| What: /sys/class/ieee80211/phyX/rtw89_usb/serial_number |
| Date: May 2026 |
| Contact: Johnson Tsai <wenjie.tsai@realtek.com>, linux-wireless@vger.kernel.org |
| Description: (Read) Serial number burned into EFUSE of the RTL8852CU-based |
| USB Wi-Fi adapter. Only present on devices that set the |
| RTW89_QUIRK_HW_INFO_SYSFS quirk (currently VID 0x28de / |
| PID 0x2432). |
| |
| Format: %10phN (5 raw bytes printed as 10 lowercase hex |
| digits, no separators). |
| |
| Example: 3642000123 |
| |
| What: /sys/class/ieee80211/phyX/rtw89_usb/uuid |
| Date: May 2026 |
| Contact: Johnson Tsai <wenjie.tsai@realtek.com>, linux-wireless@vger.kernel.org |
| Description: (Read) UUID burned into EFUSE of the RTL8852CU-based USB Wi-Fi |
| adapter. Only present on devices that set the |
| RTW89_QUIRK_HW_INFO_SYSFS quirk (currently VID 0x28de / |
| PID 0x2432). |
| |
| Format: %pUb (RFC 4122 UUID in lowercase with hyphens). |
| |
| Example: aaec2b7c-0a55-4727-8de0-b30febccbbaa |
