[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 represents the sizeof struct evpn_addr
 * in bits  */
#define EVPN_ROUTE_PREFIXLEN (sizeof(struct evpn_addr) * 8)

/* 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
2f04c4f0 AK	33	/* EVPN prefix lengths. This represents the sizeof struct evpn_addr
	34	* in bits */
	35	#define EVPN_ROUTE_PREFIXLEN (sizeof(struct evpn_addr) * 8)
a4168ebc	36
a4168ebc	37	/* EVPN route types. */
d62a17ae	38	typedef enum {
	39	BGP_EVPN_AD_ROUTE = 1, /* Ethernet Auto-Discovery (A-D) route */
	40	BGP_EVPN_MAC_IP_ROUTE, /* MAC/IP Advertisement route */
	41	BGP_EVPN_IMET_ROUTE, /* Inclusive Multicast Ethernet Tag route */
	42	BGP_EVPN_ES_ROUTE, /* Ethernet Segment route */
	43	BGP_EVPN_IP_PREFIX_ROUTE, /* IP Prefix route */
a4168ebc	44	} bgp_evpn_route_type;
	45
	46	/*
	47	* Hash table of EVIs. Right now, the only type of EVI supported is with
	48	* VxLAN encapsulation, hence each EVI corresponds to a L2 VNI.
	49	* The VNIs are not "created" through BGP but through some other interface
	50	* on the system. This table stores VNIs that BGP comes to know as present
	51	* on the system (through interaction with zebra) as well as pre-configured
	52	* VNIs (which need to be defined in the system to become "live").
	53	*/
d62a17ae	54	struct bgpevpn {
d62a17ae	55	vni_t vni;
29c53922	56	vrf_id_t tenant_vrf_id;
d7c0a89a	57	uint32_t flags;
a4168ebc	58	#define VNI_FLAG_CFGD 0x1 /* VNI is user configured */
	59	#define VNI_FLAG_LIVE 0x2 /* VNI is "live" */
	60	#define VNI_FLAG_RD_CFGD 0x4 /* RD is user configured. */
	61	#define VNI_FLAG_IMPRT_CFGD 0x8 /* Import RT is user configured */
	62	#define VNI_FLAG_EXPRT_CFGD 0x10 /* Export RT is user configured */
c48d9f5f MK	63	#define VNI_FLAG_USE_TWO_LABELS 0x20 /* Attach both L2-VNI and L3-VNI if
c48d9f5f MK	64	needed for this VPN */
a4168ebc	65
bc4606bd MK	66	struct bgp bgp_vrf; / back pointer to the vrf instance */
bc4606bd MK	67
996c9314 LB	68	/* Flag to indicate if we are
	69	* advertising the g/w mac ip for
	70	* this VNI*/
d7c0a89a	71	uint8_t advertise_gw_macip;
1a98c087	72
d7c0a89a QY	73	/* Flag to indicate if we are
	74	* advertising subnet for this VNI */
	75	uint8_t advertise_subnet;
31310b25	76
24864e44 CS	77	/* Flag to indicate if we are advertising the svi mac ip for this VNI*/
	78	uint8_t advertise_svi_macip;
	79
d7c0a89a QY	80	/* Id for deriving the RD
	81	* automatically for this VNI */
	82	uint16_t rd_id;
a4168ebc	83
d7c0a89a QY	84	/* RD for this VNI. */
d7c0a89a QY	85	struct prefix_rd prd;
a4168ebc	86
d7c0a89a QY	87	/* Route type 3 field */
d7c0a89a QY	88	struct in_addr originator_ip;
a4168ebc	89
d7c0a89a QY	90	/* Import and Export RTs. */
	91	struct list *import_rtl;
	92	struct list *export_rtl;
a4168ebc	93
d7c0a89a QY	94	/* Route table for EVPN routes for
	95	* this VNI. */
	96	struct bgp_table *route_table;
a4168ebc	97
d7c0a89a	98	QOBJ_FIELDS
a4168ebc	99	};
	100
	101	DECLARE_QOBJ_TYPE(bgpevpn)
	102
50f74cf1	103	struct evpnes {
	104
	105	/* Ethernet Segment Identifier */
	106	esi_t esi;
	107
	108	/* es flags */
	109	uint16_t flags;
	110	#define EVPNES_LOCAL 0x01
	111	#define EVPNES_REMOTE 0x02
	112
2bb9eff4 DS	113	/*
	114	* Id for deriving the RD
	115	* automatically for this ESI
	116	*/
50f74cf1	117	uint16_t rd_id;
	118
	119	/* RD for this VNI. */
	120	struct prefix_rd prd;
	121
	122	/* originator ip address */
	123	struct ipaddr originator_ip;
	124
	125	/* list of VTEPs in the same site */
	126	struct list *vtep_list;
	127
2bb9eff4 DS	128	/*
	129	* Route table for EVPN routes for
	130	* this ESI. - type4 routes
	131	*/
50f74cf1	132	struct bgp_table *route_table;
	133
	134	QOBJ_FIELDS
	135	};
	136
	137	DECLARE_QOBJ_TYPE(evpnes)
	138
a4168ebc	139	/* Mapping of Import RT to VNIs.
	140	* The Import RTs of all VNIs are maintained in a hash table with each
	141	* RT linking to all VNIs that will import routes matching this RT.
	142	*/
d62a17ae	143	struct irt_node {
	144	/* RT */
	145	struct ecommunity_val rt;
a4168ebc	146
d62a17ae	147	/* List of VNIs importing routes matching this RT. */
d62a17ae	148	struct list *vnis;
a4168ebc	149	};
a4168ebc	150
10ebe1ab MK	151	/* Mapping of Import RT to VRFs.
	152	* The Import RTs of all VRFss are maintained in a hash table with each
	153	* RT linking to all VRFs that will import routes matching this RT.
	154	*/
	155	struct vrf_irt_node {
	156	/* RT */
	157	struct ecommunity_val rt;
	158
	159	/* List of VNIs importing routes matching this RT. */
	160	struct list *vrfs;
	161	};
	162
	163
128ea8ab	164	#define RT_TYPE_IMPORT 1
	165	#define RT_TYPE_EXPORT 2
	166	#define RT_TYPE_BOTH 3
	167
85c8d83b CS	168	#define EVPN_DAD_DEFAULT_TIME 180 /* secs */
	169	#define EVPN_DAD_DEFAULT_MAX_MOVES 5 /* default from RFC 7432 */
	170	#define EVPN_DAD_DEFAULT_AUTO_RECOVERY_TIME 1800 /* secs */
	171
	172	struct bgp_evpn_info {
	173	/* enable disable dup detect */
	174	bool dup_addr_detect;
	175
	176	/* Detection time(M) */
	177	int dad_time;
	178	/* Detection max moves(N) */
	179	uint32_t dad_max_moves;
	180	/* Permanent freeze */
	181	bool dad_freeze;
	182	/* Recovery time */
	183	uint32_t dad_freeze_time;
24864e44 CS	184
	185	/* EVPN enable - advertise svi macip routes */
	186	int advertise_svi_macip;
	187
85c8d83b CS	188	};
85c8d83b CS	189
676f83b9	190	static inline int is_vrf_rd_configured(struct bgp *bgp_vrf)
676f83b9	191	{
996c9314	192	return (CHECK_FLAG(bgp_vrf->vrf_flags, BGP_VRF_RD_CFGD));
676f83b9	193	}
	194
	195	static inline int bgp_evpn_vrf_rd_matches_existing(struct bgp *bgp_vrf,
	196	struct prefix_rd *prd)
	197	{
	198	return (memcmp(&bgp_vrf->vrf_prd.val, prd->val, ECOMMUNITY_SIZE) == 0);
	199	}
	200
6d8c58b7 MK	201	static inline vni_t bgpevpn_get_l3vni(struct bgpevpn *vpn)
6d8c58b7 MK	202	{
bc4606bd	203	return vpn->bgp_vrf ? vpn->bgp_vrf->l3vni : 0;
6d8c58b7 MK	204	}
	205
	206	static inline void bgpevpn_get_rmac(struct bgpevpn vpn, struct ethaddr rmac)
	207	{
6d8c58b7	208	memset(rmac, 0, sizeof(struct ethaddr));
bc4606bd	209	if (!vpn->bgp_vrf)
6d8c58b7	210	return;
bc4606bd	211	memcpy(rmac, &vpn->bgp_vrf->rmac, sizeof(struct ethaddr));
6d8c58b7 MK	212	}
	213
	214	static inline struct list bgpevpn_get_vrf_export_rtl(struct bgpevpn vpn)
	215	{
bc4606bd	216	if (!vpn->bgp_vrf)
6d8c58b7 MK	217	return NULL;
6d8c58b7 MK	218
bc4606bd	219	return vpn->bgp_vrf->vrf_export_rtl;
6d8c58b7 MK	220	}
	221
	222	static inline struct list bgpevpn_get_vrf_import_rtl(struct bgpevpn vpn)
	223	{
bc4606bd	224	if (!vpn->bgp_vrf)
6d8c58b7 MK	225	return NULL;
6d8c58b7 MK	226
bc4606bd	227	return vpn->bgp_vrf->vrf_import_rtl;
6d8c58b7 MK	228	}
6d8c58b7 MK	229
6a8657d0 MK	230	static inline void bgpevpn_unlink_from_l3vni(struct bgpevpn *vpn)
6a8657d0 MK	231	{
bc4606bd MK	232	/* bail if vpn is not associated to bgp_vrf */
bc4606bd MK	233	if (!vpn->bgp_vrf)
6a8657d0	234	return;
996c9314	235
c48d9f5f	236	UNSET_FLAG(vpn->flags, VNI_FLAG_USE_TWO_LABELS);
bc4606bd	237	listnode_delete(vpn->bgp_vrf->l2vnis, vpn);
996c9314	238
bc4606bd MK	239	/* remove the backpointer to the vrf instance */
bc4606bd MK	240	vpn->bgp_vrf = NULL;
6a8657d0 MK	241	}
	242
	243	static inline void bgpevpn_link_to_l3vni(struct bgpevpn *vpn)
	244	{
	245	struct bgp *bgp_vrf = NULL;
	246
bc4606bd MK	247	/* bail if vpn is already associated to vrf */
	248	if (vpn->bgp_vrf)
	249	return;
	250
6a8657d0	251	bgp_vrf = bgp_lookup_by_vrf_id(vpn->tenant_vrf_id);
c48d9f5f	252	if (!bgp_vrf)
6a8657d0	253	return;
c48d9f5f	254
bc4606bd MK	255	/* associate the vpn to the bgp_vrf instance */
bc4606bd MK	256	vpn->bgp_vrf = bgp_vrf;
6a8657d0	257	listnode_add_sort(bgp_vrf->l2vnis, vpn);
83ea2eb0	258
c48d9f5f	259	/* check if we are advertising two labels for this vpn */
996c9314	260	if (!CHECK_FLAG(bgp_vrf->vrf_flags, BGP_VRF_L3VNI_PREFIX_ROUTES_ONLY))
c48d9f5f	261	SET_FLAG(vpn->flags, VNI_FLAG_USE_TWO_LABELS);
6a8657d0 MK	262	}
6a8657d0 MK	263
d62a17ae	264	static inline int is_vni_configured(struct bgpevpn *vpn)
128ea8ab	265	{
d62a17ae	266	return (CHECK_FLAG(vpn->flags, VNI_FLAG_CFGD));
128ea8ab	267	}
128ea8ab	268
d62a17ae	269	static inline int is_vni_live(struct bgpevpn *vpn)
128ea8ab	270	{
d62a17ae	271	return (CHECK_FLAG(vpn->flags, VNI_FLAG_LIVE));
128ea8ab	272	}
128ea8ab	273
d62a17ae	274	static inline int is_rd_configured(struct bgpevpn *vpn)
128ea8ab	275	{
d62a17ae	276	return (CHECK_FLAG(vpn->flags, VNI_FLAG_RD_CFGD));
128ea8ab	277	}
128ea8ab	278
d62a17ae	279	static inline int bgp_evpn_rd_matches_existing(struct bgpevpn *vpn,
d62a17ae	280	struct prefix_rd *prd)
128ea8ab	281	{
d62a17ae	282	return (memcmp(&vpn->prd.val, prd->val, ECOMMUNITY_SIZE) == 0);
128ea8ab	283	}
128ea8ab	284
d62a17ae	285	static inline int is_import_rt_configured(struct bgpevpn *vpn)
128ea8ab	286	{
d62a17ae	287	return (CHECK_FLAG(vpn->flags, VNI_FLAG_IMPRT_CFGD));
128ea8ab	288	}
128ea8ab	289
d62a17ae	290	static inline int is_export_rt_configured(struct bgpevpn *vpn)
128ea8ab	291	{
d62a17ae	292	return (CHECK_FLAG(vpn->flags, VNI_FLAG_EXPRT_CFGD));
128ea8ab	293	}
128ea8ab	294
d62a17ae	295	static inline int is_vni_param_configured(struct bgpevpn *vpn)
128ea8ab	296	{
d62a17ae	297	return (is_rd_configured(vpn) \|\| is_import_rt_configured(vpn)
d62a17ae	298	\|\| is_export_rt_configured(vpn));
128ea8ab	299	}
128ea8ab	300
50f74cf1	301	static inline void encode_es_rt_extcomm(struct ecommunity_val *eval,
	302	struct ethaddr *mac)
	303	{
	304	memset(eval, 0, sizeof(struct ecommunity_val));
	305	eval->val[0] = ECOMMUNITY_ENCODE_EVPN;
	306	eval->val[1] = ECOMMUNITY_EVPN_SUBTYPE_ES_IMPORT_RT;
	307	memcpy(&eval->val[2], mac, ETH_ALEN);
	308	}
	309
bc59a672 MK	310	static inline void encode_rmac_extcomm(struct ecommunity_val *eval,
	311	struct ethaddr *rmac)
	312	{
	313	memset(eval, 0, sizeof(*eval));
	314	eval->val[0] = ECOMMUNITY_ENCODE_EVPN;
	315	eval->val[1] = ECOMMUNITY_EVPN_SUBTYPE_ROUTERMAC;
	316	memcpy(&eval->val[2], rmac, ETH_ALEN);
	317	}
	318
ead40654 MK	319	static inline void encode_default_gw_extcomm(struct ecommunity_val *eval)
	320	{
	321	memset(eval, 0, sizeof(*eval));
	322	eval->val[0] = ECOMMUNITY_ENCODE_OPAQUE;
	323	eval->val[1] = ECOMMUNITY_EVPN_SUBTYPE_DEF_GW;
	324	}
	325
d7c0a89a	326	static inline void encode_mac_mobility_extcomm(int static_mac, uint32_t seq,
d62a17ae	327	struct ecommunity_val *eval)
128ea8ab	328	{
d62a17ae	329	memset(eval, 0, sizeof(*eval));
	330	eval->val[0] = ECOMMUNITY_ENCODE_EVPN;
	331	eval->val[1] = ECOMMUNITY_EVPN_SUBTYPE_MACMOBILITY;
	332	if (static_mac)
	333	eval->val[2] = ECOMMUNITY_EVPN_SUBTYPE_MACMOBILITY_FLAG_STICKY;
	334	eval->val[4] = (seq >> 24) & 0xff;
	335	eval->val[5] = (seq >> 16) & 0xff;
	336	eval->val[6] = (seq >> 8) & 0xff;
	337	eval->val[7] = seq & 0xff;
128ea8ab	338	}
128ea8ab	339
68e33151 CS	340	static inline void encode_na_flag_extcomm(struct ecommunity_val *eval,
	341	uint8_t na_flag)
	342	{
	343	memset(eval, 0, sizeof(*eval));
	344	eval->val[0] = ECOMMUNITY_ENCODE_EVPN;
	345	eval->val[1] = ECOMMUNITY_EVPN_SUBTYPE_ND;
	346	if (na_flag)
	347	eval->val[2] \|= ECOMMUNITY_EVPN_SUBTYPE_ND_ROUTER_FLAG;
	348	}
	349
90264d64 MK	350	static inline void ip_prefix_from_type5_prefix(struct prefix_evpn *evp,
	351	struct prefix *ip)
	352	{
	353	memset(ip, 0, sizeof(struct prefix));
3714a385	354	if (is_evpn_prefix_ipaddr_v4(evp)) {
90264d64	355	ip->family = AF_INET;
3714a385	356	ip->prefixlen = evp->prefix.prefix_addr.ip_prefix_length;
3714a385	357	memcpy(&(ip->u.prefix4), &(evp->prefix.prefix_addr.ip.ip),
90264d64	358	IPV4_MAX_BYTELEN);
3714a385	359	} else if (is_evpn_prefix_ipaddr_v6(evp)) {
90264d64	360	ip->family = AF_INET6;
3714a385	361	ip->prefixlen = evp->prefix.prefix_addr.ip_prefix_length;
3714a385	362	memcpy(&(ip->u.prefix6), &(evp->prefix.prefix_addr.ip.ip),
90264d64 MK	363	IPV6_MAX_BYTELEN);
	364	}
	365	}
	366
123214ef	367	static inline int is_evpn_prefix_default(const struct prefix *evp)
6fb219da MK	368	{
	369	if (evp->family != AF_EVPN)
	370	return 0;
	371
3714a385	372	return ((evp->u.prefix_evpn.prefix_addr.ip_prefix_length == 0) ?
3714a385	373	1 : 0);
6fb219da MK	374	}
6fb219da MK	375
d3135ba3	376	static inline void ip_prefix_from_type2_prefix(struct prefix_evpn *evp,
	377	struct prefix *ip)
	378	{
	379	memset(ip, 0, sizeof(struct prefix));
3714a385	380	if (is_evpn_prefix_ipaddr_v4(evp)) {
d3135ba3	381	ip->family = AF_INET;
d3135ba3	382	ip->prefixlen = IPV4_MAX_BITLEN;
3714a385	383	memcpy(&(ip->u.prefix4), &(evp->prefix.macip_addr.ip.ip),
d3135ba3	384	IPV4_MAX_BYTELEN);
3714a385	385	} else if (is_evpn_prefix_ipaddr_v6(evp)) {
d3135ba3	386	ip->family = AF_INET6;
d3135ba3	387	ip->prefixlen = IPV6_MAX_BITLEN;
3714a385	388	memcpy(&(ip->u.prefix6), &(evp->prefix.macip_addr.ip.ip),
d3135ba3	389	IPV6_MAX_BYTELEN);
	390	}
	391	}
	392
3714a385	393	static inline void ip_prefix_from_evpn_prefix(struct prefix_evpn *evp,
	394	struct prefix *ip)
	395	{
	396	if (evp->prefix.route_type == BGP_EVPN_MAC_IP_ROUTE)
	397	ip_prefix_from_type2_prefix(evp, ip);
	398	else if (evp->prefix.route_type == BGP_EVPN_IP_PREFIX_ROUTE)
	399	ip_prefix_from_type5_prefix(evp, ip);
	400	}
	401
d62a17ae	402	static inline void build_evpn_type2_prefix(struct prefix_evpn *p,
	403	struct ethaddr *mac,
	404	struct ipaddr *ip)
128ea8ab	405	{
d62a17ae	406	memset(p, 0, sizeof(struct prefix_evpn));
b03b8898	407	p->family = AF_EVPN;
50f74cf1	408	p->prefixlen = EVPN_ROUTE_PREFIXLEN;
d62a17ae	409	p->prefix.route_type = BGP_EVPN_MAC_IP_ROUTE;
3714a385	410	memcpy(&p->prefix.macip_addr.mac.octet, mac->octet, ETH_ALEN);
3714a385	411	p->prefix.macip_addr.ip.ipa_type = IPADDR_NONE;
d62a17ae	412	if (ip)
3714a385	413	memcpy(&p->prefix.macip_addr.ip, ip, sizeof(*ip));
128ea8ab	414	}
128ea8ab	415
342dd0c6	416	static inline void build_type5_prefix_from_ip_prefix(struct prefix_evpn *evp,
	417	struct prefix *ip_prefix)
	418	{
	419	struct ipaddr ip;
	420
	421	memset(&ip, 0, sizeof(struct ipaddr));
	422	if (ip_prefix->family == AF_INET) {
	423	ip.ipa_type = IPADDR_V4;
	424	memcpy(&ip.ipaddr_v4, &ip_prefix->u.prefix4,
	425	sizeof(struct in_addr));
	426	} else {
	427	ip.ipa_type = IPADDR_V6;
	428	memcpy(&ip.ipaddr_v6, &ip_prefix->u.prefix6,
	429	sizeof(struct in6_addr));
	430	}
	431
	432	memset(evp, 0, sizeof(struct prefix_evpn));
	433	evp->family = AF_EVPN;
50f74cf1	434	evp->prefixlen = EVPN_ROUTE_PREFIXLEN;
342dd0c6	435	evp->prefix.route_type = BGP_EVPN_IP_PREFIX_ROUTE;
3714a385	436	evp->prefix.prefix_addr.ip_prefix_length = ip_prefix->prefixlen;
	437	evp->prefix.prefix_addr.ip.ipa_type = ip.ipa_type;
	438	memcpy(&evp->prefix.prefix_addr.ip, &ip, sizeof(struct ipaddr));
342dd0c6	439	}
342dd0c6	440
d62a17ae	441	static inline void build_evpn_type3_prefix(struct prefix_evpn *p,
d62a17ae	442	struct in_addr originator_ip)
128ea8ab	443	{
d62a17ae	444	memset(p, 0, sizeof(struct prefix_evpn));
b03b8898	445	p->family = AF_EVPN;
50f74cf1	446	p->prefixlen = EVPN_ROUTE_PREFIXLEN;
d62a17ae	447	p->prefix.route_type = BGP_EVPN_IMET_ROUTE;
3714a385	448	p->prefix.imet_addr.ip.ipa_type = IPADDR_V4;
3714a385	449	p->prefix.imet_addr.ip.ipaddr_v4 = originator_ip;
128ea8ab	450	}
128ea8ab	451
50f74cf1	452	static inline void build_evpn_type4_prefix(struct prefix_evpn *p,
	453	esi_t *esi,
	454	struct in_addr originator_ip)
	455	{
	456	memset(p, 0, sizeof(struct prefix_evpn));
	457	p->family = AF_EVPN;
	458	p->prefixlen = EVPN_ROUTE_PREFIXLEN;
	459	p->prefix.route_type = BGP_EVPN_ES_ROUTE;
	460	p->prefix.es_addr.ip_prefix_length = IPV4_MAX_BITLEN;
	461	p->prefix.es_addr.ip.ipa_type = IPADDR_V4;
	462	p->prefix.es_addr.ip.ipaddr_v4 = originator_ip;
	463	memcpy(&p->prefix.es_addr.esi, esi, sizeof(esi_t));
	464	}
	465
486456ca MK	466	static inline int evpn_default_originate_set(struct bgp *bgp, afi_t afi,
	467	safi_t safi)
	468	{
	469	if (afi == AFI_IP &&
	470	CHECK_FLAG(bgp->af_flags[AFI_L2VPN][SAFI_EVPN],
	471	BGP_L2VPN_EVPN_DEFAULT_ORIGINATE_IPV4))
	472	return 1;
	473	else if (afi == AFI_IP6 &&
	474	CHECK_FLAG(bgp->af_flags[AFI_L2VPN][SAFI_EVPN],
	475	BGP_L2VPN_EVPN_DEFAULT_ORIGINATE_IPV6))
	476	return 1;
	477	return 0;
	478	}
	479
50f74cf1	480	static inline void es_get_system_mac(esi_t *esi,
	481	struct ethaddr *mac)
	482	{
2bb9eff4 DS	483	/*
	484	* for type-1 and type-3 ESIs,
	485	* the system mac starts at val[1]
50f74cf1	486	*/
	487	memcpy(mac, &esi->val[1], ETH_ALEN);
	488	}
	489
	490	static inline int is_es_local(struct evpnes *es)
	491	{
	492	return CHECK_FLAG(es->flags, EVPNES_LOCAL) ? 1 : 0;
	493	}
	494
5fd9c12b KA	495	extern void bgp_evpn_install_uninstall_default_route(struct bgp *bgp_vrf,
	496	afi_t afi, safi_t safi,
	497	bool add);
996c9314	498	extern void evpn_rt_delete_auto(struct bgp , vni_t, struct list );
523cafc4	499	extern void bgp_evpn_configure_export_rt_for_vrf(struct bgp *bgp_vrf,
	500	struct ecommunity *ecomadd);
	501	extern void bgp_evpn_unconfigure_export_rt_for_vrf(struct bgp *bgp_vrf,
	502	struct ecommunity *ecomdel);
	503	extern void bgp_evpn_configure_import_rt_for_vrf(struct bgp *bgp_vrf,
	504	struct ecommunity *ecomadd);
	505	extern void bgp_evpn_unconfigure_import_rt_for_vrf(struct bgp *bgp_vrf,
	506	struct ecommunity *ecomdel);
d62a17ae	507	extern int bgp_evpn_handle_export_rt_change(struct bgp *bgp,
d62a17ae	508	struct bgpevpn *vpn);
bf1061d8	509	extern void bgp_evpn_handle_autort_change(struct bgp *bgp);
676f83b9	510	extern void bgp_evpn_handle_vrf_rd_change(struct bgp *bgp_vrf, int withdraw);
d62a17ae	511	extern void bgp_evpn_handle_rd_change(struct bgp bgp, struct bgpevpn vpn,
	512	int withdraw);
	513	extern int bgp_evpn_install_routes(struct bgp bgp, struct bgpevpn vpn);
	514	extern int bgp_evpn_uninstall_routes(struct bgp bgp, struct bgpevpn vpn);
523cafc4	515	extern void bgp_evpn_map_vrf_to_its_rts(struct bgp *bgp_vrf);
523cafc4	516	extern void bgp_evpn_unmap_vrf_from_its_rts(struct bgp *bgp_vrf);
d62a17ae	517	extern void bgp_evpn_map_vni_to_its_rts(struct bgp bgp, struct bgpevpn vpn);
	518	extern void bgp_evpn_unmap_vni_from_its_rts(struct bgp *bgp,
	519	struct bgpevpn *vpn);
	520	extern void bgp_evpn_derive_auto_rt_import(struct bgp *bgp,
	521	struct bgpevpn *vpn);
	522	extern void bgp_evpn_derive_auto_rt_export(struct bgp *bgp,
	523	struct bgpevpn *vpn);
	524	extern void bgp_evpn_derive_auto_rd(struct bgp bgp, struct bgpevpn vpn);
676f83b9	525	extern void bgp_evpn_derive_auto_rd_for_vrf(struct bgp *bgp);
d62a17ae	526	extern struct bgpevpn bgp_evpn_lookup_vni(struct bgp bgp, vni_t vni);
d62a17ae	527	extern struct bgpevpn bgp_evpn_new(struct bgp bgp, vni_t vni,
29c53922 MK	528	struct in_addr originator_ip,
29c53922 MK	529	vrf_id_t tenant_vrf_id);
d62a17ae	530	extern void bgp_evpn_free(struct bgp bgp, struct bgpevpn vpn);
50f74cf1	531	extern struct evpnes bgp_evpn_lookup_es(struct bgp bgp, esi_t *esi);
	532	extern struct evpnes bgp_evpn_es_new(struct bgp bgp, esi_t *esi,
	533	struct ipaddr *originator_ip);
	534	extern void bgp_evpn_es_free(struct bgp bgp, struct evpnes es);
7df407ed	535	extern bool bgp_evpn_lookup_l3vni_l2vni_table(vni_t vni);
a4168ebc	536	#endif /* _BGP_EVPN_PRIVATE_H */