[mirror_frr.git] / zebra / rtadv.h

/* Router advertisement
 * Copyright (C) 2005 6WIND <jean-mickael.guerin@6wind.com>
 * Copyright (C) 1999 Kunihiro Ishiguro
 *
 * 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 this program; see the file COPYING; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
 */

#ifndef _ZEBRA_RTADV_H
#define _ZEBRA_RTADV_H

#include "vty.h"
#include "zebra/interface.h"

/* NB: RTADV is defined in zebra/interface.h above */
#if defined(HAVE_RTADV)

/* Router advertisement prefix. */
struct rtadv_prefix {
	/* Prefix to be advertised. */
	struct prefix_ipv6 prefix;

	/* The value to be placed in the Valid Lifetime in the Prefix */
	uint32_t AdvValidLifetime;
#define RTADV_VALID_LIFETIME 2592000

	/* The value to be placed in the on-link flag */
	int AdvOnLinkFlag;

	/* The value to be placed in the Preferred Lifetime in the Prefix
	   Information option, in seconds.*/
	uint32_t AdvPreferredLifetime;
#define RTADV_PREFERRED_LIFETIME 604800

	/* The value to be placed in the Autonomous Flag. */
	int AdvAutonomousFlag;

	/* The value to be placed in the Router Address Flag [RFC6275 7.2]. */
	int AdvRouterAddressFlag;
#ifndef ND_OPT_PI_FLAG_RADDR
#define ND_OPT_PI_FLAG_RADDR         0x20
#endif
};

/* RFC4584 Extension to Sockets API for Mobile IPv6 */

#ifndef ND_OPT_ADV_INTERVAL
#define ND_OPT_ADV_INTERVAL	7   /* Adv Interval Option */
#endif
#ifndef ND_OPT_HA_INFORMATION
#define ND_OPT_HA_INFORMATION	8   /* HA Information Option */
#endif

#ifndef HAVE_STRUCT_ND_OPT_ADV_INTERVAL
struct nd_opt_adv_interval { /* Advertisement interval option */
	uint8_t nd_opt_ai_type;
	uint8_t nd_opt_ai_len;
	uint16_t nd_opt_ai_reserved;
	uint32_t nd_opt_ai_interval;
} __attribute__((__packed__));
#else
#ifndef HAVE_STRUCT_ND_OPT_ADV_INTERVAL_ND_OPT_AI_TYPE
/* fields may have to be renamed */
#define nd_opt_ai_type		nd_opt_adv_interval_type
#define nd_opt_ai_len		nd_opt_adv_interval_len
#define nd_opt_ai_reserved	nd_opt_adv_interval_reserved
#define nd_opt_ai_interval	nd_opt_adv_interval_ival
#endif
#endif

#ifndef HAVE_STRUCT_ND_OPT_HOMEAGENT_INFO
struct nd_opt_homeagent_info { /* Home Agent info */
	uint8_t nd_opt_hai_type;
	uint8_t nd_opt_hai_len;
	uint16_t nd_opt_hai_reserved;
	uint16_t nd_opt_hai_preference;
	uint16_t nd_opt_hai_lifetime;
} __attribute__((__packed__));
#endif

extern const char *rtadv_pref_strs[];

#endif /* HAVE_RTADV */

typedef enum {
	RA_ENABLE = 0,
	RA_SUPPRESS,
} ipv6_nd_suppress_ra_status;

extern void rtadv_init(struct zebra_ns *);
extern void rtadv_terminate(struct zebra_ns *);
extern void rtadv_cmd_init(void);
extern void zebra_interface_radv_disable(ZAPI_HANDLER_ARGS);
extern void zebra_interface_radv_enable(ZAPI_HANDLER_ARGS);


#endif /* _ZEBRA_RTADV_H */
Commit	Line	Data
	1	/* Router advertisement
	2	* Copyright (C) 2005 6WIND <jean-mickael.guerin@6wind.com>
	3	* Copyright (C) 1999 Kunihiro Ishiguro
	4	*
	5	* This file is part of GNU Zebra.
	6	*
	7	* GNU Zebra is free software; you can redistribute it and/or modify it
	8	* under the terms of the GNU General Public License as published by the
	9	* Free Software Foundation; either version 2, or (at your option) any
	10	* later version.
	11	*
	12	* GNU Zebra is distributed in the hope that it will be useful, but
	13	* WITHOUT ANY WARRANTY; without even the implied warranty of
	14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	15	* General Public License for more details.
	16	*
	17	* You should have received a copy of the GNU General Public License along
	18	* with this program; see the file COPYING; if not, write to the Free Software
	19	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
	20	*/
	21
	22	#ifndef _ZEBRA_RTADV_H
	23	#define _ZEBRA_RTADV_H
	24
	25	#include "vty.h"
	26	#include "zebra/interface.h"
	27
	28	/* NB: RTADV is defined in zebra/interface.h above */
	29	#if defined(HAVE_RTADV)
	30
	31	/* Router advertisement prefix. */
	32	struct rtadv_prefix {
	33	/* Prefix to be advertised. */
	34	struct prefix_ipv6 prefix;
	35
	36	/* The value to be placed in the Valid Lifetime in the Prefix */
	37	uint32_t AdvValidLifetime;
	38	#define RTADV_VALID_LIFETIME 2592000
	39
	40	/* The value to be placed in the on-link flag */
	41	int AdvOnLinkFlag;
	42
	43	/* The value to be placed in the Preferred Lifetime in the Prefix
	44	Information option, in seconds.*/
	45	uint32_t AdvPreferredLifetime;
	46	#define RTADV_PREFERRED_LIFETIME 604800
	47
	48	/* The value to be placed in the Autonomous Flag. */
	49	int AdvAutonomousFlag;
	50
	51	/* The value to be placed in the Router Address Flag [RFC6275 7.2]. */
	52	int AdvRouterAddressFlag;
	53	#ifndef ND_OPT_PI_FLAG_RADDR
	54	#define ND_OPT_PI_FLAG_RADDR 0x20
	55	#endif
	56	};
	57
	58	/* RFC4584 Extension to Sockets API for Mobile IPv6 */
	59
	60	#ifndef ND_OPT_ADV_INTERVAL
	61	#define ND_OPT_ADV_INTERVAL 7 /* Adv Interval Option */
	62	#endif
	63	#ifndef ND_OPT_HA_INFORMATION
	64	#define ND_OPT_HA_INFORMATION 8 /* HA Information Option */
	65	#endif
	66
	67	#ifndef HAVE_STRUCT_ND_OPT_ADV_INTERVAL
	68	struct nd_opt_adv_interval { /* Advertisement interval option */
	69	uint8_t nd_opt_ai_type;
	70	uint8_t nd_opt_ai_len;
	71	uint16_t nd_opt_ai_reserved;
	72	uint32_t nd_opt_ai_interval;
	73	} __attribute__((__packed__));
	74	#else
	75	#ifndef HAVE_STRUCT_ND_OPT_ADV_INTERVAL_ND_OPT_AI_TYPE
	76	/* fields may have to be renamed */
	77	#define nd_opt_ai_type nd_opt_adv_interval_type
	78	#define nd_opt_ai_len nd_opt_adv_interval_len
	79	#define nd_opt_ai_reserved nd_opt_adv_interval_reserved
	80	#define nd_opt_ai_interval nd_opt_adv_interval_ival
	81	#endif
	82	#endif
	83
	84	#ifndef HAVE_STRUCT_ND_OPT_HOMEAGENT_INFO
	85	struct nd_opt_homeagent_info { /* Home Agent info */
	86	uint8_t nd_opt_hai_type;
	87	uint8_t nd_opt_hai_len;
	88	uint16_t nd_opt_hai_reserved;
	89	uint16_t nd_opt_hai_preference;
	90	uint16_t nd_opt_hai_lifetime;
	91	} __attribute__((__packed__));
	92	#endif
	93
	94	extern const char *rtadv_pref_strs[];
	95
	96	#endif /* HAVE_RTADV */
	97
	98	typedef enum {
	99	RA_ENABLE = 0,
	100	RA_SUPPRESS,
	101	} ipv6_nd_suppress_ra_status;
	102
	103	extern void rtadv_init(struct zebra_ns *);
	104	extern void rtadv_terminate(struct zebra_ns *);
	105	extern void rtadv_cmd_init(void);
	106	extern void zebra_interface_radv_disable(ZAPI_HANDLER_ARGS);
	107	extern void zebra_interface_radv_enable(ZAPI_HANDLER_ARGS);
	108
	109
	110	#endif /* _ZEBRA_RTADV_H */