[mirror_iproute2.git] / include / bpf_elf.h

#ifndef __BPF_ELF__
#define __BPF_ELF__

#include <asm/types.h>

/* Note:
 *
 * Below ELF section names and bpf_elf_map structure definition
 * are not (!) kernel ABI. It's rather a "contract" between the
 * application and the BPF loader in tc. For compatibility, the
 * section names should stay as-is. Introduction of aliases, if
 * needed, are a possibility, though.
 */

/* ELF section names, etc */
#define ELF_SECTION_LICENSE	"license"
#define ELF_SECTION_MAPS	"maps"
#define ELF_SECTION_PROG	"prog"
#define ELF_SECTION_CLASSIFIER	"classifier"
#define ELF_SECTION_ACTION	"action"

#define ELF_MAX_MAPS		64
#define ELF_MAX_LICENSE_LEN	128

/* Object pinning settings */
#define PIN_NONE		0
#define PIN_OBJECT_NS		1
#define PIN_GLOBAL_NS		2

/* ELF map definition */
struct bpf_elf_map {
	__u32 type;
	__u32 size_key;
	__u32 size_value;
	__u32 max_elem;
	__u32 flags;
	__u32 id;
	__u32 pinning;
};

#endif /* __BPF_ELF__ */
Commit	Line	Data
6256f8c9 DB	1	#ifndef __BPF_ELF__
	2	#define __BPF_ELF__
	3
	4	#include <asm/types.h>
	5
	6	/* Note:
	7	*
	8	* Below ELF section names and bpf_elf_map structure definition
	9	* are not (!) kernel ABI. It's rather a "contract" between the
	10	* application and the BPF loader in tc. For compatibility, the
	11	* section names should stay as-is. Introduction of aliases, if
	12	* needed, are a possibility, though.
	13	*/
	14
	15	/* ELF section names, etc */
	16	#define ELF_SECTION_LICENSE "license"
	17	#define ELF_SECTION_MAPS "maps"
c7272ca7	18	#define ELF_SECTION_PROG "prog"
6256f8c9 DB	19	#define ELF_SECTION_CLASSIFIER "classifier"
	20	#define ELF_SECTION_ACTION "action"
	21
	22	#define ELF_MAX_MAPS 64
	23	#define ELF_MAX_LICENSE_LEN 128
	24
32e93fb7 DB	25	/* Object pinning settings */
	26	#define PIN_NONE 0
	27	#define PIN_OBJECT_NS 1
	28	#define PIN_GLOBAL_NS 2
	29
6256f8c9 DB	30	/* ELF map definition */
	31	struct bpf_elf_map {
	32	__u32 type;
	33	__u32 size_key;
	34	__u32 size_value;
	35	__u32 max_elem;
4dd3f50a	36	__u32 flags;
6256f8c9	37	__u32 id;
f6793eec	38	__u32 pinning;
6256f8c9 DB	39	};
	40
	41	#endif /* __BPF_ELF__ */