diff options
| author | Andrii Nakryiko <andrii@kernel.org> | 2023-04-07 02:42:02 +0300 |
|---|---|---|
| committer | Daniel Borkmann <daniel@iogearbox.net> | 2023-04-11 19:05:44 +0300 |
| commit | 097d8002b754a865beef880e5c1cdc3ef7c2163d (patch) | |
| tree | 609cf96cab2c86e69daf87254020851a03811012 /tools/lib/bpf/bpf.c | |
| parent | 94e55c0fdaf4268bdda2d3b375bc61daba056e85 (diff) | |
| download | linux-097d8002b754a865beef880e5c1cdc3ef7c2163d.tar.xz | |
libbpf: Wire through log_true_size for bpf_btf_load() API
Similar to what we did for bpf_prog_load() in previous patch, wire
returning of log_true_size value from kernel back to the user through
OPTS out field.
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20230406234205.323208-17-andrii@kernel.org
Diffstat (limited to 'tools/lib/bpf/bpf.c')
| -rw-r--r-- | tools/lib/bpf/bpf.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/tools/lib/bpf/bpf.c b/tools/lib/bpf/bpf.c index a031de0a707a..128ac723c4ea 100644 --- a/tools/lib/bpf/bpf.c +++ b/tools/lib/bpf/bpf.c @@ -1083,9 +1083,9 @@ int bpf_raw_tracepoint_open(const char *name, int prog_fd) return libbpf_err_errno(fd); } -int bpf_btf_load(const void *btf_data, size_t btf_size, const struct bpf_btf_load_opts *opts) +int bpf_btf_load(const void *btf_data, size_t btf_size, struct bpf_btf_load_opts *opts) { - const size_t attr_sz = offsetofend(union bpf_attr, btf_log_level); + const size_t attr_sz = offsetofend(union bpf_attr, btf_log_true_size); union bpf_attr attr; char *log_buf; size_t log_size; @@ -1128,6 +1128,8 @@ int bpf_btf_load(const void *btf_data, size_t btf_size, const struct bpf_btf_loa attr.btf_log_level = 1; fd = sys_bpf_fd(BPF_BTF_LOAD, &attr, attr_sz); } + + OPTS_SET(opts, log_true_size, attr.btf_log_true_size); return libbpf_err_errno(fd); } |