The new manpage documents the tunables and statistic sysctls exposed by
iflib.
Reviewed by: bcr
Approved by: re (gjb)
Sponsored by: Limelight Networks
Differential Revision: https://reviews.freebsd.org/D16920
Currently 'man -k iflib' would find you the right pages for iflib
documentation, namely iflibdd(9) and iflibdi(9) but 'man iflib' would leave
you in the dark. This allows both approaches to find the relevant
documentation.
Reviewed by: kmacy, shurd
Sponsored by: iXsystems, Inc.
Differential Revision: https://reviews.freebsd.org/D15219