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4fa6bd4b33
Test cases need to exit with non-zero status if they failed, we currently don't do that: # KTAP version 1 # 1..3 # # At /root/ksft-net-drv/drivers/net/./ping.py line 18: # # Check failed 1 != 2 # not ok 1 ping.test_v4 # ok 2 ping.test_v6 # ok 3 ping.test_tcp # # Totals: pass:2 fail:1 xfail:0 xpass:0 skip:0 error:0 ok 1 selftests: drivers/net: ping.py ^^^^ It's a bit tempting to make the exit part of ksft_run(), but that only works well for very trivial setups. We can revisit this later, if people forget to call ksft_exit(). Link: https://lore.kernel.org/r/20240417231146.2435572-3-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
89 lines
2.6 KiB
Python
Executable File
89 lines
2.6 KiB
Python
Executable File
#!/usr/bin/env python3
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# SPDX-License-Identifier: GPL-2.0
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from lib.py import ksft_run, ksft_exit
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from lib.py import ksft_in, ksft_true, KsftSkipEx, KsftXfailEx
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from lib.py import EthtoolFamily, NetdevFamily, RtnlFamily, NlError
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from lib.py import NetDrvEnv
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ethnl = EthtoolFamily()
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netfam = NetdevFamily()
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rtnl = RtnlFamily()
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def check_pause(cfg) -> None:
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global ethnl
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try:
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ethnl.pause_get({"header": {"dev-index": cfg.ifindex}})
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except NlError as e:
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if e.error == 95:
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raise KsftXfailEx("pause not supported by the device")
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raise
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data = ethnl.pause_get({"header": {"dev-index": cfg.ifindex,
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"flags": {'stats'}}})
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ksft_true(data['stats'], "driver does not report stats")
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def check_fec(cfg) -> None:
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global ethnl
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try:
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ethnl.fec_get({"header": {"dev-index": cfg.ifindex}})
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except NlError as e:
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if e.error == 95:
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raise KsftXfailEx("FEC not supported by the device")
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raise
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data = ethnl.fec_get({"header": {"dev-index": cfg.ifindex,
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"flags": {'stats'}}})
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ksft_true(data['stats'], "driver does not report stats")
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def pkt_byte_sum(cfg) -> None:
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global netfam, rtnl
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def get_qstat(test):
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global netfam
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stats = netfam.qstats_get({}, dump=True)
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if stats:
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for qs in stats:
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if qs["ifindex"]== test.ifindex:
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return qs
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qstat = get_qstat(cfg)
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if qstat is None:
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raise KsftSkipEx("qstats not supported by the device")
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for key in ['tx-packets', 'tx-bytes', 'rx-packets', 'rx-bytes']:
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ksft_in(key, qstat, "Drivers should always report basic keys")
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# Compare stats, rtnl stats and qstats must match,
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# but the interface may be up, so do a series of dumps
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# each time the more "recent" stats must be higher or same.
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def stat_cmp(rstat, qstat):
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for key in ['tx-packets', 'tx-bytes', 'rx-packets', 'rx-bytes']:
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if rstat[key] != qstat[key]:
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return rstat[key] - qstat[key]
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return 0
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for _ in range(10):
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rtstat = rtnl.getlink({"ifi-index": cfg.ifindex})['stats']
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if stat_cmp(rtstat, qstat) < 0:
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raise Exception("RTNL stats are lower, fetched later")
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qstat = get_qstat(cfg)
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if stat_cmp(rtstat, qstat) > 0:
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raise Exception("Qstats are lower, fetched later")
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def main() -> None:
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with NetDrvEnv(__file__) as cfg:
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ksft_run([check_pause, check_fec, pkt_byte_sum],
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args=(cfg, ))
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ksft_exit()
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if __name__ == "__main__":
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main()
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