bgpd: Advertise FIB installed routes to bgp peers (Part 1)

Issue:
The bgp routes learnt from peers which are not installed in kernel are
advertised to peers. This can cause routers to send traffic to these
destinations only to get dropped. The fix is to provide a configurable
option "bgp suppress-fib-pending". When the option is enabled, bgp will
advertise routes only if it these are successfully installed in kernel.

Fix (Part1) :
* Added message ZEBRA_ROUTE_NOTIFY_REQUEST used by client to request
  FIB install status for routes
* Added AFI/SAFI to ZAPI messages
* Modified the functions zapi_route_notify_decode(), zsend_route_notify_owner()
  and route_notify_internal() to include AFI, SAFI as parameters

Signed-off-by: kssoman <somanks@gmail.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/lib/log.c b/lib/log.c
index b629658f7..7b37ba7f2 100644
--- a/lib/log.c
+++ b/lib/log.c
@@ -455,7 +455,8 @@ static const struct zebra_desc_table command_types[] = {
 	DESC_ENTRY(ZEBRA_NEIGH_DISCOVER),
 	DESC_ENTRY(ZEBRA_NHG_ADD),
 	DESC_ENTRY(ZEBRA_NHG_DEL),
-	DESC_ENTRY(ZEBRA_NHG_NOTIFY_OWNER)};
+	DESC_ENTRY(ZEBRA_NHG_NOTIFY_OWNER),
+	DESC_ENTRY(ZEBRA_ROUTE_NOTIFY_REQUEST)};
 #undef DESC_ENTRY
 
 static const struct zebra_desc_table unknown = {0, "unknown", '?'};