> > Don't some of the Gigabit FreeBSD drivers actually utilize
> > the on-board
> > checksum processing???
FreeBSD 5.0-current has support for TCP/IP checksum offload, and the
if_ti driver makes use of it. The Tigon NICs do this in firmware though.
I attempted to add support to the SysKonnect driver, however the transmit
side checksum offload support apparently doesn't work, and the receive
side offloading has a bug which requires a bit of a workaround.
The 3Com 3c90xB/3c90xC chips are also supposed to support checksum
offload, but as of yet I haven't had much luck getting this to work
either.
-Bill
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