On Fri, Aug 30, 2024 at 10:58:50AM +0000, David Lin wrote: > > From: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx> > > Sent: Friday, August 30, 2024 5:19 PM > > To: Francesco Dolcini <francesco@xxxxxxxxxx> > > Cc: David Lin <yu-hao.lin@xxxxxxx>; linux-wireless@xxxxxxxxxxxxxxx; > > linux-kernel@xxxxxxxxxxxxxxx; briannorris@xxxxxxxxxxxx; kvalo@xxxxxxxxxx; > > Pete Hsieh <tsung-hsien.hsieh@xxxxxxx> > > Subject: [EXT] Re: [PATCH] wifi: mwifiex: avoid AP and STA running on > > different channel > > > > On Fri, Aug 30, 2024 at 10:10:30AM +0200, Francesco Dolcini wrote: > > > +Sascha, that just sent a patch to handle the same issue. > > > > > > On Fri, Aug 30, 2024 at 11:06:30AM +0800, David Lin wrote: > > > > Current firmware doesn't support AP and STA running on different > > > > channels simultaneously. > > > > FW crash would occur in such case. > > > > This patch avoids the issue by disabling AP and STA to run on > > > > different channels. > > > > > > Is this a generic issue of specific of some firmware version? Asking > > > since the driver as you know is supporting multiple Wi-Fi device. > > > > The driver does, unfortunately the hardware does not. > > > > I learned this the hard way. When an accesspoint is running on uap0 and > > you want to connect to an accesspoint on mlan0 then it won't work when > > that accesspoint is on a different channel. > > > > Likewise, when you are creating an accesspoint on uap0 using channel A and > > another one on channel B then you'll notice that both accesspoints will end > > up using channel A. > > > > It took me a while to find that out. In the end I found the same channel > > check in the nxpwifi driver. > > > > Sascha > > > > Yes, this patch is backported from nxpwifi (same as another patch for AP DFS mode). > Because Mwifiex supports connect/disconnect and separate auth/assoc, I think I will > clean up the code and create patch v2 later. Gna, I didn't notice that I haven't answered to my own patch, but to your patch addressing the same problem a few hours later ;) Sascha -- Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |
