return map;
}
+static u64 bpf_struct_ops_map_mem_usage(const struct bpf_map *map)
+{
+ struct bpf_struct_ops_map *st_map = (struct bpf_struct_ops_map *)map;
+ const struct bpf_struct_ops *st_ops = st_map->st_ops;
+ const struct btf_type *vt = st_ops->value_type;
+ u64 usage;
+
+ usage = sizeof(*st_map) +
+ vt->size - sizeof(struct bpf_struct_ops_value);
+ usage += vt->size;
+ usage += btf_type_vlen(vt) * sizeof(struct bpf_links *);
+ usage += PAGE_SIZE;
+ return usage;
+}
+
BTF_ID_LIST_SINGLE(bpf_struct_ops_map_btf_ids, struct, bpf_struct_ops_map)
const struct bpf_map_ops bpf_struct_ops_map_ops = {
.map_alloc_check = bpf_struct_ops_map_alloc_check,
.map_delete_elem = bpf_struct_ops_map_delete_elem,
.map_update_elem = bpf_struct_ops_map_update_elem,
.map_seq_show_elem = bpf_struct_ops_map_seq_show_elem,
+ .map_mem_usage = bpf_struct_ops_map_mem_usage,
.map_btf_id = &bpf_struct_ops_map_btf_ids[0],
};