Files under the xenserver directory are licensed on a file-by-file
basis. Some files are under an uncertain license that may not be
DFSG-compliant or GPL-compatible. Refer to each file for details.
+
+Files lib/sflow*.[ch] are licensed under the terms of the InMon sFlow
+licence that is available at:
+ http://www.inmon.com/technology/sflowlicense.txt