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Date: Mon, 30 Mar 2015 15:51:15 +0300
From: Gleb Smirnoff <glebius@FreeBSD.org>
To: Hans Petter Selasky <hps@selasky.org>
Subject: Re: svn commit: r280759 - head/sys/netinet
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  Hans,

On Mon, Mar 30, 2015 at 02:38:12PM +0200, Hans Petter Selasky wrote:
H> > DELAY() into network stack? Are you serious now or kidding me?
H> 
H> If there should be any useful meaning in the 16-bit IP ID field, the 
H> value can't be allowed to wrap several times in a millisecond. Given the 
H> context from where the network code is running, msleep() is not an 
H> option. A _conditional_ DELAY() of 1-2 us, is maybe all we need to 
H> prevent the value from wrapping too quickly. It is not perfect and it is 
H> indeed consuming more CPU.

Let me ask again: are you serious? Do you suggest to delay transmitting
network packets with a DELAY()?

H> Or maybe we can add an IPv4 option to escape a 32-bit IP ID field and 
H> don't use the 16-bit IP ID field.

Is that also serious? Do you suggest to change layout of IP packet?

-- 
Totus tuus, Glebius.