Commit f1eead9e authored by Andrii Nakryiko's avatar Andrii Nakryiko Committed by Daniel Borkmann
Browse files

libbpf: Add bpf_program__get_{type, expected_attach_type) APIs 



There are bpf_program__set_type() and
bpf_program__set_expected_attach_type(), but no corresponding getters,
which seems rather incomplete. Fix this.

Signed-off-by: default avatarAndrii Nakryiko <andriin@fb.com>
Signed-off-by: default avatarDaniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20191021033902.3856966-3-andriin@fb.com
parent bc3f2956

tools/lib/bpf/libbpf.c

+11 −0
Original line number Diff line number Diff line
@@ -4463,6 +4463,11 @@ int bpf_program__nth_fd(const struct bpf_program *prog, int n) 
	return fd;

}



enum bpf_prog_type bpf_program__get_type(struct bpf_program *prog)

{

	return prog->type;

}



void bpf_program__set_type(struct bpf_program *prog, enum bpf_prog_type type)

{

	prog->type = type;
@@ -4497,6 +4502,12 @@ BPF_PROG_TYPE_FNS(raw_tracepoint, BPF_PROG_TYPE_RAW_TRACEPOINT); 
BPF_PROG_TYPE_FNS(xdp, BPF_PROG_TYPE_XDP);

BPF_PROG_TYPE_FNS(perf_event, BPF_PROG_TYPE_PERF_EVENT);



enum bpf_attach_type

bpf_program__get_expected_attach_type(struct bpf_program *prog)

{

	return prog->expected_attach_type;

}



void bpf_program__set_expected_attach_type(struct bpf_program *prog,

					   enum bpf_attach_type type)

{

tools/lib/bpf/libbpf.h

+5 −0
Original line number Diff line number Diff line
@@ -302,8 +302,13 @@ LIBBPF_API int bpf_program__set_sched_cls(struct bpf_program *prog); 
LIBBPF_API int bpf_program__set_sched_act(struct bpf_program *prog);

LIBBPF_API int bpf_program__set_xdp(struct bpf_program *prog);

LIBBPF_API int bpf_program__set_perf_event(struct bpf_program *prog);



LIBBPF_API enum bpf_prog_type bpf_program__get_type(struct bpf_program *prog);

LIBBPF_API void bpf_program__set_type(struct bpf_program *prog,

				      enum bpf_prog_type type);



LIBBPF_API enum bpf_attach_type

bpf_program__get_expected_attach_type(struct bpf_program *prog);

LIBBPF_API void

bpf_program__set_expected_attach_type(struct bpf_program *prog,

				      enum bpf_attach_type type);

tools/lib/bpf/libbpf.map

+2 −0
Original line number Diff line number Diff line
@@ -195,4 +195,6 @@ LIBBPF_0.0.6 { 
	global:

		bpf_object__open_file;

		bpf_object__open_mem;

		bpf_program__get_expected_attach_type;

		bpf_program__get_type;

} LIBBPF_0.0.5;

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