[mirror_frr.git] / bgpd / bgp_evpn_private.h

/* BGP EVPN internal definitions
 * Copyright (C) 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 _BGP_EVPN_PRIVATE_H
#define _BGP_EVPN_PRIVATE_H

#include "vxlan.h"
#include "zebra.h"

#include "bgpd/bgpd.h"
#include "bgpd/bgp_ecommunity.h"

#define RT_ADDRSTRLEN 28

/* EVPN prefix lengths. This reprsent the sizeof struct prefix_evpn  */
#define EVPN_ROUTE_PREFIXLEN     224

/* EVPN route types. */
typedef enum {
	BGP_EVPN_AD_ROUTE = 1,    /* Ethernet Auto-Discovery (A-D) route */
	BGP_EVPN_MAC_IP_ROUTE,    /* MAC/IP Advertisement route */
	BGP_EVPN_IMET_ROUTE,      /* Inclusive Multicast Ethernet Tag route */
	BGP_EVPN_ES_ROUTE,	/* Ethernet Segment route */
	BGP_EVPN_IP_PREFIX_ROUTE, /* IP Prefix route */
} bgp_evpn_route_type;

/*
 * Hash table of EVIs. Right now, the only type of EVI supported is with
 * VxLAN encapsulation, hence each EVI corresponds to a L2 VNI.
 * The VNIs are not "created" through BGP but through some other interface
 * on the system. This table stores VNIs that BGP comes to know as present
 * on the system (through interaction with zebra) as well as pre-configured
 * VNIs (which need to be defined in the system to become "live").
 */
struct bgpevpn {
	vni_t vni;
	vrf_id_t tenant_vrf_id;
	uint32_t flags;
#define VNI_FLAG_CFGD              0x1  /* VNI is user configured */
#define VNI_FLAG_LIVE              0x2  /* VNI is "live" */
#define VNI_FLAG_RD_CFGD           0x4  /* RD is user configured. */
#define VNI_FLAG_IMPRT_CFGD        0x8  /* Import RT is user configured */
#define VNI_FLAG_EXPRT_CFGD        0x10 /* Export RT is user configured */
#define VNI_FLAG_USE_TWO_LABELS    0x20 /* Attach both L2-VNI and L3-VNI if
					   needed for this VPN */

	struct bgp *bgp_vrf; /* back pointer to the vrf instance */

					   /* Flag to indicate if we are
					    * advertising the g/w mac ip for
					    * this VNI*/
	uint8_t advertise_gw_macip;

	/* Flag to indicate if we are
	 * advertising subnet for this VNI */
	uint8_t advertise_subnet;

	/* Flag to indicate if we are advertising the svi mac ip for this VNI*/
	uint8_t advertise_svi_macip;

	/* Id for deriving the RD
	 * automatically for this VNI */
	uint16_t rd_id;

	/* RD for this VNI. */
	struct prefix_rd prd;

	/* Route type 3 field */
	struct in_addr originator_ip;

	/* Import and Export RTs. */
	struct list *import_rtl;
	struct list *export_rtl;

	/* Route table for EVPN routes for
	 * this VNI. */
	struct bgp_table *route_table;

	QOBJ_FIELDS
};

DECLARE_QOBJ_TYPE(bgpevpn)

struct evpnes {

	/* Ethernet Segment Identifier */
	esi_t esi;

	/* es flags */
	uint16_t flags;
#define EVPNES_LOCAL	0x01
#define EVPNES_REMOTE	0x02

	/*
	 * Id for deriving the RD
	 * automatically for this ESI
	 */
	uint16_t rd_id;

	/* RD for this VNI. */
	struct prefix_rd prd;

	/* originator ip address  */
	struct ipaddr originator_ip;

	/* list of VTEPs in the same site */
	struct list *vtep_list;

	/*
	 * Route table for EVPN routes for
	 * this ESI. - type4 routes
	 */
	struct bgp_table *route_table;

	QOBJ_FIELDS
};

DECLARE_QOBJ_TYPE(evpnes)

/* Mapping of Import RT to VNIs.
 * The Import RTs of all VNIs are maintained in a hash table with each
 * RT linking to all VNIs that will import routes matching this RT.
 */
struct irt_node {
	/* RT */
	struct ecommunity_val rt;

	/* List of VNIs importing routes matching this RT. */
	struct list *vnis;
};

/* Mapping of Import RT to VRFs.
 * The Import RTs of all VRFss are maintained in a hash table with each
 * RT linking to all VRFs that will import routes matching this RT.
 */
struct vrf_irt_node {
	/* RT */
	struct ecommunity_val rt;

	/* List of VNIs importing routes matching this RT. */
	struct list *vrfs;
};


#define RT_TYPE_IMPORT 1
#define RT_TYPE_EXPORT 2
#define RT_TYPE_BOTH   3

#define EVPN_DAD_DEFAULT_TIME 180 /* secs */
#define EVPN_DAD_DEFAULT_MAX_MOVES 5 /* default from RFC 7432 */
#define EVPN_DAD_DEFAULT_AUTO_RECOVERY_TIME 1800 /* secs */

struct bgp_evpn_info {
	/* enable disable dup detect */
	bool dup_addr_detect;

	/* Detection time(M) */
	int dad_time;
	/* Detection max moves(N) */
	uint32_t dad_max_moves;
	/* Permanent freeze */
	bool dad_freeze;
	/* Recovery time */
	uint32_t dad_freeze_time;

	/* EVPN enable - advertise svi macip routes */
	int advertise_svi_macip;

};

static inline int is_vrf_rd_configured(struct bgp *bgp_vrf)
{
	return (CHECK_FLAG(bgp_vrf->vrf_flags, BGP_VRF_RD_CFGD));
}

static inline int bgp_evpn_vrf_rd_matches_existing(struct bgp *bgp_vrf,
						   struct prefix_rd *prd)
{
	return (memcmp(&bgp_vrf->vrf_prd.val, prd->val, ECOMMUNITY_SIZE) == 0);
}

static inline vni_t bgpevpn_get_l3vni(struct bgpevpn *vpn)
{
	return vpn->bgp_vrf ? vpn->bgp_vrf->l3vni : 0;
}

static inline void bgpevpn_get_rmac(struct bgpevpn *vpn, struct ethaddr *rmac)
{
	memset(rmac, 0, sizeof(struct ethaddr));
	if (!vpn->bgp_vrf)
		return;
	memcpy(rmac, &vpn->bgp_vrf->rmac, sizeof(struct ethaddr));
}

static inline struct list *bgpevpn_get_vrf_export_rtl(struct bgpevpn *vpn)
{
	if (!vpn->bgp_vrf)
		return NULL;

	return vpn->bgp_vrf->vrf_export_rtl;
}

static inline struct list *bgpevpn_get_vrf_import_rtl(struct bgpevpn *vpn)
{
	if (!vpn->bgp_vrf)
		return NULL;

	return vpn->bgp_vrf->vrf_import_rtl;
}

static inline void bgpevpn_unlink_from_l3vni(struct bgpevpn *vpn)
{
	/* bail if vpn is not associated to bgp_vrf */
	if (!vpn->bgp_vrf)
		return;

	UNSET_FLAG(vpn->flags, VNI_FLAG_USE_TWO_LABELS);
	listnode_delete(vpn->bgp_vrf->l2vnis, vpn);

	/* remove the backpointer to the vrf instance */
	vpn->bgp_vrf = NULL;
}

static inline void bgpevpn_link_to_l3vni(struct bgpevpn *vpn)
{
	struct bgp *bgp_vrf = NULL;

	/* bail if vpn is already associated to vrf */
	if (vpn->bgp_vrf)
		return;

	bgp_vrf = bgp_lookup_by_vrf_id(vpn->tenant_vrf_id);
	if (!bgp_vrf)
		return;

	/* associate the vpn to the bgp_vrf instance */
	vpn->bgp_vrf = bgp_vrf;
	listnode_add_sort(bgp_vrf->l2vnis, vpn);

	/* check if we are advertising two labels for this vpn */
	if (!CHECK_FLAG(bgp_vrf->vrf_flags, BGP_VRF_L3VNI_PREFIX_ROUTES_ONLY))
		SET_FLAG(vpn->flags, VNI_FLAG_USE_TWO_LABELS);
}

static inline int is_vni_configured(struct bgpevpn *vpn)
{
	return (CHECK_FLAG(vpn->flags, VNI_FLAG_CFGD));
}

static inline int is_vni_live(struct bgpevpn *vpn)
{
	return (CHECK_FLAG(vpn->flags, VNI_FLAG_LIVE));
}

static inline int is_rd_configured(struct bgpevpn *vpn)
{
	return (CHECK_FLAG(vpn->flags, VNI_FLAG_RD_CFGD));
}

static inline int bgp_evpn_rd_matches_existing(struct bgpevpn *vpn,
					       struct prefix_rd *prd)
{
	return (memcmp(&vpn->prd.val, prd->val, ECOMMUNITY_SIZE) == 0);
}

static inline int is_import_rt_configured(struct bgpevpn *vpn)
{
	return (CHECK_FLAG(vpn->flags, VNI_FLAG_IMPRT_CFGD));
}

static inline int is_export_rt_configured(struct bgpevpn *vpn)
{
	return (CHECK_FLAG(vpn->flags, VNI_FLAG_EXPRT_CFGD));
}

static inline int is_vni_param_configured(struct bgpevpn *vpn)
{
	return (is_rd_configured(vpn) || is_import_rt_configured(vpn)
		|| is_export_rt_configured(vpn));
}

static inline void encode_es_rt_extcomm(struct ecommunity_val *eval,
					struct ethaddr *mac)
{
	memset(eval, 0, sizeof(struct ecommunity_val));
	eval->val[0] = ECOMMUNITY_ENCODE_EVPN;
	eval->val[1] = ECOMMUNITY_EVPN_SUBTYPE_ES_IMPORT_RT;
	memcpy(&eval->val[2], mac, ETH_ALEN);
}

static inline void encode_rmac_extcomm(struct ecommunity_val *eval,
				       struct ethaddr *rmac)
{
	memset(eval, 0, sizeof(*eval));
	eval->val[0] = ECOMMUNITY_ENCODE_EVPN;
	eval->val[1] = ECOMMUNITY_EVPN_SUBTYPE_ROUTERMAC;
	memcpy(&eval->val[2], rmac, ETH_ALEN);
}

static inline void encode_default_gw_extcomm(struct ecommunity_val *eval)
{
	memset(eval, 0, sizeof(*eval));
	eval->val[0] = ECOMMUNITY_ENCODE_OPAQUE;
	eval->val[1] = ECOMMUNITY_EVPN_SUBTYPE_DEF_GW;
}

static inline void encode_mac_mobility_extcomm(int static_mac, uint32_t seq,
					       struct ecommunity_val *eval)
{
	memset(eval, 0, sizeof(*eval));
	eval->val[0] = ECOMMUNITY_ENCODE_EVPN;
	eval->val[1] = ECOMMUNITY_EVPN_SUBTYPE_MACMOBILITY;
	if (static_mac)
		eval->val[2] = ECOMMUNITY_EVPN_SUBTYPE_MACMOBILITY_FLAG_STICKY;
	eval->val[4] = (seq >> 24) & 0xff;
	eval->val[5] = (seq >> 16) & 0xff;
	eval->val[6] = (seq >> 8) & 0xff;
	eval->val[7] = seq & 0xff;
}

static inline void encode_na_flag_extcomm(struct ecommunity_val *eval,
					  uint8_t na_flag)
{
	memset(eval, 0, sizeof(*eval));
	eval->val[0] = ECOMMUNITY_ENCODE_EVPN;
	eval->val[1] = ECOMMUNITY_EVPN_SUBTYPE_ND;
	if (na_flag)
		eval->val[2] |= ECOMMUNITY_EVPN_SUBTYPE_ND_ROUTER_FLAG;
}

static inline void ip_prefix_from_type5_prefix(struct prefix_evpn *evp,
					       struct prefix *ip)
{
	memset(ip, 0, sizeof(struct prefix));
	if (is_evpn_prefix_ipaddr_v4(evp)) {
		ip->family = AF_INET;
		ip->prefixlen = evp->prefix.prefix_addr.ip_prefix_length;
		memcpy(&(ip->u.prefix4), &(evp->prefix.prefix_addr.ip.ip),
		       IPV4_MAX_BYTELEN);
	} else if (is_evpn_prefix_ipaddr_v6(evp)) {
		ip->family = AF_INET6;
		ip->prefixlen = evp->prefix.prefix_addr.ip_prefix_length;
		memcpy(&(ip->u.prefix6), &(evp->prefix.prefix_addr.ip.ip),
		       IPV6_MAX_BYTELEN);
	}
}

static inline int is_evpn_prefix_default(const struct prefix *evp)
{
	if (evp->family != AF_EVPN)
		return 0;

	return ((evp->u.prefix_evpn.prefix_addr.ip_prefix_length  == 0) ?
		1 : 0);
}

static inline void ip_prefix_from_type2_prefix(struct prefix_evpn *evp,
					       struct prefix *ip)
{
	memset(ip, 0, sizeof(struct prefix));
	if (is_evpn_prefix_ipaddr_v4(evp)) {
		ip->family = AF_INET;
		ip->prefixlen = IPV4_MAX_BITLEN;
		memcpy(&(ip->u.prefix4), &(evp->prefix.macip_addr.ip.ip),
		       IPV4_MAX_BYTELEN);
	} else if (is_evpn_prefix_ipaddr_v6(evp)) {
		ip->family = AF_INET6;
		ip->prefixlen = IPV6_MAX_BITLEN;
		memcpy(&(ip->u.prefix6), &(evp->prefix.macip_addr.ip.ip),
		       IPV6_MAX_BYTELEN);
	}
}

static inline void ip_prefix_from_evpn_prefix(struct prefix_evpn *evp,
					      struct prefix *ip)
{
	if (evp->prefix.route_type == BGP_EVPN_MAC_IP_ROUTE)
		ip_prefix_from_type2_prefix(evp, ip);
	else if (evp->prefix.route_type == BGP_EVPN_IP_PREFIX_ROUTE)
		ip_prefix_from_type5_prefix(evp, ip);
}

static inline void build_evpn_type2_prefix(struct prefix_evpn *p,
					   struct ethaddr *mac,
					   struct ipaddr *ip)
{
	memset(p, 0, sizeof(struct prefix_evpn));
	p->family = AF_EVPN;
	p->prefixlen = EVPN_ROUTE_PREFIXLEN;
	p->prefix.route_type = BGP_EVPN_MAC_IP_ROUTE;
	memcpy(&p->prefix.macip_addr.mac.octet, mac->octet, ETH_ALEN);
	p->prefix.macip_addr.ip.ipa_type = IPADDR_NONE;
	if (ip)
		memcpy(&p->prefix.macip_addr.ip, ip, sizeof(*ip));
}

static inline void build_type5_prefix_from_ip_prefix(struct prefix_evpn *evp,
						     struct prefix *ip_prefix)
{
	struct ipaddr ip;

	memset(&ip, 0, sizeof(struct ipaddr));
	if (ip_prefix->family == AF_INET) {
		ip.ipa_type = IPADDR_V4;
		memcpy(&ip.ipaddr_v4, &ip_prefix->u.prefix4,
		       sizeof(struct in_addr));
	} else {
		ip.ipa_type = IPADDR_V6;
		memcpy(&ip.ipaddr_v6, &ip_prefix->u.prefix6,
		       sizeof(struct in6_addr));
	}

	memset(evp, 0, sizeof(struct prefix_evpn));
	evp->family = AF_EVPN;
	evp->prefixlen = EVPN_ROUTE_PREFIXLEN;
	evp->prefix.route_type = BGP_EVPN_IP_PREFIX_ROUTE;
	evp->prefix.prefix_addr.ip_prefix_length = ip_prefix->prefixlen;
	evp->prefix.prefix_addr.ip.ipa_type = ip.ipa_type;
	memcpy(&evp->prefix.prefix_addr.ip, &ip, sizeof(struct ipaddr));
}

static inline void build_evpn_type3_prefix(struct prefix_evpn *p,
					   struct in_addr originator_ip)
{
	memset(p, 0, sizeof(struct prefix_evpn));
	p->family = AF_EVPN;
	p->prefixlen = EVPN_ROUTE_PREFIXLEN;
	p->prefix.route_type = BGP_EVPN_IMET_ROUTE;
	p->prefix.imet_addr.ip.ipa_type = IPADDR_V4;
	p->prefix.imet_addr.ip.ipaddr_v4 = originator_ip;
}

static inline void build_evpn_type4_prefix(struct prefix_evpn *p,
					   esi_t *esi,
					   struct in_addr originator_ip)
{
	memset(p, 0, sizeof(struct prefix_evpn));
	p->family = AF_EVPN;
	p->prefixlen = EVPN_ROUTE_PREFIXLEN;
	p->prefix.route_type = BGP_EVPN_ES_ROUTE;
	p->prefix.es_addr.ip_prefix_length = IPV4_MAX_BITLEN;
	p->prefix.es_addr.ip.ipa_type = IPADDR_V4;
	p->prefix.es_addr.ip.ipaddr_v4 = originator_ip;
	memcpy(&p->prefix.es_addr.esi, esi, sizeof(esi_t));
}

static inline int evpn_default_originate_set(struct bgp *bgp, afi_t afi,
					     safi_t safi)
{
	if (afi == AFI_IP &&
	    CHECK_FLAG(bgp->af_flags[AFI_L2VPN][SAFI_EVPN],
		       BGP_L2VPN_EVPN_DEFAULT_ORIGINATE_IPV4))
		return 1;
	else if (afi == AFI_IP6 &&
		 CHECK_FLAG(bgp->af_flags[AFI_L2VPN][SAFI_EVPN],
			    BGP_L2VPN_EVPN_DEFAULT_ORIGINATE_IPV6))
		return 1;
	return 0;
}

static inline void es_get_system_mac(esi_t *esi,
				     struct ethaddr *mac)
{
	/*
	 * for type-1 and type-3 ESIs,
	 * the system mac starts at val[1]
	 */
	memcpy(mac, &esi->val[1], ETH_ALEN);
}

static inline int is_es_local(struct evpnes *es)
{
	return CHECK_FLAG(es->flags, EVPNES_LOCAL) ? 1 : 0;
}

extern void bgp_evpn_install_uninstall_default_route(struct bgp *bgp_vrf,
						     afi_t afi, safi_t safi,
						     bool add);
extern void evpn_rt_delete_auto(struct bgp *, vni_t, struct list *);
extern void bgp_evpn_configure_export_rt_for_vrf(struct bgp *bgp_vrf,
						 struct ecommunity *ecomadd);
extern void bgp_evpn_unconfigure_export_rt_for_vrf(struct bgp *bgp_vrf,
						   struct ecommunity *ecomdel);
extern void bgp_evpn_configure_import_rt_for_vrf(struct bgp *bgp_vrf,
						 struct ecommunity *ecomadd);
extern void bgp_evpn_unconfigure_import_rt_for_vrf(struct bgp *bgp_vrf,
						   struct ecommunity *ecomdel);
extern int bgp_evpn_handle_export_rt_change(struct bgp *bgp,
					    struct bgpevpn *vpn);
extern void bgp_evpn_handle_autort_change(struct bgp *bgp);
extern void bgp_evpn_handle_vrf_rd_change(struct bgp *bgp_vrf, int withdraw);
extern void bgp_evpn_handle_rd_change(struct bgp *bgp, struct bgpevpn *vpn,
				      int withdraw);
extern int bgp_evpn_install_routes(struct bgp *bgp, struct bgpevpn *vpn);
extern int bgp_evpn_uninstall_routes(struct bgp *bgp, struct bgpevpn *vpn);
extern void bgp_evpn_map_vrf_to_its_rts(struct bgp *bgp_vrf);
extern void bgp_evpn_unmap_vrf_from_its_rts(struct bgp *bgp_vrf);
extern void bgp_evpn_map_vni_to_its_rts(struct bgp *bgp, struct bgpevpn *vpn);
extern void bgp_evpn_unmap_vni_from_its_rts(struct bgp *bgp,
					    struct bgpevpn *vpn);
extern void bgp_evpn_derive_auto_rt_import(struct bgp *bgp,
					   struct bgpevpn *vpn);
extern void bgp_evpn_derive_auto_rt_export(struct bgp *bgp,
					   struct bgpevpn *vpn);
extern void bgp_evpn_derive_auto_rd(struct bgp *bgp, struct bgpevpn *vpn);
extern void bgp_evpn_derive_auto_rd_for_vrf(struct bgp *bgp);
extern struct bgpevpn *bgp_evpn_lookup_vni(struct bgp *bgp, vni_t vni);
extern struct bgpevpn *bgp_evpn_new(struct bgp *bgp, vni_t vni,
				    struct in_addr originator_ip,
				    vrf_id_t tenant_vrf_id);
extern void bgp_evpn_free(struct bgp *bgp, struct bgpevpn *vpn);
extern struct evpnes *bgp_evpn_lookup_es(struct bgp *bgp, esi_t *esi);
extern struct evpnes *bgp_evpn_es_new(struct bgp *bgp, esi_t *esi,
				      struct ipaddr *originator_ip);
extern void bgp_evpn_es_free(struct bgp *bgp, struct evpnes *es);
extern bool bgp_evpn_lookup_l3vni_l2vni_table(vni_t vni);
#endif /* _BGP_EVPN_PRIVATE_H */
Commit	Line	Data
a4168ebc	1	/* BGP EVPN internal definitions
	2	* Copyright (C) 2017 Cumulus Networks, Inc.
	3	*
	4	* This file is part of FRR.
	5	*
	6	* FRR 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	* FRR 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	*
	16	* You should have received a copy of the GNU General Public License
	17	* along with FRR; see the file COPYING. If not, write to the Free
	18	* Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
	19	* 02111-1307, USA.
	20	*/
	21
	22	#ifndef _BGP_EVPN_PRIVATE_H
	23	#define _BGP_EVPN_PRIVATE_H
	24
	25	#include "vxlan.h"
	26	#include "zebra.h"
	27
	28	#include "bgpd/bgpd.h"
	29	#include "bgpd/bgp_ecommunity.h"
	30
60466a63	31	#define RT_ADDRSTRLEN 28
9c92b5f7	32
e9fc2840	33	/* EVPN prefix lengths. This reprsent the sizeof struct prefix_evpn */
50f74cf1	34	#define EVPN_ROUTE_PREFIXLEN 224
a4168ebc	35
a4168ebc	36	/* EVPN route types. */
d62a17ae	37	typedef enum {
	38	BGP_EVPN_AD_ROUTE = 1, /* Ethernet Auto-Discovery (A-D) route */
	39	BGP_EVPN_MAC_IP_ROUTE, /* MAC/IP Advertisement route */
	40	BGP_EVPN_IMET_ROUTE, /* Inclusive Multicast Ethernet Tag route */
	41	BGP_EVPN_ES_ROUTE, /* Ethernet Segment route */
	42	BGP_EVPN_IP_PREFIX_ROUTE, /* IP Prefix route */
a4168ebc	43	} bgp_evpn_route_type;
	44
	45	/*
	46	* Hash table of EVIs. Right now, the only type of EVI supported is with
	47	* VxLAN encapsulation, hence each EVI corresponds to a L2 VNI.
	48	* The VNIs are not "created" through BGP but through some other interface
	49	* on the system. This table stores VNIs that BGP comes to know as present
	50	* on the system (through interaction with zebra) as well as pre-configured
	51	* VNIs (which need to be defined in the system to become "live").
	52	*/
d62a17ae	53	struct bgpevpn {
d62a17ae	54	vni_t vni;
29c53922	55	vrf_id_t tenant_vrf_id;
d7c0a89a	56	uint32_t flags;
a4168ebc	57	#define VNI_FLAG_CFGD 0x1 /* VNI is user configured */
	58	#define VNI_FLAG_LIVE 0x2 /* VNI is "live" */
	59	#define VNI_FLAG_RD_CFGD 0x4 /* RD is user configured. */
	60	#define VNI_FLAG_IMPRT_CFGD 0x8 /* Import RT is user configured */
	61	#define VNI_FLAG_EXPRT_CFGD 0x10 /* Export RT is user configured */
c48d9f5f MK	62	#define VNI_FLAG_USE_TWO_LABELS 0x20 /* Attach both L2-VNI and L3-VNI if
c48d9f5f MK	63	needed for this VPN */
a4168ebc	64
bc4606bd MK	65	struct bgp bgp_vrf; / back pointer to the vrf instance */
bc4606bd MK	66
996c9314 LB	67	/* Flag to indicate if we are
	68	* advertising the g/w mac ip for
	69	* this VNI*/
d7c0a89a	70	uint8_t advertise_gw_macip;
1a98c087	71
d7c0a89a QY	72	/* Flag to indicate if we are
	73	* advertising subnet for this VNI */
	74	uint8_t advertise_subnet;
31310b25	75
24864e44 CS	76	/* Flag to indicate if we are advertising the svi mac ip for this VNI*/
	77	uint8_t advertise_svi_macip;
	78
d7c0a89a QY	79	/* Id for deriving the RD
	80	* automatically for this VNI */
	81	uint16_t rd_id;
a4168ebc	82
d7c0a89a QY	83	/* RD for this VNI. */
d7c0a89a QY	84	struct prefix_rd prd;
a4168ebc	85
d7c0a89a QY	86	/* Route type 3 field */
d7c0a89a QY	87	struct in_addr originator_ip;
a4168ebc	88
d7c0a89a QY	89	/* Import and Export RTs. */
	90	struct list *import_rtl;
	91	struct list *export_rtl;
a4168ebc	92
d7c0a89a QY	93	/* Route table for EVPN routes for
	94	* this VNI. */
	95	struct bgp_table *route_table;
a4168ebc	96
d7c0a89a	97	QOBJ_FIELDS
a4168ebc	98	};
	99
	100	DECLARE_QOBJ_TYPE(bgpevpn)
	101
50f74cf1	102	struct evpnes {
	103
	104	/* Ethernet Segment Identifier */
	105	esi_t esi;
	106
	107	/* es flags */
	108	uint16_t flags;
	109	#define EVPNES_LOCAL 0x01
	110	#define EVPNES_REMOTE 0x02
	111
2bb9eff4 DS	112	/*
	113	* Id for deriving the RD
	114	* automatically for this ESI
	115	*/
50f74cf1	116	uint16_t rd_id;
	117
	118	/* RD for this VNI. */
	119	struct prefix_rd prd;
	120
	121	/* originator ip address */
	122	struct ipaddr originator_ip;
	123
	124	/* list of VTEPs in the same site */
	125	struct list *vtep_list;
	126
2bb9eff4 DS	127	/*
	128	* Route table for EVPN routes for
	129	* this ESI. - type4 routes
	130	*/
50f74cf1	131	struct bgp_table *route_table;
	132
	133	QOBJ_FIELDS
	134	};
	135
	136	DECLARE_QOBJ_TYPE(evpnes)
	137
a4168ebc	138	/* Mapping of Import RT to VNIs.
	139	* The Import RTs of all VNIs are maintained in a hash table with each
	140	* RT linking to all VNIs that will import routes matching this RT.
	141	*/
d62a17ae	142	struct irt_node {
	143	/* RT */
	144	struct ecommunity_val rt;
a4168ebc	145
d62a17ae	146	/* List of VNIs importing routes matching this RT. */
d62a17ae	147	struct list *vnis;
a4168ebc	148	};
a4168ebc	149
10ebe1ab MK	150	/* Mapping of Import RT to VRFs.
	151	* The Import RTs of all VRFss are maintained in a hash table with each
	152	* RT linking to all VRFs that will import routes matching this RT.
	153	*/
	154	struct vrf_irt_node {
	155	/* RT */
	156	struct ecommunity_val rt;
	157
	158	/* List of VNIs importing routes matching this RT. */
	159	struct list *vrfs;
	160	};
	161
	162
128ea8ab	163	#define RT_TYPE_IMPORT 1
	164	#define RT_TYPE_EXPORT 2
	165	#define RT_TYPE_BOTH 3
	166
85c8d83b CS	167	#define EVPN_DAD_DEFAULT_TIME 180 /* secs */
	168	#define EVPN_DAD_DEFAULT_MAX_MOVES 5 /* default from RFC 7432 */
	169	#define EVPN_DAD_DEFAULT_AUTO_RECOVERY_TIME 1800 /* secs */
	170
	171	struct bgp_evpn_info {
	172	/* enable disable dup detect */
	173	bool dup_addr_detect;
	174
	175	/* Detection time(M) */
	176	int dad_time;
	177	/* Detection max moves(N) */
	178	uint32_t dad_max_moves;
	179	/* Permanent freeze */
	180	bool dad_freeze;
	181	/* Recovery time */
	182	uint32_t dad_freeze_time;
24864e44 CS	183
	184	/* EVPN enable - advertise svi macip routes */
	185	int advertise_svi_macip;
	186
85c8d83b CS	187	};
85c8d83b CS	188
676f83b9	189	static inline int is_vrf_rd_configured(struct bgp *bgp_vrf)
676f83b9	190	{
996c9314	191	return (CHECK_FLAG(bgp_vrf->vrf_flags, BGP_VRF_RD_CFGD));
676f83b9	192	}
	193
	194	static inline int bgp_evpn_vrf_rd_matches_existing(struct bgp *bgp_vrf,
	195	struct prefix_rd *prd)
	196	{
	197	return (memcmp(&bgp_vrf->vrf_prd.val, prd->val, ECOMMUNITY_SIZE) == 0);
	198	}
	199
6d8c58b7 MK	200	static inline vni_t bgpevpn_get_l3vni(struct bgpevpn *vpn)
6d8c58b7 MK	201	{
bc4606bd	202	return vpn->bgp_vrf ? vpn->bgp_vrf->l3vni : 0;
6d8c58b7 MK	203	}
	204
	205	static inline void bgpevpn_get_rmac(struct bgpevpn vpn, struct ethaddr rmac)
	206	{
6d8c58b7	207	memset(rmac, 0, sizeof(struct ethaddr));
bc4606bd	208	if (!vpn->bgp_vrf)
6d8c58b7	209	return;
bc4606bd	210	memcpy(rmac, &vpn->bgp_vrf->rmac, sizeof(struct ethaddr));
6d8c58b7 MK	211	}
	212
	213	static inline struct list bgpevpn_get_vrf_export_rtl(struct bgpevpn vpn)
	214	{
bc4606bd	215	if (!vpn->bgp_vrf)
6d8c58b7 MK	216	return NULL;
6d8c58b7 MK	217
bc4606bd	218	return vpn->bgp_vrf->vrf_export_rtl;
6d8c58b7 MK	219	}
	220
	221	static inline struct list bgpevpn_get_vrf_import_rtl(struct bgpevpn vpn)
	222	{
bc4606bd	223	if (!vpn->bgp_vrf)
6d8c58b7 MK	224	return NULL;
6d8c58b7 MK	225
bc4606bd	226	return vpn->bgp_vrf->vrf_import_rtl;
6d8c58b7 MK	227	}
6d8c58b7 MK	228
6a8657d0 MK	229	static inline void bgpevpn_unlink_from_l3vni(struct bgpevpn *vpn)
6a8657d0 MK	230	{
bc4606bd MK	231	/* bail if vpn is not associated to bgp_vrf */
bc4606bd MK	232	if (!vpn->bgp_vrf)
6a8657d0	233	return;
996c9314	234
c48d9f5f	235	UNSET_FLAG(vpn->flags, VNI_FLAG_USE_TWO_LABELS);
bc4606bd	236	listnode_delete(vpn->bgp_vrf->l2vnis, vpn);
996c9314	237
bc4606bd MK	238	/* remove the backpointer to the vrf instance */
bc4606bd MK	239	vpn->bgp_vrf = NULL;
6a8657d0 MK	240	}
	241
	242	static inline void bgpevpn_link_to_l3vni(struct bgpevpn *vpn)
	243	{
	244	struct bgp *bgp_vrf = NULL;
	245
bc4606bd MK	246	/* bail if vpn is already associated to vrf */
	247	if (vpn->bgp_vrf)
	248	return;
	249
6a8657d0	250	bgp_vrf = bgp_lookup_by_vrf_id(vpn->tenant_vrf_id);
c48d9f5f	251	if (!bgp_vrf)
6a8657d0	252	return;
c48d9f5f	253
bc4606bd MK	254	/* associate the vpn to the bgp_vrf instance */
bc4606bd MK	255	vpn->bgp_vrf = bgp_vrf;
6a8657d0	256	listnode_add_sort(bgp_vrf->l2vnis, vpn);
83ea2eb0	257
c48d9f5f	258	/* check if we are advertising two labels for this vpn */
996c9314	259	if (!CHECK_FLAG(bgp_vrf->vrf_flags, BGP_VRF_L3VNI_PREFIX_ROUTES_ONLY))
c48d9f5f	260	SET_FLAG(vpn->flags, VNI_FLAG_USE_TWO_LABELS);
6a8657d0 MK	261	}
6a8657d0 MK	262
d62a17ae	263	static inline int is_vni_configured(struct bgpevpn *vpn)
128ea8ab	264	{
d62a17ae	265	return (CHECK_FLAG(vpn->flags, VNI_FLAG_CFGD));
128ea8ab	266	}
128ea8ab	267
d62a17ae	268	static inline int is_vni_live(struct bgpevpn *vpn)
128ea8ab	269	{
d62a17ae	270	return (CHECK_FLAG(vpn->flags, VNI_FLAG_LIVE));
128ea8ab	271	}
128ea8ab	272
d62a17ae	273	static inline int is_rd_configured(struct bgpevpn *vpn)
128ea8ab	274	{
d62a17ae	275	return (CHECK_FLAG(vpn->flags, VNI_FLAG_RD_CFGD));
128ea8ab	276	}
128ea8ab	277
d62a17ae	278	static inline int bgp_evpn_rd_matches_existing(struct bgpevpn *vpn,
d62a17ae	279	struct prefix_rd *prd)
128ea8ab	280	{
d62a17ae	281	return (memcmp(&vpn->prd.val, prd->val, ECOMMUNITY_SIZE) == 0);
128ea8ab	282	}
128ea8ab	283
d62a17ae	284	static inline int is_import_rt_configured(struct bgpevpn *vpn)
128ea8ab	285	{
d62a17ae	286	return (CHECK_FLAG(vpn->flags, VNI_FLAG_IMPRT_CFGD));
128ea8ab	287	}
128ea8ab	288
d62a17ae	289	static inline int is_export_rt_configured(struct bgpevpn *vpn)
128ea8ab	290	{
d62a17ae	291	return (CHECK_FLAG(vpn->flags, VNI_FLAG_EXPRT_CFGD));
128ea8ab	292	}
128ea8ab	293
d62a17ae	294	static inline int is_vni_param_configured(struct bgpevpn *vpn)
128ea8ab	295	{
d62a17ae	296	return (is_rd_configured(vpn) \|\| is_import_rt_configured(vpn)
d62a17ae	297	\|\| is_export_rt_configured(vpn));
128ea8ab	298	}
128ea8ab	299
50f74cf1	300	static inline void encode_es_rt_extcomm(struct ecommunity_val *eval,
	301	struct ethaddr *mac)
	302	{
	303	memset(eval, 0, sizeof(struct ecommunity_val));
	304	eval->val[0] = ECOMMUNITY_ENCODE_EVPN;
	305	eval->val[1] = ECOMMUNITY_EVPN_SUBTYPE_ES_IMPORT_RT;
	306	memcpy(&eval->val[2], mac, ETH_ALEN);
	307	}
	308
bc59a672 MK	309	static inline void encode_rmac_extcomm(struct ecommunity_val *eval,
	310	struct ethaddr *rmac)
	311	{
	312	memset(eval, 0, sizeof(*eval));
	313	eval->val[0] = ECOMMUNITY_ENCODE_EVPN;
	314	eval->val[1] = ECOMMUNITY_EVPN_SUBTYPE_ROUTERMAC;
	315	memcpy(&eval->val[2], rmac, ETH_ALEN);
	316	}
	317
ead40654 MK	318	static inline void encode_default_gw_extcomm(struct ecommunity_val *eval)
	319	{
	320	memset(eval, 0, sizeof(*eval));
	321	eval->val[0] = ECOMMUNITY_ENCODE_OPAQUE;
	322	eval->val[1] = ECOMMUNITY_EVPN_SUBTYPE_DEF_GW;
	323	}
	324
d7c0a89a	325	static inline void encode_mac_mobility_extcomm(int static_mac, uint32_t seq,
d62a17ae	326	struct ecommunity_val *eval)
128ea8ab	327	{
d62a17ae	328	memset(eval, 0, sizeof(*eval));
	329	eval->val[0] = ECOMMUNITY_ENCODE_EVPN;
	330	eval->val[1] = ECOMMUNITY_EVPN_SUBTYPE_MACMOBILITY;
	331	if (static_mac)
	332	eval->val[2] = ECOMMUNITY_EVPN_SUBTYPE_MACMOBILITY_FLAG_STICKY;
	333	eval->val[4] = (seq >> 24) & 0xff;
	334	eval->val[5] = (seq >> 16) & 0xff;
	335	eval->val[6] = (seq >> 8) & 0xff;
	336	eval->val[7] = seq & 0xff;
128ea8ab	337	}
128ea8ab	338
68e33151 CS	339	static inline void encode_na_flag_extcomm(struct ecommunity_val *eval,
	340	uint8_t na_flag)
	341	{
	342	memset(eval, 0, sizeof(*eval));
	343	eval->val[0] = ECOMMUNITY_ENCODE_EVPN;
	344	eval->val[1] = ECOMMUNITY_EVPN_SUBTYPE_ND;
	345	if (na_flag)
	346	eval->val[2] \|= ECOMMUNITY_EVPN_SUBTYPE_ND_ROUTER_FLAG;
	347	}
	348
90264d64 MK	349	static inline void ip_prefix_from_type5_prefix(struct prefix_evpn *evp,
	350	struct prefix *ip)
	351	{
	352	memset(ip, 0, sizeof(struct prefix));
3714a385	353	if (is_evpn_prefix_ipaddr_v4(evp)) {
90264d64	354	ip->family = AF_INET;
3714a385	355	ip->prefixlen = evp->prefix.prefix_addr.ip_prefix_length;
3714a385	356	memcpy(&(ip->u.prefix4), &(evp->prefix.prefix_addr.ip.ip),
90264d64	357	IPV4_MAX_BYTELEN);
3714a385	358	} else if (is_evpn_prefix_ipaddr_v6(evp)) {
90264d64	359	ip->family = AF_INET6;
3714a385	360	ip->prefixlen = evp->prefix.prefix_addr.ip_prefix_length;
3714a385	361	memcpy(&(ip->u.prefix6), &(evp->prefix.prefix_addr.ip.ip),
90264d64 MK	362	IPV6_MAX_BYTELEN);
	363	}
	364	}
	365
123214ef	366	static inline int is_evpn_prefix_default(const struct prefix *evp)
6fb219da MK	367	{
	368	if (evp->family != AF_EVPN)
	369	return 0;
	370
3714a385	371	return ((evp->u.prefix_evpn.prefix_addr.ip_prefix_length == 0) ?
3714a385	372	1 : 0);
6fb219da MK	373	}
6fb219da MK	374
d3135ba3	375	static inline void ip_prefix_from_type2_prefix(struct prefix_evpn *evp,
	376	struct prefix *ip)
	377	{
	378	memset(ip, 0, sizeof(struct prefix));
3714a385	379	if (is_evpn_prefix_ipaddr_v4(evp)) {
d3135ba3	380	ip->family = AF_INET;
d3135ba3	381	ip->prefixlen = IPV4_MAX_BITLEN;
3714a385	382	memcpy(&(ip->u.prefix4), &(evp->prefix.macip_addr.ip.ip),
d3135ba3	383	IPV4_MAX_BYTELEN);
3714a385	384	} else if (is_evpn_prefix_ipaddr_v6(evp)) {
d3135ba3	385	ip->family = AF_INET6;
d3135ba3	386	ip->prefixlen = IPV6_MAX_BITLEN;
3714a385	387	memcpy(&(ip->u.prefix6), &(evp->prefix.macip_addr.ip.ip),
d3135ba3	388	IPV6_MAX_BYTELEN);
	389	}
	390	}
	391
3714a385	392	static inline void ip_prefix_from_evpn_prefix(struct prefix_evpn *evp,
	393	struct prefix *ip)
	394	{
	395	if (evp->prefix.route_type == BGP_EVPN_MAC_IP_ROUTE)
	396	ip_prefix_from_type2_prefix(evp, ip);
	397	else if (evp->prefix.route_type == BGP_EVPN_IP_PREFIX_ROUTE)
	398	ip_prefix_from_type5_prefix(evp, ip);
	399	}
	400
d62a17ae	401	static inline void build_evpn_type2_prefix(struct prefix_evpn *p,
	402	struct ethaddr *mac,
	403	struct ipaddr *ip)
128ea8ab	404	{
d62a17ae	405	memset(p, 0, sizeof(struct prefix_evpn));
b03b8898	406	p->family = AF_EVPN;
50f74cf1	407	p->prefixlen = EVPN_ROUTE_PREFIXLEN;
d62a17ae	408	p->prefix.route_type = BGP_EVPN_MAC_IP_ROUTE;
3714a385	409	memcpy(&p->prefix.macip_addr.mac.octet, mac->octet, ETH_ALEN);
3714a385	410	p->prefix.macip_addr.ip.ipa_type = IPADDR_NONE;
d62a17ae	411	if (ip)
3714a385	412	memcpy(&p->prefix.macip_addr.ip, ip, sizeof(*ip));
128ea8ab	413	}
128ea8ab	414
342dd0c6	415	static inline void build_type5_prefix_from_ip_prefix(struct prefix_evpn *evp,
	416	struct prefix *ip_prefix)
	417	{
	418	struct ipaddr ip;
	419
	420	memset(&ip, 0, sizeof(struct ipaddr));
	421	if (ip_prefix->family == AF_INET) {
	422	ip.ipa_type = IPADDR_V4;
	423	memcpy(&ip.ipaddr_v4, &ip_prefix->u.prefix4,
	424	sizeof(struct in_addr));
	425	} else {
	426	ip.ipa_type = IPADDR_V6;
	427	memcpy(&ip.ipaddr_v6, &ip_prefix->u.prefix6,
	428	sizeof(struct in6_addr));
	429	}
	430
	431	memset(evp, 0, sizeof(struct prefix_evpn));
	432	evp->family = AF_EVPN;
50f74cf1	433	evp->prefixlen = EVPN_ROUTE_PREFIXLEN;
342dd0c6	434	evp->prefix.route_type = BGP_EVPN_IP_PREFIX_ROUTE;
3714a385	435	evp->prefix.prefix_addr.ip_prefix_length = ip_prefix->prefixlen;
	436	evp->prefix.prefix_addr.ip.ipa_type = ip.ipa_type;
	437	memcpy(&evp->prefix.prefix_addr.ip, &ip, sizeof(struct ipaddr));
342dd0c6	438	}
342dd0c6	439
d62a17ae	440	static inline void build_evpn_type3_prefix(struct prefix_evpn *p,
d62a17ae	441	struct in_addr originator_ip)
128ea8ab	442	{
d62a17ae	443	memset(p, 0, sizeof(struct prefix_evpn));
b03b8898	444	p->family = AF_EVPN;
50f74cf1	445	p->prefixlen = EVPN_ROUTE_PREFIXLEN;
d62a17ae	446	p->prefix.route_type = BGP_EVPN_IMET_ROUTE;
3714a385	447	p->prefix.imet_addr.ip.ipa_type = IPADDR_V4;
3714a385	448	p->prefix.imet_addr.ip.ipaddr_v4 = originator_ip;
128ea8ab	449	}
128ea8ab	450
50f74cf1	451	static inline void build_evpn_type4_prefix(struct prefix_evpn *p,
	452	esi_t *esi,
	453	struct in_addr originator_ip)
	454	{
	455	memset(p, 0, sizeof(struct prefix_evpn));
	456	p->family = AF_EVPN;
	457	p->prefixlen = EVPN_ROUTE_PREFIXLEN;
	458	p->prefix.route_type = BGP_EVPN_ES_ROUTE;
	459	p->prefix.es_addr.ip_prefix_length = IPV4_MAX_BITLEN;
	460	p->prefix.es_addr.ip.ipa_type = IPADDR_V4;
	461	p->prefix.es_addr.ip.ipaddr_v4 = originator_ip;
	462	memcpy(&p->prefix.es_addr.esi, esi, sizeof(esi_t));
	463	}
	464
486456ca MK	465	static inline int evpn_default_originate_set(struct bgp *bgp, afi_t afi,
	466	safi_t safi)
	467	{
	468	if (afi == AFI_IP &&
	469	CHECK_FLAG(bgp->af_flags[AFI_L2VPN][SAFI_EVPN],
	470	BGP_L2VPN_EVPN_DEFAULT_ORIGINATE_IPV4))
	471	return 1;
	472	else if (afi == AFI_IP6 &&
	473	CHECK_FLAG(bgp->af_flags[AFI_L2VPN][SAFI_EVPN],
	474	BGP_L2VPN_EVPN_DEFAULT_ORIGINATE_IPV6))
	475	return 1;
	476	return 0;
	477	}
	478
50f74cf1	479	static inline void es_get_system_mac(esi_t *esi,
	480	struct ethaddr *mac)
	481	{
2bb9eff4 DS	482	/*
	483	* for type-1 and type-3 ESIs,
	484	* the system mac starts at val[1]
50f74cf1	485	*/
	486	memcpy(mac, &esi->val[1], ETH_ALEN);
	487	}
	488
	489	static inline int is_es_local(struct evpnes *es)
	490	{
	491	return CHECK_FLAG(es->flags, EVPNES_LOCAL) ? 1 : 0;
	492	}
	493
5fd9c12b KA	494	extern void bgp_evpn_install_uninstall_default_route(struct bgp *bgp_vrf,
	495	afi_t afi, safi_t safi,
	496	bool add);
996c9314	497	extern void evpn_rt_delete_auto(struct bgp , vni_t, struct list );
523cafc4	498	extern void bgp_evpn_configure_export_rt_for_vrf(struct bgp *bgp_vrf,
	499	struct ecommunity *ecomadd);
	500	extern void bgp_evpn_unconfigure_export_rt_for_vrf(struct bgp *bgp_vrf,
	501	struct ecommunity *ecomdel);
	502	extern void bgp_evpn_configure_import_rt_for_vrf(struct bgp *bgp_vrf,
	503	struct ecommunity *ecomadd);
	504	extern void bgp_evpn_unconfigure_import_rt_for_vrf(struct bgp *bgp_vrf,
	505	struct ecommunity *ecomdel);
d62a17ae	506	extern int bgp_evpn_handle_export_rt_change(struct bgp *bgp,
d62a17ae	507	struct bgpevpn *vpn);
bf1061d8	508	extern void bgp_evpn_handle_autort_change(struct bgp *bgp);
676f83b9	509	extern void bgp_evpn_handle_vrf_rd_change(struct bgp *bgp_vrf, int withdraw);
d62a17ae	510	extern void bgp_evpn_handle_rd_change(struct bgp bgp, struct bgpevpn vpn,
	511	int withdraw);
	512	extern int bgp_evpn_install_routes(struct bgp bgp, struct bgpevpn vpn);
	513	extern int bgp_evpn_uninstall_routes(struct bgp bgp, struct bgpevpn vpn);
523cafc4	514	extern void bgp_evpn_map_vrf_to_its_rts(struct bgp *bgp_vrf);
523cafc4	515	extern void bgp_evpn_unmap_vrf_from_its_rts(struct bgp *bgp_vrf);
d62a17ae	516	extern void bgp_evpn_map_vni_to_its_rts(struct bgp bgp, struct bgpevpn vpn);
	517	extern void bgp_evpn_unmap_vni_from_its_rts(struct bgp *bgp,
	518	struct bgpevpn *vpn);
	519	extern void bgp_evpn_derive_auto_rt_import(struct bgp *bgp,
	520	struct bgpevpn *vpn);
	521	extern void bgp_evpn_derive_auto_rt_export(struct bgp *bgp,
	522	struct bgpevpn *vpn);
	523	extern void bgp_evpn_derive_auto_rd(struct bgp bgp, struct bgpevpn vpn);
676f83b9	524	extern void bgp_evpn_derive_auto_rd_for_vrf(struct bgp *bgp);
d62a17ae	525	extern struct bgpevpn bgp_evpn_lookup_vni(struct bgp bgp, vni_t vni);
d62a17ae	526	extern struct bgpevpn bgp_evpn_new(struct bgp bgp, vni_t vni,
29c53922 MK	527	struct in_addr originator_ip,
29c53922 MK	528	vrf_id_t tenant_vrf_id);
d62a17ae	529	extern void bgp_evpn_free(struct bgp bgp, struct bgpevpn vpn);
50f74cf1	530	extern struct evpnes bgp_evpn_lookup_es(struct bgp bgp, esi_t *esi);
	531	extern struct evpnes bgp_evpn_es_new(struct bgp bgp, esi_t *esi,
	532	struct ipaddr *originator_ip);
	533	extern void bgp_evpn_es_free(struct bgp bgp, struct evpnes es);
7df407ed	534	extern bool bgp_evpn_lookup_l3vni_l2vni_table(vni_t vni);
a4168ebc	535	#endif /* _BGP_EVPN_PRIVATE_H */