On Sat, 13 Dec 2003 14:05:49 -0800
Jonathan Stone <jonathan@DSG.Stanford.EDU> wrote:

> >By the time the driver gets it out of if_snd, it is in wire format.
> Except without a link-level CRC.=20
The i82596 does TX and RX CRC processing in hardware.=20

> If you support VLAN tagging. be similary careful about VLAN tag=20
> length and MTU/MRU.
VLAN tagging? ENOCLUE. Any hints about this topic?

> i.e,. if the hardware won't auto-pad, the driver should explicitly
> pad.=20
Padding can be done in hardware.

> BTW, the red Daemon book has a very good intro to most of this,=20
You mean chapter 12.4? It talks only about if_output.
--=20


tsch=FC=DF,
       Jochen

Homepage: http://www.unixag-kl.fh-kl.de/~jkunz/