mirror of
https://git.proxmox.com/git/mirror_iproute2
synced 2025-10-06 01:49:39 +00:00
4dd3f50af4
Follow-up to kernel commit 6c9059817432 ("bpf: pre-allocate hash map
elements"). Add flags support, so that we can pass in BPF_F_NO_PREALLOC
flag for disallowing preallocation. Update examples accordingly and also
remove the BPF_* map helper macros from them as they were not very useful.
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
41 lines
897 B
C
41 lines
897 B
C
#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_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__ */
|