DragonFly-2.3.0.322.gaf2ee master sys/dev/netif/em if_em.h

[Sepherosa Ziehau]

commit af2ee69f0f186969a052079df7b3cd462d082df2
Author: Sepherosa Ziehau <sephe at dragonflybsd.org>
Date:   Fri Feb 27 21:36:39 2009 +0800

    em(4): Reduce EM_TXDD_SAFE from 50 to 48.
    
    With this change, the device will have at most 48 TX descriptors pending
    to be write back.  48 is chosen according to the table listed on:
    Intel 82571EB/82572EI Ethernet Controller Revision 6.0, Page 43,
    Item 70. 82571/82572 Overwrites Transmit Descriptors in Internal Buffer.

Summary of changes:
 sys/dev/netif/em/if_em.h |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/af2ee69f0f186969a052079df7b3cd462d082df2


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