commands-nas.c

   1 /*
   2  * uqmi -- tiny QMI support implementation
   3  *
   4  * Copyright (C) 2014-2015 Felix Fietkau <nbd@openwrt.org>
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the
  18  * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  19  * Boston, MA 02110-1301 USA.
  20  */
  21
  22 #include "qmi-message.h"
  23
  24 static struct qmi_nas_set_system_selection_preference_request sel_req;
  25 static struct   {
  26         bool mcc_is_set;
  27         bool mnc_is_set;
  28 } plmn_code_flag;
  29
  30 #define cmd_nas_do_set_system_selection_cb no_cb
  31 static enum qmi_cmd_result
  32 cmd_nas_do_set_system_selection_prepare(struct qmi_dev *qmi, struct qmi_request *req, struct qmi_msg *msg, char *arg)
  33 {
  34         qmi_set_nas_set_system_selection_preference_request(msg, &sel_req);
  35         return QMI_CMD_REQUEST;
  36 }
  37
  38 static enum qmi_cmd_result
  39 do_sel_network(void)
  40 {
  41         static bool use_sel_req = false;
  42
  43         if (!use_sel_req) {
  44                 use_sel_req = true;
  45                 uqmi_add_command(NULL, __UQMI_COMMAND_nas_do_set_system_selection);
  46         }
  47
  48         return QMI_CMD_DONE;
  49 }
  50
  51 #define cmd_nas_set_network_modes_cb no_cb
  52 static enum qmi_cmd_result
  53 cmd_nas_set_network_modes_prepare(struct qmi_dev *qmi, struct qmi_request *req, struct qmi_msg *msg, char *arg)
  54 {
  55         static const struct {
  56                 const char *name;
  57                 QmiNasRatModePreference val;
  58         } modes[] = {
  59                 { "cdma", QMI_NAS_RAT_MODE_PREFERENCE_CDMA_1X | QMI_NAS_RAT_MODE_PREFERENCE_CDMA_1XEVDO },
  60                 { "td-scdma", QMI_NAS_RAT_MODE_PREFERENCE_TD_SCDMA },
  61                 { "gsm", QMI_NAS_RAT_MODE_PREFERENCE_GSM },
  62                 { "umts", QMI_NAS_RAT_MODE_PREFERENCE_UMTS },
  63                 { "lte", QMI_NAS_RAT_MODE_PREFERENCE_LTE },
  64         };
  65         QmiNasRatModePreference val = 0;
  66         char *word;
  67         int i;
  68
  69         for (word = strtok(arg, ",");
  70              word;
  71              word = strtok(NULL, ",")) {
  72                 bool found = false;
  73
  74                 for (i = 0; i < ARRAY_SIZE(modes); i++) {
  75                         if (strcmp(word, modes[i].name) != 0 &&
  76                                 strcmp(word, "all") != 0)
  77                                 continue;
  78
  79                         val |= modes[i].val;
  80                         found = true;
  81                 }
  82
  83                 if (!found) {
  84                         uqmi_add_error("Invalid network mode");
  85                         return QMI_CMD_EXIT;
  86                 }
  87         }
  88
  89         qmi_set(&sel_req, mode_preference, val);
  90         return do_sel_network();
  91 }
  92
  93 #define cmd_nas_set_network_preference_cb no_cb
  94 static enum qmi_cmd_result
  95 cmd_nas_set_network_preference_prepare(struct qmi_dev *qmi, struct qmi_request *req, struct qmi_msg *msg, char *arg)
  96 {
  97         QmiNasGsmWcdmaAcquisitionOrderPreference pref = QMI_NAS_GSM_WCDMA_ACQUISITION_ORDER_PREFERENCE_AUTOMATIC;
  98
  99         if (!strcmp(arg, "gsm"))
 100                 pref = QMI_NAS_GSM_WCDMA_ACQUISITION_ORDER_PREFERENCE_GSM;
 101         else if (!strcmp(arg, "wcdma"))
 102                 pref = QMI_NAS_GSM_WCDMA_ACQUISITION_ORDER_PREFERENCE_WCDMA;
 103
 104         qmi_set(&sel_req, gsm_wcdma_acquisition_order_preference, pref);
 105         return do_sel_network();
 106 }
 107
 108 #define cmd_nas_set_roaming_cb no_cb
 109 static enum qmi_cmd_result
 110 cmd_nas_set_roaming_prepare(struct qmi_dev *qmi, struct qmi_request *req, struct qmi_msg *msg, char *arg)
 111 {
 112         QmiNasRoamingPreference pref;
 113
 114         if (!strcmp(arg, "any"))
 115                 pref = QMI_NAS_ROAMING_PREFERENCE_ANY;
 116         else if (!strcmp(arg, "only"))
 117                 pref = QMI_NAS_ROAMING_PREFERENCE_NOT_OFF;
 118         else if (!strcmp(arg, "off"))
 119                 pref = QMI_NAS_ROAMING_PREFERENCE_OFF;
 120         else
 121                 return uqmi_add_error("Invalid argument");
 122
 123         qmi_set(&sel_req, roaming_preference, pref);
 124         return do_sel_network();
 125 }
 126
 127 #define cmd_nas_set_mcc_cb no_cb
 128 static enum qmi_cmd_result
 129 cmd_nas_set_mcc_prepare(struct qmi_dev *qmi, struct qmi_request *req, struct qmi_msg *msg, char *arg)
 130 {
 131         char *err;
 132         int value = strtoul(arg, &err, 10);
 133         if (err && *err) {
 134                 uqmi_add_error("Invalid MCC value");
 135                 return QMI_CMD_EXIT;
 136         }
 137
 138         sel_req.data.network_selection_preference.mcc = value;
 139         plmn_code_flag.mcc_is_set = true;
 140         return QMI_CMD_DONE;
 141 }
 142
 143 #define cmd_nas_set_mnc_cb no_cb
 144 static enum qmi_cmd_result
 145 cmd_nas_set_mnc_prepare(struct qmi_dev *qmi, struct qmi_request *req, struct qmi_msg *msg, char *arg)
 146 {
 147         char *err;
 148         int value = strtoul(arg, &err, 10);
 149         if (err && *err) {
 150                 uqmi_add_error("Invalid MNC value");
 151                 return QMI_CMD_EXIT;
 152         }
 153
 154         sel_req.data.network_selection_preference.mnc = value;
 155         plmn_code_flag.mnc_is_set = true;
 156         return QMI_CMD_DONE;
 157 }
 158
 159 #define cmd_nas_set_plmn_cb no_cb
 160 static enum qmi_cmd_result
 161 cmd_nas_set_plmn_prepare(struct qmi_dev *qmi, struct qmi_request *req, struct qmi_msg *msg, char *arg)
 162 {
 163         sel_req.set.network_selection_preference = 1;
 164         sel_req.data.network_selection_preference.mode = QMI_NAS_NETWORK_SELECTION_PREFERENCE_AUTOMATIC;
 165
 166         if (!plmn_code_flag.mcc_is_set && plmn_code_flag.mnc_is_set) {
 167                 uqmi_add_error("No MCC value");
 168                 return QMI_CMD_EXIT;
 169         }
 170
 171         if (plmn_code_flag.mcc_is_set && sel_req.data.network_selection_preference.mcc) {
 172                 if (!plmn_code_flag.mnc_is_set) {
 173                         uqmi_add_error("No MNC value");
 174                         return QMI_CMD_EXIT;
 175                 } else {
 176                         sel_req.data.network_selection_preference.mode = QMI_NAS_NETWORK_SELECTION_PREFERENCE_MANUAL;
 177                 }
 178         }
 179
 180         return do_sel_network();
 181 }
 182
 183 #define cmd_nas_initiate_network_register_cb no_cb
 184 static enum qmi_cmd_result
 185 cmd_nas_initiate_network_register_prepare(struct qmi_dev *qmi, struct qmi_request *req, struct qmi_msg *msg, char *arg)
 186 {
 187         static struct qmi_nas_initiate_network_register_request register_req = {
 188                 QMI_INIT(action, QMI_NAS_NETWORK_REGISTER_TYPE_AUTOMATIC)
 189         };
 190
 191         qmi_set_nas_initiate_network_register_request(msg, &register_req);
 192         return QMI_CMD_REQUEST;
 193 }
 194
 195 static void
 196 cmd_nas_get_signal_info_cb(struct qmi_dev *qmi, struct qmi_request *req, struct qmi_msg *msg)
 197 {
 198         struct qmi_nas_get_signal_info_response res;
 199         void *c;
 200
 201         qmi_parse_nas_get_signal_info_response(msg, &res);
 202
 203         c = blobmsg_open_table(&status, NULL);
 204         if (res.set.cdma_signal_strength) {
 205                 blobmsg_add_string(&status, "type", "cdma");
 206                 blobmsg_add_u32(&status, "rssi", (int32_t) res.data.cdma_signal_strength.rssi);
 207                 blobmsg_add_u32(&status, "ecio", (int32_t) res.data.cdma_signal_strength.ecio);
 208         }
 209
 210         if (res.set.hdr_signal_strength) {
 211                 blobmsg_add_string(&status, "type", "hdr");
 212                 blobmsg_add_u32(&status, "rssi", (int32_t) res.data.hdr_signal_strength.rssi);
 213                 blobmsg_add_u32(&status, "ecio", (int32_t) res.data.hdr_signal_strength.ecio);
 214                 blobmsg_add_u32(&status, "io", res.data.hdr_signal_strength.io);
 215         }
 216
 217         if (res.set.gsm_signal_strength) {
 218                 blobmsg_add_string(&status, "type", "gsm");
 219                 blobmsg_add_u32(&status, "signal", (int32_t) res.data.gsm_signal_strength);
 220         }
 221
 222         if (res.set.wcdma_signal_strength) {
 223                 blobmsg_add_string(&status, "type", "wcdma");
 224                 blobmsg_add_u32(&status, "rssi", (int32_t) res.data.wcdma_signal_strength.rssi);
 225                 blobmsg_add_u32(&status, "ecio", (int32_t) res.data.wcdma_signal_strength.ecio);
 226         }
 227
 228         if (res.set.lte_signal_strength) {
 229                 blobmsg_add_string(&status, "type", "lte");
 230                 blobmsg_add_u32(&status, "rssi", (int32_t) res.data.lte_signal_strength.rssi);
 231                 blobmsg_add_u32(&status, "rsrq", (int32_t) res.data.lte_signal_strength.rsrq);
 232                 blobmsg_add_u32(&status, "rsrp", (int32_t) res.data.lte_signal_strength.rsrp);
 233                 blobmsg_add_u32(&status, "snr", (int32_t) res.data.lte_signal_strength.snr);
 234         }
 235
 236         if (res.set.tdma_signal_strength) {
 237                 blobmsg_add_string(&status, "type", "tdma");
 238                 blobmsg_add_u32(&status, "signal", (int32_t) res.data.tdma_signal_strength);
 239         }
 240
 241         blobmsg_close_table(&status, c);
 242 }
 243
 244 static enum qmi_cmd_result
 245 cmd_nas_get_signal_info_prepare(struct qmi_dev *qmi, struct qmi_request *req, struct qmi_msg *msg, char *arg)
 246 {
 247         qmi_set_nas_get_signal_info_request(msg);
 248         return QMI_CMD_REQUEST;
 249 }
 250
 251 static void
 252 cmd_nas_get_serving_system_cb(struct qmi_dev *qmi, struct qmi_request *req, struct qmi_msg *msg)
 253 {
 254         struct qmi_nas_get_serving_system_response res;
 255         static const char *reg_states[] = {
 256                 [QMI_NAS_REGISTRATION_STATE_NOT_REGISTERED] = "not_registered",
 257                 [QMI_NAS_REGISTRATION_STATE_REGISTERED] = "registered",
 258                 [QMI_NAS_REGISTRATION_STATE_NOT_REGISTERED_SEARCHING] = "searching",
 259                 [QMI_NAS_REGISTRATION_STATE_REGISTRATION_DENIED] = "registering_denied",
 260                 [QMI_NAS_REGISTRATION_STATE_UNKNOWN] = "unknown",
 261         };
 262         void *c;
 263
 264         qmi_parse_nas_get_serving_system_response(msg, &res);
 265
 266         c = blobmsg_open_table(&status, NULL);
 267         if (res.set.serving_system) {
 268                 int state = res.data.serving_system.registration_state;
 269
 270                 if (state > QMI_NAS_REGISTRATION_STATE_UNKNOWN)
 271                         state = QMI_NAS_REGISTRATION_STATE_UNKNOWN;
 272
 273                 blobmsg_add_string(&status, "registration", reg_states[state]);
 274         }
 275         if (res.set.current_plmn) {
 276                 blobmsg_add_u32(&status, "plmn_mcc", res.data.current_plmn.mcc);
 277                 blobmsg_add_u32(&status, "plmn_mnc", res.data.current_plmn.mnc);
 278                 if (res.data.current_plmn.description)
 279                         blobmsg_add_string(&status, "plmn_description", res.data.current_plmn.description);
 280         }
 281
 282         if (res.set.roaming_indicator)
 283                 blobmsg_add_u8(&status, "roaming", !res.data.roaming_indicator);
 284
 285         blobmsg_close_table(&status, c);
 286 }
 287
 288 static enum qmi_cmd_result
 289 cmd_nas_get_serving_system_prepare(struct qmi_dev *qmi, struct qmi_request *req, struct qmi_msg *msg, char *arg)
 290 {
 291         qmi_set_nas_get_serving_system_request(msg);
 292         return QMI_CMD_REQUEST;
 293 }
 294
 295 static void
 296 cmd_nas_network_scan_cb(struct qmi_dev *qmi, struct qmi_request *req, struct qmi_msg *msg)
 297 {
 298         static struct qmi_nas_network_scan_response res;
 299         const char *network_status[] = {
 300                 "current_serving",
 301                 "available",
 302                 "home",
 303                 "roaming",
 304                 "forbidden",
 305                 "not_forbidden",
 306                 "preferred",
 307                 "not_preferred",
 308         };
 309         const char *radio[] = {
 310                 [QMI_NAS_RADIO_INTERFACE_NONE] = "none",
 311                 [QMI_NAS_RADIO_INTERFACE_CDMA_1X] = "cdma-1x",
 312                 [QMI_NAS_RADIO_INTERFACE_CDMA_1XEVDO] = "cdma-1x_evdo",
 313                 [QMI_NAS_RADIO_INTERFACE_AMPS] = "amps",
 314                 [QMI_NAS_RADIO_INTERFACE_GSM] = "gsm",
 315                 [QMI_NAS_RADIO_INTERFACE_UMTS] = "umts",
 316                 [QMI_NAS_RADIO_INTERFACE_LTE] = "lte",
 317                 [QMI_NAS_RADIO_INTERFACE_TD_SCDMA] = "td-scdma",
 318         };
 319         void *t, *c, *info, *stat;
 320         int i, j;
 321
 322         qmi_parse_nas_network_scan_response(msg, &res);
 323
 324         t = blobmsg_open_table(&status, NULL);
 325
 326         c = blobmsg_open_array(&status, "network_info");
 327         for (i = 0; i < res.data.network_information_n; i++) {
 328                 info = blobmsg_open_table(&status, NULL);
 329                 blobmsg_add_u32(&status, "mcc", res.data.network_information[i].mcc);
 330                 blobmsg_add_u32(&status, "mnc", res.data.network_information[i].mnc);
 331                 if (res.data.network_information[i].description)
 332                         blobmsg_add_string(&status, "description", res.data.network_information[i].description);
 333                 stat = blobmsg_open_array(&status, "status");
 334                 for (j = 0; j < ARRAY_SIZE(network_status); j++) {
 335                         if (!(res.data.network_information[i].network_status & (1 << j)))
 336                                 continue;
 337
 338                         blobmsg_add_string(&status, NULL, network_status[j]);
 339                 }
 340                 blobmsg_close_array(&status, stat);
 341                 blobmsg_close_table(&status, info);
 342         }
 343         blobmsg_close_array(&status, c);
 344
 345         c = blobmsg_open_array(&status, "radio_access_technology");
 346         for (i = 0; i < res.data.radio_access_technology_n; i++) {
 347                 const char *r = "unknown";
 348                 int r_i = res.data.radio_access_technology[i].radio_interface;
 349
 350                 info = blobmsg_open_table(&status, NULL);
 351                 blobmsg_add_u32(&status, "mcc", res.data.radio_access_technology[i].mcc);
 352                 blobmsg_add_u32(&status, "mnc", res.data.radio_access_technology[i].mnc);
 353                 if (r_i >= 0 && r_i < ARRAY_SIZE(radio))
 354                         r = radio[r_i];
 355
 356                 blobmsg_add_string(&status, "radio", r);
 357                 blobmsg_close_table(&status, info);
 358         }
 359         blobmsg_close_array(&status, c);
 360
 361         blobmsg_close_table(&status, t);
 362 }
 363
 364 static enum qmi_cmd_result
 365 cmd_nas_network_scan_prepare(struct qmi_dev *qmi, struct qmi_request *req, struct qmi_msg *msg, char *arg)
 366 {
 367         struct qmi_nas_network_scan_request sreq = {
 368                 QMI_INIT(network_type,
 369                      QMI_NAS_NETWORK_SCAN_TYPE_GSM |
 370                      QMI_NAS_NETWORK_SCAN_TYPE_UMTS |
 371                      QMI_NAS_NETWORK_SCAN_TYPE_LTE |
 372                      QMI_NAS_NETWORK_SCAN_TYPE_TD_SCDMA),
 373         };
 374
 375         qmi_set_nas_network_scan_request(msg, &sreq);
 376         return QMI_CMD_REQUEST;
 377 }