[mirror_ubuntu-jammy-kernel.git] / include / net / bpf_sk_storage.h

/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (c) 2019 Facebook */
#ifndef _BPF_SK_STORAGE_H
#define _BPF_SK_STORAGE_H

#include <linux/rculist.h>
#include <linux/list.h>
#include <linux/hash.h>
#include <linux/types.h>
#include <linux/spinlock.h>
#include <linux/bpf.h>
#include <net/sock.h>
#include <uapi/linux/sock_diag.h>
#include <uapi/linux/btf.h>
#include <linux/bpf_local_storage.h>

struct sock;

void bpf_sk_storage_free(struct sock *sk);

extern const struct bpf_func_proto bpf_sk_storage_get_proto;
extern const struct bpf_func_proto bpf_sk_storage_delete_proto;
extern const struct bpf_func_proto bpf_sk_storage_get_tracing_proto;
extern const struct bpf_func_proto bpf_sk_storage_delete_tracing_proto;

struct bpf_local_storage_elem;
struct bpf_sk_storage_diag;
struct sk_buff;
struct nlattr;

#ifdef CONFIG_BPF_SYSCALL
int bpf_sk_storage_clone(const struct sock *sk, struct sock *newsk);
struct bpf_sk_storage_diag *
bpf_sk_storage_diag_alloc(const struct nlattr *nla_stgs);
void bpf_sk_storage_diag_free(struct bpf_sk_storage_diag *diag);
int bpf_sk_storage_diag_put(struct bpf_sk_storage_diag *diag,
			    struct sock *sk, struct sk_buff *skb,
			    int stg_array_type,
			    unsigned int *res_diag_size);
#else
static inline int bpf_sk_storage_clone(const struct sock *sk,
				       struct sock *newsk)
{
	return 0;
}
static inline struct bpf_sk_storage_diag *
bpf_sk_storage_diag_alloc(const struct nlattr *nla)
{
	return NULL;
}
static inline void bpf_sk_storage_diag_free(struct bpf_sk_storage_diag *diag)
{
}
static inline int bpf_sk_storage_diag_put(struct bpf_sk_storage_diag *diag,
					  struct sock *sk, struct sk_buff *skb,
					  int stg_array_type,
					  unsigned int *res_diag_size)
{
	return 0;
}
#endif

#endif /* _BPF_SK_STORAGE_H */
Commit	Line	Data
6ac99e8f MKL	1	/* SPDX-License-Identifier: GPL-2.0 */
	2	/* Copyright (c) 2019 Facebook */
	3	#ifndef _BPF_SK_STORAGE_H
	4	#define _BPF_SK_STORAGE_H
	5
f836a56e KS	6	#include <linux/rculist.h>
	7	#include <linux/list.h>
	8	#include <linux/hash.h>
4cc9ce4e KS	9	#include <linux/types.h>
4cc9ce4e KS	10	#include <linux/spinlock.h>
f836a56e KS	11	#include <linux/bpf.h>
	12	#include <net/sock.h>
	13	#include <uapi/linux/sock_diag.h>
	14	#include <uapi/linux/btf.h>
450af8d0	15	#include <linux/bpf_local_storage.h>
4cc9ce4e	16
6ac99e8f MKL	17	struct sock;
	18
	19	void bpf_sk_storage_free(struct sock *sk);
	20
	21	extern const struct bpf_func_proto bpf_sk_storage_get_proto;
	22	extern const struct bpf_func_proto bpf_sk_storage_delete_proto;
8e4597c6 MKL	23	extern const struct bpf_func_proto bpf_sk_storage_get_tracing_proto;
8e4597c6 MKL	24	extern const struct bpf_func_proto bpf_sk_storage_delete_tracing_proto;
6ac99e8f	25
f836a56e	26	struct bpf_local_storage_elem;
1ed4d924 MKL	27	struct bpf_sk_storage_diag;
	28	struct sk_buff;
	29	struct nlattr;
1ed4d924	30
8f51dfc7 SF	31	#ifdef CONFIG_BPF_SYSCALL
8f51dfc7 SF	32	int bpf_sk_storage_clone(const struct sock sk, struct sock newsk);
1ed4d924 MKL	33	struct bpf_sk_storage_diag *
	34	bpf_sk_storage_diag_alloc(const struct nlattr *nla_stgs);
	35	void bpf_sk_storage_diag_free(struct bpf_sk_storage_diag *diag);
	36	int bpf_sk_storage_diag_put(struct bpf_sk_storage_diag *diag,
	37	struct sock sk, struct sk_buff skb,
	38	int stg_array_type,
	39	unsigned int *res_diag_size);
8f51dfc7 SF	40	#else
	41	static inline int bpf_sk_storage_clone(const struct sock *sk,
	42	struct sock *newsk)
	43	{
	44	return 0;
	45	}
1ed4d924 MKL	46	static inline struct bpf_sk_storage_diag *
	47	bpf_sk_storage_diag_alloc(const struct nlattr *nla)
	48	{
	49	return NULL;
	50	}
	51	static inline void bpf_sk_storage_diag_free(struct bpf_sk_storage_diag *diag)
	52	{
	53	}
	54	static inline int bpf_sk_storage_diag_put(struct bpf_sk_storage_diag *diag,
	55	struct sock sk, struct sk_buff skb,
	56	int stg_array_type,
	57	unsigned int *res_diag_size)
	58	{
	59	return 0;
	60	}
8f51dfc7 SF	61	#endif
8f51dfc7 SF	62
6ac99e8f	63	#endif /* _BPF_SK_STORAGE_H */