git: igb: Configure TX head write back before turn enable bit in TXDCTL
Sepherosa Ziehau
sephe at crater.dragonflybsd.org
Wed Nov 7 05:52:07 PST 2012
commit c7c6ca4442476f8401fd722e374c0a2d341ed7cd
Author: Sepherosa Ziehau <sephe at dragonflybsd.org>
Date: Wed Nov 7 21:47:59 2012 +0800
igb: Configure TX head write back before turn enable bit in TXDCTL
The original configure sequence works on 82575 and 82576. However,
it does not work on i350 and probably will not work on 82580. For
these two chips TX head write back _must_ be configured before
turning on enable bit in TXDCTL according to their datasheet.
Reported-by: ftigeot@
Tested-by: ftigeot@ (i350), me w/ (82575, 82576)
Summary of changes:
sys/dev/netif/igb/if_igb.c | 20 ++++++++++----------
1 files changed, 10 insertions(+), 10 deletions(-)
http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/c7c6ca4442476f8401fd722e374c0a2d341ed7cd
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