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From:   "Koskinen, Aaro (Nokia - FI/Espoo)" <aaro.koskinen@nokia.com>
To:     Dinh Nguyen <dinguyen@kernel.org>,
        Thor Thayer <thor.thayer@linux.intel.com>,
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        "Koskinen, Aaro (Nokia - FI/Espoo)" <aaro.koskinen@nokia.com>
Subject: [PATCH] arm64: dts: stratix10: fix multicast filtering
Thread-Topic: [PATCH] arm64: dts: stratix10: fix multicast filtering
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Date:   Fri, 2 Nov 2018 10:54:13 +0000
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On Stratix 10, the EMAC has 256 hash buckets for multicast filtering. This
needs to be specified in DTS, otherwise the stmmac driver defaults to 64
buckets and initializes the filter incorrectly. As a result, e.g. valid
IPv6 multicast traffic ends up being dropped.

Fixes: 78cd6a9d8e15 ("arm64: dts: Add base stratix 10 dtsi")
Signed-off-by: Aaro Koskinen <aaro.koskinen@nokia.com>
---
 arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi b/arch/arm64=
/boot/dts/altera/socfpga_stratix10.dtsi
index 8253a1a9e985..fef7351e9f67 100644
--- a/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi
+++ b/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi
@@ -139,6 +139,7 @@
 			clock-names =3D "stmmaceth";
 			tx-fifo-depth =3D <16384>;
 			rx-fifo-depth =3D <16384>;
+			snps,multicast-filter-bins =3D <256>;
 			status =3D "disabled";
 		};
=20
@@ -154,6 +155,7 @@
 			clock-names =3D "stmmaceth";
 			tx-fifo-depth =3D <16384>;
 			rx-fifo-depth =3D <16384>;
+			snps,multicast-filter-bins =3D <256>;
 			status =3D "disabled";
 		};
=20
@@ -169,6 +171,7 @@
 			clock-names =3D "stmmaceth";
 			tx-fifo-depth =3D <16384>;
 			rx-fifo-depth =3D <16384>;
+			snps,multicast-filter-bins =3D <256>;
 			status =3D "disabled";
 		};
=20
--=20
2.11.0