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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> | |
2070a3e4 | 16 | #include <linux/ktime.h> |
17926a79 | 17 | |
4de48af6 DH |
18 | struct key; |
19 | struct sock; | |
20 | struct socket; | |
651350d1 DH |
21 | struct rxrpc_call; |
22 | ||
c038a58c DH |
23 | /* |
24 | * Call completion condition (state == RXRPC_CALL_COMPLETE). | |
25 | */ | |
26 | enum rxrpc_call_completion { | |
27 | RXRPC_CALL_SUCCEEDED, /* - Normal termination */ | |
28 | RXRPC_CALL_REMOTELY_ABORTED, /* - call aborted by peer */ | |
29 | RXRPC_CALL_LOCALLY_ABORTED, /* - call aborted locally on error or close */ | |
30 | RXRPC_CALL_LOCAL_ERROR, /* - call failed due to local error */ | |
31 | RXRPC_CALL_NETWORK_ERROR, /* - call terminated by network error */ | |
32 | NR__RXRPC_CALL_COMPLETIONS | |
33 | }; | |
34 | ||
a25e21f0 DH |
35 | /* |
36 | * Debug ID counter for tracing. | |
37 | */ | |
38 | extern atomic_t rxrpc_debug_id; | |
39 | ||
d001648e DH |
40 | typedef void (*rxrpc_notify_rx_t)(struct sock *, struct rxrpc_call *, |
41 | unsigned long); | |
e833251a DH |
42 | typedef void (*rxrpc_notify_end_tx_t)(struct sock *, struct rxrpc_call *, |
43 | unsigned long); | |
00e90712 DH |
44 | typedef void (*rxrpc_notify_new_call_t)(struct sock *, struct rxrpc_call *, |
45 | unsigned long); | |
46 | typedef void (*rxrpc_discard_new_call_t)(struct rxrpc_call *, unsigned long); | |
47 | typedef void (*rxrpc_user_attach_call_t)(struct rxrpc_call *, unsigned long); | |
651350d1 | 48 | |
d001648e | 49 | void rxrpc_kernel_new_call_notification(struct socket *, |
00e90712 DH |
50 | rxrpc_notify_new_call_t, |
51 | rxrpc_discard_new_call_t); | |
cd2cf63a JP |
52 | struct rxrpc_call *rxrpc_kernel_begin_call(struct socket *, |
53 | struct sockaddr_rxrpc *, | |
54 | struct key *, | |
55 | unsigned long, | |
e754eba6 | 56 | s64, |
d001648e | 57 | gfp_t, |
a68f4a27 | 58 | rxrpc_notify_rx_t, |
a25e21f0 DH |
59 | bool, |
60 | unsigned int); | |
4de48af6 | 61 | int rxrpc_kernel_send_data(struct socket *, struct rxrpc_call *, |
e833251a DH |
62 | struct msghdr *, size_t, |
63 | rxrpc_notify_end_tx_t); | |
d001648e | 64 | int rxrpc_kernel_recv_data(struct socket *, struct rxrpc_call *, |
eb9950eb | 65 | struct iov_iter *, bool, u32 *, u16 *); |
84a4c09c | 66 | bool rxrpc_kernel_abort_call(struct socket *, struct rxrpc_call *, |
5a42976d | 67 | u32, int, const char *); |
4de48af6 | 68 | void rxrpc_kernel_end_call(struct socket *, struct rxrpc_call *); |
8324f0bc DH |
69 | void rxrpc_kernel_get_peer(struct socket *, struct rxrpc_call *, |
70 | struct sockaddr_rxrpc *); | |
f4d15fb6 | 71 | u64 rxrpc_kernel_get_rtt(struct socket *, struct rxrpc_call *); |
00e90712 | 72 | int rxrpc_kernel_charge_accept(struct socket *, rxrpc_notify_rx_t, |
a25e21f0 DH |
73 | rxrpc_user_attach_call_t, unsigned long, gfp_t, |
74 | unsigned int); | |
e754eba6 | 75 | void rxrpc_kernel_set_tx_length(struct socket *, struct rxrpc_call *, s64); |
c038a58c DH |
76 | int rxrpc_kernel_retry_call(struct socket *, struct rxrpc_call *, |
77 | struct sockaddr_rxrpc *, struct key *); | |
78 | int rxrpc_kernel_check_call(struct socket *, struct rxrpc_call *, | |
79 | enum rxrpc_call_completion *, u32 *); | |
7150ceaa DH |
80 | u32 rxrpc_kernel_check_life(const struct socket *, const struct rxrpc_call *); |
81 | void rxrpc_kernel_probe_life(struct socket *, struct rxrpc_call *); | |
e908bcf4 | 82 | u32 rxrpc_kernel_get_epoch(struct socket *, struct rxrpc_call *); |
2070a3e4 DH |
83 | bool rxrpc_kernel_get_reply_time(struct socket *, struct rxrpc_call *, |
84 | ktime_t *); | |
651350d1 | 85 | |
17926a79 | 86 | #endif /* _NET_RXRPC_H */ |