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 5F172C6FD18 for ; Tue, 18 Apr 2023 12:50:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232167AbjDRMus (ORCPT ); Tue, 18 Apr 2023 08:50:48 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42800 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232157AbjDRMul (ORCPT ); Tue, 18 Apr 2023 08:50:41 -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 571E816B00 for ; Tue, 18 Apr 2023 05:50:39 -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 B58F363425 for ; Tue, 18 Apr 2023 12:50:38 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id C94E6C4339B; Tue, 18 Apr 2023 12:50:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1681822238; bh=k/HB4zxvp8gyenny9Zjs2yixtVMg9eZfyBxRQrGyrk8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=vdT5rgZ0dXBmIJ+CTpnpxjrySeIX16IfBiummWMKGFhFof/sjzAm6W/vGhaLcuHyZ qI1VB6/ei3aJADBMVq/A8+i+LH6slBBi/NqYiyNUC5gKFswZE7NyzLSnssP8LxVxLM +Ou9esMY7hs7w8hemFsfTyAJdfTB3kqfMzZEcEDs= 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 6.2 035/139] IB/mlx5: Add support for 400G_8X lane speed Date: Tue, 18 Apr 2023 14:21:40 +0200 Message-Id: <20230418120314.974703458@linuxfoundation.org> X-Mailer: git-send-email 2.40.0 In-Reply-To: <20230418120313.725598495@linuxfoundation.org> References: <20230418120313.725598495@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 c669ef6e47e73..eaa35e1df2a85 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -442,6 +442,10 @@ 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