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Diffstat (limited to 'net/tipc/cluster.h')
-rw-r--r-- | net/tipc/cluster.h | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/net/tipc/cluster.h b/net/tipc/cluster.h new file mode 100644 index 000000000000..9963642e1058 --- /dev/null +++ b/net/tipc/cluster.h @@ -0,0 +1,92 @@ +/* + * net/tipc/cluster.h: Include file for TIPC cluster management routines + * + * Copyright (c) 2000-2006, Ericsson AB + * Copyright (c) 2005, Wind River Systems + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the names of the copyright holders nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * Alternatively, this software may be distributed under the terms of the + * GNU General Public License ("GPL") version 2 as published by the Free + * Software Foundation. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _TIPC_CLUSTER_H +#define _TIPC_CLUSTER_H + +#include "addr.h" +#include "zone.h" + +#define LOWEST_SLAVE 2048u + +/** + * struct cluster - TIPC cluster structure + * @addr: network address of cluster + * @owner: pointer to zone that cluster belongs to + * @nodes: array of pointers to all nodes within cluster + * @highest_node: id of highest numbered node within cluster + * @highest_slave: (used for secondary node support) + */ + +struct cluster { + u32 addr; + struct _zone *owner; + struct node **nodes; + u32 highest_node; + u32 highest_slave; +}; + + +extern struct node **tipc_local_nodes; +extern u32 tipc_highest_allowed_slave; +extern struct node_map tipc_cltr_bcast_nodes; + +void tipc_cltr_remove_as_router(struct cluster *c_ptr, u32 router); +void tipc_cltr_send_ext_routes(struct cluster *c_ptr, u32 dest); +struct node *tipc_cltr_select_node(struct cluster *c_ptr, u32 selector); +u32 tipc_cltr_select_router(struct cluster *c_ptr, u32 ref); +void tipc_cltr_recv_routing_table(struct sk_buff *buf); +struct cluster *tipc_cltr_create(u32 addr); +void tipc_cltr_delete(struct cluster *c_ptr); +void tipc_cltr_attach_node(struct cluster *c_ptr, struct node *n_ptr); +void tipc_cltr_send_slave_routes(struct cluster *c_ptr, u32 dest); +void tipc_cltr_broadcast(struct sk_buff *buf); +int tipc_cltr_init(void); +u32 tipc_cltr_next_node(struct cluster *c_ptr, u32 addr); +void tipc_cltr_bcast_new_route(struct cluster *c_ptr, u32 dest, u32 lo, u32 hi); +void tipc_cltr_send_local_routes(struct cluster *c_ptr, u32 dest); +void tipc_cltr_bcast_lost_route(struct cluster *c_ptr, u32 dest, u32 lo, u32 hi); + +static inline struct cluster *tipc_cltr_find(u32 addr) +{ + struct _zone *z_ptr = tipc_zone_find(addr); + + if (z_ptr) + return z_ptr->clusters[1]; + return 0; +} + +#endif |