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/*
* USB Networking Link Interface
*
* Copyright (C) 2000-2005 by David Brownell <dbrownell@users.sourceforge.net>
* Copyright (C) 2003-2005 David Hollis <dhollis@davehollis.com>
*
* 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.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __LINUX_USB_USBNET_H
#define __LINUX_USB_USBNET_H
struct usbnet {
struct usb_device *udev;
struct usb_interface *intf;
struct driver_info *driver_info;
const char *driver_name;
void *driver_priv;
wait_queue_head_t *wait;
struct mutex phy_mutex;
unsigned char suspend_count;
unsigned in, out;
struct usb_host_endpoint *status;
unsigned maxpacket;
struct timer_list delay;
struct net_device *net;
int msg_enable;
unsigned long data[5];
u32 xid;
u32 hard_mtu;
size_t rx_urb_size;
struct mii_if_info mii;
struct sk_buff_head rxq;
struct sk_buff_head txq;
struct sk_buff_head done;
struct sk_buff_head rxq_pause;
struct urb *interrupt;
struct usb_anchor deferred;
struct work_struct bh_w;
struct work_struct kevent;
unsigned long flags;
# define EVENT_TX_HALT 0
# define EVENT_RX_HALT 1
# define EVENT_RX_MEMORY 2
# define EVENT_STS_SPLIT 3
# define EVENT_LINK_RESET 4
# define EVENT_RX_PAUSED 5
# define EVENT_DEV_WAKING 6
# define EVENT_DEV_ASLEEP 7
# define EVENT_DEV_OPEN 8
};
static inline struct usb_driver *driver_of(struct usb_interface *intf)
{
return to_usb_driver(intf->dev.driver);
}
struct driver_info {
char *description;
int flags;
#define FLAG_FRAMING_NC 0x0001
#define FLAG_FRAMING_GL 0x0002
#define FLAG_FRAMING_Z 0x0004
#define FLAG_FRAMING_RN 0x0008
#define FLAG_NO_SETINT 0x0010
#define FLAG_ETHER 0x0020
#define FLAG_FRAMING_AX 0x0040
#define FLAG_WLAN 0x0080
#define FLAG_AVOID_UNLINK_URBS 0x0100
#define FLAG_SEND_ZLP 0x0200
#define FLAG_WWAN 0x0400
#define FLAG_LINK_INTR 0x0800
#define FLAG_POINTTOPOINT 0x1000
#define FLAG_MULTI_PACKET 0x2000
#define FLAG_RX_ASSEMBLE 0x4000
int (*bind)(struct usbnet *, struct usb_interface *);
void (*unbind)(struct usbnet *, struct usb_interface *);
int (*reset)(struct usbnet *);
int (*stop)(struct usbnet *);
int (*check_connect)(struct usbnet *);
int (*manage_power)(struct usbnet *, int);
void (*status)(struct usbnet *, struct urb *);
int (*link_reset)(struct usbnet *);
int (*rx_fixup)(struct usbnet *dev, struct sk_buff *skb);
struct sk_buff *(*tx_fixup)(struct usbnet *dev,
struct sk_buff *skb, gfp_t flags);
int (*early_init)(struct usbnet *dev);
void (*indication)(struct usbnet *dev, void *ind, int indlen);
int in;
int out;
unsigned long data;
};
extern int usbnet_probe(struct usb_interface *, const struct usb_device_id *);
extern int usbnet_suspend(struct usb_interface *, pm_message_t);
extern int usbnet_resume(struct usb_interface *);
extern void usbnet_disconnect(struct usb_interface *);
struct cdc_state {
struct usb_cdc_header_desc *header;
struct usb_cdc_union_desc *u;
struct usb_cdc_ether_desc *ether;
struct usb_interface *control;
struct usb_interface *data;
};
extern int usbnet_generic_cdc_bind(struct usbnet *, struct usb_interface *);
extern int usbnet_cdc_bind(struct usbnet *, struct usb_interface *);
extern void usbnet_cdc_unbind(struct usbnet *, struct usb_interface *);
extern void usbnet_cdc_status(struct usbnet *, struct urb *);
#define DEFAULT_FILTER (USB_CDC_PACKET_TYPE_BROADCAST \
|USB_CDC_PACKET_TYPE_ALL_MULTICAST \
|USB_CDC_PACKET_TYPE_PROMISCUOUS \
|USB_CDC_PACKET_TYPE_DIRECTED)
enum skb_state {
illegal = 0,
tx_start, tx_done,
rx_start, rx_done, rx_cleanup,
unlink_start
};
struct skb_data {
struct urb *urb;
struct usbnet *dev;
enum skb_state state;
size_t length;
};
extern int usbnet_open(struct net_device *net);
extern int usbnet_stop(struct net_device *net);
extern netdev_tx_t usbnet_start_xmit(struct sk_buff *skb,
struct net_device *net);
extern void usbnet_tx_timeout(struct net_device *net);
extern int usbnet_change_mtu(struct net_device *net, int new_mtu);
extern int usbnet_get_endpoints(struct usbnet *, struct usb_interface *);
extern int usbnet_get_ethernet_addr(struct usbnet *, int);
extern void usbnet_defer_kevent(struct usbnet *, int);
extern void usbnet_skb_return(struct usbnet *, struct sk_buff *);
extern void usbnet_unlink_rx_urbs(struct usbnet *);
extern void usbnet_pause_rx(struct usbnet *);
extern void usbnet_resume_rx(struct usbnet *);
extern void usbnet_purge_paused_rxq(struct usbnet *);
extern int usbnet_get_settings(struct net_device *net,
struct ethtool_cmd *cmd);
extern int usbnet_set_settings(struct net_device *net,
struct ethtool_cmd *cmd);
extern u32 usbnet_get_link(struct net_device *net);
extern u32 usbnet_get_msglevel(struct net_device *);
extern void usbnet_set_msglevel(struct net_device *, u32);
extern void usbnet_get_drvinfo(struct net_device *, struct ethtool_drvinfo *);
extern int usbnet_nway_reset(struct net_device *net);
#endif
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