From 7b466039798f38e5e1314f1c2a492dc17dbebc01 Mon Sep 17 00:00:00 2001
From: Alex Griffin
Date: Fri, 31 May 2019 09:50:54 -0500
Subject: [PATCH] services: Add load-broadcom-sta-service.
* nongnu/services/kernel-modules.scm: New file.
---
nongnu/services/kernel-modules.scm | 75 ++++++++++++++++++++++++++++++
1 file changed, 75 insertions(+)
create mode 100644 nongnu/services/kernel-modules.scm
diff --git a/nongnu/services/kernel-modules.scm b/nongnu/services/kernel-modules.scm
new file mode 100644
index 0000000..4fac783
--- /dev/null
+++ b/nongnu/services/kernel-modules.scm
@@ -0,0 +1,75 @@
+;;; Copyright © 2019 Alex Griffin
+;;;
+;;; This program is free software: you can redistribute it and/or modify
+;;; it under the terms of the GNU General Public License as published by
+;;; the Free Software Foundation, either version 3 of the License, or
+;;; (at your option) any later version.
+;;;
+;;; This program is distributed in the hope that it will be useful,
+;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+;;; GNU General Public License for more details.
+;;;
+;;; You should have received a copy of the GNU General Public License
+;;; along with this program. If not, see .
+
+(define-module (nongnu services kernel-modules)
+ #:use-module (gnu packages linux)
+ #:use-module (gnu services)
+ #:use-module (gnu services base)
+ #:use-module (gnu services shepherd)
+ #:use-module (guix gexp)
+ #:use-module (guix records)
+ #:use-module (ice-9 match)
+ #:use-module (nongnu packages linux)
+ #:export (load-broadcom-sta-service))
+
+;;;
+;;; broadcom-sta
+;;;
+
+(define-record-type*
+ load-broadcom-sta-configuration make-load-broadcom-sta-configuration
+ load-broadcom-sta-configuration?
+ (package load-broadcom-sta-configuration-package
+ (default broadcom-sta)))
+
+(define load-broadcom-sta-shepherd-service
+ (match-lambda
+ (($ package)
+ (list
+ (shepherd-service
+ (documentation "Load nonfree Broadcom wireless driver.")
+ (provision '(load-broadcom-sta))
+ (respawn? #f)
+ (start
+ #~(lambda _
+ (and
+ (zero? (system* "modprobe" "cfg80211"))
+ (zero? (system* "modprobe" "lib80211"))
+ (zero? (system* "env" (string-append
+ "LINUX_MODULE_DIRECTORY="
+ #$(file-append package "/lib/modules"))
+ "modprobe" "wl"))))))))))
+
+(define load-broadcom-sta-service-type
+ (service-type
+ (name 'load-broadcom-sta)
+ (extensions
+ (list
+ (service-extension profile-service-type
+ (compose list load-broadcom-sta-configuration-package))
+ (service-extension shepherd-root-service-type
+ load-broadcom-sta-shepherd-service)))
+ (description "Load the nonfree Broadcom wireless driver.")
+ (default-value (load-broadcom-sta-configuration))))
+
+(define* (load-broadcom-sta-service #:key (broadcom-sta broadcom-sta))
+ "Return a service that loads the nonfree Broadcom wireless driver.
+
+Users should also blacklist conflicting modules by adding the following
+to kernel-arguments:
+modprobe.blacklist=b43,b43legacy,ssb,bcm43xx,brcm80211,brcmfmac,brcmsmac,bcma"
+ (service load-broadcom-sta-service-type
+ (load-broadcom-sta-configuration
+ (package broadcom-sta))))