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_info
*ri
)
81 struct bgp_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 /* See if the parent is of family L2VPN/EVPN */
92 parent_ri
= (struct bgp_info
*)ri
->extra
->parent
;
96 table
= bgp_node_table(rn
);
98 table
->afi
== AFI_L2VPN
&&
99 table
->safi
== SAFI_EVPN
)
104 extern void bgp_evpn_advertise_type5_route(struct bgp
*bgp_vrf
,
106 struct attr
*src_attr
, afi_t afi
,
108 extern void bgp_evpn_withdraw_type5_route(struct bgp
*bgp_vrf
, struct prefix
*p
,
109 afi_t afi
, safi_t safi
);
110 extern void bgp_evpn_withdraw_type5_routes(struct bgp
*bgp_vrf
, afi_t afi
,
112 extern void bgp_evpn_advertise_type5_routes(struct bgp
*bgp_vrf
, afi_t afi
,
114 extern void bgp_evpn_vrf_delete(struct bgp
*bgp_vrf
);
115 extern void bgp_evpn_handle_router_id_update(struct bgp
*bgp
, int withdraw
);
116 extern char *bgp_evpn_label2str(mpls_label_t
*label
, uint32_t num_labels
,
118 extern char *bgp_evpn_route2str(struct prefix_evpn
*p
, char *buf
, int len
);
119 extern void bgp_evpn_route2json(struct prefix_evpn
*p
, json_object
*json
);
120 extern void bgp_evpn_encode_prefix(struct stream
*s
, struct prefix
*p
,
121 struct prefix_rd
*prd
, mpls_label_t
*label
,
122 uint32_t num_labels
, struct attr
*attr
,
123 int addpath_encode
, uint32_t addpath_tx_id
);
124 extern int bgp_nlri_parse_evpn(struct peer
*peer
, struct attr
*attr
,
125 struct bgp_nlri
*packet
, int withdraw
);
126 extern int bgp_evpn_import_route(struct bgp
*bgp
, afi_t afi
, safi_t safi
,
127 struct prefix
*p
, struct bgp_info
*ri
);
128 extern int bgp_evpn_unimport_route(struct bgp
*bgp
, afi_t afi
, safi_t safi
,
129 struct prefix
*p
, struct bgp_info
*ri
);
130 extern int bgp_filter_evpn_routes_upon_martian_nh_change(struct bgp
*bgp
);
131 extern int bgp_evpn_local_macip_del(struct bgp
*bgp
, vni_t vni
,
132 struct ethaddr
*mac
, struct ipaddr
*ip
);
133 extern int bgp_evpn_local_macip_add(struct bgp
*bgp
, vni_t vni
,
134 struct ethaddr
*mac
, struct ipaddr
*ip
,
136 extern int bgp_evpn_local_l3vni_add(vni_t vni
, vrf_id_t vrf_id
,
137 struct ethaddr
*rmac
,
138 struct in_addr originator_ip
, int filter
);
139 extern int bgp_evpn_local_l3vni_del(vni_t vni
, vrf_id_t vrf_id
);
140 extern int bgp_evpn_local_vni_del(struct bgp
*bgp
, vni_t vni
);
141 extern int bgp_evpn_local_vni_add(struct bgp
*bgp
, vni_t vni
,
142 struct in_addr originator_ip
,
143 vrf_id_t tenant_vrf_id
);
144 extern int bgp_evpn_local_es_add(struct bgp
*bgp
, esi_t
*esi
,
145 struct ipaddr
*originator_ip
);
146 extern int bgp_evpn_local_es_del(struct bgp
*bgp
, esi_t
*esi
,
147 struct ipaddr
*originator_ip
);
148 extern void bgp_evpn_cleanup_on_disable(struct bgp
*bgp
);
149 extern void bgp_evpn_cleanup(struct bgp
*bgp
);
150 extern void bgp_evpn_init(struct bgp
*bgp
);
152 #endif /* _QUAGGA_BGP_EVPN_H */