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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 CY4PEPF0000EDD7.mail.protection.outlook.com (10.167.241.203) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9587.10 via Frontend Transport; Tue, 3 Feb 2026 14:57:23 +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; Tue, 3 Feb 2026 08:57:17 -0600 From: Raju Rangoju To: CC: , , , , , , , , Raju Rangoju Subject: [PATCH net-next v2 0/4] amd-xgbe: add ARP offload and RSS self-tests Date: Tue, 3 Feb 2026 20:26:54 +0530 Message-ID: <20260203145658.2936778-1-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: CY4PEPF0000EDD7:EE_|IA0PR12MB8905:EE_ X-MS-Office365-Filtering-Correlation-Id: 258920c5-3636-416b-fd8e-08de633489be X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|82310400026|36860700013|376014|1800799024; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: E/0TjX7rCv4g9PjhgwxOvMg+UJUxplYd6te11OXkEnnI/PY5gIFjQpmBNXV3BZGEsq3CQktqzdtNjYir/2bWUBVO3G1V40JB0WXUC3FawcVeKYHbWCEoiLmF1SH77jdSoUqXhwG8OqGSvScLc62t7Wr8u04fcuImcwy09tmKAS0i9B+Z+hVBCp/VyRyMyAyRN1BEF+YTuqtWxTn0+fBaIH/CfIdei1JyPKAJtRVyfaZUuNrwwYqzmPdB8Tdbz/7R2Q9Qc1LtxibXowU9rcII65Svf7yegmqr6un0z32LwUApKbTcqfS0jwV1RVvyq8p1FBGisJsxQUMU1zOFcy+abw1kVQaV1e1bDF07ZpSBfXccZz6WlYNaqrysMeLyJ3/WYMrk6L9w2Zret3DU8oPkRBJrY1GG5hG99eYo6MBBNB0T5VoAy91uaWhp34tjwPoZ X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 03 Feb 2026 14:57:23.2745 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 258920c5-3636-416b-fd8e-08de633489be 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: CY4PEPF0000EDD7.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: IA0PR12MB8905 This series adds ARP offload support and ethtool self-tests for the AMD XGBE 10 Gigabit Ethernet driver. Patch 1 is a build fix for randconfig coverage. Patch 2 adds hardware ARP offload functionality that allows the MAC to automatically respond to ARP requests without CPU intervention, reducing system latency and power consumption during suspend/resume and normal operation. Patches 3 and 4 add ethtool self-tests for ARP offload and RSS functionality respectively, allowing users to verify these hardware features are working correctly via 'ethtool -t '. The tests are integrated into the existing XGBE self-test framework that already includes MAC loopback, PHY loopback, split header, and jumbo frame tests. Test results example: $ ethtool -t eth0 The test result is PASS The test extra info: MAC Loopback 0 PHY Loopback 0 Split Header 0 Jumbo Frame 0 ARP Offload 0 RSS 0 Changes since v1: - Resubmitting to net-next as this was mistakenly sent to net previously. - Fix INET=n build breakage reported by kernel test robot - Ensure ARP self-test cleanup is safe on all error paths (no dangling packet handler). - Use link-local IPs for self-tests to avoid interfering with real network configuration. Raju Rangoju (4): amd-xgbe: do not select NET_SELFTESTS when INET is disabled amd-xgbe: add hardware ARP offload support amd-xgbe: add ARP offload ethtool self-test amd-xgbe: add RSS ethtool self-test drivers/net/ethernet/amd/Kconfig | 2 +- drivers/net/ethernet/amd/xgbe/xgbe-common.h | 3 + drivers/net/ethernet/amd/xgbe/xgbe-dev.c | 24 +++ drivers/net/ethernet/amd/xgbe/xgbe-selftest.c | 153 +++++++++++++++++- drivers/net/ethernet/amd/xgbe/xgbe.h | 4 + include/net/selftests.h | 1 + 6 files changed, 185 insertions(+), 2 deletions(-) -- 2.34.1