Messages in this thread | | | Date | Tue, 13 Nov 2007 03:36:11 -0800 (PST) | Subject | Re: [PATCH 2/2] [e1000 VLAN] Disable vlan hw accel when promiscuous mode | From | David Miller <> |
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From: Herbert Xu <herbert@gondor.apana.org.au> Date: Tue, 13 Nov 2007 19:09:23 +0800
> I agree. People doing a tcpdump don't have to turn on promiscuous > mode, that's what the -p option is for. In other words, having > promiscuous mode disable VLAN filtering does not take away the > user's options at all. > > In fact, the very definition of promiscuous is to turn off hardware > filtering, albeit the filtering of MAC addresses rather than VLAN > tags. So it would seem logical to have it turn off VLAN filtering > too.
Ok.
The performance implications can be pretty severe however. I wish we could address this somehow.
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