X1140a Gigabit Driver?

[Marius Strobl]

On Wed, Mar 01, 2006 at 05:46:22PM +0100, Solon Luigi Lutz wrote:
> Hello freebsd-sparc64,
> 
> is there any driver for a SUN X1140a 1000BaseSX ethernet adapter
> available? Either in the normal distribution or as some beta code
> out in the wild?
> 

Not as far as I can tell. In principle these should be supported
by gem(4). What needs to be done to make them actually work is:
- figure out the register layout (apparently it differs somewhat
  from the PCI variants) and add an SBus front-end,
- add support for the SERDES,
- make some performance improvements like adding support for
  checksum offloading and converting the TX side to use
  bus_dmamap_load_mbuf_sg(9).

Marius

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