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* [bug#41515] [PATCH] services: nfs: Expose configuration options for TCP and UDP.
@ 2020-05-24 19:28 maxim.cournoyer
  2020-05-24 19:47 ` Brice Waegeneire via web
  0 siblings, 1 reply; 3+ messages in thread
From: maxim.cournoyer @ 2020-05-24 19:28 UTC (permalink / raw)
  To: 41515


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Hello!

While attempting to NFS boot an embedded board, it discovered that
U-Boot expects the server to listen to UDP, which it doesn't by default.

This patch adds a switch to make it possible to configure to what kind
of sockets (TCP/UDP or both) the NFS server listens to.

Maxim


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From 0fffe89255c313ff3b7993f95627377046312a27 Mon Sep 17 00:00:00 2001
From: Maxim Cournoyer <maxim.cournoyer@gmail.com>
Date: Sun, 24 May 2020 15:04:45 -0400
Subject: [PATCH] services: nfs: Expose configuration options for TCP and UDP.

* gnu/services/nfs.scm (<nfs-configuration>)[nfsd-tcp?, nfsd-udp?]: New
fields.
(nfs-shepherd-services)[rpc.nfsd]: Populate the --{no-,}tcp and --{no-,}udp
command line options based on the values of the nfsd-tcp? and nfsd-upd?
fields.
* doc/guix.texi (Network File System): Add doc.
---
 doc/guix.texi        |  6 ++++++
 gnu/services/nfs.scm | 14 +++++++++++++-
 2 files changed, 19 insertions(+), 1 deletion(-)

diff --git a/doc/guix.texi b/doc/guix.texi
index 216422fe31..fb18fa5831 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -22791,6 +22791,12 @@ The network port that the @command{nfsd} daemon should use.
 @item @code{nfsd-threads} (default: @code{8})
 The number of threads used by the @command{nfsd} daemon.
 
+@item @code{nfsd-tcp?} (default: @code{#t})
+Whether the @command{nfsd} daemon should listen on a TCP socket.
+
+@item @code{nfsd-udp?} (default: @code{#f})
+Whether the @command{nfsd} daemon should listen on a UDP socket.
+
 @item @code{pipefs-directory} (default: @code{"/var/lib/nfs/rpc_pipefs"})
 The directory where the pipefs file system is mounted.
 
diff --git a/gnu/services/nfs.scm b/gnu/services/nfs.scm
index 4e358197e2..859097e788 100644
--- a/gnu/services/nfs.scm
+++ b/gnu/services/nfs.scm
@@ -1,6 +1,7 @@
 ;;; GNU Guix --- Functional package management for GNU
 ;;; Copyright © 2016 John Darrington <jmd@gnu.org>
 ;;; Copyright © 2018, 2019, 2020 Ricardo Wurmus <rekado@elephly.net>
+;;; Copyright © 2020 Maxim Cournoyer <maxim.cournoyer@gmail.com>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -261,6 +262,10 @@
                        (default 2049))
   (nfsd-threads        nfs-configuration-nfsd-threads
                        (default 8))
+  (nfsd-tcp?           nfs-configuration-nfsd-tcp?
+                       (default #t))
+  (nfsd-udp?           nfs-configuration-nfsd-udp?
+                       (default #f))
   (pipefs-directory    nfs-configuration-pipefs-directory
                        (default default-pipefs-directory))
   ;; List of modules to debug; any of nfsd, nfs, rpc, idmap, statd, or mountd.
@@ -272,6 +277,7 @@
   (match-record config <nfs-configuration>
     (nfs-utils nfs-versions exports
                rpcmountd-port rpcstatd-port nfsd-port nfsd-threads
+               nfsd-tcp? nfsd-udp?
                pipefs-directory debug)
     (list (shepherd-service
            (documentation "Mount the nfsd pseudo file system.")
@@ -332,7 +338,13 @@
                                #$@(map (lambda (version)
                                          (string-append "--nfs-version=" version))
                                        nfs-versions)
-                               #$(number->string nfsd-threads))))))
+                               #$(number->string nfsd-threads)
+                               #$(if nfsd-tcp?
+                                     "--tcp"
+                                     "--no-tcp")
+                               #$(if nfsd-udp?
+                                     "--udp"
+                                     "--no-udp"))))))
            (stop
             #~(lambda _
                 (zero?
-- 
2.26.2


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2020-05-24 19:28 [bug#41515] [PATCH] services: nfs: Expose configuration options for TCP and UDP maxim.cournoyer
2020-05-24 19:47 ` Brice Waegeneire via web
2020-05-30  4:57   ` bug#41515: " Maxim Cournoyer

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