| Alexei Starovoitov | 249b812 | 2014-12-01 15:06:37 -0800 | [diff] [blame] | 1 | #ifndef __BPF_LOAD_H |
| 2 | #define __BPF_LOAD_H |
| 3 | |
| 4 | #define MAX_MAPS 32 |
| 5 | #define MAX_PROGS 32 |
| 6 | |
| 7 | extern int map_fd[MAX_MAPS]; |
| 8 | extern 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 | */ |
| 22 | int load_bpf_file(char *path); |
| 23 | |
| 24 | #endif |