Linux kernel mirror (for testing)
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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/errno.h>
7#include <linux/jump_label.h>
8#include <linux/percpu.h>
9#include <linux/percpu-refcount.h>
10#include <linux/rbtree.h>
11#include <uapi/linux/bpf.h>
12
13struct sock;
14struct sockaddr;
15struct cgroup;
16struct sk_buff;
17struct bpf_map;
18struct bpf_prog;
19struct bpf_sock_ops_kern;
20struct bpf_cgroup_storage;
21struct ctl_table;
22struct ctl_table_header;
23struct task_struct;
24
25#ifdef CONFIG_CGROUP_BPF
26enum cgroup_bpf_attach_type {
27 CGROUP_BPF_ATTACH_TYPE_INVALID = -1,
28 CGROUP_INET_INGRESS = 0,
29 CGROUP_INET_EGRESS,
30 CGROUP_INET_SOCK_CREATE,
31 CGROUP_SOCK_OPS,
32 CGROUP_DEVICE,
33 CGROUP_INET4_BIND,
34 CGROUP_INET6_BIND,
35 CGROUP_INET4_CONNECT,
36 CGROUP_INET6_CONNECT,
37 CGROUP_INET4_POST_BIND,
38 CGROUP_INET6_POST_BIND,
39 CGROUP_UDP4_SENDMSG,
40 CGROUP_UDP6_SENDMSG,
41 CGROUP_SYSCTL,
42 CGROUP_UDP4_RECVMSG,
43 CGROUP_UDP6_RECVMSG,
44 CGROUP_GETSOCKOPT,
45 CGROUP_SETSOCKOPT,
46 CGROUP_INET4_GETPEERNAME,
47 CGROUP_INET6_GETPEERNAME,
48 CGROUP_INET4_GETSOCKNAME,
49 CGROUP_INET6_GETSOCKNAME,
50 CGROUP_INET_SOCK_RELEASE,
51 MAX_CGROUP_BPF_ATTACH_TYPE
52};
53
54#define CGROUP_ATYPE(type) \
55 case BPF_##type: return type
56
57static inline enum cgroup_bpf_attach_type
58to_cgroup_bpf_attach_type(enum bpf_attach_type attach_type)
59{
60 switch (attach_type) {
61 CGROUP_ATYPE(CGROUP_INET_INGRESS);
62 CGROUP_ATYPE(CGROUP_INET_EGRESS);
63 CGROUP_ATYPE(CGROUP_INET_SOCK_CREATE);
64 CGROUP_ATYPE(CGROUP_SOCK_OPS);
65 CGROUP_ATYPE(CGROUP_DEVICE);
66 CGROUP_ATYPE(CGROUP_INET4_BIND);
67 CGROUP_ATYPE(CGROUP_INET6_BIND);
68 CGROUP_ATYPE(CGROUP_INET4_CONNECT);
69 CGROUP_ATYPE(CGROUP_INET6_CONNECT);
70 CGROUP_ATYPE(CGROUP_INET4_POST_BIND);
71 CGROUP_ATYPE(CGROUP_INET6_POST_BIND);
72 CGROUP_ATYPE(CGROUP_UDP4_SENDMSG);
73 CGROUP_ATYPE(CGROUP_UDP6_SENDMSG);
74 CGROUP_ATYPE(CGROUP_SYSCTL);
75 CGROUP_ATYPE(CGROUP_UDP4_RECVMSG);
76 CGROUP_ATYPE(CGROUP_UDP6_RECVMSG);
77 CGROUP_ATYPE(CGROUP_GETSOCKOPT);
78 CGROUP_ATYPE(CGROUP_SETSOCKOPT);
79 CGROUP_ATYPE(CGROUP_INET4_GETPEERNAME);
80 CGROUP_ATYPE(CGROUP_INET6_GETPEERNAME);
81 CGROUP_ATYPE(CGROUP_INET4_GETSOCKNAME);
82 CGROUP_ATYPE(CGROUP_INET6_GETSOCKNAME);
83 CGROUP_ATYPE(CGROUP_INET_SOCK_RELEASE);
84 default:
85 return CGROUP_BPF_ATTACH_TYPE_INVALID;
86 }
87}
88
89#undef CGROUP_ATYPE
90
91extern struct static_key_false cgroup_bpf_enabled_key[MAX_CGROUP_BPF_ATTACH_TYPE];
92#define cgroup_bpf_enabled(atype) static_branch_unlikely(&cgroup_bpf_enabled_key[atype])
93
94#define for_each_cgroup_storage_type(stype) \
95 for (stype = 0; stype < MAX_BPF_CGROUP_STORAGE_TYPE; stype++)
96
97struct bpf_cgroup_storage_map;
98
99struct bpf_storage_buffer {
100 struct rcu_head rcu;
101 char data[];
102};
103
104struct bpf_cgroup_storage {
105 union {
106 struct bpf_storage_buffer *buf;
107 void __percpu *percpu_buf;
108 };
109 struct bpf_cgroup_storage_map *map;
110 struct bpf_cgroup_storage_key key;
111 struct list_head list_map;
112 struct list_head list_cg;
113 struct rb_node node;
114 struct rcu_head rcu;
115};
116
117struct bpf_cgroup_link {
118 struct bpf_link link;
119 struct cgroup *cgroup;
120 enum bpf_attach_type type;
121};
122
123struct bpf_prog_list {
124 struct list_head node;
125 struct bpf_prog *prog;
126 struct bpf_cgroup_link *link;
127 struct bpf_cgroup_storage *storage[MAX_BPF_CGROUP_STORAGE_TYPE];
128};
129
130struct bpf_prog_array;
131
132struct cgroup_bpf {
133 /* array of effective progs in this cgroup */
134 struct bpf_prog_array __rcu *effective[MAX_CGROUP_BPF_ATTACH_TYPE];
135
136 /* attached progs to this cgroup and attach flags
137 * when flags == 0 or BPF_F_ALLOW_OVERRIDE the progs list will
138 * have either zero or one element
139 * when BPF_F_ALLOW_MULTI the list can have up to BPF_CGROUP_MAX_PROGS
140 */
141 struct list_head progs[MAX_CGROUP_BPF_ATTACH_TYPE];
142 u32 flags[MAX_CGROUP_BPF_ATTACH_TYPE];
143
144 /* list of cgroup shared storages */
145 struct list_head storages;
146
147 /* temp storage for effective prog array used by prog_attach/detach */
148 struct bpf_prog_array *inactive;
149
150 /* reference counter used to detach bpf programs after cgroup removal */
151 struct percpu_ref refcnt;
152
153 /* cgroup_bpf is released using a work queue */
154 struct work_struct release_work;
155};
156
157int cgroup_bpf_inherit(struct cgroup *cgrp);
158void cgroup_bpf_offline(struct cgroup *cgrp);
159
160int __cgroup_bpf_run_filter_skb(struct sock *sk,
161 struct sk_buff *skb,
162 enum cgroup_bpf_attach_type atype);
163
164int __cgroup_bpf_run_filter_sk(struct sock *sk,
165 enum cgroup_bpf_attach_type atype);
166
167int __cgroup_bpf_run_filter_sock_addr(struct sock *sk,
168 struct sockaddr *uaddr,
169 enum cgroup_bpf_attach_type atype,
170 void *t_ctx,
171 u32 *flags);
172
173int __cgroup_bpf_run_filter_sock_ops(struct sock *sk,
174 struct bpf_sock_ops_kern *sock_ops,
175 enum cgroup_bpf_attach_type atype);
176
177int __cgroup_bpf_check_dev_permission(short dev_type, u32 major, u32 minor,
178 short access, enum cgroup_bpf_attach_type atype);
179
180int __cgroup_bpf_run_filter_sysctl(struct ctl_table_header *head,
181 struct ctl_table *table, int write,
182 char **buf, size_t *pcount, loff_t *ppos,
183 enum cgroup_bpf_attach_type atype);
184
185int __cgroup_bpf_run_filter_setsockopt(struct sock *sock, int *level,
186 int *optname, char __user *optval,
187 int *optlen, char **kernel_optval);
188int __cgroup_bpf_run_filter_getsockopt(struct sock *sk, int level,
189 int optname, char __user *optval,
190 int __user *optlen, int max_optlen,
191 int retval);
192
193int __cgroup_bpf_run_filter_getsockopt_kern(struct sock *sk, int level,
194 int optname, void *optval,
195 int *optlen, int retval);
196
197static inline enum bpf_cgroup_storage_type cgroup_storage_type(
198 struct bpf_map *map)
199{
200 if (map->map_type == BPF_MAP_TYPE_PERCPU_CGROUP_STORAGE)
201 return BPF_CGROUP_STORAGE_PERCPU;
202
203 return BPF_CGROUP_STORAGE_SHARED;
204}
205
206struct bpf_cgroup_storage *
207cgroup_storage_lookup(struct bpf_cgroup_storage_map *map,
208 void *key, bool locked);
209struct bpf_cgroup_storage *bpf_cgroup_storage_alloc(struct bpf_prog *prog,
210 enum bpf_cgroup_storage_type stype);
211void bpf_cgroup_storage_free(struct bpf_cgroup_storage *storage);
212void bpf_cgroup_storage_link(struct bpf_cgroup_storage *storage,
213 struct cgroup *cgroup,
214 enum bpf_attach_type type);
215void bpf_cgroup_storage_unlink(struct bpf_cgroup_storage *storage);
216int bpf_cgroup_storage_assign(struct bpf_prog_aux *aux, struct bpf_map *map);
217
218int bpf_percpu_cgroup_storage_copy(struct bpf_map *map, void *key, void *value);
219int bpf_percpu_cgroup_storage_update(struct bpf_map *map, void *key,
220 void *value, u64 flags);
221
222/* Wrappers for __cgroup_bpf_run_filter_skb() guarded by cgroup_bpf_enabled. */
223#define BPF_CGROUP_RUN_PROG_INET_INGRESS(sk, skb) \
224({ \
225 int __ret = 0; \
226 if (cgroup_bpf_enabled(CGROUP_INET_INGRESS)) \
227 __ret = __cgroup_bpf_run_filter_skb(sk, skb, \
228 CGROUP_INET_INGRESS); \
229 \
230 __ret; \
231})
232
233#define BPF_CGROUP_RUN_PROG_INET_EGRESS(sk, skb) \
234({ \
235 int __ret = 0; \
236 if (cgroup_bpf_enabled(CGROUP_INET_EGRESS) && sk && sk == skb->sk) { \
237 typeof(sk) __sk = sk_to_full_sk(sk); \
238 if (sk_fullsock(__sk)) \
239 __ret = __cgroup_bpf_run_filter_skb(__sk, skb, \
240 CGROUP_INET_EGRESS); \
241 } \
242 __ret; \
243})
244
245#define BPF_CGROUP_RUN_SK_PROG(sk, atype) \
246({ \
247 int __ret = 0; \
248 if (cgroup_bpf_enabled(atype)) { \
249 __ret = __cgroup_bpf_run_filter_sk(sk, atype); \
250 } \
251 __ret; \
252})
253
254#define BPF_CGROUP_RUN_PROG_INET_SOCK(sk) \
255 BPF_CGROUP_RUN_SK_PROG(sk, CGROUP_INET_SOCK_CREATE)
256
257#define BPF_CGROUP_RUN_PROG_INET_SOCK_RELEASE(sk) \
258 BPF_CGROUP_RUN_SK_PROG(sk, CGROUP_INET_SOCK_RELEASE)
259
260#define BPF_CGROUP_RUN_PROG_INET4_POST_BIND(sk) \
261 BPF_CGROUP_RUN_SK_PROG(sk, CGROUP_INET4_POST_BIND)
262
263#define BPF_CGROUP_RUN_PROG_INET6_POST_BIND(sk) \
264 BPF_CGROUP_RUN_SK_PROG(sk, CGROUP_INET6_POST_BIND)
265
266#define BPF_CGROUP_RUN_SA_PROG(sk, uaddr, atype) \
267({ \
268 u32 __unused_flags; \
269 int __ret = 0; \
270 if (cgroup_bpf_enabled(atype)) \
271 __ret = __cgroup_bpf_run_filter_sock_addr(sk, uaddr, atype, \
272 NULL, \
273 &__unused_flags); \
274 __ret; \
275})
276
277#define BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, atype, t_ctx) \
278({ \
279 u32 __unused_flags; \
280 int __ret = 0; \
281 if (cgroup_bpf_enabled(atype)) { \
282 lock_sock(sk); \
283 __ret = __cgroup_bpf_run_filter_sock_addr(sk, uaddr, atype, \
284 t_ctx, \
285 &__unused_flags); \
286 release_sock(sk); \
287 } \
288 __ret; \
289})
290
291/* BPF_CGROUP_INET4_BIND and BPF_CGROUP_INET6_BIND can return extra flags
292 * via upper bits of return code. The only flag that is supported
293 * (at bit position 0) is to indicate CAP_NET_BIND_SERVICE capability check
294 * should be bypassed (BPF_RET_BIND_NO_CAP_NET_BIND_SERVICE).
295 */
296#define BPF_CGROUP_RUN_PROG_INET_BIND_LOCK(sk, uaddr, atype, bind_flags) \
297({ \
298 u32 __flags = 0; \
299 int __ret = 0; \
300 if (cgroup_bpf_enabled(atype)) { \
301 lock_sock(sk); \
302 __ret = __cgroup_bpf_run_filter_sock_addr(sk, uaddr, atype, \
303 NULL, &__flags); \
304 release_sock(sk); \
305 if (__flags & BPF_RET_BIND_NO_CAP_NET_BIND_SERVICE) \
306 *bind_flags |= BIND_NO_CAP_NET_BIND_SERVICE; \
307 } \
308 __ret; \
309})
310
311#define BPF_CGROUP_PRE_CONNECT_ENABLED(sk) \
312 ((cgroup_bpf_enabled(CGROUP_INET4_CONNECT) || \
313 cgroup_bpf_enabled(CGROUP_INET6_CONNECT)) && \
314 (sk)->sk_prot->pre_connect)
315
316#define BPF_CGROUP_RUN_PROG_INET4_CONNECT(sk, uaddr) \
317 BPF_CGROUP_RUN_SA_PROG(sk, uaddr, CGROUP_INET4_CONNECT)
318
319#define BPF_CGROUP_RUN_PROG_INET6_CONNECT(sk, uaddr) \
320 BPF_CGROUP_RUN_SA_PROG(sk, uaddr, CGROUP_INET6_CONNECT)
321
322#define BPF_CGROUP_RUN_PROG_INET4_CONNECT_LOCK(sk, uaddr) \
323 BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, CGROUP_INET4_CONNECT, NULL)
324
325#define BPF_CGROUP_RUN_PROG_INET6_CONNECT_LOCK(sk, uaddr) \
326 BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, CGROUP_INET6_CONNECT, NULL)
327
328#define BPF_CGROUP_RUN_PROG_UDP4_SENDMSG_LOCK(sk, uaddr, t_ctx) \
329 BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, CGROUP_UDP4_SENDMSG, t_ctx)
330
331#define BPF_CGROUP_RUN_PROG_UDP6_SENDMSG_LOCK(sk, uaddr, t_ctx) \
332 BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, CGROUP_UDP6_SENDMSG, t_ctx)
333
334#define BPF_CGROUP_RUN_PROG_UDP4_RECVMSG_LOCK(sk, uaddr) \
335 BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, CGROUP_UDP4_RECVMSG, NULL)
336
337#define BPF_CGROUP_RUN_PROG_UDP6_RECVMSG_LOCK(sk, uaddr) \
338 BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, CGROUP_UDP6_RECVMSG, NULL)
339
340/* The SOCK_OPS"_SK" macro should be used when sock_ops->sk is not a
341 * fullsock and its parent fullsock cannot be traced by
342 * sk_to_full_sk().
343 *
344 * e.g. sock_ops->sk is a request_sock and it is under syncookie mode.
345 * Its listener-sk is not attached to the rsk_listener.
346 * In this case, the caller holds the listener-sk (unlocked),
347 * set its sock_ops->sk to req_sk, and call this SOCK_OPS"_SK" with
348 * the listener-sk such that the cgroup-bpf-progs of the
349 * listener-sk will be run.
350 *
351 * Regardless of syncookie mode or not,
352 * calling bpf_setsockopt on listener-sk will not make sense anyway,
353 * so passing 'sock_ops->sk == req_sk' to the bpf prog is appropriate here.
354 */
355#define BPF_CGROUP_RUN_PROG_SOCK_OPS_SK(sock_ops, sk) \
356({ \
357 int __ret = 0; \
358 if (cgroup_bpf_enabled(CGROUP_SOCK_OPS)) \
359 __ret = __cgroup_bpf_run_filter_sock_ops(sk, \
360 sock_ops, \
361 CGROUP_SOCK_OPS); \
362 __ret; \
363})
364
365#define BPF_CGROUP_RUN_PROG_SOCK_OPS(sock_ops) \
366({ \
367 int __ret = 0; \
368 if (cgroup_bpf_enabled(CGROUP_SOCK_OPS) && (sock_ops)->sk) { \
369 typeof(sk) __sk = sk_to_full_sk((sock_ops)->sk); \
370 if (__sk && sk_fullsock(__sk)) \
371 __ret = __cgroup_bpf_run_filter_sock_ops(__sk, \
372 sock_ops, \
373 CGROUP_SOCK_OPS); \
374 } \
375 __ret; \
376})
377
378#define BPF_CGROUP_RUN_PROG_DEVICE_CGROUP(atype, major, minor, access) \
379({ \
380 int __ret = 0; \
381 if (cgroup_bpf_enabled(CGROUP_DEVICE)) \
382 __ret = __cgroup_bpf_check_dev_permission(atype, major, minor, \
383 access, \
384 CGROUP_DEVICE); \
385 \
386 __ret; \
387})
388
389
390#define BPF_CGROUP_RUN_PROG_SYSCTL(head, table, write, buf, count, pos) \
391({ \
392 int __ret = 0; \
393 if (cgroup_bpf_enabled(CGROUP_SYSCTL)) \
394 __ret = __cgroup_bpf_run_filter_sysctl(head, table, write, \
395 buf, count, pos, \
396 CGROUP_SYSCTL); \
397 __ret; \
398})
399
400#define BPF_CGROUP_RUN_PROG_SETSOCKOPT(sock, level, optname, optval, optlen, \
401 kernel_optval) \
402({ \
403 int __ret = 0; \
404 if (cgroup_bpf_enabled(CGROUP_SETSOCKOPT)) \
405 __ret = __cgroup_bpf_run_filter_setsockopt(sock, level, \
406 optname, optval, \
407 optlen, \
408 kernel_optval); \
409 __ret; \
410})
411
412#define BPF_CGROUP_GETSOCKOPT_MAX_OPTLEN(optlen) \
413({ \
414 int __ret = 0; \
415 if (cgroup_bpf_enabled(CGROUP_GETSOCKOPT)) \
416 get_user(__ret, optlen); \
417 __ret; \
418})
419
420#define BPF_CGROUP_RUN_PROG_GETSOCKOPT(sock, level, optname, optval, optlen, \
421 max_optlen, retval) \
422({ \
423 int __ret = retval; \
424 if (cgroup_bpf_enabled(CGROUP_GETSOCKOPT)) \
425 if (!(sock)->sk_prot->bpf_bypass_getsockopt || \
426 !INDIRECT_CALL_INET_1((sock)->sk_prot->bpf_bypass_getsockopt, \
427 tcp_bpf_bypass_getsockopt, \
428 level, optname)) \
429 __ret = __cgroup_bpf_run_filter_getsockopt( \
430 sock, level, optname, optval, optlen, \
431 max_optlen, retval); \
432 __ret; \
433})
434
435#define BPF_CGROUP_RUN_PROG_GETSOCKOPT_KERN(sock, level, optname, optval, \
436 optlen, retval) \
437({ \
438 int __ret = retval; \
439 if (cgroup_bpf_enabled(CGROUP_GETSOCKOPT)) \
440 __ret = __cgroup_bpf_run_filter_getsockopt_kern( \
441 sock, level, optname, optval, optlen, retval); \
442 __ret; \
443})
444
445int cgroup_bpf_prog_attach(const union bpf_attr *attr,
446 enum bpf_prog_type ptype, struct bpf_prog *prog);
447int cgroup_bpf_prog_detach(const union bpf_attr *attr,
448 enum bpf_prog_type ptype);
449int cgroup_bpf_link_attach(const union bpf_attr *attr, struct bpf_prog *prog);
450int cgroup_bpf_prog_query(const union bpf_attr *attr,
451 union bpf_attr __user *uattr);
452#else
453
454struct cgroup_bpf {};
455static inline int cgroup_bpf_inherit(struct cgroup *cgrp) { return 0; }
456static inline void cgroup_bpf_offline(struct cgroup *cgrp) {}
457
458static inline int cgroup_bpf_prog_attach(const union bpf_attr *attr,
459 enum bpf_prog_type ptype,
460 struct bpf_prog *prog)
461{
462 return -EINVAL;
463}
464
465static inline int cgroup_bpf_prog_detach(const union bpf_attr *attr,
466 enum bpf_prog_type ptype)
467{
468 return -EINVAL;
469}
470
471static inline int cgroup_bpf_link_attach(const union bpf_attr *attr,
472 struct bpf_prog *prog)
473{
474 return -EINVAL;
475}
476
477static inline int cgroup_bpf_prog_query(const union bpf_attr *attr,
478 union bpf_attr __user *uattr)
479{
480 return -EINVAL;
481}
482
483static inline int bpf_cgroup_storage_assign(struct bpf_prog_aux *aux,
484 struct bpf_map *map) { return 0; }
485static inline struct bpf_cgroup_storage *bpf_cgroup_storage_alloc(
486 struct bpf_prog *prog, enum bpf_cgroup_storage_type stype) { return NULL; }
487static inline void bpf_cgroup_storage_free(
488 struct bpf_cgroup_storage *storage) {}
489static inline int bpf_percpu_cgroup_storage_copy(struct bpf_map *map, void *key,
490 void *value) {
491 return 0;
492}
493static inline int bpf_percpu_cgroup_storage_update(struct bpf_map *map,
494 void *key, void *value, u64 flags) {
495 return 0;
496}
497
498#define cgroup_bpf_enabled(atype) (0)
499#define BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, atype, t_ctx) ({ 0; })
500#define BPF_CGROUP_RUN_SA_PROG(sk, uaddr, atype) ({ 0; })
501#define BPF_CGROUP_PRE_CONNECT_ENABLED(sk) (0)
502#define BPF_CGROUP_RUN_PROG_INET_INGRESS(sk,skb) ({ 0; })
503#define BPF_CGROUP_RUN_PROG_INET_EGRESS(sk,skb) ({ 0; })
504#define BPF_CGROUP_RUN_PROG_INET_SOCK(sk) ({ 0; })
505#define BPF_CGROUP_RUN_PROG_INET_SOCK_RELEASE(sk) ({ 0; })
506#define BPF_CGROUP_RUN_PROG_INET_BIND_LOCK(sk, uaddr, atype, flags) ({ 0; })
507#define BPF_CGROUP_RUN_PROG_INET4_POST_BIND(sk) ({ 0; })
508#define BPF_CGROUP_RUN_PROG_INET6_POST_BIND(sk) ({ 0; })
509#define BPF_CGROUP_RUN_PROG_INET4_CONNECT(sk, uaddr) ({ 0; })
510#define BPF_CGROUP_RUN_PROG_INET4_CONNECT_LOCK(sk, uaddr) ({ 0; })
511#define BPF_CGROUP_RUN_PROG_INET6_CONNECT(sk, uaddr) ({ 0; })
512#define BPF_CGROUP_RUN_PROG_INET6_CONNECT_LOCK(sk, uaddr) ({ 0; })
513#define BPF_CGROUP_RUN_PROG_UDP4_SENDMSG_LOCK(sk, uaddr, t_ctx) ({ 0; })
514#define BPF_CGROUP_RUN_PROG_UDP6_SENDMSG_LOCK(sk, uaddr, t_ctx) ({ 0; })
515#define BPF_CGROUP_RUN_PROG_UDP4_RECVMSG_LOCK(sk, uaddr) ({ 0; })
516#define BPF_CGROUP_RUN_PROG_UDP6_RECVMSG_LOCK(sk, uaddr) ({ 0; })
517#define BPF_CGROUP_RUN_PROG_SOCK_OPS(sock_ops) ({ 0; })
518#define BPF_CGROUP_RUN_PROG_DEVICE_CGROUP(atype, major, minor, access) ({ 0; })
519#define BPF_CGROUP_RUN_PROG_SYSCTL(head,table,write,buf,count,pos) ({ 0; })
520#define BPF_CGROUP_GETSOCKOPT_MAX_OPTLEN(optlen) ({ 0; })
521#define BPF_CGROUP_RUN_PROG_GETSOCKOPT(sock, level, optname, optval, \
522 optlen, max_optlen, retval) ({ retval; })
523#define BPF_CGROUP_RUN_PROG_GETSOCKOPT_KERN(sock, level, optname, optval, \
524 optlen, retval) ({ retval; })
525#define BPF_CGROUP_RUN_PROG_SETSOCKOPT(sock, level, optname, optval, optlen, \
526 kernel_optval) ({ 0; })
527
528#define for_each_cgroup_storage_type(stype) for (; false; )
529
530#endif /* CONFIG_CGROUP_BPF */
531
532#endif /* _BPF_CGROUP_H */