em(4): Add tunable for the 82573 workaround, enabled by default.
authorSepherosa Ziehau <sephe@dragonflybsd.org>
Wed, 25 Feb 2009 13:35:33 +0000 (21:35 +0800)
committerSepherosa Ziehau <sephe@dragonflybsd.org>
Fri, 27 Feb 2009 13:49:53 +0000 (21:49 +0800)
commit05580856abfe16da870e8a684032f9bc89d28b75
tree75fd26c5dec1b76fbe638f7a613541fede3cc48f
parent395a802db3020ed42a28cad7ba9fc32bf2ea64dd
em(4): Add tunable for the 82573 workaround, enabled by default.

Given not all 82573 based NICs have this problem and RDTR is
deprecated, adding a tunable to disable the workaround for a bad
hardware design seems like a quite reasonable compromise ...
sys/dev/netif/em/if_em.c