DragonFly- master sys/dev/netif/em if_em.c if_em.h

Sepherosa Ziehau sephe at crater.dragonflybsd.org
Tue Feb 24 03:02:48 PST 2009

commit 002b3a054edb407c7d73e65375f42b42ccdb92d2
Author: Sepherosa Ziehau <sephe at dragonflybsd.org>
Date:   Mon Feb 16 23:12:31 2009 +0800

    em(4): On TX path, make sure that ether header and ip.ip_hl are contiguous.
    This must be done mainly because if hardware TX csum offloading is enabled,
    setting up context TX descriptor will need to access ip.ip_hl.

Summary of changes:
 sys/dev/netif/em/if_em.c |  190 ++++++++++++++++++++++++++++++----------------
 sys/dev/netif/em/if_em.h |   11 +++-
 2 files changed, 135 insertions(+), 66 deletions(-)


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