+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* OSPF Interface functions.
* 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>
#include "command.h"
#include "stream.h"
#include "log.h"
+#include "network.h"
#include "zclient.h"
#include "bfd.h"
#include "ldp_sync.h"
for (rn = route_top(oi->nbrs); rn; rn = route_next(rn)) {
nbr = rn->info;
- if (nbr) {
- /* Do not show myself. */
- if (nbr == oi->nbr_self)
- continue;
- /* Down state is not shown. */
- if (nbr->state == NSM_Down)
- continue;
- count++;
- }
+ if (!nbr)
+ continue;
+
+ /* Do not show myself. */
+ if (nbr == oi->nbr_self)
+ continue;
+ /* Down state is not shown. */
+ if (nbr->state == NSM_Down)
+ continue;
+ count++;
}
return count;
: OSPF_DEFAULT_BANDWIDTH;
refbw = oi->ospf->ref_bandwidth;
- /* A specifed ip ospf cost overrides a calculated one. */
+ /* A specified ip ospf cost overrides a calculated one. */
if (OSPF_IF_PARAM_CONFIGURED(IF_DEF_PARAMS(oi->ifp), output_cost_cmd)
|| OSPF_IF_PARAM_CONFIGURED(oi->params, output_cost_cmd))
cost = OSPF_IF_PARAM(oi, output_cost_cmd);
oi->t_ls_upd_event = NULL;
oi->t_ls_ack_direct = NULL;
- oi->crypt_seqnum = time(NULL);
+ oi->crypt_seqnum = frr_sequence32_next();
ospf_opaque_type9_lsa_init(oi);
/* oi->nbrs and oi->nbr_nbma should be deleted on InterfaceDown event */
/* delete all static neighbors attached to this interface */
for (ALL_LIST_ELEMENTS(oi->nbr_nbma, node, nnode, nbr_nbma)) {
- OSPF_POLL_TIMER_OFF(nbr_nbma->t_poll);
+ THREAD_OFF(nbr_nbma->t_poll);
if (nbr_nbma->nbr) {
nbr_nbma->nbr->nbr_nbma = NULL;
}
/* send Neighbor event KillNbr to all associated neighbors. */
- for (rn = route_top(oi->nbrs); rn; rn = route_next(rn))
+ for (rn = route_top(oi->nbrs); rn; rn = route_next(rn)) {
if ((nbr = rn->info) != NULL)
if (nbr != oi->nbr_self)
OSPF_NSM_EVENT_EXECUTE(nbr, NSM_KillNbr);
+ }
/* Cleanup Link State Acknowlegdment list. */
for (ALL_LIST_ELEMENTS(oi->ls_ack, node, nnode, lsa))
{
struct route_node *rn;
struct prefix_ipv4 addr;
- struct ospf_interface *oi, *match;
+ struct ospf_interface *oi, *match, *unnumbered_match;
addr.family = AF_INET;
addr.prefix = src;
addr.prefixlen = IPV4_MAX_BITLEN;
- match = NULL;
+ match = unnumbered_match = NULL;
for (rn = route_top(IF_OIFS(ifp)); rn; rn = route_next(rn)) {
oi = rn->info;
continue;
if (CHECK_FLAG(oi->connected->flags, ZEBRA_IFA_UNNUMBERED))
- match = oi;
+ unnumbered_match = oi;
else if (prefix_match(CONNECTED_PREFIX(oi->connected),
(struct prefix *)&addr)) {
if ((match == NULL) || (match->address->prefixlen
}
}
- return match;
+ if (match)
+ return match;
+
+ return unnumbered_match;
+}
+
+void ospf_interface_fifo_flush(struct ospf_interface *oi)
+{
+ struct ospf *ospf = oi->ospf;
+
+ ospf_fifo_flush(oi->obuf);
+
+ if (oi->on_write_q) {
+ listnode_delete(ospf->oi_write_q, oi);
+ if (list_isempty(ospf->oi_write_q))
+ THREAD_OFF(ospf->t_write);
+ oi->on_write_q = 0;
+ }
}
static void ospf_if_reset_stats(struct ospf_interface *oi)
void ospf_if_stream_unset(struct ospf_interface *oi)
{
- struct ospf *ospf = oi->ospf;
-
/* flush the interface packet queue */
- ospf_fifo_flush(oi->obuf);
+ ospf_interface_fifo_flush(oi);
/*reset protocol stats */
ospf_if_reset_stats(oi);
-
- if (oi->on_write_q) {
- listnode_delete(ospf->oi_write_q, oi);
- if (list_isempty(ospf->oi_write_q))
- OSPF_TIMER_OFF(ospf->t_write);
- oi->on_write_q = 0;
- }
}
struct prefix_ipv4 *p;
if (IS_DEBUG_OSPF_EVENT)
- zlog_debug("ospf_vl_new()(%s): Start", ospf_get_name(ospf));
+ zlog_debug("%s: (%s): Start", __func__, ospf_get_name(ospf));
if (vlink_count == OSPF_VL_MAX_COUNT) {
if (IS_DEBUG_OSPF_EVENT)
zlog_debug(
- "ospf_vl_new(): Alarm: cannot create more than OSPF_MAX_VL_COUNT virtual links");
+ "%s: Alarm: cannot create more than OSPF_MAX_VL_COUNT virtual links",
+ __func__);
+
return NULL;
}
if (IS_DEBUG_OSPF_EVENT)
- zlog_debug(
- "ospf_vl_new(): creating pseudo zebra interface vrf id %u",
- ospf->vrf_id);
+ zlog_debug("%s: creating pseudo zebra interface vrf id %u",
+ __func__, ospf->vrf_id);
snprintf(ifname, sizeof(ifname), "VLINK%u", vlink_count);
vi = if_get_by_name(ifname, ospf->vrf_id, ospf->name);
if (voi == NULL) {
if (IS_DEBUG_OSPF_EVENT)
zlog_debug(
- "ospf_vl_new(): Alarm: OSPF int structure is not created");
+ "%s: Alarm: OSPF int structure is not created",
+ __func__);
+
return NULL;
}
voi->connected = co;
vlink_count++;
if (IS_DEBUG_OSPF_EVENT)
- zlog_debug("ospf_vl_new(): Created name: %s", ifname);
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug("ospf_vl_new(): set if->name to %s", vi->name);
+ zlog_debug("%s: Created name: %s set if->name to %s", __func__,
+ ifname, vi->name);
area_id.s_addr = INADDR_ANY;
area = ospf_area_get(ospf, area_id);
voi->area = area;
if (IS_DEBUG_OSPF_EVENT)
- zlog_debug(
- "ospf_vl_new(): set associated area to the backbone");
+ zlog_debug("%s: set associated area to the backbone", __func__);
/* Add pseudo neighbor. */
ospf_nbr_self_reset(voi, voi->ospf->router_id);
ospf_area_add_if(voi->area, voi);
if (IS_DEBUG_OSPF_EVENT)
- zlog_debug("ospf_vl_new(): Stop");
+ zlog_debug("%s: Stop", __func__);
return voi;
}
struct ospf_interface *oi;
if (IS_DEBUG_OSPF_EVENT) {
- zlog_debug("ospf_vl_up_check(): Start");
- zlog_debug("ospf_vl_up_check(): Router ID is %pI4",
- &rid);
- zlog_debug("ospf_vl_up_check(): Area is %pI4",
+ zlog_debug("%s: Start", __func__);
+ zlog_debug("%s: Router ID is %pI4 Area is %pI4", __func__, &rid,
&area->area_id);
}
SET_FLAG(vl_data->flags, OSPF_VL_FLAG_APPROVED);
if (IS_DEBUG_OSPF_EVENT)
- zlog_debug(
- "ospf_vl_up_check(): this VL matched");
+ zlog_debug("%s: this VL matched", __func__);
if (oi->state == ISM_Down) {
if (IS_DEBUG_OSPF_EVENT)
zlog_debug(
- "ospf_vl_up_check(): VL is down, waking it up");
+ "%s: VL is down, waking it up",
+ __func__);
SET_FLAG(oi->ifp->flags, IFF_UP);
OSPF_ISM_EVENT_EXECUTE(oi, ISM_InterfaceUp);
}
if (ospf_vl_set_params(area, vl_data, v)) {
if (IS_DEBUG_OSPF(ism, ISM_EVENTS))
zlog_debug(
- "ospf_vl_up_check: VL cost change, scheduling router lsa refresh");
+ "%s: VL cost change, scheduling router lsa refresh",
+ __func__);
if (ospf->backbone)
ospf_router_lsa_update_area(
ospf->backbone);
else if (IS_DEBUG_OSPF(ism, ISM_EVENTS))
zlog_debug(
- "ospf_vl_up_check: VL cost change, no backbone!");
+ "%s: VL cost change, no backbone!",
+ __func__);
}
}
}
ospf_hello_send(oi);
/* Restart hello timer for this interface */
- OSPF_ISM_TIMER_OFF(oi->t_hello);
+ THREAD_OFF(oi->t_hello);
OSPF_HELLO_TIMER_ON(oi);
}
ospf_hello_send(oi);
/* Restart the hello timer. */
- OSPF_ISM_TIMER_OFF(oi->t_hello);
+ THREAD_OFF(oi->t_hello);
OSPF_HELLO_TIMER_ON(oi);
}
}
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