https://blog.csdn.net/shikaiaixuexi/article/details/131565396
sudo apt install git make
sudo apt install flex bison
git clone https://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/backport-iwlwifi.git
cd backport-iwlwifi
sudo make defconfig-iwlwifi-public
sudo make
sudo make install
cd -
git clone git://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git
cd linux-firmware/
sudo cp iwlwifi-* /lib/firmware/
reboot