Driver rtw88 wifi RTL8821CE
Posted: Wed Apr 24, 2024 8:58 pm
As a first step, install the firmware package, as the firmware comes by default in the kernel, but is not enabled due to licensing issues:
Then install the driver:
From Realtek RTW88 FreeBSD wiki "Currently known issue":
Does not work on machines with more than 4GB of physical memory. Likely busdma+LinuxKPI problem to be investigated. D34715 has a change to gather data (which is in freebsd/main by now).
You need to boot with compat.linuxkpi.skb.mem_limit=1 in loader.conf to limit DMA to 32bit (announcement on freebsd-wireless for more info).
/boot/loader.conf:
reboot system, see if the driver has attached to the device, if not, try:
Souce: https://forums.freebsd.org/threads/driv ... 1ce.93184/
Code: Select all
$ ls -al /boot/kernel/if_rtw88.ko
-r--r--r-- 1 root wheel 1185856 26 Dec. 04:37 /boot/kernel/if_rtw88.ko
Code: Select all
pkg install wifi-firmware-rtw88-kmodFrom Realtek RTW88 FreeBSD wiki "Currently known issue":
Does not work on machines with more than 4GB of physical memory. Likely busdma+LinuxKPI problem to be investigated. D34715 has a change to gather data (which is in freebsd/main by now).
You need to boot with compat.linuxkpi.skb.mem_limit=1 in loader.conf to limit DMA to 32bit (announcement on freebsd-wireless for more info).
/boot/loader.conf:
Code: Select all
compat.linuxkpi.skb.mem_limit=1Code: Select all
kldload if_rtw88Souce: https://forums.freebsd.org/threads/driv ... 1ce.93184/