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[5.12.227.87]) by smtp.gmail.com with ESMTPSA id z19sm6515456edr.69.2021.02.12.07.16.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 12 Feb 2021 07:16:19 -0800 (PST) From: Vladimir Oltean To: Jakub Kicinski , "David S. Miller" Cc: Andrew Lunn , Vivien Didelot , Florian Fainelli , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, bridge@lists.linux-foundation.org, Roopa Prabhu , Nikolay Aleksandrov , Jiri Pirko , Ido Schimmel , Claudiu Manoil , Alexandre Belloni , UNGLinuxDriver@microchip.com, Vadym Kochan , Taras Chornyi , Grygorii Strashko , Vignesh Raghavendra , Ioana Ciornei , Ivan Vecera , linux-omap@vger.kernel.org Subject: [PATCH v5 net-next 07/10] net: dsa: felix: restore multicast flood to CPU when NPI tagger reinitializes Date: Fri, 12 Feb 2021 17:15:57 +0200 Message-Id: <20210212151600.3357121-8-olteanv@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210212151600.3357121-1-olteanv@gmail.com> References: <20210212151600.3357121-1-olteanv@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org From: Vladimir Oltean ocelot_init sets up PGID_MC to include the CPU port module, and that is fine, but the ocelot-8021q tagger removes the CPU port module from the unknown multicast replicator. So after a transition from the default ocelot tagger towards ocelot-8021q and then again towards ocelot, multicast flooding towards the CPU port module will be disabled. Fixes: e21268efbe26 ("net: dsa: felix: perform switch setup for tag_8021q") Signed-off-by: Vladimir Oltean Reviewed-by: Florian Fainelli --- Changes in v5: Patch is new. drivers/net/dsa/ocelot/felix.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/dsa/ocelot/felix.c b/drivers/net/dsa/ocelot/felix.c index 386468e66c41..ae11d3f030ac 100644 --- a/drivers/net/dsa/ocelot/felix.c +++ b/drivers/net/dsa/ocelot/felix.c @@ -411,6 +411,7 @@ static int felix_setup_tag_npi(struct dsa_switch *ds, int cpu) */ cpu_flood = ANA_PGID_PGID_PGID(BIT(ocelot->num_phys_ports)); ocelot_rmw_rix(ocelot, cpu_flood, cpu_flood, ANA_PGID_PGID, PGID_UC); + ocelot_rmw_rix(ocelot, cpu_flood, cpu_flood, ANA_PGID_PGID, PGID_MC); return 0; }