[mirror_ubuntu-bionic-kernel.git] / samples / bpf / bpf_load.h

#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
Commit	Line	Data
249b812d AS	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