1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
|
// SPDX-License-Identifier: GPL-2.0
#ifndef LINKED_LIST_H
#define LINKED_LIST_H
#include <vmlinux.h>
#include <bpf/bpf_helpers.h>
#include "bpf_experimental.h"
struct bar {
struct bpf_list_node node;
int data;
};
struct foo {
struct bpf_list_node node;
struct bpf_list_head head __contains(bar, node);
struct bpf_spin_lock lock;
int data;
struct bpf_list_node node2;
};
struct map_value {
struct bpf_spin_lock lock;
int data;
struct bpf_list_head head __contains(foo, node);
};
struct array_map {
__uint(type, BPF_MAP_TYPE_ARRAY);
__type(key, int);
__type(value, struct map_value);
__uint(max_entries, 1);
};
struct array_map array_map SEC(".maps");
struct array_map inner_map SEC(".maps");
struct {
__uint(type, BPF_MAP_TYPE_ARRAY_OF_MAPS);
__uint(max_entries, 1);
__type(key, int);
__type(value, int);
__array(values, struct array_map);
} map_of_maps SEC(".maps") = {
.values = {
[0] = &inner_map,
},
};
#define private(name) SEC(".bss." #name) __hidden __attribute__((aligned(8)))
private(A) struct bpf_spin_lock glock;
private(A) struct bpf_list_head ghead __contains(foo, node);
private(B) struct bpf_spin_lock glock2;
#endif
|