mirror of
https://github.com/lwip-tcpip/lwip.git
synced 2024-12-25 18:14:53 +00:00
ac46e42aa2
... from http://git.savannah.gnu.org/cgit/lwip/lwip-contrib.git/ into contrib/ subdir, STABLE-2_1_0_RELEASE tag lwIP contrib is now officially frozen TODO: Fix build
95 lines
3.2 KiB
C
95 lines
3.2 KiB
C
/**
|
|
* @file
|
|
*
|
|
* IPv6 static route table.
|
|
*/
|
|
|
|
/*
|
|
* Copyright (c) 2015 Nest Labs, Inc.
|
|
* 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. The name of the author may not be used to endorse or promote products
|
|
* derived from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
|
|
*
|
|
* Author: Pradip De <pradipd@google.com>
|
|
*
|
|
*
|
|
* Please coordinate changes and requests with Pradip De
|
|
* <pradipd@google.com>
|
|
*/
|
|
|
|
#ifndef __LWIP_IP6_ROUTE_TABLE_H__
|
|
#define __LWIP_IP6_ROUTE_TABLE_H__
|
|
|
|
#include "lwip/opt.h"
|
|
|
|
#if LWIP_IPV6 /* don't build if not configured for use in lwipopts.h */
|
|
|
|
#include "lwip/ip6_addr.h"
|
|
#include "lwip/err.h"
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
struct netif;
|
|
|
|
/**
|
|
* LWIP_IPV6_NUM_ROUTES: Number of IPV6 routes that can be kept in the static route table.
|
|
*/
|
|
#ifndef LWIP_IPV6_NUM_ROUTE_ENTRIES
|
|
#define LWIP_IPV6_NUM_ROUTE_ENTRIES (8)
|
|
#endif
|
|
|
|
#define IP6_MAX_PREFIX_LEN (128)
|
|
#define IP6_PREFIX_ALLOWED_GRANULARITY (8)
|
|
/* Prefix length cannot be greater than 128 bits and needs to be at a byte boundary */
|
|
#define ip6_prefix_valid(prefix_len) (((prefix_len) <= IP6_MAX_PREFIX_LEN) && \
|
|
(((prefix_len) % IP6_PREFIX_ALLOWED_GRANULARITY) == 0))
|
|
|
|
struct ip6_prefix {
|
|
ip6_addr_t addr;
|
|
u8_t prefix_len; /* prefix length in bits at byte boundaries */
|
|
};
|
|
|
|
struct ip6_route_entry {
|
|
struct ip6_prefix prefix;
|
|
struct netif *netif;
|
|
const ip6_addr_t *gateway;
|
|
};
|
|
|
|
err_t ip6_add_route_entry(const struct ip6_prefix *ip6_prefix, struct netif *netif,
|
|
const ip6_addr_t *gateway, s8_t *idx);
|
|
void ip6_remove_route_entry(const struct ip6_prefix *ip6_prefix);
|
|
s8_t ip6_find_route_entry(const ip6_addr_t *ip6_dest_addr);
|
|
struct netif *ip6_static_route(const ip6_addr_t *src, const ip6_addr_t *dest);
|
|
const ip6_addr_t *ip6_get_gateway(struct netif *netif, const ip6_addr_t *dest);
|
|
const struct ip6_route_entry *ip6_get_route_table(void);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* LWIP_IPV6 */
|
|
|
|
#endif /* __LWIP_IP6_ROUTE_TABLE_H__ */
|