Tue, 18 Apr 2023 12:38:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1681821496; bh=qDezilUMX6BqWDTwq6SUXe1vw8swDi/2+ZRZPudVva4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=pnh2B27szw14s/8qxZu7LxMy3ZQipYUPPlD0OarvXANlrg8xG7y9w4+lEkhXwONaO ans6/xE9w7hYSrooFmSMCrTzZ3yUYJjqBg+r3CC9ZIPnTGxdCgzzjFvcrn+kBbLPt4 rTZM6nuurpE6A9avAZymm7v5/GWg+i8JorTIU0dQ= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Maher Sanalla , Aya Levin , Saeed Mahameed , Leon Romanovsky , Sasha Levin Subject: [PATCH 5.15 23/91] IB/mlx5: Add support for 400G_8X lane speed Date: Tue, 18 Apr 2023 14:21:27 +0200 Message-Id: <20230418120306.387376062@linuxfoundation.org> X-Mailer: git-send-email 2.40.0 In-Reply-To: <20230418120305.520719816@linuxfoundation.org> References: <20230418120305.520719816@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Maher Sanalla [ Upstream commit 88c9483faf15ada14eca82714114656893063458 ] Currently, when driver queries PTYS to report which link speed is being used on its RoCE ports, it does not check the case of having 400Gbps transmitted over 8 lanes. Thus it fails to report the said speed and instead it defaults to report 10G over 4 lanes. Add a check for the said speed when querying PTYS and report it back correctly when needed. Fixes: 08e8676f1607 ("IB/mlx5: Add support for 50Gbps per lane link modes") Signed-off-by: Maher Sanalla Reviewed-by: Aya Levin Reviewed-by: Saeed Mahameed Link: https://lore.kernel.org/r/ec9040548d119d22557d6a4b4070d6f421701fd4.1678973994.git.leon@kernel.org Signed-off-by: Leon Romanovsky Signed-off-by: Sasha Levin --- drivers/infiniband/hw/mlx5/main.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index 827ee3040bea2..2361caa385471 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -443,6 +443,10 @@ static int translate_eth_ext_proto_oper(u32 eth_proto_oper, u16 *active_speed, *active_width = IB_WIDTH_2X; *active_speed = IB_SPEED_NDR; break; + case MLX5E_PROT_MASK(MLX5E_400GAUI_8): + *active_width = IB_WIDTH_8X; + *active_speed = IB_SPEED_HDR; + break; case MLX5E_PROT_MASK(MLX5E_400GAUI_4_400GBASE_CR4_KR4): *active_width = IB_WIDTH_4X; *active_speed = IB_SPEED_NDR; -- 2.39.2