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 X-Spam-Level: X-Spam-Status: No, score=-13.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CFAA2C433DF for ; Sun, 2 Aug 2020 08:17:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 97BD9207FB for ; Sun, 2 Aug 2020 08:17:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1596356238; bh=JkUjVBNg1mLjiabyLv/Hg8W+Oip3xJomOyaMAQ6TMKQ=; h=From:To:Cc:Subject:Date:List-ID:From; b=X/qnkMFe+MHdG7SIGuHNFPn0jkHn7T7cFthyKCV9PaavioZWpzZVHRvjoyOEbz4qO mD5RS3bYJ3dt23xmPDPSaE2ZGwFtM41xQayTkSbYW2Mj9D3PRMh7Qf4aJJ5rae3Ix2 DTqR2wLORdACI17UJjmpvjnjepNn7i+kG0H3fN5M= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725882AbgHBIRS (ORCPT ); Sun, 2 Aug 2020 04:17:18 -0400 Received: from mail.kernel.org ([198.145.29.99]:47570 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725819AbgHBIRR (ORCPT ); Sun, 2 Aug 2020 04:17:17 -0400 Received: from localhost (unknown [213.57.247.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id BD2542075A; Sun, 2 Aug 2020 08:17:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1596356237; bh=JkUjVBNg1mLjiabyLv/Hg8W+Oip3xJomOyaMAQ6TMKQ=; h=From:To:Cc:Subject:Date:From; b=x2yUPq/zbsN/xC8e97a5ktKnAfEhoN/+TCG+hTNn39sTZu10N9rLmT5B+IsTebFEM UMJ4FN2HIBLqFlp1WDsJEstfSV0jz8y97lSwd+iReXL7NzSqsZIh6Z+AzlpCbQKWz/ 2SU38zAtuwvJow7staSD1JAeIomKWRT7w0BCTbnA= From: Leon Romanovsky To: Doug Ledford , Jason Gunthorpe Cc: Mark Zhang , linux-rdma@vger.kernel.org Subject: [PATCH rdma-next] RDMA/mlx5: Add new IB rates support Date: Sun, 2 Aug 2020 11:17:12 +0300 Message-Id: <20200802081712.1993490-1-leon@kernel.org> X-Mailer: git-send-email 2.26.2 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-rdma-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org From: Mark Zhang Support 56, 25, 100, 200 and 50Gbps IB rates in mlx5 driver. Signed-off-by: Mark Zhang Signed-off-by: Leon Romanovsky --- drivers/infiniband/hw/mlx5/qp.c | 30 +++++++++++++++++++++++++++--- 1 file changed, 27 insertions(+), 3 deletions(-) diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c index a5c32be73575..e5c6f7772521 100644 --- a/drivers/infiniband/hw/mlx5/qp.c +++ b/drivers/infiniband/hw/mlx5/qp.c @@ -3085,20 +3085,44 @@ enum { MLX5_PATH_FLAG_COUNTER = 1 << 2, }; +static int ib_to_mlx5_rate_map(u8 rate) +{ + switch (rate) { + case IB_RATE_PORT_CURRENT: + return 0; + case IB_RATE_56_GBPS: + return 1; + case IB_RATE_25_GBPS: + return 2; + case IB_RATE_100_GBPS: + return 3; + case IB_RATE_200_GBPS: + return 4; + case IB_RATE_50_GBPS: + return 5; + default: + return rate + MLX5_STAT_RATE_OFFSET; + }; + + return 0; +} + static int ib_rate_to_mlx5(struct mlx5_ib_dev *dev, u8 rate) { + u32 stat_rate_support; + if (rate == IB_RATE_PORT_CURRENT) return 0; if (rate < IB_RATE_2_5_GBPS || rate > IB_RATE_600_GBPS) return -EINVAL; + stat_rate_support = MLX5_CAP_GEN(dev->mdev, stat_rate_support); while (rate != IB_RATE_PORT_CURRENT && - !(1 << (rate + MLX5_STAT_RATE_OFFSET) & - MLX5_CAP_GEN(dev->mdev, stat_rate_support))) + !(1 << ib_to_mlx5_rate_map(rate) & stat_rate_support)) --rate; - return rate ? rate + MLX5_STAT_RATE_OFFSET : rate; + return ib_to_mlx5_rate_map(rate); } static int modify_raw_packet_eth_prio(struct mlx5_core_dev *dev, -- 2.26.2