diff options
Diffstat (limited to 'ospfd/ospf_ri.c')
| -rw-r--r-- | ospfd/ospf_ri.c | 1639 |
1 files changed, 1639 insertions, 0 deletions
diff --git a/ospfd/ospf_ri.c b/ospfd/ospf_ri.c new file mode 100644 index 0000000000..8fefd2bdb8 --- /dev/null +++ b/ospfd/ospf_ri.c @@ -0,0 +1,1639 @@ +/* + * This is an implementation of RFC4970 Router Information + * with support of RFC5088 PCE Capabilites announcement + * + * Module name: Router Information + * Version: 0.99.22 + * Created: 2012-02-01 by Olivier Dugeon + * Copyright (C) 2012 Orange Labs http://www.orange.com/ + * + * This file is part of GNU Quagga. + * + * 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 Quagga 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 Quagga; see the file COPYING. If not, write to the Free + * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA + * 02111-1307, USA. + */ + +#include <zebra.h> +#include <math.h> + +#include "linklist.h" +#include "prefix.h" +#include "if.h" +#include "table.h" +#include "memory.h" +#include "command.h" +#include "vty.h" +#include "stream.h" +#include "log.h" +#include "thread.h" +#include "hash.h" +#include "sockunion.h" /* for inet_aton() */ + +#include "ospfd/ospfd.h" +#include "ospfd/ospf_interface.h" +#include "ospfd/ospf_ism.h" +#include "ospfd/ospf_asbr.h" +#include "ospfd/ospf_lsa.h" +#include "ospfd/ospf_lsdb.h" +#include "ospfd/ospf_neighbor.h" +#include "ospfd/ospf_nsm.h" +#include "ospfd/ospf_flood.h" +#include "ospfd/ospf_packet.h" +#include "ospfd/ospf_spf.h" +#include "ospfd/ospf_dump.h" +#include "ospfd/ospf_route.h" +#include "ospfd/ospf_ase.h" +#include "ospfd/ospf_zebra.h" +#include "ospfd/ospf_ri.h" +#include "ospfd/ospf_te.h" + +struct ospf_pce_info +{ + + /* Store Router Information PCE TLV and SubTLV in network byte order. */ + struct ri_tlv_pce pce_header; + struct ri_pce_subtlv_address pce_address; + struct ri_pce_subtlv_path_scope pce_scope; + struct list *pce_domain; + struct list *pce_neighbor; + struct ri_pce_subtlv_cap_flag pce_cap_flag; +}; + +/* Following structure are internal use only. */ +struct ospf_router_info +{ + status_t status; + + u_int8_t registered; + u_int8_t scope; + + /* Flags to manage this router information. */ +#define RIFLG_LOOKUP_DONE 0x1 +#define RIFLG_LSA_ENGAGED 0x2 +#define RIFLG_LSA_FORCED_REFRESH 0x4 + u_int32_t flags; + + /* area pointer if flooding is Type 10 Null if flooding is AS scope */ + struct ospf_area *area; + struct in_addr area_id; + + /* Store Router Information Capabilities LSA */ + struct ri_tlv_router_cap router_cap; + + /* Store PCE capability LSA */ + struct ospf_pce_info pce_info; +}; + +/* + * Global variable to manage Opaque-LSA/Router Information on this node. + * Note that all parameter values are stored in network byte order. + */ +static struct ospf_router_info OspfRI; + +/*------------------------------------------------------------------------------* + * Followings are initialize/terminate functions for Router Information handling. + *------------------------------------------------------------------------------*/ + +static void ospf_router_info_ism_change (struct ospf_interface *oi, + int old_status); +static void ospf_router_info_nsm_change (struct ospf_neighbor *nbr, + int old_status); +static void ospf_router_info_config_write_router (struct vty *vty); +static void ospf_router_info_show_info (struct vty *vty, + struct ospf_lsa *lsa); +static int ospf_router_info_lsa_originate (void *arg); +static struct ospf_lsa *ospf_router_info_lsa_refresh (struct ospf_lsa *lsa); +static void ospf_router_info_lsa_schedule (opcode_t opcode); +static void ospf_router_info_register_vty (void); +static void del_pce_info (void *val); + +int +ospf_router_info_init (void) +{ + + memset (&OspfRI, 0, sizeof (struct ospf_router_info)); + OspfRI.status = disabled; + OspfRI.registered = 0; + OspfRI.scope = OSPF_OPAQUE_AS_LSA; + OspfRI.flags = 0; + + /* Initialize pce domain and neighbor list */ + OspfRI.pce_info.pce_domain = list_new (); + OspfRI.pce_info.pce_domain->del = del_pce_info; + OspfRI.pce_info.pce_neighbor = list_new (); + OspfRI.pce_info.pce_neighbor->del = del_pce_info; + + ospf_router_info_register_vty (); + + return 0; +} + +static int +ospf_router_info_register (u_int8_t scope) +{ + int rc = 0; + + if (OspfRI.registered) + return 0; + + zlog_info ("Register Router Information with scope %s(%d)", + scope == OSPF_OPAQUE_AREA_LSA ? "Area" : "AS", scope); + rc = ospf_register_opaque_functab (scope, + OPAQUE_TYPE_ROUTER_INFORMATION_LSA, + NULL, /* new interface */ + NULL, /* del interface */ + ospf_router_info_ism_change, + ospf_router_info_nsm_change, + ospf_router_info_config_write_router, + NULL, /* Config. write interface */ + NULL, /* Config. write debug */ + ospf_router_info_show_info, + ospf_router_info_lsa_originate, + ospf_router_info_lsa_refresh, + NULL, /* new_lsa_hook */ + NULL); /* del_lsa_hook */ + + if (rc != 0) + { + zlog_warn ("ospf_router_info_init: Failed to register functions"); + return rc; + } + + OspfRI.registered = 1; + OspfRI.scope = scope; + return 0; +} + +static int +ospf_router_info_unregister () +{ + + if ((OspfRI.scope != OSPF_OPAQUE_AS_LSA) + && (OspfRI.scope != OSPF_OPAQUE_AREA_LSA)) + { + zlog_warn ("Unable to unregister Router Info functions: Wrong scope!"); + return -1; + } + + ospf_delete_opaque_functab (OspfRI.scope, + OPAQUE_TYPE_ROUTER_INFORMATION_LSA); + + OspfRI.registered = 0; + return 0; + +} + +void +ospf_router_info_term (void) +{ + + list_delete (OspfRI.pce_info.pce_domain); + list_delete (OspfRI.pce_info.pce_neighbor); + + OspfRI.pce_info.pce_domain = NULL; + OspfRI.pce_info.pce_neighbor = NULL; + OspfRI.status = disabled; + + ospf_router_info_unregister (); + + return; +} + +static void +del_pce_info (void *val) +{ + XFREE (MTYPE_OSPF_PCE_PARAMS, val); + return; +} + +/*------------------------------------------------------------------------* + * Followings are control functions for ROUTER INFORMATION parameters management. + *------------------------------------------------------------------------*/ + +static void +set_router_info_capabilities (struct ri_tlv_router_cap *ric, u_int32_t cap) +{ + ric->header.type = htons (RI_TLV_CAPABILITIES); + ric->header.length = htons (RI_TLV_LENGTH); + ric->value = htonl (cap); + return; +} + +static int +set_pce_header (struct ospf_pce_info *pce) +{ + u_int16_t length = 0; + struct listnode *node; + struct ri_pce_subtlv_domain *domain; + struct ri_pce_subtlv_neighbor *neighbor; + + /* PCE Address */ + if (ntohs (pce->pce_address.header.type) != 0) + length += RI_TLV_SIZE (&pce->pce_address.header); + + /* PCE Path Scope */ + if (ntohs (pce->pce_scope.header.type) != 0) + length += RI_TLV_SIZE (&pce->pce_scope.header); + + /* PCE Domain */ + for (ALL_LIST_ELEMENTS_RO (pce->pce_domain, node, domain)) + { + if (ntohs (domain->header.type) != 0) + length += RI_TLV_SIZE (&domain->header); + } + + /* PCE Neighbor */ + for (ALL_LIST_ELEMENTS_RO (pce->pce_neighbor, node, neighbor)) + { + if (ntohs (neighbor->header.type) != 0) + length += RI_TLV_SIZE (&neighbor->header); + } + + /* PCE Capabilities */ + if (ntohs (pce->pce_cap_flag.header.type) != 0) + length += RI_TLV_SIZE (&pce->pce_cap_flag.header); + + if (length != 0) + { + pce->pce_header.header.type = htons (RI_TLV_PCE); + pce->pce_header.header.length = htons (length); + } + else + { + pce->pce_header.header.type = 0; + pce->pce_header.header.length = 0; + } + + return length; +} + +static void +set_pce_address (struct in_addr ipv4, struct ospf_pce_info *pce) +{ + + /* Enable PCE Info */ + pce->pce_header.header.type = htons (RI_TLV_PCE); + /* Set PCE Address */ + pce->pce_address.header.type = htons (RI_PCE_SUBTLV_ADDRESS); + pce->pce_address.header.length = htons (PCE_ADDRESS_LENGTH_IPV4); + pce->pce_address.address.type = htons (PCE_ADDRESS_TYPE_IPV4); + pce->pce_address.address.value = ipv4; + + return; +} + +static void +set_pce_path_scope (u_int32_t scope, struct ospf_pce_info *pce) +{ + + /* Enable PCE Info */ + pce->pce_header.header.type = htons (RI_TLV_PCE); + /* Set PCE Scope */ + pce->pce_scope.header.type = htons (RI_PCE_SUBTLV_PATH_SCOPE); + pce->pce_scope.header.length = htons (RI_TLV_LENGTH); + pce->pce_scope.value = htonl (scope); + + return; +} + +static void +set_pce_domain (u_int16_t type, u_int32_t domain, struct ospf_pce_info *pce) +{ + + struct ri_pce_subtlv_domain *new; + + /* Enable PCE Info */ + pce->pce_header.header.type = htons (RI_TLV_PCE); + + /* Create new domain info */ + new = + XCALLOC (MTYPE_OSPF_PCE_PARAMS, + sizeof (struct ri_pce_subtlv_domain)); + + new->header.type = htons (RI_PCE_SUBTLV_DOMAIN); + new->header.length = htons (PCE_ADDRESS_LENGTH_IPV4); + new->type = htons (type); + new->value = htonl (domain); + + /* Add new domain to the list */ + listnode_add (pce->pce_domain, new); + + return; +} + +static void +unset_pce_domain (u_int16_t type, u_int32_t domain, struct ospf_pce_info *pce) +{ + struct listnode *node; + struct ri_pce_subtlv_domain *old = NULL; + int found = 0; + + /* Search the corresponding node */ + for (ALL_LIST_ELEMENTS_RO (pce->pce_domain, node, old)) + { + if ((old->type == htons (type)) && (old->value == htonl (domain))) + { + found = 1; + break; + } + } + + /* if found remove it */ + if (found) + { + listnode_delete (pce->pce_domain, old); + + /* Avoid misjudgement in the next lookup. */ + if (listcount (pce->pce_domain) == 0) + pce->pce_domain->head = pce->pce_domain->tail = NULL; + + /* Finally free the old domain */ + XFREE (MTYPE_OSPF_PCE_PARAMS, old); + } +} + +static void +set_pce_neighbor (u_int16_t type, u_int32_t domain, struct ospf_pce_info *pce) +{ + + struct ri_pce_subtlv_neighbor *new; + + /* Enable PCE Info */ + pce->pce_header.header.type = htons (RI_TLV_PCE); + + /* Create new neighbor info */ + new = + XCALLOC (MTYPE_OSPF_PCE_PARAMS, + sizeof (struct ri_pce_subtlv_neighbor)); + + new->header.type = htons (RI_PCE_SUBTLV_NEIGHBOR); + new->header.length = htons (PCE_ADDRESS_LENGTH_IPV4); + new->type = htons (type); + new->value = htonl (domain); + + /* Add new domain to the list */ + listnode_add (pce->pce_neighbor, new); + + return; +} + +static void +unset_pce_neighbor (u_int16_t type, u_int32_t domain, + struct ospf_pce_info *pce) +{ + struct listnode *node; + struct ri_pce_subtlv_neighbor *old = NULL; + int found = 0; + + /* Search the corresponding node */ + for (ALL_LIST_ELEMENTS_RO (pce->pce_neighbor, node, old)) + { + if ((old->type == htons (type)) && (old->value == htonl (domain))) + { + found = 1; + break; + } + } + + /* if found remove it */ + if (found) + { + listnode_delete (pce->pce_neighbor, old); + + /* Avoid misjudgement in the next lookup. */ + if (listcount (pce->pce_neighbor) == 0) + pce->pce_neighbor->head = pce->pce_neighbor->tail = NULL; + + /* Finally free the old domain */ + XFREE (MTYPE_OSPF_PCE_PARAMS, old); + } +} + +static void +set_pce_cap_flag (u_int32_t cap, struct ospf_pce_info *pce) +{ + + /* Enable PCE Info */ + pce->pce_header.header.type = htons (RI_TLV_PCE); + /* Set PCE Capabilities flag */ + pce->pce_cap_flag.header.type = htons (RI_PCE_SUBTLV_CAP_FLAG); + pce->pce_cap_flag.header.length = htons (RI_TLV_LENGTH); + pce->pce_cap_flag.value = htonl (cap); + + return; +} + + +static void +unset_param (struct ri_tlv_header *tlv) +{ + + tlv->type = 0; + /* Fill the Value to 0 */ + memset ((tlv + RI_TLV_HDR_SIZE), 0, RI_TLV_BODY_SIZE (tlv)); + tlv->length = 0; + + return; +} + +static void +initialize_params (struct ospf_router_info *ori) +{ + u_int32_t cap; + struct ospf *top; + + /* + * Initialize default Router Information Capabilities. + */ + cap = 0; + cap = cap | RI_TE_SUPPORT; + + set_router_info_capabilities (&ori->router_cap, cap); + + /* If Area address is not null and exist, retrieve corresponding structure */ + top = ospf_lookup (); + zlog_info ("RI-> Initialize Router Info for %s scope within area %s", + OspfRI.scope == OSPF_OPAQUE_AREA_LSA ? "Area" : "AS", + inet_ntoa (OspfRI.area_id)); + + /* Try to get the Area context at this step. Do it latter if not available */ + if ((OspfRI.scope == OSPF_OPAQUE_AREA_LSA) && (OspfRI.area == NULL)) + OspfRI.area = ospf_area_lookup_by_area_id (top, OspfRI.area_id); + + /* + * Initialize default PCE Information values + */ + /* PCE address == OSPF Router ID */ + set_pce_address (top->router_id, &ori->pce_info); + + /* PCE scope */ + cap = 7; /* Set L, R and Rd bits to one = intra & inter-area path computation */ + set_pce_path_scope (cap, &ori->pce_info); + + /* PCE Capabilities */ + cap = + PCE_CAP_BIDIRECTIONAL | PCE_CAP_DIVERSE_PATH | PCE_CAP_OBJECTIVES | + PCE_CAP_ADDITIVE | PCE_CAP_MULTIPLE_REQ; + set_pce_cap_flag (cap, &ori->pce_info); + + /* Finally compute PCE header */ + set_pce_header (&ori->pce_info); + + return; +} + +static int +is_mandated_params_set (struct ospf_router_info ori) +{ + int rc = 0; + + if (ntohs (ori.router_cap.header.type) == 0) + goto out; + + if ((ntohs (ori.pce_info.pce_header.header.type) == RI_TLV_PCE) + && (ntohs (ori.pce_info.pce_address.header.type) == 0) + && (ntohs (ori.pce_info.pce_cap_flag.header.type) == 0)) + goto out; + + rc = 1; + +out: + return rc; +} + +/*------------------------------------------------------------------------* + * Followings are callback functions against generic Opaque-LSAs handling. + *------------------------------------------------------------------------*/ +static void +ospf_router_info_ism_change (struct ospf_interface *oi, int old_state) +{ + /* So far, nothing to do here. */ + return; + +} + +static void +ospf_router_info_nsm_change (struct ospf_neighbor *nbr, int old_state) +{ + + /* So far, nothing to do here. */ + return; +} + +/*------------------------------------------------------------------------* + * Followings are OSPF protocol processing functions for ROUTER INFORMATION + *------------------------------------------------------------------------*/ + +static void +build_tlv_header (struct stream *s, struct ri_tlv_header *tlvh) +{ + + stream_put (s, tlvh, sizeof (struct ri_tlv_header)); + return; +} + +static void +build_tlv (struct stream *s, struct ri_tlv_header *tlvh) +{ + + if (ntohs (tlvh->type) != 0) + { + build_tlv_header (s, tlvh); + stream_put (s, tlvh + 1, RI_TLV_BODY_SIZE (tlvh)); + } + return; +} + +static void +ospf_router_info_lsa_body_set (struct stream *s) +{ + + struct listnode *node; + struct ri_pce_subtlv_domain *domain; + struct ri_pce_subtlv_neighbor *neighbor; + + /* Build Router Information TLV */ + build_tlv (s, &OspfRI.router_cap.header); + + /* Add RI PCE TLV if it is set */ + /* Compute PCE Info header first */ + if ((set_pce_header (&OspfRI.pce_info)) != 0) + { + + /* Build PCE TLV */ + build_tlv_header (s, &OspfRI.pce_info.pce_header.header); + + /* Build PCE address sub-tlv */ + build_tlv (s, &OspfRI.pce_info.pce_address.header); + + /* Build PCE path scope sub-tlv */ + build_tlv (s, &OspfRI.pce_info.pce_scope.header); + + /* Build PCE domain sub-tlv */ + for (ALL_LIST_ELEMENTS_RO (OspfRI.pce_info.pce_domain, node, domain)) + build_tlv (s, &domain->header); + + /* Build PCE neighbor sub-tlv */ + for (ALL_LIST_ELEMENTS_RO + (OspfRI.pce_info.pce_neighbor, node, neighbor)) + build_tlv (s, &neighbor->header); + + /* Build PCE cap flag sub-tlv */ + build_tlv (s, &OspfRI.pce_info.pce_cap_flag.header); + } + + return; +} + +/* Create new opaque-LSA. */ +static struct ospf_lsa * +ospf_router_info_lsa_new () +{ + struct ospf *top; + struct stream *s; + struct lsa_header *lsah; + struct ospf_lsa *new = NULL; + u_char options, lsa_type; + struct in_addr lsa_id; + u_int32_t tmp; + u_int16_t length; + + /* Create a stream for LSA. */ + if ((s = stream_new (OSPF_MAX_LSA_SIZE)) == NULL) + { + zlog_warn ("ospf_router_info_lsa_new: stream_new() ?"); + goto out; + } + lsah = (struct lsa_header *) STREAM_DATA (s); + + options = OSPF_OPTION_E; /* Enable AS external as we flood RI with Opaque Type 11 */ + options |= OSPF_OPTION_O; /* Don't forget this :-) */ + + lsa_type = OspfRI.scope; + /* LSA ID == 0 for Router Information see RFC 4970 */ + tmp = SET_OPAQUE_LSID (OPAQUE_TYPE_ROUTER_INFORMATION_LSA, 0); + lsa_id.s_addr = htonl (tmp); + + if (IS_DEBUG_OSPF (lsa, LSA_GENERATE)) + zlog_debug + ("LSA[Type%d:%s]: Create an Opaque-LSA/ROUTER INFORMATION instance", + lsa_type, inet_ntoa (lsa_id)); + + top = ospf_lookup (); + + /* Set opaque-LSA header fields. */ + lsa_header_set (s, options, lsa_type, lsa_id, top->router_id); + + /* Set opaque-LSA body fields. */ + ospf_router_info_lsa_body_set (s); + + /* Set length. */ + length = stream_get_endp (s); + lsah->length = htons (length); + + /* Now, create an OSPF LSA instance. */ + if ((new = ospf_lsa_new ()) == NULL) + { + zlog_warn ("ospf_router_info_lsa_new: ospf_lsa_new() ?"); + stream_free (s); + goto out; + } + if ((new->data = ospf_lsa_data_new (length)) == NULL) + { + zlog_warn ("ospf_router_info_lsa_new: ospf_lsa_data_new() ?"); + ospf_lsa_unlock (&new); + new = NULL; + stream_free (s); + goto out; + } + + new->area = OspfRI.area; /* Area must be null if the Opaque type is AS scope, fulfill otherwise */ + + SET_FLAG (new->flags, OSPF_LSA_SELF); + memcpy (new->data, lsah, length); + stream_free (s); + +out:return new; +} + +static int +ospf_router_info_lsa_originate1 (void *arg) +{ + struct ospf_lsa *new; + struct ospf *top; + struct ospf_area *area; + int rc = -1; + + /* First check if the area is known if flooding scope is Area */ + if (OspfRI.scope == OSPF_OPAQUE_AREA_LSA) + { + area = (struct ospf_area *) arg; + if (area->area_id.s_addr != OspfRI.area_id.s_addr) + { + zlog_debug + ("RI -> This is not the Router Information Area. Stop processing"); + goto out; + } + OspfRI.area = area; + } + + /* Create new Opaque-LSA/ROUTER INFORMATION instance. */ + if ((new = ospf_router_info_lsa_new ()) == NULL) + { + zlog_warn + ("ospf_router_info_lsa_originate1: ospf_router_info_lsa_new() ?"); + goto out; + } + + /* Get ospf info */ + top = ospf_lookup (); + + /* Install this LSA into LSDB. */ + if (ospf_lsa_install (top, NULL /*oi */ , new) == NULL) + { + zlog_warn ("ospf_router_info_lsa_originate1: ospf_lsa_install() ?"); + ospf_lsa_unlock (&new); + goto out; + } + + /* Now this Router Info parameter entry has associated LSA. */ + SET_FLAG (OspfRI.flags, RIFLG_LSA_ENGAGED); + + /* Update new LSA origination count. */ + top->lsa_originate_count++; + + /* Flood new LSA through AS. */ + if (OspfRI.scope == OSPF_OPAQUE_AS_LSA) + ospf_flood_through_as (top, NULL /*nbr */ , new); + else + ospf_flood_through_area (OspfRI.area, NULL /*nbr */ , new); + + if (IS_DEBUG_OSPF (lsa, LSA_GENERATE)) + { + zlog_debug ("LSA[Type%d:%s]: Originate Opaque-LSA/ROUTER INFORMATION", + new->data->type, inet_ntoa (new->data->id)); + ospf_lsa_header_dump (new->data); + } + + rc = 0; +out:return rc; +} + +static int +ospf_router_info_lsa_originate (void *arg) +{ + + int rc = -1; + + if (OspfRI.status == disabled) + { + zlog_info + ("ospf_router_info_lsa_originate: ROUTER INFORMATION is disabled now."); + rc = 0; /* This is not an error case. */ + goto out; + } + + /* Check if Router Information LSA is already engaged */ + if (OspfRI.flags & RIFLG_LSA_ENGAGED) + { + if (OspfRI.flags & RIFLG_LSA_FORCED_REFRESH) + { + OspfRI.flags &= ~RIFLG_LSA_FORCED_REFRESH; + ospf_router_info_lsa_schedule (REFRESH_THIS_LSA); + } + } + else + { + if (!is_mandated_params_set (OspfRI)) + zlog_warn + ("ospf_router_info_lsa_originate: lacks mandated ROUTER INFORMATION parameters"); + + /* Ok, let's try to originate an LSA */ + if (ospf_router_info_lsa_originate1 (arg) != 0) + goto out; + } + + rc = 0; +out:return rc; +} + +static struct ospf_lsa * +ospf_router_info_lsa_refresh (struct ospf_lsa *lsa) +{ + struct ospf_lsa *new = NULL; + struct ospf *top; + + if (OspfRI.status == disabled) + { + /* + * This LSA must have flushed before due to ROUTER INFORMATION status change. + * It seems a slip among routers in the routing domain. + */ + zlog_info + ("ospf_router_info_lsa_refresh: ROUTER INFORMATION is disabled now."); + lsa->data->ls_age = htons (OSPF_LSA_MAXAGE); /* Flush it anyway. */ + } + + /* Verify that the Router Information ID is supported */ + if (GET_OPAQUE_ID (ntohl (lsa->data->id.s_addr)) != 0) + { + zlog_warn + ("ospf_router_info_lsa_refresh: Unsupported Router Information ID"); + goto out; + } + + /* If the lsa's age reached to MaxAge, start flushing procedure. */ + if (IS_LSA_MAXAGE (lsa)) + { + OspfRI.flags &= ~RIFLG_LSA_ENGAGED; + ospf_opaque_lsa_flush_schedule (lsa); + goto out; + } + + /* Create new Opaque-LSA/ROUTER INFORMATION instance. */ + if ((new = ospf_router_info_lsa_new ()) == NULL) + { + zlog_warn + ("ospf_router_info_lsa_refresh: ospf_router_info_lsa_new() ?"); + goto out; + } + new->data->ls_seqnum = lsa_seqnum_increment (lsa); + + /* Install this LSA into LSDB. */ + /* Given "lsa" will be freed in the next function. */ + top = ospf_lookup (); + if (ospf_lsa_install (top, NULL /*oi */ , new) == NULL) + { + zlog_warn ("ospf_router_info_lsa_refresh: ospf_lsa_install() ?"); + ospf_lsa_unlock (&new); + goto out; + } + + /* Flood updated LSA through AS or AREA depending of OspfRI.scope. */ + if (OspfRI.scope == OSPF_OPAQUE_AS_LSA) + ospf_flood_through_as (top, NULL /*nbr */ , new); + else + ospf_flood_through_area (OspfRI.area, NULL /*nbr */ , new); + + /* Debug logging. */ + if (IS_DEBUG_OSPF (lsa, LSA_GENERATE)) + { + zlog_debug ("LSA[Type%d:%s]: Refresh Opaque-LSA/ROUTER INFORMATION", + new->data->type, inet_ntoa (new->data->id)); + ospf_lsa_header_dump (new->data); + } + +out:return new; +} + +static void +ospf_router_info_lsa_schedule (opcode_t opcode) +{ + struct ospf_lsa lsa; + struct lsa_header lsah; + struct ospf *top; + u_int32_t tmp; + + memset (&lsa, 0, sizeof (lsa)); + memset (&lsah, 0, sizeof (lsah)); + + zlog_debug ("RI-> LSA schedule %s%s%s", + opcode == REORIGINATE_THIS_LSA ? "Re-Originate" : "", + opcode == REFRESH_THIS_LSA ? "Refresh" : "", + opcode == FLUSH_THIS_LSA ? "Flush" : ""); + + top = ospf_lookup (); + if ((OspfRI.scope == OSPF_OPAQUE_AREA_LSA) && (OspfRI.area == NULL)) + { + zlog_warn + ("ospf_router_info_lsa_schedule(): Router Info is Area scope flooding but area is not set"); + OspfRI.area = ospf_area_lookup_by_area_id (top, OspfRI.area_id); + } + lsa.area = OspfRI.area; + lsa.data = &lsah; + lsah.type = OspfRI.scope; + + /* LSA ID is set to 0 for the Router Information. See RFC 4970 */ + tmp = SET_OPAQUE_LSID (OPAQUE_TYPE_ROUTER_INFORMATION_LSA, 0); + lsah.id.s_addr = htonl (tmp); + + switch (opcode) + { + case REORIGINATE_THIS_LSA: + if (OspfRI.scope == OSPF_OPAQUE_AREA_LSA) + ospf_opaque_lsa_reoriginate_schedule ((void *) OspfRI.area, + OSPF_OPAQUE_AREA_LSA, + OPAQUE_TYPE_ROUTER_INFORMATION_LSA); + else + ospf_opaque_lsa_reoriginate_schedule ((void *) top, + OSPF_OPAQUE_AS_LSA, + OPAQUE_TYPE_ROUTER_INFORMATION_LSA); + break; + case REFRESH_THIS_LSA: + ospf_opaque_lsa_refresh_schedule (&lsa); + break; + case FLUSH_THIS_LSA: + OspfRI.flags &= ~RIFLG_LSA_ENGAGED; + ospf_opaque_lsa_flush_schedule (&lsa); + break; + default: + zlog_warn ("ospf_router_info_lsa_schedule: Unknown opcode (%u)", + opcode); + break; + } + + return; +} + +/*------------------------------------------------------------------------* + * Followings are vty session control functions. + *------------------------------------------------------------------------*/ + +static u_int16_t +show_vty_router_cap (struct vty *vty, struct ri_tlv_header *tlvh) +{ + struct ri_tlv_router_cap *top = (struct ri_tlv_router_cap *) tlvh; + + if (vty != NULL) + vty_out (vty, " Router Capabilities: 0x%x%s", ntohl (top->value), + VTY_NEWLINE); + else + zlog_debug (" Router Capabilities: 0x%x", ntohl (top->value)); + + return RI_TLV_SIZE (tlvh); +} + +static u_int16_t +show_vty_pce_subtlv_address (struct vty *vty, struct ri_tlv_header *tlvh) +{ + struct ri_pce_subtlv_address *top = (struct ri_pce_subtlv_address *) tlvh; + + if (ntohs (top->address.type) == PCE_ADDRESS_TYPE_IPV4) + { + if (vty != NULL) + vty_out (vty, " PCE Address: %s%s", inet_ntoa (top->address.value), + VTY_NEWLINE); + else + zlog_debug (" PCE Address: %s", inet_ntoa (top->address.value)); + } + else + { + /* TODO: Add support to IPv6 with inet_ntop() */ + if (vty != NULL) + vty_out (vty, " PCE Address: 0x%x%s", + ntohl (top->address.value.s_addr), VTY_NEWLINE); + else + zlog_debug (" PCE Address: 0x%x", + ntohl (top->address.value.s_addr)); + } + + return RI_TLV_SIZE (tlvh); +} + +static u_int16_t +show_vty_pce_subtlv_path_scope (struct vty *vty, struct ri_tlv_header *tlvh) +{ + struct ri_pce_subtlv_path_scope *top = + (struct ri_pce_subtlv_path_scope *) tlvh; + + if (vty != NULL) + vty_out (vty, " PCE Path Scope: 0x%x%s", ntohl (top->value), + VTY_NEWLINE); + else + zlog_debug (" PCE Path Scope: 0x%x", ntohl (top->value)); + + return RI_TLV_SIZE (tlvh); +} + +static u_int16_t +show_vty_pce_subtlv_domain (struct vty *vty, struct ri_tlv_header *tlvh) +{ + struct ri_pce_subtlv_domain *top = (struct ri_pce_subtlv_domain *) tlvh; + struct in_addr tmp; + + if (ntohs (top->type) == PCE_DOMAIN_TYPE_AREA) + { + tmp.s_addr = top->value; + if (vty != NULL) + vty_out (vty, " PCE domain Area: %s%s", inet_ntoa (tmp), + VTY_NEWLINE); + else + zlog_debug (" PCE domain Area: %s", inet_ntoa (tmp)); + } + else + { + if (vty != NULL) + vty_out (vty, " PCE domain AS: %d%s", ntohl (top->value), + VTY_NEWLINE); + else + zlog_debug (" PCE domain AS: %d", ntohl (top->value)); + } + return RI_TLV_SIZE (tlvh); +} + +static u_int16_t +show_vty_pce_subtlv_neighbor (struct vty *vty, struct ri_tlv_header *tlvh) +{ + + struct ri_pce_subtlv_neighbor *top = (struct ri_pce_subtlv_neighbor *) tlvh; + struct in_addr tmp; + + if (ntohs (top->type) == PCE_DOMAIN_TYPE_AREA) + { + tmp.s_addr = top->value; + if (vty != NULL) + vty_out (vty, " PCE neighbor Area: %s%s", inet_ntoa (tmp), + VTY_NEWLINE); + else + zlog_debug (" PCE neighbor Area: %s", inet_ntoa (tmp)); + } + else + { + if (vty != NULL) + vty_out (vty, " PCE neighbor AS: %d%s", ntohl (top->value), + VTY_NEWLINE); + else + zlog_debug (" PCE neighbor AS: %d", ntohl (top->value)); + } + return RI_TLV_SIZE (tlvh); +} + +static u_int16_t +show_vty_pce_subtlv_cap_flag (struct vty *vty, struct ri_tlv_header *tlvh) +{ + struct ri_pce_subtlv_cap_flag *top = (struct ri_pce_subtlv_cap_flag *) tlvh; + + if (vty != NULL) + vty_out (vty, " PCE Capabilities Flag: 0x%x%s", ntohl (top->value), + VTY_NEWLINE); + else + zlog_debug (" PCE Capabilities Flag: 0x%x", ntohl (top->value)); + + return RI_TLV_SIZE (tlvh); +} + +static u_int16_t +show_vty_unknown_tlv (struct vty *vty, struct ri_tlv_header *tlvh) +{ + if (vty != NULL) + vty_out (vty, " Unknown TLV: [type(0x%x), length(0x%x)]%s", + ntohs (tlvh->type), ntohs (tlvh->length), VTY_NEWLINE); + else + zlog_debug (" Unknown TLV: [type(0x%x), length(0x%x)]", + ntohs (tlvh->type), ntohs (tlvh->length)); + + return RI_TLV_SIZE (tlvh); +} + +static u_int16_t +show_vty_pce_info (struct vty *vty, struct ri_tlv_header *ri, uint32_t total) +{ + struct ri_tlv_header *tlvh; + u_int16_t sum = 0; + + for (tlvh = ri; sum < total; tlvh = RI_TLV_HDR_NEXT (tlvh)) + { + switch (ntohs (tlvh->type)) + { + case RI_PCE_SUBTLV_ADDRESS: + sum += show_vty_pce_subtlv_address (vty, tlvh); + break; + case RI_PCE_SUBTLV_PATH_SCOPE: + sum += show_vty_pce_subtlv_path_scope (vty, tlvh); + break; + case RI_PCE_SUBTLV_DOMAIN: + sum += show_vty_pce_subtlv_domain (vty, tlvh); + break; + case RI_PCE_SUBTLV_NEIGHBOR: + sum += show_vty_pce_subtlv_neighbor (vty, tlvh); + break; + case RI_PCE_SUBTLV_CAP_FLAG: + sum += show_vty_pce_subtlv_cap_flag (vty, tlvh); + break; + default: + sum += show_vty_unknown_tlv (vty, tlvh); + break; + } + } + return sum; +} + +static void +ospf_router_info_show_info (struct vty *vty, struct ospf_lsa *lsa) +{ + struct lsa_header *lsah = (struct lsa_header *) lsa->data; + struct ri_tlv_header *tlvh; + u_int16_t length = 0, sum = 0; + + /* Initialize TLV browsing */ + length = ntohs (lsah->length) - OSPF_LSA_HEADER_SIZE; + + for (tlvh = RI_TLV_HDR_TOP (lsah); sum < length; + tlvh = RI_TLV_HDR_NEXT (tlvh)) + { + switch (ntohs (tlvh->type)) + { + case RI_TLV_CAPABILITIES: + sum += show_vty_router_cap (vty, tlvh); + break; + case RI_TLV_PCE: + tlvh++; + sum += RI_TLV_HDR_SIZE; + sum += show_vty_pce_info (vty, tlvh, length - sum); + break; + default: + sum += show_vty_unknown_tlv (vty, tlvh); + break; + } + } + + return; +} + +static void +ospf_router_info_config_write_router (struct vty *vty) +{ + struct ospf_pce_info *pce = &OspfRI.pce_info; + struct listnode *node; + struct ri_pce_subtlv_domain *domain; + struct ri_pce_subtlv_neighbor *neighbor; + struct in_addr tmp; + + if (OspfRI.status == enabled) + { + if (OspfRI.scope == OSPF_OPAQUE_AS_LSA) + vty_out (vty, " router-info as%s", VTY_NEWLINE); + else + vty_out (vty, " router-info area %s%s", inet_ntoa (OspfRI.area_id), + VTY_NEWLINE); + + if (pce->pce_address.header.type != 0) + vty_out (vty, " pce address %s%s", + inet_ntoa (pce->pce_address.address.value), VTY_NEWLINE); + + if (pce->pce_cap_flag.header.type != 0) + vty_out (vty, " pce flag 0x%x%s", ntohl (pce->pce_cap_flag.value), + VTY_NEWLINE); + + for (ALL_LIST_ELEMENTS_RO (pce->pce_domain, node, domain)) + { + if (domain->header.type != 0) + { + if (domain->type == PCE_DOMAIN_TYPE_AREA) + { + tmp.s_addr = domain->value; + vty_out (vty, " pce domain area %s%s", inet_ntoa (tmp), + VTY_NEWLINE); + } + else + { + vty_out (vty, " pce domain as %d%s", ntohl (domain->value), + VTY_NEWLINE); + } + } + } + + for (ALL_LIST_ELEMENTS_RO (pce->pce_neighbor, node, neighbor)) + { + if (neighbor->header.type != 0) + { + if (neighbor->type == PCE_DOMAIN_TYPE_AREA) + { + tmp.s_addr = neighbor->value; + vty_out (vty, " pce neighbor area %s%s", inet_ntoa (tmp), + VTY_NEWLINE); + } + else + { + vty_out (vty, " pce neighbor as %d%s", + ntohl (neighbor->value), VTY_NEWLINE); + } + } + } + + if (pce->pce_scope.header.type != 0) + vty_out (vty, " pce scope 0x%x%s", + ntohl (OspfRI.pce_info.pce_scope.value), VTY_NEWLINE); + } + return; +} + +/*------------------------------------------------------------------------* + * Followings are vty command functions. + *------------------------------------------------------------------------*/ + +DEFUN (router_info, + router_info_area_cmd, + "router-info area A.B.C.D", + OSPF_RI_STR + "Enable the Router Information functionality with Area flooding scope\n" + "OSPF area ID in IP format") +{ + + u_int8_t scope; + + if (OspfRI.status == enabled) + return CMD_SUCCESS; + + /* Check and get Area value if present */ + if (argc == 1) + { + if (!inet_aton (argv[0], &OspfRI.area_id)) + { + vty_out (vty, "Please specify Router Info Area by A.B.C.D%s", + VTY_NEWLINE); + return CMD_WARNING; + } + scope = OSPF_OPAQUE_AREA_LSA; + } + else + { + OspfRI.area_id.s_addr = 0; + scope = OSPF_OPAQUE_AS_LSA; + } + + /* First start to register Router Information callbacks */ + if ((ospf_router_info_register (scope)) != 0) + { + zlog_warn ("Enable to register Router Information callbacks. Abort!"); + return CMD_WARNING; + } + + OspfRI.status = enabled; + + if (IS_DEBUG_OSPF_EVENT) + zlog_debug ("RI-> Router Information (%s flooding): OFF -> ON", + OspfRI.scope == OSPF_OPAQUE_AREA_LSA ? "Area" : "AS"); + + /* + * Following code is intended to handle two cases; + * + * 1) Router Information was disabled at startup time, but now become enabled. + * 2) Router Information was once enabled then disabled, and now enabled again. + */ + + initialize_params (&OspfRI); + + /* Refresh RI LSA if already engaged */ + if (OspfRI.flags & RIFLG_LSA_ENGAGED) + { + zlog_debug ("RI-> Initial origination following configuration"); + ospf_router_info_lsa_schedule (REORIGINATE_THIS_LSA); + } + return CMD_SUCCESS; + +} + +ALIAS (router_info, + router_info_as_cmd, + "router-info as", + OSPF_RI_STR + "Enable the Router Information functionality with AS flooding scope\n") + +DEFUN (no_router_info, + no_router_info_cmd, + "no router-info", + NO_STR + "Disable the Router Information functionality\n") +{ + + if (OspfRI.status == disabled) + return CMD_SUCCESS; + + if (IS_DEBUG_OSPF_EVENT) + zlog_debug ("RI-> Router Information: ON -> OFF"); + + if (OspfRI.flags & RIFLG_LSA_ENGAGED) + ospf_router_info_lsa_schedule (FLUSH_THIS_LSA); + + /* Unregister the callbacks */ + ospf_router_info_unregister (); + + OspfRI.status = disabled; + + return CMD_SUCCESS; +} + +DEFUN (pce_address, + pce_address_cmd, + "pce address A.B.C.D", + PCE_STR + "Stable IP address of the PCE\n" + "PCE address in IPv4 address format\n") +{ + struct in_addr value; + struct ospf_pce_info *pi = &OspfRI.pce_info; + + if (!inet_aton (argv[0], &value)) + { + vty_out (vty, "Please specify PCE Address by A.B.C.D%s", VTY_NEWLINE); + return CMD_WARNING; + } + + if (ntohs (pi->pce_address.header.type) == 0 + || ntohl (pi->pce_address.address.value.s_addr) != ntohl (value.s_addr)) + { + + set_pce_address (value, pi); + + /* Refresh RI LSA if already engaged */ + if ((OspfRI.status == enabled) && (OspfRI.flags & RIFLG_LSA_ENGAGED)) + ospf_router_info_lsa_schedule (REFRESH_THIS_LSA); + } + + return CMD_SUCCESS; +} + +DEFUN (no_pce_address, + no_pce_address_cmd, + "no pce address", + NO_STR + PCE_STR + "Disable PCE address\n") +{ + + unset_param (&OspfRI.pce_info.pce_address.header); + + /* Refresh RI LSA if already engaged */ + if ((OspfRI.status == enabled) && (OspfRI.flags & RIFLG_LSA_ENGAGED)) + ospf_router_info_lsa_schedule (REFRESH_THIS_LSA); + + return CMD_SUCCESS; +} + +DEFUN (pce_path_scope, + pce_path_scope_cmd, + "pce scope BITPATTERN", + PCE_STR + "Path scope visibilities of the PCE for path computation\n" + "32-bit Hexadecimal value\n") +{ + uint32_t scope; + struct ospf_pce_info *pi = &OspfRI.pce_info; + + if (sscanf (argv[0], "0x%x", &scope) != 1) + { + vty_out (vty, "pce_path_scope: fscanf: %s%s", safe_strerror (errno), + VTY_NEWLINE); + return CMD_WARNING; + } + + if (ntohl (pi->pce_scope.header.type) == 0 || scope != pi->pce_scope.value) + { + set_pce_path_scope (scope, pi); + + /* Refresh RI LSA if already engaged */ + if ((OspfRI.status == enabled) && (OspfRI.flags & RIFLG_LSA_ENGAGED)) + ospf_router_info_lsa_schedule (REFRESH_THIS_LSA); + } + + return CMD_SUCCESS; +} + +DEFUN (no_pce_path_scope, + no_pce_path_scope_cmd, + "no pce scope", + NO_STR + PCE_STR + "Disable PCE path scope\n") +{ + + unset_param (&OspfRI.pce_info.pce_address.header); + + /* Refresh RI LSA if already engaged */ + if ((OspfRI.status == enabled) && (OspfRI.flags & RIFLG_LSA_ENGAGED)) + ospf_router_info_lsa_schedule (REFRESH_THIS_LSA); + + return CMD_SUCCESS; +} + +DEFUN (pce_domain, + pce_domain_cmd, + "pce domain as <0-65535>", + PCE_STR + "Configure PCE domain AS number\n" + "AS number where the PCE as visibilities for path computation\n" + "AS number in decimal <0-65535>\n") +{ + + uint32_t as; + struct ospf_pce_info *pce = &OspfRI.pce_info; + struct listnode *node; + struct ri_pce_subtlv_domain *domain; + + if (sscanf (argv[0], "%d", &as) != 1) + { + vty_out (vty, "pce_domain: fscanf: %s%s", safe_strerror (errno), + VTY_NEWLINE); + return CMD_WARNING; + } + + /* Check if the domain is not already in the domain list */ + for (ALL_LIST_ELEMENTS_RO (pce->pce_domain, node, domain)) + { + if (ntohl (domain->header.type) == 0 && as == domain->value) + goto out; + } + + /* Create new domain if not found */ + set_pce_domain (PCE_DOMAIN_TYPE_AS, as, pce); + + /* Refresh RI LSA if already engaged */ + if ((OspfRI.status == enabled) && (OspfRI.flags & RIFLG_LSA_ENGAGED)) + ospf_router_info_lsa_schedule (REFRESH_THIS_LSA); + +out:return CMD_SUCCESS; +} + +DEFUN (no_pce_domain, + no_pce_domain_cmd, + "no pce domain as <0-65535>", + NO_STR + PCE_STR + "Disable PCE domain AS number\n" + "AS number where the PCE as visibilities for path computation\n" + "AS number in decimal <0-65535>\n") +{ + + uint32_t as; + struct ospf_pce_info *pce = &OspfRI.pce_info; + + if (sscanf (argv[0], "%d", &as) != 1) + { + vty_out (vty, "no_pce_domain: fscanf: %s%s", safe_strerror (errno), + VTY_NEWLINE); + return CMD_WARNING; + } + + /* Unset corresponding PCE domain */ + unset_pce_domain (PCE_DOMAIN_TYPE_AS, as, pce); + + /* Refresh RI LSA if already engaged */ + if ((OspfRI.status == enabled) && (OspfRI.flags & RIFLG_LSA_ENGAGED)) + ospf_router_info_lsa_schedule (REFRESH_THIS_LSA); + + return CMD_SUCCESS; +} + +DEFUN (pce_neigbhor, + pce_neighbor_cmd, + "pce neighbor as <0-65535>", + PCE_STR + "Configure PCE neighbor domain AS number\n" + "AS number of PCE neighbors\n" + "AS number in decimal <0-65535>\n") +{ + + uint32_t as; + struct ospf_pce_info *pce = &OspfRI.pce_info; + struct listnode *node; + struct ri_pce_subtlv_neighbor *neighbor; + + if (sscanf (argv[0], "%d", &as) != 1) + { + vty_out (vty, "pce_neighbor: fscanf: %s%s", safe_strerror (errno), + VTY_NEWLINE); + return CMD_WARNING; + } + + /* Check if the domain is not already in the domain list */ + for (ALL_LIST_ELEMENTS_RO (pce->pce_neighbor, node, neighbor)) + { + if (ntohl (neighbor->header.type) == 0 && as == neighbor->value) + goto out; + } + + /* Create new domain if not found */ + set_pce_neighbor (PCE_DOMAIN_TYPE_AS, as, pce); + + /* Refresh RI LSA if already engaged */ + if ((OspfRI.status == enabled) && (OspfRI.flags & RIFLG_LSA_ENGAGED)) + ospf_router_info_lsa_schedule (REFRESH_THIS_LSA); + +out:return CMD_SUCCESS; +} + +DEFUN (no_pce_neighbor, + no_pce_neighbor_cmd, + "no pce neighbor as <0-65535>", + NO_STR + PCE_STR + "Disable PCE neighbor AS number\n" + "AS number of PCE neighbor\n" + "AS number in decimal <0-65535>\n") +{ + + uint32_t as; + struct ospf_pce_info *pce = &OspfRI.pce_info; + + if (sscanf (argv[0], "%d", &as) != 1) + { + vty_out (vty, "no_pce_neighbor: fscanf: %s%s", safe_strerror (errno), + VTY_NEWLINE); + return CMD_WARNING; + } + + /* Unset corresponding PCE domain */ + unset_pce_neighbor (PCE_DOMAIN_TYPE_AS, as, pce); + + /* Refresh RI LSA if already engaged */ + if ((OspfRI.status == enabled) && (OspfRI.flags & RIFLG_LSA_ENGAGED)) + ospf_router_info_lsa_schedule (REFRESH_THIS_LSA); + + return CMD_SUCCESS; +} + +DEFUN (pce_cap_flag, + pce_cap_flag_cmd, + "pce flag BITPATTERN", + PCE_STR + "Capabilities of the PCE for path computation\n" + "32-bit Hexadecimal value\n") +{ + + uint32_t cap; + struct ospf_pce_info *pce = &OspfRI.pce_info; + + if (sscanf (argv[0], "0x%x", &cap) != 1) + { + vty_out (vty, "pce_cap_flag: fscanf: %s%s", safe_strerror (errno), + VTY_NEWLINE); + return CMD_WARNING; + } + + if (ntohl (pce->pce_cap_flag.header.type) == 0 + || cap != pce->pce_cap_flag.value) + { + set_pce_cap_flag (cap, pce); + + /* Refresh RI LSA if already engaged */ + if ((OspfRI.status == enabled) && (OspfRI.flags & RIFLG_LSA_ENGAGED)) + ospf_router_info_lsa_schedule (REFRESH_THIS_LSA); + } + + return CMD_SUCCESS; +} + +DEFUN (no_pce_cap_flag, + no_pce_cap_flag_cmd, + "no pce flag", + NO_STR + PCE_STR + "Disable PCE capabilities\n") +{ + + unset_param (&OspfRI.pce_info.pce_cap_flag.header); + + /* Refresh RI LSA if already engaged */ + if ((OspfRI.status == enabled) && (OspfRI.flags & RIFLG_LSA_ENGAGED)) + ospf_router_info_lsa_schedule (REFRESH_THIS_LSA); + + return CMD_SUCCESS; +} + +DEFUN (show_ip_ospf_router_info, + show_ip_ospf_router_info_cmd, + "show ip ospf router-info", + SHOW_STR + IP_STR + OSPF_STR + "Router Information\n") +{ + + if (OspfRI.status == enabled) + { + vty_out (vty, "--- Router Information parameters ---%s", VTY_NEWLINE); + show_vty_router_cap (vty, &OspfRI.router_cap.header); + } + else + { + if (vty != NULL) + vty_out (vty, " Router Information is disabled on this router%s", VTY_NEWLINE); + } + return CMD_SUCCESS; +} + +DEFUN (show_ip_opsf_router_info_pce, + show_ip_ospf_router_info_pce_cmd, + "show ip ospf router-info pce", + SHOW_STR + IP_STR + OSPF_STR + "Router Information\n" + "PCE information\n") +{ + + struct ospf_pce_info *pce = &OspfRI.pce_info; + struct listnode *node; + struct ri_pce_subtlv_domain *domain; + struct ri_pce_subtlv_neighbor *neighbor; + + if (OspfRI.status == enabled) + { + vty_out (vty, "--- PCE parameters ---%s", VTY_NEWLINE); + + if (pce->pce_address.header.type != 0) + show_vty_pce_subtlv_address (vty, &pce->pce_address.header); + + if (pce->pce_scope.header.type != 0) + show_vty_pce_subtlv_path_scope (vty, &pce->pce_scope.header); + + for (ALL_LIST_ELEMENTS_RO (pce->pce_domain, node, domain)) + { + if (domain->header.type != 0) + show_vty_pce_subtlv_domain (vty, &domain->header); + } + + for (ALL_LIST_ELEMENTS_RO (pce->pce_neighbor, node, neighbor)) + { + if (neighbor->header.type != 0) + show_vty_pce_subtlv_neighbor (vty, &neighbor->header); + } + + if (pce->pce_cap_flag.header.type != 0) + show_vty_pce_subtlv_cap_flag (vty, &pce->pce_cap_flag.header); + + } + else + { + vty_out (vty, " Router Information is disabled on this router%s", + VTY_NEWLINE); + } + + return CMD_SUCCESS; +} + +/* Install new CLI commands */ +static void +ospf_router_info_register_vty (void) +{ + install_element (VIEW_NODE, &show_ip_ospf_router_info_cmd); + install_element (VIEW_NODE, &show_ip_ospf_router_info_pce_cmd); + install_element (ENABLE_NODE, &show_ip_ospf_router_info_cmd); + install_element (ENABLE_NODE, &show_ip_ospf_router_info_pce_cmd); + + install_element (OSPF_NODE, &router_info_area_cmd); + install_element (OSPF_NODE, &router_info_as_cmd); + install_element (OSPF_NODE, &no_router_info_cmd); + install_element (OSPF_NODE, &pce_address_cmd); + install_element (OSPF_NODE, &pce_path_scope_cmd); + install_element (OSPF_NODE, &pce_domain_cmd); + install_element (OSPF_NODE, &no_pce_domain_cmd); + install_element (OSPF_NODE, &pce_neighbor_cmd); + install_element (OSPF_NODE, &no_pce_neighbor_cmd); + install_element (OSPF_NODE, &pce_cap_flag_cmd); + + return; +} |