Older versions (< 6.3.0) of hcxdumptool use WIRELESS EXTENSIONs (WEXT) to control the device via ioctl() system calls.
RTL88xxau is a NETLINK only driver that does not support WEXT.
Starting with version 6.3.0 hcxdumptool moved to NETLINK (because WEXT is deprecated) and it should work, now.
https://github.com/ZerBea/hcxdumptool/bl...gelog#L167
Please notice that the your driver is an out of Linux tree driver which is not part of the official Linux kernel.
More information about this third party drivers is here:
https://github.com/morrownr/USB-WiFi/issues/314
RTL88xxau is a NETLINK only driver that does not support WEXT.
Starting with version 6.3.0 hcxdumptool moved to NETLINK (because WEXT is deprecated) and it should work, now.
https://github.com/ZerBea/hcxdumptool/bl...gelog#L167
Please notice that the your driver is an out of Linux tree driver which is not part of the official Linux kernel.
More information about this third party drivers is here:
https://github.com/morrownr/USB-WiFi/issues/314