From b8dea2ed3412f8d50253051f520177df35f49f85 Mon Sep 17 00:00:00 2001
From: Daniel Barlow <dan@telent.net>
Date: Mon, 2 Oct 2023 18:59:23 +0100
Subject: [PATCH] rt3200: add DSA

this creates a bunch of network interfaces {lan[1234],wan}@eth0
---
 devices/belkin-rt3200/default.nix | 23 +++++++++++++++++------
 1 file changed, 17 insertions(+), 6 deletions(-)

diff --git a/devices/belkin-rt3200/default.nix b/devices/belkin-rt3200/default.nix
index d293222..4057982 100644
--- a/devices/belkin-rt3200/default.nix
+++ b/devices/belkin-rt3200/default.nix
@@ -40,7 +40,6 @@
         ARCH_MEDIATEK = "y";
         # ARM_MEDIATEK_CPUFREQ = "y";
 
-
         # needed for "Cannot find regmap for /infracfg@10000000"
         MFD_SYSCON = "y";
         MTK_INFRACFG = "y";
@@ -85,6 +84,12 @@
         MMC_CQHCI = "y";
         MMC_MTK = "y";
 
+        # Distributed Switch Architecture is needed
+        # to make the ethernet ports visible
+        NET_DSA="y";
+        NET_DSA_MT7530="y";
+        NET_DSA_TAG_MTK="y";
+
         PSTORE = "y";
         PSTORE_RAM = "y";
         PSTORE_CONSOLE = "y";
@@ -129,12 +134,18 @@
 
         flash.eraseBlockSize = "65536"; # c.f. pkgs/mips-vm/mips-vm.sh
         networkInterfaces =
-          let inherit (config.system.service.network) link;
-          in {
-            wan = link.build { ifname = "eth0"; };
-            lan = link.build { ifname = "eth1"; };
+          let
+            inherit (config.system.service.network) link;
+            inherit (config.system.service) bridge;
+          in rec {
+            wan = link.build { ifname = "wan"; };
+            lan1 = link.build { ifname = "lan1"; };
+            lan2 = link.build { ifname = "lan2"; };
+            lan3 = link.build { ifname = "lan3"; };
+            lan4 = link.build { ifname = "lan4"; };
+            lan = lan3;
 
-            wlan_24 = link.build {
+            wlan = link.build {
               ifname = "wlan0";
               dependencies = [ mac80211 ];
             };