1 /* SPDX-License-Identifier: GPL-2.0 */
2
3 #ifndef _BPF_TESTMOD_KFUNC_H
4 #define _BPF_TESTMOD_KFUNC_H
5
6 #ifndef __KERNEL__
7 #include <vmlinux.h>
8 #include <bpf/bpf_helpers.h>
9 #else
10 #define __ksym
11 struct prog_test_member1 {
12 int a;
13 };
14
15 struct prog_test_member {
16 struct prog_test_member1 m;
17 int c;
18 };
19
20 struct prog_test_ref_kfunc {
21 int a;
22 int b;
23 struct prog_test_member memb;
24 struct prog_test_ref_kfunc *next;
25 refcount_t cnt;
26 };
27 #endif
28
29 struct prog_test_pass1 {
30 int x0;
31 struct {
32 int x1;
33 struct {
34 int x2;
35 struct {
36 int x3;
37 };
38 };
39 };
40 };
41
42 struct prog_test_pass2 {
43 int len;
44 short arr1[4];
45 struct {
46 char arr2[4];
47 unsigned long arr3[8];
48 } x;
49 };
50
51 struct prog_test_fail1 {
52 void *p;
53 int x;
54 };
55
56 struct prog_test_fail2 {
57 int x8;
58 struct prog_test_pass1 x;
59 };
60
61 struct prog_test_fail3 {
62 int len;
63 char arr1[2];
64 char arr2[];
65 };
66
67 struct init_sock_args {
68 int af;
69 int type;
70 };
71
72 struct addr_args {
73 char addr[sizeof(struct __kernel_sockaddr_storage)];
74 int addrlen;
75 };
76
77 struct sendmsg_args {
78 struct addr_args addr;
79 char msg[10];
80 int msglen;
81 };
82
83 struct bpf_testmod_ctx {
84 struct callback_head rcu;
85 refcount_t usage;
86 };
87
88 struct prog_test_ref_kfunc *
89 bpf_kfunc_call_test_acquire(unsigned long *scalar_ptr) __ksym;
90 void bpf_kfunc_call_test_release(struct prog_test_ref_kfunc *p) __ksym;
91 void bpf_kfunc_call_test_ref(struct prog_test_ref_kfunc *p) __ksym;
92
93 void bpf_kfunc_call_test_mem_len_pass1(void *mem, int len) __ksym;
94 int *bpf_kfunc_call_test_get_rdwr_mem(struct prog_test_ref_kfunc *p, const int rdwr_buf_size) __ksym;
95 int *bpf_kfunc_call_test_get_rdonly_mem(struct prog_test_ref_kfunc *p, const int rdonly_buf_size) __ksym;
96 int *bpf_kfunc_call_test_acq_rdonly_mem(struct prog_test_ref_kfunc *p, const int rdonly_buf_size) __ksym;
97 void bpf_kfunc_call_int_mem_release(int *p) __ksym;
98
99 /* The bpf_kfunc_call_test_static_unused_arg is defined as static,
100 * but bpf program compilation needs to see it as global symbol.
101 */
102 #ifndef __KERNEL__
103 u32 bpf_kfunc_call_test_static_unused_arg(u32 arg, u32 unused) __ksym;
104 #endif
105
106 void bpf_testmod_test_mod_kfunc(int i) __ksym;
107
108 __u64 bpf_kfunc_call_test1(struct sock *sk, __u32 a, __u64 b,
109 __u32 c, __u64 d) __ksym;
110 int bpf_kfunc_call_test2(struct sock *sk, __u32 a, __u32 b) __ksym;
111 struct sock *bpf_kfunc_call_test3(struct sock *sk) __ksym;
112 long bpf_kfunc_call_test4(signed char a, short b, int c, long d) __ksym;
113
114 void bpf_kfunc_call_test_pass_ctx(struct __sk_buff *skb) __ksym;
115 void bpf_kfunc_call_test_pass1(struct prog_test_pass1 *p) __ksym;
116 void bpf_kfunc_call_test_pass2(struct prog_test_pass2 *p) __ksym;
117 void bpf_kfunc_call_test_mem_len_fail2(__u64 *mem, int len) __ksym;
118
119 void bpf_kfunc_call_test_destructive(void) __ksym;
120 void bpf_kfunc_call_test_sleepable(void) __ksym;
121
122 void bpf_kfunc_call_test_offset(struct prog_test_ref_kfunc *p);
123 struct prog_test_member *bpf_kfunc_call_memb_acquire(void);
124 void bpf_kfunc_call_memb1_release(struct prog_test_member1 *p);
125 void bpf_kfunc_call_test_fail1(struct prog_test_fail1 *p);
126 void bpf_kfunc_call_test_fail2(struct prog_test_fail2 *p);
127 void bpf_kfunc_call_test_fail3(struct prog_test_fail3 *p);
128 void bpf_kfunc_call_test_mem_len_fail1(void *mem, int len);
129
130 void bpf_kfunc_common_test(void) __ksym;
131
132 int bpf_kfunc_init_sock(struct init_sock_args *args) __ksym;
133 void bpf_kfunc_close_sock(void) __ksym;
134 int bpf_kfunc_call_kernel_connect(struct addr_args *args) __ksym;
135 int bpf_kfunc_call_kernel_bind(struct addr_args *args) __ksym;
136 int bpf_kfunc_call_kernel_listen(void) __ksym;
137 int bpf_kfunc_call_kernel_sendmsg(struct sendmsg_args *args) __ksym;
138 int bpf_kfunc_call_sock_sendmsg(struct sendmsg_args *args) __ksym;
139 int bpf_kfunc_call_kernel_getsockname(struct addr_args *args) __ksym;
140 int bpf_kfunc_call_kernel_getpeername(struct addr_args *args) __ksym;
141
142 void bpf_kfunc_dynptr_test(struct bpf_dynptr *ptr, struct bpf_dynptr *ptr__nullable) __ksym;
143
144 struct bpf_testmod_ctx *bpf_testmod_ctx_create(int *err) __ksym;
145 void bpf_testmod_ctx_release(struct bpf_testmod_ctx *ctx) __ksym;
146
147 #endif /* _BPF_TESTMOD_KFUNC_H */
148
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