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651350d1 | 1 | /* RxRPC kernel service interface definitions |
17926a79 | 2 | * |
651350d1 | 3 | * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. |
17926a79 DH |
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 | ||
4de48af6 DH |
17 | struct key; |
18 | struct sock; | |
19 | struct socket; | |
651350d1 DH |
20 | struct rxrpc_call; |
21 | ||
c038a58c DH |
22 | /* |
23 | * Call completion condition (state == RXRPC_CALL_COMPLETE). | |
24 | */ | |
25 | enum rxrpc_call_completion { | |
26 | RXRPC_CALL_SUCCEEDED, /* - Normal termination */ | |
27 | RXRPC_CALL_REMOTELY_ABORTED, /* - call aborted by peer */ | |
28 | RXRPC_CALL_LOCALLY_ABORTED, /* - call aborted locally on error or close */ | |
29 | RXRPC_CALL_LOCAL_ERROR, /* - call failed due to local error */ | |
30 | RXRPC_CALL_NETWORK_ERROR, /* - call terminated by network error */ | |
31 | NR__RXRPC_CALL_COMPLETIONS | |
32 | }; | |
33 | ||
a25e21f0 DH |
34 | /* |
35 | * Debug ID counter for tracing. | |
36 | */ | |
37 | extern atomic_t rxrpc_debug_id; | |
38 | ||
d001648e DH |
39 | typedef void (*rxrpc_notify_rx_t)(struct sock *, struct rxrpc_call *, |
40 | unsigned long); | |
e833251a DH |
41 | typedef void (*rxrpc_notify_end_tx_t)(struct sock *, struct rxrpc_call *, |
42 | unsigned long); | |
00e90712 DH |
43 | typedef void (*rxrpc_notify_new_call_t)(struct sock *, struct rxrpc_call *, |
44 | unsigned long); | |
45 | typedef void (*rxrpc_discard_new_call_t)(struct rxrpc_call *, unsigned long); | |
46 | typedef void (*rxrpc_user_attach_call_t)(struct rxrpc_call *, unsigned long); | |
651350d1 | 47 | |
d001648e | 48 | void rxrpc_kernel_new_call_notification(struct socket *, |
00e90712 DH |
49 | rxrpc_notify_new_call_t, |
50 | rxrpc_discard_new_call_t); | |
cd2cf63a JP |
51 | struct rxrpc_call *rxrpc_kernel_begin_call(struct socket *, |
52 | struct sockaddr_rxrpc *, | |
53 | struct key *, | |
54 | unsigned long, | |
e754eba6 | 55 | s64, |
d001648e | 56 | gfp_t, |
a68f4a27 | 57 | rxrpc_notify_rx_t, |
a25e21f0 DH |
58 | bool, |
59 | unsigned int); | |
4de48af6 | 60 | int rxrpc_kernel_send_data(struct socket *, struct rxrpc_call *, |
e833251a DH |
61 | struct msghdr *, size_t, |
62 | rxrpc_notify_end_tx_t); | |
d001648e | 63 | int rxrpc_kernel_recv_data(struct socket *, struct rxrpc_call *, |
a68f4a27 | 64 | void *, size_t, size_t *, bool, u32 *, u16 *); |
84a4c09c | 65 | bool rxrpc_kernel_abort_call(struct socket *, struct rxrpc_call *, |
5a42976d | 66 | u32, int, const char *); |
4de48af6 | 67 | void rxrpc_kernel_end_call(struct socket *, struct rxrpc_call *); |
8324f0bc DH |
68 | void rxrpc_kernel_get_peer(struct socket *, struct rxrpc_call *, |
69 | struct sockaddr_rxrpc *); | |
f4d15fb6 | 70 | u64 rxrpc_kernel_get_rtt(struct socket *, struct rxrpc_call *); |
00e90712 | 71 | int rxrpc_kernel_charge_accept(struct socket *, rxrpc_notify_rx_t, |
a25e21f0 DH |
72 | rxrpc_user_attach_call_t, unsigned long, gfp_t, |
73 | unsigned int); | |
e754eba6 | 74 | void rxrpc_kernel_set_tx_length(struct socket *, struct rxrpc_call *, s64); |
c038a58c DH |
75 | int rxrpc_kernel_retry_call(struct socket *, struct rxrpc_call *, |
76 | struct sockaddr_rxrpc *, struct key *); | |
77 | int rxrpc_kernel_check_call(struct socket *, struct rxrpc_call *, | |
78 | enum rxrpc_call_completion *, u32 *); | |
f4d15fb6 | 79 | u32 rxrpc_kernel_check_life(struct socket *, struct rxrpc_call *); |
651350d1 | 80 | |
17926a79 | 81 | #endif /* _NET_RXRPC_H */ |