From: kuznet@ms2.inr.ac.ru
To: cfriesen@nortelnetworks.com (Chris Friesen)
Cc: davem@redhat.com, jmorris@redhat.com, hadi@znyx.com, netdev@oss.sgi.com
Subject: Re: Fw: issues with SO_PRIORITY and IP_TOS
Date: Thu, 13 Nov 2003 14:08:00 +0300 (MSK) [thread overview]
Message-ID: <200311131108.OAA24780@yakov.inr.ac.ru> (raw)
In-Reply-To: <3FAA5FF6.50509@nortelnetworks.com> from "Chris Friesen" at îÏÑ 06, 2003 09:51:34
Hello!
> I would like to send a vlan tagged packet, with vlan priority of x and
> DSCP field of (x<<5). What is the proper way to do this, if I should
> not be using skb->priority?
To set DSCP field you set the thing known as TOS with IP_TOS.
To set VLAN priority, you tune VLAN f.e. to use DSCP bits in classifier
to derive VLAN priority from those bits of DSCP, which you desire. DSCP>>5
in your case.
And remember that if the box is DS aware, DS will rewrite your DSCP
in the way consistent with sustem configuration.
Alexey
next prev parent reply other threads:[~2003-11-13 11:08 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20031030120140.678b721b.davem@redhat.com>
2003-11-04 12:33 ` Fw: issues with SO_PRIORITY and IP_TOS kuznet
2003-11-04 16:04 ` Jamal Hadi Salim
2003-11-04 17:02 ` Chris Friesen
2003-11-05 14:54 ` Jamal Hadi Salim
2003-11-06 9:31 ` kuznet
2003-11-06 14:51 ` Chris Friesen
2003-11-13 11:08 ` kuznet [this message]
2003-11-13 17:48 ` Chris Friesen
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