Commit 24a86d83 authored by Andrii Nakryiko's avatar Andrii Nakryiko Committed by Alexei Starovoitov
Browse files

selftests/bpf: improve netcnt test robustness 



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: default avatarAndrii Nakryiko <andrii@kernel.org>
Acked-by: default avatarStanislav Fomichev <sdf@google.com>
Link: https://lore.kernel.org/r/20230515204833.2832000-1-andrii@kernel.org


Signed-off-by: default avatarAlexei Starovoitov <ast@kernel.org>
parent e7480a44

tools/testing/selftests/bpf/prog_tests/netcnt.c

+2 −2
Original line number Diff line number Diff line
@@ -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)