/* `match ipv6 address prefix-list PREFIX_LIST' */
static route_map_result_t
route_match_ipv6_address_prefix_list(void *rule, struct prefix *prefix,
route_map_object_t type, void *object)
{
struct prefix_list *plist;
if(type == RMAP_ISIS)
{
plist = prefix_list_lookup(AFI_IP6, (s8 *) rule);
if (plist == NULL)
{
return RMAP_NOMATCH;
}
if( FILTER_DENY == prefix_list_apply(plist, prefix) )
{
return RMAP_NOMATCH;
}
else
{
return RMAP_MATCH;
}
}
return RMAP_NOMATCH;
}
int
ospf_abr_plist_out_check (struct ospf_area *area, struct ospf_route *or,
struct prefix *p)
{
if (PREFIX_NAME_OUT (area))
{
if (PREFIX_LIST_OUT (area) == NULL)
PREFIX_LIST_OUT (area) = prefix_list_lookup (AFI_IP,
PREFIX_NAME_OUT (area));
if (PREFIX_LIST_OUT (area))
if (prefix_list_apply (PREFIX_LIST_OUT (area), p) != PREFIX_PERMIT)
return 0;
}
return 1;
}
static route_map_result_t
route_match_ip_address_prefix_list(void *rule, const struct prefix *prefix,
route_map_object_t type, void *object)
{
struct prefix_list *plist;
if (type != RMAP_ISIS)
return RMAP_NOMATCH;
plist = prefix_list_lookup(AFI_IP, (char *)rule);
if (prefix_list_apply(plist, prefix) != PREFIX_DENY)
return RMAP_MATCH;
return RMAP_NOMATCH;
}
route_map_result_t
route_match_ip_address_prefix_list (void *rule, struct prefix *prefix,
route_map_object_t type, void *object)
{
struct prefix_list *plist;
if (type == RMAP_RIP)
{
plist = prefix_list_lookup (AFI_IP, (char *) rule);
if (plist == NULL)
return RMAP_NOMATCH;
return (prefix_list_apply (plist, prefix) == PREFIX_DENY ?
RMAP_NOMATCH : RMAP_MATCH);
}
return RMAP_NOMATCH;
}
static route_map_result_t
route_match_ip_next_hop_prefix_list (void *rule, struct prefix *prefix,
route_map_object_t type, void *object)
{
struct prefix_list *plist;
struct external_info *ei = object;
struct prefix_ipv4 p;
if (type == RMAP_OSPF)
{
p.family = AF_INET;
p.prefix = ei->nexthop;
p.prefixlen = IPV4_MAX_BITLEN;
plist = prefix_list_lookup (AFI_IP, (char *) rule);
if (plist == NULL)
return RMAP_NOMATCH;
return (prefix_list_apply (plist, &p) == PREFIX_DENY ?
RMAP_NOMATCH : RMAP_MATCH);
}
return RMAP_NOMATCH;
}
static route_map_result_t
route_match_ip_next_hop_prefix_list (void *rule, struct prefix *prefix,
route_map_object_t type, void *object)
{
struct prefix_list *plist;
struct rip_info *rinfo;
struct prefix_ipv4 p;
if (type == RMAP_RIP)
{
rinfo = object;
p.family = AF_INET;
p.prefix = (rinfo->nexthop.s_addr) ? rinfo->nexthop : rinfo->from;
p.prefixlen = IPV4_MAX_BITLEN;
plist = prefix_list_lookup (AFI_IP, (char *) rule);
if (plist == NULL)
return RMAP_NOMATCH;
return (prefix_list_apply (plist, &p) == PREFIX_DENY ?
RMAP_NOMATCH : RMAP_MATCH);
}
return RMAP_NOMATCH;
}
void
ospf6_interface_connected_route_update (struct interface *ifp)
{
struct ospf6_interface *oi;
struct ospf6_route *route;
struct connected *c;
struct listnode *node, *nnode;
oi = (struct ospf6_interface *) ifp->info;
if (oi == NULL)
return;
/* reset linklocal pointer */
oi->linklocal_addr = ospf6_interface_get_linklocal_address (ifp);
/* if area is null, do not make connected-route list */
if (oi->area == NULL)
return;
/* update "route to advertise" interface route table */
ospf6_route_remove_all (oi->route_connected);
for (ALL_LIST_ELEMENTS (oi->interface->connected, node, nnode, c))
{
if (c->address->family != AF_INET6)
continue;
CONTINUE_IF_ADDRESS_LINKLOCAL (IS_OSPF6_DEBUG_INTERFACE, c->address);
CONTINUE_IF_ADDRESS_UNSPECIFIED (IS_OSPF6_DEBUG_INTERFACE, c->address);
CONTINUE_IF_ADDRESS_LOOPBACK (IS_OSPF6_DEBUG_INTERFACE, c->address);
CONTINUE_IF_ADDRESS_V4COMPAT (IS_OSPF6_DEBUG_INTERFACE, c->address);
CONTINUE_IF_ADDRESS_V4MAPPED (IS_OSPF6_DEBUG_INTERFACE, c->address);
/* apply filter */
if (oi->plist_name)
{
struct prefix_list *plist;
enum prefix_list_type ret;
char buf[128];
prefix2str (c->address, buf, sizeof (buf));
plist = prefix_list_lookup (AFI_IP6, oi->plist_name);
ret = prefix_list_apply (plist, (void *) c->address);
if (ret == PREFIX_DENY)
{
if (IS_OSPF6_DEBUG_INTERFACE)
zlog_debug ("%s on %s filtered by prefix-list %s ",
buf, oi->interface->name, oi->plist_name);
continue;
}
}
route = ospf6_route_create ();
memcpy (&route->prefix, c->address, sizeof (struct prefix));
apply_mask (&route->prefix);
route->type = OSPF6_DEST_TYPE_NETWORK;
route->path.area_id = oi->area->area_id;
route->path.type = OSPF6_PATH_TYPE_INTRA;
route->path.cost = oi->cost;
route->nexthop[0].ifindex = oi->interface->ifindex;
inet_pton (AF_INET6, "::1", &route->nexthop[0].address);
ospf6_route_add (route, oi->route_connected);
}
/* create new Link-LSA */
OSPF6_LINK_LSA_SCHEDULE (oi);
OSPF6_INTRA_PREFIX_LSA_SCHEDULE_TRANSIT (oi);
OSPF6_INTRA_PREFIX_LSA_SCHEDULE_STUB (oi->area);
}
int
babel_filter(int output, const unsigned char *prefix, unsigned short plen,
unsigned int ifindex)
{
struct interface *ifp = if_lookup_by_index(ifindex);
babel_interface_nfo *babel_ifp = ifp ? babel_get_if_nfo(ifp) : NULL;
struct prefix p;
struct distribute *dist;
struct access_list *alist;
struct prefix_list *plist;
int filter = output ? BABEL_FILTER_OUT : BABEL_FILTER_IN;
int distribute = output ? DISTRIBUTE_OUT : DISTRIBUTE_IN;
p.family = v4mapped(prefix) ? AF_INET : AF_INET6;
p.prefixlen = v4mapped(prefix) ? plen - 96 : plen;
if (p.family == AF_INET)
uchar_to_inaddr(&p.u.prefix4, prefix);
#ifdef HAVE_IPV6
else
uchar_to_in6addr(&p.u.prefix6, prefix);
#endif
if (babel_ifp != NULL && babel_ifp->list[filter]) {
if (access_list_apply (babel_ifp->list[filter], &p)
== FILTER_DENY) {
debugf(BABEL_DEBUG_FILTER,
"%s/%d filtered by distribute in",
#ifdef HAVE_IPV6
p.family == AF_INET ?
inet_ntoa(p.u.prefix4) :
inet6_ntoa (p.u.prefix6),
#else
inet_ntoa(p.u.prefix4),
#endif
p.prefixlen);
return INFINITY;
}
}
if (babel_ifp != NULL && babel_ifp->prefix[filter]) {
if (prefix_list_apply (babel_ifp->prefix[filter], &p)
== PREFIX_DENY) {
debugf(BABEL_DEBUG_FILTER, "%s/%d filtered by distribute in",
#ifdef HAVE_IPV6
p.family == AF_INET ?
inet_ntoa(p.u.prefix4) :
inet6_ntoa (p.u.prefix6),
#else
inet_ntoa(p.u.prefix4),
#endif
p.prefixlen);
return INFINITY;
}
}
/* All interface filter check. */
dist = distribute_lookup (NULL);
if (dist) {
if (dist->list[distribute]) {
alist = access_list_lookup (AFI_IP6, dist->list[distribute]);
if (alist) {
if (access_list_apply (alist, &p) == FILTER_DENY) {
debugf(BABEL_DEBUG_FILTER, "%s/%d filtered by distribute in",
#ifdef HAVE_IPV6
p.family == AF_INET ?
inet_ntoa(p.u.prefix4) :
inet6_ntoa (p.u.prefix6),
#else
inet_ntoa(p.u.prefix4),
#endif
p.prefixlen);
return INFINITY;
}
}
}
if (dist->prefix[distribute]) {
plist = prefix_list_lookup (AFI_IP6, dist->prefix[distribute]);
if (plist) {
if (prefix_list_apply (plist, &p) == PREFIX_DENY) {
debugf(BABEL_DEBUG_FILTER, "%s/%d filtered by distribute in",
#ifdef HAVE_IPV6
p.family == AF_INET ?
inet_ntoa(p.u.prefix4) :
inet6_ntoa (p.u.prefix6),
#else
inet_ntoa(p.u.prefix4),
#endif
p.prefixlen);
return INFINITY;
}
}
}
}
return 0;
}
/* RFC 2328 16.2. Calculating the inter-area routes */
void
ospf6_abr_examin_summary (struct ospf6_lsa *lsa, struct ospf6_area *oa)
{
struct prefix prefix, abr_prefix;
struct ospf6_route_table *table = NULL;
struct ospf6_route *range, *route, *old = NULL;
struct ospf6_route *abr_entry;
u_char type = 0;
char options[3] = {0, 0, 0};
u_int8_t prefix_options = 0;
u_int32_t cost = 0;
u_char router_bits = 0;
int i;
char buf[64];
int is_debug = 0;
struct ospf6_inter_prefix_lsa *prefix_lsa = NULL;
struct ospf6_inter_router_lsa *router_lsa = NULL;
memset (&prefix, 0, sizeof (prefix));
if (lsa->header->type == htons (OSPF6_LSTYPE_INTER_PREFIX))
{
if (IS_OSPF6_DEBUG_EXAMIN (INTER_PREFIX))
{
is_debug++;
zlog_debug ("Examin %s in area %s", lsa->name, oa->name);
}
prefix_lsa = (struct ospf6_inter_prefix_lsa *)
OSPF6_LSA_HEADER_END (lsa->header);
prefix.family = AF_INET6;
prefix.prefixlen = prefix_lsa->prefix.prefix_length;
ospf6_prefix_in6_addr (&prefix.u.prefix6, &prefix_lsa->prefix);
if (is_debug)
prefix2str (&prefix, buf, sizeof (buf));
table = oa->ospf6->route_table;
type = OSPF6_DEST_TYPE_NETWORK;
prefix_options = prefix_lsa->prefix.prefix_options;
cost = OSPF6_ABR_SUMMARY_METRIC (prefix_lsa);
}
else if (lsa->header->type == htons (OSPF6_LSTYPE_INTER_ROUTER))
{
if (IS_OSPF6_DEBUG_EXAMIN (INTER_ROUTER))
{
is_debug++;
zlog_debug ("Examin %s in area %s", lsa->name, oa->name);
}
router_lsa = (struct ospf6_inter_router_lsa *)
OSPF6_LSA_HEADER_END (lsa->header);
ospf6_linkstate_prefix (router_lsa->router_id, htonl (0), &prefix);
if (is_debug)
inet_ntop (AF_INET, &router_lsa->router_id, buf, sizeof (buf));
table = oa->ospf6->brouter_table;
type = OSPF6_DEST_TYPE_ROUTER;
options[0] = router_lsa->options[0];
options[1] = router_lsa->options[1];
options[2] = router_lsa->options[2];
cost = OSPF6_ABR_SUMMARY_METRIC (router_lsa);
SET_FLAG (router_bits, OSPF6_ROUTER_BIT_E);
}
else
assert (0);
/* Find existing route */
route = ospf6_route_lookup (&prefix, table);
if (route)
ospf6_route_lock (route);
while (route && ospf6_route_is_prefix (&prefix, route))
{
if (route->path.area_id == oa->area_id &&
route->path.origin.type == lsa->header->type &&
route->path.origin.id == lsa->header->id &&
route->path.origin.adv_router == lsa->header->adv_router &&
! CHECK_FLAG (route->flag, OSPF6_ROUTE_WAS_REMOVED))
old = route;
route = ospf6_route_next (route);
}
/* (1) if cost == LSInfinity or if the LSA is MaxAge */
if (cost == OSPF_LS_INFINITY)
{
if (is_debug)
zlog_debug ("cost is LS_INFINITY, ignore");
if (old)
ospf6_route_remove (old, table);
return;
}
if (OSPF6_LSA_IS_MAXAGE (lsa))
{
if (is_debug)
zlog_debug ("LSA is MaxAge, ignore");
if (old)
ospf6_route_remove (old, table);
return;
}
/* (2) if the LSA is self-originated, ignore */
if (lsa->header->adv_router == oa->ospf6->router_id)
{
if (is_debug)
zlog_debug ("LSA is self-originated, ignore");
if (old)
ospf6_route_remove (old, table);
return;
}
/* (3) if the prefix is equal to an active configured address range */
/* or if the NU bit is set in the prefix */
if (lsa->header->type == htons (OSPF6_LSTYPE_INTER_PREFIX))
{
range = ospf6_route_lookup (&prefix, oa->range_table);
if (range)
{
if (is_debug)
zlog_debug ("Prefix is equal to address range, ignore");
if (old)
ospf6_route_remove (old, table);
return;
}
if (CHECK_FLAG (prefix_lsa->prefix.prefix_options,
OSPF6_PREFIX_OPTION_NU) ||
CHECK_FLAG (prefix_lsa->prefix.prefix_options,
OSPF6_PREFIX_OPTION_LA))
{
if (is_debug)
zlog_debug ("Prefix has NU/LA bit set, ignore");
if (old)
ospf6_route_remove (old, table);
return;
}
}
if (lsa->header->type == htons (OSPF6_LSTYPE_INTER_ROUTER))
{
/* To pass test suites */
if (! OSPF6_OPT_ISSET (router_lsa->options, OSPF6_OPT_R) ||
! OSPF6_OPT_ISSET (router_lsa->options, OSPF6_OPT_V6))
{
if (is_debug)
zlog_debug ("Prefix has NU/LA bit set, ignore");
if (old)
ospf6_route_remove (old, table);
return;
}
}
/* (4) if the routing table entry for the ABR does not exist */
ospf6_linkstate_prefix (lsa->header->adv_router, htonl (0), &abr_prefix);
abr_entry = ospf6_route_lookup (&abr_prefix, oa->ospf6->brouter_table);
if (abr_entry == NULL || abr_entry->path.area_id != oa->area_id ||
CHECK_FLAG (abr_entry->flag, OSPF6_ROUTE_REMOVE) ||
! CHECK_FLAG (abr_entry->path.router_bits, OSPF6_ROUTER_BIT_B))
{
if (is_debug)
zlog_debug ("ABR router entry does not exist, ignore");
if (old)
ospf6_route_remove (old, table);
return;
}
/* Check import list */
if (IMPORT_NAME (oa))
{
if (IMPORT_LIST (oa) == NULL)
IMPORT_LIST (oa) = access_list_lookup (AFI_IP6, IMPORT_NAME (oa));
if (IMPORT_LIST (oa))
if (access_list_apply (IMPORT_LIST (oa), &prefix) == FILTER_DENY)
{
if (is_debug)
zlog_debug ("Prefix was denied by import-list");
if (old)
ospf6_route_remove (old, table);
return;
}
}
/* Check input prefix-list */
if (PREFIX_NAME_IN (oa))
{
if (PREFIX_LIST_IN (oa) == NULL)
PREFIX_LIST_IN (oa) = prefix_list_lookup (AFI_IP6, PREFIX_NAME_IN (oa));
if (PREFIX_LIST_IN (oa))
if (prefix_list_apply (PREFIX_LIST_IN (oa), &prefix) != PREFIX_PERMIT)
{
if (is_debug)
zlog_debug ("Prefix was denied by prefix-list");
if (old)
ospf6_route_remove (old, table);
return;
}
}
/* (5),(6),(7) the path preference is handled by the sorting
in the routing table. Always install the path by substituting
old route (if any). */
if (old)
route = ospf6_route_copy (old);
else
route = ospf6_route_create ();
route->type = type;
route->prefix = prefix;
route->path.origin.type = lsa->header->type;
route->path.origin.id = lsa->header->id;
route->path.origin.adv_router = lsa->header->adv_router;
route->path.router_bits = router_bits;
route->path.options[0] = options[0];
route->path.options[1] = options[1];
route->path.options[2] = options[2];
route->path.prefix_options = prefix_options;
route->path.area_id = oa->area_id;
route->path.type = OSPF6_PATH_TYPE_INTER;
route->path.cost = abr_entry->path.cost + cost;
for (i = 0; i < OSPF6_MULTI_PATH_LIMIT; i++)
route->nexthop[i] = abr_entry->nexthop[i];
if (is_debug)
zlog_debug ("Install route: %s", buf);
ospf6_route_add (route, table);
}
/* RFC 2328 12.4.3. Summary-LSAs */
void
ospf6_abr_originate_summary_to_area (struct ospf6_route *route,
struct ospf6_area *area)
{
struct ospf6_lsa *lsa, *old = NULL;
struct ospf6_interface *oi;
struct ospf6_route *summary, *range = NULL;
struct ospf6_area *route_area;
char buffer[OSPF6_MAX_LSASIZE];
struct ospf6_lsa_header *lsa_header;
caddr_t p;
struct ospf6_inter_prefix_lsa *prefix_lsa;
struct ospf6_inter_router_lsa *router_lsa;
struct ospf6_route_table *summary_table = NULL;
u_int16_t type;
char buf[64];
int is_debug = 0;
if (route->type == OSPF6_DEST_TYPE_ROUTER)
{
if (IS_OSPF6_DEBUG_ABR || IS_OSPF6_DEBUG_ORIGINATE (INTER_ROUTER))
{
is_debug++;
inet_ntop (AF_INET, &(ADV_ROUTER_IN_PREFIX (&route->prefix)),
buf, sizeof (buf));
zlog_debug ("Originating summary in area %s for ASBR %s",
area->name, buf);
}
summary_table = area->summary_router;
}
else
{
if (IS_OSPF6_DEBUG_ABR || IS_OSPF6_DEBUG_ORIGINATE (INTER_PREFIX))
{
is_debug++;
prefix2str (&route->prefix, buf, sizeof (buf));
zlog_debug ("Originating summary in area %s for %s",
area->name, buf);
}
summary_table = area->summary_prefix;
}
summary = ospf6_route_lookup (&route->prefix, summary_table);
if (summary)
old = ospf6_lsdb_lookup (summary->path.origin.type,
summary->path.origin.id,
area->ospf6->router_id, area->lsdb);
/* if this route has just removed, remove corresponding LSA */
if (CHECK_FLAG (route->flag, OSPF6_ROUTE_REMOVE))
{
if (is_debug)
zlog_debug ("The route has just removed, purge previous LSA");
if (summary)
ospf6_route_remove (summary, summary_table);
if (old)
ospf6_lsa_purge (old);
return;
}
/* Only destination type network, range or ASBR are considered */
if (route->type != OSPF6_DEST_TYPE_NETWORK &&
route->type != OSPF6_DEST_TYPE_RANGE &&
(route->type != OSPF6_DEST_TYPE_ROUTER ||
! CHECK_FLAG (route->path.router_bits, OSPF6_ROUTER_BIT_E)))
{
if (is_debug)
zlog_debug ("Route type is none of network, range nor ASBR, withdraw");
if (summary)
ospf6_route_remove (summary, summary_table);
if (old)
ospf6_lsa_purge (old);
return;
}
/* AS External routes are never considered */
if (route->path.type == OSPF6_PATH_TYPE_EXTERNAL1 ||
route->path.type == OSPF6_PATH_TYPE_EXTERNAL2)
{
if (is_debug)
zlog_debug ("Path type is external, withdraw");
if (summary)
ospf6_route_remove (summary, summary_table);
if (old)
ospf6_lsa_purge (old);
return;
}
/* do not generate if the path's area is the same as target area */
if (route->path.area_id == area->area_id)
{
if (is_debug)
zlog_debug ("The route is in the area itself, ignore");
if (summary)
ospf6_route_remove (summary, summary_table);
if (old)
ospf6_lsa_purge (old);
return;
}
/* do not generate if the nexthops belongs to the target area */
oi = ospf6_interface_lookup_by_ifindex (route->nexthop[0].ifindex);
if (oi && oi->area && oi->area == area)
{
if (is_debug)
zlog_debug ("The route's nexthop is in the same area, ignore");
if (summary)
ospf6_route_remove (summary, summary_table);
if (old)
ospf6_lsa_purge (old);
return;
}
/* do not generate if the route cost is greater or equal to LSInfinity */
if (route->path.cost >= OSPF_LS_INFINITY)
{
if (is_debug)
zlog_debug ("The cost exceeds LSInfinity, withdraw");
if (summary)
ospf6_route_remove (summary, summary_table);
if (old)
ospf6_lsa_purge (old);
return;
}
/* if this is a route to ASBR */
if (route->type == OSPF6_DEST_TYPE_ROUTER)
{
/* Only the prefered best path is considered */
if (! CHECK_FLAG (route->flag, OSPF6_ROUTE_BEST))
{
if (is_debug)
zlog_debug ("This is the secondary path to the ASBR, ignore");
if (summary)
ospf6_route_remove (summary, summary_table);
if (old)
ospf6_lsa_purge (old);
return;
}
/* Do not generate if the area is stub */
/* XXX */
}
/* if this is an intra-area route, this may be suppressed by aggregation */
if (route->type == OSPF6_DEST_TYPE_NETWORK &&
route->path.type == OSPF6_PATH_TYPE_INTRA)
{
/* search for configured address range for the route's area */
route_area = ospf6_area_lookup (route->path.area_id, area->ospf6);
assert (route_area);
range = ospf6_route_lookup_bestmatch (&route->prefix,
route_area->range_table);
/* ranges are ignored when originate backbone routes to transit area.
Otherwise, if ranges are configured, the route is suppressed. */
if (range && ! CHECK_FLAG (range->flag, OSPF6_ROUTE_REMOVE) &&
(route->path.area_id != OSPF_AREA_BACKBONE ||
! IS_AREA_TRANSIT (area)))
{
if (is_debug)
{
prefix2str (&range->prefix, buf, sizeof (buf));
zlog_debug ("Suppressed by range %s of area %s",
buf, route_area->name);
}
if (summary)
ospf6_route_remove (summary, summary_table);
if (old)
ospf6_lsa_purge (old);
return;
}
}
/* If this is a configured address range */
if (route->type == OSPF6_DEST_TYPE_RANGE)
{
/* If DoNotAdvertise is set */
if (CHECK_FLAG (route->flag, OSPF6_ROUTE_DO_NOT_ADVERTISE))
{
if (is_debug)
zlog_debug ("This is the range with DoNotAdvertise set. ignore");
if (summary)
ospf6_route_remove (summary, summary_table);
if (old)
ospf6_lsa_purge (old);
return;
}
/* Whether the route have active longer prefix */
if (! CHECK_FLAG (route->flag, OSPF6_ROUTE_ACTIVE_SUMMARY))
{
if (is_debug)
zlog_debug ("The range is not active. withdraw");
if (summary)
ospf6_route_remove (summary, summary_table);
if (old)
ospf6_lsa_purge (old);
return;
}
}
/* Check export list */
if (EXPORT_NAME (area))
{
if (EXPORT_LIST (area) == NULL)
EXPORT_LIST (area) =
access_list_lookup (AFI_IP6, EXPORT_NAME (area));
if (EXPORT_LIST (area))
if (access_list_apply (EXPORT_LIST (area),
&route->prefix) == FILTER_DENY)
{
if (is_debug)
{
inet_ntop (AF_INET, &(ADV_ROUTER_IN_PREFIX (&route->prefix)),
buf, sizeof(buf));
zlog_debug ("prefix %s was denied by export list", buf);
}
return;
}
}
/* Check filter-list */
if (PREFIX_NAME_OUT (area))
{
if (PREFIX_LIST_OUT (area) == NULL)
PREFIX_LIST_OUT (area) =
prefix_list_lookup(AFI_IP6, PREFIX_NAME_OUT (area));
if (PREFIX_LIST_OUT (area))
if (prefix_list_apply (PREFIX_LIST_OUT (area),
&route->prefix) != PREFIX_PERMIT)
{
if (is_debug)
{
inet_ntop (AF_INET, &(ADV_ROUTER_IN_PREFIX (&route->prefix)),
buf, sizeof (buf));
zlog_debug ("prefix %s was denied by filter-list out", buf);
}
return;
}
}
/* the route is going to be originated. store it in area's summary_table */
if (summary == NULL)
{
summary = ospf6_route_copy (route);
if (route->type == OSPF6_DEST_TYPE_NETWORK ||
route->type == OSPF6_DEST_TYPE_RANGE)
summary->path.origin.type = htons (OSPF6_LSTYPE_INTER_PREFIX);
else
summary->path.origin.type = htons (OSPF6_LSTYPE_INTER_ROUTER);
summary->path.origin.adv_router = area->ospf6->router_id;
summary->path.origin.id =
ospf6_new_ls_id (summary->path.origin.type,
summary->path.origin.adv_router, area->lsdb);
summary = ospf6_route_add (summary, summary_table);
}
else
{
summary->type = route->type;
quagga_gettime (QUAGGA_CLK_MONOTONIC, &summary->changed);
}
summary->path.router_bits = route->path.router_bits;
summary->path.options[0] = route->path.options[0];
summary->path.options[1] = route->path.options[1];
summary->path.options[2] = route->path.options[2];
summary->path.prefix_options = route->path.prefix_options;
summary->path.area_id = area->area_id;
summary->path.type = OSPF6_PATH_TYPE_INTER;
summary->path.cost = route->path.cost;
summary->nexthop[0] = route->nexthop[0];
/* prepare buffer */
memset (buffer, 0, sizeof (buffer));
lsa_header = (struct ospf6_lsa_header *) buffer;
if (route->type == OSPF6_DEST_TYPE_ROUTER)
{
router_lsa = (struct ospf6_inter_router_lsa *)
((caddr_t) lsa_header + sizeof (struct ospf6_lsa_header));
p = (caddr_t) router_lsa + sizeof (struct ospf6_inter_router_lsa);
/* Fill Inter-Area-Router-LSA */
router_lsa->options[0] = route->path.options[0];
router_lsa->options[1] = route->path.options[1];
router_lsa->options[2] = route->path.options[2];
OSPF6_ABR_SUMMARY_METRIC_SET (router_lsa, route->path.cost);
router_lsa->router_id = ADV_ROUTER_IN_PREFIX (&route->prefix);
type = htons (OSPF6_LSTYPE_INTER_ROUTER);
}
else
{
prefix_lsa = (struct ospf6_inter_prefix_lsa *)
((caddr_t) lsa_header + sizeof (struct ospf6_lsa_header));
p = (caddr_t) prefix_lsa + sizeof (struct ospf6_inter_prefix_lsa);
/* Fill Inter-Area-Prefix-LSA */
OSPF6_ABR_SUMMARY_METRIC_SET (prefix_lsa, route->path.cost);
prefix_lsa->prefix.prefix_length = route->prefix.prefixlen;
prefix_lsa->prefix.prefix_options = route->path.prefix_options;
/* set Prefix */
memcpy (p, &route->prefix.u.prefix6,
OSPF6_PREFIX_SPACE (route->prefix.prefixlen));
ospf6_prefix_apply_mask (&prefix_lsa->prefix);
p += OSPF6_PREFIX_SPACE (route->prefix.prefixlen);
type = htons (OSPF6_LSTYPE_INTER_PREFIX);
}
/* Fill LSA Header */
lsa_header->age = 0;
lsa_header->type = type;
lsa_header->id = summary->path.origin.id;
lsa_header->adv_router = area->ospf6->router_id;
lsa_header->seqnum =
ospf6_new_ls_seqnum (lsa_header->type, lsa_header->id,
lsa_header->adv_router, area->lsdb);
lsa_header->length = htons ((caddr_t) p - (caddr_t) lsa_header);
/* LSA checksum */
ospf6_lsa_checksum (lsa_header);
/* create LSA */
lsa = ospf6_lsa_create (lsa_header);
/* Originate */
ospf6_lsa_originate_area (lsa, area);
}