From owner-freebsd-hackers@FreeBSD.ORG Wed Sep 15 04:24:35 2004 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 3684216A4CE for ; Wed, 15 Sep 2004 04:24:35 +0000 (GMT) Received: from ebb.errno.com (ebb.errno.com [66.127.85.87]) by mx1.FreeBSD.org (Postfix) with ESMTP id D271843D5E for ; Wed, 15 Sep 2004 04:24:34 +0000 (GMT) (envelope-from sam@errno.com) Received: from [66.127.85.89] ([66.127.85.89]) (authenticated bits=0) by ebb.errno.com (8.12.9/8.12.6) with ESMTP id i8F4OYWi037933 (version=TLSv1/SSLv3 cipher=RC4-SHA bits=128 verify=NO); Tue, 14 Sep 2004 21:24:34 -0700 (PDT) (envelope-from sam@errno.com) In-Reply-To: <1095207831.16006.10.camel@localhost> References: <41475335.5020507@slackdot.org> <200409141621.52897.sam@errno.com> <1095207831.16006.10.camel@localhost> Mime-Version: 1.0 (Apple Message framework v619) Content-Type: text/plain; charset=US-ASCII; format=flowed Message-Id: <26CB460B-06CF-11D9-A154-000A95AD0668@errno.com> Content-Transfer-Encoding: 7bit From: Sam Leffler Date: Tue, 14 Sep 2004 21:24:36 -0700 To: Rob Deker X-Mailer: Apple Mail (2.619) X-Mailman-Approved-At: Wed, 15 Sep 2004 12:34:11 +0000 cc: freebsd-hackers@freebsd.org Subject: Re: Parameters passed to ath_hal_setuptxdesc() from ath(4) X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 15 Sep 2004 04:24:35 -0000 On Sep 14, 2004, at 5:23 PM, Rob Deker wrote: > On Tue, 2004-09-14 at 19:21, Sam Leffler wrote: > >>> ~ - Is this a function of the HAL? >> >> hardware (but only 5210 parts need it). >> >>> ~ - If so, does the header length parameter to ath_hal_setuptxdesc() >>> tell the HAL how many bytes it needs to send at a slower rate? >>> ~ - If the answers to the first two questions were "yes", and I >>> wanted >>> to provide a mechanism for the application programmer to specify >>> his/her header length, what (if any) are the limits imposed on this >>> parameter by the HAL? >> >> hdrLen <= pktLen probably; though I'm not sure a 5210 would care what >> you >> supplied. >> > So if it were to have an "incorrect" value would listening STAs still > properly recieve the packet? I have no idea, try it. > Also, on a related note, is the txpower parameter actually honored? I > noted that it's hardcoded to '60' and wondered. per-packet TPC is not working right now. Sam