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Commit 9bd4a10e authored by Andrzej Pietrasiewicz's avatar Andrzej Pietrasiewicz Committed by Felipe Balbi
Browse files

usb: gadget: ether: convert to new interface of f_rndis 



use new interface so old one can be removed.

Signed-off-by: default avatarAndrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: default avatarKyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: default avatarFelipe Balbi <balbi@ti.com>
parent f466c635

drivers/usb/gadget/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -694,6 +694,7 @@ config USB_ETH_RNDIS 
	bool "RNDIS support"

	depends on USB_ETH

	select USB_LIBCOMPOSITE

	select USB_F_RNDIS

	default y

	help

	   Microsoft Windows XP bundles the "Remote NDIS" (RNDIS) protocol,

drivers/usb/gadget/ether.c

+33 −23
Original line number Diff line number Diff line
@@ -94,23 +94,14 @@ static inline bool has_rndis(void) 


#include <linux/module.h>



/*-------------------------------------------------------------------------*/



/*

 * Kbuild is not very cooperative with respect to linking separately

 * compiled library objects into one module.  So for now we won't use

 * separate compilation ... ensuring init/exit sections work to shrink

 * the runtime footprint, and giving us at least some parts of what

 * a "gcc --combine ... part1.c part2.c part3.c ... " build would.

 */

#include "u_ecm.h"

#include "u_gether.h"

#ifdef	USB_ETH_RNDIS

#define USB_FRNDIS_INCLUDED

#include "f_rndis.c"

#include "u_rndis.h"

#include "rndis.h"

#else

#define rndis_borrow_net(...) do {} while (0)

#endif



#include "u_eem.h"



/*-------------------------------------------------------------------------*/
@@ -212,9 +203,6 @@ static struct usb_gadget_strings *dev_strings[] = { 
	NULL,

};



static u8 host_mac[ETH_ALEN];

static struct eth_dev *the_dev;



static struct usb_function_instance *fi_ecm;

static struct usb_function *f_ecm;
@@ -224,6 +212,9 @@ static struct usb_function *f_eem; 
static struct usb_function_instance *fi_geth;

static struct usb_function *f_geth;



static struct usb_function_instance *fi_rndis;

static struct usb_function *f_rndis;



/*-------------------------------------------------------------------------*/



/*
@@ -233,6 +224,8 @@ static struct usb_function *f_geth; 
 */

static int __init rndis_do_config(struct usb_configuration *c)

{

	int status;



	/* FIXME alloc iConfiguration string, set it in c->strings */



	if (gadget_is_otg(c->cdev->gadget)) {
@@ -240,7 +233,15 @@ static int __init rndis_do_config(struct usb_configuration *c) 
		c->bmAttributes |= USB_CONFIG_ATT_WAKEUP;

	}



	return rndis_bind_config(c, host_mac, the_dev);

	f_rndis = usb_get_function(fi_rndis);

	if (IS_ERR(f_rndis))

		return PTR_ERR(f_rndis);



	status = usb_add_function(c, f_rndis);

	if (status < 0)

		usb_put_function(f_rndis);



	return status;

}



static struct usb_configuration rndis_config_driver = {
@@ -336,7 +337,6 @@ static int __init eth_bind(struct usb_composite_dev *cdev) 
		eem_opts = container_of(fi_eem, struct f_eem_opts, func_inst);



		net = eem_opts->net;

		the_dev = netdev_priv(net);



		eth_config_driver.label = "CDC Ethernet (EEM)";

		device_desc.idVendor = cpu_to_le16(EEM_VENDOR_NUM);
@@ -351,7 +351,6 @@ static int __init eth_bind(struct usb_composite_dev *cdev) 
		ecm_opts = container_of(fi_ecm, struct f_ecm_opts, func_inst);



		net = ecm_opts->net;

		the_dev = netdev_priv(net);



		eth_config_driver.label = "CDC Ethernet (ECM)";

	} else {
@@ -365,7 +364,6 @@ static int __init eth_bind(struct usb_composite_dev *cdev) 
					 func_inst);



		net = geth_opts->net;

		the_dev = netdev_priv(net);



		eth_config_driver.label = "CDC Subset/SAFE";
@@ -387,7 +385,6 @@ static int __init eth_bind(struct usb_composite_dev *cdev) 
		status = gether_register_netdev(net);

		if (status)

			goto fail;

		gether_get_host_addr_u8(net, host_mac);



		if (use_eem)

			eem_opts->bound = true;
@@ -396,6 +393,14 @@ static int __init eth_bind(struct usb_composite_dev *cdev) 
		else

			geth_opts->bound = true;



		fi_rndis = usb_get_function_instance("rndis");

		if (IS_ERR(fi_rndis)) {

			status = PTR_ERR(fi_rndis);

			goto fail;

		}



		rndis_borrow_net(fi_rndis, net);



		device_desc.idVendor = cpu_to_le16(RNDIS_VENDOR_NUM);

		device_desc.idProduct = cpu_to_le16(RNDIS_PRODUCT_NUM);

		device_desc.bNumConfigurations = 2;
@@ -407,7 +412,7 @@ static int __init eth_bind(struct usb_composite_dev *cdev) 


	status = usb_string_ids_tab(cdev, strings_dev);

	if (status < 0)

		goto fail;

		goto fail1;

	device_desc.iManufacturer = strings_dev[USB_GADGET_MANUFACTURER_IDX].id;

	device_desc.iProduct = strings_dev[USB_GADGET_PRODUCT_IDX].id;
@@ -416,12 +421,12 @@ static int __init eth_bind(struct usb_composite_dev *cdev) 
		status = usb_add_config(cdev, &rndis_config_driver,

				rndis_do_config);

		if (status < 0)

			goto fail;

			goto fail1;

	}



	status = usb_add_config(cdev, &eth_config_driver, eth_do_config);

	if (status < 0)

		goto fail;

		goto fail1;



	usb_composite_overwrite_options(cdev, &coverwrite);

	dev_info(&gadget->dev, "%s, version: " DRIVER_VERSION "\n",
@@ -429,6 +434,9 @@ static int __init eth_bind(struct usb_composite_dev *cdev) 


	return 0;



fail1:

	if (has_rndis())

		usb_put_function_instance(fi_rndis);

fail:

	if (use_eem)

		usb_put_function_instance(fi_eem);
@@ -441,6 +449,8 @@ static int __init eth_bind(struct usb_composite_dev *cdev) 


static int __exit eth_unbind(struct usb_composite_dev *cdev)

{

	if (has_rndis())

		usb_put_function_instance(fi_rndis);

	if (use_eem)

		usb_put_function_instance(fi_eem);

	else if (can_support_ecm(cdev->gadget))