Re: [lwip-users] p->payload == iphdr failed...

[address@hidden]

Ed Sutter wrote:
> Jonathan Larmour wrote:
>   
> > There is task 7896 for it.
> >     
>
> Unless I hear from one of you guys indicating that this is a problem,
> I'm going to try adding a member to the pbuf header to store the base
> address of the buffer.
> Thanks again,
>   
I guess that will work fine and it's also the solution I had in mind, 
but adding a member to the struct wasn't appreciated: the current size 
of 16 bytes is really optipmal for most platforms regarding memory 
alignment (or cache size). Also, adding 4 bytes to each pbuf can mean a 
crucial amount of additional memory on some low-memory platforms!

Please tell us if it worked once you did it.

Simon