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add hacky wwan service with hardcoding all over

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Daniel Barlow 2024-05-14 22:19:34 +01:00 committed by Raito Bezarius
parent 0f520ceee2
commit fa7fde87db
2 changed files with 36 additions and 11 deletions
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12
examples/l2tp.nix
View file

@ -31,12 +31,10 @@ in rec {
];
hostname = "thing";
services.dhcpc =
let iface = config.hardware.networkInterfaces.lan;
in svc.network.dhcp.client.build {
interface = iface;
dependencies = [ config.services.hostname ];
};
services.dhcpc = svc.network.dhcp.client.build {
interface = config.services.wwan;
dependencies = [ config.services.hostname ];
};
services.sshd = svc.ssh.build { };
@ -85,6 +83,4 @@ in rec {
passwd = lib.mkForce secrets.root.passwd;
openssh.authorizedKeys.keys = secrets.root.keys;
};
}

35
modules/cdc-ncm/default.nix
View file

@ -1,5 +1,8 @@
{ config, ... }:
{
{ config, pkgs, lib, ... }:
let
inherit (pkgs.liminix.services) oneshot;
svc = config.system.service;
in {
config = {
kernel.config = {
USB_NET_HUAWEI_CDC_NCM = "y";
@ -8,6 +11,33 @@
USB_SERIAL_OPTION = "y";
};
# https://www.0xf8.org/2017/01/flashing-a-huawei-e3372h-4g-lte-stick-from-hilink-to-stick-mode/
services.wwan = let
chat = lib.escapeShellArgs [
"" "AT"
"OK" "ATZ"
"OK" "AT+CGDCONT=1,\"IP\",\"data.uk\""
"OK" "AT+CGACT=1,1"
# caret is special to chat, so needs escaping in AT commands
"OK" "AT\\^AUTHDATA=1,2,\"1p\",\"one2one\",\"user\""
"OK" "AT\\^NDISDUP=1,1" # ,\"data.uk\",\"user\",\"one2one\",2"
];
modemConfig = oneshot {
name = "modem-configure";
up = ''
sleep 2
${pkgs.usb-modeswitch}/bin/usb_modeswitch -v 12d1 -p 14fe --huawei-new-mode
sleep 5
${pkgs.ppp}/bin/chat -s -v ${chat} 0<>/dev/ttyUSB0 1>&0
'';
down = "chat -v '' ATZ OK </dev/ttyUSB0 >&0";
};
in svc.network.link.build {
ifname = "wwan0";
dependencies = [ modemConfig ];
};
# an ncm ethernet adaptor does
# * usb modeswitch
# * AT commands
@ -19,4 +49,3 @@
# https://stackoverflow.com/questions/5477882/how-to-i-detect-whether-a-tty-belonging-to-a-gsm-3g-modem-is-a-data-or-control-p
};
}