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/* 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 */
u_int32_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.*/
u_int32_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
};
extern void rtadv_config_write(struct vty *, struct interface *);
/* 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 */
u_int8_t nd_opt_hai_type;
u_int8_t nd_opt_hai_len;
u_int16_t nd_opt_hai_reserved;
u_int16_t nd_opt_hai_preference;
u_int16_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_set(struct zserv *client, int sock,
u_short length, struct zebra_vrf *zvrf,
int enable);
#endif /* _ZEBRA_RTADV_H */
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