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Miller" , Jakub Kicinski , Matthias Brugger , netdev@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [RFC net-next 1/2] net: dsa: tag_mtk: skip address learning on transmit to standalone ports Date: Sat, 31 Jul 2021 03:25:55 +0800 Message-Id: <20210730192555.638774-1-dqfext@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210730190706.jm7uizyqltmle2bi@skbuf> References: <20210728175327.1150120-1-dqfext@gmail.com> <20210728175327.1150120-2-dqfext@gmail.com> <20210728183705.4gea64qlbe64kkpl@skbuf> <20210730162403.p2dnwvwwgsxttomg@skbuf> <20210730190020.638409-1-dqfext@gmail.com> <20210730190706.jm7uizyqltmle2bi@skbuf> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Jul 30, 2021 at 10:07:06PM +0300, Vladimir Oltean wrote: > > After enabling it, I noticed .port_fdb_{add,del} are called with VID=0 > > (which it does not use now) unless I turn on VLAN filtering. Is that > > normal? > > They are called with the VID from the learned packet. > If the bridge is VLAN-unaware, the MAC SA is learned with VID 0. > Generally, VID 0 is always used for VLAN-unaware bridging. You can > privately translate VID 0 to whatever VLAN ID you use in VLAN-unaware > mode. Now the issue is PVID is always set to the bridge's vlan_default_pvid, regardless of VLAN awareless.