kernel/bpf/map_in_map.h

   1 /* Copyright (c) 2017 Facebook
   2  *
   3  * This program is free software; you can redistribute it and/or
   4  * modify it under the terms of version 2 of the GNU General Public
   5  * License as published by the Free Software Foundation.
   6  */
   7 #ifndef __MAP_IN_MAP_H__
   8 #define __MAP_IN_MAP_H__
   9
  10 #include <linux/types.h>
  11
  12 struct file;
  13 struct bpf_map;
  14
  15 struct bpf_map *bpf_map_meta_alloc(int inner_map_ufd);
  16 void bpf_map_meta_free(struct bpf_map *map_meta);
  17 bool bpf_map_meta_equal(const struct bpf_map *meta0,
  18                         const struct bpf_map *meta1);
  19 void *bpf_map_fd_get_ptr(struct bpf_map *map, struct file *map_file,
  20                          int ufd);
  21 void bpf_map_fd_put_ptr(void *ptr);
  22 u32 bpf_map_fd_sys_lookup_elem(void *ptr);
  23
  24 #endif