mirror of
https://github.com/torvalds/linux.git
synced 2024-11-12 07:01:57 +00:00
90 lines
3.4 KiB
C
90 lines
3.4 KiB
C
|
/*
|
||
|
|
* net/tipc/cluster.h: Include file for TIPC cluster management routines
|
||
|
|
*
|
||
|
|
* Copyright (c) 2003-2005, Ericsson Research Canada
|
||
|
|
* Copyright (c) 2005, Wind River Systems
|
||
|
|
* Copyright (c) 2005-2006, Ericsson AB
|
||
|
|
* All rights reserved.
|
||
|
|
*
|
||
|
|
* Redistribution and use in source and binary forms, with or without
|
||
|
|
* modification, are permitted provided that the following conditions are met:
|
||
|
|
*
|
||
|
|
* Redistributions of source code must retain the above copyright notice, this
|
||
|
|
* list of conditions and the following disclaimer.
|
||
|
|
* 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.
|
||
|
|
* 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.
|
||
|
|
*
|
||
|
|
* 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 **local_nodes;
|
||
|
|
extern u32 highest_allowed_slave;
|
||
|
|
extern struct node_map cluster_bcast_nodes;
|
||
|
|
|
||
|
|
void cluster_remove_as_router(struct cluster *c_ptr, u32 router);
|
||
|
|
void cluster_send_ext_routes(struct cluster *c_ptr, u32 dest);
|
||
|
|
struct node *cluster_select_node(struct cluster *c_ptr, u32 selector);
|
||
|
|
u32 cluster_select_router(struct cluster *c_ptr, u32 ref);
|
||
|
|
void cluster_recv_routing_table(struct sk_buff *buf);
|
||
|
|
struct cluster *cluster_create(u32 addr);
|
||
|
|
void cluster_delete(struct cluster *c_ptr);
|
||
|
|
void cluster_attach_node(struct cluster *c_ptr, struct node *n_ptr);
|
||
|
|
void cluster_send_slave_routes(struct cluster *c_ptr, u32 dest);
|
||
|
|
void cluster_broadcast(struct sk_buff *buf);
|
||
|
|
int cluster_init(void);
|
||
|
|
u32 cluster_next_node(struct cluster *c_ptr, u32 addr);
|
||
|
|
void cluster_bcast_new_route(struct cluster *c_ptr, u32 dest, u32 lo, u32 hi);
|
||
|
|
void cluster_send_local_routes(struct cluster *c_ptr, u32 dest);
|
||
|
|
void cluster_bcast_lost_route(struct cluster *c_ptr, u32 dest, u32 lo, u32 hi);
|
||
|
|
|
||
|
|
static inline struct cluster *cluster_find(u32 addr)
|
||
|
|
{
|
||
|
|
struct _zone *z_ptr = zone_find(addr);
|
||
|
|
|
||
|
|
if (z_ptr)
|
||
|
|
return z_ptr->clusters[1];
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif
|