> -----Original Message----- > From: Larry Finger <larry.finger@xxxxxxxxx> On Behalf Of Larry Finger > Sent: Wednesday, June 14, 2023 2:29 AM > To: petter@xxxxxxxxxx; linux-wireless@xxxxxxxxxxxxxxx > Cc: Ping-Ke Shih <pkshih@xxxxxxxxxxx>; morrownr@xxxxxxxxx; kernel@xxxxxxxxxxxxxx; kvalo@xxxxxxxxxx; > linux@xxxxxxxxxxxxx; petter.mabacker@xxxxxxx; s.hauer@xxxxxxxxxxxxxx > Subject: Re: Linux mainline support for RTL8811AU/RTL8821AU > > On 6/13/23 03:09, petter@xxxxxxxxxx wrote: > > Hi, > > > > I'm investigating a wifi dongle (LM808) that is based on the RTL8811AU chipset. > > > > $ lsusb > > .. > > Bus 003 Device 066: ID 0bda:a811 Realtek Semiconductor Corp. RTL8811AU 802.11a/b/g/n/ac WLAN Adapter > > .. > > > > I cannot find any driver support in mainline for that chipset (8811cu/8821cu, seems to exists). Just curious > if anyone knows if there are any ongoing efforts to get this driver included in mainline? > > > > I can see that both: > > > > https://www.lm-technologies.com/product/wifi-usb-adapter-433mbps-lm808/?template=driver > > > > and > > > > https://github.com/morrownr/8821au-20210708 > > > > exists for non-mainline support, so will play a bit with them. But for maintenance etc I'm interested > to learn about possible mainline efforts within this area. > > It seems that the RTW8821AE has never been built or released. If it had been, > then extending that driver to the 8821AU would be easy as there would be a file > rtw8821a.c that contained all the details of that chip. Without that, there is > little that anyone outside Realtek can do. The vendor driver, which is the one > in the link you posted, will likely work. > rtlwifi can support RTL8821AE/RTL8812AE and basic USB infrastructure, so it looks like possible to support 8821AU by rtlwifi. Ping-Ke