bpf_testmod_kfunc.h

  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
 11struct prog_test_member1 {
 12	int a;
 13};
 14
 15struct prog_test_member {
 16	struct prog_test_member1 m;
 17	int c;
 18};
 19
 20struct 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
 29struct 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
 42struct 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
 51struct prog_test_fail1 {
 52	void *p;
 53	int x;
 54};
 55
 56struct prog_test_fail2 {
 57	int x8;
 58	struct prog_test_pass1 x;
 59};
 60
 61struct prog_test_fail3 {
 62	int len;
 63	char arr1[2];
 64	char arr2[];
 65};
 66
 67struct init_sock_args {
 68	int af;
 69	int type;
 70};
 71
 72struct addr_args {
 73	char addr[sizeof(struct __kernel_sockaddr_storage)];
 74	int addrlen;
 75};
 76
 77struct sendmsg_args {
 78	struct addr_args addr;
 79	char msg[10];
 80	int msglen;
 81};
 82
 83struct bpf_testmod_ctx {
 84	struct callback_head	rcu;
 85	refcount_t		usage;
 86};
 87
 88struct prog_test_ref_kfunc *
 89bpf_kfunc_call_test_acquire(unsigned long *scalar_ptr) __ksym;
 90void bpf_kfunc_call_test_release(struct prog_test_ref_kfunc *p) __ksym;
 91void bpf_kfunc_call_test_ref(struct prog_test_ref_kfunc *p) __ksym;
 92
 93void bpf_kfunc_call_test_mem_len_pass1(void *mem, int len) __ksym;
 94int *bpf_kfunc_call_test_get_rdwr_mem(struct prog_test_ref_kfunc *p, const int rdwr_buf_size) __ksym;
 95int *bpf_kfunc_call_test_get_rdonly_mem(struct prog_test_ref_kfunc *p, const int rdonly_buf_size) __ksym;
 96int *bpf_kfunc_call_test_acq_rdonly_mem(struct prog_test_ref_kfunc *p, const int rdonly_buf_size) __ksym;
 97void 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__
103u32 bpf_kfunc_call_test_static_unused_arg(u32 arg, u32 unused) __ksym;
104#endif
105
106void 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;
110int bpf_kfunc_call_test2(struct sock *sk, __u32 a, __u32 b) __ksym;
111struct sock *bpf_kfunc_call_test3(struct sock *sk) __ksym;
112long bpf_kfunc_call_test4(signed char a, short b, int c, long d) __ksym;
113
114void bpf_kfunc_call_test_pass_ctx(struct __sk_buff *skb) __ksym;
115void bpf_kfunc_call_test_pass1(struct prog_test_pass1 *p) __ksym;
116void bpf_kfunc_call_test_pass2(struct prog_test_pass2 *p) __ksym;
117void bpf_kfunc_call_test_mem_len_fail2(__u64 *mem, int len) __ksym;
118
119void bpf_kfunc_call_test_destructive(void) __ksym;
120void bpf_kfunc_call_test_sleepable(void) __ksym;
121
122void bpf_kfunc_call_test_offset(struct prog_test_ref_kfunc *p);
123struct prog_test_member *bpf_kfunc_call_memb_acquire(void);
124void bpf_kfunc_call_memb1_release(struct prog_test_member1 *p);
125void bpf_kfunc_call_test_fail1(struct prog_test_fail1 *p);
126void bpf_kfunc_call_test_fail2(struct prog_test_fail2 *p);
127void bpf_kfunc_call_test_fail3(struct prog_test_fail3 *p);
128void bpf_kfunc_call_test_mem_len_fail1(void *mem, int len);
129
130void bpf_kfunc_common_test(void) __ksym;
131
132int bpf_kfunc_init_sock(struct init_sock_args *args) __ksym;
133void bpf_kfunc_close_sock(void) __ksym;
134int bpf_kfunc_call_kernel_connect(struct addr_args *args) __ksym;
135int bpf_kfunc_call_kernel_bind(struct addr_args *args) __ksym;
136int bpf_kfunc_call_kernel_listen(void) __ksym;
137int bpf_kfunc_call_kernel_sendmsg(struct sendmsg_args *args) __ksym;
138int bpf_kfunc_call_sock_sendmsg(struct sendmsg_args *args) __ksym;
139int bpf_kfunc_call_kernel_getsockname(struct addr_args *args) __ksym;
140int bpf_kfunc_call_kernel_getpeername(struct addr_args *args) __ksym;
141
142void bpf_kfunc_dynptr_test(struct bpf_dynptr *ptr, struct bpf_dynptr *ptr__nullable) __ksym;
143
144struct bpf_testmod_ctx *bpf_testmod_ctx_create(int *err) __ksym;
145void bpf_testmod_ctx_release(struct bpf_testmod_ctx *ctx) __ksym;
146
147struct sk_buff *bpf_kfunc_nested_acquire_nonzero_offset_test(struct sk_buff_head *ptr) __ksym;
148struct sk_buff *bpf_kfunc_nested_acquire_zero_offset_test(struct sock_common *ptr) __ksym;
149void bpf_kfunc_nested_release_test(struct sk_buff *ptr) __ksym;
150
151struct st_ops_args;
152int bpf_kfunc_st_ops_test_prologue(struct st_ops_args *args) __ksym;
153int bpf_kfunc_st_ops_test_epilogue(struct st_ops_args *args) __ksym;
154int bpf_kfunc_st_ops_test_pro_epilogue(struct st_ops_args *args) __ksym;
155int bpf_kfunc_st_ops_inc10(struct st_ops_args *args) __ksym;
156
157void bpf_kfunc_trusted_vma_test(struct vm_area_struct *ptr) __ksym;
158void bpf_kfunc_trusted_task_test(struct task_struct *ptr) __ksym;
159void bpf_kfunc_trusted_num_test(int *ptr) __ksym;
160void bpf_kfunc_rcu_task_test(struct task_struct *ptr) __ksym;
161struct task_struct *bpf_kfunc_ret_rcu_test(void) __ksym;
162int *bpf_kfunc_ret_rcu_test_nostruct(int rdonly_buf_size) __ksym;
163
164int bpf_kfunc_multi_st_ops_test_1(struct st_ops_args *args, u32 id) __ksym;
165
166#endif /* _BPF_TESTMOD_KFUNC_H */