Gianluca
Fri Oct 19 08:27:31 PDT 2007
Have you checked the datasheet of the chipset? It's freely available on the
realtek website. I had a quick look at it and I think it's not very detailed
and explanatory, but it's a good starting point.
If you have already looked at it, probably giving us a brief explanation of
how the card is supposed to work (in particular DMA, as I think the card is
using DMA to receive/transmit packets from/to the host) gives you better
chances of finding help here on this mailing list.
Have a nice day
GV
--
Gianluca Varenni, Windows DDK MVP
CACE Technologies
http://www.cacetech.com
"raghu" <raghujindia@gmail.com> wrote in message
news:1192766413.788564.230510@y27g2000pre.googlegroups.com...
> I'm writing NDIS driver for RTL8139 Ethernet card.I'm unable to
> understand how the transmission and reception occurs using the tx
> descriptors.This card uses 4 tx descriptors.can anyone please explain
> how the transmission occurs when a NDIS packet comes from other
> layers? how to allocate memory? . I want the exact flow .
>
> Thanks a ton.
>
> Raghu
>