diff --git a/Makefile.am b/Makefile.am index 6d134739..560fc1cb 100644 --- a/Makefile.am +++ b/Makefile.am @@ -321,7 +321,8 @@ builtin_modules += telitmodem builtin_sources += drivers/atmodem/atutil.h \ drivers/telitmodem/telitmodem.h \ drivers/telitmodem/telitmodem.c \ - drivers/telitmodem/location-reporting.c + drivers/telitmodem/location-reporting.c \ + drivers/telitmodem/gprs-context-ncm.c builtin_modules += hsomodem builtin_sources += drivers/atmodem/atutil.h \ diff --git a/drivers/telitmodem/gprs-context-ncm.c b/drivers/telitmodem/gprs-context-ncm.c new file mode 100644 index 00000000..53edcbe6 --- /dev/null +++ b/drivers/telitmodem/gprs-context-ncm.c @@ -0,0 +1,482 @@ +/* + * + * oFono - Open Source Telephony + * + * Copyright (C) 2017 Piotr Haber. All rights reserved. + * + * 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 +#endif + +#define _GNU_SOURCE +#include +#include +#include +#include +#include + +#include + +#include +#include +#include + +#include "gatchat.h" +#include "gatresult.h" + +#include "telitmodem.h" + +static const char *none_prefix[] = { NULL }; +static const char *cgpaddr_prefix[] = { "+CGPADDR:", NULL }; +static const char *cgcontrdp_prefix[] = { "+CGCONTRDP:", NULL }; + +enum state { + STATE_IDLE, + STATE_ENABLING, + STATE_DISABLING, + STATE_ACTIVE, +}; + +enum auth_method { + AUTH_METHOD_NONE, + AUTH_METHOD_PAP, + AUTH_METHOD_CHAP, +}; + +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 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; +}; + +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) { + 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 session_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); + struct ofono_modem *modem; + const char *interface; + const char *dns[3]; + + DBG("ok %d", ok); + + if (!ok) { + ofono_error("Failed to establish session"); + failed_setup(gc, result, TRUE); + return; + } + + gcd->state = STATE_ACTIVE; + + dns[0] = gcd->dns1; + dns[1] = gcd->dns2; + dns[2] = 0; + + modem = ofono_gprs_context_get_modem(gc); + interface = ofono_modem_get_string(modem, "NetworkInterface"); + + ofono_gprs_context_set_interface(gc, interface); + ofono_gprs_context_set_ipv4_address(gc, gcd->address, TRUE); + ofono_gprs_context_set_ipv4_netmask(gc, gcd->netmask); + ofono_gprs_context_set_ipv4_gateway(gc, gcd->gateway); + ofono_gprs_context_set_ipv4_dns_servers(gc, dns); + + CALLBACK_WITH_SUCCESS(gcd->cb, gcd->cb_data); +} + +static void contrdp_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[64]; + int cid, bearer_id; + const char *apn, *ip_mask, *gw; + const char *dns1, *dns2; + GAtResultIter iter; + gboolean found = FALSE; + + DBG("ok %d", ok); + + if (!ok) { + ofono_error("Unable to get context dynamic paramerers"); + failed_setup(gc, result, TRUE); + return; + } + + g_at_result_iter_init(&iter, result); + + while (g_at_result_iter_next(&iter, "+CGCONTRDP:")) { + if (!g_at_result_iter_next_number(&iter, &cid)) + goto error; + if (!g_at_result_iter_next_number(&iter, &bearer_id)) + goto error; + if (!g_at_result_iter_next_string(&iter, &apn)) + goto error; + if (!g_at_result_iter_next_string(&iter, &ip_mask)) + goto error; + if (!g_at_result_iter_next_string(&iter, &gw)) + goto error; + if (!g_at_result_iter_next_string(&iter, &dns1)) + goto error; + if (!g_at_result_iter_next_string(&iter, &dns2)) + goto error; + + if ((unsigned int) cid == gcd->active_context) { + found = TRUE; + + if (strcmp(gcd->address, "") != 0) + strncpy(gcd->netmask, + &ip_mask[strlen(gcd->address) + 1], + sizeof(gcd->netmask)); + + strncpy(gcd->gateway, gw, sizeof(gcd->gateway)); + strncpy(gcd->dns1, dns1, sizeof(gcd->dns1)); + strncpy(gcd->dns2, dns2, sizeof(gcd->dns2)); + } + } + + if (found == FALSE) + goto error; + + ofono_info("IP: %s", gcd->address); + ofono_info("MASK: %s", gcd->netmask); + ofono_info("GW: %s", gcd->gateway); + ofono_info("DNS: %s, %s", gcd->dns1, gcd->dns2); + + sprintf(buf, "AT+CGDATA=\"M-RAW_IP\",%d", gcd->active_context); + if (g_at_chat_send(gcd->chat, buf, none_prefix, + session_cb, gc, NULL) > 0) + return; + +error: + failed_setup(gc, NULL, TRUE); +} + +static void address_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); + int cid; + const char *address; + char buf[64]; + GAtResultIter iter; + + DBG("ok %d", ok); + + if (!ok) { + ofono_error("Unable to get context address"); + failed_setup(gc, result, TRUE); + return; + } + + g_at_result_iter_init(&iter, result); + + if (!g_at_result_iter_next(&iter, "+CGPADDR:")) + goto error; + + if (!g_at_result_iter_next_number(&iter, &cid)) + goto error; + + if ((unsigned int) cid != gcd->active_context) + goto error; + + if (!g_at_result_iter_next_string(&iter, &address)) + goto error; + + strncpy(gcd->address, address, sizeof(gcd->address)); + + sprintf(buf, "AT+CGCONTRDP=%d", gcd->active_context); + if (g_at_chat_send(gcd->chat, buf, cgcontrdp_prefix, + contrdp_cb, gc, NULL) > 0) + return; + +error: + failed_setup(gc, NULL, TRUE); +} + +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); + char buf[64]; + + DBG("ok %d", ok); + + if (!ok) { + ofono_error("Unable to activate context"); + failed_setup(gc, result, FALSE); + return; + } + + sprintf(buf, "AT+CGPADDR=%u", gcd->active_context); + if (g_at_chat_send(gcd->chat, buf, cgpaddr_prefix, + address_cb, gc, NULL) > 0) + return; + + failed_setup(gc, NULL, TRUE); +} + +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[128]; + + DBG("ok %d", ok); + + if (!ok) { + ofono_error("Failed to setup context"); + failed_setup(gc, result, FALSE); + return; + } + + if (gcd->username[0] && gcd->password[0]) + sprintf(buf, "AT#PDPAUTH=%u,%u,\"%s\",\"%s\"", + gcd->active_context, gcd->auth_method, + gcd->username, gcd->password); + else + sprintf(buf, "AT#PDPAUTH=%u,0", gcd->active_context); + + if (g_at_chat_send(gcd->chat, buf, none_prefix, NULL, NULL, NULL) == 0) + goto error; + + sprintf(buf, "AT#NCM=1,%u", gcd->active_context); + + if (g_at_chat_send(gcd->chat, buf, none_prefix, NULL, NULL, NULL) == 0) + goto error; + + sprintf(buf, "AT+CGACT=1,%u", gcd->active_context); + + if (g_at_chat_send(gcd->chat, buf, none_prefix, + activate_cb, gc, NULL) > 0) + return; + +error: + failed_setup(gc, NULL, FALSE); +} + +static void telitncm_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]; + int len = 0; + + DBG("cid %u", ctx->cid); + + 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; + + /* We only support CHAP and PAP */ + switch (ctx->auth_method) { + case OFONO_GPRS_AUTH_METHOD_CHAP: + gcd->auth_method = AUTH_METHOD_CHAP; + break; + case OFONO_GPRS_AUTH_METHOD_PAP: + gcd->auth_method = AUTH_METHOD_PAP; + break; + default: + goto error; + } + + switch (ctx->proto) { + case OFONO_GPRS_PROTO_IP: + len = snprintf(buf, sizeof(buf), "AT+CGDCONT=%u,\"IP\"", + ctx->cid); + break; + case OFONO_GPRS_PROTO_IPV6: + len = snprintf(buf, sizeof(buf), "AT+CGDCONT=%u,\"IPV6\"", + ctx->cid); + break; + case OFONO_GPRS_PROTO_IPV4V6: + len = snprintf(buf, sizeof(buf), "AT+CGDCONT=%u,\"IPV4V6\"", + ctx->cid); + break; + } + + if (ctx->apn) + snprintf(buf + len, sizeof(buf) - len - 3, + ",\"%s\"", ctx->apn); + + if (g_at_chat_send(gcd->chat, buf, none_prefix, + setup_cb, gc, NULL) > 0) + return; + +error: + 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 telitncm_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; + + sprintf(buf, "AT+CGACT=0,%u", 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; + 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, "NW DEACT") == FALSE) + return; + + if (!g_at_result_iter_skip_next(&iter)) + return; + + if (!g_at_result_iter_next_number(&iter, &cid)) + return; + + 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 telitncm_gprs_context_probe(struct ofono_gprs_context *gc, + unsigned int vendor, void *data) +{ + GAtChat *chat = data; + struct gprs_context_data *gcd; + + DBG(""); + + gcd = g_try_new0(struct gprs_context_data, 1); + if (gcd == NULL) + return -ENOMEM; + + 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 telitncm_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 struct ofono_gprs_context_driver driver = { + .name = "telitncmmodem", + .probe = telitncm_gprs_context_probe, + .remove = telitncm_gprs_context_remove, + .activate_primary = telitncm_gprs_activate_primary, + .deactivate_primary = telitncm_gprs_deactivate_primary, +}; + +void telitncm_gprs_context_init(void) +{ + ofono_gprs_context_driver_register(&driver); +} + +void telitncm_gprs_context_exit(void) +{ + ofono_gprs_context_driver_unregister(&driver); +} diff --git a/drivers/telitmodem/telitmodem.c b/drivers/telitmodem/telitmodem.c index ecb84efb..4aa2c444 100644 --- a/drivers/telitmodem/telitmodem.c +++ b/drivers/telitmodem/telitmodem.c @@ -35,6 +35,7 @@ static int telitmodem_init(void) { telit_location_reporting_init(); + telitncm_gprs_context_init(); return 0; } @@ -42,6 +43,7 @@ static int telitmodem_init(void) static void telitmodem_exit(void) { telit_location_reporting_exit(); + telitncm_gprs_context_exit(); } OFONO_PLUGIN_DEFINE(telitmodem, "Telit modem driver", VERSION, diff --git a/drivers/telitmodem/telitmodem.h b/drivers/telitmodem/telitmodem.h index 2db41787..8a14595a 100644 --- a/drivers/telitmodem/telitmodem.h +++ b/drivers/telitmodem/telitmodem.h @@ -23,3 +23,5 @@ extern void telit_location_reporting_init(); extern void telit_location_reporting_exit(); +extern void telitncm_gprs_context_init(); +extern void telitncm_gprs_context_exit();