diff options
Diffstat (limited to 'ospfd/ospf_packet.c')
| -rw-r--r-- | ospfd/ospf_packet.c | 28 |
1 files changed, 12 insertions, 16 deletions
diff --git a/ospfd/ospf_packet.c b/ospfd/ospf_packet.c index b22fe5d99b..5268c9896b 100644 --- a/ospfd/ospf_packet.c +++ b/ospfd/ospf_packet.c @@ -1,22 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * OSPF Sending and Receiving OSPF Packets. * Copyright (C) 1999, 2000 Toshiaki Takada - * - * This file is part of GNU Zebra. - * - * GNU Zebra is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2, or (at your option) any - * later version. - * - * GNU Zebra is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; see the file COPYING; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include <zebra.h> @@ -43,6 +28,7 @@ #include "ospfd/ospf_network.h" #include "ospfd/ospf_interface.h" #include "ospfd/ospf_ism.h" +#include "ospfd/ospf_abr.h" #include "ospfd/ospf_asbr.h" #include "ospfd/ospf_lsa.h" #include "ospfd/ospf_lsdb.h" @@ -3332,6 +3318,14 @@ static int ospf_make_hello(struct ospf_interface *oi, struct stream *s) else stream_putw(s, 0); /* hello-interval of 0 for fast-hellos */ + /* Check if flood-reduction is enabled, + * if yes set the DC bit in the options. + */ + if (OSPF_FR_CONFIG(oi->ospf, oi->area)) + SET_FLAG(OPTIONS(oi), OSPF_OPTION_DC); + else if (CHECK_FLAG(OPTIONS(oi), OSPF_OPTION_DC)) + UNSET_FLAG(OPTIONS(oi), OSPF_OPTION_DC); + if (IS_DEBUG_OSPF_EVENT) zlog_debug("%s: options: %x, int: %s", __func__, OPTIONS(oi), IF_NAME(oi)); @@ -3420,6 +3414,8 @@ static int ospf_make_db_desc(struct ospf_interface *oi, options = OPTIONS(oi); if (CHECK_FLAG(oi->ospf->config, OSPF_OPAQUE_CAPABLE)) SET_FLAG(options, OSPF_OPTION_O); + if (OSPF_FR_CONFIG(oi->ospf, oi->area)) + SET_FLAG(options, OSPF_OPTION_DC); stream_putc(s, options); /* DD flags */ |