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Wed, 13 Nov 2024 06:15:06 -0600 From: To: , , , CC: Edward Cree , , , , , Subject: [PATCH net-next 5/5] selftest: extend test_rss_context_queue_reconfigure for action addition Date: Wed, 13 Nov 2024 12:13:13 +0000 Message-ID: <58276b800ab78c0a79c1918046ccae7fe45ba802.1731499022.git.ecree.xilinx@gmail.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Received-SPF: None (SATLEXMB05.amd.com: edward.cree@amd.com does not designate permitted sender hosts) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BL6PEPF0001AB77:EE_|BY5PR12MB4177:EE_ X-MS-Office365-Filtering-Correlation-Id: cb2cc6f2-606d-4741-97c5-08dd03dcd0c7 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; ARA:13230040|36860700013|376014|82310400026|7416014|1800799024; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.17; CTRY:US; LANG:en; SCL:1; SRV:; IPV:CAL; SFV:NSPM; H:SATLEXMB03.amd.com; PTR:InfoDomainNonexistent; CAT:NONE; SFS:(13230040)(36860700013)(376014)(82310400026)(7416014)(1800799024); DIR:OUT; SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 13 Nov 2024 12:15:08.5033 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: cb2cc6f2-606d-4741-97c5-08dd03dcd0c7 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=[SATLEXMB03.amd.com] X-MS-Exchange-CrossTenant-AuthSource: BL6PEPF0001AB77.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BY5PR12MB4177 From: Edward Cree The combination of ntuple action (ring_cookie) and RSS context can cause an ntuple rule to target a higher queue than appears in any RSS indirection table or directly in the ntuple rule, since the two numbers are added together. Verify the logic that prevents reducing the queue count in this case. Signed-off-by: Edward Cree --- I'm not able to run this selftest myself, because sfc doesn't support ethtool set-channels (-L). If someone else can verify that it works on their hardware that would be much appreciated. .../selftests/drivers/net/hw/rss_ctx.py | 26 +++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/tools/testing/selftests/drivers/net/hw/rss_ctx.py b/tools/testing/selftests/drivers/net/hw/rss_ctx.py index 8f62dc29bd26..0b49ce7ae678 100755 --- a/tools/testing/selftests/drivers/net/hw/rss_ctx.py +++ b/tools/testing/selftests/drivers/net/hw/rss_ctx.py @@ -238,6 +238,32 @@ def test_rss_queue_reconfigure(cfg, main_ctx=True): else: raise Exception(f"Driver didn't prevent us from deactivating a used queue (context {ctx_id})") + if not main_ctx: + ethtool(f"-L {cfg.ifname} combined 4") + flow = f"flow-type tcp{cfg.addr_ipver} dst-ip {cfg.addr} dst-port {port} context {ctx_id} action 1" + try: + # this targets queue 4, which doesn't exist + ntuple2 = ethtool_create(cfg, "-N", flow) + except CmdExitFailure: + pass + else: + raise Exception(f"Driver didn't prevent us from targeting a nonexistent queue (context {ctx_id})") + # change the table to target queues 0 and 2 + ethtool(f"-X {cfg.ifname} {ctx_ref} weight 1 0 1 0") + # ntuple rule therefore targets queues 1 and 3 + ntuple2 = ethtool_create(cfg, "-N", flow) + # should replace existing filter + ksft_eq(ntuple, ntuple2) + _send_traffic_check(cfg, port, ctx_ref, { 'target': (1, 3), + 'noise' : (0, 2) }) + # Setting queue count to 3 should fail, queue 3 is used + try: + ethtool(f"-L {cfg.ifname} combined 3") + except CmdExitFailure: + pass + else: + raise Exception(f"Driver didn't prevent us from deactivating a used queue (context {ctx_id})") + def test_rss_resize(cfg): """Test resizing of the RSS table.