From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH net] net: mvpp2: Fix TCAM filter reserved range Date: Mon, 16 Apr 2018 10:04:07 -0400 (EDT) Message-ID: <20180416.100407.1760752634367706398.davem@davemloft.net> References: <20180416080723.15593-1-maxime.chevallier@bootlin.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit 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 To: maxime.chevallier@bootlin.com Return-path: In-Reply-To: <20180416080723.15593-1-maxime.chevallier@bootlin.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org From: Maxime Chevallier 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 Applied, thanks.