Date: Mon, 17 May 2004 08:26:44 +0200 From: Jiri Mikulas <konfer@mikulas.com> To: jamesb@acelere.net Cc: current@freebsd.org Subject: Re: hostap TX fix in 5.x [Fwd: Re: wi hostap speed] Message-ID: <40A85B24.1000300@mikulas.com> In-Reply-To: <20040516210816.M45998@acelere.net> References: <20040516210816.M45998@acelere.net>
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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). >_______________________________________________ >freebsd-current@freebsd.org mailing list >http://lists.freebsd.org/mailman/listinfo/freebsd-current >To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org" > >
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