debug-wifi.md

Show wireless network interfaces

iwconfig

iw dev
iw dev <interface> link

Check error logs

dmesg | grep iw

List hardware network devices

lshw -class network

List iwlwifi firmware

ls /lib/firmware/ | grep iwlwifi

List informations about pci network controller

lspci -nnk | grep -A4 0280

Show information about kernel module

modinfo iwlwifi

Show kernel module status

lsmod | grep -i iw