From: David Miller <davem@davemloft.net>
To: maxime.chevallier@bootlin.com
Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
antoine.tenart@bootlin.com, thomas.petazzoni@bootlin.com,
gregory.clement@bootlin.com, miquel.raynal@bootlin.com,
nadavh@marvell.com, stefanc@marvell.com, ymarkman@marvell.com,
mw@semihalf.com
Subject: Re: [PATCH net] net: mvpp2: Fix TCAM filter reserved range
Date: Mon, 16 Apr 2018 10:04:07 -0400 (EDT) [thread overview]
Message-ID: <20180416.100407.1760752634367706398.davem@davemloft.net> (raw)
In-Reply-To: <20180416080723.15593-1-maxime.chevallier@bootlin.com>
From: Maxime Chevallier <maxime.chevallier@bootlin.com>
Date: Mon, 16 Apr 2018 10:07:23 +0200
> Marvell's PPv2 controller has a Packet Header parser, which uses a
> fixed-size TCAM array of filter entries.
>
> The mvpp2 driver reserves some ranges among the 256 TCAM entries to
> perform MAC and VID filtering. The rest of the TCAM ids are freely usable
> for other features, such as IPv4 proto matching.
>
> This commit fixes the MVPP2_PE_LAST_FREE_TID define that sets the end of
> the "free range", which included the MAC range. This could therefore allow
> some other features to use entries dedicated to MAC filtering,
> lowering the number of unicast/multicast addresses that could be allowed
> before switching to promiscuous mode.
>
> Fixes: 10fea26ce2aa ("net: mvpp2: Add support for unicast filtering")
> Signed-off-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Applied, thanks.
prev parent reply other threads:[~2018-04-16 14:04 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-04-16 8:07 [PATCH net] net: mvpp2: Fix TCAM filter reserved range Maxime Chevallier
2018-04-16 14:04 ` David Miller [this message]
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