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 <ast@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>

1 files changed, 11 insertions, 0 deletions

diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h
index d245c41213ac..58060bec999d 100644
--- a/tools/include/uapi/linux/bpf.h
+++ b/tools/include/uapi/linux/bpf.h
@@ -94,6 +94,7 @@ enum bpf_cmd {
         BPF_MAP_GET_FD_BY_ID,
         BPF_OBJ_GET_INFO_BY_FD,
         BPF_PROG_QUERY,
+        BPF_RAW_TRACEPOINT_OPEN,
 };
 
 enum bpf_map_type {
@@ -134,6 +135,7 @@ enum bpf_prog_type {
         BPF_PROG_TYPE_SK_SKB,
         BPF_PROG_TYPE_CGROUP_DEVICE,
         BPF_PROG_TYPE_SK_MSG,
+        BPF_PROG_TYPE_RAW_TRACEPOINT,
 };
 
 enum bpf_attach_type {
@@ -344,6 +346,11 @@ union bpf_attr {
                 __aligned_u64   prog_ids;
                 __u32           prog_cnt;
         } query;
+
+        struct {
+                __u64 name;
+                __u32 prog_fd;
+        } raw_tracepoint;
 } __attribute__((aligned(8)));
 
 /* BPF helper function descriptions:
@@ -1151,4 +1158,8 @@ struct bpf_cgroup_dev_ctx {
         __u32 minor;
 };
 
+struct bpf_raw_tracepoint_args {
+        __u64 args[0];
+};
+
 #endif /* _UAPI__LINUX_BPF_H__ */