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	indent.py `git ls-files | pcregrep '\.[ch]$' | pcregrep -v '^(ldpd|babeld|nhrpd)/'` Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
		
			
				
	
	
		
			228 lines
		
	
	
		
			9.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			228 lines
		
	
	
		
			9.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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 * Copyright (C) 2003 Yasuhiro Ohara
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 *
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 * This file is part of GNU Zebra.
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 *
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 * GNU Zebra 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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 * GNU Zebra 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 along
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 * with this program; see the file COPYING; if not, write to the Free Software
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 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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 */
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#ifndef OSPF6_INTRA_H
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#define OSPF6_INTRA_H
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/* Debug option */
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extern unsigned char conf_debug_ospf6_brouter;
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extern u_int32_t conf_debug_ospf6_brouter_specific_router_id;
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extern u_int32_t conf_debug_ospf6_brouter_specific_area_id;
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#define OSPF6_DEBUG_BROUTER_SUMMARY         0x01
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#define OSPF6_DEBUG_BROUTER_SPECIFIC_ROUTER 0x02
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#define OSPF6_DEBUG_BROUTER_SPECIFIC_AREA   0x04
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#define OSPF6_DEBUG_BROUTER_ON()                                               \
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	(conf_debug_ospf6_brouter |= OSPF6_DEBUG_BROUTER_SUMMARY)
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#define OSPF6_DEBUG_BROUTER_OFF()                                              \
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	(conf_debug_ospf6_brouter &= ~OSPF6_DEBUG_BROUTER_SUMMARY)
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#define IS_OSPF6_DEBUG_BROUTER                                                 \
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	(conf_debug_ospf6_brouter & OSPF6_DEBUG_BROUTER_SUMMARY)
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#define OSPF6_DEBUG_BROUTER_SPECIFIC_ROUTER_ON(router_id)                      \
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	do {                                                                   \
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		conf_debug_ospf6_brouter_specific_router_id = (router_id);     \
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		conf_debug_ospf6_brouter |=                                    \
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			OSPF6_DEBUG_BROUTER_SPECIFIC_ROUTER;                   \
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	} while (0)
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#define OSPF6_DEBUG_BROUTER_SPECIFIC_ROUTER_OFF()                              \
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	do {                                                                   \
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		conf_debug_ospf6_brouter_specific_router_id = 0;               \
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		conf_debug_ospf6_brouter &=                                    \
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			~OSPF6_DEBUG_BROUTER_SPECIFIC_ROUTER;                  \
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	} while (0)
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#define IS_OSPF6_DEBUG_BROUTER_SPECIFIC_ROUTER                                 \
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	(conf_debug_ospf6_brouter & OSPF6_DEBUG_BROUTER_SPECIFIC_ROUTER)
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#define IS_OSPF6_DEBUG_BROUTER_SPECIFIC_ROUTER_ID(router_id)                   \
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	(IS_OSPF6_DEBUG_BROUTER_SPECIFIC_ROUTER                                \
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	 && conf_debug_ospf6_brouter_specific_router_id == (router_id))
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#define OSPF6_DEBUG_BROUTER_SPECIFIC_AREA_ON(area_id)                          \
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	do {                                                                   \
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		conf_debug_ospf6_brouter_specific_area_id = (area_id);         \
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		conf_debug_ospf6_brouter |= OSPF6_DEBUG_BROUTER_SPECIFIC_AREA; \
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	} while (0)
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#define OSPF6_DEBUG_BROUTER_SPECIFIC_AREA_OFF()                                \
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	do {                                                                   \
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		conf_debug_ospf6_brouter_specific_area_id = 0;                 \
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		conf_debug_ospf6_brouter &=                                    \
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			~OSPF6_DEBUG_BROUTER_SPECIFIC_AREA;                    \
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	} while (0)
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#define IS_OSPF6_DEBUG_BROUTER_SPECIFIC_AREA                                   \
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	(conf_debug_ospf6_brouter & OSPF6_DEBUG_BROUTER_SPECIFIC_AREA)
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#define IS_OSPF6_DEBUG_BROUTER_SPECIFIC_AREA_ID(area_id)                       \
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	(IS_OSPF6_DEBUG_BROUTER_SPECIFIC_AREA                                  \
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	 && conf_debug_ospf6_brouter_specific_area_id == (area_id))
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/* Router-LSA */
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#define OSPF6_ROUTER_LSA_MIN_SIZE              4U
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struct ospf6_router_lsa {
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	u_char bits;
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	u_char options[3];
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	/* followed by ospf6_router_lsdesc(s) */
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};
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/* Link State Description in Router-LSA */
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#define OSPF6_ROUTER_LSDESC_FIX_SIZE          16U
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struct ospf6_router_lsdesc {
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	u_char type;
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	u_char reserved;
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	u_int16_t metric; /* output cost */
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	u_int32_t interface_id;
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	u_int32_t neighbor_interface_id;
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	u_int32_t neighbor_router_id;
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};
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#define OSPF6_ROUTER_LSDESC_POINTTOPOINT       1
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#define OSPF6_ROUTER_LSDESC_TRANSIT_NETWORK    2
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#define OSPF6_ROUTER_LSDESC_STUB_NETWORK       3
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#define OSPF6_ROUTER_LSDESC_VIRTUAL_LINK       4
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enum stub_router_mode {
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	OSPF6_NOT_STUB_ROUTER,
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	OSPF6_IS_STUB_ROUTER,
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	OSPF6_IS_STUB_ROUTER_V6,
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};
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#define ROUTER_LSDESC_IS_TYPE(t, x)                                            \
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	((((struct ospf6_router_lsdesc *)(x))->type                            \
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	  == OSPF6_ROUTER_LSDESC_##t)                                          \
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		 ? 1                                                           \
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		 : 0)
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#define ROUTER_LSDESC_GET_METRIC(x)                                            \
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	(ntohs(((struct ospf6_router_lsdesc *)(x))->metric))
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#define ROUTER_LSDESC_GET_IFID(x)                                              \
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	(ntohl(((struct ospf6_router_lsdesc *)(x))->interface_id))
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#define ROUTER_LSDESC_GET_NBR_IFID(x)                                          \
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	(ntohl(((struct ospf6_router_lsdesc *)(x))->neighbor_interface_id))
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#define ROUTER_LSDESC_GET_NBR_ROUTERID(x)                                      \
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	(((struct ospf6_router_lsdesc *)(x))->neighbor_router_id)
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/* Network-LSA */
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#define OSPF6_NETWORK_LSA_MIN_SIZE             4U
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struct ospf6_network_lsa {
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	u_char reserved;
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	u_char options[3];
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	/* followed by ospf6_netowrk_lsd(s) */
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};
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/* Link State Description in Router-LSA */
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#define OSPF6_NETWORK_LSDESC_FIX_SIZE          4U
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struct ospf6_network_lsdesc {
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	u_int32_t router_id;
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};
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#define NETWORK_LSDESC_GET_NBR_ROUTERID(x)                                     \
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	(((struct ospf6_network_lsdesc *)(x))->router_id)
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/* Link-LSA */
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#define OSPF6_LINK_LSA_MIN_SIZE               24U /* w/o 1st IPv6 prefix */
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struct ospf6_link_lsa {
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	u_char priority;
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	u_char options[3];
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	struct in6_addr linklocal_addr;
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	u_int32_t prefix_num;
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	/* followed by ospf6 prefix(es) */
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};
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/* Intra-Area-Prefix-LSA */
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#define OSPF6_INTRA_PREFIX_LSA_MIN_SIZE       12U /* w/o 1st IPv6 prefix */
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struct ospf6_intra_prefix_lsa {
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	u_int16_t prefix_num;
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	u_int16_t ref_type;
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	u_int32_t ref_id;
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	u_int32_t ref_adv_router;
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	/* followed by ospf6 prefix(es) */
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};
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#define OSPF6_ROUTER_LSA_SCHEDULE(oa)                                          \
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	do {                                                                   \
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		if (CHECK_FLAG((oa)->flag, OSPF6_AREA_ENABLE))                 \
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			thread_add_event(master, ospf6_router_lsa_originate,   \
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					 oa, 0, &(oa)->thread_router_lsa);     \
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	} while (0)
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#define OSPF6_NETWORK_LSA_SCHEDULE(oi)                                         \
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	do {                                                                   \
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		if (!CHECK_FLAG((oi)->flag, OSPF6_INTERFACE_DISABLE))          \
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			thread_add_event(master, ospf6_network_lsa_originate,  \
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					 oi, 0, &(oi)->thread_network_lsa);    \
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	} while (0)
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#define OSPF6_LINK_LSA_SCHEDULE(oi)                                            \
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	do {                                                                   \
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		if (!CHECK_FLAG((oi)->flag, OSPF6_INTERFACE_DISABLE))          \
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			thread_add_event(master, ospf6_link_lsa_originate, oi, \
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					 0, &(oi)->thread_link_lsa);           \
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	} while (0)
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#define OSPF6_INTRA_PREFIX_LSA_SCHEDULE_STUB(oa)                               \
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	do {                                                                   \
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		if (CHECK_FLAG((oa)->flag, OSPF6_AREA_ENABLE))                 \
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			thread_add_event(                                      \
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				master, ospf6_intra_prefix_lsa_originate_stub, \
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				oa, 0, &(oa)->thread_intra_prefix_lsa);        \
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	} while (0)
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#define OSPF6_INTRA_PREFIX_LSA_SCHEDULE_TRANSIT(oi)                            \
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	do {                                                                   \
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		if (!CHECK_FLAG((oi)->flag, OSPF6_INTERFACE_DISABLE))          \
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			thread_add_event(                                      \
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				master,                                        \
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				ospf6_intra_prefix_lsa_originate_transit, oi,  \
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				0, &(oi)->thread_intra_prefix_lsa);            \
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	} while (0)
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#define OSPF6_NETWORK_LSA_EXECUTE(oi)                                          \
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	do {                                                                   \
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		THREAD_OFF((oi)->thread_network_lsa);                          \
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		thread_execute(master, ospf6_network_lsa_originate, oi, 0);    \
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	} while (0)
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#define OSPF6_INTRA_PREFIX_LSA_EXECUTE_TRANSIT(oi)                             \
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	do {                                                                   \
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		THREAD_OFF((oi)->thread_intra_prefix_lsa);                     \
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		thread_execute(master,                                         \
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			       ospf6_intra_prefix_lsa_originate_transit, oi,   \
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			       0);                                             \
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	} while (0)
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/* Function Prototypes */
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extern char *ospf6_router_lsdesc_lookup(u_char type, u_int32_t interface_id,
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					u_int32_t neighbor_interface_id,
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					u_int32_t neighbor_router_id,
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					struct ospf6_lsa *lsa);
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extern char *ospf6_network_lsdesc_lookup(u_int32_t router_id,
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					 struct ospf6_lsa *lsa);
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extern int ospf6_router_is_stub_router(struct ospf6_lsa *lsa);
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extern int ospf6_router_lsa_originate(struct thread *);
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extern int ospf6_network_lsa_originate(struct thread *);
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extern int ospf6_link_lsa_originate(struct thread *);
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extern int ospf6_intra_prefix_lsa_originate_transit(struct thread *);
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extern int ospf6_intra_prefix_lsa_originate_stub(struct thread *);
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extern void ospf6_intra_prefix_lsa_add(struct ospf6_lsa *lsa);
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extern void ospf6_intra_prefix_lsa_remove(struct ospf6_lsa *lsa);
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extern void ospf6_intra_route_calculation(struct ospf6_area *oa);
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extern void ospf6_intra_brouter_calculation(struct ospf6_area *oa);
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extern void ospf6_intra_init(void);
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extern int config_write_ospf6_debug_brouter(struct vty *vty);
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extern void install_element_ospf6_debug_brouter(void);
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#endif /* OSPF6_LSA_H */
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