RFC: TSO patch for current

[gnn at FreeBSD.org]

At Fri, 1 Sep 2006 15:51:21 -0700,
Jack Vogel wrote:
> 
> This is a patch for the stack and the em driver to enable TSO
> on CURRENT. Previously I had problems getting it to work, but
> this is functional.
> 
> I should note that CURRENT is being a pain right now, when
> I comment out em in the config the kernel panics coming up,
> so I had to substitute this code into the tree. Rather bizarre :)
> 
> I have this functionality running on a 6.1 based system, and
> our test group is already testing against that driver, so far
> things are looking good.
> 
> I have designed it so the driver can continue to be built
> without support. There is also a sysctl in the stack code
> so you can set net.inet.tcp.tso_enable on or off and
> compare.
> 
> I know there may be some refinements to add in, but I
> would like to get this into CURRENT as a start.
> 
> Comments?

A single read through of the patch looks OK to me.

Later,
George