1/* SPDX-License-Identifier: GPL-2.0-or-later */
 2/* RxRPC kernel service interface definitions
 3 *
 4 * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
 5 * Written by David Howells (dhowells@redhat.com)
 6 */
 7
 8#ifndef _NET_RXRPC_H
 9#define _NET_RXRPC_H
10
11#include <linux/rxrpc.h>
12#include <linux/ktime.h>
13
14struct key;
15struct sock;
16struct socket;
17struct rxrpc_call;
 
18
19enum rxrpc_interruptibility {
20	RXRPC_INTERRUPTIBLE,	/* Call is interruptible */
21	RXRPC_PREINTERRUPTIBLE,	/* Call can be cancelled whilst waiting for a slot */
22	RXRPC_UNINTERRUPTIBLE,	/* Call should not be interruptible at all */
23};
24
25/*
26 * Debug ID counter for tracing.
27 */
28extern atomic_t rxrpc_debug_id;
29
30typedef void (*rxrpc_notify_rx_t)(struct sock *, struct rxrpc_call *,
31				  unsigned long);
32typedef void (*rxrpc_notify_end_tx_t)(struct sock *, struct rxrpc_call *,
33				      unsigned long);
34typedef void (*rxrpc_notify_new_call_t)(struct sock *, struct rxrpc_call *,
35					unsigned long);
36typedef void (*rxrpc_discard_new_call_t)(struct rxrpc_call *, unsigned long);
37typedef void (*rxrpc_user_attach_call_t)(struct rxrpc_call *, unsigned long);
38
39void rxrpc_kernel_new_call_notification(struct socket *,
40					rxrpc_notify_new_call_t,
41					rxrpc_discard_new_call_t);
42struct rxrpc_call *rxrpc_kernel_begin_call(struct socket *,
43					   struct sockaddr_rxrpc *,
44					   struct key *,
45					   unsigned long,
46					   s64,
47					   gfp_t,
48					   rxrpc_notify_rx_t,
49					   bool,
50					   enum rxrpc_interruptibility,
51					   unsigned int);
52int rxrpc_kernel_send_data(struct socket *, struct rxrpc_call *,
53			   struct msghdr *, size_t,
54			   rxrpc_notify_end_tx_t);
55int rxrpc_kernel_recv_data(struct socket *, struct rxrpc_call *,
56			   struct iov_iter *, size_t *, bool, u32 *, u16 *);
57bool rxrpc_kernel_abort_call(struct socket *, struct rxrpc_call *,
58			     u32, int, const char *);
59void rxrpc_kernel_end_call(struct socket *, struct rxrpc_call *);
60void rxrpc_kernel_get_peer(struct socket *, struct rxrpc_call *,
61			   struct sockaddr_rxrpc *);
62bool rxrpc_kernel_get_srtt(struct socket *, struct rxrpc_call *, u32 *);
63int rxrpc_kernel_charge_accept(struct socket *, rxrpc_notify_rx_t,
64			       rxrpc_user_attach_call_t, unsigned long, gfp_t,
65			       unsigned int);
66void rxrpc_kernel_set_tx_length(struct socket *, struct rxrpc_call *, s64);
67bool rxrpc_kernel_check_life(const struct socket *, const struct rxrpc_call *);
68u32 rxrpc_kernel_get_epoch(struct socket *, struct rxrpc_call *);
69bool rxrpc_kernel_get_reply_time(struct socket *, struct rxrpc_call *,
70				 ktime_t *);
71bool rxrpc_kernel_call_is_complete(struct rxrpc_call *);
72void rxrpc_kernel_set_max_life(struct socket *, struct rxrpc_call *,
73			       unsigned long);
74
75int rxrpc_sock_set_min_security_level(struct sock *sk, unsigned int val);
 
76
77#endif /* _NET_RXRPC_H */

 1/* SPDX-License-Identifier: GPL-2.0-or-later */
 2/* RxRPC kernel service interface definitions
 3 *
 4 * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
 5 * Written by David Howells (dhowells@redhat.com)
 6 */
 7
 8#ifndef _NET_RXRPC_H
 9#define _NET_RXRPC_H
10
11#include <linux/rxrpc.h>
12#include <linux/ktime.h>
13
14struct key;
15struct sock;
16struct socket;
17struct rxrpc_call;
18enum rxrpc_abort_reason;
19
20enum 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
26/*
27 * Debug ID counter for tracing.
28 */
29extern atomic_t rxrpc_debug_id;
30
31typedef void (*rxrpc_notify_rx_t)(struct sock *, struct rxrpc_call *,
32				  unsigned long);
33typedef void (*rxrpc_notify_end_tx_t)(struct sock *, struct rxrpc_call *,
34				      unsigned long);
35typedef void (*rxrpc_notify_new_call_t)(struct sock *, struct rxrpc_call *,
36					unsigned long);
37typedef void (*rxrpc_discard_new_call_t)(struct rxrpc_call *, unsigned long);
38typedef void (*rxrpc_user_attach_call_t)(struct rxrpc_call *, unsigned long);
39
40void rxrpc_kernel_new_call_notification(struct socket *,
41					rxrpc_notify_new_call_t,
42					rxrpc_discard_new_call_t);
43struct rxrpc_call *rxrpc_kernel_begin_call(struct socket *,
44					   struct sockaddr_rxrpc *,
45					   struct key *,
46					   unsigned long,
47					   s64,
48					   gfp_t,
49					   rxrpc_notify_rx_t,
50					   bool,
51					   enum rxrpc_interruptibility,
52					   unsigned int);
53int rxrpc_kernel_send_data(struct socket *, struct rxrpc_call *,
54			   struct msghdr *, size_t,
55			   rxrpc_notify_end_tx_t);
56int rxrpc_kernel_recv_data(struct socket *, struct rxrpc_call *,
57			   struct iov_iter *, size_t *, bool, u32 *, u16 *);
58bool rxrpc_kernel_abort_call(struct socket *, struct rxrpc_call *,
59			     u32, int, enum rxrpc_abort_reason);
60void rxrpc_kernel_end_call(struct socket *, struct rxrpc_call *);
61void rxrpc_kernel_get_peer(struct socket *, struct rxrpc_call *,
62			   struct sockaddr_rxrpc *);
63bool rxrpc_kernel_get_srtt(struct socket *, struct rxrpc_call *, u32 *);
64int rxrpc_kernel_charge_accept(struct socket *, rxrpc_notify_rx_t,
65			       rxrpc_user_attach_call_t, unsigned long, gfp_t,
66			       unsigned int);
67void rxrpc_kernel_set_tx_length(struct socket *, struct rxrpc_call *, s64);
68bool rxrpc_kernel_check_life(const struct socket *, const struct rxrpc_call *);
69u32 rxrpc_kernel_get_epoch(struct socket *, struct rxrpc_call *);
 
 
 
70void rxrpc_kernel_set_max_life(struct socket *, struct rxrpc_call *,
71			       unsigned long);
72
73int rxrpc_sock_set_min_security_level(struct sock *sk, unsigned int val);
74int rxrpc_sock_set_security_keyring(struct sock *, struct key *);
75
76#endif /* _NET_RXRPC_H */