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| author |   Andrii Nakryiko <andrii@kernel.org> | 2021-12-01 15:28:17 -0800 |
|---|---|---|
| committer |   Alexei Starovoitov <ast@kernel.org> | 2021-12-02 15:23:40 -0800 |
| commit | dbdd2c7f8cec2d09ae0e1bd707ae6050fa1c105f (patch) | |
| tree | fab873c42549773bc8ba52d78a3ce9c32435abae /tools/lib/bpf/libbpf.c | |
| parent | libbpf: Use __u32 fields in bpf_map_create_opts (diff) | |
| download | linux-dev-dbdd2c7f8cec2d09ae0e1bd707ae6050fa1c105f.tar.xz linux-dev-dbdd2c7f8cec2d09ae0e1bd707ae6050fa1c105f.zip | |
libbpf: Add API to get/set log_level at per-program level
Add bpf_program__set_log_level() and bpf_program__log_level() to fetch
and adjust log_level sent during BPF_PROG_LOAD command. This allows to
selectively request more or less verbose output in BPF verifier log.
Also bump libbpf version to 0.7 and make these APIs the first in v0.7.
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20211201232824.3166325-3-andrii@kernel.org
Diffstat (limited to 'tools/lib/bpf/libbpf.c')
| -rw-r--r-- | tools/lib/bpf/libbpf.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c index 1341ce539662..de260c94e418 100644 --- a/tools/lib/bpf/libbpf.c +++ b/tools/lib/bpf/libbpf.c @@ -8475,6 +8475,20 @@ int bpf_program__set_flags(struct bpf_program *prog, __u32 flags) return 0; } +__u32 bpf_program__log_level(const struct bpf_program *prog) +{ + return prog->log_level; +} + +int bpf_program__set_log_level(struct bpf_program *prog, __u32 log_level) +{ + if (prog->obj->loaded) + return libbpf_err(-EBUSY); + + prog->log_level = log_level; + return 0; +} + #define SEC_DEF(sec_pfx, ptype, atype, flags, ...) { \ .sec = sec_pfx, \ .prog_type = BPF_PROG_TYPE_##ptype, \ |