Re: raw sockets, IP_HDRINCL, and fragmentation

[Chris Friesen <cfriesen@xxxxxxxxxxxxxxxxxx>]

Andi Kleen wrote:
> 
> On Thu, Mar 07, 2002 at 01:59:19PM -0500, Chris Friesen wrote:

> > "When  the IP_HDRINCL option is set datagrams will not be fragmented and are
> > limited to the interface MTU.  This is a limitation in Linux 2.2."
> >
> > Does 2.4 have this same limitation?
> 
> It has.

Is this a technical difficulty, or just an API issue?  ie, how hard would it be
to hack it to add fragmentation?  I'm guessing I should be looking at
ip_output.c, somewhere in the vicinity of ip_build_xmit()?

Thanks,

Chris

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