support turning off all queueing

diff --git a/python/bwlimit.py b/python/bwlimit.py
index 18fdaac..7b3cf05 100644 (file)
--- a/python/bwlimit.py
+++ b/python/bwlimit.py
@@ -154,24 +154,24 @@ default_share = 1
 # be off by a small fraction.
 suffixes = {
     "":         1,
-    "bit":     1,
-    "kibit":   1024,
-    "kbit":    1000,
-    "mibit":   1024*1024,
-    "mbit":    1000000,
-    "gibit":   1024*1024*1024,
-    "gbit":    1000000000,
-    "tibit":   1024*1024*1024*1024,
-    "tbit":    1000000000000,
-    "bps":     8,
-    "kibps":   8*1024,
-    "kbps":    8000,
-    "mibps":   8*1024*1024,
-    "mbps":    8000000,
-    "gibps":   8*1024*1024*1024,
-    "gbps":    8000000000,
-    "tibps":   8*1024*1024*1024*1024,
-    "tbps":    8000000000000
+    "bit":      1,
+    "kibit":    1024,
+    "kbit":     1000,
+    "mibit":    1024*1024,
+    "mbit":     1000000,
+    "gibit":    1024*1024*1024,
+    "gbit":     1000000000,
+    "tibit":    1024*1024*1024*1024,
+    "tbit":     1000000000000,
+    "bps":      8,
+    "kibps":    8*1024,
+    "kbps":     8000,
+    "mibps":    8*1024*1024,
+    "mbps":     8000000,
+    "gibps":    8*1024*1024*1024,
+    "gbps":     8000000000,
+    "tibps":    8*1024*1024*1024*1024,
+    "tbps":     8000000000000
 }
 
 
@@ -321,6 +321,13 @@ def tc(cmd):
     return run(TC + " " + cmd)
 
 
+def stop(dev = dev):
+    '''
+    Turn off all queing.  Stops all slice HTBS and reverts to pfifo_fast (the default).
+    '''
+    tc("qdisc del dev %s root" % dev)
+
+
 def init(dev = dev, bwcap = bwmax):
     """
     (Re)initialize the bandwidth limits on this node
@@ -617,7 +624,7 @@ Usage:
 %s [OPTION]... [COMMAND] [ARGUMENT]...
 
 Options:
-       -d device       Network interface (default: %s)
+        -d device   Network interface (default: %s)
         -r rate         Node bandwidth cap (default: %s)
         -q quantum      Share multiplier (default: %d bytes)
         -n              Print rates in numeric bits per second