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selftests/bpf: improve netcnt test robustness

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Change netcnt to demand at least 10K packets, as we frequently see some
stray packet arriving during the test in BPF CI. It seems more important
to make sure we haven't lost any packet than enforcing exact number of
packets.

Cc: Stanislav Fomichev <sdf@google.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Stanislav Fomichev <sdf@google.com>
Link: https://lore.kernel.org/r/20230515204833.2832000-1-andrii@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This commit is contained in:
Andrii Nakryiko 2023-05-15 13:48:33 -07:00 committed by Alexei Starovoitov
parent e7480a44d7
commit 24a86d833b
1 changed files with 2 additions and 2 deletions
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4
tools/testing/selftests/bpf/prog_tests/netcnt.c
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@ -67,12 +67,12 @@ void serial_test_netcnt(void)
}
/* No packets should be lost */
ASSERT_EQ(packets, 10000, "packets");
ASSERT_GE(packets, 10000, "packets");
/* Let's check that bytes counter matches the number of packets
* multiplied by the size of ipv6 ICMP packet.
*/
ASSERT_EQ(bytes, packets * 104, "bytes");
ASSERT_GE(bytes, packets * 104, "bytes");
err:
if (cg_fd != -1)