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Re: [lwip-users] LWIP -> Microblaze

From: Christiaan Simons
Subject: Re: [lwip-users] LWIP -> Microblaze
Date: Wed, 26 Apr 2006 12:17:10 +0200

Lachlan wrote:

> Q:  Can anyone point me to an updated version of xemacif.c that
> would correct these problems. ?

The authorative source is the contrib/ports/v2pro/netif/xemacif.c.
If that file is broken, we want to fix it there. I can have a quick peek,
but I can't guarantee it gets fixed. (I don't have the Xilinx development

> Q:  Has anyone experienced similar latency problems in the

I know the sequential / socket API performs slow
and has some unclear bugs and design flaws.
See also http://savannah.nongnu.org/bugs/?func=detailitem&item_id=15926

What I can tell fore sure this code is slow because
there are too many thread synchronisation waitstates.

When using the lower level raw-API, the achievable
performance levels are much better. Some users have
implemented and alternative socket layer on top of the raw-API.

Christiaan Simons

Hardware Designer
Axon Digital Design


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