[mirror_frr.git] / zebra / zebra_vxlan_private.h

/*
 * Zebra VxLAN (EVPN) Data structures and definitions
 * These are "internal" to this function.
 * Copyright (C) 2016, 2017 Cumulus Networks, Inc.
 *
 * This file is part of FRR.
 *
 * FRR 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.
 *
 * FRR 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 FRR; see the file COPYING.  If not, write to the Free
 * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
 * 02111-1307, USA.
 */

#ifndef _ZEBRA_VXLAN_PRIVATE_H
#define _ZEBRA_VXLAN_PRIVATE_H

#include <zebra.h>

#include <zebra.h>

#include "if.h"
#include "linklist.h"
#include "zebra_vxlan.h"

#define ERR_STR_SZ 256

/* definitions */
typedef struct zebra_vni_t_ zebra_vni_t;
typedef struct zebra_vtep_t_ zebra_vtep_t;
typedef struct zebra_mac_t_ zebra_mac_t;
typedef struct zebra_neigh_t_ zebra_neigh_t;
typedef struct zebra_l3vni_t_ zebra_l3vni_t;

/*
 * VTEP info
 *
 * Right now, this just has each remote VTEP's IP address.
 */
struct zebra_vtep_t_ {
	/* Remote IP. */
	/* NOTE: Can only be IPv4 right now. */
	struct in_addr vtep_ip;

	/* Links. */
	struct zebra_vtep_t_ *next;
	struct zebra_vtep_t_ *prev;
};


/*
 * VNI hash table
 *
 * Contains information pertaining to a VNI:
 * - the list of remote VTEPs (with this VNI)
 */
struct zebra_vni_t_ {
	/* VNI - key */
	vni_t vni;

	/* Flag for advertising gw macip */
	uint8_t advertise_gw_macip;

	/* Flag for advertising gw macip */
	uint8_t advertise_subnet;

	/* Corresponding VxLAN interface. */
	struct interface *vxlan_if;

	/* List of remote VTEPs */
	zebra_vtep_t *vteps;

	/* Local IP */
	struct in_addr local_vtep_ip;

	/* tenant VRF, if any */
	vrf_id_t vrf_id;

	/* List of local or remote MAC */
	struct hash *mac_table;

	/* List of local or remote neighbors (MAC+IP) */
	struct hash *neigh_table;
};

/* L3 VNI hash table */
struct zebra_l3vni_t_ {

	/* VNI key */
	vni_t vni;

	/* vrf_id */
	vrf_id_t vrf_id;

	uint32_t filter;
#define PREFIX_ROUTES_ONLY	(1 << 0) /* l3-vni used for prefix routes only */

	/* Local IP */
	struct in_addr local_vtep_ip;

	/* kernel interface for l3vni */
	struct interface *vxlan_if;

	/* SVI interface corresponding to the l3vni */
	struct interface *svi_if;

	/* list of L2 VNIs associated with the L3 VNI */
	struct list *l2vnis;

	/* list of remote router-macs */
	struct hash *rmac_table;

	/* list of remote vtep-ip neigh */
	struct hash *nh_table;
};

/* get the vx-intf name for l3vni */
static inline const char *zl3vni_vxlan_if_name(zebra_l3vni_t *zl3vni)
{
	return zl3vni->vxlan_if ? zl3vni->vxlan_if->name : "None";
}

/* get the svi intf name for l3vni */
static inline const char *zl3vni_svi_if_name(zebra_l3vni_t *zl3vni)
{
	return zl3vni->svi_if ? zl3vni->svi_if->name : "None";
}

/* get the vrf name for l3vni */
static inline const char *zl3vni_vrf_name(zebra_l3vni_t *zl3vni)
{
	return vrf_id_to_name(zl3vni->vrf_id);
}

/* get the rmac string */
static inline const char *zl3vni_rmac2str(zebra_l3vni_t *zl3vni, char *buf,
					  int size)
{
	char *ptr;

	if (!buf)
		ptr = (char *)XMALLOC(MTYPE_TMP,
				      ETHER_ADDR_STRLEN * sizeof(char));
	else {
		assert(size >= ETHER_ADDR_STRLEN);
		ptr = buf;
	}

	if (zl3vni->svi_if)
		snprintf(ptr, (ETHER_ADDR_STRLEN),
			 "%02x:%02x:%02x:%02x:%02x:%02x",
			 (uint8_t)zl3vni->svi_if->hw_addr[0],
			 (uint8_t)zl3vni->svi_if->hw_addr[1],
			 (uint8_t)zl3vni->svi_if->hw_addr[2],
			 (uint8_t)zl3vni->svi_if->hw_addr[3],
			 (uint8_t)zl3vni->svi_if->hw_addr[4],
			 (uint8_t)zl3vni->svi_if->hw_addr[5]);
	else
		snprintf(ptr, ETHER_ADDR_STRLEN, "None");

	return ptr;
}

/*
 * l3-vni is oper up when:
 * 0. if EVPN is enabled (advertise-all-vni cfged)
 * 1. it is associated to a vxlan-intf
 * 2. Associated vxlan-intf is oper up
 * 3. it is associated to an SVI
 * 4. associated SVI is oper up
 */
static inline int is_l3vni_oper_up(zebra_l3vni_t *zl3vni)
{
	return (is_evpn_enabled() && zl3vni && (zl3vni->vrf_id != VRF_UNKNOWN)
		&& zl3vni->vxlan_if && if_is_operative(zl3vni->vxlan_if)
		&& zl3vni->svi_if && if_is_operative(zl3vni->svi_if));
}

static inline const char *zl3vni_state2str(zebra_l3vni_t *zl3vni)
{
	if (!zl3vni)
		return NULL;

	if (is_l3vni_oper_up(zl3vni))
		return "Up";
	else
		return "Down";

	return NULL;
}

static inline vrf_id_t zl3vni_vrf_id(zebra_l3vni_t *zl3vni)
{
	return zl3vni->vrf_id;
}

static inline void zl3vni_get_rmac(zebra_l3vni_t *zl3vni, struct ethaddr *rmac)
{
	if (!zl3vni)
		return;

	if (!is_l3vni_oper_up(zl3vni))
		return;

	if (zl3vni->svi_if && if_is_operative(zl3vni->svi_if))
		memcpy(rmac->octet, zl3vni->svi_if->hw_addr, ETH_ALEN);
}

struct host_rb_entry {
	RB_ENTRY(host_rb_entry) hl_entry;

	struct prefix p;
};

RB_HEAD(host_rb_tree_entry, host_rb_entry);
RB_PROTOTYPE(host_rb_tree_entry, host_rb_entry, hl_entry,
	     host_rb_entry_compare);
/*
 * MAC hash table.
 *
 * This table contains the MAC addresses pertaining to this VNI.
 * This includes local MACs learnt on an attached VLAN that maps
 * to this VNI as well as remote MACs learnt and installed by BGP.
 * Local MACs will be known either on a VLAN sub-interface or
 * on (port, VLAN); however, it is sufficient for zebra to maintain
 * against the VNI i.e., it does not need to retain the local "port"
 * information. The correct VNI will be obtained as zebra maintains
 * the mapping (of VLAN to VNI).
 */
struct zebra_mac_t_ {
	/* MAC address. */
	struct ethaddr macaddr;

	uint32_t flags;
#define ZEBRA_MAC_LOCAL   0x01
#define ZEBRA_MAC_REMOTE  0x02
#define ZEBRA_MAC_AUTO    0x04  /* Auto created for neighbor. */
#define ZEBRA_MAC_STICKY  0x08  /* Static MAC */
#define ZEBRA_MAC_REMOTE_RMAC  0x10  /* remote router mac */
#define ZEBRA_MAC_DEF_GW  0x20
/* remote VTEP advertised MAC as default GW */
#define ZEBRA_MAC_REMOTE_DEF_GW	0x40

	/* Local or remote info. */
	union {
		struct {
			ifindex_t ifindex;
			vlanid_t vid;
		} local;

		struct in_addr r_vtep_ip;
	} fwd_info;

	/* Mobility sequence numbers associated with this entry. */
	uint32_t rem_seq;
	uint32_t loc_seq;

	/* List of neigh associated with this mac */
	struct list *neigh_list;

	/* list of hosts pointing to this remote RMAC */
	struct host_rb_tree_entry host_rb;
};

/*
 * Context for MAC hash walk - used by callbacks.
 */
struct mac_walk_ctx {
	zebra_vni_t *zvni;      /* VNI hash */
	struct zebra_vrf *zvrf; /* VRF - for client notification. */
	int uninstall;		/* uninstall from kernel? */
	int upd_client;		/* uninstall from client? */

	uint32_t flags;
#define DEL_LOCAL_MAC                0x1
#define DEL_REMOTE_MAC               0x2
#define DEL_ALL_MAC                  (DEL_LOCAL_MAC | DEL_REMOTE_MAC)
#define DEL_REMOTE_MAC_FROM_VTEP     0x4
#define SHOW_REMOTE_MAC_FROM_VTEP    0x8

	struct in_addr r_vtep_ip; /* To walk MACs from specific VTEP */

	struct vty *vty;	  /* Used by VTY handlers */
	uint32_t count;		  /* Used by VTY handlers */
	struct json_object *json; /* Used for JSON Output */
};

struct rmac_walk_ctx {
	struct vty *vty;
	struct json_object *json;
};

enum zebra_neigh_state { ZEBRA_NEIGH_INACTIVE = 0, ZEBRA_NEIGH_ACTIVE = 1 };

#define IS_ZEBRA_NEIGH_ACTIVE(n) n->state == ZEBRA_NEIGH_ACTIVE

#define IS_ZEBRA_NEIGH_INACTIVE(n) n->state == ZEBRA_NEIGH_INACTIVE

#define ZEBRA_NEIGH_SET_ACTIVE(n) n->state = ZEBRA_NEIGH_ACTIVE

#define ZEBRA_NEIGH_SET_INACTIVE(n) n->state = ZEBRA_NEIGH_INACTIVE

/*
 * Neighbor hash table.
 *
 * This table contains the neighbors (IP to MAC bindings) pertaining to
 * this VNI. This includes local neighbors learnt on the attached VLAN
 * device that maps to this VNI as well as remote neighbors learnt and
 * installed by BGP.
 * Local neighbors will be known against the VLAN device (SVI); however,
 * it is sufficient for zebra to maintain against the VNI. The correct
 * VNI will be obtained as zebra maintains the mapping (of VLAN to VNI).
 */
struct zebra_neigh_t_ {
	/* IP address. */
	struct ipaddr ip;

	/* MAC address. */
	struct ethaddr emac;

	/* Underlying interface. */
	ifindex_t ifindex;

	uint32_t flags;
#define ZEBRA_NEIGH_LOCAL     0x01
#define ZEBRA_NEIGH_REMOTE    0x02
#define ZEBRA_NEIGH_REMOTE_NH    0x04 /* neigh entry for remote vtep */
#define ZEBRA_NEIGH_DEF_GW    0x08
#define ZEBRA_NEIGH_ROUTER_FLAG 0x10

	enum zebra_neigh_state state;

	/* Remote VTEP IP - applicable only for remote neighbors. */
	struct in_addr r_vtep_ip;

	/*
	 * Mobility sequence numbers associated with this entry. The rem_seq
	 * represents the sequence number from the client (BGP) for the most
	 * recent add or update of this entry while the loc_seq represents
	 * the sequence number informed (or to be informed) by zebra to BGP
	 * for this entry.
	 */
	uint32_t rem_seq;
	uint32_t loc_seq;

	/* list of hosts pointing to this remote NH entry */
	struct host_rb_tree_entry host_rb;
};

/*
 * Context for neighbor hash walk - used by callbacks.
 */
struct neigh_walk_ctx {
	zebra_vni_t *zvni;      /* VNI hash */
	struct zebra_vrf *zvrf; /* VRF - for client notification. */
	int uninstall;		/* uninstall from kernel? */
	int upd_client;		/* uninstall from client? */

	uint32_t flags;
#define DEL_LOCAL_NEIGH              0x1
#define DEL_REMOTE_NEIGH             0x2
#define DEL_ALL_NEIGH                (DEL_LOCAL_NEIGH | DEL_REMOTE_NEIGH)
#define DEL_REMOTE_NEIGH_FROM_VTEP   0x4
#define SHOW_REMOTE_NEIGH_FROM_VTEP  0x8

	struct in_addr r_vtep_ip; /* To walk neighbors from specific VTEP */

	struct vty *vty;	  /* Used by VTY handlers */
	uint32_t count;		  /* Used by VTY handlers */
	uint8_t addr_width;       /* Used by VTY handlers */
	struct json_object *json; /* Used for JSON Output */
};

/* context for neigh hash walk - update l3vni and rmac */
struct neigh_l3info_walk_ctx {

	zebra_vni_t *zvni;
	zebra_l3vni_t *zl3vni;
	int add;
};

struct nh_walk_ctx {

	struct vty *vty;
	struct json_object *json;
};

#endif /* _ZEBRA_VXLAN_PRIVATE_H */
Commit	Line	Data
18a7a601	1	/*
	2	* Zebra VxLAN (EVPN) Data structures and definitions
	3	* These are "internal" to this function.
	4	* Copyright (C) 2016, 2017 Cumulus Networks, Inc.
	5	*
	6	* This file is part of FRR.
	7	*
	8	* FRR is free software; you can redistribute it and/or modify it
	9	* under the terms of the GNU General Public License as published by the
	10	* Free Software Foundation; either version 2, or (at your option) any
	11	* later version.
	12	*
	13	* FRR is distributed in the hope that it will be useful, but
	14	* WITHOUT ANY WARRANTY; without even the implied warranty of
	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	16	* General Public License for more details.
	17	*
	18	* You should have received a copy of the GNU General Public License
	19	* along with FRR; see the file COPYING. If not, write to the Free
	20	* Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
	21	* 02111-1307, USA.
	22	*/
	23
	24	#ifndef _ZEBRA_VXLAN_PRIVATE_H
	25	#define _ZEBRA_VXLAN_PRIVATE_H
	26
	27	#include <zebra.h>
	28
	29	#include <zebra.h>
	30
	31	#include "if.h"
	32	#include "linklist.h"
655b04d1	33	#include "zebra_vxlan.h"
18a7a601	34
b7cfce93 MK	35	#define ERR_STR_SZ 256
b7cfce93 MK	36
18a7a601	37	/* definitions */
	38	typedef struct zebra_vni_t_ zebra_vni_t;
	39	typedef struct zebra_vtep_t_ zebra_vtep_t;
4122e252	40	typedef struct zebra_mac_t_ zebra_mac_t;
4122e252	41	typedef struct zebra_neigh_t_ zebra_neigh_t;
b7cfce93	42	typedef struct zebra_l3vni_t_ zebra_l3vni_t;
18a7a601	43
	44	/*
	45	* VTEP info
	46	*
	47	* Right now, this just has each remote VTEP's IP address.
	48	*/
d62a17ae	49	struct zebra_vtep_t_ {
	50	/* Remote IP. */
	51	/* NOTE: Can only be IPv4 right now. */
	52	struct in_addr vtep_ip;
	53
	54	/* Links. */
	55	struct zebra_vtep_t_ *next;
	56	struct zebra_vtep_t_ *prev;
18a7a601	57	};
	58
	59
	60	/*
	61	* VNI hash table
	62	*
	63	* Contains information pertaining to a VNI:
	64	* - the list of remote VTEPs (with this VNI)
	65	*/
d62a17ae	66	struct zebra_vni_t_ {
	67	/* VNI - key */
	68	vni_t vni;
18a7a601	69
1a98c087	70	/* Flag for advertising gw macip */
d7c0a89a	71	uint8_t advertise_gw_macip;
1a98c087	72
31310b25	73	/* Flag for advertising gw macip */
d7c0a89a	74	uint8_t advertise_subnet;
31310b25	75
d62a17ae	76	/* Corresponding VxLAN interface. */
d62a17ae	77	struct interface *vxlan_if;
18a7a601	78
d62a17ae	79	/* List of remote VTEPs */
d62a17ae	80	zebra_vtep_t *vteps;
18a7a601	81
d62a17ae	82	/* Local IP */
d62a17ae	83	struct in_addr local_vtep_ip;
4122e252	84
b7cfce93 MK	85	/* tenant VRF, if any */
	86	vrf_id_t vrf_id;
	87
d62a17ae	88	/* List of local or remote MAC */
d62a17ae	89	struct hash *mac_table;
4122e252	90
d62a17ae	91	/* List of local or remote neighbors (MAC+IP) */
d62a17ae	92	struct hash *neigh_table;
4122e252	93	};
4122e252	94
b7cfce93 MK	95	/* L3 VNI hash table */
	96	struct zebra_l3vni_t_ {
	97
	98	/* VNI key */
	99	vni_t vni;
	100
	101	/* vrf_id */
	102	vrf_id_t vrf_id;
	103
c48d9f5f MK	104	uint32_t filter;
	105	#define PREFIX_ROUTES_ONLY (1 << 0) /* l3-vni used for prefix routes only */
	106
b67a60d2	107	/* Local IP */
	108	struct in_addr local_vtep_ip;
	109
b7cfce93 MK	110	/* kernel interface for l3vni */
	111	struct interface *vxlan_if;
	112
	113	/* SVI interface corresponding to the l3vni */
	114	struct interface *svi_if;
	115
	116	/* list of L2 VNIs associated with the L3 VNI */
	117	struct list *l2vnis;
	118
	119	/* list of remote router-macs */
	120	struct hash *rmac_table;
	121
	122	/* list of remote vtep-ip neigh */
	123	struct hash *nh_table;
	124	};
	125
	126	/* get the vx-intf name for l3vni */
	127	static inline const char zl3vni_vxlan_if_name(zebra_l3vni_t zl3vni)
	128	{
	129	return zl3vni->vxlan_if ? zl3vni->vxlan_if->name : "None";
	130	}
	131
	132	/* get the svi intf name for l3vni */
	133	static inline const char zl3vni_svi_if_name(zebra_l3vni_t zl3vni)
	134	{
	135	return zl3vni->svi_if ? zl3vni->svi_if->name : "None";
	136	}
	137
	138	/* get the vrf name for l3vni */
	139	static inline const char zl3vni_vrf_name(zebra_l3vni_t zl3vni)
	140	{
	141	return vrf_id_to_name(zl3vni->vrf_id);
	142	}
	143
	144	/* get the rmac string */
	145	static inline const char zl3vni_rmac2str(zebra_l3vni_t zl3vni, char *buf,
	146	int size)
	147	{
	148	char *ptr;
	149
	150	if (!buf)
	151	ptr = (char *)XMALLOC(MTYPE_TMP,
	152	ETHER_ADDR_STRLEN * sizeof(char));
	153	else {
	154	assert(size >= ETHER_ADDR_STRLEN);
	155	ptr = buf;
	156	}
	157
	158	if (zl3vni->svi_if)
	159	snprintf(ptr, (ETHER_ADDR_STRLEN),
	160	"%02x:%02x:%02x:%02x:%02x:%02x",
	161	(uint8_t)zl3vni->svi_if->hw_addr[0],
	162	(uint8_t)zl3vni->svi_if->hw_addr[1],
	163	(uint8_t)zl3vni->svi_if->hw_addr[2],
	164	(uint8_t)zl3vni->svi_if->hw_addr[3],
	165	(uint8_t)zl3vni->svi_if->hw_addr[4],
	166	(uint8_t)zl3vni->svi_if->hw_addr[5]);
	167	else
	168	snprintf(ptr, ETHER_ADDR_STRLEN, "None");
	169
	170	return ptr;
	171	}
	172
	173	/*
174	* l3-vni is oper up when:
655b04d1	175	* 0. if EVPN is enabled (advertise-all-vni cfged)
b7cfce93 MK	176	* 1. it is associated to a vxlan-intf
	177	* 2. Associated vxlan-intf is oper up
	178	* 3. it is associated to an SVI
	179	* 4. associated SVI is oper up
	180	*/
	181	static inline int is_l3vni_oper_up(zebra_l3vni_t *zl3vni)
	182	{
996c9314 LB	183	return (is_evpn_enabled() && zl3vni && (zl3vni->vrf_id != VRF_UNKNOWN)
	184	&& zl3vni->vxlan_if && if_is_operative(zl3vni->vxlan_if)
	185	&& zl3vni->svi_if && if_is_operative(zl3vni->svi_if));
b7cfce93 MK	186	}
	187
	188	static inline const char zl3vni_state2str(zebra_l3vni_t zl3vni)
	189	{
	190	if (!zl3vni)
	191	return NULL;
	192
	193	if (is_l3vni_oper_up(zl3vni))
	194	return "Up";
	195	else
	196	return "Down";
	197
	198	return NULL;
	199	}
	200
	201	static inline vrf_id_t zl3vni_vrf_id(zebra_l3vni_t *zl3vni)
	202	{
	203	return zl3vni->vrf_id;
	204	}
	205
996c9314	206	static inline void zl3vni_get_rmac(zebra_l3vni_t zl3vni, struct ethaddr rmac)
b7cfce93 MK	207	{
	208	if (!zl3vni)
	209	return;
	210
	211	if (!is_l3vni_oper_up(zl3vni))
	212	return;
	213
	214	if (zl3vni->svi_if && if_is_operative(zl3vni->svi_if))
	215	memcpy(rmac->octet, zl3vni->svi_if->hw_addr, ETH_ALEN);
	216	}
	217
5e1b0650 DS	218	struct host_rb_entry {
	219	RB_ENTRY(host_rb_entry) hl_entry;
	220
	221	struct prefix p;
	222	};
	223
85442b09 DS	224	RB_HEAD(host_rb_tree_entry, host_rb_entry);
85442b09 DS	225	RB_PROTOTYPE(host_rb_tree_entry, host_rb_entry, hl_entry,
5e1b0650	226	host_rb_entry_compare);
4122e252	227	/*
	228	* MAC hash table.
	229	*
	230	* This table contains the MAC addresses pertaining to this VNI.
	231	* This includes local MACs learnt on an attached VLAN that maps
	232	* to this VNI as well as remote MACs learnt and installed by BGP.
	233	* Local MACs will be known either on a VLAN sub-interface or
	234	* on (port, VLAN); however, it is sufficient for zebra to maintain
	235	* against the VNI i.e., it does not need to retain the local "port"
	236	* information. The correct VNI will be obtained as zebra maintains
	237	* the mapping (of VLAN to VNI).
	238	*/
d62a17ae	239	struct zebra_mac_t_ {
	240	/* MAC address. */
	241	struct ethaddr macaddr;
4122e252	242
d7c0a89a	243	uint32_t flags;
4122e252	244	#define ZEBRA_MAC_LOCAL 0x01
	245	#define ZEBRA_MAC_REMOTE 0x02
	246	#define ZEBRA_MAC_AUTO 0x04 /* Auto created for neighbor. */
c85c03c7	247	#define ZEBRA_MAC_STICKY 0x08 /* Static MAC */
b7cfce93	248	#define ZEBRA_MAC_REMOTE_RMAC 0x10 /* remote router mac */
ead40654	249	#define ZEBRA_MAC_DEF_GW 0x20
51f4dab4 AK	250	/* remote VTEP advertised MAC as default GW */
51f4dab4 AK	251	#define ZEBRA_MAC_REMOTE_DEF_GW 0x40
4122e252	252
d62a17ae	253	/* Local or remote info. */
	254	union {
	255	struct {
	256	ifindex_t ifindex;
	257	vlanid_t vid;
	258	} local;
4122e252	259
d62a17ae	260	struct in_addr r_vtep_ip;
d62a17ae	261	} fwd_info;
4122e252	262
f07e1c99	263	/* Mobility sequence numbers associated with this entry. */
	264	uint32_t rem_seq;
	265	uint32_t loc_seq;
	266
b6938a74 MK	267	/* List of neigh associated with this mac */
b6938a74 MK	268	struct list *neigh_list;
b7cfce93	269
6134fd82	270	/* list of hosts pointing to this remote RMAC */
85442b09	271	struct host_rb_tree_entry host_rb;
4122e252	272	};
	273
	274	/*
	275	* Context for MAC hash walk - used by callbacks.
	276	*/
d62a17ae	277	struct mac_walk_ctx {
	278	zebra_vni_t zvni; / VNI hash */
	279	struct zebra_vrf zvrf; / VRF - for client notification. */
	280	int uninstall; /* uninstall from kernel? */
	281	int upd_client; /* uninstall from client? */
	282
d7c0a89a	283	uint32_t flags;
4122e252	284	#define DEL_LOCAL_MAC 0x1
	285	#define DEL_REMOTE_MAC 0x2
	286	#define DEL_ALL_MAC (DEL_LOCAL_MAC \| DEL_REMOTE_MAC)
	287	#define DEL_REMOTE_MAC_FROM_VTEP 0x4
	288	#define SHOW_REMOTE_MAC_FROM_VTEP 0x8
	289
d62a17ae	290	struct in_addr r_vtep_ip; /* To walk MACs from specific VTEP */
4122e252	291
cd233079	292	struct vty vty; / Used by VTY handlers */
d7c0a89a	293	uint32_t count; /* Used by VTY handlers */
cd233079	294	struct json_object json; / Used for JSON Output */
4122e252	295	};
4122e252	296
b7cfce93 MK	297	struct rmac_walk_ctx {
	298	struct vty *vty;
	299	struct json_object *json;
	300	};
	301
b6938a74 MK	302	enum zebra_neigh_state { ZEBRA_NEIGH_INACTIVE = 0, ZEBRA_NEIGH_ACTIVE = 1 };
	303
	304	#define IS_ZEBRA_NEIGH_ACTIVE(n) n->state == ZEBRA_NEIGH_ACTIVE
	305
	306	#define IS_ZEBRA_NEIGH_INACTIVE(n) n->state == ZEBRA_NEIGH_INACTIVE
	307
	308	#define ZEBRA_NEIGH_SET_ACTIVE(n) n->state = ZEBRA_NEIGH_ACTIVE
	309
	310	#define ZEBRA_NEIGH_SET_INACTIVE(n) n->state = ZEBRA_NEIGH_INACTIVE
	311
4122e252	312	/*
	313	* Neighbor hash table.
	314	*
	315	* This table contains the neighbors (IP to MAC bindings) pertaining to
	316	* this VNI. This includes local neighbors learnt on the attached VLAN
	317	* device that maps to this VNI as well as remote neighbors learnt and
	318	* installed by BGP.
	319	* Local neighbors will be known against the VLAN device (SVI); however,
	320	* it is sufficient for zebra to maintain against the VNI. The correct
	321	* VNI will be obtained as zebra maintains the mapping (of VLAN to VNI).
	322	*/
d62a17ae	323	struct zebra_neigh_t_ {
	324	/* IP address. */
	325	struct ipaddr ip;
4122e252	326
d62a17ae	327	/* MAC address. */
d62a17ae	328	struct ethaddr emac;
4122e252	329
d62a17ae	330	/* Underlying interface. */
d62a17ae	331	ifindex_t ifindex;
4122e252	332
d7c0a89a	333	uint32_t flags;
b6938a74 MK	334	#define ZEBRA_NEIGH_LOCAL 0x01
b6938a74 MK	335	#define ZEBRA_NEIGH_REMOTE 0x02
b7cfce93	336	#define ZEBRA_NEIGH_REMOTE_NH 0x04 /* neigh entry for remote vtep */
ead40654	337	#define ZEBRA_NEIGH_DEF_GW 0x08
68e33151	338	#define ZEBRA_NEIGH_ROUTER_FLAG 0x10
b6938a74 MK	339
b6938a74 MK	340	enum zebra_neigh_state state;
4122e252	341
d62a17ae	342	/* Remote VTEP IP - applicable only for remote neighbors. */
d62a17ae	343	struct in_addr r_vtep_ip;
b7cfce93	344
f07e1c99	345	/*
	346	* Mobility sequence numbers associated with this entry. The rem_seq
	347	* represents the sequence number from the client (BGP) for the most
	348	* recent add or update of this entry while the loc_seq represents
	349	* the sequence number informed (or to be informed) by zebra to BGP
	350	* for this entry.
	351	*/
	352	uint32_t rem_seq;
	353	uint32_t loc_seq;
	354
6134fd82	355	/* list of hosts pointing to this remote NH entry */
85442b09	356	struct host_rb_tree_entry host_rb;
4122e252	357	};
	358
	359	/*
	360	* Context for neighbor hash walk - used by callbacks.
	361	*/
d62a17ae	362	struct neigh_walk_ctx {
	363	zebra_vni_t zvni; / VNI hash */
	364	struct zebra_vrf zvrf; / VRF - for client notification. */
	365	int uninstall; /* uninstall from kernel? */
	366	int upd_client; /* uninstall from client? */
	367
d7c0a89a	368	uint32_t flags;
4122e252	369	#define DEL_LOCAL_NEIGH 0x1
	370	#define DEL_REMOTE_NEIGH 0x2
	371	#define DEL_ALL_NEIGH (DEL_LOCAL_NEIGH \| DEL_REMOTE_NEIGH)
	372	#define DEL_REMOTE_NEIGH_FROM_VTEP 0x4
	373	#define SHOW_REMOTE_NEIGH_FROM_VTEP 0x8
	374
d62a17ae	375	struct in_addr r_vtep_ip; /* To walk neighbors from specific VTEP */
4122e252	376
cd233079	377	struct vty vty; / Used by VTY handlers */
d7c0a89a QY	378	uint32_t count; /* Used by VTY handlers */
d7c0a89a QY	379	uint8_t addr_width; /* Used by VTY handlers */
cd233079	380	struct json_object json; / Used for JSON Output */
18a7a601	381	};
18a7a601	382
b7cfce93 MK	383	/* context for neigh hash walk - update l3vni and rmac */
	384	struct neigh_l3info_walk_ctx {
	385
	386	zebra_vni_t *zvni;
	387	zebra_l3vni_t *zl3vni;
	388	int add;
	389	};
	390
	391	struct nh_walk_ctx {
	392
	393	struct vty *vty;
	394	struct json_object *json;
	395	};
	396
18a7a601	397	#endif /* _ZEBRA_VXLAN_PRIVATE_H */