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 * This program is free software; you can redistribute it and/or
 9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation;
11 * version 2.1 of the License (not later!)
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16 * GNU Lesser General Public License for more details.
17 *
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with this program; if not,  see <http://www.gnu.org/licenses>
20 */
21#ifndef __BPF_BPF_H
22#define __BPF_BPF_H
23
24#include <linux/bpf.h>
25
26int bpf_create_map(enum bpf_map_type map_type, int key_size, int value_size,
27		   int max_entries, __u32 map_flags);
28
29/* Recommend log buffer size */
30#define BPF_LOG_BUF_SIZE 65536
31int bpf_load_program(enum bpf_prog_type type, struct bpf_insn *insns,
32		     size_t insns_cnt, char *license,
33		     __u32 kern_version, char *log_buf,
34		     size_t log_buf_sz);
35
36int bpf_map_update_elem(int fd, void *key, void *value,
37			__u64 flags);
38
39int bpf_map_lookup_elem(int fd, void *key, void *value);
40int bpf_map_delete_elem(int fd, void *key);
41int bpf_map_get_next_key(int fd, void *key, void *next_key);
42int bpf_obj_pin(int fd, const char *pathname);
43int bpf_obj_get(const char *pathname);
44int bpf_prog_attach(int prog_fd, int attachable_fd, enum bpf_attach_type type,
45		    unsigned int flags);
46int bpf_prog_detach(int attachable_fd, enum bpf_attach_type type);
47
48
49#endif