zebra/zebra_evpn_vxlan.h

   1 /*
   2  * Zebra EVPN for VxLAN code
   3  * Copyright (C) 2016, 2017 Cumulus Networks, Inc.
   4  *
   5  * This file is part of FRR.
   6  *
   7  * FRR is free software; you can redistribute it and/or modify it
   8  * under the terms of the GNU General Public License as published by the
   9  * Free Software Foundation; either version 2, or (at your option) any
  10  * later version.
  11  *
  12  * FRR is distributed in the hope that it will be useful, but
  13  * WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with FRR; see the file COPYING.  If not, write to the Free
  19  * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
  20  * 02111-1307, USA.
  21  */
  22
  23 /* Get the VRR interface for SVI if any */
  24 static inline struct interface *
  25 zebra_get_vrr_intf_for_svi(struct interface *ifp)
  26 {
  27         struct zebra_vrf *zvrf = NULL;
  28         struct interface *tmp_if = NULL;
  29         struct zebra_if *zif = NULL;
  30
  31         zvrf = vrf_info_lookup(ifp->vrf_id);
  32         assert(zvrf);
  33
  34         FOR_ALL_INTERFACES (zvrf->vrf, tmp_if) {
  35                 zif = tmp_if->info;
  36                 if (!zif)
  37                         continue;
  38
  39                 if (!IS_ZEBRA_IF_MACVLAN(tmp_if))
  40                         continue;
  41
  42                 if (zif->link == ifp)
  43                         return tmp_if;
  44         }
  45
  46         return NULL;
  47 }
  48
  49 /* EVPN<=>vxlan_zif association */
  50 static inline void zevpn_vxlan_if_set(zebra_evpn_t *zevpn,
  51                                       struct interface *ifp, bool set)
  52 {
  53         struct zebra_if *zif;
  54
  55         if (set) {
  56                 if (zevpn->vxlan_if == ifp)
  57                         return;
  58                 zevpn->vxlan_if = ifp;
  59         } else {
  60                 if (!zevpn->vxlan_if)
  61                         return;
  62                 zevpn->vxlan_if = NULL;
  63         }
  64
  65         if (ifp)
  66                 zif = ifp->info;
  67         else
  68                 zif = NULL;
  69
  70         zebra_evpn_vxl_evpn_set(zif, zevpn, set);
  71 }