[linux-block.git] / include / net / af_rxrpc.h

/* SPDX-License-Identifier: GPL-2.0-or-later */
/* RxRPC kernel service interface definitions
 *
 * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
 * Written by David Howells (dhowells@redhat.com)
 */

#ifndef _NET_RXRPC_H
#define _NET_RXRPC_H

#include <linux/rxrpc.h>
#include <linux/ktime.h>

struct key;
struct sock;
struct socket;
struct rxrpc_call;
struct rxrpc_peer;
enum rxrpc_abort_reason;

enum rxrpc_interruptibility {
	RXRPC_INTERRUPTIBLE,	/* Call is interruptible */
	RXRPC_PREINTERRUPTIBLE,	/* Call can be cancelled whilst waiting for a slot */
	RXRPC_UNINTERRUPTIBLE,	/* Call should not be interruptible at all */
};

/*
 * Debug ID counter for tracing.
 */
extern atomic_t rxrpc_debug_id;

typedef void (*rxrpc_notify_rx_t)(struct sock *, struct rxrpc_call *,
				  unsigned long);
typedef void (*rxrpc_notify_end_tx_t)(struct sock *, struct rxrpc_call *,
				      unsigned long);
typedef void (*rxrpc_notify_new_call_t)(struct sock *, struct rxrpc_call *,
					unsigned long);
typedef void (*rxrpc_discard_new_call_t)(struct rxrpc_call *, unsigned long);
typedef void (*rxrpc_user_attach_call_t)(struct rxrpc_call *, unsigned long);

void rxrpc_kernel_new_call_notification(struct socket *,
					rxrpc_notify_new_call_t,
					rxrpc_discard_new_call_t);
struct rxrpc_call *rxrpc_kernel_begin_call(struct socket *sock,
					   struct rxrpc_peer *peer,
					   struct key *key,
					   unsigned long user_call_ID,
					   s64 tx_total_len,
					   u32 hard_timeout,
					   gfp_t gfp,
					   rxrpc_notify_rx_t notify_rx,
					   u16 service_id,
					   bool upgrade,
					   enum rxrpc_interruptibility interruptibility,
					   unsigned int debug_id);
int rxrpc_kernel_send_data(struct socket *, struct rxrpc_call *,
			   struct msghdr *, size_t,
			   rxrpc_notify_end_tx_t);
int rxrpc_kernel_recv_data(struct socket *, struct rxrpc_call *,
			   struct iov_iter *, size_t *, bool, u32 *, u16 *);
bool rxrpc_kernel_abort_call(struct socket *, struct rxrpc_call *,
			     u32, int, enum rxrpc_abort_reason);
void rxrpc_kernel_shutdown_call(struct socket *sock, struct rxrpc_call *call);
void rxrpc_kernel_put_call(struct socket *sock, struct rxrpc_call *call);
struct rxrpc_peer *rxrpc_kernel_lookup_peer(struct socket *sock,
					    struct sockaddr_rxrpc *srx, gfp_t gfp);
void rxrpc_kernel_put_peer(struct rxrpc_peer *peer);
struct rxrpc_peer *rxrpc_kernel_get_peer(struct rxrpc_peer *peer);
struct rxrpc_peer *rxrpc_kernel_get_call_peer(struct socket *sock, struct rxrpc_call *call);
const struct sockaddr_rxrpc *rxrpc_kernel_remote_srx(const struct rxrpc_peer *peer);
const struct sockaddr *rxrpc_kernel_remote_addr(const struct rxrpc_peer *peer);
unsigned int rxrpc_kernel_get_srtt(const struct rxrpc_peer *);
int rxrpc_kernel_charge_accept(struct socket *, rxrpc_notify_rx_t,
			       rxrpc_user_attach_call_t, unsigned long, gfp_t,
			       unsigned int);
void rxrpc_kernel_set_tx_length(struct socket *, struct rxrpc_call *, s64);
bool rxrpc_kernel_check_life(const struct socket *, const struct rxrpc_call *);
u32 rxrpc_kernel_get_epoch(struct socket *, struct rxrpc_call *);
void rxrpc_kernel_set_max_life(struct socket *, struct rxrpc_call *,
			       unsigned long);

int rxrpc_sock_set_min_security_level(struct sock *sk, unsigned int val);
int rxrpc_sock_set_security_keyring(struct sock *, struct key *);

#endif /* _NET_RXRPC_H */
Commit	Line	Data
2874c5fd	1	/* SPDX-License-Identifier: GPL-2.0-or-later */
651350d1	2	/* RxRPC kernel service interface definitions
17926a79	3	*
651350d1	4	* Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
17926a79	5	* Written by David Howells (dhowells@redhat.com)
17926a79 DH	6	*/
	7
	8	#ifndef _NET_RXRPC_H
	9	#define _NET_RXRPC_H
	10
	11	#include <linux/rxrpc.h>
2070a3e4	12	#include <linux/ktime.h>
17926a79	13
4de48af6 DH	14	struct key;
	15	struct sock;
	16	struct socket;
651350d1	17	struct rxrpc_call;
72904d7b	18	struct rxrpc_peer;
57af281e	19	enum rxrpc_abort_reason;
651350d1	20
e138aa7d DH	21	enum rxrpc_interruptibility {
	22	RXRPC_INTERRUPTIBLE, /* Call is interruptible */
	23	RXRPC_PREINTERRUPTIBLE, /* Call can be cancelled whilst waiting for a slot */
	24	RXRPC_UNINTERRUPTIBLE, /* Call should not be interruptible at all */
	25	};
	26
a25e21f0 DH	27	/*
	28	* Debug ID counter for tracing.
	29	*/
	30	extern atomic_t rxrpc_debug_id;
	31
d001648e DH	32	typedef void (rxrpc_notify_rx_t)(struct sock , struct rxrpc_call *,
d001648e DH	33	unsigned long);
e833251a DH	34	typedef void (rxrpc_notify_end_tx_t)(struct sock , struct rxrpc_call *,
e833251a DH	35	unsigned long);
00e90712 DH	36	typedef void (rxrpc_notify_new_call_t)(struct sock , struct rxrpc_call *,
	37	unsigned long);
	38	typedef void (rxrpc_discard_new_call_t)(struct rxrpc_call , unsigned long);
	39	typedef void (rxrpc_user_attach_call_t)(struct rxrpc_call , unsigned long);
651350d1	40
d001648e	41	void rxrpc_kernel_new_call_notification(struct socket *,
00e90712 DH	42	rxrpc_notify_new_call_t,
00e90712 DH	43	rxrpc_discard_new_call_t);
db099c62	44	struct rxrpc_call rxrpc_kernel_begin_call(struct socket sock,
72904d7b	45	struct rxrpc_peer *peer,
db099c62 DH	46	struct key *key,
	47	unsigned long user_call_ID,
	48	s64 tx_total_len,
	49	u32 hard_timeout,
	50	gfp_t gfp,
	51	rxrpc_notify_rx_t notify_rx,
72904d7b	52	u16 service_id,
db099c62 DH	53	bool upgrade,
	54	enum rxrpc_interruptibility interruptibility,
	55	unsigned int debug_id);
4de48af6	56	int rxrpc_kernel_send_data(struct socket , struct rxrpc_call ,
e833251a DH	57	struct msghdr *, size_t,
e833251a DH	58	rxrpc_notify_end_tx_t);
d001648e	59	int rxrpc_kernel_recv_data(struct socket , struct rxrpc_call ,
f105da1a	60	struct iov_iter , size_t , bool, u32 , u16 );
84a4c09c	61	bool rxrpc_kernel_abort_call(struct socket , struct rxrpc_call ,
57af281e	62	u32, int, enum rxrpc_abort_reason);
e0416e7d DH	63	void rxrpc_kernel_shutdown_call(struct socket sock, struct rxrpc_call call);
e0416e7d DH	64	void rxrpc_kernel_put_call(struct socket sock, struct rxrpc_call call);
72904d7b DH	65	struct rxrpc_peer rxrpc_kernel_lookup_peer(struct socket sock,
	66	struct sockaddr_rxrpc *srx, gfp_t gfp);
	67	void rxrpc_kernel_put_peer(struct rxrpc_peer *peer);
	68	struct rxrpc_peer rxrpc_kernel_get_peer(struct rxrpc_peer peer);
	69	struct rxrpc_peer rxrpc_kernel_get_call_peer(struct socket sock, struct rxrpc_call *call);
	70	const struct sockaddr_rxrpc rxrpc_kernel_remote_srx(const struct rxrpc_peer peer);
	71	const struct sockaddr rxrpc_kernel_remote_addr(const struct rxrpc_peer peer);
	72	unsigned int rxrpc_kernel_get_srtt(const struct rxrpc_peer *);
00e90712	73	int rxrpc_kernel_charge_accept(struct socket *, rxrpc_notify_rx_t,
a25e21f0 DH	74	rxrpc_user_attach_call_t, unsigned long, gfp_t,
a25e21f0 DH	75	unsigned int);
e754eba6	76	void rxrpc_kernel_set_tx_length(struct socket , struct rxrpc_call , s64);
7d7587db	77	bool rxrpc_kernel_check_life(const struct socket , const struct rxrpc_call );
e908bcf4	78	u32 rxrpc_kernel_get_epoch(struct socket , struct rxrpc_call );
bbd172e3 DH	79	void rxrpc_kernel_set_max_life(struct socket , struct rxrpc_call ,
bbd172e3 DH	80	unsigned long);
651350d1	81
298cd88a	82	int rxrpc_sock_set_min_security_level(struct sock *sk, unsigned int val);
75bfdbf2	83	int rxrpc_sock_set_security_keyring(struct sock , struct key );
298cd88a	84
17926a79	85	#endif /* _NET_RXRPC_H */