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-rwxr-xr-xtools/testing/selftests/bpf/test_offload.py27
1 files changed, 27 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/test_offload.py b/tools/testing/selftests/bpf/test_offload.py
index ae3eea3..49f5cee 100755
--- a/tools/testing/selftests/bpf/test_offload.py
+++ b/tools/testing/selftests/bpf/test_offload.py
@@ -543,6 +543,10 @@ def check_extack(output, reference, args):
def check_extack_nsim(output, reference, args):
check_extack(output, "Error: netdevsim: " + reference, args)
+def check_no_extack(res, needle):
+ fail((res[1] + res[2]).count(needle) or (res[1] + res[2]).count("Warning:"),
+ "Found '%s' in command output, leaky extack?" % (needle))
+
def check_verifier_log(output, reference):
lines = output.split("\n")
for l in reversed(lines):
@@ -550,6 +554,18 @@ def check_verifier_log(output, reference):
return
fail(True, "Missing or incorrect message from netdevsim in verifier log")
+def test_spurios_extack(sim, obj, skip_hw, needle):
+ res = sim.cls_bpf_add_filter(obj, prio=1, handle=1, skip_hw=skip_hw,
+ include_stderr=True)
+ check_no_extack(res, needle)
+ res = sim.cls_bpf_add_filter(obj, op="replace", prio=1, handle=1,
+ skip_hw=skip_hw, include_stderr=True)
+ check_no_extack(res, needle)
+ res = sim.cls_filter_op(op="delete", prio=1, handle=1, cls="bpf",
+ include_stderr=True)
+ check_no_extack(res, needle)
+
+
# Parse command line
parser = argparse.ArgumentParser()
parser.add_argument("--log", help="output verbose log to given file")
@@ -687,6 +703,17 @@ try:
(j))
sim.cls_filter_op(op="delete", prio=1, handle=1, cls="bpf")
+ start_test("Test spurious extack from the driver...")
+ test_spurios_extack(sim, obj, False, "netdevsim")
+ test_spurios_extack(sim, obj, True, "netdevsim")
+
+ sim.set_ethtool_tc_offloads(False)
+
+ test_spurios_extack(sim, obj, False, "TC offload is disabled")
+ test_spurios_extack(sim, obj, True, "TC offload is disabled")
+
+ sim.set_ethtool_tc_offloads(True)
+
sim.tc_flush_filters()
start_test("Test TC offloads work...")
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