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|
{ config, lib, pkgs, ... }:
with lib;
let
inherit (config.networking) pppInterface;
in {
options = {
networking.pppInterface = mkOption {
type = types.str;
default = "ppp";
};
};
config = {
networking.vlans = {
telekom = {
id = 7;
interface = "eno2";
};
};
services.pppd = {
enable = true;
package = pkgs.ppp.overrideAttrs (oldAttrs: {
patches = (oldAttrs.patches or []) ++ [
./no-double-timeout.patch
];
});
peers.telekom.config = ''
nodefaultroute
ifname ${pppInterface}
lcp-echo-adaptive
lcp-echo-failure 10
lcp-echo-interval 1
maxfail 0
mtu 1492
mru 1492
plugin pppoe.so
pppoe-padi-timeout 1
pppoe-padi-attempts 10
user congstar
password congstar
nic-telekom
debug
+ipv6
'';
};
systemd.services."pppd-telekom" = {
stopIfChanged = true;
serviceConfig = {
Type = lib.mkForce "notify";
ExecStart = lib.mkForce "${getBin config.services.pppd.package}/sbin/pppd call telekom up_sdnotify nolog";
PIDFile = "/run/pppd/${pppInterface}.pid";
};
restartTriggers = with config; [
environment.etc."ppp/ip-pre-up".source
environment.etc."ppp/ip-up".source
environment.etc."ppp/ip-down".source
];
};
environment.etc = {
"ppp/ip-pre-up".source = pkgs.resholve.writeScript "ip-pre-up" {
interpreter = pkgs.runtimeShell;
inputs = [ pkgs.iproute2 pkgs.ethtool ];
execer = [
"cannot:${lib.getExe' pkgs.iproute2 "ip"}"
"cannot:${lib.getExe' pkgs.iproute2 "tc"}"
];
} ''
ethtool -K telekom tso off gso off gro off
ip link del "ifb4$1" || true
ip link add name "ifb4$1" type ifb
ip link set "ifb4$1" up
tc qdisc del dev "ifb4$1" root || true
tc qdisc del dev "$1" ingress || true
tc qdisc del dev "$1" root || true
tc qdisc add dev "$1" handle ffff: ingress
tc filter add dev "$1" parent ffff: basic action ctinfo dscp 0x0000003f 0x00000040 action mirred egress redirect dev "ifb4$1"
tc qdisc replace dev "ifb4$1" root cake memlimit 128Mb overhead 35 mpu 74 regional diffserv4 bandwidth ${toString (builtins.floor (177968 * 0.95))}kbit
tc qdisc replace dev "$1" root cake memlimit 128Mb overhead 35 mpu 74 regional nat diffserv4 wash bandwidth ${toString (builtins.floor (41216 * 0.95))}kbit
'';
"ppp/ip-up".source = pkgs.resholve.writeScript "ip-up" {
interpreter = pkgs.runtimeShell;
inputs = [ pkgs.iproute2 ];
execer = [ "cannot:${lib.getExe' pkgs.iproute2 "ip"}" ];
} ''
ip addr add "$4" peer "$5"/32 dev "$1"
ip route add default dev "$1" metric 512
'';
"ppp/ip-down".source = pkgs.resholve.writeScript "ip-down" {
interpreter = pkgs.runtimeShell;
inputs = [ pkgs.iproute2 ];
execer = [ "cannot:${lib.getExe' pkgs.iproute2 "ip"}" ];
} ''
ip link del "ifb4$1"
'';
};
systemd.package = pkgs.systemd.overrideAttrs (oldAttrs: {
patches = (oldAttrs.patches or []) ++ [
(pkgs.fetchpatch {
url = "https://github.com/sysedwinistrator/systemd/commit/b9691a43551739ddacdb8d53a4312964c3ddfa08.patch";
hash = "sha256-TLfOTFodLzCVywnF4Xp4BR2Pja0Qq4ItE/yaKkzI414=";
})
];
});
systemd.network.networks = {
"40-${pppInterface}" = {
matchConfig.Name = pppInterface;
dns = [ "::1" "127.0.0.1" ];
domains = [ "~." ];
networkConfig = {
DHCP = true;
DNSSEC = true;
};
dhcpV6Config = {
PrefixDelegationHint = "::/64";
WithoutRA = "solicit";
};
};
};
boot.kernelModules = [ "ifb" ];
boot.kernel.sysctl = {
"net.ipv6.conf.all.forwarding" = true;
"net.ipv6.conf.default.forwarding" = true;
"net.ipv4.conf.all.forwarding" = true;
"net.ipv4.conf.default.forwarding" = true;
"net.core.rmem_max" = 4194304;
"net.core.wmem_max" = 4194304;
};
systemd.services."pppd-telekom" = {
bindsTo = [ "sys-subsystem-net-devices-telekom.device" ];
after = [ "sys-subsystem-net-devices-telekom.device" ];
};
systemd.services.unbound = {
serviceConfig = {
Restart = lib.mkForce "always";
};
};
};
}
|
