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libbpf: add bpf_raw_tracepoint_open helper

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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>
This commit is contained in:
Alexei Starovoitov 2018-03-28 12:05:38 -07:00 • committed by Daniel Borkmann
parent c4f6699dfc
commit a0fe3e574b
3 changed files with 23 additions and 0 deletions
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11
tools/include/uapi/linux/bpf.h
View file

@ -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__ */