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David Howells651350d2007-04-26 15:50:17 -07001/* RxRPC kernel service interface definitions
David Howells17926a72007-04-26 15:48:28 -07002 *
David Howells651350d2007-04-26 15:50:17 -07003 * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
David Howells17926a72007-04-26 15:48:28 -07004 * Written by David Howells ([email protected])
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version
9 * 2 of the License, or (at your option) any later version.
10 */
11
12#ifndef _NET_RXRPC_H
13#define _NET_RXRPC_H
14
15#include <linux/rxrpc.h>
David Howells2070a3e2018-10-04 09:42:29 +010016#include <linux/ktime.h>
David Howells17926a72007-04-26 15:48:28 -070017
David Howells4de48af2016-08-30 12:00:48 +010018struct key;
19struct sock;
20struct socket;
David Howells651350d2007-04-26 15:50:17 -070021struct rxrpc_call;
22
David Howellsc038a582017-08-29 10:19:01 +010023/*
David Howellsa25e21f2018-03-27 23:03:00 +010024 * Debug ID counter for tracing.
25 */
26extern atomic_t rxrpc_debug_id;
27
David Howellsd0016482016-08-30 20:42:14 +010028typedef void (*rxrpc_notify_rx_t)(struct sock *, struct rxrpc_call *,
29 unsigned long);
David Howellse8332512017-08-29 10:18:56 +010030typedef void (*rxrpc_notify_end_tx_t)(struct sock *, struct rxrpc_call *,
31 unsigned long);
David Howells00e90712016-09-08 11:10:12 +010032typedef void (*rxrpc_notify_new_call_t)(struct sock *, struct rxrpc_call *,
33 unsigned long);
34typedef void (*rxrpc_discard_new_call_t)(struct rxrpc_call *, unsigned long);
35typedef void (*rxrpc_user_attach_call_t)(struct rxrpc_call *, unsigned long);
David Howells651350d2007-04-26 15:50:17 -070036
David Howellsd0016482016-08-30 20:42:14 +010037void rxrpc_kernel_new_call_notification(struct socket *,
David Howells00e90712016-09-08 11:10:12 +010038 rxrpc_notify_new_call_t,
39 rxrpc_discard_new_call_t);
Joe Perchescd2cf632013-07-31 17:31:34 -070040struct rxrpc_call *rxrpc_kernel_begin_call(struct socket *,
41 struct sockaddr_rxrpc *,
42 struct key *,
43 unsigned long,
David Howellse754eba62017-06-07 12:40:03 +010044 s64,
David Howellsd0016482016-08-30 20:42:14 +010045 gfp_t,
David Howellsa68f4a22017-10-18 11:36:39 +010046 rxrpc_notify_rx_t,
David Howellsa25e21f2018-03-27 23:03:00 +010047 bool,
48 unsigned int);
David Howells4de48af2016-08-30 12:00:48 +010049int rxrpc_kernel_send_data(struct socket *, struct rxrpc_call *,
David Howellse8332512017-08-29 10:18:56 +010050 struct msghdr *, size_t,
51 rxrpc_notify_end_tx_t);
David Howellsd0016482016-08-30 20:42:14 +010052int rxrpc_kernel_recv_data(struct socket *, struct rxrpc_call *,
David Howellseb9950e2018-08-03 17:06:56 +010053 struct iov_iter *, bool, u32 *, u16 *);
David Howells84a4c092017-04-06 10:11:59 +010054bool rxrpc_kernel_abort_call(struct socket *, struct rxrpc_call *,
David Howells5a429762016-09-06 22:19:51 +010055 u32, int, const char *);
David Howells4de48af2016-08-30 12:00:48 +010056void rxrpc_kernel_end_call(struct socket *, struct rxrpc_call *);
David Howells8324f0b2016-08-30 09:49:29 +010057void rxrpc_kernel_get_peer(struct socket *, struct rxrpc_call *,
58 struct sockaddr_rxrpc *);
David Howellsf4d15fb2017-10-18 11:07:31 +010059u64 rxrpc_kernel_get_rtt(struct socket *, struct rxrpc_call *);
David Howells00e90712016-09-08 11:10:12 +010060int rxrpc_kernel_charge_accept(struct socket *, rxrpc_notify_rx_t,
David Howellsa25e21f2018-03-27 23:03:00 +010061 rxrpc_user_attach_call_t, unsigned long, gfp_t,
62 unsigned int);
David Howellse754eba62017-06-07 12:40:03 +010063void rxrpc_kernel_set_tx_length(struct socket *, struct rxrpc_call *, s64);
Marc Dionne4611da32019-04-12 16:33:47 +010064bool rxrpc_kernel_check_life(const struct socket *, const struct rxrpc_call *,
65 u32 *);
David Howells7150cea2018-11-12 22:33:22 +000066void rxrpc_kernel_probe_life(struct socket *, struct rxrpc_call *);
David Howellse908bcf2018-10-04 09:54:29 +010067u32 rxrpc_kernel_get_epoch(struct socket *, struct rxrpc_call *);
David Howells2070a3e2018-10-04 09:42:29 +010068bool rxrpc_kernel_get_reply_time(struct socket *, struct rxrpc_call *,
69 ktime_t *);
Marc Dionne4611da32019-04-12 16:33:47 +010070bool rxrpc_kernel_call_is_complete(struct rxrpc_call *);
David Howells651350d2007-04-26 15:50:17 -070071
David Howells17926a72007-04-26 15:48:28 -070072#endif /* _NET_RXRPC_H */