Re: [lwip-devel] Using lwIP in Xilinx Gigabit System Reference Design (GSRD)

[Sathya Thammanur]

HI Ilandre,
Technically I dont see anything that would prevent such an effort to
happen. The key thing is to write the temac adapter that works with
lwIP stack. Since the new version of lwIP does allow for hardware
checksum computation, it should not be an issue to get the design
working. If you have Treck adapter code, then you can model the lwIP
solution along the same lines. Note that in order to get the Sockets
API working you will need kernel features support and hence you might
have to use the xilkernel that ships with EDK. 

Alternately, if using RAW API (simpler to port than Sockets), then the port should be relatively simple. 

I would be interested in knowing about your efforts if you are able to get this working. 

Sathya

On 10/20/06, llandre <r&address@hidden> wrote:

Hi all,

I tested the GSRD project on gigabit point-to-point link (PC and ML403
board) and I achieved great performances. Since I can accept lower
performances, I'm wondering if it is possible to replace the Treck
TCP/IP stack with lwIP. What do you think?
I think the most challenging issue is to reduce as much as possible the
memory requirements in order to keep all code and data in processor
cache. IIUC this is the key trick - along with hardware CRC computation
- that allows the software stack to handle such a high data throughput.
Any comments or suggestions will be appreciated.


TIA,
llandre

DAVE Electronics System House - R&D Department
web:   http://www.dave-tech.it
email: r&address@hidden


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