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H A Dif_mxge.cdiff 169840 Mon May 21 16:32:27 MDT 2007 gallatin Improve mxge receive performance:

- Update to the latest (1.4.18) f/w. This f/w introduces a new
receive mode which allows us to use FreeBSD's physically discontinuous
MJUM9BYTES clusters.

- Switch the driver from chaining MJUMPAGESIZE clusters to using
MJUM9BYTES clusters to avoid mbuf chaining overheads. Due to this
change, people running obsolete f/w images will be limited to an MTU of
PAGE_SIZE - 16.

- Add (disabled by default) support for Large Receive Offload.

Sponsored by: Myricom, Inc.

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