Re: UDP bugs
Andi Kleen (ak@muc.de)
Sun, 13 Dec 1998 14:32:23 +0100
You wrote:
> Date: Sun, 13 Dec 1998 20:18:58 +1100
> From: Richard Gooch <rgooch@atnf.csiro.au>
>
> David S. Miller writes:
> > Are you considering the size of IP and UDP headers? Those must be
> > factored in.
>
> I was under the impression that the payload capacity was 65535
> bytes. And if it were true that the headers steal capacity, then why
> can Solaris 2.5.1 send a full 65535 byte packet?
>
>Sounds like you found a bug in Solaris, not in Linux...
If the limit of 65507 Richard quoted is right then there is a off-by-one
bug somewhere - the limit should be 65508 for UDP (65536 - 20 bytes ip header
- 8 bytes UDP header) and 65516 for RAW sockets (and 65536 when IP_HDRINCL
is set). If the input limit is smaller this is a bug too.
-Andi
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