* 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
* 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 GNU Zebra; see the file COPYING. If not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
+ * 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 "ospfd/ospf_dump.h"
DEFINE_QOBJ_TYPE(ospf_interface)
-DEFINE_HOOK(ospf_vl_add, (struct ospf_vl_data *vd), (vd))
-DEFINE_HOOK(ospf_vl_delete, (struct ospf_vl_data *vd), (vd))
+DEFINE_HOOK(ospf_vl_add, (struct ospf_vl_data * vd), (vd))
+DEFINE_HOOK(ospf_vl_delete, (struct ospf_vl_data * vd), (vd))
-int
-ospf_if_get_output_cost (struct ospf_interface *oi)
+int ospf_if_get_output_cost(struct ospf_interface *oi)
{
- /* If all else fails, use default OSPF cost */
- u_int32_t cost;
- u_int32_t bw, refbw;
-
- bw = oi->ifp->bandwidth ? oi->ifp->bandwidth : OSPF_DEFAULT_BANDWIDTH;
- refbw = oi->ospf->ref_bandwidth;
-
- /* A specifed 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);
- /* See if a cost can be calculated from the zebra processes
- interface bandwidth field. */
- else
- {
- cost = (u_int32_t) ((double)refbw / (double)bw + (double)0.5);
- if (cost < 1)
- cost = 1;
- else if (cost > 65535)
- cost = 65535;
- }
-
- return cost;
+ /* If all else fails, use default OSPF cost */
+ u_int32_t cost;
+ u_int32_t bw, refbw;
+
+ /* ifp speed and bw can be 0 in some platforms, use ospf default bw
+ if bw is configured under interface it would be used.
+ */
+ if (!oi->ifp->bandwidth && oi->ifp->speed)
+ bw = oi->ifp->speed;
+ else
+ bw = oi->ifp->bandwidth ? oi->ifp->bandwidth
+ : OSPF_DEFAULT_BANDWIDTH;
+ refbw = oi->ospf->ref_bandwidth;
+
+ /* A specifed 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);
+ /* See if a cost can be calculated from the zebra processes
+ interface bandwidth field. */
+ else {
+ cost = (u_int32_t)((double)refbw / (double)bw + (double)0.5);
+ if (cost < 1)
+ cost = 1;
+ else if (cost > 65535)
+ cost = 65535;
+ }
+
+ return cost;
}
-void
-ospf_if_recalculate_output_cost (struct interface *ifp)
+void ospf_if_recalculate_output_cost(struct interface *ifp)
{
- u_int32_t newcost;
- struct route_node *rn;
-
- for (rn = route_top (IF_OIFS (ifp)); rn; rn = route_next (rn))
- {
- struct ospf_interface *oi;
-
- if ( (oi = rn->info) == NULL)
- continue;
-
- newcost = ospf_if_get_output_cost (oi);
-
- /* Is actual output cost changed? */
- if (oi->output_cost != newcost)
- {
- oi->output_cost = newcost;
- ospf_router_lsa_update_area (oi->area);
+ u_int32_t newcost;
+ struct route_node *rn;
+
+ for (rn = route_top(IF_OIFS(ifp)); rn; rn = route_next(rn)) {
+ struct ospf_interface *oi;
+
+ if ((oi = rn->info) == NULL)
+ continue;
+
+ newcost = ospf_if_get_output_cost(oi);
+
+ /* Is actual output cost changed? */
+ if (oi->output_cost != newcost) {
+ oi->output_cost = newcost;
+ ospf_router_lsa_update_area(oi->area);
+ }
}
- }
}
-/* Simulate down/up on the interface. This is needed, for example, when
+/* Simulate down/up on the interface. This is needed, for example, when
the MTU changes. */
-void
-ospf_if_reset(struct interface *ifp)
+void ospf_if_reset(struct interface *ifp)
{
- struct route_node *rn;
-
- for (rn = route_top (IF_OIFS (ifp)); rn; rn = route_next (rn))
- {
- struct ospf_interface *oi;
-
- if ( (oi = rn->info) == NULL)
- continue;
-
- ospf_if_down(oi);
- ospf_if_up(oi);
- }
+ struct route_node *rn;
+
+ for (rn = route_top(IF_OIFS(ifp)); rn; rn = route_next(rn)) {
+ struct ospf_interface *oi;
+
+ if ((oi = rn->info) == NULL)
+ continue;
+
+ ospf_if_down(oi);
+ ospf_if_up(oi);
+ }
}
-void
-ospf_if_reset_variables (struct ospf_interface *oi)
+void ospf_if_reset_variables(struct ospf_interface *oi)
{
- /* Set default values. */
- /* don't clear this flag. oi->flag = OSPF_IF_DISABLE; */
+ /* Set default values. */
+ /* don't clear this flag. oi->flag = OSPF_IF_DISABLE; */
- if (oi->vl_data)
- oi->type = OSPF_IFTYPE_VIRTUALLINK;
- else
- /* preserve network-type */
- if (oi->type != OSPF_IFTYPE_NBMA)
- oi->type = OSPF_IFTYPE_BROADCAST;
+ if (oi->vl_data)
+ oi->type = OSPF_IFTYPE_VIRTUALLINK;
+ else
+ /* preserve network-type */
+ if (oi->type != OSPF_IFTYPE_NBMA)
+ oi->type = OSPF_IFTYPE_BROADCAST;
- oi->state = ISM_Down;
+ oi->state = ISM_Down;
- oi->crypt_seqnum = 0;
+ oi->crypt_seqnum = 0;
- /* This must be short, (less than RxmtInterval)
- - RFC 2328 Section 13.5 para 3. Set to 1 second to avoid Acks being
- held back for too long - MAG */
- oi->v_ls_ack = 1;
+ /* This must be short, (less than RxmtInterval)
+ - RFC 2328 Section 13.5 para 3. Set to 1 second to avoid Acks being
+ held back for too long - MAG */
+ oi->v_ls_ack = 1;
}
/* lookup oi for specified prefix/ifp */
-struct ospf_interface *
-ospf_if_table_lookup (struct interface *ifp, struct prefix *prefix)
+struct ospf_interface *ospf_if_table_lookup(struct interface *ifp,
+ struct prefix *prefix)
{
- struct prefix p;
- struct route_node *rn;
- struct ospf_interface *rninfo = NULL;
-
- p = *prefix;
- p.prefixlen = IPV4_MAX_PREFIXLEN;
-
- /* route_node_get implicitely locks */
- if ((rn = route_node_lookup (IF_OIFS (ifp), &p)))
- {
- rninfo = (struct ospf_interface *) rn->info;
- route_unlock_node (rn);
- }
-
- return rninfo;
+ struct prefix p;
+ struct route_node *rn;
+ struct ospf_interface *rninfo = NULL;
+
+ p = *prefix;
+ p.prefixlen = IPV4_MAX_PREFIXLEN;
+
+ /* route_node_get implicitely locks */
+ if ((rn = route_node_lookup(IF_OIFS(ifp), &p))) {
+ rninfo = (struct ospf_interface *)rn->info;
+ route_unlock_node(rn);
+ }
+
+ return rninfo;
}
-static void
-ospf_add_to_if (struct interface *ifp, struct ospf_interface *oi)
+static void ospf_add_to_if(struct interface *ifp, struct ospf_interface *oi)
{
- struct route_node *rn;
- struct prefix p;
-
- p = *oi->address;
- p.prefixlen = IPV4_MAX_PREFIXLEN;
-
- rn = route_node_get (IF_OIFS (ifp), &p);
- /* rn->info should either be NULL or equal to this oi
- * as route_node_get may return an existing node
- */
- assert (!rn->info || rn->info == oi);
- rn->info = oi;
+ struct route_node *rn;
+ struct prefix p;
+
+ p = *oi->address;
+ p.prefixlen = IPV4_MAX_PREFIXLEN;
+ apply_mask(&p);
+
+ rn = route_node_get(IF_OIFS(ifp), &p);
+ /* rn->info should either be NULL or equal to this oi
+ * as route_node_get may return an existing node
+ */
+ assert(!rn->info || rn->info == oi);
+ rn->info = oi;
}
-static void
-ospf_delete_from_if (struct interface *ifp, struct ospf_interface *oi)
+static void ospf_delete_from_if(struct interface *ifp,
+ struct ospf_interface *oi)
{
- struct route_node *rn;
- struct prefix p;
-
- p = *oi->address;
- p.prefixlen = IPV4_MAX_PREFIXLEN;
-
- rn = route_node_lookup (IF_OIFS (oi->ifp), &p);
- assert (rn);
- assert (rn->info);
- rn->info = NULL;
- route_unlock_node (rn);
- route_unlock_node (rn);
+ struct route_node *rn;
+ struct prefix p;
+
+ p = *oi->address;
+ p.prefixlen = IPV4_MAX_PREFIXLEN;
+
+ rn = route_node_lookup(IF_OIFS(oi->ifp), &p);
+ assert(rn);
+ assert(rn->info);
+ rn->info = NULL;
+ route_unlock_node(rn);
+ route_unlock_node(rn);
}
-struct ospf_interface *
-ospf_if_new (struct ospf *ospf, struct interface *ifp, struct prefix *p)
+struct ospf_interface *ospf_if_new(struct ospf *ospf, struct interface *ifp,
+ struct prefix *p)
{
- struct ospf_interface *oi;
-
- if ((oi = ospf_if_table_lookup (ifp, p)) == NULL)
- {
- oi = XCALLOC (MTYPE_OSPF_IF, sizeof (struct ospf_interface));
- memset (oi, 0, sizeof (struct ospf_interface));
- }
- else
- return oi;
-
- /* Set zebra interface pointer. */
- oi->ifp = ifp;
- oi->address = p;
-
- ospf_add_to_if (ifp, oi);
- listnode_add (ospf->oiflist, oi);
-
- /* Initialize neighbor list. */
- oi->nbrs = route_table_init ();
-
- /* Initialize static neighbor list. */
- oi->nbr_nbma = list_new ();
-
- /* Initialize Link State Acknowledgment list. */
- oi->ls_ack = list_new ();
- oi->ls_ack_direct.ls_ack = list_new ();
-
- /* Set default values. */
- ospf_if_reset_variables (oi);
-
- /* Set pseudo neighbor to Null */
- oi->nbr_self = NULL;
-
- oi->ls_upd_queue = route_table_init ();
- oi->t_ls_upd_event = NULL;
- oi->t_ls_ack_direct = NULL;
-
- oi->crypt_seqnum = time (NULL);
-
- ospf_opaque_type9_lsa_init (oi);
-
- oi->ospf = ospf;
- QOBJ_REG (oi, ospf_interface);
-
- return oi;
+ struct ospf_interface *oi;
+
+ if ((oi = ospf_if_table_lookup(ifp, p)) == NULL) {
+ oi = XCALLOC(MTYPE_OSPF_IF, sizeof(struct ospf_interface));
+ memset(oi, 0, sizeof(struct ospf_interface));
+ } else
+ return oi;
+
+ /* Set zebra interface pointer. */
+ oi->ifp = ifp;
+ oi->address = p;
+
+ ospf_add_to_if(ifp, oi);
+ listnode_add(ospf->oiflist, oi);
+
+ /* Initialize neighbor list. */
+ oi->nbrs = route_table_init();
+
+ /* Initialize static neighbor list. */
+ oi->nbr_nbma = list_new();
+
+ /* Initialize Link State Acknowledgment list. */
+ oi->ls_ack = list_new();
+ oi->ls_ack_direct.ls_ack = list_new();
+
+ /* Set default values. */
+ ospf_if_reset_variables(oi);
+
+ /* Set pseudo neighbor to Null */
+ oi->nbr_self = NULL;
+
+ oi->ls_upd_queue = route_table_init();
+ oi->t_ls_upd_event = NULL;
+ oi->t_ls_ack_direct = NULL;
+
+ oi->crypt_seqnum = time(NULL);
+
+ ospf_opaque_type9_lsa_init(oi);
+
+ oi->ospf = ospf;
+ QOBJ_REG(oi, ospf_interface);
+
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug("%s: ospf interface %s vrf %s id %u created",
+ __PRETTY_FUNCTION__, ifp->name,
+ ospf_vrf_id_to_name(ospf->vrf_id), ospf->vrf_id);
+
+ return oi;
}
/* Restore an interface to its pre UP state
Used from ism_interface_down only */
-void
-ospf_if_cleanup (struct ospf_interface *oi)
+void ospf_if_cleanup(struct ospf_interface *oi)
{
- struct route_node *rn;
- struct listnode *node, *nnode;
- struct ospf_neighbor *nbr;
- struct ospf_nbr_nbma *nbr_nbma;
- struct ospf_lsa *lsa;
-
- /* 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);
-
- if (nbr_nbma->nbr)
- {
- nbr_nbma->nbr->nbr_nbma = NULL;
- nbr_nbma->nbr = NULL;
+ struct route_node *rn;
+ struct listnode *node, *nnode;
+ struct ospf_neighbor *nbr;
+ struct ospf_nbr_nbma *nbr_nbma;
+ struct ospf_lsa *lsa;
+
+ /* 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);
+
+ if (nbr_nbma->nbr) {
+ nbr_nbma->nbr->nbr_nbma = NULL;
+ nbr_nbma->nbr = NULL;
+ }
+
+ nbr_nbma->oi = NULL;
+
+ listnode_delete(oi->nbr_nbma, nbr_nbma);
}
- nbr_nbma->oi = NULL;
-
- listnode_delete (oi->nbr_nbma, nbr_nbma);
- }
-
- /* send Neighbor event KillNbr to all associated neighbors. */
- 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))
- ospf_lsa_unlock (&lsa); /* oi->ls_ack */
- list_delete_all_node (oi->ls_ack);
-
- oi->crypt_seqnum = 0;
-
- /* Empty link state update queue */
- ospf_ls_upd_queue_empty (oi);
-
- /* Reset pseudo neighbor. */
- ospf_nbr_self_reset (oi, oi->ospf->router_id);
+ /* send Neighbor event KillNbr to all associated neighbors. */
+ 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))
+ ospf_lsa_unlock(&lsa); /* oi->ls_ack */
+ list_delete_all_node(oi->ls_ack);
+
+ oi->crypt_seqnum = 0;
+
+ /* Empty link state update queue */
+ ospf_ls_upd_queue_empty(oi);
+
+ /* Reset pseudo neighbor. */
+ ospf_nbr_self_reset(oi, oi->ospf->router_id);
}
-void
-ospf_if_free (struct ospf_interface *oi)
+void ospf_if_free(struct ospf_interface *oi)
{
- ospf_if_down (oi);
+ ospf_if_down(oi);
- assert (oi->state == ISM_Down);
+ assert(oi->state == ISM_Down);
- ospf_opaque_type9_lsa_term (oi);
+ ospf_opaque_type9_lsa_term(oi);
- QOBJ_UNREG (oi);
+ QOBJ_UNREG(oi);
- /* Free Pseudo Neighbour */
- ospf_nbr_delete (oi->nbr_self);
-
- route_table_finish (oi->nbrs);
- route_table_finish (oi->ls_upd_queue);
-
- /* Free any lists that should be freed */
- list_free (oi->nbr_nbma);
-
- list_free (oi->ls_ack);
- list_free (oi->ls_ack_direct.ls_ack);
-
- ospf_delete_from_if (oi->ifp, oi);
+ /* Free Pseudo Neighbour */
+ ospf_nbr_delete(oi->nbr_self);
- listnode_delete (oi->ospf->oiflist, oi);
- listnode_delete (oi->area->oiflist, oi);
+ route_table_finish(oi->nbrs);
+ route_table_finish(oi->ls_upd_queue);
- thread_cancel_event (master, oi);
+ /* Free any lists that should be freed */
+ list_free(oi->nbr_nbma);
- memset (oi, 0, sizeof (*oi));
- XFREE (MTYPE_OSPF_IF, oi);
-}
+ list_free(oi->ls_ack);
+ list_free(oi->ls_ack_direct.ls_ack);
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug("%s: ospf interface %s vrf %s id %u deleted",
+ __PRETTY_FUNCTION__, oi->ifp->name,
+ ospf_vrf_id_to_name(oi->ifp->vrf_id),
+ oi->ifp->vrf_id);
-/*
-* check if interface with given address is configured and
-* return it if yes. special treatment for PtP networks.
-*/
-struct ospf_interface *
-ospf_if_is_configured (struct ospf *ospf, struct in_addr *address)
-{
- struct listnode *node, *nnode;
- struct ospf_interface *oi;
- struct prefix_ipv4 addr;
-
- addr.family = AF_INET;
- addr.prefix = *address;
- addr.prefixlen = IPV4_MAX_PREFIXLEN;
-
- for (ALL_LIST_ELEMENTS (ospf->oiflist, node, nnode, oi))
- if (oi->type != OSPF_IFTYPE_VIRTUALLINK)
- {
- if (CHECK_FLAG(oi->connected->flags, ZEBRA_IFA_UNNUMBERED))
- {
- if (htonl(oi->ifp->ifindex) == address->s_addr)
- return oi;
- }
- else if (oi->type == OSPF_IFTYPE_POINTOPOINT)
- {
- /* special leniency: match if addr is anywhere on peer subnet */
- if (prefix_match(CONNECTED_PREFIX(oi->connected),
- (struct prefix *)&addr))
- return oi;
- }
- else
- {
- if (IPV4_ADDR_SAME (address, &oi->address->u.prefix4))
- return oi;
- }
- }
- return NULL;
+ ospf_delete_from_if(oi->ifp, oi);
+
+ listnode_delete(oi->ospf->oiflist, oi);
+ listnode_delete(oi->area->oiflist, oi);
+
+ thread_cancel_event(master, oi);
+
+ memset(oi, 0, sizeof(*oi));
+ XFREE(MTYPE_OSPF_IF, oi);
}
-int
-ospf_if_is_up (struct ospf_interface *oi)
+int ospf_if_is_up(struct ospf_interface *oi)
{
- return if_is_up (oi->ifp);
+ return if_is_up(oi->ifp);
}
-struct ospf_interface *
-ospf_if_exists (struct ospf_interface *oic)
-{
- struct listnode *node;
- struct ospf *ospf;
- struct ospf_interface *oi;
+struct ospf_interface *ospf_if_exists(struct ospf_interface *oic)
+{
+ struct listnode *node;
+ struct ospf *ospf;
+ struct ospf_interface *oi;
+
+ if (!oic)
+ return NULL;
- if ((ospf = ospf_lookup ()) == NULL)
- return NULL;
+ ospf = oic->ospf;
+ if (ospf == NULL)
+ return NULL;
- for (ALL_LIST_ELEMENTS_RO (ospf->oiflist, node, oi))
- if (oi == oic)
- return oi;
+ for (ALL_LIST_ELEMENTS_RO(ospf->oiflist, node, oi))
+ if (oi == oic)
+ return oi;
- return NULL;
+ return NULL;
}
/* Lookup OSPF interface by router LSA posistion */
-struct ospf_interface *
-ospf_if_lookup_by_lsa_pos (struct ospf_area *area, int lsa_pos)
+struct ospf_interface *ospf_if_lookup_by_lsa_pos(struct ospf_area *area,
+ int lsa_pos)
{
- struct listnode *node;
- struct ospf_interface *oi;
+ struct listnode *node;
+ struct ospf_interface *oi;
- for (ALL_LIST_ELEMENTS_RO (area->oiflist, node, oi))
- {
- if (lsa_pos >= oi->lsa_pos_beg && lsa_pos < oi->lsa_pos_end)
- return oi;
- }
- return NULL;
+ for (ALL_LIST_ELEMENTS_RO(area->oiflist, node, oi)) {
+ if (lsa_pos >= oi->lsa_pos_beg && lsa_pos < oi->lsa_pos_end)
+ return oi;
+ }
+ return NULL;
}
-struct ospf_interface *
-ospf_if_lookup_by_local_addr (struct ospf *ospf,
- struct interface *ifp, struct in_addr address)
+struct ospf_interface *ospf_if_lookup_by_local_addr(struct ospf *ospf,
+ struct interface *ifp,
+ struct in_addr address)
{
- struct listnode *node;
- struct ospf_interface *oi;
-
- for (ALL_LIST_ELEMENTS_RO (ospf->oiflist, node, oi))
- if (oi->type != OSPF_IFTYPE_VIRTUALLINK)
- {
- if (ifp && oi->ifp != ifp)
- continue;
-
- if (IPV4_ADDR_SAME (&address, &oi->address->u.prefix4))
- return oi;
- }
-
- return NULL;
+ struct listnode *node;
+ struct ospf_interface *oi;
+
+ for (ALL_LIST_ELEMENTS_RO(ospf->oiflist, node, oi))
+ if (oi->type != OSPF_IFTYPE_VIRTUALLINK) {
+ if (ifp && oi->ifp != ifp)
+ continue;
+
+ if (IPV4_ADDR_SAME(&address, &oi->address->u.prefix4))
+ return oi;
+ }
+
+ return NULL;
}
-struct ospf_interface *
-ospf_if_lookup_by_prefix (struct ospf *ospf, struct prefix_ipv4 *p)
+struct ospf_interface *ospf_if_lookup_by_prefix(struct ospf *ospf,
+ struct prefix_ipv4 *p)
{
- struct listnode *node;
- struct ospf_interface *oi;
-
- /* Check each Interface. */
- for (ALL_LIST_ELEMENTS_RO (ospf->oiflist, node, oi))
- {
- if (oi->type != OSPF_IFTYPE_VIRTUALLINK)
- {
- struct prefix ptmp;
-
- prefix_copy (&ptmp, CONNECTED_PREFIX(oi->connected));
- apply_mask (&ptmp);
- if (prefix_same (&ptmp, (struct prefix *) p))
- return oi;
+ struct listnode *node;
+ struct ospf_interface *oi;
+
+ /* Check each Interface. */
+ for (ALL_LIST_ELEMENTS_RO(ospf->oiflist, node, oi)) {
+ if (oi->type != OSPF_IFTYPE_VIRTUALLINK) {
+ struct prefix ptmp;
+
+ prefix_copy(&ptmp, CONNECTED_PREFIX(oi->connected));
+ apply_mask(&ptmp);
+ if (prefix_same(&ptmp, (struct prefix *)p))
+ return oi;
+ }
}
- }
- return NULL;
+ return NULL;
}
/* determine receiving interface by ifp and source address */
-struct ospf_interface *
-ospf_if_lookup_recv_if (struct ospf *ospf, struct in_addr src,
- struct interface *ifp)
+struct ospf_interface *ospf_if_lookup_recv_if(struct ospf *ospf,
+ struct in_addr src,
+ struct interface *ifp)
{
- struct route_node *rn;
- struct prefix_ipv4 addr;
- struct ospf_interface *oi, *match;
-
- addr.family = AF_INET;
- addr.prefix = src;
- addr.prefixlen = IPV4_MAX_BITLEN;
-
- match = NULL;
-
- for (rn = route_top (IF_OIFS (ifp)); rn; rn = route_next (rn))
- {
- oi = rn->info;
-
- if (!oi) /* oi can be NULL for PtP aliases */
- continue;
-
- if (oi->type == OSPF_IFTYPE_VIRTUALLINK)
- continue;
-
- if (if_is_loopback (oi->ifp))
- continue;
-
- if (CHECK_FLAG(oi->connected->flags, ZEBRA_IFA_UNNUMBERED))
- match = oi;
- else if (prefix_match (CONNECTED_PREFIX(oi->connected),
- (struct prefix *) &addr))
- {
- if ( (match == NULL) ||
- (match->address->prefixlen < oi->address->prefixlen)
- )
- match = oi;
+ struct route_node *rn;
+ struct prefix_ipv4 addr;
+ struct ospf_interface *oi, *match;
+
+ addr.family = AF_INET;
+ addr.prefix = src;
+ addr.prefixlen = IPV4_MAX_BITLEN;
+
+ match = NULL;
+
+ for (rn = route_top(IF_OIFS(ifp)); rn; rn = route_next(rn)) {
+ oi = rn->info;
+
+ if (!oi) /* oi can be NULL for PtP aliases */
+ continue;
+
+ if (oi->type == OSPF_IFTYPE_VIRTUALLINK)
+ continue;
+
+ if (if_is_loopback(oi->ifp))
+ continue;
+
+ if (CHECK_FLAG(oi->connected->flags, ZEBRA_IFA_UNNUMBERED))
+ match = oi;
+ else if (prefix_match(CONNECTED_PREFIX(oi->connected),
+ (struct prefix *)&addr)) {
+ if ((match == NULL) || (match->address->prefixlen
+ < oi->address->prefixlen))
+ match = oi;
+ }
}
- }
- return match;
+ return match;
}
-void
-ospf_if_stream_set (struct ospf_interface *oi)
+void ospf_if_stream_set(struct ospf_interface *oi)
{
- /* set output fifo queue. */
- if (oi->obuf == NULL)
- oi->obuf = ospf_fifo_new ();
+ /* set output fifo queue. */
+ if (oi->obuf == NULL)
+ oi->obuf = ospf_fifo_new();
}
-void
-ospf_if_stream_unset (struct ospf_interface *oi)
+void ospf_if_stream_unset(struct ospf_interface *oi)
{
- struct ospf *ospf = oi->ospf;
-
- if (oi->obuf)
- {
- ospf_fifo_free (oi->obuf);
- oi->obuf = NULL;
-
- 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 ospf *ospf = oi->ospf;
+
+ if (oi->obuf) {
+ ospf_fifo_free(oi->obuf);
+ oi->obuf = NULL;
+
+ 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;
+ }
+ }
}
-static struct ospf_if_params *
-ospf_new_if_params (void)
+static struct ospf_if_params *ospf_new_if_params(void)
{
- struct ospf_if_params *oip;
-
- oip = XCALLOC (MTYPE_OSPF_IF_PARAMS, sizeof (struct ospf_if_params));
-
- if (!oip)
- return NULL;
-
- UNSET_IF_PARAM (oip, output_cost_cmd);
- UNSET_IF_PARAM (oip, transmit_delay);
- UNSET_IF_PARAM (oip, retransmit_interval);
- UNSET_IF_PARAM (oip, passive_interface);
- UNSET_IF_PARAM (oip, v_hello);
- UNSET_IF_PARAM (oip, fast_hello);
- UNSET_IF_PARAM (oip, v_wait);
- UNSET_IF_PARAM (oip, priority);
- UNSET_IF_PARAM (oip, type);
- UNSET_IF_PARAM (oip, auth_simple);
- UNSET_IF_PARAM (oip, auth_crypt);
- UNSET_IF_PARAM (oip, auth_type);
-
- oip->auth_crypt = list_new ();
-
- oip->network_lsa_seqnum = htonl(OSPF_INITIAL_SEQUENCE_NUMBER);
-
- return oip;
+ struct ospf_if_params *oip;
+
+ oip = XCALLOC(MTYPE_OSPF_IF_PARAMS, sizeof(struct ospf_if_params));
+
+ if (!oip)
+ return NULL;
+
+ UNSET_IF_PARAM(oip, output_cost_cmd);
+ UNSET_IF_PARAM(oip, transmit_delay);
+ UNSET_IF_PARAM(oip, retransmit_interval);
+ UNSET_IF_PARAM(oip, passive_interface);
+ UNSET_IF_PARAM(oip, v_hello);
+ UNSET_IF_PARAM(oip, fast_hello);
+ UNSET_IF_PARAM(oip, v_wait);
+ UNSET_IF_PARAM(oip, priority);
+ UNSET_IF_PARAM(oip, type);
+ UNSET_IF_PARAM(oip, auth_simple);
+ UNSET_IF_PARAM(oip, auth_crypt);
+ UNSET_IF_PARAM(oip, auth_type);
+
+ oip->auth_crypt = list_new();
+
+ oip->network_lsa_seqnum = htonl(OSPF_INITIAL_SEQUENCE_NUMBER);
+
+ return oip;
}
-void
-ospf_del_if_params (struct ospf_if_params *oip)
+void ospf_del_if_params(struct ospf_if_params *oip)
{
- list_delete (oip->auth_crypt);
- bfd_info_free(&(oip->bfd_info));
- XFREE (MTYPE_OSPF_IF_PARAMS, oip);
+ list_delete(oip->auth_crypt);
+ bfd_info_free(&(oip->bfd_info));
+ XFREE(MTYPE_OSPF_IF_PARAMS, oip);
}
-void
-ospf_free_if_params (struct interface *ifp, struct in_addr addr)
+void ospf_free_if_params(struct interface *ifp, struct in_addr addr)
{
- struct ospf_if_params *oip;
- struct prefix_ipv4 p;
- struct route_node *rn;
-
- p.family = AF_INET;
- p.prefixlen = IPV4_MAX_PREFIXLEN;
- p.prefix = addr;
- rn = route_node_lookup (IF_OIFS_PARAMS (ifp), (struct prefix*)&p);
- if (!rn || !rn->info)
- return;
-
- oip = rn->info;
- route_unlock_node (rn);
-
- if (!OSPF_IF_PARAM_CONFIGURED (oip, output_cost_cmd) &&
- !OSPF_IF_PARAM_CONFIGURED (oip, transmit_delay) &&
- !OSPF_IF_PARAM_CONFIGURED (oip, retransmit_interval) &&
- !OSPF_IF_PARAM_CONFIGURED (oip, passive_interface) &&
- !OSPF_IF_PARAM_CONFIGURED (oip, v_hello) &&
- !OSPF_IF_PARAM_CONFIGURED (oip, fast_hello) &&
- !OSPF_IF_PARAM_CONFIGURED (oip, v_wait) &&
- !OSPF_IF_PARAM_CONFIGURED (oip, priority) &&
- !OSPF_IF_PARAM_CONFIGURED (oip, type) &&
- !OSPF_IF_PARAM_CONFIGURED (oip, auth_simple) &&
- !OSPF_IF_PARAM_CONFIGURED (oip, auth_type) &&
- listcount (oip->auth_crypt) == 0 &&
- ntohl (oip->network_lsa_seqnum) != OSPF_INITIAL_SEQUENCE_NUMBER)
- {
- ospf_del_if_params (oip);
- rn->info = NULL;
- route_unlock_node (rn);
- }
+ struct ospf_if_params *oip;
+ struct prefix_ipv4 p;
+ struct route_node *rn;
+
+ p.family = AF_INET;
+ p.prefixlen = IPV4_MAX_PREFIXLEN;
+ p.prefix = addr;
+ rn = route_node_lookup(IF_OIFS_PARAMS(ifp), (struct prefix *)&p);
+ if (!rn || !rn->info)
+ return;
+
+ oip = rn->info;
+ route_unlock_node(rn);
+
+ if (!OSPF_IF_PARAM_CONFIGURED(oip, output_cost_cmd)
+ && !OSPF_IF_PARAM_CONFIGURED(oip, transmit_delay)
+ && !OSPF_IF_PARAM_CONFIGURED(oip, retransmit_interval)
+ && !OSPF_IF_PARAM_CONFIGURED(oip, passive_interface)
+ && !OSPF_IF_PARAM_CONFIGURED(oip, v_hello)
+ && !OSPF_IF_PARAM_CONFIGURED(oip, fast_hello)
+ && !OSPF_IF_PARAM_CONFIGURED(oip, v_wait)
+ && !OSPF_IF_PARAM_CONFIGURED(oip, priority)
+ && !OSPF_IF_PARAM_CONFIGURED(oip, type)
+ && !OSPF_IF_PARAM_CONFIGURED(oip, auth_simple)
+ && !OSPF_IF_PARAM_CONFIGURED(oip, auth_type)
+ && listcount(oip->auth_crypt) == 0
+ && ntohl(oip->network_lsa_seqnum) != OSPF_INITIAL_SEQUENCE_NUMBER) {
+ ospf_del_if_params(oip);
+ rn->info = NULL;
+ route_unlock_node(rn);
+ }
}
-struct ospf_if_params *
-ospf_lookup_if_params (struct interface *ifp, struct in_addr addr)
+struct ospf_if_params *ospf_lookup_if_params(struct interface *ifp,
+ struct in_addr addr)
{
- struct prefix_ipv4 p;
- struct route_node *rn;
-
- p.family = AF_INET;
- p.prefixlen = IPV4_MAX_PREFIXLEN;
- p.prefix = addr;
-
- rn = route_node_lookup (IF_OIFS_PARAMS (ifp), (struct prefix*)&p);
-
- if (rn)
- {
- route_unlock_node (rn);
- return rn->info;
- }
-
- return NULL;
+ struct prefix_ipv4 p;
+ struct route_node *rn;
+
+ p.family = AF_INET;
+ p.prefixlen = IPV4_MAX_PREFIXLEN;
+ p.prefix = addr;
+
+ rn = route_node_lookup(IF_OIFS_PARAMS(ifp), (struct prefix *)&p);
+
+ if (rn) {
+ route_unlock_node(rn);
+ return rn->info;
+ }
+
+ return NULL;
}
-struct ospf_if_params *
-ospf_get_if_params (struct interface *ifp, struct in_addr addr)
+struct ospf_if_params *ospf_get_if_params(struct interface *ifp,
+ struct in_addr addr)
{
- struct prefix_ipv4 p;
- struct route_node *rn;
-
- p.family = AF_INET;
- p.prefixlen = IPV4_MAX_PREFIXLEN;
- p.prefix = addr;
-
- rn = route_node_get (IF_OIFS_PARAMS (ifp), (struct prefix*)&p);
-
- if (rn->info == NULL)
- rn->info = ospf_new_if_params ();
- else
- route_unlock_node (rn);
-
- return rn->info;
+ struct prefix_ipv4 p;
+ struct route_node *rn;
+
+ p.family = AF_INET;
+ p.prefixlen = IPV4_MAX_PREFIXLEN;
+ p.prefix = addr;
+ apply_mask_ipv4(&p);
+
+ rn = route_node_get(IF_OIFS_PARAMS(ifp), (struct prefix *)&p);
+
+ if (rn->info == NULL)
+ rn->info = ospf_new_if_params();
+ else
+ route_unlock_node(rn);
+
+ return rn->info;
}
-void
-ospf_if_update_params (struct interface *ifp, struct in_addr addr)
+void ospf_if_update_params(struct interface *ifp, struct in_addr addr)
{
- struct route_node *rn;
- struct ospf_interface *oi;
-
- for (rn = route_top (IF_OIFS (ifp)); rn; rn = route_next (rn))
- {
- if ((oi = rn->info) == NULL)
- continue;
-
- if (IPV4_ADDR_SAME (&oi->address->u.prefix4, &addr))
- oi->params = ospf_lookup_if_params (ifp, oi->address->u.prefix4);
- }
+ struct route_node *rn;
+ struct ospf_interface *oi;
+
+ for (rn = route_top(IF_OIFS(ifp)); rn; rn = route_next(rn)) {
+ if ((oi = rn->info) == NULL)
+ continue;
+
+ if (IPV4_ADDR_SAME(&oi->address->u.prefix4, &addr))
+ oi->params = ospf_lookup_if_params(
+ ifp, oi->address->u.prefix4);
+ }
}
-int
-ospf_if_new_hook (struct interface *ifp)
+int ospf_if_new_hook(struct interface *ifp)
{
- int rc = 0;
-
- ifp->info = XCALLOC (MTYPE_OSPF_IF_INFO, sizeof (struct ospf_if_info));
-
- IF_OIFS (ifp) = route_table_init ();
- IF_OIFS_PARAMS (ifp) = route_table_init ();
-
- IF_DEF_PARAMS (ifp) = ospf_new_if_params ();
-
- SET_IF_PARAM (IF_DEF_PARAMS (ifp), transmit_delay);
- IF_DEF_PARAMS (ifp)->transmit_delay = OSPF_TRANSMIT_DELAY_DEFAULT;
-
- SET_IF_PARAM (IF_DEF_PARAMS (ifp), retransmit_interval);
- IF_DEF_PARAMS (ifp)->retransmit_interval = OSPF_RETRANSMIT_INTERVAL_DEFAULT;
-
- SET_IF_PARAM (IF_DEF_PARAMS (ifp), priority);
- IF_DEF_PARAMS (ifp)->priority = OSPF_ROUTER_PRIORITY_DEFAULT;
-
- IF_DEF_PARAMS (ifp)->mtu_ignore = OSPF_MTU_IGNORE_DEFAULT;
-
- SET_IF_PARAM (IF_DEF_PARAMS (ifp), v_hello);
- IF_DEF_PARAMS (ifp)->v_hello = OSPF_HELLO_INTERVAL_DEFAULT;
-
- SET_IF_PARAM (IF_DEF_PARAMS (ifp), fast_hello);
- IF_DEF_PARAMS (ifp)->fast_hello = OSPF_FAST_HELLO_DEFAULT;
-
- SET_IF_PARAM (IF_DEF_PARAMS (ifp), v_wait);
- IF_DEF_PARAMS (ifp)->v_wait = OSPF_ROUTER_DEAD_INTERVAL_DEFAULT;
-
- SET_IF_PARAM (IF_DEF_PARAMS (ifp), auth_simple);
- memset (IF_DEF_PARAMS (ifp)->auth_simple, 0, OSPF_AUTH_SIMPLE_SIZE);
-
- SET_IF_PARAM (IF_DEF_PARAMS (ifp), auth_type);
- IF_DEF_PARAMS (ifp)->auth_type = OSPF_AUTH_NOTSET;
-
- rc = ospf_opaque_new_if (ifp);
- return rc;
+ int rc = 0;
+
+ ifp->info = XCALLOC(MTYPE_OSPF_IF_INFO, sizeof(struct ospf_if_info));
+
+ IF_OIFS(ifp) = route_table_init();
+ IF_OIFS_PARAMS(ifp) = route_table_init();
+
+ IF_DEF_PARAMS(ifp) = ospf_new_if_params();
+
+ SET_IF_PARAM(IF_DEF_PARAMS(ifp), transmit_delay);
+ IF_DEF_PARAMS(ifp)->transmit_delay = OSPF_TRANSMIT_DELAY_DEFAULT;
+
+ SET_IF_PARAM(IF_DEF_PARAMS(ifp), retransmit_interval);
+ IF_DEF_PARAMS(ifp)->retransmit_interval =
+ OSPF_RETRANSMIT_INTERVAL_DEFAULT;
+
+ SET_IF_PARAM(IF_DEF_PARAMS(ifp), priority);
+ IF_DEF_PARAMS(ifp)->priority = OSPF_ROUTER_PRIORITY_DEFAULT;
+
+ IF_DEF_PARAMS(ifp)->mtu_ignore = OSPF_MTU_IGNORE_DEFAULT;
+
+ SET_IF_PARAM(IF_DEF_PARAMS(ifp), v_hello);
+ IF_DEF_PARAMS(ifp)->v_hello = OSPF_HELLO_INTERVAL_DEFAULT;
+
+ SET_IF_PARAM(IF_DEF_PARAMS(ifp), fast_hello);
+ IF_DEF_PARAMS(ifp)->fast_hello = OSPF_FAST_HELLO_DEFAULT;
+
+ SET_IF_PARAM(IF_DEF_PARAMS(ifp), v_wait);
+ IF_DEF_PARAMS(ifp)->v_wait = OSPF_ROUTER_DEAD_INTERVAL_DEFAULT;
+
+ SET_IF_PARAM(IF_DEF_PARAMS(ifp), auth_simple);
+ memset(IF_DEF_PARAMS(ifp)->auth_simple, 0, OSPF_AUTH_SIMPLE_SIZE);
+
+ SET_IF_PARAM(IF_DEF_PARAMS(ifp), auth_type);
+ IF_DEF_PARAMS(ifp)->auth_type = OSPF_AUTH_NOTSET;
+
+ rc = ospf_opaque_new_if(ifp);
+ return rc;
}
-static int
-ospf_if_delete_hook (struct interface *ifp)
+static int ospf_if_delete_hook(struct interface *ifp)
{
- int rc = 0;
- struct route_node *rn;
- rc = ospf_opaque_del_if (ifp);
+ int rc = 0;
+ struct route_node *rn;
+ rc = ospf_opaque_del_if(ifp);
- route_table_finish (IF_OIFS (ifp));
+ route_table_finish(IF_OIFS(ifp));
- for (rn = route_top (IF_OIFS_PARAMS (ifp)); rn; rn = route_next (rn))
- if (rn->info)
- ospf_del_if_params (rn->info);
- route_table_finish (IF_OIFS_PARAMS (ifp));
+ for (rn = route_top(IF_OIFS_PARAMS(ifp)); rn; rn = route_next(rn))
+ if (rn->info)
+ ospf_del_if_params(rn->info);
+ route_table_finish(IF_OIFS_PARAMS(ifp));
- ospf_del_if_params ((struct ospf_if_params *) IF_DEF_PARAMS (ifp));
- XFREE (MTYPE_OSPF_IF_INFO, ifp->info);
- ifp->info = NULL;
+ ospf_del_if_params((struct ospf_if_params *)IF_DEF_PARAMS(ifp));
+ XFREE(MTYPE_OSPF_IF_INFO, ifp->info);
+ ifp->info = NULL;
- return rc;
+ return rc;
}
-int
-ospf_if_is_enable (struct ospf_interface *oi)
+int ospf_if_is_enable(struct ospf_interface *oi)
{
- if (!if_is_loopback (oi->ifp))
- if (if_is_up (oi->ifp))
- return 1;
+ if (!if_is_loopback(oi->ifp))
+ if (if_is_up(oi->ifp))
+ return 1;
- return 0;
+ return 0;
}
-void
-ospf_if_set_multicast(struct ospf_interface *oi)
+void ospf_if_set_multicast(struct ospf_interface *oi)
{
- if ((oi->state > ISM_Loopback) &&
- (oi->type != OSPF_IFTYPE_LOOPBACK) &&
- (oi->type != OSPF_IFTYPE_VIRTUALLINK) &&
- (OSPF_IF_PASSIVE_STATUS(oi) == OSPF_IF_ACTIVE))
- {
- /* The interface should belong to the OSPF-all-routers group. */
- if (!OI_MEMBER_CHECK(oi, MEMBER_ALLROUTERS) &&
- (ospf_if_add_allspfrouters(oi->ospf, oi->address,
- oi->ifp->ifindex) >= 0))
- /* Set the flag only if the system call to join succeeded. */
- OI_MEMBER_JOINED(oi, MEMBER_ALLROUTERS);
- }
- else
- {
- /* The interface should NOT belong to the OSPF-all-routers group. */
- if (OI_MEMBER_CHECK(oi, MEMBER_ALLROUTERS))
- {
- /* Only actually drop if this is the last reference */
- if (OI_MEMBER_COUNT(oi, MEMBER_ALLROUTERS) == 1)
- ospf_if_drop_allspfrouters (oi->ospf, oi->address,
- oi->ifp->ifindex);
- /* Unset the flag regardless of whether the system call to leave
- the group succeeded, since it's much safer to assume that
- we are not a member. */
- OI_MEMBER_LEFT(oi,MEMBER_ALLROUTERS);
- }
- }
-
- if (((oi->type == OSPF_IFTYPE_BROADCAST) ||
- (oi->type == OSPF_IFTYPE_POINTOPOINT)) &&
- ((oi->state == ISM_DR) || (oi->state == ISM_Backup)) &&
- (OSPF_IF_PASSIVE_STATUS(oi) == OSPF_IF_ACTIVE))
- {
- /* The interface should belong to the OSPF-designated-routers group. */
- if (!OI_MEMBER_CHECK(oi, MEMBER_DROUTERS) &&
- (ospf_if_add_alldrouters(oi->ospf, oi->address,
- oi->ifp->ifindex) >= 0))
- /* Set the flag only if the system call to join succeeded. */
- OI_MEMBER_JOINED(oi, MEMBER_DROUTERS);
- }
- else
- {
- /* The interface should NOT belong to the OSPF-designated-routers group */
- if (OI_MEMBER_CHECK(oi, MEMBER_DROUTERS))
- {
- /* drop only if last reference */
- if (OI_MEMBER_COUNT(oi, MEMBER_DROUTERS) == 1)
- ospf_if_drop_alldrouters(oi->ospf, oi->address, oi->ifp->ifindex);
-
- /* Unset the flag regardless of whether the system call to leave
- the group succeeded, since it's much safer to assume that
- we are not a member. */
- OI_MEMBER_LEFT(oi, MEMBER_DROUTERS);
- }
- }
+ if ((oi->state > ISM_Loopback) && (oi->type != OSPF_IFTYPE_LOOPBACK)
+ && (oi->type != OSPF_IFTYPE_VIRTUALLINK)
+ && (OSPF_IF_PASSIVE_STATUS(oi) == OSPF_IF_ACTIVE)) {
+ /* The interface should belong to the OSPF-all-routers group. */
+ if (!OI_MEMBER_CHECK(oi, MEMBER_ALLROUTERS)
+ && (ospf_if_add_allspfrouters(oi->ospf, oi->address,
+ oi->ifp->ifindex)
+ >= 0))
+ /* Set the flag only if the system call to join
+ * succeeded. */
+ OI_MEMBER_JOINED(oi, MEMBER_ALLROUTERS);
+ } else {
+ /* The interface should NOT belong to the OSPF-all-routers
+ * group. */
+ if (OI_MEMBER_CHECK(oi, MEMBER_ALLROUTERS)) {
+ /* Only actually drop if this is the last reference */
+ if (OI_MEMBER_COUNT(oi, MEMBER_ALLROUTERS) == 1)
+ ospf_if_drop_allspfrouters(oi->ospf,
+ oi->address,
+ oi->ifp->ifindex);
+ /* Unset the flag regardless of whether the system call
+ to leave
+ the group succeeded, since it's much safer to assume
+ that
+ we are not a member. */
+ OI_MEMBER_LEFT(oi, MEMBER_ALLROUTERS);
+ }
+ }
+
+ if (((oi->type == OSPF_IFTYPE_BROADCAST)
+ || (oi->type == OSPF_IFTYPE_POINTOPOINT))
+ && ((oi->state == ISM_DR) || (oi->state == ISM_Backup))
+ && (OSPF_IF_PASSIVE_STATUS(oi) == OSPF_IF_ACTIVE)) {
+ /* The interface should belong to the OSPF-designated-routers
+ * group. */
+ if (!OI_MEMBER_CHECK(oi, MEMBER_DROUTERS)
+ && (ospf_if_add_alldrouters(oi->ospf, oi->address,
+ oi->ifp->ifindex)
+ >= 0))
+ /* Set the flag only if the system call to join
+ * succeeded. */
+ OI_MEMBER_JOINED(oi, MEMBER_DROUTERS);
+ } else {
+ /* The interface should NOT belong to the
+ * OSPF-designated-routers group */
+ if (OI_MEMBER_CHECK(oi, MEMBER_DROUTERS)) {
+ /* drop only if last reference */
+ if (OI_MEMBER_COUNT(oi, MEMBER_DROUTERS) == 1)
+ ospf_if_drop_alldrouters(oi->ospf, oi->address,
+ oi->ifp->ifindex);
+
+ /* Unset the flag regardless of whether the system call
+ to leave
+ the group succeeded, since it's much safer to assume
+ that
+ we are not a member. */
+ OI_MEMBER_LEFT(oi, MEMBER_DROUTERS);
+ }
+ }
}
-int
-ospf_if_up (struct ospf_interface *oi)
+int ospf_if_up(struct ospf_interface *oi)
{
- if (oi == NULL)
- return 0;
-
- if (oi->type == OSPF_IFTYPE_LOOPBACK)
- OSPF_ISM_EVENT_SCHEDULE (oi, ISM_LoopInd);
- else
- {
- ospf_if_stream_set (oi);
- OSPF_ISM_EVENT_SCHEDULE (oi, ISM_InterfaceUp);
- }
-
- return 1;
+ if (oi == NULL)
+ return 0;
+
+ if (oi->type == OSPF_IFTYPE_LOOPBACK)
+ OSPF_ISM_EVENT_SCHEDULE(oi, ISM_LoopInd);
+ else {
+ ospf_if_stream_set(oi);
+ OSPF_ISM_EVENT_SCHEDULE(oi, ISM_InterfaceUp);
+ }
+
+ return 1;
}
-int
-ospf_if_down (struct ospf_interface *oi)
+int ospf_if_down(struct ospf_interface *oi)
{
- if (oi == NULL)
- return 0;
+ if (oi == NULL)
+ return 0;
- OSPF_ISM_EVENT_EXECUTE (oi, ISM_InterfaceDown);
- /* delete position in router LSA */
- oi->lsa_pos_beg = 0;
- oi->lsa_pos_end = 0;
- /* Shutdown packet reception and sending */
- ospf_if_stream_unset (oi);
+ OSPF_ISM_EVENT_EXECUTE(oi, ISM_InterfaceDown);
+ /* delete position in router LSA */
+ oi->lsa_pos_beg = 0;
+ oi->lsa_pos_end = 0;
+ /* Shutdown packet reception and sending */
+ ospf_if_stream_unset(oi);
- return 1;
+ return 1;
}
/* Virtual Link related functions. */
-struct ospf_vl_data *
-ospf_vl_data_new (struct ospf_area *area, struct in_addr vl_peer)
+struct ospf_vl_data *ospf_vl_data_new(struct ospf_area *area,
+ struct in_addr vl_peer)
{
- struct ospf_vl_data *vl_data;
+ struct ospf_vl_data *vl_data;
- vl_data = XCALLOC (MTYPE_OSPF_VL_DATA, sizeof (struct ospf_vl_data));
+ vl_data = XCALLOC(MTYPE_OSPF_VL_DATA, sizeof(struct ospf_vl_data));
- vl_data->vl_peer.s_addr = vl_peer.s_addr;
- vl_data->vl_area_id = area->area_id;
- vl_data->format = area->format;
+ vl_data->vl_peer.s_addr = vl_peer.s_addr;
+ vl_data->vl_area_id = area->area_id;
+ vl_data->vl_area_id_fmt = area->area_id_fmt;
- return vl_data;
+ return vl_data;
}
-void
-ospf_vl_data_free (struct ospf_vl_data *vl_data)
+void ospf_vl_data_free(struct ospf_vl_data *vl_data)
{
- XFREE (MTYPE_OSPF_VL_DATA, vl_data);
+ XFREE(MTYPE_OSPF_VL_DATA, vl_data);
}
u_int vlink_count = 0;
-struct ospf_interface *
-ospf_vl_new (struct ospf *ospf, struct ospf_vl_data *vl_data)
+struct ospf_interface *ospf_vl_new(struct ospf *ospf,
+ struct ospf_vl_data *vl_data)
{
- struct ospf_interface * voi;
- struct interface * vi;
- char ifname[INTERFACE_NAMSIZ + 1];
- struct ospf_area *area;
- struct in_addr area_id;
- struct connected *co;
- struct prefix_ipv4 *p;
-
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_vl_new(): Start");
- 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");
- return NULL;
- }
-
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_vl_new(): creating pseudo zebra interface");
-
- snprintf (ifname, sizeof(ifname), "VLINK%d", vlink_count);
- vi = if_create (ifname, strnlen(ifname, sizeof(ifname)), VRF_DEFAULT);
- /*
- * if_create sets ZEBRA_INTERFACE_LINKDETECTION
- * virtual links don't need this.
- */
- UNSET_FLAG (vi->status, ZEBRA_INTERFACE_LINKDETECTION);
- co = connected_new ();
- co->ifp = vi;
- listnode_add (vi->connected, co);
-
- p = prefix_ipv4_new ();
- p->family = AF_INET;
- p->prefix.s_addr = 0;
- p->prefixlen = 0;
-
- co->address = (struct prefix *)p;
-
- voi = ospf_if_new (ospf, vi, co->address);
- if (voi == NULL)
- {
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_vl_new(): Alarm: OSPF int structure is not created");
- return NULL;
- }
- voi->connected = co;
- voi->vl_data = vl_data;
- voi->ifp->mtu = OSPF_VL_MTU;
- voi->type = OSPF_IFTYPE_VIRTUALLINK;
-
- 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);
-
- area_id.s_addr = 0;
- area = ospf_area_get (ospf, area_id, OSPF_AREA_ID_FORMAT_ADDRESS);
- voi->area = area;
-
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_vl_new(): set associated area to the backbone");
-
- /* Add pseudo neighbor. */
- ospf_nbr_self_reset (voi, voi->ospf->router_id);
-
- ospf_area_add_if (voi->area, voi);
-
- ospf_if_stream_set (voi);
-
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_vl_new(): Stop");
- return voi;
+ struct ospf_interface *voi;
+ struct interface *vi;
+ char ifname[INTERFACE_NAMSIZ + 1];
+ struct ospf_area *area;
+ struct in_addr area_id;
+ struct connected *co;
+ struct prefix_ipv4 *p;
+
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug("ospf_vl_new(): Start");
+ 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");
+ return NULL;
+ }
+
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug("ospf_vl_new(): creating pseudo zebra interface vrf id %u",
+ ospf->vrf_id);
+
+ snprintf(ifname, sizeof(ifname), "VLINK%d", vlink_count);
+ vi = if_create(ifname, strnlen(ifname, sizeof(ifname)), ospf->vrf_id);
+ /*
+ * if_create sets ZEBRA_INTERFACE_LINKDETECTION
+ * virtual links don't need this.
+ */
+ UNSET_FLAG(vi->status, ZEBRA_INTERFACE_LINKDETECTION);
+ co = connected_new();
+ co->ifp = vi;
+ listnode_add(vi->connected, co);
+
+ p = prefix_ipv4_new();
+ p->family = AF_INET;
+ p->prefix.s_addr = 0;
+ p->prefixlen = 0;
+
+ co->address = (struct prefix *)p;
+
+ voi = ospf_if_new(ospf, vi, co->address);
+ if (voi == NULL) {
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug(
+ "ospf_vl_new(): Alarm: OSPF int structure is not created");
+ return NULL;
+ }
+ voi->connected = co;
+ voi->vl_data = vl_data;
+ voi->ifp->mtu = OSPF_VL_MTU;
+ voi->type = OSPF_IFTYPE_VIRTUALLINK;
+
+ 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);
+
+ area_id.s_addr = 0;
+ 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");
+
+ /* Add pseudo neighbor. */
+ ospf_nbr_self_reset(voi, voi->ospf->router_id);
+
+ ospf_area_add_if(voi->area, voi);
+
+ ospf_if_stream_set(voi);
+
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug("ospf_vl_new(): Stop");
+ return voi;
}
-static void
-ospf_vl_if_delete (struct ospf_vl_data *vl_data)
+static void ospf_vl_if_delete(struct ospf_vl_data *vl_data)
{
- struct interface *ifp = vl_data->vl_oi->ifp;
- vl_data->vl_oi->address->u.prefix4.s_addr = 0;
- vl_data->vl_oi->address->prefixlen = 0;
- ospf_if_free (vl_data->vl_oi);
- if_delete (ifp);
- vlink_count--;
+ struct interface *ifp = vl_data->vl_oi->ifp;
+ vl_data->vl_oi->address->u.prefix4.s_addr = 0;
+ vl_data->vl_oi->address->prefixlen = 0;
+ ospf_if_free(vl_data->vl_oi);
+ if_delete(ifp);
+ vlink_count--;
}
/* Look up vl_data for given peer, optionally qualified to be in the
* specified area. NULL area returns first found..
*/
-struct ospf_vl_data *
-ospf_vl_lookup (struct ospf *ospf, struct ospf_area *area,
- struct in_addr vl_peer)
+struct ospf_vl_data *ospf_vl_lookup(struct ospf *ospf, struct ospf_area *area,
+ struct in_addr vl_peer)
{
- struct ospf_vl_data *vl_data;
- struct listnode *node;
-
- if (IS_DEBUG_OSPF_EVENT)
- {
- zlog_debug ("%s: Looking for %s", __func__, inet_ntoa (vl_peer));
- if (area)
- zlog_debug ("%s: in area %s", __func__, inet_ntoa (area->area_id));
- }
-
- for (ALL_LIST_ELEMENTS_RO (ospf->vlinks, node, vl_data))
- {
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("%s: VL %s, peer %s", __func__,
- vl_data->vl_oi->ifp->name,
- inet_ntoa (vl_data->vl_peer));
-
- if (area && !IPV4_ADDR_SAME (&vl_data->vl_area_id, &area->area_id))
- continue;
-
- if (IPV4_ADDR_SAME (&vl_data->vl_peer, &vl_peer))
- return vl_data;
- }
-
- return NULL;
+ struct ospf_vl_data *vl_data;
+ struct listnode *node;
+
+ if (IS_DEBUG_OSPF_EVENT) {
+ zlog_debug("%s: Looking for %s", __func__, inet_ntoa(vl_peer));
+ if (area)
+ zlog_debug("%s: in area %s", __func__,
+ inet_ntoa(area->area_id));
+ }
+
+ for (ALL_LIST_ELEMENTS_RO(ospf->vlinks, node, vl_data)) {
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug("%s: VL %s, peer %s", __func__,
+ vl_data->vl_oi->ifp->name,
+ inet_ntoa(vl_data->vl_peer));
+
+ if (area
+ && !IPV4_ADDR_SAME(&vl_data->vl_area_id, &area->area_id))
+ continue;
+
+ if (IPV4_ADDR_SAME(&vl_data->vl_peer, &vl_peer))
+ return vl_data;
+ }
+
+ return NULL;
}
-static void
-ospf_vl_shutdown (struct ospf_vl_data *vl_data)
+static void ospf_vl_shutdown(struct ospf_vl_data *vl_data)
{
- struct ospf_interface *oi;
+ struct ospf_interface *oi;
- if ((oi = vl_data->vl_oi) == NULL)
- return;
+ if ((oi = vl_data->vl_oi) == NULL)
+ return;
- oi->address->u.prefix4.s_addr = 0;
- oi->address->prefixlen = 0;
+ oi->address->u.prefix4.s_addr = 0;
+ oi->address->prefixlen = 0;
- UNSET_FLAG (oi->ifp->flags, IFF_UP);
- /* OSPF_ISM_EVENT_SCHEDULE (oi, ISM_InterfaceDown); */
- OSPF_ISM_EVENT_EXECUTE (oi, ISM_InterfaceDown);
+ UNSET_FLAG(oi->ifp->flags, IFF_UP);
+ /* OSPF_ISM_EVENT_SCHEDULE (oi, ISM_InterfaceDown); */
+ OSPF_ISM_EVENT_EXECUTE(oi, ISM_InterfaceDown);
}
-void
-ospf_vl_add (struct ospf *ospf, struct ospf_vl_data *vl_data)
+void ospf_vl_add(struct ospf *ospf, struct ospf_vl_data *vl_data)
{
- listnode_add (ospf->vlinks, vl_data);
- hook_call(ospf_vl_add, vl_data);
+ listnode_add(ospf->vlinks, vl_data);
+ hook_call(ospf_vl_add, vl_data);
}
-void
-ospf_vl_delete (struct ospf *ospf, struct ospf_vl_data *vl_data)
+void ospf_vl_delete(struct ospf *ospf, struct ospf_vl_data *vl_data)
{
- ospf_vl_shutdown (vl_data);
- ospf_vl_if_delete (vl_data);
+ ospf_vl_shutdown(vl_data);
+ ospf_vl_if_delete(vl_data);
- hook_call(ospf_vl_delete, vl_data);
- listnode_delete (ospf->vlinks, vl_data);
+ hook_call(ospf_vl_delete, vl_data);
+ listnode_delete(ospf->vlinks, vl_data);
- ospf_vl_data_free (vl_data);
+ ospf_vl_data_free(vl_data);
}
-static int
-ospf_vl_set_params (struct ospf_vl_data *vl_data, struct vertex *v)
+static int ospf_vl_set_params(struct ospf_vl_data *vl_data, struct vertex *v)
{
- int changed = 0;
- struct ospf_interface *voi;
- struct listnode *node;
- struct vertex_parent *vp = NULL;
- unsigned int i;
- struct router_lsa *rl;
-
- voi = vl_data->vl_oi;
-
- if (voi->output_cost != v->distance)
- {
-
- voi->output_cost = v->distance;
- changed = 1;
- }
-
- for (ALL_LIST_ELEMENTS_RO (v->parents, node, vp))
- {
- vl_data->nexthop.oi = vp->nexthop->oi;
- vl_data->nexthop.router = vp->nexthop->router;
-
- if (!IPV4_ADDR_SAME(&voi->address->u.prefix4,
- &vl_data->nexthop.oi->address->u.prefix4))
- changed = 1;
-
- voi->address->u.prefix4 = vl_data->nexthop.oi->address->u.prefix4;
- voi->address->prefixlen = vl_data->nexthop.oi->address->prefixlen;
-
- break; /* We take the first interface. */
- }
-
- rl = (struct router_lsa *)v->lsa;
-
- /* use SPF determined backlink index in struct vertex
- * for virtual link destination address
- */
- if (vp && vp->backlink >= 0)
- {
- if (!IPV4_ADDR_SAME (&vl_data->peer_addr,
- &rl->link[vp->backlink].link_data))
- changed = 1;
- vl_data->peer_addr = rl->link[vp->backlink].link_data;
- }
- else
- {
- /* This is highly odd, there is no backlink index
- * there should be due to the ospf_spf_has_link() check
- * in SPF. Lets warn and try pick a link anyway.
- */
- zlog_warn ("ospf_vl_set_params: No backlink for %s!",
- vl_data->vl_oi->ifp->name);
- for (i = 0; i < ntohs (rl->links); i++)
- {
- switch (rl->link[i].type)
- {
- case LSA_LINK_TYPE_VIRTUALLINK:
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("found back link through VL");
- case LSA_LINK_TYPE_TRANSIT:
- case LSA_LINK_TYPE_POINTOPOINT:
- if (!IPV4_ADDR_SAME (&vl_data->peer_addr,
- &rl->link[i].link_data))
- changed = 1;
- vl_data->peer_addr = rl->link[i].link_data;
- }
- }
- }
-
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("%s: %s peer address: %s, cost: %d,%schanged", __func__,
- vl_data->vl_oi->ifp->name,
- inet_ntoa(vl_data->peer_addr),
- voi->output_cost,
- (changed ? " " : " un"));
-
- return changed;
+ int changed = 0;
+ struct ospf_interface *voi;
+ struct listnode *node;
+ struct vertex_parent *vp = NULL;
+ unsigned int i;
+ struct router_lsa *rl;
+
+ voi = vl_data->vl_oi;
+
+ if (voi->output_cost != v->distance) {
+
+ voi->output_cost = v->distance;
+ changed = 1;
+ }
+
+ for (ALL_LIST_ELEMENTS_RO(v->parents, node, vp)) {
+ vl_data->nexthop.oi = vp->nexthop->oi;
+ vl_data->nexthop.router = vp->nexthop->router;
+
+ if (!IPV4_ADDR_SAME(&voi->address->u.prefix4,
+ &vl_data->nexthop.oi->address->u.prefix4))
+ changed = 1;
+
+ voi->address->u.prefix4 =
+ vl_data->nexthop.oi->address->u.prefix4;
+ voi->address->prefixlen =
+ vl_data->nexthop.oi->address->prefixlen;
+
+ break; /* We take the first interface. */
+ }
+
+ rl = (struct router_lsa *)v->lsa;
+
+ /* use SPF determined backlink index in struct vertex
+ * for virtual link destination address
+ */
+ if (vp && vp->backlink >= 0) {
+ if (!IPV4_ADDR_SAME(&vl_data->peer_addr,
+ &rl->link[vp->backlink].link_data))
+ changed = 1;
+ vl_data->peer_addr = rl->link[vp->backlink].link_data;
+ } else {
+ /* This is highly odd, there is no backlink index
+ * there should be due to the ospf_spf_has_link() check
+ * in SPF. Lets warn and try pick a link anyway.
+ */
+ zlog_warn("ospf_vl_set_params: No backlink for %s!",
+ vl_data->vl_oi->ifp->name);
+ for (i = 0; i < ntohs(rl->links); i++) {
+ switch (rl->link[i].type) {
+ case LSA_LINK_TYPE_VIRTUALLINK:
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug(
+ "found back link through VL");
+ /* fallthru */
+ case LSA_LINK_TYPE_TRANSIT:
+ case LSA_LINK_TYPE_POINTOPOINT:
+ if (!IPV4_ADDR_SAME(&vl_data->peer_addr,
+ &rl->link[i].link_data))
+ changed = 1;
+ vl_data->peer_addr = rl->link[i].link_data;
+ }
+ }
+ }
+
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug("%s: %s peer address: %s, cost: %d,%schanged",
+ __func__, vl_data->vl_oi->ifp->name,
+ inet_ntoa(vl_data->peer_addr), voi->output_cost,
+ (changed ? " " : " un"));
+
+ return changed;
}
-void
-ospf_vl_up_check (struct ospf_area *area, struct in_addr rid,
- struct vertex *v)
+void ospf_vl_up_check(struct ospf_area *area, struct in_addr rid,
+ struct vertex *v)
{
- struct ospf *ospf = area->ospf;
- struct listnode *node;
- struct ospf_vl_data *vl_data;
- 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 %s", inet_ntoa (rid));
- zlog_debug ("ospf_vl_up_check(): Area is %s", inet_ntoa (area->area_id));
- }
-
- for (ALL_LIST_ELEMENTS_RO (ospf->vlinks, node, vl_data))
- {
- if (IS_DEBUG_OSPF_EVENT)
- {
- zlog_debug ("%s: considering VL, %s in area %s", __func__,
- vl_data->vl_oi->ifp->name,
- inet_ntoa (vl_data->vl_area_id));
- zlog_debug ("%s: peer ID: %s", __func__,
- inet_ntoa (vl_data->vl_peer));
+ struct ospf *ospf = area->ospf;
+ struct listnode *node;
+ struct ospf_vl_data *vl_data;
+ 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 %s",
+ inet_ntoa(rid));
+ zlog_debug("ospf_vl_up_check(): Area is %s",
+ inet_ntoa(area->area_id));
}
- if (IPV4_ADDR_SAME (&vl_data->vl_peer, &rid) &&
- IPV4_ADDR_SAME (&vl_data->vl_area_id, &area->area_id))
- {
- oi = vl_data->vl_oi;
- SET_FLAG (vl_data->flags, OSPF_VL_FLAG_APPROVED);
-
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_vl_up_check(): this VL matched");
-
- if (oi->state == ISM_Down)
- {
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_vl_up_check(): VL is down, waking it up");
- SET_FLAG (oi->ifp->flags, IFF_UP);
- OSPF_ISM_EVENT_EXECUTE(oi,ISM_InterfaceUp);
- }
-
- if (ospf_vl_set_params (vl_data, v))
- {
- if (IS_DEBUG_OSPF (ism, ISM_EVENTS))
- zlog_debug ("ospf_vl_up_check: VL cost change,"
- " scheduling router lsa refresh");
- 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!");
- }
- }
- }
+ for (ALL_LIST_ELEMENTS_RO(ospf->vlinks, node, vl_data)) {
+ if (IS_DEBUG_OSPF_EVENT) {
+ zlog_debug("%s: considering VL, %s in area %s",
+ __func__, vl_data->vl_oi->ifp->name,
+ inet_ntoa(vl_data->vl_area_id));
+ zlog_debug("%s: peer ID: %s", __func__,
+ inet_ntoa(vl_data->vl_peer));
+ }
+
+ if (IPV4_ADDR_SAME(&vl_data->vl_peer, &rid)
+ && IPV4_ADDR_SAME(&vl_data->vl_area_id, &area->area_id)) {
+ oi = vl_data->vl_oi;
+ SET_FLAG(vl_data->flags, OSPF_VL_FLAG_APPROVED);
+
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug(
+ "ospf_vl_up_check(): this VL matched");
+
+ if (oi->state == ISM_Down) {
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug(
+ "ospf_vl_up_check(): VL is down, waking it up");
+ SET_FLAG(oi->ifp->flags, IFF_UP);
+ OSPF_ISM_EVENT_EXECUTE(oi, ISM_InterfaceUp);
+ }
+
+ if (ospf_vl_set_params(vl_data, v)) {
+ if (IS_DEBUG_OSPF(ism, ISM_EVENTS))
+ zlog_debug(
+ "ospf_vl_up_check: VL cost change,"
+ " scheduling router lsa refresh");
+ 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!");
+ }
+ }
+ }
}
-void
-ospf_vl_unapprove (struct ospf *ospf)
+void ospf_vl_unapprove(struct ospf *ospf)
{
- struct listnode *node;
- struct ospf_vl_data *vl_data;
+ struct listnode *node;
+ struct ospf_vl_data *vl_data;
- for (ALL_LIST_ELEMENTS_RO (ospf->vlinks, node, vl_data))
- UNSET_FLAG (vl_data->flags, OSPF_VL_FLAG_APPROVED);
+ for (ALL_LIST_ELEMENTS_RO(ospf->vlinks, node, vl_data))
+ UNSET_FLAG(vl_data->flags, OSPF_VL_FLAG_APPROVED);
}
-void
-ospf_vl_shut_unapproved (struct ospf *ospf)
+void ospf_vl_shut_unapproved(struct ospf *ospf)
{
- struct listnode *node, *nnode;
- struct ospf_vl_data *vl_data;
+ struct listnode *node, *nnode;
+ struct ospf_vl_data *vl_data;
- for (ALL_LIST_ELEMENTS (ospf->vlinks, node, nnode, vl_data))
- if (!CHECK_FLAG (vl_data->flags, OSPF_VL_FLAG_APPROVED))
- ospf_vl_shutdown (vl_data);
+ for (ALL_LIST_ELEMENTS(ospf->vlinks, node, nnode, vl_data))
+ if (!CHECK_FLAG(vl_data->flags, OSPF_VL_FLAG_APPROVED))
+ ospf_vl_shutdown(vl_data);
}
-int
-ospf_full_virtual_nbrs (struct ospf_area *area)
+int ospf_full_virtual_nbrs(struct ospf_area *area)
{
- if (IS_DEBUG_OSPF_EVENT)
- {
- zlog_debug ("counting fully adjacent virtual neighbors in area %s",
- inet_ntoa (area->area_id));
- zlog_debug ("there are %d of them", area->full_vls);
- }
-
- return area->full_vls;
+ if (IS_DEBUG_OSPF_EVENT) {
+ zlog_debug(
+ "counting fully adjacent virtual neighbors in area %s",
+ inet_ntoa(area->area_id));
+ zlog_debug("there are %d of them", area->full_vls);
+ }
+
+ return area->full_vls;
}
-int
-ospf_vls_in_area (struct ospf_area *area)
+int ospf_vls_in_area(struct ospf_area *area)
{
- struct listnode *node;
- struct ospf_vl_data *vl_data;
- int c = 0;
+ struct listnode *node;
+ struct ospf_vl_data *vl_data;
+ int c = 0;
- for (ALL_LIST_ELEMENTS_RO (area->ospf->vlinks, node, vl_data))
- if (IPV4_ADDR_SAME (&vl_data->vl_area_id, &area->area_id))
- c++;
+ for (ALL_LIST_ELEMENTS_RO(area->ospf->vlinks, node, vl_data))
+ if (IPV4_ADDR_SAME(&vl_data->vl_area_id, &area->area_id))
+ c++;
- return c;
+ return c;
}
-struct crypt_key *
-ospf_crypt_key_new ()
+struct crypt_key *ospf_crypt_key_new()
{
- return XCALLOC (MTYPE_OSPF_CRYPT_KEY, sizeof (struct crypt_key));
+ return XCALLOC(MTYPE_OSPF_CRYPT_KEY, sizeof(struct crypt_key));
}
-void
-ospf_crypt_key_add (struct list *crypt, struct crypt_key *ck)
+void ospf_crypt_key_add(struct list *crypt, struct crypt_key *ck)
{
- listnode_add (crypt, ck);
+ listnode_add(crypt, ck);
}
-struct crypt_key *
-ospf_crypt_key_lookup (struct list *auth_crypt, u_char key_id)
+struct crypt_key *ospf_crypt_key_lookup(struct list *auth_crypt, u_char key_id)
{
- struct listnode *node;
- struct crypt_key *ck;
+ struct listnode *node;
+ struct crypt_key *ck;
- for (ALL_LIST_ELEMENTS_RO (auth_crypt, node, ck))
- if (ck->key_id == key_id)
- return ck;
+ for (ALL_LIST_ELEMENTS_RO(auth_crypt, node, ck))
+ if (ck->key_id == key_id)
+ return ck;
- return NULL;
+ return NULL;
}
-int
-ospf_crypt_key_delete (struct list *auth_crypt, u_char key_id)
+int ospf_crypt_key_delete(struct list *auth_crypt, u_char key_id)
{
- struct listnode *node, *nnode;
- struct crypt_key *ck;
-
- for (ALL_LIST_ELEMENTS (auth_crypt, node, nnode, ck))
- {
- if (ck->key_id == key_id)
- {
- listnode_delete (auth_crypt, ck);
- XFREE (MTYPE_OSPF_CRYPT_KEY, ck);
- return 1;
- }
- }
-
- return 0;
+ struct listnode *node, *nnode;
+ struct crypt_key *ck;
+
+ for (ALL_LIST_ELEMENTS(auth_crypt, node, nnode, ck)) {
+ if (ck->key_id == key_id) {
+ listnode_delete(auth_crypt, ck);
+ XFREE(MTYPE_OSPF_CRYPT_KEY, ck);
+ return 1;
+ }
+ }
+
+ return 0;
}
-u_char
-ospf_default_iftype(struct interface *ifp)
+u_char ospf_default_iftype(struct interface *ifp)
{
- if (if_is_pointopoint (ifp))
- return OSPF_IFTYPE_POINTOPOINT;
- else if (if_is_loopback (ifp))
- return OSPF_IFTYPE_LOOPBACK;
- else
- return OSPF_IFTYPE_BROADCAST;
+ if (if_is_pointopoint(ifp))
+ return OSPF_IFTYPE_POINTOPOINT;
+ else if (if_is_loopback(ifp))
+ return OSPF_IFTYPE_LOOPBACK;
+ else
+ return OSPF_IFTYPE_BROADCAST;
}
-void
-ospf_if_init ()
+void ospf_if_init()
{
- /* Initialize Zebra interface data structure. */
- om->iflist = vrf_iflist (VRF_DEFAULT);
- if_add_hook (IF_NEW_HOOK, ospf_if_new_hook);
- if_add_hook (IF_DELETE_HOOK, ospf_if_delete_hook);
+ /* Initialize Zebra interface data structure. */
+ hook_register_prio(if_add, 0, ospf_if_new_hook);
+ hook_register_prio(if_del, 0, ospf_if_delete_hook);
}