You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
40 lines
1.1 KiB
40 lines
1.1 KiB
/* SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) */
|
|
#ifndef __BPF_LEGACY__
|
|
#define __BPF_LEGACY__
|
|
|
|
/*
|
|
* legacy bpf_map_def with extra fields supported only by bpf_load(), do not
|
|
* use outside of samples/bpf
|
|
*/
|
|
struct bpf_map_def_legacy {
|
|
unsigned int type;
|
|
unsigned int key_size;
|
|
unsigned int value_size;
|
|
unsigned int max_entries;
|
|
unsigned int map_flags;
|
|
unsigned int inner_map_idx;
|
|
unsigned int numa_node;
|
|
};
|
|
|
|
#define BPF_ANNOTATE_KV_PAIR(name, type_key, type_val) \
|
|
struct ____btf_map_##name { \
|
|
type_key key; \
|
|
type_val value; \
|
|
}; \
|
|
struct ____btf_map_##name \
|
|
__attribute__ ((section(".maps." #name), used)) \
|
|
____btf_map_##name = { }
|
|
|
|
/* llvm builtin functions that eBPF C program may use to
|
|
* emit BPF_LD_ABS and BPF_LD_IND instructions
|
|
*/
|
|
unsigned long long load_byte(void *skb,
|
|
unsigned long long off) asm("llvm.bpf.load.byte");
|
|
unsigned long long load_half(void *skb,
|
|
unsigned long long off) asm("llvm.bpf.load.half");
|
|
unsigned long long load_word(void *skb,
|
|
unsigned long long off) asm("llvm.bpf.load.word");
|
|
|
|
#endif
|
|
|