Notify mts-io when cell modems are symlinked by UDEV

2 files changed, 28 insertions, 19 deletions

diff --git a/recipes-core/udev/eudev/cellular_radios.rules b/recipes-core/udev/eudev/cellular_radios.rules
index a74ddf1..2a97a6d 100644
--- a/recipes-core/udev/eudev/cellular_radios.rules
+++ b/recipes-core/udev/eudev/cellular_radios.rules
@@ -1,5 +1,5 @@
 ACTION=="remove", GOTO="mlinux_end"
-ACTION=="add", RUN+="/etc/udev/scripts/cellular_radios.sh"
+# ACTION=="add", RUN+="/etc/udev/scripts/cellular_radios.sh"
 SUBSYSTEM!="tty", GOTO="mlinux_end"
 KERNEL!="ttyUSB[0-9]*|ttyACM[0-9]*", GOTO="mlinux_end"
 
@@ -14,19 +14,19 @@ ATTRS{idVendor}=="1bc7", ATTRS{idProduct}=="0021", ENV{ID_IFACE}=="04", SYMLINK+
 ATTRS{idVendor}=="1bc7", ATTRS{idProduct}=="0021", ENV{ID_IFACE}=="06", SYMLINK+="modem3"
 ATTRS{idVendor}=="1bc7", ATTRS{idProduct}=="0021", ENV{ID_IFACE}=="08", SYMLINK+="modem4"
 ATTRS{idVendor}=="1bc7", ATTRS{idProduct}=="0021", ENV{ID_IFACE}=="0a", SYMLINK+="modem5"
-ATTRS{idVendor}=="1bc7", ATTRS{idProduct}=="0021", ENV{ID_IFACE}=="0c", SYMLINK+="modem6"
+ATTRS{idVendor}=="1bc7", ATTRS{idProduct}=="0021", ENV{ID_IFACE}=="0c", SYMLINK+="modem6" ACTION=="add", RUN+="/etc/udev/scripts/cellular_radios.sh"
 # LAT3, LVW3 and LEU3
 ATTRS{idVendor}=="1bc7", ATTRS{idProduct}=="0036", ENV{ID_IFACE}=="00", SYMLINK+="modem0"
 ATTRS{idVendor}=="1bc7", ATTRS{idProduct}=="0036", ENV{ID_IFACE}=="02", SYMLINK+="modem1"
 ATTRS{idVendor}=="1bc7", ATTRS{idProduct}=="0036", ENV{ID_IFACE}=="04", SYMLINK+="modem2"
 ATTRS{idVendor}=="1bc7", ATTRS{idProduct}=="0036", ENV{ID_IFACE}=="06", SYMLINK+="modem3"
 ATTRS{idVendor}=="1bc7", ATTRS{idProduct}=="0036", ENV{ID_IFACE}=="08", SYMLINK+="modem4"
-ATTRS{idVendor}=="1bc7", ATTRS{idProduct}=="0036", ENV{ID_IFACE}=="0a", SYMLINK+="modem5"
+ATTRS{idVendor}=="1bc7", ATTRS{idProduct}=="0036", ENV{ID_IFACE}=="0a", SYMLINK+="modem5" ACTION=="add", RUN+="/etc/udev/scripts/cellular_radios.sh"
 # EV3
 ATTRS{idVendor}=="1bc7", ATTRS{idProduct}=="1010", ENV{ID_IFACE}=="00", SYMLINK+="modem0"
 ATTRS{idVendor}=="1bc7", ATTRS{idProduct}=="1010", ENV{ID_IFACE}=="01", SYMLINK+="modem1"
 ATTRS{idVendor}=="1bc7", ATTRS{idProduct}=="1010", ENV{ID_IFACE}=="02", SYMLINK+="modem2"
-ATTRS{idVendor}=="1bc7", ATTRS{idProduct}=="1010", ENV{ID_IFACE}=="03", SYMLINK+="modem3"
+ATTRS{idVendor}=="1bc7", ATTRS{idProduct}=="1010", ENV{ID_IFACE}=="03", SYMLINK+="modem3" ACTION=="add", RUN+="/etc/udev/scripts/cellular_radios.sh"
 # H4
 ATTRS{idVendor}=="1199", ATTRS{idProduct}=="683c", ENV{ID_IFACE}=="00", SYMLINK+="modem0"
 ATTRS{idVendor}=="1199", ATTRS{idProduct}=="683c", ENV{ID_IFACE}=="01", SYMLINK+="modem1"
@@ -34,54 +34,55 @@ ATTRS{idVendor}=="1199", ATTRS{idProduct}=="683c", ENV{ID_IFACE}=="02", SYMLINK+
 ATTRS{idVendor}=="1199", ATTRS{idProduct}=="683c", ENV{ID_IFACE}=="03", SYMLINK+="modem3"
 ATTRS{idVendor}=="1199", ATTRS{idProduct}=="683c", ENV{ID_IFACE}=="04", SYMLINK+="modem4"
 ATTRS{idVendor}=="1199", ATTRS{idProduct}=="683c", ENV{ID_IFACE}=="05", SYMLINK+="modem5"
-ATTRS{idVendor}=="1199", ATTRS{idProduct}=="683c", ENV{ID_IFACE}=="06", SYMLINK+="modem6"
+ATTRS{idVendor}=="1199", ATTRS{idProduct}=="683c", ENV{ID_IFACE}=="06", SYMLINK+="modem6" ACTION=="add", RUN+="/etc/udev/scripts/cellular_radios.sh"
 # EV2
-ATTRS{idVendor}=="1199", ATTRS{idProduct}=="0028", SYMLINK+="modem$env{ID_PORT}"
+ATTRS{idVendor}=="1199", ATTRS{idProduct}=="0028", SYMLINK+="modem$env{ID_PORT}" ACTION=="add", RUN+="/etc/udev/scripts/cellular_radios.sh"
 
 # AT Command ports
 # H5: ttyACM0, ttyACM3
 ATTRS{idVendor}=="1bc7", ATTRS{idProduct}=="0021", ENV{ID_IFACE}=="00", SYMLINK+="modem_at0"
-ATTRS{idVendor}=="1bc7", ATTRS{idProduct}=="0021", ENV{ID_IFACE}=="06", SYMLINK+="modem_at1"
+ATTRS{idVendor}=="1bc7", ATTRS{idProduct}=="0021", ENV{ID_IFACE}=="06", SYMLINK+="modem_at1" ACTION=="add", RUN+="/etc/udev/scripts/cellular_radios.sh"
 # LAT3, LVW3 and LEU3
 ATTRS{idVendor}=="1bc7", ATTRS{idProduct}=="0036", ENV{ID_IFACE}=="00", SYMLINK+="modem_at0"
-ATTRS{idVendor}=="1bc7", ATTRS{idProduct}=="0036", ENV{ID_IFACE}=="06", SYMLINK+="modem_at1"
+ATTRS{idVendor}=="1bc7", ATTRS{idProduct}=="0036", ENV{ID_IFACE}=="06", SYMLINK+="modem_at1" ACTION=="add", RUN+="/etc/udev/scripts/cellular_radios.sh"
 # EV3: ttyUSB2, ttyUSB3
 ATTRS{idVendor}=="1bc7", ATTRS{idProduct}=="1010", ENV{ID_IFACE}=="02", SYMLINK+="modem_at0"
-ATTRS{idVendor}=="1bc7", ATTRS{idProduct}=="1010", ENV{ID_IFACE}=="03", SYMLINK+="modem_at1"
+ATTRS{idVendor}=="1bc7", ATTRS{idProduct}=="1010", ENV{ID_IFACE}=="03", SYMLINK+="modem_at1" ACTION=="add", RUN+="/etc/udev/scripts/cellular_radios.sh"
 # H4: ttyUSB3, ttyUSB4, ttyUSB5
 ATTRS{idVendor}=="1199", ATTRS{idProduct}=="683c", ENV{ID_IFACE}=="03", SYMLINK+="modem_at0"
 ATTRS{idVendor}=="1199", ATTRS{idProduct}=="683c", ENV{ID_IFACE}=="04", SYMLINK+="modem_at1"
-ATTRS{idVendor}=="1199", ATTRS{idProduct}=="683c", ENV{ID_IFACE}=="05", SYMLINK+="modem_at2"
+ATTRS{idVendor}=="1199", ATTRS{idProduct}=="683c", ENV{ID_IFACE}=="05", SYMLINK+="modem_at2" ACTION=="add", RUN+="/etc/udev/scripts/cellular_radios.sh"
 # EV2: ttyUSB0
 ATTRS{idVendor}=="1199", ATTRS{idProduct}=="0028", ENV{ID_PORT}=="0", SYMLINK+="modem_at0"
 # LAT1, LEU1, LVW2: ttyUSB2, ttyUSB3 (port 04 and port 05)
 ATTRS{idVendor}=="1bc7", ATTRS{idProduct}=="1201", ENV{ID_IFACE}=="04", SYMLINK+="modem_at0"
-ATTRS{idVendor}=="1bc7", ATTRS{idProduct}=="1201", ENV{ID_IFACE}=="05", SYMLINK+="modem_at1"
+ATTRS{idVendor}=="1bc7", ATTRS{idProduct}=="1201", ENV{ID_IFACE}=="05", SYMLINK+="modem_at1" ACTION=="add", RUN+="/etc/udev/scripts/cellular_radios.sh"
 # LJP1(LE910-JN1), LNA3(LE910-NA1): ttyACM0, ttyACM3 (port 00 and port 03)
 ATTRS{idVendor}=="1bc7", ATTRS{idProduct}=="0036", ENV{ID_IFACE}=="00", SYMLINK+="modem_at0"
-ATTRS{idVendor}=="1bc7", ATTRS{idProduct}=="0036", ENV{ID_IFACE}=="06", SYMLINK+="modem_at1"
+ATTRS{idVendor}=="1bc7", ATTRS{idProduct}=="0036", ENV{ID_IFACE}=="06", SYMLINK+="modem_at1" ACTION=="add", RUN+="/etc/udev/scripts/cellular_radios.sh"
 # LJP1(LE866) ttyACM0, ttyACM2
 ATTRS{idVendor}=="1bc7", ATTRS{idProduct}=="2300", ENV{ID_IFACE}=="02", SYMLINK+="modem_at0"
-ATTRS{idVendor}=="1bc7", ATTRS{idProduct}=="2300", ENV{ID_IFACE}=="06", SYMLINK+="modem_at1"
+ATTRS{idVendor}=="1bc7", ATTRS{idProduct}=="2300", ENV{ID_IFACE}=="06", SYMLINK+="modem_at1" ACTION=="add", RUN+="/etc/udev/scripts/cellular_radios.sh"
 # G3: ttyACM0, ttyACM1
 ATTRS{idVendor}=="1bc7", ATTRS{idProduct}=="0022", ENV{ID_IFACE}=="00", SYMLINK+="modem_at0"
-ATTRS{idVendor}=="1bc7", ATTRS{idProduct}=="0022", ENV{ID_IFACE}=="02", SYMLINK+="modem_at1"
+ATTRS{idVendor}=="1bc7", ATTRS{idProduct}=="0022", ENV{ID_IFACE}=="02", SYMLINK+="modem_at1" ACTION=="add", RUN+="/etc/udev/scripts/cellular_radios.sh"
 # C2: ttyUSB0, ttyUSB1 (Telit Documentation: Modem Port = USB1, Aux Port = USB0)
 ATTRS{idVendor}=="1bc7", ATTRS{idProduct}=="1011", ENV{ID_IFACE}=="01", SYMLINK+="modem_at0"
-ATTRS{idVendor}=="1bc7", ATTRS{idProduct}=="1011", ENV{ID_IFACE}=="00", SYMLINK+="modem_at1"
+ATTRS{idVendor}=="1bc7", ATTRS{idProduct}=="1011", ENV{ID_IFACE}=="00", SYMLINK+="modem_at1" ACTION=="add", RUN+="/etc/udev/scripts/cellular_radios.sh"
 # CATM Telit ME910
 ATTRS{idVendor}=="1bc7", ATTRS{idProduct}=="1100", ENV{ID_IFACE}=="01", SYMLINK+="modem_at0"
-ATTRS{idVendor}=="1bc7", ATTRS{idProduct}=="1100", ENV{ID_IFACE}=="02", SYMLINK+="modem_at1"
+ATTRS{idVendor}=="1bc7", ATTRS{idProduct}=="1100", ENV{ID_IFACE}=="02", SYMLINK+="modem_at1" ACTION=="add", RUN+="/etc/udev/scripts/cellular_radios.sh"
 # CATM Telit ME910 dual USB
 ATTRS{idVendor}=="1bc7", ATTRS{idProduct}=="1101", ENV{ID_IFACE}=="01", SYMLINK+="modem_at0"
-ATTRS{idVendor}=="1bc7", ATTRS{idProduct}=="1101", ENV{ID_IFACE}=="02", SYMLINK+="modem_at1"
+ATTRS{idVendor}=="1bc7", ATTRS{idProduct}=="1101", ENV{ID_IFACE}=="02", SYMLINK+="modem_at1" ACTION=="add", RUN+="/etc/udev/scripts/cellular_radios.sh"
 
 # Quectel EG-95
 ATTRS{idVendor}=="2c7c", ATTRS{idProduct}=="0195", ENV{ID_IFACE}=="02", SYMLINK+="modem_at0"
-ATTRS{idVendor}=="2c7c", ATTRS{idProduct}=="0195", ENV{ID_IFACE}=="03", SYMLINK+="modem_at1"
+ATTRS{idVendor}=="2c7c", ATTRS{idProduct}=="0195", ENV{ID_IFACE}=="03", SYMLINK+="modem_at1" ACTION=="add", RUN+="/etc/udev/scripts/cellular_radios.sh"
 
 # Quectel EG-25
 ATTRS{idVendor}=="2c7c", ATTRS{idProduct}=="0125", ENV{ID_IFACE}=="02", SYMLINK+="modem_at0"
-ATTRS{idVendor}=="2c7c", ATTRS{idProduct}=="0125", ENV{ID_IFACE}=="03", SYMLINK+="modem_at1"
+ATTRS{idVendor}=="2c7c", ATTRS{idProduct}=="0125", ENV{ID_IFACE}=="03", SYMLINK+="modem_at1" ACTION=="add", RUN+="/etc/udev/scripts/cellular_radios.sh"
 
 LABEL="mlinux_end"
+
diff --git a/recipes-core/udev/eudev/cellular_radios.sh b/recipes-core/udev/eudev/cellular_radios.sh
index 695831f..cb9258b 100644
--- a/recipes-core/udev/eudev/cellular_radios.sh
+++ b/recipes-core/udev/eudev/cellular_radios.sh
@@ -1,7 +1,15 @@
 #!/bin/bash
 # Let mts-io know when the radio is ready
+pid=$$
+prefix="<3>cellular-discovery[${pid}]: "
+loginfo()  { echo "${prefix}$@" >/dev/kmsg ; }
+
+loginfo "cellular_radios.sh invoked"
 READYFILE=/sys/devices/platform/mts-io/radio-udev-discovery
 if [[ -f $READYFILE ]] ; then
+    if (($(cat $READYFILE) == 0)) ; then
+        loginfo "Cellular is now available"
+    fi
     echo 1 >$READYFILE
 fi