From patchwork Wed Dec 27 04:21:06 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ajit Khaparde X-Patchwork-Id: 135593 X-Patchwork-Delegate: ajit.khaparde@broadcom.com Return-Path: X-Original-To: patchwork@inbox.dpdk.org Delivered-To: patchwork@inbox.dpdk.org Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 1B3ED437A1; Wed, 27 Dec 2023 05:22:13 +0100 (CET) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id BD45640696; Wed, 27 Dec 2023 05:21:37 +0100 (CET) Received: from mail-qt1-f182.google.com (mail-qt1-f182.google.com [209.85.160.182]) by mails.dpdk.org (Postfix) with ESMTP id 37D4140608 for ; Wed, 27 Dec 2023 05:21:33 +0100 (CET) Received: by mail-qt1-f182.google.com with SMTP id d75a77b69052e-427e83601c4so3804871cf.0 for ; Tue, 26 Dec 2023 20:21:33 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; t=1703650892; x=1704255692; darn=dpdk.org; h=mime-version:references:in-reply-to:message-id:date:subject:cc:to :from:from:to:cc:subject:date:message-id:reply-to; bh=XqE8+Ljkq5xRrH7h2pHSqnIkS2/lKd7gJcV1eKXVNLE=; b=IYrbCTxH0vXanXtXhS1lrFfrC1/QljmehnUMYUyomFeZ/7iJWWzaXKAQOwKqwpjypo KMbvT+L0MQ2e+rhz7Gr1t1D70LdfKktwFkPbh2NuNnDJ5qSBrYAWFII+9my5w7Tnk5Jg VBKHACyu4oYfLvPzmJKcO2qIyt6KyXA2/4jLc= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1703650892; x=1704255692; h=mime-version:references:in-reply-to:message-id:date:subject:cc:to :from:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=XqE8+Ljkq5xRrH7h2pHSqnIkS2/lKd7gJcV1eKXVNLE=; b=h7UBwcUQ6orJ364aFMh7yimDoT8SoytfgNKx6Oqd40Gj5ccuudFPfx9Uw7TfZYKCsg t5bv6+SjH7AKFgBoUr5z2f6AqBzCPCKtnJ+5K0XFEeruaWUQCx7PICkfhTdyaufHqNEJ twM+BOFi1ZoVZmKU0SQ7DEKybmA1tYDR0rPuOOJuOslyHEo4VoMWX6cEXk96OykvULuR nrGlqVrKRmpyeht1lsIGsxlNj0CdKuCdak5XP/316ZRx2l4dwBZrWLktuUrtEE6f/D+p 1VIy9kssk5E33xQw9G/x6XPTPeJ4CJrJhhEvoDE+zwkBt1qmESS5aexczBrMq1Pl9XXp LrUg== X-Gm-Message-State: AOJu0YzWxB/2Hw33fvJ45OA/GBkP14EX/tHD/RiRugbVEvYeAQ48zkX6 xdci9jzX41JX4qepTchPBehwakTBg1ReGwNVJ8YQ2ZjVPZy3MNZe5wyTnwUP3aKE3i+gfu+oL4w qe3lXFCVc0ZJFJ/brmGVFRZcUaRcZyUZEmN076bElTPPO5G+0m16wRzuXa8LSPByJo28EPGiQZf Q= X-Google-Smtp-Source: AGHT+IGkUlPozeW/g0oU1kTUL5jJ631/pMSKhRgoqxxbwoZYnvuvJgYxWgxFjVAQzB8x+/Ehl0nTIg== X-Received: by 2002:ac8:5fd2:0:b0:427:ee30:a0a5 with SMTP id k18-20020ac85fd2000000b00427ee30a0a5mr410938qta.123.1703650892118; Tue, 26 Dec 2023 20:21:32 -0800 (PST) Received: from localhost.localdomain ([2605:a601:a780:1400:c066:75e3:74c8:50e6]) by smtp.gmail.com with ESMTPSA id bt7-20020ac86907000000b00427e120889bsm1415488qtb.91.2023.12.26.20.21.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 26 Dec 2023 20:21:31 -0800 (PST) From: Ajit Khaparde To: dev@dpdk.org Cc: Kalesh AP , stable@dpdk.org, Somnath Kotur Subject: [PATCH v3 05/18] net/bnxt: fix speed change from 200G to 25G on Thor Date: Tue, 26 Dec 2023 20:21:06 -0800 Message-Id: <20231227042119.72469-6-ajit.khaparde@broadcom.com> X-Mailer: git-send-email 2.39.2 (Apple Git-143) In-Reply-To: <20231227042119.72469-1-ajit.khaparde@broadcom.com> References: <20231227042119.72469-1-ajit.khaparde@broadcom.com> MIME-Version: 1.0 X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org From: Kalesh AP While forcing speed to 200G, driver sets the structure variable "bp->link_info->link_signal_mode" value to BNXT_SIG_MODE_PAM4. After that when the user forces the speed back to 25G, this cached value is not set back to BNXT_SIG_MODE_NRZ which results in issuing the HWRM_PORT_PHY_CFG command with wrong inputs. Fixes: c23f9ded0391 ("net/bnxt: support 200G PAM4 link") Cc: stable@dpdk.org Reviewed-by: Somnath Kotur Signed-off-by: Kalesh AP Signed-off-by: Ajit Khaparde --- drivers/net/bnxt/bnxt_hwrm.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/bnxt/bnxt_hwrm.c b/drivers/net/bnxt/bnxt_hwrm.c index c31a5d4226..a1f3a8251f 100644 --- a/drivers/net/bnxt/bnxt_hwrm.c +++ b/drivers/net/bnxt/bnxt_hwrm.c @@ -3191,6 +3191,7 @@ static uint16_t bnxt_parse_eth_link_speed(uint32_t conf_link_speed, case RTE_ETH_LINK_SPEED_25G: eth_link_speed = HWRM_PORT_PHY_CFG_INPUT_FORCE_LINK_SPEED_25GB; + link_info->link_signal_mode = BNXT_SIG_MODE_NRZ; break; case RTE_ETH_LINK_SPEED_40G: eth_link_speed =