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authorJohn Klug <john.klug@multitech.com>2021-12-21 11:17:53 -0600
committerSerhii Voloshynov <serhii.voloshynov@globallogic.com>2022-01-12 14:39:30 +0200
commit83e2356264c814eb2a8acea95a5866e5d9656757 (patch)
treefda3c3f2fb76d908b3eeb4345a24c82f0669de22 /recipes-core
parentbe0069adf8794e129cd5b01d4b1052677136d82c (diff)
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AT&T Data-Only Requirements
Diffstat (limited to 'recipes-core')
-rwxr-xr-xrecipes-core/multitech/config/chat_wrapper258
1 files changed, 204 insertions, 54 deletions
diff --git a/recipes-core/multitech/config/chat_wrapper b/recipes-core/multitech/config/chat_wrapper
index a693661..42e7507 100755
--- a/recipes-core/multitech/config/chat_wrapper
+++ b/recipes-core/multitech/config/chat_wrapper
@@ -22,7 +22,6 @@
# On entry to this script, file descriptor 0 is the modem.
# For ppp to work, stty must work on file descriptor 0.
# If stty fails, so will ppp.
-. /usr/libexec/ppp/wait_for_reset
NAME=chat_wrapper
CONFIG=/etc/default/${NAME}
@@ -31,30 +30,7 @@ RQCMD="/usr/bin/radio-query ${RADIOOPTION}"
: ${LOG:="/usr/bin/logger -t ${NAME} -p daemon.notice"}
-function finish
-{
- ${LOG} "Launch:" "$@"
- exec "$@"
- # NOTREACHED
-}
-
-# This function is used to determine if the modem and serial driver
-# are working. In testing, the driver has gotten into states where
-# stty fails. Before the chat script is started, the ioctl TCGETS is
-# performed, and will fail if the driver is hung. This same function
-# is called by stty. The modem port used by pppd is STDIN. Cases
-# have been observed on the H5 where radio-cmd works, but stty does
-# not, resulting in pppd failing. When this happens, radio-reset is
-# the best thing to try.
-function sanity
-{
- id="^[0-9][0-9][0-9][0-9][0-9][0-9]"
- if ! log=$(stty 2>&1) || ! [[ $($RQCMD --iccid) =~ $id ]] ; then
- ${LOG} "Modem has response issues, so see if we can try again"
- if ((${#log} > 0)); then
- ${LOG} "stty error: ${log}"
- fi
- array=( )
+function do_radio_reset {
# our parent is PPID, which is pppd. Get the pppd
# parameter list.
while IFS= read -r -d '' eparm; do
@@ -69,38 +45,30 @@ function sanity
if [[ ${execarg[0]} == "pppd" ]] ; then
execarg[0]=/usr/sbin/pppd
fi
-
- # Break any recursion loop.
- if [[ -f ${CHAT_WRAPPER_RECURSION} ]] ; then
- ${LOG} "Failure: modem is still unresponsive after reset"
- ${LOG} "Failure: Verify that modem and SIM are in place"
- rm -f ${CHAT_WRAPPER_RECURSION}
- exit 1
- fi
- touch ${CHAT_WRAPPER_RECURSION}
- ${LOG} "Bad TTY, possibly due to modem in bad state/no SIM detected"
- ${LOG} "Reset modem, and we relaunch pppd"
+ # No returning from this function. pppd will be
+ # restarted by us.
# Our terminal is the modem. When we reset the modem,
# we will be sent a SIGHUP. Ignore it (:).
trap : SIGHUP
/usr/sbin/mts-io-sysfs store radio-reset 0
- wait_for_reset
- ${LOG} "Completed wait_for_reset"
+ /usr/bin/mts-wait-for-cell-reset
+ ${LOG} "Completed mts-wait-for-cell-reset"
count=0
while ((count < 60)) ; do
+ ((count++))
# Wait for radio-reset to get the modem responding
- if [[ $(radio-cmd -t10000 'AT') =~ ^OK ]]; then
+ if [[ $(radio-cmd ${RADIOOPTION} -t10000 'AT') =~ ^OK ]]; then
# parent is dying, so remove the pppd locks for the new pppd.
for f in /run/lock/LCK..modem_at0 /run/lock/LCK..modem_at1 ; do
if [[ -f $f ]] ; then
mypid=$(cat $f)
mypid="${mypid#"${mypid%%[![:space:]]*}"}"
- mypid="${mypid%"${mypid##*[![:space:]]}"}"
+ mypid="${mypid%"${mypid##*[![:space:]]}"}"
${LOG} "PPID is $PPID, pid is $mypid"
# Remove the lock, if it belongs to our parent, pppd
+ # or if it is empty.
if ((${#mypid} == 0)) || [[ $mypid = $PPID ]] ; then
${LOG} "match $mypid $PPID"
- sleep 60
rm -f $f
else
${LOG} "mismatch |$mypid| |$PPID|"
@@ -108,16 +76,181 @@ function sanity
fi
done
# Locks gone, so start new pppd
+ ${LOG} "{$execarg[0]}"
nohup "${execarg[@]}" >/dev/null 2>&1 &
# Tell our parent we failed, which causes our pppd to terminate.
exit 1
else
- sleep 5
+ sleep 1
fi
done
${LOG} "ERROR: After five minutes the modem is still not ready"
${LOG} "ERROR: Verify that SIM is in place"
exit 1
+}
+
+
+function finish
+{
+ ${LOG} "Launch:" "$@"
+ exec "$@"
+ # NOTREACHED
+}
+
+function set_telit_dataonly
+{
+ local result result1 mode cemode calldisa needreset
+ needreset=1 # 1 means no reset of cell modem (function exit status)
+ cemode=$(/usr/bin/radio-cmd ${RADIOOPTION} -t10000 'AT+CEMODE?' 2>&1)
+ result=$?
+ if ((result == 0)) ; then
+ if [[ $cemode =~ CEMODE:[[:space:]]*([0-9]+) ]] ; then
+ mode=${BASH_REMATCH[1]}
+ if ((${#mode} > 0)) && ((mode != 2)) ; then
+ ${LOG} "Attempting to set CEMODE to 2"
+ cemode1=$(/usr/bin/radio-cmd ${RADIOOPTION} -t10000 "AT+CEMODE=2" 2>&1)
+ result1=$?
+ needreset=0
+ ${LOG} "radio-cmd AT+CEMODE=2 command yields $cemode1 with exit status $result1"
+ ${LOG} "Cellular modem will be reset after attmpted CEMODE change."
+ fi
+ else
+ ${LOG} "radio-cmd AT+CEMODE? command yields $cemode"
+ fi
+ else
+ ${LOG} "radio-cmd AT+CEMODE? command yields $cemode with exit status $result"
+ fi
+
+ calldisa=$(/usr/bin/radio-cmd ${RADIOOPTION} -t10000 'AT#CALLDISA?' 2>&1)
+ result=$?
+ if ((result == 0)) ; then
+ if [[ $calldisa =~ CALLDISA:[[:space:]]*([0-9,]+) ]] ; then
+ mode=${BASH_REMATCH[1]}
+ if [[ ${mode} != 1,1 ]] ; then
+ ${LOG} "Attempting to set CALLDISA to 1,1"
+ cemode1=$(/usr/bin/radio-cmd ${RADIOOPTION} -t10000 "AT#CALLDISA=1,1" 2>&1)
+ result1=$?
+ needreset=0
+ ${LOG} "radio-cmd AT+CALLDISA=1,1 command yields $cemode1 with exit status $result1"
+ ${LOG} "Cellular modem must be reset after attmpted calldisa change."
+ fi
+ else
+ ${LOG} "radio-cmd AT+CALLDISA? command yields $calldisa"
+ fi
+ else
+ ${LOG} "radio-cmd AT+CALLDISA? command yields $calldisa with exit status $result"
+ fi
+ return $needreset
+}
+
+function set_quectel_dataonly
+{
+ local result result1 ue ims sms vc needreset
+ needreset=1 # 1 means no reset of cell modem (function exit status)
+ ue=$(radio-cmd ${RADIOOPTION} -t10000 'AT+QNVFR="/nv/item_files/modem/mmode/ue_usage_setting"' 2>&1)
+ result=$?
+ if ((result == 0)) ; then
+ if [[ $ue =~ QNVFR:[[:space:]]*([0-9]+)[[:space:]]+ ]] ; then
+ if [[ ${BASH_REMATCH[1]} != 01 ]] ; then
+ ${LOG} "Attempting to set ue usage to 01"
+ ue=$(radio-cmd ${RADIOOPTION} -t10000 'AT+QNVFW="/nv/item_files/modem/mmode/ue_usage_setting",01' 2>&1)
+ result1=$?
+ needreset=0
+ ${LOG} "write ue_usage_setting yields $ue with exit status $result1"
+ fi
+ else
+ ${LOG} "read ue_usage_setting yields $ue"
+ fi
+ else
+ ${LOG} "read ue_usage_setting yields $ue with exit status $result"
+ fi
+
+ ims=$(radio-cmd ${RADIOOPTION} -t10000 'AT+QNVFR="/nv/item_files/ims/IMS_enable"' 2>&1)
+ result=$?
+ if ((result == 0)) ; then
+ if [[ $ims =~ QNVFR:[[:space:]]*([0-9]+)[[:space:]]+ ]] ; then
+ if [[ ${BASH_REMATCH[1]} != 00 ]] ; then
+ ${LOG} "Attempting to set IMS_enable to 00"
+ ims=$(radio-cmd ${RADIOOPTION} -t10000 'AT+QNVFW="/nv/item_files/ims/IMS_enable",00' 2>&1)
+ result1=$?
+ needreset=0
+ ${LOG} "write IMS_enable yields $ims with exit status $result1"
+ fi
+ else
+ ${LOG} "read IMS_enable yields $ims"
+ fi
+ else
+ ${LOG} "read IMS_enable yields $ims with exit status $result"
+ fi
+
+ vc=$(radio-cmd ${RADIOOPTION} -t10000 'AT+QNVR=5280,0' 2>&1)
+ result=$?
+ if ((result == 0)) ; then
+ if [[ $vc =~ QNVR:[[:space:]]\"*([0-9]+)\" ]] ; then
+ if [[ ${BASH_REMATCH[1]} != 010102000000000000 ]] ; then
+ ${LOG} "Attempting to set sms to 01"
+ vc=$(radio-cmd ${RADIOOPTION} -t10000 'AT+QNVW=5280,0,"0102000000000000"' 2>&1)
+ result1=$?
+ needreset=0
+ ${LOG} "voice turn off yields $vc with exit status $result1"
+ fi
+ else
+ ${LOG} "read voice state yields $vc"
+ fi
+ else
+ ${LOG} "read voice state yields $vc with exit status $result"
+ fi
+
+ sms=$(radio-cmd ${RADIOOPTION} -t10000 'AT+QNVFR="/nv/item_files/modem/mmode/sms_only"' 2>&1)
+ result=$?
+ if ((result == 0)) ; then
+ if [[ $sms =~ QNVFR:[[:space:]]\"*([0-9]+) ]] ; then
+ if [[ ${BASH_REMATCH[1]} != 01 ]] ; then
+ ${LOG} "Attempting to set sms to 01"
+ sms=$(radio-cmd ${RADIOOPTION} -t10000 'AT+QNVFW="/nv/item_files/modem/mmode/sms_only",01' 2>&1)
+ result1=$?
+ needreset=0
+ ${LOG} "sms turn on yields $sms with exit status $result1"
+ fi
+ else
+ ${LOG} "read sms state yields $sms"
+ fi
+ else
+ ${LOG} "read sms state yields $sms with exit status $result"
+ fi
+
+ return $needreset
+}
+
+# This function is used to determine if the modem and serial driver
+# are working. In testing, the driver has gotten into states where
+# stty fails. Before the chat script is started, the ioctl TCGETS is
+# performed, and will fail if the driver is hung. This same function
+# is called by stty. The modem port used by pppd is STDIN. Cases
+# have been observed on the H5 where radio-cmd works, but stty does
+# not, resulting in pppd failing. When this happens, radio-reset is
+# the best thing to try.
+function sanity
+{
+ id="^[0-9][0-9][0-9][0-9][0-9][0-9]"
+ if ! log=$(stty 2>&1) || ! [[ $($RQCMD --iccid) =~ $id ]] ; then
+ ${LOG} "Modem has response issues, so see if we can try again"
+ if ((${#log} > 0)); then
+ ${LOG} "stty error: ${log}"
+ fi
+
+ # Break any recursion loop.
+ if [[ -f ${CHAT_WRAPPER_RECURSION} ]] ; then
+ ${LOG} "Failure: modem is still unresponsive after reset"
+ ${LOG} "Failure: Verify that modem and SIM are in place"
+ rm -f ${CHAT_WRAPPER_RECURSION}
+ exit 1
+ fi
+ touch ${CHAT_WRAPPER_RECURSION}
+ ${LOG} "Bad TTY, possibly due to modem in bad state/no SIM detected"
+ ${LOG} "Reset modem, and we relaunch pppd"
+
+ do_radio_reset
fi
return 0
} # End of sanity function
@@ -127,7 +260,7 @@ WAITREG=0
[[ -f $CONFIG ]] || exit 1
-. ${CONFIG}
+. ${CONFIG}
: ${REGWAITTIME:=300}
: ${FINALWAIT:=5}
@@ -139,7 +272,7 @@ ${LOG} Timeout is $REGWAITTIME, execute "$@"
# Wait for udev to discover modem has been reset.
-wait_for_reset
+/usr/bin/mts-wait-for-cell-reset
((i=$#))
chatscript="${!i}"
@@ -172,12 +305,30 @@ if ((result1 != 0)) || ((${#cfun} == 0)) ; then
sanity
((WAITREG++))
fi
+# Must have a readable SIM in order to set DATA Mode
+if ((SETATTDATAMODE == 1)) ; then
+ CARRIER=$($RQCMD --carrier 2>&1)
+ if [[ $CARRIER =~ ^AT\&T[[:space:]]+Wireless ]] ; then
+ MODEL=$($RQCMD --model 2>&1)
+ ${LOG} "Cellular modem is $MODEL"
+ if [[ ${MODEL} == EG25 ]] || [[ ${MODEL} == EG95 ]] ; then
+ if set_quectel_dataonly ; then
+ do_radio_reset
+ fi
+ else # Could be a problem when we add new Quectel models
+ if set_telit_dataonly ; then
+ do_radio_reset
+ fi
+ fi
+ fi
+fi # Set ATT Data Mode
+
if ! [[ $cfun =~ ^\+CFUN:\ 1[,[:space:]] ]] ; then
/usr/bin/radio-cmd ${RADIOOPTION} -t10000 'AT+CFUN=1'
${LOG} "Just set CFUN=1 so wait ${CFUNWAIT} seconds"
sleep ${CFUNWAIT}
((WAITREG++))
-fi
+fi # Set CFUN=1
${LOG} "Using Context ${CONTEXTNUM} based on chat script: ${CONTEXT}"
@@ -192,11 +343,11 @@ if [[ $MCONTEXT =~ ^[Ee][Rr][Rr][Oo][Rr] ]] ; then
MCONTEXT=$(/usr/bin/radio-cmd ${RADIOOPTION} -t10000 'AT+CGDCONT?' 2>&1 | tr -d '\r')
CRESULT=$?
fi
-
+
if ! [[ $MCONTEXT =~ \+CGDCONT:[[:space:]]+${CONTEXTNUM},\"([^\"]*)\",\"([^\"]*)\",\"([^\"]*)\",([0-9]+),([0-9]+)([^$'\n']*) ]] ; then
logger -s -p daemon.error "No valid context in modem. Is it ready?"
echo "$MCONTEXT" | logger -s -p daemon.error
- echo "Result is $CRESULT" | logger -s -p daemon.error
+ echo "Result is $CRESULT" | logger -s -p daemon.error
if [[ $MCONTEXT =~ ^[Ee][Rr][Rr][Oo][Rr] ]] ; then
logger -s -p daemon.error "Context query response error. Diagnose ..."
sanity
@@ -243,7 +394,7 @@ if [[ $MADDR != $ADDR ]] ; then
ADDRMATCH=1
fi
fi
-fi
+fi
# Only update context on a mismatch between chat and modem.
if [[ $MPDP != $PDP ]] || [[ $MAPN != $APN ]] || \
@@ -284,9 +435,9 @@ if [[ $MPDP != $PDP ]] || [[ $MAPN != $APN ]] || \
count=10
while ((count > 0)) && ! [[ $($RQCMD --netreg) =~ ^NOT\ REGISTERED$ ]] ; do
sleep 2
- ((count--))
+ ((count--))
done
-
+
# H5 radios do not like addresses that are empty with ""
if ((${#ADDR} == 0)) ; then
CMDSTR="AT+CGDCONT=${CONTEXTNUM},\"${PDP}\",\"${APN}\",,$DCOMP,${HCOMP}${FULLBOAT}"
@@ -299,7 +450,7 @@ if [[ $MPDP != $PDP ]] || [[ $MAPN != $APN ]] || \
# If we fail to set the APN, sleep and try it again for up to 10 seconds.
result=1
count=10
- while ((result != 0)) && ((count > 0)) ; do
+ while ((result != 0)) && ((count > 0)) ; do
((count--)) || true
LOGMSG=$(/usr/bin/radio-cmd ${RADIOOPTION} -t10000 "${CMDSTR}" 2>&1)
result=$?
@@ -338,10 +489,9 @@ else
cops=$(/usr/bin/radio-cmd ${RADIOOPTION} -t10000 'AT+COPS?')
result0=$?
- if ((result0 != 0)) || ! [[ $cops =~ ^\+COPS:[[:space:]]0[,[:space:]] ]] ; then
+ if ((result0 != 0)) || ! [[ $cops =~ ^\+COPS:\ 0, ]] ; then
/usr/bin/radio-cmd ${RADIOOPTION} -t10000 'AT+COPS=0'
((WAITREG++))
- ${LOG} "Cops status was $cops"
${LOG} "Just set COPS=0 so wait ${COPSWAIT} seconds"
sleep ${COPSWAIT}
fi
@@ -360,7 +510,7 @@ while ! [[ $($RQCMD --netreg) =~ ^(REGISTERED|ROAMING)$ ]] ; do
if ((t1-t0 > REGWAITTIME)) ; then
${LOG} "$((t1-t0)) seconds has expired without registration"
sanity
- fi
+ fi
done
uptime=$(cat /proc/uptime)
[[ $uptime =~ ^([^\.]*) ]]