1 files changed, 62 insertions, 0 deletions

diff --git a/isisd/isis_vty.c b/isisd/isis_vty.c
index a73598bac..721959859 100644
--- a/isisd/isis_vty.c
+++ b/isisd/isis_vty.c
@@ -24,6 +24,7 @@
 #include <zebra.h>
 
 #include "command.h"
+#include "spf_backoff.h"
 
 #include "isis_circuit.h"
 #include "isis_csm.h"
@@ -1708,6 +1709,63 @@ DEFUN (no_spf_interval_l2,
   return CMD_SUCCESS;
 }
 
+DEFUN (no_spf_delay_ietf,
+       no_spf_delay_ietf_cmd,
+       "no spf-delay-ietf",
+       NO_STR
+       "IETF SPF delay algorithm\n")
+{
+  VTY_DECLVAR_CONTEXT (isis_area, area);
+
+  spf_backoff_free(area->spf_delay_ietf[0]);
+  spf_backoff_free(area->spf_delay_ietf[1]);
+  area->spf_delay_ietf[0] = NULL;
+  area->spf_delay_ietf[1] = NULL;
+
+  return CMD_SUCCESS;
+}
+
+DEFUN (spf_delay_ietf,
+       spf_delay_ietf_cmd,
+       "spf-delay-ietf init-delay (0-60000) short-delay (0-60000) long-delay (0-60000) holddown (0-60000) time-to-learn (0-60000)",
+       "IETF SPF delay algorithm\n"
+       "Delay used while in QUIET state\n"
+       "Delay used while in QUIET state in milliseconds\n"
+       "Delay used while in SHORT_WAIT state\n"
+       "Delay used while in SHORT_WAIT state in milliseconds\n"
+       "Delay used while in LONG_WAIT\n"
+       "Delay used while in LONG_WAIT state in milliseconds\n"
+       "Time with no received IGP events before considering IGP stable\n"
+       "Time with no received IGP events before considering IGP stable (in milliseconds)\n"
+       "Maximum duration needed to learn all the events related to a single failure\n"
+       "Maximum duration needed to learn all the events related to a single failure (in milliseconds)\n")
+{
+  VTY_DECLVAR_CONTEXT (isis_area, area);
+
+  long init_delay = atol(argv[2]->arg);
+  long short_delay = atol(argv[4]->arg);
+  long long_delay = atol(argv[6]->arg);
+  long holddown = atol(argv[8]->arg);
+  long timetolearn = atol(argv[10]->arg);
+
+  size_t bufsiz = strlen(area->area_tag) + sizeof("IS-IS  Lx");
+  char *buf = XCALLOC(MTYPE_TMP, bufsiz);
+
+  snprintf(buf, bufsiz, "IS-IS %s L1", area->area_tag);
+  spf_backoff_free(area->spf_delay_ietf[0]);
+  area->spf_delay_ietf[0] = spf_backoff_new(master, buf, init_delay,
+                                            short_delay, long_delay,
+                                            holddown, timetolearn);
+
+  snprintf(buf, bufsiz, "IS-IS %s L2", area->area_tag);
+  spf_backoff_free(area->spf_delay_ietf[1]);
+  area->spf_delay_ietf[1] = spf_backoff_new(master, buf, init_delay,
+                                            short_delay, long_delay,
+                                            holddown, timetolearn);
+
+  XFREE(MTYPE_TMP, buf);
+  return CMD_SUCCESS;
+}
 
 static int
 area_max_lsp_lifetime_set(struct vty *vty, int level,
@@ -2097,4 +2155,8 @@ isis_vty_init (void)
   install_element (ISIS_NODE, &domain_passwd_md5_cmd);
   install_element (ISIS_NODE, &domain_passwd_clear_cmd);
   install_element (ISIS_NODE, &no_area_passwd_cmd);
+
+  install_element (ISIS_NODE, &spf_delay_ietf_cmd);
+  install_element (ISIS_NODE, &no_spf_delay_ietf_cmd);
+
 }