xref: /openbmc/linux/include/net/af_rxrpc.h (revision 8f762fe5)
1 /* RxRPC kernel service interface definitions
2  *
3  * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
4  * Written by David Howells (dhowells@redhat.com)
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>
16 #include <linux/ktime.h>
17 
18 struct key;
19 struct sock;
20 struct socket;
21 struct rxrpc_call;
22 
23 /*
24  * Debug ID counter for tracing.
25  */
26 extern atomic_t rxrpc_debug_id;
27 
28 typedef void (*rxrpc_notify_rx_t)(struct sock *, struct rxrpc_call *,
29 				  unsigned long);
30 typedef void (*rxrpc_notify_end_tx_t)(struct sock *, struct rxrpc_call *,
31 				      unsigned long);
32 typedef void (*rxrpc_notify_new_call_t)(struct sock *, struct rxrpc_call *,
33 					unsigned long);
34 typedef void (*rxrpc_discard_new_call_t)(struct rxrpc_call *, unsigned long);
35 typedef void (*rxrpc_user_attach_call_t)(struct rxrpc_call *, unsigned long);
36 
37 void rxrpc_kernel_new_call_notification(struct socket *,
38 					rxrpc_notify_new_call_t,
39 					rxrpc_discard_new_call_t);
40 struct rxrpc_call *rxrpc_kernel_begin_call(struct socket *,
41 					   struct sockaddr_rxrpc *,
42 					   struct key *,
43 					   unsigned long,
44 					   s64,
45 					   gfp_t,
46 					   rxrpc_notify_rx_t,
47 					   bool,
48 					   bool,
49 					   unsigned int);
50 int rxrpc_kernel_send_data(struct socket *, struct rxrpc_call *,
51 			   struct msghdr *, size_t,
52 			   rxrpc_notify_end_tx_t);
53 int rxrpc_kernel_recv_data(struct socket *, struct rxrpc_call *,
54 			   struct iov_iter *, bool, u32 *, u16 *);
55 bool rxrpc_kernel_abort_call(struct socket *, struct rxrpc_call *,
56 			     u32, int, const char *);
57 void rxrpc_kernel_end_call(struct socket *, struct rxrpc_call *);
58 void rxrpc_kernel_get_peer(struct socket *, struct rxrpc_call *,
59 			   struct sockaddr_rxrpc *);
60 u64 rxrpc_kernel_get_rtt(struct socket *, struct rxrpc_call *);
61 int rxrpc_kernel_charge_accept(struct socket *, rxrpc_notify_rx_t,
62 			       rxrpc_user_attach_call_t, unsigned long, gfp_t,
63 			       unsigned int);
64 void rxrpc_kernel_set_tx_length(struct socket *, struct rxrpc_call *, s64);
65 bool rxrpc_kernel_check_life(const struct socket *, const struct rxrpc_call *,
66 			     u32 *);
67 void rxrpc_kernel_probe_life(struct socket *, struct rxrpc_call *);
68 u32 rxrpc_kernel_get_epoch(struct socket *, struct rxrpc_call *);
69 bool rxrpc_kernel_get_reply_time(struct socket *, struct rxrpc_call *,
70 				 ktime_t *);
71 bool rxrpc_kernel_call_is_complete(struct rxrpc_call *);
72 void rxrpc_kernel_set_max_life(struct socket *, struct rxrpc_call *,
73 			       unsigned long);
74 
75 #endif /* _NET_RXRPC_H */
76