| /* SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) */ | 
 | #ifndef __BPF_LEGACY__ | 
 | #define __BPF_LEGACY__ | 
 |  | 
 | #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 | 
 |  |