2 * Zebra VxLAN (EVPN) Data structures and definitions
3 * These are "internal" to this function.
4 * Copyright (C) 2016, 2017 Cumulus Networks, Inc.
6 * This file is part of FRR.
8 * FRR is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License as published by the
10 * Free Software Foundation; either version 2, or (at your option) any
13 * FRR is distributed in the hope that it will be useful, but
14 * WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with FRR; see the file COPYING. If not, write to the Free
20 * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
24 #ifndef _ZEBRA_VXLAN_PRIVATE_H
25 #define _ZEBRA_VXLAN_PRIVATE_H
31 #include "zebra_vxlan.h"
32 #include "zebra_evpn.h"
33 #include "zebra_evpn_mac.h"
39 #define ERR_STR_SZ 256
42 typedef struct zebra_l3vni_t_ zebra_l3vni_t
;
45 /* L3 VNI hash table */
46 struct zebra_l3vni_t_
{
55 #define PREFIX_ROUTES_ONLY (1 << 0) /* l3-vni used for prefix routes only */
58 struct in_addr local_vtep_ip
;
60 /* kernel interface for l3vni */
61 struct interface
*vxlan_if
;
63 /* SVI interface corresponding to the l3vni */
64 struct interface
*svi_if
;
66 struct interface
*mac_vlan_if
;
68 /* list of L2 VNIs associated with the L3 VNI */
71 /* list of remote router-macs */
72 struct hash
*rmac_table
;
74 /* list of remote vtep-ip neigh */
75 struct hash
*nh_table
;
78 /* get the vx-intf name for l3vni */
79 static inline const char *zl3vni_vxlan_if_name(zebra_l3vni_t
*zl3vni
)
81 return zl3vni
->vxlan_if
? zl3vni
->vxlan_if
->name
: "None";
84 /* get the svi intf name for l3vni */
85 static inline const char *zl3vni_svi_if_name(zebra_l3vni_t
*zl3vni
)
87 return zl3vni
->svi_if
? zl3vni
->svi_if
->name
: "None";
90 /* get the vrf name for l3vni */
91 static inline const char *zl3vni_vrf_name(zebra_l3vni_t
*zl3vni
)
93 return vrf_id_to_name(zl3vni
->vrf_id
);
96 /* get the rmac string */
97 static inline const char *zl3vni_rmac2str(zebra_l3vni_t
*zl3vni
, char *buf
,
103 ptr
= XMALLOC(MTYPE_TMP
, ETHER_ADDR_STRLEN
* sizeof(char));
105 assert(size
>= ETHER_ADDR_STRLEN
);
109 if (zl3vni
->mac_vlan_if
)
110 snprintf(ptr
, (ETHER_ADDR_STRLEN
),
111 "%02x:%02x:%02x:%02x:%02x:%02x",
112 (uint8_t)zl3vni
->mac_vlan_if
->hw_addr
[0],
113 (uint8_t)zl3vni
->mac_vlan_if
->hw_addr
[1],
114 (uint8_t)zl3vni
->mac_vlan_if
->hw_addr
[2],
115 (uint8_t)zl3vni
->mac_vlan_if
->hw_addr
[3],
116 (uint8_t)zl3vni
->mac_vlan_if
->hw_addr
[4],
117 (uint8_t)zl3vni
->mac_vlan_if
->hw_addr
[5]);
118 else if (zl3vni
->svi_if
)
119 snprintf(ptr
, (ETHER_ADDR_STRLEN
),
120 "%02x:%02x:%02x:%02x:%02x:%02x",
121 (uint8_t)zl3vni
->svi_if
->hw_addr
[0],
122 (uint8_t)zl3vni
->svi_if
->hw_addr
[1],
123 (uint8_t)zl3vni
->svi_if
->hw_addr
[2],
124 (uint8_t)zl3vni
->svi_if
->hw_addr
[3],
125 (uint8_t)zl3vni
->svi_if
->hw_addr
[4],
126 (uint8_t)zl3vni
->svi_if
->hw_addr
[5]);
128 snprintf(ptr
, ETHER_ADDR_STRLEN
, "None");
133 /* get the sys mac string */
134 static inline const char *zl3vni_sysmac2str(zebra_l3vni_t
*zl3vni
, char *buf
,
140 ptr
= XMALLOC(MTYPE_TMP
, ETHER_ADDR_STRLEN
* sizeof(char));
142 assert(size
>= ETHER_ADDR_STRLEN
);
147 snprintf(ptr
, (ETHER_ADDR_STRLEN
),
148 "%02x:%02x:%02x:%02x:%02x:%02x",
149 (uint8_t)zl3vni
->svi_if
->hw_addr
[0],
150 (uint8_t)zl3vni
->svi_if
->hw_addr
[1],
151 (uint8_t)zl3vni
->svi_if
->hw_addr
[2],
152 (uint8_t)zl3vni
->svi_if
->hw_addr
[3],
153 (uint8_t)zl3vni
->svi_if
->hw_addr
[4],
154 (uint8_t)zl3vni
->svi_if
->hw_addr
[5]);
156 snprintf(ptr
, ETHER_ADDR_STRLEN
, "None");
162 * l3-vni is oper up when:
163 * 0. if EVPN is enabled (advertise-all-vni cfged)
164 * 1. it is associated to a vxlan-intf
165 * 2. Associated vxlan-intf is oper up
166 * 3. it is associated to an SVI
167 * 4. associated SVI is oper up
169 static inline int is_l3vni_oper_up(zebra_l3vni_t
*zl3vni
)
171 return (is_evpn_enabled() && zl3vni
&& (zl3vni
->vrf_id
!= VRF_UNKNOWN
)
172 && zl3vni
->vxlan_if
&& if_is_operative(zl3vni
->vxlan_if
)
173 && zl3vni
->svi_if
&& if_is_operative(zl3vni
->svi_if
));
176 static inline const char *zl3vni_state2str(zebra_l3vni_t
*zl3vni
)
181 if (is_l3vni_oper_up(zl3vni
))
189 static inline vrf_id_t
zl3vni_vrf_id(zebra_l3vni_t
*zl3vni
)
191 return zl3vni
->vrf_id
;
194 static inline void zl3vni_get_svi_rmac(zebra_l3vni_t
*zl3vni
,
195 struct ethaddr
*rmac
)
200 if (!is_l3vni_oper_up(zl3vni
))
203 if (zl3vni
->svi_if
&& if_is_operative(zl3vni
->svi_if
))
204 memcpy(rmac
->octet
, zl3vni
->svi_if
->hw_addr
, ETH_ALEN
);
208 /* context for neigh hash walk - update l3vni and rmac */
209 struct neigh_l3info_walk_ctx
{
212 zebra_l3vni_t
*zl3vni
;
219 struct json_object
*json
;
222 extern zebra_l3vni_t
*zl3vni_from_vrf(vrf_id_t vrf_id
);
223 extern struct interface
*zl3vni_map_to_vxlan_if(zebra_l3vni_t
*zl3vni
);
224 extern struct interface
*zl3vni_map_to_svi_if(zebra_l3vni_t
*zl3vni
);
225 extern struct interface
*zl3vni_map_to_mac_vlan_if(zebra_l3vni_t
*zl3vni
);
226 extern zebra_l3vni_t
*zl3vni_lookup(vni_t vni
);
228 DECLARE_HOOK(zebra_rmac_update
, (zebra_mac_t
*rmac
, zebra_l3vni_t
*zl3vni
,
229 bool delete, const char *reason
), (rmac
, zl3vni
, delete, reason
))
237 * Multicast hash table.
239 * This table contains -
240 * 1. The (S, G) entries used for encapsulating and forwarding BUM traffic.
241 * S is the local VTEP-IP and G is a BUM mcast group address.
242 * 2. The (X, G) entries used for terminating a BUM flow.
243 * Multiple L2-VNIs can share the same MDT hence the need to maintain
244 * an aggregated table that pimd can consume without much
247 typedef struct zebra_vxlan_sg_
{
248 struct zebra_vrf
*zvrf
;
251 char sg_str
[PREFIX_SG_STR_LEN
];
253 /* For SG - num of L2 VNIs using this entry for sending BUM traffic */
254 /* For XG - num of SG using this as parent */
258 extern zebra_evpn_t
*zevpn_lookup(vni_t vni
);
259 extern void zebra_vxlan_sync_mac_dp_install(zebra_mac_t
*mac
, bool set_inactive
,
260 bool force_clear_static
, const char *caller
);
262 #endif /* _ZEBRA_VXLAN_PRIVATE_H */