[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_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. */
	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;

	/* 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;
	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_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 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_lookup_by_name_not_ns(ns_id_t ns_id,
						  const char *ifname);
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 */
d62a17ae	62	int MinRtrAdvInterval; /* This field is currently unused. */
718e3744	63	#define RTADV_MIN_RTR_ADV_INTERVAL (0.33 * RTADV_MAX_RTR_ADV_INTERVAL)
718e3744	64
d62a17ae	65	/* Unsolicited Router Advertisements' interval timer. */
d62a17ae	66	int AdvIntervalTimer;
718e3744	67
d62a17ae	68	/* The TRUE/FALSE value to be placed in the "Managed address
	69	configuration" flag field in the Router Advertisement. See
	70	[ADDRCONF].
718e3744	71
d62a17ae	72	Default: FALSE */
d62a17ae	73	int AdvManagedFlag;
718e3744	74
718e3744	75
d62a17ae	76	/* The TRUE/FALSE value to be placed in the "Other stateful
	77	configuration" flag field in the Router Advertisement. See
	78	[ADDRCONF].
718e3744	79
d62a17ae	80	Default: FALSE */
d62a17ae	81	int AdvOtherConfigFlag;
718e3744	82
d62a17ae	83	/* The value to be placed in MTU options sent by the router. A
d62a17ae	84	value of zero indicates that no MTU options are sent.
718e3744	85
d62a17ae	86	Default: 0 */
d62a17ae	87	int AdvLinkMTU;
718e3744	88
718e3744	89
d62a17ae	90	/* The value to be placed in the Reachable Time field in the Router
	91	Advertisement messages sent by the router. The value zero means
	92	unspecified (by this router). MUST be no greater than 3,600,000
	93	milliseconds (1 hour).
718e3744	94
d62a17ae	95	Default: 0 */
d7c0a89a	96	uint32_t AdvReachableTime;
d62a17ae	97	#define RTADV_MAX_REACHABLE_TIME 3600000
718e3744	98
d62a17ae	99	/* The value to be placed in the Retrans Timer field in the Router
	100	Advertisement messages sent by the router. The value zero means
	101	unspecified (by this router).
718e3744	102
d62a17ae	103	Default: 0 */
d62a17ae	104	int AdvRetransTimer;
718e3744	105
d62a17ae	106	/* The default value to be placed in the Cur Hop Limit field in the
	107	Router Advertisement messages sent by the router. The value
	108	should be set to that current diameter of the Internet. The
	109	value zero means unspecified (by this router).
718e3744	110
d62a17ae	111	Default: The value specified in the "Assigned Numbers" RFC
	112	[ASSIGNED] that was in effect at the time of implementation. */
	113	int AdvCurHopLimit;
718e3744	114
d62a17ae	115	/* The value to be placed in the Router Lifetime field of Router
	116	Advertisements sent from the interface, in seconds. MUST be
	117	either zero or between MaxRtrAdvInterval and 9000 seconds. A
	118	value of zero indicates that the router is not to be used as a
	119	default router.
718e3744	120
d62a17ae	121	Default: 3 * MaxRtrAdvInterval */
d62a17ae	122	int AdvDefaultLifetime;
d660f698	123	#define RTADV_MAX_RTRLIFETIME 9000 /* 2.5 hours */
718e3744	124
d62a17ae	125	/* A list of prefixes to be placed in Prefix Information options in
d62a17ae	126	Router Advertisement messages sent from the interface.
718e3744	127
d62a17ae	128	Default: all prefixes that the router advertises via routing
	129	protocols as being on-link for the interface from which the
	130	advertisement is sent. The link-local prefix SHOULD NOT be
	131	included in the list of advertised prefixes. */
	132	struct list *AdvPrefixList;
7cee1bb1	133
d62a17ae	134	/* The TRUE/FALSE value to be placed in the "Home agent"
d62a17ae	135	flag field in the Router Advertisement. See [RFC6275 7.1].
7cee1bb1	136
d62a17ae	137	Default: FALSE */
d62a17ae	138	int AdvHomeAgentFlag;
7cee1bb1	139	#ifndef ND_RA_FLAG_HOME_AGENT
	140	#define ND_RA_FLAG_HOME_AGENT 0x20
	141	#endif
	142
d62a17ae	143	/* The value to be placed in Home Agent Information option if Home
	144	Flag is set.
	145	Default: 0 */
	146	int HomeAgentPreference;
	147
	148	/* The value to be placed in Home Agent Information option if Home
	149	Flag is set. Lifetime (seconds) MUST not be greater than 18.2
	150	hours.
	151	The value 0 has special meaning: use of AdvDefaultLifetime value.
	152
	153	Default: 0 */
	154	int HomeAgentLifetime;
7cee1bb1	155	#define RTADV_MAX_HALIFETIME 65520 /* 18.2 hours */
7cee1bb1	156
d62a17ae	157	/* The TRUE/FALSE value to insert or not an Advertisement Interval
d62a17ae	158	option. See [RFC 6275 7.3]
7cee1bb1	159
d62a17ae	160	Default: FALSE */
d62a17ae	161	int AdvIntervalOption;
b60668d0	162
d62a17ae	163	/* The value to be placed in the Default Router Preference field of
d62a17ae	164	a router advertisement. See [RFC 4191 2.1 & 2.2]
b60668d0	165
d62a17ae	166	Default: 0 (medium) */
d62a17ae	167	int DefaultPreference;
b60668d0	168	#define RTADV_PREF_MEDIUM 0x0 /* Per RFC4191. */
6c9678b4	169
d7c0a89a	170	uint8_t inFastRexmit; /* True if we're rexmits faster than usual */
3ea48364 DS	171
3ea48364 DS	172	/* Track if RA was configured by BGP or by the Operator or both */
d7c0a89a	173	uint8_t ra_configured; /* Was RA configured? */
3ea48364 DS	174	#define BGP_RA_CONFIGURED (1<<0) /* BGP configured RA? */
	175	#define VTY_RA_CONFIGURED (1<<1) /* Operator configured RA? */
	176	#define VTY_RA_INTERVAL_CONFIGURED (1<<2) /* Operator configured RA interval */
996c9314 LB	177	int NumFastReXmitsRemain; /* Loaded first with number of fast
996c9314 LB	178	rexmits to do */
6c9678b4 DD	179
	180	#define RTADV_FAST_REXMIT_PERIOD 1 /* 1 sec */
	181	#define RTADV_NUM_FAST_REXMITS 4 /* Fast Rexmit RA 4 times on certain events */
718e3744	182	};
718e3744	183
8da4e946	184	#endif /* HAVE_RTADV */
718e3744	185
6675513d	186	/* Zebra interface type - ones of interest. */
d62a17ae	187	typedef enum {
7a38782a DL	188	ZEBRA_IF_OTHER = 0, /* Anything else */
	189	ZEBRA_IF_VXLAN, /* VxLAN interface */
	190	ZEBRA_IF_VRF, /* VRF device */
	191	ZEBRA_IF_BRIDGE, /* bridge device */
	192	ZEBRA_IF_VLAN, /* VLAN sub-interface */
	193	ZEBRA_IF_MACVLAN, /* MAC VLAN interface*/
6675513d	194	} zebra_iftype_t;
	195
	196	/* Zebra "slave" interface type */
d62a17ae	197	typedef enum {
	198	ZEBRA_IF_SLAVE_NONE, /* Not a slave */
	199	ZEBRA_IF_SLAVE_VRF, /* Member of a VRF */
	200	ZEBRA_IF_SLAVE_BRIDGE, /* Member of a bridge */
	201	ZEBRA_IF_SLAVE_OTHER, /* Something else - e.g., bond slave */
6675513d	202	} zebra_slave_iftype_t;
6675513d	203
2eb27eec DL	204	struct irdp_interface;
2eb27eec DL	205
718e3744	206	/* `zebra' daemon local interface structure. */
d62a17ae	207	struct zebra_if {
d62a17ae	208	/* Shutdown configuration. */
d7c0a89a	209	uint8_t shutdown;
718e3744	210
d62a17ae	211	/* Multicast configuration. */
d7c0a89a	212	uint8_t multicast;
718e3744	213
d62a17ae	214	/* Router advertise configuration. */
d7c0a89a	215	uint8_t rtadv_enable;
718e3744	216
d62a17ae	217	/* Installed addresses chains tree. */
d62a17ae	218	struct route_table *ipv4_subnets;
eef1fe11	219
d62a17ae	220	/* Information about up/down changes */
	221	unsigned int up_count;
	222	char up_last[QUAGGA_TIMESTAMP_LEN];
	223	unsigned int down_count;
	224	char down_last[QUAGGA_TIMESTAMP_LEN];
55ce4d3a	225
8da4e946	226	#if defined(HAVE_RTADV)
d62a17ae	227	struct rtadvconf rtadv;
d62a17ae	228	unsigned int ra_sent, ra_rcvd;
8da4e946	229	#endif /* HAVE_RTADV */
ca776988	230
2eb27eec	231	struct irdp_interface *irdp;
ca776988	232
8ccc7e80	233	#ifdef HAVE_STRUCT_SOCKADDR_DL
d62a17ae	234	union {
	235	/* note that sdl_storage is never accessed, it only exists to
	236	* make space.
	237	* all actual uses refer to sdl - but use sizeof(sdl_storage)!
	238	* this fits
	239	* best with C aliasing rules. */
	240	struct sockaddr_dl sdl;
	241	struct sockaddr_storage sdl_storage;
	242	};
8ccc7e80 TT	243	#endif
8ccc7e80 TT	244
5c78b3d0	245	#ifdef SUNOS_5
d62a17ae	246	/* the real IFF_UP state of the primary interface.
	247	* need this to differentiate between all interfaces being
	248	* down (but primary still plumbed) and primary having gone
	249	* ~IFF_UP, and all addresses gone.
	250	*/
d7c0a89a	251	uint8_t primary_state;
5c78b3d0	252	#endif /* SUNOS_5 */
986aa00f	253
d62a17ae	254	/* ptm enable configuration */
d7c0a89a	255	uint8_t ptm_enable;
6675513d	256
d62a17ae	257	/* Zebra interface and "slave" interface type */
	258	zebra_iftype_t zif_type;
	259	zebra_slave_iftype_t zif_slave_type;
6675513d	260
d62a17ae	261	/* Additional L2 info, depends on zif_type */
d62a17ae	262	union zebra_l2if_info l2info;
6675513d	263
d62a17ae	264	/* For members of a bridge, link to bridge. */
	265	/* Note: If additional fields become necessary, this can be modified to
	266	* be a pointer to a dynamically allocd struct.
	267	*/
	268	struct zebra_l2info_brslave brslave_info;
6675513d	269
d62a17ae	270	/* Link fields - for sub-interfaces. */
	271	ifindex_t link_ifindex;
	272	struct interface *link;
dc7b3cae DS	273
dc7b3cae DS	274	struct thread *speed_update;
20089ae2 DS	275
	276	/*
	277	* Does this interface have a v6 to v4 ll neighbor entry
	278	* for bgp unnumbered?
	279	*/
	280	bool v6_2_v4_ll_neigh_entry;
	281	struct in6_addr v6_2_v4_ll_addr6;
718e3744	282	};
718e3744	283
996c9314 LB	284	DECLARE_HOOK(zebra_if_extra_info, (struct vty * vty, struct interface *ifp),
	285	(vty, ifp))
	286	DECLARE_HOOK(zebra_if_config_wr, (struct vty * vty, struct interface *ifp),
	287	(vty, ifp))
2eb27eec	288
d62a17ae	289	static inline void zebra_if_set_ziftype(struct interface *ifp,
	290	zebra_iftype_t zif_type,
	291	zebra_slave_iftype_t zif_slave_type)
6675513d	292	{
d62a17ae	293	struct zebra_if *zif;
6675513d	294
d62a17ae	295	zif = (struct zebra_if *)ifp->info;
	296	zif->zif_type = zif_type;
	297	zif->zif_slave_type = zif_slave_type;
6675513d	298	}
6675513d	299
d62a17ae	300	#define IS_ZEBRA_IF_VRF(ifp) \
	301	(((struct zebra_if *)(ifp->info))->zif_type == ZEBRA_IF_VRF)
	302
	303	#define IS_ZEBRA_IF_BRIDGE(ifp) \
	304	(((struct zebra_if *)(ifp->info))->zif_type == ZEBRA_IF_BRIDGE)
	305
	306	#define IS_ZEBRA_IF_VLAN(ifp) \
	307	(((struct zebra_if *)(ifp->info))->zif_type == ZEBRA_IF_VLAN)
	308
	309	#define IS_ZEBRA_IF_VXLAN(ifp) \
	310	(((struct zebra_if *)(ifp->info))->zif_type == ZEBRA_IF_VXLAN)
	311
1a98c087 MK	312	#define IS_ZEBRA_IF_MACVLAN(ifp) \
	313	(((struct zebra_if *)(ifp->info))->zif_type == ZEBRA_IF_MACVLAN)
	314
d62a17ae	315	#define IS_ZEBRA_IF_BRIDGE_SLAVE(ifp) \
	316	(((struct zebra_if *)(ifp->info))->zif_slave_type \
	317	== ZEBRA_IF_SLAVE_BRIDGE)
	318
	319	#define IS_ZEBRA_IF_VRF_SLAVE(ifp) \
	320	(((struct zebra_if *)(ifp->info))->zif_slave_type == ZEBRA_IF_SLAVE_VRF)
	321
05f7f5db DS	322	extern void zebra_if_init(void);
05f7f5db DS	323
d7c0a89a	324	extern struct interface if_lookup_by_index_per_ns(struct zebra_ns , uint32_t);
d62a17ae	325	extern struct interface if_lookup_by_name_per_ns(struct zebra_ns ,
d62a17ae	326	const char *);
b53686c5 PG	327	extern struct interface *if_lookup_by_name_not_ns(ns_id_t ns_id,
b53686c5 PG	328	const char *ifname);
d62a17ae	329	extern struct interface if_link_per_ns(struct zebra_ns , struct interface *);
	330	extern const char ifindex2ifname_per_ns(struct zebra_ns , unsigned int);
	331
	332	extern void if_unlink_per_ns(struct interface *);
	333	extern void if_nbr_ipv6ll_to_ipv4ll_neigh_update(struct interface *ifp,
	334	struct in6_addr *address,
	335	int add);
	336	extern void if_nbr_ipv6ll_to_ipv4ll_neigh_del_all(struct interface *ifp);
	337	extern void if_delete_update(struct interface *ifp);
	338	extern void if_add_update(struct interface *ifp);
	339	extern void if_up(struct interface *);
	340	extern void if_down(struct interface *);
	341	extern void if_refresh(struct interface *);
	342	extern void if_flags_update(struct interface *, uint64_t);
	343	extern int if_subnet_add(struct interface , struct connected );
	344	extern int if_subnet_delete(struct interface , struct connected );
	345	extern int ipv6_address_configured(struct interface *ifp);
	346	extern void if_handle_vrf_change(struct interface *ifp, vrf_id_t vrf_id);
	347	extern void zebra_if_update_link(struct interface *ifp, ifindex_t link_ifindex);
	348
	349	extern void vrf_add_update(struct vrf *vrfp);
12f6fb97	350
718e3744	351	#ifdef HAVE_PROC_NET_DEV
d62a17ae	352	extern void ifstat_update_proc(void);
718e3744	353	#endif /* HAVE_PROC_NET_DEV */
718e3744	354	#ifdef HAVE_NET_RT_IFLIST
d62a17ae	355	extern void ifstat_update_sysctl(void);
718e3744	356
	357	#endif /* HAVE_NET_RT_IFLIST */
	358	#ifdef HAVE_PROC_NET_DEV
d62a17ae	359	extern int interface_list_proc(void);
718e3744	360	#endif /* HAVE_PROC_NET_DEV */
718e3744	361	#ifdef HAVE_PROC_NET_IF_INET6
d62a17ae	362	extern int ifaddr_proc_ipv6(void);
718e3744	363	#endif /* HAVE_PROC_NET_IF_INET6 */
718e3744	364
5b73a671	365	#endif /* _ZEBRA_INTERFACE_H */