Date: Tue, 11 Mar 2014 11:03:20 -0700 From: Adrian Chadd <adrian@freebsd.org> To: Tom Murphy <freebsd@pertho.net> Cc: Alexandr <shuriku@shurik.kiev.ua>, freebsd-current <freebsd-current@freebsd.org>, "freebsd-wireless@freebsd.org" <freebsd-wireless@freebsd.org> Subject: Re: iwn(4) in -HEAD supporting Centrino Wireless-N 135 Message-ID: <CAJ-Vmo=4c5q6r36RnNorMhVmJKA9yqydZiMoJ=Rcky8zphscAQ@mail.gmail.com> In-Reply-To: <CAJ-Vmokcs-rdHTMGGSi80JcrMSszLyzuC=KDFgZ33zMZbXZPJw@mail.gmail.com> References: <20140226123709.GA31099@syn.pertho.net> <CAJ-Vmom=b5tPTh1qWNG=zV5qM=Wzf1BRe5%2B2-ndrR648NSFmkw@mail.gmail.com> <530EE7F4.3080903@shurik.kiev.ua> <CAJ-VmomsEdS5nm8rX6245rAEhVxWeOc4aO9AYrmEBHuUKHG=Tw@mail.gmail.com> <530EEEA5.4090306@shurik.kiev.ua> <CAJ-VmonApR_rXWQJm=M7mHkNe=PsTChKebMHrzy19Cg-aTkexA@mail.gmail.com> <20140228230705.GA28290@syn.pertho.net> <CAJ-Vmokcs-rdHTMGGSi80JcrMSszLyzuC=KDFgZ33zMZbXZPJw@mail.gmail.com>
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I still don't have any ideas here. I do however want to try hacking the driver to transmit EAPOL frames at the management rate, and then ensure the management rate is non-MCS. -a On 28 February 2014 15:14, Adrian Chadd <adrian@freebsd.org> wrote: > Hi, > > the interesting bits: > > > Feb 28 22:55:22 kernel: iwn_tx_data: qid 3 idx 3 len 129 nsegs 2 rate > 0002 plcp 0x0000420a > Feb 28 22:55:22 kernel: iwn_tx_data: qid 3 idx 4 len 129 nsegs 2 rate > 0002 plcp 0x0000420a > Feb 28 22:55:22 kernel: iwn5000_tx_done: qid 3 idx 3 retries 16 nkill > 0 rate 80006902 duration 2815 status 83 > Feb 28 22:55:22 kernel: iwn5000_tx_done: qid 3 idx 4 retries 16 nkill > 0 rate 80006902 duration 2815 status 83 > Feb 28 22:55:23 kernel: iwn_tx_data: qid 3 idx 5 len 129 nsegs 2 rate > 0002 plcp 0x0000420a > Feb 28 22:55:23 kernel: iwn_tx_data: qid 3 idx 6 len 129 nsegs 2 rate > 0002 plcp 0x0000420a > Feb 28 22:55:23 kernel: iwn5000_tx_done: qid 3 idx 5 retries 16 nkill > 0 rate 80006902 duration 2815 status 83 > Feb 28 22:55:23 kernel: iwn5000_tx_done: qid 3 idx 6 retries 16 nkill > 0 rate 80006902 duration 2815 status 83 > Feb 28 22:55:24 kernel: iwn_tx_data: qid 3 idx 7 len 129 nsegs 2 rate > 0002 plcp 0x0000420a > Feb 28 22:55:24 kernel: iwn_tx_data: qid 3 idx 8 len 129 nsegs 2 rate > 0002 plcp 0x0000420a > Feb 28 22:55:24 kernel: iwn5000_tx_done: qid 3 idx 7 retries 16 nkill > 0 rate 80006902 duration 2815 status 83 > Feb 28 22:55:24 kernel: iwn5000_tx_done: qid 3 idx 8 retries 16 nkill > 0 rate 80006902 duration 2815 status 83 > > .. so it's failing to transmit the management frames after association > - they're being transmitted at MCS0 and the AP is just plain not > ACKing them. > > Now, I don't know why this is. It's trying to transmit the initial > frame at non-MCS rates, but I have a feeling the multi-rate retry > table thing is confusing it and it's trying to send it as MCS. So > maybe the AP doesn't like management frames at MCS rates. > > I'll have to think about this a little. > > -a > > > On 28 February 2014 15:07, Tom Murphy <freebsd@pertho.net> wrote: >> I've attached my iwn debug messages to this email starting >> with the point I tried to associate to the Wifi. >> >> Thanks again for looking at this! >> >> Kind regards, >> Tom >> >> On Thu, Feb 27, 2014 at 12:13:51PM -0800, Adrian Chadd wrote: >>> On 26 February 2014 23:52, Alexandr <shuriku@shurik.kiev.ua> wrote: >>> > Tom, could you: >>> > >>> > 1. compile kernel WITH_IWNDEBUG >>> > 2. sysctl dev.iwn.0.debug=0x1 >>> > 3. wlandebug -i wlan0 auth+assoc >>> > 4. Associate with AP in 11n mode >>> > 5. Send us appropriate /var/log/messages >>> > >>> > Then I try to compare it with my log. >>> >>> Please do. I've been trying to track down the source of this "ht just >>> doesn't work!" but it works fine with all of the Intel NICs I have >>> here. >>> >>> Can someone see if they can find a mtaching NIC online (amazon,ebay?) >>> Owning one that I can whack in a laptop is likely going ot help things >>> a lot. >>> >>> Thanks, >>> >>> >>> -a
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