> From: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx> > Sent: Tuesday, September 10, 2024 4:33 AM > To: David Lin <yu-hao.lin@xxxxxxx> > Cc: linux-wireless@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; > briannorris@xxxxxxxxxxxx; kvalo@xxxxxxxxxx; francesco@xxxxxxxxxx; Pete > Hsieh <tsung-hsien.hsieh@xxxxxxx> > Subject: Re: [EXT] Re: [PATCH v2] wifi: mwifiex: avoid AP and STA running on > different channel > > Caution: This is an external email. Please take care when clicking links or > opening attachments. When in doubt, report the message using the 'Report > this email' button > > > On Mon, Sep 02, 2024 at 10:35:01AM +0000, David Lin wrote: > > > From: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx> > > > Sent: Monday, September 2, 2024 5:38 PM > > > To: David Lin <yu-hao.lin@xxxxxxx> > > > Cc: linux-wireless@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; > > > briannorris@xxxxxxxxxxxx; kvalo@xxxxxxxxxx; francesco@xxxxxxxxxx; > > > Pete Hsieh <tsung-hsien.hsieh@xxxxxxx> > > > Subject: [EXT] Re: [PATCH v2] wifi: mwifiex: avoid AP and STA > > > running on different channel > > > > > > On Mon, Sep 02, 2024 at 04:43:11PM +0800, David Lin wrote: > > > > Current firmware doesn't support AP and STA running on different > > > > channels simultaneously. > > > > > > As mentioned here: > > > > > > https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Flo > > > > re.kern%2F&data=05%7C02%7Cyu-hao.lin%40nxp.com%7C7712df39ac37414fd > a7 > > > > e08dcd10eac35%7C686ea1d3bc2b4c6fa92cd99c5c301635%7C0%7C0%7C6386 > 15108 > > > > 157502805%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV > 2luMz > > > > IiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C0%7C%7C%7C&sdata=URNJPJE17iRY > Tu4i > > > rx7eQAC97tE5OE6a4kUfjUwuaVU%3D&reserved=0 > > > > el.org%2Fall%2FZtGnWC7SPHt7Vbbp%40pengutronix.de%2F&data=05%7C02% > > > > 7Cyu-hao.lin%40nxp.com%7Cce9b7d4e417c41113c7d08dccb32fc49%7C686ea > > > > 1d3bc2b4c6fa92cd99c5c301635%7C0%7C0%7C638608667089710854%7CUnkn > > > > own%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1h > > > > aWwiLCJXVCI6Mn0%3D%7C0%7C%7C%7C&sdata=nMZO565xCUO%2BwxD4tIfi > > > w6cGyYrinaEsi7XLfqyxgXg%3D&reserved=0 > > > > > > AP and STA can indeed have different channels when DRCS is enabled, > > > so I think you have to check this in your patch. > > > > > > Maybe the same question here again: Wouldn't it make sense to enable > > > DRCS by default? > > > > > > Sascha > > > > > > > I will look into DRCS support later after current tasks on hand. > > This patch is a quick fix to avoid firmware crash in the specific scenario. > > With DRCS support enabled AP and STA actually can run on different channels > with the current code. You are breaking this scenario with this patch. > > Sascha > DRCS will be checked in the future. David
