/* Local Checksum Offload.
* Compute outer checksum based on the assumption that the
* inner checksum will be offloaded later.
- * See Documentation/networking/checksum-offloads.txt for
+ * See Documentation/networking/checksum-offloads.rst for
* explanation of how this works.
* Fill in outer checksum adjustment (e.g. with sum of outer
* pseudo-header) before calling.