diff options
| author | Toke Høiland-Jørgensen <toke@redhat.com> | 2021-04-13 11:16:06 +0200 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2021-04-13 18:18:57 -0700 |
| commit | 441e8c66b23e027c00ccebd70df9fd933918eefe (patch) | |
| tree | a63bbd06a0039e18a5a8f2c972c16e9d47e46f2b /tools/include | |
| parent | db16c1fe92d7ba7d39061faef897842baee2c887 (diff) | |
bpf: Return target info when a tracing bpf_link is queried
There is currently no way to discover the target of a tracing program
attachment after the fact. Add this information to bpf_link_info and return
it when querying the bpf_link fd.
Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20210413091607.58945-1-toke@redhat.com
Diffstat (limited to 'tools/include')
| -rw-r--r-- | tools/include/uapi/linux/bpf.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h index 85c924bc21b1..df164a44bb41 100644 --- a/tools/include/uapi/linux/bpf.h +++ b/tools/include/uapi/linux/bpf.h @@ -5416,6 +5416,8 @@ struct bpf_link_info { } raw_tracepoint; struct { __u32 attach_type; + __u32 target_obj_id; /* prog_id for PROG_EXT, otherwise btf object id */ + __u32 target_btf_id; /* BTF type id inside the object */ } tracing; struct { __u64 cgroup_id; |