[mirror_frr.git] / zebra / interface.h

/* Interface function header.
 * 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_INTERFACE_H
#define _ZEBRA_INTERFACE_H

#include "redistribute.h"
#include "vrf.h"
#include "hook.h"

#include "zebra/zebra_l2.h"

/* For interface multicast configuration. */
#define IF_ZEBRA_MULTICAST_UNSPEC 0
#define IF_ZEBRA_MULTICAST_ON     1
#define IF_ZEBRA_MULTICAST_OFF    2

/* For interface shutdown configuration. */
#define IF_ZEBRA_SHUTDOWN_OFF    0
#define IF_ZEBRA_SHUTDOWN_ON     1

#if defined(HAVE_RTADV)
/* Router advertisement parameter.  From RFC4861, RFC6275 and RFC4191. */
struct rtadvconf {
	/* A flag indicating whether or not the router sends periodic Router
	   Advertisements and responds to Router Solicitations.
	   Default: FALSE */
	int AdvSendAdvertisements;

	/* The maximum time allowed between sending unsolicited multicast
	   Router Advertisements from the interface, in milliseconds.
	   MUST be no less than 70 ms [RFC6275 7.5] and no greater
	   than 1800000 ms [RFC4861 6.2.1].

	   Default: 600000 milliseconds */
	int MaxRtrAdvInterval;
#define RTADV_MAX_RTR_ADV_INTERVAL 600000

	/* The minimum time allowed between sending unsolicited multicast
	   Router Advertisements from the interface, in milliseconds.
	   MUST be no less than 30 ms [RFC6275 7.5].
	   MUST be no greater than .75 * MaxRtrAdvInterval.

	   Default: 0.33 * MaxRtrAdvInterval */
	int MinRtrAdvInterval; /* This field is currently unused. */
			       /* $FRR indent$ */
			       /* clang-format off */
#define RTADV_MIN_RTR_ADV_INTERVAL (0.33 * RTADV_MAX_RTR_ADV_INTERVAL)

	/* Unsolicited Router Advertisements' interval timer. */
	int AdvIntervalTimer;

	/* The TRUE/FALSE value to be placed in the "Managed address
	   configuration" flag field in the Router Advertisement.  See
	   [ADDRCONF].

	   Default: FALSE */
	int AdvManagedFlag;


	/* The TRUE/FALSE value to be placed in the "Other stateful
	   configuration" flag field in the Router Advertisement.  See
	   [ADDRCONF].

	   Default: FALSE */
	int AdvOtherConfigFlag;

	/* The value to be placed in MTU options sent by the router.  A
	   value of zero indicates that no MTU options are sent.

	   Default: 0 */
	int AdvLinkMTU;


	/* The value to be placed in the Reachable Time field in the Router
	   Advertisement messages sent by the router.  The value zero means
	   unspecified (by this router).  MUST be no greater than 3,600,000
	   milliseconds (1 hour).

	   Default: 0 */
	u_int32_t AdvReachableTime;
#define RTADV_MAX_REACHABLE_TIME 3600000

	/* The value to be placed in the Retrans Timer field in the Router
	   Advertisement messages sent by the router.  The value zero means
	   unspecified (by this router).

	   Default: 0 */
	int AdvRetransTimer;

	/* The default value to be placed in the Cur Hop Limit field in the
	   Router Advertisement messages sent by the router.  The value
	   should be set to that current diameter of the Internet.  The
	   value zero means unspecified (by this router).

	   Default: The value specified in the "Assigned Numbers" RFC
	   [ASSIGNED] that was in effect at the time of implementation. */
	int AdvCurHopLimit;

	/* The value to be placed in the Router Lifetime field of Router
	   Advertisements sent from the interface, in seconds.  MUST be
	   either zero or between MaxRtrAdvInterval and 9000 seconds.  A
	   value of zero indicates that the router is not to be used as a
	   default router.

	   Default: 3 * MaxRtrAdvInterval */
	int AdvDefaultLifetime;
#define RTADV_MAX_RTRLIFETIME 9000 /* 2.5 hours */

	/* A list of prefixes to be placed in Prefix Information options in
	   Router Advertisement messages sent from the interface.

	   Default: all prefixes that the router advertises via routing
	   protocols as being on-link for the interface from which the
	   advertisement is sent. The link-local prefix SHOULD NOT be
	   included in the list of advertised prefixes. */
	struct list *AdvPrefixList;

	/* The TRUE/FALSE value to be placed in the "Home agent"
	   flag field in the Router Advertisement.  See [RFC6275 7.1].

	   Default: FALSE */
	int AdvHomeAgentFlag;
#ifndef ND_RA_FLAG_HOME_AGENT
#define ND_RA_FLAG_HOME_AGENT 	0x20
#endif

	/* The value to be placed in Home Agent Information option if Home
	   Flag is set.
	   Default: 0 */
	int HomeAgentPreference;

	/* The value to be placed in Home Agent Information option if Home
	   Flag is set. Lifetime (seconds) MUST not be greater than 18.2
	   hours.
	   The value 0 has special meaning: use of AdvDefaultLifetime value.

	   Default: 0 */
	int HomeAgentLifetime;
#define RTADV_MAX_HALIFETIME 65520 /* 18.2 hours */

	/* The TRUE/FALSE value to insert or not an Advertisement Interval
	   option. See [RFC 6275 7.3]

	   Default: FALSE */
	int AdvIntervalOption;

	/* The value to be placed in the Default Router Preference field of
	   a router advertisement. See [RFC 4191 2.1 & 2.2]

	   Default: 0 (medium) */
	int DefaultPreference;
#define RTADV_PREF_MEDIUM 0x0 /* Per RFC4191. */

	u_char inFastRexmit; /* True if we're rexmits faster than usual */
	u_char configured;   /* Has operator configured RA? */
	int
		NumFastReXmitsRemain; /* Loaded first with number of fast
					 rexmits to do */

#define RTADV_FAST_REXMIT_PERIOD 1 /* 1 sec */
#define RTADV_NUM_FAST_REXMITS   4 /* Fast Rexmit RA 4 times on certain events */
};

#endif /* HAVE_RTADV */

/* Zebra interface type - ones of interest. */
typedef enum {
	ZEBRA_IF_VXLAN,   /* VxLAN interface */
	ZEBRA_IF_VRF,     /* VRF device */
	ZEBRA_IF_BRIDGE,  /* bridge device */
	ZEBRA_IF_VLAN,    /* VLAN sub-interface */
	ZEBRA_IF_MACVLAN, /* MAC VLAN interface*/
	ZEBRA_IF_OTHER,   /* Anything else */
} zebra_iftype_t;

/* Zebra "slave" interface type */
typedef enum {
	ZEBRA_IF_SLAVE_NONE,   /* Not a slave */
	ZEBRA_IF_SLAVE_VRF,    /* Member of a VRF */
	ZEBRA_IF_SLAVE_BRIDGE, /* Member of a bridge */
	ZEBRA_IF_SLAVE_OTHER,  /* Something else - e.g., bond slave */
} zebra_slave_iftype_t;

struct irdp_interface;

/* `zebra' daemon local interface structure. */
struct zebra_if {
	/* Shutdown configuration. */
	u_char shutdown;

	/* Multicast configuration. */
	u_char multicast;

	/* Router advertise configuration. */
	u_char rtadv_enable;

	/* Installed addresses chains tree. */
	struct route_table *ipv4_subnets;

	/* Information about up/down changes */
	unsigned int up_count;
	char up_last[QUAGGA_TIMESTAMP_LEN];
	unsigned int down_count;
	char down_last[QUAGGA_TIMESTAMP_LEN];

#if defined(HAVE_RTADV)
	struct rtadvconf rtadv;
	unsigned int ra_sent, ra_rcvd;
#endif /* HAVE_RTADV */

	struct irdp_interface *irdp;

#ifdef HAVE_STRUCT_SOCKADDR_DL
	union {
		/* note that sdl_storage is never accessed, it only exists to
		 * make space.
		 * all actual uses refer to sdl - but use sizeof(sdl_storage)!
		 * this fits
		 * best with C aliasing rules. */
		struct sockaddr_dl sdl;
		struct sockaddr_storage sdl_storage;
	};
#endif

#ifdef SUNOS_5
	/* the real IFF_UP state of the primary interface.
	 * need this to differentiate between all interfaces being
	 * down (but primary still plumbed) and primary having gone
	 * ~IFF_UP, and all addresses gone.
	 */
	u_char primary_state;
#endif /* SUNOS_5 */

	/* ptm enable configuration */
	u_char ptm_enable;

	/* Zebra interface and "slave" interface type */
	zebra_iftype_t zif_type;
	zebra_slave_iftype_t zif_slave_type;

	/* Additional L2 info, depends on zif_type */
	union zebra_l2if_info l2info;

	/* For members of a bridge, link to bridge. */
	/* Note: If additional fields become necessary, this can be modified to
	 * be a pointer to a dynamically allocd struct.
	 */
	struct zebra_l2info_brslave brslave_info;

	/* Link fields - for sub-interfaces. */
	ifindex_t link_ifindex;
	struct interface *link;
};

DECLARE_HOOK(zebra_if_extra_info, (struct vty *vty, struct interface *ifp),
				  (vty, ifp))
DECLARE_HOOK(zebra_if_config_wr, (struct vty *vty, struct interface *ifp),
				 (vty, ifp))

static inline void zebra_if_set_ziftype(struct interface *ifp,
					zebra_iftype_t zif_type,
					zebra_slave_iftype_t zif_slave_type)
{
	struct zebra_if *zif;

	zif = (struct zebra_if *)ifp->info;
	zif->zif_type = zif_type;
	zif->zif_slave_type = zif_slave_type;
}

#define IS_ZEBRA_IF_VRF(ifp)                                                   \
	(((struct zebra_if *)(ifp->info))->zif_type == ZEBRA_IF_VRF)

#define IS_ZEBRA_IF_BRIDGE(ifp)                                                \
	(((struct zebra_if *)(ifp->info))->zif_type == ZEBRA_IF_BRIDGE)

#define IS_ZEBRA_IF_VLAN(ifp)                                                  \
	(((struct zebra_if *)(ifp->info))->zif_type == ZEBRA_IF_VLAN)

#define IS_ZEBRA_IF_VXLAN(ifp)                                                 \
	(((struct zebra_if *)(ifp->info))->zif_type == ZEBRA_IF_VXLAN)

#define IS_ZEBRA_IF_MACVLAN(ifp)                                               \
	(((struct zebra_if *)(ifp->info))->zif_type == ZEBRA_IF_MACVLAN)

#define IS_ZEBRA_IF_BRIDGE_SLAVE(ifp)                                          \
	(((struct zebra_if *)(ifp->info))->zif_slave_type                      \
	 == ZEBRA_IF_SLAVE_BRIDGE)

#define IS_ZEBRA_IF_VRF_SLAVE(ifp)                                             \
	(((struct zebra_if *)(ifp->info))->zif_slave_type == ZEBRA_IF_SLAVE_VRF)

extern struct interface *if_lookup_by_index_per_ns(struct zebra_ns *,
						   u_int32_t);
extern struct interface *if_lookup_by_name_per_ns(struct zebra_ns *,
						  const char *);
extern struct interface *if_link_per_ns(struct zebra_ns *, struct interface *);
extern const char *ifindex2ifname_per_ns(struct zebra_ns *, unsigned int);

extern void if_unlink_per_ns(struct interface *);
extern void if_nbr_ipv6ll_to_ipv4ll_neigh_update(struct interface *ifp,
						 struct in6_addr *address,
						 int add);
extern void if_nbr_ipv6ll_to_ipv4ll_neigh_del_all(struct interface *ifp);
extern void if_delete_update(struct interface *ifp);
extern void if_add_update(struct interface *ifp);
extern void if_up(struct interface *);
extern void if_down(struct interface *);
extern void if_refresh(struct interface *);
extern void if_flags_update(struct interface *, uint64_t);
extern int if_subnet_add(struct interface *, struct connected *);
extern int if_subnet_delete(struct interface *, struct connected *);
extern int ipv6_address_configured(struct interface *ifp);
extern void if_handle_vrf_change(struct interface *ifp, vrf_id_t vrf_id);
extern void zebra_if_update_link(struct interface *ifp, ifindex_t link_ifindex);

extern void vrf_add_update(struct vrf *vrfp);

#ifdef HAVE_PROC_NET_DEV
extern void ifstat_update_proc(void);
#endif /* HAVE_PROC_NET_DEV */
#ifdef HAVE_NET_RT_IFLIST
extern void ifstat_update_sysctl(void);

#endif /* HAVE_NET_RT_IFLIST */
#ifdef HAVE_PROC_NET_DEV
extern int interface_list_proc(void);
#endif /* HAVE_PROC_NET_DEV */
#ifdef HAVE_PROC_NET_IF_INET6
extern int ifaddr_proc_ipv6(void);
#endif /* HAVE_PROC_NET_IF_INET6 */

#endif /* _ZEBRA_INTERFACE_H */
Commit	Line	Data
718e3744	1	/* Interface function header.
	2	* Copyright (C) 1999 Kunihiro Ishiguro
	3	*
	4	* This file is part of GNU Zebra.
	5	*
	6	* GNU Zebra is free software; you can redistribute it and/or modify it
	7	* under the terms of the GNU General Public License as published by the
	8	* Free Software Foundation; either version 2, or (at your option) any
	9	* later version.
	10	*
	11	* GNU Zebra is distributed in the hope that it will be useful, but
	12	* WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	14	* General Public License for more details.
	15	*
896014f4 DL	16	* You should have received a copy of the GNU General Public License along
	17	* with this program; see the file COPYING; if not, write to the Free Software
	18	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
718e3744	19	*/
718e3744	20
5b73a671	21	#ifndef _ZEBRA_INTERFACE_H
	22	#define _ZEBRA_INTERFACE_H
	23
	24	#include "redistribute.h"
12f6fb97	25	#include "vrf.h"
2eb27eec	26	#include "hook.h"
ca776988	27
6675513d	28	#include "zebra/zebra_l2.h"
6675513d	29
718e3744	30	/* For interface multicast configuration. */
	31	#define IF_ZEBRA_MULTICAST_UNSPEC 0
	32	#define IF_ZEBRA_MULTICAST_ON 1
	33	#define IF_ZEBRA_MULTICAST_OFF 2
	34
	35	/* For interface shutdown configuration. */
bfac8dcd	36	#define IF_ZEBRA_SHUTDOWN_OFF 0
718e3744	37	#define IF_ZEBRA_SHUTDOWN_ON 1
718e3744	38
d62a17ae	39	#if defined(HAVE_RTADV)
6eb0c5ab	40	/* Router advertisement parameter. From RFC4861, RFC6275 and RFC4191. */
d62a17ae	41	struct rtadvconf {
	42	/* A flag indicating whether or not the router sends periodic Router
	43	Advertisements and responds to Router Solicitations.
	44	Default: FALSE */
	45	int AdvSendAdvertisements;
	46
	47	/* The maximum time allowed between sending unsolicited multicast
	48	Router Advertisements from the interface, in milliseconds.
	49	MUST be no less than 70 ms [RFC6275 7.5] and no greater
	50	than 1800000 ms [RFC4861 6.2.1].
	51
	52	Default: 600000 milliseconds */
	53	int MaxRtrAdvInterval;
7cee1bb1	54	#define RTADV_MAX_RTR_ADV_INTERVAL 600000
718e3744	55
d62a17ae	56	/* The minimum time allowed between sending unsolicited multicast
	57	Router Advertisements from the interface, in milliseconds.
	58	MUST be no less than 30 ms [RFC6275 7.5].
	59	MUST be no greater than .75 * MaxRtrAdvInterval.
718e3744	60
d62a17ae	61	Default: 0.33 * MaxRtrAdvInterval */
	62	int MinRtrAdvInterval; /* This field is currently unused. */
	63	/* $FRR indent$ */
	64	/* clang-format off */
718e3744	65	#define RTADV_MIN_RTR_ADV_INTERVAL (0.33 * RTADV_MAX_RTR_ADV_INTERVAL)
718e3744	66
d62a17ae	67	/* Unsolicited Router Advertisements' interval timer. */
d62a17ae	68	int AdvIntervalTimer;
718e3744	69
d62a17ae	70	/* The TRUE/FALSE value to be placed in the "Managed address
	71	configuration" flag field in the Router Advertisement. See
	72	[ADDRCONF].
718e3744	73
d62a17ae	74	Default: FALSE */
d62a17ae	75	int AdvManagedFlag;
718e3744	76
718e3744	77
d62a17ae	78	/* The TRUE/FALSE value to be placed in the "Other stateful
	79	configuration" flag field in the Router Advertisement. See
	80	[ADDRCONF].
718e3744	81
d62a17ae	82	Default: FALSE */
d62a17ae	83	int AdvOtherConfigFlag;
718e3744	84
d62a17ae	85	/* The value to be placed in MTU options sent by the router. A
d62a17ae	86	value of zero indicates that no MTU options are sent.
718e3744	87
d62a17ae	88	Default: 0 */
d62a17ae	89	int AdvLinkMTU;
718e3744	90
718e3744	91
d62a17ae	92	/* The value to be placed in the Reachable Time field in the Router
	93	Advertisement messages sent by the router. The value zero means
	94	unspecified (by this router). MUST be no greater than 3,600,000
	95	milliseconds (1 hour).
718e3744	96
d62a17ae	97	Default: 0 */
	98	u_int32_t AdvReachableTime;
	99	#define RTADV_MAX_REACHABLE_TIME 3600000
718e3744	100
d62a17ae	101	/* The value to be placed in the Retrans Timer field in the Router
	102	Advertisement messages sent by the router. The value zero means
	103	unspecified (by this router).
718e3744	104
d62a17ae	105	Default: 0 */
d62a17ae	106	int AdvRetransTimer;
718e3744	107
d62a17ae	108	/* The default value to be placed in the Cur Hop Limit field in the
	109	Router Advertisement messages sent by the router. The value
	110	should be set to that current diameter of the Internet. The
	111	value zero means unspecified (by this router).
718e3744	112
d62a17ae	113	Default: The value specified in the "Assigned Numbers" RFC
	114	[ASSIGNED] that was in effect at the time of implementation. */
	115	int AdvCurHopLimit;
718e3744	116
d62a17ae	117	/* The value to be placed in the Router Lifetime field of Router
	118	Advertisements sent from the interface, in seconds. MUST be
	119	either zero or between MaxRtrAdvInterval and 9000 seconds. A
	120	value of zero indicates that the router is not to be used as a
	121	default router.
718e3744	122
d62a17ae	123	Default: 3 * MaxRtrAdvInterval */
d62a17ae	124	int AdvDefaultLifetime;
d660f698	125	#define RTADV_MAX_RTRLIFETIME 9000 /* 2.5 hours */
718e3744	126
d62a17ae	127	/* A list of prefixes to be placed in Prefix Information options in
d62a17ae	128	Router Advertisement messages sent from the interface.
718e3744	129
d62a17ae	130	Default: all prefixes that the router advertises via routing
	131	protocols as being on-link for the interface from which the
	132	advertisement is sent. The link-local prefix SHOULD NOT be
	133	included in the list of advertised prefixes. */
	134	struct list *AdvPrefixList;
7cee1bb1	135
d62a17ae	136	/* The TRUE/FALSE value to be placed in the "Home agent"
d62a17ae	137	flag field in the Router Advertisement. See [RFC6275 7.1].
7cee1bb1	138
d62a17ae	139	Default: FALSE */
d62a17ae	140	int AdvHomeAgentFlag;
7cee1bb1	141	#ifndef ND_RA_FLAG_HOME_AGENT
	142	#define ND_RA_FLAG_HOME_AGENT 0x20
	143	#endif
	144
d62a17ae	145	/* The value to be placed in Home Agent Information option if Home
	146	Flag is set.
	147	Default: 0 */
	148	int HomeAgentPreference;
	149
	150	/* The value to be placed in Home Agent Information option if Home
	151	Flag is set. Lifetime (seconds) MUST not be greater than 18.2
	152	hours.
	153	The value 0 has special meaning: use of AdvDefaultLifetime value.
	154
	155	Default: 0 */
	156	int HomeAgentLifetime;
7cee1bb1	157	#define RTADV_MAX_HALIFETIME 65520 /* 18.2 hours */
7cee1bb1	158
d62a17ae	159	/* The TRUE/FALSE value to insert or not an Advertisement Interval
d62a17ae	160	option. See [RFC 6275 7.3]
7cee1bb1	161
d62a17ae	162	Default: FALSE */
d62a17ae	163	int AdvIntervalOption;
b60668d0	164
d62a17ae	165	/* The value to be placed in the Default Router Preference field of
d62a17ae	166	a router advertisement. See [RFC 4191 2.1 & 2.2]
b60668d0	167
d62a17ae	168	Default: 0 (medium) */
d62a17ae	169	int DefaultPreference;
b60668d0	170	#define RTADV_PREF_MEDIUM 0x0 /* Per RFC4191. */
6c9678b4	171
9d303b37 DL	172	u_char inFastRexmit; /* True if we're rexmits faster than usual */
	173	u_char configured; /* Has operator configured RA? */
	174	int
	175	NumFastReXmitsRemain; /* Loaded first with number of fast
	176	rexmits to do */
6c9678b4 DD	177
	178	#define RTADV_FAST_REXMIT_PERIOD 1 /* 1 sec */
	179	#define RTADV_NUM_FAST_REXMITS 4 /* Fast Rexmit RA 4 times on certain events */
718e3744	180	};
718e3744	181
8da4e946	182	#endif /* HAVE_RTADV */
718e3744	183
6675513d	184	/* Zebra interface type - ones of interest. */
d62a17ae	185	typedef enum {
1a98c087 MK	186	ZEBRA_IF_VXLAN, /* VxLAN interface */
	187	ZEBRA_IF_VRF, /* VRF device */
	188	ZEBRA_IF_BRIDGE, /* bridge device */
	189	ZEBRA_IF_VLAN, /* VLAN sub-interface */
	190	ZEBRA_IF_MACVLAN, /* MAC VLAN interface*/
	191	ZEBRA_IF_OTHER, /* Anything else */
6675513d	192	} zebra_iftype_t;
	193
	194	/* Zebra "slave" interface type */
d62a17ae	195	typedef enum {
	196	ZEBRA_IF_SLAVE_NONE, /* Not a slave */
	197	ZEBRA_IF_SLAVE_VRF, /* Member of a VRF */
	198	ZEBRA_IF_SLAVE_BRIDGE, /* Member of a bridge */
	199	ZEBRA_IF_SLAVE_OTHER, /* Something else - e.g., bond slave */
6675513d	200	} zebra_slave_iftype_t;
6675513d	201
2eb27eec DL	202	struct irdp_interface;
2eb27eec DL	203
718e3744	204	/* `zebra' daemon local interface structure. */
d62a17ae	205	struct zebra_if {
	206	/* Shutdown configuration. */
	207	u_char shutdown;
718e3744	208
d62a17ae	209	/* Multicast configuration. */
d62a17ae	210	u_char multicast;
718e3744	211
d62a17ae	212	/* Router advertise configuration. */
d62a17ae	213	u_char rtadv_enable;
718e3744	214
d62a17ae	215	/* Installed addresses chains tree. */
d62a17ae	216	struct route_table *ipv4_subnets;
eef1fe11	217
d62a17ae	218	/* Information about up/down changes */
	219	unsigned int up_count;
	220	char up_last[QUAGGA_TIMESTAMP_LEN];
	221	unsigned int down_count;
	222	char down_last[QUAGGA_TIMESTAMP_LEN];
55ce4d3a	223
8da4e946	224	#if defined(HAVE_RTADV)
d62a17ae	225	struct rtadvconf rtadv;
d62a17ae	226	unsigned int ra_sent, ra_rcvd;
8da4e946	227	#endif /* HAVE_RTADV */
ca776988	228
2eb27eec	229	struct irdp_interface *irdp;
ca776988	230
8ccc7e80	231	#ifdef HAVE_STRUCT_SOCKADDR_DL
d62a17ae	232	union {
	233	/* note that sdl_storage is never accessed, it only exists to
	234	* make space.
	235	* all actual uses refer to sdl - but use sizeof(sdl_storage)!
	236	* this fits
	237	* best with C aliasing rules. */
	238	struct sockaddr_dl sdl;
	239	struct sockaddr_storage sdl_storage;
	240	};
8ccc7e80 TT	241	#endif
8ccc7e80 TT	242
5c78b3d0	243	#ifdef SUNOS_5
d62a17ae	244	/* the real IFF_UP state of the primary interface.
	245	* need this to differentiate between all interfaces being
	246	* down (but primary still plumbed) and primary having gone
	247	* ~IFF_UP, and all addresses gone.
	248	*/
	249	u_char primary_state;
5c78b3d0	250	#endif /* SUNOS_5 */
986aa00f	251
d62a17ae	252	/* ptm enable configuration */
d62a17ae	253	u_char ptm_enable;
6675513d	254
d62a17ae	255	/* Zebra interface and "slave" interface type */
	256	zebra_iftype_t zif_type;
	257	zebra_slave_iftype_t zif_slave_type;
6675513d	258
d62a17ae	259	/* Additional L2 info, depends on zif_type */
d62a17ae	260	union zebra_l2if_info l2info;
6675513d	261
d62a17ae	262	/* For members of a bridge, link to bridge. */
	263	/* Note: If additional fields become necessary, this can be modified to
	264	* be a pointer to a dynamically allocd struct.
	265	*/
	266	struct zebra_l2info_brslave brslave_info;
6675513d	267
d62a17ae	268	/* Link fields - for sub-interfaces. */
	269	ifindex_t link_ifindex;
	270	struct interface *link;
718e3744	271	};
718e3744	272
2eb27eec DL	273	DECLARE_HOOK(zebra_if_extra_info, (struct vty vty, struct interface ifp),
	274	(vty, ifp))
	275	DECLARE_HOOK(zebra_if_config_wr, (struct vty vty, struct interface ifp),
	276	(vty, ifp))
	277
d62a17ae	278	static inline void zebra_if_set_ziftype(struct interface *ifp,
	279	zebra_iftype_t zif_type,
	280	zebra_slave_iftype_t zif_slave_type)
6675513d	281	{
d62a17ae	282	struct zebra_if *zif;
6675513d	283
d62a17ae	284	zif = (struct zebra_if *)ifp->info;
	285	zif->zif_type = zif_type;
	286	zif->zif_slave_type = zif_slave_type;
6675513d	287	}
6675513d	288
d62a17ae	289	#define IS_ZEBRA_IF_VRF(ifp) \
	290	(((struct zebra_if *)(ifp->info))->zif_type == ZEBRA_IF_VRF)
	291
	292	#define IS_ZEBRA_IF_BRIDGE(ifp) \
	293	(((struct zebra_if *)(ifp->info))->zif_type == ZEBRA_IF_BRIDGE)
	294
	295	#define IS_ZEBRA_IF_VLAN(ifp) \
	296	(((struct zebra_if *)(ifp->info))->zif_type == ZEBRA_IF_VLAN)
	297
	298	#define IS_ZEBRA_IF_VXLAN(ifp) \
	299	(((struct zebra_if *)(ifp->info))->zif_type == ZEBRA_IF_VXLAN)
	300
1a98c087 MK	301	#define IS_ZEBRA_IF_MACVLAN(ifp) \
	302	(((struct zebra_if *)(ifp->info))->zif_type == ZEBRA_IF_MACVLAN)
	303
d62a17ae	304	#define IS_ZEBRA_IF_BRIDGE_SLAVE(ifp) \
	305	(((struct zebra_if *)(ifp->info))->zif_slave_type \
	306	== ZEBRA_IF_SLAVE_BRIDGE)
	307
	308	#define IS_ZEBRA_IF_VRF_SLAVE(ifp) \
	309	(((struct zebra_if *)(ifp->info))->zif_slave_type == ZEBRA_IF_SLAVE_VRF)
	310
	311	extern struct interface if_lookup_by_index_per_ns(struct zebra_ns ,
	312	u_int32_t);
	313	extern struct interface if_lookup_by_name_per_ns(struct zebra_ns ,
	314	const char *);
	315	extern struct interface if_link_per_ns(struct zebra_ns , struct interface *);
	316	extern const char ifindex2ifname_per_ns(struct zebra_ns , unsigned int);
	317
	318	extern void if_unlink_per_ns(struct interface *);
	319	extern void if_nbr_ipv6ll_to_ipv4ll_neigh_update(struct interface *ifp,
	320	struct in6_addr *address,
	321	int add);
	322	extern void if_nbr_ipv6ll_to_ipv4ll_neigh_del_all(struct interface *ifp);
	323	extern void if_delete_update(struct interface *ifp);
	324	extern void if_add_update(struct interface *ifp);
	325	extern void if_up(struct interface *);
	326	extern void if_down(struct interface *);
	327	extern void if_refresh(struct interface *);
	328	extern void if_flags_update(struct interface *, uint64_t);
	329	extern int if_subnet_add(struct interface , struct connected );
	330	extern int if_subnet_delete(struct interface , struct connected );
	331	extern int ipv6_address_configured(struct interface *ifp);
	332	extern void if_handle_vrf_change(struct interface *ifp, vrf_id_t vrf_id);
	333	extern void zebra_if_update_link(struct interface *ifp, ifindex_t link_ifindex);
	334
	335	extern void vrf_add_update(struct vrf *vrfp);
12f6fb97	336
718e3744	337	#ifdef HAVE_PROC_NET_DEV
d62a17ae	338	extern void ifstat_update_proc(void);
718e3744	339	#endif /* HAVE_PROC_NET_DEV */
718e3744	340	#ifdef HAVE_NET_RT_IFLIST
d62a17ae	341	extern void ifstat_update_sysctl(void);
718e3744	342
	343	#endif /* HAVE_NET_RT_IFLIST */
	344	#ifdef HAVE_PROC_NET_DEV
d62a17ae	345	extern int interface_list_proc(void);
718e3744	346	#endif /* HAVE_PROC_NET_DEV */
718e3744	347	#ifdef HAVE_PROC_NET_IF_INET6
d62a17ae	348	extern int ifaddr_proc_ipv6(void);
718e3744	349	#endif /* HAVE_PROC_NET_IF_INET6 */
718e3744	350
5b73a671	351	#endif /* _ZEBRA_INTERFACE_H */