zebra: wire up "debug zebra packet detail"

There was no way to actually set ZEBRA_DEBUG_DETAIL, even though some
debug output was conditional to it.  Add CLI command.

Signed-off-by: Lou Berger <lberger@labn.net>
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
diff --git a/zebra/debug.c b/zebra/debug.c
index c3b00e0..537c476 100644
--- a/zebra/debug.c
+++ b/zebra/debug.c
@@ -104,7 +104,7 @@
 
 DEFUN (debug_zebra_packet_direct,
        debug_zebra_packet_direct_cmd,
-       "debug zebra packet (recv|send)",
+       "debug zebra packet (recv|send|detail)",
        DEBUG_STR
        "Zebra configuration\n"
        "Debug option set for zebra packet\n"
@@ -116,7 +116,8 @@
     zebra_debug_packet |= ZEBRA_DEBUG_SEND;
   if (strncmp ("recv", argv[0], strlen (argv[0])) == 0)
     zebra_debug_packet |= ZEBRA_DEBUG_RECV;
-  zebra_debug_packet &= ~ZEBRA_DEBUG_DETAIL;
+  if (strncmp ("detail", argv[0], strlen (argv[0])) == 0)
+    zebra_debug_packet |= ZEBRA_DEBUG_DETAIL;
   return CMD_SUCCESS;
 }