[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. */
#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 */
	uint32_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. */

	uint8_t inFastRexmit; /* True if we're rexmits faster than usual */

	/* Track if RA was configured by BGP or by the Operator or both */
	uint8_t ra_configured;    /* Was RA configured? */
#define BGP_RA_CONFIGURED (1<<0)  /* BGP configured RA? */
#define VTY_RA_CONFIGURED (1<<1)  /* Operator configured RA? */
#define VTY_RA_INTERVAL_CONFIGURED (1<<2)  /* Operator configured RA interval */
	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_OTHER = 0, /* Anything else */
	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_VETH,      /* VETH interface*/
	ZEBRA_IF_BOND,	    /* Bond */
	ZEBRA_IF_BOND_SLAVE,	    /* Bond */
} 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_BOND,   /* Bond member */
	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. */
	uint8_t shutdown;

	/* Multicast configuration. */
	uint8_t multicast;

	/* Router advertise configuration. */
	uint8_t 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.
	 */
	uint8_t primary_state;
#endif /* SUNOS_5 */

	/* ptm enable configuration */
	uint8_t 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;

	struct zebra_l2info_bondslave bondslave_info;

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

	struct thread *speed_update;

	/*
	 * Does this interface have a v6 to v4 ll neighbor entry
	 * for bgp unnumbered?
	 */
	bool v6_2_v4_ll_neigh_entry;
	char neigh_mac[6];
	struct in6_addr v6_2_v4_ll_addr6;
};

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_VETH(ifp)                                               \
	(((struct zebra_if *)(ifp->info))->zif_type == ZEBRA_IF_VETH)

#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)

#define IS_ZEBRA_IF_BOND_SLAVE(ifp)					\
	(((struct zebra_if *)(ifp->info))->zif_slave_type                      \
	 == ZEBRA_IF_SLAVE_BOND)

extern void zebra_if_init(void);

extern struct interface *if_lookup_by_index_per_ns(struct zebra_ns *, uint32_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_mac_to_ipv4ll_neigh_update(struct interface *fip,
					      char mac[6],
					      struct in6_addr *address,
					      int add);
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,
				 ns_id_t ns_id);
extern void zebra_if_update_all_links(void);

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
b9368db9	1
718e3744	2	/* Interface function header.
	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	*
896014f4 DL	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
718e3744	20	*/
718e3744	21
5b73a671	22	#ifndef _ZEBRA_INTERFACE_H
	23	#define _ZEBRA_INTERFACE_H
	24
	25	#include "redistribute.h"
12f6fb97	26	#include "vrf.h"
2eb27eec	27	#include "hook.h"
ca776988	28
6675513d	29	#include "zebra/zebra_l2.h"
6675513d	30
718e3744	31	/* For interface multicast configuration. */
	32	#define IF_ZEBRA_MULTICAST_UNSPEC 0
	33	#define IF_ZEBRA_MULTICAST_ON 1
	34	#define IF_ZEBRA_MULTICAST_OFF 2
	35
	36	/* For interface shutdown configuration. */
bfac8dcd	37	#define IF_ZEBRA_SHUTDOWN_OFF 0
718e3744	38	#define IF_ZEBRA_SHUTDOWN_ON 1
718e3744	39
d62a17ae	40	#if defined(HAVE_RTADV)
6eb0c5ab	41	/* Router advertisement parameter. From RFC4861, RFC6275 and RFC4191. */
d62a17ae	42	struct rtadvconf {
	43	/* A flag indicating whether or not the router sends periodic Router
	44	Advertisements and responds to Router Solicitations.
	45	Default: FALSE */
	46	int AdvSendAdvertisements;
	47
	48	/* The maximum time allowed between sending unsolicited multicast
	49	Router Advertisements from the interface, in milliseconds.
	50	MUST be no less than 70 ms [RFC6275 7.5] and no greater
	51	than 1800000 ms [RFC4861 6.2.1].
	52
	53	Default: 600000 milliseconds */
	54	int MaxRtrAdvInterval;
7cee1bb1	55	#define RTADV_MAX_RTR_ADV_INTERVAL 600000
718e3744	56
d62a17ae	57	/* The minimum time allowed between sending unsolicited multicast
	58	Router Advertisements from the interface, in milliseconds.
	59	MUST be no less than 30 ms [RFC6275 7.5].
	60	MUST be no greater than .75 * MaxRtrAdvInterval.
718e3744	61
d62a17ae	62	Default: 0.33 * MaxRtrAdvInterval */
d62a17ae	63	int MinRtrAdvInterval; /* This field is currently unused. */
718e3744	64	#define RTADV_MIN_RTR_ADV_INTERVAL (0.33 * RTADV_MAX_RTR_ADV_INTERVAL)
718e3744	65
d62a17ae	66	/* Unsolicited Router Advertisements' interval timer. */
d62a17ae	67	int AdvIntervalTimer;
718e3744	68
d62a17ae	69	/* The TRUE/FALSE value to be placed in the "Managed address
	70	configuration" flag field in the Router Advertisement. See
	71	[ADDRCONF].
718e3744	72
d62a17ae	73	Default: FALSE */
d62a17ae	74	int AdvManagedFlag;
718e3744	75
718e3744	76
d62a17ae	77	/* The TRUE/FALSE value to be placed in the "Other stateful
	78	configuration" flag field in the Router Advertisement. See
	79	[ADDRCONF].
718e3744	80
d62a17ae	81	Default: FALSE */
d62a17ae	82	int AdvOtherConfigFlag;
718e3744	83
d62a17ae	84	/* The value to be placed in MTU options sent by the router. A
d62a17ae	85	value of zero indicates that no MTU options are sent.
718e3744	86
d62a17ae	87	Default: 0 */
d62a17ae	88	int AdvLinkMTU;
718e3744	89
718e3744	90
d62a17ae	91	/* The value to be placed in the Reachable Time field in the Router
	92	Advertisement messages sent by the router. The value zero means
	93	unspecified (by this router). MUST be no greater than 3,600,000
	94	milliseconds (1 hour).
718e3744	95
d62a17ae	96	Default: 0 */
d7c0a89a	97	uint32_t AdvReachableTime;
d62a17ae	98	#define RTADV_MAX_REACHABLE_TIME 3600000
718e3744	99
d62a17ae	100	/* The value to be placed in the Retrans Timer field in the Router
	101	Advertisement messages sent by the router. The value zero means
	102	unspecified (by this router).
718e3744	103
d62a17ae	104	Default: 0 */
d62a17ae	105	int AdvRetransTimer;
718e3744	106
d62a17ae	107	/* The default value to be placed in the Cur Hop Limit field in the
	108	Router Advertisement messages sent by the router. The value
	109	should be set to that current diameter of the Internet. The
	110	value zero means unspecified (by this router).
718e3744	111
d62a17ae	112	Default: The value specified in the "Assigned Numbers" RFC
	113	[ASSIGNED] that was in effect at the time of implementation. */
	114	int AdvCurHopLimit;
718e3744	115
d62a17ae	116	/* The value to be placed in the Router Lifetime field of Router
	117	Advertisements sent from the interface, in seconds. MUST be
	118	either zero or between MaxRtrAdvInterval and 9000 seconds. A
	119	value of zero indicates that the router is not to be used as a
	120	default router.
718e3744	121
d62a17ae	122	Default: 3 * MaxRtrAdvInterval */
d62a17ae	123	int AdvDefaultLifetime;
d660f698	124	#define RTADV_MAX_RTRLIFETIME 9000 /* 2.5 hours */
718e3744	125
d62a17ae	126	/* A list of prefixes to be placed in Prefix Information options in
d62a17ae	127	Router Advertisement messages sent from the interface.
718e3744	128
d62a17ae	129	Default: all prefixes that the router advertises via routing
	130	protocols as being on-link for the interface from which the
	131	advertisement is sent. The link-local prefix SHOULD NOT be
	132	included in the list of advertised prefixes. */
	133	struct list *AdvPrefixList;
7cee1bb1	134
d62a17ae	135	/* The TRUE/FALSE value to be placed in the "Home agent"
d62a17ae	136	flag field in the Router Advertisement. See [RFC6275 7.1].
7cee1bb1	137
d62a17ae	138	Default: FALSE */
d62a17ae	139	int AdvHomeAgentFlag;
7cee1bb1	140	#ifndef ND_RA_FLAG_HOME_AGENT
	141	#define ND_RA_FLAG_HOME_AGENT 0x20
	142	#endif
	143
d62a17ae	144	/* The value to be placed in Home Agent Information option if Home
	145	Flag is set.
	146	Default: 0 */
	147	int HomeAgentPreference;
	148
	149	/* The value to be placed in Home Agent Information option if Home
	150	Flag is set. Lifetime (seconds) MUST not be greater than 18.2
	151	hours.
	152	The value 0 has special meaning: use of AdvDefaultLifetime value.
	153
	154	Default: 0 */
	155	int HomeAgentLifetime;
7cee1bb1	156	#define RTADV_MAX_HALIFETIME 65520 /* 18.2 hours */
7cee1bb1	157
d62a17ae	158	/* The TRUE/FALSE value to insert or not an Advertisement Interval
d62a17ae	159	option. See [RFC 6275 7.3]
7cee1bb1	160
d62a17ae	161	Default: FALSE */
d62a17ae	162	int AdvIntervalOption;
b60668d0	163
d62a17ae	164	/* The value to be placed in the Default Router Preference field of
d62a17ae	165	a router advertisement. See [RFC 4191 2.1 & 2.2]
b60668d0	166
d62a17ae	167	Default: 0 (medium) */
d62a17ae	168	int DefaultPreference;
b60668d0	169	#define RTADV_PREF_MEDIUM 0x0 /* Per RFC4191. */
6c9678b4	170
d7c0a89a	171	uint8_t inFastRexmit; /* True if we're rexmits faster than usual */
3ea48364 DS	172
3ea48364 DS	173	/* Track if RA was configured by BGP or by the Operator or both */
d7c0a89a	174	uint8_t ra_configured; /* Was RA configured? */
3ea48364 DS	175	#define BGP_RA_CONFIGURED (1<<0) /* BGP configured RA? */
	176	#define VTY_RA_CONFIGURED (1<<1) /* Operator configured RA? */
	177	#define VTY_RA_INTERVAL_CONFIGURED (1<<2) /* Operator configured RA interval */
996c9314 LB	178	int NumFastReXmitsRemain; /* Loaded first with number of fast
996c9314 LB	179	rexmits to do */
6c9678b4 DD	180
	181	#define RTADV_FAST_REXMIT_PERIOD 1 /* 1 sec */
	182	#define RTADV_NUM_FAST_REXMITS 4 /* Fast Rexmit RA 4 times on certain events */
718e3744	183	};
718e3744	184
8da4e946	185	#endif /* HAVE_RTADV */
718e3744	186
6675513d	187	/* Zebra interface type - ones of interest. */
d62a17ae	188	typedef enum {
7a38782a DL	189	ZEBRA_IF_OTHER = 0, /* Anything else */
	190	ZEBRA_IF_VXLAN, /* VxLAN interface */
	191	ZEBRA_IF_VRF, /* VRF device */
	192	ZEBRA_IF_BRIDGE, /* bridge device */
	193	ZEBRA_IF_VLAN, /* VLAN sub-interface */
	194	ZEBRA_IF_MACVLAN, /* MAC VLAN interface*/
0e4864ea	195	ZEBRA_IF_VETH, /* VETH interface*/
b9368db9 DD	196	ZEBRA_IF_BOND, /* Bond */
b9368db9 DD	197	ZEBRA_IF_BOND_SLAVE, /* Bond */
6675513d	198	} zebra_iftype_t;
	199
	200	/* Zebra "slave" interface type */
d62a17ae	201	typedef enum {
	202	ZEBRA_IF_SLAVE_NONE, /* Not a slave */
	203	ZEBRA_IF_SLAVE_VRF, /* Member of a VRF */
	204	ZEBRA_IF_SLAVE_BRIDGE, /* Member of a bridge */
b9368db9	205	ZEBRA_IF_SLAVE_BOND, /* Bond member */
d62a17ae	206	ZEBRA_IF_SLAVE_OTHER, /* Something else - e.g., bond slave */
6675513d	207	} zebra_slave_iftype_t;
6675513d	208
2eb27eec DL	209	struct irdp_interface;
2eb27eec DL	210
718e3744	211	/* `zebra' daemon local interface structure. */
d62a17ae	212	struct zebra_if {
d62a17ae	213	/* Shutdown configuration. */
d7c0a89a	214	uint8_t shutdown;
718e3744	215
d62a17ae	216	/* Multicast configuration. */
d7c0a89a	217	uint8_t multicast;
718e3744	218
d62a17ae	219	/* Router advertise configuration. */
d7c0a89a	220	uint8_t rtadv_enable;
718e3744	221
d62a17ae	222	/* Installed addresses chains tree. */
d62a17ae	223	struct route_table *ipv4_subnets;
eef1fe11	224
d62a17ae	225	/* Information about up/down changes */
	226	unsigned int up_count;
	227	char up_last[QUAGGA_TIMESTAMP_LEN];
	228	unsigned int down_count;
	229	char down_last[QUAGGA_TIMESTAMP_LEN];
55ce4d3a	230
8da4e946	231	#if defined(HAVE_RTADV)
d62a17ae	232	struct rtadvconf rtadv;
d62a17ae	233	unsigned int ra_sent, ra_rcvd;
8da4e946	234	#endif /* HAVE_RTADV */
ca776988	235
2eb27eec	236	struct irdp_interface *irdp;
ca776988	237
8ccc7e80	238	#ifdef HAVE_STRUCT_SOCKADDR_DL
d62a17ae	239	union {
	240	/* note that sdl_storage is never accessed, it only exists to
	241	* make space.
	242	* all actual uses refer to sdl - but use sizeof(sdl_storage)!
	243	* this fits
	244	* best with C aliasing rules. */
	245	struct sockaddr_dl sdl;
	246	struct sockaddr_storage sdl_storage;
	247	};
8ccc7e80 TT	248	#endif
8ccc7e80 TT	249
5c78b3d0	250	#ifdef SUNOS_5
d62a17ae	251	/* the real IFF_UP state of the primary interface.
	252	* need this to differentiate between all interfaces being
	253	* down (but primary still plumbed) and primary having gone
	254	* ~IFF_UP, and all addresses gone.
	255	*/
d7c0a89a	256	uint8_t primary_state;
5c78b3d0	257	#endif /* SUNOS_5 */
986aa00f	258
d62a17ae	259	/* ptm enable configuration */
d7c0a89a	260	uint8_t ptm_enable;
6675513d	261
d62a17ae	262	/* Zebra interface and "slave" interface type */
	263	zebra_iftype_t zif_type;
	264	zebra_slave_iftype_t zif_slave_type;
6675513d	265
d62a17ae	266	/* Additional L2 info, depends on zif_type */
d62a17ae	267	union zebra_l2if_info l2info;
6675513d	268
d62a17ae	269	/* For members of a bridge, link to bridge. */
	270	/* Note: If additional fields become necessary, this can be modified to
	271	* be a pointer to a dynamically allocd struct.
	272	*/
	273	struct zebra_l2info_brslave brslave_info;
6675513d	274
b9368db9 DD	275	struct zebra_l2info_bondslave bondslave_info;
b9368db9 DD	276
d62a17ae	277	/* Link fields - for sub-interfaces. */
	278	ifindex_t link_ifindex;
	279	struct interface *link;
dc7b3cae DS	280
dc7b3cae DS	281	struct thread *speed_update;
20089ae2 DS	282
	283	/*
	284	* Does this interface have a v6 to v4 ll neighbor entry
	285	* for bgp unnumbered?
	286	*/
	287	bool v6_2_v4_ll_neigh_entry;
ee98d1f1	288	char neigh_mac[6];
20089ae2	289	struct in6_addr v6_2_v4_ll_addr6;
718e3744	290	};
718e3744	291
996c9314 LB	292	DECLARE_HOOK(zebra_if_extra_info, (struct vty * vty, struct interface *ifp),
	293	(vty, ifp))
	294	DECLARE_HOOK(zebra_if_config_wr, (struct vty * vty, struct interface *ifp),
	295	(vty, ifp))
2eb27eec	296
d62a17ae	297	static inline void zebra_if_set_ziftype(struct interface *ifp,
	298	zebra_iftype_t zif_type,
	299	zebra_slave_iftype_t zif_slave_type)
6675513d	300	{
d62a17ae	301	struct zebra_if *zif;
6675513d	302
d62a17ae	303	zif = (struct zebra_if *)ifp->info;
	304	zif->zif_type = zif_type;
	305	zif->zif_slave_type = zif_slave_type;
6675513d	306	}
6675513d	307
d62a17ae	308	#define IS_ZEBRA_IF_VRF(ifp) \
	309	(((struct zebra_if *)(ifp->info))->zif_type == ZEBRA_IF_VRF)
	310
	311	#define IS_ZEBRA_IF_BRIDGE(ifp) \
	312	(((struct zebra_if *)(ifp->info))->zif_type == ZEBRA_IF_BRIDGE)
	313
	314	#define IS_ZEBRA_IF_VLAN(ifp) \
	315	(((struct zebra_if *)(ifp->info))->zif_type == ZEBRA_IF_VLAN)
	316
	317	#define IS_ZEBRA_IF_VXLAN(ifp) \
	318	(((struct zebra_if *)(ifp->info))->zif_type == ZEBRA_IF_VXLAN)
	319
1a98c087 MK	320	#define IS_ZEBRA_IF_MACVLAN(ifp) \
	321	(((struct zebra_if *)(ifp->info))->zif_type == ZEBRA_IF_MACVLAN)
	322
0e4864ea PG	323	#define IS_ZEBRA_IF_VETH(ifp) \
	324	(((struct zebra_if *)(ifp->info))->zif_type == ZEBRA_IF_VETH)
	325
	326	#define IS_ZEBRA_IF_BRIDGE_SLAVE(ifp) \
d62a17ae	327	(((struct zebra_if *)(ifp->info))->zif_slave_type \
	328	== ZEBRA_IF_SLAVE_BRIDGE)
	329
	330	#define IS_ZEBRA_IF_VRF_SLAVE(ifp) \
	331	(((struct zebra_if *)(ifp->info))->zif_slave_type == ZEBRA_IF_SLAVE_VRF)
	332
b9368db9 DD	333	#define IS_ZEBRA_IF_BOND_SLAVE(ifp) \
	334	(((struct zebra_if *)(ifp->info))->zif_slave_type \
	335	== ZEBRA_IF_SLAVE_BOND)
	336
05f7f5db DS	337	extern void zebra_if_init(void);
05f7f5db DS	338
d7c0a89a	339	extern struct interface if_lookup_by_index_per_ns(struct zebra_ns , uint32_t);
d62a17ae	340	extern struct interface if_lookup_by_name_per_ns(struct zebra_ns ,
	341	const char *);
	342	extern struct interface if_link_per_ns(struct zebra_ns , struct interface *);
	343	extern const char ifindex2ifname_per_ns(struct zebra_ns , unsigned int);
	344
	345	extern void if_unlink_per_ns(struct interface *);
ee98d1f1 DS	346	extern void if_nbr_mac_to_ipv4ll_neigh_update(struct interface *fip,
	347	char mac[6],
	348	struct in6_addr *address,
	349	int add);
d62a17ae	350	extern void if_nbr_ipv6ll_to_ipv4ll_neigh_update(struct interface *ifp,
	351	struct in6_addr *address,
	352	int add);
	353	extern void if_nbr_ipv6ll_to_ipv4ll_neigh_del_all(struct interface *ifp);
	354	extern void if_delete_update(struct interface *ifp);
	355	extern void if_add_update(struct interface *ifp);
	356	extern void if_up(struct interface *);
	357	extern void if_down(struct interface *);
	358	extern void if_refresh(struct interface *);
	359	extern void if_flags_update(struct interface *, uint64_t);
	360	extern int if_subnet_add(struct interface , struct connected );
	361	extern int if_subnet_delete(struct interface , struct connected );
	362	extern int ipv6_address_configured(struct interface *ifp);
	363	extern void if_handle_vrf_change(struct interface *ifp, vrf_id_t vrf_id);
680c278f PG	364	extern void zebra_if_update_link(struct interface *ifp, ifindex_t link_ifindex,
680c278f PG	365	ns_id_t ns_id);
520ebf72	366	extern void zebra_if_update_all_links(void);
d62a17ae	367
d62a17ae	368	extern void vrf_add_update(struct vrf *vrfp);
12f6fb97	369
718e3744	370	#ifdef HAVE_PROC_NET_DEV
d62a17ae	371	extern void ifstat_update_proc(void);
718e3744	372	#endif /* HAVE_PROC_NET_DEV */
718e3744	373	#ifdef HAVE_NET_RT_IFLIST
d62a17ae	374	extern void ifstat_update_sysctl(void);
718e3744	375
	376	#endif /* HAVE_NET_RT_IFLIST */
	377	#ifdef HAVE_PROC_NET_DEV
d62a17ae	378	extern int interface_list_proc(void);
718e3744	379	#endif /* HAVE_PROC_NET_DEV */
718e3744	380	#ifdef HAVE_PROC_NET_IF_INET6
d62a17ae	381	extern int ifaddr_proc_ipv6(void);
718e3744	382	#endif /* HAVE_PROC_NET_IF_INET6 */
718e3744	383
5b73a671	384	#endif /* _ZEBRA_INTERFACE_H */