/* * Copyright (C) 2003 Yasuhiro Ohara * * 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 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. */ #include #include "memory.h" #include "if.h" #include "log.h" #include "command.h" #include "thread.h" #include "prefix.h" #include "plist.h" #include "ospf6d.h" #include "ospf6_lsa.h" #include "ospf6_lsdb.h" #include "ospf6_network.h" #include "ospf6_message.h" #include "ospf6_route.h" #include "ospf6_top.h" #include "ospf6_area.h" #include "ospf6_interface.h" #include "ospf6_neighbor.h" #include "ospf6_intra.h" #include "ospf6_spf.h" unsigned char conf_debug_ospf6_interface = 0; char *ospf6_interface_state_str[] = { "None", "Down", "Loopback", "Waiting", "PointToPoint", "DROther", "BDR", "DR", NULL }; struct ospf6_interface * ospf6_interface_lookup_by_ifindex (int ifindex) { struct ospf6_interface *oi; struct interface *ifp; ifp = if_lookup_by_index (ifindex); if (ifp == NULL) return (struct ospf6_interface *) NULL; oi = (struct ospf6_interface *) ifp->info; return oi; } struct ospf6_interface * ospf6_interface_lookup_by_name (char *ifname) { struct ospf6_interface *oi; struct interface *ifp; ifp = if_lookup_by_name (ifname); if (ifp == NULL) return (struct ospf6_interface *) NULL; oi = (struct ospf6_interface *) ifp->info; return oi; } /* schedule routing table recalculation */ void ospf6_interface_lsdb_hook (struct ospf6_lsa *lsa) { struct ospf6_interface *oi; oi = (struct ospf6_interface *) lsa->scope; switch (ntohs (lsa->header->type)) { case OSPF6_LSTYPE_LINK: if (oi->state == OSPF6_INTERFACE_DR) OSPF6_INTRA_PREFIX_LSA_SCHEDULE_TRANSIT (oi); ospf6_spf_schedule (oi->area); break; default: if (IS_OSPF6_DEBUG_LSA (RECV)) zlog_info ("Unknown LSA in Interface %s's lsdb", oi->interface->name); break; } } /* Create new ospf6 interface structure */ struct ospf6_interface * ospf6_interface_create (struct interface *ifp) { struct ospf6_interface *oi; int iobuflen; oi = (struct ospf6_interface *) XMALLOC (MTYPE_OSPF6_IF, sizeof (struct ospf6_interface)); if (oi) memset (oi, 0, sizeof (struct ospf6_interface)); else { zlog_err ("Can't malloc ospf6_interface for ifindex %d", ifp->ifindex); return (struct ospf6_interface *) NULL; } oi->area = (struct ospf6_area *) NULL; oi->neighbor_list = list_new (); oi->neighbor_list->cmp = ospf6_neighbor_cmp; oi->linklocal_addr = (struct in6_addr *) NULL; oi->instance_id = 0; oi->transdelay = 1; oi->priority = 1; oi->hello_interval = 10; oi->dead_interval = 40; oi->rxmt_interval = 5; oi->cost = 1; oi->state = OSPF6_INTERFACE_DOWN; oi->flag = 0; /* Try to adjust I/O buffer size with IfMtu */ oi->ifmtu = ifp->mtu6; iobuflen = ospf6_iobuf_size (ifp->mtu6); if (oi->ifmtu > iobuflen) { zlog_info ("Interface %s: IfMtu is adjusted to I/O buffer size: %d.", ifp->name, iobuflen); oi->ifmtu = iobuflen; } oi->lsupdate_list = ospf6_lsdb_create (); oi->lsack_list = ospf6_lsdb_create (); oi->lsdb = ospf6_lsdb_create (); oi->lsdb->hook_add = ospf6_interface_lsdb_hook; oi->lsdb->hook_remove = ospf6_interface_lsdb_hook; oi->route_connected = ospf6_route_table_create (); /* link both */ oi->interface = ifp; ifp->info = oi; return oi; } void ospf6_interface_delete (struct ospf6_interface *oi) { listnode n; struct ospf6_neighbor *on; for (n = listhead (oi->neighbor_list); n; nextnode (n)) { on = (struct ospf6_neighbor *) getdata (n); ospf6_neighbor_delete (on); } list_delete (oi->neighbor_list); THREAD_OFF (oi->thread_send_hello); THREAD_OFF (oi->thread_send_lsupdate); THREAD_OFF (oi->thread_send_lsack); ospf6_lsdb_remove_all (oi->lsdb); ospf6_lsdb_remove_all (oi->lsupdate_list); ospf6_lsdb_remove_all (oi->lsack_list); ospf6_lsdb_delete (oi->lsdb); ospf6_lsdb_delete (oi->lsupdate_list); ospf6_lsdb_delete (oi->lsack_list); ospf6_route_table_delete (oi->route_connected); /* cut link */ oi->interface->info = NULL; /* plist_name */ if (oi->plist_name) XFREE (MTYPE_PREFIX_LIST_STR, oi->plist_name); XFREE (MTYPE_OSPF6_IF, oi); } void ospf6_interface_enable (struct ospf6_interface *oi) { UNSET_FLAG (oi->flag, OSPF6_INTERFACE_DISABLE); oi->thread_send_hello = thread_add_event (master, ospf6_hello_send, oi, 0); } void ospf6_interface_disable (struct ospf6_interface *oi) { listnode i; struct ospf6_neighbor *on; SET_FLAG (oi->flag, OSPF6_INTERFACE_DISABLE); for (i = listhead (oi->neighbor_list); i; nextnode (i)) { on = (struct ospf6_neighbor *) getdata (i); ospf6_neighbor_delete (on); } list_delete_all_node (oi->neighbor_list); ospf6_lsdb_remove_all (oi->lsdb); ospf6_lsdb_remove_all (oi->lsupdate_list); ospf6_lsdb_remove_all (oi->lsack_list); THREAD_OFF (oi->thread_send_hello); THREAD_OFF (oi->thread_send_lsupdate); THREAD_OFF (oi->thread_send_lsack); } static struct in6_addr * ospf6_interface_get_linklocal_address (struct interface *ifp) { listnode n; struct connected *c; struct in6_addr *l = (struct in6_addr *) NULL; /* for each connected address */ for (n = listhead (ifp->connected); n; nextnode (n)) { c = (struct connected *) getdata (n); /* if family not AF_INET6, ignore */ if (c->address->family != AF_INET6) continue; /* linklocal scope check */ if (IN6_IS_ADDR_LINKLOCAL (&c->address->u.prefix6)) l = &c->address->u.prefix6; } return l; } void ospf6_interface_if_add (struct interface *ifp) { struct ospf6_interface *oi; int iobuflen; oi = (struct ospf6_interface *) ifp->info; if (oi == NULL) return; /* Try to adjust I/O buffer size with IfMtu */ if (oi->ifmtu == 0) oi->ifmtu = ifp->mtu6; iobuflen = ospf6_iobuf_size (ifp->mtu6); if (oi->ifmtu > iobuflen) { zlog_info ("Interface %s: IfMtu is adjusted to I/O buffer size: %d.", ifp->name, iobuflen); oi->ifmtu = iobuflen; } /* interface start */ if (oi->area) thread_add_event (master, interface_up, oi, 0); } void ospf6_interface_if_del (struct interface *ifp) { struct ospf6_interface *oi; oi = (struct ospf6_interface *) ifp->info; if (oi == NULL) return; /* interface stop */ if (oi->area) thread_execute (master, interface_down, oi, 0); listnode_delete (oi->area->if_list, oi); oi->area = (struct ospf6_area *) NULL; /* cut link */ oi->interface = NULL; ifp->info = NULL; ospf6_interface_delete (oi); } void ospf6_interface_state_update (struct interface *ifp) { struct ospf6_interface *oi; oi = (struct ospf6_interface *) ifp->info; if (oi == NULL) return; if (oi->area == NULL) return; if (if_is_up (ifp)) thread_add_event (master, interface_up, oi, 0); else thread_add_event (master, interface_down, oi, 0); return; } void ospf6_interface_connected_route_update (struct interface *ifp) { struct ospf6_interface *oi; struct ospf6_route *route; struct connected *c; listnode i; oi = (struct ospf6_interface *) ifp->info; if (oi == NULL) return; /* reset linklocal pointer */ oi->linklocal_addr = ospf6_interface_get_linklocal_address (ifp); /* if area is null, do not make connected-route list */ if (oi->area == NULL) return; /* update "route to advertise" interface route table */ ospf6_route_remove_all (oi->route_connected); for (i = listhead (oi->interface->connected); i; nextnode (i)) { c = (struct connected *) getdata (i); if (c->address->family != AF_INET6) continue; CONTINUE_IF_ADDRESS_LINKLOCAL (c->address); CONTINUE_IF_ADDRESS_UNSPECIFIED (c->address); CONTINUE_IF_ADDRESS_LOOPBACK (c->address); CONTINUE_IF_ADDRESS_V4COMPAT (c->address); CONTINUE_IF_ADDRESS_V4MAPPED (c->address); /* apply filter */ if (oi->plist_name) { struct prefix_list *plist; enum prefix_list_type ret; char buf[128]; prefix2str (c->address, buf, sizeof (buf)); plist = prefix_list_lookup (AFI_IP6, oi->plist_name); ret = prefix_list_apply (plist, (void *) c->address); if (ret == PREFIX_DENY) { zlog_info ("%s on %s filtered by prefix-list %s ", buf, oi->interface->name, oi->plist_name); continue; } } route = ospf6_route_create (); memcpy (&route->prefix, c->address, sizeof (struct prefix)); apply_mask (&route->prefix); route->type = OSPF6_DEST_TYPE_NETWORK; route->path.area_id = oi->area->area_id; route->path.type = OSPF6_PATH_TYPE_INTRA; route->path.cost = oi->cost; route->nexthop[0].ifindex = oi->interface->ifindex; inet_pton (AF_INET6, "::1", &route->nexthop[0].address); ospf6_route_add (route, oi->route_connected); } /* create new Link-LSA */ OSPF6_LINK_LSA_SCHEDULE (oi); OSPF6_INTRA_PREFIX_LSA_SCHEDULE_TRANSIT (oi); OSPF6_INTRA_PREFIX_LSA_SCHEDULE_STUB (oi->area); } static void ospf6_interface_state_change (u_char next_state, struct ospf6_interface *oi) { u_char prev_state; prev_state = oi->state; oi->state = next_state; if (prev_state == next_state) return; /* log */ if (IS_OSPF6_DEBUG_INTERFACE) { zlog_info ("Interface state change %s: %s -> %s", oi->interface->name, ospf6_interface_state_str[prev_state], ospf6_interface_state_str[next_state]); } if ((prev_state == OSPF6_INTERFACE_DR || prev_state == OSPF6_INTERFACE_BDR) && (next_state != OSPF6_INTERFACE_DR && next_state != OSPF6_INTERFACE_BDR)) ospf6_leave_alldrouters (oi->interface->ifindex); if ((prev_state != OSPF6_INTERFACE_DR && prev_state != OSPF6_INTERFACE_BDR) && (next_state == OSPF6_INTERFACE_DR || next_state == OSPF6_INTERFACE_BDR)) ospf6_join_alldrouters (oi->interface->ifindex); OSPF6_ROUTER_LSA_SCHEDULE (oi->area); if (prev_state == OSPF6_INTERFACE_DR || next_state == OSPF6_INTERFACE_DR) { OSPF6_NETWORK_LSA_SCHEDULE (oi); OSPF6_INTRA_PREFIX_LSA_SCHEDULE_TRANSIT (oi); OSPF6_INTRA_PREFIX_LSA_SCHEDULE_STUB (oi->area); } } /* DR Election, RFC2328 section 9.4 */ #define IS_ELIGIBLE(n) \ ((n)->state >= OSPF6_NEIGHBOR_TWOWAY && (n)->priority != 0) static struct ospf6_neighbor * better_bdrouter (struct ospf6_neighbor *a, struct ospf6_neighbor *b) { if ((a == NULL || ! IS_ELIGIBLE (a) || a->drouter == a->router_id) && (b == NULL || ! IS_ELIGIBLE (b) || b->drouter == b->router_id)) return NULL; else if (a == NULL || ! IS_ELIGIBLE (a) || a->drouter == a->router_id) return b; else if (b == NULL || ! IS_ELIGIBLE (b) || b->drouter == b->router_id) return a; if (a->bdrouter == a->router_id && b->bdrouter != b->router_id) return a; if (a->bdrouter != a->router_id && b->bdrouter == b->router_id) return b; if (a->priority > b->priority) return a; if (a->priority < b->priority) return b; if (ntohl (a->router_id) > ntohl (b->router_id)) return a; if (ntohl (a->router_id) < ntohl (b->router_id)) return b; zlog_warn ("Router-ID duplicate ?"); return a; } static struct ospf6_neighbor * better_drouter (struct ospf6_neighbor *a, struct ospf6_neighbor *b) { if ((a == NULL || ! IS_ELIGIBLE (a) || a->drouter != a->router_id) && (b == NULL || ! IS_ELIGIBLE (b) || b->drouter != b->router_id)) return NULL; else if (a == NULL || ! IS_ELIGIBLE (a) || a->drouter != a->router_id) return b; else if (b == NULL || ! IS_ELIGIBLE (b) || b->drouter != b->router_id) return a; if (a->drouter == a->router_id && b->drouter != b->router_id) return a; if (a->drouter != a->router_id && b->drouter == b->router_id) return b; if (a->priority > b->priority) return a; if (a->priority < b->priority) return b; if (ntohl (a->router_id) > ntohl (b->router_id)) return a; if (ntohl (a->router_id) < ntohl (b->router_id)) return b; zlog_warn ("Router-ID duplicate ?"); return a; } static u_char dr_election (struct ospf6_interface *oi) { listnode i; struct ospf6_neighbor *on, *drouter, *bdrouter, myself; struct ospf6_neighbor *best_drouter, *best_bdrouter; u_char next_state = 0; drouter = bdrouter = NULL; best_drouter = best_bdrouter = NULL; /* pseudo neighbor myself, including noting current DR/BDR (1) */ memset (&myself, 0, sizeof (myself)); inet_ntop (AF_INET, &oi->area->ospf6->router_id, myself.name, sizeof (myself.name)); myself.state = OSPF6_NEIGHBOR_TWOWAY; myself.drouter = oi->drouter; myself.bdrouter = oi->bdrouter; myself.priority = oi->priority; myself.router_id = oi->area->ospf6->router_id; /* Electing BDR (2) */ for (i = listhead (oi->neighbor_list); i; nextnode (i)) { on = (struct ospf6_neighbor *) getdata (i); bdrouter = better_bdrouter (bdrouter, on); } best_bdrouter = bdrouter; bdrouter = better_bdrouter (best_bdrouter, &myself); /* Electing DR (3) */ for (i = listhead (oi->neighbor_list); i; nextnode (i)) { on = (struct ospf6_neighbor *) getdata (i); drouter = better_drouter (drouter, on); } best_drouter = drouter; drouter = better_drouter (best_drouter, &myself); if (drouter == NULL) drouter = bdrouter; /* the router itself is newly/no longer DR/BDR (4) */ if ((drouter == &myself && myself.drouter != myself.router_id) || (drouter != &myself && myself.drouter == myself.router_id) || (bdrouter == &myself && myself.bdrouter != myself.router_id) || (bdrouter != &myself && myself.bdrouter == myself.router_id)) { myself.drouter = (drouter ? drouter->router_id : htonl (0)); myself.bdrouter = (bdrouter ? bdrouter->router_id : htonl (0)); /* compatible to Electing BDR (2) */ bdrouter = better_bdrouter (best_bdrouter, &myself); /* compatible to Electing DR (3) */ drouter = better_drouter (best_drouter, &myself); if (drouter == NULL) drouter = bdrouter; } /* Set interface state accordingly (5) */ if (drouter && drouter == &myself) next_state = OSPF6_INTERFACE_DR; else if (bdrouter && bdrouter == &myself) next_state = OSPF6_INTERFACE_BDR; else next_state = OSPF6_INTERFACE_DROTHER; /* If NBMA, schedule Start for each neighbor having priority of 0 (6) */ /* XXX */ /* If DR or BDR change, invoke AdjOK? for each neighbor (7) */ /* RFC 2328 section 12.4. Originating LSAs (3) will be handled accordingly after AdjOK */ if (oi->drouter != (drouter ? drouter->router_id : htonl (0)) || oi->bdrouter != (bdrouter ? bdrouter->router_id : htonl (0))) { if (IS_OSPF6_DEBUG_INTERFACE) zlog_info ("DR Election on %s: DR: %s BDR: %s", oi->interface->name, (drouter ? drouter->name : "0.0.0.0"), (bdrouter ? bdrouter->name : "0.0.0.0")); for (i = listhead (oi->neighbor_list); i; nextnode (i)) { on = (struct ospf6_neighbor *) getdata (i); if (on->state < OSPF6_NEIGHBOR_TWOWAY) continue; /* Schedule AdjOK. */ thread_add_event (master, adj_ok, on, 0); } } oi->drouter = (drouter ? drouter->router_id : htonl (0)); oi->bdrouter = (bdrouter ? bdrouter->router_id : htonl (0)); return next_state; } /* Interface State Machine */ int interface_up (struct thread *thread) { struct ospf6_interface *oi; oi = (struct ospf6_interface *) THREAD_ARG (thread); assert (oi && oi->interface); if (IS_OSPF6_DEBUG_INTERFACE) zlog_info ("Interface Event %s: [InterfaceUp]", oi->interface->name); /* check physical interface is up */ if (! if_is_up (oi->interface)) { if (IS_OSPF6_DEBUG_INTERFACE) zlog_info ("Interface %s is down, can't execute [InterfaceUp]", oi->interface->name); return 0; } /* if already enabled, do nothing */ if (oi->state > OSPF6_INTERFACE_DOWN) { if (IS_OSPF6_DEBUG_INTERFACE) zlog_info ("Interface %s already enabled", oi->interface->name); return 0; } /* Join AllSPFRouters */ ospf6_join_allspfrouters (oi->interface->ifindex); /* Update interface route */ ospf6_interface_connected_route_update (oi->interface); /* Schedule Hello */ if (! CHECK_FLAG (oi->flag, OSPF6_INTERFACE_PASSIVE)) thread_add_event (master, ospf6_hello_send, oi, 0); /* decide next interface state */ if (if_is_pointopoint (oi->interface)) ospf6_interface_state_change (OSPF6_INTERFACE_POINTTOPOINT, oi); else if (oi->priority == 0) ospf6_interface_state_change (OSPF6_INTERFACE_DROTHER, oi); else { ospf6_interface_state_change (OSPF6_INTERFACE_WAITING, oi); thread_add_timer (master, wait_timer, oi, oi->dead_interval); } return 0; } int wait_timer (struct thread *thread) { struct ospf6_interface *oi; oi = (struct ospf6_interface *) THREAD_ARG (thread); assert (oi && oi->interface); if (IS_OSPF6_DEBUG_INTERFACE) zlog_info ("Interface Event %s: [WaitTimer]", oi->interface->name); if (oi->state == OSPF6_INTERFACE_WAITING) ospf6_interface_state_change (dr_election (oi), oi); return 0; } int backup_seen (struct thread *thread) { struct ospf6_interface *oi; oi = (struct ospf6_interface *) THREAD_ARG (thread); assert (oi && oi->interface); if (IS_OSPF6_DEBUG_INTERFACE) zlog_info ("Interface Event %s: [BackupSeen]", oi->interface->name); if (oi->state == OSPF6_INTERFACE_WAITING) ospf6_interface_state_change (dr_election (oi), oi); return 0; } int neighbor_change (struct thread *thread) { struct ospf6_interface *oi; oi = (struct ospf6_interface *) THREAD_ARG (thread); assert (oi && oi->interface); if (IS_OSPF6_DEBUG_INTERFACE) zlog_info ("Interface Event %s: [NeighborChange]", oi->interface->name); if (oi->state == OSPF6_INTERFACE_DROTHER || oi->state == OSPF6_INTERFACE_BDR || oi->state == OSPF6_INTERFACE_DR) ospf6_interface_state_change (dr_election (oi), oi); return 0; } int loopind (struct thread *thread) { struct ospf6_interface *oi; oi = (struct ospf6_interface *) THREAD_ARG (thread); assert (oi && oi->interface); if (IS_OSPF6_DEBUG_INTERFACE) zlog_info ("Interface Event %s: [LoopInd]", oi->interface->name); /* XXX not yet */ return 0; } int interface_down (struct thread *thread) { struct ospf6_interface *oi; listnode n; struct ospf6_neighbor *on; oi = (struct ospf6_interface *) THREAD_ARG (thread); assert (oi && oi->interface); if (IS_OSPF6_DEBUG_INTERFACE) zlog_info ("Interface Event %s: [InterfaceDown]", oi->interface->name); /* Leave AllSPFRouters */ if (oi->state > OSPF6_INTERFACE_DOWN) ospf6_leave_allspfrouters (oi->interface->ifindex); ospf6_interface_state_change (OSPF6_INTERFACE_DOWN, oi); for (n = listhead (oi->neighbor_list); n; nextnode (n)) { on = (struct ospf6_neighbor *) getdata (n); ospf6_neighbor_delete (on); } list_delete_all_node (oi->neighbor_list); return 0; } /* show specified interface structure */ int ospf6_interface_show (struct vty *vty, struct interface *ifp) { struct ospf6_interface *oi; struct connected *c; struct prefix *p; listnode i; char strbuf[64], drouter[32], bdrouter[32]; char *updown[3] = {"down", "up", NULL}; char *type; struct timeval res, now; char duration[32]; struct ospf6_lsa *lsa; /* check physical interface type */ if (if_is_loopback (ifp)) type = "LOOPBACK"; else if (if_is_broadcast (ifp)) type = "BROADCAST"; else if (if_is_pointopoint (ifp)) type = "POINTOPOINT"; else type = "UNKNOWN"; vty_out (vty, "%s is %s, type %s%s", ifp->name, updown[if_is_up (ifp)], type, VTY_NEWLINE); vty_out (vty, " Interface ID: %d%s", ifp->ifindex, VTY_NEWLINE); if (ifp->info == NULL) { vty_out (vty, " OSPF not enabled on this interface%s", VTY_NEWLINE); return 0; } else oi = (struct ospf6_interface *) ifp->info; vty_out (vty, " Internet Address:%s", VTY_NEWLINE); for (i = listhead (ifp->connected); i; nextnode (i)) { c = (struct connected *)getdata (i); p = c->address; prefix2str (p, strbuf, sizeof (strbuf)); switch (p->family) { case AF_INET: vty_out (vty, " inet : %s%s", strbuf, VTY_NEWLINE); break; case AF_INET6: vty_out (vty, " inet6: %s%s", strbuf, VTY_NEWLINE); break; default: vty_out (vty, " ??? : %s%s", strbuf, VTY_NEWLINE); break; } } if (oi->area) { vty_out (vty, " Instance ID %d, Interface MTU %d (autodetect: %d)%s", oi->instance_id, oi->ifmtu, ifp->mtu6, VTY_NEWLINE); inet_ntop (AF_INET, &oi->area->area_id, strbuf, sizeof (strbuf)); vty_out (vty, " Area ID %s, Cost %hu%s", strbuf, oi->cost, VTY_NEWLINE); } else vty_out (vty, " Not Attached to Area%s", VTY_NEWLINE); vty_out (vty, " State %s, Transmit Delay %d sec, Priority %d%s", ospf6_interface_state_str[oi->state], oi->transdelay, oi->priority, VTY_NEWLINE); vty_out (vty, " Timer intervals configured:%s", VTY_NEWLINE); vty_out (vty, " Hello %d, Dead %d, Retransmit %d%s", oi->hello_interval, oi->dead_interval, oi->rxmt_interval, VTY_NEWLINE); inet_ntop (AF_INET, &oi->drouter, drouter, sizeof (drouter)); inet_ntop (AF_INET, &oi->bdrouter, bdrouter, sizeof (bdrouter)); vty_out (vty, " DR: %s BDR: %s%s", drouter, bdrouter, VTY_NEWLINE); vty_out (vty, " Number of I/F scoped LSAs is %u%s", oi->lsdb->count, VTY_NEWLINE); gettimeofday (&now, (struct timezone *) NULL); timerclear (&res); if (oi->thread_send_lsupdate) timersub (&oi->thread_send_lsupdate->u.sands, &now, &res); timerstring (&res, duration, sizeof (duration)); vty_out (vty, " %d Pending LSAs for LSUpdate in Time %s [thread %s]%s", oi->lsupdate_list->count, duration, (oi->thread_send_lsupdate ? "on" : "off"), VTY_NEWLINE); for (lsa = ospf6_lsdb_head (oi->lsupdate_list); lsa; lsa = ospf6_lsdb_next (lsa)) vty_out (vty, " %s%s", lsa->name, VTY_NEWLINE); timerclear (&res); if (oi->thread_send_lsack) timersub (&oi->thread_send_lsack->u.sands, &now, &res); timerstring (&res, duration, sizeof (duration)); vty_out (vty, " %d Pending LSAs for LSAck in Time %s [thread %s]%s", oi->lsack_list->count, duration, (oi->thread_send_lsack ? "on" : "off"), VTY_NEWLINE); for (lsa = ospf6_lsdb_head (oi->lsack_list); lsa; lsa = ospf6_lsdb_next (lsa)) vty_out (vty, " %s%s", lsa->name, VTY_NEWLINE); return 0; } /* show interface */ DEFUN (show_ipv6_ospf6_interface, show_ipv6_ospf6_interface_ifname_cmd, "show ipv6 ospf6 interface IFNAME", SHOW_STR IP6_STR OSPF6_STR INTERFACE_STR IFNAME_STR ) { struct interface *ifp; listnode i; if (argc) { ifp = if_lookup_by_name (argv[0]); if (ifp == NULL) { vty_out (vty, "No such Interface: %s%s", argv[0], VTY_NEWLINE); return CMD_WARNING; } ospf6_interface_show (vty, ifp); } else { for (i = listhead (iflist); i; nextnode (i)) { ifp = (struct interface *) getdata (i); ospf6_interface_show (vty, ifp); } } return CMD_SUCCESS; } ALIAS (show_ipv6_ospf6_interface, show_ipv6_ospf6_interface_cmd, "show ipv6 ospf6 interface", SHOW_STR IP6_STR OSPF6_STR INTERFACE_STR ); DEFUN (show_ipv6_ospf6_interface_ifname_prefix, show_ipv6_ospf6_interface_ifname_prefix_cmd, "show ipv6 ospf6 interface IFNAME prefix", SHOW_STR IP6_STR OSPF6_STR INTERFACE_STR IFNAME_STR "Display connected prefixes to advertise\n" ) { struct interface *ifp; struct ospf6_interface *oi; ifp = if_lookup_by_name (argv[0]); if (ifp == NULL) { vty_out (vty, "No such Interface: %s%s", argv[0], VTY_NEWLINE); return CMD_WARNING; } oi = ifp->info; if (oi == NULL) { vty_out (vty, "OSPFv3 is not enabled on %s%s", argv[0], VTY_NEWLINE); return CMD_WARNING; } argc--; argv++; ospf6_route_table_show (vty, argc, argv, oi->route_connected); return CMD_SUCCESS; } ALIAS (show_ipv6_ospf6_interface_ifname_prefix, show_ipv6_ospf6_interface_ifname_prefix_detail_cmd, "show ipv6 ospf6 interface IFNAME prefix (X:X::X:X|X:X::X:X/M|detail)", SHOW_STR IP6_STR OSPF6_STR INTERFACE_STR IFNAME_STR "Display connected prefixes to advertise\n" OSPF6_ROUTE_ADDRESS_STR OSPF6_ROUTE_PREFIX_STR "Dispaly details of the prefixes\n" ); ALIAS (show_ipv6_ospf6_interface_ifname_prefix, show_ipv6_ospf6_interface_ifname_prefix_match_cmd, "show ipv6 ospf6 interface IFNAME prefix X:X::X:X/M (match|detail)", SHOW_STR IP6_STR OSPF6_STR INTERFACE_STR IFNAME_STR "Display connected prefixes to advertise\n" OSPF6_ROUTE_PREFIX_STR OSPF6_ROUTE_MATCH_STR "Dispaly details of the prefixes\n" ); DEFUN (show_ipv6_ospf6_interface_prefix, show_ipv6_ospf6_interface_prefix_cmd, "show ipv6 ospf6 interface prefix", SHOW_STR IP6_STR OSPF6_STR INTERFACE_STR "Display connected prefixes to advertise\n" ) { listnode i; struct ospf6_interface *oi; struct interface *ifp; for (i = listhead (iflist); i; nextnode (i)) { ifp = (struct interface *) getdata (i); oi = (struct ospf6_interface *) ifp->info; if (oi == NULL) continue; ospf6_route_table_show (vty, argc, argv, oi->route_connected); } return CMD_SUCCESS; } ALIAS (show_ipv6_ospf6_interface_prefix, show_ipv6_ospf6_interface_prefix_detail_cmd, "show ipv6 ospf6 interface prefix (X:X::X:X|X:X::X:X/M|detail)", SHOW_STR IP6_STR OSPF6_STR INTERFACE_STR "Display connected prefixes to advertise\n" OSPF6_ROUTE_ADDRESS_STR OSPF6_ROUTE_PREFIX_STR "Dispaly details of the prefixes\n" ); ALIAS (show_ipv6_ospf6_interface_prefix, show_ipv6_ospf6_interface_prefix_match_cmd, "show ipv6 ospf6 interface prefix X:X::X:X/M (match|detail)", SHOW_STR IP6_STR OSPF6_STR INTERFACE_STR "Display connected prefixes to advertise\n" OSPF6_ROUTE_PREFIX_STR OSPF6_ROUTE_MATCH_STR "Dispaly details of the prefixes\n" ); /* interface variable set command */ DEFUN (ipv6_ospf6_ifmtu, ipv6_ospf6_ifmtu_cmd, "ipv6 ospf6 ifmtu <1-65535>", IP6_STR OSPF6_STR "Interface MTU\n" "OSPFv3 Interface MTU\n" ) { struct ospf6_interface *oi; struct interface *ifp; int ifmtu, iobuflen; listnode node; struct ospf6_neighbor *on; ifp = (struct interface *) vty->index; assert (ifp); oi = (struct ospf6_interface *) ifp->info; if (oi == NULL) oi = ospf6_interface_create (ifp); assert (oi); ifmtu = strtol (argv[0], NULL, 10); if (oi->ifmtu == ifmtu) return CMD_SUCCESS; if (ifp->mtu6 != 0 && ifp->mtu6 < ifmtu) { vty_out (vty, "%s's ospf6 ifmtu cannot go beyond physical mtu (%d)%s", ifp->name, ifp->mtu6, VTY_NEWLINE); return CMD_WARNING; } if (oi->ifmtu < ifmtu) { iobuflen = ospf6_iobuf_size (ifmtu); if (iobuflen < ifmtu) { vty_out (vty, "%s's ifmtu is adjusted to I/O buffer size (%d).%s", ifp->name, iobuflen, VTY_NEWLINE); oi->ifmtu = iobuflen; } else oi->ifmtu = ifmtu; } else oi->ifmtu = ifmtu; /* re-establish adjacencies */ for (node = listhead (oi->neighbor_list); node; nextnode (node)) { on = (struct ospf6_neighbor *) getdata (node); THREAD_OFF (on->inactivity_timer); thread_execute (master, inactivity_timer, on, 0); } return CMD_SUCCESS; } DEFUN (ipv6_ospf6_cost, ipv6_ospf6_cost_cmd, "ipv6 ospf6 cost <1-65535>", IP6_STR OSPF6_STR "Interface cost\n" "Outgoing metric of this interface\n" ) { struct ospf6_interface *oi; struct interface *ifp; ifp = (struct interface *) vty->index; assert (ifp); oi = (struct ospf6_interface *) ifp->info; if (oi == NULL) oi = ospf6_interface_create (ifp); assert (oi); if (oi->cost == strtol (argv[0], NULL, 10)) return CMD_SUCCESS; oi->cost = strtol (argv[0], NULL, 10); /* update cost held in route_connected list in ospf6_interface */ ospf6_interface_connected_route_update (oi->interface); /* execute LSA hooks */ if (oi->area) { OSPF6_LINK_LSA_SCHEDULE (oi); OSPF6_ROUTER_LSA_SCHEDULE (oi->area); OSPF6_NETWORK_LSA_SCHEDULE (oi); OSPF6_INTRA_PREFIX_LSA_SCHEDULE_TRANSIT (oi); OSPF6_INTRA_PREFIX_LSA_SCHEDULE_STUB (oi->area); } return CMD_SUCCESS; } DEFUN (ipv6_ospf6_hellointerval, ipv6_ospf6_hellointerval_cmd, "ipv6 ospf6 hello-interval <1-65535>", IP6_STR OSPF6_STR "Interval time of Hello packets\n" SECONDS_STR ) { struct ospf6_interface *oi; struct interface *ifp; ifp = (struct interface *) vty->index; assert (ifp); oi = (struct ospf6_interface *) ifp->info; if (oi == NULL) oi = ospf6_interface_create (ifp); assert (oi); oi->hello_interval = strtol (argv[0], NULL, 10); return CMD_SUCCESS; } /* interface variable set command */ DEFUN (ipv6_ospf6_deadinterval, ipv6_ospf6_deadinterval_cmd, "ipv6 ospf6 dead-interval <1-65535>", IP6_STR OSPF6_STR "Interval time after which a neighbor is declared down\n" SECONDS_STR ) { struct ospf6_interface *oi; struct interface *ifp; ifp = (struct interface *) vty->index; assert (ifp); oi = (struct ospf6_interface *) ifp->info; if (oi == NULL) oi = ospf6_interface_create (ifp); assert (oi); oi->dead_interval = strtol (argv[0], NULL, 10); return CMD_SUCCESS; } /* interface variable set command */ DEFUN (ipv6_ospf6_transmitdelay, ipv6_ospf6_transmitdelay_cmd, "ipv6 ospf6 transmit-delay <1-3600>", IP6_STR OSPF6_STR "Transmit delay of this interface\n" SECONDS_STR ) { struct ospf6_interface *oi; struct interface *ifp; ifp = (struct interface *) vty->index; assert (ifp); oi = (struct ospf6_interface *) ifp->info; if (oi == NULL) oi = ospf6_interface_create (ifp); assert (oi); oi->transdelay = strtol (argv[0], NULL, 10); return CMD_SUCCESS; } /* interface variable set command */ DEFUN (ipv6_ospf6_retransmitinterval, ipv6_ospf6_retransmitinterval_cmd, "ipv6 ospf6 retransmit-interval <1-65535>", IP6_STR OSPF6_STR "Time between retransmitting lost link state advertisements\n" SECONDS_STR ) { struct ospf6_interface *oi; struct interface *ifp; ifp = (struct interface *) vty->index; assert (ifp); oi = (struct ospf6_interface *) ifp->info; if (oi == NULL) oi = ospf6_interface_create (ifp); assert (oi); oi->rxmt_interval = strtol (argv[0], NULL, 10); return CMD_SUCCESS; } /* interface variable set command */ DEFUN (ipv6_ospf6_priority, ipv6_ospf6_priority_cmd, "ipv6 ospf6 priority <0-255>", IP6_STR OSPF6_STR "Router priority\n" "Priority value\n" ) { struct ospf6_interface *oi; struct interface *ifp; ifp = (struct interface *) vty->index; assert (ifp); oi = (struct ospf6_interface *) ifp->info; if (oi == NULL) oi = ospf6_interface_create (ifp); assert (oi); oi->priority = strtol (argv[0], NULL, 10); if (oi->area) ospf6_interface_state_change (dr_election (oi), oi); return CMD_SUCCESS; } DEFUN (ipv6_ospf6_instance, ipv6_ospf6_instance_cmd, "ipv6 ospf6 instance-id <0-255>", IP6_STR OSPF6_STR "Instance ID for this interface\n" "Instance ID value\n" ) { struct ospf6_interface *oi; struct interface *ifp; ifp = (struct interface *)vty->index; assert (ifp); oi = (struct ospf6_interface *)ifp->info; if (oi == NULL) oi = ospf6_interface_create (ifp); assert (oi); oi->instance_id = strtol (argv[0], NULL, 10); return CMD_SUCCESS; } DEFUN (ipv6_ospf6_passive, ipv6_ospf6_passive_cmd, "ipv6 ospf6 passive", IP6_STR OSPF6_STR "passive interface, No adjacency will be formed on this interface\n" ) { struct ospf6_interface *oi; struct interface *ifp; listnode node; struct ospf6_neighbor *on; ifp = (struct interface *) vty->index; assert (ifp); oi = (struct ospf6_interface *) ifp->info; if (oi == NULL) oi = ospf6_interface_create (ifp); assert (oi); SET_FLAG (oi->flag, OSPF6_INTERFACE_PASSIVE); THREAD_OFF (oi->thread_send_hello); for (node = listhead (oi->neighbor_list); node; nextnode (node)) { on = (struct ospf6_neighbor *) getdata (node); THREAD_OFF (on->inactivity_timer); thread_execute (master, inactivity_timer, on, 0); } return CMD_SUCCESS; } DEFUN (no_ipv6_ospf6_passive, no_ipv6_ospf6_passive_cmd, "no ipv6 ospf6 passive", NO_STR IP6_STR OSPF6_STR "passive interface: No Adjacency will be formed on this I/F\n" ) { struct ospf6_interface *oi; struct interface *ifp; ifp = (struct interface *) vty->index; assert (ifp); oi = (struct ospf6_interface *) ifp->info; if (oi == NULL) oi = ospf6_interface_create (ifp); assert (oi); UNSET_FLAG (oi->flag, OSPF6_INTERFACE_PASSIVE); THREAD_OFF (oi->thread_send_hello); oi->thread_send_hello = thread_add_event (master, ospf6_hello_send, oi, 0); return CMD_SUCCESS; } DEFUN (ipv6_ospf6_advertise_prefix_list, ipv6_ospf6_advertise_prefix_list_cmd, "ipv6 ospf6 advertise prefix-list WORD", IP6_STR OSPF6_STR "Advertising options\n" "Filter prefix using prefix-list\n" "Prefix list name\n" ) { struct ospf6_interface *oi; struct interface *ifp; ifp = (struct interface *) vty->index; assert (ifp); oi = (struct ospf6_interface *) ifp->info; if (oi == NULL) oi = ospf6_interface_create (ifp); assert (oi); if (oi->plist_name) XFREE (MTYPE_PREFIX_LIST_STR, oi->plist_name); oi->plist_name = XSTRDUP (MTYPE_PREFIX_LIST_STR, argv[0]); ospf6_interface_connected_route_update (oi->interface); OSPF6_LINK_LSA_SCHEDULE (oi); if (oi->state == OSPF6_INTERFACE_DR) { OSPF6_NETWORK_LSA_SCHEDULE (oi); OSPF6_INTRA_PREFIX_LSA_SCHEDULE_TRANSIT (oi); } OSPF6_INTRA_PREFIX_LSA_SCHEDULE_STUB (oi->area); return CMD_SUCCESS; } DEFUN (no_ipv6_ospf6_advertise_prefix_list, no_ipv6_ospf6_advertise_prefix_list_cmd, "no ipv6 ospf6 advertise prefix-list", NO_STR IP6_STR OSPF6_STR "Advertising options\n" "Filter prefix using prefix-list\n" ) { struct ospf6_interface *oi; struct interface *ifp; ifp = (struct interface *) vty->index; assert (ifp); oi = (struct ospf6_interface *) ifp->info; if (oi == NULL) oi = ospf6_interface_create (ifp); assert (oi); if (oi->plist_name) { XFREE (MTYPE_PREFIX_LIST_STR, oi->plist_name); oi->plist_name = NULL; } ospf6_interface_connected_route_update (oi->interface); OSPF6_LINK_LSA_SCHEDULE (oi); if (oi->state == OSPF6_INTERFACE_DR) { OSPF6_NETWORK_LSA_SCHEDULE (oi); OSPF6_INTRA_PREFIX_LSA_SCHEDULE_TRANSIT (oi); } OSPF6_INTRA_PREFIX_LSA_SCHEDULE_STUB (oi->area); return CMD_SUCCESS; } int config_write_ospf6_interface (struct vty *vty) { listnode i; struct ospf6_interface *oi; struct interface *ifp; for (i = listhead (iflist); i; nextnode (i)) { ifp = (struct interface *) getdata (i); oi = (struct ospf6_interface *) ifp->info; if (oi == NULL) continue; vty_out (vty, "interface %s%s", oi->interface->name, VTY_NEWLINE); if (ifp->desc) vty_out (vty, " description %s%s", ifp->desc, VTY_NEWLINE); if (ifp->mtu6 != oi->ifmtu) vty_out (vty, " ipv6 ospf6 ifmtu %d%s", oi->ifmtu, VTY_NEWLINE); vty_out (vty, " ipv6 ospf6 cost %d%s", oi->cost, VTY_NEWLINE); vty_out (vty, " ipv6 ospf6 hello-interval %d%s", oi->hello_interval, VTY_NEWLINE); vty_out (vty, " ipv6 ospf6 dead-interval %d%s", oi->dead_interval, VTY_NEWLINE); vty_out (vty, " ipv6 ospf6 retransmit-interval %d%s", oi->rxmt_interval, VTY_NEWLINE); vty_out (vty, " ipv6 ospf6 priority %d%s", oi->priority, VTY_NEWLINE); vty_out (vty, " ipv6 ospf6 transmit-delay %d%s", oi->transdelay, VTY_NEWLINE); vty_out (vty, " ipv6 ospf6 instance-id %d%s", oi->instance_id, VTY_NEWLINE); if (oi->plist_name) vty_out (vty, " ipv6 ospf6 advertise prefix-list %s%s", oi->plist_name, VTY_NEWLINE); if (CHECK_FLAG (oi->flag, OSPF6_INTERFACE_PASSIVE)) vty_out (vty, " ipv6 ospf6 passive%s", VTY_NEWLINE); vty_out (vty, "!%s", VTY_NEWLINE); } return 0; } struct cmd_node interface_node = { INTERFACE_NODE, "%s(config-if)# ", }; void ospf6_interface_init () { /* Install interface node. */ install_node (&interface_node, config_write_ospf6_interface); install_element (VIEW_NODE, &show_ipv6_ospf6_interface_cmd); install_element (VIEW_NODE, &show_ipv6_ospf6_interface_prefix_cmd); install_element (VIEW_NODE, &show_ipv6_ospf6_interface_prefix_detail_cmd); install_element (VIEW_NODE, &show_ipv6_ospf6_interface_prefix_match_cmd); install_element (VIEW_NODE, &show_ipv6_ospf6_interface_ifname_cmd); install_element (VIEW_NODE, &show_ipv6_ospf6_interface_ifname_prefix_cmd); install_element (VIEW_NODE, &show_ipv6_ospf6_interface_ifname_prefix_detail_cmd); install_element (VIEW_NODE, &show_ipv6_ospf6_interface_ifname_prefix_match_cmd); install_element (ENABLE_NODE, &show_ipv6_ospf6_interface_cmd); install_element (ENABLE_NODE, &show_ipv6_ospf6_interface_prefix_cmd); install_element (ENABLE_NODE, &show_ipv6_ospf6_interface_prefix_detail_cmd); install_element (ENABLE_NODE, &show_ipv6_ospf6_interface_prefix_match_cmd); install_element (ENABLE_NODE, &show_ipv6_ospf6_interface_ifname_cmd); install_element (ENABLE_NODE, &show_ipv6_ospf6_interface_ifname_prefix_cmd); install_element (ENABLE_NODE, &show_ipv6_ospf6_interface_ifname_prefix_detail_cmd); install_element (ENABLE_NODE, &show_ipv6_ospf6_interface_ifname_prefix_match_cmd); install_element (CONFIG_NODE, &interface_cmd); install_default (INTERFACE_NODE); install_element (INTERFACE_NODE, &interface_desc_cmd); install_element (INTERFACE_NODE, &no_interface_desc_cmd); install_element (INTERFACE_NODE, &ipv6_ospf6_cost_cmd); install_element (INTERFACE_NODE, &ipv6_ospf6_ifmtu_cmd); install_element (INTERFACE_NODE, &ipv6_ospf6_deadinterval_cmd); install_element (INTERFACE_NODE, &ipv6_ospf6_hellointerval_cmd); install_element (INTERFACE_NODE, &ipv6_ospf6_priority_cmd); install_element (INTERFACE_NODE, &ipv6_ospf6_retransmitinterval_cmd); install_element (INTERFACE_NODE, &ipv6_ospf6_transmitdelay_cmd); install_element (INTERFACE_NODE, &ipv6_ospf6_instance_cmd); install_element (INTERFACE_NODE, &ipv6_ospf6_passive_cmd); install_element (INTERFACE_NODE, &no_ipv6_ospf6_passive_cmd); install_element (INTERFACE_NODE, &ipv6_ospf6_advertise_prefix_list_cmd); install_element (INTERFACE_NODE, &no_ipv6_ospf6_advertise_prefix_list_cmd); } DEFUN (debug_ospf6_interface, debug_ospf6_interface_cmd, "debug ospf6 interface", DEBUG_STR OSPF6_STR "Debug OSPFv3 Interface\n" ) { OSPF6_DEBUG_INTERFACE_ON (); return CMD_SUCCESS; } DEFUN (no_debug_ospf6_interface, no_debug_ospf6_interface_cmd, "no debug ospf6 interface", NO_STR DEBUG_STR OSPF6_STR "Debug OSPFv3 Interface\n" ) { OSPF6_DEBUG_INTERFACE_ON (); return CMD_SUCCESS; } int config_write_ospf6_debug_interface (struct vty *vty) { if (IS_OSPF6_DEBUG_INTERFACE) vty_out (vty, "debug ospf6 interface%s", VTY_NEWLINE); return 0; } void install_element_ospf6_debug_interface () { install_element (ENABLE_NODE, &debug_ospf6_interface_cmd); install_element (ENABLE_NODE, &no_debug_ospf6_interface_cmd); install_element (CONFIG_NODE, &debug_ospf6_interface_cmd); install_element (CONFIG_NODE, &no_debug_ospf6_interface_cmd); }