/*

 * Copyright (c) 2008 Voltaire, Inc. All rights reserved.

 * Copyright (c) 2008,2009 System Fabric Works, Inc. All rights reserved.

 *

 * This software is available to you under a choice of one of two

 * licenses.  You may choose to be licensed under the terms of the GNU

 * General Public License (GPL) Version 2, available from the file

 * COPYING in the main directory of this source tree, or the

 * OpenIB.org BSD license below:

 *

 *     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.

 *

 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,

 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF

 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND

 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS

 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN

 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN

 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE

 * SOFTWARE.

 *

 */

/*

 * Abstract:

 *      Declarations for mesh analysis

 */

#ifndef OSM_MESH_H

#define OSM_MESH_H

struct _lash;

struct _switch;

/*

 * per switch to switch link info

 */

typedef struct _link {

	int switch_id;

	int link_id;

	int next_port;

	int num_ports;

	int ports[0];

} link_t;

/*

 * per switch node mesh info

 */

typedef struct _mesh_node {

	int *axes;			/* used to hold and reorder assigned axes */

	int *coord;			/* mesh coordinates of switch */

	int **matrix;			/* distances between adjacant switches */

	int *poly;			/* characteristic polynomial of matrix */

					/* used as an invariant classification */

	int dimension;			/* apparent dimension of mesh around node */

	int temp;			/* temporary holder for distance info */

	int type;			/* index of node type in mesh_info array */

	unsigned int num_links;		/* number of 'links' to adjacent switches */

	link_t *links[0];		/* per link information */

} mesh_node_t;

void osm_mesh_node_delete(struct _lash *p_lash, struct _switch *sw);

int osm_mesh_node_create(struct _lash *p_lash, struct _switch *sw);

int osm_do_mesh_analysis(struct _lash *p_lash);

#endif