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[2.205.18.238]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b70779a92c9sm703313766b.22.2025.11.02.02.08.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 02 Nov 2025 02:08:08 -0800 (PST) From: Jonas Gorski To: Florian Fainelli , Andrew Lunn , Vladimir Oltean , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Vivien Didelot Cc: Florian Fainelli , netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH net 0/3] net: dsa: b53: minor fdb related fixes Date: Sun, 2 Nov 2025 11:07:55 +0100 Message-ID: <20251102100758.28352-1-jonas.gorski@gmail.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit While investigating and fixing/implenting proper ARL support for bcm63xx, I encountered multiple minor issues in the current ARL implementation: * The ARL multicast support was not properly enabled for older chips, and instead a potentially reserved bit was toggled. * While traversing the ARL table, "Search done" triggered one final entry which will be invalid for 4 ARL bin chips, and failed to stop the search on chips with only one result register. * For chips where we have only one result register, we only traversed at most half the maximum entries. I also had a fix for IVL_SVL_SELECT which is only valid for some chips, but since this would only have an effect for !vlan_enabled, and we always have that enabled, it isn't really worth fixing (and rather drop the !vlan_enabled paths). Jonas Gorski (3): net: dsa: b53: fix enabling ip multicast net: dsa: b53: stop reading ARL entries if search is done net: dsa: b53: properly bound ARL searches for < 4 ARL bin chips drivers/net/dsa/b53/b53_common.c | 15 +++++++++------ drivers/net/dsa/b53/b53_regs.h | 3 +-- 2 files changed, 10 insertions(+), 8 deletions(-) base-commit: d7d2fcf7ae31471b4e08b7e448b8fd0ec2e06a1b -- 2.43.0