Commit | Line | Data |
---|---|---|
876c9d3a MT |
1 | /** |
2 | * This file contains functions used in USB interface module. | |
3 | */ | |
4 | #include <linux/delay.h> | |
084708b6 | 5 | #include <linux/moduleparam.h> |
876c9d3a MT |
6 | #include <linux/firmware.h> |
7 | #include <linux/netdevice.h> | |
435a1acb | 8 | #include <linux/list.h> |
876c9d3a MT |
9 | #include <linux/usb.h> |
10 | ||
ec3eef28 HS |
11 | #define DRV_NAME "usb8xxx" |
12 | ||
876c9d3a | 13 | #include "host.h" |
876c9d3a MT |
14 | #include "decl.h" |
15 | #include "defs.h" | |
16 | #include "dev.h" | |
17 | #include "if_usb.h" | |
eedc2a31 | 18 | #include "decl.h" |
876c9d3a MT |
19 | |
20 | #define MESSAGE_HEADER_LEN 4 | |
21 | ||
22 | static const char usbdriver_name[] = "usb8xxx"; | |
084708b6 HS |
23 | static u8 *default_fw_name = "usb8388.bin"; |
24 | ||
ac558ca2 | 25 | static char *libertas_fw_name = NULL; |
084708b6 HS |
26 | module_param_named(fw_name, libertas_fw_name, charp, 0644); |
27 | ||
435a1acb HS |
28 | /* |
29 | * We need to send a RESET command to all USB devices before | |
30 | * we tear down the USB connection. Otherwise we would not | |
31 | * be able to re-init device the device if the module gets | |
32 | * loaded again. This is a list of all initialized USB devices, | |
33 | * for the reset code see if_usb_reset_device() | |
34 | */ | |
35 | static LIST_HEAD(usb_devices); | |
3874d0fe | 36 | |
876c9d3a MT |
37 | static struct usb_device_id if_usb_table[] = { |
38 | /* Enter the device signature inside */ | |
66fcc559 HS |
39 | { USB_DEVICE(0x1286, 0x2001) }, |
40 | { USB_DEVICE(0x05a3, 0x8388) }, | |
876c9d3a MT |
41 | {} /* Terminating entry */ |
42 | }; | |
43 | ||
44 | MODULE_DEVICE_TABLE(usb, if_usb_table); | |
45 | ||
46 | static void if_usb_receive(struct urb *urb); | |
47 | static void if_usb_receive_fwload(struct urb *urb); | |
208fdd2f HS |
48 | static int if_usb_register_dev(wlan_private * priv); |
49 | static int if_usb_unregister_dev(wlan_private *); | |
50 | static int if_usb_prog_firmware(wlan_private *); | |
51 | static int if_usb_host_to_card(wlan_private * priv, u8 type, u8 * payload, u16 nb); | |
52 | static int if_usb_get_int_status(wlan_private * priv, u8 *); | |
53 | static int if_usb_read_event_cause(wlan_private *); | |
ac558ca2 HS |
54 | static int usb_tx_block(wlan_private *priv, u8 *payload, u16 nb); |
55 | static void if_usb_free(struct usb_card_rec *cardp); | |
876c9d3a MT |
56 | |
57 | /** | |
58 | * @brief call back function to handle the status of the URB | |
59 | * @param urb pointer to urb structure | |
60 | * @return N/A | |
61 | */ | |
62 | static void if_usb_write_bulk_callback(struct urb *urb) | |
63 | { | |
64 | wlan_private *priv = (wlan_private *) (urb->context); | |
65 | wlan_adapter *adapter = priv->adapter; | |
634b8f49 | 66 | struct net_device *dev = priv->dev; |
876c9d3a MT |
67 | |
68 | /* handle the transmission complete validations */ | |
69 | ||
70 | if (urb->status != 0) { | |
71 | /* print the failure status number for debug */ | |
b46794df | 72 | lbs_pr_info("URB in failure status: %d\n", urb->status); |
876c9d3a | 73 | } else { |
9012b28a HS |
74 | /* |
75 | lbs_deb_usbd(&urb->dev->dev, "URB status is successfull\n"); | |
76 | lbs_deb_usbd(&urb->dev->dev, "Actual length transmitted %d\n", | |
876c9d3a | 77 | urb->actual_length); |
9012b28a | 78 | */ |
634b8f49 | 79 | priv->dnld_sent = DNLD_RES_RECEIVED; |
876c9d3a MT |
80 | /* Wake main thread if commands are pending */ |
81 | if (!adapter->cur_cmd) | |
fe336150 | 82 | wake_up_interruptible(&priv->waitq); |
0aef64d7 | 83 | if ((adapter->connect_status == LIBERTAS_CONNECTED)) { |
876c9d3a | 84 | netif_wake_queue(dev); |
51d84f50 JC |
85 | netif_wake_queue(priv->mesh_dev); |
86 | } | |
876c9d3a MT |
87 | } |
88 | ||
89 | return; | |
90 | } | |
91 | ||
92 | /** | |
93 | * @brief free tx/rx urb, skb and rx buffer | |
94 | * @param cardp pointer usb_card_rec | |
95 | * @return N/A | |
96 | */ | |
ac558ca2 | 97 | static void if_usb_free(struct usb_card_rec *cardp) |
876c9d3a | 98 | { |
9012b28a | 99 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a MT |
100 | |
101 | /* Unlink tx & rx urb */ | |
102 | usb_kill_urb(cardp->tx_urb); | |
103 | usb_kill_urb(cardp->rx_urb); | |
104 | ||
105 | usb_free_urb(cardp->tx_urb); | |
106 | cardp->tx_urb = NULL; | |
107 | ||
108 | usb_free_urb(cardp->rx_urb); | |
109 | cardp->rx_urb = NULL; | |
110 | ||
111 | kfree(cardp->bulk_out_buffer); | |
112 | cardp->bulk_out_buffer = NULL; | |
113 | ||
9012b28a | 114 | lbs_deb_leave(LBS_DEB_USB); |
876c9d3a MT |
115 | } |
116 | ||
117 | /** | |
118 | * @brief sets the configuration values | |
119 | * @param ifnum interface number | |
120 | * @param id pointer to usb_device_id | |
121 | * @return 0 on success, error code on failure | |
122 | */ | |
123 | static int if_usb_probe(struct usb_interface *intf, | |
124 | const struct usb_device_id *id) | |
125 | { | |
126 | struct usb_device *udev; | |
127 | struct usb_host_interface *iface_desc; | |
128 | struct usb_endpoint_descriptor *endpoint; | |
78523daa | 129 | wlan_private *priv; |
435a1acb | 130 | struct usb_card_rec *cardp; |
876c9d3a MT |
131 | int i; |
132 | ||
133 | udev = interface_to_usbdev(intf); | |
134 | ||
435a1acb HS |
135 | cardp = kzalloc(sizeof(struct usb_card_rec), GFP_KERNEL); |
136 | if (!cardp) { | |
876c9d3a MT |
137 | lbs_pr_err("Out of memory allocating private data.\n"); |
138 | goto error; | |
139 | } | |
140 | ||
435a1acb | 141 | cardp->udev = udev; |
876c9d3a MT |
142 | iface_desc = intf->cur_altsetting; |
143 | ||
9012b28a | 144 | lbs_deb_usbd(&udev->dev, "bcdUSB = 0x%X bDeviceClass = 0x%X" |
876c9d3a | 145 | " bDeviceSubClass = 0x%X, bDeviceProtocol = 0x%X\n", |
981f187b DW |
146 | le16_to_cpu(udev->descriptor.bcdUSB), |
147 | udev->descriptor.bDeviceClass, | |
148 | udev->descriptor.bDeviceSubClass, | |
149 | udev->descriptor.bDeviceProtocol); | |
876c9d3a MT |
150 | |
151 | for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) { | |
152 | endpoint = &iface_desc->endpoint[i].desc; | |
153 | if ((endpoint->bEndpointAddress & USB_ENDPOINT_DIR_MASK) | |
154 | && ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == | |
155 | USB_ENDPOINT_XFER_BULK)) { | |
156 | /* we found a bulk in endpoint */ | |
9012b28a | 157 | lbs_deb_usbd(&udev->dev, "Bulk in size is %d\n", |
981f187b DW |
158 | le16_to_cpu(endpoint->wMaxPacketSize)); |
159 | if (!(cardp->rx_urb = usb_alloc_urb(0, GFP_KERNEL))) { | |
9012b28a | 160 | lbs_deb_usbd(&udev->dev, |
876c9d3a MT |
161 | "Rx URB allocation failed\n"); |
162 | goto dealloc; | |
163 | } | |
435a1acb | 164 | cardp->rx_urb_recall = 0; |
876c9d3a | 165 | |
435a1acb | 166 | cardp->bulk_in_size = |
981f187b | 167 | le16_to_cpu(endpoint->wMaxPacketSize); |
435a1acb | 168 | cardp->bulk_in_endpointAddr = |
876c9d3a MT |
169 | (endpoint-> |
170 | bEndpointAddress & USB_ENDPOINT_NUMBER_MASK); | |
9012b28a | 171 | lbs_deb_usbd(&udev->dev, "in_endpoint = %d\n", |
876c9d3a MT |
172 | endpoint->bEndpointAddress); |
173 | } | |
174 | ||
175 | if (((endpoint-> | |
176 | bEndpointAddress & USB_ENDPOINT_DIR_MASK) == | |
177 | USB_DIR_OUT) | |
178 | && ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == | |
179 | USB_ENDPOINT_XFER_BULK)) { | |
180 | /* We found bulk out endpoint */ | |
981f187b | 181 | if (!(cardp->tx_urb = usb_alloc_urb(0, GFP_KERNEL))) { |
9012b28a | 182 | lbs_deb_usbd(&udev->dev, |
876c9d3a MT |
183 | "Tx URB allocation failed\n"); |
184 | goto dealloc; | |
185 | } | |
186 | ||
435a1acb | 187 | cardp->bulk_out_size = |
981f187b | 188 | le16_to_cpu(endpoint->wMaxPacketSize); |
9012b28a | 189 | lbs_deb_usbd(&udev->dev, |
981f187b DW |
190 | "Bulk out size is %d\n", |
191 | le16_to_cpu(endpoint->wMaxPacketSize)); | |
435a1acb | 192 | cardp->bulk_out_endpointAddr = |
876c9d3a | 193 | endpoint->bEndpointAddress; |
9012b28a | 194 | lbs_deb_usbd(&udev->dev, "out_endpoint = %d\n", |
876c9d3a | 195 | endpoint->bEndpointAddress); |
435a1acb | 196 | cardp->bulk_out_buffer = |
876c9d3a MT |
197 | kmalloc(MRVDRV_ETH_TX_PACKET_BUFFER_SIZE, |
198 | GFP_KERNEL); | |
199 | ||
435a1acb | 200 | if (!cardp->bulk_out_buffer) { |
9012b28a | 201 | lbs_deb_usbd(&udev->dev, |
876c9d3a MT |
202 | "Could not allocate buffer\n"); |
203 | goto dealloc; | |
204 | } | |
205 | } | |
206 | } | |
207 | ||
7732ca45 | 208 | if (!(priv = libertas_add_card(cardp, &udev->dev))) |
78523daa | 209 | goto dealloc; |
3874d0fe | 210 | |
7732ca45 | 211 | if (libertas_add_mesh(priv, &udev->dev)) |
6a812157 | 212 | goto err_add_mesh; |
51d84f50 | 213 | |
208fdd2f HS |
214 | priv->hw_register_dev = if_usb_register_dev; |
215 | priv->hw_unregister_dev = if_usb_unregister_dev; | |
216 | priv->hw_prog_firmware = if_usb_prog_firmware; | |
217 | priv->hw_host_to_card = if_usb_host_to_card; | |
218 | priv->hw_get_int_status = if_usb_get_int_status; | |
219 | priv->hw_read_event_cause = if_usb_read_event_cause; | |
220 | ||
1df4e8fe | 221 | if (libertas_activate_card(priv)) |
6a812157 | 222 | goto err_activate_card; |
32a74b7c | 223 | |
435a1acb | 224 | list_add_tail(&cardp->list, &usb_devices); |
3874d0fe | 225 | |
876c9d3a | 226 | usb_get_dev(udev); |
435a1acb | 227 | usb_set_intfdata(intf, cardp); |
876c9d3a | 228 | |
876c9d3a MT |
229 | return 0; |
230 | ||
6a812157 | 231 | err_activate_card: |
c7236831 | 232 | libertas_remove_mesh(priv); |
6a812157 | 233 | err_add_mesh: |
634b8f49 | 234 | free_netdev(priv->dev); |
6a812157 | 235 | kfree(priv->adapter); |
876c9d3a | 236 | dealloc: |
435a1acb | 237 | if_usb_free(cardp); |
876c9d3a MT |
238 | |
239 | error: | |
240 | return -ENOMEM; | |
241 | } | |
242 | ||
243 | /** | |
244 | * @brief free resource and cleanup | |
435a1acb | 245 | * @param intf USB interface structure |
876c9d3a MT |
246 | * @return N/A |
247 | */ | |
248 | static void if_usb_disconnect(struct usb_interface *intf) | |
249 | { | |
250 | struct usb_card_rec *cardp = usb_get_intfdata(intf); | |
251 | wlan_private *priv = (wlan_private *) cardp->priv; | |
252 | wlan_adapter *adapter = NULL; | |
253 | ||
254 | adapter = priv->adapter; | |
255 | ||
256 | /* | |
257 | * Update Surprise removed to TRUE | |
258 | */ | |
259 | adapter->surpriseremoved = 1; | |
260 | ||
435a1acb | 261 | list_del(&cardp->list); |
3874d0fe | 262 | |
876c9d3a | 263 | /* card is removed and we can call wlan_remove_card */ |
9012b28a | 264 | lbs_deb_usbd(&cardp->udev->dev, "call remove card\n"); |
084708b6 HS |
265 | libertas_remove_mesh(priv); |
266 | libertas_remove_card(priv); | |
876c9d3a MT |
267 | |
268 | /* Unlink and free urb */ | |
269 | if_usb_free(cardp); | |
270 | ||
271 | usb_set_intfdata(intf, NULL); | |
272 | usb_put_dev(interface_to_usbdev(intf)); | |
273 | ||
274 | return; | |
275 | } | |
276 | ||
277 | /** | |
278 | * @brief This function download FW | |
279 | * @param priv pointer to wlan_private | |
280 | * @return 0 | |
281 | */ | |
282 | static int if_prog_firmware(wlan_private * priv) | |
283 | { | |
634b8f49 | 284 | struct usb_card_rec *cardp = priv->card; |
876c9d3a MT |
285 | struct FWData *fwdata; |
286 | struct fwheader *fwheader; | |
287 | u8 *firmware = priv->firmware->data; | |
288 | ||
289 | fwdata = kmalloc(sizeof(struct FWData), GFP_ATOMIC); | |
290 | ||
291 | if (!fwdata) | |
292 | return -1; | |
293 | ||
294 | fwheader = &fwdata->fwheader; | |
295 | ||
296 | if (!cardp->CRC_OK) { | |
297 | cardp->totalbytes = cardp->fwlastblksent; | |
298 | cardp->fwseqnum = cardp->lastseqnum - 1; | |
299 | } | |
300 | ||
9012b28a HS |
301 | /* |
302 | lbs_deb_usbd(&cardp->udev->dev, "totalbytes = %d\n", | |
876c9d3a | 303 | cardp->totalbytes); |
9012b28a | 304 | */ |
876c9d3a MT |
305 | |
306 | memcpy(fwheader, &firmware[cardp->totalbytes], | |
307 | sizeof(struct fwheader)); | |
308 | ||
309 | cardp->fwlastblksent = cardp->totalbytes; | |
310 | cardp->totalbytes += sizeof(struct fwheader); | |
311 | ||
9012b28a | 312 | /* lbs_deb_usbd(&cardp->udev->dev,"Copy Data\n"); */ |
876c9d3a | 313 | memcpy(fwdata->data, &firmware[cardp->totalbytes], |
981f187b | 314 | le32_to_cpu(fwdata->fwheader.datalength)); |
876c9d3a | 315 | |
9012b28a HS |
316 | /* |
317 | lbs_deb_usbd(&cardp->udev->dev, | |
bb793e2b | 318 | "Data length = %d\n", le32_to_cpu(fwdata->fwheader.datalength)); |
9012b28a | 319 | */ |
876c9d3a MT |
320 | |
321 | cardp->fwseqnum = cardp->fwseqnum + 1; | |
322 | ||
981f187b DW |
323 | fwdata->seqnum = cpu_to_le32(cardp->fwseqnum); |
324 | cardp->lastseqnum = cardp->fwseqnum; | |
325 | cardp->totalbytes += le32_to_cpu(fwdata->fwheader.datalength); | |
876c9d3a | 326 | |
981f187b | 327 | if (fwheader->dnldcmd == cpu_to_le32(FW_HAS_DATA_TO_RECV)) { |
9012b28a | 328 | /* |
981f187b | 329 | lbs_deb_usbd(&cardp->udev->dev, "There are data to follow\n"); |
9012b28a | 330 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
331 | "seqnum = %d totalbytes = %d\n", cardp->fwseqnum, |
332 | cardp->totalbytes); | |
9012b28a | 333 | */ |
876c9d3a MT |
334 | memcpy(cardp->bulk_out_buffer, fwheader, FW_DATA_XMIT_SIZE); |
335 | usb_tx_block(priv, cardp->bulk_out_buffer, FW_DATA_XMIT_SIZE); | |
336 | ||
bb793e2b | 337 | } else if (fwdata->fwheader.dnldcmd == cpu_to_le32(FW_HAS_LAST_BLOCK)) { |
9012b28a HS |
338 | /* |
339 | lbs_deb_usbd(&cardp->udev->dev, | |
876c9d3a | 340 | "Host has finished FW downloading\n"); |
9012b28a | 341 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a | 342 | "Donwloading FW JUMP BLOCK\n"); |
9012b28a | 343 | */ |
876c9d3a MT |
344 | memcpy(cardp->bulk_out_buffer, fwheader, FW_DATA_XMIT_SIZE); |
345 | usb_tx_block(priv, cardp->bulk_out_buffer, FW_DATA_XMIT_SIZE); | |
346 | cardp->fwfinalblk = 1; | |
347 | } | |
348 | ||
9012b28a HS |
349 | /* |
350 | lbs_deb_usbd(&cardp->udev->dev, | |
876c9d3a MT |
351 | "The firmware download is done size is %d\n", |
352 | cardp->totalbytes); | |
9012b28a | 353 | */ |
876c9d3a MT |
354 | |
355 | kfree(fwdata); | |
356 | ||
357 | return 0; | |
358 | } | |
359 | ||
eedc2a31 | 360 | static int if_usb_reset_device(wlan_private *priv) |
876c9d3a MT |
361 | { |
362 | int ret; | |
634b8f49 | 363 | struct usb_card_rec *cardp = priv->card; |
876c9d3a | 364 | |
3874d0fe HS |
365 | lbs_deb_enter(LBS_DEB_USB); |
366 | ||
eedc2a31 DW |
367 | /* Try a USB port reset first, if that fails send the reset |
368 | * command to the firmware. | |
369 | */ | |
876c9d3a MT |
370 | ret = usb_reset_device(cardp->udev); |
371 | if (!ret) { | |
372 | msleep(10); | |
eedc2a31 | 373 | ret = libertas_reset_device(priv); |
876c9d3a MT |
374 | msleep(10); |
375 | } | |
3874d0fe HS |
376 | |
377 | lbs_deb_leave_args(LBS_DEB_USB, "ret %d", ret); | |
378 | ||
876c9d3a MT |
379 | return ret; |
380 | } | |
381 | ||
382 | /** | |
383 | * @brief This function transfer the data to the device. | |
384 | * @param priv pointer to wlan_private | |
385 | * @param payload pointer to payload data | |
386 | * @param nb data length | |
387 | * @return 0 or -1 | |
388 | */ | |
ac558ca2 | 389 | static int usb_tx_block(wlan_private * priv, u8 * payload, u16 nb) |
876c9d3a MT |
390 | { |
391 | /* pointer to card structure */ | |
634b8f49 | 392 | struct usb_card_rec *cardp = priv->card; |
876c9d3a MT |
393 | int ret = -1; |
394 | ||
395 | /* check if device is removed */ | |
396 | if (priv->adapter->surpriseremoved) { | |
9012b28a | 397 | lbs_deb_usbd(&cardp->udev->dev, "Device removed\n"); |
876c9d3a MT |
398 | goto tx_ret; |
399 | } | |
400 | ||
401 | usb_fill_bulk_urb(cardp->tx_urb, cardp->udev, | |
402 | usb_sndbulkpipe(cardp->udev, | |
403 | cardp->bulk_out_endpointAddr), | |
404 | payload, nb, if_usb_write_bulk_callback, priv); | |
405 | ||
406 | cardp->tx_urb->transfer_flags |= URB_ZERO_PACKET; | |
407 | ||
408 | if ((ret = usb_submit_urb(cardp->tx_urb, GFP_ATOMIC))) { | |
409 | /* transfer failed */ | |
9012b28a | 410 | lbs_deb_usbd(&cardp->udev->dev, "usb_submit_urb failed\n"); |
876c9d3a MT |
411 | ret = -1; |
412 | } else { | |
9012b28a | 413 | /* lbs_deb_usbd(&cardp->udev->dev, "usb_submit_urb success\n"); */ |
876c9d3a MT |
414 | ret = 0; |
415 | } | |
416 | ||
417 | tx_ret: | |
418 | return ret; | |
419 | } | |
420 | ||
421 | static int __if_usb_submit_rx_urb(wlan_private * priv, | |
422 | void (*callbackfn) | |
423 | (struct urb *urb)) | |
424 | { | |
634b8f49 | 425 | struct usb_card_rec *cardp = priv->card; |
876c9d3a MT |
426 | struct sk_buff *skb; |
427 | struct read_cb_info *rinfo = &cardp->rinfo; | |
428 | int ret = -1; | |
429 | ||
430 | if (!(skb = dev_alloc_skb(MRVDRV_ETH_RX_PACKET_BUFFER_SIZE))) { | |
431 | lbs_pr_err("No free skb\n"); | |
432 | goto rx_ret; | |
433 | } | |
434 | ||
435 | rinfo->skb = skb; | |
436 | ||
437 | /* Fill the receive configuration URB and initialise the Rx call back */ | |
438 | usb_fill_bulk_urb(cardp->rx_urb, cardp->udev, | |
439 | usb_rcvbulkpipe(cardp->udev, | |
440 | cardp->bulk_in_endpointAddr), | |
4269e2ad | 441 | (void *) (skb->tail + (size_t) IPFIELD_ALIGN_OFFSET), |
876c9d3a MT |
442 | MRVDRV_ETH_RX_PACKET_BUFFER_SIZE, callbackfn, |
443 | rinfo); | |
444 | ||
445 | cardp->rx_urb->transfer_flags |= URB_ZERO_PACKET; | |
446 | ||
9012b28a | 447 | /* lbs_deb_usbd(&cardp->udev->dev, "Pointer for rx_urb %p\n", cardp->rx_urb); */ |
876c9d3a MT |
448 | if ((ret = usb_submit_urb(cardp->rx_urb, GFP_ATOMIC))) { |
449 | /* handle failure conditions */ | |
9012b28a | 450 | lbs_deb_usbd(&cardp->udev->dev, "Submit Rx URB failed\n"); |
876c9d3a MT |
451 | ret = -1; |
452 | } else { | |
9012b28a | 453 | /* lbs_deb_usbd(&cardp->udev->dev, "Submit Rx URB success\n"); */ |
876c9d3a MT |
454 | ret = 0; |
455 | } | |
456 | ||
457 | rx_ret: | |
458 | return ret; | |
459 | } | |
460 | ||
461 | static inline int if_usb_submit_rx_urb_fwload(wlan_private * priv) | |
462 | { | |
463 | return __if_usb_submit_rx_urb(priv, &if_usb_receive_fwload); | |
464 | } | |
465 | ||
466 | static inline int if_usb_submit_rx_urb(wlan_private * priv) | |
467 | { | |
468 | return __if_usb_submit_rx_urb(priv, &if_usb_receive); | |
469 | } | |
470 | ||
471 | static void if_usb_receive_fwload(struct urb *urb) | |
472 | { | |
473 | struct read_cb_info *rinfo = (struct read_cb_info *)urb->context; | |
474 | wlan_private *priv = rinfo->priv; | |
475 | struct sk_buff *skb = rinfo->skb; | |
634b8f49 | 476 | struct usb_card_rec *cardp = (struct usb_card_rec *)priv->card; |
876c9d3a MT |
477 | struct fwsyncheader *syncfwheader; |
478 | struct bootcmdrespStr bootcmdresp; | |
479 | ||
480 | if (urb->status) { | |
9012b28a | 481 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
482 | "URB status is failed during fw load\n"); |
483 | kfree_skb(skb); | |
484 | return; | |
485 | } | |
486 | ||
487 | if (cardp->bootcmdresp == 0) { | |
488 | memcpy (&bootcmdresp, skb->data + IPFIELD_ALIGN_OFFSET, | |
489 | sizeof(bootcmdresp)); | |
981f187b | 490 | if (le16_to_cpu(cardp->udev->descriptor.bcdDevice) < 0x3106) { |
876c9d3a MT |
491 | kfree_skb(skb); |
492 | if_usb_submit_rx_urb_fwload(priv); | |
493 | cardp->bootcmdresp = 1; | |
9012b28a | 494 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
495 | "Received valid boot command response\n"); |
496 | return; | |
497 | } | |
981f187b | 498 | if (bootcmdresp.u32magicnumber != cpu_to_le32(BOOT_CMD_MAGIC_NUMBER)) { |
876c9d3a MT |
499 | lbs_pr_info( |
500 | "boot cmd response wrong magic number (0x%x)\n", | |
981f187b | 501 | le32_to_cpu(bootcmdresp.u32magicnumber)); |
876c9d3a MT |
502 | } else if (bootcmdresp.u8cmd_tag != BOOT_CMD_FW_BY_USB) { |
503 | lbs_pr_info( | |
504 | "boot cmd response cmd_tag error (%d)\n", | |
505 | bootcmdresp.u8cmd_tag); | |
506 | } else if (bootcmdresp.u8result != BOOT_CMD_RESP_OK) { | |
507 | lbs_pr_info( | |
508 | "boot cmd response result error (%d)\n", | |
509 | bootcmdresp.u8result); | |
510 | } else { | |
511 | cardp->bootcmdresp = 1; | |
9012b28a | 512 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
513 | "Received valid boot command response\n"); |
514 | } | |
515 | kfree_skb(skb); | |
516 | if_usb_submit_rx_urb_fwload(priv); | |
517 | return; | |
518 | } | |
519 | ||
520 | syncfwheader = kmalloc(sizeof(struct fwsyncheader), GFP_ATOMIC); | |
521 | if (!syncfwheader) { | |
9012b28a | 522 | lbs_deb_usbd(&cardp->udev->dev, "Failure to allocate syncfwheader\n"); |
876c9d3a MT |
523 | kfree_skb(skb); |
524 | return; | |
525 | } | |
526 | ||
527 | memcpy(syncfwheader, skb->data + IPFIELD_ALIGN_OFFSET, | |
528 | sizeof(struct fwsyncheader)); | |
529 | ||
530 | if (!syncfwheader->cmd) { | |
9012b28a HS |
531 | /* |
532 | lbs_deb_usbd(&cardp->udev->dev, | |
876c9d3a | 533 | "FW received Blk with correct CRC\n"); |
9012b28a | 534 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
535 | "FW received Blk seqnum = %d\n", |
536 | syncfwheader->seqnum); | |
9012b28a | 537 | */ |
876c9d3a MT |
538 | cardp->CRC_OK = 1; |
539 | } else { | |
9012b28a | 540 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
541 | "FW received Blk with CRC error\n"); |
542 | cardp->CRC_OK = 0; | |
543 | } | |
544 | ||
545 | kfree_skb(skb); | |
546 | ||
547 | if (cardp->fwfinalblk) { | |
548 | cardp->fwdnldover = 1; | |
549 | goto exit; | |
550 | } | |
551 | ||
552 | if_prog_firmware(priv); | |
553 | ||
554 | if_usb_submit_rx_urb_fwload(priv); | |
555 | exit: | |
556 | kfree(syncfwheader); | |
557 | ||
558 | return; | |
559 | ||
560 | } | |
561 | ||
562 | #define MRVDRV_MIN_PKT_LEN 30 | |
563 | ||
564 | static inline void process_cmdtypedata(int recvlength, struct sk_buff *skb, | |
565 | struct usb_card_rec *cardp, | |
566 | wlan_private *priv) | |
567 | { | |
568 | if (recvlength > MRVDRV_ETH_RX_PACKET_BUFFER_SIZE + | |
569 | MESSAGE_HEADER_LEN || recvlength < MRVDRV_MIN_PKT_LEN) { | |
9012b28a | 570 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
571 | "Packet length is Invalid\n"); |
572 | kfree_skb(skb); | |
573 | return; | |
574 | } | |
575 | ||
576 | skb_reserve(skb, IPFIELD_ALIGN_OFFSET); | |
577 | skb_put(skb, recvlength); | |
578 | skb_pull(skb, MESSAGE_HEADER_LEN); | |
579 | libertas_process_rxed_packet(priv, skb); | |
634b8f49 | 580 | priv->upld_len = (recvlength - MESSAGE_HEADER_LEN); |
876c9d3a MT |
581 | } |
582 | ||
583 | static inline void process_cmdrequest(int recvlength, u8 *recvbuff, | |
584 | struct sk_buff *skb, | |
585 | struct usb_card_rec *cardp, | |
586 | wlan_private *priv) | |
587 | { | |
588 | u8 *cmdbuf; | |
589 | if (recvlength > MRVDRV_SIZE_OF_CMD_BUFFER) { | |
9012b28a | 590 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
591 | "The receive buffer is too large\n"); |
592 | kfree_skb(skb); | |
593 | return; | |
594 | } | |
595 | ||
596 | if (!in_interrupt()) | |
597 | BUG(); | |
598 | ||
599 | spin_lock(&priv->adapter->driver_lock); | |
600 | /* take care of cur_cmd = NULL case by reading the | |
601 | * data to clear the interrupt */ | |
602 | if (!priv->adapter->cur_cmd) { | |
634b8f49 | 603 | cmdbuf = priv->upld_buf; |
c95c7f93 | 604 | priv->adapter->hisregcpy &= ~MRVDRV_CMD_UPLD_RDY; |
876c9d3a MT |
605 | } else |
606 | cmdbuf = priv->adapter->cur_cmd->bufvirtualaddr; | |
607 | ||
c95c7f93 | 608 | cardp->usb_int_cause |= MRVDRV_CMD_UPLD_RDY; |
634b8f49 | 609 | priv->upld_len = (recvlength - MESSAGE_HEADER_LEN); |
876c9d3a | 610 | memcpy(cmdbuf, recvbuff + MESSAGE_HEADER_LEN, |
634b8f49 | 611 | priv->upld_len); |
876c9d3a MT |
612 | |
613 | kfree_skb(skb); | |
634b8f49 | 614 | libertas_interrupt(priv->dev); |
876c9d3a MT |
615 | spin_unlock(&priv->adapter->driver_lock); |
616 | ||
9012b28a | 617 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
618 | "Wake up main thread to handle cmd response\n"); |
619 | ||
620 | return; | |
621 | } | |
622 | ||
623 | /** | |
624 | * @brief This function reads of the packet into the upload buff, | |
625 | * wake up the main thread and initialise the Rx callack. | |
626 | * | |
627 | * @param urb pointer to struct urb | |
628 | * @return N/A | |
629 | */ | |
630 | static void if_usb_receive(struct urb *urb) | |
631 | { | |
632 | struct read_cb_info *rinfo = (struct read_cb_info *)urb->context; | |
633 | wlan_private *priv = rinfo->priv; | |
634 | struct sk_buff *skb = rinfo->skb; | |
634b8f49 | 635 | struct usb_card_rec *cardp = (struct usb_card_rec *)priv->card; |
876c9d3a MT |
636 | |
637 | int recvlength = urb->actual_length; | |
638 | u8 *recvbuff = NULL; | |
639 | u32 recvtype; | |
640 | ||
9012b28a | 641 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a MT |
642 | |
643 | if (recvlength) { | |
644 | if (urb->status) { | |
9012b28a | 645 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
646 | "URB status is failed\n"); |
647 | kfree_skb(skb); | |
648 | goto setup_for_next; | |
649 | } | |
650 | ||
651 | recvbuff = skb->data + IPFIELD_ALIGN_OFFSET; | |
652 | memcpy(&recvtype, recvbuff, sizeof(u32)); | |
9012b28a | 653 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a | 654 | "Recv length = 0x%x\n", recvlength); |
9012b28a | 655 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
656 | "Receive type = 0x%X\n", recvtype); |
657 | recvtype = le32_to_cpu(recvtype); | |
9012b28a | 658 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
659 | "Receive type after = 0x%X\n", recvtype); |
660 | } else if (urb->status) | |
661 | goto rx_exit; | |
662 | ||
663 | ||
664 | switch (recvtype) { | |
665 | case CMD_TYPE_DATA: | |
666 | process_cmdtypedata(recvlength, skb, cardp, priv); | |
667 | break; | |
668 | ||
669 | case CMD_TYPE_REQUEST: | |
670 | process_cmdrequest(recvlength, recvbuff, skb, cardp, priv); | |
671 | break; | |
672 | ||
673 | case CMD_TYPE_INDICATION: | |
674 | /* Event cause handling */ | |
675 | spin_lock(&priv->adapter->driver_lock); | |
981f187b | 676 | cardp->usb_event_cause = le32_to_cpu(*(__le32 *) (recvbuff + MESSAGE_HEADER_LEN)); |
9012b28a | 677 | lbs_deb_usbd(&cardp->udev->dev,"**EVENT** 0x%X\n", |
876c9d3a MT |
678 | cardp->usb_event_cause); |
679 | if (cardp->usb_event_cause & 0xffff0000) { | |
680 | libertas_send_tx_feedback(priv); | |
12a4d265 | 681 | spin_unlock(&priv->adapter->driver_lock); |
876c9d3a MT |
682 | break; |
683 | } | |
981f187b | 684 | cardp->usb_event_cause <<= 3; |
c95c7f93 | 685 | cardp->usb_int_cause |= MRVDRV_CARDEVENT; |
876c9d3a | 686 | kfree_skb(skb); |
634b8f49 | 687 | libertas_interrupt(priv->dev); |
876c9d3a MT |
688 | spin_unlock(&priv->adapter->driver_lock); |
689 | goto rx_exit; | |
690 | default: | |
691 | kfree_skb(skb); | |
692 | break; | |
693 | } | |
694 | ||
695 | setup_for_next: | |
696 | if_usb_submit_rx_urb(priv); | |
697 | rx_exit: | |
9012b28a | 698 | lbs_deb_leave(LBS_DEB_USB); |
876c9d3a MT |
699 | } |
700 | ||
701 | /** | |
702 | * @brief This function downloads data to FW | |
703 | * @param priv pointer to wlan_private structure | |
704 | * @param type type of data | |
705 | * @param buf pointer to data buffer | |
706 | * @param len number of bytes | |
707 | * @return 0 or -1 | |
708 | */ | |
208fdd2f | 709 | static int if_usb_host_to_card(wlan_private * priv, u8 type, u8 * payload, u16 nb) |
876c9d3a MT |
710 | { |
711 | int ret = -1; | |
712 | u32 tmp; | |
634b8f49 | 713 | struct usb_card_rec *cardp = (struct usb_card_rec *)priv->card; |
876c9d3a | 714 | |
9012b28a HS |
715 | lbs_deb_usbd(&cardp->udev->dev,"*** type = %u\n", type); |
716 | lbs_deb_usbd(&cardp->udev->dev,"size after = %d\n", nb); | |
876c9d3a MT |
717 | |
718 | if (type == MVMS_CMD) { | |
719 | tmp = cpu_to_le32(CMD_TYPE_REQUEST); | |
634b8f49 | 720 | priv->dnld_sent = DNLD_CMD_SENT; |
876c9d3a MT |
721 | memcpy(cardp->bulk_out_buffer, (u8 *) & tmp, |
722 | MESSAGE_HEADER_LEN); | |
723 | ||
724 | } else { | |
725 | tmp = cpu_to_le32(CMD_TYPE_DATA); | |
634b8f49 | 726 | priv->dnld_sent = DNLD_DATA_SENT; |
876c9d3a MT |
727 | memcpy(cardp->bulk_out_buffer, (u8 *) & tmp, |
728 | MESSAGE_HEADER_LEN); | |
729 | } | |
730 | ||
731 | memcpy((cardp->bulk_out_buffer + MESSAGE_HEADER_LEN), payload, nb); | |
732 | ||
733 | ret = | |
734 | usb_tx_block(priv, cardp->bulk_out_buffer, nb + MESSAGE_HEADER_LEN); | |
735 | ||
736 | return ret; | |
737 | } | |
738 | ||
739 | /* called with adapter->driver_lock held */ | |
208fdd2f | 740 | static int if_usb_get_int_status(wlan_private * priv, u8 * ireg) |
876c9d3a | 741 | { |
634b8f49 | 742 | struct usb_card_rec *cardp = priv->card; |
876c9d3a MT |
743 | |
744 | *ireg = cardp->usb_int_cause; | |
745 | cardp->usb_int_cause = 0; | |
746 | ||
9012b28a | 747 | lbs_deb_usbd(&cardp->udev->dev,"Int cause is 0x%X\n", *ireg); |
876c9d3a MT |
748 | |
749 | return 0; | |
750 | } | |
751 | ||
208fdd2f | 752 | static int if_usb_read_event_cause(wlan_private * priv) |
876c9d3a | 753 | { |
634b8f49 | 754 | struct usb_card_rec *cardp = priv->card; |
876c9d3a MT |
755 | priv->adapter->eventcause = cardp->usb_event_cause; |
756 | /* Re-submit rx urb here to avoid event lost issue */ | |
757 | if_usb_submit_rx_urb(priv); | |
758 | return 0; | |
759 | } | |
760 | ||
208fdd2f | 761 | static int if_usb_unregister_dev(wlan_private * priv) |
876c9d3a MT |
762 | { |
763 | int ret = 0; | |
764 | ||
765 | /* Need to send a Reset command to device before USB resources freed | |
766 | * and wlan_remove_card() called, then device can handle FW download | |
767 | * again. | |
768 | */ | |
769 | if (priv) | |
eedc2a31 | 770 | libertas_reset_device(priv); |
876c9d3a MT |
771 | |
772 | return ret; | |
773 | } | |
774 | ||
775 | ||
776 | /** | |
777 | * @brief This function register usb device and initialize parameter | |
778 | * @param priv pointer to wlan_private | |
779 | * @return 0 or -1 | |
780 | */ | |
208fdd2f | 781 | static int if_usb_register_dev(wlan_private * priv) |
876c9d3a | 782 | { |
634b8f49 | 783 | struct usb_card_rec *cardp = (struct usb_card_rec *)priv->card; |
9012b28a HS |
784 | |
785 | lbs_deb_enter(LBS_DEB_USB); | |
876c9d3a MT |
786 | |
787 | cardp->priv = priv; | |
634b8f49 | 788 | cardp->eth_dev = priv->dev; |
876c9d3a MT |
789 | priv->hotplug_device = &(cardp->udev->dev); |
790 | ||
9012b28a | 791 | lbs_deb_usbd(&cardp->udev->dev, "udev pointer is at %p\n", |
876c9d3a MT |
792 | cardp->udev); |
793 | ||
9012b28a | 794 | lbs_deb_leave(LBS_DEB_USB); |
876c9d3a MT |
795 | return 0; |
796 | } | |
797 | ||
9e22cb67 DW |
798 | /** |
799 | * @brief This function issues Boot command to the Boot2 code | |
800 | * @param ivalue 1:Boot from FW by USB-Download | |
801 | * 2:Boot from FW in EEPROM | |
802 | * @return 0 | |
803 | */ | |
804 | static int if_usb_issue_boot_command(wlan_private *priv, int ivalue) | |
805 | { | |
806 | struct usb_card_rec *cardp = priv->card; | |
807 | struct bootcmdstr sbootcmd; | |
808 | int i; | |
809 | ||
810 | /* Prepare command */ | |
811 | sbootcmd.u32magicnumber = cpu_to_le32(BOOT_CMD_MAGIC_NUMBER); | |
812 | sbootcmd.u8cmd_tag = ivalue; | |
813 | for (i=0; i<11; i++) | |
814 | sbootcmd.au8dumy[i]=0x00; | |
815 | memcpy(cardp->bulk_out_buffer, &sbootcmd, sizeof(struct bootcmdstr)); | |
816 | ||
817 | /* Issue command */ | |
818 | usb_tx_block(priv, cardp->bulk_out_buffer, sizeof(struct bootcmdstr)); | |
819 | ||
820 | return 0; | |
821 | } | |
876c9d3a MT |
822 | |
823 | ||
1df4e8fe | 824 | static int if_usb_do_prog_firmware(wlan_private * priv) |
876c9d3a | 825 | { |
634b8f49 | 826 | struct usb_card_rec *cardp = priv->card; |
876c9d3a MT |
827 | int i = 0; |
828 | static int reset_count = 10; | |
9012b28a | 829 | int ret = 0; |
876c9d3a | 830 | |
9012b28a | 831 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a MT |
832 | |
833 | cardp->rinfo.priv = priv; | |
834 | ||
835 | restart: | |
836 | if (if_usb_submit_rx_urb_fwload(priv) < 0) { | |
9012b28a HS |
837 | lbs_deb_usbd(&cardp->udev->dev, "URB submission is failed\n"); |
838 | ret = -1; | |
839 | goto done; | |
876c9d3a MT |
840 | } |
841 | ||
876c9d3a MT |
842 | cardp->bootcmdresp = 0; |
843 | do { | |
844 | int j = 0; | |
845 | i++; | |
846 | /* Issue Boot command = 1, Boot from Download-FW */ | |
847 | if_usb_issue_boot_command(priv, BOOT_CMD_FW_BY_USB); | |
848 | /* wait for command response */ | |
849 | do { | |
850 | j++; | |
851 | msleep_interruptible(100); | |
852 | } while (cardp->bootcmdresp == 0 && j < 10); | |
853 | } while (cardp->bootcmdresp == 0 && i < 5); | |
854 | ||
855 | if (cardp->bootcmdresp == 0) { | |
856 | if (--reset_count >= 0) { | |
eedc2a31 | 857 | if_usb_reset_device(priv); |
876c9d3a MT |
858 | goto restart; |
859 | } | |
860 | return -1; | |
861 | } | |
876c9d3a MT |
862 | |
863 | i = 0; | |
864 | priv->adapter->fw_ready = 0; | |
865 | ||
866 | cardp->totalbytes = 0; | |
867 | cardp->fwlastblksent = 0; | |
868 | cardp->CRC_OK = 1; | |
869 | cardp->fwdnldover = 0; | |
870 | cardp->fwseqnum = -1; | |
871 | cardp->totalbytes = 0; | |
872 | cardp->fwfinalblk = 0; | |
873 | ||
874 | if_prog_firmware(priv); | |
875 | ||
876 | do { | |
9012b28a | 877 | lbs_deb_usbd(&cardp->udev->dev,"Wlan sched timeout\n"); |
876c9d3a MT |
878 | i++; |
879 | msleep_interruptible(100); | |
880 | if (priv->adapter->surpriseremoved || i >= 20) | |
881 | break; | |
882 | } while (!cardp->fwdnldover); | |
883 | ||
884 | if (!cardp->fwdnldover) { | |
885 | lbs_pr_info("failed to load fw, resetting device!\n"); | |
886 | if (--reset_count >= 0) { | |
eedc2a31 | 887 | if_usb_reset_device(priv); |
876c9d3a MT |
888 | goto restart; |
889 | } | |
890 | ||
891 | lbs_pr_info("FW download failure, time = %d ms\n", i * 100); | |
9012b28a HS |
892 | ret = -1; |
893 | goto done; | |
876c9d3a MT |
894 | } |
895 | ||
896 | if_usb_submit_rx_urb(priv); | |
897 | ||
898 | /* Delay 200 ms to waiting for the FW ready */ | |
899 | msleep_interruptible(200); | |
900 | ||
901 | priv->adapter->fw_ready = 1; | |
902 | ||
9012b28a HS |
903 | done: |
904 | lbs_deb_leave_args(LBS_DEB_USB, "ret %d", ret); | |
905 | return ret; | |
876c9d3a MT |
906 | } |
907 | ||
1df4e8fe HS |
908 | /** |
909 | * @brief This function checks the validity of Boot2/FW image. | |
910 | * | |
911 | * @param data pointer to image | |
912 | * len image length | |
913 | * @return 0 or -1 | |
914 | */ | |
915 | static int check_fwfile_format(u8 *data, u32 totlen) | |
916 | { | |
917 | u32 bincmd, exit; | |
918 | u32 blksize, offset, len; | |
919 | int ret; | |
920 | ||
921 | ret = 1; | |
922 | exit = len = 0; | |
923 | ||
924 | do { | |
925 | struct fwheader *fwh = (void *)data; | |
926 | ||
927 | bincmd = le32_to_cpu(fwh->dnldcmd); | |
928 | blksize = le32_to_cpu(fwh->datalength); | |
929 | switch (bincmd) { | |
930 | case FW_HAS_DATA_TO_RECV: | |
931 | offset = sizeof(struct fwheader) + blksize; | |
932 | data += offset; | |
933 | len += offset; | |
934 | if (len >= totlen) | |
935 | exit = 1; | |
936 | break; | |
937 | case FW_HAS_LAST_BLOCK: | |
938 | exit = 1; | |
939 | ret = 0; | |
940 | break; | |
941 | default: | |
942 | exit = 1; | |
943 | break; | |
944 | } | |
945 | } while (!exit); | |
946 | ||
947 | if (ret) | |
948 | lbs_pr_err("firmware file format check FAIL\n"); | |
949 | else | |
950 | lbs_deb_fw("firmware file format check PASS\n"); | |
951 | ||
952 | return ret; | |
953 | } | |
954 | ||
955 | ||
956 | static int if_usb_prog_firmware(wlan_private *priv) | |
957 | { | |
958 | int ret = -1; | |
959 | ||
960 | lbs_deb_enter(LBS_DEB_FW); | |
961 | ||
962 | if ((ret = request_firmware(&priv->firmware, libertas_fw_name, | |
963 | priv->hotplug_device)) < 0) { | |
964 | lbs_pr_err("request_firmware() failed with %#x\n", ret); | |
965 | lbs_pr_err("firmware %s not found\n", libertas_fw_name); | |
966 | goto done; | |
967 | } | |
968 | ||
969 | if (check_fwfile_format(priv->firmware->data, priv->firmware->size)) { | |
970 | release_firmware(priv->firmware); | |
971 | goto done; | |
972 | } | |
973 | ||
974 | ret = if_usb_do_prog_firmware(priv); | |
975 | ||
976 | release_firmware(priv->firmware); | |
977 | done: | |
978 | return ret; | |
979 | } | |
980 | ||
981 | ||
876c9d3a MT |
982 | #ifdef CONFIG_PM |
983 | static int if_usb_suspend(struct usb_interface *intf, pm_message_t message) | |
984 | { | |
985 | struct usb_card_rec *cardp = usb_get_intfdata(intf); | |
986 | wlan_private *priv = cardp->priv; | |
987 | ||
9012b28a | 988 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a MT |
989 | |
990 | if (priv->adapter->psstate != PS_STATE_FULL_POWER) | |
991 | return -1; | |
992 | ||
993 | netif_device_detach(cardp->eth_dev); | |
51d84f50 | 994 | netif_device_detach(priv->mesh_dev); |
876c9d3a MT |
995 | |
996 | /* Unlink tx & rx urb */ | |
997 | usb_kill_urb(cardp->tx_urb); | |
998 | usb_kill_urb(cardp->rx_urb); | |
999 | ||
1000 | cardp->rx_urb_recall = 1; | |
1001 | ||
9012b28a | 1002 | lbs_deb_leave(LBS_DEB_USB); |
876c9d3a MT |
1003 | return 0; |
1004 | } | |
1005 | ||
1006 | static int if_usb_resume(struct usb_interface *intf) | |
1007 | { | |
1008 | struct usb_card_rec *cardp = usb_get_intfdata(intf); | |
51d84f50 | 1009 | wlan_private *priv = cardp->priv; |
876c9d3a | 1010 | |
9012b28a | 1011 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a MT |
1012 | |
1013 | cardp->rx_urb_recall = 0; | |
1014 | ||
1015 | if_usb_submit_rx_urb(cardp->priv); | |
1016 | ||
1017 | netif_device_attach(cardp->eth_dev); | |
51d84f50 | 1018 | netif_device_attach(priv->mesh_dev); |
876c9d3a | 1019 | |
9012b28a | 1020 | lbs_deb_leave(LBS_DEB_USB); |
876c9d3a MT |
1021 | return 0; |
1022 | } | |
1023 | #else | |
1024 | #define if_usb_suspend NULL | |
1025 | #define if_usb_resume NULL | |
1026 | #endif | |
1027 | ||
1028 | static struct usb_driver if_usb_driver = { | |
1029 | /* driver name */ | |
1030 | .name = usbdriver_name, | |
1031 | /* probe function name */ | |
1032 | .probe = if_usb_probe, | |
1033 | /* disconnect function name */ | |
1034 | .disconnect = if_usb_disconnect, | |
1035 | /* device signature table */ | |
1036 | .id_table = if_usb_table, | |
1037 | .suspend = if_usb_suspend, | |
1038 | .resume = if_usb_resume, | |
1039 | }; | |
1040 | ||
084708b6 | 1041 | static int if_usb_init_module(void) |
876c9d3a | 1042 | { |
084708b6 | 1043 | int ret = 0; |
876c9d3a | 1044 | |
084708b6 HS |
1045 | lbs_deb_enter(LBS_DEB_MAIN); |
1046 | ||
1047 | if (libertas_fw_name == NULL) { | |
1048 | libertas_fw_name = default_fw_name; | |
1049 | } | |
1050 | ||
1051 | ret = usb_register(&if_usb_driver); | |
1052 | ||
1053 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret); | |
1054 | return ret; | |
876c9d3a MT |
1055 | } |
1056 | ||
084708b6 | 1057 | static void if_usb_exit_module(void) |
876c9d3a | 1058 | { |
d43fb8ee | 1059 | struct usb_card_rec *cardp, *cardp_temp; |
3874d0fe | 1060 | |
084708b6 HS |
1061 | lbs_deb_enter(LBS_DEB_MAIN); |
1062 | ||
d43fb8ee | 1063 | list_for_each_entry_safe(cardp, cardp_temp, &usb_devices, list) |
eedc2a31 | 1064 | libertas_reset_device((wlan_private *) cardp->priv); |
3874d0fe | 1065 | |
876c9d3a MT |
1066 | /* API unregisters the driver from USB subsystem */ |
1067 | usb_deregister(&if_usb_driver); | |
084708b6 HS |
1068 | |
1069 | lbs_deb_leave(LBS_DEB_MAIN); | |
876c9d3a | 1070 | } |
084708b6 HS |
1071 | |
1072 | module_init(if_usb_init_module); | |
1073 | module_exit(if_usb_exit_module); | |
1074 | ||
1075 | MODULE_DESCRIPTION("8388 USB WLAN Driver"); | |
1076 | MODULE_AUTHOR("Marvell International Ltd."); | |
1077 | MODULE_LICENSE("GPL"); |