sierra: support pseduo-ethernet interface on GSM devices

Requires the sierra_net driver, which is included in the
2.6.34 and later kernels.
This commit is contained in:
Dan Williams
2010-11-29 00:45:58 -06:00
parent 5419f1f195
commit 1df1ff38b0
3 changed files with 196 additions and 23 deletions

1
NEWS
View File

@@ -17,6 +17,7 @@ Overview of changes in ModemManager 0.5
- Handle signal quality reporting for GSM modems that don't support AT+CSQ
- Add preliminary USSD support
- Fix reconnection attempts with some Sierra devices
- Add support for pseduo-ethernet interface on newer Sierra devices
Fixed bugs:
rh#597296 rh#583691 rh#597088 bgo#626421 rh#585394 bgo#628105 bgo#627935

View File

@@ -22,18 +22,24 @@
#include <unistd.h>
#include "mm-modem-sierra-gsm.h"
#include "mm-errors.h"
#include "mm-modem-simple.h"
#include "mm-callback-info.h"
#include "mm-modem-helpers.h"
static void modem_init (MMModem *modem_class);
static void modem_simple_init (MMModemSimple *class);
G_DEFINE_TYPE_EXTENDED (MMModemSierraGsm, mm_modem_sierra_gsm, MM_TYPE_GENERIC_GSM, 0,
G_IMPLEMENT_INTERFACE (MM_TYPE_MODEM, modem_init))
G_IMPLEMENT_INTERFACE (MM_TYPE_MODEM, modem_init)
G_IMPLEMENT_INTERFACE (MM_TYPE_MODEM_SIMPLE, modem_simple_init))
#define MM_MODEM_SIERRA_GSM_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), MM_TYPE_MODEM_SIERRA_GSM, MMModemSierraGsmPrivate))
typedef struct {
guint enable_wait_id;
gboolean has_net;
char *username;
char *password;
} MMModemSierraGsmPrivate;
MMModem *
@@ -386,21 +392,26 @@ grab_port (MMModem *modem,
port = mm_generic_gsm_grab_port (gsm, subsys, name, ptype, error);
if (port && MM_IS_AT_SERIAL_PORT (port)) {
GRegex *regex;
if (port) {
if (MM_IS_AT_SERIAL_PORT (port)) {
GRegex *regex;
g_object_set (G_OBJECT (port), MM_PORT_CARRIER_DETECT, FALSE, NULL);
g_object_set (G_OBJECT (port), MM_PORT_CARRIER_DETECT, FALSE, NULL);
regex = g_regex_new ("\\r\\n\\+PACSP0\\r\\n", G_REGEX_RAW | G_REGEX_OPTIMIZE, 0, NULL);
mm_at_serial_port_add_unsolicited_msg_handler (MM_AT_SERIAL_PORT (port), regex, NULL, NULL, NULL);
g_regex_unref (regex);
regex = g_regex_new ("\\r\\n\\+PACSP0\\r\\n", G_REGEX_RAW | G_REGEX_OPTIMIZE, 0, NULL);
mm_at_serial_port_add_unsolicited_msg_handler (MM_AT_SERIAL_PORT (port), regex, NULL, NULL, NULL);
g_regex_unref (regex);
} else if (mm_port_get_subsys (port) == MM_PORT_SUBSYS_NET) {
MM_MODEM_SIERRA_GSM_GET_PRIVATE (gsm)->has_net = TRUE;
g_object_set (G_OBJECT (gsm), MM_MODEM_IP_METHOD, MM_MODEM_IP_METHOD_DHCP, NULL);
}
}
return !!port;
}
static void
connect_done (MMModem *modem, GError *error, gpointer user_data)
ppp_connect_done (MMModem *modem, GError *error, gpointer user_data)
{
MMCallbackInfo *info = user_data;
@@ -408,6 +419,43 @@ connect_done (MMModem *modem, GError *error, gpointer user_data)
mm_callback_info_schedule (info);
}
static void
net_activate_done (MMAtSerialPort *port,
GString *response,
GError *error,
gpointer user_data)
{
MMCallbackInfo *info = (MMCallbackInfo *) user_data;
mm_generic_gsm_connect_complete (MM_GENERIC_GSM (info->modem), error, info);
}
static void
auth_done (MMAtSerialPort *port,
GString *response,
GError *error,
gpointer user_data)
{
MMCallbackInfo *info = (MMCallbackInfo *) user_data;
gint cid;
char *command;
if (error) {
info->error = g_error_copy (error);
mm_callback_info_schedule (info);
return;
}
cid = mm_generic_gsm_get_cid (MM_GENERIC_GSM (info->modem));
g_warn_if_fail (cid >= 0);
/* Activate data on the net port */
command = g_strdup_printf ("!SCACT=1,%d", cid);
mm_at_serial_port_queue_command (port, command, 3, net_activate_done, info);
g_free (command);
}
static void
ps_attach_done (MMAtSerialPort *port,
GString *response,
@@ -415,6 +463,7 @@ ps_attach_done (MMAtSerialPort *port,
gpointer user_data)
{
MMCallbackInfo *info = user_data;
MMModemSierraGsmPrivate *priv;
MMModem *parent_modem_iface;
const char *number;
@@ -424,10 +473,34 @@ ps_attach_done (MMAtSerialPort *port,
return;
}
/* We've got a PS attach, chain up to parent for the connect */
number = mm_callback_info_get_data (info, "number");
parent_modem_iface = g_type_interface_peek_parent (MM_MODEM_GET_INTERFACE (info->modem));
parent_modem_iface->connect (info->modem, number, connect_done, info);
priv = MM_MODEM_SIERRA_GSM_GET_PRIVATE (info->modem);
if (priv->has_net) {
gint cid;
char *command;
/* If we have a net interface, we don't do PPP */
cid = mm_generic_gsm_get_cid (MM_GENERIC_GSM (info->modem));
g_warn_if_fail (cid >= 0);
if (!priv->username || !priv->password)
command = g_strdup_printf ("$QCPDPP=%d,0", cid);
else {
command = g_strdup_printf ("$QCPDPP=%d,1,\"%s\",\"%s\"",
cid,
priv->password ? priv->password : "",
priv->username ? priv->username : "");
}
mm_at_serial_port_queue_command (port, command, 3, auth_done, info);
g_free (command);
} else {
/* We've got a PS attach, chain up to parent for the connect */
number = mm_callback_info_get_data (info, "number");
parent_modem_iface = g_type_interface_peek_parent (MM_MODEM_GET_INTERFACE (info->modem));
parent_modem_iface->connect (info->modem, number, ppp_connect_done, info);
}
}
static void
@@ -457,6 +530,82 @@ do_connect (MMModem *modem,
mm_at_serial_port_queue_command (port, "+CGATT=1", 10, ps_attach_done, info);
}
static void
clear_user_pass (MMModemSierraGsm *self)
{
MMModemSierraGsmPrivate *priv = MM_MODEM_SIERRA_GSM_GET_PRIVATE (self);
g_free (priv->username);
priv->username = NULL;
g_free (priv->password);
priv->username = NULL;
}
static void
do_disconnect (MMGenericGsm *gsm,
gint cid,
MMModemFn callback,
gpointer user_data)
{
clear_user_pass (MM_MODEM_SIERRA_GSM (gsm));
if (MM_MODEM_SIERRA_GSM_GET_PRIVATE (gsm)->has_net) {
MMAtSerialPort *primary;
char *command;
primary = mm_generic_gsm_get_at_port (gsm, MM_PORT_TYPE_PRIMARY);
g_assert (primary);
/* If we have a net interface, deactivate it */
command = g_strdup_printf ("!SCACT=0,%d", cid);
mm_at_serial_port_queue_command (primary, command, 3, NULL, NULL);
g_free (command);
}
MM_GENERIC_GSM_CLASS (mm_modem_sierra_gsm_parent_class)->do_disconnect (gsm, cid, callback, user_data);
}
/*****************************************************************************/
/* Simple Modem class override functions */
/*****************************************************************************/
static char *
simple_dup_string_property (GHashTable *properties, const char *name, GError **error)
{
GValue *value;
value = (GValue *) g_hash_table_lookup (properties, name);
if (!value)
return NULL;
if (G_VALUE_HOLDS_STRING (value))
return g_value_dup_string (value);
g_set_error (error, MM_MODEM_ERROR, MM_MODEM_ERROR_GENERAL,
"Invalid property type for '%s': %s (string expected)",
name, G_VALUE_TYPE_NAME (value));
return NULL;
}
static void
simple_connect (MMModemSimple *simple,
GHashTable *properties,
MMModemFn callback,
gpointer user_data)
{
MMModemSierraGsmPrivate *priv = MM_MODEM_SIERRA_GSM_GET_PRIVATE (simple);
MMCallbackInfo *info = (MMCallbackInfo *) user_data;
MMModemSimple *parent_iface;
clear_user_pass (MM_MODEM_SIERRA_GSM (simple));
priv->username = simple_dup_string_property (properties, "username", &info->error);
priv->password = simple_dup_string_property (properties, "password", &info->error);
parent_iface = g_type_interface_peek_parent (MM_MODEM_SIMPLE_GET_INTERFACE (simple));
parent_iface->connect (MM_MODEM_SIMPLE (simple), properties, callback, info);
}
/*****************************************************************************/
static void
@@ -466,6 +615,12 @@ modem_init (MMModem *modem_class)
modem_class->connect = do_connect;
}
static void
modem_simple_init (MMModemSimple *class)
{
class->connect = simple_connect;
}
static void
mm_modem_sierra_gsm_init (MMModemSierraGsm *self)
{
@@ -478,6 +633,8 @@ dispose (GObject *object)
if (priv->enable_wait_id)
g_source_remove (priv->enable_wait_id);
clear_user_pass (MM_MODEM_SIERRA_GSM (object));
}
static void
@@ -495,5 +652,6 @@ mm_modem_sierra_gsm_class_init (MMModemSierraGsmClass *klass)
gsm_class->get_allowed_mode = get_allowed_mode;
gsm_class->get_access_technology = get_access_technology;
gsm_class->get_sim_iccid = get_sim_iccid;
gsm_class->do_disconnect = do_disconnect;
}

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@@ -90,17 +90,28 @@ supports_port (MMPluginBase *base,
{
GUdevDevice *port;
guint32 cached = 0, level;
const char *driver;
const char *driver, *subsys;
/* Can't do anything with non-serial ports */
port = mm_plugin_base_supports_task_get_port (task);
if (strcmp (g_udev_device_get_subsystem (port), "tty"))
if (!port)
return MM_PLUGIN_SUPPORTS_PORT_UNSUPPORTED;
driver = mm_plugin_base_supports_task_get_driver (task);
if (!driver || strcmp (driver, "sierra"))
if (!driver || (strcmp (driver, "sierra") && strcmp (driver, "sierra_net")))
return MM_PLUGIN_SUPPORTS_PORT_UNSUPPORTED;
subsys = g_udev_device_get_subsystem (port);
g_assert (subsys);
if (!strcmp (subsys, "net")) {
/* Can't grab the net port until we know whether this is a CDMA or GSM device */
if (!existing)
return MM_PLUGIN_SUPPORTS_PORT_DEFER;
mm_plugin_base_supports_task_complete (task, 10);
return MM_PLUGIN_SUPPORTS_PORT_IN_PROGRESS;
}
if (mm_plugin_base_get_cached_port_capabilities (base, port, &cached)) {
level = get_level_for_capabilities (cached);
if (level) {
@@ -125,7 +136,7 @@ grab_port (MMPluginBase *base,
{
GUdevDevice *port = NULL;
MMModem *modem = NULL;
const char *name, *subsys, *devfile, *sysfs_path;
const char *name, *subsys, *sysfs_path;
guint32 caps;
MMPortType ptype = MM_PORT_TYPE_UNKNOWN;
guint16 vendor = 0, product = 0;
@@ -133,12 +144,6 @@ grab_port (MMPluginBase *base,
port = mm_plugin_base_supports_task_get_port (task);
g_assert (port);
devfile = g_udev_device_get_device_file (port);
if (!devfile) {
g_set_error (error, 0, 0, "Could not get port's sysfs file.");
return NULL;
}
subsys = g_udev_device_get_subsystem (port);
name = g_udev_device_get_name (port);
@@ -176,7 +181,16 @@ grab_port (MMPluginBase *base,
return NULL;
}
}
} else if (get_level_for_capabilities (caps) || (ptype != MM_PORT_TYPE_UNKNOWN)) {
} else if ( get_level_for_capabilities (caps)
|| (ptype != MM_PORT_TYPE_UNKNOWN)
|| (strcmp (subsys, "net") == 0)) {
/* FIXME: we don't yet know how to activate IP on CDMA devices using
* pseudo-ethernet ports.
*/
if (strcmp (subsys, "net") == 0 && MM_IS_MODEM_SIERRA_CDMA (modem))
return modem;
modem = existing;
if (!mm_modem_grab_port (modem, subsys, name, ptype, NULL, error))
return NULL;