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Re: [lwip-devel] [bug #26133] Processor specific porting needs flexibil
From: |
Piero 74 |
Subject: |
Re: [lwip-devel] [bug #26133] Processor specific porting needs flexibility in terms of placement of various memory pools. |
Date: |
Fri, 10 Apr 2009 23:24:40 +0200 |
hi
very interesting discussion.. i interested in patches for lwip memory
allocation. as we discussed in the past, to provide zero-copy driver
with some microcontrollers, (i have an arm7 i.e.), we should allocate
in different regions pbufs and pools (in particolar pbuf for rx
packets).
i know that in cvs head something has done to have the possibility to
DMA with tcp send, reducing pbuf chains, chancing enqueue... with a
big memory allocation control we should provide a zer-copy in easy
way!
bye
Piero
2009/4/9, Bill Auerbach <address@hidden>:
>
> Follow-up Comment #3, bug #26133 (project lwip):
>
> I can provide a patch that places each pool in it's own static array. By
> preceding the additions with extern declaration one can move them to
> different
> linker segments. One or more pools can be moved. I got a big increase
> moving
> what I could to onchip memory.
>
> Bill
>
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