[oe] [PATCH v2] busybox-1.11.3/busybox-1.13.2: enable backgrounding for udhcpc

[Steffen Sledz]

* The former default behaviour was to exit with failure if lease is not
  immediately obtained. This results in permanent network disconnect if DHCP
  server is (accidentally) not available at boot time. :(

* Since bb 1.14 this is no longer hardcoded and can be configured.

Signed-off-by: Steffen Sledz <sledz at dresearch.de>
---
 .../busybox/busybox-1.11.3/udhcpc-background.patch |   21 ++++++++++++++++++++
 .../busybox/busybox-1.13.2/udhcpc-background.patch |   21 ++++++++++++++++++++
 recipes/busybox/busybox_1.11.3.bb                  |    1 +
 recipes/busybox/busybox_1.13.2.bb                  |    1 +
 4 files changed, 44 insertions(+), 0 deletions(-)
 create mode 100644 recipes/busybox/busybox-1.11.3/udhcpc-background.patch
 create mode 100644 recipes/busybox/busybox-1.13.2/udhcpc-background.patch

diff --git a/recipes/busybox/busybox-1.11.3/udhcpc-background.patch b/recipes/busybox/busybox-1.11.3/udhcpc-background.patch
new file mode 100644
index 0000000..072ce88
--- /dev/null
+++ b/recipes/busybox/busybox-1.11.3/udhcpc-background.patch
@@ -0,0 +1,21 @@
+diff -Nurd busybox-1.11.3.orig//networking/ifupdown.c busybox-1.11.3/networking/ifupdown.c
+--- busybox-1.11.3.orig//networking/ifupdown.c	2010-06-15 08:45:44.000000000 +0200
++++ busybox-1.11.3/networking/ifupdown.c	2010-06-15 08:46:09.000000000 +0200
+@@ -476,7 +476,7 @@
+ 		"pump -i %iface% -k",
+ 	},
+ 	{ "udhcpc",
+-		"udhcpc -R -n -p /var/run/udhcpc.%iface%.pid -i %iface%[[ -H %hostname%]][[ -c %clientid%]]"
++		"udhcpc -R -b -p /var/run/udhcpc.%iface%.pid -i %iface%[[ -H %hostname%]][[ -c %clientid%]]"
+ 				"[[ -s %script%]][[ %udhcpc_opts%]]",
+ 		"kill `cat /var/run/udhcpc.%iface%.pid` 2>/dev/null",
+ 	},
+@@ -507,7 +507,7 @@
+ 	if (!execute("ip link set %iface% up", ifd, exec))
+ 		return 0;
+ #endif
+-	return execute("udhcpc -R -n -p /var/run/udhcpc.%iface%.pid "
++	return execute("udhcpc -R -b -p /var/run/udhcpc.%iface%.pid "
+ 			"-i %iface%[[ -H %hostname%]][[ -c %clientid%]][[ -s %script%]][[ %udhcpc_opts%]]",
+ 			ifd, exec);
+ }
diff --git a/recipes/busybox/busybox-1.13.2/udhcpc-background.patch b/recipes/busybox/busybox-1.13.2/udhcpc-background.patch
new file mode 100644
index 0000000..792023d
--- /dev/null
+++ b/recipes/busybox/busybox-1.13.2/udhcpc-background.patch
@@ -0,0 +1,21 @@
+diff -Nurd busybox-1.13.2.orig//networking/ifupdown.c busybox-1.13.2/networking/ifupdown.c
+--- busybox-1.13.2.orig//networking/ifupdown.c	2010-06-15 08:37:32.000000000 +0200
++++ busybox-1.13.2/networking/ifupdown.c	2010-06-15 08:38:05.000000000 +0200
+@@ -487,7 +487,7 @@
+ 		"pump -i %iface% -k",
+ 	},
+ 	{ "udhcpc",
+-		"udhcpc -R -n -p /var/run/udhcpc.%iface%.pid -i %iface%[[ -H %hostname%]][[ -c %clientid%]]"
++		"udhcpc -R -b -p /var/run/udhcpc.%iface%.pid -i %iface%[[ -H %hostname%]][[ -c %clientid%]]"
+ 				"[[ -s %script%]][[ %udhcpc_opts%]]",
+ 		"kill `cat /var/run/udhcpc.%iface%.pid` 2>/dev/null",
+ 	},
+@@ -526,7 +526,7 @@
+ 	if (!execute("ifconfig %iface%[[ hw %hwaddress%]] up", ifd, exec))
+ 		return 0;
+ #endif
+-	return execute("udhcpc -R -n -p /var/run/udhcpc.%iface%.pid "
++	return execute("udhcpc -R -b -p /var/run/udhcpc.%iface%.pid "
+ 			"-i %iface%[[ -H %hostname%]][[ -c %clientid%]][[ -s %script%]][[ %udhcpc_opts%]]",
+ 			ifd, exec);
+ }
diff --git a/recipes/busybox/busybox_1.11.3.bb b/recipes/busybox/busybox_1.11.3.bb
index fa169ef..7ddfd9e 100644
--- a/recipes/busybox/busybox_1.11.3.bb
+++ b/recipes/busybox/busybox_1.11.3.bb
@@ -5,6 +5,7 @@ SRC_URI = "\
   http://www.busybox.net/downloads/busybox-${PV}.tar.bz2;name=tarball \
   \
   file://udhcpscript.patch \
+  file://udhcpc-background.patch \
   file://B921600.patch \
   file://fdisk_lineedit_segfault.patch \
   file://iptunnel.patch \
diff --git a/recipes/busybox/busybox_1.13.2.bb b/recipes/busybox/busybox_1.13.2.bb
index 57815f6..2b28c0b 100644
--- a/recipes/busybox/busybox_1.13.2.bb
+++ b/recipes/busybox/busybox_1.13.2.bb
@@ -18,6 +18,7 @@ SRC_URI = "\
   \
   file://udhcpscript.patch \
   file://udhcpc-fix-nfsroot.patch \
+  file://udhcpc-background.patch \
   file://B921600.patch \
   file://get_header_tar.patch \
   file://busybox-appletlib-dependency.patch \
-- 
1.6.4.2