2 * net/tipc/zone.c: TIPC zone management routines
4 * Copyright (c) 2000-2006, Ericsson AB
5 * Copyright (c) 2005, Wind River Systems
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9 * modification, are permitted provided that the following conditions are met:
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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.
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41 #include "node_subscr.h"
45 struct _zone *tipc_zone_create(u32 addr)
50 if (!tipc_addr_domain_valid(addr)) {
51 err("Zone creation failed, invalid domain 0x%x\n", addr);
55 z_ptr = kzalloc(sizeof(*z_ptr), GFP_ATOMIC);
57 warn("Zone creation failed, insufficient memory\n");
61 z_num = tipc_zone(addr);
62 z_ptr->addr = tipc_addr(z_num, 0, 0);
63 tipc_net.zones[z_num] = z_ptr;
67 void tipc_zone_delete(struct _zone *z_ptr)
73 for (c_num = 1; c_num <= tipc_max_clusters; c_num++) {
74 tipc_cltr_delete(z_ptr->clusters[c_num]);
79 void tipc_zone_attach_cluster(struct _zone *z_ptr, struct cluster *c_ptr)
81 u32 c_num = tipc_cluster(c_ptr->addr);
84 assert(c_num <= tipc_max_clusters);
85 assert(z_ptr->clusters[c_num] == NULL);
86 z_ptr->clusters[c_num] = c_ptr;
89 void tipc_zone_remove_as_router(struct _zone *z_ptr, u32 router)
93 for (c_num = 1; c_num <= tipc_max_clusters; c_num++) {
94 if (z_ptr->clusters[c_num]) {
95 tipc_cltr_remove_as_router(z_ptr->clusters[c_num],
101 void tipc_zone_send_external_routes(struct _zone *z_ptr, u32 dest)
105 for (c_num = 1; c_num <= tipc_max_clusters; c_num++) {
106 if (z_ptr->clusters[c_num]) {
107 if (in_own_cluster(z_ptr->addr))
109 tipc_cltr_send_ext_routes(z_ptr->clusters[c_num], dest);
114 struct node *tipc_zone_select_remote_node(struct _zone *z_ptr, u32 addr, u32 ref)
116 struct cluster *c_ptr;
122 c_ptr = z_ptr->clusters[tipc_cluster(addr)];
125 n_ptr = tipc_cltr_select_node(c_ptr, ref);
129 /* Links to any other clusters within this zone ? */
130 for (c_num = 1; c_num <= tipc_max_clusters; c_num++) {
131 c_ptr = z_ptr->clusters[c_num];
134 n_ptr = tipc_cltr_select_node(c_ptr, ref);
141 u32 tipc_zone_select_router(struct _zone *z_ptr, u32 addr, u32 ref)
143 struct cluster *c_ptr;
149 c_ptr = z_ptr->clusters[tipc_cluster(addr)];
150 router = c_ptr ? tipc_cltr_select_router(c_ptr, ref) : 0;
154 /* Links to any other clusters within the zone? */
155 for (c_num = 1; c_num <= tipc_max_clusters; c_num++) {
156 c_ptr = z_ptr->clusters[c_num];
157 router = c_ptr ? tipc_cltr_select_router(c_ptr, ref) : 0;
165 u32 tipc_zone_next_node(u32 addr)
167 struct cluster *c_ptr = tipc_cltr_find(addr);
170 return tipc_cltr_next_node(c_ptr, addr);