mirror of git://git.sysmocom.de/ofono
ifxmodem: Add support for Infineon GPRS context setup with M-RAW_IP
This patch adds support for setting up a GPRS context and then switching it into M-RAW_IP mode. The handling of the M-RAW_IP data stream is not yet implemented.
This commit is contained in:
parent
fcc064e55c
commit
655f1b74d3
|
@ -23,6 +23,13 @@
|
|||
#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>
|
||||
|
@ -35,10 +42,421 @@
|
|||
|
||||
#include "ifxmodem.h"
|
||||
|
||||
#define TUN_SYSFS_DIR "/sys/devices/virtual/misc/tun"
|
||||
|
||||
#define STATIC_IP_NETMASK "255.255.255.255"
|
||||
|
||||
static const char *none_prefix[] = { NULL };
|
||||
static const char *xdns_prefix[] = { "+XDNS:", NULL };
|
||||
static const char *cgpaddr_prefix[] = { "+CGPADDR:", 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];
|
||||
GAtRawIP *rawip;
|
||||
enum state state;
|
||||
char address[32];
|
||||
char dns1[32];
|
||||
char dns2[32];
|
||||
union {
|
||||
ofono_gprs_context_cb_t down_cb; /* Down callback */
|
||||
ofono_gprs_context_up_cb_t up_cb; /* Up callback */
|
||||
};
|
||||
void *cb_data; /* Callback data */
|
||||
};
|
||||
|
||||
static void rawip_debug(const char *str, void *data)
|
||||
{
|
||||
ofono_info("%s: %s", (const char *) data, str);
|
||||
}
|
||||
|
||||
static const char *setup_rawip(struct ofono_gprs_context *gc)
|
||||
{
|
||||
struct gprs_context_data *gcd = ofono_gprs_context_get_data(gc);
|
||||
GAtIO *io;
|
||||
|
||||
io = g_at_chat_get_io(gcd->chat);
|
||||
|
||||
g_at_chat_suspend(gcd->chat);
|
||||
|
||||
gcd->rawip = g_at_rawip_new_from_io(io);
|
||||
|
||||
if (gcd->rawip == NULL) {
|
||||
g_at_chat_resume(gcd->chat);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
if (getenv("OFONO_IP_DEBUG"))
|
||||
g_at_rawip_set_debug(gcd->rawip, rawip_debug, "IP");
|
||||
|
||||
g_at_rawip_open(gcd->rawip);
|
||||
|
||||
return g_at_rawip_get_interface(gcd->rawip);
|
||||
}
|
||||
|
||||
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];
|
||||
|
||||
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) {
|
||||
CALLBACK_WITH_FAILURE(gcd->up_cb, NULL, 0, NULL, NULL,
|
||||
NULL, NULL, gcd->cb_data);
|
||||
return;
|
||||
}
|
||||
|
||||
decode_at_error(&error, g_at_result_final_response(result));
|
||||
gcd->up_cb(&error, NULL, 0, NULL, NULL, NULL, NULL, 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);
|
||||
const char *interface;
|
||||
const char *dns[3];
|
||||
|
||||
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;
|
||||
|
||||
interface = setup_rawip(gc);
|
||||
if (!interface)
|
||||
interface = "invalid";
|
||||
|
||||
CALLBACK_WITH_SUCCESS(gcd->up_cb, interface, TRUE, gcd->address,
|
||||
STATIC_IP_NETMASK, NULL, dns, gcd->cb_data);
|
||||
|
||||
gcd->up_cb = NULL;
|
||||
gcd->cb_data = NULL;
|
||||
}
|
||||
|
||||
static void dns_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];
|
||||
unsigned int cid;
|
||||
const char *address;
|
||||
GAtResultIter iter;
|
||||
|
||||
if (!ok) {
|
||||
ofono_error("Unable to get DNS details");
|
||||
failed_setup(gc, result, TRUE);
|
||||
return;
|
||||
}
|
||||
|
||||
g_at_result_iter_init(&iter, result);
|
||||
|
||||
if (!g_at_result_iter_next(&iter, "+XDNS:"))
|
||||
goto error;
|
||||
|
||||
if (!g_at_result_iter_next_number(&iter, &cid))
|
||||
goto error;
|
||||
|
||||
if (cid != gcd->active_context)
|
||||
goto error;
|
||||
|
||||
if (!g_at_result_iter_next_string(&iter, &address))
|
||||
goto error;
|
||||
|
||||
strncpy(gcd->dns1, address, sizeof(gcd->dns1));
|
||||
|
||||
if (!g_at_result_iter_next_string(&iter, &address))
|
||||
goto error;
|
||||
|
||||
strncpy(gcd->dns2, address, sizeof(gcd->dns2));
|
||||
|
||||
ofono_info("IP: %s", gcd->address);
|
||||
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);
|
||||
char buf[64];
|
||||
unsigned int cid;
|
||||
const char *address;
|
||||
GAtResultIter iter;
|
||||
|
||||
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 (cid != gcd->active_context)
|
||||
goto error;
|
||||
|
||||
if (!g_at_result_iter_next_string(&iter, &address))
|
||||
goto error;
|
||||
|
||||
strncpy(gcd->address, address, sizeof(gcd->address));
|
||||
|
||||
if (g_at_chat_send(gcd->chat, "AT+XDNS?", xdns_prefix,
|
||||
dns_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];
|
||||
|
||||
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[64];
|
||||
|
||||
if (!ok) {
|
||||
ofono_error("Failed to setup context");
|
||||
failed_setup(gc, result, FALSE);
|
||||
return;
|
||||
}
|
||||
|
||||
sprintf(buf, "AT+XDNS=%u,1", gcd->active_context);
|
||||
g_at_chat_send(gcd->chat, buf, none_prefix, NULL, NULL, NULL);
|
||||
|
||||
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;
|
||||
|
||||
failed_setup(gc, NULL, FALSE);
|
||||
}
|
||||
|
||||
static void ifx_gprs_activate_primary(struct ofono_gprs_context *gc,
|
||||
const struct ofono_gprs_primary_context *ctx,
|
||||
ofono_gprs_context_up_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;
|
||||
|
||||
gcd->active_context = ctx->cid;
|
||||
gcd->up_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;
|
||||
|
||||
len = snprintf(buf, sizeof(buf), "AT+CGDCONT=%u,\"IP\"", ctx->cid);
|
||||
|
||||
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;
|
||||
|
||||
CALLBACK_WITH_FAILURE(cb, NULL, 0, NULL, NULL, NULL, NULL, 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);
|
||||
|
||||
g_at_rawip_unref(gcd->rawip);
|
||||
gcd->rawip = NULL;
|
||||
|
||||
gcd->active_context = 0;
|
||||
gcd->state = STATE_IDLE;
|
||||
|
||||
g_at_chat_resume(gcd->chat);
|
||||
|
||||
CALLBACK_WITH_SUCCESS(gcd->down_cb, gcd->cb_data);
|
||||
}
|
||||
|
||||
static void ifx_gprs_deactivate_primary(struct ofono_gprs_context *gc,
|
||||
unsigned int id,
|
||||
ofono_gprs_context_cb_t cb, void *data)
|
||||
{
|
||||
struct gprs_context_data *gcd = ofono_gprs_context_get_data(gc);
|
||||
GAtChat *chat = g_at_chat_get_slave(gcd->chat);
|
||||
char buf[64];
|
||||
|
||||
DBG("");
|
||||
|
||||
gcd->state = STATE_DISABLING;
|
||||
gcd->down_cb = cb;
|
||||
gcd->cb_data = data;
|
||||
|
||||
g_at_rawip_shutdown(gcd->rawip);
|
||||
|
||||
sprintf(buf, "AT+CGACT=0,%u", gcd->active_context);
|
||||
if (g_at_chat_send(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;
|
||||
unsigned 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;
|
||||
|
||||
if (cid != gcd->active_context)
|
||||
return;
|
||||
|
||||
if (gcd->state != STATE_IDLE && gcd->rawip) {
|
||||
g_at_rawip_unref(gcd->rawip);
|
||||
gcd->rawip = NULL;
|
||||
|
||||
gcd->active_context = 0;
|
||||
gcd->state = STATE_IDLE;
|
||||
|
||||
g_at_chat_resume(gcd->chat);
|
||||
}
|
||||
}
|
||||
|
||||
static int ifx_gprs_context_probe(struct ofono_gprs_context *gc,
|
||||
unsigned int vendor, void *data)
|
||||
{
|
||||
GAtChat *chat = data;
|
||||
struct gprs_context_data *gcd;
|
||||
struct stat st;
|
||||
|
||||
if (stat(TUN_SYSFS_DIR, &st) < 0) {
|
||||
ofono_error("Missing support for TUN/TAP devices");
|
||||
return -ENODEV;
|
||||
}
|
||||
|
||||
if (!g_at_chat_get_slave(chat))
|
||||
return -EINVAL;
|
||||
|
||||
gcd = g_new0(struct gprs_context_data, 1);
|
||||
if (!gcd)
|
||||
return -ENOMEM;
|
||||
|
||||
gcd->chat = g_at_chat_clone(chat);
|
||||
|
||||
ofono_gprs_context_set_data(gc, gcd);
|
||||
|
||||
chat = g_at_chat_get_slave(gcd->chat);
|
||||
|
||||
g_at_chat_register(chat, "+CGEV:", cgev_notify, FALSE, gc, NULL);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void ifx_gprs_context_remove(struct ofono_gprs_context *gc)
|
||||
{
|
||||
struct gprs_context_data *gcd = ofono_gprs_context_get_data(gc);
|
||||
|
||||
DBG("");
|
||||
|
||||
if (gcd->state != STATE_IDLE && gcd->rawip) {
|
||||
g_at_rawip_unref(gcd->rawip);
|
||||
g_at_chat_resume(gcd->chat);
|
||||
}
|
||||
|
||||
ofono_gprs_context_set_data(gc, NULL);
|
||||
|
||||
g_at_chat_unref(gcd->chat);
|
||||
g_free(gcd);
|
||||
}
|
||||
|
||||
static struct ofono_gprs_context_driver driver = {
|
||||
.name = "ifxmodem",
|
||||
.probe = ifx_gprs_context_probe,
|
||||
.remove = ifx_gprs_context_remove,
|
||||
.activate_primary = ifx_gprs_activate_primary,
|
||||
.deactivate_primary = ifx_gprs_deactivate_primary,
|
||||
};
|
||||
|
||||
void ifx_gprs_context_init()
|
||||
{
|
||||
ofono_gprs_context_driver_register(&driver);
|
||||
}
|
||||
|
||||
void ifx_gprs_context_exit()
|
||||
{
|
||||
ofono_gprs_context_driver_unregister(&driver);
|
||||
}
|
||||
|
|
Loading…
Reference in New Issue