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Wed, 27 Nov 2024 17:58:46 -0500 (EST) From: Daniel Xu To: andrew+netdev@lunn.ch, pabeni@redhat.com, davem@davemloft.net, edumazet@google.com, shuah@kernel.org, kuba@kernel.org, michael.chan@broadcom.com, martin.lau@linux.dev, pavan.chebbi@broadcom.com, ecree.xilinx@gmail.com Cc: netdev@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, kernel-team@meta.com Subject: [PATCH net v3 2/2] selftests: drv-net: rss_ctx: Add test for ntuple rule Date: Wed, 27 Nov 2024 15:58:30 -0700 Message-ID: <759870e430b7c93ecaae6e448f30a47284c59637.1732748253.git.dxu@dxuuu.xyz> X-Mailer: git-send-email 2.46.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Extend the rss_ctx test suite to test that an ntuple action that redirects to an RSS context contains that information in `ethtool -n`. Otherwise the output from ethtool is highly deceiving. This test helps ensure drivers are compliant with the API. Signed-off-by: Daniel Xu --- tools/testing/selftests/drivers/net/hw/rss_ctx.py | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/drivers/net/hw/rss_ctx.py b/tools/testing/selftests/drivers/net/hw/rss_ctx.py index 0b49ce7ae678..ca8a7edff3dd 100755 --- a/tools/testing/selftests/drivers/net/hw/rss_ctx.py +++ b/tools/testing/selftests/drivers/net/hw/rss_ctx.py @@ -3,7 +3,8 @@ import datetime import random -from lib.py import ksft_run, ksft_pr, ksft_exit, ksft_eq, ksft_ne, ksft_ge, ksft_lt +import re +from lib.py import ksft_run, ksft_pr, ksft_exit, ksft_eq, ksft_ne, ksft_ge, ksft_lt, ksft_true from lib.py import NetDrvEpEnv from lib.py import EthtoolFamily, NetdevFamily from lib.py import KsftSkipEx, KsftFailEx @@ -96,6 +97,13 @@ def _send_traffic_check(cfg, port, name, params): f"traffic on inactive queues ({name}): " + str(cnts)) +def _ntuple_rule_check(cfg, rule_id, ctx_id): + """Check that ntuple rule references RSS context ID""" + text = ethtool(f"-n {cfg.ifname} rule {rule_id}").stdout + pattern = f"RSS Context (ID: )?{ctx_id}" + ksft_true(re.search(pattern, text), "RSS context not referenced in ntuple rule") + + def test_rss_key_indir(cfg): """Test basics like updating the main RSS key and indirection table.""" @@ -459,6 +467,8 @@ def test_rss_context(cfg, ctx_cnt=1, create_with_cfg=None): ntuple = ethtool_create(cfg, "-N", flow) defer(ethtool, f"-N {cfg.ifname} delete {ntuple}") + _ntuple_rule_check(cfg, ntuple, ctx_id) + for i in range(ctx_cnt): _send_traffic_check(cfg, ports[i], f"context {i}", { 'target': (2+i*2, 3+i*2),