| Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame^] | 1 | /* |
| 2 | * net/tipc/zone.h: Include file for TIPC zone management routines |
| 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 _TIPC_ZONE_H |
| 35 | #define _TIPC_ZONE_H |
| 36 | |
| 37 | #include "node_subscr.h" |
| 38 | #include "net.h" |
| 39 | |
| 40 | |
| 41 | /** |
| 42 | * struct _zone - TIPC zone structure |
| 43 | * @addr: network address of zone |
| 44 | * @clusters: array of pointers to all clusters within zone |
| 45 | * @links: (used for inter-zone communication) |
| 46 | */ |
| 47 | |
| 48 | struct _zone { |
| 49 | u32 addr; |
| 50 | struct cluster *clusters[2]; /* currently limited to just 1 cluster */ |
| 51 | u32 links; |
| 52 | }; |
| 53 | |
| 54 | struct node *zone_select_remote_node(struct _zone *z_ptr, u32 addr, u32 ref); |
| 55 | u32 zone_select_router(struct _zone *z_ptr, u32 addr, u32 ref); |
| 56 | void zone_remove_as_router(struct _zone *z_ptr, u32 router); |
| 57 | void zone_send_external_routes(struct _zone *z_ptr, u32 dest); |
| 58 | struct _zone *zone_create(u32 addr); |
| 59 | void zone_delete(struct _zone *z_ptr); |
| 60 | void zone_attach_cluster(struct _zone *z_ptr, struct cluster *c_ptr); |
| 61 | u32 zone_next_node(u32 addr); |
| 62 | |
| 63 | static inline struct _zone *zone_find(u32 addr) |
| 64 | { |
| 65 | return net.zones[tipc_zone(addr)]; |
| 66 | } |
| 67 | |
| 68 | #endif |