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client-ip=165.204.84.17; helo=satlexmb07.amd.com; pr=C Received: from satlexmb07.amd.com (165.204.84.17) by DS1PEPF00017095.mail.protection.outlook.com (10.167.17.138) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9678.18 via Frontend Transport; Fri, 6 Mar 2026 11:17:27 +0000 Received: from airavat.amd.com (10.180.168.240) by satlexmb07.amd.com (10.181.42.216) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.17; Fri, 6 Mar 2026 05:17:24 -0600 From: Raju Rangoju To: CC: , , , , , , , , Raju Rangoju Subject: [PATCH v3 net 0/3] amd-xgbe: RX adaptation and PHY handling fixes Date: Fri, 6 Mar 2026 16:46:26 +0530 Message-ID: <20260306111629.1515676-1-Raju.Rangoju@amd.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: satlexmb07.amd.com (10.181.42.216) To satlexmb07.amd.com (10.181.42.216) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DS1PEPF00017095:EE_|CY1PR12MB9652:EE_ X-MS-Office365-Filtering-Correlation-Id: 2d769360-3204-4d35-cc81-08de7b71f31e X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|36860700016|82310400026|376014|1800799024; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: iLnJeZrYUC7r9znyGbNdv4LOB60apBz53z9uO3j5Dc87W30F6FpVu8RPii+gEu3kbxlTO8A0wT8WkxoMWGR7oQdRq7Wx3hgIfDVLLRBlwGctwyb1CxL2Hw2KbW11rn/YGKW/FhGW5W6heHg/YziCmNpP3gsa6PWrqrEMi4YZlzVBu2OPzKXJdLpEWUQbh96V8VzGlDtqPl78r3nMqIin1NbH0I0T5RBAu8zUA5XP0bomu0nS7EQknd0BUTF8TZ6aRbmzkLRkkjlyybbi+HiEfnGPSnZhEIP0+CPaMLaqcGONHUJFU9Cxx5YWitO5/jcnoHXx85rOVlH0CI0SVHUkjVHcG1/k8XS9+QanW19icVYkMGkNOLQbiMkLDf8aDlfGHjwxPBMl6irTlu85hcvXZ8N2sA1fyN33xYWIvhHX1s5107G2XgPns1ez2YJUZS5E X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 06 Mar 2026 11:17:27.2900 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 2d769360-3204-4d35-cc81-08de7b71f31e 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=[satlexmb07.amd.com] X-MS-Exchange-CrossTenant-AuthSource: DS1PEPF00017095.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY1PR12MB9652 This series fixes several issues in the amd-xgbe driver related to RX adaptation and PHY handling in 10GBASE-KR mode, particularly when auto-negotiation is disabled. Patch 1 fixes link status handling during RX adaptation by correctly reading the latched link status bit so transient link drops are detected without losing the current state. Patch 2 prevents CRC errors that can occur when performing RX adaptation with auto-negotiation turned off. The driver now stops TX/RX before re-triggering RX adaptation and only re-enables traffic once adaptation completes and the link is confirmed up, ensuring packets are not corrupted during the adaptation window. Patch 3 restores the intended ordering of PHY reset relative to phy_start(), making sure PHY settings are reset before the PHY is started instead of afterwards. Changes since v1: - change the data_path_stopped flag to boolean type as it is only used as a true/false indicator. Changes since v2: - use the correct fixes tag for the link status handling patch - change the data_path_stopped flag to be cleared in phy_start() to ensure it is reset on device restart Raju Rangoju (3): amd-xgbe: fix link status handling in xgbe_rx_adaptation amd-xgbe: prevent CRC errors during RX adaptation with AN disabled amd-xgbe: reset PHY settings before starting PHY drivers/net/ethernet/amd/xgbe/xgbe-drv.c | 19 ++--- drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c | 82 +++++++++++++++++++-- drivers/net/ethernet/amd/xgbe/xgbe.h | 4 + 3 files changed, 89 insertions(+), 16 deletions(-) -- 2.34.1