diff options
Diffstat (limited to 'isisd/isis_circuit.c')
| -rw-r--r-- | isisd/isis_circuit.c | 2366 |
1 files changed, 1141 insertions, 1225 deletions
diff --git a/isisd/isis_circuit.c b/isisd/isis_circuit.c index d07ea27c44..72810532b0 100644 --- a/isisd/isis_circuit.c +++ b/isisd/isis_circuit.c @@ -2,17 +2,17 @@ * IS-IS Rout(e)ing protocol - isis_circuit.h * * Copyright (C) 2001,2002 Sampo Saaristo - * Tampere University of Technology + * Tampere University of Technology * Institute of Communications Engineering * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public Licenseas published by the Free - * Software Foundation; either version 2 of the License, or (at your option) + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public Licenseas published by the Free + * Software Foundation; either version 2 of the License, or (at your option) * any later version. * - * This program 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 + * This program 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 @@ -71,1366 +71,1282 @@ int isis_interface_config_write(struct vty *); int isis_if_new_hook(struct interface *); int isis_if_delete_hook(struct interface *); -struct isis_circuit * -isis_circuit_new () +struct isis_circuit *isis_circuit_new() { - struct isis_circuit *circuit; - int i; - - circuit = XCALLOC (MTYPE_ISIS_CIRCUIT, sizeof (struct isis_circuit)); - if (circuit == NULL) - { - zlog_err ("Can't malloc isis circuit"); - return NULL; - } - - /* - * Default values - */ - circuit->is_type = IS_LEVEL_1_AND_2; - circuit->flags = 0; - circuit->pad_hellos = 1; - for (i = 0; i < 2; i++) - { - circuit->hello_interval[i] = DEFAULT_HELLO_INTERVAL; - circuit->hello_multiplier[i] = DEFAULT_HELLO_MULTIPLIER; - circuit->csnp_interval[i] = DEFAULT_CSNP_INTERVAL; - circuit->psnp_interval[i] = DEFAULT_PSNP_INTERVAL; - circuit->priority[i] = DEFAULT_PRIORITY; - circuit->metric[i] = DEFAULT_CIRCUIT_METRIC; - circuit->te_metric[i] = DEFAULT_CIRCUIT_METRIC; - } - - circuit->mtc = mpls_te_circuit_new(); - - circuit_mt_init(circuit); - - QOBJ_REG (circuit, isis_circuit); - - return circuit; + struct isis_circuit *circuit; + int i; + + circuit = XCALLOC(MTYPE_ISIS_CIRCUIT, sizeof(struct isis_circuit)); + if (circuit == NULL) { + zlog_err("Can't malloc isis circuit"); + return NULL; + } + + /* + * Default values + */ + circuit->is_type = IS_LEVEL_1_AND_2; + circuit->flags = 0; + circuit->pad_hellos = 1; + for (i = 0; i < 2; i++) { + circuit->hello_interval[i] = DEFAULT_HELLO_INTERVAL; + circuit->hello_multiplier[i] = DEFAULT_HELLO_MULTIPLIER; + circuit->csnp_interval[i] = DEFAULT_CSNP_INTERVAL; + circuit->psnp_interval[i] = DEFAULT_PSNP_INTERVAL; + circuit->priority[i] = DEFAULT_PRIORITY; + circuit->metric[i] = DEFAULT_CIRCUIT_METRIC; + circuit->te_metric[i] = DEFAULT_CIRCUIT_METRIC; + } + + circuit->mtc = mpls_te_circuit_new(); + + circuit_mt_init(circuit); + + QOBJ_REG(circuit, isis_circuit); + + return circuit; } -void -isis_circuit_del (struct isis_circuit *circuit) +void isis_circuit_del(struct isis_circuit *circuit) { - if (!circuit) - return; + if (!circuit) + return; - QOBJ_UNREG (circuit); + QOBJ_UNREG(circuit); - isis_circuit_if_unbind (circuit, circuit->interface); + isis_circuit_if_unbind(circuit, circuit->interface); - circuit_mt_finish(circuit); + circuit_mt_finish(circuit); - /* and lastly the circuit itself */ - XFREE (MTYPE_ISIS_CIRCUIT, circuit); + /* and lastly the circuit itself */ + XFREE(MTYPE_ISIS_CIRCUIT, circuit); - return; + return; } -void -isis_circuit_configure (struct isis_circuit *circuit, struct isis_area *area) +void isis_circuit_configure(struct isis_circuit *circuit, + struct isis_area *area) { - assert (area); - circuit->area = area; - - /* - * Whenever the is-type of an area is changed, the is-type of each circuit - * in that area is updated to a non-empty subset of the area is-type. - * Inversely, when configuring a new circuit, this property should be - * ensured as well. - */ - if (area->is_type != IS_LEVEL_1_AND_2) - circuit->is_type = area->is_type; - - /* - * Add the circuit into area - */ - listnode_add (area->circuit_list, circuit); - - circuit->idx = flags_get_index (&area->flags); - - return; + assert(area); + circuit->area = area; + + /* + * Whenever the is-type of an area is changed, the is-type of each + * circuit + * in that area is updated to a non-empty subset of the area is-type. + * Inversely, when configuring a new circuit, this property should be + * ensured as well. + */ + if (area->is_type != IS_LEVEL_1_AND_2) + circuit->is_type = area->is_type; + + /* + * Add the circuit into area + */ + listnode_add(area->circuit_list, circuit); + + circuit->idx = flags_get_index(&area->flags); + + return; } -void -isis_circuit_deconfigure (struct isis_circuit *circuit, struct isis_area *area) +void isis_circuit_deconfigure(struct isis_circuit *circuit, + struct isis_area *area) { - /* Free the index of SRM and SSN flags */ - flags_free_index (&area->flags, circuit->idx); - circuit->idx = 0; - /* Remove circuit from area */ - assert (circuit->area == area); - listnode_delete (area->circuit_list, circuit); - circuit->area = NULL; - - return; + /* Free the index of SRM and SSN flags */ + flags_free_index(&area->flags, circuit->idx); + circuit->idx = 0; + /* Remove circuit from area */ + assert(circuit->area == area); + listnode_delete(area->circuit_list, circuit); + circuit->area = NULL; + + return; } -struct isis_circuit * -circuit_lookup_by_ifp (struct interface *ifp, struct list *list) +struct isis_circuit *circuit_lookup_by_ifp(struct interface *ifp, + struct list *list) { - struct isis_circuit *circuit = NULL; - struct listnode *node; + struct isis_circuit *circuit = NULL; + struct listnode *node; - if (!list) - return NULL; + if (!list) + return NULL; - for (ALL_LIST_ELEMENTS_RO (list, node, circuit)) - if (circuit->interface == ifp) - { - assert (ifp->info == circuit); - return circuit; - } + for (ALL_LIST_ELEMENTS_RO(list, node, circuit)) + if (circuit->interface == ifp) { + assert(ifp->info == circuit); + return circuit; + } - return NULL; + return NULL; } -struct isis_circuit * -circuit_scan_by_ifp (struct interface *ifp) +struct isis_circuit *circuit_scan_by_ifp(struct interface *ifp) { - struct isis_area *area; - struct listnode *node; - struct isis_circuit *circuit; - - if (ifp->info) - return (struct isis_circuit *)ifp->info; - - if (isis->area_list) - { - for (ALL_LIST_ELEMENTS_RO (isis->area_list, node, area)) - { - circuit = circuit_lookup_by_ifp (ifp, area->circuit_list); - if (circuit) - return circuit; - } - } - return circuit_lookup_by_ifp (ifp, isis->init_circ_list); + struct isis_area *area; + struct listnode *node; + struct isis_circuit *circuit; + + if (ifp->info) + return (struct isis_circuit *)ifp->info; + + if (isis->area_list) { + for (ALL_LIST_ELEMENTS_RO(isis->area_list, node, area)) { + circuit = + circuit_lookup_by_ifp(ifp, area->circuit_list); + if (circuit) + return circuit; + } + } + return circuit_lookup_by_ifp(ifp, isis->init_circ_list); } -void -isis_circuit_add_addr (struct isis_circuit *circuit, - struct connected *connected) +void isis_circuit_add_addr(struct isis_circuit *circuit, + struct connected *connected) { - struct listnode *node; - struct prefix_ipv4 *ipv4; + struct listnode *node; + struct prefix_ipv4 *ipv4; #if defined(EXTREME_DEBUG) - char buf[PREFIX2STR_BUFFER]; + char buf[PREFIX2STR_BUFFER]; #endif - struct prefix_ipv6 *ipv6; + struct prefix_ipv6 *ipv6; - if (connected->address->family == AF_INET) - { - u_int32_t addr = connected->address->u.prefix4.s_addr; - addr = ntohl (addr); - if (IPV4_NET0(addr) || - IPV4_NET127(addr) || - IN_CLASSD(addr) || - IPV4_LINKLOCAL(addr)) - return; + if (connected->address->family == AF_INET) { + u_int32_t addr = connected->address->u.prefix4.s_addr; + addr = ntohl(addr); + if (IPV4_NET0(addr) || IPV4_NET127(addr) || IN_CLASSD(addr) + || IPV4_LINKLOCAL(addr)) + return; - for (ALL_LIST_ELEMENTS_RO (circuit->ip_addrs, node, ipv4)) - if (prefix_same ((struct prefix *) ipv4, connected->address)) - return; + for (ALL_LIST_ELEMENTS_RO(circuit->ip_addrs, node, ipv4)) + if (prefix_same((struct prefix *)ipv4, + connected->address)) + return; - ipv4 = prefix_ipv4_new (); - ipv4->prefixlen = connected->address->prefixlen; - ipv4->prefix = connected->address->u.prefix4; - listnode_add (circuit->ip_addrs, ipv4); + ipv4 = prefix_ipv4_new(); + ipv4->prefixlen = connected->address->prefixlen; + ipv4->prefix = connected->address->u.prefix4; + listnode_add(circuit->ip_addrs, ipv4); - /* Update MPLS TE Local IP address parameter */ - set_circuitparams_local_ipaddr (circuit->mtc, ipv4->prefix); + /* Update MPLS TE Local IP address parameter */ + set_circuitparams_local_ipaddr(circuit->mtc, ipv4->prefix); - if (circuit->area) - lsp_regenerate_schedule (circuit->area, circuit->is_type, 0); + if (circuit->area) + lsp_regenerate_schedule(circuit->area, circuit->is_type, + 0); #ifdef EXTREME_DEBUG - prefix2str (connected->address, buf, sizeof (buf)); - zlog_debug ("Added IP address %s to circuit %d", buf, - circuit->circuit_id); + prefix2str(connected->address, buf, sizeof(buf)); + zlog_debug("Added IP address %s to circuit %d", buf, + circuit->circuit_id); #endif /* EXTREME_DEBUG */ - } - if (connected->address->family == AF_INET6) - { - if (IN6_IS_ADDR_LOOPBACK(&connected->address->u.prefix6)) - return; - - for (ALL_LIST_ELEMENTS_RO (circuit->ipv6_link, node, ipv6)) - if (prefix_same ((struct prefix *) ipv6, connected->address)) - return; - for (ALL_LIST_ELEMENTS_RO (circuit->ipv6_non_link, node, ipv6)) - if (prefix_same ((struct prefix *) ipv6, connected->address)) - return; - - ipv6 = prefix_ipv6_new (); - ipv6->prefixlen = connected->address->prefixlen; - ipv6->prefix = connected->address->u.prefix6; - - if (IN6_IS_ADDR_LINKLOCAL (&ipv6->prefix)) - listnode_add (circuit->ipv6_link, ipv6); - else - listnode_add (circuit->ipv6_non_link, ipv6); - if (circuit->area) - lsp_regenerate_schedule (circuit->area, circuit->is_type, 0); + } + if (connected->address->family == AF_INET6) { + if (IN6_IS_ADDR_LOOPBACK(&connected->address->u.prefix6)) + return; + + for (ALL_LIST_ELEMENTS_RO(circuit->ipv6_link, node, ipv6)) + if (prefix_same((struct prefix *)ipv6, + connected->address)) + return; + for (ALL_LIST_ELEMENTS_RO(circuit->ipv6_non_link, node, ipv6)) + if (prefix_same((struct prefix *)ipv6, + connected->address)) + return; + + ipv6 = prefix_ipv6_new(); + ipv6->prefixlen = connected->address->prefixlen; + ipv6->prefix = connected->address->u.prefix6; + + if (IN6_IS_ADDR_LINKLOCAL(&ipv6->prefix)) + listnode_add(circuit->ipv6_link, ipv6); + else + listnode_add(circuit->ipv6_non_link, ipv6); + if (circuit->area) + lsp_regenerate_schedule(circuit->area, circuit->is_type, + 0); #ifdef EXTREME_DEBUG - prefix2str (connected->address, buf, sizeof (buf)); - zlog_debug ("Added IPv6 address %s to circuit %d", buf, - circuit->circuit_id); + prefix2str(connected->address, buf, sizeof(buf)); + zlog_debug("Added IPv6 address %s to circuit %d", buf, + circuit->circuit_id); #endif /* EXTREME_DEBUG */ - } - return; + } + return; } -void -isis_circuit_del_addr (struct isis_circuit *circuit, - struct connected *connected) +void isis_circuit_del_addr(struct isis_circuit *circuit, + struct connected *connected) { - struct prefix_ipv4 *ipv4, *ip = NULL; - struct listnode *node; - char buf[PREFIX2STR_BUFFER]; - struct prefix_ipv6 *ipv6, *ip6 = NULL; - int found = 0; - - if (connected->address->family == AF_INET) - { - ipv4 = prefix_ipv4_new (); - ipv4->prefixlen = connected->address->prefixlen; - ipv4->prefix = connected->address->u.prefix4; - - for (ALL_LIST_ELEMENTS_RO (circuit->ip_addrs, node, ip)) - if (prefix_same ((struct prefix *) ip, (struct prefix *) ipv4)) - break; - - if (ip) - { - listnode_delete (circuit->ip_addrs, ip); - if (circuit->area) - lsp_regenerate_schedule (circuit->area, circuit->is_type, 0); + struct prefix_ipv4 *ipv4, *ip = NULL; + struct listnode *node; + char buf[PREFIX2STR_BUFFER]; + struct prefix_ipv6 *ipv6, *ip6 = NULL; + int found = 0; + + if (connected->address->family == AF_INET) { + ipv4 = prefix_ipv4_new(); + ipv4->prefixlen = connected->address->prefixlen; + ipv4->prefix = connected->address->u.prefix4; + + for (ALL_LIST_ELEMENTS_RO(circuit->ip_addrs, node, ip)) + if (prefix_same((struct prefix *)ip, + (struct prefix *)ipv4)) + break; + + if (ip) { + listnode_delete(circuit->ip_addrs, ip); + if (circuit->area) + lsp_regenerate_schedule(circuit->area, + circuit->is_type, 0); + } else { + prefix2str(connected->address, buf, sizeof(buf)); + zlog_warn( + "Nonexistant ip address %s removal attempt from \ + circuit %d", + buf, circuit->circuit_id); + zlog_warn("Current ip addresses on %s:", + circuit->interface->name); + for (ALL_LIST_ELEMENTS_RO(circuit->ip_addrs, node, + ip)) { + prefix2str(ip, buf, sizeof(buf)); + zlog_warn(" %s", buf); + } + zlog_warn("End of addresses"); + } + + prefix_ipv4_free(ipv4); } - else - { - prefix2str (connected->address, buf, sizeof (buf)); - zlog_warn ("Nonexistant ip address %s removal attempt from \ - circuit %d", buf, circuit->circuit_id); - zlog_warn ("Current ip addresses on %s:", circuit->interface->name); - for (ALL_LIST_ELEMENTS_RO(circuit->ip_addrs, node, ip)) - { - prefix2str(ip, buf, sizeof(buf)); - zlog_warn(" %s", buf); - } - zlog_warn("End of addresses"); + if (connected->address->family == AF_INET6) { + ipv6 = prefix_ipv6_new(); + ipv6->prefixlen = connected->address->prefixlen; + ipv6->prefix = connected->address->u.prefix6; + + if (IN6_IS_ADDR_LINKLOCAL(&ipv6->prefix)) { + for (ALL_LIST_ELEMENTS_RO(circuit->ipv6_link, node, + ip6)) { + if (prefix_same((struct prefix *)ip6, + (struct prefix *)ipv6)) + break; + } + if (ip6) { + listnode_delete(circuit->ipv6_link, ip6); + found = 1; + } + } else { + for (ALL_LIST_ELEMENTS_RO(circuit->ipv6_non_link, node, + ip6)) { + if (prefix_same((struct prefix *)ip6, + (struct prefix *)ipv6)) + break; + } + if (ip6) { + listnode_delete(circuit->ipv6_non_link, ip6); + found = 1; + } + } + + if (!found) { + prefix2str(connected->address, buf, sizeof(buf)); + zlog_warn( + "Nonexitant ip address %s removal attempt from \ + circuit %d", + buf, circuit->circuit_id); + zlog_warn("Current ip addresses on %s:", + circuit->interface->name); + for (ALL_LIST_ELEMENTS_RO(circuit->ipv6_link, node, + ip6)) { + prefix2str((struct prefix *)ip6, (char *)buf, + BUFSIZ); + zlog_warn(" %s", buf); + } + zlog_warn(" -----"); + for (ALL_LIST_ELEMENTS_RO(circuit->ipv6_non_link, node, + ip6)) { + prefix2str((struct prefix *)ip6, (char *)buf, + BUFSIZ); + zlog_warn(" %s", buf); + } + zlog_warn("End of addresses"); + } else if (circuit->area) + lsp_regenerate_schedule(circuit->area, circuit->is_type, + 0); + + prefix_ipv6_free(ipv6); } + return; +} - prefix_ipv4_free (ipv4); - } - if (connected->address->family == AF_INET6) - { - ipv6 = prefix_ipv6_new (); - ipv6->prefixlen = connected->address->prefixlen; - ipv6->prefix = connected->address->u.prefix6; - - if (IN6_IS_ADDR_LINKLOCAL (&ipv6->prefix)) - { - for (ALL_LIST_ELEMENTS_RO (circuit->ipv6_link, node, ip6)) - { - if (prefix_same ((struct prefix *) ip6, (struct prefix *) ipv6)) - break; - } - if (ip6) - { - listnode_delete (circuit->ipv6_link, ip6); - found = 1; - } - } - else - { - for (ALL_LIST_ELEMENTS_RO (circuit->ipv6_non_link, node, ip6)) - { - if (prefix_same ((struct prefix *) ip6, (struct prefix *) ipv6)) - break; - } - if (ip6) - { - listnode_delete (circuit->ipv6_non_link, ip6); - found = 1; - } +static u_char isis_circuit_id_gen(struct interface *ifp) +{ + u_char id = 0; + char ifname[16]; + unsigned int i; + int start = -1, end = -1; + + /* + * Get a stable circuit id from ifname. This makes + * the ifindex from flapping when netdevs are created + * and deleted on the fly. Note that this circuit id + * is used in pseudo lsps so it is better to be stable. + * The following code works on any reasonanle ifname + * like: eth1 or trk-1.1 etc. + */ + for (i = 0; i < strlen(ifp->name); i++) { + if (isdigit((unsigned char)ifp->name[i])) { + if (start < 0) { + start = i; + end = i + 1; + } else { + end = i + 1; + } + } else if (start >= 0) + break; } - if (!found) - { - prefix2str (connected->address, buf, sizeof (buf)); - zlog_warn ("Nonexitant ip address %s removal attempt from \ - circuit %d", buf, circuit->circuit_id); - zlog_warn ("Current ip addresses on %s:", circuit->interface->name); - for (ALL_LIST_ELEMENTS_RO(circuit->ipv6_link, node, ip6)) - { - prefix2str((struct prefix*)ip6, (char *)buf, BUFSIZ); - zlog_warn(" %s", buf); - } - zlog_warn(" -----"); - for (ALL_LIST_ELEMENTS_RO(circuit->ipv6_non_link, node, ip6)) - { - prefix2str((struct prefix*)ip6, (char *)buf, BUFSIZ); - zlog_warn(" %s", buf); - } - zlog_warn("End of addresses"); + if ((start >= 0) && (end >= start) && (end - start) < 16) { + memset(ifname, 0, 16); + strncpy(ifname, &ifp->name[start], end - start); + id = (u_char)atoi(ifname); } - else if (circuit->area) - lsp_regenerate_schedule (circuit->area, circuit->is_type, 0); - prefix_ipv6_free (ipv6); - } - return; -} + /* Try to be unique. */ + if (!id) + id = (u_char)((ifp->ifindex & 0xff) | 0x80); -static u_char -isis_circuit_id_gen (struct interface *ifp) -{ - u_char id = 0; - char ifname[16]; - unsigned int i; - int start = -1, end = -1; - - /* - * Get a stable circuit id from ifname. This makes - * the ifindex from flapping when netdevs are created - * and deleted on the fly. Note that this circuit id - * is used in pseudo lsps so it is better to be stable. - * The following code works on any reasonanle ifname - * like: eth1 or trk-1.1 etc. - */ - for (i = 0; i < strlen (ifp->name); i++) - { - if (isdigit((unsigned char)ifp->name[i])) - { - if (start < 0) - { - start = i; - end = i + 1; - } - else - { - end = i + 1; - } - } - else if (start >= 0) - break; - } - - if ((start >= 0) && (end >= start) && (end - start) < 16) - { - memset (ifname, 0, 16); - strncpy (ifname, &ifp->name[start], end - start); - id = (u_char)atoi(ifname); - } - - /* Try to be unique. */ - if (!id) - id = (u_char)((ifp->ifindex & 0xff) | 0x80); - - return id; + return id; } -void -isis_circuit_if_add (struct isis_circuit *circuit, struct interface *ifp) +void isis_circuit_if_add(struct isis_circuit *circuit, struct interface *ifp) { - struct listnode *node, *nnode; - struct connected *conn; - - circuit->circuit_id = isis_circuit_id_gen (ifp); - - isis_circuit_if_bind (circuit, ifp); - /* isis_circuit_update_addrs (circuit, ifp); */ - - if (if_is_broadcast (ifp)) - { - if (circuit->circ_type_config == CIRCUIT_T_P2P) - circuit->circ_type = CIRCUIT_T_P2P; - else - circuit->circ_type = CIRCUIT_T_BROADCAST; - } - else if (if_is_pointopoint (ifp)) - { - circuit->circ_type = CIRCUIT_T_P2P; - } - else if (if_is_loopback (ifp)) - { - circuit->circ_type = CIRCUIT_T_LOOPBACK; - circuit->is_passive = 1; - } - else - { - /* It's normal in case of loopback etc. */ - if (isis->debugs & DEBUG_EVENTS) - zlog_debug ("isis_circuit_if_add: unsupported media"); - circuit->circ_type = CIRCUIT_T_UNKNOWN; - } - - circuit->ip_addrs = list_new (); - circuit->ipv6_link = list_new (); - circuit->ipv6_non_link = list_new (); - - for (ALL_LIST_ELEMENTS (ifp->connected, node, nnode, conn)) - isis_circuit_add_addr (circuit, conn); - - return; + struct listnode *node, *nnode; + struct connected *conn; + + circuit->circuit_id = isis_circuit_id_gen(ifp); + + isis_circuit_if_bind(circuit, ifp); + /* isis_circuit_update_addrs (circuit, ifp); */ + + if (if_is_broadcast(ifp)) { + if (circuit->circ_type_config == CIRCUIT_T_P2P) + circuit->circ_type = CIRCUIT_T_P2P; + else + circuit->circ_type = CIRCUIT_T_BROADCAST; + } else if (if_is_pointopoint(ifp)) { + circuit->circ_type = CIRCUIT_T_P2P; + } else if (if_is_loopback(ifp)) { + circuit->circ_type = CIRCUIT_T_LOOPBACK; + circuit->is_passive = 1; + } else { + /* It's normal in case of loopback etc. */ + if (isis->debugs & DEBUG_EVENTS) + zlog_debug("isis_circuit_if_add: unsupported media"); + circuit->circ_type = CIRCUIT_T_UNKNOWN; + } + + circuit->ip_addrs = list_new(); + circuit->ipv6_link = list_new(); + circuit->ipv6_non_link = list_new(); + + for (ALL_LIST_ELEMENTS(ifp->connected, node, nnode, conn)) + isis_circuit_add_addr(circuit, conn); + + return; } -void -isis_circuit_if_del (struct isis_circuit *circuit, struct interface *ifp) +void isis_circuit_if_del(struct isis_circuit *circuit, struct interface *ifp) { - struct listnode *node, *nnode; - struct connected *conn; - - assert (circuit->interface == ifp); - - /* destroy addresses */ - for (ALL_LIST_ELEMENTS (ifp->connected, node, nnode, conn)) - isis_circuit_del_addr (circuit, conn); - - if (circuit->ip_addrs) - { - assert (listcount(circuit->ip_addrs) == 0); - list_delete (circuit->ip_addrs); - circuit->ip_addrs = NULL; - } - - if (circuit->ipv6_link) - { - assert (listcount(circuit->ipv6_link) == 0); - list_delete (circuit->ipv6_link); - circuit->ipv6_link = NULL; - } - - if (circuit->ipv6_non_link) - { - assert (listcount(circuit->ipv6_non_link) == 0); - list_delete (circuit->ipv6_non_link); - circuit->ipv6_non_link = NULL; - } - - circuit->circ_type = CIRCUIT_T_UNKNOWN; - circuit->circuit_id = 0; - - return; + struct listnode *node, *nnode; + struct connected *conn; + + assert(circuit->interface == ifp); + + /* destroy addresses */ + for (ALL_LIST_ELEMENTS(ifp->connected, node, nnode, conn)) + isis_circuit_del_addr(circuit, conn); + + if (circuit->ip_addrs) { + assert(listcount(circuit->ip_addrs) == 0); + list_delete(circuit->ip_addrs); + circuit->ip_addrs = NULL; + } + + if (circuit->ipv6_link) { + assert(listcount(circuit->ipv6_link) == 0); + list_delete(circuit->ipv6_link); + circuit->ipv6_link = NULL; + } + + if (circuit->ipv6_non_link) { + assert(listcount(circuit->ipv6_non_link) == 0); + list_delete(circuit->ipv6_non_link); + circuit->ipv6_non_link = NULL; + } + + circuit->circ_type = CIRCUIT_T_UNKNOWN; + circuit->circuit_id = 0; + + return; } -void -isis_circuit_if_bind (struct isis_circuit *circuit, struct interface *ifp) +void isis_circuit_if_bind(struct isis_circuit *circuit, struct interface *ifp) { - assert (circuit != NULL); - assert (ifp != NULL); - if (circuit->interface) - assert (circuit->interface == ifp); - else - circuit->interface = ifp; - if (ifp->info) - assert (ifp->info == circuit); - else - ifp->info = circuit; - isis_link_params_update (circuit, ifp); + assert(circuit != NULL); + assert(ifp != NULL); + if (circuit->interface) + assert(circuit->interface == ifp); + else + circuit->interface = ifp; + if (ifp->info) + assert(ifp->info == circuit); + else + ifp->info = circuit; + isis_link_params_update(circuit, ifp); } -void -isis_circuit_if_unbind (struct isis_circuit *circuit, struct interface *ifp) +void isis_circuit_if_unbind(struct isis_circuit *circuit, struct interface *ifp) { - assert (circuit != NULL); - assert (ifp != NULL); - assert (circuit->interface == ifp); - assert (ifp->info == circuit); - circuit->interface = NULL; - ifp->info = NULL; + assert(circuit != NULL); + assert(ifp != NULL); + assert(circuit->interface == ifp); + assert(ifp->info == circuit); + circuit->interface = NULL; + ifp->info = NULL; } -static void -isis_circuit_update_all_srmflags (struct isis_circuit *circuit, int is_set) +static void isis_circuit_update_all_srmflags(struct isis_circuit *circuit, + int is_set) { - struct isis_area *area; - struct isis_lsp *lsp; - dnode_t *dnode, *dnode_next; - int level; - - assert (circuit); - area = circuit->area; - assert (area); - for (level = ISIS_LEVEL1; level <= ISIS_LEVEL2; level++) - { - if (level & circuit->is_type) - { - if (area->lspdb[level - 1] && - dict_count (area->lspdb[level - 1]) > 0) - { - for (dnode = dict_first (area->lspdb[level - 1]); - dnode != NULL; dnode = dnode_next) - { - dnode_next = dict_next (area->lspdb[level - 1], dnode); - lsp = dnode_get (dnode); - if (is_set) - { - ISIS_SET_FLAG (lsp->SRMflags, circuit); - } - else - { - ISIS_CLEAR_FLAG (lsp->SRMflags, circuit); - } - } - } - } - } + struct isis_area *area; + struct isis_lsp *lsp; + dnode_t *dnode, *dnode_next; + int level; + + assert(circuit); + area = circuit->area; + assert(area); + for (level = ISIS_LEVEL1; level <= ISIS_LEVEL2; level++) { + if (level & circuit->is_type) { + if (area->lspdb[level - 1] + && dict_count(area->lspdb[level - 1]) > 0) { + for (dnode = dict_first(area->lspdb[level - 1]); + dnode != NULL; dnode = dnode_next) { + dnode_next = dict_next( + area->lspdb[level - 1], dnode); + lsp = dnode_get(dnode); + if (is_set) { + ISIS_SET_FLAG(lsp->SRMflags, + circuit); + } else { + ISIS_CLEAR_FLAG(lsp->SRMflags, + circuit); + } + } + } + } + } } -size_t -isis_circuit_pdu_size(struct isis_circuit *circuit) +size_t isis_circuit_pdu_size(struct isis_circuit *circuit) { - return ISO_MTU(circuit); + return ISO_MTU(circuit); } -void -isis_circuit_stream(struct isis_circuit *circuit, struct stream **stream) +void isis_circuit_stream(struct isis_circuit *circuit, struct stream **stream) { - size_t stream_size = isis_circuit_pdu_size(circuit); - - if (!*stream) - { - *stream = stream_new(stream_size); - } - else - { - if (STREAM_SIZE(*stream) != stream_size) - stream_resize(*stream, stream_size); - stream_reset(*stream); - } + size_t stream_size = isis_circuit_pdu_size(circuit); + + if (!*stream) { + *stream = stream_new(stream_size); + } else { + if (STREAM_SIZE(*stream) != stream_size) + stream_resize(*stream, stream_size); + stream_reset(*stream); + } } -void -isis_circuit_prepare (struct isis_circuit *circuit) +void isis_circuit_prepare(struct isis_circuit *circuit) { #ifdef GNU_LINUX - thread_add_read(master, isis_receive, circuit, circuit->fd, - &circuit->t_read); + thread_add_read(master, isis_receive, circuit, circuit->fd, + &circuit->t_read); #else - thread_add_timer_msec(master, isis_receive, circuit, - listcount(circuit->area->circuit_list) * 100, - &circuit->t_read); + thread_add_timer_msec(master, isis_receive, circuit, + listcount(circuit->area->circuit_list) * 100, + &circuit->t_read); #endif } -int -isis_circuit_up (struct isis_circuit *circuit) +int isis_circuit_up(struct isis_circuit *circuit) { - int retv; - - /* Set the flags for all the lsps of the circuit. */ - isis_circuit_update_all_srmflags (circuit, 1); - - if (circuit->state == C_STATE_UP) - return ISIS_OK; - - if (circuit->is_passive) - return ISIS_OK; - - if (circuit->area->lsp_mtu > isis_circuit_pdu_size(circuit)) - { - zlog_err("Interface MTU %zu on %s is too low to support area lsp mtu %u!", - isis_circuit_pdu_size(circuit), circuit->interface->name, - circuit->area->lsp_mtu); - isis_circuit_update_all_srmflags(circuit, 0); - return ISIS_ERROR; - } - - if (circuit->circ_type == CIRCUIT_T_BROADCAST) - { - /* - * Get the Hardware Address - */ - if (circuit->interface->hw_addr_len != ETH_ALEN) - { - zlog_warn ("unsupported link layer"); - } - else - { - memcpy (circuit->u.bc.snpa, circuit->interface->hw_addr, ETH_ALEN); - } + int retv; + + /* Set the flags for all the lsps of the circuit. */ + isis_circuit_update_all_srmflags(circuit, 1); + + if (circuit->state == C_STATE_UP) + return ISIS_OK; + + if (circuit->is_passive) + return ISIS_OK; + + if (circuit->area->lsp_mtu > isis_circuit_pdu_size(circuit)) { + zlog_err( + "Interface MTU %zu on %s is too low to support area lsp mtu %u!", + isis_circuit_pdu_size(circuit), + circuit->interface->name, circuit->area->lsp_mtu); + isis_circuit_update_all_srmflags(circuit, 0); + return ISIS_ERROR; + } + + if (circuit->circ_type == CIRCUIT_T_BROADCAST) { + /* + * Get the Hardware Address + */ + if (circuit->interface->hw_addr_len != ETH_ALEN) { + zlog_warn("unsupported link layer"); + } else { + memcpy(circuit->u.bc.snpa, circuit->interface->hw_addr, + ETH_ALEN); + } #ifdef EXTREME_DEGUG - zlog_debug ("isis_circuit_if_add: if_id %d, isomtu %d snpa %s", - circuit->interface->ifindex, ISO_MTU (circuit), - snpa_print (circuit->u.bc.snpa)); + zlog_debug("isis_circuit_if_add: if_id %d, isomtu %d snpa %s", + circuit->interface->ifindex, ISO_MTU(circuit), + snpa_print(circuit->u.bc.snpa)); #endif /* EXTREME_DEBUG */ - circuit->u.bc.adjdb[0] = list_new (); - circuit->u.bc.adjdb[1] = list_new (); - - /* - * ISO 10589 - 8.4.1 Enabling of broadcast circuits - */ - - /* initilizing the hello sending threads - * for a broadcast IF - */ - - /* 8.4.1 a) commence sending of IIH PDUs */ - - if (circuit->is_type & IS_LEVEL_1) - { - thread_add_event(master, send_lan_l1_hello, circuit, 0, NULL); - circuit->u.bc.lan_neighs[0] = list_new (); - } - - if (circuit->is_type & IS_LEVEL_2) - { - thread_add_event(master, send_lan_l2_hello, circuit, 0, NULL); - circuit->u.bc.lan_neighs[1] = list_new (); - } - - /* 8.4.1 b) FIXME: solicit ES - 8.4.6 */ - /* 8.4.1 c) FIXME: listen for ESH PDUs */ - - /* 8.4.1 d) */ - /* dr election will commence in... */ - if (circuit->is_type & IS_LEVEL_1) - thread_add_timer(master, isis_run_dr_l1, circuit, - 2 * circuit->hello_interval[0], - &circuit->u.bc.t_run_dr[0]); - if (circuit->is_type & IS_LEVEL_2) - thread_add_timer(master, isis_run_dr_l2, circuit, - 2 * circuit->hello_interval[1], - &circuit->u.bc.t_run_dr[1]); - } - else - { - /* initializing the hello send threads - * for a ptp IF - */ - circuit->u.p2p.neighbor = NULL; - thread_add_event(master, send_p2p_hello, circuit, 0, NULL); - } - - /* initializing PSNP timers */ - if (circuit->is_type & IS_LEVEL_1) - thread_add_timer(master, send_l1_psnp, circuit, - isis_jitter(circuit->psnp_interval[0], PSNP_JITTER), - &circuit->t_send_psnp[0]); - - if (circuit->is_type & IS_LEVEL_2) - thread_add_timer(master, send_l2_psnp, circuit, - isis_jitter(circuit->psnp_interval[1], PSNP_JITTER), - &circuit->t_send_psnp[1]); - - /* unified init for circuits; ignore warnings below this level */ - retv = isis_sock_init (circuit); - if (retv != ISIS_OK) - { - isis_circuit_down (circuit); - return retv; - } - - /* initialize the circuit streams after opening connection */ - isis_circuit_stream(circuit, &circuit->rcv_stream); - isis_circuit_stream(circuit, &circuit->snd_stream); - - isis_circuit_prepare (circuit); - - circuit->lsp_queue = list_new (); - circuit->lsp_queue_last_cleared = time (NULL); - - return ISIS_OK; + circuit->u.bc.adjdb[0] = list_new(); + circuit->u.bc.adjdb[1] = list_new(); + + /* + * ISO 10589 - 8.4.1 Enabling of broadcast circuits + */ + + /* initilizing the hello sending threads + * for a broadcast IF + */ + + /* 8.4.1 a) commence sending of IIH PDUs */ + + if (circuit->is_type & IS_LEVEL_1) { + thread_add_event(master, send_lan_l1_hello, circuit, 0, + NULL); + circuit->u.bc.lan_neighs[0] = list_new(); + } + + if (circuit->is_type & IS_LEVEL_2) { + thread_add_event(master, send_lan_l2_hello, circuit, 0, + NULL); + circuit->u.bc.lan_neighs[1] = list_new(); + } + + /* 8.4.1 b) FIXME: solicit ES - 8.4.6 */ + /* 8.4.1 c) FIXME: listen for ESH PDUs */ + + /* 8.4.1 d) */ + /* dr election will commence in... */ + if (circuit->is_type & IS_LEVEL_1) + thread_add_timer(master, isis_run_dr_l1, circuit, + 2 * circuit->hello_interval[0], + &circuit->u.bc.t_run_dr[0]); + if (circuit->is_type & IS_LEVEL_2) + thread_add_timer(master, isis_run_dr_l2, circuit, + 2 * circuit->hello_interval[1], + &circuit->u.bc.t_run_dr[1]); + } else { + /* initializing the hello send threads + * for a ptp IF + */ + circuit->u.p2p.neighbor = NULL; + thread_add_event(master, send_p2p_hello, circuit, 0, NULL); + } + + /* initializing PSNP timers */ + if (circuit->is_type & IS_LEVEL_1) + thread_add_timer( + master, send_l1_psnp, circuit, + isis_jitter(circuit->psnp_interval[0], PSNP_JITTER), + &circuit->t_send_psnp[0]); + + if (circuit->is_type & IS_LEVEL_2) + thread_add_timer( + master, send_l2_psnp, circuit, + isis_jitter(circuit->psnp_interval[1], PSNP_JITTER), + &circuit->t_send_psnp[1]); + + /* unified init for circuits; ignore warnings below this level */ + retv = isis_sock_init(circuit); + if (retv != ISIS_OK) { + isis_circuit_down(circuit); + return retv; + } + + /* initialize the circuit streams after opening connection */ + isis_circuit_stream(circuit, &circuit->rcv_stream); + isis_circuit_stream(circuit, &circuit->snd_stream); + + isis_circuit_prepare(circuit); + + circuit->lsp_queue = list_new(); + circuit->lsp_queue_last_cleared = time(NULL); + + return ISIS_OK; } -void -isis_circuit_down (struct isis_circuit *circuit) +void isis_circuit_down(struct isis_circuit *circuit) { - if (circuit->state != C_STATE_UP) - return; - - /* Clear the flags for all the lsps of the circuit. */ - isis_circuit_update_all_srmflags (circuit, 0); - - if (circuit->circ_type == CIRCUIT_T_BROADCAST) - { - /* destroy neighbour lists */ - if (circuit->u.bc.lan_neighs[0]) - { - list_delete (circuit->u.bc.lan_neighs[0]); - circuit->u.bc.lan_neighs[0] = NULL; - } - if (circuit->u.bc.lan_neighs[1]) - { - list_delete (circuit->u.bc.lan_neighs[1]); - circuit->u.bc.lan_neighs[1] = NULL; - } - /* destroy adjacency databases */ - if (circuit->u.bc.adjdb[0]) - { - circuit->u.bc.adjdb[0]->del = isis_delete_adj; - list_delete (circuit->u.bc.adjdb[0]); - circuit->u.bc.adjdb[0] = NULL; - } - if (circuit->u.bc.adjdb[1]) - { - circuit->u.bc.adjdb[1]->del = isis_delete_adj; - list_delete (circuit->u.bc.adjdb[1]); - circuit->u.bc.adjdb[1] = NULL; - } - if (circuit->u.bc.is_dr[0]) - { - isis_dr_resign (circuit, 1); - circuit->u.bc.is_dr[0] = 0; - } - memset (circuit->u.bc.l1_desig_is, 0, ISIS_SYS_ID_LEN + 1); - if (circuit->u.bc.is_dr[1]) - { - isis_dr_resign (circuit, 2); - circuit->u.bc.is_dr[1] = 0; - } - memset (circuit->u.bc.l2_desig_is, 0, ISIS_SYS_ID_LEN + 1); - memset (circuit->u.bc.snpa, 0, ETH_ALEN); - - THREAD_TIMER_OFF (circuit->u.bc.t_send_lan_hello[0]); - THREAD_TIMER_OFF (circuit->u.bc.t_send_lan_hello[1]); - THREAD_TIMER_OFF (circuit->u.bc.t_run_dr[0]); - THREAD_TIMER_OFF (circuit->u.bc.t_run_dr[1]); - THREAD_TIMER_OFF (circuit->u.bc.t_refresh_pseudo_lsp[0]); - THREAD_TIMER_OFF (circuit->u.bc.t_refresh_pseudo_lsp[1]); - circuit->lsp_regenerate_pending[0] = 0; - circuit->lsp_regenerate_pending[1] = 0; - } - else if (circuit->circ_type == CIRCUIT_T_P2P) - { - isis_delete_adj (circuit->u.p2p.neighbor); - circuit->u.p2p.neighbor = NULL; - THREAD_TIMER_OFF (circuit->u.p2p.t_send_p2p_hello); - } - - /* Cancel all active threads */ - THREAD_TIMER_OFF (circuit->t_send_csnp[0]); - THREAD_TIMER_OFF (circuit->t_send_csnp[1]); - THREAD_TIMER_OFF (circuit->t_send_psnp[0]); - THREAD_TIMER_OFF (circuit->t_send_psnp[1]); - THREAD_OFF (circuit->t_read); - - if (circuit->lsp_queue) - { - circuit->lsp_queue->del = NULL; - list_delete (circuit->lsp_queue); - circuit->lsp_queue = NULL; - } - - /* send one gratuitous hello to spead up convergence */ - if (circuit->is_type & IS_LEVEL_1) - send_hello (circuit, IS_LEVEL_1); - if (circuit->is_type & IS_LEVEL_2) - send_hello (circuit, IS_LEVEL_2); - - circuit->upadjcount[0] = 0; - circuit->upadjcount[1] = 0; - - /* close the socket */ - if (circuit->fd) - { - close (circuit->fd); - circuit->fd = 0; - } - - if (circuit->rcv_stream != NULL) - { - stream_free (circuit->rcv_stream); - circuit->rcv_stream = NULL; - } - - if (circuit->snd_stream != NULL) - { - stream_free (circuit->snd_stream); - circuit->snd_stream = NULL; - } - - thread_cancel_event (master, circuit); - - return; + if (circuit->state != C_STATE_UP) + return; + + /* Clear the flags for all the lsps of the circuit. */ + isis_circuit_update_all_srmflags(circuit, 0); + + if (circuit->circ_type == CIRCUIT_T_BROADCAST) { + /* destroy neighbour lists */ + if (circuit->u.bc.lan_neighs[0]) { + list_delete(circuit->u.bc.lan_neighs[0]); + circuit->u.bc.lan_neighs[0] = NULL; + } + if (circuit->u.bc.lan_neighs[1]) { + list_delete(circuit->u.bc.lan_neighs[1]); + circuit->u.bc.lan_neighs[1] = NULL; + } + /* destroy adjacency databases */ + if (circuit->u.bc.adjdb[0]) { + circuit->u.bc.adjdb[0]->del = isis_delete_adj; + list_delete(circuit->u.bc.adjdb[0]); + circuit->u.bc.adjdb[0] = NULL; + } + if (circuit->u.bc.adjdb[1]) { + circuit->u.bc.adjdb[1]->del = isis_delete_adj; + list_delete(circuit->u.bc.adjdb[1]); + circuit->u.bc.adjdb[1] = NULL; + } + if (circuit->u.bc.is_dr[0]) { + isis_dr_resign(circuit, 1); + circuit->u.bc.is_dr[0] = 0; + } + memset(circuit->u.bc.l1_desig_is, 0, ISIS_SYS_ID_LEN + 1); + if (circuit->u.bc.is_dr[1]) { + isis_dr_resign(circuit, 2); + circuit->u.bc.is_dr[1] = 0; + } + memset(circuit->u.bc.l2_desig_is, 0, ISIS_SYS_ID_LEN + 1); + memset(circuit->u.bc.snpa, 0, ETH_ALEN); + + THREAD_TIMER_OFF(circuit->u.bc.t_send_lan_hello[0]); + THREAD_TIMER_OFF(circuit->u.bc.t_send_lan_hello[1]); + THREAD_TIMER_OFF(circuit->u.bc.t_run_dr[0]); + THREAD_TIMER_OFF(circuit->u.bc.t_run_dr[1]); + THREAD_TIMER_OFF(circuit->u.bc.t_refresh_pseudo_lsp[0]); + THREAD_TIMER_OFF(circuit->u.bc.t_refresh_pseudo_lsp[1]); + circuit->lsp_regenerate_pending[0] = 0; + circuit->lsp_regenerate_pending[1] = 0; + } else if (circuit->circ_type == CIRCUIT_T_P2P) { + isis_delete_adj(circuit->u.p2p.neighbor); + circuit->u.p2p.neighbor = NULL; + THREAD_TIMER_OFF(circuit->u.p2p.t_send_p2p_hello); + } + + /* Cancel all active threads */ + THREAD_TIMER_OFF(circuit->t_send_csnp[0]); + THREAD_TIMER_OFF(circuit->t_send_csnp[1]); + THREAD_TIMER_OFF(circuit->t_send_psnp[0]); + THREAD_TIMER_OFF(circuit->t_send_psnp[1]); + THREAD_OFF(circuit->t_read); + + if (circuit->lsp_queue) { + circuit->lsp_queue->del = NULL; + list_delete(circuit->lsp_queue); + circuit->lsp_queue = NULL; + } + + /* send one gratuitous hello to spead up convergence */ + if (circuit->is_type & IS_LEVEL_1) + send_hello(circuit, IS_LEVEL_1); + if (circuit->is_type & IS_LEVEL_2) + send_hello(circuit, IS_LEVEL_2); + + circuit->upadjcount[0] = 0; + circuit->upadjcount[1] = 0; + + /* close the socket */ + if (circuit->fd) { + close(circuit->fd); + circuit->fd = 0; + } + + if (circuit->rcv_stream != NULL) { + stream_free(circuit->rcv_stream); + circuit->rcv_stream = NULL; + } + + if (circuit->snd_stream != NULL) { + stream_free(circuit->snd_stream); + circuit->snd_stream = NULL; + } + + thread_cancel_event(master, circuit); + + return; } -void -circuit_update_nlpids (struct isis_circuit *circuit) +void circuit_update_nlpids(struct isis_circuit *circuit) { - circuit->nlpids.count = 0; - - if (circuit->ip_router) - { - circuit->nlpids.nlpids[0] = NLPID_IP; - circuit->nlpids.count++; - } - if (circuit->ipv6_router) - { - circuit->nlpids.nlpids[circuit->nlpids.count] = NLPID_IPV6; - circuit->nlpids.count++; - } - return; + circuit->nlpids.count = 0; + + if (circuit->ip_router) { + circuit->nlpids.nlpids[0] = NLPID_IP; + circuit->nlpids.count++; + } + if (circuit->ipv6_router) { + circuit->nlpids.nlpids[circuit->nlpids.count] = NLPID_IPV6; + circuit->nlpids.count++; + } + return; } -void -isis_circuit_print_vty (struct isis_circuit *circuit, struct vty *vty, - char detail) +void isis_circuit_print_vty(struct isis_circuit *circuit, struct vty *vty, + char detail) { - if (detail == ISIS_UI_LEVEL_BRIEF) - { - vty_out (vty, " %-12s", circuit->interface->name); - vty_out (vty, "0x%-7x", circuit->circuit_id); - vty_out (vty, "%-9s", circuit_state2string (circuit->state)); - vty_out (vty, "%-9s", circuit_type2string (circuit->circ_type)); - vty_out (vty, "%-9s", circuit_t2string (circuit->is_type)); - vty_out (vty, "\n"); - } - - if (detail == ISIS_UI_LEVEL_DETAIL) - { - struct listnode *node; - struct prefix *ip_addr; - char buf[BUFSIZ]; - - vty_out (vty, " Interface: %s", circuit->interface->name); - vty_out (vty, ", State: %s", circuit_state2string (circuit->state)); - if (circuit->is_passive) - vty_out (vty, ", Passive"); - else - vty_out (vty, ", Active"); - vty_out (vty, ", Circuit Id: 0x%x", circuit->circuit_id); - vty_out (vty, "\n"); - vty_out (vty, " Type: %s", circuit_type2string (circuit->circ_type)); - vty_out (vty, ", Level: %s", circuit_t2string (circuit->is_type)); - if (circuit->circ_type == CIRCUIT_T_BROADCAST) - vty_out (vty, ", SNPA: %-10s", snpa_print (circuit->u.bc.snpa)); - vty_out (vty, "\n"); - if (circuit->is_type & IS_LEVEL_1) - { - vty_out (vty, " Level-1 Information:\n"); - if (circuit->area->newmetric) - vty_out (vty, " Metric: %d", circuit->te_metric[0]); - else - vty_out (vty, " Metric: %d", - circuit->metric[0]); - if (!circuit->is_passive) - { - vty_out (vty, ", Active neighbors: %u\n", - circuit->upadjcount[0]); - vty_out (vty, " Hello interval: %u, " - "Holddown count: %u %s\n", - circuit->hello_interval[0], - circuit->hello_multiplier[0], - (circuit->pad_hellos ? "(pad)" : "(no-pad)")); - vty_out (vty, " CNSP interval: %u, " - "PSNP interval: %u\n", - circuit->csnp_interval[0], - circuit->psnp_interval[0]); - if (circuit->circ_type == CIRCUIT_T_BROADCAST) - vty_out (vty, " LAN Priority: %u, %s\n", - circuit->priority[0], - (circuit->u.bc.is_dr[0] ? "is DIS" : "is not DIS")); - } - else - { - vty_out (vty, "\n"); - } - } - if (circuit->is_type & IS_LEVEL_2) - { - vty_out (vty, " Level-2 Information:\n"); - if (circuit->area->newmetric) - vty_out (vty, " Metric: %d", circuit->te_metric[1]); - else - vty_out (vty, " Metric: %d", - circuit->metric[1]); - if (!circuit->is_passive) - { - vty_out (vty, ", Active neighbors: %u\n", - circuit->upadjcount[1]); - vty_out (vty, " Hello interval: %u, " - "Holddown count: %u %s\n", - circuit->hello_interval[1], - circuit->hello_multiplier[1], - (circuit->pad_hellos ? "(pad)" : "(no-pad)")); - vty_out (vty, " CNSP interval: %u, " - "PSNP interval: %u\n", - circuit->csnp_interval[1], - circuit->psnp_interval[1]); - if (circuit->circ_type == CIRCUIT_T_BROADCAST) - vty_out (vty, " LAN Priority: %u, %s\n", - circuit->priority[1], - (circuit->u.bc.is_dr[1] ? "is DIS" : "is not DIS")); - } - else - { - vty_out (vty, "\n"); - } - } - if (circuit->ip_addrs && listcount (circuit->ip_addrs) > 0) - { - vty_out (vty, " IP Prefix(es):\n"); - for (ALL_LIST_ELEMENTS_RO (circuit->ip_addrs, node, ip_addr)) - { - prefix2str (ip_addr, buf, sizeof (buf)), - vty_out (vty, " %s\n", buf); - } - } - if (circuit->ipv6_link && listcount(circuit->ipv6_link) > 0) - { - vty_out (vty, " IPv6 Link-Locals:\n"); - for (ALL_LIST_ELEMENTS_RO(circuit->ipv6_link, node, ip_addr)) - { - prefix2str(ip_addr, (char*)buf, BUFSIZ), - vty_out (vty, " %s\n", buf); - } - } - if (circuit->ipv6_non_link && listcount(circuit->ipv6_non_link) > 0) - { - vty_out (vty, " IPv6 Prefixes:\n"); - for (ALL_LIST_ELEMENTS_RO(circuit->ipv6_non_link, node, ip_addr)) - { - prefix2str(ip_addr, (char*)buf, BUFSIZ), - vty_out (vty, " %s\n", buf); - } - } - - vty_out (vty, "\n"); - } - return; + if (detail == ISIS_UI_LEVEL_BRIEF) { + vty_out(vty, " %-12s", circuit->interface->name); + vty_out(vty, "0x%-7x", circuit->circuit_id); + vty_out(vty, "%-9s", circuit_state2string(circuit->state)); + vty_out(vty, "%-9s", circuit_type2string(circuit->circ_type)); + vty_out(vty, "%-9s", circuit_t2string(circuit->is_type)); + vty_out(vty, "\n"); + } + + if (detail == ISIS_UI_LEVEL_DETAIL) { + struct listnode *node; + struct prefix *ip_addr; + char buf[BUFSIZ]; + + vty_out(vty, " Interface: %s", circuit->interface->name); + vty_out(vty, ", State: %s", + circuit_state2string(circuit->state)); + if (circuit->is_passive) + vty_out(vty, ", Passive"); + else + vty_out(vty, ", Active"); + vty_out(vty, ", Circuit Id: 0x%x", circuit->circuit_id); + vty_out(vty, "\n"); + vty_out(vty, " Type: %s", + circuit_type2string(circuit->circ_type)); + vty_out(vty, ", Level: %s", circuit_t2string(circuit->is_type)); + if (circuit->circ_type == CIRCUIT_T_BROADCAST) + vty_out(vty, ", SNPA: %-10s", + snpa_print(circuit->u.bc.snpa)); + vty_out(vty, "\n"); + if (circuit->is_type & IS_LEVEL_1) { + vty_out(vty, " Level-1 Information:\n"); + if (circuit->area->newmetric) + vty_out(vty, " Metric: %d", + circuit->te_metric[0]); + else + vty_out(vty, " Metric: %d", + circuit->metric[0]); + if (!circuit->is_passive) { + vty_out(vty, ", Active neighbors: %u\n", + circuit->upadjcount[0]); + vty_out(vty, + " Hello interval: %u, " + "Holddown count: %u %s\n", + circuit->hello_interval[0], + circuit->hello_multiplier[0], + (circuit->pad_hellos ? "(pad)" + : "(no-pad)")); + vty_out(vty, + " CNSP interval: %u, " + "PSNP interval: %u\n", + circuit->csnp_interval[0], + circuit->psnp_interval[0]); + if (circuit->circ_type == CIRCUIT_T_BROADCAST) + vty_out(vty, + " LAN Priority: %u, %s\n", + circuit->priority[0], + (circuit->u.bc.is_dr[0] + ? "is DIS" + : "is not DIS")); + } else { + vty_out(vty, "\n"); + } + } + if (circuit->is_type & IS_LEVEL_2) { + vty_out(vty, " Level-2 Information:\n"); + if (circuit->area->newmetric) + vty_out(vty, " Metric: %d", + circuit->te_metric[1]); + else + vty_out(vty, " Metric: %d", + circuit->metric[1]); + if (!circuit->is_passive) { + vty_out(vty, ", Active neighbors: %u\n", + circuit->upadjcount[1]); + vty_out(vty, + " Hello interval: %u, " + "Holddown count: %u %s\n", + circuit->hello_interval[1], + circuit->hello_multiplier[1], + (circuit->pad_hellos ? "(pad)" + : "(no-pad)")); + vty_out(vty, + " CNSP interval: %u, " + "PSNP interval: %u\n", + circuit->csnp_interval[1], + circuit->psnp_interval[1]); + if (circuit->circ_type == CIRCUIT_T_BROADCAST) + vty_out(vty, + " LAN Priority: %u, %s\n", + circuit->priority[1], + (circuit->u.bc.is_dr[1] + ? "is DIS" + : "is not DIS")); + } else { + vty_out(vty, "\n"); + } + } + if (circuit->ip_addrs && listcount(circuit->ip_addrs) > 0) { + vty_out(vty, " IP Prefix(es):\n"); + for (ALL_LIST_ELEMENTS_RO(circuit->ip_addrs, node, + ip_addr)) { + prefix2str(ip_addr, buf, sizeof(buf)), + vty_out(vty, " %s\n", buf); + } + } + if (circuit->ipv6_link && listcount(circuit->ipv6_link) > 0) { + vty_out(vty, " IPv6 Link-Locals:\n"); + for (ALL_LIST_ELEMENTS_RO(circuit->ipv6_link, node, + ip_addr)) { + prefix2str(ip_addr, (char *)buf, BUFSIZ), + vty_out(vty, " %s\n", buf); + } + } + if (circuit->ipv6_non_link + && listcount(circuit->ipv6_non_link) > 0) { + vty_out(vty, " IPv6 Prefixes:\n"); + for (ALL_LIST_ELEMENTS_RO(circuit->ipv6_non_link, node, + ip_addr)) { + prefix2str(ip_addr, (char *)buf, BUFSIZ), + vty_out(vty, " %s\n", buf); + } + } + + vty_out(vty, "\n"); + } + return; } -int -isis_interface_config_write (struct vty *vty) +int isis_interface_config_write(struct vty *vty) { - int write = 0; - struct listnode *node, *node2; - struct interface *ifp; - struct isis_area *area; - struct isis_circuit *circuit; - int i; - - for (ALL_LIST_ELEMENTS_RO (vrf_iflist (VRF_DEFAULT), node, ifp)) - { - if (ifp->ifindex == IFINDEX_DELETED) - continue; - - /* IF name */ - vty_out (vty, "interface %s\n", ifp->name); - write++; - /* IF desc */ - if (ifp->desc) - { - vty_out (vty, " description %s\n", ifp->desc); - write++; - } - /* ISIS Circuit */ - for (ALL_LIST_ELEMENTS_RO (isis->area_list, node2, area)) - { - circuit = circuit_lookup_by_ifp (ifp, area->circuit_list); - if (circuit == NULL) - continue; - if (circuit->ip_router) - { - vty_out (vty, " ip router isis %s\n",area->area_tag); - write++; - } - if (circuit->is_passive) - { - vty_out (vty, " isis passive\n"); - write++; - } - if (circuit->circ_type_config == CIRCUIT_T_P2P) - { - vty_out (vty, " isis network point-to-point\n"); - write++; - } - if (circuit->ipv6_router) - { - vty_out (vty, " ipv6 router isis %s\n",area->area_tag); - write++; - } - - /* ISIS - circuit type */ - if (circuit->is_type == IS_LEVEL_1) - { - vty_out (vty, " isis circuit-type level-1\n"); - write++; - } - else - { - if (circuit->is_type == IS_LEVEL_2) - { - vty_out (vty," isis circuit-type level-2-only\n"); - write++; - } - } - - /* ISIS - CSNP interval */ - if (circuit->csnp_interval[0] == circuit->csnp_interval[1]) - { - if (circuit->csnp_interval[0] != DEFAULT_CSNP_INTERVAL) - { - vty_out (vty, " isis csnp-interval %d\n", - circuit->csnp_interval[0]); - write++; - } - } - else - { - for (i = 0; i < 2; i++) - { - if (circuit->csnp_interval[i] != DEFAULT_CSNP_INTERVAL) - { - vty_out (vty, " isis csnp-interval %d level-%d\n", - circuit->csnp_interval[i], i + 1); - write++; - } - } - } - - /* ISIS - PSNP interval */ - if (circuit->psnp_interval[0] == circuit->psnp_interval[1]) - { - if (circuit->psnp_interval[0] != DEFAULT_PSNP_INTERVAL) - { - vty_out (vty, " isis psnp-interval %d\n", - circuit->psnp_interval[0]); - write++; - } - } - else - { - for (i = 0; i < 2; i++) - { - if (circuit->psnp_interval[i] != DEFAULT_PSNP_INTERVAL) - { - vty_out (vty, " isis psnp-interval %d level-%d\n", - circuit->psnp_interval[i], i + 1); - write++; - } - } - } - - /* ISIS - Hello padding - Defaults to true so only display if false */ - if (circuit->pad_hellos == 0) - { - vty_out (vty, " no isis hello padding\n"); - write++; - } - - /* ISIS - Hello interval */ - if (circuit->hello_interval[0] == circuit->hello_interval[1]) - { - if (circuit->hello_interval[0] != DEFAULT_HELLO_INTERVAL) - { - vty_out (vty, " isis hello-interval %d\n", - circuit->hello_interval[0]); - write++; - } - } - else - { - for (i = 0; i < 2; i++) - { - if (circuit->hello_interval[i] != DEFAULT_HELLO_INTERVAL) - { - vty_out (vty, " isis hello-interval %d level-%d\n", - circuit->hello_interval[i], i + 1); - write++; - } - } - } - - /* ISIS - Hello Multiplier */ - if (circuit->hello_multiplier[0] == circuit->hello_multiplier[1]) - { - if (circuit->hello_multiplier[0] != DEFAULT_HELLO_MULTIPLIER) - { - vty_out (vty, " isis hello-multiplier %d\n", - circuit->hello_multiplier[0]); - write++; - } - } - else - { - for (i = 0; i < 2; i++) - { - if (circuit->hello_multiplier[i] != DEFAULT_HELLO_MULTIPLIER) - { - vty_out (vty, " isis hello-multiplier %d level-%d\n", - circuit->hello_multiplier[i],i + 1); - write++; - } - } - } - - /* ISIS - Priority */ - if (circuit->priority[0] == circuit->priority[1]) - { - if (circuit->priority[0] != DEFAULT_PRIORITY) - { - vty_out (vty, " isis priority %d\n", - circuit->priority[0]); - write++; - } - } - else - { - for (i = 0; i < 2; i++) - { - if (circuit->priority[i] != DEFAULT_PRIORITY) - { - vty_out (vty, " isis priority %d level-%d\n", - circuit->priority[i], i + 1); - write++; - } - } - } - - /* ISIS - Metric */ - if (circuit->te_metric[0] == circuit->te_metric[1]) - { - if (circuit->te_metric[0] != DEFAULT_CIRCUIT_METRIC) - { - vty_out (vty, " isis metric %d\n",circuit->te_metric[0]); - write++; - } - } - else - { - for (i = 0; i < 2; i++) - { - if (circuit->te_metric[i] != DEFAULT_CIRCUIT_METRIC) - { - vty_out (vty, " isis metric %d level-%d\n", - circuit->te_metric[i], i + 1); - write++; - } - } - } - if (circuit->passwd.type == ISIS_PASSWD_TYPE_HMAC_MD5) - { - vty_out (vty, " isis password md5 %s\n", - circuit->passwd.passwd); - write++; - } - else if (circuit->passwd.type == ISIS_PASSWD_TYPE_CLEARTXT) - { - vty_out (vty, " isis password clear %s\n", - circuit->passwd.passwd); - write++; - } - write += circuit_write_mt_settings(circuit, vty); - } - vty_out (vty, "!\n"); - } - - return write; + int write = 0; + struct listnode *node, *node2; + struct interface *ifp; + struct isis_area *area; + struct isis_circuit *circuit; + int i; + + for (ALL_LIST_ELEMENTS_RO(vrf_iflist(VRF_DEFAULT), node, ifp)) { + if (ifp->ifindex == IFINDEX_DELETED) + continue; + + /* IF name */ + vty_out(vty, "interface %s\n", ifp->name); + write++; + /* IF desc */ + if (ifp->desc) { + vty_out(vty, " description %s\n", ifp->desc); + write++; + } + /* ISIS Circuit */ + for (ALL_LIST_ELEMENTS_RO(isis->area_list, node2, area)) { + circuit = + circuit_lookup_by_ifp(ifp, area->circuit_list); + if (circuit == NULL) + continue; + if (circuit->ip_router) { + vty_out(vty, " ip router isis %s\n", + area->area_tag); + write++; + } + if (circuit->is_passive) { + vty_out(vty, " isis passive\n"); + write++; + } + if (circuit->circ_type_config == CIRCUIT_T_P2P) { + vty_out(vty, " isis network point-to-point\n"); + write++; + } + if (circuit->ipv6_router) { + vty_out(vty, " ipv6 router isis %s\n", + area->area_tag); + write++; + } + + /* ISIS - circuit type */ + if (circuit->is_type == IS_LEVEL_1) { + vty_out(vty, " isis circuit-type level-1\n"); + write++; + } else { + if (circuit->is_type == IS_LEVEL_2) { + vty_out(vty, + " isis circuit-type level-2-only\n"); + write++; + } + } + + /* ISIS - CSNP interval */ + if (circuit->csnp_interval[0] + == circuit->csnp_interval[1]) { + if (circuit->csnp_interval[0] + != DEFAULT_CSNP_INTERVAL) { + vty_out(vty, " isis csnp-interval %d\n", + circuit->csnp_interval[0]); + write++; + } + } else { + for (i = 0; i < 2; i++) { + if (circuit->csnp_interval[i] + != DEFAULT_CSNP_INTERVAL) { + vty_out(vty, + " isis csnp-interval %d level-%d\n", + circuit->csnp_interval + [i], + i + 1); + write++; + } + } + } + + /* ISIS - PSNP interval */ + if (circuit->psnp_interval[0] + == circuit->psnp_interval[1]) { + if (circuit->psnp_interval[0] + != DEFAULT_PSNP_INTERVAL) { + vty_out(vty, " isis psnp-interval %d\n", + circuit->psnp_interval[0]); + write++; + } + } else { + for (i = 0; i < 2; i++) { + if (circuit->psnp_interval[i] + != DEFAULT_PSNP_INTERVAL) { + vty_out(vty, + " isis psnp-interval %d level-%d\n", + circuit->psnp_interval + [i], + i + 1); + write++; + } + } + } + + /* ISIS - Hello padding - Defaults to true so only + * display if false */ + if (circuit->pad_hellos == 0) { + vty_out(vty, " no isis hello padding\n"); + write++; + } + + /* ISIS - Hello interval */ + if (circuit->hello_interval[0] + == circuit->hello_interval[1]) { + if (circuit->hello_interval[0] + != DEFAULT_HELLO_INTERVAL) { + vty_out(vty, + " isis hello-interval %d\n", + circuit->hello_interval[0]); + write++; + } + } else { + for (i = 0; i < 2; i++) { + if (circuit->hello_interval[i] + != DEFAULT_HELLO_INTERVAL) { + vty_out(vty, + " isis hello-interval %d level-%d\n", + circuit->hello_interval + [i], + i + 1); + write++; + } + } + } + + /* ISIS - Hello Multiplier */ + if (circuit->hello_multiplier[0] + == circuit->hello_multiplier[1]) { + if (circuit->hello_multiplier[0] + != DEFAULT_HELLO_MULTIPLIER) { + vty_out(vty, + " isis hello-multiplier %d\n", + circuit->hello_multiplier[0]); + write++; + } + } else { + for (i = 0; i < 2; i++) { + if (circuit->hello_multiplier[i] + != DEFAULT_HELLO_MULTIPLIER) { + vty_out(vty, + " isis hello-multiplier %d level-%d\n", + circuit->hello_multiplier + [i], + i + 1); + write++; + } + } + } + + /* ISIS - Priority */ + if (circuit->priority[0] == circuit->priority[1]) { + if (circuit->priority[0] != DEFAULT_PRIORITY) { + vty_out(vty, " isis priority %d\n", + circuit->priority[0]); + write++; + } + } else { + for (i = 0; i < 2; i++) { + if (circuit->priority[i] + != DEFAULT_PRIORITY) { + vty_out(vty, + " isis priority %d level-%d\n", + circuit->priority[i], + i + 1); + write++; + } + } + } + + /* ISIS - Metric */ + if (circuit->te_metric[0] == circuit->te_metric[1]) { + if (circuit->te_metric[0] + != DEFAULT_CIRCUIT_METRIC) { + vty_out(vty, " isis metric %d\n", + circuit->te_metric[0]); + write++; + } + } else { + for (i = 0; i < 2; i++) { + if (circuit->te_metric[i] + != DEFAULT_CIRCUIT_METRIC) { + vty_out(vty, + " isis metric %d level-%d\n", + circuit->te_metric[i], + i + 1); + write++; + } + } + } + if (circuit->passwd.type == ISIS_PASSWD_TYPE_HMAC_MD5) { + vty_out(vty, " isis password md5 %s\n", + circuit->passwd.passwd); + write++; + } else if (circuit->passwd.type + == ISIS_PASSWD_TYPE_CLEARTXT) { + vty_out(vty, " isis password clear %s\n", + circuit->passwd.passwd); + write++; + } + write += circuit_write_mt_settings(circuit, vty); + } + vty_out(vty, "!\n"); + } + + return write; } -struct isis_circuit * -isis_circuit_create (struct isis_area *area, struct interface *ifp) +struct isis_circuit *isis_circuit_create(struct isis_area *area, + struct interface *ifp) { - struct isis_circuit *circuit = circuit_scan_by_ifp (ifp); - if (circuit && circuit->area) - return NULL; - circuit = isis_csm_state_change (ISIS_ENABLE, circuit, area); - if (circuit->state != C_STATE_CONF && circuit->state != C_STATE_UP) - return circuit; - isis_circuit_if_bind (circuit, ifp); - return circuit; + struct isis_circuit *circuit = circuit_scan_by_ifp(ifp); + if (circuit && circuit->area) + return NULL; + circuit = isis_csm_state_change(ISIS_ENABLE, circuit, area); + if (circuit->state != C_STATE_CONF && circuit->state != C_STATE_UP) + return circuit; + isis_circuit_if_bind(circuit, ifp); + return circuit; } -void -isis_circuit_af_set (struct isis_circuit *circuit, bool ip_router, bool ipv6_router) +void isis_circuit_af_set(struct isis_circuit *circuit, bool ip_router, + bool ipv6_router) { - struct isis_area *area = circuit->area; - bool change = circuit->ip_router != ip_router || circuit->ipv6_router != ipv6_router; - bool was_enabled = !!circuit->area; - - area->ip_circuits += ip_router - circuit->ip_router; - area->ipv6_circuits += ipv6_router - circuit->ipv6_router; - circuit->ip_router = ip_router; - circuit->ipv6_router = ipv6_router; - - if (!change) - return; - - circuit_update_nlpids (circuit); - - if (!ip_router && !ipv6_router) - isis_csm_state_change (ISIS_DISABLE, circuit, area); - else if (!was_enabled) - isis_csm_state_change (ISIS_ENABLE, circuit, area); - else - lsp_regenerate_schedule(circuit->area, circuit->is_type, 0); + struct isis_area *area = circuit->area; + bool change = circuit->ip_router != ip_router + || circuit->ipv6_router != ipv6_router; + bool was_enabled = !!circuit->area; + + area->ip_circuits += ip_router - circuit->ip_router; + area->ipv6_circuits += ipv6_router - circuit->ipv6_router; + circuit->ip_router = ip_router; + circuit->ipv6_router = ipv6_router; + + if (!change) + return; + + circuit_update_nlpids(circuit); + + if (!ip_router && !ipv6_router) + isis_csm_state_change(ISIS_DISABLE, circuit, area); + else if (!was_enabled) + isis_csm_state_change(ISIS_ENABLE, circuit, area); + else + lsp_regenerate_schedule(circuit->area, circuit->is_type, 0); } -int -isis_circuit_passive_set (struct isis_circuit *circuit, bool passive) +int isis_circuit_passive_set(struct isis_circuit *circuit, bool passive) { - if (circuit->is_passive == passive) - return 0; - - if (if_is_loopback (circuit->interface) && !passive) - return -1; - - if (circuit->state != C_STATE_UP) - { - circuit->is_passive = passive; - } - else - { - struct isis_area *area = circuit->area; - isis_csm_state_change (ISIS_DISABLE, circuit, area); - circuit->is_passive = passive; - isis_csm_state_change (ISIS_ENABLE, circuit, area); - } - - return 0; + if (circuit->is_passive == passive) + return 0; + + if (if_is_loopback(circuit->interface) && !passive) + return -1; + + if (circuit->state != C_STATE_UP) { + circuit->is_passive = passive; + } else { + struct isis_area *area = circuit->area; + isis_csm_state_change(ISIS_DISABLE, circuit, area); + circuit->is_passive = passive; + isis_csm_state_change(ISIS_ENABLE, circuit, area); + } + + return 0; } -int -isis_circuit_metric_set (struct isis_circuit *circuit, int level, int metric) +int isis_circuit_metric_set(struct isis_circuit *circuit, int level, int metric) { - assert (level == IS_LEVEL_1 || level == IS_LEVEL_2); - if (metric > MAX_WIDE_LINK_METRIC) - return -1; - if (circuit->area && circuit->area->oldmetric - && metric > MAX_NARROW_LINK_METRIC) - return -1; - - circuit->te_metric[level - 1] = metric; - circuit->metric[level - 1] = metric; - - if (circuit->area) - lsp_regenerate_schedule (circuit->area, level, 0); - return 0; + assert(level == IS_LEVEL_1 || level == IS_LEVEL_2); + if (metric > MAX_WIDE_LINK_METRIC) + return -1; + if (circuit->area && circuit->area->oldmetric + && metric > MAX_NARROW_LINK_METRIC) + return -1; + + circuit->te_metric[level - 1] = metric; + circuit->metric[level - 1] = metric; + + if (circuit->area) + lsp_regenerate_schedule(circuit->area, level, 0); + return 0; } -int -isis_circuit_passwd_unset (struct isis_circuit *circuit) +int isis_circuit_passwd_unset(struct isis_circuit *circuit) { - memset(&circuit->passwd, 0, sizeof(circuit->passwd)); - return 0; + memset(&circuit->passwd, 0, sizeof(circuit->passwd)); + return 0; } -static int -isis_circuit_passwd_set (struct isis_circuit *circuit, u_char passwd_type, const char *passwd) +static int isis_circuit_passwd_set(struct isis_circuit *circuit, + u_char passwd_type, const char *passwd) { - int len; + int len; - if (!passwd) - return -1; + if (!passwd) + return -1; - len = strlen(passwd); - if (len > 254) - return -1; + len = strlen(passwd); + if (len > 254) + return -1; - circuit->passwd.len = len; - strncpy((char *)circuit->passwd.passwd, passwd, 255); - circuit->passwd.type = passwd_type; - return 0; + circuit->passwd.len = len; + strncpy((char *)circuit->passwd.passwd, passwd, 255); + circuit->passwd.type = passwd_type; + return 0; } -int -isis_circuit_passwd_cleartext_set (struct isis_circuit *circuit, const char *passwd) +int isis_circuit_passwd_cleartext_set(struct isis_circuit *circuit, + const char *passwd) { - return isis_circuit_passwd_set (circuit, ISIS_PASSWD_TYPE_CLEARTXT, passwd); + return isis_circuit_passwd_set(circuit, ISIS_PASSWD_TYPE_CLEARTXT, + passwd); } -int -isis_circuit_passwd_hmac_md5_set (struct isis_circuit *circuit, const char *passwd) +int isis_circuit_passwd_hmac_md5_set(struct isis_circuit *circuit, + const char *passwd) { - return isis_circuit_passwd_set (circuit, ISIS_PASSWD_TYPE_HMAC_MD5, passwd); + return isis_circuit_passwd_set(circuit, ISIS_PASSWD_TYPE_HMAC_MD5, + passwd); } struct cmd_node interface_node = { - INTERFACE_NODE, - "%s(config-if)# ", - 1, + INTERFACE_NODE, "%s(config-if)# ", 1, }; -int -isis_circuit_circ_type_set(struct isis_circuit *circuit, int circ_type) +int isis_circuit_circ_type_set(struct isis_circuit *circuit, int circ_type) { - /* Changing the network type to/of loopback or unknown interfaces - * is not supported. */ - if (circ_type == CIRCUIT_T_UNKNOWN - || circ_type == CIRCUIT_T_LOOPBACK - || circuit->circ_type == CIRCUIT_T_LOOPBACK) - { - if (circuit->circ_type != circ_type) - return -1; - else - return 0; - } - - if (circuit->circ_type == circ_type) - return 0; - - if (circuit->state != C_STATE_UP) - { - circuit->circ_type = circ_type; - circuit->circ_type_config = circ_type; - } - else - { - struct isis_area *area = circuit->area; - if (circ_type == CIRCUIT_T_BROADCAST - && !if_is_broadcast(circuit->interface)) - return -1; - - isis_csm_state_change(ISIS_DISABLE, circuit, area); - circuit->circ_type = circ_type; - circuit->circ_type_config = circ_type; - isis_csm_state_change(ISIS_ENABLE, circuit, area); - } - return 0; + /* Changing the network type to/of loopback or unknown interfaces + * is not supported. */ + if (circ_type == CIRCUIT_T_UNKNOWN || circ_type == CIRCUIT_T_LOOPBACK + || circuit->circ_type == CIRCUIT_T_LOOPBACK) { + if (circuit->circ_type != circ_type) + return -1; + else + return 0; + } + + if (circuit->circ_type == circ_type) + return 0; + + if (circuit->state != C_STATE_UP) { + circuit->circ_type = circ_type; + circuit->circ_type_config = circ_type; + } else { + struct isis_area *area = circuit->area; + if (circ_type == CIRCUIT_T_BROADCAST + && !if_is_broadcast(circuit->interface)) + return -1; + + isis_csm_state_change(ISIS_DISABLE, circuit, area); + circuit->circ_type = circ_type; + circuit->circ_type_config = circ_type; + isis_csm_state_change(ISIS_ENABLE, circuit, area); + } + return 0; } -int -isis_circuit_mt_enabled_set (struct isis_circuit *circuit, uint16_t mtid, - bool enabled) +int isis_circuit_mt_enabled_set(struct isis_circuit *circuit, uint16_t mtid, + bool enabled) { - struct isis_circuit_mt_setting *setting; + struct isis_circuit_mt_setting *setting; - setting = circuit_get_mt_setting(circuit, mtid); - if (setting->enabled != enabled) - { - setting->enabled = enabled; - lsp_regenerate_schedule (circuit->area, IS_LEVEL_1 | IS_LEVEL_2, 0); - } + setting = circuit_get_mt_setting(circuit, mtid); + if (setting->enabled != enabled) { + setting->enabled = enabled; + lsp_regenerate_schedule(circuit->area, IS_LEVEL_1 | IS_LEVEL_2, + 0); + } - return CMD_SUCCESS; + return CMD_SUCCESS; } -int -isis_if_new_hook (struct interface *ifp) +int isis_if_new_hook(struct interface *ifp) { - return 0; + return 0; } -int -isis_if_delete_hook (struct interface *ifp) +int isis_if_delete_hook(struct interface *ifp) { - struct isis_circuit *circuit; - /* Clean up the circuit data */ - if (ifp && ifp->info) - { - circuit = ifp->info; - isis_csm_state_change (IF_DOWN_FROM_Z, circuit, circuit->area); - isis_csm_state_change (ISIS_DISABLE, circuit, circuit->area); - } - - return 0; + struct isis_circuit *circuit; + /* Clean up the circuit data */ + if (ifp && ifp->info) { + circuit = ifp->info; + isis_csm_state_change(IF_DOWN_FROM_Z, circuit, circuit->area); + isis_csm_state_change(ISIS_DISABLE, circuit, circuit->area); + } + + return 0; } -void -isis_circuit_init () +void isis_circuit_init() { - /* Initialize Zebra interface data structure */ - if_add_hook (IF_NEW_HOOK, isis_if_new_hook); - if_add_hook (IF_DELETE_HOOK, isis_if_delete_hook); + /* Initialize Zebra interface data structure */ + if_add_hook(IF_NEW_HOOK, isis_if_new_hook); + if_add_hook(IF_DELETE_HOOK, isis_if_delete_hook); - /* Install interface node */ - install_node (&interface_node, isis_interface_config_write); - if_cmd_init (); + /* Install interface node */ + install_node(&interface_node, isis_interface_config_write); + if_cmd_init(); - isis_vty_init (); + isis_vty_init(); } |