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 dxu@dxuuu.xyz --- tools/testing/selftests/drivers/net/hw/rss_ctx.py | 13 ++++++++++++- 1 file changed, 12 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 29995586993c..4fa158f37155 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 +97,14 @@ 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, re.IGNORECASE), + "RSS context not referenced in ntuple rule") + + def test_rss_key_indir(cfg): """Test basics like updating the main RSS key and indirection table."""
@@ -433,6 +442,8 @@ 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),