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|
#!/bin/bash
trap interrupt_cb INT
qmidev=""
iface_id=4
mux_id=1
ep=pcie
wds_options=""
mtu=16384
apn=""
res=""
wwan_iface="mhi_hwip0"
rmnet_iface="rmnet_data${mux_id}"
usage()
{
echo "Usage:"
echo " $0 <APN_NAME> [SIM_PIN]"
}
qmi_device_find()
{
qmidev=$(ls /dev/mhi_*QMI | head -1)
if (( $? != 0 )); then
echo "** ERROR: QMI UCI device not found"
exit -1
fi
echo "** QMI device found: ${qmidev}"
}
qmi_wda_set_data_format()
{
res=$(qmicli -d ${qmidev} --wda-set-data-format ep-type=${ep},ep-iface-number=${iface_id},link-layer-protocol=raw-ip,ul-protocol=qmap,dl-protocol=qmap,dl-max-datagrams=32,dl-datagram-max-size=${mtu} 2>&1)
if (( $? != 0 )); then
echo "** ERROR: Unable to set data format"
echo "------"
echo $res
echo "------"
exit -1
fi
}
qmi_wds_get_cid()
{
res=$(qmicli -d ${qmidev} --wds-noop --client-no-release-cid 2>&1)
if (( $? != 0 )); then
echo "** ERROR: unable to get WDS CID"
echo "------"
echo $res
echo "------"
exit 1
fi
wds_cid=`echo "$res" | sed -n "s/.*CID.*'\(.*\)'.*/\1/p"`
echo "** Allocated WDS CID $wds_cid"
wds_options="--client-cid=${wds_cid} --client-no-release-cid"
}
qmi_wds_release_cid()
{
res=$(qmicli -d ${qmidev} --wds-noop --client-cid=${wds_cid} 2>&1)
echo "** Released WDS CID ${wds_cid}"
}
qmi_wds_reset()
{
res=$(qmicli -d ${qmidev} --wds-reset ${wds_options} 2>&1)
if (( $? != 0 )); then
echo "** ERROR: unable to reset WDS"
echo "------"
echo $res
echo "------"
qmi_wds_release_cid
exit 1
fi
}
qmi_wds_bind_mux_data_port()
{
res=$(qmicli -d ${qmidev} --wds-bind-mux-data-port ep-type=${ep},ep-iface-number=${iface_id},mux-id=${mux_id} ${wds_options} 2>&1)
if (( $? != 0 )); then
echo "** ERROR: unable to bind mux data port"
echo "------"
echo $res
echo "------"
qmi_wds_release_cid
exit 1
fi
}
qmi_wds_start_network()
{
echo -n "** Connecting to APN ${apn}... "
res=$(qmicli -d ${qmidev} --wds-start-network="ip-type=4,apn=${apn}" ${wds_options} 2>&1)
if (( $? != 0 )); then
echo "ERROR Unable to connect to ${apn}"
echo "------"
echo $res
echo "------"
qmi_wds_release_cid
exit 1
fi
echo "Connected!"
}
net_ipaddr="not-found"
net_dns="not-found"
net_mtu="not-found"
qmi_wds_get_settings()
{
res=$(qmicli -d ${qmidev} --wds-get-current-settings ${wds_options} 2> /dev/null)
if (( $? != 0 )); then
echo "**ERROR retrieving settings"
echo "------"
echo $res
echo "------"
qmi_wds_release_cid
exit 1
fi
net_ipaddr=$(echo $res | sed -n "s/.*IPv4 address: \(.*\) '.*/\1/p" | cut -d" " -f1)
net_dns=$(echo $res | sed -n "s/.*DNS: \(.*\) '.*/\1/p" | cut -d" " -f1)
net_mtu=$(echo $res | sed -n "s/.*MTU: \(.*\) '.*/\1/p" | cut -d" " -f1)
echo "** IPv4 => $net_ipaddr"
echo "** DNS1 => $net_dns"
echo "** MTU => $net_mtu"
}
qmi_uim_sim_on()
{
res=$(qmicli -d ${qmidev} --dms-set-operating-mode=online 2>&1)
res=$(qmicli -d ${qmidev} --uim-sim-power-on=1 2>&1)
}
qmi_uim_verify_pin()
{
echo -n "** Verifying UIM pin1... "
res=$(qmicli -d ${qmidev} --uim-verify-pin PIN1,1234 2>&1)
if (( $? != 0 )); then
echo "ERROR!"
echo "------"
echo $res
echo "------"
exit 1
fi
echo "OK!"
}
qmi_nas_wait_carrier()
{
echo -n "** Waiting operator registration..."
while (true); do
sleep 1
res=$(qmicli -d ${qmidev} --nas-get-serving-system 2>&1 | grep registered)
if [[ "$res" == *"'registered'"* ]]; then
echo " OK!"
break
fi
echo -n "."
done
}
setup_rmnet()
{
# set MTU
ip link set ${wwan_iface} mtu ${mtu}
# Create bridge
ip link add link ${wwan_iface} name ${rmnet_iface} type rmnet mux_id ${mux_id}
ip link set ${rmnet_iface} mtu ${mtu}
ip addr add ${net_ipaddr}/27 dev ${rmnet_iface}
ip link set ${wwan_iface} up
ip link set ${rmnet_iface} up
ip route del default
ip route add default via ${net_ipaddr}
echo "nameserver ${net_dns}" > /etc/resolv.conf
}
release_rmnet()
{
res=$(ip link set ${rmnet_iface} down 2>&1)
res=$(ip link set ${wwan_iface} down 2>&1)
res=$(ip link del ${rmnet_iface} 2>&1)
res=$(ip route del ${net_ipaddr} 2>&1)
echo "nameserver 8.8.8.8" > /etc/resolv.conf
}
interrupt_cb()
{
echo " => Interrupted"
qmi_wds_release_cid
release_rmnet
exit 0
}
if (( $# < 1 )); then
usage
exit 1
fi
apn=$1
if [ "$EUID" -ne 0 ]; then
echo "Please run as root"
exit
fi
qmi_device_find
if (( $# > 1 )); then
pin=$2
qmi_uim_verify_pin
fi
qmi_uim_sim_on
qmi_nas_wait_carrier
qmi_wda_set_data_format
qmi_wds_get_cid
qmi_wds_reset
qmi_wds_bind_mux_data_port
qmi_wds_start_network
qmi_wds_get_settings
setup_rmnet
echo "** Ready! (ctrl+c to stop wwan network)"
sleep infinity
|
