Split protocol init to building of protocol list and real protocol init.

Added kernel route table syncer skeleton.

nest/proto.c

@@ -106,15 +106,20 @@ protos_dump_all(void)
     debug("  inactive %s\n", p->name);
 }
 
+void
+protos_build(void)
+{
+  init_list(&protocol_list);
+  add_tail(&protocol_list, &proto_device.n);
+  add_tail(&protocol_list, &proto_rip.n);
+}
+
 void
 protos_init(void)
 {
   struct protocol *p;
 
   debug("Initializing protocols\n");
-  init_list(&protocol_list);
-  add_tail(&protocol_list, &proto_device.n);
-  add_tail(&protocol_list, &proto_rip.n); /* HACK: We should really read this from config */
   WALK_LIST(p, protocol_list)
     p->init(p);
 }

nest/protocol.h

@@ -32,6 +32,7 @@ struct protocol {
   void (*postconfig)(struct protocol *); /* After configuring */
 };
 
+void protos_build(void);
 void protos_init(void);
 void protos_preconfig(void);
 void protos_postconfig(void);

nest/route.h

@@ -248,6 +248,7 @@ void rta_dump_all(void);
 #define DEF_PREF_BGP		100	/* BGP */
 #define DEF_PREF_OSPF_EXTERNAL	80	/* OSPF external routes */
 #define DEF_PREF_RIP_EXTERNAL	70	/* RIP external routes */
+#define DEF_PREF_UKR		50	/* Unidentified Kernel Route */
 #define DEF_PREF_SINK		10	/* Sink route */
 
 #endif

sysdep/unix/Modules

@@ -4,3 +4,4 @@ timer.h
 io.c
 unix.h
 sync-if.c
+sync-rt.c

sysdep/unix/main.c

@@ -76,6 +76,8 @@ main(void)
   io_init();
   rt_init();
   if_init();
+  protos_build();
+  add_tail(&protocol_list, &proto_unix_kernel.n); /* FIXME: Must be _always_ the last one */
   protos_init();
   protos_preconfig();
   protos_postconfig();

sysdep/unix/sync-if.c

@@ -180,4 +180,3 @@ scan_if_init(void)
   if_scan_timer->recurrent = if_scan_period;
   tm_start(if_scan_timer, if_scan_period);
 }
-

sysdep/unix/sync-rt.c

@@ -0,0 +1,62 @@
+/*
+ *	BIRD -- Unix Routing Table Scanning and Syncing
+ *
+ *	(c) 1998 Martin Mares <mj@ucw.cz>
+ *
+ *	Can be freely distributed and used under the terms of the GNU GPL.
+ */
+
+#include <string.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <sys/ioctl.h>
+#include <errno.h>
+
+#define LOCAL_DEBUG
+
+#include "nest/bird.h"
+#include "nest/iface.h"
+#include "nest/route.h"
+#include "nest/protocol.h"
+#include "lib/timer.h"
+
+#include "unix.h"
+
+void
+uk_rt_notify(struct proto *p, net *net, rte *new, rte *old)
+{
+}
+
+void
+uk_start(struct proto *p)
+{
+}
+
+void
+uk_init(struct protocol *x)
+{
+}
+
+void
+uk_preconfig(struct protocol *x)
+{
+  struct proto *p = proto_new(&proto_unix_kernel, sizeof(struct proto));
+
+  p->preference = DEF_PREF_UKR;
+  p->rt_notify = uk_rt_notify;
+  p->start = uk_start;
+}
+
+void
+uk_postconfig(struct protocol *x)
+{
+}
+
+struct protocol proto_unix_kernel = {
+  { NULL, NULL },
+  "kernel",
+  0,
+  uk_init,
+  uk_preconfig,
+  uk_postconfig
+};

sysdep/unix/unix.h

@@ -22,4 +22,8 @@ extern int if_scan_period;
 
 void scan_if_init(void);
 
+/* sync-rt.c */
+
+extern struct protocol proto_unix_kernel;
+
 #endif