35 lines
		
	
	
		
			679 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			35 lines
		
	
	
		
			679 B
		
	
	
	
		
			C
		
	
	
	
	
	
/* SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) */
 | 
						|
#include <linux/bpf.h>
 | 
						|
#include <bpf/bpf_helpers.h>
 | 
						|
 | 
						|
struct {
 | 
						|
	__uint(type, BPF_MAP_TYPE_HASH);
 | 
						|
	__type(key, __u32);
 | 
						|
	__type(value, long);
 | 
						|
	__uint(max_entries, 2);
 | 
						|
} htab SEC(".maps");
 | 
						|
 | 
						|
struct {
 | 
						|
	__uint(type, BPF_MAP_TYPE_ARRAY);
 | 
						|
	__type(key, __u32);
 | 
						|
	__type(value, long);
 | 
						|
	__uint(max_entries, 2);
 | 
						|
} array SEC(".maps");
 | 
						|
 | 
						|
/* Sample program which should always load for testing control paths. */
 | 
						|
SEC(".text") int func()
 | 
						|
{
 | 
						|
	__u64 key64 = 0;
 | 
						|
	__u32 key = 0;
 | 
						|
	long *value;
 | 
						|
 | 
						|
	value = bpf_map_lookup_elem(&htab, &key);
 | 
						|
	if (!value)
 | 
						|
		return 1;
 | 
						|
	value = bpf_map_lookup_elem(&array, &key64);
 | 
						|
	if (!value)
 | 
						|
		return 1;
 | 
						|
 | 
						|
	return 0;
 | 
						|
}
 |