/*
- * IS-IS Rout(e)ing protocol - isis_events.h
+ * IS-IS Rout(e)ing protocol - isis_events.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
#include "isisd/isis_common.h"
#include "isisd/isis_flags.h"
#include "isisd/isis_circuit.h"
-#include "isisd/isis_tlv.h"
#include "isisd/isis_lsp.h"
#include "isisd/isis_pdu.h"
#include "isisd/isis_network.h"
#include "isisd/isis_csm.h"
#include "isisd/isis_events.h"
#include "isisd/isis_spf.h"
+#include "isisd/isis_errors.h"
-/* debug isis-spf spf-events
+/* debug isis-spf spf-events
4w4d: ISIS-Spf (tlt): L2 SPF needed, new adjacency, from 0x609229F4
4w4d: ISIS-Spf (tlt): L2, 0000.0000.0042.01-00 TLV contents changed, code 0x2
4w4d: ISIS-Spf (tlt): L2, new LSP 0 DEAD.BEEF.0043.00-00
4w5d: ISIS-Spf (tlt): L2 SPF needed, periodic SPF, from 0x6091C844
*/
-void
-isis_event_circuit_state_change (struct isis_circuit *circuit,
- struct isis_area *area, int up)
+void isis_event_circuit_state_change(struct isis_circuit *circuit,
+ struct isis_area *area, int up)
{
- area->circuit_state_changes++;
+ area->circuit_state_changes++;
- if (isis->debugs & DEBUG_EVENTS)
- zlog_debug ("ISIS-Evt (%s) circuit %s", area->area_tag,
- up ? "up" : "down");
+ if (isis->debugs & DEBUG_EVENTS)
+ zlog_debug("ISIS-Evt (%s) circuit %s", area->area_tag,
+ up ? "up" : "down");
- /*
- * Regenerate LSPs this affects
- */
- lsp_regenerate_schedule (area, IS_LEVEL_1 | IS_LEVEL_2, 0);
+ /*
+ * Regenerate LSPs this affects
+ */
+ lsp_regenerate_schedule(area, IS_LEVEL_1 | IS_LEVEL_2, 0);
- return;
+ return;
}
-static void
-circuit_commence_level (struct isis_circuit *circuit, int level)
+static void circuit_commence_level(struct isis_circuit *circuit, int level)
{
- if (level == 1)
- {
- if (! circuit->is_passive)
- thread_add_timer(master, send_l1_psnp, circuit,
- isis_jitter(circuit->psnp_interval[0], PSNP_JITTER),
- &circuit->t_send_psnp[0]);
-
- if (circuit->circ_type == CIRCUIT_T_BROADCAST)
- {
- thread_add_timer(master, isis_run_dr_l1, circuit,
- 2 * circuit->hello_interval[0],
- &circuit->u.bc.t_run_dr[0]);
-
- thread_add_timer(master, send_lan_l1_hello, circuit,
- isis_jitter(circuit->hello_interval[0], IIH_JITTER),
- &circuit->u.bc.t_send_lan_hello[0]);
-
- circuit->u.bc.lan_neighs[0] = list_new ();
+ if (!circuit->is_passive) {
+ if (level == 1) {
+ thread_add_timer(master, send_l1_psnp, circuit,
+ isis_jitter(circuit->psnp_interval[0],
+ PSNP_JITTER),
+ &circuit->t_send_psnp[0]);
+ } else {
+ thread_add_timer(master, send_l2_psnp, circuit,
+ isis_jitter(circuit->psnp_interval[1],
+ PSNP_JITTER),
+ &circuit->t_send_psnp[1]);
+ }
}
- }
- else
- {
- if (! circuit->is_passive)
- thread_add_timer(master, send_l2_psnp, circuit,
- isis_jitter(circuit->psnp_interval[1], PSNP_JITTER),
- &circuit->t_send_psnp[1]);
-
- if (circuit->circ_type == CIRCUIT_T_BROADCAST)
- {
- thread_add_timer(master, isis_run_dr_l2, circuit,
- 2 * circuit->hello_interval[1],
- &circuit->u.bc.t_run_dr[1]);
- thread_add_timer(master, send_lan_l2_hello, circuit,
- isis_jitter(circuit->hello_interval[1], IIH_JITTER),
- &circuit->u.bc.t_send_lan_hello[1]);
+ if (circuit->circ_type == CIRCUIT_T_BROADCAST) {
+ thread_add_timer(master, isis_run_dr,
+ &circuit->level_arg[level - 1],
+ 2 * circuit->hello_interval[level - 1],
+ &circuit->u.bc.t_run_dr[level - 1]);
- circuit->u.bc.lan_neighs[1] = list_new ();
+ send_hello_sched(circuit, level, TRIGGERED_IIH_DELAY);
+ circuit->u.bc.lan_neighs[level - 1] = list_new();
}
- }
-
- return;
}
-static void
-circuit_resign_level (struct isis_circuit *circuit, int level)
+static void circuit_resign_level(struct isis_circuit *circuit, int level)
{
- int idx = level - 1;
-
- THREAD_TIMER_OFF (circuit->t_send_csnp[idx]);
- THREAD_TIMER_OFF (circuit->t_send_psnp[idx]);
-
- if (circuit->circ_type == CIRCUIT_T_BROADCAST)
- {
- THREAD_TIMER_OFF (circuit->u.bc.t_send_lan_hello[idx]);
- THREAD_TIMER_OFF (circuit->u.bc.t_run_dr[idx]);
- THREAD_TIMER_OFF (circuit->u.bc.t_refresh_pseudo_lsp[idx]);
- circuit->lsp_regenerate_pending[idx] = 0;
- circuit->u.bc.run_dr_elect[idx] = 0;
- if (circuit->u.bc.lan_neighs[idx] != NULL) {
- list_delete (circuit->u.bc.lan_neighs[idx]);
- circuit->u.bc.lan_neighs[idx] = NULL;
- }
- }
+ int idx = level - 1;
+
+ THREAD_TIMER_OFF(circuit->t_send_csnp[idx]);
+ THREAD_TIMER_OFF(circuit->t_send_psnp[idx]);
+
+ if (circuit->circ_type == CIRCUIT_T_BROADCAST) {
+ THREAD_TIMER_OFF(circuit->u.bc.t_send_lan_hello[idx]);
+ THREAD_TIMER_OFF(circuit->u.bc.t_run_dr[idx]);
+ THREAD_TIMER_OFF(circuit->u.bc.t_refresh_pseudo_lsp[idx]);
+ circuit->lsp_regenerate_pending[idx] = 0;
+ circuit->u.bc.run_dr_elect[idx] = 0;
+ if (circuit->u.bc.lan_neighs[idx] != NULL)
+ list_delete(&circuit->u.bc.lan_neighs[idx]);
+ }
- return;
+ return;
}
-void
-isis_circuit_is_type_set (struct isis_circuit *circuit, int newtype)
+void isis_circuit_is_type_set(struct isis_circuit *circuit, int newtype)
{
- if (circuit->state != C_STATE_UP)
- {
- circuit->is_type = newtype;
- return;
- }
-
- if (isis->debugs & DEBUG_EVENTS)
- zlog_debug ("ISIS-Evt (%s) circuit type change %s -> %s",
- circuit->area->area_tag,
- circuit_t2string (circuit->is_type),
- circuit_t2string (newtype));
-
- if (circuit->is_type == newtype)
- return; /* No change */
+ if (circuit->state != C_STATE_UP) {
+ circuit->is_type = newtype;
+ return;
+ }
- if (!(newtype & circuit->area->is_type))
- {
- zlog_err ("ISIS-Evt (%s) circuit type change - invalid level %s because"
- " area is %s", circuit->area->area_tag,
- circuit_t2string (newtype),
- circuit_t2string (circuit->area->is_type));
- return;
- }
+ if (isis->debugs & DEBUG_EVENTS)
+ zlog_debug("ISIS-Evt (%s) circuit type change %s -> %s",
+ circuit->area->area_tag,
+ circuit_t2string(circuit->is_type),
+ circuit_t2string(newtype));
+
+ if (circuit->is_type == newtype)
+ return; /* No change */
+
+ if (!(newtype & circuit->area->is_type)) {
+ flog_err(
+ EC_ISIS_CONFIG,
+ "ISIS-Evt (%s) circuit type change - invalid level %s because area is %s",
+ circuit->area->area_tag, circuit_t2string(newtype),
+ circuit_t2string(circuit->area->is_type));
+ return;
+ }
- if (! circuit->is_passive)
- {
- switch (circuit->is_type)
- {
- case IS_LEVEL_1:
- if (newtype == IS_LEVEL_2)
- circuit_resign_level (circuit, 1);
- circuit_commence_level (circuit, 2);
- break;
- case IS_LEVEL_1_AND_2:
- if (newtype == IS_LEVEL_1)
- circuit_resign_level (circuit, 2);
- else
- circuit_resign_level (circuit, 1);
- break;
- case IS_LEVEL_2:
- if (newtype == IS_LEVEL_1)
- circuit_resign_level (circuit, 2);
- circuit_commence_level (circuit, 1);
- break;
- default:
- break;
- }
- }
+ if (!circuit->is_passive) {
+ switch (circuit->is_type) {
+ case IS_LEVEL_1:
+ if (newtype == IS_LEVEL_2)
+ circuit_resign_level(circuit, 1);
+ circuit_commence_level(circuit, 2);
+ break;
+ case IS_LEVEL_1_AND_2:
+ if (newtype == IS_LEVEL_1)
+ circuit_resign_level(circuit, 2);
+ else
+ circuit_resign_level(circuit, 1);
+ break;
+ case IS_LEVEL_2:
+ if (newtype == IS_LEVEL_1)
+ circuit_resign_level(circuit, 2);
+ circuit_commence_level(circuit, 1);
+ break;
+ default:
+ break;
+ }
+ }
- circuit->is_type = newtype;
- lsp_regenerate_schedule (circuit->area, IS_LEVEL_1 | IS_LEVEL_2, 0);
+ circuit->is_type = newtype;
+ lsp_regenerate_schedule(circuit->area, IS_LEVEL_1 | IS_LEVEL_2, 0);
- return;
+ return;
}
- /* 04/18/2002 by Gwak. */
- /**************************************************************************
- *
- * EVENTS for LSP generation
- *
- * 1) an Adajacency or Circuit Up/Down event
- * 2) a chnage in Circuit metric
- * 3) a change in Reachable Address metric
- * 4) a change in manualAreaAddresses
- * 5) a change in systemID
- * 6) a change in DIS status
- * 7) a chnage in the waiting status
- *
- * ***********************************************************************
- *
- * current support event
- *
- * 1) Adjacency Up/Down event
- * 6) a change in DIS status
- *
- * ***********************************************************************/
-
-void
-isis_event_adjacency_state_change (struct isis_adjacency *adj, int newstate)
-{
- /* adjacency state change event.
- * - the only proto-type was supported */
-
- /* invalid arguments */
- if (!adj || !adj->circuit || !adj->circuit->area)
- return;
-
- if (isis->debugs & DEBUG_EVENTS)
- zlog_debug ("ISIS-Evt (%s) Adjacency State change",
- adj->circuit->area->area_tag);
-
- /* LSP generation again */
- lsp_regenerate_schedule (adj->circuit->area, IS_LEVEL_1 | IS_LEVEL_2, 0);
-
- return;
-}
+/* 04/18/2002 by Gwak. */
+/**************************************************************************
+ *
+ * EVENTS for LSP generation
+ *
+ * 1) an Adajacency or Circuit Up/Down event
+ * 2) a chnage in Circuit metric
+ * 3) a change in Reachable Address metric
+ * 4) a change in manualAreaAddresses
+ * 5) a change in systemID
+ * 6) a change in DIS status
+ * 7) a chnage in the waiting status
+ *
+ * ***********************************************************************
+ *
+ * current support event
+ *
+ * 1) Adjacency Up/Down event
+ * 6) a change in DIS status
+ *
+ * ***********************************************************************/
/* events supporting code */
-int
-isis_event_dis_status_change (struct thread *thread)
+int isis_event_dis_status_change(struct thread *thread)
{
- struct isis_circuit *circuit;
+ struct isis_circuit *circuit;
- circuit = THREAD_ARG (thread);
+ circuit = THREAD_ARG(thread);
- /* invalid arguments */
- if (!circuit || !circuit->area)
- return 0;
- if (isis->debugs & DEBUG_EVENTS)
- zlog_debug ("ISIS-Evt (%s) DIS status change", circuit->area->area_tag);
+ /* invalid arguments */
+ if (!circuit || !circuit->area)
+ return 0;
+ if (isis->debugs & DEBUG_EVENTS)
+ zlog_debug("ISIS-Evt (%s) DIS status change",
+ circuit->area->area_tag);
- /* LSP generation again */
- lsp_regenerate_schedule (circuit->area, IS_LEVEL_1 | IS_LEVEL_2, 0);
+ /* LSP generation again */
+ lsp_regenerate_schedule(circuit->area, IS_LEVEL_1 | IS_LEVEL_2, 0);
- return 0;
+ return 0;
}
-void
-isis_event_auth_failure (char *area_tag, const char *error_string, u_char *sysid)
+void isis_event_auth_failure(char *area_tag, const char *error_string,
+ uint8_t *sysid)
{
- if (isis->debugs & DEBUG_EVENTS)
- zlog_debug ("ISIS-Evt (%s) Authentication failure %s from %s",
- area_tag, error_string, sysid_print (sysid));
+ if (isis->debugs & DEBUG_EVENTS)
+ zlog_debug("ISIS-Evt (%s) Authentication failure %s from %s",
+ area_tag, error_string, sysid_print(sysid));
- return;
+ return;
}
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