ifupdown.c: allow options to udhcpc to be configurable from .config

This allows more control over options that are passed to udhcpc
that are not configurable via /etc/network/interfaces.

Example: rather than quit when an initial lease isn't found,
you could use "--background" so that udhcpc keeps running and
continually attempts to get an ip.  That way, when you plug in
the ethernet after powering on the device, you'll still get an ip.

1 files changed, 9 insertions, 0 deletions

diff --git a/networking/Config.in b/networking/Config.in
index 95f894230..735415ccb 100644
--- a/networking/Config.in
+++ b/networking/Config.in
@@ -858,6 +858,15 @@ config FEATURE_TRACEROUTE_USE_ICMP
 
 source networking/udhcp/Config.in
 
+config IFUPDOWN_UDHCPC_CMD_OPTIONS
+        string "ifup udhcpc command line options"
+        default "-R -n"
+        depends on IFUPDOWN && APP_UDHCPC
+        help
+          Command line options to pass to udhcpc from ifup.
+          Intended to alter options not available in /etc/network/interfaces.
+          (IE: --syslog --background etc...)
+
 config VCONFIG
         bool "vconfig"
         default n