mirror/libbpf
1
0
Fork 0
mirror of https://github.com/netdata/libbpf.git synced 2026-03-31 05:39:06 +08:00
Code Issues Packages Projects Releases Wiki Activity

sync with latest bpf-next

Browse Source 
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
Download Patch File Download Diff File Expand all files Collapse all files

19
src/libbpf.c
View File

@@ -1113,6 +1113,20 @@ err_free_new_name:
return -errno; 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 static int
bpf_object__probe_name(struct bpf_object *obj) 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; 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) int bpf_object__btf_fd(const struct bpf_object *obj)
{ {
return obj->btf ? btf__fd(obj->btf) : -1; return obj->btf ? btf__fd(obj->btf) : -1;

4
src/libbpf.h
View File

@@ -89,6 +89,9 @@ LIBBPF_API int bpf_object__load(struct bpf_object *obj);
LIBBPF_API int bpf_object__unload(struct bpf_object *obj); LIBBPF_API int bpf_object__unload(struct bpf_object *obj);
LIBBPF_API const char *bpf_object__name(struct bpf_object *obj); LIBBPF_API const char *bpf_object__name(struct bpf_object *obj);
LIBBPF_API unsigned int bpf_object__kversion(struct bpf_object *obj); LIBBPF_API unsigned int bpf_object__kversion(struct bpf_object *obj);
struct btf;
LIBBPF_API struct btf *bpf_object__btf(struct bpf_object *obj);
LIBBPF_API int bpf_object__btf_fd(const struct bpf_object *obj); LIBBPF_API int bpf_object__btf_fd(const struct bpf_object *obj);
LIBBPF_API struct bpf_program * LIBBPF_API struct bpf_program *
@@ -294,6 +297,7 @@ LIBBPF_API int bpf_map__set_priv(struct bpf_map *map, void *priv,
bpf_map_clear_priv_t clear_priv); bpf_map_clear_priv_t clear_priv);
LIBBPF_API void *bpf_map__priv(struct bpf_map *map); LIBBPF_API void *bpf_map__priv(struct bpf_map *map);
LIBBPF_API int bpf_map__reuse_fd(struct bpf_map *map, int fd); LIBBPF_API int bpf_map__reuse_fd(struct bpf_map *map, int fd);
LIBBPF_API int bpf_map__resize(struct bpf_map *map, __u32 max_entries);
LIBBPF_API bool bpf_map__is_offload_neutral(struct bpf_map *map); LIBBPF_API bool bpf_map__is_offload_neutral(struct bpf_map *map);
LIBBPF_API void bpf_map__set_ifindex(struct bpf_map *map, __u32 ifindex); LIBBPF_API void bpf_map__set_ifindex(struct bpf_map *map, __u32 ifindex);
LIBBPF_API int bpf_map__pin(struct bpf_map *map, const char *path); LIBBPF_API int bpf_map__pin(struct bpf_map *map, const char *path);

2
src/libbpf.map
View File

@@ -130,7 +130,9 @@ LIBBPF_0.0.2 {
bpf_probe_helper; bpf_probe_helper;
bpf_probe_map_type; bpf_probe_map_type;
bpf_probe_prog_type; bpf_probe_prog_type;
bpf_map__resize;
bpf_map_lookup_elem_flags; bpf_map_lookup_elem_flags;
bpf_object__btf;
bpf_object__find_map_fd_by_name; bpf_object__find_map_fd_by_name;
bpf_get_link_xdp_id; bpf_get_link_xdp_id;
btf__dedup; btf__dedup;