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122 commits

Author SHA1 Message Date
Daniel Barlow
615c2de537 extract module top-level comment to docs 2023-08-07 22:14:58 +01:00
Daniel Barlow
6d619ee8b5 add some missing descriptions 2023-08-07 21:43:12 +01:00
Daniel Barlow
2414dd4b55 convert ntp to serviceDefn 2023-08-05 14:16:54 +01:00
Daniel Barlow
93e04bb834 convert bridge service to serviceDefn 2023-08-05 14:10:14 +01:00
Daniel Barlow
f82501d278 update hostapd to "build" syntax 2023-08-05 12:21:18 +01:00
Daniel Barlow
90c1d59aca convert firewall service to new serviceDefn 
this is a bit kludgey with dependencies, need to
come back and look at that
 2023-08-05 12:07:35 +01:00
Daniel Barlow
fbb2c04132 move module-based-service parameter types into service 
This is in preparation for writing something that extracts them
into documentation.

user configurations now call config.system.service.foo.build { ...params }
instead of config.system.service.foo

the parameter type definitions themselves now move into the
config stanza of the module referencing the service

new helper function  liminix.callService

The only service moved so far is dnsmasq
 2023-08-04 20:39:29 +01:00
Daniel Barlow
c3631f4c9d improve grammar of mkEnableOption descriptions 2023-08-04 20:19:27 +01:00
Daniel Barlow
4689cebf8d fix illegal module options 2023-08-04 20:07:06 +01:00
Daniel Barlow
7fad66ff27 fix makestep type 2023-07-22 23:50:01 +01:00
Daniel Barlow
bf1d9beec1 add first version of ntp module 2023-07-22 23:25:25 +01:00
Daniel Barlow
9b70fd62f6 extract bridge to module-based services 2023-07-20 12:02:09 +01:00
Daniel Barlow
648ea5613b use module-based-service for hostapd 2023-07-16 17:51:50 +01:00
Daniel Barlow
f73a9d82dc add comments 2023-07-16 17:51:50 +01:00
Daniel Barlow
d7f3e05063 turn nftables firewall into a service-providing module 2023-07-16 17:51:50 +01:00
Daniel Barlow
669af24247 make a module for dnsmasq 2023-07-14 23:18:21 +01:00
Daniel Barlow
df6cfe1cd5 move pppoe service derivation into ppp module dir 2023-07-14 21:35:59 +01:00
Daniel Barlow
c13defc891 rename modules/ppp.nix -> modules/ppp/default.nix 2023-07-14 21:08:33 +01:00
Daniel Barlow
682183a88d move typeChecked into pkgs.liminix.lib 2023-07-14 20:22:29 +01:00
Daniel Barlow
69e6eb5a89 accept attr args to pppoe service, and typecheck them 
We use (abuse, arguably) the nixos module system for typechecking.  Un
the plus side, it gives us documentation of the options and their
expected types. On the downside, the error message doesn't tell us
the file in which the error was encountered.

(This is subject to change, if I can find a better way)
 2023-07-14 16:53:36 +01:00
Daniel Barlow
9441f48819 new ppp module, used by rotuer 
The objective here is that services which depend on global config
(e.g. kernel config or busybox options or static paths in the
filesystem) now live under config.system.service, and are added
to that collection by the module that defines the necessary state.

This is a first step: the services will be configured by a typechecked
attr set instead of the arbitrary arguments that
pkgs.liminix.networking.pppoe accepts
 2023-07-13 19:44:14 +01:00
Daniel Barlow
2e50368bd2 rename config.outputs to config.system.outputs 
New rules: everything under "config" that isn't actually configuration
(e.g. build products) will in future live in config.system. This is
the first step.
 2023-07-13 19:24:59 +01:00
Daniel Barlow
b6e72504d6 ipv6 default route 
needs to specify the ppp0 *peer* address not the local address
 2023-06-30 10:17:33 +01:00
Daniel Barlow
447f068569 partly support getting IPv6 addresses 
- gets interface id from ppp
- runs odhcpc to get RA and prefix delegation
- doesn't do anything useful with the data yet
 2023-05-24 23:01:50 +01:00
Daniel Barlow
bc27f121d9 /etc/ashrc for interactive non-login shells 2023-05-21 17:08:32 +01:00
Daniel Barlow
a48d51ffdc keep dropbear host keys in /persist if it exists 2023-05-21 12:01:42 +01:00
Daniel Barlow
68ab6faeb3 write etc/nix-store-paths in systemConfiguration 2023-05-19 23:57:50 +01:00
Daniel Barlow
b0a0fdcfcc add "standard" module, which includes flashimage kexec & jffs2 
most systems need most of these, so it makes writing the docs a
lot easier
 2023-05-17 15:38:22 +01:00
Daniel Barlow
67768004ee erase full flash, it seems to help with jffs2 2023-04-26 22:19:01 +01:00
Daniel Barlow
26c6eac937 delete config boot.tftp.enable as it doesn't enable anything 2023-04-26 22:18:23 +01:00
Daniel Barlow
4cfaed7303 specify root device as /dev/mtdblockn 
the (openwrt?) magic that autodetects it based on mtd labels
won't work with a two-stage boot
 2023-04-26 22:16:15 +01:00
Daniel Barlow
6d6dbe1cbb tftpboot: allow padding image with freeSpaceBytes 
this is useful for writable filesystems so that there's more than
an erase block of space to write into
 2023-04-26 22:15:19 +01:00
Daniel Barlow
2f3b108ef1 tftpboot: set phram erase block size to match hardware 
this is needed for tftp boot with a jffs2 filesystem
 2023-04-23 21:24:37 +01:00
Daniel Barlow
2c4f8b823e remove jffs2boot target 
It's not needed now initramfs is compiled into the kernel.
 2023-04-23 20:56:20 +01:00
Daniel Barlow
99af416e14 use /bin/sh for init scripts 2023-04-19 21:41:05 +01:00
Daniel Barlow
5dd0c6e3c0 rewrite preinit as very small C program 
By using the kernel "nolibc" header to avoid requiring a C library, we
can bring the initramfs size to around 4k

This does involve a tiny bit of inline mips assembly which I'm not
sure about. gcc seems unwilling to generate the code to load $gp at
function entry of main(), so we do it by hand - but I'd rather find
out why gcc doesn't.
 2023-04-15 18:27:39 +01:00
Daniel Barlow
b1a89ae8c3 jffs2: squash uids, enable lzo compression 2023-04-15 17:23:58 +01:00
Daniel Barlow
1cc0b13b57 rewrite systemconfig in C and link statically 
systemconfig (a.k.a "activate") is run from the initramfs. Converting
it from a shell script to an executable means it doesn't depend on
there being a shell in the initramfs
 2023-04-15 17:21:27 +01:00
Brian McKenna
fb796e61e0 pseudofile: allow setting uid and gid of files 
Necessary for Dropbear to accept non-root authorized_keys files.
 2023-04-14 23:12:52 +01:00
Daniel Barlow
9f3c80e774 make initramfs busybox (very slightly) smaller 2023-04-11 23:08:02 +01:00
Daniel Barlow
2566dc564c remove need for symlinks in initramfs busybox 2023-04-10 22:57:50 +01:00
Daniel Barlow
0ad7b0e48b don't hardcode mtd0 initramfs->second stage 2023-04-10 22:57:50 +01:00
Daniel Barlow
0a2881914b set erase block size to something that works for jffs2 2023-04-10 22:57:50 +01:00
Daniel Barlow
4638092d3d build initramfs into kernel 
this doesn't matter for qemu, but there's no other way of
getting a hardware device to find it if the bootloader
won't co-operate
 2023-04-10 22:57:50 +01:00
Daniel Barlow
633a4f8003 move BLK_DEV_INITRD to base.nix 2023-04-10 22:57:50 +01:00
Daniel Barlow
42725f56f9 make jffs2 module provide o.rootfs, conditionally 
it's enabled if config.rootfsType == "jffs2"
 2023-04-10 20:01:58 +01:00
Daniel Barlow
63a89f7d0d add config.boot.initramfs.enable 2023-04-10 19:07:27 +01:00
Daniel Barlow
07eb3d66da remove unused combined-image output 2023-04-10 18:15:48 +01:00
Daniel Barlow
0687ae7f5c rename flashable->flashimage, o.squashfs to rootfs 
"rootfs" describes what it is for, "squashfs" merely says
how it's implemented

(also, rootfs-as-jffs2 will soon be added)
 2023-04-10 18:13:27 +01:00
Daniel Barlow
f5156425a2 correct jffs2 endian, remove unused bindings 2023-04-07 09:39:47 +01:00