From patchwork Fri Dec 22 21:56:46 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ajit Khaparde X-Patchwork-Id: 135535 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 96AA543762; Fri, 22 Dec 2023 22:57:47 +0100 (CET) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 6159442D95; Fri, 22 Dec 2023 22:57:16 +0100 (CET) Received: from mail-il1-f178.google.com (mail-il1-f178.google.com [209.85.166.178]) by mails.dpdk.org (Postfix) with ESMTP id B998A4068A for ; Fri, 22 Dec 2023 22:57:12 +0100 (CET) Received: by mail-il1-f178.google.com with SMTP id e9e14a558f8ab-35fe994dab5so869165ab.0 for ; Fri, 22 Dec 2023 13:57:12 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; t=1703282231; x=1703887031; 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=ovh2GZWA1w/JTMxD9jcmk+rVEku+CGsD1EIdWS/merk=; b=hIGUxC1zIurSqeO+qqP+tSqqAZlEGBklR23qgF7Sn9pLRQTnQQGIE9zL+qF7dns81s shPhnu6t+dsFyAjiyn99U42oeCdkjtI6CNTEh9R3gGGNGB8g23mxKlYuOu/NwOcvnhyD WzPx8RWzKmMy9sgcbP1k2DAHOQMzRbBruBcC4= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1703282231; x=1703887031; 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=ovh2GZWA1w/JTMxD9jcmk+rVEku+CGsD1EIdWS/merk=; b=TnEUDbWWQnQKr+ss5hk7ZdApqltUd8cNzModsDg5S92RYjeARrXpYg5eqg+bI8RnlR Nphkz0XXhVjpACZJlGP87odRz+Gt/2eiJ9TKuVSL5lOZwE6Kktxz2EsfNssGwy8To+eb srRcTZXonK35OVK2goNBdXnwQdope/Kraoz4fEoP6LmyAYAGC6uwSo3dQ/rkobZt5b8f AhbaNitgnvgmS2KwAdTcG6PARmtLVjO206eZFHCOzX7rRG2yK5zU2MTI7FOfk0pWM8WK GL7j+iMu1E/kiJMDk0XJUXABCneCVcZSRXSS4loAPd7gqFg6Zdk1wux4nn0vxQDWwvhX xMQw== X-Gm-Message-State: AOJu0YzdAVGUwcKQFIOd8tNUqPeY3dx7bdL8qrdgtu61hdMy5T4quKPD S2r+vDXsYM92QA2No9H7d0dxD6f4tM/jw2+5xCtVXVEfwpzeJYkKHW3NryTrG9CkDFxhZxjTGIA iOO5pUlXkLBL5M2FwjGcsLkLzhVbhc19TGYmsFfGkZmH8y/ieXvc1pv5kPsSkM93o+Yort0o0Kj A= X-Google-Smtp-Source: AGHT+IFMdp5uSL1/Wovk5geiM/c1Vghrnw8fcVR85NglUUlINBwfbAOcx8I8MZ93dCdTOJdhF4z7eg== X-Received: by 2002:a05:6e02:190c:b0:35d:6f9f:5743 with SMTP id w12-20020a056e02190c00b0035d6f9f5743mr3206678ilu.57.1703282231421; Fri, 22 Dec 2023 13:57:11 -0800 (PST) Received: from C02GC2QQMD6T.wifi.broadcom.net ([192.19.223.252]) by smtp.gmail.com with ESMTPSA id sr5-20020a17090b4e8500b0028afd8b1e0bsm3540700pjb.57.2023.12.22.13.57.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 22 Dec 2023 13:57:10 -0800 (PST) From: Ajit Khaparde To: dev@dpdk.org Cc: Kalesh AP , stable@dpdk.org, Somnath Kotur Subject: [PATCH v2 05/18] net/bnxt: fix speed change from 200G to 25G on Thor Date: Fri, 22 Dec 2023 13:56:46 -0800 Message-Id: <20231222215659.64993-6-ajit.khaparde@broadcom.com> X-Mailer: git-send-email 2.39.2 (Apple Git-143) In-Reply-To: <20231222215659.64993-1-ajit.khaparde@broadcom.com> References: <20231222215659.64993-1-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 =