sierra: move custom init and port grabbing methods to separate source files

This commit is contained in:
Aleksander Morgado
2015-02-06 17:29:56 +01:00
parent 5a268430c4
commit b115945399
3 changed files with 239 additions and 219 deletions

View File

@@ -15,6 +15,9 @@
* Copyright (C) 2012 Lanedo GmbH
*/
#include <stdlib.h>
#include <string.h>
#include "mm-common-sierra.h"
#include "mm-base-modem-at.h"
#include "mm-log.h"
@@ -23,6 +26,220 @@
static MMIfaceModem *iface_modem_parent;
/*****************************************************************************/
/* Custom init and port type hints */
#define TAG_SIERRA_APP_PORT "sierra-app-port"
#define TAG_SIERRA_APP1_PPP_OK "sierra-app1-ppp-ok"
gboolean
mm_common_sierra_grab_port (MMPlugin *self,
MMBaseModem *modem,
MMPortProbe *probe,
GError **error)
{
MMPortSerialAtFlag pflags = MM_PORT_SERIAL_AT_FLAG_NONE;
MMPortType ptype;
ptype = mm_port_probe_get_port_type (probe);
/* Is it a GSM secondary port? */
if (g_object_get_data (G_OBJECT (probe), TAG_SIERRA_APP_PORT)) {
if (g_object_get_data (G_OBJECT (probe), TAG_SIERRA_APP1_PPP_OK))
pflags = MM_PORT_SERIAL_AT_FLAG_PPP;
else
pflags = MM_PORT_SERIAL_AT_FLAG_SECONDARY;
} else if (ptype == MM_PORT_TYPE_AT)
pflags = MM_PORT_SERIAL_AT_FLAG_PRIMARY;
return mm_base_modem_grab_port (modem,
mm_port_probe_get_port_subsys (probe),
mm_port_probe_get_port_name (probe),
mm_port_probe_get_parent_path (probe),
ptype,
pflags,
error);
}
gboolean
mm_common_sierra_port_probe_list_is_icera (GList *probes)
{
GList *l;
for (l = probes; l; l = g_list_next (l)) {
/* Only assume the Icera probing check is valid IF the port is not
* secondary. This will skip the stupid ports which reply OK to every
* AT command, even the one we use to check for Icera support */
if (mm_port_probe_is_icera (MM_PORT_PROBE (l->data)) &&
!g_object_get_data (G_OBJECT (l->data), TAG_SIERRA_APP_PORT))
return TRUE;
}
return FALSE;
}
typedef struct {
MMPortProbe *probe;
MMPortSerialAt *port;
GCancellable *cancellable;
GSimpleAsyncResult *result;
guint retries;
} SierraCustomInitContext;
static void
sierra_custom_init_context_complete_and_free (SierraCustomInitContext *ctx)
{
g_simple_async_result_complete_in_idle (ctx->result);
if (ctx->cancellable)
g_object_unref (ctx->cancellable);
g_object_unref (ctx->port);
g_object_unref (ctx->probe);
g_object_unref (ctx->result);
g_slice_free (SierraCustomInitContext, ctx);
}
gboolean
mm_common_sierra_custom_init_finish (MMPortProbe *probe,
GAsyncResult *result,
GError **error)
{
return !g_simple_async_result_propagate_error (G_SIMPLE_ASYNC_RESULT (result), error);
}
static void sierra_custom_init_step (SierraCustomInitContext *ctx);
static void
gcap_ready (MMPortSerialAt *port,
GAsyncResult *res,
SierraCustomInitContext *ctx)
{
const gchar *response;
GError *error = NULL;
response = mm_port_serial_at_command_finish (port, res, &error);
if (error) {
/* If consumed all tries and the last error was a timeout, assume the
* port is not AT */
if (ctx->retries == 0 &&
g_error_matches (error, MM_SERIAL_ERROR, MM_SERIAL_ERROR_RESPONSE_TIMEOUT)) {
mm_port_probe_set_result_at (ctx->probe, FALSE);
}
/* If reported a hard parse error, this port is definitely not an AT
* port, skip trying. */
else if (g_error_matches (error, MM_SERIAL_ERROR, MM_SERIAL_ERROR_PARSE_FAILED)) {
mm_port_probe_set_result_at (ctx->probe, FALSE);
ctx->retries = 0;
}
/* Some Icera-based devices (eg, USB305) have an AT-style port that
* replies to everything with ERROR, so tag as unsupported; sometimes
* the real AT ports do this too, so let a retry tag the port as
* supported if it responds correctly later. */
else if (g_error_matches (error, MM_MOBILE_EQUIPMENT_ERROR, MM_MOBILE_EQUIPMENT_ERROR_UNKNOWN)) {
mm_port_probe_set_result_at (ctx->probe, FALSE);
}
/* Just retry... */
sierra_custom_init_step (ctx);
goto out;
}
/* A valid reply to ATI tells us this is an AT port already */
mm_port_probe_set_result_at (ctx->probe, TRUE);
/* Sierra APPx ports have limited AT command parsers that just reply with
* "OK" to most commands. These can sometimes be used for PPP while the
* main port is used for status and control, but older modems tend to crash
* or fail PPP. So we whitelist modems that are known to allow PPP on the
* secondary APP ports.
*/
if (strstr (response, "APP1")) {
g_object_set_data (G_OBJECT (ctx->probe), TAG_SIERRA_APP_PORT, GUINT_TO_POINTER (TRUE));
/* PPP-on-APP1-port whitelist */
if (strstr (response, "C885") ||
strstr (response, "USB 306") ||
strstr (response, "MC8790"))
g_object_set_data (G_OBJECT (ctx->probe), TAG_SIERRA_APP1_PPP_OK, GUINT_TO_POINTER (TRUE));
/* For debugging: let users figure out if their device supports PPP
* on the APP1 port or not.
*/
if (getenv ("MM_SIERRA_APP1_PPP_OK")) {
mm_dbg ("Sierra: APP1 PPP OK '%s'", response);
g_object_set_data (G_OBJECT (ctx->probe), TAG_SIERRA_APP1_PPP_OK, GUINT_TO_POINTER (TRUE));
}
} else if (strstr (response, "APP2") ||
strstr (response, "APP3") ||
strstr (response, "APP4")) {
/* Additional APP ports don't support most AT commands, so they cannot
* be used as the primary port.
*/
g_object_set_data (G_OBJECT (ctx->probe), TAG_SIERRA_APP_PORT, GUINT_TO_POINTER (TRUE));
}
g_simple_async_result_set_op_res_gboolean (ctx->result, TRUE);
sierra_custom_init_context_complete_and_free (ctx);
out:
if (error)
g_error_free (error);
}
static void
sierra_custom_init_step (SierraCustomInitContext *ctx)
{
/* If cancelled, end */
if (g_cancellable_is_cancelled (ctx->cancellable)) {
mm_dbg ("(Sierra) no need to keep on running custom init in '%s'",
mm_port_get_device (MM_PORT (ctx->port)));
g_simple_async_result_set_op_res_gboolean (ctx->result, TRUE);
sierra_custom_init_context_complete_and_free (ctx);
return;
}
if (ctx->retries == 0) {
mm_dbg ("(Sierra) Couldn't get port type hints from '%s'",
mm_port_get_device (MM_PORT (ctx->port)));
g_simple_async_result_set_op_res_gboolean (ctx->result, TRUE);
sierra_custom_init_context_complete_and_free (ctx);
return;
}
ctx->retries--;
mm_port_serial_at_command (
ctx->port,
"ATI",
3,
FALSE, /* raw */
FALSE, /* allow_cached */
ctx->cancellable,
(GAsyncReadyCallback)gcap_ready,
ctx);
}
void
mm_common_sierra_custom_init (MMPortProbe *probe,
MMPortSerialAt *port,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{
SierraCustomInitContext *ctx;
ctx = g_slice_new (SierraCustomInitContext);
ctx->result = g_simple_async_result_new (G_OBJECT (probe),
callback,
user_data,
mm_common_sierra_custom_init);
ctx->probe = g_object_ref (probe);
ctx->port = g_object_ref (port);
ctx->cancellable = cancellable ? g_object_ref (cancellable) : NULL;
ctx->retries = 3;
sierra_custom_init_step (ctx);
}
/*****************************************************************************/
/* Modem power up (Modem interface) */

View File

@@ -18,10 +18,27 @@
#ifndef MM_COMMON_SIERRA_H
#define MM_COMMON_SIERRA_H
#include "mm-plugin.h"
#include "mm-broadband-modem.h"
#include "mm-iface-modem.h"
#include "mm-base-sim.h"
gboolean mm_common_sierra_grab_port (MMPlugin *self,
MMBaseModem *modem,
MMPortProbe *probe,
GError **error);
gboolean mm_common_sierra_port_probe_list_is_icera (GList *probes);
void mm_common_sierra_custom_init (MMPortProbe *probe,
MMPortSerialAt *port,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data);
gboolean mm_common_sierra_custom_init_finish (MMPortProbe *probe,
GAsyncResult *result,
GError **error);
void mm_common_sierra_load_power_state (MMIfaceModem *self,
GAsyncReadyCallback callback,
gpointer user_data);

View File

@@ -15,7 +15,6 @@
* Copyright (C) 2012 Lanedo GmbH
*/
#include <string.h>
#include <stdlib.h>
#include <gmodule.h>
@@ -24,6 +23,7 @@
#include "mm-log.h"
#include "mm-plugin-sierra.h"
#include "mm-common-sierra.h"
#include "mm-broadband-modem-sierra.h"
#include "mm-broadband-modem-sierra-icera.h"
@@ -41,191 +41,6 @@ int mm_plugin_major_version = MM_PLUGIN_MAJOR_VERSION;
int mm_plugin_minor_version = MM_PLUGIN_MINOR_VERSION;
/*****************************************************************************/
/* Custom init */
#define TAG_SIERRA_APP_PORT "sierra-app-port"
#define TAG_SIERRA_APP1_PPP_OK "sierra-app1-ppp-ok"
typedef struct {
MMPortProbe *probe;
MMPortSerialAt *port;
GCancellable *cancellable;
GSimpleAsyncResult *result;
guint retries;
} SierraCustomInitContext;
static void
sierra_custom_init_context_complete_and_free (SierraCustomInitContext *ctx)
{
g_simple_async_result_complete_in_idle (ctx->result);
if (ctx->cancellable)
g_object_unref (ctx->cancellable);
g_object_unref (ctx->port);
g_object_unref (ctx->probe);
g_object_unref (ctx->result);
g_slice_free (SierraCustomInitContext, ctx);
}
static gboolean
sierra_custom_init_finish (MMPortProbe *probe,
GAsyncResult *result,
GError **error)
{
return !g_simple_async_result_propagate_error (G_SIMPLE_ASYNC_RESULT (result), error);
}
static void sierra_custom_init_step (SierraCustomInitContext *ctx);
static void
gcap_ready (MMPortSerialAt *port,
GAsyncResult *res,
SierraCustomInitContext *ctx)
{
const gchar *response;
GError *error = NULL;
response = mm_port_serial_at_command_finish (port, res, &error);
if (error) {
/* If consumed all tries and the last error was a timeout, assume the
* port is not AT */
if (ctx->retries == 0 &&
g_error_matches (error, MM_SERIAL_ERROR, MM_SERIAL_ERROR_RESPONSE_TIMEOUT)) {
mm_port_probe_set_result_at (ctx->probe, FALSE);
}
/* If reported a hard parse error, this port is definitely not an AT
* port, skip trying. */
else if (g_error_matches (error, MM_SERIAL_ERROR, MM_SERIAL_ERROR_PARSE_FAILED)) {
mm_port_probe_set_result_at (ctx->probe, FALSE);
ctx->retries = 0;
}
/* Some Icera-based devices (eg, USB305) have an AT-style port that
* replies to everything with ERROR, so tag as unsupported; sometimes
* the real AT ports do this too, so let a retry tag the port as
* supported if it responds correctly later. */
else if (g_error_matches (error, MM_MOBILE_EQUIPMENT_ERROR, MM_MOBILE_EQUIPMENT_ERROR_UNKNOWN)) {
mm_port_probe_set_result_at (ctx->probe, FALSE);
}
/* Just retry... */
sierra_custom_init_step (ctx);
goto out;
}
/* A valid reply to ATI tells us this is an AT port already */
mm_port_probe_set_result_at (ctx->probe, TRUE);
/* Sierra APPx ports have limited AT command parsers that just reply with
* "OK" to most commands. These can sometimes be used for PPP while the
* main port is used for status and control, but older modems tend to crash
* or fail PPP. So we whitelist modems that are known to allow PPP on the
* secondary APP ports.
*/
if (strstr (response, "APP1")) {
g_object_set_data (G_OBJECT (ctx->probe), TAG_SIERRA_APP_PORT, GUINT_TO_POINTER (TRUE));
/* PPP-on-APP1-port whitelist */
if (strstr (response, "C885") ||
strstr (response, "USB 306") ||
strstr (response, "MC8790"))
g_object_set_data (G_OBJECT (ctx->probe), TAG_SIERRA_APP1_PPP_OK, GUINT_TO_POINTER (TRUE));
/* For debugging: let users figure out if their device supports PPP
* on the APP1 port or not.
*/
if (getenv ("MM_SIERRA_APP1_PPP_OK")) {
mm_dbg ("Sierra: APP1 PPP OK '%s'", response);
g_object_set_data (G_OBJECT (ctx->probe), TAG_SIERRA_APP1_PPP_OK, GUINT_TO_POINTER (TRUE));
}
} else if (strstr (response, "APP2") ||
strstr (response, "APP3") ||
strstr (response, "APP4")) {
/* Additional APP ports don't support most AT commands, so they cannot
* be used as the primary port.
*/
g_object_set_data (G_OBJECT (ctx->probe), TAG_SIERRA_APP_PORT, GUINT_TO_POINTER (TRUE));
}
g_simple_async_result_set_op_res_gboolean (ctx->result, TRUE);
sierra_custom_init_context_complete_and_free (ctx);
out:
if (error)
g_error_free (error);
}
static void
sierra_custom_init_step (SierraCustomInitContext *ctx)
{
/* If cancelled, end */
if (g_cancellable_is_cancelled (ctx->cancellable)) {
mm_dbg ("(Sierra) no need to keep on running custom init in '%s'",
mm_port_get_device (MM_PORT (ctx->port)));
g_simple_async_result_set_op_res_gboolean (ctx->result, TRUE);
sierra_custom_init_context_complete_and_free (ctx);
return;
}
if (ctx->retries == 0) {
mm_dbg ("(Sierra) Couldn't get port type hints from '%s'",
mm_port_get_device (MM_PORT (ctx->port)));
g_simple_async_result_set_op_res_gboolean (ctx->result, TRUE);
sierra_custom_init_context_complete_and_free (ctx);
return;
}
ctx->retries--;
mm_port_serial_at_command (
ctx->port,
"ATI",
3,
FALSE, /* raw */
FALSE, /* allow_cached */
ctx->cancellable,
(GAsyncReadyCallback)gcap_ready,
ctx);
}
static void
sierra_custom_init (MMPortProbe *probe,
MMPortSerialAt *port,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{
SierraCustomInitContext *ctx;
ctx = g_slice_new (SierraCustomInitContext);
ctx->result = g_simple_async_result_new (G_OBJECT (probe),
callback,
user_data,
sierra_custom_init);
ctx->probe = g_object_ref (probe);
ctx->port = g_object_ref (port);
ctx->cancellable = cancellable ? g_object_ref (cancellable) : NULL;
ctx->retries = 3;
sierra_custom_init_step (ctx);
}
/*****************************************************************************/
static gboolean
sierra_port_probe_list_is_icera (GList *probes)
{
GList *l;
for (l = probes; l; l = g_list_next (l)) {
/* Only assume the Icera probing check is valid IF the port is not
* secondary. This will skip the stupid ports which reply OK to every
* AT command, even the one we use to check for Icera support */
if (mm_port_probe_is_icera (MM_PORT_PROBE (l->data)) &&
!g_object_get_data (G_OBJECT (l->data), TAG_SIERRA_APP_PORT))
return TRUE;
}
return FALSE;
}
static MMBaseModem *
create_modem (MMPlugin *self,
@@ -258,7 +73,7 @@ create_modem (MMPlugin *self,
}
#endif
if (sierra_port_probe_list_is_icera (probes))
if (mm_common_sierra_port_probe_list_is_icera (probes))
return MM_BASE_MODEM (mm_broadband_modem_sierra_icera_new (sysfs_path,
drivers,
mm_plugin_get_name (self),
@@ -272,35 +87,6 @@ create_modem (MMPlugin *self,
product));
}
static gboolean
grab_port (MMPlugin *self,
MMBaseModem *modem,
MMPortProbe *probe,
GError **error)
{
MMPortSerialAtFlag pflags = MM_PORT_SERIAL_AT_FLAG_NONE;
MMPortType ptype;
ptype = mm_port_probe_get_port_type (probe);
/* Is it a GSM secondary port? */
if (g_object_get_data (G_OBJECT (probe), TAG_SIERRA_APP_PORT)) {
if (g_object_get_data (G_OBJECT (probe), TAG_SIERRA_APP1_PPP_OK))
pflags = MM_PORT_SERIAL_AT_FLAG_PPP;
else
pflags = MM_PORT_SERIAL_AT_FLAG_SECONDARY;
} else if (ptype == MM_PORT_TYPE_AT)
pflags = MM_PORT_SERIAL_AT_FLAG_PRIMARY;
return mm_base_modem_grab_port (modem,
mm_port_probe_get_port_subsys (probe),
mm_port_probe_get_port_name (probe),
mm_port_probe_get_parent_path (probe),
ptype,
pflags,
error);
}
/*****************************************************************************/
G_MODULE_EXPORT MMPlugin *
@@ -309,8 +95,8 @@ mm_plugin_create (void)
static const gchar *subsystems[] = { "tty", "net", "usb", NULL };
static const gchar *drivers[] = { "sierra", "sierra_net", NULL };
static const MMAsyncMethod custom_init = {
.async = G_CALLBACK (sierra_custom_init),
.finish = G_CALLBACK (sierra_custom_init_finish),
.async = G_CALLBACK (mm_common_sierra_custom_init),
.finish = G_CALLBACK (mm_common_sierra_custom_init_finish),
};
return MM_PLUGIN (
@@ -339,5 +125,5 @@ mm_plugin_sierra_class_init (MMPluginSierraClass *klass)
MMPluginClass *plugin_class = MM_PLUGIN_CLASS (klass);
plugin_class->create_modem = create_modem;
plugin_class->grab_port = grab_port;
plugin_class->grab_port = mm_common_sierra_grab_port;
}