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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 CO1PEPF000044F7.mail.protection.outlook.com (10.167.241.197) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.7292.0 via Frontend Transport; Wed, 7 Feb 2024 03:14:18 +0000 Received: from driver-dev1.pensando.io (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 15.1.2507.34; Tue, 6 Feb 2024 21:14:13 -0600 From: Andrew Boyer To: CC: Andrew Boyer Subject: [PATCH v3 03/13] net/ionic: don't auto-enable Rx scatter-gather a second time Date: Tue, 6 Feb 2024 19:13:07 -0800 Message-ID: <20240207031317.32293-4-andrew.boyer@amd.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20240207031317.32293-1-andrew.boyer@amd.com> References: <20240202193238.62669-1-andrew.boyer@amd.com> <20240207031317.32293-1-andrew.boyer@amd.com> MIME-Version: 1.0 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: CO1PEPF000044F7:EE_|PH8PR12MB7304:EE_ X-MS-Office365-Filtering-Correlation-Id: e5292af0-85c2-4ad7-0ac8-08dc278adf31 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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DIR:OUT; SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 07 Feb 2024 03:14:18.1552 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: e5292af0-85c2-4ad7-0ac8-08dc278adf31 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: CO1PEPF000044F7.namprd21.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH8PR12MB7304 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 The receive side will enable scatter-gather if required based on the mbuf size. If the client already enabled it in the config, it does not need to be enabled again. This reduces log output. Signed-off-by: Andrew Boyer --- drivers/net/ionic/ionic_lif.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/ionic/ionic_lif.c b/drivers/net/ionic/ionic_lif.c index 25b490deb6..fe2112c057 100644 --- a/drivers/net/ionic/ionic_lif.c +++ b/drivers/net/ionic/ionic_lif.c @@ -768,7 +768,8 @@ ionic_rx_qcq_alloc(struct ionic_lif *lif, uint32_t socket_id, uint32_t index, max_mtu = rte_le_to_cpu_32(lif->adapter->ident.lif.eth.max_mtu); /* If mbufs are too small to hold received packets, enable SG */ - if (max_mtu > hdr_seg_size) { + if (max_mtu > hdr_seg_size && + !(lif->features & IONIC_ETH_HW_RX_SG)) { IONIC_PRINT(NOTICE, "Enabling RX_OFFLOAD_SCATTER"); lif->eth_dev->data->dev_conf.rxmode.offloads |= RTE_ETH_RX_OFFLOAD_SCATTER;