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libbpf: add support for ctx_{size, }_{in, out} in BPF_PROG_TEST_RUN

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Support recently introduced input/output context for test runs.
We extend only bpf_prog_test_run_xattr. bpf_prog_test_run is
unextendable and left as is.

Signed-off-by: Stanislav Fomichev <sdf@google.com>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
This commit is contained in:
Stanislav Fomichev
2019-04-09 11:49:10 -07:00
committed by yonghong-song
parent ac2254d0ea
commit e2871d1c75
3 changed files with 17 additions and 0 deletions
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src/bpf.h
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@@ -136,6 +136,11 @@ struct bpf_prog_test_run_attr {
* out: length of data_out */
__u32 retval; /* out: return code of the BPF program */
__u32 duration; /* out: average per repetition in ns */
const void *ctx_in; /* optional */
__u32 ctx_size_in;
void *ctx_out; /* optional */
__u32 ctx_size_out; /* in: max length of ctx_out
* out: length of cxt_out */
};
LIBBPF_API int bpf_prog_test_run_xattr(struct bpf_prog_test_run_attr *test_attr);