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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: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20191021033902.3856966-3-andriin@fb.com
This commit is contained in:
Andrii Nakryiko 2019-10-20 20:38:57 -07:00 committed by Daniel Borkmann
parent bc3f2956f2
commit f1eead9e3c
3 changed files with 18 additions and 0 deletions
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11
tools/lib/bpf/libbpf.c
View File

@ -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)
{

5
tools/lib/bpf/libbpf.h
View File

@ -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);

2
tools/lib/bpf/libbpf.map
View File

@ -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;