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huawei: try to read port type hints from interface descriptions

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So far, we're really only interested in the "modem" and "pcui" ports.

  root@9d52738:/sys/devices/platform/soc/3f980000.usb/usb1/1-1/1-1.4# find . -name interface|sort
  ./1-1.4:2.0/interface
  ./1-1.4:2.1/interface
  ./1-1.4:2.2/interface
  ./1-1.4:2.3/interface
  ./1-1.4:2.4/interface
  ./1-1.4:2.5/interface
  ./1-1.4:2.6/interface

  root@9d52738:/sys/devices/platform/soc/3f980000.usb/usb1/1-1/1-1.4# find . -name interface|sort|xargs cat
  CDC Ethernet Control Model (ECM)
  CDC Ethernet Data
  Huawei Mobile Connect - Modem
  Huawei Mobile Connect - Application
  Huawei Mobile Connect - Pcui
  Huawei Mobile Connect - Ctrl
  Huawei Mobile Connect - Serial B

Fixes https://gitlab.freedesktop.org/mobile-broadband/ModemManager/issues/170
This commit is contained in:
Aleksander Morgado
2019-12-27 22:47:36 +01:00
parent 9ef84d2cff
commit 353e27065d
1 changed files with 45 additions and 20 deletions
Download Patch File Download Diff File Expand all files Collapse all files

65
plugins/huawei/mm-plugin-huawei.c
View File

@@ -421,42 +421,67 @@ static void
propagate_port_mode_results (GList *probes)
{
MMDevice *device;
GList *l;
gboolean primary_flagged = FALSE;
GList *l;
gboolean primary_flagged = FALSE;
g_assert (probes != NULL);
device = mm_port_probe_peek_device (MM_PORT_PROBE (probes->data));
/* Now we propagate the tags to the specific port probes */
device = mm_port_probe_peek_device (MM_PORT_PROBE (probes->data));
for (l = probes; l; l = g_list_next (l)) {
MMPortSerialAtFlag at_port_flags = MM_PORT_SERIAL_AT_FLAG_NONE;
guint usbif;
MMPortSerialAtFlag at_port_flags = MM_PORT_SERIAL_AT_FLAG_NONE;
MMPortProbe *probe;
guint usbif;
const gchar *description;
usbif = mm_kernel_device_get_property_as_int_hex (mm_port_probe_peek_port (MM_PORT_PROBE (l->data)), "ID_USB_INTERFACE_NUM");
probe = MM_PORT_PROBE (l->data);
/* Tags only applicable to AT ports */
if (!mm_port_probe_is_at (probe))
goto next;
/* Port type hints from AT^GETPORTMODE */
usbif = mm_kernel_device_get_property_as_int_hex (mm_port_probe_peek_port (probe), "ID_USB_INTERFACE_NUM");
if (GPOINTER_TO_UINT (g_object_get_data (G_OBJECT (device), TAG_GETPORTMODE_SUPPORTED))) {
if (usbif + 1 == GPOINTER_TO_UINT (g_object_get_data (G_OBJECT (device), TAG_HUAWEI_PCUI_PORT))) {
at_port_flags = MM_PORT_SERIAL_AT_FLAG_PRIMARY;
primary_flagged = TRUE;
} else if (usbif + 1 == GPOINTER_TO_UINT (g_object_get_data (G_OBJECT (device), TAG_HUAWEI_MODEM_PORT)))
} else if (usbif + 1 == GPOINTER_TO_UINT (g_object_get_data (G_OBJECT (device), TAG_HUAWEI_MODEM_PORT))) {
at_port_flags = MM_PORT_SERIAL_AT_FLAG_PPP;
else if (!g_object_get_data (G_OBJECT (device), TAG_HUAWEI_MODEM_PORT) &&
usbif + 1 == GPOINTER_TO_UINT (g_object_get_data (G_OBJECT (device), TAG_HUAWEI_NDIS_PORT)))
} else if (!g_object_get_data (G_OBJECT (device), TAG_HUAWEI_MODEM_PORT) &&
usbif + 1 == GPOINTER_TO_UINT (g_object_get_data (G_OBJECT (device), TAG_HUAWEI_NDIS_PORT))) {
/* If NDIS reported only instead of MDM, use it */
at_port_flags = MM_PORT_SERIAL_AT_FLAG_PPP;
} else if (usbif == 0 &&
mm_port_probe_is_at (MM_PORT_PROBE (l->data))) {
/* If GETPORTMODE is not supported, we assume usbif 0 is the modem port */
at_port_flags = MM_PORT_SERIAL_AT_FLAG_PPP;
/* /\* TODO. */
/* * For CDMA modems we assume usbif0 is both primary and PPP, since */
/* * they don't have problems with talking on secondary ports. */
/* *\/ */
/* if (caps & CAP_CDMA) */
/* pflags |= MM_PORT_SERIAL_AT_FLAG_PRIMARY; */
}
goto next;
}
/* Port type hints from interface description */
description = mm_kernel_device_get_interface_description (mm_port_probe_peek_port (probe));
if (description) {
gchar *lower_description;
mm_dbg ("(Huawei) %s interface description: %s", mm_port_probe_get_port_name (probe), description);
lower_description = g_ascii_strdown (description, -1);
if (strstr (lower_description, "modem"))
at_port_flags = MM_PORT_SERIAL_AT_FLAG_PPP;
else if (strstr (lower_description, "pcui")) {
at_port_flags = MM_PORT_SERIAL_AT_FLAG_PRIMARY;
primary_flagged = TRUE;
}
g_free (lower_description);
goto next;
}
/* If GETPORTMODE unsupported and no other port type hints, we assume
* usbif 0 is the modem port */
if (usbif == 0) {
at_port_flags = MM_PORT_SERIAL_AT_FLAG_PPP;
goto next;
}
next:
g_object_set_data (G_OBJECT (l->data), TAG_AT_PORT_FLAGS, GUINT_TO_POINTER (at_port_flags));
}