C:/Atmel/workspace/fip/source/corenet/fip_route6.h

/*
 * Copyright (c) 2010, FIP AUTHORS
 * 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 name of the FIP AUTHORS 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 HOLDER 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.
 */
/*
 * fip_route6.h
 *
 *  Created on: 28-Jul-2010
 *      Author: colin
 */

#ifndef FIP_ROUTE6_H_
#define FIP_ROUTE6_H_

#define METRIC_BEST  (0)
#define METRIC_DEFRT (128)
#define METRIC_WORST (255)

/** IPv6 Routes with additional state */
typedef struct
{
    fip_routestate_t    state;          /**< Route state (unused, used, etc) */
    unsigned char       length;         /**< Route length in bits */
    unsigned char       metric;         /**< Route metric (low is better) */
    fip_ifnum_t         interfaceNext;  /**< Next-hop interface */
    fip_bool_t          advRoute;       /**< For routers, flag that indicates if we advertise this prefix */
    fip_vlifetime_t     validLifetime;  /**< When advertising the route, how long this is valid for */
    fip_vlifetime_t     expireTime32S;  /**< When in seconds since system start the route expires, 0 = Never */
    fip_ip6addr_t       route;          /**< Route itself */
    fip_ip6addr_t       nextHop;        /**< Next hop IPv6 Address */
} fip_myip6route_t;

typedef fip_ds6_searchStatus_t  fip_route6_searchStatus_t;

fip_return_t fip_route6_addRoute(const unsigned char route[], unsigned char routeLen,
                    unsigned char metric, fip_ifnum_t interface,
                    fip_vlifetime_t lifetime, const fip_ip6addr_t * const nextHop,
                    fip_bool_t advRoute);
fip_route6_searchStatus_t fip_route6_findRouteByDestination(const unsigned char * route, unsigned char routeLen);
fip_route6_searchStatus_t fip_route6_findRouteByNextHop(const fip_ip6addr_t * const nextHop);
fip_ds6_searchStatus_t fip_route6_findBestRoute(const fip_ip6addr_t * const destination);
void fip_route6_process(void);
const fip_ip6addr_t * fip_route6_getNextHop(void);

extern fip_myip6route_t    fip_routingTable[FIP_CONF_MAX_ROUTES];

#endif /* FIP_ROUTE6_H_ */

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