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ramips: restore full switch performance for USW-Flex

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Since commit f1c9afd80138 ("ramips: mt7621-dts: mux phy0/4 to gmac1") the
USW-Flex lan1 port has been attached directly to the CPU. This improves
routing performance but hinders switching.

This is a generally accepted trade-off in that commit but for USW-Flex it
is a questionable choice. This switch is designed to deliver PoE to remote
places and using it as a router is unlikely. Meanwhile, the lan1 port is
also PoE-in and will often be the uplink, carrying most of the traffic.

Reverting f1c9afd80138 for USW-Flex restores full 1 Gbps switching
performance on all ports.

Signed-off-by: Anders Melchiorsen <amelchio@nogoto.net>
Link: https://github.com/openwrt/openwrt/pull/17703
Signed-off-by: Robert Marko <robimarko@gmail.com>
This commit is contained in:
Anders Melchiorsen 2025-01-22 21:54:57 +01:00 committed by Robert Marko
parent d2eaaa90d5
commit 62872f8bfd
1 changed files with 5 additions and 13 deletions
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18
target/linux/ramips/dts/mt7621_ubnt_usw-flex.dts
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@ -64,19 +64,6 @@
label = "dsa";
};
&gmac1 {
status = "okay";
label = "lan1";
phy-handle = <&ethphy4>;
nvmem-cells = <&macaddr_eeprom>;
nvmem-cell-names = "mac-address";
};
&ethphy4 {
/delete-property/ interrupts;
};
&switch0 {
ports {
port@0 {
@ -98,6 +85,11 @@
status = "okay";
label = "lan2";
};
port@4 {
status = "okay";
label = "lan1";
};
};
};