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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.
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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>
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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,
a5580c7f 27 int max_entries, __u32 map_flags);
e3ed2fef 28
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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,
83d994d0 33 __u32 kern_version, char *log_buf,
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34 size_t log_buf_sz);
35
43798bf3 36int bpf_map_update_elem(int fd, void *key, void *value,
83d994d0 37 __u64 flags);
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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);
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44int bpf_prog_attach(int prog_fd, int attachable_fd, enum bpf_attach_type type);
45int bpf_prog_detach(int attachable_fd, enum bpf_attach_type type);
46
9742da01 47
e3ed2fef 48#endif