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5 Commits

Author SHA1 Message Date
Willem de Bruijn 62511ceadf selftests/bpf: Test new __sk_buff field gso_size 
Analogous to the gso_segs selftests introduced in commit d9ff286a0f
("bpf: allow BPF programs access skb_shared_info->gso_segs field").

Signed-off-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20200303200503.226217-4-willemdebruijn.kernel@gmail.com
 2020-03-03 16:23:59 -08:00
Nikita V. Shirokov 6de6c1f840 bpf: Allow to change skb mark in test_run 
allow to pass skb's mark field into bpf_prog_test_run ctx
for BPF_PROG_TYPE_SCHED_CLS prog type. that would allow
to test bpf programs which are doing decision based on this
field

Signed-off-by: Nikita V. Shirokov <tehnerd@tehnerd.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
 2019-12-18 17:05:58 -08:00
Stanislav Fomichev a06bf42f5a selftests/bpf: Test wire_len/gso_segs in BPF_PROG_TEST_RUN 
Make sure we can pass arbitrary data in wire_len/gso_segs.

Signed-off-by: Stanislav Fomichev <sdf@google.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Link: https://lore.kernel.org/bpf/20191213223028.161282-2-sdf@google.com
 2019-12-13 15:26:53 -08:00
Stanislav Fomichev 95fbda1e37 selftests: bpf: Add selftest for __sk_buff tstamp 
Make sure BPF_PROG_TEST_RUN accepts tstamp and exports any
modifications that BPF program does.

Signed-off-by: Stanislav Fomichev <sdf@google.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Link: https://lore.kernel.org/bpf/20191015183125.124413-2-sdf@google.com
 2019-10-15 16:24:26 -07:00
Stanislav Fomichev 3daf8e703e selftests: bpf: add selftest for __sk_buff context in BPF_PROG_TEST_RUN 
Simple test that sets cb to {1,2,3,4,5} and priority to 6, runs bpf
program that fails if cb is not what we expect and increments cb[i] and
priority. When the test finishes, we check that cb is now {2,3,4,5,6}
and priority is 7.

We also test the sanity checks:
* ctx_in is provided, but ctx_size_in is zero (same for
  ctx_out/ctx_size_out)
* unexpected non-zero fields in __sk_buff return EINVAL

Signed-off-by: Stanislav Fomichev <sdf@google.com>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
 2019-04-11 10:21:41 +02:00