From 3ea1ba632b3cdb5005a9339fd5e74d5f93631a48 Mon Sep 17 00:00:00 2001
From: Martin Mares <mj@ucw.cz>
Date: Tue, 18 Jan 2000 11:01:03 +0000
Subject: [PATCH] Killed protocol->priority. Protocol startup should be clean
 and hack-free now. It seems everything still works (except for
 disable/enable/restart which hangs sometimes, but it's another story).

---
 TODO              |  3 +--
 nest/proto.c      | 21 ++-------------------
 nest/protocol.h   |  1 -
 nest/rt-dev.c     |  1 -
 sysdep/unix/krt.c |  2 --
 5 files changed, 3 insertions(+), 25 deletions(-)

diff --git a/TODO b/TODO
index ff549a56..2b752ac3 100644
--- a/TODO
+++ b/TODO
@@ -27,10 +27,9 @@ Core
 - config: when parsing prefix, check zero bits
 - config: useless rules when protocols disabled
 - config: better datetime format
+- config: long disable/enable/restart sequences hang
 
 - krt: rescan interfaces when route addition fails?
-- krt: does PERSIST mode have any sense if kernel syncer is shut down as last?
-- krt: check behaviour wrt. reconfiguration of routing tables
 
 - tagging of external routes?
 
diff --git a/nest/proto.c b/nest/proto.c
index 81f3bd77..da758665 100644
--- a/nest/proto.c
+++ b/nest/proto.c
@@ -49,17 +49,7 @@ static void proto_rethink_goal(struct proto *p);
 static void
 proto_enqueue(list *l, struct proto *p)
 {
-  int pri = p->proto->priority;
-
-  if (!pri)
-    add_tail(l, &p->n);
-  else
-    {
-      struct proto *q = HEAD(*l);
-      while (q->n.next && q->proto->priority >= pri)
-	q = (struct proto *) q->n.next;
-      insert_node(&p->n, q->n.prev);
-    }
+  add_tail(l, &p->n);
   p->last_state_change = now;
 }
 
@@ -324,7 +314,7 @@ protos_dump_all(void)
 
   WALK_LIST(p, active_proto_list)
     {
-      debug("  protocol %s (pri=%d): state %s/%s\n", p->name, p->proto->priority,
+      debug("  protocol %s state %s/%s\n", p->name,
 	    p_states[p->proto_state], c_states[p->core_state]);
       if (p->in_filter)
 	debug("\tInput filter: %s\n", filter_name(p->in_filter));
@@ -424,13 +414,6 @@ proto_notify_state(struct proto *p, unsigned ps)
       ASSERT(ops == PS_DOWN || ops == PS_START);
       ASSERT(cs == FS_HUNGRY);
       DBG("%s: Scheduling meal\n", p->name);
-      if (p->proto->priority)		/* FIXME: Terrible hack to get synchronous device/kernel startup! */
-	{
-	  p->proto_state = ps;
-	  p->core_state = FS_FEEDING;
-	  proto_feed(p);
-	  return;
-	}
       cs = FS_FEEDING;
       p->attn->hook = proto_feed;
       ev_schedule(p->attn);
diff --git a/nest/protocol.h b/nest/protocol.h
index 5564cdb8..f1afb532 100644
--- a/nest/protocol.h
+++ b/nest/protocol.h
@@ -35,7 +35,6 @@ struct protocol {
   char *name;
   char *template;			/* Template for automatic generation of names */
   unsigned debug;			/* Default debugging flags */
-  int priority;				/* Protocol priority (usually 0) */
   int name_counter;			/* Counter for automatic name generation */
 
   void (*preconfig)(struct protocol *, struct config *);	/* Just before configuring */
diff --git a/nest/rt-dev.c b/nest/rt-dev.c
index 89b22502..b9253ccb 100644
--- a/nest/rt-dev.c
+++ b/nest/rt-dev.c
@@ -89,7 +89,6 @@ dev_reconfigure(struct proto *p, struct proto_config *new)
 struct protocol proto_device = {
   name:		"Direct",
   template:	"direct%d",
-  priority:	90,
   init:		dev_init,
   reconfigure:	dev_reconfigure
 };
diff --git a/sysdep/unix/krt.c b/sysdep/unix/krt.c
index 110ded08..55986f0e 100644
--- a/sysdep/unix/krt.c
+++ b/sysdep/unix/krt.c
@@ -161,7 +161,6 @@ kif_reconfigure(struct proto *p, struct proto_config *new)
 struct protocol proto_unix_iface = {
   name:		"Device",
   template:	"device%d",
-  priority:	100,
   preconfig:	kif_preconfig,
   init:		kif_init,
   start:	kif_start,
@@ -801,7 +800,6 @@ krt_reconfigure(struct proto *p, struct proto_config *new)
 struct protocol proto_unix_kernel = {
   name:		"Kernel",
   template:	"kernel%d",
-  priority:	80,
   preconfig:	krt_preconfig,
   postconfig:	krt_postconfig,
   init:		krt_init,