From patchwork Thu Dec 21 18:05:16 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ajit Khaparde X-Patchwork-Id: 135480 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 A2C5143752; Thu, 21 Dec 2023 19:06:19 +0100 (CET) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 83D6B42EAF; Thu, 21 Dec 2023 19:05:45 +0100 (CET) Received: from mail-pl1-f179.google.com (mail-pl1-f179.google.com [209.85.214.179]) by mails.dpdk.org (Postfix) with ESMTP id 922DA42E6A for ; Thu, 21 Dec 2023 19:05:42 +0100 (CET) Received: by mail-pl1-f179.google.com with SMTP id d9443c01a7336-1d3cfb1568eso9493215ad.1 for ; Thu, 21 Dec 2023 10:05:42 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; t=1703181941; x=1703786741; 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=VMljz5lvKifLcsyYI2j6we6jmIY4RhpEHFT1yqg4ffQ=; b=aSTXK3Gpy6tZxw82YPA/hMsAE/sLZcYESW6rFieMMZLEq3rMgmzvxOm3LPyxjtJQMT Iweu+BRhLkfcpKXxkiJpI/LKjJeOwFbGOScJlRML8FMg/40CfqDGMqb0b0WDhlVQtTVr HVCbzm+1k+jamYLyAcl3vZX9vwk3LwFG2UUWg= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1703181941; x=1703786741; 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=VMljz5lvKifLcsyYI2j6we6jmIY4RhpEHFT1yqg4ffQ=; b=BAtXuz8vuFJKTOzztBQFZv8JXMBjeNJXcGcknDarsp6CLuRAh22ECqM/z2KV93RyDf RS7aYveRQ5SPv+80qqAdNeu8ti+wfpyM9n+u7R//knQiJ1j+Znll/E28GS78mJYNmyox 4nhE2a0AX1tuXPop56WY2eeRZbdx7oTAE86F7/Z8Q7asIGGz9yrv/4lZnKrSoNXHEdjn 1SGGpQCewovXMrYApP13Zv6aZVZfE5rwUG8DjzXQDbG21gZfZEETsH8TymruBt5hAZIs HKvl7mTnzBUCHc0u8uhicXOyNPwc8F4PWkXwaSyIudmX1WBAq6HahMea9OrYdqJ7cmNX UStw== X-Gm-Message-State: AOJu0YwWDfuZVGekVaVhIrX5uErN7N/LAx0GbPjLpihcDbBiyzN3rHus oVju6qPECzksA74zs8xgclHAYHQrGxRRcTfVQJNuk18yTLRlKHAILl0F+QUkSQk9hkauz666fd9 KUDcc7ylZK8mVRnI/WQG95WSO4mrTcFyBol0NysWwHy2c/nRKwwhFBZpTpmOeKf5rS98qiR/+im Q= X-Google-Smtp-Source: AGHT+IE3a1GC3Zm8JIfAdBQLkqD7FoEY8z1RiZEojjcoTaIYkiyjvAZj14Fxm4ZN/CEuObjVkshDZw== X-Received: by 2002:a17:902:d4ca:b0:1d3:e449:ced with SMTP id o10-20020a170902d4ca00b001d3e4490cedmr15609plg.78.1703181941166; Thu, 21 Dec 2023 10:05:41 -0800 (PST) Received: from C02GC2QQMD6T.wifi.broadcom.net ([192.19.223.252]) by smtp.gmail.com with ESMTPSA id j17-20020a170902da9100b001d3b3ac2d7bsm1916379plx.245.2023.12.21.10.05.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 21 Dec 2023 10:05:40 -0800 (PST) From: Ajit Khaparde To: dev@dpdk.org Cc: Kalesh AP , stable@dpdk.org, Somnath Kotur Subject: [PATCH 05/18] net/bnxt: fix speed change from 200G to 25G on Thor Date: Thu, 21 Dec 2023 10:05:16 -0800 Message-Id: <20231221180529.18687-6-ajit.khaparde@broadcom.com> X-Mailer: git-send-email 2.39.2 (Apple Git-143) In-Reply-To: <20231221180529.18687-1-ajit.khaparde@broadcom.com> References: <20231221180529.18687-1-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 =