diff options
| -rw-r--r-- | recipes-connectivity/ppp/files/default.patch | 13 | ||||
| -rwxr-xr-x | recipes-connectivity/ppp/files/wait_for_reset | 45 |
2 files changed, 58 insertions, 0 deletions
diff --git a/recipes-connectivity/ppp/files/default.patch b/recipes-connectivity/ppp/files/default.patch new file mode 100644 index 0000000..b2b4b51 --- /dev/null +++ b/recipes-connectivity/ppp/files/default.patch @@ -0,0 +1,13 @@ + New RADIORESETWAIT config +=========================================================== +diff -Ndru orig/default new/default +--- orig/default 2021-09-01 10:07:10.392837363 -0500 ++++ new/default 2021-09-01 10:07:25.912837676 -0500 +@@ -6,3 +6,7 @@ + # maximum wait time for the SIM to register + # for cellular PPP. + PPPTIMEOUT=60 ++# ++# ++# Wait for radio-reset to finish. ++RADIORESETWAIT="no" diff --git a/recipes-connectivity/ppp/files/wait_for_reset b/recipes-connectivity/ppp/files/wait_for_reset new file mode 100755 index 0000000..7e9da95 --- /dev/null +++ b/recipes-connectivity/ppp/files/wait_for_reset @@ -0,0 +1,45 @@ +#!/bin/bash + +# For ppp to work, stty must work on file descriptor 0. +# If stty fails, so will ppp. + +NAME=wait_for_reset + +: ${LOG:="/usr/bin/logger -t ${NAME} -p daemon.notice"} + +USR2=12 +TERM=15 +# Child used to set our PID in the radio-reset-monitor +function sleep_reset +{ + # Wait for parent to enter wait. + trap "kill $!;kill $BASHPID" $TERM + while [[ $(ps -h -o wchan -p $PPID) != do_wait ]] ; do usleep 100 ; done + ${LOG} Register for SIGUSR2 when radio-reset complete + echo "$$" "$USR2" >/sys/devices/platform/mts-io/radio-reset-monitor + discovered=$(cat /sys/devices/platform/mts-io/radio-udev-discovery) + if ((discovered == 1)) ; then + # reset is not in progress. + exit 0 + fi + sleep 4294967295 # Hopefully forever + exit 0 +} + +# Wait for radio-reset to complete +function wait_for_reset +{ + # Wait for radio reset/modem discovery + trap ":" $USR2 + in_reset=$(cat /sys/devices/platform/mts-io/radio-udev-discovery) + if ((in_reset == 0)) ; then + sleep_reset & + wait $! + # pgrep is needed to find the sleep process + echo "pgrep -P: $(pgrep -P $!)" + pgrep -P $! | xargs kill + ${LOG} "radio-reset is complete" + + fi + trap "" $USR2 +} |