diff options
| author | Martin KaFai Lau <kafai@fb.com> | 2018-05-04 14:49:55 -0700 |
|---|---|---|
| committer | Daniel Borkmann <daniel@iogearbox.net> | 2018-05-09 17:25:14 +0200 |
| commit | cd8b89280c1c843756a2c95ed50a1a6446b42b52 (patch) | |
| tree | 4a1ebb3883364046ca6ae5ebf740f31ac7ba9704 /tools/lib | |
| parent | 7a01f6a3bd695d6d0f993a6df242a73a8b7c28c8 (diff) | |
| download | blackbird-obmc-linux-cd8b89280c1c843756a2c95ed50a1a6446b42b52.tar.gz blackbird-obmc-linux-cd8b89280c1c843756a2c95ed50a1a6446b42b52.zip | |
bpf: btf: Tests for BPF_OBJ_GET_INFO_BY_FD and BPF_BTF_GET_FD_BY_ID
This patch adds test for BPF_BTF_GET_FD_BY_ID and the new
btf_id/btf_key_id/btf_value_id in the "struct bpf_map_info".
It also modifies the existing BPF_OBJ_GET_INFO_BY_FD test
to reflect the new "struct bpf_btf_info".
Signed-off-by: Martin KaFai Lau <kafai@fb.com>
Acked-by: Alexei Starovoitov <ast@fb.com>
Acked-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Diffstat (limited to 'tools/lib')
| -rw-r--r-- | tools/lib/bpf/bpf.c | 10 | ||||
| -rw-r--r-- | tools/lib/bpf/bpf.h | 1 |
2 files changed, 11 insertions, 0 deletions
diff --git a/tools/lib/bpf/bpf.c b/tools/lib/bpf/bpf.c index 76b36cc16e7f..a3a8fb2ac697 100644 --- a/tools/lib/bpf/bpf.c +++ b/tools/lib/bpf/bpf.c @@ -458,6 +458,16 @@ int bpf_map_get_fd_by_id(__u32 id) return sys_bpf(BPF_MAP_GET_FD_BY_ID, &attr, sizeof(attr)); } +int bpf_btf_get_fd_by_id(__u32 id) +{ + union bpf_attr attr; + + bzero(&attr, sizeof(attr)); + attr.btf_id = id; + + return sys_bpf(BPF_BTF_GET_FD_BY_ID, &attr, sizeof(attr)); +} + int bpf_obj_get_info_by_fd(int prog_fd, void *info, __u32 *info_len) { union bpf_attr attr; diff --git a/tools/lib/bpf/bpf.h b/tools/lib/bpf/bpf.h index 553b11ad52b3..fb3a146d92ff 100644 --- a/tools/lib/bpf/bpf.h +++ b/tools/lib/bpf/bpf.h @@ -98,6 +98,7 @@ int bpf_prog_get_next_id(__u32 start_id, __u32 *next_id); int bpf_map_get_next_id(__u32 start_id, __u32 *next_id); int bpf_prog_get_fd_by_id(__u32 id); int bpf_map_get_fd_by_id(__u32 id); +int bpf_btf_get_fd_by_id(__u32 id); int bpf_obj_get_info_by_fd(int prog_fd, void *info, __u32 *info_len); int bpf_prog_query(int target_fd, enum bpf_attach_type type, __u32 query_flags, __u32 *attach_flags, __u32 *prog_ids, __u32 *prog_cnt); |
