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Miller" , Jakub Kicinski , Matthias Brugger , Philipp Zabel , Russell King , netdev@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, Frank Wunderlich , =?utf-8?B?UmVuw6k=?= van Dorst Subject: Re: [PATCH net-next] net: dsa: mt7530: support MDB and bridge flag operations Message-ID: <20210315200939.irwyiru6m62g4a7f@skbuf> References: <20210315170940.2414854-1-dqfext@gmail.com> <892918f1-bee6-7603-b8e1-3efb93104f6f@gmail.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <892918f1-bee6-7603-b8e1-3efb93104f6f@gmail.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210315_200944_292734_C67852DC X-CRM114-Status: GOOD ( 18.90 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Mon, Mar 15, 2021 at 01:03:10PM -0700, Florian Fainelli wrote: > > > On 3/15/2021 10:09 AM, DENG Qingfang wrote: > > Support port MDB and bridge flag operations. > > > > As the hardware can manage multicast forwarding itself, offload_fwd_mark > > can be unconditionally set to true. > > > > Signed-off-by: DENG Qingfang > > --- > > Changes since RFC: > > Replaced BR_AUTO_MASK with BR_FLOOD | BR_LEARNING > > > > drivers/net/dsa/mt7530.c | 124 +++++++++++++++++++++++++++++++++++++-- > > drivers/net/dsa/mt7530.h | 1 + > > net/dsa/tag_mtk.c | 14 +---- > > 3 files changed, 122 insertions(+), 17 deletions(-) > > > > diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c > > index 2342d4528b4c..f765984330c9 100644 > > --- a/drivers/net/dsa/mt7530.c > > +++ b/drivers/net/dsa/mt7530.c > > @@ -1000,8 +1000,9 @@ mt753x_cpu_port_enable(struct dsa_switch *ds, int port) > > mt7530_write(priv, MT7530_PVC_P(port), > > PORT_SPEC_TAG); > > > > - /* Unknown multicast frame forwarding to the cpu port */ > > - mt7530_rmw(priv, MT7530_MFC, UNM_FFP_MASK, UNM_FFP(BIT(port))); > > + /* Disable flooding by default */ > > + mt7530_rmw(priv, MT7530_MFC, BC_FFP_MASK | UNM_FFP_MASK | UNU_FFP_MASK, > > + BC_FFP(BIT(port)) | UNM_FFP(BIT(port)) | UNU_FFP(BIT(port))); > > It's not clear to me why this is appropriate especially when the ports > operated in standalone mode, can you expand a bit more on this? We are in the function called "mt753x_cpu_port_enable" here. It's ok to apply this config for the CPU port. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel