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sync with latest bpf-next

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Signed-off-by: Yonghong Song <yhs@fb.com>
This commit is contained in:
Yonghong Song
2019-02-15 08:50:10 -08:00
parent 6f9a833985
commit 5beb8a2ebf
3 changed files with 25 additions and 0 deletions
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19
src/libbpf.c
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@@ -1113,6 +1113,20 @@ err_free_new_name:
return -errno;
}
int bpf_map__resize(struct bpf_map *map, __u32 max_entries)
{
if (!map || !max_entries)
return -EINVAL;
/* If map already created, its attributes can't be changed. */
if (map->fd >= 0)
return -EBUSY;
map->def.max_entries = max_entries;
return 0;
}
static int
bpf_object__probe_name(struct bpf_object *obj)
{
@@ -2317,6 +2331,11 @@ unsigned int bpf_object__kversion(struct bpf_object *obj)
return obj ? obj->kern_version : 0;
}
struct btf *bpf_object__btf(struct bpf_object *obj)
{
return obj ? obj->btf : NULL;
}
int bpf_object__btf_fd(const struct bpf_object *obj)
{
return obj->btf ? btf__fd(obj->btf) : -1;