1e3ed2fefSWang Nan /* 2e3ed2fefSWang Nan * common eBPF ELF operations. 3e3ed2fefSWang Nan * 4e3ed2fefSWang Nan * Copyright (C) 2013-2015 Alexei Starovoitov <ast@kernel.org> 5e3ed2fefSWang Nan * Copyright (C) 2015 Wang Nan <wangnan0@huawei.com> 6e3ed2fefSWang Nan * Copyright (C) 2015 Huawei Inc. 7203d1cacSWang Nan * 8203d1cacSWang Nan * This program is free software; you can redistribute it and/or 9203d1cacSWang Nan * modify it under the terms of the GNU Lesser General Public 10203d1cacSWang Nan * License as published by the Free Software Foundation; 11203d1cacSWang Nan * version 2.1 of the License (not later!) 12203d1cacSWang Nan * 13203d1cacSWang Nan * This program is distributed in the hope that it will be useful, 14203d1cacSWang Nan * but WITHOUT ANY WARRANTY; without even the implied warranty of 15203d1cacSWang Nan * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16203d1cacSWang Nan * GNU Lesser General Public License for more details. 17203d1cacSWang Nan * 18203d1cacSWang Nan * You should have received a copy of the GNU Lesser General Public 19203d1cacSWang Nan * License along with this program; if not, see <http://www.gnu.org/licenses> 20e3ed2fefSWang Nan */ 21e3ed2fefSWang Nan #ifndef __BPF_BPF_H 22e3ed2fefSWang Nan #define __BPF_BPF_H 23e3ed2fefSWang Nan 24e3ed2fefSWang Nan #include <linux/bpf.h> 25*7a5980f9SMickaël Salaün #include <stddef.h> 26e3ed2fefSWang Nan 27e3ed2fefSWang Nan int bpf_create_map(enum bpf_map_type map_type, int key_size, int value_size, 28a5580c7fSJoe Stringer int max_entries, __u32 map_flags); 29e3ed2fefSWang Nan 307bf98369SWang Nan /* Recommend log buffer size */ 317bf98369SWang Nan #define BPF_LOG_BUF_SIZE 65536 327bf98369SWang Nan int bpf_load_program(enum bpf_prog_type type, struct bpf_insn *insns, 337bf98369SWang Nan size_t insns_cnt, char *license, 3483d994d0SJoe Stringer __u32 kern_version, char *log_buf, 357bf98369SWang Nan size_t log_buf_sz); 367bf98369SWang Nan 3743798bf3SHe Kuang int bpf_map_update_elem(int fd, void *key, void *value, 3883d994d0SJoe Stringer __u64 flags); 399742da01SWang Nan 409742da01SWang Nan int bpf_map_lookup_elem(int fd, void *key, void *value); 419742da01SWang Nan int bpf_map_delete_elem(int fd, void *key); 429742da01SWang Nan int bpf_map_get_next_key(int fd, void *key, void *next_key); 439742da01SWang Nan int bpf_obj_pin(int fd, const char *pathname); 449742da01SWang Nan int bpf_obj_get(const char *pathname); 455dc880deSJoe Stringer int bpf_prog_attach(int prog_fd, int attachable_fd, enum bpf_attach_type type); 465dc880deSJoe Stringer int bpf_prog_detach(int attachable_fd, enum bpf_attach_type type); 475dc880deSJoe Stringer 489742da01SWang Nan 49e3ed2fefSWang Nan #endif 50