Bitterblue Smith <rtl8821cerfe2@xxxxxxxxx> wrote: > These are older Wifi 5 chips. RTL8821AU is 1x1, with or without > Bluetooth. RTL8812AU is 2x2, without Bluetooth. > > Beamforming is not implemented. It looks like these chips need a > different implementation than what is in bf.c. > > Speed tests with RTL8821AU: 137 Mbps download, 144 Mbps upload. > Speed tests with RTL8812AU: 344 Mbps download, 387 Mbps upload. > > Station mode and AP mode were tested. > > Bluetooth coexistence works. I used my Bluetooth headphones for > several days, listening to music and watching videos. There is only > a problem with the wifi speeds with one router: > > With ISP's HG6544C router: > Official driver: 3/5 Mbps. > rtw88: a bit more, but not steady at all. Not enough to watch a 1080p > Youtube video. > > With my D-Link Eagle R32 router running Openwrt, on the same channel: > Official driver: 6/10 Mbps. > rtw88: download starts around 30, climbs to 50 / upload is 10 Mbps. > I can watch a 1080p Youtube video. > > The music doesn't cut out during any speed tests. > > I also tested transferring files to and from my phone. I don't have > other types of Bluetooth devices to test. > Really good work. Only some minor suggestions for v2. > @@ -189,6 +200,28 @@ config RTW88_8821CU > > 802.11ac USB wireless network adapter > > +config RTW88_8821AU > + tristate "Realtek 8821AU USB wireless network adapter" Also mention 8811AU? > + depends on USB > + select RTW88_CORE > + select RTW88_USB > + select RTW88_8821A > + help > + Select this option will enable support for 8821AU chipset > + > + 802.11ac USB wireless network adapter > +
