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Diffstat (limited to 'net/tipc/server.h')
-rw-r--r-- | net/tipc/server.h | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/net/tipc/server.h b/net/tipc/server.h new file mode 100644 index 000000000000..98b23f20bc0f --- /dev/null +++ b/net/tipc/server.h | |||
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1 | /* | ||
2 | * net/tipc/server.h: Include file for TIPC server code | ||
3 | * | ||
4 | * Copyright (c) 2012-2013, Wind River Systems | ||
5 | * All rights reserved. | ||
6 | * | ||
7 | * Redistribution and use in source and binary forms, with or without | ||
8 | * modification, are permitted provided that the following conditions are met: | ||
9 | * | ||
10 | * 1. Redistributions of source code must retain the above copyright | ||
11 | * notice, this list of conditions and the following disclaimer. | ||
12 | * 2. Redistributions in binary form must reproduce the above copyright | ||
13 | * notice, this list of conditions and the following disclaimer in the | ||
14 | * documentation and/or other materials provided with the distribution. | ||
15 | * 3. Neither the names of the copyright holders nor the names of its | ||
16 | * contributors may be used to endorse or promote products derived from | ||
17 | * this software without specific prior written permission. | ||
18 | * | ||
19 | * Alternatively, this software may be distributed under the terms of the | ||
20 | * GNU General Public License ("GPL") version 2 as published by the Free | ||
21 | * Software Foundation. | ||
22 | * | ||
23 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | ||
24 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
25 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | ||
26 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE | ||
27 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | ||
28 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | ||
29 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | ||
30 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | ||
31 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | ||
32 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | ||
33 | * POSSIBILITY OF SUCH DAMAGE. | ||
34 | */ | ||
35 | |||
36 | #ifndef _TIPC_SERVER_H | ||
37 | #define _TIPC_SERVER_H | ||
38 | |||
39 | #include "core.h" | ||
40 | |||
41 | #define TIPC_SERVER_NAME_LEN 32 | ||
42 | |||
43 | /** | ||
44 | * struct tipc_server - TIPC server structure | ||
45 | * @conn_idr: identifier set of connection | ||
46 | * @idr_lock: protect the connection identifier set | ||
47 | * @idr_in_use: amount of allocated identifier entry | ||
48 | * @rcvbuf_cache: memory cache of server receive buffer | ||
49 | * @rcv_wq: receive workqueue | ||
50 | * @send_wq: send workqueue | ||
51 | * @max_rcvbuf_size: maximum permitted receive message length | ||
52 | * @tipc_conn_new: callback will be called when new connection is incoming | ||
53 | * @tipc_conn_shutdown: callback will be called when connection is shut down | ||
54 | * @tipc_conn_recvmsg: callback will be called when message arrives | ||
55 | * @saddr: TIPC server address | ||
56 | * @name: server name | ||
57 | * @imp: message importance | ||
58 | * @type: socket type | ||
59 | * @enabled: identify whether server is launched or not | ||
60 | */ | ||
61 | struct tipc_server { | ||
62 | struct idr conn_idr; | ||
63 | spinlock_t idr_lock; | ||
64 | int idr_in_use; | ||
65 | struct kmem_cache *rcvbuf_cache; | ||
66 | struct workqueue_struct *rcv_wq; | ||
67 | struct workqueue_struct *send_wq; | ||
68 | int max_rcvbuf_size; | ||
69 | void *(*tipc_conn_new) (int conid); | ||
70 | void (*tipc_conn_shutdown) (int conid, void *usr_data); | ||
71 | void (*tipc_conn_recvmsg) (int conid, struct sockaddr_tipc *addr, | ||
72 | void *usr_data, void *buf, size_t len); | ||
73 | struct sockaddr_tipc *saddr; | ||
74 | const char name[TIPC_SERVER_NAME_LEN]; | ||
75 | int imp; | ||
76 | int type; | ||
77 | int enabled; | ||
78 | }; | ||
79 | |||
80 | int tipc_conn_sendmsg(struct tipc_server *s, int conid, | ||
81 | struct sockaddr_tipc *addr, void *data, size_t len); | ||
82 | |||
83 | /** | ||
84 | * tipc_conn_terminate - terminate connection with server | ||
85 | * | ||
86 | * Note: Must call it in process context since it might sleep | ||
87 | */ | ||
88 | void tipc_conn_terminate(struct tipc_server *s, int conid); | ||
89 | |||
90 | int tipc_server_start(struct tipc_server *s); | ||
91 | |||
92 | void tipc_server_stop(struct tipc_server *s); | ||
93 | |||
94 | #endif | ||