Commit 2f62d5aa authored by Wei Shuai's avatar Wei Shuai Committed by David S. Miller
Browse files

cdc_ncm: add support FLAG_NOARP for Infineon modem platform 



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: default avatarWei Shuai <cpuwolf@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 6509141f

drivers/net/usb/cdc_ncm.c

+21 −0
Original line number Diff line number Diff line
@@ -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),