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wwan: read supported IP types from ModemManager

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Not all modems support IPv6, and to prevent some common failure
cases, make sure we don't try to use IPv6 when the modem doesn't
support it.
This commit is contained in:
Dan Williams 2013-10-15 20:50:48 -05:00
parent 75fa46bd19
commit f3557d326c
3 changed files with 61 additions and 0 deletions
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16
src/devices/wwan/nm-modem-broadband.c
View file

@ -807,6 +807,21 @@ modem_state_changed (MMModem *modem,
/*****************************************************************************/
static NMModemIPType
mm_ip_family_to_nm (MMBearerIpFamily family)
{
NMModemIPType nm_type = NM_MODEM_IP_TYPE_UNKNOWN;
if (family & MM_BEARER_IP_FAMILY_IPV4)
nm_type |= NM_MODEM_IP_TYPE_IPV4;
if (family & MM_BEARER_IP_FAMILY_IPV6)
nm_type |= NM_MODEM_IP_TYPE_IPV6;
if (family & MM_BEARER_IP_FAMILY_IPV4V6)
nm_type |= MM_BEARER_IP_FAMILY_IPV4V6;
return nm_type;
}
NMModem *
nm_modem_broadband_new (GObject *object, GError **error)
{
@ -831,6 +846,7 @@ nm_modem_broadband_new (GObject *object, GError **error)
NM_MODEM_UID, mm_modem_get_primary_port (modem_iface),
NM_MODEM_CONTROL_PORT, mm_modem_get_primary_port (modem_iface),
NM_MODEM_DATA_PORT, NULL, /* We don't know it until bearer created */
NM_MODEM_IP_TYPES, mm_ip_family_to_nm (mm_modem_get_supported_ip_families (modem_iface)),
NM_MODEM_STATE, mm_state_to_nm (mm_modem_get_state (modem_iface)),
NM_MODEM_DEVICE_ID, mm_modem_get_device_identifier (modem_iface),
NM_MODEM_BROADBAND_MODEM, modem_object,

22
src/devices/wwan/nm-modem.c
View file

@ -47,6 +47,7 @@ enum {
PROP_STATE,
PROP_DEVICE_ID,
PROP_SIM_ID,
PROP_IP_TYPES,
LAST_PROP
};
@ -63,6 +64,7 @@ typedef struct {
NMModemState prev_state; /* revert to this state if enable/disable fails */
char *device_id;
char *sim_id;
NMModemIPType ip_types;
NMPPPManager *ppp_manager;
@ -218,6 +220,12 @@ nm_modem_emit_removed (NMModem *self)
g_signal_emit (self, signals[REMOVED], 0);
}
NMModemIPType
nm_modem_get_supported_ip_types (NMModem *self)
{
return NM_MODEM_GET_PRIVATE (self)->ip_types;
}
/*****************************************************************************/
/* IP method PPP */
@ -861,6 +869,9 @@ get_property (GObject *object, guint prop_id,
case PROP_SIM_ID:
g_value_set_string (value, priv->sim_id);
break;
case PROP_IP_TYPES:
g_value_set_uint (value, priv->ip_types);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@ -909,6 +920,9 @@ set_property (GObject *object, guint prop_id,
g_free (priv->sim_id);
priv->sim_id = g_value_dup_string (value);
break;
case PROP_IP_TYPES:
priv->ip_types = g_value_get_uint (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@ -1036,6 +1050,14 @@ nm_modem_class_init (NMModemClass *klass)
G_PARAM_READWRITE | G_PARAM_CONSTRUCT |
G_PARAM_STATIC_STRINGS));
g_object_class_install_property
(object_class, PROP_IP_TYPES,
g_param_spec_uint (NM_MODEM_IP_TYPES,
"IP Types",
"Supported IP types",
0, G_MAXUINT32, NM_MODEM_IP_TYPE_IPV4,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
/* Signals */
signals[PPP_STATS] =

23
src/devices/wwan/nm-modem.h
View file

@ -47,6 +47,7 @@ G_BEGIN_DECLS
#define NM_MODEM_STATE "state"
#define NM_MODEM_DEVICE_ID "device-id"
#define NM_MODEM_SIM_ID "sim-id"
#define NM_MODEM_IP_TYPES "ip-types" /* Supported IP types */
/* Signals */
#define NM_MODEM_PPP_STATS "ppp-stats"
@ -62,12 +63,32 @@ G_BEGIN_DECLS
#define MM_MODEM_IP_METHOD_STATIC 1
#define MM_MODEM_IP_METHOD_DHCP 2
/**
* NMModemIPType:
* @NM_MODEM_IP_TYPE_UNKNOWN: unknown or no IP support
* @NM_MODEM_IP_TYPE_IPV4: IPv4-only bearers are supported
* @NM_MODEM_IP_TYPE_IPV6: IPv6-only bearers are supported
* @NM_MODEM_IP_TYPE_IPV4V6: dual-stack IPv4 + IPv6 bearers are supported
*
* Indicates what IP protocols the modem supports for an IP bearer. Any
* combination of flags is possible. For example, (%NM_MODEM_IP_TYPE_IPV4 |
* %NM_MODEM_IP_TYPE_IPV6) indicates that the modem supports IPv4 and IPv6
* but not simultaneously on the same bearer.
*/
typedef enum {
NM_MODEM_IP_TYPE_UNKNOWN = 0x0,
NM_MODEM_IP_TYPE_IPV4 = 0x1,
NM_MODEM_IP_TYPE_IPV6 = 0x2,
NM_MODEM_IP_TYPE_IPV4V6 = 0x4
} NMModemIPType;
typedef enum {
NM_MODEM_ERROR_CONNECTION_NOT_GSM, /*< nick=ConnectionNotGsm >*/
NM_MODEM_ERROR_CONNECTION_NOT_CDMA, /*< nick=ConnectionNotCdma >*/
NM_MODEM_ERROR_CONNECTION_INVALID, /*< nick=ConnectionInvalid >*/
NM_MODEM_ERROR_CONNECTION_INCOMPATIBLE, /*< nick=ConnectionIncompatible >*/
NM_MODEM_ERROR_INITIALIZATION_FAILED, /*< nick=InitializationFailed >*/
NM_MODEM_ERROR_IP_CONFIG_INVALID, /*< nick=IpConfigInvalid >*/
} NMModemError;
typedef enum { /*< underscore_name=nm_modem_state >*/
@ -209,6 +230,8 @@ void nm_modem_set_state (NMModem *self,
void nm_modem_set_prev_state (NMModem *self, const char *reason);
const char * nm_modem_state_to_string (NMModemState state);
NMModemIPType nm_modem_get_supported_ip_types (NMModem *self);
/* For the modem-manager only */
void nm_modem_emit_removed (NMModem *self);