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# https://skogsbrus.xyz/blog/2022/06/12/router/
# https://blog.fraggod.net/2017/04/27/wifi-hostapd-configuration-for-80211ac-networks.html
{
config,
lib,
...
}: let
cfg = config.personal.networking;
in {
imports = [./bridges.nix ./services];
options.personal.networking = {
networks = lib.mkOption {
type = with lib.types;
attrsOf (submodule {
options = {
device = lib.mkOption {
type = with lib.types; nullOr str;
default = null;
description = "Name of the network device.";
example = "wlp1s0";
};
interface = lib.mkOption {
type = lib.types.str;
description = "Name of the network interface.";
example = "enp4s0";
};
subnet = lib.mkOption {
type = lib.types.str;
description = "IPv4 subnet of the network.";
example = "192.168.1";
};
machines = lib.mkOption {
type = with lib.types;
attrsOf (submodule {
options = {
ip = lib.mkOption {
type = lib.types.str;
description = "IP address of this machine.";
example = "192.168.1.1";
};
mac = lib.mkOption {
type = with lib.types; nullOr str;
description = "MAC address of this machine.";
default = null;
example = "01:23:45:67:89:ab";
};
};
});
description = "Some machines connected to this network.";
};
};
});
description = "Networks this device belongs to.";
};
};
config = {
personal.networking = {
enable = true;
ssh.enable = true;
networks = {
lan = let
device = "enp4s0";
in {
inherit device;
interface = device;
subnet = "192.168.1";
machines = {
livebox = {ip = "192.168.1.1";};
self = {ip = "192.168.1.2";};
};
};
wan = {
device = "wlp1s0";
interface = "wan";
subnet = "192.168.2";
machines = {self.ip = "192.168.2.1";};
};
iot = {
device = "wlp5s0";
interface = "iot";
subnet = "192.168.3";
machines = {
self.ip = "192.168.3.1";
sonos-move = {
ip = "192.168.3.10";
mac = "54:2a:1b:73:7a:1e";
};
sonos-play1 = {
ip = "192.168.3.11";
mac = "5c:aa:fd:44:b2:6a";
};
};
};
eth0 = {
device = "enp3s0";
interface = "enp3s0";
subnet = "192.168.4";
machines = {
self.ip = "192.168.4.1";
steam-deck = {
ip = "192.168.4.10";
mac = "10:82:86:22:90:17";
};
};
};
};
};
networking = {
hostName = "kerberos";
domain = "local";
nameservers = [cfg.networks.lan.machines.livebox.ip];
defaultGateway = with cfg.networks.lan; {
inherit interface;
address = machines.livebox.ip;
};
useDHCP = false;
dhcpcd.enable = false;
interfaces =
lib.concatMapAttrs (_: {
interface,
machines,
...
}: {
"${interface}" = {
useDHCP = false;
ipv4.addresses = lib.optional (machines ? self) {
address = machines.self.ip;
prefixLength = 24;
};
};
})
cfg.networks;
};
};
}
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