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Re: [lwip-users] Externally allocated memory pool for pbufs


From: address@hidden
Subject: Re: [lwip-users] Externally allocated memory pool for pbufs
Date: Tue, 7 Nov 2017 21:17:11 +0100
User-agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.8.0

Olivier Desenfans wrote:
Regarding the TX side of things,

Keep in mind that most TX functions allocate PBUF_RAM pbufs, which are allocated via mem_malloc(). To move this into pools, you'll need some extra work.

Also, are you *sure* constructing packets in uncached memory is faster than flushing the cache before transmission?
(Wait a minute, I feel like I have asked this question before here? *g*)

Cheers,
Simon





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