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From: Dave <kilroyd@googlemail.com>
To: Dan Williams <dcbw@redhat.com>
Cc: Pavel Roskin <proski@gnu.org>,
	linux-wireless@vger.kernel.org,
	orinoco-devel@lists.sourceforge.net
Subject: Re: [PATCH 01/19] orinoco: Add ESSID specific scanning for Agere fw
Date: Thu, 07 Aug 2008 19:43:43 +0100	[thread overview]
Message-ID: <489B425F.5060704@gmail.com> (raw)
In-Reply-To: <1218077300.30724.10.camel@localhost.localdomain>

Dan Williams wrote:
> On Wed, 2008-08-06 at 22:08 +0100, Dave wrote:
>> Dan Williams wrote:
>>> Well, since the driver supports SSID scanning, we can use ap_scan=1
>>> anyway.  ap_scan=2 is actually pretty evil since it depends on WEXT
>>> ordering and whatnot.
>>
>> ap_scan=1 requires the use of SIOCSIWWAP (to set desired BSSID), which
>> the Agere firmware doesn't support. The firmware only supports setting a
>> desired SSID (via SIOCSIWESSID), so Agere based orinoco is stuck with
>> ap_scan=2 :(
>>
>> Symbol and Intersil don't have this problem.
> 
> In practice that shouldn't be a problem because drivers (at least
> ipw2200 does this) usually roam BSSIDs anyway.  Technically a bug I
> think.  But honestly, the driver needs to work with ap_scan=1 and I
> don't see why it couldn't.

I had a reread of <http://hostap.epitest.fi/wpa_supplicant/devel/driver_wrapper.html>. 

As a FullMAC driver without support for selecting the BSSID to associate with (or frequency in Managed mode), the only way I can see to make the driver work with ap_scan=1 is to silently ignore the SIOCSIWFREQ and SIOCSIWAP. I don't think this is an approach I would want to pursue.

That said, what's wrong with the ap_scan=2 mode? You've stated it's not great (and I'm prepared to believe it), but what is the actual problem?



Dave.

  reply	other threads:[~2008-08-07 18:43 UTC|newest]

Thread overview: 75+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-08-02 10:14 [PATCH 00/19] orinoco: WPA for Agere based cards kilroyd
2008-08-02 10:14 ` [PATCH 01/19] orinoco: Add ESSID specific scanning for Agere fw kilroyd
2008-08-02 10:14   ` [PATCH 02/19] orinoco: Update scan translation kilroyd
2008-08-02 10:14     ` [PATCH 03/19] orinoco: Specify all three parameters to every Hermes command kilroyd
2008-08-02 10:14       ` [PATCH 04/19] orinoco: Move EXPORT_SYMBOL declarations next to exported function kilroyd
2008-08-02 10:14         ` [PATCH 05/19] orinoco: Add function to execute Hermes initialisation commands synchronously kilroyd
2008-08-02 10:14           ` [PATCH 06/19] orinoco: Move firmware download functionality into new module kilroyd
2008-08-02 10:14             ` [PATCH 07/19] orinoco: Make firmware download logic more generic kilroyd
2008-08-02 10:14               ` [PATCH 08/19] orinoco: Extend hermes_dld routines for Agere firmware kilroyd
2008-08-02 10:14                 ` [PATCH 09/19] orinoco: Invoke firmware download in main driver kilroyd
2008-08-02 10:14                   ` [PATCH 10/19] orinoco: Fix transmit for Agere/Lucent with fw 9.x kilroyd
2008-08-02 10:14                     ` [PATCH 11/19] orinoco: address checkpatch typedef warning kilroyd
2008-08-02 10:14                       ` [PATCH 12/19] orinoco: Use extended Agere scans available on 9.x series firmwares kilroyd
2008-08-02 10:14                         ` [PATCH 13/19] orinoco: Don't use boolean parameter to record encoding type kilroyd
2008-08-02 10:14                           ` [PATCH 14/19] orinoco: Split wevent work thread from wevent sending kilroyd
2008-08-02 10:14                             ` [PATCH 15/19] orinoco: Use a macro to define wireless handlers kilroyd
2008-08-02 10:14                               ` [PATCH 16/19] orinoco: Add WE-18 ioctls for WPA kilroyd
2008-08-02 10:14                                 ` [PATCH 17/19] orinoco: Send association events to userspace kilroyd
2008-08-02 10:14                                   ` [PATCH 18/19] orinoco: Process bulk of receive interrupt in a tasklet kilroyd
2008-08-02 10:14                                     ` [PATCH 19/19] orinoco: Add MIC on TX and check on RX kilroyd
2008-08-02 10:22                               ` [PATCH 15/19] orinoco: Use a macro to define wireless handlers kilroyd
2008-08-04  4:48   ` [PATCH 01/19] orinoco: Add ESSID specific scanning for Agere fw Pavel Roskin
2008-08-04 15:34     ` Dan Williams
2008-08-05 16:22       ` Jean Tourrilhes
2008-09-02 23:06         ` Jean Tourrilhes
2008-09-08 12:48           ` Pavel Roskin
2008-09-08 16:45             ` Jean Tourrilhes
2008-09-08 18:32             ` Jean Tourrilhes
2008-09-09 18:37               ` Dave
2008-09-09 19:33                 ` Jean Tourrilhes
2008-09-09 21:20                   ` Tomas Winkler
2008-09-09 21:44                     ` Jean Tourrilhes
2008-09-13  4:17               ` Pavel Roskin
2008-09-15 21:17                 ` Jean Tourrilhes
2008-08-05 21:15       ` Pavel Roskin
2008-08-05 21:50         ` Dave
2008-08-05 21:55         ` Dan Williams
2008-08-05 22:48           ` Pavel Roskin
2008-08-06 13:13             ` Dan Williams
2008-08-06 13:48               ` Pavel Roskin
2008-08-06 19:26                 ` Dave
2008-08-06 19:29               ` Dave
2008-08-06 20:56                 ` Dan Williams
2008-08-06 21:03                   ` Dan Williams
2008-08-06 21:08                   ` Dave
2008-08-07  2:48                     ` Dan Williams
2008-08-07 18:43                       ` Dave [this message]
2008-08-07 19:42                         ` Dan Williams
2008-08-07 20:17                           ` Dave
2008-08-07 20:46                             ` Dan Williams
2008-08-07 21:08                           ` Dave
2008-08-08 14:51                             ` Dan Williams
2008-08-04  3:57 ` [PATCH 00/19] orinoco: WPA for Agere based cards Pavel Roskin
2008-08-04 23:09   ` Dave
2008-08-04 23:28     ` Dan Williams
2008-08-06  0:37       ` Pavel Roskin
2008-08-06 18:33         ` Dave
2008-08-06 21:01           ` Dan Williams
2008-08-07  8:06             ` Jouni Malinen
2008-08-06 21:28         ` [PATCH 12/19] orinoco: Use extended Agere scans available on 9.x series firmwares kilroyd
2008-08-05 22:38     ` [Orinoco-devel] [PATCH 00/19] orinoco: WPA for Agere based cards Pavel Roskin
2008-08-08  0:02       ` Dave
2008-08-05 22:59     ` Pavel Roskin
2008-08-05 23:46       ` Dave
2008-08-06  0:41         ` [Orinoco-devel] " Pavel Roskin
2008-08-05 22:22   ` [PATCH 07/19] orinoco: Make firmware download logic more generic kilroyd
2008-08-05 22:22     ` [PATCH 09/19] orinoco: Invoke firmware download in main driver kilroyd
2008-08-05 22:22       ` [PATCH 12/19] orinoco: Use extended Agere scans available on 9.x series firmwares kilroyd
2008-08-20 19:28 ` [PATCH 00/19] orinoco: WPA for Agere based cards John W. Linville
2008-08-20 20:49   ` Dave
2008-08-20 21:06     ` Larry Finger
2008-08-20 21:07     ` Johannes Berg
2008-08-20 21:22       ` Johannes Berg
2008-08-20 23:07         ` Dave
2008-08-21  6:42           ` Johannes Berg

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