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Re: [lwip-devel] IP header alignment problems
From: |
Mike Kleshov |
Subject: |
Re: [lwip-devel] IP header alignment problems |
Date: |
Thu, 14 Jan 2010 23:59:45 +0300 |
2010/1/14 Małowidzki, Marek <address@hidden>:
> By the way, I see that out Ethernet controller (and probably most others) can
> work in both little and big endian mode. What happens if someone is trying to
> use LwIP having little-endian Ethernet? I believe he should apply an approach
> similar to ours - convert packets (at least, headers) to big endian first.
This is taken care of the traditional way: using the hton*() and
ntoh*() macros. I've done lwip-based projects with both little-endian
and big-endian MCU's. No problem so far.