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bpf-cgroup.h

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linux-6.19.14/include/linux/bpf-cgroup.h C
  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
 14struct sock;
 15struct sockaddr;
 16struct cgroup;
 17struct sk_buff;
 18struct bpf_map;
 19struct bpf_prog;
 20struct bpf_sock_ops_kern;
 21struct bpf_cgroup_storage;
 22struct ctl_table;
 23struct ctl_table_header;
 24struct task_struct;
 25
 26unsigned int __cgroup_bpf_run_lsm_sock(const void *ctx,
 27				       const struct bpf_insn *insn);
 28unsigned int __cgroup_bpf_run_lsm_socket(const void *ctx,
 29					 const struct bpf_insn *insn);
 30unsigned 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
 38static inline enum cgroup_bpf_attach_type
 39to_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_UNIX_CONNECT);
 52	CGROUP_ATYPE(CGROUP_INET4_POST_BIND);
 53	CGROUP_ATYPE(CGROUP_INET6_POST_BIND);
 54	CGROUP_ATYPE(CGROUP_UDP4_SENDMSG);
 55	CGROUP_ATYPE(CGROUP_UDP6_SENDMSG);
 56	CGROUP_ATYPE(CGROUP_UNIX_SENDMSG);
 57	CGROUP_ATYPE(CGROUP_SYSCTL);
 58	CGROUP_ATYPE(CGROUP_UDP4_RECVMSG);
 59	CGROUP_ATYPE(CGROUP_UDP6_RECVMSG);
 60	CGROUP_ATYPE(CGROUP_UNIX_RECVMSG);
 61	CGROUP_ATYPE(CGROUP_GETSOCKOPT);
 62	CGROUP_ATYPE(CGROUP_SETSOCKOPT);
 63	CGROUP_ATYPE(CGROUP_INET4_GETPEERNAME);
 64	CGROUP_ATYPE(CGROUP_INET6_GETPEERNAME);
 65	CGROUP_ATYPE(CGROUP_UNIX_GETPEERNAME);
 66	CGROUP_ATYPE(CGROUP_INET4_GETSOCKNAME);
 67	CGROUP_ATYPE(CGROUP_INET6_GETSOCKNAME);
 68	CGROUP_ATYPE(CGROUP_UNIX_GETSOCKNAME);
 69	CGROUP_ATYPE(CGROUP_INET_SOCK_RELEASE);
 70	default:
 71		return CGROUP_BPF_ATTACH_TYPE_INVALID;
 72	}
 73}
 74
 75#undef CGROUP_ATYPE
 76
 77extern struct static_key_false cgroup_bpf_enabled_key[MAX_CGROUP_BPF_ATTACH_TYPE];
 78#define cgroup_bpf_enabled(atype) static_branch_unlikely(&cgroup_bpf_enabled_key[atype])
 79
 80struct bpf_cgroup_storage_map;
 81
 82struct bpf_storage_buffer {
 83	struct rcu_head rcu;
 84	char data[];
 85};
 86
 87struct bpf_cgroup_storage {
 88	union {
 89		struct bpf_storage_buffer *buf;
 90		void __percpu *percpu_buf;
 91	};
 92	struct bpf_cgroup_storage_map *map;
 93	struct bpf_cgroup_storage_key key;
 94	struct list_head list_map;
 95	struct list_head list_cg;
 96	struct rb_node node;
 97	struct rcu_head rcu;
 98};
 99
100struct bpf_cgroup_link {
101	struct bpf_link link;
102	struct cgroup *cgroup;
103};
104
105struct bpf_prog_list {
106	struct hlist_node node;
107	struct bpf_prog *prog;
108	struct bpf_cgroup_link *link;
109	struct bpf_cgroup_storage *storage[MAX_BPF_CGROUP_STORAGE_TYPE];
110	u32 flags;
111};
112
113void __init cgroup_bpf_lifetime_notifier_init(void);
114
115int __cgroup_bpf_run_filter_skb(struct sock *sk,
116				struct sk_buff *skb,
117				enum cgroup_bpf_attach_type atype);
118
119int __cgroup_bpf_run_filter_sk(struct sock *sk,
120			       enum cgroup_bpf_attach_type atype);
121
122int __cgroup_bpf_run_filter_sock_addr(struct sock *sk,
123				      struct sockaddr_unsized *uaddr,
124				      int *uaddrlen,
125				      enum cgroup_bpf_attach_type atype,
126				      void *t_ctx,
127				      u32 *flags);
128
129int __cgroup_bpf_run_filter_sock_ops(struct sock *sk,
130				     struct bpf_sock_ops_kern *sock_ops,
131				     enum cgroup_bpf_attach_type atype);
132
133int __cgroup_bpf_check_dev_permission(short dev_type, u32 major, u32 minor,
134				      short access, enum cgroup_bpf_attach_type atype);
135
136int __cgroup_bpf_run_filter_sysctl(struct ctl_table_header *head,
137				   const struct ctl_table *table, int write,
138				   char **buf, size_t *pcount, loff_t *ppos,
139				   enum cgroup_bpf_attach_type atype);
140
141int __cgroup_bpf_run_filter_setsockopt(struct sock *sock, int *level,
142				       int *optname, sockptr_t optval,
143				       int *optlen, char **kernel_optval);
144
145int __cgroup_bpf_run_filter_getsockopt(struct sock *sk, int level,
146				       int optname, sockptr_t optval,
147				       sockptr_t optlen, int max_optlen,
148				       int retval);
149
150int __cgroup_bpf_run_filter_getsockopt_kern(struct sock *sk, int level,
151					    int optname, void *optval,
152					    int *optlen, int retval);
153
154static inline enum bpf_cgroup_storage_type cgroup_storage_type(
155	struct bpf_map *map)
156{
157	if (map->map_type == BPF_MAP_TYPE_PERCPU_CGROUP_STORAGE)
158		return BPF_CGROUP_STORAGE_PERCPU;
159
160	return BPF_CGROUP_STORAGE_SHARED;
161}
162
163struct bpf_cgroup_storage *
164cgroup_storage_lookup(struct bpf_cgroup_storage_map *map,
165		      void *key, bool locked);
166struct bpf_cgroup_storage *bpf_cgroup_storage_alloc(struct bpf_prog *prog,
167					enum bpf_cgroup_storage_type stype);
168void bpf_cgroup_storage_free(struct bpf_cgroup_storage *storage);
169void bpf_cgroup_storage_link(struct bpf_cgroup_storage *storage,
170			     struct cgroup *cgroup,
171			     enum bpf_attach_type type);
172void bpf_cgroup_storage_unlink(struct bpf_cgroup_storage *storage);
173int bpf_cgroup_storage_assign(struct bpf_prog_aux *aux, struct bpf_map *map);
174
175int bpf_percpu_cgroup_storage_copy(struct bpf_map *map, void *key, void *value);
176int bpf_percpu_cgroup_storage_update(struct bpf_map *map, void *key,
177				     void *value, u64 flags);
178
179/* Opportunistic check to see whether we have any BPF program attached*/
180static inline bool cgroup_bpf_sock_enabled(struct sock *sk,
181					   enum cgroup_bpf_attach_type type)
182{
183	struct cgroup *cgrp = sock_cgroup_ptr(&sk->sk_cgrp_data);
184	struct bpf_prog_array *array;
185
186	array = rcu_access_pointer(cgrp->bpf.effective[type]);
187	return array != &bpf_empty_prog_array.hdr;
188}
189
190/* Wrappers for __cgroup_bpf_run_filter_skb() guarded by cgroup_bpf_enabled. */
191#define BPF_CGROUP_RUN_PROG_INET_INGRESS(sk, skb)			      \
192({									      \
193	int __ret = 0;							      \
194	if (cgroup_bpf_enabled(CGROUP_INET_INGRESS) &&			      \
195	    cgroup_bpf_sock_enabled(sk, CGROUP_INET_INGRESS) && sk &&	      \
196	    sk_fullsock(sk))						      \
197		__ret = __cgroup_bpf_run_filter_skb(sk, skb,		      \
198						    CGROUP_INET_INGRESS); \
199									      \
200	__ret;								      \
201})
202
203#define BPF_CGROUP_RUN_PROG_INET_EGRESS(sk, skb)			       \
204({									       \
205	int __ret = 0;							       \
206	if (cgroup_bpf_enabled(CGROUP_INET_EGRESS) && sk) {		       \
207		typeof(sk) __sk = sk_to_full_sk(sk);			       \
208		if (__sk && __sk == skb_to_full_sk(skb) &&	       \
209		    cgroup_bpf_sock_enabled(__sk, CGROUP_INET_EGRESS))	       \
210			__ret = __cgroup_bpf_run_filter_skb(__sk, skb,	       \
211						      CGROUP_INET_EGRESS); \
212	}								       \
213	__ret;								       \
214})
215
216#define BPF_CGROUP_RUN_SK_PROG(sk, atype)				       \
217({									       \
218	int __ret = 0;							       \
219	if (cgroup_bpf_enabled(atype)) {					       \
220		__ret = __cgroup_bpf_run_filter_sk(sk, atype);		       \
221	}								       \
222	__ret;								       \
223})
224
225#define BPF_CGROUP_RUN_PROG_INET_SOCK(sk)				       \
226	BPF_CGROUP_RUN_SK_PROG(sk, CGROUP_INET_SOCK_CREATE)
227
228#define BPF_CGROUP_RUN_PROG_INET_SOCK_RELEASE(sk)			       \
229	BPF_CGROUP_RUN_SK_PROG(sk, CGROUP_INET_SOCK_RELEASE)
230
231#define BPF_CGROUP_RUN_PROG_INET4_POST_BIND(sk)				       \
232	BPF_CGROUP_RUN_SK_PROG(sk, CGROUP_INET4_POST_BIND)
233
234#define BPF_CGROUP_RUN_PROG_INET6_POST_BIND(sk)				       \
235	BPF_CGROUP_RUN_SK_PROG(sk, CGROUP_INET6_POST_BIND)
236
237#define BPF_CGROUP_RUN_SA_PROG(sk, uaddr, uaddrlen, atype)		       \
238({									       \
239	int __ret = 0;							       \
240	if (cgroup_bpf_enabled(atype))					       \
241		__ret = __cgroup_bpf_run_filter_sock_addr(sk,		       \
242				(struct sockaddr_unsized *)uaddr, uaddrlen,     \
243				atype, NULL, NULL);			       \
244	__ret;								       \
245})
246
247#define BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, uaddrlen, atype, t_ctx)	       \
248({									       \
249	int __ret = 0;							       \
250	if (cgroup_bpf_enabled(atype))	{				       \
251		lock_sock(sk);						       \
252		__ret = __cgroup_bpf_run_filter_sock_addr(sk,		       \
253				(struct sockaddr_unsized *)uaddr, uaddrlen,     \
254				atype, t_ctx, NULL);			       \
255		release_sock(sk);					       \
256	}								       \
257	__ret;								       \
258})
259
260/* BPF_CGROUP_INET4_BIND and BPF_CGROUP_INET6_BIND can return extra flags
261 * via upper bits of return code. The only flag that is supported
262 * (at bit position 0) is to indicate CAP_NET_BIND_SERVICE capability check
263 * should be bypassed (BPF_RET_BIND_NO_CAP_NET_BIND_SERVICE).
264 */
265#define BPF_CGROUP_RUN_PROG_INET_BIND_LOCK(sk, uaddr, uaddrlen, atype, bind_flags) \
266({									       \
267	u32 __flags = 0;						       \
268	int __ret = 0;							       \
269	if (cgroup_bpf_enabled(atype))	{				       \
270		lock_sock(sk);						       \
271		__ret = __cgroup_bpf_run_filter_sock_addr(sk,		       \
272				(struct sockaddr_unsized *)uaddr, uaddrlen,     \
273				atype, NULL, &__flags);			       \
274		release_sock(sk);					       \
275		if (__flags & BPF_RET_BIND_NO_CAP_NET_BIND_SERVICE)	       \
276			*bind_flags |= BIND_NO_CAP_NET_BIND_SERVICE;	       \
277	}								       \
278	__ret;								       \
279})
280
281#define BPF_CGROUP_PRE_CONNECT_ENABLED(sk)				       \
282	((cgroup_bpf_enabled(CGROUP_INET4_CONNECT) ||		       \
283	  cgroup_bpf_enabled(CGROUP_INET6_CONNECT)) &&		       \
284	 (sk)->sk_prot->pre_connect)
285
286#define BPF_CGROUP_RUN_PROG_INET4_CONNECT(sk, uaddr, uaddrlen)			\
287	BPF_CGROUP_RUN_SA_PROG(sk, uaddr, uaddrlen, CGROUP_INET4_CONNECT)
288
289#define BPF_CGROUP_RUN_PROG_INET6_CONNECT(sk, uaddr, uaddrlen)			\
290	BPF_CGROUP_RUN_SA_PROG(sk, uaddr, uaddrlen, CGROUP_INET6_CONNECT)
291
292#define BPF_CGROUP_RUN_PROG_INET4_CONNECT_LOCK(sk, uaddr, uaddrlen)		\
293	BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, uaddrlen, CGROUP_INET4_CONNECT, NULL)
294
295#define BPF_CGROUP_RUN_PROG_INET6_CONNECT_LOCK(sk, uaddr, uaddrlen)		\
296	BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, uaddrlen, CGROUP_INET6_CONNECT, NULL)
297
298#define BPF_CGROUP_RUN_PROG_UNIX_CONNECT_LOCK(sk, uaddr, uaddrlen)		\
299	BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, uaddrlen, CGROUP_UNIX_CONNECT, NULL)
300
301#define BPF_CGROUP_RUN_PROG_UDP4_SENDMSG_LOCK(sk, uaddr, uaddrlen, t_ctx)	\
302	BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, uaddrlen, CGROUP_UDP4_SENDMSG, t_ctx)
303
304#define BPF_CGROUP_RUN_PROG_UDP6_SENDMSG_LOCK(sk, uaddr, uaddrlen, t_ctx)	\
305	BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, uaddrlen, CGROUP_UDP6_SENDMSG, t_ctx)
306
307#define BPF_CGROUP_RUN_PROG_UNIX_SENDMSG_LOCK(sk, uaddr, uaddrlen, t_ctx)	\
308	BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, uaddrlen, CGROUP_UNIX_SENDMSG, t_ctx)
309
310#define BPF_CGROUP_RUN_PROG_UDP4_RECVMSG_LOCK(sk, uaddr, uaddrlen)		\
311	BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, uaddrlen, CGROUP_UDP4_RECVMSG, NULL)
312
313#define BPF_CGROUP_RUN_PROG_UDP6_RECVMSG_LOCK(sk, uaddr, uaddrlen)		\
314	BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, uaddrlen, CGROUP_UDP6_RECVMSG, NULL)
315
316#define BPF_CGROUP_RUN_PROG_UNIX_RECVMSG_LOCK(sk, uaddr, uaddrlen)		\
317	BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, uaddrlen, CGROUP_UNIX_RECVMSG, NULL)
318
319/* The SOCK_OPS"_SK" macro should be used when sock_ops->sk is not a
320 * fullsock and its parent fullsock cannot be traced by
321 * sk_to_full_sk().
322 *
323 * e.g. sock_ops->sk is a request_sock and it is under syncookie mode.
324 * Its listener-sk is not attached to the rsk_listener.
325 * In this case, the caller holds the listener-sk (unlocked),
326 * set its sock_ops->sk to req_sk, and call this SOCK_OPS"_SK" with
327 * the listener-sk such that the cgroup-bpf-progs of the
328 * listener-sk will be run.
329 *
330 * Regardless of syncookie mode or not,
331 * calling bpf_setsockopt on listener-sk will not make sense anyway,
332 * so passing 'sock_ops->sk == req_sk' to the bpf prog is appropriate here.
333 */
334#define BPF_CGROUP_RUN_PROG_SOCK_OPS_SK(sock_ops, sk)			\
335({									\
336	int __ret = 0;							\
337	if (cgroup_bpf_enabled(CGROUP_SOCK_OPS))			\
338		__ret = __cgroup_bpf_run_filter_sock_ops(sk,		\
339							 sock_ops,	\
340							 CGROUP_SOCK_OPS); \
341	__ret;								\
342})
343
344#define BPF_CGROUP_RUN_PROG_SOCK_OPS(sock_ops)				       \
345({									       \
346	int __ret = 0;							       \
347	if (cgroup_bpf_enabled(CGROUP_SOCK_OPS) && (sock_ops)->sk) {       \
348		typeof(sk) __sk = sk_to_full_sk((sock_ops)->sk);	       \
349		if (__sk && sk_fullsock(__sk))				       \
350			__ret = __cgroup_bpf_run_filter_sock_ops(__sk,	       \
351								 sock_ops,     \
352							 CGROUP_SOCK_OPS); \
353	}								       \
354	__ret;								       \
355})
356
357#define BPF_CGROUP_RUN_PROG_DEVICE_CGROUP(atype, major, minor, access)	      \
358({									      \
359	int __ret = 0;							      \
360	if (cgroup_bpf_enabled(CGROUP_DEVICE))			      \
361		__ret = __cgroup_bpf_check_dev_permission(atype, major, minor, \
362							  access,	      \
363							  CGROUP_DEVICE); \
364									      \
365	__ret;								      \
366})
367
368
369#define BPF_CGROUP_RUN_PROG_SYSCTL(head, table, write, buf, count, pos)  \
370({									       \
371	int __ret = 0;							       \
372	if (cgroup_bpf_enabled(CGROUP_SYSCTL))			       \
373		__ret = __cgroup_bpf_run_filter_sysctl(head, table, write,     \
374						       buf, count, pos,        \
375						       CGROUP_SYSCTL);     \
376	__ret;								       \
377})
378
379#define BPF_CGROUP_RUN_PROG_SETSOCKOPT(sock, level, optname, optval, optlen,   \
380				       kernel_optval)			       \
381({									       \
382	int __ret = 0;							       \
383	if (cgroup_bpf_enabled(CGROUP_SETSOCKOPT) &&			       \
384	    cgroup_bpf_sock_enabled(sock, CGROUP_SETSOCKOPT))		       \
385		__ret = __cgroup_bpf_run_filter_setsockopt(sock, level,	       \
386							   optname, optval,    \
387							   optlen,	       \
388							   kernel_optval);     \
389	__ret;								       \
390})
391
392#define BPF_CGROUP_RUN_PROG_GETSOCKOPT(sock, level, optname, optval, optlen,   \
393				       max_optlen, retval)		       \
394({									       \
395	int __ret = retval;						       \
396	if (cgroup_bpf_enabled(CGROUP_GETSOCKOPT) &&			       \
397	    cgroup_bpf_sock_enabled(sock, CGROUP_GETSOCKOPT))		       \
398		if (!(sock)->sk_prot->bpf_bypass_getsockopt ||		       \
399		    !INDIRECT_CALL_INET_1((sock)->sk_prot->bpf_bypass_getsockopt, \
400					tcp_bpf_bypass_getsockopt,	       \
401					level, optname))		       \
402			__ret = __cgroup_bpf_run_filter_getsockopt(	       \
403				sock, level, optname, optval, optlen,	       \
404				max_optlen, retval);			       \
405	__ret;								       \
406})
407
408#define BPF_CGROUP_RUN_PROG_GETSOCKOPT_KERN(sock, level, optname, optval,      \
409					    optlen, retval)		       \
410({									       \
411	int __ret = retval;						       \
412	if (cgroup_bpf_enabled(CGROUP_GETSOCKOPT))			       \
413		__ret = __cgroup_bpf_run_filter_getsockopt_kern(	       \
414			sock, level, optname, optval, optlen, retval);	       \
415	__ret;								       \
416})
417
418int cgroup_bpf_prog_attach(const union bpf_attr *attr,
419			   enum bpf_prog_type ptype, struct bpf_prog *prog);
420int cgroup_bpf_prog_detach(const union bpf_attr *attr,
421			   enum bpf_prog_type ptype);
422int cgroup_bpf_link_attach(const union bpf_attr *attr, struct bpf_prog *prog);
423int cgroup_bpf_prog_query(const union bpf_attr *attr,
424			  union bpf_attr __user *uattr);
425
426const struct bpf_func_proto *
427cgroup_common_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog);
428#else
429
430static inline void cgroup_bpf_lifetime_notifier_init(void)
431{
432	return;
433}
434
435static inline int cgroup_bpf_prog_attach(const union bpf_attr *attr,
436					 enum bpf_prog_type ptype,
437					 struct bpf_prog *prog)
438{
439	return -EINVAL;
440}
441
442static inline int cgroup_bpf_prog_detach(const union bpf_attr *attr,
443					 enum bpf_prog_type ptype)
444{
445	return -EINVAL;
446}
447
448static inline int cgroup_bpf_link_attach(const union bpf_attr *attr,
449					 struct bpf_prog *prog)
450{
451	return -EINVAL;
452}
453
454static inline int cgroup_bpf_prog_query(const union bpf_attr *attr,
455					union bpf_attr __user *uattr)
456{
457	return -EINVAL;
458}
459
460static inline const struct bpf_func_proto *
461cgroup_common_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog)
462{
463	return NULL;
464}
465
466static inline int bpf_cgroup_storage_assign(struct bpf_prog_aux *aux,
467					    struct bpf_map *map) { return 0; }
468static inline struct bpf_cgroup_storage *bpf_cgroup_storage_alloc(
469	struct bpf_prog *prog, enum bpf_cgroup_storage_type stype) { return NULL; }
470static inline void bpf_cgroup_storage_free(
471	struct bpf_cgroup_storage *storage) {}
472static inline int bpf_percpu_cgroup_storage_copy(struct bpf_map *map, void *key,
473						 void *value) {
474	return 0;
475}
476static inline int bpf_percpu_cgroup_storage_update(struct bpf_map *map,
477					void *key, void *value, u64 flags) {
478	return 0;
479}
480
481#define cgroup_bpf_enabled(atype) (0)
482#define BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, uaddrlen, atype, t_ctx) ({ 0; })
483#define BPF_CGROUP_RUN_SA_PROG(sk, uaddr, uaddrlen, atype) ({ 0; })
484#define BPF_CGROUP_PRE_CONNECT_ENABLED(sk) (0)
485#define BPF_CGROUP_RUN_PROG_INET_INGRESS(sk,skb) ({ 0; })
486#define BPF_CGROUP_RUN_PROG_INET_EGRESS(sk,skb) ({ 0; })
487#define BPF_CGROUP_RUN_PROG_INET_SOCK(sk) ({ 0; })
488#define BPF_CGROUP_RUN_PROG_INET_SOCK_RELEASE(sk) ({ 0; })
489#define BPF_CGROUP_RUN_PROG_INET_BIND_LOCK(sk, uaddr, uaddrlen, atype, flags) ({ 0; })
490#define BPF_CGROUP_RUN_PROG_INET4_POST_BIND(sk) ({ 0; })
491#define BPF_CGROUP_RUN_PROG_INET6_POST_BIND(sk) ({ 0; })
492#define BPF_CGROUP_RUN_PROG_INET4_CONNECT(sk, uaddr, uaddrlen) ({ 0; })
493#define BPF_CGROUP_RUN_PROG_INET4_CONNECT_LOCK(sk, uaddr, uaddrlen) ({ 0; })
494#define BPF_CGROUP_RUN_PROG_INET6_CONNECT(sk, uaddr, uaddrlen) ({ 0; })
495#define BPF_CGROUP_RUN_PROG_INET6_CONNECT_LOCK(sk, uaddr, uaddrlen) ({ 0; })
496#define BPF_CGROUP_RUN_PROG_UNIX_CONNECT_LOCK(sk, uaddr, uaddrlen) ({ 0; })
497#define BPF_CGROUP_RUN_PROG_UDP4_SENDMSG_LOCK(sk, uaddr, uaddrlen, t_ctx) ({ 0; })
498#define BPF_CGROUP_RUN_PROG_UDP6_SENDMSG_LOCK(sk, uaddr, uaddrlen, t_ctx) ({ 0; })
499#define BPF_CGROUP_RUN_PROG_UNIX_SENDMSG_LOCK(sk, uaddr, uaddrlen, t_ctx) ({ 0; })
500#define BPF_CGROUP_RUN_PROG_UDP4_RECVMSG_LOCK(sk, uaddr, uaddrlen) ({ 0; })
501#define BPF_CGROUP_RUN_PROG_UDP6_RECVMSG_LOCK(sk, uaddr, uaddrlen) ({ 0; })
502#define BPF_CGROUP_RUN_PROG_UNIX_RECVMSG_LOCK(sk, uaddr, uaddrlen) ({ 0; })
503#define BPF_CGROUP_RUN_PROG_SOCK_OPS(sock_ops) ({ 0; })
504#define BPF_CGROUP_RUN_PROG_DEVICE_CGROUP(atype, major, minor, access) ({ 0; })
505#define BPF_CGROUP_RUN_PROG_SYSCTL(head,table,write,buf,count,pos) ({ 0; })
506#define BPF_CGROUP_RUN_PROG_GETSOCKOPT(sock, level, optname, optval, \
507				       optlen, max_optlen, retval) ({ retval; })
508#define BPF_CGROUP_RUN_PROG_GETSOCKOPT_KERN(sock, level, optname, optval, \
509					    optlen, retval) ({ retval; })
510#define BPF_CGROUP_RUN_PROG_SETSOCKOPT(sock, level, optname, optval, optlen, \
511				       kernel_optval) ({ 0; })
512
513#endif /* CONFIG_CGROUP_BPF */
514
515#endif /* _BPF_CGROUP_H */
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