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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, Eric Woudstra , =?utf-8?B?UmVuw6k=?= van Dorst , Frank Wunderlich , Ilya Lipnitskiy Subject: Re: [PATCH net-next v2 4/4] net: dsa: mt7530: always install FDB entries with IVL and FID 1 Message-ID: <20210803165138.3obbvtjj2xn6j2n5@skbuf> References: <20210803160405.3025624-1-dqfext@gmail.com> <20210803160405.3025624-5-dqfext@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210803160405.3025624-5-dqfext@gmail.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Aug 04, 2021 at 12:04:04AM +0800, DENG Qingfang wrote: > This reverts commit 7e777021780e ("mt7530 mt7530_fdb_write only set ivl > bit vid larger than 1"). > > Before this series, the default value of all ports' PVID is 1, which is > copied into the FDB entry, even if the ports are VLAN unaware. So > `bridge fdb show` will show entries like `dev swp0 vlan 1 self` even on > a VLAN-unaware bridge. > > The blamed commit does not solve that issue completely, instead it may > cause a new issue that FDB is inaccessible in a VLAN-aware bridge with > PVID 1. > > This series sets PVID to 0 on VLAN-unaware ports, so `bridge fdb show` > will no longer print `vlan 1` on VLAN-unaware bridges, and that special > case in fdb_write is not required anymore. > > Set FDB entries' filter ID to 1 to match the VLAN table. > > Signed-off-by: DENG Qingfang > --- The way FDB entries are installed now makes a lot more intuitive sense.