Thread (214 messages) 214 messages, 6 authors, 2018-11-21
STALE2790d

[PATCH 4.19 069/205] arm64: dts: stratix10: Support Ethernet Jumbo frame

From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date: 2018-11-19 16:34:48
Also in: lkml
Subsystem: arm/socfpga architecture, the rest · Maintainers: Dinh Nguyen, Linus Torvalds

4.19-stable review patch.  If anyone has any objections, please let me know.

------------------

commit a27460c9768ee19949c5b91f3d959ccd88c2a64a upstream

Properly specify the RX and TX FIFO size which is important
for Jumbo frames.
Update the max-frame-size to support Jumbo frames.

Signed-off-by: Thor Thayer <redacted>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi      | 6 ++++++
 arch/arm64/boot/dts/altera/socfpga_stratix10_socdk.dts | 2 +-
 2 files changed, 7 insertions(+), 1 deletion(-)
diff --git a/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi b/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi
index bc6c141d7372..003677e273a5 100644
--- a/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi
+++ b/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi
@@ -137,6 +137,8 @@
 			reset-names = "stmmaceth", "stmmaceth-ocp";
 			clocks = <&clkmgr STRATIX10_EMAC0_CLK>;
 			clock-names = "stmmaceth";
+			tx-fifo-depth = <16384>;
+			rx-fifo-depth = <16384>;
 			status = "disabled";
 		};
 
@@ -150,6 +152,8 @@
 			reset-names = "stmmaceth", "stmmaceth-ocp";
 			clocks = <&clkmgr STRATIX10_EMAC1_CLK>;
 			clock-names = "stmmaceth";
+			tx-fifo-depth = <16384>;
+			rx-fifo-depth = <16384>;
 			status = "disabled";
 		};
 
@@ -163,6 +167,8 @@
 			reset-names = "stmmaceth", "stmmaceth-ocp";
 			clocks = <&clkmgr STRATIX10_EMAC2_CLK>;
 			clock-names = "stmmaceth";
+			tx-fifo-depth = <16384>;
+			rx-fifo-depth = <16384>;
 			status = "disabled";
 		};
 
diff --git a/arch/arm64/boot/dts/altera/socfpga_stratix10_socdk.dts b/arch/arm64/boot/dts/altera/socfpga_stratix10_socdk.dts
index 6edc4fa9fd42..7c661753bfaf 100644
--- a/arch/arm64/boot/dts/altera/socfpga_stratix10_socdk.dts
+++ b/arch/arm64/boot/dts/altera/socfpga_stratix10_socdk.dts
@@ -76,7 +76,7 @@
 	phy-mode = "rgmii";
 	phy-handle = <&phy0>;
 
-	max-frame-size = <3800>;
+	max-frame-size = <9000>;
 
 	mdio0 {
 		#address-cells = <1>;
-- 
2.17.1
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