linux-kernel - Re: [PATCH 2/2] [e1000 VLAN] Disable vlan hw accel when promiscuous mode

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20071112.145716.06352378.davem@davemloft.net>
Date:	Mon, 12 Nov 2007 14:57:16 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	cfriesen@...tel.com
Cc:	kaber@...sh.net, auke-jan.h.kok@...el.com, joonwpark81@...il.com,
	netdev@...r.kernel.org,
	djohnson+linux-kernel@...starentnetworks.com,
	linux-kernel@...r.kernel.org, e1000-devel@...ts.sourceforge.net
Subject: Re: [PATCH 2/2] [e1000 VLAN] Disable vlan hw accel when
 promiscuous mode

From: "Chris Friesen" <cfriesen@...tel.com>
Date: Mon, 12 Nov 2007 16:43:24 -0600

> David Miller wrote:
> 
> > When you select VLAN, you by definition are asking for non-VLAN
> > traffic to be elided.  It is like plugging the ethernet cable
> > into one switch or another.
> 
> For max functionality it seems like the raw eth device should show 
> everything on the wire in promiscuous mode.
> 
> If we want to sniff only the traffic for a specific vlan, we can sniff 
> the vlan device.

VLAN settings are a filter of sorts, much like plugging into
one switch or another filters traffic physically.

If you don't want that filter, turn the VLAN settings off.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/