---
 drivers/gemaltomodem/gemaltomodem.c      |   2 +
 drivers/gemaltomodem/gemaltomodem.h      |   3 +
 drivers/gemaltomodem/gprs-context-wwan.c | 446 +++++++++++++++++++++++++++++++
 3 files changed, 451 insertions(+)
 create mode 100644 drivers/gemaltomodem/gprs-context-wwan.c

diff --git a/drivers/gemaltomodem/gemaltomodem.c 
b/drivers/gemaltomodem/gemaltomodem.c
index 614ca81..7afd3c1 100644
--- a/drivers/gemaltomodem/gemaltomodem.c
+++ b/drivers/gemaltomodem/gemaltomodem.c
@@ -35,6 +35,7 @@
 static int gemaltomodem_init(void)
 {
        gemalto_location_reporting_init();
+       gemaltowwan_gprs_context_init();
        gemalto_voicecall_init();
        return 0;
 }
@@ -42,6 +43,7 @@ static int gemaltomodem_init(void)
 static void gemaltomodem_exit(void)
 {
        gemalto_location_reporting_exit();
+       gemaltowwan_gprs_context_exit();
        gemalto_voicecall_exit();
 }
 
diff --git a/drivers/gemaltomodem/gemaltomodem.h 
b/drivers/gemaltomodem/gemaltomodem.h
index 4e6ed16..f45aea9 100644
--- a/drivers/gemaltomodem/gemaltomodem.h
+++ b/drivers/gemaltomodem/gemaltomodem.h
@@ -24,5 +24,8 @@
 extern void gemalto_location_reporting_init();
 extern void gemalto_location_reporting_exit();
 
+extern void gemaltowwan_gprs_context_init();
+extern void gemaltowwan_gprs_context_exit();
+
 extern void gemalto_voicecall_init();
 extern void gemalto_voicecall_exit();
diff --git a/drivers/gemaltomodem/gprs-context-wwan.c 
b/drivers/gemaltomodem/gprs-context-wwan.c
new file mode 100644
index 0000000..12378a3
--- /dev/null
+++ b/drivers/gemaltomodem/gprs-context-wwan.c
@@ -0,0 +1,446 @@
+/*
+ *
+ *  oFono - Open Source Telephony
+ *
+ *  Copyright (C) 2017 Piotr Haber. All rights reserved.
+ *  Copyright (C) 2018 Sebastian Arnd. All rights reserved.
+ *  Copyright (C) 2018 Gemalto M2M
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  published by the Free Software Foundation.
+ *
+ *  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.
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#define _GNU_SOURCE
+#include <string.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <errno.h>
+#include <sys/stat.h>
+
+#include <glib.h>
+
+#include <ofono/log.h>
+#include <ofono/modem.h>
+#include <ofono/gprs-context.h>
+
+#include "gatchat.h"
+#include "gatresult.h"
+
+#include "gemaltomodem.h"
+
+static const char *none_prefix[] = { NULL };
+
+enum state {
+       STATE_IDLE,
+       STATE_ENABLING,
+       STATE_DISABLING,
+       STATE_ACTIVE,
+};
+
+struct gprs_context_data {
+       GAtChat *chat;
+       unsigned int active_context;
+       char username[OFONO_GPRS_MAX_USERNAME_LENGTH + 1];
+       char password[OFONO_GPRS_MAX_PASSWORD_LENGTH + 1];
+       enum ofono_gprs_auth_method auth_method;
+       enum state state;
+       enum ofono_gprs_proto proto;
+       char address[64];
+       char netmask[64];
+       char gateway[64];
+       char dns1[64];
+       char dns2[64];
+       ofono_gprs_context_cb_t cb;
+       void *cb_data;
+       int use_wwan;
+};
+
+static gboolean gemalto_get_auth_command(struct ofono_modem *modem, int cid,
+                               enum ofono_gprs_auth_method auth_method,
+                               const char *username, const char *password,
+                               char *buf, guint buflen)
+{
+       int gto_auth = ofono_modem_get_integer(modem, "Gemalto_Auth");
+       int len;
+       /*
+        * 0: use cgauth
+        * 1: use sgauth(pwd, user)
+        * 2: use sgauth(user, pwd)
+        */
+
+       int auth_type;
+
+       switch (auth_method) {
+       case OFONO_GPRS_AUTH_METHOD_PAP:
+               auth_type = 1;
+               break;
+       case OFONO_GPRS_AUTH_METHOD_CHAP:
+               auth_type = 2;
+               break;
+       case OFONO_GPRS_AUTH_METHOD_NONE:
+       default:
+               auth_type = 0;
+               break;
+       }
+
+       if (auth_type != 0 && (!*username || !*password))
+               return FALSE;
+
+       switch (gto_auth) {
+       case 1:
+       case 2:
+               len = snprintf(buf, buflen, "AT^SGAUTH=%d", cid);
+               break;
+       case 0:
+       default:
+               len = snprintf(buf, buflen, "AT+CGAUTH=%d", cid);
+               break;
+       }
+
+       buflen -= len;
+
+       switch(auth_type) {
+       case 0:
+
+               switch (gto_auth) {
+               case 2:
+                       snprintf(buf+len, buflen, ",0,\"\",\"\"");
+                       break;
+               case 0:
+               case 1:
+               default:
+                       snprintf(buf+len, buflen, ",0");
+                       break;
+               }
+               break;
+
+       case 1:
+       case 2:
+
+               switch (gto_auth) {
+               case 1:
+                       snprintf(buf+len, buflen, ",%d,\"%s\",\"%s\"",
+                                       auth_type, password, username);
+                       break;
+               case 0:
+               case 2:
+               default:
+                       snprintf(buf+len, buflen, ",%d,\"%s\",\"%s\"",
+                                       auth_type, username, password);
+               }
+               break;
+
+       default:
+               return FALSE;
+       }
+
+       return TRUE;
+}
+
+static void gemalto_get_cgdcont_command(struct ofono_modem *modem,
+                       guint cid, enum ofono_gprs_proto proto, const char *apn,
+                                                       char *buf, guint buflen)
+{
+       int len = snprintf(buf, buflen, "AT+CGDCONT=%u", cid);
+       buflen -= len;
+
+       if (!apn) /* it will remove the context */
+               return;
+
+       switch (proto) {
+       case OFONO_GPRS_PROTO_IPV6:
+               snprintf(buf+len, buflen, ",\"IPV6\",\"%s\"", apn);
+               break;
+       case OFONO_GPRS_PROTO_IPV4V6:
+               snprintf(buf+len, buflen, ",\"IPV4V6\",\"%s\"", apn);
+               break;
+       case OFONO_GPRS_PROTO_IP:
+       default:
+               snprintf(buf+len, buflen, ",\"IP\",\"%s\"", apn);
+               break;
+       }
+}
+
+static void failed_setup(struct ofono_gprs_context *gc,
+                               GAtResult *result, gboolean deactivate)
+{
+       struct gprs_context_data *gcd = ofono_gprs_context_get_data(gc);
+       struct ofono_error error;
+       char buf[64];
+
+       DBG("deactivate %d", deactivate);
+
+       if (deactivate == TRUE) {
+
+               if (gcd->use_wwan)
+                       sprintf(buf, "AT^SWWAN=0,%u", gcd->active_context);
+               else
+                       sprintf(buf, "AT+CGACT=0,%u", gcd->active_context);
+
+               g_at_chat_send(gcd->chat, buf, none_prefix, NULL, NULL, NULL);
+       }
+
+       gcd->active_context = 0;
+       gcd->state = STATE_IDLE;
+
+       if (result == NULL) {
+               CALLBACK_WITH_FAILURE(gcd->cb, gcd->cb_data);
+               return;
+       }
+
+       decode_at_error(&error, g_at_result_final_response(result));
+       gcd->cb(&error, gcd->cb_data);
+}
+
+static void activate_cb(gboolean ok, GAtResult *result, gpointer user_data)
+{
+       struct ofono_gprs_context *gc = user_data;
+       struct gprs_context_data *gcd = ofono_gprs_context_get_data(gc);
+
+       DBG("ok %d", ok);
+
+       if (!ok) {
+               ofono_error("Unable activate context");
+               /*
+                * We've reported sucess already, so can't just call
+                * failed_setup we call ofono_gprs_context_deactivated instead.
+                * Thats not a clean solution at all, but as it seems there is
+                * no clean way to determine whether it is possible to activate
+                * the context before issuing AT^SWWAN. A possible workaround
+                * might be to issue AT+CGACT=1 and AT+CGACT=0 and try if that
+                * works, before calling CALLBACK_WITH_SUCCESS.
+                */
+               ofono_gprs_context_deactivated(gc, gcd->active_context);
+               gcd->active_context = 0;
+               gcd->state = STATE_IDLE;
+               return;
+       }
+       /* We've reported sucess already */
+}
+
+static void setup_cb(gboolean ok, GAtResult *result, gpointer user_data)
+{
+       struct ofono_gprs_context *gc = user_data;
+       struct gprs_context_data *gcd = ofono_gprs_context_get_data(gc);
+       char buf[32 + OFONO_GPRS_MAX_USERNAME_LENGTH +
+                                       OFONO_GPRS_MAX_PASSWORD_LENGTH +1];
+       struct ofono_modem *modem = ofono_gprs_context_get_modem(gc);
+       const char *interface;
+
+       if (!ok) {
+               ofono_error("Failed to setup context");
+               failed_setup(gc, result, FALSE);
+               return;
+       }
+
+       if (gemalto_get_auth_command(modem, gcd->active_context,
+                               gcd->auth_method, gcd->username, gcd->password,
+                                                       buf, sizeof(buf))) {
+               if (!g_at_chat_send(gcd->chat, buf, none_prefix, NULL, NULL,
+                                                                       NULL))
+               goto error;
+       }
+       /*
+        * note that if the auth command is not ok we skip it and continue
+        * but if the sending fails we do an error
+        */
+
+       if (gcd->use_wwan)
+               sprintf(buf, "AT^SWWAN=1,%u", gcd->active_context);
+       else
+               sprintf(buf, "AT+CGACT=%u,1", gcd->active_context);
+
+       if (g_at_chat_send(gcd->chat, buf, none_prefix,
+                                       activate_cb, gc, NULL) > 0){
+
+               interface = ofono_modem_get_string(modem, "NetworkInterface");
+
+               ofono_gprs_context_set_interface(gc, interface);
+               ofono_gprs_context_set_ipv4_address(gc, NULL, FALSE);
+
+               /*
+                * We report sucess already here because some modules need a
+                * DHCP request to complete the AT^SWWAN command sucessfully
+                */
+               gcd->state = STATE_ACTIVE;
+
+               CALLBACK_WITH_SUCCESS(gcd->cb, gcd->cb_data);
+
+               return;
+       }
+
+error:
+       failed_setup(gc, NULL, FALSE);
+}
+
+static void gemaltowwan_gprs_activate_primary(struct ofono_gprs_context *gc,
+                               const struct ofono_gprs_primary_context *ctx,
+                               ofono_gprs_context_cb_t cb, void *data)
+{
+       struct gprs_context_data *gcd = ofono_gprs_context_get_data(gc);
+       char buf[OFONO_GPRS_MAX_APN_LENGTH + 128];
+       struct ofono_modem *modem = ofono_gprs_context_get_modem(gc);
+
+       DBG("cid %u", ctx->cid);
+
+       gcd->use_wwan = ofono_modem_get_integer(modem, "Gemalto_WWAN");
+       gcd->active_context = ctx->cid;
+       gcd->cb = cb;
+       gcd->cb_data = data;
+       memcpy(gcd->username, ctx->username, sizeof(ctx->username));
+       memcpy(gcd->password, ctx->password, sizeof(ctx->password));
+       gcd->state = STATE_ENABLING;
+       gcd->proto = ctx->proto;
+       gcd->auth_method = ctx->auth_method;
+
+       gemalto_get_cgdcont_command(modem, ctx->cid, ctx->proto, ctx->apn, buf,
+                                                               sizeof(buf));
+
+       if (g_at_chat_send(gcd->chat, buf, none_prefix,
+                               setup_cb, gc, NULL) > 0)
+               return;
+
+       CALLBACK_WITH_FAILURE(cb, data);
+}
+
+static void deactivate_cb(gboolean ok, GAtResult *result, gpointer user_data)
+{
+       struct ofono_gprs_context *gc = user_data;
+       struct gprs_context_data *gcd = ofono_gprs_context_get_data(gc);
+
+       DBG("ok %d", ok);
+
+       gcd->active_context = 0;
+       gcd->state = STATE_IDLE;
+
+       CALLBACK_WITH_SUCCESS(gcd->cb, gcd->cb_data);
+}
+
+static void gemaltowwan_gprs_deactivate_primary(struct ofono_gprs_context *gc,
+                                       unsigned int cid,
+                                       ofono_gprs_context_cb_t cb, void *data)
+{
+       struct gprs_context_data *gcd = ofono_gprs_context_get_data(gc);
+       char buf[64];
+
+       DBG("cid %u", cid);
+
+       gcd->state = STATE_DISABLING;
+       gcd->cb = cb;
+       gcd->cb_data = data;
+
+       if (gcd->use_wwan)
+               sprintf(buf, "AT^SWWAN=0,%u", gcd->active_context);
+       else
+               sprintf(buf, "AT+CGACT=%u,0", gcd->active_context);
+
+       if (g_at_chat_send(gcd->chat, buf, none_prefix,
+                               deactivate_cb, gc, NULL) > 0)
+               return;
+
+       CALLBACK_WITH_SUCCESS(cb, data);
+}
+
+static void cgev_notify(GAtResult *result, gpointer user_data)
+{
+       struct ofono_gprs_context *gc = user_data;
+       struct gprs_context_data *gcd = ofono_gprs_context_get_data(gc);
+       const char *event;
+       int cid = 0;
+       GAtResultIter iter;
+
+       g_at_result_iter_init(&iter, result);
+
+       if (!g_at_result_iter_next(&iter, "+CGEV:"))
+               return;
+
+       if (!g_at_result_iter_next_unquoted_string(&iter, &event))
+               return;
+
+       if (!g_str_has_prefix(event, "ME PDN DEACT"))
+               return;
+
+       sscanf(event, "%*s %*s %*s %u", &cid);
+
+       DBG("cid %d", cid);
+
+       if ((unsigned int) cid != gcd->active_context)
+               return;
+
+       ofono_gprs_context_deactivated(gc, gcd->active_context);
+
+       gcd->active_context = 0;
+       gcd->state = STATE_IDLE;
+}
+
+static int gemaltowwan_gprs_context_probe(struct ofono_gprs_context *gc,
+                                       unsigned int model, void *data)
+{
+       GAtChat *chat = data;
+       struct gprs_context_data *gcd;
+       struct ofono_modem *modem = ofono_gprs_context_get_modem(gc);
+
+       DBG("");
+
+       gcd = g_try_new0(struct gprs_context_data, 1);
+       if (gcd == NULL)
+               return -ENOMEM;
+
+       if (modem)
+               gcd->use_wwan = ofono_modem_get_integer(modem, "Gemalto_WWAN");
+       gcd->chat = g_at_chat_clone(chat);
+       ofono_gprs_context_set_data(gc, gcd);
+       g_at_chat_register(chat, "+CGEV:", cgev_notify, FALSE, gc, NULL);
+
+       return 0;
+}
+
+static void gemaltowwan_gprs_context_remove(struct ofono_gprs_context *gc)
+{
+       struct gprs_context_data *gcd = ofono_gprs_context_get_data(gc);
+
+       DBG("");
+
+       ofono_gprs_context_set_data(gc, NULL);
+
+       g_at_chat_unref(gcd->chat);
+       g_free(gcd);
+}
+
+static void gemaltowwan_gprs_detach_shutdown(struct ofono_gprs_context *gc,
+                                       unsigned int cid)
+{
+       DBG("cid %u", cid);
+
+       ofono_gprs_context_deactivated(gc, cid);
+}
+
+static struct ofono_gprs_context_driver driver = {
+       .name                   = "gemaltowwanmodem",
+       .probe                  = gemaltowwan_gprs_context_probe,
+       .remove                 = gemaltowwan_gprs_context_remove,
+       .activate_primary       = gemaltowwan_gprs_activate_primary,
+       .deactivate_primary     = gemaltowwan_gprs_deactivate_primary,
+       .detach_shutdown        = gemaltowwan_gprs_detach_shutdown,
+};
+
+void gemaltowwan_gprs_context_init(void)
+{
+       ofono_gprs_context_driver_register(&driver);
+}
+
+void gemaltowwan_gprs_context_exit(void)
+{
+       ofono_gprs_context_driver_unregister(&driver);
+}
-- 
1.9.1

_______________________________________________
ofono mailing list
ofono@ofono.org
https://lists.ofono.org/mailman/listinfo/ofono

Reply via email to