Skip site navigation (1)Skip section navigation (2)
Date:      Sun, 1 Feb 2009 11:18:51 -0800
From:      Andrew Thompson <thompsa@FreeBSD.org>
To:        Hans Petter Selasky <hselasky@c2i.net>
Cc:        freebsd-usb@freebsd.org
Subject:   Re: USB2 patches
Message-ID:  <20090201191851.GE32503@citylink.fud.org.nz>
In-Reply-To: <200902012014.32190.hselasky@c2i.net>
References:  <20090131231957.GB31825@citylink.fud.org.nz> <200902011922.16810.hselasky@c2i.net> <20090201190820.GB32503@citylink.fud.org.nz> <200902012014.32190.hselasky@c2i.net>

next in thread | previous in thread | raw e-mail | index | archive | help
On Sun, Feb 01, 2009 at 08:14:29PM +0100, Hans Petter Selasky wrote:
> Hi Andrew,
> 
> On Sunday 01 February 2009, Andrew Thompson wrote:
> > On Sun, Feb 01, 2009 at 07:22:15PM +0100, Hans Petter Selasky wrote:
> 
> >
> > The code should be,
> >
> 
> That's what I'm doing already ... I pre-copy all channel & bssid stuff into a 
> message structure ...

Im saying you dont need to. When you get a channel change request, you
fire off the channel task and the program the hardware with the current
value from the ieee80211com channel pointer.

> > xxx_set_channel()
> > {
> > 	ieee80211_channel c = wlan->curchan;
> >
> > 	hw_reg = array1[c];
> > 	write USB register;
> > 	hw_reg = array2[c];
> > 	write USB register;
> > }
> 
> And don't forget "volatile" ...

I dont understand this. c is a pointer to a valid net80211 channel which
will never disappear.


Andrew



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20090201191851.GE32503>