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b2998086 PR |
1 | /* |
2 | * Zebra EVPN Data structures and definitions | |
3 | * These are "internal" to this function. | |
4 | * Copyright (C) 2016, 2017 Cumulus Networks, Inc. | |
5 | * Copyright (C) 2020 Volta Networks. | |
6 | * | |
7 | * This file is part of FRR. | |
8 | * | |
9 | * FRR is free software; you can redistribute it and/or modify it | |
10 | * under the terms of the GNU General Public License as published by the | |
11 | * Free Software Foundation; either version 2, or (at your option) any | |
12 | * later version. | |
13 | * | |
14 | * FRR is distributed in the hope that it will be useful, but | |
15 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
17 | * General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with FRR; see the file COPYING. If not, write to the Free | |
21 | * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA | |
22 | * 02111-1307, USA. | |
23 | */ | |
24 | ||
25 | #ifndef _ZEBRA_EVPN_H | |
26 | #define _ZEBRA_EVPN_H | |
27 | ||
28 | #include <zebra.h> | |
29 | ||
30 | #include "if.h" | |
31 | #include "linklist.h" | |
7cbae20a PR |
32 | #include "bitfield.h" |
33 | ||
34 | #include "zebra/zebra_l2.h" | |
35 | #include "zebra/interface.h" | |
b2998086 PR |
36 | |
37 | #ifdef __cplusplus | |
38 | extern "C" { | |
39 | #endif | |
40 | ||
b2998086 PR |
41 | RB_HEAD(zebra_es_evi_rb_head, zebra_evpn_es_evi); |
42 | RB_PROTOTYPE(zebra_es_evi_rb_head, zebra_evpn_es_evi, rb_node, | |
43 | zebra_es_evi_rb_cmp); | |
44 | ||
8b5fdf2e PR |
45 | /* Private Structure to pass callback data for hash iterator */ |
46 | struct zebra_evpn_show { | |
47 | struct vty *vty; | |
48 | json_object *json; | |
49 | struct zebra_vrf *zvrf; | |
50 | bool use_json; | |
51 | }; | |
52 | ||
b2998086 PR |
53 | /* |
54 | * VTEP info | |
55 | * | |
56 | * Right now, this just has each remote VTEP's IP address. | |
57 | */ | |
c172c032 | 58 | struct zebra_vtep { |
b2998086 PR |
59 | /* Remote IP. */ |
60 | /* NOTE: Can only be IPv4 right now. */ | |
61 | struct in_addr vtep_ip; | |
62 | /* Flood mode (one of enum vxlan_flood_control) based on the PMSI | |
63 | * tunnel type advertised by the remote VTEP | |
64 | */ | |
65 | int flood_control; | |
66 | ||
67 | /* Links. */ | |
c172c032 DS |
68 | struct zebra_vtep *next; |
69 | struct zebra_vtep *prev; | |
b2998086 PR |
70 | }; |
71 | ||
72 | /* | |
73 | * VNI hash table | |
74 | * | |
75 | * Contains information pertaining to a VNI: | |
76 | * - the list of remote VTEPs (with this VNI) | |
77 | */ | |
f6371c34 | 78 | struct zebra_evpn { |
b2998086 PR |
79 | /* VNI - key */ |
80 | vni_t vni; | |
81 | ||
82 | /* ES flags */ | |
83 | uint32_t flags; | |
84 | #define ZEVPN_READY_FOR_BGP (1 << 0) /* ready to be sent to BGP */ | |
85 | ||
86 | /* Flag for advertising gw macip */ | |
87 | uint8_t advertise_gw_macip; | |
88 | ||
89 | /* Flag for advertising svi macip */ | |
90 | uint8_t advertise_svi_macip; | |
91 | ||
92 | /* Flag for advertising gw macip */ | |
93 | uint8_t advertise_subnet; | |
94 | ||
95 | /* Corresponding VxLAN interface. */ | |
96 | struct interface *vxlan_if; | |
97 | ||
9daa5d47 AD |
98 | /* Corresponding SVI interface. */ |
99 | struct interface *svi_if; | |
100 | ||
b2998086 | 101 | /* List of remote VTEPs */ |
c172c032 | 102 | struct zebra_vtep *vteps; |
b2998086 PR |
103 | |
104 | /* Local IP */ | |
105 | struct in_addr local_vtep_ip; | |
106 | ||
107 | /* PIM-SM MDT group for BUM flooding */ | |
108 | struct in_addr mcast_grp; | |
109 | ||
110 | /* tenant VRF, if any */ | |
111 | vrf_id_t vrf_id; | |
112 | ||
113 | /* List of local or remote MAC */ | |
114 | struct hash *mac_table; | |
115 | ||
116 | /* List of local or remote neighbors (MAC+IP) */ | |
117 | struct hash *neigh_table; | |
118 | ||
119 | /* RB tree of ES-EVIs */ | |
120 | struct zebra_es_evi_rb_head es_evi_rb_tree; | |
121 | ||
122 | /* List of local ESs */ | |
123 | struct list *local_es_evi_list; | |
124 | }; | |
125 | ||
a237058f PG |
126 | /* for parsing evpn and vni contexts */ |
127 | struct zebra_from_svi_param { | |
128 | struct interface *br_if; | |
a1ce03e1 | 129 | struct interface *svi_if; |
a237058f PG |
130 | struct zebra_if *zif; |
131 | uint8_t bridge_vlan_aware; | |
132 | vlanid_t vid; | |
133 | }; | |
134 | ||
7cbae20a PR |
135 | struct interface *zvni_map_to_svi(vlanid_t vid, struct interface *br_if); |
136 | ||
f6371c34 | 137 | static inline struct interface *zevpn_map_to_svi(struct zebra_evpn *zevpn) |
7cbae20a PR |
138 | { |
139 | struct interface *ifp; | |
140 | struct zebra_if *zif = NULL; | |
141 | struct zebra_l2info_vxlan zl2_info; | |
142 | ||
143 | ifp = zevpn->vxlan_if; | |
144 | if (!ifp) | |
145 | return NULL; | |
146 | zif = ifp->info; | |
147 | if (!zif) | |
148 | return NULL; | |
149 | ||
150 | /* If down or not mapped to a bridge, we're done. */ | |
151 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) | |
152 | return NULL; | |
153 | zl2_info = zif->l2info.vxl; | |
154 | return zvni_map_to_svi(zl2_info.access_vlan, zif->brslave_info.br_if); | |
155 | } | |
156 | ||
f6371c34 DS |
157 | int advertise_gw_macip_enabled(struct zebra_evpn *zevpn); |
158 | int advertise_svi_macip_enabled(struct zebra_evpn *zevpn); | |
159 | void zebra_evpn_print(struct zebra_evpn *zevpn, void **ctxt); | |
8b5fdf2e PR |
160 | void zebra_evpn_print_hash(struct hash_bucket *bucket, void *ctxt[]); |
161 | void zebra_evpn_print_hash_detail(struct hash_bucket *bucket, void *data); | |
f6371c34 DS |
162 | int zebra_evpn_add_macip_for_intf(struct interface *ifp, |
163 | struct zebra_evpn *zevpn); | |
164 | int zebra_evpn_del_macip_for_intf(struct interface *ifp, | |
165 | struct zebra_evpn *zevpn); | |
166 | int zebra_evpn_advertise_subnet(struct zebra_evpn *zevpn, struct interface *ifp, | |
8b5fdf2e | 167 | int advertise); |
f6371c34 | 168 | int zebra_evpn_gw_macip_add(struct interface *ifp, struct zebra_evpn *zevpn, |
8b5fdf2e | 169 | struct ethaddr *macaddr, struct ipaddr *ip); |
f6371c34 | 170 | int zebra_evpn_gw_macip_del(struct interface *ifp, struct zebra_evpn *zevpn, |
8b5fdf2e PR |
171 | struct ipaddr *ip); |
172 | void zebra_evpn_gw_macip_del_for_evpn_hash(struct hash_bucket *bucket, | |
173 | void *ctxt); | |
174 | void zebra_evpn_gw_macip_add_for_evpn_hash(struct hash_bucket *bucket, | |
175 | void *ctxt); | |
176 | void zebra_evpn_svi_macip_del_for_evpn_hash(struct hash_bucket *bucket, | |
177 | void *ctxt); | |
f6371c34 DS |
178 | struct zebra_evpn *zebra_evpn_map_vlan(struct interface *ifp, |
179 | struct interface *br_if, vlanid_t vid); | |
180 | struct zebra_evpn *zebra_evpn_from_svi(struct interface *ifp, | |
181 | struct interface *br_if); | |
8b5fdf2e PR |
182 | struct interface *zebra_evpn_map_to_macvlan(struct interface *br_if, |
183 | struct interface *svi_if); | |
184 | void zebra_evpn_install_mac_hash(struct hash_bucket *bucket, void *ctxt); | |
f6371c34 | 185 | void zebra_evpn_read_mac_neigh(struct zebra_evpn *zevpn, struct interface *ifp); |
8b5fdf2e PR |
186 | unsigned int zebra_evpn_hash_keymake(const void *p); |
187 | bool zebra_evpn_hash_cmp(const void *p1, const void *p2); | |
188 | int zebra_evpn_list_cmp(void *p1, void *p2); | |
189 | void *zebra_evpn_alloc(void *p); | |
f6371c34 DS |
190 | struct zebra_evpn *zebra_evpn_lookup(vni_t vni); |
191 | struct zebra_evpn *zebra_evpn_add(vni_t vni); | |
192 | int zebra_evpn_del(struct zebra_evpn *zevpn); | |
193 | int zebra_evpn_send_add_to_client(struct zebra_evpn *zevpn); | |
194 | int zebra_evpn_send_del_to_client(struct zebra_evpn *zevpn); | |
c172c032 DS |
195 | struct zebra_vtep *zebra_evpn_vtep_find(struct zebra_evpn *zevpn, |
196 | struct in_addr *vtep_ip); | |
197 | struct zebra_vtep *zebra_evpn_vtep_add(struct zebra_evpn *zevpn, | |
198 | struct in_addr *vtep_ip, | |
199 | int flood_control); | |
200 | int zebra_evpn_vtep_del(struct zebra_evpn *zevpn, struct zebra_vtep *zvtep); | |
f6371c34 | 201 | int zebra_evpn_vtep_del_all(struct zebra_evpn *zevpn, int uninstall); |
c172c032 | 202 | int zebra_evpn_vtep_install(struct zebra_evpn *zevpn, struct zebra_vtep *zvtep); |
f6371c34 DS |
203 | int zebra_evpn_vtep_uninstall(struct zebra_evpn *zevpn, |
204 | struct in_addr *vtep_ip); | |
8b5fdf2e PR |
205 | void zebra_evpn_handle_flooding_remote_vteps(struct hash_bucket *bucket, |
206 | void *zvrf); | |
207 | void zebra_evpn_cleanup_all(struct hash_bucket *bucket, void *arg); | |
1a3bd37f MS |
208 | void zebra_evpn_rem_macip_add(vni_t vni, const struct ethaddr *macaddr, |
209 | uint16_t ipa_len, const struct ipaddr *ipaddr, | |
8b5fdf2e | 210 | uint8_t flags, uint32_t seq, |
1a3bd37f MS |
211 | struct in_addr vtep_ip, const esi_t *esi); |
212 | void zebra_evpn_rem_macip_del(vni_t vni, const struct ethaddr *macaddr, | |
213 | uint16_t ipa_len, const struct ipaddr *ipaddr, | |
8b5fdf2e PR |
214 | struct in_addr vtep_ip); |
215 | void zebra_evpn_cfg_cleanup(struct hash_bucket *bucket, void *ctxt); | |
224315f3 | 216 | |
b2998086 PR |
217 | #ifdef __cplusplus |
218 | } | |
219 | #endif | |
220 | ||
221 | #endif /*_ZEBRA_EVPN_H */ |