int map_ifindex;
int inner_map_fd;
struct bpf_map_def def;
+ __u32 numa_node;
__u32 btf_var_idx;
__u32 btf_key_type_id;
__u32 btf_value_type_id;
return -EINVAL;
pr_debug("map '%s': found map_flags = %u.\n",
map->name, map->def.map_flags);
+ } else if (strcmp(name, "numa_node") == 0) {
+ if (!get_map_field_int(map->name, obj->btf, m, &map->numa_node))
+ return -EINVAL;
+ pr_debug("map '%s': found numa_node = %u.\n", map->name, map->numa_node);
} else if (strcmp(name, "key_size") == 0) {
__u32 sz;
return err;
}
-int bpf_map__resize(struct bpf_map *map, __u32 max_entries)
+__u32 bpf_map__max_entries(const struct bpf_map *map)
{
- if (!map || !max_entries)
- return -EINVAL;
+ return map->def.max_entries;
+}
- /* If map already created, its attributes can't be changed. */
+int bpf_map__set_max_entries(struct bpf_map *map, __u32 max_entries)
+{
if (map->fd >= 0)
return -EBUSY;
-
map->def.max_entries = max_entries;
-
return 0;
}
+int bpf_map__resize(struct bpf_map *map, __u32 max_entries)
+{
+ if (!map || !max_entries)
+ return -EINVAL;
+
+ return bpf_map__set_max_entries(map, max_entries);
+}
+
static int
bpf_object__probe_loading(struct bpf_object *obj)
{
create_attr.map_flags = def->map_flags;
create_attr.key_size = def->key_size;
create_attr.value_size = def->value_size;
+ create_attr.numa_node = map->numa_node;
if (def->type == BPF_MAP_TYPE_PERF_EVENT_ARRAY && !def->max_entries) {
int nr_cpus;
return map ? map->name : NULL;
}
+enum bpf_map_type bpf_map__type(const struct bpf_map *map)
+{
+ return map->def.type;
+}
+
+int bpf_map__set_type(struct bpf_map *map, enum bpf_map_type type)
+{
+ if (map->fd >= 0)
+ return -EBUSY;
+ map->def.type = type;
+ return 0;
+}
+
+__u32 bpf_map__map_flags(const struct bpf_map *map)
+{
+ return map->def.map_flags;
+}
+
+int bpf_map__set_map_flags(struct bpf_map *map, __u32 flags)
+{
+ if (map->fd >= 0)
+ return -EBUSY;
+ map->def.map_flags = flags;
+ return 0;
+}
+
+__u32 bpf_map__numa_node(const struct bpf_map *map)
+{
+ return map->numa_node;
+}
+
+int bpf_map__set_numa_node(struct bpf_map *map, __u32 numa_node)
+{
+ if (map->fd >= 0)
+ return -EBUSY;
+ map->numa_node = numa_node;
+ return 0;
+}
+
+__u32 bpf_map__key_size(const struct bpf_map *map)
+{
+ return map->def.key_size;
+}
+
+int bpf_map__set_key_size(struct bpf_map *map, __u32 size)
+{
+ if (map->fd >= 0)
+ return -EBUSY;
+ map->def.key_size = size;
+ return 0;
+}
+
+__u32 bpf_map__value_size(const struct bpf_map *map)
+{
+ return map->def.value_size;
+}
+
+int bpf_map__set_value_size(struct bpf_map *map, __u32 size)
+{
+ if (map->fd >= 0)
+ return -EBUSY;
+ map->def.value_size = size;
+ return 0;
+}
+
__u32 bpf_map__btf_key_type_id(const struct bpf_map *map)
{
return map ? map->btf_key_type_id : 0;
return map->libbpf_type != LIBBPF_MAP_UNSPEC;
}
-void bpf_map__set_ifindex(struct bpf_map *map, __u32 ifindex)
+__u32 bpf_map__ifindex(const struct bpf_map *map)
+{
+ return map->map_ifindex;
+}
+
+int bpf_map__set_ifindex(struct bpf_map *map, __u32 ifindex)
{
+ if (map->fd >= 0)
+ return -EBUSY;
map->map_ifindex = ifindex;
+ return 0;
}
int bpf_map__set_inner_map_fd(struct bpf_map *map, int fd)
LIBBPF_API struct bpf_map *
bpf_map__prev(const struct bpf_map *map, const struct bpf_object *obj);
+/* get/set map FD */
LIBBPF_API int bpf_map__fd(const struct bpf_map *map);
+LIBBPF_API int bpf_map__reuse_fd(struct bpf_map *map, int fd);
+/* get map definition */
LIBBPF_API const struct bpf_map_def *bpf_map__def(const struct bpf_map *map);
+/* get map name */
LIBBPF_API const char *bpf_map__name(const struct bpf_map *map);
+/* get/set map type */
+LIBBPF_API enum bpf_map_type bpf_map__type(const struct bpf_map *map);
+LIBBPF_API int bpf_map__set_type(struct bpf_map *map, enum bpf_map_type type);
+/* get/set map size (max_entries) */
+LIBBPF_API __u32 bpf_map__max_entries(const struct bpf_map *map);
+LIBBPF_API int bpf_map__set_max_entries(struct bpf_map *map, __u32 max_entries);
+LIBBPF_API int bpf_map__resize(struct bpf_map *map, __u32 max_entries);
+/* get/set map flags */
+LIBBPF_API __u32 bpf_map__map_flags(const struct bpf_map *map);
+LIBBPF_API int bpf_map__set_map_flags(struct bpf_map *map, __u32 flags);
+/* get/set map NUMA node */
+LIBBPF_API __u32 bpf_map__numa_node(const struct bpf_map *map);
+LIBBPF_API int bpf_map__set_numa_node(struct bpf_map *map, __u32 numa_node);
+/* get/set map key size */
+LIBBPF_API __u32 bpf_map__key_size(const struct bpf_map *map);
+LIBBPF_API int bpf_map__set_key_size(struct bpf_map *map, __u32 size);
+/* get/set map value size */
+LIBBPF_API __u32 bpf_map__value_size(const struct bpf_map *map);
+LIBBPF_API int bpf_map__set_value_size(struct bpf_map *map, __u32 size);
+/* get map key/value BTF type IDs */
LIBBPF_API __u32 bpf_map__btf_key_type_id(const struct bpf_map *map);
LIBBPF_API __u32 bpf_map__btf_value_type_id(const struct bpf_map *map);
+/* get/set map if_index */
+LIBBPF_API __u32 bpf_map__ifindex(const struct bpf_map *map);
+LIBBPF_API int bpf_map__set_ifindex(struct bpf_map *map, __u32 ifindex);
typedef void (*bpf_map_clear_priv_t)(struct bpf_map *, void *);
LIBBPF_API int bpf_map__set_priv(struct bpf_map *map, void *priv,
LIBBPF_API void *bpf_map__priv(const struct bpf_map *map);
LIBBPF_API int bpf_map__set_initial_value(struct bpf_map *map,
const void *data, size_t size);
-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(const struct bpf_map *map);
LIBBPF_API bool bpf_map__is_internal(const struct bpf_map *map);
-LIBBPF_API void bpf_map__set_ifindex(struct bpf_map *map, __u32 ifindex);
LIBBPF_API int bpf_map__set_pin_path(struct bpf_map *map, const char *path);
LIBBPF_API const char *bpf_map__get_pin_path(const struct bpf_map *map);
LIBBPF_API bool bpf_map__is_pinned(const struct bpf_map *map);