diff options
| author | Alexei Starovoitov <[email protected]> | 2018-03-28 19:05:38 +0000 |
|---|---|---|
| committer | Daniel Borkmann <[email protected]> | 2018-03-28 20:55:19 +0000 |
| commit | a0fe3e574b50461c4811ce81811f0eaefda62871 (patch) | |
| tree | 5bb54d6a41ea191ac880d30d96b26542210a2deb /tools/lib/bpf/bpf.c | |
| parent | bpf: introduce BPF_RAW_TRACEPOINT (diff) | |
| download | kernel-a0fe3e574b50461c4811ce81811f0eaefda62871.tar.gz kernel-a0fe3e574b50461c4811ce81811f0eaefda62871.zip | |
libbpf: add bpf_raw_tracepoint_open helper
add bpf_raw_tracepoint_open(const char *name, int prog_fd) api to libbpf
Signed-off-by: Alexei Starovoitov <[email protected]>
Signed-off-by: Daniel Borkmann <[email protected]>
Diffstat (limited to 'tools/lib/bpf/bpf.c')
| -rw-r--r-- | tools/lib/bpf/bpf.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/tools/lib/bpf/bpf.c b/tools/lib/bpf/bpf.c index 592a58a2b681..e0500055f1a6 100644 --- a/tools/lib/bpf/bpf.c +++ b/tools/lib/bpf/bpf.c @@ -428,6 +428,17 @@ int bpf_obj_get_info_by_fd(int prog_fd, void *info, __u32 *info_len) return err; } +int bpf_raw_tracepoint_open(const char *name, int prog_fd) +{ + union bpf_attr attr; + + bzero(&attr, sizeof(attr)); + attr.raw_tracepoint.name = ptr_to_u64(name); + attr.raw_tracepoint.prog_fd = prog_fd; + + return sys_bpf(BPF_RAW_TRACEPOINT_OPEN, &attr, sizeof(attr)); +} + int bpf_set_link_xdp_fd(int ifindex, int fd, __u32 flags) { struct sockaddr_nl sa; |