Re: hostap TX fix in 5.x [Fwd: Re: wi hostap speed]

From: Jiri Mikulas <konfer_at_mikulas.com>
Date: Mon, 17 May 2004 08:26:44 +0200
Thanks!
for your time ;)
Jiri

James Bowman wrote:

>I spent a few hours tinkering (tampering?) with this driver, and have not
>exactly a fix, but a clear indication of what the problem is.
>
>Verified (using the quick hack below): download speed geoes up from 170
>kbytes/sec to 470 kbytes/sec, which is what I'd expect on an 11Mbps network.
>
>If anyone's interested, here it is:
>
>The Intersil manual on page 4-28 says that transmit packets need to have their
>TxRate field filled in with 10,20,55 or 110, depending on the transmission speed.
>
>The 4.X driver sets the field tx_frame.wi_tx_rate in function
>wihap_check_tx(), called from wi_start().
>
>The 5.X driver calls this field frmhdr.wi_tx_rate, but leaves it zero.
>If you want to run at 11MBps, add a line
>                  frmhdr.wi_tx_rate = 110;
>in wi_start(), just before the call to wi_write_bap().
>
>(Obviously, this is just a cheesy hack.  The real code would have to find the
>actual tx rate.  I just want to point out where the problem lies).
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>
Received on Sun May 16 2004 - 21:26:49 UTC

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