1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _BPF_CGROUP_H
3 #define _BPF_CGROUP_H
4
5 #include <linux/bpf.h>
6 #include <linux/bpf-cgroup-defs.h>
7 #include <linux/errno.h>
8 #include <linux/jump_label.h>
9 #include <linux/percpu.h>
10 #include <linux/rbtree.h>
11 #include <net/sock.h>
12 #include <uapi/linux/bpf.h>
13
14 struct sock;
15 struct sockaddr;
16 struct cgroup;
17 struct sk_buff;
18 struct bpf_map;
19 struct bpf_prog;
20 struct bpf_sock_ops_kern;
21 struct bpf_cgroup_storage;
22 struct ctl_table;
23 struct ctl_table_header;
24 struct task_struct;
25
26 unsigned int __cgroup_bpf_run_lsm_sock(const void *ctx,
27 const struct bpf_insn *insn);
28 unsigned int __cgroup_bpf_run_lsm_socket(const void *ctx,
29 const struct bpf_insn *insn);
30 unsigned int __cgroup_bpf_run_lsm_current(const void *ctx,
31 const struct bpf_insn *insn);
32
33 #ifdef CONFIG_CGROUP_BPF
34
35 #define CGROUP_ATYPE(type) \
36 case BPF_##type: return type
37
38 static inline enum cgroup_bpf_attach_type
to_cgroup_bpf_attach_type(enum bpf_attach_type attach_type)39 to_cgroup_bpf_attach_type(enum bpf_attach_type attach_type)
40 {
41 switch (attach_type) {
42 CGROUP_ATYPE(CGROUP_INET_INGRESS);
43 CGROUP_ATYPE(CGROUP_INET_EGRESS);
44 CGROUP_ATYPE(CGROUP_INET_SOCK_CREATE);
45 CGROUP_ATYPE(CGROUP_SOCK_OPS);
46 CGROUP_ATYPE(CGROUP_DEVICE);
47 CGROUP_ATYPE(CGROUP_INET4_BIND);
48 CGROUP_ATYPE(CGROUP_INET6_BIND);
49 CGROUP_ATYPE(CGROUP_INET4_CONNECT);
50 CGROUP_ATYPE(CGROUP_INET6_CONNECT);
51 CGROUP_ATYPE(CGROUP_INET4_POST_BIND);
52 CGROUP_ATYPE(CGROUP_INET6_POST_BIND);
53 CGROUP_ATYPE(CGROUP_UDP4_SENDMSG);
54 CGROUP_ATYPE(CGROUP_UDP6_SENDMSG);
55 CGROUP_ATYPE(CGROUP_SYSCTL);
56 CGROUP_ATYPE(CGROUP_UDP4_RECVMSG);
57 CGROUP_ATYPE(CGROUP_UDP6_RECVMSG);
58 CGROUP_ATYPE(CGROUP_GETSOCKOPT);
59 CGROUP_ATYPE(CGROUP_SETSOCKOPT);
60 CGROUP_ATYPE(CGROUP_INET4_GETPEERNAME);
61 CGROUP_ATYPE(CGROUP_INET6_GETPEERNAME);
62 CGROUP_ATYPE(CGROUP_INET4_GETSOCKNAME);
63 CGROUP_ATYPE(CGROUP_INET6_GETSOCKNAME);
64 CGROUP_ATYPE(CGROUP_INET_SOCK_RELEASE);
65 default:
66 return CGROUP_BPF_ATTACH_TYPE_INVALID;
67 }
68 }
69
70 #undef CGROUP_ATYPE
71
72 extern struct static_key_false cgroup_bpf_enabled_key[MAX_CGROUP_BPF_ATTACH_TYPE];
73 #define cgroup_bpf_enabled(atype) static_branch_unlikely(&cgroup_bpf_enabled_key[atype])
74
75 #define for_each_cgroup_storage_type(stype) \
76 for (stype = 0; stype < MAX_BPF_CGROUP_STORAGE_TYPE; stype++)
77
78 struct bpf_cgroup_storage_map;
79
80 struct bpf_storage_buffer {
81 struct rcu_head rcu;
82 char data[];
83 };
84
85 struct bpf_cgroup_storage {
86 union {
87 struct bpf_storage_buffer *buf;
88 void __percpu *percpu_buf;
89 };
90 struct bpf_cgroup_storage_map *map;
91 struct bpf_cgroup_storage_key key;
92 struct list_head list_map;
93 struct list_head list_cg;
94 struct rb_node node;
95 struct rcu_head rcu;
96 };
97
98 struct bpf_cgroup_link {
99 struct bpf_link link;
100 struct cgroup *cgroup;
101 enum bpf_attach_type type;
102 };
103
104 struct bpf_prog_list {
105 struct hlist_node node;
106 struct bpf_prog *prog;
107 struct bpf_cgroup_link *link;
108 struct bpf_cgroup_storage *storage[MAX_BPF_CGROUP_STORAGE_TYPE];
109 };
110
111 int cgroup_bpf_inherit(struct cgroup *cgrp);
112 void cgroup_bpf_offline(struct cgroup *cgrp);
113
114 int __cgroup_bpf_run_filter_skb(struct sock *sk,
115 struct sk_buff *skb,
116 enum cgroup_bpf_attach_type atype);
117
118 int __cgroup_bpf_run_filter_sk(struct sock *sk,
119 enum cgroup_bpf_attach_type atype);
120
121 int __cgroup_bpf_run_filter_sock_addr(struct sock *sk,
122 struct sockaddr *uaddr,
123 int *uaddrlen,
124 enum cgroup_bpf_attach_type atype,
125 void *t_ctx,
126 u32 *flags);
127
128 int __cgroup_bpf_run_filter_sock_ops(struct sock *sk,
129 struct bpf_sock_ops_kern *sock_ops,
130 enum cgroup_bpf_attach_type atype);
131
132 int __cgroup_bpf_check_dev_permission(short dev_type, u32 major, u32 minor,
133 short access, enum cgroup_bpf_attach_type atype);
134
135 int __cgroup_bpf_run_filter_sysctl(struct ctl_table_header *head,
136 struct ctl_table *table, int write,
137 char **buf, size_t *pcount, loff_t *ppos,
138 enum cgroup_bpf_attach_type atype);
139
140 int __cgroup_bpf_run_filter_setsockopt(struct sock *sock, int *level,
141 int *optname, char __user *optval,
142 int *optlen, char **kernel_optval);
143 int __cgroup_bpf_run_filter_getsockopt(struct sock *sk, int level,
144 int optname, char __user *optval,
145 int __user *optlen, int max_optlen,
146 int retval);
147
148 int __cgroup_bpf_run_filter_getsockopt_kern(struct sock *sk, int level,
149 int optname, void *optval,
150 int *optlen, int retval);
151
cgroup_storage_type(struct bpf_map * map)152 static inline enum bpf_cgroup_storage_type cgroup_storage_type(
153 struct bpf_map *map)
154 {
155 if (map->map_type == BPF_MAP_TYPE_PERCPU_CGROUP_STORAGE)
156 return BPF_CGROUP_STORAGE_PERCPU;
157
158 return BPF_CGROUP_STORAGE_SHARED;
159 }
160
161 struct bpf_cgroup_storage *
162 cgroup_storage_lookup(struct bpf_cgroup_storage_map *map,
163 void *key, bool locked);
164 struct bpf_cgroup_storage *bpf_cgroup_storage_alloc(struct bpf_prog *prog,
165 enum bpf_cgroup_storage_type stype);
166 void bpf_cgroup_storage_free(struct bpf_cgroup_storage *storage);
167 void bpf_cgroup_storage_link(struct bpf_cgroup_storage *storage,
168 struct cgroup *cgroup,
169 enum bpf_attach_type type);
170 void bpf_cgroup_storage_unlink(struct bpf_cgroup_storage *storage);
171 int bpf_cgroup_storage_assign(struct bpf_prog_aux *aux, struct bpf_map *map);
172
173 int bpf_percpu_cgroup_storage_copy(struct bpf_map *map, void *key, void *value);
174 int bpf_percpu_cgroup_storage_update(struct bpf_map *map, void *key,
175 void *value, u64 flags);
176
177 /* Opportunistic check to see whether we have any BPF program attached*/
cgroup_bpf_sock_enabled(struct sock * sk,enum cgroup_bpf_attach_type type)178 static inline bool cgroup_bpf_sock_enabled(struct sock *sk,
179 enum cgroup_bpf_attach_type type)
180 {
181 struct cgroup *cgrp = sock_cgroup_ptr(&sk->sk_cgrp_data);
182 struct bpf_prog_array *array;
183
184 array = rcu_access_pointer(cgrp->bpf.effective[type]);
185 return array != &bpf_empty_prog_array.hdr;
186 }
187
188 /* Wrappers for __cgroup_bpf_run_filter_skb() guarded by cgroup_bpf_enabled. */
189 #define BPF_CGROUP_RUN_PROG_INET_INGRESS(sk, skb) \
190 ({ \
191 int __ret = 0; \
192 if (cgroup_bpf_enabled(CGROUP_INET_INGRESS) && \
193 cgroup_bpf_sock_enabled(sk, CGROUP_INET_INGRESS)) \
194 __ret = __cgroup_bpf_run_filter_skb(sk, skb, \
195 CGROUP_INET_INGRESS); \
196 \
197 __ret; \
198 })
199
200 #define BPF_CGROUP_RUN_PROG_INET_EGRESS(sk, skb) \
201 ({ \
202 int __ret = 0; \
203 if (cgroup_bpf_enabled(CGROUP_INET_EGRESS) && sk) { \
204 typeof(sk) __sk = sk_to_full_sk(sk); \
205 if (sk_fullsock(__sk) && __sk == skb_to_full_sk(skb) && \
206 cgroup_bpf_sock_enabled(__sk, CGROUP_INET_EGRESS)) \
207 __ret = __cgroup_bpf_run_filter_skb(__sk, skb, \
208 CGROUP_INET_EGRESS); \
209 } \
210 __ret; \
211 })
212
213 #define BPF_CGROUP_RUN_SK_PROG(sk, atype) \
214 ({ \
215 int __ret = 0; \
216 if (cgroup_bpf_enabled(atype)) { \
217 __ret = __cgroup_bpf_run_filter_sk(sk, atype); \
218 } \
219 __ret; \
220 })
221
222 #define BPF_CGROUP_RUN_PROG_INET_SOCK(sk) \
223 BPF_CGROUP_RUN_SK_PROG(sk, CGROUP_INET_SOCK_CREATE)
224
225 #define BPF_CGROUP_RUN_PROG_INET_SOCK_RELEASE(sk) \
226 BPF_CGROUP_RUN_SK_PROG(sk, CGROUP_INET_SOCK_RELEASE)
227
228 #define BPF_CGROUP_RUN_PROG_INET4_POST_BIND(sk) \
229 BPF_CGROUP_RUN_SK_PROG(sk, CGROUP_INET4_POST_BIND)
230
231 #define BPF_CGROUP_RUN_PROG_INET6_POST_BIND(sk) \
232 BPF_CGROUP_RUN_SK_PROG(sk, CGROUP_INET6_POST_BIND)
233
234 #define BPF_CGROUP_RUN_SA_PROG(sk, uaddr, uaddrlen, atype) \
235 ({ \
236 int __ret = 0; \
237 if (cgroup_bpf_enabled(atype)) \
238 __ret = __cgroup_bpf_run_filter_sock_addr(sk, uaddr, uaddrlen, \
239 atype, NULL, NULL); \
240 __ret; \
241 })
242
243 #define BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, uaddrlen, atype, t_ctx) \
244 ({ \
245 int __ret = 0; \
246 if (cgroup_bpf_enabled(atype)) { \
247 lock_sock(sk); \
248 __ret = __cgroup_bpf_run_filter_sock_addr(sk, uaddr, uaddrlen, \
249 atype, t_ctx, NULL); \
250 release_sock(sk); \
251 } \
252 __ret; \
253 })
254
255 /* BPF_CGROUP_INET4_BIND and BPF_CGROUP_INET6_BIND can return extra flags
256 * via upper bits of return code. The only flag that is supported
257 * (at bit position 0) is to indicate CAP_NET_BIND_SERVICE capability check
258 * should be bypassed (BPF_RET_BIND_NO_CAP_NET_BIND_SERVICE).
259 */
260 #define BPF_CGROUP_RUN_PROG_INET_BIND_LOCK(sk, uaddr, uaddrlen, atype, bind_flags) \
261 ({ \
262 u32 __flags = 0; \
263 int __ret = 0; \
264 if (cgroup_bpf_enabled(atype)) { \
265 lock_sock(sk); \
266 __ret = __cgroup_bpf_run_filter_sock_addr(sk, uaddr, uaddrlen, \
267 atype, NULL, &__flags); \
268 release_sock(sk); \
269 if (__flags & BPF_RET_BIND_NO_CAP_NET_BIND_SERVICE) \
270 *bind_flags |= BIND_NO_CAP_NET_BIND_SERVICE; \
271 } \
272 __ret; \
273 })
274
275 #define BPF_CGROUP_PRE_CONNECT_ENABLED(sk) \
276 ((cgroup_bpf_enabled(CGROUP_INET4_CONNECT) || \
277 cgroup_bpf_enabled(CGROUP_INET6_CONNECT)) && \
278 (sk)->sk_prot->pre_connect)
279
280 #define BPF_CGROUP_RUN_PROG_INET4_CONNECT(sk, uaddr, uaddrlen) \
281 BPF_CGROUP_RUN_SA_PROG(sk, uaddr, uaddrlen, CGROUP_INET4_CONNECT)
282
283 #define BPF_CGROUP_RUN_PROG_INET6_CONNECT(sk, uaddr, uaddrlen) \
284 BPF_CGROUP_RUN_SA_PROG(sk, uaddr, uaddrlen, CGROUP_INET6_CONNECT)
285
286 #define BPF_CGROUP_RUN_PROG_INET4_CONNECT_LOCK(sk, uaddr, uaddrlen) \
287 BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, uaddrlen, CGROUP_INET4_CONNECT, NULL)
288
289 #define BPF_CGROUP_RUN_PROG_INET6_CONNECT_LOCK(sk, uaddr, uaddrlen) \
290 BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, uaddrlen, CGROUP_INET6_CONNECT, NULL)
291
292 #define BPF_CGROUP_RUN_PROG_UDP4_SENDMSG_LOCK(sk, uaddr, uaddrlen, t_ctx) \
293 BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, uaddrlen, CGROUP_UDP4_SENDMSG, t_ctx)
294
295 #define BPF_CGROUP_RUN_PROG_UDP6_SENDMSG_LOCK(sk, uaddr, uaddrlen, t_ctx) \
296 BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, uaddrlen, CGROUP_UDP6_SENDMSG, t_ctx)
297
298 #define BPF_CGROUP_RUN_PROG_UDP4_RECVMSG_LOCK(sk, uaddr, uaddrlen) \
299 BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, uaddrlen, CGROUP_UDP4_RECVMSG, NULL)
300
301 #define BPF_CGROUP_RUN_PROG_UDP6_RECVMSG_LOCK(sk, uaddr, uaddrlen) \
302 BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, uaddrlen, CGROUP_UDP6_RECVMSG, NULL)
303
304 /* The SOCK_OPS"_SK" macro should be used when sock_ops->sk is not a
305 * fullsock and its parent fullsock cannot be traced by
306 * sk_to_full_sk().
307 *
308 * e.g. sock_ops->sk is a request_sock and it is under syncookie mode.
309 * Its listener-sk is not attached to the rsk_listener.
310 * In this case, the caller holds the listener-sk (unlocked),
311 * set its sock_ops->sk to req_sk, and call this SOCK_OPS"_SK" with
312 * the listener-sk such that the cgroup-bpf-progs of the
313 * listener-sk will be run.
314 *
315 * Regardless of syncookie mode or not,
316 * calling bpf_setsockopt on listener-sk will not make sense anyway,
317 * so passing 'sock_ops->sk == req_sk' to the bpf prog is appropriate here.
318 */
319 #define BPF_CGROUP_RUN_PROG_SOCK_OPS_SK(sock_ops, sk) \
320 ({ \
321 int __ret = 0; \
322 if (cgroup_bpf_enabled(CGROUP_SOCK_OPS)) \
323 __ret = __cgroup_bpf_run_filter_sock_ops(sk, \
324 sock_ops, \
325 CGROUP_SOCK_OPS); \
326 __ret; \
327 })
328
329 #define BPF_CGROUP_RUN_PROG_SOCK_OPS(sock_ops) \
330 ({ \
331 int __ret = 0; \
332 if (cgroup_bpf_enabled(CGROUP_SOCK_OPS) && (sock_ops)->sk) { \
333 typeof(sk) __sk = sk_to_full_sk((sock_ops)->sk); \
334 if (__sk && sk_fullsock(__sk)) \
335 __ret = __cgroup_bpf_run_filter_sock_ops(__sk, \
336 sock_ops, \
337 CGROUP_SOCK_OPS); \
338 } \
339 __ret; \
340 })
341
342 #define BPF_CGROUP_RUN_PROG_DEVICE_CGROUP(atype, major, minor, access) \
343 ({ \
344 int __ret = 0; \
345 if (cgroup_bpf_enabled(CGROUP_DEVICE)) \
346 __ret = __cgroup_bpf_check_dev_permission(atype, major, minor, \
347 access, \
348 CGROUP_DEVICE); \
349 \
350 __ret; \
351 })
352
353
354 #define BPF_CGROUP_RUN_PROG_SYSCTL(head, table, write, buf, count, pos) \
355 ({ \
356 int __ret = 0; \
357 if (cgroup_bpf_enabled(CGROUP_SYSCTL)) \
358 __ret = __cgroup_bpf_run_filter_sysctl(head, table, write, \
359 buf, count, pos, \
360 CGROUP_SYSCTL); \
361 __ret; \
362 })
363
364 #define BPF_CGROUP_RUN_PROG_SETSOCKOPT(sock, level, optname, optval, optlen, \
365 kernel_optval) \
366 ({ \
367 int __ret = 0; \
368 if (cgroup_bpf_enabled(CGROUP_SETSOCKOPT) && \
369 cgroup_bpf_sock_enabled(sock, CGROUP_SETSOCKOPT)) \
370 __ret = __cgroup_bpf_run_filter_setsockopt(sock, level, \
371 optname, optval, \
372 optlen, \
373 kernel_optval); \
374 __ret; \
375 })
376
377 #define BPF_CGROUP_GETSOCKOPT_MAX_OPTLEN(optlen) \
378 ({ \
379 int __ret = 0; \
380 if (cgroup_bpf_enabled(CGROUP_GETSOCKOPT)) \
381 get_user(__ret, optlen); \
382 __ret; \
383 })
384
385 #define BPF_CGROUP_RUN_PROG_GETSOCKOPT(sock, level, optname, optval, optlen, \
386 max_optlen, retval) \
387 ({ \
388 int __ret = retval; \
389 if (cgroup_bpf_enabled(CGROUP_GETSOCKOPT) && \
390 cgroup_bpf_sock_enabled(sock, CGROUP_GETSOCKOPT)) \
391 if (!(sock)->sk_prot->bpf_bypass_getsockopt || \
392 !INDIRECT_CALL_INET_1((sock)->sk_prot->bpf_bypass_getsockopt, \
393 tcp_bpf_bypass_getsockopt, \
394 level, optname)) \
395 __ret = __cgroup_bpf_run_filter_getsockopt( \
396 sock, level, optname, optval, optlen, \
397 max_optlen, retval); \
398 __ret; \
399 })
400
401 #define BPF_CGROUP_RUN_PROG_GETSOCKOPT_KERN(sock, level, optname, optval, \
402 optlen, retval) \
403 ({ \
404 int __ret = retval; \
405 if (cgroup_bpf_enabled(CGROUP_GETSOCKOPT)) \
406 __ret = __cgroup_bpf_run_filter_getsockopt_kern( \
407 sock, level, optname, optval, optlen, retval); \
408 __ret; \
409 })
410
411 int cgroup_bpf_prog_attach(const union bpf_attr *attr,
412 enum bpf_prog_type ptype, struct bpf_prog *prog);
413 int cgroup_bpf_prog_detach(const union bpf_attr *attr,
414 enum bpf_prog_type ptype);
415 int cgroup_bpf_link_attach(const union bpf_attr *attr, struct bpf_prog *prog);
416 int cgroup_bpf_prog_query(const union bpf_attr *attr,
417 union bpf_attr __user *uattr);
418
419 const struct bpf_func_proto *
420 cgroup_common_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog);
421 const struct bpf_func_proto *
422 cgroup_current_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog);
423 #else
424
cgroup_bpf_inherit(struct cgroup * cgrp)425 static inline int cgroup_bpf_inherit(struct cgroup *cgrp) { return 0; }
cgroup_bpf_offline(struct cgroup * cgrp)426 static inline void cgroup_bpf_offline(struct cgroup *cgrp) {}
427
cgroup_bpf_prog_attach(const union bpf_attr * attr,enum bpf_prog_type ptype,struct bpf_prog * prog)428 static inline int cgroup_bpf_prog_attach(const union bpf_attr *attr,
429 enum bpf_prog_type ptype,
430 struct bpf_prog *prog)
431 {
432 return -EINVAL;
433 }
434
cgroup_bpf_prog_detach(const union bpf_attr * attr,enum bpf_prog_type ptype)435 static inline int cgroup_bpf_prog_detach(const union bpf_attr *attr,
436 enum bpf_prog_type ptype)
437 {
438 return -EINVAL;
439 }
440
cgroup_bpf_link_attach(const union bpf_attr * attr,struct bpf_prog * prog)441 static inline int cgroup_bpf_link_attach(const union bpf_attr *attr,
442 struct bpf_prog *prog)
443 {
444 return -EINVAL;
445 }
446
cgroup_bpf_prog_query(const union bpf_attr * attr,union bpf_attr __user * uattr)447 static inline int cgroup_bpf_prog_query(const union bpf_attr *attr,
448 union bpf_attr __user *uattr)
449 {
450 return -EINVAL;
451 }
452
453 static inline const struct bpf_func_proto *
cgroup_common_func_proto(enum bpf_func_id func_id,const struct bpf_prog * prog)454 cgroup_common_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog)
455 {
456 return NULL;
457 }
458
459 static inline const struct bpf_func_proto *
cgroup_current_func_proto(enum bpf_func_id func_id,const struct bpf_prog * prog)460 cgroup_current_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog)
461 {
462 return NULL;
463 }
464
bpf_cgroup_storage_assign(struct bpf_prog_aux * aux,struct bpf_map * map)465 static inline int bpf_cgroup_storage_assign(struct bpf_prog_aux *aux,
466 struct bpf_map *map) { return 0; }
bpf_cgroup_storage_alloc(struct bpf_prog * prog,enum bpf_cgroup_storage_type stype)467 static inline struct bpf_cgroup_storage *bpf_cgroup_storage_alloc(
468 struct bpf_prog *prog, enum bpf_cgroup_storage_type stype) { return NULL; }
bpf_cgroup_storage_free(struct bpf_cgroup_storage * storage)469 static inline void bpf_cgroup_storage_free(
470 struct bpf_cgroup_storage *storage) {}
bpf_percpu_cgroup_storage_copy(struct bpf_map * map,void * key,void * value)471 static inline int bpf_percpu_cgroup_storage_copy(struct bpf_map *map, void *key,
472 void *value) {
473 return 0;
474 }
bpf_percpu_cgroup_storage_update(struct bpf_map * map,void * key,void * value,u64 flags)475 static inline int bpf_percpu_cgroup_storage_update(struct bpf_map *map,
476 void *key, void *value, u64 flags) {
477 return 0;
478 }
479
480 #define cgroup_bpf_enabled(atype) (0)
481 #define BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, uaddrlen, atype, t_ctx) ({ 0; })
482 #define BPF_CGROUP_RUN_SA_PROG(sk, uaddr, uaddrlen, atype) ({ 0; })
483 #define BPF_CGROUP_PRE_CONNECT_ENABLED(sk) (0)
484 #define BPF_CGROUP_RUN_PROG_INET_INGRESS(sk,skb) ({ 0; })
485 #define BPF_CGROUP_RUN_PROG_INET_EGRESS(sk,skb) ({ 0; })
486 #define BPF_CGROUP_RUN_PROG_INET_SOCK(sk) ({ 0; })
487 #define BPF_CGROUP_RUN_PROG_INET_SOCK_RELEASE(sk) ({ 0; })
488 #define BPF_CGROUP_RUN_PROG_INET_BIND_LOCK(sk, uaddr, uaddrlen, atype, flags) ({ 0; })
489 #define BPF_CGROUP_RUN_PROG_INET4_POST_BIND(sk) ({ 0; })
490 #define BPF_CGROUP_RUN_PROG_INET6_POST_BIND(sk) ({ 0; })
491 #define BPF_CGROUP_RUN_PROG_INET4_CONNECT(sk, uaddr, uaddrlen) ({ 0; })
492 #define BPF_CGROUP_RUN_PROG_INET4_CONNECT_LOCK(sk, uaddr, uaddrlen) ({ 0; })
493 #define BPF_CGROUP_RUN_PROG_INET6_CONNECT(sk, uaddr, uaddrlen) ({ 0; })
494 #define BPF_CGROUP_RUN_PROG_INET6_CONNECT_LOCK(sk, uaddr, uaddrlen) ({ 0; })
495 #define BPF_CGROUP_RUN_PROG_UDP4_SENDMSG_LOCK(sk, uaddr, uaddrlen, t_ctx) ({ 0; })
496 #define BPF_CGROUP_RUN_PROG_UDP6_SENDMSG_LOCK(sk, uaddr, uaddrlen, t_ctx) ({ 0; })
497 #define BPF_CGROUP_RUN_PROG_UDP4_RECVMSG_LOCK(sk, uaddr, uaddrlen) ({ 0; })
498 #define BPF_CGROUP_RUN_PROG_UDP6_RECVMSG_LOCK(sk, uaddr, uaddrlen) ({ 0; })
499 #define BPF_CGROUP_RUN_PROG_SOCK_OPS(sock_ops) ({ 0; })
500 #define BPF_CGROUP_RUN_PROG_DEVICE_CGROUP(atype, major, minor, access) ({ 0; })
501 #define BPF_CGROUP_RUN_PROG_SYSCTL(head,table,write,buf,count,pos) ({ 0; })
502 #define BPF_CGROUP_GETSOCKOPT_MAX_OPTLEN(optlen) ({ 0; })
503 #define BPF_CGROUP_RUN_PROG_GETSOCKOPT(sock, level, optname, optval, \
504 optlen, max_optlen, retval) ({ retval; })
505 #define BPF_CGROUP_RUN_PROG_GETSOCKOPT_KERN(sock, level, optname, optval, \
506 optlen, retval) ({ retval; })
507 #define BPF_CGROUP_RUN_PROG_SETSOCKOPT(sock, level, optname, optval, optlen, \
508 kernel_optval) ({ 0; })
509
510 #define for_each_cgroup_storage_type(stype) for (; false; )
511
512 #endif /* CONFIG_CGROUP_BPF */
513
514 #endif /* _BPF_CGROUP_H */
515