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Re: [lwip-users] [raw] configure lwip tcp tx pbuf


From: address@hidden
Subject: Re: [lwip-users] [raw] configure lwip tcp tx pbuf
Date: Tue, 28 Feb 2017 21:12:08 +0100
User-agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.7.2

Fran├žois Thierry wrote:
I checked all the parameters which seems relevant for me (see below) but now I've got no idea why lwip could not allocate 1092 bytes on a pbuf.
[..]
- #define PBUF_POOL_SIZE 256
- #define PBUF_POOL_BUFSIZE 1700
- #define TCP_MSS 1460
- #define TCP_SND_BUF 8192
- #define MEMP_NUM_PBUF 32

Seems like you missed MEM_SIZE. Have a look at the updated docs at http://www.nongnu.org/lwip/

Simon



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