Subject: Re: 802.1q hardware support
To: Manuel Bouyer <>
From: Matt Thomas <>
List: tech-net
Date: 11/13/2000 15:51:28
At 11:02 PM 11/13/2000 +0100, Manuel Bouyer wrote:
>I added 802.1q hardware support for NICs that can intert the VLAN tag
>themselve on the fly. With a Tigon II gigabit NIC in a celeron 600,
>this has a real impact on performances (10% on troughput with ttcp -u,
>and a very noticable cut in latency with ping).

If anything, this should go into the m_pkthdr and not the mbuf.  this
is only needed one-per-packet.

Matt Thomas               Internet:
3am Software Foundry      WWW URL:
Cupertino, CA             Disclaimer: I avow all knowledge of this message