[Ns-bugs] [Bug 199] ProbeRequestTimeout too large

[bugzilla-daemon@nsnam-www.ece.gatech.edu]

http://www.nsnam.org/bugzilla/show_bug.cgi?id=199





------- Comment #1 from gjcarneiro at gmail.com  2008-06-03 14:19 -------
diff -r 362f1a144828 src/devices/wifi/nqsta-wifi-mac.cc
--- a/src/devices/wifi/nqsta-wifi-mac.cc        Tue Jun 03 18:15:08 2008 +0100
+++ b/src/devices/wifi/nqsta-wifi-mac.cc        Tue Jun 03 19:17:12 2008 +0100
@@ -63,7 +63,7 @@ NqstaWifiMac::GetTypeId (void)
     .SetParent<WifiMac> ()
     .AddConstructor<NqstaWifiMac> ()
     .AddAttribute ("ProbeRequestTimeout", "XXX",
-                   TimeValue (Seconds (0.5)),
+                   TimeValue (Seconds (0.05)),
                    MakeTimeAccessor (&NqstaWifiMac::m_probeRequestTimeout),
                    MakeTimeChecker ())
     .AddAttribute ("AssocRequestTimeout", "XXX",



PS: the reason why this value is critical is because it affects how much time
it takes to do an active scanning sweeping all the 12 or so WiFi channels
available.  I am no WiFi expert, but as far as I know the STA needs to spend at
least ProbeRequestTimeout in each channel; mutiply that time by 12, and...


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