--- /dev/null
+menu "Configuration"
+depends on PACKAGE_modemmanager
+
+ config MODEMMANAGER_WITH_MBIM
+ bool "Include MBIM support"
+ default n
+ help
+ Compile ModemManager with MBIM support
+
+ config MODEMMANAGER_WITH_QMI
+ bool "Include QMI support"
+ default n
+ help
+ Compile ModemManager with QMI support
+endmenu
--- /dev/null
+#
+# Copyright (C) 2016 Velocloud Inc.
+# Copyright (C) 2016 Aleksander Morgado <aleksander@aleksander.es>
+#
+# This is free software, licensed under the GNU General Public License v2.
+#
+
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=modemmanager
+PKG_VERSION:=1.10.6
+PKG_RELEASE:=1
+
+PKG_SOURCE:=ModemManager-$(PKG_VERSION).tar.xz
+PKG_SOURCE_URL:=https://www.freedesktop.org/software/ModemManager
+PKG_HASH=3c2ca73782215664141042422759899ca9846440fc26d6223c7cf7ea4dd3c996
+PKG_BUILD_DIR:=$(BUILD_DIR)/ModemManager-$(PKG_VERSION)
+
+PKG_MAINTAINER:=Nicholas Smith <nicholas.smith@telcoantennas.com.au>
+LICENSE:=GPL-2.0-or-later
+LICENSE_FILES:=COPYING
+
+PKG_INSTALL:=1
+PKG_BUILD_PARALLEL:=1
+
+include $(INCLUDE_DIR)/package.mk
+
+define Package/modemmanager/config
+ source "$(SOURCE)/Config.in"
+endef
+
+define Package/modemmanager
+ SECTION:=net
+ CATEGORY:=Network
+ TITLE:=Control utility for any kind of mobile broadband modem
+ URL:=https://www.freedesktop.org/wiki/Software/ModemManager
+ DEPENDS:= \
+ $(INTL_DEPENDS) \
+ +glib2 \
+ +dbus \
+ +MODEMMANAGER_WITH_MBIM:libmbim \
+ +MODEMMANAGER_WITH_QMI:libqmi
+endef
+
+define Package/modemmanager/description
+ ModemManager is a D-Bus-activated service which allows controlling mobile
+ broadband modems. Add kernel modules for your modems as needed.
+ Select Utilities/usb-modeswitch if needed.
+endef
+
+CONFIGURE_ARGS += \
+ --without-polkit \
+ --without-udev \
+ --without-suspend-resume \
+ --with-systemdsystemunitdir=no \
+ --disable-rpath \
+ --disable-gtk-doc
+
+ifdef CONFIG_MODEMMANAGER_WITH_MBIM
+ CONFIGURE_ARGS += --with-mbim
+else
+ CONFIGURE_ARGS += --without-mbim
+endif
+
+ifdef CONFIG_MODEMMANAGER_WITH_QMI
+ CONFIGURE_ARGS += --with-qmi
+else
+ CONFIGURE_ARGS += --without-qmi
+endif
+
+define Build/Prepare
+ $(call Build/Prepare/Default)
+ ( cd "$(PKG_BUILD_DIR)"; \
+ printf "all:\ninstall:\n" >po/Makefile.in.in; \
+ )
+endef
+
+define Build/InstallDev
+ $(INSTALL_DIR) $(1)/usr/include/ModemManager
+ $(CP) $(PKG_INSTALL_DIR)/usr/include/ModemManager/*.h $(1)/usr/include/ModemManager
+ $(INSTALL_DIR) $(1)/usr/include/libmm-glib
+ $(CP) $(PKG_INSTALL_DIR)/usr/include/libmm-glib/*.h $(1)/usr/include/libmm-glib
+ $(INSTALL_DIR) $(1)/usr/lib
+ $(CP) $(PKG_INSTALL_DIR)/usr/lib/libmm-glib.so* $(1)/usr/lib
+ $(INSTALL_DIR) $(1)/usr/lib/pkgconfig
+ $(CP) $(PKG_INSTALL_DIR)/usr/lib/pkgconfig/ModemManager.pc $(1)/usr/lib/pkgconfig
+ $(CP) $(PKG_INSTALL_DIR)/usr/lib/pkgconfig/mm-glib.pc $(1)/usr/lib/pkgconfig
+endef
+
+define Package/modemmanager/install
+ $(INSTALL_DIR) $(1)/lib/udev/rules.d
+ $(INSTALL_DATA) $(PKG_INSTALL_DIR)/lib/udev/rules.d/*.rules $(1)/lib/udev/rules.d
+
+ $(INSTALL_DIR) $(1)/usr/sbin
+ $(INSTALL_BIN) $(PKG_INSTALL_DIR)/usr/sbin/ModemManager $(1)/usr/sbin
+
+ $(INSTALL_DIR) $(1)/usr/bin
+ $(INSTALL_BIN) $(PKG_INSTALL_DIR)/usr/bin/mmcli $(1)/usr/bin
+
+ $(INSTALL_DIR) $(1)/usr/lib
+ $(CP) $(PKG_INSTALL_DIR)/usr/lib/libmm-glib.so.* $(1)/usr/lib
+
+ $(INSTALL_DIR) $(1)/usr/lib/ModemManager
+ $(CP) $(PKG_INSTALL_DIR)/usr/lib/ModemManager/libmm-plugin-*.so* $(1)/usr/lib/ModemManager
+
+ $(INSTALL_DIR) $(1)/etc/dbus-1/system.d
+ $(INSTALL_CONF) $(PKG_INSTALL_DIR)/etc/dbus-1/system.d/org.freedesktop.ModemManager1.conf $(1)/etc/dbus-1/system.d
+
+ $(INSTALL_DIR) $(1)/usr/share/dbus-1/system-services
+ $(INSTALL_DATA) $(PKG_INSTALL_DIR)/usr/share/dbus-1/system-services/org.freedesktop.ModemManager1.service $(1)/usr/share/dbus-1/system-services
+
+ $(INSTALL_DIR) $(1)/etc/init.d
+ $(INSTALL_BIN) ./files/modemmanager.init $(1)/etc/init.d/modemmanager
+
+ $(INSTALL_DIR) $(1)/etc/hotplug.d/net
+ $(INSTALL_DATA) ./files/25-modemmanager-net $(1)/etc/hotplug.d/net
+
+ $(INSTALL_DIR) $(1)/etc/hotplug.d/tty
+ $(INSTALL_DATA) ./files/25-modemmanager-tty $(1)/etc/hotplug.d/tty
+
+ $(INSTALL_DIR) $(1)/etc/modemmanager
+ $(INSTALL_DATA) ./files/modemmanager.common $(1)/etc/modemmanager/modemmanager.common
+
+ $(INSTALL_DIR) $(1)/lib/netifd/proto
+ $(INSTALL_BIN) ./files/modemmanager.proto $(1)/lib/netifd/proto/modemmanager.sh
+endef
+
+$(eval $(call RequireCommand,xsltproc, \
+ $(PKG_NAME) requires xsltproc installed on the host-system. \
+))
+
+$(eval $(call RequireCommand,intltoolize, \
+ $(PKG_NAME) requires intltool installed on the host-system. \
+))
+
+$(eval $(call BuildPackage,modemmanager))
--- /dev/null
+# OpenWrt ModemManager
+
+## Description
+
+Cellular modem control and connectivity
+
+Optional libraries libmbim and libqmi are available. Optional mbim-utils and qmi-utils are available.
+Your modem may require additional kernel modules.
+
+## Usage
+
+# Once installed, you can configure the 2G/3G/4G modem connections directly in
+ /etc/config/network as in the following example:
+
+ config interface 'broadband'
+ option device '/sys/devices/platform/soc/20980000.usb/usb1/1-1/1-1.2/1-1.2.1'
+ option proto 'modemmanager'
+ option apn 'ac.vodafone.es'
+ option username 'vodafone'
+ option password 'vodafone'
+ option pincode '7423'
+ option lowpower '1'
--- /dev/null
+#!/bin/sh
+# Copyright (C) 2016 Velocloud Inc
+# Copyright (C) 2016 Aleksander Morgado <aleksander@aleksander.es>
+
+# Load common utilities
+. /etc/modemmanager/modemmanager.common
+
+# We require a interface name
+[ -n "${INTERFACE}" ] || exit
+
+# Always make sure the rundir exists
+mkdir -m 0755 -p "${MODEMMANAGER_RUNDIR}"
+
+# Report network interface
+mm_log "${ACTION} network interface ${INTERFACE}: event processed"
+mm_report_event "${ACTION}" "${INTERFACE}" "net" "/sys${DEVPATH}"
+
+# Look for an associated cdc-wdm interface
+
+cdcwdm=""
+
+case "${ACTION}" in
+ "add") cdcwdm=$(mm_track_cdcwdm "${INTERFACE}") ;;
+ "remove") cdcwdm=$(mm_untrack_cdcwdm "${INTERFACE}") ;;
+esac
+
+# Report cdc-wdm device, if any
+[ -n "${cdcwdm}" ] && {
+ mm_log "${ACTION} cdc interface ${cdcwdm}: custom event processed"
+ mm_report_event "${ACTION}" "${cdcwdm}" "usbmisc" "/sys${DEVPATH}"
+}
--- /dev/null
+#!/bin/sh
+# Copyright (C) 2016 Velocloud Inc
+# Copyright (C) 2016 Aleksander Morgado <aleksander@aleksander.es>
+
+# Load hotplug common utilities
+. /etc/modemmanager/modemmanager.common
+
+# We require a device name
+[ -n "$DEVNAME" ] || exit
+
+# Always make sure the rundir exists
+mkdir -m 0755 -p "${MODEMMANAGER_RUNDIR}"
+
+# Report TTY
+mm_log "${ACTION} serial interface ${DEVNAME}: event processed"
+mm_report_event "${ACTION}" "${DEVNAME}" "tty" "/sys${DEVPATH}"
--- /dev/null
+#!/bin/sh
+# Copyright (C) 2016 Velocloud Inc
+# Copyright (C) 2016 Aleksander Morgado <aleksander@aleksander.es>
+
+################################################################################
+
+. /lib/functions.sh
+. /lib/netifd/netifd-proto.sh
+
+################################################################################
+# Runtime state
+
+MODEMMANAGER_RUNDIR="/var/run/modemmanager"
+MODEMMANAGER_CDCWDM_CACHE="${MODEMMANAGER_RUNDIR}/cdcwdm.cache"
+MODEMMANAGER_SYSFS_CACHE="${MODEMMANAGER_RUNDIR}/sysfs.cache"
+MODEMMANAGER_EVENTS_CACHE="${MODEMMANAGER_RUNDIR}/events.cache"
+
+################################################################################
+# Common logging
+
+mm_log() {
+ logger -t "ModemManager" "hotplug: $*"
+}
+
+################################################################################
+# Receives as input argument the full sysfs path of the device
+# Returns the physical device sysfs path
+
+mm_find_physdev_sysfs_path() {
+ local tmp_path="$1"
+
+ while true; do
+ tmp_path=$(dirname "${tmp_path}")
+
+ # avoid infinite loops iterating
+ [ -z "${tmp_path}" ] || [ "${tmp_path}" = "/" ] && return
+
+ # the physical device will be that with a idVendor and idProduct pair of files
+ [ -f "${tmp_path}"/idVendor ] && [ -f "${tmp_path}"/idProduct ] && {
+ tmp_path=$(readlink -f "$tmp_path")
+ echo "${tmp_path}"
+ return
+ }
+ done
+}
+
+################################################################################
+
+# Returns the cdc-wdm name retrieved from sysfs
+mm_track_cdcwdm() {
+ local wwan="$1"
+ local cdcwdm
+
+ cdcwdm=$(ls "/sys/class/net/${wwan}/device/usbmisc/")
+ [ -n "${cdcwdm}" ] || return
+
+ # We have to cache it for later, as we won't be able to get the
+ # associated cdc-wdm device on a remove event
+ echo "${wwan} ${cdcwdm}" >> "${MODEMMANAGER_CDCWDM_CACHE}"
+
+ echo "${cdcwdm}"
+}
+
+# Returns the cdc-wdm name retrieved from the cache
+mm_untrack_cdcwdm() {
+ local wwan="$1"
+ local cdcwdm
+
+ # Look for the cached associated cdc-wdm device
+ [ -f "${MODEMMANAGER_CDCWDM_CACHE}" ] || return
+
+ cdcwdm=$(awk -v wwan="${wwan}" '!/^#/ && $0 ~ wwan { print $2 }' "${MODEMMANAGER_CDCWDM_CACHE}")
+ [ -n "${cdcwdm}" ] || return
+
+ # Remove from cache
+ sed -i "/${wwan} ${cdcwdm}/d" "${MODEMMANAGER_CDCWDM_CACHE}"
+
+ echo "${cdcwdm}"
+}
+
+################################################################################
+# ModemManager needs some time from the ports being added until a modem object
+# is exposed in DBus. With the logic here we do an explicit wait of N seconds
+# for ModemManager to expose the new modem object, making sure that the wait is
+# unique per device (i.e. per physical device sysfs path).
+
+# Gets the modem wait status as retrieved from the cache
+mm_get_modem_wait_status() {
+ local sysfspath="$1"
+
+ # If no sysfs cache file, we're done
+ [ -f "${MODEMMANAGER_SYSFS_CACHE}" ] || return
+
+ # Get status of the sysfs path
+ awk -v sysfspath="${sysfspath}" '!/^#/ && $0 ~ sysfspath { print $2 }' "${MODEMMANAGER_SYSFS_CACHE}"
+}
+
+# Sets the modem wait status in the cache
+mm_set_modem_wait_status() {
+ local sysfspath="$1"
+ local status="$2"
+
+ # Remove sysfs line before adding the new one with the new state
+ [ -f "${MODEMMANAGER_SYSFS_CACHE}" ] &&
+ sed -i "/${sysfspath}/d" "${MODEMMANAGER_SYSFS_CACHE}"
+
+ # Add the new status
+ echo "${sysfspath} ${status}" >> "${MODEMMANAGER_SYSFS_CACHE}"
+}
+
+# Callback for config_foreach()
+mm_get_modem_config_foreach_cb() {
+ local cfg="$1"
+ local sysfspath="$2"
+
+ local proto
+ config_get proto "${cfg}" proto
+ [ "${proto}" = modemmanager ] || return 0
+
+ local dev
+ dev=$(uci_get network "${cfg}" device)
+ [ "${dev}" = "${sysfspath}" ] || return 0
+
+ echo "${cfg}"
+}
+
+# Returns the name of the interface configured for this device
+mm_get_modem_config() {
+ local sysfspath="$1"
+
+ # Look for configuration for the given sysfs path
+ config_load network
+ config_foreach mm_get_modem_config_foreach_cb interface "${sysfspath}"
+}
+
+# Wait for a modem in the specified sysfspath
+mm_wait_for_modem() {
+ local cfg="$1"
+ local sysfspath="$2"
+
+ # TODO: config max wait
+ local n=45
+ local step=5
+
+ while [ $n -ge 0 ]; do
+ [ -d "${sysfspath}" ] || {
+ mm_log "error: ignoring modem detection request: no device at ${sysfspath}"
+ proto_set_available "${cfg}" 0
+ return 1
+ }
+
+ # Check if the modem exists at the given sysfs path
+ if ! mmcli -m "${sysfspath}" > /dev/null 2>&1
+ then
+ mm_log "error: modem not detected at sysfs path"
+ else
+ mm_log "modem exported successfully at ${sysfspath}"
+ mm_log "setting interface '${cfg}' as available"
+ proto_set_available "${cfg}" 1
+ return 0
+ fi
+
+ sleep $step
+ n=$((n-step))
+ done
+
+ mm_log "error: timed out waiting for the modem to get exported at ${sysfspath}"
+ proto_set_available "${cfg}" 0
+ return 2
+}
+
+mm_report_modem_wait() {
+ local action=$1
+ local sysfspath=$2
+
+ local parent_sysfspath status
+
+ parent_sysfspath=$(mm_find_physdev_sysfs_path "$sysfspath")
+ [ -n "${parent_sysfspath}" ] || {
+ mm_log "error: parent device sysfspath not found"
+ return
+ }
+
+ status=$(mm_get_modem_wait_status "${parent_sysfspath}")
+
+ [ "$action" = "add" ] && {
+ case "${status}" in
+ "")
+ local cfg
+
+ cfg=$(mm_get_modem_config "${parent_sysfspath}")
+ if [ -n "${cfg}" ]; then
+ mm_log "interface '${cfg}' is set to configure device '${parent_sysfspath}'"
+ mm_log "now waiting for modem at sysfs path ${parent_sysfspath}"
+ mm_set_modem_wait_status "${parent_sysfspath}" "processed"
+ # Launch subshell for the explicit wait
+ ( mm_wait_for_modem "${cfg}" "${parent_sysfspath}" ) > /dev/null 2>&1 &
+ else
+ mm_log "no need to wait for modem at sysfs path ${parent_sysfspath}"
+ mm_set_modem_wait_status "${parent_sysfspath}" "ignored"
+ fi
+ ;;
+ "processed")
+ mm_log "already waiting for modem at sysfs path ${parent_sysfspath}"
+ ;;
+ "ignored")
+ ;;
+ *)
+ mm_log "error: unknown status read for device at sysfs path ${parent_sysfspath}"
+ ;;
+ esac
+ return
+ }
+
+ [ "$action" = "remove" ] && {
+ local cfg
+
+ [ -n "$status" ] && {
+ local cfg
+
+ mm_log "cleanup wait for modem at sysfs path ${parent_sysfspath}"
+ mm_set_modem_wait_status "${parent_sysfspath}" ""
+
+ cfg=$(mm_get_modem_config "${parent_sysfspath}")
+ [ -n "${cfg}" ] && {
+ mm_log "setting interface '$cfg' as unavailable"
+ proto_set_available "${cfg}" 0
+ }
+ }
+ return
+ }
+}
+
+################################################################################
+# Cleanup interfaces
+
+mm_cleanup_interface_cb() {
+ local cfg="$1"
+
+ local proto
+ config_get proto "${cfg}" proto
+ [ "${proto}" = modemmanager ] || return 0
+
+ proto_set_available "${cfg}" 0
+}
+
+mm_cleanup_interfaces() {
+ config_load network
+ config_foreach mm_cleanup_interface_cb interface
+}
+
+################################################################################
+# Event reporting
+
+# Receives as input the action, the device name and the subsystem
+mm_report_event() {
+ local action="$1"
+ local name="$2"
+ local subsystem="$3"
+ local sysfspath="$4"
+
+ # Track/untrack events in cache
+ case "${action}" in
+ "add")
+ # On add events, store event details in cache (if not exists yet)
+ grep -qs "${name},${subsystem}" "${MODEMMANAGER_EVENTS_CACHE}" || \
+ echo "${action},${name},${subsystem},${sysfspath}" >> "${MODEMMANAGER_EVENTS_CACHE}"
+ ;;
+ "remove")
+ # On remove events, remove old events from cache (match by subsystem+name)
+ sed -i "/${name},${subsystem}/d" "${MODEMMANAGER_EVENTS_CACHE}"
+ ;;
+ esac
+
+ # Report the event
+ mm_log "event reported: action=${action}, name=${name}, subsystem=${subsystem}"
+ mmcli --report-kernel-event="action=${action},name=${name},subsystem=${subsystem}" 1>/dev/null 2>&1 &
+
+ # Wait for modem if a sysfspath is given
+ [ -n "${sysfspath}" ] && mm_report_modem_wait "${action}" "${sysfspath}"
+}
+
+mm_report_event_from_cache_line() {
+ local event_line="$1"
+
+ local action name subsystem sysfspath
+ action=$(echo "${event_line}" | awk -F ',' '{ print $1 }')
+ name=$(echo "${event_line}" | awk -F ',' '{ print $2 }')
+ subsystem=$(echo "${event_line}" | awk -F ',' '{ print $3 }')
+ sysfspath=$(echo "${event_line}" | awk -F ',' '{ print $4 }')
+
+ mm_log "cached event found: action=${action}, name=${name}, subsystem=${subsystem}, sysfspath=${sysfspath}"
+ mm_report_event "${action}" "${name}" "${subsystem}" "${sysfspath}"
+}
+
+mm_report_events_from_cache() {
+ # Remove the sysfs cache
+ rm -f "${MODEMMANAGER_SYSFS_CACHE}"
+
+ local n=10
+ local step=1
+ local mmrunning=0
+
+ # Wait for ModemManager to be available in the bus
+ while [ $n -ge 0 ]; do
+ sleep $step
+ mm_log "checking if ModemManager is available..."
+
+ if ! mmcli -L >/dev/null 2>&1
+ then
+ mm_log "ModemManager not yet available"
+ else
+ mmrunning=1
+ break
+ fi
+ n=$((n-step))
+ done
+
+ [ ${mmrunning} -eq 1 ] || {
+ mm_log "error: couldn't report initial kernel events: ModemManager not running"
+ return
+ }
+
+ # Report cached kernel events
+ while IFS= read -r event_line; do
+ mm_report_event_from_cache_line "${event_line}"
+ done < ${MODEMMANAGER_EVENTS_CACHE}
+}
--- /dev/null
+#!/bin/sh /etc/rc.common
+# Copyright (C) 2016 Aleksander Morgado <aleksander@aleksander.es>
+
+USE_PROCD=1
+START=70
+
+stop_service() {
+ # Load common utils
+ . /etc/modemmanager/modemmanager.common
+ # Set all configured interfaces as unavailable
+ mm_cleanup_interfaces
+}
+
+start_service() {
+ # Load common utils
+ . /etc/modemmanager/modemmanager.common
+
+ # Always make sure the rundir exists
+ mkdir -m 0755 -p "${MODEMMANAGER_RUNDIR}"
+
+ # Initially set all configured interfaces as unavailable
+ mm_cleanup_interfaces
+
+ # Report cached events (will wait for MM to be launched)
+ ( mm_report_events_from_cache ) >/dev/null 2>&1 &
+
+ # Setup ModemManager service
+ procd_open_instance
+ procd_set_param command /usr/sbin/ModemManager
+ procd_set_param respawn "${respawn_threshold:-3600}" "${respawn_timeout:-5}" "${respawn_retry:-5}"
+ procd_set_param pidfile "${MODEMMANAGER_PID_FILE}"
+ procd_close_instance
+}
--- /dev/null
+#!/bin/sh
+# Copyright (C) 2016-2019 Aleksander Morgado <aleksander@aleksander.es>
+
+[ -x /usr/bin/mmcli ] || exit 0
+[ -x /usr/sbin/pppd ] || exit 0
+
+[ -n "$INCLUDE_ONLY" ] || {
+ . /lib/functions.sh
+ . ../netifd-proto.sh
+ . ./ppp.sh
+ init_proto "$@"
+}
+
+cdr2mask ()
+{
+ # Number of args to shift, 255..255, first non-255 byte, zeroes
+ set -- $(( 5 - ($1 / 8) )) 255 255 255 255 $(( (255 << (8 - ($1 % 8))) & 255 )) 0 0 0
+ if [ "$1" -gt 1 ]
+ then
+ shift "$1"
+ else
+ shift
+ fi
+ echo "${1-0}"."${2-0}"."${3-0}"."${4-0}"
+}
+
+# This method expects as first argument a list of key-value pairs, as returned by mmcli --output-keyvalue
+# The second argument must be exactly the name of the field to read
+#
+# Sample output:
+# $ mmcli -m 0 -K
+# modem.dbus-path : /org/freedesktop/ModemManager1/Modem/0
+# modem.generic.device-identifier : ed6eff2e3e0f90463da1c2a755b2acacd1335752
+# modem.generic.manufacturer : Dell Inc.
+# modem.generic.model : DW5821e Snapdragon X20 LTE
+# modem.generic.revision : T77W968.F1.0.0.4.0.GC.009\n026
+# modem.generic.carrier-configuration : GCF
+# modem.generic.carrier-configuration-revision : 08E00009
+# modem.generic.hardware-revision : DW5821e Snapdragon X20 LTE
+# ....
+modemmanager_get_field() {
+ local list=$1
+ local field=$2
+ local value=""
+
+ [ -z "${list}" ] || [ -z "${field}" ] && return
+
+ # there is always at least a whitespace after each key, and we use that as part of the
+ # key matching we do (e.g. to avoid getting 'modem.generic.state-failed-reason' as a result
+ # when grepping for 'modem.generic.state'.
+ line=$(echo "${list}" | grep "${field} ")
+ value=$(echo ${line#*:})
+
+ # not found?
+ [ -n "${value}" ] || return 2
+
+ # only print value if set
+ [ "${value}" != "--" ] && echo "${value}"
+ return 0
+}
+
+# build a comma-separated list of values from the list
+modemmanager_get_multivalue_field() {
+ local list=$1
+ local field=$2
+ local value=""
+ local length idx item
+
+ [ -z "${list}" ] || [ -z "${field}" ] && return
+
+ length=$(modemmanager_get_field "${list}" "${field}.length")
+ [ -n "${length}" ] || return 0
+ [ "$length" -ge 1 ] || return 0
+
+ idx=1
+ while [ $idx -le "$length" ]; do
+ item=$(modemmanager_get_field "${list}" "${field}.value\[$idx\]")
+ [ -n "${item}" ] && [ "${item}" != "--" ] && {
+ [ -n "${value}" ] && value="${value}, "
+ value="${value}${item}"
+ }
+ idx=$((idx + 1))
+ done
+
+ # nothing built?
+ [ -n "${value}" ] || return 2
+
+ # only print value if set
+ echo "${value}"
+ return 0
+}
+
+modemmanager_cleanup_connection() {
+ local modemstatus="$1"
+
+ local bearercount idx bearerpath
+
+ bearercount=$(modemmanager_get_field "${modemstatus}" "modem.generic.bearers.length")
+
+ # do nothing if no bearers reported
+ [ -n "${bearercount}" ] && [ "$bearercount" -ge 1 ] && {
+ # explicitly disconnect just in case
+ mmcli --modem="${device}" --simple-disconnect >/dev/null 2>&1
+ # and remove all bearer objects, if any found
+ idx=1
+ while [ $idx -le "$bearercount" ]; do
+ bearerpath=$(modemmanager_get_field "${modemstatus}" "modem.generic.bearers.value\[$idx\]")
+ mmcli --modem "${device}" --delete-bearer="${bearerpath}" >/dev/null 2>&1
+ idx=$((idx + 1))
+ done
+ }
+}
+
+modemmanager_connected_method_ppp() {
+ local interface="$1"
+ local ttyname="$2"
+ local username="$3"
+ local password="$4"
+
+ proto_run_command "${interface}" /usr/sbin/pppd \
+ "${ttyname}" \
+ 115200 \
+ nodetach \
+ noaccomp \
+ nobsdcomp \
+ nopcomp \
+ novj \
+ noauth \
+ ${username:+ user $username} \
+ ${password:+ password $password} \
+ lcp-echo-failure 5 \
+ lcp-echo-interval 15 \
+ lock \
+ crtscts \
+ nodefaultroute \
+ usepeerdns \
+ ipparam "${interface}" \
+ ip-up-script /lib/netifd/ppp-up \
+ ip-down-script /lib/netifd/ppp-down
+}
+
+modemmanager_disconnected_method_ppp() {
+ local interface="$1"
+
+ echo "running disconnection (ppp method)"
+
+ [ -n "${ERROR}" ] && {
+ local errorstring
+ errorstring=$(ppp_exitcode_tostring "${ERROR}")
+ case "$ERROR" in
+ 0)
+ ;;
+ 2)
+ proto_notify_error "$interface" "$errorstring"
+ proto_block_restart "$interface"
+ ;;
+ *)
+ proto_notify_error "$interface" "$errorstring"
+ ;;
+ esac
+ } || echo "pppd result code not given"
+
+ proto_kill_command "$interface"
+}
+
+modemmanager_connected_method_dhcp() {
+ local interface="$1"
+ local wwan="$2"
+ local metric="$3"
+
+ proto_init_update "${wwan}" 1
+ proto_send_update "${interface}"
+
+ json_init
+ json_add_string name "${interface}_4"
+ json_add_string ifname "@${interface}"
+ json_add_string proto "dhcp"
+ [ -n "$metric" ] && json_add_int metric "${metric}"
+ ubus call network add_dynamic "$(json_dump)"
+}
+
+modemmanager_disconnected_method_dhcp() {
+ local interface="$1"
+
+ echo "running disconnection (dhcp method)"
+
+ proto_init_update "*" 0
+ proto_send_update "${interface}"
+}
+
+modemmanager_connected_method_static() {
+ local interface="$1"
+ local wwan="$2"
+ local address="$3"
+ local prefix="$4"
+ local gateway="$5"
+ local mtu="$6"
+ local dns1="$7"
+ local dns2="$8"
+ local metric="$9"
+
+ local mask=""
+
+ [ -n "${address}" ] || {
+ proto_notify_error "${interface}" ADDRESS_MISSING
+ return
+ }
+
+ [ -n "${prefix}" ] || {
+ proto_notify_error "${interface}" PREFIX_MISSING
+ return
+ }
+
+ mask=$(cdr2mask "${prefix}")
+
+ # TODO: mtu reporting in proto handler
+
+ proto_init_update "${wwan}" 1
+ echo "adding IPv4 address ${address}, netmask ${mask}"
+ proto_add_ipv4_address "${address}" "${mask}"
+ [ -n "${gateway}" ] && {
+ echo "adding default IPv4 route via ${gateway}"
+ proto_add_ipv4_route "0.0.0.0" "0" "${gateway}" "${address}"
+ }
+ [ -n "${dns1}" ] && {
+ echo "adding primary DNS at ${dns1}"
+ proto_add_dns_server "${dns1}"
+ }
+ [ -n "${dns2}" ] && {
+ echo "adding secondary DNS at ${dns2}"
+ proto_add_dns_server "${dns2}"
+ }
+ [ -n "$metric" ] && json_add_int metric "${metric}"
+ proto_send_update "${interface}"
+}
+
+modemmanager_disconnected_method_static() {
+ local interface="$1"
+
+ echo "running disconnection (static method)"
+
+ proto_init_update "*" 0
+ proto_send_update "${interface}"
+}
+
+proto_modemmanager_init_config() {
+ proto_config_add_string "device:device"
+ proto_config_add_string apn
+ proto_config_add_string username
+ proto_config_add_string password
+ proto_config_add_string pincode
+ proto_config_add_string iptype
+ proto_config_add_boolean lowpower
+}
+
+proto_modemmanager_setup() {
+ local interface="$1"
+
+ local modempath modemstatus bearercount bearerpath connectargs bearerstatus beareriface
+ local operatorname operatorid registration accesstech signalquality
+
+ local device apn username password pincode iptype metric
+
+ local address prefix gateway mtu dns1 dns2
+
+ json_get_vars device apn username password pincode iptype metric
+
+ # validate sysfs path given in config
+ [ -n "${device}" ] || {
+ echo "No device specified"
+ proto_notify_error "${interface}" NO_DEVICE
+ proto_set_available "${interface}" 0
+ return 1
+ }
+ [ -e "${device}" ] || {
+ echo "Device not found in sysfs"
+ proto_set_available "${interface}" 0
+ return 1
+ }
+
+ # validate that ModemManager is handling the modem at the sysfs path
+ modemstatus=$(mmcli --modem="${device}" --output-keyvalue)
+ modempath=$(modemmanager_get_field "${modemstatus}" "modem.dbus-path")
+ [ -n "${modempath}" ] || {
+ echo "Device not managed by ModemManager"
+ proto_notify_error "${interface}" DEVICE_NOT_MANAGED
+ proto_set_available "${interface}" 0
+ return 1
+ }
+ echo "modem available at ${modempath}"
+
+ # always cleanup before attempting a new connection, just in case
+ modemmanager_cleanup_connection "${modemstatus}"
+
+ # setup connect args; APN mandatory (even if it may be empty)
+ echo "starting connection with apn '${apn}'..."
+ connectargs="apn=${apn}${username:+,user=${username}}${password:+,password=${password}}${pincode:+,pin=${pincode}}${iptype:+,ip-type=${iptype}}"
+ mmcli --modem="${device}" --timeout 120 --simple-connect="${connectargs}" || {
+ proto_notify_error "${interface}" CONNECT_FAILED
+ proto_block_restart "${interface}"
+ return 1
+ }
+
+ # log additional useful information
+ modemstatus=$(mmcli --modem="${device}" --output-keyvalue)
+ operatorname=$(modemmanager_get_field "${modemstatus}" "modem.3gpp.operator-name")
+ [ -n "${operatorname}" ] && echo "network operator name: ${operatorname}"
+ operatorid=$(modemmanager_get_field "${modemstatus}" "modem.3gpp.operator-code")
+ [ -n "${operatorid}" ] && echo "network operator MCCMNC: ${operatorid}"
+ registration=$(modemmanager_get_field "${modemstatus}" "modem.3gpp.registration-state")
+ [ -n "${registration}" ] && echo "registration type: ${registration}"
+ accesstech=$(modemmanager_get_multivalue_field "${modemstatus}" "modem.generic.access-technologies")
+ [ -n "${accesstech}" ] && echo "access technology: ${accesstech}"
+ signalquality=$(modemmanager_get_field "${modemstatus}" "modem.generic.signal-quality.value")
+ [ -n "${signalquality}" ] && echo "signal quality: ${signalquality}%"
+
+ # we won't like it if there are more than one bearers, as that would mean the
+ # user manually created them, and that's unsupported by this proto
+ bearercount=$(modemmanager_get_field "${modemstatus}" "modem.generic.bearers.length")
+ [ -n "${bearercount}" ] && [ "$bearercount" -eq 1 ] || {
+ proto_notify_error "${interface}" INVALID_BEARER_LIST
+ return 1
+ }
+
+ # load connected bearer information
+ bearerpath=$(modemmanager_get_field "${modemstatus}" "modem.generic.bearers.value\[1\]")
+ bearerstatus=$(mmcli --bearer "${bearerpath}" --output-keyvalue)
+
+ # load network interface and method information
+ beareriface=$(modemmanager_get_field "${bearerstatus}" "bearer.status.interface")
+ bearermethod=$(modemmanager_get_field "${bearerstatus}" "bearer.ipv4-config.method")
+ echo "connection setup required in interface ${beareriface}: ${bearermethod}"
+
+ case "${bearermethod}" in
+ "dhcp")
+ modemmanager_connected_method_dhcp "${interface}" "${beareriface}" "${metric}"
+ ;;
+ "static")
+ address=$(modemmanager_get_field "${bearerstatus}" "bearer.ipv4-config.address")
+ prefix=$(modemmanager_get_field "${bearerstatus}" "bearer.ipv4-config.prefix")
+ gateway=$(modemmanager_get_field "${bearerstatus}" "bearer.ipv4-config.gateway")
+ mtu=$(modemmanager_get_field "${bearerstatus}" "bearer.ipv4-config.mtu")
+ dns1=$(modemmanager_get_field "${bearerstatus}" "bearer.ipv4-config.dns.value\[1\]")
+ dns2=$(modemmanager_get_field "${bearerstatus}" "bearer.ipv4-config.dns.value\[2\]")
+ modemmanager_connected_method_static "${interface}" "${beareriface}" "${address}" "${prefix}" "${gateway}" "${mtu}" "${dns1}" "${dns2}" "${metric}"
+ ;;
+ "ppp")
+ modemmanager_connected_method_ppp "${interface}" "${beareriface}" "${username}" "${password}"
+ ;;
+ *)
+ proto_notify_error "${interface}" UNKNOWN_METHOD
+ return 1
+ ;;
+ esac
+
+ return 0
+}
+
+proto_modemmanager_teardown() {
+ local interface="$1"
+
+ local modemstatus bearerpath errorstring
+
+ local device lowpower
+ json_get_vars device lowpower
+
+ echo "stopping network"
+
+ # load connected bearer information, just the first one should be ok
+ modemstatus=$(mmcli --modem="${device}" --output-keyvalue)
+ bearerpath=$(modemmanager_get_field "${modemstatus}" "modem.generic.bearers.value\[1\]")
+ [ -n "${bearerpath}" ] || {
+ echo "couldn't load bearer path"
+ return
+ }
+
+ # load bearer connection method
+ bearerstatus=$(mmcli --bearer "${bearerpath}")
+ bearermethod=$(modemmanager_get_field "${bearerstatus}" "bearer.ipv4-config.method")
+ [ -n "${bearermethod}" ] || {
+ echo "couldn't load bearer method"
+ return
+ }
+
+ case "${bearermethod}" in
+ "dhcp")
+ modemmanager_disconnected_method_dhcp "${interface}"
+ ;;
+ "static")
+ modemmanager_disconnected_method_static "${interface}"
+ ;;
+ "ppp")
+ modemmanager_disconnected_method_ppp "${interface}"
+ ;;
+ *)
+ ;;
+ esac
+
+ # disconnect
+ mmcli --modem="${device}" --simple-disconnect ||
+ proto_notify_error "${interface}" DISCONNECT_FAILED
+
+ # disable
+ mmcli --modem="${device}" --disable
+
+ # low power, only if requested
+ [ "${lowpower:-0}" -lt 1 ] ||
+ mmcli --modem="${device}" --set-power-state-low
+}
+
+[ -n "$INCLUDE_ONLY" ] || {
+ add_protocol modemmanager
+}
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