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cdc_ncm: add support FLAG_NOARP for Infineon modem platform

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Infineon(now Intel) HSPA Modem platform NCM cannot support ARP.
we can define a new common structure wwan_noarp_info.
Then more similiar NO ARP devices can be handled easily

Signed-off-by: Wei Shuai <cpuwolf@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Wei Shuai 2013-01-21 06:00:32 +00:00 committed by David S. Miller
parent 6509141f9c
commit 2f62d5aa28
1 changed files with 21 additions and 0 deletions
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21
drivers/net/usb/cdc_ncm.c
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@ -1183,6 +1183,20 @@ static const struct driver_info wwan_info = {
.tx_fixup = cdc_ncm_tx_fixup,
};
/* Same as wwan_info, but with FLAG_NOARP */
static const struct driver_info wwan_noarp_info = {
.description = "Mobile Broadband Network Device (NO ARP)",
.flags = FLAG_POINTTOPOINT | FLAG_NO_SETINT | FLAG_MULTI_PACKET
| FLAG_WWAN | FLAG_NOARP,
.bind = cdc_ncm_bind,
.unbind = cdc_ncm_unbind,
.check_connect = cdc_ncm_check_connect,
.manage_power = usbnet_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
@ -1222,6 +1236,13 @@ static const struct usb_device_id cdc_devs[] = {
.driver_info = (unsigned long)&wwan_info,
},
/* Infineon(now Intel) HSPA Modem platform */
{ USB_DEVICE_AND_INTERFACE_INFO(0x1519, 0x0443,
USB_CLASS_COMM,
USB_CDC_SUBCLASS_NCM, USB_CDC_PROTO_NONE),
.driver_info = (unsigned long)&wwan_noarp_info,
},
/* Generic CDC-NCM devices */
{ USB_INTERFACE_INFO(USB_CLASS_COMM,
USB_CDC_SUBCLASS_NCM, USB_CDC_PROTO_NONE),