Documentation/ABI/testing/sysfs-class-ieee80211-rtw89

Source file repositories/reference/linux-study-clean/Documentation/ABI/testing/sysfs-class-ieee80211-rtw89

File Facts

System: Linux kernel
Corpus path: Documentation/ABI/testing/sysfs-class-ieee80211-rtw89
Extension: [no extension]
Size: 919 bytes
Lines: 25
Domain: Support Tooling And Documentation
Bucket: Documentation
Inferred role: Support Tooling And Documentation: Documentation
Status: atlas-only

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

Dependency Surface

No C-style include directives detected by the generator.

Detected Declarations

No top-level syscall, struct, function, initcall, or export declaration detected by the generator.

Annotated Snippet

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

Annotation

Atlas domain: Support Tooling And Documentation / Documentation.
Implementation status: atlas-only.

Implementation Notes

This generated page is the file-by-file coverage layer; curated subsystem chapters should link here when they synthesize a multi-file control flow.
Core OS pages should be promoted from atlas-only to deep-reviewed when they explain data structures, invariants, locking, lifecycle, and C implementation snippets.
Driver-family pages are intentionally pattern-oriented unless they are part of the selected PCIe/NVMe representative device path.