From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-fx0-f218.google.com ([209.85.220.218]:44114 "EHLO mail-fx0-f218.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759168AbZGINUJ convert rfc822-to-8bit (ORCPT ); Thu, 9 Jul 2009 09:20:09 -0400 Received: by fxm18 with SMTP id 18so163377fxm.37 for ; Thu, 09 Jul 2009 06:20:07 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: <4A55DB91.2070305@fgan.de> References: <4A55DB91.2070305@fgan.de> Date: Thu, 9 Jul 2009 17:20:07 +0400 Message-ID: <73aaf0dd0907090620i752b7f9cq60563f8e22c02d75@mail.gmail.com> Subject: Re: Problem with p54 driver and ibss mode From: Max Filippov To: Alexander Wenzel Cc: linux-wireless@vger.kernel.org Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-wireless-owner@vger.kernel.org List-ID: On Thu, Jul 9, 2009 at 3:59 PM, Alexander Wenzel wrote: > Hi! > I'm trying to get the latest p54 wireless drivers (ad-hoc mode) > to work on a Nokia N810... So far, without any success. > > Some words about my scenario: > - Nokia N810 running a custom omap1 kernel >  (linux-omap-2.6.git / tag: "v2.6.29-omap1") >  Patched keyboard (board-n800.c) and usb driver (usb-tusb6010.c) >  to get it working... > > - Installed Mer (Ubuntu 9.04) on an external mmc 4GB card >  Patched the bootmenu stuff to get rid of static /dev/ nodes problem >  which come up with the new kernel... > > - compiled compat wireless drivers 2009-07-09 >  disabled CONFIG_RFKILL_BACKPORT_LEDS because it didn't compile > > - A second N810 running debian and nokias 2.6.21er kernel >  Ad-hoc mode is active. (ad-hoc is working, tested with some >  other N810 devices) > > After all these preparations, patching and workaround stuff, > i finally inserted the wireless modules into the kernel > (rfkill_backport, cfg80211, mac80211, p54common, p54spi) > dmesg looks fine so far: > [ 3671.237365] cfg80211: Using static regulatory domain info > [ 3671.237396] cfg80211: Regulatory domain: US > [ 3671.237426]  (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp) > [ 3671.237457]  (2402000 KHz - 2472000 KHz @ 40000 KHz), (600 mBi, 2700 mBm) > [ 3671.237487]  (5170000 KHz - 5190000 KHz @ 40000 KHz), (600 mBi, 2300 mBm) > [ 3671.237518]  (5190000 KHz - 5210000 KHz @ 40000 KHz), (600 mBi, 2300 mBm) > [ 3671.237548]  (5210000 KHz - 5230000 KHz @ 40000 KHz), (600 mBi, 2300 mBm) > [ 3671.237579]  (5230000 KHz - 5330000 KHz @ 40000 KHz), (600 mBi, 2300 mBm) > [ 3671.237609]  (5735000 KHz - 5835000 KHz @ 40000 KHz), (600 mBi, 3000 mBm) > [ 3671.238555] cfg80211: Calling CRDA for country: US > [ 3685.186523] cx3110x spi2.0: firmware: requesting 3826.arm > [ 3685.265045] phy0: p54 detected a LM20 firmware > [ 3685.265106] p54: rx_mtu reduced from 3240 to 2376 > [ 3685.265106] phy0: FW rev 2.13.0.0.a.22.8 - Softmac protocol 5.6 > [ 3685.265136] phy0: cryptographic accelerator WEP:YES, TKIP:YES, CCMP:YES > [ 3685.265197] cx3110x spi2.0: firmware: requesting 3826.eeprom > [ 3685.320800] cx3110x spi2.0: loading default eeprom... > [ 3685.320922] phy0: hwaddr 00:02:ee:c0:ff:ee, MAC:isl3820 RF:Longbow > [ 3685.455108] phy0: Selected rate control algorithm 'minstrel' > [ 3685.456787] Registered led device: p54-phy0::assoc > [ 3685.457031] Registered led device: p54-phy0::tx > [ 3685.457275] Registered led device: p54-phy0::rx > [ 3685.457489] Registered led device: p54-phy0::radio > [ 3685.457550] cx3110x spi2.0: is registered as 'phy0' > > Monitor mode is also working. Here are some beacons from my second device: > 00:01:37.463744 51669459us tsft 1.0 Mb/s 2462 MHz (0x00a0) 30dB signal -63dB noise antenna 0 [0x0000000e] Beacon (rita) [1.0* 2.0* 5.5 11.0 Mbit] IBSS CH: 11 > 00:01:37.566100 51771860us tsft 1.0 Mb/s 2462 MHz (0x00a0) 29dB signal -63dB noise antenna 0 [0x0000000e] Beacon (rita) [1.0* 2.0* 5.5 11.0 Mbit] IBSS CH: 11 > 00:01:37.668517 51874300us tsft 1.0 Mb/s 2462 MHz (0x00a0) 30dB signal -63dB noise antenna 0 [0x0000000e] Beacon (rita) [1.0* 2.0* 5.5 11.0 Mbit] IBSS CH: 11 > > After this short test, i switched the driver into ad-hoc mode, > setup the essid, channel and assigned an ip address... I tried > to ping, tcpdump, whatsoever... nothing happens. Driver statistics > are also frozen (in monitor mode the rx stats incr.). > The only hints to the problem are: > - this repeating kernel msg: > [...cut...] > [ 3905.535125] WARNING: at /home/wen/work/NokiaN810/compat-wireless-2009-07-09/net/mac80211/sta_info.c:339 sta_info_insert+0x7c/0x15c [mac80211]() > [ 3905.535186] Modules linked in: p54spi p54common mac80211 cfg80211 rfkill_backport > [ 3905.535247] [] (dump_stack+0x0/0x14) from [] (warn_slowpath+0x70/0x8c) > [ 3905.535308] [] (warn_slowpath+0x0/0x8c) from [] (sta_info_insert+0x7c/0x15c [mac80211]) > [ 3905.535522]  r3:00000000 r2:00000000 > [ 3905.535552]  r7:c53a4200 r6:c7e65800 r5:0000c0ee r4:c5303b60 > [ 3905.535583] [] (sta_info_insert+0x0/0x15c [mac80211]) from [] (ieee80211_ibss_add_sta+0x114/0x130 [mac80211]) > [ 3905.535919]  r7:c7d9442e r6:c7e65800 r5:c53a4200 r4:c7e65800 > [ 3905.535949] [] (ieee80211_ibss_add_sta+0x0/0x130 [mac80211]) from [] (ieee80211_rx_bss_info+0x120/0x160 [mac80211]) > [ 3905.536407] [] (ieee80211_rx_bss_info+0x0/0x160 [mac80211]) from [] (ieee80211_ibss_rx_queued_mgmt+0x1f4/0x274 [mac80211]) > [ 3905.536743] [] (ieee80211_ibss_rx_queued_mgmt+0x0/0x274 [mac80211]) from [] (ieee80211_ibss_work+0x74/0x198 [mac80211]) > [ 3905.537048] [] (ieee80211_ibss_work+0x0/0x198 [mac80211]) from [] (run_workqueue+0xac/0x124) > [ 3905.537261]  r5:c53ac000 r4:c53a7a80 > [ 3905.537292] [] (run_workqueue+0x0/0x124) from [] (worker_thread+0x104/0x118) > [ 3905.537353]  r7:c53a7a88 r6:c53adfa4 r5:c53ac000 r4:c53a7a80 > [ 3905.537384] [] (worker_thread+0x0/0x118) from [] (kthread+0x58/0x94) > [ 3905.537475]  r7:00000000 r6:c53a7a80 r5:c00648d8 r4:c53ac000 > [ 3905.537506] [] (kthread+0x0/0x94) from [] (do_exit+0x0/0x67c) > [ 3905.537567]  r7:00000000 r6:00000000 r5:00000000 r4:00000000 > [ 3905.537597] ---[ end trace 09523b411832988b ]--- > [...cut...] > > - and the fact, that the device is up, but not "running" > # ifconfig wlan0 > wlan0     Link encap:Ethernet  HWaddr 00:02:ee:c0:ff:ee >          inet addr:10.0.59.34  Bcast:10.0.59.255  Mask:255.255.255.0 >          UP BROADCAST MULTICAST  MTU:1500  Metric:1 >          RX packets:550 errors:0 dropped:0 overruns:0 frame:0 >          TX packets:18 errors:0 dropped:0 overruns:0 carrier:0 >          collisions:0 txqueuelen:1000 >          RX bytes:58779 (58.7 KB)  TX bytes:1080 (1.0 KB) > > # iwconfig wlan0 > wlan0     IEEE 802.11bg  ESSID:"rita" >          Mode:Ad-Hoc  Frequency:2.462 GHz  Cell: 1A:7E:4B:A7:14:45 >          Tx-Power=27 dBm >          Retry  long limit:7   RTS thr:off   Fragment thr:off >          Encryption key:off >          Power Management:off > > If you have any ideas, or patches or infos, > i'll be happy to try these and give some feedback :) > > Regards, > AleX > > ps: If you need further infos, just let me know... > -- > ********************************************** > Dipl.-Inform. (FH) Alexander Wenzel > Forschungsgesellschaft fuer > Angewandte Naturwissenschaften e. V. (FGAN) > Neuenahrer Str. 20, 53343 Wachtberg, Germany > Tel.  : 0049 (0)228 9435-263 > Fax   : 0049 (0)228 9435-685 > E-Mail: wenzel@fgan.de > Web   : http://www.fgan.de/ > ********************************************** > Sitz der Gesellschaft: Bonn > Registergericht: Amtsgericht Bonn VR 2530 > Vorstand: Prof. Dr. Maurus Tacke (komm. Vors.) >          Prof. Dr. Joachim Ender (Stellv.) > -- > To unsubscribe from this list: send the line "unsubscribe linux-wireless" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at  http://vger.kernel.org/majordomo-info.html > Hello. > [ 3905.535125] WARNING: at /home/wen/work/NokiaN810/compat-wireless-2009-07-09/net/mac80211/sta_info.c:339 sta_info_insert+0x7c/0x15c [mac80211]() As far as I can see, this is check that incoming STA and your STA have different MAC addresses. If you don't set up MAC manually on both devices and make it unique, chances high that they are equal. -- Max