*: call if_init()/if_terminate() from vrf_init()/vrf_terminate()

Later, an interface will belong to a specific VRF, and the interface
initialization will be a part of the VRF initialization. So now call
if_init() from vrf_init(), and if_terminate() from vrf_terminate().

Daemons have the according changes:
- if if_init() was called or "iflist" was initialized, now call
  vrf_init() instead;
- if if_terminate() was called or "iflist" was destroyed, now call
  vrf_terminate() instead.

Signed-off-by: Feng Lu <lu.feng@6wind.com>
Reviewed-by: Alain Ritoux <alain.ritoux@6wind.com>
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Acked-by: Vincent JARDIN <vincent.jardin@6wind.com>
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
diff --git a/pimd/pim_iface.c b/pimd/pim_iface.c
index ecf9ef6..dc3e9a2 100644
--- a/pimd/pim_iface.c
+++ b/pimd/pim_iface.c
@@ -43,11 +43,6 @@
 
 static void pim_if_igmp_join_del_all(struct interface *ifp);
 
-void pim_if_init()
-{
-  if_init();
-}
-
 static void *if_list_clean(struct pim_interface *pim_ifp)
 {
   if (pim_ifp->igmp_join_list) {
diff --git a/pimd/pim_iface.h b/pimd/pim_iface.h
index 4b06b9f..8806fdd 100644
--- a/pimd/pim_iface.h
+++ b/pimd/pim_iface.h
@@ -108,8 +108,6 @@
   ((pim_ifp)->pim_hello_period * 7 / 2) : \
   ((pim_ifp)->pim_default_holdtime))
 
-void pim_if_init(void);
-
 struct pim_interface *pim_if_new(struct interface *ifp, int igmp, int pim);
 void                  pim_if_delete(struct interface *ifp);
 void pim_if_addr_add(struct connected *ifc);
diff --git a/pimd/pim_main.c b/pimd/pim_main.c
index b57f881..63dd636 100644
--- a/pimd/pim_main.c
+++ b/pimd/pim_main.c
@@ -31,6 +31,7 @@
 #include <signal.h>
 
 #include "memory.h"
+#include "vrf.h"
 #include "filter.h"
 #include "vty.h"
 #include "sigevent.h"
@@ -203,6 +204,7 @@
   cmd_init(1);
   vty_init(master);
   memory_init();
+  vrf_init();
   access_list_init();
   pim_init();
 
diff --git a/pimd/pimd.c b/pimd/pimd.c
index 855defc..78c3ff5 100644
--- a/pimd/pimd.c
+++ b/pimd/pimd.c
@@ -24,6 +24,7 @@
 
 #include "log.h"
 #include "memory.h"
+#include "vrf.h"
 
 #include "pimd.h"
 #include "pim_cmd.h"
@@ -130,12 +131,12 @@
   qpim_infinite_assert_metric.route_metric      = PIM_ASSERT_ROUTE_METRIC_MAX;
   qpim_infinite_assert_metric.ip_address        = qpim_inaddr_any;
 
-  pim_if_init();
   pim_cmd_init();
   pim_ssmpingd_init();
 }
 
 void pim_terminate()
 {
+  vrf_terminate();
   pim_free();
 }