netdev - Re: Re: [PATCH 18/23 v3] mlx4_core: Managing common port filters by

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Message-ID: <15ddcffd1002152253g2426f3e9l33cdc6b862d7734c@mail.gmail.com>
Date:	Tue, 16 Feb 2010 08:53:47 +0200
From:	Or Gerlitz <or.gerlitz@...il.com>
To:	Yevgeny Petrilin <yevgenyp@...lanox.co.il>
Cc:	Roland Dreier <rdreier@...co.com>, netdev@...r.kernel.org,
	tziporet@...lanox.co.il, liranl@...lanox.co.il,
	Alex Rosenbaum <alexr@...taire.com>
Subject: Re: Re: [PATCH 18/23 v3] mlx4_core: Managing common port filters by

On Wed, Feb 10, 2010 at 7:22 PM, Yevgeny Petrilin
<yevgenyp@...lanox.co.il> wrote:
> On Sunday -10,January,-28163 09:59 PM, Or Gerlitz [or.gerlitz@...il.com] wrote:

> The multicast bloom filter is a false-positive filter per port.
> All multicast packets go through the Multicast tables mechanism where every PF/VF is registered for every multicast address

okay, so the bloom filter is going and exact match is coming, understood.


>> As for the false-positive vlan filter, I understand that this means further filtering has to be applied by some driver. Where you
>> thinking on the 802q driver? what about the case where a VF driver is assigned a vlan, does the mlx4 VF code does filtering?

> The deal with the VLAN filter is similar, it includes all VIDs that some PF/VF requested.

So for a given VID, a unicast packet carrying it will be dispatched to
all the PFs/VFs which
have registered this VID? I guess this isn't the case, so please elaborate.

> We plan to add a MAC+VLAN filter implementation, that would cancel the need in this filter.

I'm still not clear in what level you expect the software  filtering to happen

Or.
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