usb: gadget: Gadget directory cleanup - group usb functions

The drivers/usb/gadget directory contains many files.
Files which are related can be distributed into separate directories.
This patch moves the USB functions implementations into a separate directory.

Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

1 files changed, 0 insertions, 272 deletions

diff --git a/drivers/usb/gadget/u_ether.h b/drivers/usb/gadget/u_ether.h
deleted file mode 100644
index 334b38947916..000000000000
--- a/drivers/usb/gadget/u_ether.h
+++ /dev/null
@@ -1,272 +0,0 @@
-/*
- * u_ether.h -- interface to USB gadget "ethernet link" utilities
- *
- * Copyright (C) 2003-2005,2008 David Brownell
- * Copyright (C) 2003-2004 Robert Schwebel, Benedikt Spranger
- * Copyright (C) 2008 Nokia Corporation
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- */
-
-#ifndef __U_ETHER_H
-#define __U_ETHER_H
-
-#include <linux/err.h>
-#include <linux/if_ether.h>
-#include <linux/usb/composite.h>
-#include <linux/usb/cdc.h>
-#include <linux/netdevice.h>
-
-#include "gadget_chips.h"
-
-#define QMULT_DEFAULT 5
-
-/*
- * dev_addr: initial value
- * changed by "ifconfig usb0 hw ether xx:xx:xx:xx:xx:xx"
- * host_addr: this address is invisible to ifconfig
- */
-#define USB_ETHERNET_MODULE_PARAMETERS() \
-	static unsigned qmult = QMULT_DEFAULT;				\
-	module_param(qmult, uint, S_IRUGO|S_IWUSR);			\
-	MODULE_PARM_DESC(qmult, "queue length multiplier at high/super speed");\
-									\
-	static char *dev_addr;						\
-	module_param(dev_addr, charp, S_IRUGO);				\
-	MODULE_PARM_DESC(dev_addr, "Device Ethernet Address");		\
-									\
-	static char *host_addr;						\
-	module_param(host_addr, charp, S_IRUGO);			\
-	MODULE_PARM_DESC(host_addr, "Host Ethernet Address")
-
-struct eth_dev;
-
-/*
- * This represents the USB side of an "ethernet" link, managed by a USB
- * function which provides control and (maybe) framing.  Two functions
- * in different configurations could share the same ethernet link/netdev,
- * using different host interaction models.
- *
- * There is a current limitation that only one instance of this link may
- * be present in any given configuration.  When that's a problem, network
- * layer facilities can be used to package multiple logical links on this
- * single "physical" one.
- */
-struct gether {
-	struct usb_function		func;
-
-	/* updated by gether_{connect,disconnect} */
-	struct eth_dev			*ioport;
-
-	/* endpoints handle full and/or high speeds */
-	struct usb_ep			*in_ep;
-	struct usb_ep			*out_ep;
-
-	bool				is_zlp_ok;
-
-	u16				cdc_filter;
-
-	/* hooks for added framing, as needed for RNDIS and EEM. */
-	u32				header_len;
-	/* NCM requires fixed size bundles */
-	bool				is_fixed;
-	u32				fixed_out_len;
-	u32				fixed_in_len;
-	bool				supports_multi_frame;
-	struct sk_buff			*(*wrap)(struct gether *port,
-						struct sk_buff *skb);
-	int				(*unwrap)(struct gether *port,
-						struct sk_buff *skb,
-						struct sk_buff_head *list);
-
-	/* called on network open/close */
-	void				(*open)(struct gether *);
-	void				(*close)(struct gether *);
-};
-
-#define	DEFAULT_FILTER	(USB_CDC_PACKET_TYPE_BROADCAST \
-			|USB_CDC_PACKET_TYPE_ALL_MULTICAST \
-			|USB_CDC_PACKET_TYPE_PROMISCUOUS \
-			|USB_CDC_PACKET_TYPE_DIRECTED)
-
-/* variant of gether_setup that allows customizing network device name */
-struct eth_dev *gether_setup_name(struct usb_gadget *g,
-		const char *dev_addr, const char *host_addr,
-		u8 ethaddr[ETH_ALEN], unsigned qmult, const char *netname);
-
-/* netdev setup/teardown as directed by the gadget driver */
-/* gether_setup - initialize one ethernet-over-usb link
- * @g: gadget to associated with these links
- * @ethaddr: NULL, or a buffer in which the ethernet address of the
- *	host side of the link is recorded
- * Context: may sleep
- *
- * This sets up the single network link that may be exported by a
- * gadget driver using this framework.  The link layer addresses are
- * set up using module parameters.
- *
- * Returns a eth_dev pointer on success, or an ERR_PTR on failure
- */
-static inline struct eth_dev *gether_setup(struct usb_gadget *g,
-		const char *dev_addr, const char *host_addr,
-		u8 ethaddr[ETH_ALEN], unsigned qmult)
-{
-	return gether_setup_name(g, dev_addr, host_addr, ethaddr, qmult, "usb");
-}
-
-/*
- * variant of gether_setup_default that allows customizing
- * network device name
- */
-struct net_device *gether_setup_name_default(const char *netname);
-
-/*
- * gether_register_netdev - register the net device
- * @net: net device to register
- *
- * Registers the net device associated with this ethernet-over-usb link
- *
- */
-int gether_register_netdev(struct net_device *net);
-
-/* gether_setup_default - initialize one ethernet-over-usb link
- * Context: may sleep
- *
- * This sets up the single network link that may be exported by a
- * gadget driver using this framework.  The link layer addresses
- * are set to random values.
- *
- * Returns negative errno, or zero on success
- */
-static inline struct net_device *gether_setup_default(void)
-{
-	return gether_setup_name_default("usb");
-}
-
-/**
- * gether_set_gadget - initialize one ethernet-over-usb link with a gadget
- * @net: device representing this link
- * @g: the gadget to initialize with
- *
- * This associates one ethernet-over-usb link with a gadget.
- */
-void gether_set_gadget(struct net_device *net, struct usb_gadget *g);
-
-/**
- * gether_set_dev_addr - initialize an ethernet-over-usb link with eth address
- * @net: device representing this link
- * @dev_addr: eth address of this device
- *
- * This sets the device-side Ethernet address of this ethernet-over-usb link
- * if dev_addr is correct.
- * Returns negative errno if the new address is incorrect.
- */
-int gether_set_dev_addr(struct net_device *net, const char *dev_addr);
-
-/**
- * gether_get_dev_addr - get an ethernet-over-usb link eth address
- * @net: device representing this link
- * @dev_addr: place to store device's eth address
- * @len: length of the @dev_addr buffer
- *
- * This gets the device-side Ethernet address of this ethernet-over-usb link.
- * Returns zero on success, else negative errno.
- */
-int gether_get_dev_addr(struct net_device *net, char *dev_addr, int len);
-
-/**
- * gether_set_host_addr - initialize an ethernet-over-usb link with host address
- * @net: device representing this link
- * @host_addr: eth address of the host
- *
- * This sets the host-side Ethernet address of this ethernet-over-usb link
- * if host_addr is correct.
- * Returns negative errno if the new address is incorrect.
- */
-int gether_set_host_addr(struct net_device *net, const char *host_addr);
-
-/**
- * gether_get_host_addr - get an ethernet-over-usb link host address
- * @net: device representing this link
- * @host_addr: place to store eth address of the host
- * @len: length of the @host_addr buffer
- *
- * This gets the host-side Ethernet address of this ethernet-over-usb link.
- * Returns zero on success, else negative errno.
- */
-int gether_get_host_addr(struct net_device *net, char *host_addr, int len);
-
-/**
- * gether_get_host_addr_cdc - get an ethernet-over-usb link host address
- * @net: device representing this link
- * @host_addr: place to store eth address of the host
- * @len: length of the @host_addr buffer
- *
- * This gets the CDC formatted host-side Ethernet address of this
- * ethernet-over-usb link.
- * Returns zero on success, else negative errno.
- */
-int gether_get_host_addr_cdc(struct net_device *net, char *host_addr, int len);
-
-/**
- * gether_get_host_addr_u8 - get an ethernet-over-usb link host address
- * @net: device representing this link
- * @host_mac: place to store the eth address of the host
- *
- * This gets the binary formatted host-side Ethernet address of this
- * ethernet-over-usb link.
- */
-void gether_get_host_addr_u8(struct net_device *net, u8 host_mac[ETH_ALEN]);
-
-/**
- * gether_set_qmult - initialize an ethernet-over-usb link with a multiplier
- * @net: device representing this link
- * @qmult: queue multiplier
- *
- * This sets the queue length multiplier of this ethernet-over-usb link.
- * For higher speeds use longer queues.
- */
-void gether_set_qmult(struct net_device *net, unsigned qmult);
-
-/**
- * gether_get_qmult - get an ethernet-over-usb link multiplier
- * @net: device representing this link
- *
- * This gets the queue length multiplier of this ethernet-over-usb link.
- */
-unsigned gether_get_qmult(struct net_device *net);
-
-/**
- * gether_get_ifname - get an ethernet-over-usb link interface name
- * @net: device representing this link
- * @name: place to store the interface name
- * @len: length of the @name buffer
- *
- * This gets the interface name of this ethernet-over-usb link.
- * Returns zero on success, else negative errno.
- */
-int gether_get_ifname(struct net_device *net, char *name, int len);
-
-void gether_cleanup(struct eth_dev *dev);
-
-/* connect/disconnect is handled by individual functions */
-struct net_device *gether_connect(struct gether *);
-void gether_disconnect(struct gether *);
-
-/* Some controllers can't support CDC Ethernet (ECM) ... */
-static inline bool can_support_ecm(struct usb_gadget *gadget)
-{
-	if (!gadget_supports_altsettings(gadget))
-		return false;
-
-	/* Everything else is *presumably* fine ... but this is a bit
-	 * chancy, so be **CERTAIN** there are no hardware issues with
-	 * your controller.  Add it above if it can't handle CDC.
-	 */
-	return true;
-}
-
-#endif /* __U_ETHER_H */