isisd: add Google's changes to IS-IS
diff --git a/isisd/isis_zebra.c b/isisd/isis_zebra.c
index 9ee5ffc..467122f 100644
--- a/isisd/isis_zebra.c
+++ b/isisd/isis_zebra.c
@@ -36,30 +36,37 @@
#include "isisd/dict.h"
#include "isisd/isis_constants.h"
#include "isisd/isis_common.h"
+#include "isisd/isis_flags.h"
+#include "isisd/isis_misc.h"
+#include "isisd/isis_circuit.h"
+#include "isisd/isis_tlv.h"
#include "isisd/isisd.h"
#include "isisd/isis_circuit.h"
#include "isisd/isis_csm.h"
+#include "isisd/isis_lsp.h"
#include "isisd/isis_route.h"
#include "isisd/isis_zebra.h"
struct zclient *zclient = NULL;
-extern struct thread_master *master;
-extern struct isis *isis;
-
-struct in_addr router_id_zebra;
-
/* Router-id update message from zebra. */
static int
isis_router_id_update_zebra (int command, struct zclient *zclient,
zebra_size_t length)
{
+ struct isis_area *area;
+ struct listnode *node;
struct prefix router_id;
- zebra_router_id_update_read (zclient->ibuf,&router_id);
- router_id_zebra = router_id.u.prefix4;
+ zebra_router_id_update_read (zclient->ibuf, &router_id);
+ if (isis->router_id == router_id.u.prefix4.s_addr)
+ return 0;
- /* FIXME: Do we react somehow? */
+ isis->router_id = router_id.u.prefix4.s_addr;
+ for (ALL_LIST_ELEMENTS_RO (isis->area_list, node, area))
+ if (listcount (area->area_addrs) > 0)
+ lsp_regenerate_schedule (area, area->is_type, 0);
+
return 0;
}
@@ -100,53 +107,28 @@
zlog_debug ("Zebra I/F delete: %s index %d flags %ld metric %d mtu %d",
ifp->name, ifp->ifindex, (long)ifp->flags, ifp->metric, ifp->mtu);
+ isis_csm_state_change (IF_DOWN_FROM_Z, circuit_scan_by_ifp (ifp), ifp);
/* Cannot call if_delete because we should retain the pseudo interface
in case there is configuration info attached to it. */
if_delete_retain(ifp);
- isis_csm_state_change (IF_DOWN_FROM_Z, circuit_scan_by_ifp (ifp), ifp);
-
ifp->ifindex = IFINDEX_INTERNAL;
return 0;
}
-static struct interface *
-zebra_interface_if_lookup (struct stream *s)
-{
- char ifname_tmp[INTERFACE_NAMSIZ];
-
- /* Read interface name. */
- stream_get (ifname_tmp, s, INTERFACE_NAMSIZ);
-
- /* And look it up. */
- return if_lookup_by_name_len(ifname_tmp,
- strnlen(ifname_tmp, INTERFACE_NAMSIZ));
-}
-
static int
isis_zebra_if_state_up (int command, struct zclient *zclient,
zebra_size_t length)
{
struct interface *ifp;
- ifp = zebra_interface_if_lookup (zclient->ibuf);
+ ifp = zebra_interface_state_read (zclient->ibuf);
- if (!ifp)
+ if (ifp == NULL)
return 0;
- if (if_is_operative (ifp))
- {
- zebra_interface_if_set_value (zclient->ibuf, ifp);
- /* HT: This is wrong actually. We can't assume that circuit exist
- * if we delete circuit during if_state_down event. Needs rethink.
- * TODO */
- isis_circuit_update_params (circuit_scan_by_ifp (ifp), ifp);
- return 0;
- }
-
- zebra_interface_if_set_value (zclient->ibuf, ifp);
isis_csm_state_change (IF_UP_FROM_Z, circuit_scan_by_ifp (ifp), ifp);
return 0;
@@ -157,17 +139,17 @@
zebra_size_t length)
{
struct interface *ifp;
+ struct isis_circuit *circuit;
- ifp = zebra_interface_if_lookup (zclient->ibuf);
+ ifp = zebra_interface_state_read (zclient->ibuf);
if (ifp == NULL)
return 0;
- if (if_is_operative (ifp))
- {
- zebra_interface_if_set_value (zclient->ibuf, ifp);
- isis_csm_state_change (IF_DOWN_FROM_Z, circuit_scan_by_ifp (ifp), ifp);
- }
+ circuit = isis_csm_state_change (IF_DOWN_FROM_Z, circuit_scan_by_ifp (ifp),
+ ifp);
+ if (circuit)
+ SET_FLAG(circuit->flags, ISIS_CIRCUIT_FLAPPED_AFTER_SPF);
return 0;
}
@@ -251,7 +233,7 @@
struct isis_nexthop *nexthop;
struct listnode *node;
- if (CHECK_FLAG (route_info->flag, ISIS_ROUTE_FLAG_ZEBRA_SYNC))
+ if (CHECK_FLAG (route_info->flag, ISIS_ROUTE_FLAG_ZEBRA_SYNCED))
return;
if (zclient->redist[ZEBRA_ROUTE_ISIS])
@@ -305,7 +287,8 @@
stream_putw_at (stream, 0, stream_get_endp (stream));
zclient_send_message(zclient);
- SET_FLAG (route_info->flag, ISIS_ROUTE_FLAG_ZEBRA_SYNC);
+ SET_FLAG (route_info->flag, ISIS_ROUTE_FLAG_ZEBRA_SYNCED);
+ UNSET_FLAG (route_info->flag, ISIS_ROUTE_FLAG_ZEBRA_RESYNC);
}
}
@@ -326,7 +309,7 @@
prefix4.prefix = prefix->u.prefix4;
zapi_ipv4_route (ZEBRA_IPV4_ROUTE_DELETE, zclient, &prefix4, &api);
}
- UNSET_FLAG (route_info->flag, ISIS_ROUTE_FLAG_ZEBRA_SYNC);
+ UNSET_FLAG (route_info->flag, ISIS_ROUTE_FLAG_ZEBRA_SYNCED);
return;
}
@@ -344,7 +327,7 @@
struct listnode *node;
struct prefix_ipv6 prefix6;
- if (CHECK_FLAG (route_info->flag, ISIS_ROUTE_FLAG_ZEBRA_SYNC))
+ if (CHECK_FLAG (route_info->flag, ISIS_ROUTE_FLAG_ZEBRA_SYNCED))
return;
api.type = ZEBRA_ROUTE_ISIS;
@@ -406,7 +389,8 @@
prefix6.prefixlen = prefix->prefixlen;
memcpy (&prefix6.prefix, &prefix->u.prefix6, sizeof (struct in6_addr));
zapi_ipv6_route (ZEBRA_IPV6_ROUTE_ADD, zclient, &prefix6, &api);
- SET_FLAG (route_info->flag, ISIS_ROUTE_FLAG_ZEBRA_SYNC);
+ SET_FLAG (route_info->flag, ISIS_ROUTE_FLAG_ZEBRA_SYNCED);
+ UNSET_FLAG (route_info->flag, ISIS_ROUTE_FLAG_ZEBRA_RESYNC);
}
XFREE (MTYPE_ISIS_TMP, nexthop_list);
@@ -427,7 +411,7 @@
struct listnode *node;
struct prefix_ipv6 prefix6;
- if (CHECK_FLAG (route_info->flag, ISIS_ROUTE_FLAG_ZEBRA_SYNC))
+ if (CHECK_FLAG (route_info->flag, ISIS_ROUTE_FLAG_ZEBRA_SYNCED))
return;
api.type = ZEBRA_ROUTE_ISIS;
@@ -483,7 +467,7 @@
prefix6.prefixlen = prefix->prefixlen;
memcpy (&prefix6.prefix, &prefix->u.prefix6, sizeof (struct in6_addr));
zapi_ipv6_route (ZEBRA_IPV6_ROUTE_DELETE, zclient, &prefix6, &api);
- UNSET_FLAG (route_info->flag, ISIS_ROUTE_FLAG_ZEBRA_SYNC);
+ UNSET_FLAG (route_info->flag, ISIS_ROUTE_FLAG_ZEBRA_SYNCED);
}
XFREE (MTYPE_ISIS_TMP, nexthop_list);