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/* A generic nexthop structure
* Copyright (C) 2013 Cumulus Networks, Inc.
*
* This file is part of GNU Zebra.
*
* GNU Zebra is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2, or (at your option) any
* later version.
*
* GNU Zebra is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNU Zebra; see the file COPYING. If not, write to the Free
* Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*/
#include <zebra.h>
#include "prefix.h"
#include "table.h"
#include "memory.h"
#include "str.h"
#include "command.h"
#include "if.h"
#include "log.h"
#include "sockunion.h"
#include "linklist.h"
#include "thread.h"
#include "prefix.h"
#include "nexthop.h"
/* check if nexthops are same, non-recursive */
int
nexthop_same_no_recurse (struct nexthop *next1, struct nexthop *next2)
{
if (next1->type != next2->type)
return 0;
switch (next1->type)
{
case NEXTHOP_TYPE_IPV4:
case NEXTHOP_TYPE_IPV4_IFINDEX:
if (! IPV4_ADDR_SAME (&next1->gate.ipv4, &next2->gate.ipv4))
return 0;
if (next1->ifindex && (next1->ifindex != next2->ifindex))
return 0;
break;
case NEXTHOP_TYPE_IFINDEX:
case NEXTHOP_TYPE_IFNAME:
if (next1->ifindex != next2->ifindex)
return 0;
break;
#ifdef HAVE_IPV6
case NEXTHOP_TYPE_IPV6:
if (! IPV6_ADDR_SAME (&next1->gate.ipv6, &next2->gate.ipv6))
return 0;
break;
case NEXTHOP_TYPE_IPV6_IFINDEX:
case NEXTHOP_TYPE_IPV6_IFNAME:
if (! IPV6_ADDR_SAME (&next1->gate.ipv6, &next2->gate.ipv6))
return 0;
if (next1->ifindex != next2->ifindex)
return 0;
break;
#endif /* HAVE_IPV6 */
default:
/* do nothing */
break;
}
return 1;
}
/*
* nexthop_type_to_str
*/
const char *
nexthop_type_to_str (enum nexthop_types_t nh_type)
{
static const char *desc[] = {
"none",
"Directly connected",
"Interface route",
"IPv4 nexthop",
"IPv4 nexthop with ifindex",
"IPv4 nexthop with ifname",
"IPv6 nexthop",
"IPv6 nexthop with ifindex",
"IPv6 nexthop with ifname",
"Null0 nexthop",
};
if (nh_type >= ZEBRA_NUM_OF (desc))
return "<Invalid nh type>";
return desc[nh_type];
}
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