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3ee39b5ba0
The NEXTHOP_TYPE_XXX_IFNAME types were never being used. Remove them and the code associated with them. Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
101 lines
3.2 KiB
C
101 lines
3.2 KiB
C
/*
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* Nexthop structure definition.
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* Copyright (C) 1997, 98, 99, 2001 Kunihiro Ishiguro
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* Copyright (C) 2013 Cumulus Networks, Inc.
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*
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* This file is part of Quagga.
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*
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* Quagga is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2, or (at your option) any
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* later version.
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*
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* Quagga is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Quagga; see the file COPYING. If not, write to the Free
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* Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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* 02111-1307, USA.
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*/
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#ifndef _LIB_NEXTHOP_H
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#define _LIB_NEXTHOP_H
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#include "prefix.h"
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union g_addr {
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struct in_addr ipv4;
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struct in6_addr ipv6;
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};
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enum nexthop_types_t
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{
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NEXTHOP_TYPE_IFINDEX = 1, /* Directly connected. */
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NEXTHOP_TYPE_IPV4, /* IPv4 nexthop. */
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NEXTHOP_TYPE_IPV4_IFINDEX, /* IPv4 nexthop with ifindex. */
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NEXTHOP_TYPE_IPV6, /* IPv6 nexthop. */
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NEXTHOP_TYPE_IPV6_IFINDEX, /* IPv6 nexthop with ifindex. */
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NEXTHOP_TYPE_BLACKHOLE, /* Null0 nexthop. */
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};
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/* Nexthop structure. */
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struct nexthop
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{
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struct nexthop *next;
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struct nexthop *prev;
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/* Interface index. */
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unsigned int ifindex;
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enum nexthop_types_t type;
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u_char flags;
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#define NEXTHOP_FLAG_ACTIVE (1 << 0) /* This nexthop is alive. */
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#define NEXTHOP_FLAG_FIB (1 << 1) /* FIB nexthop. */
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#define NEXTHOP_FLAG_RECURSIVE (1 << 2) /* Recursive nexthop. */
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#define NEXTHOP_FLAG_ONLINK (1 << 3) /* Nexthop should be installed onlink. */
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#define NEXTHOP_FLAG_MATCHED (1 << 4) /* Already matched vs a nexthop */
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#define NEXTHOP_FLAG_FILTERED (1 << 5) /* rmap filtered, used by static only */
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/* Nexthop address */
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union g_addr gate;
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union g_addr src;
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union g_addr rmap_src; /* Src is set via routemap */
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/* Nexthops obtained by recursive resolution.
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*
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* If the nexthop struct needs to be resolved recursively,
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* NEXTHOP_FLAG_RECURSIVE will be set in flags and the nexthops
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* obtained by recursive resolution will be added to `resolved'.
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* Only one level of recursive resolution is currently supported. */
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struct nexthop *resolved;
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};
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extern int zebra_rnh_ip_default_route;
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extern int zebra_rnh_ipv6_default_route;
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static inline int
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nh_resolve_via_default(int family)
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{
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if (((family == AF_INET) && zebra_rnh_ip_default_route) ||
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((family == AF_INET6) && zebra_rnh_ipv6_default_route))
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return 1;
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else
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return 0;
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}
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struct nexthop *nexthop_new (void);
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void nexthop_add (struct nexthop **target, struct nexthop *nexthop);
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void copy_nexthops (struct nexthop **tnh, struct nexthop *nh);
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void nexthop_free (struct nexthop *nexthop);
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void nexthops_free (struct nexthop *nexthop);
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extern const char *nexthop_type_to_str (enum nexthop_types_t nh_type);
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extern int nexthop_same_no_recurse (struct nexthop *next1, struct nexthop *next2);
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#endif /*_LIB_NEXTHOP_H */
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