#ifndef __BPF_LOAD_H #define __BPF_LOAD_H #define MAX_MAPS 32 #define MAX_PROGS 32 extern int map_fd[MAX_MAPS]; extern int prog_fd[MAX_PROGS]; /* parses elf file compiled by llvm .c->.o * . parses 'maps' section and creates maps via BPF syscall * . parses 'license' section and passes it to syscall * . parses elf relocations for BPF maps and adjusts BPF_LD_IMM64 insns by * storing map_fd into insn->imm and marking such insns as BPF_PSEUDO_MAP_FD * . loads eBPF programs via BPF syscall * * One ELF file can contain multiple BPF programs which will be loaded * and their FDs stored stored in prog_fd array * * returns zero on success */ int load_bpf_file(char *path); #endif