Merge ~alfonsosanchezbeato/snappy-hwe-snaps/+git/modem-manager:gemalto-lte-fix into ~snappy-hwe-team/snappy-hwe-snaps/+git/modem-manager:modem-manager/1.8.0

[Alfonso Sanchez-Beato]

Add support for PLS62 LTE connectivity. Fixes LP: #1801398

Add support for PLS62 LTE connectivity. Fixes LP: #1801398

[System Enablement Bot (system-enablement-ci-bot)]

FAILED: Continuous integration, rev:ce0b3009990ae054761991d8dc750d4d66465cd4
https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-build-prepare/297/
Executed test runs:
    FAILURE: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-build/ARCHITECTURE=amd64/338/console
    SUCCESS: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-build/ARCHITECTURE=arm64/338
    SUCCESS: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-build/ARCHITECTURE=armhf/338
    SUCCESS: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-build/ARCHITECTURE=i386/338
    SUCCESS: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-docs/1130
    SUCCESS: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-cleanup/873
    None: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-update-mp/910/console

Click here to trigger a rebuild:
https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-build-prepare/297/rebuild

review: Needs Fixing (continuous-integration)

[Konrad Zapałowicz (kzapalowicz)]

review: Approve (code)

diff --git a/plugins/Makefile.am b/plugins/Makefile.am
index cfe4456..2c7a182 100644
--- a/plugins/Makefile.am
+++ b/plugins/Makefile.am
@@ -611,6 +611,8 @@ libmm_plugin_cinterion_la_SOURCES = \
 	cinterion/mm-broadband-modem-cinterion.h \
 	cinterion/mm-broadband-bearer-cinterion.c \
 	cinterion/mm-broadband-bearer-cinterion.h \
+	cinterion/mm-broadband-bearer-pls62.c \
+	cinterion/mm-broadband-bearer-pls62.h \
 	$(NULL)
 if WITH_QMI
 libmm_plugin_cinterion_la_SOURCES += \
diff --git a/plugins/cinterion/mm-broadband-bearer-pls62.c b/plugins/cinterion/mm-broadband-bearer-pls62.c
 new file mode 100644
index 0000000..e902ce2
--- /dev/null
+++ b/plugins/cinterion/mm-broadband-bearer-pls62.c
@@ -0,0 +1,455 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details:
+ *
+ * Copyright (C) 2018 Canonical Ltd
+ * Author: Alfonso Sanchez-Beato <[e-mail]>
+ */
+
+#include <config.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <ctype.h>
+#include <arpa/inet.h>
+#include <ModemManager.h>
+#include "mm-base-modem-at.h"
+#include "mm-broadband-bearer-pls62.h"
+#include "mm-log.h"
+#include "mm-modem-helpers.h"
+#include "mm-modem-helpers-cinterion.h"
+#include "mm-daemon-enums-types.h"
+
+G_DEFINE_TYPE (MMBroadbandBearerPls62, mm_broadband_bearer_pls62, MM_TYPE_BROADBAND_BEARER)
+
+/*****************************************************************************/
+/* Auth helpers */
+
+typedef enum {
+    BEARER_PLS62_AUTH_UNKNOWN   = -1,
+    BEARER_PLS62_AUTH_NONE      =  0,
+    BEARER_PLS62_AUTH_PAP       =  1,
+    BEARER_PLS62_AUTH_CHAP      =  2,
+    BEARER_PLS62_AUTH_MSCHAPV2  =  3,
+} BearerPls62AuthType;
+
+static BearerPls62AuthType
+parse_auth_type (MMBearerAllowedAuth mm_auth)
+{
+    switch (mm_auth) {
+    case MM_BEARER_ALLOWED_AUTH_NONE:
+        return BEARER_PLS62_AUTH_NONE;
+    case MM_BEARER_ALLOWED_AUTH_PAP:
+        return BEARER_PLS62_AUTH_PAP;
+    case MM_BEARER_ALLOWED_AUTH_CHAP:
+        return BEARER_PLS62_AUTH_CHAP;
+    case MM_BEARER_ALLOWED_AUTH_MSCHAPV2:
+        return BEARER_PLS62_AUTH_MSCHAPV2;
+    default:
+        return BEARER_PLS62_AUTH_UNKNOWN;
+    }
+}
+
+/* AT^SGAUTH=<cid>[, <auth_type>[, <passwd>, <user>]] */
+static gchar *
+build_auth_string (MMBearerProperties *config,
+                   guint               cid)
+{
+    const gchar             *user;
+    const gchar             *passwd;
+    gboolean                 has_user;
+    gboolean                 has_passwd;
+    MMBearerAllowedAuth      auth;
+    BearerPls62AuthType  encoded_auth = BEARER_PLS62_AUTH_UNKNOWN;
+
+    user   = mm_bearer_properties_get_user         (config);
+    passwd = mm_bearer_properties_get_password     (config);
+    auth   = mm_bearer_properties_get_allowed_auth (config);
+
+    has_user     = (user   && user[0]);
+    has_passwd   = (passwd && passwd[0]);
+    encoded_auth = parse_auth_type (auth);
+
+    /* When 'none' requested, we won't require user/password */
+    if (encoded_auth == BEARER_PLS62_AUTH_NONE) {
+        if (has_user || has_passwd)
+            mm_warn ("APN user/password given but 'none' authentication requested");
+        return g_strdup_printf ("^SGAUTH=%u,%d", cid, encoded_auth);
+    }
+
+    /* No explicit auth type requested? */
+    if (encoded_auth == BEARER_PLS62_AUTH_UNKNOWN) {
+        /* If no user/passwd given, do nothing */
+        if (!has_user && !has_passwd)
+            return NULL;
+
+        /* If user/passwd given, default to PAP */
+        mm_dbg ("APN user/password given but no authentication type explicitly requested: defaulting to 'PAP'");
+        encoded_auth = BEARER_PLS62_AUTH_PAP;
+    }
+
+    return g_strdup_printf ("^SGAUTH=%u,%d,%s,%s", cid, encoded_auth, passwd, user);
+}
+
+/******************************************************************************/
+/* Dial 3GPP */
+
+typedef enum {
+    DIAL_3GPP_CONTEXT_STEP_FIRST = 0,
+    DIAL_3GPP_CONTEXT_STEP_AUTH,
+    DIAL_3GPP_CONTEXT_STEP_START_CONNECTION,
+    DIAL_3GPP_CONTEXT_STEP_LAST,
+} Dial3gppContextStep;
+
+typedef struct {
+    MMBroadbandBearerPls62 *self;
+    MMBaseModem            *modem;
+    MMPortSerialAt         *primary;
+    guint                   cid;
+    MMPort                 *data;
+    Dial3gppContextStep     step;
+} Dial3gppContext;
+
+static void
+dial_3gpp_context_free (Dial3gppContext *ctx)
+{
+    g_object_unref (ctx->modem);
+    g_object_unref (ctx->self);
+    g_object_unref (ctx->primary);
+    g_clear_object (&ctx->data);
+    g_slice_free (Dial3gppContext, ctx);
+}
+
+static MMPort *
+dial_3gpp_finish (MMBroadbandBearer  *self,
+                  GAsyncResult       *res,
+                  GError            **error)
+{
+    return MM_PORT (g_task_propagate_pointer (G_TASK (res), error));
+}
+
+static void dial_3gpp_context_step (GTask *task);
+
+static void
+common_dial_operation_ready (MMBaseModem  *modem,
+                             GAsyncResult *res,
+                             GTask        *task)
+{
+    Dial3gppContext *ctx;
+    GError          *error = NULL;
+
+    ctx = (Dial3gppContext *) g_task_get_task_data (task);
+
+    if (!mm_base_modem_at_command_full_finish (modem, res, &error)) {
+        g_task_return_error (task, error);
+        g_object_unref (task);
+        return;
+    }
+
+    /* Go to next step */
+    ctx->step++;
+    dial_3gpp_context_step (task);
+}
+
+static void
+parent_dial_3gpp_ready (MMBroadbandBearer *self,
+                        GAsyncResult *res,
+                        GTask *task)
+{
+    Dial3gppContext *ctx;
+    GError *error = NULL;
+
+    ctx = g_task_get_task_data (task);
+
+    ctx->data = MM_BROADBAND_BEARER_CLASS (mm_broadband_bearer_pls62_parent_class)->dial_3gpp_finish (self, res, &error);
+    if (!ctx->data) {
+        g_task_return_error (task, error);
+        g_object_unref (task);
+        return;
+    }
+
+    /* Go on */
+    ctx->step++;
+    dial_3gpp_context_step (task);
+}
+
+static void
+handle_cancel_dial (GTask *task)
+{
+    Dial3gppContext *ctx;
+    gchar           *command;
+
+    ctx = g_task_get_task_data (task);
+
+    /* Disconnect, may not succeed. Will not check response on cancel */
+    command = g_strdup_printf ("+CGACT=0,%u", ctx->cid);
+    mm_base_modem_at_command_full (ctx->modem,
+                                   ctx->primary,
+                                   command,
+                                   3,
+                                   FALSE,
+                                   FALSE,
+                                   NULL,
+                                   NULL,
+                                   NULL);
+    g_free (command);
+}
+
+static void
+deactivate_ready (MMBaseModem  *modem,
+                  GAsyncResult *res,
+                  GTask        *task)
+{
+    Dial3gppContext *ctx;
+
+    /* Do note check +CGATT errors, that and following commands are best-effort */
+    ctx = (Dial3gppContext *)g_task_get_task_data (task);
+
+    mm_dbg ("cinterion activate context again");
+    mm_base_modem_at_command_full (ctx->modem,
+                                   ctx->primary,
+                                   "+CGATT=1",
+                                   90,
+                                   FALSE,
+                                   FALSE,
+                                   NULL,
+                                   NULL,
+                                   task);
+
+    /* We return with error now and wait for next re-try */
+    g_task_return_new_error (
+        task,
+        MM_CORE_ERROR,
+        MM_CORE_ERROR_FAILED,
+        "cinterion: not CID one, things should work on next re-try");
+    g_object_unref (task);
+}
+
+static void
+detach_ready (MMBaseModem  *modem,
+              GAsyncResult *res,
+              GTask        *task)
+{
+    Dial3gppContext *ctx;
+
+    /* Do note check +CGATT errors, that and following commands are best-effort */
+    ctx = (Dial3gppContext *)g_task_get_task_data (task);
+
+    mm_dbg ("cinterion deactivate context");
+    mm_base_modem_at_command_full (ctx->modem,
+                                   ctx->primary,
+                                   "+CGACT=0",
+                                   90,
+                                   FALSE,
+                                   FALSE,
+                                   NULL,
+                                   (GAsyncReadyCallback)deactivate_ready,
+                                   task);
+}
+
+static void
+set_apn_ready (MMBaseModem  *modem,
+               GAsyncResult *res,
+               GTask        *task)
+{
+    Dial3gppContext *ctx;
+    GError          *error = NULL;
+
+    ctx = (Dial3gppContext *)g_task_get_task_data (task);
+
+    if (!mm_base_modem_at_command_full_finish (modem, res, &error)) {
+        g_task_return_error (task, error);
+        g_object_unref (task);
+        return;
+    }
+
+    mm_dbg ("cinterion dettaching so CID changes apply");
+    mm_base_modem_at_command_full (ctx->modem,
+                                   ctx->primary,
+                                   "+CGATT=0",
+                                   90,
+                                   FALSE,
+                                   FALSE,
+                                   NULL,
+                                   (GAsyncReadyCallback)detach_ready,
+                                   task);
+}
+
+static void
+dial_3gpp_context_step (GTask *task)
+{
+    Dial3gppContext *ctx;
+
+    ctx = g_task_get_task_data (task);
+
+    /* Check for cancellation */
+    if (g_task_return_error_if_cancelled (task)) {
+        handle_cancel_dial (task);
+        g_object_unref (task);
+        return;
+    }
+
+    switch (ctx->step) {
+    case DIAL_3GPP_CONTEXT_STEP_FIRST:
+        if (ctx->cid != 1) {
+            /* We always want CID 1 so LTE auto-attach works. Change CID 1 and re-attach. */
+            gchar *command;
+            const gchar *apn;
+
+            apn = mm_bearer_properties_get_apn (mm_base_bearer_peek_config (MM_BASE_BEARER (ctx->self)));
+            mm_dbg ("cinterion dial step %u/%u: setting CID 1 to APN %s",
+                    ctx->step, DIAL_3GPP_CONTEXT_STEP_LAST, apn);
+            command = g_strdup_printf ("+CGDCONT=1,\"IPV4V6\",\"%s\"", apn);
+            mm_base_modem_at_command_full (ctx->modem,
+                                           ctx->primary,
+                                           command,
+                                           90,
+                                           FALSE,
+                                           FALSE,
+                                           NULL,
+                                           (GAsyncReadyCallback)set_apn_ready,
+                                           task);
+            g_free (command);
+            return;
+        }
+        /* Fall down to next step */
+        ctx->step++;
+    case DIAL_3GPP_CONTEXT_STEP_AUTH: {
+        gchar *command;
+
+        command = build_auth_string (mm_base_bearer_peek_config (MM_BASE_BEARER (ctx->self)), ctx->cid);
+        if (command) {
+            mm_dbg ("cinterion dial step %u/%u: authenticating...", ctx->step, DIAL_3GPP_CONTEXT_STEP_LAST);
+            /* Send SGAUTH write, if User & Pass are provided.
+             * advance to next state by callback */
+            mm_base_modem_at_command_full (ctx->modem,
+                                           ctx->primary,
+                                           command,
+                                           10,
+                                           FALSE,
+                                           FALSE,
+                                           NULL,
+                                           (GAsyncReadyCallback)common_dial_operation_ready,
+                                           task);
+            g_free (command);
+            return;
+        }
+
+        /* Fall down to next step */
+        mm_dbg ("cinterion dial step %u/%u: authentication not required", ctx->step, DIAL_3GPP_CONTEXT_STEP_LAST);
+        ctx->step++;
+    }
+    case DIAL_3GPP_CONTEXT_STEP_START_CONNECTION:
+        /* Chain up to parent's dialling */
+        MM_BROADBAND_BEARER_CLASS (mm_broadband_bearer_pls62_parent_class)->dial_3gpp (
+            MM_BROADBAND_BEARER (ctx->self),
+            ctx->modem,
+            ctx->primary,
+            ctx->cid,
+            g_task_get_cancellable (task),
+            (GAsyncReadyCallback)parent_dial_3gpp_ready,
+            task);
+
+        return;
+    case DIAL_3GPP_CONTEXT_STEP_LAST:
+        mm_dbg ("cinterion dial step %u/%u: finished", ctx->step, DIAL_3GPP_CONTEXT_STEP_LAST);
+        g_task_return_pointer (task, g_object_ref (ctx->data), g_object_unref);
+        g_object_unref (task);
+        return;
+    }
+}
+
+static void
+dial_3gpp (MMBroadbandBearer   *self,
+           MMBaseModem         *modem,
+           MMPortSerialAt      *primary,
+           guint                cid,
+           GCancellable        *cancellable,
+           GAsyncReadyCallback  callback,
+           gpointer             user_data)
+{
+    GTask           *task;
+    Dial3gppContext *ctx;
+
+    g_assert (primary != NULL);
+
+    /* Setup task and create connection context */
+    task = g_task_new (self, cancellable, callback, user_data);
+    ctx = g_slice_new0 (Dial3gppContext);
+    g_task_set_task_data (task, ctx, (GDestroyNotify) dial_3gpp_context_free);
+
+    /* Setup context */
+    ctx->self    = g_object_ref (self);
+    ctx->modem   = g_object_ref (modem);
+    ctx->primary = g_object_ref (primary);
+    ctx->cid     = cid;
+    ctx->step    = DIAL_3GPP_CONTEXT_STEP_FIRST;
+
+    /* Run! */
+    dial_3gpp_context_step (task);
+}
+
+/*****************************************************************************/
+/* Setup and Init Bearers */
+
+MMBaseBearer *
+mm_broadband_bearer_pls62_new_finish (GAsyncResult  *res,
+                                          GError       **error)
+{
+    GObject *bearer;
+    GObject *source;
+
+    source = g_async_result_get_source_object (res);
+    bearer = g_async_initable_new_finish (G_ASYNC_INITABLE (source), res, error);
+    g_object_unref (source);
+
+    if (!bearer)
+        return NULL;
+
+    /* Only export valid bearers */
+    mm_base_bearer_export (MM_BASE_BEARER (bearer));
+
+    return MM_BASE_BEARER (bearer);
+}
+
+void
+mm_broadband_bearer_pls62_new (MMBroadbandModemCinterion *modem,
+                                   MMBearerProperties        *config,
+                                   GCancellable              *cancellable,
+                                   GAsyncReadyCallback        callback,
+                                   gpointer                   user_data)
+{
+    g_async_initable_new_async (
+        MM_TYPE_BROADBAND_BEARER_PLS62,
+        G_PRIORITY_DEFAULT,
+        cancellable,
+        callback,
+        user_data,
+        MM_BASE_BEARER_MODEM, modem,
+        MM_BASE_BEARER_CONFIG, config,
+        "ip-timeout", BEARER_PLS62_IP_TIMEOUT_DEFAULT,
+        NULL);
+}
+
+static void
+mm_broadband_bearer_pls62_init (MMBroadbandBearerPls62 *self)
+{
+}
+
+static void
+mm_broadband_bearer_pls62_class_init (MMBroadbandBearerPls62Class *klass)
+{
+    MMBroadbandBearerClass *broadband_bearer_class = MM_BROADBAND_BEARER_CLASS (klass);
+
+    broadband_bearer_class->dial_3gpp              = dial_3gpp;
+    broadband_bearer_class->dial_3gpp_finish       = dial_3gpp_finish;
+}
diff --git a/plugins/cinterion/mm-broadband-bearer-pls62.h b/plugins/cinterion/mm-broadband-bearer-pls62.h
 new file mode 100644
index 0000000..59e77ef
--- /dev/null
+++ b/plugins/cinterion/mm-broadband-bearer-pls62.h
@@ -0,0 +1,57 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details:
+ *
+ * Copyright (C) 2018 Canonical Ltd
+ * Author: Alfonso Sanchez-Beato <[e-mail]>
+ */
+
+#ifndef MM_BROADBAND_BEARER_PLS62_H
+#define MM_BROADBAND_BEARER_PLS62_H
+
+#include <glib.h>
+#include <glib-object.h>
+
+#include "mm-broadband-bearer.h"
+#include "mm-broadband-modem-cinterion.h"
+
+/* Allow up to 90s to get a proper IP connection */
+#define BEARER_PLS62_IP_TIMEOUT_DEFAULT 90
+
+#define MM_TYPE_BROADBAND_BEARER_PLS62                (mm_broadband_bearer_pls62_get_type ())
+#define MM_BROADBAND_BEARER_PLS62(obj)                (G_TYPE_CHECK_INSTANCE_CAST ((obj), MM_TYPE_BROADBAND_BEARER_PLS62, MMBroadbandBearerPls62))
+#define MM_BROADBAND_BEARER_PLS62_CLASS(klass)        (G_TYPE_CHECK_CLASS_CAST ((klass),  MM_TYPE_BROADBAND_BEARER_PLS62, MMBroadbandBearerPls62Class))
+#define MM_IS_BROADBAND_BEARER_PLS62(obj)             (G_TYPE_CHECK_INSTANCE_TYPE ((obj), MM_TYPE_BROADBAND_BEARER_PLS62))
+#define MM_IS_BROADBAND_BEARER_PLS62_CLASS(klass)     (G_TYPE_CHECK_CLASS_TYPE ((klass),  MM_TYPE_BROADBAND_BEARER_PLS62))
+#define MM_BROADBAND_BEARER_PLS62_GET_CLASS(obj)      (G_TYPE_INSTANCE_GET_CLASS ((obj),  MM_TYPE_BROADBAND_BEARER_PLS62, MMBroadbandBearerPls62Class))
+
+typedef struct _MMBroadbandBearerPls62      MMBroadbandBearerPls62;
+typedef struct _MMBroadbandBearerPls62Class MMBroadbandBearerPls62Class;
+
+struct _MMBroadbandBearerPls62 {
+    MMBroadbandBearer parent;
+};
+
+struct _MMBroadbandBearerPls62Class {
+    MMBroadbandBearerClass parent;
+};
+
+GType mm_broadband_bearer_pls62_get_type (void);
+
+void          mm_broadband_bearer_pls62_new        (MMBroadbandModemCinterion *modem,
+                                                    MMBearerProperties        *config,
+                                                    GCancellable              *cancellable,
+                                                    GAsyncReadyCallback        callback,
+                                                    gpointer                   user_data);
+MMBaseBearer *mm_broadband_bearer_pls62_new_finish (GAsyncResult              *res,
+                                                    GError                   **error);
+
+#endif /* MM_BROADBAND_BEARER_PLS62_H */
diff --git a/plugins/cinterion/mm-broadband-modem-cinterion.c b/plugins/cinterion/mm-broadband-modem-cinterion.c
index 99dabde..fe4cdb1 100644
--- a/plugins/cinterion/mm-broadband-modem-cinterion.c
+++ b/plugins/cinterion/mm-broadband-modem-cinterion.c
@@ -40,6 +40,7 @@
 #include "mm-modem-helpers-cinterion.h"
 #include "mm-common-cinterion.h"
 #include "mm-broadband-bearer-cinterion.h"
+#include "mm-broadband-bearer-pls62.h"
 
 static void iface_modem_init      (MMIfaceModem *iface);
 static void iface_modem_3gpp_init (MMIfaceModem3gpp *iface);
@@ -1684,6 +1685,23 @@ broadband_bearer_cinterion_new_ready (GObject      *unused,
 }
 
 static void
+broadband_bearer_pls62_new_ready (GObject      *unused,
+                                      GAsyncResult *res,
+                                      GTask        *task)
+{
+    MMBaseBearer *bearer;
+    GError       *error = NULL;
+
+    bearer = mm_broadband_bearer_pls62_new_finish (res, &error);
+    if (!bearer)
+        g_task_return_error (task, error);
+    else
+        g_task_return_pointer (task, bearer, g_object_unref);
+    g_object_unref (task);
+}
+
+#if 0
+static void
 broadband_bearer_new_ready (GObject      *unused,
                             GAsyncResult *res,
                             GTask        *task)
@@ -1725,6 +1743,7 @@ broadband_bearer_no_swwan_new (MMBroadbandModem *modem,
         "ip-timeout", BEARER_CINTERION_IP_TIMEOUT_DEFAULT,
         NULL);
 }
+#endif
 
 static void
 common_create_bearer (GTask *task)
@@ -1735,11 +1754,11 @@ common_create_bearer (GTask *task)
 
     switch (self->priv->swwan_support) {
     case FEATURE_NOT_SUPPORTED:
-        mm_dbg ("^SWWAN not supported, creating default bearer...");
-        broadband_bearer_no_swwan_new (MM_BROADBAND_MODEM (self),
+        mm_dbg ("^SWWAN not supported, creating PLS62 bearer...");
+        mm_broadband_bearer_pls62_new (MM_BROADBAND_MODEM_CINTERION (self),
                                        g_task_get_task_data (task),
                                        NULL, /* cancellable */
-                                       (GAsyncReadyCallback)broadband_bearer_new_ready,
+                                       (GAsyncReadyCallback)broadband_bearer_pls62_new_ready,
                                        task);
         return;
     case FEATURE_SUPPORTED:
diff --git a/src/mm-broadband-bearer.c b/src/mm-broadband-bearer.c
index 6321de2..454b9dc 100644
--- a/src/mm-broadband-bearer.c
+++ b/src/mm-broadband-bearer.c
@@ -892,6 +892,32 @@ parse_pdp_list (MMBaseModem             *modem,
                         pdp->cid);
                 cid = pdp->cid;
             }
+        } else {
+            const gchar *apn;
+
+            apn = mm_bearer_properties_get_apn (mm_base_bearer_peek_config (MM_BASE_BEARER (ctx->self)));
+            /* Check if we have a case of APN overwritten by modem */
+            if (apn != NULL && pdp->apn != NULL && apn[0] != '\0' && pdp->apn[0] != '\0') {
+                size_t requested_len = strlen (apn);
+                if (g_ascii_strncasecmp (pdp->apn, apn, requested_len) == 0) {
+                    size_t existing_len = strlen (pdp->apn);
+                    if ((existing_len > (requested_len + 14)) &&
+                        g_ascii_strncasecmp (&pdp->apn[requested_len], ".mnc", 4) == 0 &&
+                        g_ascii_strncasecmp (&pdp->apn[requested_len + 7], ".mcc", 4) == 0) {
+                        gchar *ip_family_str;
+
+                        /* Found a PDP context with the same APN and re-formatted by modem. */
+                        ip_family_str = mm_bearer_ip_family_build_string_from_mask (pdp->pdp_type);
+                        mm_dbg ("Found PDP context created by modem with CID %u and PDP type %s for APN '%s'",
+                                pdp->cid, ip_family_str, apn ? apn : "");
+                        cid = pdp->cid;
+                        ctx->use_existing_cid = TRUE;
+                        g_free (ip_family_str);
+                        /* In this case, stop searching */
+                        break;
+                    }
+                }
+            }
         }
 
         if (ctx->max_cid < pdp->cid)