tools/lib/bpf/bpf.h

   1 /*
   2  * common eBPF ELF operations.
   3  *
   4  * Copyright (C) 2013-2015 Alexei Starovoitov <ast@kernel.org>
   5  * Copyright (C) 2015 Wang Nan <wangnan0@huawei.com>
   6  * Copyright (C) 2015 Huawei Inc.
   7  */
   8 #ifndef __BPF_BPF_H
   9 #define __BPF_BPF_H
  10
  11 #include <linux/bpf.h>
  12
  13 int bpf_create_map(enum bpf_map_type map_type, int key_size, int value_size,
  14                    int max_entries);
  15
  16 /* Recommend log buffer size */
  17 #define BPF_LOG_BUF_SIZE 65536
  18 int bpf_load_program(enum bpf_prog_type type, struct bpf_insn *insns,
  19                      size_t insns_cnt, char *license,
  20                      u32 kern_version, char *log_buf,
  21                      size_t log_buf_sz);
  22
  23 int bpf_map_update_elem(int fd, void *key, void *value,
  24                         u64 flags);
  25 #endif