uqmi: Add support for QMI-based mobile broadband modems

Many of the 4G/LTE and 3G modems utilize the QMI-protocol to control the
modem. At the moment there is no support for them in OpenWrt. This
patch adds support for them in the form of a netifd script and a
control utility. Tested with Huawei E398 and ZTE MF820D (which requires
a delay of ~30 s before responding to QMI commands). I put myself up as
the maintainer, feel free to change this if you desire.

Signed-off-by: Matti Laakso <malaakso@elisanet.fi>
SVN-Revision: 40868

diff --git a/package/network/utils/uqmi/Makefile b/package/network/utils/uqmi/Makefile
new file mode 100644 (file)
index 0000000..18e0954
--- /dev/null
+++ b/package/network/utils/uqmi/Makefile
@@ -0,0 +1,48 @@
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=uqmi
+PKG_VERSION:=2014-05-27
+PKG_RELEASE=$(PKG_SOURCE_VERSION)
+
+PKG_SOURCE_PROTO:=git
+PKG_SOURCE_URL:=git://nbd.name/uqmi.git
+PKG_SOURCE_SUBDIR:=$(PKG_NAME)-$(PKG_VERSION)
+PKG_SOURCE_VERSION:=d7a56cad6d6ef3c2a5602fc604e31999eb9e78fa
+PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION)-$(PKG_SOURCE_VERSION).tar.gz
+PKG_MAINTAINER:=Matti Laakso <malaakso@elisanet.fi>
+# PKG_MIRROR_MD5SUM:=
+# CMAKE_INSTALL:=1
+
+PKG_LICENSE:=GPLv2
+PKG_LICENSE_FILES:=
+
+PKG_BUILD_PARALLEL:=1
+
+include $(INCLUDE_DIR)/package.mk
+include $(INCLUDE_DIR)/cmake.mk
+
+define Package/uqmi
+  SECTION:=net
+  CATEGORY:=Network
+  DEPENDS:=+libubox +libblobmsg-json
+  TITLE:=Control utility for mobile broadband modems
+endef
+
+define Package/uqmi/description
+  uqmi is a command line tool for controlling mobile broadband modems using
+  the QMI-protocol.
+endef
+
+TARGET_CFLAGS += \
+       -I$(STAGING_DIR)/usr/include
+
+CMAKE_OPTIONS += \
+       -DDEBUG=1
+
+define Package/uqmi/install
+       $(INSTALL_DIR) $(1)/sbin
+       $(INSTALL_BIN) $(PKG_BUILD_DIR)/uqmi $(1)/sbin/
+       $(CP) ./files/* $(1)/
+endef
+
+$(eval $(call BuildPackage,uqmi))

diff --git a/package/network/utils/uqmi/files/lib/netifd/proto/qmi.sh b/package/network/utils/uqmi/files/lib/netifd/proto/qmi.sh
new file mode 100755 (executable)
index 0000000..693fd6c
--- /dev/null
+++ b/package/network/utils/uqmi/files/lib/netifd/proto/qmi.sh
@@ -0,0 +1,137 @@
+#!/bin/sh
+
+. /lib/functions.sh
+. ../netifd-proto.sh
+init_proto "$@"
+
+proto_qmi_init_config() {
+       proto_config_add_string "device:device"
+       proto_config_add_string apn
+       proto_config_add_string auth
+       proto_config_add_string username
+       proto_config_add_string password
+       proto_config_add_string pincode
+       proto_config_add_string delay
+       proto_config_add_string modes
+}
+
+proto_qmi_setup() {
+       local interface="$1"
+
+       local device apn auth username password pincode delay modes cid pdh
+       json_get_vars device apn auth username password pincode delay modes
+
+       [ -n "$device" ] || {
+               logger -p daemon.err -t "qmi[$$]" "No control device specified"
+               proto_notify_error "$interface" NO_DEVICE
+               proto_block_restart "$interface"
+               return 1
+       }
+       [ -c "$device" ] || {
+               logger -p daemon.err -t "qmi[$$]" "The specified control device does not exist"
+               proto_notify_error "$interface" NO_DEVICE
+               proto_block_restart "$interface"
+               return 1
+       }
+
+       [ -n "$delay" ] && sleep "$delay"
+
+       while uqmi -s -d "$device" --get-pin-status | grep '"UIM uninitialized"' > /dev/null; do
+               sleep 1;
+       done
+
+       [ -n "$pincode" ] && {
+               uqmi -s -d "$device" --verify-pin1 "$pincode" || {
+                       logger -p daemon.err -t "qmi[$$]" "Unable to verify PIN"
+                       proto_notify_error "$interface" PIN_FAILED
+                       proto_block_restart "$interface"
+                       return 1
+               }
+       }
+
+       [ -n "$apn" ] || {
+               logger -p daemon.err -t "qmi[$$]" "No APN specified"
+               proto_notify_error "$interface" NO_APN
+               proto_block_restart "$interface"
+               return 1
+       }
+
+       logger -p daemon.info -t "qmi[$$]" "Waiting for network registration"
+       while uqmi -s -d "$device" --get-serving-system | grep '"searching"' > /dev/null; do
+               sleep 5;
+       done
+
+       [ -n "$modes" ] && uqmi -s -d "$device" --set-network-modes "$modes"
+
+       logger -p daemon.info -t "qmi[$$]" "Starting network $apn"
+       cid=`uqmi -s -d "$device" --get-client-id wds`
+       [ $? -ne 0 ] && {
+               logger -p daemon.err -t "qmi[$$]" "Unable to obtain client ID"
+               proto_notify_error "$interface" NO_CID
+               proto_block_restart "$interface"
+               return 1
+       }
+       uci_set_state network $interface cid "$cid"
+
+       pdh=`uqmi -s -d "$device" --set-client-id wds,"$cid" --start-network "$apn" \
+       ${auth:+--auth-type $auth} \
+       ${username:+--username $username} \
+       ${password:+--password $password}`
+       [ $? -ne 0 ] && {
+               logger -p daemon.err -t "qmi[$$]" "Unable to connect, check APN and authentication"
+               proto_notify_error "$interface" NO_PDH
+               proto_block_restart "$interface"
+               return 1
+       }
+       uci_set_state network $interface pdh "$pdh"
+
+       if ! uqmi -s -d "$device" --get-data-status | grep '"connected"' > /dev/null; then
+               logger -p daemon.err -t "qmi[$$]" "Connection lost"
+               proto_notify_error "$interface" NOT_CONNECTED
+               proto_block_restart "$interface"
+               return 1
+       fi
+
+       logger -p daemon.info -t "qmi[$$]" "Connected, starting DHCP"
+       proto_init_update "*" 1
+       proto_send_update "$interface"
+
+       json_init
+       json_add_string name "${interface}_dhcp"
+       json_add_string ifname "@$interface"
+       json_add_string proto "dhcp"
+       json_close_object
+       ubus call network add_dynamic "$(json_dump)"
+
+       json_init
+       json_add_string name "${interface}_dhcpv6"
+       json_add_string ifname "@$interface"
+       json_add_string proto "dhcpv6"
+       json_close_object
+       ubus call network add_dynamic "$(json_dump)"
+}
+
+proto_qmi_teardown() {
+       local interface="$1"
+
+       local device
+       json_get_vars device
+       local cid=$(uci_get_state network $interface cid)
+       local pdh=$(uci_get_state network $interface pdh)
+
+       logger -p daemon.info -t "qmi[$$]" "Stopping network"
+       [ -n "$cid" ] && {
+               [ -n "$pdh" ] && {
+                       uqmi -s -d "$device" --set-client-id wds,"$cid" --stop-network "$pdh"
+                       uci_revert_state network $interface pdh
+               }
+               uqmi -s -d "$device" --set-client-id wds,"$cid" --release-client-id wds
+               uci_revert_state network $interface cid
+       }
+
+       proto_init_update "*" 0
+       proto_send_update "$interface"
+}
+
+add_protocol qmi
+