[package] comgt: add usb hotplug handler to bring up 3g ifaces on boot or when the dongle is attached

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@22061 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 43 insertions, 0 deletions

diff --git a/package/comgt/files/3g.usb b/package/comgt/files/3g.usb
new file mode 100644
index 0000000000..c52646b3dd
--- /dev/null
+++ b/package/comgt/files/3g.usb
@@ -0,0 +1,43 @@
+#!/bin/sh
+
+. /etc/functions.sh
+
+log() {
+	logger -t 3g-hotplug "$@"
+}
+
+find_3g_iface() {
+	local cfg="$1"
+	local tty="$2"
+
+	local proto
+	config_get proto "$cfg" proto
+
+	[ "$proto" = 3g ] && {
+		local auto
+		config_get_bool auto "$cfg" auto 1
+		[ "$auto" = 1 ] || return 0
+
+		local dev
+		config_get dev "$cfg" device
+
+		if [ "${dev##*/}" = "${tty##*/}" ]; then
+			log "Starting interface $cfg for device ${tty##*/}"
+			( sleep 1; /sbin/ifup "$cfg" ) &
+		fi
+	}
+}
+
+
+if [ "$ACTION" = add ]; then
+	case "$DEVICENAME" in
+		*-*:*.*) config_load network;;
+		*) exit 0;;
+	esac
+
+	local tty
+	for tty in /sys/$DEVPATH/ttyUSB*; do
+		[ -d "$tty" ] || break
+		config_foreach find_3g_iface interface "$tty"
+	done
+fi