diff options
Diffstat (limited to 'tools/lib/bpf/libbpf.c')
| -rw-r--r-- | tools/lib/bpf/libbpf.c | 32 |
1 files changed, 31 insertions, 1 deletions
diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c index 1a2c07eb7795..35f6dfcdc565 100644 --- a/tools/lib/bpf/libbpf.c +++ b/tools/lib/bpf/libbpf.c @@ -879,7 +879,8 @@ bpf_object__create_maps(struct bpf_object *obj) size_t j; int err = *pfd; - pr_warning("failed to create map: %s\n", + pr_warning("failed to create map (name: '%s'): %s\n", + obj->maps[i].name, strerror(errno)); for (j = 0; j < i; j++) zclose(obj->maps[j].fd); @@ -1744,3 +1745,32 @@ long libbpf_get_error(const void *ptr) return PTR_ERR(ptr); return 0; } + +int bpf_prog_load(const char *file, enum bpf_prog_type type, + struct bpf_object **pobj, int *prog_fd) +{ + struct bpf_program *prog; + struct bpf_object *obj; + int err; + + obj = bpf_object__open(file); + if (IS_ERR(obj)) + return -ENOENT; + + prog = bpf_program__next(NULL, obj); + if (!prog) { + bpf_object__close(obj); + return -ENOENT; + } + + bpf_program__set_type(prog, type); + err = bpf_object__load(obj); + if (err) { + bpf_object__close(obj); + return -EINVAL; + } + + *pobj = obj; + *prog_fd = bpf_program__fd(prog); + return 0; +} |