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23#ifndef __LINUX_USB_USBNET_H
24#define __LINUX_USB_USBNET_H
25
26
27struct usbnet {
28
29 struct usb_device *udev;
30 struct usb_interface *intf;
31 const struct driver_info *driver_info;
32 const char *driver_name;
33 void *driver_priv;
34 wait_queue_head_t wait;
35 struct mutex phy_mutex;
36 unsigned char suspend_count;
37 unsigned char pkt_cnt, pkt_err;
38 unsigned short rx_qlen, tx_qlen;
39 unsigned can_dma_sg:1;
40
41
42 unsigned in, out;
43 struct usb_host_endpoint *status;
44 unsigned maxpacket;
45 struct timer_list delay;
46 const char *padding_pkt;
47
48
49 struct net_device *net;
50 int msg_enable;
51 unsigned long data[5];
52 u32 xid;
53 u32 hard_mtu;
54 size_t rx_urb_size;
55 struct mii_if_info mii;
56 long rx_speed;
57 long tx_speed;
58# define SPEED_UNSET -1
59
60
61 struct sk_buff_head rxq;
62 struct sk_buff_head txq;
63 struct sk_buff_head done;
64 struct sk_buff_head rxq_pause;
65 struct urb *interrupt;
66 unsigned interrupt_count;
67 struct mutex interrupt_mutex;
68 struct usb_anchor deferred;
69 struct tasklet_struct bh;
70
71 struct work_struct kevent;
72 unsigned long flags;
73# define EVENT_TX_HALT 0
74# define EVENT_RX_HALT 1
75# define EVENT_RX_MEMORY 2
76# define EVENT_STS_SPLIT 3
77# define EVENT_LINK_RESET 4
78# define EVENT_RX_PAUSED 5
79# define EVENT_DEV_ASLEEP 6
80# define EVENT_DEV_OPEN 7
81# define EVENT_DEVICE_REPORT_IDLE 8
82# define EVENT_NO_RUNTIME_PM 9
83# define EVENT_RX_KILL 10
84# define EVENT_LINK_CHANGE 11
85# define EVENT_SET_RX_MODE 12
86# define EVENT_NO_IP_ALIGN 13
87};
88
89static inline struct usb_driver *driver_of(struct usb_interface *intf)
90{
91 return to_usb_driver(intf->dev.driver);
92}
93
94
95struct driver_info {
96 char *description;
97
98 int flags;
99
100#define FLAG_FRAMING_NC 0x0001
101#define FLAG_FRAMING_GL 0x0002
102#define FLAG_FRAMING_Z 0x0004
103#define FLAG_FRAMING_RN 0x0008
104
105#define FLAG_NO_SETINT 0x0010
106#define FLAG_ETHER 0x0020
107
108#define FLAG_FRAMING_AX 0x0040
109#define FLAG_WLAN 0x0080
110#define FLAG_AVOID_UNLINK_URBS 0x0100
111#define FLAG_SEND_ZLP 0x0200
112#define FLAG_WWAN 0x0400
113
114#define FLAG_LINK_INTR 0x0800
115
116#define FLAG_POINTTOPOINT 0x1000
117
118
119
120
121
122#define FLAG_MULTI_PACKET 0x2000
123#define FLAG_RX_ASSEMBLE 0x4000
124#define FLAG_NOARP 0x8000
125
126
127 int (*bind)(struct usbnet *, struct usb_interface *);
128
129
130 void (*unbind)(struct usbnet *, struct usb_interface *);
131
132
133 int (*reset)(struct usbnet *);
134
135
136 int (*stop)(struct usbnet *);
137
138
139 int (*check_connect)(struct usbnet *);
140
141
142 int (*manage_power)(struct usbnet *, int);
143
144
145 void (*status)(struct usbnet *, struct urb *);
146
147
148 int (*link_reset)(struct usbnet *);
149
150
151 int (*rx_fixup)(struct usbnet *dev, struct sk_buff *skb);
152
153
154 struct sk_buff *(*tx_fixup)(struct usbnet *dev,
155 struct sk_buff *skb, gfp_t flags);
156
157
158 void (*recover)(struct usbnet *dev);
159
160
161
162
163 int (*early_init)(struct usbnet *dev);
164
165
166 void (*indication)(struct usbnet *dev, void *ind, int indlen);
167
168
169 void (*set_rx_mode)(struct usbnet *dev);
170
171
172 int in;
173 int out;
174
175 unsigned long data;
176};
177
178
179
180
181
182extern int usbnet_probe(struct usb_interface *, const struct usb_device_id *);
183extern int usbnet_suspend(struct usb_interface *, pm_message_t);
184extern int usbnet_resume(struct usb_interface *);
185extern void usbnet_disconnect(struct usb_interface *);
186extern void usbnet_device_suggests_idle(struct usbnet *dev);
187
188extern int usbnet_read_cmd(struct usbnet *dev, u8 cmd, u8 reqtype,
189 u16 value, u16 index, void *data, u16 size);
190extern int usbnet_write_cmd(struct usbnet *dev, u8 cmd, u8 reqtype,
191 u16 value, u16 index, const void *data, u16 size);
192extern int usbnet_read_cmd_nopm(struct usbnet *dev, u8 cmd, u8 reqtype,
193 u16 value, u16 index, void *data, u16 size);
194extern int usbnet_write_cmd_nopm(struct usbnet *dev, u8 cmd, u8 reqtype,
195 u16 value, u16 index, const void *data, u16 size);
196extern int usbnet_write_cmd_async(struct usbnet *dev, u8 cmd, u8 reqtype,
197 u16 value, u16 index, const void *data, u16 size);
198
199
200
201
202
203struct cdc_state {
204 struct usb_cdc_header_desc *header;
205 struct usb_cdc_union_desc *u;
206 struct usb_cdc_ether_desc *ether;
207 struct usb_interface *control;
208 struct usb_interface *data;
209};
210
211extern void usbnet_cdc_update_filter(struct usbnet *dev);
212extern int usbnet_generic_cdc_bind(struct usbnet *, struct usb_interface *);
213extern int usbnet_ether_cdc_bind(struct usbnet *dev, struct usb_interface *intf);
214extern int usbnet_cdc_bind(struct usbnet *, struct usb_interface *);
215extern void usbnet_cdc_unbind(struct usbnet *, struct usb_interface *);
216extern void usbnet_cdc_status(struct usbnet *, struct urb *);
217
218
219#define DEFAULT_FILTER (USB_CDC_PACKET_TYPE_BROADCAST \
220 |USB_CDC_PACKET_TYPE_ALL_MULTICAST \
221 |USB_CDC_PACKET_TYPE_PROMISCUOUS \
222 |USB_CDC_PACKET_TYPE_DIRECTED)
223
224
225
226enum skb_state {
227 illegal = 0,
228 tx_start, tx_done,
229 rx_start, rx_done, rx_cleanup,
230 unlink_start
231};
232
233struct skb_data {
234 struct urb *urb;
235 struct usbnet *dev;
236 enum skb_state state;
237 long length;
238 unsigned long packets;
239};
240
241
242
243
244static inline void
245usbnet_set_skb_tx_stats(struct sk_buff *skb,
246 unsigned long packets, long bytes_delta)
247{
248 struct skb_data *entry = (struct skb_data *) skb->cb;
249
250 entry->packets = packets;
251 entry->length = bytes_delta;
252}
253
254extern int usbnet_open(struct net_device *net);
255extern int usbnet_stop(struct net_device *net);
256extern netdev_tx_t usbnet_start_xmit(struct sk_buff *skb,
257 struct net_device *net);
258extern void usbnet_tx_timeout(struct net_device *net, unsigned int txqueue);
259extern int usbnet_change_mtu(struct net_device *net, int new_mtu);
260
261extern int usbnet_get_endpoints(struct usbnet *, struct usb_interface *);
262extern int usbnet_get_ethernet_addr(struct usbnet *, int);
263extern void usbnet_defer_kevent(struct usbnet *, int);
264extern void usbnet_skb_return(struct usbnet *, struct sk_buff *);
265extern void usbnet_unlink_rx_urbs(struct usbnet *);
266
267extern void usbnet_pause_rx(struct usbnet *);
268extern void usbnet_resume_rx(struct usbnet *);
269extern void usbnet_purge_paused_rxq(struct usbnet *);
270
271extern int usbnet_get_link_ksettings_mii(struct net_device *net,
272 struct ethtool_link_ksettings *cmd);
273extern int usbnet_set_link_ksettings_mii(struct net_device *net,
274 const struct ethtool_link_ksettings *cmd);
275extern int usbnet_get_link_ksettings_internal(struct net_device *net,
276 struct ethtool_link_ksettings *cmd);
277extern u32 usbnet_get_link(struct net_device *net);
278extern u32 usbnet_get_msglevel(struct net_device *);
279extern void usbnet_set_msglevel(struct net_device *, u32);
280extern void usbnet_set_rx_mode(struct net_device *net);
281extern void usbnet_get_drvinfo(struct net_device *, struct ethtool_drvinfo *);
282extern int usbnet_nway_reset(struct net_device *net);
283
284extern int usbnet_manage_power(struct usbnet *, int);
285extern void usbnet_link_change(struct usbnet *, bool, bool);
286
287extern int usbnet_status_start(struct usbnet *dev, gfp_t mem_flags);
288extern void usbnet_status_stop(struct usbnet *dev);
289
290extern void usbnet_update_max_qlen(struct usbnet *dev);
291
292#endif
293