add ax88772C AX88772C_eeprom_tools

hc

2024-05-10 61598093bbdd283a7edc367d900f223070ead8d2

 kernel/tools/testing/selftests/net/devlink_port_split.py
..
..
@@ -57,6 +57,8 @@
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         assert stderr == ""
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         ports = json.loads(stdout)['port']
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+        validate_devlink_output(ports, 'flavour')
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+
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         for port in ports:
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             if dev in port:
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                 if ports[port]['flavour'] == 'physical':
..
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@@ -218,6 +220,27 @@
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     unsplit(port.bus_info)
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+def validate_devlink_output(devlink_data, target_property=None):
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+    """
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+    Determine if test should be skipped by checking:
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+      1. devlink_data contains values
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+      2. The target_property exist in devlink_data
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+    """
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+    skip_reason = None
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+    if any(devlink_data.values()):
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+        if target_property:
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+            skip_reason = "{} not found in devlink output, test skipped".format(target_property)
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+            for key in devlink_data:
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+                if target_property in devlink_data[key]:
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+                    skip_reason = None
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+    else:
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+        skip_reason = 'devlink output is empty, test skipped'
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+
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+    if skip_reason:
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+        print(skip_reason)
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+        sys.exit(KSFT_SKIP)
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+
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+
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 def make_parser():
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     parser = argparse.ArgumentParser(description='A test for port splitting.')
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     parser.add_argument('--dev',
..
..
@@ -238,6 +261,7 @@
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         stdout, stderr = run_command(cmd)
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         assert stderr == ""
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+        validate_devlink_output(json.loads(stdout))
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         devs = json.loads(stdout)['dev']
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         dev = list(devs.keys())[0]
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..
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@@ -249,6 +273,7 @@
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     ports = devlink_ports(dev)
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+    found_max_lanes = False
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     for port in ports.if_names:
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         max_lanes = get_max_lanes(port.name)
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..
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@@ -271,6 +296,11 @@
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                 split_splittable_port(port, lane, max_lanes, dev)
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                 lane //= 2
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+        found_max_lanes = True
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+
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+    if not found_max_lanes:
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+        print(f"Test not started, no port of device {dev} reports max_lanes")
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+        sys.exit(KSFT_SKIP)
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 if __name__ == "__main__":