root/kernel/bpf/map_in_map.h

INCLUDED FROM

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /* Copyright (c) 2017 Facebook
   3  */
   4 #ifndef __MAP_IN_MAP_H__
   5 #define __MAP_IN_MAP_H__
   6 
   7 #include <linux/types.h>
   8 
   9 struct file;
  10 struct bpf_map;
  11 
  12 struct bpf_map *bpf_map_meta_alloc(int inner_map_ufd);
  13 void bpf_map_meta_free(struct bpf_map *map_meta);
  14 bool bpf_map_meta_equal(const struct bpf_map *meta0,
  15                         const struct bpf_map *meta1);
  16 void *bpf_map_fd_get_ptr(struct bpf_map *map, struct file *map_file,
  17                          int ufd);
  18 void bpf_map_fd_put_ptr(void *ptr);
  19 u32 bpf_map_fd_sys_lookup_elem(void *ptr);
  20 
  21 #endif