[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;
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 *,
					   struct sockaddr_rxrpc *,
					   struct key *,
					   unsigned long,
					   s64,
					   gfp_t,
					   rxrpc_notify_rx_t,
					   bool,
					   enum rxrpc_interruptibility,
					   unsigned int);
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_end_call(struct socket *, struct rxrpc_call *);
void rxrpc_kernel_get_peer(struct socket *, struct rxrpc_call *,
			   struct sockaddr_rxrpc *);
bool rxrpc_kernel_get_srtt(struct socket *, struct rxrpc_call *, u32 *);
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;
57af281e	18	enum rxrpc_abort_reason;
651350d1	19
e138aa7d DH	20	enum rxrpc_interruptibility {
	21	RXRPC_INTERRUPTIBLE, /* Call is interruptible */
	22	RXRPC_PREINTERRUPTIBLE, /* Call can be cancelled whilst waiting for a slot */
	23	RXRPC_UNINTERRUPTIBLE, /* Call should not be interruptible at all */
	24	};
	25
a25e21f0 DH	26	/*
	27	* Debug ID counter for tracing.
	28	*/
	29	extern atomic_t rxrpc_debug_id;
	30
d001648e DH	31	typedef void (rxrpc_notify_rx_t)(struct sock , struct rxrpc_call *,
d001648e DH	32	unsigned long);
e833251a DH	33	typedef void (rxrpc_notify_end_tx_t)(struct sock , struct rxrpc_call *,
e833251a DH	34	unsigned long);
00e90712 DH	35	typedef void (rxrpc_notify_new_call_t)(struct sock , struct rxrpc_call *,
	36	unsigned long);
	37	typedef void (rxrpc_discard_new_call_t)(struct rxrpc_call , unsigned long);
	38	typedef void (rxrpc_user_attach_call_t)(struct rxrpc_call , unsigned long);
651350d1	39
d001648e	40	void rxrpc_kernel_new_call_notification(struct socket *,
00e90712 DH	41	rxrpc_notify_new_call_t,
00e90712 DH	42	rxrpc_discard_new_call_t);
cd2cf63a JP	43	struct rxrpc_call rxrpc_kernel_begin_call(struct socket ,
	44	struct sockaddr_rxrpc *,
	45	struct key *,
	46	unsigned long,
e754eba6	47	s64,
d001648e	48	gfp_t,
a68f4a27	49	rxrpc_notify_rx_t,
a25e21f0	50	bool,
e138aa7d	51	enum rxrpc_interruptibility,
a25e21f0	52	unsigned int);
4de48af6	53	int rxrpc_kernel_send_data(struct socket , struct rxrpc_call ,
e833251a DH	54	struct msghdr *, size_t,
e833251a DH	55	rxrpc_notify_end_tx_t);
d001648e	56	int rxrpc_kernel_recv_data(struct socket , struct rxrpc_call ,
f105da1a	57	struct iov_iter , size_t , bool, u32 , u16 );
84a4c09c	58	bool rxrpc_kernel_abort_call(struct socket , struct rxrpc_call ,
57af281e	59	u32, int, enum rxrpc_abort_reason);
4de48af6	60	void rxrpc_kernel_end_call(struct socket , struct rxrpc_call );
8324f0bc DH	61	void rxrpc_kernel_get_peer(struct socket , struct rxrpc_call ,
8324f0bc DH	62	struct sockaddr_rxrpc *);
1d4adfaf	63	bool rxrpc_kernel_get_srtt(struct socket , struct rxrpc_call , u32 *);
00e90712	64	int rxrpc_kernel_charge_accept(struct socket *, rxrpc_notify_rx_t,
a25e21f0 DH	65	rxrpc_user_attach_call_t, unsigned long, gfp_t,
a25e21f0 DH	66	unsigned int);
e754eba6	67	void rxrpc_kernel_set_tx_length(struct socket , struct rxrpc_call , s64);
7d7587db	68	bool rxrpc_kernel_check_life(const struct socket , const struct rxrpc_call );
e908bcf4	69	u32 rxrpc_kernel_get_epoch(struct socket , struct rxrpc_call );
bbd172e3 DH	70	void rxrpc_kernel_set_max_life(struct socket , struct rxrpc_call ,
bbd172e3 DH	71	unsigned long);
651350d1	72
298cd88a	73	int rxrpc_sock_set_min_security_level(struct sock *sk, unsigned int val);
75bfdbf2	74	int rxrpc_sock_set_security_keyring(struct sock , struct key );
298cd88a	75
17926a79	76	#endif /* _NET_RXRPC_H */