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Re: [lwip-users] Hello to mailinglist
From: |
Kieran Mansley |
Subject: |
Re: [lwip-users] Hello to mailinglist |
Date: |
Tue, 17 Feb 2009 11:45:28 +0000 |
On Fri, 2009-02-13 at 16:41 -0500, Francois Bouchard wrote:
> what is the maximum length (in octets) a single network buffer can
> handle?
Depends what you mean by a network buffer. The netbuf API uses a chain
of pbufs to represent a network buffer. The pbuf chain total length is
held in a u16_t variable, so that will be the upper limit on it. Each
pbuf in the chain will be approx PBUF_POOL_BUFSIZE long (give or take a
few bytes for alignment) and you can define this in lwipopts.h I think.
The default is "large enough to hold an MTU-sized frame".
Kieran
- [lwip-users] Hello to mailinglist, Adib Taraben, 2009/02/13
- Re: [lwip-users] Hello to mailinglist, Mike Kleshov, 2009/02/13
- Re: [lwip-users] Hello to mailinglist, Piero 74, 2009/02/13
- Re: [lwip-users] Hello to mailinglist, Mike Kleshov, 2009/02/13
- Re: [lwip-users] Hello to mailinglist, Piero 74, 2009/02/13
- Re: [lwip-users] Hello to mailinglist, Francois Bouchard, 2009/02/13
- RE: [lwip-users] Hello to mailinglist, bill, 2009/02/13
- Re: [lwip-users] Hello to mailinglist, Piero 74, 2009/02/13
- Re: [lwip-users] Hello to mailinglist, Francois Bouchard, 2009/02/13
- Re: [lwip-users] Hello to mailinglist, Francois Bouchard, 2009/02/13
- Re: [lwip-users] Hello to mailinglist,
Kieran Mansley <=
- Re: [lwip-users] Hello to mailinglist, Mike Kleshov, 2009/02/14
Re: [lwip-users] Hello to mailinglist, Adib Taraben, 2009/02/13