K 10
svn:author
V 5
shurd
K 8
svn:date
V 27
2018-11-21T17:14:57.965395Z
K 7
svn:log
V 546
MFC r340435:

Prevent POLA violation with TSO/CSUM offload

Ensure that any time CSUM_IP_TSO or CSUM_IP6_TSO is set that the corresponding
CSUM_IP6?_TCP / CSUM_IP flags are also set.

Rather than requireing drivers to bake-in an understanding that TSO implies
checksum offloads, make it explicit.

This change requires us to move the IFLIB_NEED_ZERO_CSUM implementation to
ensure it's zeroed for TSO.

Reported by:	Jacob Keller <jacob.e.keller@intel.com>
Sponsored by:	Limelight Networks
Differential Revision:	https://reviews.freebsd.org/D17801

END