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Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=SATLEXMB04.amd.com; pr=C Received: from SATLEXMB04.amd.com (165.204.84.17) by BN3PEPF0000B372.mail.protection.outlook.com (10.167.243.169) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.7677.0 via Frontend Transport; Tue, 4 Jun 2024 12:13:02 +0000 Received: from cae-Lilac-RMB.amd.com (10.180.168.240) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.35; Tue, 4 Jun 2024 07:12:56 -0500 From: Venkat Kumar Ande To: CC: , Venkat Kumar Ande , , Selwin Sebastian Subject: [PATCH v3 13/25] net/axgbe: fix the false linkup in axgbe PHY status Date: Tue, 4 Jun 2024 17:41:45 +0530 Message-ID: <20240604121157.3052-13-venkatkumar.ande@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240604121157.3052-1-venkatkumar.ande@amd.com> References: <20240507124305.2318-1-VenkatKumar.Ande@amd.com> <20240604121157.3052-1-venkatkumar.ande@amd.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: SATLEXMB03.amd.com (10.181.40.144) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BN3PEPF0000B372:EE_|SN7PR12MB6863:EE_ X-MS-Office365-Filtering-Correlation-Id: 71e3f3f5-aacd-4ffc-4585-08dc848fae7d X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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CTRY:US; LANG:en; SCL:1; SRV:; IPV:CAL; SFV:NSPM; H:SATLEXMB04.amd.com; PTR:InfoDomainNonexistent; CAT:NONE; SFS:(13230031)(82310400017)(36860700004)(376005)(1800799015); DIR:OUT; SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 04 Jun 2024 12:13:02.1934 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 71e3f3f5-aacd-4ffc-4585-08dc848fae7d X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d; Ip=[165.204.84.17]; Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: BN3PEPF0000B372.namprd21.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SN7PR12MB6863 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: Venkat Kumar Ande In the event of a change in AXGBE mode, the current auto-negotiation needs to be reset and the AN cycle needs to be re-triggered. However, the current code ignores the return value of axgbe_set_mode(), leading to false information as the link is declared without checking the status register. Fix this by propagating the mode switch status information to axgbe_phy_status(). Fixes: 102b6ec3d5c3 ("net/axgbe: support auto-negotiation for 1Gbps") Cc: stable@dpdk.org Signed-off-by: Venkat Kumar Ande Acked-by: Selwin Sebastian --- drivers/net/axgbe/axgbe_mdio.c | 17 ++++++++++++----- 1 file changed, 12 insertions(+), 5 deletions(-) diff --git a/drivers/net/axgbe/axgbe_mdio.c b/drivers/net/axgbe/axgbe_mdio.c index e1a737cf62..d95a52659e 100644 --- a/drivers/net/axgbe/axgbe_mdio.c +++ b/drivers/net/axgbe/axgbe_mdio.c @@ -200,13 +200,14 @@ static void axgbe_switch_mode(struct axgbe_port *pdata) axgbe_change_mode(pdata, pdata->phy_if.phy_impl.switch_mode(pdata)); } -static void axgbe_set_mode(struct axgbe_port *pdata, +static bool axgbe_set_mode(struct axgbe_port *pdata, enum axgbe_mode mode) { if (mode == axgbe_cur_mode(pdata)) - return; + return false; axgbe_change_mode(pdata, mode); + return true; } static bool axgbe_use_mode(struct axgbe_port *pdata, @@ -1007,7 +1008,7 @@ static enum axgbe_mode axgbe_phy_status_aneg(struct axgbe_port *pdata) return pdata->phy_if.phy_impl.an_outcome(pdata); } -static void axgbe_phy_status_result(struct axgbe_port *pdata) +static bool axgbe_phy_status_result(struct axgbe_port *pdata) { enum axgbe_mode mode; @@ -1041,7 +1042,10 @@ static void axgbe_phy_status_result(struct axgbe_port *pdata) pdata->phy.duplex = DUPLEX_FULL; - axgbe_set_mode(pdata, mode); + if (axgbe_set_mode(pdata, mode)) + return true; + else + return false; } static int autoneg_time_out(unsigned long autoneg_start_time) @@ -1108,7 +1112,10 @@ static void axgbe_phy_status(struct axgbe_port *pdata) return; } } - axgbe_phy_status_result(pdata); + + if (axgbe_phy_status_result(pdata)) + return; + if (rte_bit_relaxed_get32(AXGBE_LINK_INIT, &pdata->dev_state)) rte_bit_relaxed_clear32(AXGBE_LINK_INIT, &pdata->dev_state); -- 2.34.1