diff options
Diffstat (limited to 'include/net/tipc/tipc_bearer.h')
-rw-r--r-- | include/net/tipc/tipc_bearer.h | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/include/net/tipc/tipc_bearer.h b/include/net/tipc/tipc_bearer.h new file mode 100644 index 000000000000..a3daf697b6b6 --- /dev/null +++ b/include/net/tipc/tipc_bearer.h | |||
@@ -0,0 +1,92 @@ | |||
1 | /* | ||
2 | * include/net/tipc/tipc_bearer.h: Include file for privileged access to TIPC bearers | ||
3 | * | ||
4 | * Copyright (c) 2003-2005, Ericsson Research Canada | ||
5 | * Copyright (c) 2005, Wind River Systems | ||
6 | * Copyright (c) 2005-2006, Ericsson AB | ||
7 | * All rights reserved. | ||
8 | * | ||
9 | * Redistribution and use in source and binary forms, with or without | ||
10 | * modification, are permitted provided that the following conditions are met: | ||
11 | * | ||
12 | * Redistributions of source code must retain the above copyright notice, this | ||
13 | * list of conditions and the following disclaimer. | ||
14 | * Redistributions in binary form must reproduce the above copyright notice, | ||
15 | * this list of conditions and the following disclaimer in the documentation | ||
16 | * and/or other materials provided with the distribution. | ||
17 | * Neither the names of the copyright holders nor the names of its | ||
18 | * contributors may be used to endorse or promote products derived from this | ||
19 | * software without specific prior written permission. | ||
20 | * | ||
21 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | ||
22 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | ||
24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE | ||
25 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | ||
26 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | ||
27 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | ||
28 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | ||
29 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | ||
30 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | ||
31 | * POSSIBILITY OF SUCH DAMAGE. | ||
32 | */ | ||
33 | |||
34 | #ifndef _NET_TIPC_BEARER_H_ | ||
35 | #define _NET_TIPC_BEARER_H_ | ||
36 | |||
37 | #ifdef __KERNEL__ | ||
38 | |||
39 | #include <linux/tipc.h> | ||
40 | #include <linux/skbuff.h> | ||
41 | #include <linux/spinlock.h> | ||
42 | |||
43 | /** | ||
44 | * struct tipc_bearer - TIPC bearer info available to privileged users | ||
45 | * @usr_handle: pointer to additional user-defined information about bearer | ||
46 | * @mtu: max packet size bearer can support | ||
47 | * @blocked: non-zero if bearer is blocked | ||
48 | * @lock: spinlock for controlling access to bearer | ||
49 | * @addr: media-specific address associated with bearer | ||
50 | * @name: bearer name (format = media:interface) | ||
51 | * | ||
52 | * Note: TIPC initializes "name" and "lock" fields; user is responsible for | ||
53 | * initialization all other fields when a bearer is enabled. | ||
54 | */ | ||
55 | |||
56 | struct tipc_bearer { | ||
57 | void *usr_handle; | ||
58 | u32 mtu; | ||
59 | int blocked; | ||
60 | spinlock_t lock; | ||
61 | struct tipc_media_addr addr; | ||
62 | char name[TIPC_MAX_BEARER_NAME]; | ||
63 | }; | ||
64 | |||
65 | |||
66 | int tipc_register_media(u32 media_type, | ||
67 | char *media_name, | ||
68 | int (*enable)(struct tipc_bearer *), | ||
69 | void (*disable)(struct tipc_bearer *), | ||
70 | int (*send_msg)(struct sk_buff *, | ||
71 | struct tipc_bearer *, | ||
72 | struct tipc_media_addr *), | ||
73 | char *(*addr2str)(struct tipc_media_addr *a, | ||
74 | char *str_buf, | ||
75 | int str_size), | ||
76 | struct tipc_media_addr *bcast_addr, | ||
77 | const u32 bearer_priority, | ||
78 | const u32 link_tolerance, /* [ms] */ | ||
79 | const u32 send_window_limit); | ||
80 | |||
81 | void tipc_recv_msg(struct sk_buff *buf, struct tipc_bearer *tb_ptr); | ||
82 | |||
83 | int tipc_block_bearer(const char *name); | ||
84 | void tipc_continue(struct tipc_bearer *tb_ptr); | ||
85 | |||
86 | int tipc_enable_bearer(const char *bearer_name, u32 bcast_scope, u32 priority); | ||
87 | int tipc_disable_bearer(const char *name); | ||
88 | |||
89 | |||
90 | #endif | ||
91 | |||
92 | #endif | ||