Line data    Source code

       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           0 : zebra_get_vrr_intf_for_svi(struct interface *ifp)
      26             : {
      27           0 :         struct zebra_vrf *zvrf = NULL;
      28           0 :         struct interface *tmp_if = NULL;
      29           0 :         struct zebra_if *zif = NULL;
      30             : 
      31           0 :         zvrf = ifp->vrf->info;
      32           0 :         assert(zvrf);
      33             : 
      34           0 :         FOR_ALL_INTERFACES (zvrf->vrf, tmp_if) {
      35           0 :                 zif = tmp_if->info;
      36           0 :                 if (!zif)
      37           0 :                         continue;
      38             : 
      39           0 :                 if (!IS_ZEBRA_IF_MACVLAN(tmp_if))
      40           0 :                         continue;
      41             : 
      42           0 :                 if (zif->link == ifp)
      43           0 :                         return tmp_if;
      44             :         }
      45             : 
      46             :         return NULL;
      47             : }
      48             : 
      49             : /* EVPN<=>vxlan_zif association */
      50           0 : static inline void zevpn_vxlan_if_set(struct zebra_evpn *zevpn,
      51             :                                       struct interface *ifp, bool set)
      52             : {
      53           0 :         struct zebra_if *zif;
      54             : 
      55           0 :         if (set) {
      56           0 :                 if (zevpn->vxlan_if == ifp)
      57             :                         return;
      58           0 :                 zevpn->vxlan_if = ifp;
      59             :         } else {
      60           0 :                 if (!zevpn->vxlan_if)
      61             :                         return;
      62           0 :                 zevpn->vxlan_if = NULL;
      63             :         }
      64             : 
      65           0 :         if (ifp)
      66           0 :                 zif = ifp->info;
      67             :         else
      68             :                 zif = NULL;
      69             : 
      70           0 :         zebra_evpn_vxl_evpn_set(zif, zevpn, set);
      71             : }