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b97bf3fd PL |
1 | /* |
2 | * net/tipc/cluster.h: Include file for TIPC cluster management routines | |
c4307285 | 3 | * |
593a5f22 | 4 | * Copyright (c) 2000-2006, Ericsson AB |
b97bf3fd | 5 | * Copyright (c) 2005, Wind River Systems |
b97bf3fd PL |
6 | * All rights reserved. |
7 | * | |
9ea1fd3c | 8 | * Redistribution and use in source and binary forms, with or without |
b97bf3fd PL |
9 | * modification, are permitted provided that the following conditions are met: |
10 | * | |
9ea1fd3c PL |
11 | * 1. Redistributions of source code must retain the above copyright |
12 | * notice, this list of conditions and the following disclaimer. | |
13 | * 2. Redistributions in binary form must reproduce the above copyright | |
14 | * notice, this list of conditions and the following disclaimer in the | |
15 | * documentation and/or other materials provided with the distribution. | |
16 | * 3. Neither the names of the copyright holders nor the names of its | |
17 | * contributors may be used to endorse or promote products derived from | |
18 | * this software without specific prior written permission. | |
b97bf3fd | 19 | * |
9ea1fd3c PL |
20 | * Alternatively, this software may be distributed under the terms of the |
21 | * GNU General Public License ("GPL") version 2 as published by the Free | |
22 | * Software Foundation. | |
23 | * | |
24 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | |
25 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
26 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
27 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE | |
28 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
29 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
30 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
31 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | |
32 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
33 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
b97bf3fd PL |
34 | * POSSIBILITY OF SUCH DAMAGE. |
35 | */ | |
36 | ||
37 | #ifndef _TIPC_CLUSTER_H | |
38 | #define _TIPC_CLUSTER_H | |
39 | ||
40 | #include "addr.h" | |
41 | #include "zone.h" | |
42 | ||
43 | #define LOWEST_SLAVE 2048u | |
44 | ||
45 | /** | |
46 | * struct cluster - TIPC cluster structure | |
47 | * @addr: network address of cluster | |
48 | * @owner: pointer to zone that cluster belongs to | |
49 | * @nodes: array of pointers to all nodes within cluster | |
50 | * @highest_node: id of highest numbered node within cluster | |
51 | * @highest_slave: (used for secondary node support) | |
52 | */ | |
c4307285 | 53 | |
b97bf3fd PL |
54 | struct cluster { |
55 | u32 addr; | |
56 | struct _zone *owner; | |
6c00055a | 57 | struct tipc_node **nodes; |
b97bf3fd PL |
58 | u32 highest_node; |
59 | u32 highest_slave; | |
60 | }; | |
61 | ||
62 | ||
6c00055a | 63 | extern struct tipc_node **tipc_local_nodes; |
4323add6 | 64 | extern u32 tipc_highest_allowed_slave; |
6c00055a | 65 | extern struct tipc_node_map tipc_cltr_bcast_nodes; |
b97bf3fd | 66 | |
4323add6 PL |
67 | void tipc_cltr_remove_as_router(struct cluster *c_ptr, u32 router); |
68 | void tipc_cltr_send_ext_routes(struct cluster *c_ptr, u32 dest); | |
6c00055a | 69 | struct tipc_node *tipc_cltr_select_node(struct cluster *c_ptr, u32 selector); |
4323add6 PL |
70 | u32 tipc_cltr_select_router(struct cluster *c_ptr, u32 ref); |
71 | void tipc_cltr_recv_routing_table(struct sk_buff *buf); | |
72 | struct cluster *tipc_cltr_create(u32 addr); | |
73 | void tipc_cltr_delete(struct cluster *c_ptr); | |
6c00055a | 74 | void tipc_cltr_attach_node(struct cluster *c_ptr, struct tipc_node *n_ptr); |
4323add6 PL |
75 | void tipc_cltr_send_slave_routes(struct cluster *c_ptr, u32 dest); |
76 | void tipc_cltr_broadcast(struct sk_buff *buf); | |
77 | int tipc_cltr_init(void); | |
31e3c3f6 | 78 | |
4323add6 PL |
79 | void tipc_cltr_bcast_new_route(struct cluster *c_ptr, u32 dest, u32 lo, u32 hi); |
80 | void tipc_cltr_send_local_routes(struct cluster *c_ptr, u32 dest); | |
81 | void tipc_cltr_bcast_lost_route(struct cluster *c_ptr, u32 dest, u32 lo, u32 hi); | |
b97bf3fd | 82 | |
4323add6 | 83 | static inline struct cluster *tipc_cltr_find(u32 addr) |
b97bf3fd | 84 | { |
4323add6 | 85 | struct _zone *z_ptr = tipc_zone_find(addr); |
b97bf3fd PL |
86 | |
87 | if (z_ptr) | |
88 | return z_ptr->clusters[1]; | |
1fc54d8f | 89 | return NULL; |
b97bf3fd PL |
90 | } |
91 | ||
92 | #endif |