53 lines
1.4 KiB
Nix
53 lines
1.4 KiB
Nix
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{ lib
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, config
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, ...
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}:
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let
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cfg = config.phone;
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in
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{
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options = {
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phone.rndis.enable = lib.mkEnableOption "rndis";
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};
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config = lib.mkIf cfg.rndis.enable {
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boot.initrd.kernelModules = [ "configfs" "libcomposite" ];
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boot.initrd.availableKernelModules = [ "usb_f_rndis" "usb_f_ncm" ];
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boot.specialFileSystems = {
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"/sys/kernel/config" = {
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device = "configfs";
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fsType = "configfs";
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options = [ "nosuid" "noexec" "nodev" ];
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};
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};
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boot.initrd.preLVMCommands = ''
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if ! mountpoint /sys/kernel/config; then
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specialMount configfs /sys/kernel/config nosuid,noexec,nodev configfs
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fi
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mkdir -p /sys/kernel/config/usb_gadget/g1/strings/0x409
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cd /sys/kernel/config/usb_gadget/g1
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echo 0x18D1 > idVendor
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echo 0xD001 > idProduct
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echo nixos-device > strings/0x409/product
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echo NixOS > strings/0x409/manufacturer
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echo 0123456789 > strings/0x409/serialnumber
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mkdir -p configs/c.1/strings/0x409
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echo "USB network" > configs/c.1/strings/0x409/configuration
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mkdir -p functions/ncm.usb0 || mkdir -p functions/rndis.usb0
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ln -s functions/ncm.usb0 configs/c.1/ || ln -s functions/rndis.usb0 configs/c.1/
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ls /sys/class/udc/ | head -n1 > UDC
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cd /
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ifconfig rndis0 172.16.42.1 || ifconfig usb0 172.16.42.1 || ifconfig eth0 172.16.42.1
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'';
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boot.initrd.network.enable = true;
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boot.initrd.network.udhcpc.enable = false;
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};
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}
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