Error installing with sudo dkms install -m rtl8812au -v 4.3.21

[SgtFoose]

DKMS make.log for rtl8812au-4.3.21 for kernel 4.18.0-kali2-amd64 (x86_64)
Sun Oct 28 21:02:09 CET 2018
make ARCH=x86_64 CROSS_COMPILE= -C /lib/modules/4.18.0-kali2-amd64/build M=/var/lib/dkms/rtl8812au/4.3.21/build modules
make[1]: Entering directory '/usr/src/linux-headers-4.18.0-kali2-amd64'
CC [M] /var/lib/dkms/rtl8812au/4.3.21/build/core/rtw_cmd.o
In file included from /var/lib/dkms/rtl8812au/4.3.21/build/include/osdep_service.h:41:0,
from /var/lib/dkms/rtl8812au/4.3.21/build/include/drv_types.h:32,
from /var/lib/dkms/rtl8812au/4.3.21/build/core/rtw_cmd.c:22:
/var/lib/dkms/rtl8812au/4.3.21/build/include/osdep_service_linux.h: In function ‘_init_timer’:
/var/lib/dkms/rtl8812au/4.3.21/build/include/osdep_service_linux.h:284:8: error: ‘_timer {aka struct timer_list}’ has no member named ‘data’
ptimer->data = (unsigned long)cntx;
^~
/var/lib/dkms/rtl8812au/4.3.21/build/include/osdep_service_linux.h:285:2: error: implicit declaration of function ‘init_timer’; did you mean ‘_init_timer’? [-Werror=implicit-function-declaration]
init_timer(ptimer);
^~~~~~~~~~
_init_timer
cc1: some warnings being treated as errors
make[4]: *** [/usr/src/linux-headers-4.18.0-kali2-common/scripts/Makefile.build:323: /var/lib/dkms/rtl8812au/4.3.21/build/core/rtw_cmd.o] Error 1
make[3]: *** [/usr/src/linux-headers-4.18.0-kali2-common/Makefile:1531: module/var/lib/dkms/rtl8812au/4.3.21/build] Error 2
make[2]: *** [Makefile:146: sub-make] Error 2
make[1]: *** [Makefile:8: all] Error 2
make[1]: Leaving directory '/usr/src/linux-headers-4.18.0-kali2-amd64'
make: *** [Makefile:1732: modules] Error 2

[diederikdehaas]

I don't have a 4.3.21 driver version, which one did you use?
Anyway, ptimer related issues should be fixed with commits labeled Added support for kernels >= 4.15.