mirror of
https://git.proxmox.com/git/mirror_frr
synced 2025-11-04 10:07:04 +00:00
fb018d251e
quagga: nexthop-tracking.patch Add next hop tracking support to Quagga. Complete documentation in doc/next-hop-tracking.txt. Signed-off-by: Pradosh Mohapatra <pmohapat@cumulusnetworks.com> Signed-off-by: Daniel Walton <dwalton@cumulusnetworks.com> Signed-off-by: Dinesh Dutt <ddutt@cumulusnetworks.com>
101 lines
2.5 KiB
C
101 lines
2.5 KiB
C
/* 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];
|
|
}
|