WiFi 和 Bluetooth

# Check driver
lsmod | grep ath11k

# Check interface
iw dev

# Check firmware
ls -la /lib/firmware/ath11k/

# Check driver
sudo lsmod | grep bt

# Check HCI device
hciconfig

# Check firmware
ls -la /lib/firmware/qca/

# Check BlueZ daemon
systemctl status bluetooth

# Scan for networks
nmcli dev wifi list

# Connect
nmcli dev wifi connect <SSID> password <password>

# Verify connection
nmcli general status
nmcli dev status
ifconfig wlp1s0
ping 8.8.8.8

ifconfig wlp1s0 down
ifconfig wlp1s0 hw ether XX:XX:XX:XX:XX:XX
ifconfig wlp1s0 up

killall hostapd
ifconfig wlp1s0 down
rm -rf /var/run/hostapd/wlp1s0

sudo ethtool -s end0 autoneg on speed 1000 duplex full

# Power off Bluetooth first
hciconfig hci0 down

# Set address
btmgmt public-addr 22:22:9B:2C:79:1E

# Verify
hciconfig

# Launch bluetoothctl
bluetoothctl

# Enable Bluetooth
power on

# Scan for devices
scan on

# Pair with device
pair F8:7D:76:9D:9B:6B

# List paired devices
devices

# Enable discoverable mode
discoverable on

# Disable Bluetooth
power off

# Enable logging
echo "module ath11k +p" > /sys/kernel/debug/dynamic_debug/control
echo "module ath11k_pci +p" > /sys/kernel/debug/dynamic_debug/control

# Collect logs
dmesg > /tmp/dmesg.txt
scp ubuntu@<IP>:/tmp/dmesg.txt .

# Collect firmware dump (on crash)
cat /sys/class/devcoredump/devcd*/data > /tmp/firmware_dump.bin

# Enable HCI snoop log (edit bluetooth.service)
# ExecStart=.../bluetoothd --noplugin=* --debug

# HCI snoop log location
/var/log/btsnoop_hci.log

# Enable kernel debug
echo "module bluetooth +p" > /sys/kernel/debug/dynamic_debug/control
echo "module btqca +p" > /sys/kernel/debug/dynamic_debug/control
echo "module hci_uart +p" > /sys/kernel/debug/dynamic_debug/control

dmesg > /tmp/bt_dmesg.txt