blob: 27789a34f5e68e93c60b8e2e3226313e265d7464 [file] [log] [blame]
Alexei Starovoitov249b8122014-12-01 15:06:37 -08001#ifndef __BPF_LOAD_H
2#define __BPF_LOAD_H
3
4#define MAX_MAPS 32
5#define MAX_PROGS 32
6
7extern int map_fd[MAX_MAPS];
8extern int prog_fd[MAX_PROGS];
9
10/* parses elf file compiled by llvm .c->.o
11 * . parses 'maps' section and creates maps via BPF syscall
12 * . parses 'license' section and passes it to syscall
13 * . parses elf relocations for BPF maps and adjusts BPF_LD_IMM64 insns by
14 * storing map_fd into insn->imm and marking such insns as BPF_PSEUDO_MAP_FD
15 * . loads eBPF programs via BPF syscall
16 *
17 * One ELF file can contain multiple BPF programs which will be loaded
18 * and their FDs stored stored in prog_fd array
19 *
20 * returns zero on success
21 */
22int load_bpf_file(char *path);
23
24#endif