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7ef5a232 | 1 | /* E-VPN header for packet handling |
896014f4 DL |
2 | * Copyright (C) 2016 6WIND |
3 | * | |
4 | * This file is part of FRRouting. | |
5 | * | |
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 | |
9 | * later version. | |
10 | * | |
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. | |
15 | * | |
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 | |
19 | */ | |
7ef5a232 PG |
20 | |
21 | #ifndef _QUAGGA_BGP_EVPN_H | |
22 | #define _QUAGGA_BGP_EVPN_H | |
23 | ||
128ea8ab | 24 | #include "vxlan.h" |
94c2f693 | 25 | #include "bgpd.h" |
7ef5a232 | 26 | |
520d5d76 | 27 | #define EVPN_ROUTE_STRLEN 200 /* Must be >> MAC + IPv6 strings. */ |
28 | ||
94c2f693 MK |
29 | static inline int is_evpn_enabled(void) |
30 | { | |
31 | struct bgp *bgp = NULL; | |
32 | ||
33 | bgp = bgp_get_default(); | |
34 | return bgp ? bgp->advertise_all_vni : 0; | |
35 | } | |
36 | ||
b57ba6d2 MK |
37 | static inline void vni2label(vni_t vni, mpls_label_t *label) |
38 | { | |
d7c0a89a | 39 | uint8_t *tag = (uint8_t *)label; |
b57ba6d2 MK |
40 | |
41 | tag[0] = (vni >> 16) & 0xFF; | |
42 | tag[1] = (vni >> 8) & 0xFF; | |
43 | tag[2] = vni & 0xFF; | |
44 | } | |
45 | ||
46 | static inline vni_t label2vni(mpls_label_t *label) | |
47 | { | |
d7c0a89a | 48 | uint8_t *tag = (uint8_t *)label; |
b57ba6d2 MK |
49 | vni_t vni; |
50 | ||
d7c0a89a QY |
51 | vni = ((uint32_t)*tag++ << 16); |
52 | vni |= (uint32_t)*tag++ << 8; | |
53 | vni |= (uint32_t)(*tag & 0xFF); | |
b57ba6d2 MK |
54 | |
55 | return vni; | |
56 | } | |
57 | ||
fdf19f06 MK |
58 | static inline int advertise_type5_routes(struct bgp *bgp_vrf, |
59 | afi_t afi) | |
60 | { | |
61 | if (!bgp_vrf->l3vni) | |
62 | return 0; | |
63 | ||
64 | if (afi == AFI_IP && | |
154faa50 MK |
65 | CHECK_FLAG(bgp_vrf->af_flags[AFI_L2VPN][SAFI_EVPN], |
66 | BGP_L2VPN_EVPN_ADVERTISE_IPV4_UNICAST)) | |
fdf19f06 MK |
67 | return 1; |
68 | ||
69 | if (afi == AFI_IP6 && | |
154faa50 MK |
70 | CHECK_FLAG(bgp_vrf->af_flags[AFI_L2VPN][SAFI_EVPN], |
71 | BGP_L2VPN_EVPN_ADVERTISE_IPV6_UNICAST)) | |
fdf19f06 MK |
72 | return 1; |
73 | ||
74 | return 0; | |
75 | } | |
76 | ||
88493076 | 77 | /* Flag if the route's parent is a EVPN route. */ |
78 | static inline int is_route_parent_evpn(struct bgp_info *ri) | |
79 | { | |
80 | struct bgp_info *parent_ri; | |
81 | struct bgp_table *table; | |
82 | struct bgp_node *rn; | |
83 | ||
84 | /* If not imported (or doesn't have a parent), bail. */ | |
85 | if (ri->sub_type != BGP_ROUTE_IMPORTED || | |
86 | !ri->extra || | |
87 | !ri->extra->parent) | |
88 | return 0; | |
89 | ||
90 | /* See if the parent is of family L2VPN/EVPN */ | |
91 | parent_ri = (struct bgp_info *)ri->extra->parent; | |
92 | rn = parent_ri->net; | |
93 | if (!rn) | |
94 | return 0; | |
95 | table = bgp_node_table(rn); | |
96 | if (table && | |
97 | table->afi == AFI_L2VPN && | |
98 | table->safi == SAFI_EVPN) | |
99 | return 1; | |
100 | return 0; | |
101 | } | |
102 | ||
5424b7ba | 103 | extern void bgp_evpn_advertise_type5_route(struct bgp *bgp_vrf, |
31310b25 | 104 | struct prefix *p, |
996c9314 LB |
105 | struct attr *src_attr, afi_t afi, |
106 | safi_t safi); | |
107 | extern void bgp_evpn_withdraw_type5_route(struct bgp *bgp_vrf, struct prefix *p, | |
5424b7ba | 108 | afi_t afi, safi_t safi); |
053905d2 MK |
109 | extern void bgp_evpn_withdraw_type5_routes(struct bgp *bgp_vrf, afi_t afi, |
110 | safi_t safi); | |
111 | extern void bgp_evpn_advertise_type5_routes(struct bgp *bgp_vrf, afi_t afi, | |
112 | safi_t safi); | |
523cafc4 | 113 | extern void bgp_evpn_vrf_delete(struct bgp *bgp_vrf); |
d62a17ae | 114 | extern void bgp_evpn_handle_router_id_update(struct bgp *bgp, int withdraw); |
d7c0a89a | 115 | extern char *bgp_evpn_label2str(mpls_label_t *label, uint32_t num_labels, |
b57ba6d2 | 116 | char *buf, int len); |
d62a17ae | 117 | extern char *bgp_evpn_route2str(struct prefix_evpn *p, char *buf, int len); |
b682f6de | 118 | extern void bgp_evpn_route2json(struct prefix_evpn *p, json_object *json); |
d62a17ae | 119 | extern void bgp_evpn_encode_prefix(struct stream *s, struct prefix *p, |
996c9314 | 120 | struct prefix_rd *prd, mpls_label_t *label, |
d7c0a89a QY |
121 | uint32_t num_labels, struct attr *attr, |
122 | int addpath_encode, uint32_t addpath_tx_id); | |
128ea8ab | 123 | extern int bgp_nlri_parse_evpn(struct peer *peer, struct attr *attr, |
124 | struct bgp_nlri *packet, int withdraw); | |
d62a17ae | 125 | extern int bgp_evpn_import_route(struct bgp *bgp, afi_t afi, safi_t safi, |
126 | struct prefix *p, struct bgp_info *ri); | |
127 | extern int bgp_evpn_unimport_route(struct bgp *bgp, afi_t afi, safi_t safi, | |
128 | struct prefix *p, struct bgp_info *ri); | |
db0e1937 | 129 | extern int bgp_filter_evpn_routes_upon_martian_nh_change(struct bgp *bgp); |
d62a17ae | 130 | extern int bgp_evpn_local_macip_del(struct bgp *bgp, vni_t vni, |
131 | struct ethaddr *mac, struct ipaddr *ip); | |
132 | extern int bgp_evpn_local_macip_add(struct bgp *bgp, vni_t vni, | |
133 | struct ethaddr *mac, struct ipaddr *ip, | |
d7c0a89a | 134 | uint8_t flags); |
523cafc4 | 135 | extern int bgp_evpn_local_l3vni_add(vni_t vni, vrf_id_t vrf_id, |
136 | struct ethaddr *rmac, | |
996c9314 | 137 | struct in_addr originator_ip, int filter); |
523cafc4 | 138 | extern int bgp_evpn_local_l3vni_del(vni_t vni, vrf_id_t vrf_id); |
d62a17ae | 139 | extern int bgp_evpn_local_vni_del(struct bgp *bgp, vni_t vni); |
140 | extern int bgp_evpn_local_vni_add(struct bgp *bgp, vni_t vni, | |
29c53922 MK |
141 | struct in_addr originator_ip, |
142 | vrf_id_t tenant_vrf_id); | |
d62a17ae | 143 | extern void bgp_evpn_cleanup_on_disable(struct bgp *bgp); |
144 | extern void bgp_evpn_cleanup(struct bgp *bgp); | |
145 | extern void bgp_evpn_init(struct bgp *bgp); | |
14c1a7bf | 146 | |
128ea8ab | 147 | #endif /* _QUAGGA_BGP_EVPN_H */ |