Commit | Line | Data |
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e3ed2fef WN |
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. | |
203d1cac WN |
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> | |
e3ed2fef WN |
20 | */ |
21 | #ifndef __BPF_BPF_H | |
22 | #define __BPF_BPF_H | |
23 | ||
24 | #include <linux/bpf.h> | |
7a5980f9 | 25 | #include <stddef.h> |
e3ed2fef | 26 | |
88cda1c9 MKL |
27 | int bpf_create_map_node(enum bpf_map_type map_type, const char *name, |
28 | int key_size, int value_size, int max_entries, | |
29 | __u32 map_flags, int node); | |
30 | int bpf_create_map_name(enum bpf_map_type map_type, const char *name, | |
31 | int key_size, int value_size, int max_entries, | |
32 | __u32 map_flags); | |
e3ed2fef | 33 | int bpf_create_map(enum bpf_map_type map_type, int key_size, int value_size, |
a5580c7f | 34 | int max_entries, __u32 map_flags); |
88cda1c9 MKL |
35 | int bpf_create_map_in_map_node(enum bpf_map_type map_type, const char *name, |
36 | int key_size, int inner_map_fd, int max_entries, | |
ad17d0e6 | 37 | __u32 map_flags, int node); |
88cda1c9 MKL |
38 | int bpf_create_map_in_map(enum bpf_map_type map_type, const char *name, |
39 | int key_size, int inner_map_fd, int max_entries, | |
40 | __u32 map_flags); | |
e3ed2fef | 41 | |
7bf98369 WN |
42 | /* Recommend log buffer size */ |
43 | #define BPF_LOG_BUF_SIZE 65536 | |
88cda1c9 MKL |
44 | int bpf_load_program_name(enum bpf_prog_type type, const char *name, |
45 | const struct bpf_insn *insns, | |
46 | size_t insns_cnt, const char *license, | |
47 | __u32 kern_version, char *log_buf, | |
48 | size_t log_buf_sz); | |
2ee89fb9 MS |
49 | int bpf_load_program(enum bpf_prog_type type, const struct bpf_insn *insns, |
50 | size_t insns_cnt, const char *license, | |
83d994d0 | 51 | __u32 kern_version, char *log_buf, |
7bf98369 | 52 | size_t log_buf_sz); |
91045f5e DM |
53 | int bpf_verify_program(enum bpf_prog_type type, const struct bpf_insn *insns, |
54 | size_t insns_cnt, int strict_alignment, | |
55 | const char *license, __u32 kern_version, | |
d6554904 | 56 | char *log_buf, size_t log_buf_sz, int log_level); |
7bf98369 | 57 | |
10ecc728 | 58 | int bpf_map_update_elem(int fd, const void *key, const void *value, |
83d994d0 | 59 | __u64 flags); |
9742da01 | 60 | |
e5ff7c40 | 61 | int bpf_map_lookup_elem(int fd, const void *key, void *value); |
e58383b8 | 62 | int bpf_map_delete_elem(int fd, const void *key); |
5f155c25 | 63 | int bpf_map_get_next_key(int fd, const void *key, void *next_key); |
9742da01 WN |
64 | int bpf_obj_pin(int fd, const char *pathname); |
65 | int bpf_obj_get(const char *pathname); | |
7f677633 AS |
66 | int bpf_prog_attach(int prog_fd, int attachable_fd, enum bpf_attach_type type, |
67 | unsigned int flags); | |
5dc880de | 68 | int bpf_prog_detach(int attachable_fd, enum bpf_attach_type type); |
244d20ef | 69 | int bpf_prog_detach2(int prog_fd, int attachable_fd, enum bpf_attach_type type); |
30848873 AS |
70 | int bpf_prog_test_run(int prog_fd, int repeat, void *data, __u32 size, |
71 | void *data_out, __u32 *size_out, __u32 *retval, | |
72 | __u32 *duration); | |
95b9afd3 MKL |
73 | int bpf_prog_get_next_id(__u32 start_id, __u32 *next_id); |
74 | int bpf_map_get_next_id(__u32 start_id, __u32 *next_id); | |
75 | int bpf_prog_get_fd_by_id(__u32 id); | |
76 | int bpf_map_get_fd_by_id(__u32 id); | |
77 | int bpf_obj_get_info_by_fd(int prog_fd, void *info, __u32 *info_len); | |
9742da01 | 78 | |
e3ed2fef | 79 | #endif |