git: bge: Limit STD RX ring prod index increment to 8 for 5750, 5752 and 5755

[Sepherosa Ziehau <sephe@xxxxxxxxxxxxxxxxxxxxxxx>]

commit 4849f4a34b2854c78dd0989f3258794db98520ab
Author: Sepherosa Ziehau <sephe@dragonflybsd.org>
Date:   Sun Mar 31 18:26:40 2013 +0800

    bge: Limit STD RX ring prod index increment to 8 for 5750, 5752 and 5755
    
    This works around hardware errata.
    
    NOTE:
    For 5750, 5752 and 5755, the STD RX ring replesh threshold has already
    been set to 8.
    
    Obtained-from: tg3

Summary of changes:
 sys/dev/netif/bge/if_bge.c    | 27 ++++++++++++++++++++++++---
 sys/dev/netif/bge/if_bgevar.h |  1 +
 2 files changed, 25 insertions(+), 3 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/4849f4a34b2854c78dd0989f3258794db98520ab


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