From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 0E59443752 for ; Thu, 21 Dec 2023 19:05:47 +0100 (CET) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 103E942E8E; Thu, 21 Dec 2023 19:05:43 +0100 (CET) Received: from mail-pl1-f178.google.com (mail-pl1-f178.google.com [209.85.214.178]) by mails.dpdk.org (Postfix) with ESMTP id 8166842E65 for ; Thu, 21 Dec 2023 19:05:40 +0100 (CET) Received: by mail-pl1-f178.google.com with SMTP id d9443c01a7336-1d3e8a51e6bso9015525ad.3 for ; Thu, 21 Dec 2023 10:05:40 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; t=1703181940; x=1703786740; 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=uhxxTIhzSiS/QEmFhIId0mc0NYdSolxYkYUqmqwMQDI=; b=aRJujhn4mjHV7FYmGz6b7JnDZiNGre3XfR0s/7MXiRtdm6nnZK6zU/rAPopE82nfRx BYUa1RSbEqJaP0rR4t2vnXYbu9Mztm4dPpbRRg47pwMOmLNQ1U8W4T+3J5VMPygz1IUO Rrg6incF8w+68jE7OQwqd8Zdk44JZg4OWHvTA= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1703181940; x=1703786740; 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=uhxxTIhzSiS/QEmFhIId0mc0NYdSolxYkYUqmqwMQDI=; b=Imu8eSpvHsBwiUh2wrJBpESvtTq5mZK1jDa2JDZbxDNjhEgImaTLctfU2grvZIGkW2 N82m+WtvmoefbVNCtINf1WcwoPmgCAm/JvJbw0CWxrHkDItfd/CaYp+EuN0UlJs0fucc NQExWDmnOHFgK1Tcohl4K8ZAuonj8GoyRjtxy2w1h8S8QMctNytU1Q1z1KvSdxi8ARfz Tv79dO0/8v+lfoMbpSHNE5arPjhvgzL6JdJkXYnmY6zDlh8ercvP3GFzU7gdlj+FPJhE VTPBiDDGWZXb+83sZVO8U4Py2BYZ/YQEfy5AiC+Nm5qT6NGj9+GoYPFMoN98yU/4agqJ iMfw== X-Gm-Message-State: AOJu0YyDYl6br7hB3Mz/3DlbLX65sTleoVAmrBGXHq6frYhbUd8NG/9D v1XMunYqeH7bVmY6L2QVmRqxQBjBZWPm X-Google-Smtp-Source: AGHT+IHvHApJD9bEIDj+Dm49Coyu5AdNnVmoWH+Z8ltlI/5dutsv1ZQA8Cn3gUNKsoH81AtZxoSv4w== X-Received: by 2002:a17:902:b48e:b0:1d3:6c56:1d13 with SMTP id y14-20020a170902b48e00b001d36c561d13mr6808plr.93.1703181939634; Thu, 21 Dec 2023 10:05:39 -0800 (PST) Received: from C02GC2QQMD6T.wifi.broadcom.net ([192.19.223.252]) by smtp.gmail.com with ESMTPSA id j17-20020a170902da9100b001d3b3ac2d7bsm1916379plx.245.2023.12.21.10.05.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 21 Dec 2023 10:05:38 -0800 (PST) From: Ajit Khaparde To: dev@dpdk.org Cc: Kalesh AP , stable@dpdk.org, Somnath Kotur Subject: [PATCH 04/18] net/bnxt: fix setting 50G and 100G forced speed Date: Thu, 21 Dec 2023 10:05:15 -0800 Message-Id: <20231221180529.18687-5-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 Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-256; boundary="00000000000085fe4e060d08f204" X-BeenThere: stable@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: patches for DPDK stable branches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: stable-bounces@dpdk.org --00000000000085fe4e060d08f204 Content-Transfer-Encoding: 8bit From: Kalesh AP Thor based NICs can support PAM4 as well as NRZ link negotiation. While PAM4 can negotiate speeds at 50G, 100G and 200G, the PMD will use NRZ signaling for 50G and 100G speeds. PAM4 signaling will be used only for 200G speed negotiations. Driver has to check for NRZ speed support first while forcing speed. Fixes: c23f9ded0391 ("net/bnxt: support 200G PAM4 link") Cc: stable@dpdk.org Signed-off-by: Kalesh AP Reviewed-by: Somnath Kotur Reviewed-by: Ajit Khaparde --- drivers/net/bnxt/bnxt_hwrm.c | 22 ++++++++++++---------- 1 file changed, 12 insertions(+), 10 deletions(-) diff --git a/drivers/net/bnxt/bnxt_hwrm.c b/drivers/net/bnxt/bnxt_hwrm.c index 8f99582819..c31a5d4226 100644 --- a/drivers/net/bnxt/bnxt_hwrm.c +++ b/drivers/net/bnxt/bnxt_hwrm.c @@ -3158,6 +3158,8 @@ static uint16_t bnxt_check_eth_link_autoneg(uint32_t conf_link) static uint16_t bnxt_parse_eth_link_speed(uint32_t conf_link_speed, struct bnxt_link_info *link_info) { + uint16_t support_pam4_speeds = link_info->support_pam4_speeds; + uint16_t support_speeds = link_info->support_speeds; uint16_t eth_link_speed = 0; if (conf_link_speed == RTE_ETH_LINK_SPEED_AUTONEG) @@ -3195,23 +3197,23 @@ static uint16_t bnxt_parse_eth_link_speed(uint32_t conf_link_speed, HWRM_PORT_PHY_CFG_INPUT_FORCE_LINK_SPEED_40GB; break; case RTE_ETH_LINK_SPEED_50G: - if (link_info->support_pam4_speeds & - HWRM_PORT_PHY_QCFG_OUTPUT_SUPPORT_PAM4_SPEEDS_50G) { - eth_link_speed = HWRM_PORT_PHY_CFG_INPUT_FORCE_PAM4_LINK_SPEED_50GB; - link_info->link_signal_mode = BNXT_SIG_MODE_PAM4; - } else { + if (support_speeds & HWRM_PORT_PHY_QCFG_OUTPUT_SUPPORT_SPEEDS_50GB) { eth_link_speed = HWRM_PORT_PHY_CFG_INPUT_FORCE_LINK_SPEED_50GB; link_info->link_signal_mode = BNXT_SIG_MODE_NRZ; + } else if (support_pam4_speeds & + HWRM_PORT_PHY_QCFG_OUTPUT_SUPPORT_PAM4_SPEEDS_50G) { + eth_link_speed = HWRM_PORT_PHY_CFG_INPUT_FORCE_PAM4_LINK_SPEED_50GB; + link_info->link_signal_mode = BNXT_SIG_MODE_PAM4; } break; case RTE_ETH_LINK_SPEED_100G: - if (link_info->support_pam4_speeds & - HWRM_PORT_PHY_QCFG_OUTPUT_SUPPORT_PAM4_SPEEDS_100G) { - eth_link_speed = HWRM_PORT_PHY_CFG_INPUT_FORCE_PAM4_LINK_SPEED_100GB; - link_info->link_signal_mode = BNXT_SIG_MODE_PAM4; - } else { + if (support_speeds & HWRM_PORT_PHY_QCFG_OUTPUT_SUPPORT_SPEEDS_100GB) { eth_link_speed = HWRM_PORT_PHY_CFG_INPUT_FORCE_LINK_SPEED_100GB; link_info->link_signal_mode = BNXT_SIG_MODE_NRZ; + } else if (support_pam4_speeds & + HWRM_PORT_PHY_QCFG_OUTPUT_SUPPORT_PAM4_SPEEDS_100G) { + eth_link_speed = HWRM_PORT_PHY_CFG_INPUT_FORCE_PAM4_LINK_SPEED_100GB; + link_info->link_signal_mode = BNXT_SIG_MODE_PAM4; } break; case RTE_ETH_LINK_SPEED_200G: -- 2.39.2 (Apple Git-143) --00000000000085fe4e060d08f204 Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic Signature MIIQdgYJKoZIhvcNAQcCoIIQZzCCEGMCAQExDzANBglghkgBZQMEAgEFADALBgkqhkiG9w0BBwGg gg3NMIIFDTCCA/WgAwIBAgIQeEqpED+lv77edQixNJMdADANBgkqhkiG9w0BAQsFADBMMSAwHgYD VQQLExdHbG9iYWxTaWduIFJvb3QgQ0EgLSBSMzETMBEGA1UEChMKR2xvYmFsU2lnbjETMBEGA1UE AxMKR2xvYmFsU2lnbjAeFw0yMDA5MTYwMDAwMDBaFw0yODA5MTYwMDAwMDBaMFsxCzAJBgNVBAYT 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