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4 Commits

Author SHA1 Message Date
Yucong Sun
d3f7b1664d selfetest/bpf: Make some tests serial 
Change tests that often fails in parallel execution mode to serial.

Signed-off-by: Yucong Sun <sunyucong@gmail.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20211006185619.364369-15-fallentree@fb.com
 2021-10-08 15:17:00 -07:00
Andrii Nakryiko
bad2e478af selftests/bpf: Turn on libbpf 1.0 mode and fix all IS_ERR checks 
Turn ony libbpf 1.0 mode. Fix all the explicit IS_ERR checks that now will be
broken because libbpf returns NULL on error (and sets errno). Fix
ASSERT_OK_PTR and ASSERT_ERR_PTR to work for both old mode and new modes and
use them throughout selftests. This is trivial to do by using
libbpf_get_error() API that all libbpf users are supposed to use, instead of
IS_ERR checks.

A bunch of checks also did explicit -1 comparison for various fd-returning
APIs. Such checks are replaced with >= 0 or < 0 cases.

There were also few misuses of bpf_object__find_map_by_name() in test_maps.
Those are fixed in this patch as well.

Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: John Fastabend <john.fastabend@gmail.com>
Acked-by: Toke Høiland-Jørgensen <toke@redhat.com>
Link: https://lore.kernel.org/bpf/20210525035935.1461796-3-andrii@kernel.org
 2021-05-25 17:32:35 -07:00
Jesper Dangaard Brouer
e5e010a306 selftests/bpf: Tests using bpf_check_mtu BPF-helper input mtu_len param 
Add tests that use mtu_len as input parameter in BPF-helper
bpf_check_mtu().

The BPF-helper is avail from both XDP and TC context. Add two tests
per context, one that tests below MTU and one that exceeds the MTU.

Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: John Fastabend <john.fastabend@gmail.com>
Link: https://lore.kernel.org/bpf/161521556358.3515614.5915221479709358964.stgit@firesoul
 2021-03-08 22:45:56 +01:00
Jesper Dangaard Brouer
b62eba5632 selftests/bpf: Tests using bpf_check_mtu BPF-helper 
Adding selftest for BPF-helper bpf_check_mtu(). Making sure
it can be used from both XDP and TC.

V16:
 - Fix 'void' function definition

V11:
 - Addresse nitpicks from Andrii Nakryiko

V10:
 - Remove errno non-zero test in CHECK_ATTR()
 - Addresse comments from Andrii Nakryiko

Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/161287791989.790810.13612620012522164562.stgit@firesoul
 2021-02-13 01:15:28 +01:00