K 10
svn:author
V 8
arybchik
K 8
svn:date
V 27
2015-05-16T05:36:40.699044Z
K 7
svn:log
V 317
sfxge: support Rx checksum offloads disabling

We can't disable it in HW, but we can ignore result.
Discard Rx descriptor checksum flags if Rx checksum offload is off.

Reviewed by:    gnn
Sponsored by:   Solarflare Communications, Inc.
MFC after:      2 days
Differential Revision: https://reviews.freebsd.org/D2544

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