[mirror_ubuntu-eoan-kernel.git] / include / linux / bpf-cgroup.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _BPF_CGROUP_H
#define _BPF_CGROUP_H

#include <linux/bpf.h>
#include <linux/errno.h>
#include <linux/jump_label.h>
#include <linux/percpu.h>
#include <linux/rbtree.h>
#include <uapi/linux/bpf.h>

struct sock;
struct sockaddr;
struct cgroup;
struct sk_buff;
struct bpf_map;
struct bpf_prog;
struct bpf_sock_ops_kern;
struct bpf_cgroup_storage;

#ifdef CONFIG_CGROUP_BPF

extern struct static_key_false cgroup_bpf_enabled_key;
#define cgroup_bpf_enabled static_branch_unlikely(&cgroup_bpf_enabled_key)

DECLARE_PER_CPU(struct bpf_cgroup_storage*,
		bpf_cgroup_storage[MAX_BPF_CGROUP_STORAGE_TYPE]);

#define for_each_cgroup_storage_type(stype) \
	for (stype = 0; stype < MAX_BPF_CGROUP_STORAGE_TYPE; stype++)

struct bpf_cgroup_storage_map;

struct bpf_storage_buffer {
	struct rcu_head rcu;
	char data[0];
};

struct bpf_cgroup_storage {
	struct bpf_storage_buffer *buf;
	struct bpf_cgroup_storage_map *map;
	struct bpf_cgroup_storage_key key;
	struct list_head list;
	struct rb_node node;
	struct rcu_head rcu;
};

struct bpf_prog_list {
	struct list_head node;
	struct bpf_prog *prog;
	struct bpf_cgroup_storage *storage[MAX_BPF_CGROUP_STORAGE_TYPE];
};

struct bpf_prog_array;

struct cgroup_bpf {
	/* array of effective progs in this cgroup */
	struct bpf_prog_array __rcu *effective[MAX_BPF_ATTACH_TYPE];

	/* attached progs to this cgroup and attach flags
	 * when flags == 0 or BPF_F_ALLOW_OVERRIDE the progs list will
	 * have either zero or one element
	 * when BPF_F_ALLOW_MULTI the list can have up to BPF_CGROUP_MAX_PROGS
	 */
	struct list_head progs[MAX_BPF_ATTACH_TYPE];
	u32 flags[MAX_BPF_ATTACH_TYPE];

	/* temp storage for effective prog array used by prog_attach/detach */
	struct bpf_prog_array __rcu *inactive;
};

void cgroup_bpf_put(struct cgroup *cgrp);
int cgroup_bpf_inherit(struct cgroup *cgrp);

int __cgroup_bpf_attach(struct cgroup *cgrp, struct bpf_prog *prog,
			enum bpf_attach_type type, u32 flags);
int __cgroup_bpf_detach(struct cgroup *cgrp, struct bpf_prog *prog,
			enum bpf_attach_type type, u32 flags);
int __cgroup_bpf_query(struct cgroup *cgrp, const union bpf_attr *attr,
		       union bpf_attr __user *uattr);

/* Wrapper for __cgroup_bpf_*() protected by cgroup_mutex */
int cgroup_bpf_attach(struct cgroup *cgrp, struct bpf_prog *prog,
		      enum bpf_attach_type type, u32 flags);
int cgroup_bpf_detach(struct cgroup *cgrp, struct bpf_prog *prog,
		      enum bpf_attach_type type, u32 flags);
int cgroup_bpf_query(struct cgroup *cgrp, const union bpf_attr *attr,
		     union bpf_attr __user *uattr);

int __cgroup_bpf_run_filter_skb(struct sock *sk,
				struct sk_buff *skb,
				enum bpf_attach_type type);

int __cgroup_bpf_run_filter_sk(struct sock *sk,
			       enum bpf_attach_type type);

int __cgroup_bpf_run_filter_sock_addr(struct sock *sk,
				      struct sockaddr *uaddr,
				      enum bpf_attach_type type,
				      void *t_ctx);

int __cgroup_bpf_run_filter_sock_ops(struct sock *sk,
				     struct bpf_sock_ops_kern *sock_ops,
				     enum bpf_attach_type type);

int __cgroup_bpf_check_dev_permission(short dev_type, u32 major, u32 minor,
				      short access, enum bpf_attach_type type);

static inline enum bpf_cgroup_storage_type cgroup_storage_type(
	struct bpf_map *map)
{
	return BPF_CGROUP_STORAGE_SHARED;
}

static inline void bpf_cgroup_storage_set(struct bpf_cgroup_storage
					  *storage[MAX_BPF_CGROUP_STORAGE_TYPE])
{
	enum bpf_cgroup_storage_type stype;

	for_each_cgroup_storage_type(stype)
		this_cpu_write(bpf_cgroup_storage[stype], storage[stype]);
}

struct bpf_cgroup_storage *bpf_cgroup_storage_alloc(struct bpf_prog *prog,
					enum bpf_cgroup_storage_type stype);
void bpf_cgroup_storage_free(struct bpf_cgroup_storage *storage);
void bpf_cgroup_storage_link(struct bpf_cgroup_storage *storage,
			     struct cgroup *cgroup,
			     enum bpf_attach_type type);
void bpf_cgroup_storage_unlink(struct bpf_cgroup_storage *storage);
int bpf_cgroup_storage_assign(struct bpf_prog *prog, struct bpf_map *map);
void bpf_cgroup_storage_release(struct bpf_prog *prog, struct bpf_map *map);

/* Wrappers for __cgroup_bpf_run_filter_skb() guarded by cgroup_bpf_enabled. */
#define BPF_CGROUP_RUN_PROG_INET_INGRESS(sk, skb)			      \
({									      \
	int __ret = 0;							      \
	if (cgroup_bpf_enabled)						      \
		__ret = __cgroup_bpf_run_filter_skb(sk, skb,		      \
						    BPF_CGROUP_INET_INGRESS); \
									      \
	__ret;								      \
})

#define BPF_CGROUP_RUN_PROG_INET_EGRESS(sk, skb)			       \
({									       \
	int __ret = 0;							       \
	if (cgroup_bpf_enabled && sk && sk == skb->sk) {		       \
		typeof(sk) __sk = sk_to_full_sk(sk);			       \
		if (sk_fullsock(__sk))					       \
			__ret = __cgroup_bpf_run_filter_skb(__sk, skb,	       \
						      BPF_CGROUP_INET_EGRESS); \
	}								       \
	__ret;								       \
})

#define BPF_CGROUP_RUN_SK_PROG(sk, type)				       \
({									       \
	int __ret = 0;							       \
	if (cgroup_bpf_enabled) {					       \
		__ret = __cgroup_bpf_run_filter_sk(sk, type);		       \
	}								       \
	__ret;								       \
})

#define BPF_CGROUP_RUN_PROG_INET_SOCK(sk)				       \
	BPF_CGROUP_RUN_SK_PROG(sk, BPF_CGROUP_INET_SOCK_CREATE)

#define BPF_CGROUP_RUN_PROG_INET4_POST_BIND(sk)				       \
	BPF_CGROUP_RUN_SK_PROG(sk, BPF_CGROUP_INET4_POST_BIND)

#define BPF_CGROUP_RUN_PROG_INET6_POST_BIND(sk)				       \
	BPF_CGROUP_RUN_SK_PROG(sk, BPF_CGROUP_INET6_POST_BIND)

#define BPF_CGROUP_RUN_SA_PROG(sk, uaddr, type)				       \
({									       \
	int __ret = 0;							       \
	if (cgroup_bpf_enabled)						       \
		__ret = __cgroup_bpf_run_filter_sock_addr(sk, uaddr, type,     \
							  NULL);	       \
	__ret;								       \
})

#define BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, type, t_ctx)		       \
({									       \
	int __ret = 0;							       \
	if (cgroup_bpf_enabled)	{					       \
		lock_sock(sk);						       \
		__ret = __cgroup_bpf_run_filter_sock_addr(sk, uaddr, type,     \
							  t_ctx);	       \
		release_sock(sk);					       \
	}								       \
	__ret;								       \
})

#define BPF_CGROUP_RUN_PROG_INET4_BIND(sk, uaddr)			       \
	BPF_CGROUP_RUN_SA_PROG(sk, uaddr, BPF_CGROUP_INET4_BIND)

#define BPF_CGROUP_RUN_PROG_INET6_BIND(sk, uaddr)			       \
	BPF_CGROUP_RUN_SA_PROG(sk, uaddr, BPF_CGROUP_INET6_BIND)

#define BPF_CGROUP_PRE_CONNECT_ENABLED(sk) (cgroup_bpf_enabled && \
					    sk->sk_prot->pre_connect)

#define BPF_CGROUP_RUN_PROG_INET4_CONNECT(sk, uaddr)			       \
	BPF_CGROUP_RUN_SA_PROG(sk, uaddr, BPF_CGROUP_INET4_CONNECT)

#define BPF_CGROUP_RUN_PROG_INET6_CONNECT(sk, uaddr)			       \
	BPF_CGROUP_RUN_SA_PROG(sk, uaddr, BPF_CGROUP_INET6_CONNECT)

#define BPF_CGROUP_RUN_PROG_INET4_CONNECT_LOCK(sk, uaddr)		       \
	BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, BPF_CGROUP_INET4_CONNECT, NULL)

#define BPF_CGROUP_RUN_PROG_INET6_CONNECT_LOCK(sk, uaddr)		       \
	BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, BPF_CGROUP_INET6_CONNECT, NULL)

#define BPF_CGROUP_RUN_PROG_UDP4_SENDMSG_LOCK(sk, uaddr, t_ctx)		       \
	BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, BPF_CGROUP_UDP4_SENDMSG, t_ctx)

#define BPF_CGROUP_RUN_PROG_UDP6_SENDMSG_LOCK(sk, uaddr, t_ctx)		       \
	BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, BPF_CGROUP_UDP6_SENDMSG, t_ctx)

#define BPF_CGROUP_RUN_PROG_SOCK_OPS(sock_ops)				       \
({									       \
	int __ret = 0;							       \
	if (cgroup_bpf_enabled && (sock_ops)->sk) {	       \
		typeof(sk) __sk = sk_to_full_sk((sock_ops)->sk);	       \
		if (__sk && sk_fullsock(__sk))				       \
			__ret = __cgroup_bpf_run_filter_sock_ops(__sk,	       \
								 sock_ops,     \
							 BPF_CGROUP_SOCK_OPS); \
	}								       \
	__ret;								       \
})

#define BPF_CGROUP_RUN_PROG_DEVICE_CGROUP(type, major, minor, access)	      \
({									      \
	int __ret = 0;							      \
	if (cgroup_bpf_enabled)						      \
		__ret = __cgroup_bpf_check_dev_permission(type, major, minor, \
							  access,	      \
							  BPF_CGROUP_DEVICE); \
									      \
	__ret;								      \
})
int cgroup_bpf_prog_attach(const union bpf_attr *attr,
			   enum bpf_prog_type ptype, struct bpf_prog *prog);
int cgroup_bpf_prog_detach(const union bpf_attr *attr,
			   enum bpf_prog_type ptype);
int cgroup_bpf_prog_query(const union bpf_attr *attr,
			  union bpf_attr __user *uattr);
#else

struct bpf_prog;
struct cgroup_bpf {};
static inline void cgroup_bpf_put(struct cgroup *cgrp) {}
static inline int cgroup_bpf_inherit(struct cgroup *cgrp) { return 0; }

static inline int cgroup_bpf_prog_attach(const union bpf_attr *attr,
					 enum bpf_prog_type ptype,
					 struct bpf_prog *prog)
{
	return -EINVAL;
}

static inline int cgroup_bpf_prog_detach(const union bpf_attr *attr,
					 enum bpf_prog_type ptype)
{
	return -EINVAL;
}

static inline int cgroup_bpf_prog_query(const union bpf_attr *attr,
					union bpf_attr __user *uattr)
{
	return -EINVAL;
}

static inline void bpf_cgroup_storage_set(
	struct bpf_cgroup_storage *storage[MAX_BPF_CGROUP_STORAGE_TYPE]) {}
static inline int bpf_cgroup_storage_assign(struct bpf_prog *prog,
					    struct bpf_map *map) { return 0; }
static inline void bpf_cgroup_storage_release(struct bpf_prog *prog,
					      struct bpf_map *map) {}
static inline struct bpf_cgroup_storage *bpf_cgroup_storage_alloc(
	struct bpf_prog *prog, enum bpf_cgroup_storage_type stype) { return 0; }
static inline void bpf_cgroup_storage_free(
	struct bpf_cgroup_storage *storage) {}

#define cgroup_bpf_enabled (0)
#define BPF_CGROUP_PRE_CONNECT_ENABLED(sk) (0)
#define BPF_CGROUP_RUN_PROG_INET_INGRESS(sk,skb) ({ 0; })
#define BPF_CGROUP_RUN_PROG_INET_EGRESS(sk,skb) ({ 0; })
#define BPF_CGROUP_RUN_PROG_INET_SOCK(sk) ({ 0; })
#define BPF_CGROUP_RUN_PROG_INET4_BIND(sk, uaddr) ({ 0; })
#define BPF_CGROUP_RUN_PROG_INET6_BIND(sk, uaddr) ({ 0; })
#define BPF_CGROUP_RUN_PROG_INET4_POST_BIND(sk) ({ 0; })
#define BPF_CGROUP_RUN_PROG_INET6_POST_BIND(sk) ({ 0; })
#define BPF_CGROUP_RUN_PROG_INET4_CONNECT(sk, uaddr) ({ 0; })
#define BPF_CGROUP_RUN_PROG_INET4_CONNECT_LOCK(sk, uaddr) ({ 0; })
#define BPF_CGROUP_RUN_PROG_INET6_CONNECT(sk, uaddr) ({ 0; })
#define BPF_CGROUP_RUN_PROG_INET6_CONNECT_LOCK(sk, uaddr) ({ 0; })
#define BPF_CGROUP_RUN_PROG_UDP4_SENDMSG_LOCK(sk, uaddr, t_ctx) ({ 0; })
#define BPF_CGROUP_RUN_PROG_UDP6_SENDMSG_LOCK(sk, uaddr, t_ctx) ({ 0; })
#define BPF_CGROUP_RUN_PROG_SOCK_OPS(sock_ops) ({ 0; })
#define BPF_CGROUP_RUN_PROG_DEVICE_CGROUP(type,major,minor,access) ({ 0; })

#define for_each_cgroup_storage_type(stype) for (; false; )

#endif /* CONFIG_CGROUP_BPF */

#endif /* _BPF_CGROUP_H */
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
30070984 DM	2	#ifndef _BPF_CGROUP_H
	3	#define _BPF_CGROUP_H
	4
8bad74f9	5	#include <linux/bpf.h>
f292b87d	6	#include <linux/errno.h>
30070984	7	#include <linux/jump_label.h>
aa0ad5b0	8	#include <linux/percpu.h>
de9cbbaa	9	#include <linux/rbtree.h>
30070984 DM	10	#include <uapi/linux/bpf.h>
	11
	12	struct sock;
4fbac77d	13	struct sockaddr;
30070984 DM	14	struct cgroup;
30070984 DM	15	struct sk_buff;
de9cbbaa RG	16	struct bpf_map;
de9cbbaa RG	17	struct bpf_prog;
40304b2a	18	struct bpf_sock_ops_kern;
de9cbbaa	19	struct bpf_cgroup_storage;
30070984 DM	20
	21	#ifdef CONFIG_CGROUP_BPF
	22
	23	extern struct static_key_false cgroup_bpf_enabled_key;
	24	#define cgroup_bpf_enabled static_branch_unlikely(&cgroup_bpf_enabled_key)
	25
f294b37e RG	26	DECLARE_PER_CPU(struct bpf_cgroup_storage*,
f294b37e RG	27	bpf_cgroup_storage[MAX_BPF_CGROUP_STORAGE_TYPE]);
8bad74f9 RG	28
	29	#define for_each_cgroup_storage_type(stype) \
	30	for (stype = 0; stype < MAX_BPF_CGROUP_STORAGE_TYPE; stype++)
aa0ad5b0	31
de9cbbaa RG	32	struct bpf_cgroup_storage_map;
	33
	34	struct bpf_storage_buffer {
	35	struct rcu_head rcu;
	36	char data[0];
	37	};
	38
	39	struct bpf_cgroup_storage {
	40	struct bpf_storage_buffer *buf;
	41	struct bpf_cgroup_storage_map *map;
	42	struct bpf_cgroup_storage_key key;
	43	struct list_head list;
	44	struct rb_node node;
	45	struct rcu_head rcu;
	46	};
	47
324bda9e AS	48	struct bpf_prog_list {
	49	struct list_head node;
	50	struct bpf_prog *prog;
8bad74f9	51	struct bpf_cgroup_storage *storage[MAX_BPF_CGROUP_STORAGE_TYPE];
324bda9e AS	52	};
	53
	54	struct bpf_prog_array;
	55
30070984	56	struct cgroup_bpf {
324bda9e AS	57	/* array of effective progs in this cgroup */
	58	struct bpf_prog_array __rcu *effective[MAX_BPF_ATTACH_TYPE];
	59
	60	/* attached progs to this cgroup and attach flags
	61	* when flags == 0 or BPF_F_ALLOW_OVERRIDE the progs list will
	62	* have either zero or one element
	63	* when BPF_F_ALLOW_MULTI the list can have up to BPF_CGROUP_MAX_PROGS
30070984	64	*/
324bda9e AS	65	struct list_head progs[MAX_BPF_ATTACH_TYPE];
	66	u32 flags[MAX_BPF_ATTACH_TYPE];
	67
	68	/* temp storage for effective prog array used by prog_attach/detach */
	69	struct bpf_prog_array __rcu *inactive;
30070984 DM	70	};
	71
	72	void cgroup_bpf_put(struct cgroup *cgrp);
324bda9e	73	int cgroup_bpf_inherit(struct cgroup *cgrp);
30070984	74
324bda9e AS	75	int __cgroup_bpf_attach(struct cgroup cgrp, struct bpf_prog prog,
	76	enum bpf_attach_type type, u32 flags);
	77	int __cgroup_bpf_detach(struct cgroup cgrp, struct bpf_prog prog,
	78	enum bpf_attach_type type, u32 flags);
468e2f64 AS	79	int __cgroup_bpf_query(struct cgroup cgrp, const union bpf_attr attr,
468e2f64 AS	80	union bpf_attr __user *uattr);
30070984	81
324bda9e AS	82	/* Wrapper for __cgroup_bpf_() protected by cgroup_mutex /
	83	int cgroup_bpf_attach(struct cgroup cgrp, struct bpf_prog prog,
	84	enum bpf_attach_type type, u32 flags);
	85	int cgroup_bpf_detach(struct cgroup cgrp, struct bpf_prog prog,
	86	enum bpf_attach_type type, u32 flags);
468e2f64 AS	87	int cgroup_bpf_query(struct cgroup cgrp, const union bpf_attr attr,
468e2f64 AS	88	union bpf_attr __user *uattr);
30070984	89
b2cd1257 DA	90	int __cgroup_bpf_run_filter_skb(struct sock *sk,
	91	struct sk_buff *skb,
	92	enum bpf_attach_type type);
	93
61023658 DA	94	int __cgroup_bpf_run_filter_sk(struct sock *sk,
	95	enum bpf_attach_type type);
	96
4fbac77d AI	97	int __cgroup_bpf_run_filter_sock_addr(struct sock *sk,
4fbac77d AI	98	struct sockaddr *uaddr,
1cedee13 AI	99	enum bpf_attach_type type,
1cedee13 AI	100	void *t_ctx);
4fbac77d	101
40304b2a LB	102	int __cgroup_bpf_run_filter_sock_ops(struct sock *sk,
	103	struct bpf_sock_ops_kern *sock_ops,
	104	enum bpf_attach_type type);
	105
ebc614f6 RG	106	int __cgroup_bpf_check_dev_permission(short dev_type, u32 major, u32 minor,
	107	short access, enum bpf_attach_type type);
	108
8bad74f9 RG	109	static inline enum bpf_cgroup_storage_type cgroup_storage_type(
8bad74f9 RG	110	struct bpf_map *map)
aa0ad5b0	111	{
8bad74f9 RG	112	return BPF_CGROUP_STORAGE_SHARED;
	113	}
	114
	115	static inline void bpf_cgroup_storage_set(struct bpf_cgroup_storage
	116	*storage[MAX_BPF_CGROUP_STORAGE_TYPE])
	117	{
	118	enum bpf_cgroup_storage_type stype;
aa0ad5b0	119
f294b37e RG	120	for_each_cgroup_storage_type(stype)
f294b37e RG	121	this_cpu_write(bpf_cgroup_storage[stype], storage[stype]);
aa0ad5b0 RG	122	}
aa0ad5b0 RG	123
8bad74f9 RG	124	struct bpf_cgroup_storage bpf_cgroup_storage_alloc(struct bpf_prog prog,
8bad74f9 RG	125	enum bpf_cgroup_storage_type stype);
de9cbbaa RG	126	void bpf_cgroup_storage_free(struct bpf_cgroup_storage *storage);
	127	void bpf_cgroup_storage_link(struct bpf_cgroup_storage *storage,
	128	struct cgroup *cgroup,
	129	enum bpf_attach_type type);
	130	void bpf_cgroup_storage_unlink(struct bpf_cgroup_storage *storage);
	131	int bpf_cgroup_storage_assign(struct bpf_prog prog, struct bpf_map map);
	132	void bpf_cgroup_storage_release(struct bpf_prog prog, struct bpf_map map);
	133
b2cd1257 DA	134	/* Wrappers for __cgroup_bpf_run_filter_skb() guarded by cgroup_bpf_enabled. */
	135	#define BPF_CGROUP_RUN_PROG_INET_INGRESS(sk, skb) \
	136	({ \
	137	int __ret = 0; \
	138	if (cgroup_bpf_enabled) \
	139	__ret = __cgroup_bpf_run_filter_skb(sk, skb, \
	140	BPF_CGROUP_INET_INGRESS); \
	141	\
	142	__ret; \
30070984 DM	143	})
30070984 DM	144
b2cd1257 DA	145	#define BPF_CGROUP_RUN_PROG_INET_EGRESS(sk, skb) \
	146	({ \
	147	int __ret = 0; \
	148	if (cgroup_bpf_enabled && sk && sk == skb->sk) { \
	149	typeof(sk) __sk = sk_to_full_sk(sk); \
	150	if (sk_fullsock(__sk)) \
	151	__ret = __cgroup_bpf_run_filter_skb(__sk, skb, \
	152	BPF_CGROUP_INET_EGRESS); \
	153	} \
	154	__ret; \
30070984 DM	155	})
30070984 DM	156
aac3fc32	157	#define BPF_CGROUP_RUN_SK_PROG(sk, type) \
61023658 DA	158	({ \
61023658 DA	159	int __ret = 0; \
ee07862f	160	if (cgroup_bpf_enabled) { \
aac3fc32	161	__ret = __cgroup_bpf_run_filter_sk(sk, type); \
61023658 DA	162	} \
	163	__ret; \
	164	})
	165
aac3fc32 AI	166	#define BPF_CGROUP_RUN_PROG_INET_SOCK(sk) \
	167	BPF_CGROUP_RUN_SK_PROG(sk, BPF_CGROUP_INET_SOCK_CREATE)
	168
	169	#define BPF_CGROUP_RUN_PROG_INET4_POST_BIND(sk) \
	170	BPF_CGROUP_RUN_SK_PROG(sk, BPF_CGROUP_INET4_POST_BIND)
	171
	172	#define BPF_CGROUP_RUN_PROG_INET6_POST_BIND(sk) \
	173	BPF_CGROUP_RUN_SK_PROG(sk, BPF_CGROUP_INET6_POST_BIND)
	174
4fbac77d AI	175	#define BPF_CGROUP_RUN_SA_PROG(sk, uaddr, type) \
	176	({ \
	177	int __ret = 0; \
	178	if (cgroup_bpf_enabled) \
1cedee13 AI	179	__ret = __cgroup_bpf_run_filter_sock_addr(sk, uaddr, type, \
1cedee13 AI	180	NULL); \
4fbac77d AI	181	__ret; \
	182	})
	183
1cedee13	184	#define BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, type, t_ctx) \
d74bad4e AI	185	({ \
	186	int __ret = 0; \
	187	if (cgroup_bpf_enabled) { \
	188	lock_sock(sk); \
1cedee13 AI	189	__ret = __cgroup_bpf_run_filter_sock_addr(sk, uaddr, type, \
1cedee13 AI	190	t_ctx); \
d74bad4e AI	191	release_sock(sk); \
	192	} \
	193	__ret; \
	194	})
	195
4fbac77d AI	196	#define BPF_CGROUP_RUN_PROG_INET4_BIND(sk, uaddr) \
	197	BPF_CGROUP_RUN_SA_PROG(sk, uaddr, BPF_CGROUP_INET4_BIND)
	198
	199	#define BPF_CGROUP_RUN_PROG_INET6_BIND(sk, uaddr) \
	200	BPF_CGROUP_RUN_SA_PROG(sk, uaddr, BPF_CGROUP_INET6_BIND)
	201
d74bad4e AI	202	#define BPF_CGROUP_PRE_CONNECT_ENABLED(sk) (cgroup_bpf_enabled && \
	203	sk->sk_prot->pre_connect)
	204
	205	#define BPF_CGROUP_RUN_PROG_INET4_CONNECT(sk, uaddr) \
	206	BPF_CGROUP_RUN_SA_PROG(sk, uaddr, BPF_CGROUP_INET4_CONNECT)
	207
	208	#define BPF_CGROUP_RUN_PROG_INET6_CONNECT(sk, uaddr) \
	209	BPF_CGROUP_RUN_SA_PROG(sk, uaddr, BPF_CGROUP_INET6_CONNECT)
	210
	211	#define BPF_CGROUP_RUN_PROG_INET4_CONNECT_LOCK(sk, uaddr) \
1cedee13	212	BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, BPF_CGROUP_INET4_CONNECT, NULL)
d74bad4e AI	213
d74bad4e AI	214	#define BPF_CGROUP_RUN_PROG_INET6_CONNECT_LOCK(sk, uaddr) \
1cedee13 AI	215	BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, BPF_CGROUP_INET6_CONNECT, NULL)
	216
	217	#define BPF_CGROUP_RUN_PROG_UDP4_SENDMSG_LOCK(sk, uaddr, t_ctx) \
	218	BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, BPF_CGROUP_UDP4_SENDMSG, t_ctx)
	219
	220	#define BPF_CGROUP_RUN_PROG_UDP6_SENDMSG_LOCK(sk, uaddr, t_ctx) \
	221	BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, BPF_CGROUP_UDP6_SENDMSG, t_ctx)
d74bad4e	222
40304b2a LB	223	#define BPF_CGROUP_RUN_PROG_SOCK_OPS(sock_ops) \
	224	({ \
	225	int __ret = 0; \
	226	if (cgroup_bpf_enabled && (sock_ops)->sk) { \
	227	typeof(sk) __sk = sk_to_full_sk((sock_ops)->sk); \
df39a9f1	228	if (__sk && sk_fullsock(__sk)) \
40304b2a LB	229	__ret = __cgroup_bpf_run_filter_sock_ops(__sk, \
	230	sock_ops, \
	231	BPF_CGROUP_SOCK_OPS); \
	232	} \
	233	__ret; \
	234	})
ebc614f6 RG	235
	236	#define BPF_CGROUP_RUN_PROG_DEVICE_CGROUP(type, major, minor, access) \
	237	({ \
	238	int __ret = 0; \
	239	if (cgroup_bpf_enabled) \
	240	__ret = __cgroup_bpf_check_dev_permission(type, major, minor, \
	241	access, \
	242	BPF_CGROUP_DEVICE); \
	243	\
	244	__ret; \
	245	})
fdb5c453 SY	246	int cgroup_bpf_prog_attach(const union bpf_attr *attr,
	247	enum bpf_prog_type ptype, struct bpf_prog *prog);
	248	int cgroup_bpf_prog_detach(const union bpf_attr *attr,
	249	enum bpf_prog_type ptype);
	250	int cgroup_bpf_prog_query(const union bpf_attr *attr,
	251	union bpf_attr __user *uattr);
30070984 DM	252	#else
30070984 DM	253
fdb5c453	254	struct bpf_prog;
30070984 DM	255	struct cgroup_bpf {};
30070984 DM	256	static inline void cgroup_bpf_put(struct cgroup *cgrp) {}
324bda9e	257	static inline int cgroup_bpf_inherit(struct cgroup *cgrp) { return 0; }
30070984	258
fdb5c453 SY	259	static inline int cgroup_bpf_prog_attach(const union bpf_attr *attr,
	260	enum bpf_prog_type ptype,
	261	struct bpf_prog *prog)
	262	{
	263	return -EINVAL;
	264	}
	265
	266	static inline int cgroup_bpf_prog_detach(const union bpf_attr *attr,
	267	enum bpf_prog_type ptype)
	268	{
	269	return -EINVAL;
	270	}
	271
	272	static inline int cgroup_bpf_prog_query(const union bpf_attr *attr,
	273	union bpf_attr __user *uattr)
	274	{
	275	return -EINVAL;
	276	}
	277
8bad74f9 RG	278	static inline void bpf_cgroup_storage_set(
8bad74f9 RG	279	struct bpf_cgroup_storage *storage[MAX_BPF_CGROUP_STORAGE_TYPE]) {}
de9cbbaa RG	280	static inline int bpf_cgroup_storage_assign(struct bpf_prog *prog,
	281	struct bpf_map *map) { return 0; }
	282	static inline void bpf_cgroup_storage_release(struct bpf_prog *prog,
	283	struct bpf_map *map) {}
	284	static inline struct bpf_cgroup_storage *bpf_cgroup_storage_alloc(
8bad74f9	285	struct bpf_prog *prog, enum bpf_cgroup_storage_type stype) { return 0; }
de9cbbaa RG	286	static inline void bpf_cgroup_storage_free(
	287	struct bpf_cgroup_storage *storage) {}
	288
13193b0f	289	#define cgroup_bpf_enabled (0)
d74bad4e	290	#define BPF_CGROUP_PRE_CONNECT_ENABLED(sk) (0)
30070984 DM	291	#define BPF_CGROUP_RUN_PROG_INET_INGRESS(sk,skb) ({ 0; })
30070984 DM	292	#define BPF_CGROUP_RUN_PROG_INET_EGRESS(sk,skb) ({ 0; })
61023658	293	#define BPF_CGROUP_RUN_PROG_INET_SOCK(sk) ({ 0; })
4fbac77d AI	294	#define BPF_CGROUP_RUN_PROG_INET4_BIND(sk, uaddr) ({ 0; })
4fbac77d AI	295	#define BPF_CGROUP_RUN_PROG_INET6_BIND(sk, uaddr) ({ 0; })
aac3fc32 AI	296	#define BPF_CGROUP_RUN_PROG_INET4_POST_BIND(sk) ({ 0; })
aac3fc32 AI	297	#define BPF_CGROUP_RUN_PROG_INET6_POST_BIND(sk) ({ 0; })
d74bad4e AI	298	#define BPF_CGROUP_RUN_PROG_INET4_CONNECT(sk, uaddr) ({ 0; })
	299	#define BPF_CGROUP_RUN_PROG_INET4_CONNECT_LOCK(sk, uaddr) ({ 0; })
	300	#define BPF_CGROUP_RUN_PROG_INET6_CONNECT(sk, uaddr) ({ 0; })
	301	#define BPF_CGROUP_RUN_PROG_INET6_CONNECT_LOCK(sk, uaddr) ({ 0; })
1cedee13 AI	302	#define BPF_CGROUP_RUN_PROG_UDP4_SENDMSG_LOCK(sk, uaddr, t_ctx) ({ 0; })
1cedee13 AI	303	#define BPF_CGROUP_RUN_PROG_UDP6_SENDMSG_LOCK(sk, uaddr, t_ctx) ({ 0; })
40304b2a	304	#define BPF_CGROUP_RUN_PROG_SOCK_OPS(sock_ops) ({ 0; })
ebc614f6	305	#define BPF_CGROUP_RUN_PROG_DEVICE_CGROUP(type,major,minor,access) ({ 0; })
30070984	306
8bad74f9 RG	307	#define for_each_cgroup_storage_type(stype) for (; false; )
8bad74f9 RG	308
30070984 DM	309	#endif /* CONFIG_CGROUP_BPF */
	310
	311	#endif /* _BPF_CGROUP_H */