1 /* E-VPN header for packet handling
2 * Copyright (C) 2016 6WIND
4 * This file is part of FRRouting.
6 * FRRouting 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
11 * FRRouting 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.
16 * You should have received a copy of the GNU General Public License along
17 * with this program; see the file COPYING; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
21 #ifndef _QUAGGA_BGP_EVPN_H
22 #define _QUAGGA_BGP_EVPN_H
27 #define EVPN_ROUTE_STRLEN 200 /* Must be >> MAC + IPv6 strings. */
28 #define EVPN_AUTORT_VXLAN 0x10000000
30 static inline int is_evpn_enabled(void)
32 struct bgp
*bgp
= NULL
;
34 bgp
= bgp_get_default();
35 return bgp
? bgp
->advertise_all_vni
: 0;
38 static inline void vni2label(vni_t vni
, mpls_label_t
*label
)
40 uint8_t *tag
= (uint8_t *)label
;
42 tag
[0] = (vni
>> 16) & 0xFF;
43 tag
[1] = (vni
>> 8) & 0xFF;
47 static inline vni_t
label2vni(mpls_label_t
*label
)
49 uint8_t *tag
= (uint8_t *)label
;
52 vni
= ((uint32_t)*tag
++ << 16);
53 vni
|= (uint32_t)*tag
++ << 8;
54 vni
|= (uint32_t)(*tag
& 0xFF);
59 static inline int advertise_type5_routes(struct bgp
*bgp_vrf
,
66 CHECK_FLAG(bgp_vrf
->af_flags
[AFI_L2VPN
][SAFI_EVPN
],
67 BGP_L2VPN_EVPN_ADVERTISE_IPV4_UNICAST
))
71 CHECK_FLAG(bgp_vrf
->af_flags
[AFI_L2VPN
][SAFI_EVPN
],
72 BGP_L2VPN_EVPN_ADVERTISE_IPV6_UNICAST
))
78 /* Flag if the route's parent is a EVPN route. */
79 static inline int is_route_parent_evpn(struct bgp_path_info
*ri
)
81 struct bgp_path_info
*parent_ri
;
82 struct bgp_table
*table
;
85 /* If not imported (or doesn't have a parent), bail. */
86 if (ri
->sub_type
!= BGP_ROUTE_IMPORTED
||
91 /* Determine parent recursively */
92 for (parent_ri
= ri
->extra
->parent
;
93 parent_ri
->extra
&& parent_ri
->extra
->parent
;
94 parent_ri
= parent_ri
->extra
->parent
)
97 /* See if of family L2VPN/EVPN */
101 table
= bgp_node_table(rn
);
103 table
->afi
== AFI_L2VPN
&&
104 table
->safi
== SAFI_EVPN
)
109 /* Flag if the route path's family is EVPN. */
110 static inline bool is_pi_family_evpn(struct bgp_path_info
*pi
)
112 return is_pi_family_matching(pi
, AFI_L2VPN
, SAFI_EVPN
);
115 /* Flag if the route is injectable into EVPN. This would be either a
116 * non-imported route or a non-EVPN imported route.
118 static inline bool is_route_injectable_into_evpn(struct bgp_path_info
*pi
)
120 struct bgp_path_info
*parent_pi
;
121 struct bgp_table
*table
;
124 if (pi
->sub_type
!= BGP_ROUTE_IMPORTED
||
129 parent_pi
= (struct bgp_path_info
*)pi
->extra
->parent
;
133 table
= bgp_node_table(rn
);
135 table
->afi
== AFI_L2VPN
&&
136 table
->safi
== SAFI_EVPN
)
141 extern void bgp_evpn_advertise_type5_route(struct bgp
*bgp_vrf
,
143 struct attr
*src_attr
, afi_t afi
,
145 extern void bgp_evpn_withdraw_type5_route(struct bgp
*bgp_vrf
, struct prefix
*p
,
146 afi_t afi
, safi_t safi
);
147 extern void bgp_evpn_withdraw_type5_routes(struct bgp
*bgp_vrf
, afi_t afi
,
149 extern void bgp_evpn_advertise_type5_routes(struct bgp
*bgp_vrf
, afi_t afi
,
151 extern void bgp_evpn_vrf_delete(struct bgp
*bgp_vrf
);
152 extern void bgp_evpn_handle_router_id_update(struct bgp
*bgp
, int withdraw
);
153 extern char *bgp_evpn_label2str(mpls_label_t
*label
, uint32_t num_labels
,
155 extern char *bgp_evpn_route2str(struct prefix_evpn
*p
, char *buf
, int len
);
156 extern void bgp_evpn_route2json(struct prefix_evpn
*p
, json_object
*json
);
157 extern void bgp_evpn_encode_prefix(struct stream
*s
, struct prefix
*p
,
158 struct prefix_rd
*prd
, mpls_label_t
*label
,
159 uint32_t num_labels
, struct attr
*attr
,
160 int addpath_encode
, uint32_t addpath_tx_id
);
161 extern int bgp_nlri_parse_evpn(struct peer
*peer
, struct attr
*attr
,
162 struct bgp_nlri
*packet
, int withdraw
);
163 extern int bgp_evpn_import_route(struct bgp
*bgp
, afi_t afi
, safi_t safi
,
164 struct prefix
*p
, struct bgp_path_info
*ri
);
165 extern int bgp_evpn_unimport_route(struct bgp
*bgp
, afi_t afi
, safi_t safi
,
166 struct prefix
*p
, struct bgp_path_info
*ri
);
167 extern int bgp_filter_evpn_routes_upon_martian_nh_change(struct bgp
*bgp
);
168 extern int bgp_evpn_local_macip_del(struct bgp
*bgp
, vni_t vni
,
169 struct ethaddr
*mac
, struct ipaddr
*ip
,
171 extern int bgp_evpn_local_macip_add(struct bgp
*bgp
, vni_t vni
,
172 struct ethaddr
*mac
, struct ipaddr
*ip
,
173 uint8_t flags
, uint32_t seq
);
174 extern int bgp_evpn_local_l3vni_add(vni_t vni
, vrf_id_t vrf_id
,
175 struct ethaddr
*rmac
,
176 struct in_addr originator_ip
, int filter
,
177 ifindex_t svi_ifindex
);
178 extern int bgp_evpn_local_l3vni_del(vni_t vni
, vrf_id_t vrf_id
);
179 extern int bgp_evpn_local_vni_del(struct bgp
*bgp
, vni_t vni
);
180 extern int bgp_evpn_local_vni_add(struct bgp
*bgp
, vni_t vni
,
181 struct in_addr originator_ip
,
182 vrf_id_t tenant_vrf_id
);
183 extern int bgp_evpn_local_es_add(struct bgp
*bgp
, esi_t
*esi
,
184 struct ipaddr
*originator_ip
);
185 extern int bgp_evpn_local_es_del(struct bgp
*bgp
, esi_t
*esi
,
186 struct ipaddr
*originator_ip
);
187 extern void bgp_evpn_flood_control_change(struct bgp
*bgp
);
188 extern void bgp_evpn_cleanup_on_disable(struct bgp
*bgp
);
189 extern void bgp_evpn_cleanup(struct bgp
*bgp
);
190 extern void bgp_evpn_init(struct bgp
*bgp
);
192 #endif /* _QUAGGA_BGP_EVPN_H */