Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 1 | /* |
| 2 | * net/tipc/cluster.h: Include file for TIPC cluster management routines |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame^] | 3 | * |
Per Liden | 593a5f2 | 2006-01-11 19:14:19 +0100 | [diff] [blame] | 4 | * Copyright (c) 2000-2006, Ericsson AB |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 5 | * Copyright (c) 2005, Wind River Systems |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 6 | * All rights reserved. |
| 7 | * |
Per Liden | 9ea1fd3 | 2006-01-11 13:30:43 +0100 | [diff] [blame] | 8 | * Redistribution and use in source and binary forms, with or without |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 9 | * modification, are permitted provided that the following conditions are met: |
| 10 | * |
Per Liden | 9ea1fd3 | 2006-01-11 13:30:43 +0100 | [diff] [blame] | 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. |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 19 | * |
Per Liden | 9ea1fd3 | 2006-01-11 13:30:43 +0100 | [diff] [blame] | 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 |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 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 | */ |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame^] | 53 | |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 54 | struct cluster { |
| 55 | u32 addr; |
| 56 | struct _zone *owner; |
| 57 | struct node **nodes; |
| 58 | u32 highest_node; |
| 59 | u32 highest_slave; |
| 60 | }; |
| 61 | |
| 62 | |
Per Liden | 4323add | 2006-01-18 00:38:21 +0100 | [diff] [blame] | 63 | extern struct node **tipc_local_nodes; |
| 64 | extern u32 tipc_highest_allowed_slave; |
| 65 | extern struct node_map tipc_cltr_bcast_nodes; |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 66 | |
Per Liden | 4323add | 2006-01-18 00:38:21 +0100 | [diff] [blame] | 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); |
| 69 | struct node *tipc_cltr_select_node(struct cluster *c_ptr, u32 selector); |
| 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); |
| 74 | void tipc_cltr_attach_node(struct cluster *c_ptr, struct node *n_ptr); |
| 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); |
| 78 | u32 tipc_cltr_next_node(struct cluster *c_ptr, u32 addr); |
| 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); |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 82 | |
Per Liden | 4323add | 2006-01-18 00:38:21 +0100 | [diff] [blame] | 83 | static inline struct cluster *tipc_cltr_find(u32 addr) |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 84 | { |
Per Liden | 4323add | 2006-01-18 00:38:21 +0100 | [diff] [blame] | 85 | struct _zone *z_ptr = tipc_zone_find(addr); |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 86 | |
| 87 | if (z_ptr) |
| 88 | return z_ptr->clusters[1]; |
Sam Ravnborg | 1fc54d8 | 2006-03-20 22:36:47 -0800 | [diff] [blame] | 89 | return NULL; |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 90 | } |
| 91 | |
| 92 | #endif |