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ofono
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qmi: activate default bearer context for LTE networks 

When the modem attaches to an LTE network, a default bearer is
automatically negotiated using the "defalt profile" settings.  The
QMI modem, however, does not given any explicit indication that
the bearer exists; instead, we must assume its existence based on
the network registration state.

This patch extends the GPRS atom to signal the presence of a
default bearer when it detects network connectivity on an LTE
network.
This commit is contained in:
Jonas Bonn 2017-04-29 14:46:43 +02:00 committed by Denis Kenzior
parent 10854cb459
commit 4651a70285
1 changed files with 50 additions and 12 deletions
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62
drivers/qmimodem/gprs.c
View File

@ -37,10 +37,11 @@ struct gprs_data {
struct qmi_service *nas;
};
static bool extract_ss_info(struct qmi_result *result, int *status)
static bool extract_ss_info(struct qmi_result *result, int *status, int *tech)
{
const struct qmi_nas_serving_system *ss;
uint16_t len;
int i;
DBG("");
@ -53,9 +54,41 @@ static bool extract_ss_info(struct qmi_result *result, int *status)
else
*status = NETWORK_REGISTRATION_STATUS_NOT_REGISTERED;
*tech = -1;
for (i = 0; i < ss->radio_if_count; i++) {
DBG("radio in use %d", ss->radio_if[i]);
*tech = qmi_nas_rat_to_tech(ss->radio_if[i]);
}
return true;
}
static int handle_ss_info(struct qmi_result *result, struct ofono_gprs *gprs)
{
int status;
int tech;
DBG("");
if (!extract_ss_info(result, &status, &tech))
return -1;
if (status == NETWORK_REGISTRATION_STATUS_REGISTERED)
if (tech == ACCESS_TECHNOLOGY_EUTRAN) {
/* On LTE we are effectively always attached; and
* the default bearer is established as soon as the
* network is joined.
*/
/* FIXME: query default profile number and APN
* instead of assuming profile 1 and ""
*/
ofono_gprs_cid_activated(gprs, 1 , "");
}
return status;
}
static void ss_info_notify(struct qmi_result *result, void *user_data)
{
struct ofono_gprs *gprs = user_data;
@ -63,10 +96,10 @@ static void ss_info_notify(struct qmi_result *result, void *user_data)
DBG("");
if (!extract_ss_info(result, &status))
return;
status = handle_ss_info(result, gprs);
ofono_gprs_status_notify(gprs, status);
if (status >= 0)
ofono_gprs_status_notify(gprs, status);
}
static void attach_detach_cb(struct qmi_result *result, void *user_data)
@ -125,22 +158,26 @@ error:
static void get_ss_info_cb(struct qmi_result *result, void *user_data)
{
struct cb_data *cbd = user_data;
struct ofono_gprs *gprs = cbd->user;
ofono_gprs_status_cb_t cb = cbd->cb;
int status;
DBG("");
if (qmi_result_set_error(result, NULL)) {
CALLBACK_WITH_FAILURE(cb, -1, cbd->data);
return;
}
if (qmi_result_set_error(result, NULL))
goto error;
if (!extract_ss_info(result, &status)) {
CALLBACK_WITH_FAILURE(cb, -1, cbd->data);
return;
}
status = handle_ss_info(result, gprs);
if (status < 0)
goto error;
CALLBACK_WITH_SUCCESS(cb, status, cbd->data);
return;
error:
CALLBACK_WITH_FAILURE(cb, -1, cbd->data);
}
static void qmi_attached_status(struct ofono_gprs *gprs,
@ -151,6 +188,7 @@ static void qmi_attached_status(struct ofono_gprs *gprs,
DBG("");
cbd->user = gprs;
if (qmi_service_send(data->nas, QMI_NAS_GET_SS_INFO, NULL,
get_ss_info_cb, cbd, g_free) > 0)
return;