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Slow machines can delay scheduling of the packets for milliseconds.
Increase the delay to 8ms if KSFT_MACHINE_SLOW. Try to limit the
variability by moving setsockopts earlier (before we read time).
This fixes the "TXTIME rel" failures on debug kernels, like:
Case ICMPv4 - TXTIME rel returned '', expected 'OK'
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://lore.kernel.org/r/20240510005705.43069-2-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Here is the test result after conversion.
]# ./cmsg_ipv6.sh
OK
]# ./cmsg_so_mark.sh
OK
]# ./cmsg_time.sh
OK
Acked-by: David Ahern <dsahern@kernel.org>
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Test TIMESTAMPING and TXTIME across UDP / ICMP and IP versions.
Before ICMPv6 support:
# ./tools/testing/selftests/net/cmsg_time.sh
Case ICMPv6 - ts cnt returned '0', expected '2'
Case ICMPv6 - ts0 SCHED returned '', expected 'OK'
Case ICMPv6 - ts0 SND returned '', expected 'OK'
Case ICMPv6 - TXTIME abs returned '', expected 'OK'
Case ICMPv6 - TXTIME rel returned '', expected 'OK'
FAIL - 5/36 cases failed
After:
# ./tools/testing/selftests/net/cmsg_time.sh
OK
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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