2 files changed, 203 insertions, 0 deletions
diff --git a/package/system/utils/usb-modeswitch/Makefile b/package/system/utils/usb-modeswitch/Makefile
new file mode 100644
index 0000000000..e78a5b4767
--- /dev/null
+++ b/package/system/utils/usb-modeswitch/Makefile
@@ -0,0 +1,63 @@
+#
+# Copyright (C) 2008-2012 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=usb-modeswitch
+PKG_UTIL_VERSION:=1.2.5
+PKG_DATA_VERSION:=20121109
+PKG_VERSION:=$(PKG_UTIL_VERSION)+$(PKG_DATA_VERSION)
+PKG_RELEASE:=1
+
+PKG_BUILD_DIR:=$(BUILD_DIR)/$(PKG_NAME)-$(PKG_UTIL_VERSION)
+PKG_SOURCE:=$(PKG_NAME)-$(PKG_UTIL_VERSION).tar.bz2
+PKG_SOURCE_URL:=http://www.draisberghof.de/usb_modeswitch
+PKG_MD5SUM:=c393603908eceab95444c5bde790f6f0
+
+PKG_DATA_PATH:=usb-modeswitch-data-$(PKG_DATA_VERSION)
+PKG_DATA_FILENAME:=$(PKG_DATA_PATH).tar.bz2
+
+PKG_MAINTAINER := Felix Fietkau <nbd@openwrt.org>
+
+include $(INCLUDE_DIR)/package.mk
+
+define Package/usb-modeswitch
+  SECTION:=utils
+  CATEGORY:=Utilities
+  DEPENDS:=+libusb-compat
+  TITLE:=USB ModeSwitch
+  URL:=http://www.draisberghof.de/usb_modeswitch/
+endef
+
+define Package/usb-modeswitch/description
+  A mode switching tool for controlling
+  "flip flop" (multiple device) USB gear.
+endef
+
+define Download/data
+  FILE:=$(PKG_DATA_FILENAME)
+  URL:=$(PKG_SOURCE_URL)
+  MD5SUM:=a7d23a03157871013a0d708ab2b1b6df
+endef
+$(eval $(call Download,data))
+
+define Build/Compile
+	tar xvfj $(DL_DIR)/$(PKG_DATA_FILENAME) -C $(PKG_BUILD_DIR)
+	$(TARGET_CC) $(TARGET_CFLAGS) $(TARGET_CPPFLAGS) $(TARGET_LDFLAGS) \
+		-lusb \
+		-o $(PKG_BUILD_DIR)/usb_modeswitch-OpenWrt \
+		$(PKG_BUILD_DIR)/usb_modeswitch.c
+endef
+
+define Package/usb-modeswitch/install
+	$(INSTALL_DIR) $(1)/usr/bin $(1)/etc/hotplug.d/usb
+	$(INSTALL_BIN) $(PKG_BUILD_DIR)/usb_modeswitch-OpenWrt $(1)/usr/bin/usb_modeswitch
+	$(INSTALL_DATA) ./files/modeswitch.hotplug $(1)/etc/hotplug.d/usb/20-modeswitch
+	$(CP) $(PKG_BUILD_DIR)/$(PKG_DATA_PATH)/usb_modeswitch.d $(1)/etc/
+endef
+
+$(eval $(call BuildPackage,usb-modeswitch))
diff --git a/package/system/utils/usb-modeswitch/files/modeswitch.hotplug b/package/system/utils/usb-modeswitch/files/modeswitch.hotplug
new file mode 100644
index 0000000000..eb71b3056a
--- /dev/null
+++ b/package/system/utils/usb-modeswitch/files/modeswitch.hotplug
@@ -0,0 +1,140 @@
+#!/bin/sh
+
+local uVid uPid uMa uPr uSe
+local sVe sMo sRe
+
+local modeswitch="/usr/bin/usb_modeswitch"
+
+
+log() {
+	logger -t "usb-modeswitch" "$@"
+}
+
+sanitize() {
+	sed -e 's/[[:space:]]\+$//; s/[[:space:]]\+/_/g' "$@"
+}
+
+find_scsi_attrs() {
+	[ -n "$DEVPATH" ] && [ -d /sys/$DEVPATH/host* ] && {
+		log "$DEVICENAME is a SCSI device, waiting for it to settle..."
+		local timeout=20
+		while [ $((--timeout)) -ge 0 ]; do
+			[ -d /sys/$DEVPATH/host*/target* ] && {
+				local scsi_dir
+				for scsi_dir in /sys/$DEVPATH/host*/target*/*; do
+					[ -d "$scsi_dir" ] || break
+					case "$scsi_dir" in
+						*/host*/target*/*:*:*:*)
+							sVe=$(sanitize "$scsi_dir/vendor")
+							sMo=$(sanitize "$scsi_dir/model")
+							sRe=$(sanitize "$scsi_dir/rev")
+
+							log "$DEVICENAME: Vendor=${sVe:-?} Model=${sMo:-?} Revision=${sRe:-?}"
+							return 0
+						;;
+					esac
+				done
+			} || {
+				sleep 1
+			}
+		done
+		log "$DEVICENAME: Failed to get SCSI attributes!"
+	}
+
+	return 1
+}
+
+find_usb_attrs() {
+	local usb_dir="/sys/$DEVPATH"
+	[ -f "$usb_dir/idVendor" ] || usb_dir="${usb_dir%/*}"
+
+	uVid=$(cat "$usb_dir/idVendor")
+	uPid=$(cat "$usb_dir/idProduct")
+	uMa=$(sanitize "$usb_dir/manufacturer")
+	uPr=$(sanitize "$usb_dir/product")
+	uSe=$(sanitize "$usb_dir/serial")
+
+	log "$DEVICENAME: Manufacturer=${uMa:-?} Product=${uPr:-?} Serial=${uSe:-?}"
+}
+
+match_config_tag() {
+	local conf="$1"
+	local tag="$2"
+
+	case "${conf##*/}" in
+		*:*$tag=*)
+			local cmp; eval "cmp=\$$tag"
+			local pat="${conf#*:$tag=}"; pat="${pat%%:*}"
+			case "$cmp" in
+				*$pat*) return 0 ;;
+				*) return 1 ;;
+			esac
+		;;
+	esac
+
+	return 0
+}
+
+match_config() {
+	local conf="$1"
+	local tag
+
+	for tag in uMa uPr uSe sVe sMo sRe; do
+		match_config_tag "$conf" "$tag" || return 1
+	done
+
+	return 0
+}
+
+
+
+if [ "$ACTION" = add ]; then
+	[ -d "/etc/usb_modeswitch.d" ] && [ -x "$modeswitch" ] && {
+		case "$DEVICENAME" in
+			*-*:*.*) : ;;
+			*) exit 0 ;;
+		esac
+
+		find_usb_attrs
+
+		local candidates=0
+		local conf configs
+		for conf in /etc/usb_modeswitch.d/$uVid:$uPid*; do
+			[ -f "$conf" ] || break
+			configs="${configs:+$configs }$conf"
+			$((candidates++))
+		done
+
+		# Found more than one candidate, read SCSI attributes and find the best match
+		[ $candidates -gt 1 ] && {
+			find_scsi_attrs
+			for conf in $configs; do
+				match_config "$conf" && {
+					configs="$conf"
+					candidates=1
+					break
+				}
+			done
+		}
+
+		# If a candidate is remaining, start usb-modeswitch
+		[ -n "$configs" ] && {
+			log "$DEVICENAME: Selecting ${configs%% *} for mode switching"
+			# ugly workaround, but working for all hw we got for testing
+			switching_done=0
+			switching_tries=0
+			local usb_dir="/sys/$DEVPATH"
+			[ -f "$usb_dir/idVendor" ] || usb_dir="${usb_dir%/*}"
+			while [ $switching_done -lt 1 -a $switching_tries -le 6 ]; do
+				$modeswitch -v $uVid -p $uPid -I -D -n -s 30 -c "${configs%% *}"
+				if [ $(sanitize "$usb_dir/idProduct") = $uPid ]; then
+					log "$DEVICENAME: Switching seemingly failed"
+					sleep 1
+				else
+					switching_done=1
+				fi
+				switching_tries=$(( $switching_tries + 1 ))
+			done
+		}
+	}
+fi