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cdc-ncm: tag Ericsson WWAN devices (eg F5521gw) with FLAG_WWAN 

Tag Ericsson NCM devices as WWAN modems, since they almost certainly all
are.  This way userspace clients know that the device requires further
setup on the AT-capable serial ports before connectivity is available.

Signed-off-by: Dan Williams <dcbw@redhat.com>
This commit is contained in:
Dan Williams 2012-07-24 08:43:22 +00:00 committed by David S. Miller
parent 8b72ff6484
commit f94898ea66
1 changed files with 45 additions and 23 deletions
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68
drivers/net/usb/cdc_ncm.c
View File

@ -138,20 +138,7 @@ struct cdc_ncm_ctx {
static void cdc_ncm_txpath_bh(unsigned long param);
static void cdc_ncm_tx_timeout_start(struct cdc_ncm_ctx *ctx);
static enum hrtimer_restart cdc_ncm_tx_timer_cb(struct hrtimer *hr_timer);
static const struct driver_info cdc_ncm_info;
static struct usb_driver cdc_ncm_driver;
static const struct ethtool_ops cdc_ncm_ethtool_ops;
static const struct usb_device_id cdc_devs[] = {
{ USB_INTERFACE_INFO(USB_CLASS_COMM,
USB_CDC_SUBCLASS_NCM, USB_CDC_PROTO_NONE),
.driver_info = (unsigned long)&cdc_ncm_info,
},
{
},
};
MODULE_DEVICE_TABLE(usb, cdc_devs);
static void
cdc_ncm_get_drvinfo(struct net_device *net, struct ethtool_drvinfo *info)
@ -454,6 +441,16 @@ static void cdc_ncm_free(struct cdc_ncm_ctx *ctx)
kfree(ctx);
}
static const struct ethtool_ops cdc_ncm_ethtool_ops = {
.get_drvinfo = cdc_ncm_get_drvinfo,
.get_link = usbnet_get_link,
.get_msglevel = usbnet_get_msglevel,
.set_msglevel = usbnet_set_msglevel,
.get_settings = usbnet_get_settings,
.set_settings = usbnet_set_settings,
.nway_reset = usbnet_nway_reset,
};
static int cdc_ncm_bind(struct usbnet *dev, struct usb_interface *intf)
{
struct cdc_ncm_ctx *ctx;
@ -1203,6 +1200,41 @@ static const struct driver_info cdc_ncm_info = {
.tx_fixup = cdc_ncm_tx_fixup,
};
/* Same as cdc_ncm_info, but with FLAG_WWAN */
static const struct driver_info wwan_info = {
.description = "Mobile Broadband Network Device",
.flags = FLAG_POINTTOPOINT | FLAG_NO_SETINT | FLAG_MULTI_PACKET
| FLAG_WWAN,
.bind = cdc_ncm_bind,
.unbind = cdc_ncm_unbind,
.check_connect = cdc_ncm_check_connect,
.manage_power = cdc_ncm_manage_power,
.status = cdc_ncm_status,
.rx_fixup = cdc_ncm_rx_fixup,
.tx_fixup = cdc_ncm_tx_fixup,
};
static const struct usb_device_id cdc_devs[] = {
/* Ericsson MBM devices like F5521gw */
{ .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
| USB_DEVICE_ID_MATCH_VENDOR,
.idVendor = 0x0bdb,
.bInterfaceClass = USB_CLASS_COMM,
.bInterfaceSubClass = USB_CDC_SUBCLASS_NCM,
.bInterfaceProtocol = USB_CDC_PROTO_NONE,
.driver_info = (unsigned long) &wwan_info,
},
/* Generic CDC-NCM devices */
{ USB_INTERFACE_INFO(USB_CLASS_COMM,
USB_CDC_SUBCLASS_NCM, USB_CDC_PROTO_NONE),
.driver_info = (unsigned long)&cdc_ncm_info,
},
{
},
};
MODULE_DEVICE_TABLE(usb, cdc_devs);
static struct usb_driver cdc_ncm_driver = {
.name = "cdc_ncm",
.id_table = cdc_devs,
@ -1215,16 +1247,6 @@ static struct usb_driver cdc_ncm_driver = {
.disable_hub_initiated_lpm = 1,
};
static const struct ethtool_ops cdc_ncm_ethtool_ops = {
.get_drvinfo = cdc_ncm_get_drvinfo,
.get_link = usbnet_get_link,
.get_msglevel = usbnet_get_msglevel,
.set_msglevel = usbnet_set_msglevel,
.get_settings = usbnet_get_settings,
.set_settings = usbnet_set_settings,
.nway_reset = usbnet_nway_reset,
};
module_usb_driver(cdc_ncm_driver);
MODULE_AUTHOR("Hans Petter Selasky");