Reattach modem to packet service (#167)

wirenboard · Dec 4, 2024 · 028a0e5 · 028a0e5
1 parent 5c5f5ba
commit 028a0e5
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diff --git a/debian/changelog b/debian/changelog
@@ -1,3 +1,9 @@
+wb-utils (4.25.2) stable; urgency=medium
+
+  * Reattach modem to packet service if it was detached
+
+ -- Petr Krasnoshchekov <[email protected]>  Fri, 29 Nov 2024 19:01:54 +0500
+
 wb-utils (4.25.1) stable; urgency=medium
 
   * install_update: trigger FR from factoryreset.original.fit only if single-rootfs is not supported here

diff --git a/utils/bin/wb-gsm-mm b/utils/bin/wb-gsm-mm
@@ -1,5 +1,15 @@
 #!/bin/bash
 
+reattach_modem_if_needed() {
+    if mmcli -m wbc -K | grep -qE "modem\.generic\.state.*(enabled|registered)" && \
+       mmcli -m wbc -K | grep -q "modem\.3gpp\.packet-service-state.*detached";
+    then
+        mmcli -m wbc --3gpp-set-packet-service-state=detached
+        sleep 10
+        mmcli -m wbc --3gpp-set-packet-service-state=attached
+    fi
+}
+
 watchdog() {
     sleep $(($WATCHDOG_USEC / 6000000))
     while true; do
@@ -10,6 +20,7 @@ watchdog() {
                     echo "ModemManager is running, but modem is not found"
                 else
                     systemd-notify WATCHDOG=1
+                    reattach_modem_if_needed
                 fi
             else
                 systemd-notify WATCHDOG=1