Re: [lwip-devel] Best method to allocate space for external packets

[Kieran Mansley]

On Fri, 2007-08-17 at 00:34 +0100, Jonathan Larmour wrote:

> The simplification here is that _all_ pool pbufs would then be allocated 
> like that. This is fine most of the time but could be more complicated if 
> there are multiple devices, not all of which need this system. Should we 
> be worried about that? I don't know but from my thinking about it, it 
> would be a very hard problem to solve without breaking abstractions and/or 
> lots of APIs. Maybe we should leave it to the port and driver.

I think the simplification is fine and fits well with lwIP's design
goals.  The approach you suggest would be easily extended by the porter,
and is simple enough to not add overhead in the other cases.  I'd have
no problem with this.

Kieran