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e1000: rctl/srrctl buffer size init, rfctl fix

Description

e1000: rctl/srrctl buffer size init, rfctl fix

Simplify the setup of srrctl.BSIZEPKT on igb class NICs.
Improve the setup of rctl.BSIZE on lem and em class NICs.
Don't try to touch rfctl on lem class NICs.
Manipulate rctl.BSEX correctly on lem and em class NICs.

Approved by: markj
MFC after: 1 week
Differential Revision: https://reviews.freebsd.org/D31457

Details

Provenance
Kevin Bowling <kbowling@FreeBSD.org>Authored on Aug 10 2021, 7:47 PM
Differential Revision
D31457: e1000: Simplify rctl/srrctl buffer size init
Parents
R10:e7a13643b17c: build.7: Document LOCAL_MODULES and LOCAL_MODULES_DIR
Branches
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