From: Dan Williams <dcbw@redhat.com>
To: "John W. Linville" <linville@tuxdriver.com>
Cc: Jose Alonso <joalonsof@gmail.com>,
matthieu castet <castet.matthieu@free.fr>,
linux-wireless@vger.kernel.org
Subject: Re: [PATCH] airo : Print of firmware version
Date: Thu, 04 Mar 2010 08:10:45 -0800 [thread overview]
Message-ID: <1267719045.22699.7.camel@localhost.localdomain> (raw)
In-Reply-To: <1267718815.22699.6.camel@localhost.localdomain>
On Thu, 2010-03-04 at 08:06 -0800, Dan Williams wrote:
> On Wed, 2010-03-03 at 21:20 -0500, John W. Linville wrote:
> > On Wed, Mar 03, 2010 at 08:12:53PM -0300, Jose Alonso wrote:
> > > On Wed, 2010-03-03 at 15:14 -0500, John W. Linville wrote:
> > > > On Sun, Feb 28, 2010 at 03:42:54PM +0100, matthieu castet wrote:
> > > > > For the firmware version 5.30.17 the log file shows:
> > > > > Firmware version 5.30.11
> > > > >
> > > > > The variable softSubVer is binary.
> > > > >
> > > > >
> > > > > Signed-off-by: Matthieu CASTET <castet.matthieu@free.fr>
> > > > > Signed-off-by: Jose Alonso <joalonsof@gmail.com>
> > > >
> > > > > Index: airo.c
> > > > > ===================================================================
> > > > > --- 1/drivers/net/wireless/airo.c (r?vision 47)
> > > > > +++ 2/drivers/net/wireless/airo.c (r?vision 48)
> > > > > @@ -2993,7 +2993,7 @@
> > > > > ai->wep_capable = (cap_rid.softCap & cpu_to_le16(0x02)) ? 1 : 0;
> > > > > ai->max_wep_idx = (cap_rid.softCap & cpu_to_le16(0x80)) ? 3 : 0;
> > > > >
> > > > > - airo_print_info(dev->name, "Firmware version %x.%x.%02x",
> > > > > + airo_print_info(dev->name, "Firmware version %x.%x.%02d",
> > > > > ((le16_to_cpu(cap_rid.softVer) >> 8) & 0xF),
> > > > > (le16_to_cpu(cap_rid.softVer) & 0xFF),
> > > > > le16_to_cpu(cap_rid.softSubVer));
> > > >
> > > > Why should the last segment be in decimal form if the other two
> > > > segments of the version number are in hexadecimal form?
> > >
> > > The airo.c shows the usage of hexadecimal and binary form:
> > >
> > > /* Test for WPA support */
> > > /* Only firmware versions 5.30.17 or better can do WPA */
> > > if (le16_to_cpu(cap_rid.softVer) > 0x530
> > > || (le16_to_cpu(cap_rid.softVer) == 0x530
> > > && le16_to_cpu(cap_rid.softSubVer) >= 17)) {
> > > airo_print_info(ai->dev->name, "WPA supported.");
> >
> > Alright, but that could be an argument for changing the comment.
> > Probably too much to ask, but is there some authoritative source for
> > this busted numbering scheme?
>
> Not really, you flash a certain known version of firmware onto the
> device in Windows, then see what Linux supports. I'll see if I can
> check my card out and see what I come up with.
s/supports/reports.
Dan
prev parent reply other threads:[~2010-03-04 16:10 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-02-28 14:42 [PATCH] airo : Print of firmware version matthieu castet
2010-03-03 20:14 ` John W. Linville
2010-03-03 23:12 ` Jose Alonso
2010-03-04 2:20 ` John W. Linville
2010-03-04 16:06 ` Dan Williams
2010-03-04 16:10 ` Dan Williams [this message]
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