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[lwip-users] Re: AW: [lwip] Problems with struct member aligment within
From: |
Adam Dunkels |
Subject: |
[lwip-users] Re: AW: [lwip] Problems with struct member aligment within lwIP |
Date: |
Thu, 09 Jan 2003 00:04:14 -0000 |
Hi Guido!
On Wednesday 30 January 2002 17.35, you wrote:
> I tried it and it works partly. I've found out that all header stuff within
> the stack must be packed, so TCP works only if I pack tcp_hdr as well. This
> leads to some changes within the stack source code, means that I must
> explicitly cast some pointers to void*.
> There is an additional requirement for the http server. All data must be 2
> byte aligned. But the reason for this is probably that the target ethernet
> hardware supports only 16 bit access.
Thanks for your information! I added a link to your mail from the
documentation section on the lwIP homepage.
/adam
--
Adam Dunkels <address@hidden>
http://www.sics.se/~adam
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