cvs commit: src/sys/net if.h

[Darren Reed]

Kip Macy wrote:
>> To the best of my knowledge, it is a Solarisism and the 10G cards
>> from Sun (now licensed to Marvel?) are already delivering this.
>
> Hrrrrm. Almost every GigE card out there has it. And yes Marvell is
> OEM'ing the card.
>
> The only thing novel about Neptune is the unusually large number of
> TX/RX dma engines - to better cater to sun4v and the fact that the
> number of dma engines was made asymmetric to use up their transistor
> budget. Neptune has 24/16 whereas cxgb only has 8/8. I don't know
> about mxge and Oplin but I'm sure they're similar.

I don't recall where I heard it, but I'm pretty sure that the numbers
here (rx/tc) will be much larger in the next year or two on some
of the NICs that will be avialable.

Darren