: Application loops executing commands hidden inside configuration files.
The ulp.txt file formally defines the two core components of the ULP architecture: the and the Kernel Interface . The user-facing portion provides the setsockopt usage example, which uses a ulp_config structure. For kernel developers, the file meticulously documents the registration and de-registration functions ( ulp_register , ulp_unregister ), alongside the core ulp_ops structure that defines a ULP's init and release callbacks. ulptxt patched
Since ULPTXT often resides in text utilities ( grep , awk , system log parsers) or a custom library ( libulptxt.so ): ulptxt patched
/drivers/usb/class/usblp.c # newer kernels call it usblp /drivers/usb/class/ulpt.c # older kernels ulptxt patched