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22#ifndef __LINUX_USB_USBNET_H
23#define __LINUX_USB_USBNET_H
24
25
26struct usbnet {
27
28 struct usb_device *udev;
29 struct usb_interface *intf;
30 struct driver_info *driver_info;
31 const char *driver_name;
32 void *driver_priv;
33 wait_queue_head_t *wait;
34 struct mutex phy_mutex;
35 unsigned char suspend_count;
36
37
38 unsigned in, out;
39 struct usb_host_endpoint *status;
40 unsigned maxpacket;
41 struct timer_list delay;
42
43
44 struct net_device *net;
45 int msg_enable;
46 unsigned long data[5];
47 u32 xid;
48 u32 hard_mtu;
49 size_t rx_urb_size;
50 struct mii_if_info mii;
51
52
53 struct sk_buff_head rxq;
54 struct sk_buff_head txq;
55 struct sk_buff_head done;
56 struct sk_buff_head rxq_pause;
57 struct urb *interrupt;
58 struct usb_anchor deferred;
59 struct tasklet_struct bh;
60
61 struct work_struct kevent;
62 unsigned long flags;
63# define EVENT_TX_HALT 0
64# define EVENT_RX_HALT 1
65# define EVENT_RX_MEMORY 2
66# define EVENT_STS_SPLIT 3
67# define EVENT_LINK_RESET 4
68# define EVENT_RX_PAUSED 5
69# define EVENT_DEV_WAKING 6
70# define EVENT_DEV_ASLEEP 7
71# define EVENT_DEV_OPEN 8
72};
73
74static inline struct usb_driver *driver_of(struct usb_interface *intf)
75{
76 return to_usb_driver(intf->dev.driver);
77}
78
79
80struct driver_info {
81 char *description;
82
83 int flags;
84
85#define FLAG_FRAMING_NC 0x0001
86#define FLAG_FRAMING_GL 0x0002
87#define FLAG_FRAMING_Z 0x0004
88#define FLAG_FRAMING_RN 0x0008
89
90#define FLAG_NO_SETINT 0x0010
91#define FLAG_ETHER 0x0020
92
93#define FLAG_FRAMING_AX 0x0040
94#define FLAG_WLAN 0x0080
95#define FLAG_AVOID_UNLINK_URBS 0x0100
96#define FLAG_SEND_ZLP 0x0200
97#define FLAG_WWAN 0x0400
98
99#define FLAG_LINK_INTR 0x0800
100
101#define FLAG_POINTTOPOINT 0x1000
102
103
104
105
106
107#define FLAG_MULTI_PACKET 0x2000
108#define FLAG_RX_ASSEMBLE 0x4000
109
110
111 int (*bind)(struct usbnet *, struct usb_interface *);
112
113
114 void (*unbind)(struct usbnet *, struct usb_interface *);
115
116
117 int (*reset)(struct usbnet *);
118
119
120 int (*stop)(struct usbnet *);
121
122
123 int (*check_connect)(struct usbnet *);
124
125
126 int (*manage_power)(struct usbnet *, int);
127
128
129 void (*status)(struct usbnet *, struct urb *);
130
131
132 int (*link_reset)(struct usbnet *);
133
134
135 int (*rx_fixup)(struct usbnet *dev, struct sk_buff *skb);
136
137
138 struct sk_buff *(*tx_fixup)(struct usbnet *dev,
139 struct sk_buff *skb, gfp_t flags);
140
141
142
143
144 int (*early_init)(struct usbnet *dev);
145
146
147 void (*indication)(struct usbnet *dev, void *ind, int indlen);
148
149
150 int in;
151 int out;
152
153 unsigned long data;
154};
155
156
157
158
159
160extern int usbnet_probe(struct usb_interface *, const struct usb_device_id *);
161extern int usbnet_suspend(struct usb_interface *, pm_message_t);
162extern int usbnet_resume(struct usb_interface *);
163extern void usbnet_disconnect(struct usb_interface *);
164
165
166
167
168
169
170struct cdc_state {
171 struct usb_cdc_header_desc *header;
172 struct usb_cdc_union_desc *u;
173 struct usb_cdc_ether_desc *ether;
174 struct usb_interface *control;
175 struct usb_interface *data;
176};
177
178extern int usbnet_generic_cdc_bind(struct usbnet *, struct usb_interface *);
179extern int usbnet_cdc_bind(struct usbnet *, struct usb_interface *);
180extern void usbnet_cdc_unbind(struct usbnet *, struct usb_interface *);
181extern void usbnet_cdc_status(struct usbnet *, struct urb *);
182
183
184#define DEFAULT_FILTER (USB_CDC_PACKET_TYPE_BROADCAST \
185 |USB_CDC_PACKET_TYPE_ALL_MULTICAST \
186 |USB_CDC_PACKET_TYPE_PROMISCUOUS \
187 |USB_CDC_PACKET_TYPE_DIRECTED)
188
189
190
191enum skb_state {
192 illegal = 0,
193 tx_start, tx_done,
194 rx_start, rx_done, rx_cleanup,
195 unlink_start
196};
197
198struct skb_data {
199 struct urb *urb;
200 struct usbnet *dev;
201 enum skb_state state;
202 size_t length;
203};
204
205extern int usbnet_open(struct net_device *net);
206extern int usbnet_stop(struct net_device *net);
207extern netdev_tx_t usbnet_start_xmit(struct sk_buff *skb,
208 struct net_device *net);
209extern void usbnet_tx_timeout(struct net_device *net);
210extern int usbnet_change_mtu(struct net_device *net, int new_mtu);
211
212extern int usbnet_get_endpoints(struct usbnet *, struct usb_interface *);
213extern int usbnet_get_ethernet_addr(struct usbnet *, int);
214extern void usbnet_defer_kevent(struct usbnet *, int);
215extern void usbnet_skb_return(struct usbnet *, struct sk_buff *);
216extern void usbnet_unlink_rx_urbs(struct usbnet *);
217
218extern void usbnet_pause_rx(struct usbnet *);
219extern void usbnet_resume_rx(struct usbnet *);
220extern void usbnet_purge_paused_rxq(struct usbnet *);
221
222extern int usbnet_get_settings(struct net_device *net,
223 struct ethtool_cmd *cmd);
224extern int usbnet_set_settings(struct net_device *net,
225 struct ethtool_cmd *cmd);
226extern u32 usbnet_get_link(struct net_device *net);
227extern u32 usbnet_get_msglevel(struct net_device *);
228extern void usbnet_set_msglevel(struct net_device *, u32);
229extern void usbnet_get_drvinfo(struct net_device *, struct ethtool_drvinfo *);
230extern int usbnet_nway_reset(struct net_device *net);
231
232#endif
233