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Commit | Line | Data |
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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" | |
18 | ||
19 | #define MESSAGE_HEADER_LEN 4 | |
20 | ||
21 | static const char usbdriver_name[] = "usb8xxx"; | |
084708b6 HS |
22 | static u8 *default_fw_name = "usb8388.bin"; |
23 | ||
ac558ca2 | 24 | static char *libertas_fw_name = NULL; |
084708b6 HS |
25 | module_param_named(fw_name, libertas_fw_name, charp, 0644); |
26 | ||
435a1acb HS |
27 | /* |
28 | * We need to send a RESET command to all USB devices before | |
29 | * we tear down the USB connection. Otherwise we would not | |
30 | * be able to re-init device the device if the module gets | |
31 | * loaded again. This is a list of all initialized USB devices, | |
32 | * for the reset code see if_usb_reset_device() | |
33 | */ | |
34 | static LIST_HEAD(usb_devices); | |
3874d0fe | 35 | |
876c9d3a MT |
36 | static struct usb_device_id if_usb_table[] = { |
37 | /* Enter the device signature inside */ | |
66fcc559 HS |
38 | { USB_DEVICE(0x1286, 0x2001) }, |
39 | { USB_DEVICE(0x05a3, 0x8388) }, | |
876c9d3a MT |
40 | {} /* Terminating entry */ |
41 | }; | |
42 | ||
43 | MODULE_DEVICE_TABLE(usb, if_usb_table); | |
44 | ||
45 | static void if_usb_receive(struct urb *urb); | |
46 | static void if_usb_receive_fwload(struct urb *urb); | |
954ee164 | 47 | static int if_usb_prog_firmware(struct usb_card_rec *cardp); |
208fdd2f HS |
48 | static int if_usb_host_to_card(wlan_private * priv, u8 type, u8 * payload, u16 nb); |
49 | static int if_usb_get_int_status(wlan_private * priv, u8 *); | |
50 | static int if_usb_read_event_cause(wlan_private *); | |
954ee164 | 51 | static int usb_tx_block(struct usb_card_rec *cardp, u8 *payload, u16 nb); |
ac558ca2 | 52 | static void if_usb_free(struct usb_card_rec *cardp); |
954ee164 DW |
53 | static int if_usb_submit_rx_urb(struct usb_card_rec *cardp); |
54 | static int if_usb_reset_device(struct usb_card_rec *cardp); | |
876c9d3a MT |
55 | |
56 | /** | |
57 | * @brief call back function to handle the status of the URB | |
58 | * @param urb pointer to urb structure | |
59 | * @return N/A | |
60 | */ | |
61 | static void if_usb_write_bulk_callback(struct urb *urb) | |
62 | { | |
954ee164 | 63 | struct usb_card_rec *cardp = (struct usb_card_rec *) urb->context; |
876c9d3a MT |
64 | |
65 | /* handle the transmission complete validations */ | |
66 | ||
954ee164 DW |
67 | if (urb->status == 0) { |
68 | wlan_private *priv = cardp->priv; | |
69 | ||
9012b28a HS |
70 | /* |
71 | lbs_deb_usbd(&urb->dev->dev, "URB status is successfull\n"); | |
72 | lbs_deb_usbd(&urb->dev->dev, "Actual length transmitted %d\n", | |
876c9d3a | 73 | urb->actual_length); |
9012b28a | 74 | */ |
954ee164 DW |
75 | |
76 | /* Used for both firmware TX and regular TX. priv isn't | |
77 | * valid at firmware load time. | |
78 | */ | |
79 | if (priv) { | |
80 | wlan_adapter *adapter = priv->adapter; | |
81 | struct net_device *dev = priv->dev; | |
82 | ||
83 | priv->dnld_sent = DNLD_RES_RECEIVED; | |
84 | ||
85 | /* Wake main thread if commands are pending */ | |
86 | if (!adapter->cur_cmd) | |
87 | wake_up_interruptible(&priv->waitq); | |
88 | ||
89 | if ((adapter->connect_status == LIBERTAS_CONNECTED)) { | |
90 | netif_wake_queue(dev); | |
91 | netif_wake_queue(priv->mesh_dev); | |
92 | } | |
51d84f50 | 93 | } |
954ee164 DW |
94 | } else { |
95 | /* print the failure status number for debug */ | |
96 | lbs_pr_info("URB in failure status: %d\n", urb->status); | |
876c9d3a MT |
97 | } |
98 | ||
99 | return; | |
100 | } | |
101 | ||
102 | /** | |
103 | * @brief free tx/rx urb, skb and rx buffer | |
104 | * @param cardp pointer usb_card_rec | |
105 | * @return N/A | |
106 | */ | |
ac558ca2 | 107 | static void if_usb_free(struct usb_card_rec *cardp) |
876c9d3a | 108 | { |
9012b28a | 109 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a MT |
110 | |
111 | /* Unlink tx & rx urb */ | |
112 | usb_kill_urb(cardp->tx_urb); | |
113 | usb_kill_urb(cardp->rx_urb); | |
114 | ||
115 | usb_free_urb(cardp->tx_urb); | |
116 | cardp->tx_urb = NULL; | |
117 | ||
118 | usb_free_urb(cardp->rx_urb); | |
119 | cardp->rx_urb = NULL; | |
120 | ||
121 | kfree(cardp->bulk_out_buffer); | |
122 | cardp->bulk_out_buffer = NULL; | |
123 | ||
9012b28a | 124 | lbs_deb_leave(LBS_DEB_USB); |
876c9d3a MT |
125 | } |
126 | ||
127 | /** | |
128 | * @brief sets the configuration values | |
129 | * @param ifnum interface number | |
130 | * @param id pointer to usb_device_id | |
131 | * @return 0 on success, error code on failure | |
132 | */ | |
133 | static int if_usb_probe(struct usb_interface *intf, | |
134 | const struct usb_device_id *id) | |
135 | { | |
136 | struct usb_device *udev; | |
137 | struct usb_host_interface *iface_desc; | |
138 | struct usb_endpoint_descriptor *endpoint; | |
78523daa | 139 | wlan_private *priv; |
435a1acb | 140 | struct usb_card_rec *cardp; |
876c9d3a MT |
141 | int i; |
142 | ||
143 | udev = interface_to_usbdev(intf); | |
144 | ||
435a1acb HS |
145 | cardp = kzalloc(sizeof(struct usb_card_rec), GFP_KERNEL); |
146 | if (!cardp) { | |
876c9d3a MT |
147 | lbs_pr_err("Out of memory allocating private data.\n"); |
148 | goto error; | |
149 | } | |
150 | ||
435a1acb | 151 | cardp->udev = udev; |
876c9d3a MT |
152 | iface_desc = intf->cur_altsetting; |
153 | ||
9012b28a | 154 | lbs_deb_usbd(&udev->dev, "bcdUSB = 0x%X bDeviceClass = 0x%X" |
876c9d3a | 155 | " bDeviceSubClass = 0x%X, bDeviceProtocol = 0x%X\n", |
981f187b DW |
156 | le16_to_cpu(udev->descriptor.bcdUSB), |
157 | udev->descriptor.bDeviceClass, | |
158 | udev->descriptor.bDeviceSubClass, | |
159 | udev->descriptor.bDeviceProtocol); | |
876c9d3a MT |
160 | |
161 | for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) { | |
162 | endpoint = &iface_desc->endpoint[i].desc; | |
163 | if ((endpoint->bEndpointAddress & USB_ENDPOINT_DIR_MASK) | |
164 | && ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == | |
165 | USB_ENDPOINT_XFER_BULK)) { | |
166 | /* we found a bulk in endpoint */ | |
9012b28a | 167 | lbs_deb_usbd(&udev->dev, "Bulk in size is %d\n", |
981f187b DW |
168 | le16_to_cpu(endpoint->wMaxPacketSize)); |
169 | if (!(cardp->rx_urb = usb_alloc_urb(0, GFP_KERNEL))) { | |
9012b28a | 170 | lbs_deb_usbd(&udev->dev, |
876c9d3a MT |
171 | "Rx URB allocation failed\n"); |
172 | goto dealloc; | |
173 | } | |
435a1acb | 174 | cardp->rx_urb_recall = 0; |
876c9d3a | 175 | |
435a1acb | 176 | cardp->bulk_in_size = |
981f187b | 177 | le16_to_cpu(endpoint->wMaxPacketSize); |
435a1acb | 178 | cardp->bulk_in_endpointAddr = |
876c9d3a MT |
179 | (endpoint-> |
180 | bEndpointAddress & USB_ENDPOINT_NUMBER_MASK); | |
9012b28a | 181 | lbs_deb_usbd(&udev->dev, "in_endpoint = %d\n", |
876c9d3a MT |
182 | endpoint->bEndpointAddress); |
183 | } | |
184 | ||
185 | if (((endpoint-> | |
186 | bEndpointAddress & USB_ENDPOINT_DIR_MASK) == | |
187 | USB_DIR_OUT) | |
188 | && ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == | |
189 | USB_ENDPOINT_XFER_BULK)) { | |
190 | /* We found bulk out endpoint */ | |
981f187b | 191 | if (!(cardp->tx_urb = usb_alloc_urb(0, GFP_KERNEL))) { |
9012b28a | 192 | lbs_deb_usbd(&udev->dev, |
876c9d3a MT |
193 | "Tx URB allocation failed\n"); |
194 | goto dealloc; | |
195 | } | |
196 | ||
435a1acb | 197 | cardp->bulk_out_size = |
981f187b | 198 | le16_to_cpu(endpoint->wMaxPacketSize); |
9012b28a | 199 | lbs_deb_usbd(&udev->dev, |
981f187b DW |
200 | "Bulk out size is %d\n", |
201 | le16_to_cpu(endpoint->wMaxPacketSize)); | |
435a1acb | 202 | cardp->bulk_out_endpointAddr = |
876c9d3a | 203 | endpoint->bEndpointAddress; |
9012b28a | 204 | lbs_deb_usbd(&udev->dev, "out_endpoint = %d\n", |
876c9d3a | 205 | endpoint->bEndpointAddress); |
435a1acb | 206 | cardp->bulk_out_buffer = |
876c9d3a MT |
207 | kmalloc(MRVDRV_ETH_TX_PACKET_BUFFER_SIZE, |
208 | GFP_KERNEL); | |
209 | ||
435a1acb | 210 | if (!cardp->bulk_out_buffer) { |
9012b28a | 211 | lbs_deb_usbd(&udev->dev, |
876c9d3a MT |
212 | "Could not allocate buffer\n"); |
213 | goto dealloc; | |
214 | } | |
215 | } | |
216 | } | |
217 | ||
954ee164 DW |
218 | /* Upload firmware */ |
219 | cardp->rinfo.cardp = cardp; | |
220 | if (if_usb_prog_firmware(cardp)) { | |
221 | lbs_deb_usbd(&udev->dev, "FW upload failed"); | |
222 | goto err_prog_firmware; | |
223 | } | |
224 | ||
7732ca45 | 225 | if (!(priv = libertas_add_card(cardp, &udev->dev))) |
954ee164 | 226 | goto err_prog_firmware; |
3874d0fe | 227 | |
954ee164 | 228 | cardp->priv = priv; |
965f8bbc | 229 | |
7732ca45 | 230 | if (libertas_add_mesh(priv, &udev->dev)) |
6a812157 | 231 | goto err_add_mesh; |
51d84f50 | 232 | |
954ee164 DW |
233 | cardp->eth_dev = priv->dev; |
234 | ||
208fdd2f HS |
235 | priv->hw_host_to_card = if_usb_host_to_card; |
236 | priv->hw_get_int_status = if_usb_get_int_status; | |
237 | priv->hw_read_event_cause = if_usb_read_event_cause; | |
63f0023b | 238 | priv->boot2_version = udev->descriptor.bcdDevice; |
208fdd2f | 239 | |
954ee164 DW |
240 | /* Delay 200 ms to waiting for the FW ready */ |
241 | if_usb_submit_rx_urb(cardp); | |
242 | msleep_interruptible(200); | |
243 | priv->adapter->fw_ready = 1; | |
244 | ||
245 | if (libertas_start_card(priv)) | |
246 | goto err_start_card; | |
32a74b7c | 247 | |
435a1acb | 248 | list_add_tail(&cardp->list, &usb_devices); |
3874d0fe | 249 | |
876c9d3a | 250 | usb_get_dev(udev); |
435a1acb | 251 | usb_set_intfdata(intf, cardp); |
876c9d3a | 252 | |
876c9d3a MT |
253 | return 0; |
254 | ||
954ee164 | 255 | err_start_card: |
c7236831 | 256 | libertas_remove_mesh(priv); |
6a812157 | 257 | err_add_mesh: |
954ee164 DW |
258 | libertas_remove_card(priv); |
259 | err_prog_firmware: | |
260 | if_usb_reset_device(cardp); | |
876c9d3a | 261 | dealloc: |
435a1acb | 262 | if_usb_free(cardp); |
876c9d3a MT |
263 | |
264 | error: | |
265 | return -ENOMEM; | |
266 | } | |
267 | ||
268 | /** | |
269 | * @brief free resource and cleanup | |
435a1acb | 270 | * @param intf USB interface structure |
876c9d3a MT |
271 | * @return N/A |
272 | */ | |
273 | static void if_usb_disconnect(struct usb_interface *intf) | |
274 | { | |
275 | struct usb_card_rec *cardp = usb_get_intfdata(intf); | |
276 | wlan_private *priv = (wlan_private *) cardp->priv; | |
876c9d3a | 277 | |
954ee164 | 278 | lbs_deb_enter(LBS_DEB_MAIN); |
876c9d3a | 279 | |
954ee164 DW |
280 | /* Update Surprise removed to TRUE */ |
281 | cardp->surprise_removed = 1; | |
876c9d3a | 282 | |
435a1acb | 283 | list_del(&cardp->list); |
3874d0fe | 284 | |
954ee164 DW |
285 | if (priv) { |
286 | wlan_adapter *adapter = priv->adapter; | |
287 | ||
288 | adapter->surpriseremoved = 1; | |
289 | libertas_stop_card(priv); | |
290 | libertas_remove_mesh(priv); | |
291 | libertas_remove_card(priv); | |
292 | } | |
876c9d3a MT |
293 | |
294 | /* Unlink and free urb */ | |
295 | if_usb_free(cardp); | |
296 | ||
297 | usb_set_intfdata(intf, NULL); | |
298 | usb_put_dev(interface_to_usbdev(intf)); | |
299 | ||
954ee164 | 300 | lbs_deb_leave(LBS_DEB_MAIN); |
876c9d3a MT |
301 | } |
302 | ||
303 | /** | |
304 | * @brief This function download FW | |
305 | * @param priv pointer to wlan_private | |
306 | * @return 0 | |
307 | */ | |
954ee164 | 308 | static int if_prog_firmware(struct usb_card_rec *cardp) |
876c9d3a | 309 | { |
876c9d3a MT |
310 | struct FWData *fwdata; |
311 | struct fwheader *fwheader; | |
954ee164 | 312 | u8 *firmware = cardp->fw->data; |
876c9d3a MT |
313 | |
314 | fwdata = kmalloc(sizeof(struct FWData), GFP_ATOMIC); | |
315 | ||
316 | if (!fwdata) | |
317 | return -1; | |
318 | ||
319 | fwheader = &fwdata->fwheader; | |
320 | ||
321 | if (!cardp->CRC_OK) { | |
322 | cardp->totalbytes = cardp->fwlastblksent; | |
323 | cardp->fwseqnum = cardp->lastseqnum - 1; | |
324 | } | |
325 | ||
9012b28a HS |
326 | /* |
327 | lbs_deb_usbd(&cardp->udev->dev, "totalbytes = %d\n", | |
876c9d3a | 328 | cardp->totalbytes); |
9012b28a | 329 | */ |
876c9d3a MT |
330 | |
331 | memcpy(fwheader, &firmware[cardp->totalbytes], | |
332 | sizeof(struct fwheader)); | |
333 | ||
334 | cardp->fwlastblksent = cardp->totalbytes; | |
335 | cardp->totalbytes += sizeof(struct fwheader); | |
336 | ||
9012b28a | 337 | /* lbs_deb_usbd(&cardp->udev->dev,"Copy Data\n"); */ |
876c9d3a | 338 | memcpy(fwdata->data, &firmware[cardp->totalbytes], |
981f187b | 339 | le32_to_cpu(fwdata->fwheader.datalength)); |
876c9d3a | 340 | |
9012b28a HS |
341 | /* |
342 | lbs_deb_usbd(&cardp->udev->dev, | |
bb793e2b | 343 | "Data length = %d\n", le32_to_cpu(fwdata->fwheader.datalength)); |
9012b28a | 344 | */ |
876c9d3a MT |
345 | |
346 | cardp->fwseqnum = cardp->fwseqnum + 1; | |
347 | ||
981f187b DW |
348 | fwdata->seqnum = cpu_to_le32(cardp->fwseqnum); |
349 | cardp->lastseqnum = cardp->fwseqnum; | |
350 | cardp->totalbytes += le32_to_cpu(fwdata->fwheader.datalength); | |
876c9d3a | 351 | |
981f187b | 352 | if (fwheader->dnldcmd == cpu_to_le32(FW_HAS_DATA_TO_RECV)) { |
9012b28a | 353 | /* |
981f187b | 354 | lbs_deb_usbd(&cardp->udev->dev, "There are data to follow\n"); |
9012b28a | 355 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
356 | "seqnum = %d totalbytes = %d\n", cardp->fwseqnum, |
357 | cardp->totalbytes); | |
9012b28a | 358 | */ |
876c9d3a | 359 | memcpy(cardp->bulk_out_buffer, fwheader, FW_DATA_XMIT_SIZE); |
954ee164 | 360 | usb_tx_block(cardp, cardp->bulk_out_buffer, FW_DATA_XMIT_SIZE); |
876c9d3a | 361 | |
bb793e2b | 362 | } else if (fwdata->fwheader.dnldcmd == cpu_to_le32(FW_HAS_LAST_BLOCK)) { |
9012b28a HS |
363 | /* |
364 | lbs_deb_usbd(&cardp->udev->dev, | |
876c9d3a | 365 | "Host has finished FW downloading\n"); |
9012b28a | 366 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a | 367 | "Donwloading FW JUMP BLOCK\n"); |
9012b28a | 368 | */ |
876c9d3a | 369 | memcpy(cardp->bulk_out_buffer, fwheader, FW_DATA_XMIT_SIZE); |
954ee164 | 370 | usb_tx_block(cardp, cardp->bulk_out_buffer, FW_DATA_XMIT_SIZE); |
876c9d3a MT |
371 | cardp->fwfinalblk = 1; |
372 | } | |
373 | ||
9012b28a HS |
374 | /* |
375 | lbs_deb_usbd(&cardp->udev->dev, | |
876c9d3a MT |
376 | "The firmware download is done size is %d\n", |
377 | cardp->totalbytes); | |
9012b28a | 378 | */ |
876c9d3a MT |
379 | |
380 | kfree(fwdata); | |
381 | ||
382 | return 0; | |
383 | } | |
384 | ||
954ee164 | 385 | static int if_usb_reset_device(struct usb_card_rec *cardp) |
876c9d3a MT |
386 | { |
387 | int ret; | |
954ee164 | 388 | wlan_private * priv = cardp->priv; |
876c9d3a | 389 | |
3874d0fe HS |
390 | lbs_deb_enter(LBS_DEB_USB); |
391 | ||
eedc2a31 DW |
392 | /* Try a USB port reset first, if that fails send the reset |
393 | * command to the firmware. | |
394 | */ | |
876c9d3a | 395 | ret = usb_reset_device(cardp->udev); |
954ee164 | 396 | if (!ret && priv) { |
876c9d3a | 397 | msleep(10); |
eedc2a31 | 398 | ret = libertas_reset_device(priv); |
876c9d3a MT |
399 | msleep(10); |
400 | } | |
3874d0fe HS |
401 | |
402 | lbs_deb_leave_args(LBS_DEB_USB, "ret %d", ret); | |
403 | ||
876c9d3a MT |
404 | return ret; |
405 | } | |
406 | ||
407 | /** | |
408 | * @brief This function transfer the data to the device. | |
409 | * @param priv pointer to wlan_private | |
410 | * @param payload pointer to payload data | |
411 | * @param nb data length | |
412 | * @return 0 or -1 | |
413 | */ | |
954ee164 | 414 | static int usb_tx_block(struct usb_card_rec *cardp, u8 * payload, u16 nb) |
876c9d3a | 415 | { |
876c9d3a MT |
416 | int ret = -1; |
417 | ||
418 | /* check if device is removed */ | |
954ee164 | 419 | if (cardp->surprise_removed) { |
9012b28a | 420 | lbs_deb_usbd(&cardp->udev->dev, "Device removed\n"); |
876c9d3a MT |
421 | goto tx_ret; |
422 | } | |
423 | ||
424 | usb_fill_bulk_urb(cardp->tx_urb, cardp->udev, | |
425 | usb_sndbulkpipe(cardp->udev, | |
426 | cardp->bulk_out_endpointAddr), | |
954ee164 | 427 | payload, nb, if_usb_write_bulk_callback, cardp); |
876c9d3a MT |
428 | |
429 | cardp->tx_urb->transfer_flags |= URB_ZERO_PACKET; | |
430 | ||
431 | if ((ret = usb_submit_urb(cardp->tx_urb, GFP_ATOMIC))) { | |
432 | /* transfer failed */ | |
9012b28a | 433 | lbs_deb_usbd(&cardp->udev->dev, "usb_submit_urb failed\n"); |
876c9d3a MT |
434 | ret = -1; |
435 | } else { | |
9012b28a | 436 | /* lbs_deb_usbd(&cardp->udev->dev, "usb_submit_urb success\n"); */ |
876c9d3a MT |
437 | ret = 0; |
438 | } | |
439 | ||
440 | tx_ret: | |
441 | return ret; | |
442 | } | |
443 | ||
954ee164 DW |
444 | static int __if_usb_submit_rx_urb(struct usb_card_rec *cardp, |
445 | void (*callbackfn)(struct urb *urb)) | |
876c9d3a | 446 | { |
876c9d3a MT |
447 | struct sk_buff *skb; |
448 | struct read_cb_info *rinfo = &cardp->rinfo; | |
449 | int ret = -1; | |
450 | ||
451 | if (!(skb = dev_alloc_skb(MRVDRV_ETH_RX_PACKET_BUFFER_SIZE))) { | |
452 | lbs_pr_err("No free skb\n"); | |
453 | goto rx_ret; | |
454 | } | |
455 | ||
456 | rinfo->skb = skb; | |
457 | ||
458 | /* Fill the receive configuration URB and initialise the Rx call back */ | |
459 | usb_fill_bulk_urb(cardp->rx_urb, cardp->udev, | |
460 | usb_rcvbulkpipe(cardp->udev, | |
461 | cardp->bulk_in_endpointAddr), | |
4269e2ad | 462 | (void *) (skb->tail + (size_t) IPFIELD_ALIGN_OFFSET), |
876c9d3a MT |
463 | MRVDRV_ETH_RX_PACKET_BUFFER_SIZE, callbackfn, |
464 | rinfo); | |
465 | ||
466 | cardp->rx_urb->transfer_flags |= URB_ZERO_PACKET; | |
467 | ||
9012b28a | 468 | /* lbs_deb_usbd(&cardp->udev->dev, "Pointer for rx_urb %p\n", cardp->rx_urb); */ |
876c9d3a MT |
469 | if ((ret = usb_submit_urb(cardp->rx_urb, GFP_ATOMIC))) { |
470 | /* handle failure conditions */ | |
9012b28a | 471 | lbs_deb_usbd(&cardp->udev->dev, "Submit Rx URB failed\n"); |
876c9d3a MT |
472 | ret = -1; |
473 | } else { | |
9012b28a | 474 | /* lbs_deb_usbd(&cardp->udev->dev, "Submit Rx URB success\n"); */ |
876c9d3a MT |
475 | ret = 0; |
476 | } | |
477 | ||
478 | rx_ret: | |
479 | return ret; | |
480 | } | |
481 | ||
954ee164 | 482 | static int if_usb_submit_rx_urb_fwload(struct usb_card_rec *cardp) |
876c9d3a | 483 | { |
954ee164 | 484 | return __if_usb_submit_rx_urb(cardp, &if_usb_receive_fwload); |
876c9d3a MT |
485 | } |
486 | ||
954ee164 | 487 | static int if_usb_submit_rx_urb(struct usb_card_rec *cardp) |
876c9d3a | 488 | { |
954ee164 | 489 | return __if_usb_submit_rx_urb(cardp, &if_usb_receive); |
876c9d3a MT |
490 | } |
491 | ||
492 | static void if_usb_receive_fwload(struct urb *urb) | |
493 | { | |
494 | struct read_cb_info *rinfo = (struct read_cb_info *)urb->context; | |
876c9d3a | 495 | struct sk_buff *skb = rinfo->skb; |
954ee164 | 496 | struct usb_card_rec *cardp = (struct usb_card_rec *)rinfo->cardp; |
876c9d3a MT |
497 | struct fwsyncheader *syncfwheader; |
498 | struct bootcmdrespStr bootcmdresp; | |
499 | ||
500 | if (urb->status) { | |
9012b28a | 501 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
502 | "URB status is failed during fw load\n"); |
503 | kfree_skb(skb); | |
504 | return; | |
505 | } | |
506 | ||
507 | if (cardp->bootcmdresp == 0) { | |
508 | memcpy (&bootcmdresp, skb->data + IPFIELD_ALIGN_OFFSET, | |
509 | sizeof(bootcmdresp)); | |
981f187b | 510 | if (le16_to_cpu(cardp->udev->descriptor.bcdDevice) < 0x3106) { |
876c9d3a | 511 | kfree_skb(skb); |
954ee164 | 512 | if_usb_submit_rx_urb_fwload(cardp); |
876c9d3a | 513 | cardp->bootcmdresp = 1; |
9012b28a | 514 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
515 | "Received valid boot command response\n"); |
516 | return; | |
517 | } | |
981f187b | 518 | if (bootcmdresp.u32magicnumber != cpu_to_le32(BOOT_CMD_MAGIC_NUMBER)) { |
876c9d3a MT |
519 | lbs_pr_info( |
520 | "boot cmd response wrong magic number (0x%x)\n", | |
981f187b | 521 | le32_to_cpu(bootcmdresp.u32magicnumber)); |
876c9d3a MT |
522 | } else if (bootcmdresp.u8cmd_tag != BOOT_CMD_FW_BY_USB) { |
523 | lbs_pr_info( | |
524 | "boot cmd response cmd_tag error (%d)\n", | |
525 | bootcmdresp.u8cmd_tag); | |
526 | } else if (bootcmdresp.u8result != BOOT_CMD_RESP_OK) { | |
527 | lbs_pr_info( | |
528 | "boot cmd response result error (%d)\n", | |
529 | bootcmdresp.u8result); | |
530 | } else { | |
531 | cardp->bootcmdresp = 1; | |
9012b28a | 532 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
533 | "Received valid boot command response\n"); |
534 | } | |
535 | kfree_skb(skb); | |
954ee164 | 536 | if_usb_submit_rx_urb_fwload(cardp); |
876c9d3a MT |
537 | return; |
538 | } | |
539 | ||
540 | syncfwheader = kmalloc(sizeof(struct fwsyncheader), GFP_ATOMIC); | |
541 | if (!syncfwheader) { | |
9012b28a | 542 | lbs_deb_usbd(&cardp->udev->dev, "Failure to allocate syncfwheader\n"); |
876c9d3a MT |
543 | kfree_skb(skb); |
544 | return; | |
545 | } | |
546 | ||
547 | memcpy(syncfwheader, skb->data + IPFIELD_ALIGN_OFFSET, | |
548 | sizeof(struct fwsyncheader)); | |
549 | ||
550 | if (!syncfwheader->cmd) { | |
9012b28a HS |
551 | /* |
552 | lbs_deb_usbd(&cardp->udev->dev, | |
876c9d3a | 553 | "FW received Blk with correct CRC\n"); |
9012b28a | 554 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
555 | "FW received Blk seqnum = %d\n", |
556 | syncfwheader->seqnum); | |
9012b28a | 557 | */ |
876c9d3a MT |
558 | cardp->CRC_OK = 1; |
559 | } else { | |
9012b28a | 560 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
561 | "FW received Blk with CRC error\n"); |
562 | cardp->CRC_OK = 0; | |
563 | } | |
564 | ||
565 | kfree_skb(skb); | |
566 | ||
567 | if (cardp->fwfinalblk) { | |
568 | cardp->fwdnldover = 1; | |
569 | goto exit; | |
570 | } | |
571 | ||
954ee164 | 572 | if_prog_firmware(cardp); |
876c9d3a | 573 | |
954ee164 | 574 | if_usb_submit_rx_urb_fwload(cardp); |
876c9d3a MT |
575 | exit: |
576 | kfree(syncfwheader); | |
577 | ||
578 | return; | |
579 | ||
580 | } | |
581 | ||
582 | #define MRVDRV_MIN_PKT_LEN 30 | |
583 | ||
584 | static inline void process_cmdtypedata(int recvlength, struct sk_buff *skb, | |
585 | struct usb_card_rec *cardp, | |
586 | wlan_private *priv) | |
587 | { | |
588 | if (recvlength > MRVDRV_ETH_RX_PACKET_BUFFER_SIZE + | |
589 | MESSAGE_HEADER_LEN || recvlength < MRVDRV_MIN_PKT_LEN) { | |
9012b28a | 590 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
591 | "Packet length is Invalid\n"); |
592 | kfree_skb(skb); | |
593 | return; | |
594 | } | |
595 | ||
596 | skb_reserve(skb, IPFIELD_ALIGN_OFFSET); | |
597 | skb_put(skb, recvlength); | |
598 | skb_pull(skb, MESSAGE_HEADER_LEN); | |
599 | libertas_process_rxed_packet(priv, skb); | |
634b8f49 | 600 | priv->upld_len = (recvlength - MESSAGE_HEADER_LEN); |
876c9d3a MT |
601 | } |
602 | ||
603 | static inline void process_cmdrequest(int recvlength, u8 *recvbuff, | |
604 | struct sk_buff *skb, | |
605 | struct usb_card_rec *cardp, | |
606 | wlan_private *priv) | |
607 | { | |
608 | u8 *cmdbuf; | |
609 | if (recvlength > MRVDRV_SIZE_OF_CMD_BUFFER) { | |
9012b28a | 610 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
611 | "The receive buffer is too large\n"); |
612 | kfree_skb(skb); | |
613 | return; | |
614 | } | |
615 | ||
616 | if (!in_interrupt()) | |
617 | BUG(); | |
618 | ||
619 | spin_lock(&priv->adapter->driver_lock); | |
620 | /* take care of cur_cmd = NULL case by reading the | |
621 | * data to clear the interrupt */ | |
622 | if (!priv->adapter->cur_cmd) { | |
634b8f49 | 623 | cmdbuf = priv->upld_buf; |
c95c7f93 | 624 | priv->adapter->hisregcpy &= ~MRVDRV_CMD_UPLD_RDY; |
876c9d3a MT |
625 | } else |
626 | cmdbuf = priv->adapter->cur_cmd->bufvirtualaddr; | |
627 | ||
c95c7f93 | 628 | cardp->usb_int_cause |= MRVDRV_CMD_UPLD_RDY; |
634b8f49 | 629 | priv->upld_len = (recvlength - MESSAGE_HEADER_LEN); |
876c9d3a | 630 | memcpy(cmdbuf, recvbuff + MESSAGE_HEADER_LEN, |
634b8f49 | 631 | priv->upld_len); |
876c9d3a MT |
632 | |
633 | kfree_skb(skb); | |
634b8f49 | 634 | libertas_interrupt(priv->dev); |
876c9d3a MT |
635 | spin_unlock(&priv->adapter->driver_lock); |
636 | ||
9012b28a | 637 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
638 | "Wake up main thread to handle cmd response\n"); |
639 | ||
640 | return; | |
641 | } | |
642 | ||
643 | /** | |
644 | * @brief This function reads of the packet into the upload buff, | |
645 | * wake up the main thread and initialise the Rx callack. | |
646 | * | |
647 | * @param urb pointer to struct urb | |
648 | * @return N/A | |
649 | */ | |
650 | static void if_usb_receive(struct urb *urb) | |
651 | { | |
652 | struct read_cb_info *rinfo = (struct read_cb_info *)urb->context; | |
876c9d3a | 653 | struct sk_buff *skb = rinfo->skb; |
954ee164 DW |
654 | struct usb_card_rec *cardp = (struct usb_card_rec *) rinfo->cardp; |
655 | wlan_private * priv = cardp->priv; | |
876c9d3a MT |
656 | |
657 | int recvlength = urb->actual_length; | |
658 | u8 *recvbuff = NULL; | |
8362cd41 | 659 | u32 recvtype = 0; |
876c9d3a | 660 | |
9012b28a | 661 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a MT |
662 | |
663 | if (recvlength) { | |
8362cd41 DW |
664 | __le32 tmp; |
665 | ||
876c9d3a | 666 | if (urb->status) { |
9012b28a | 667 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
668 | "URB status is failed\n"); |
669 | kfree_skb(skb); | |
670 | goto setup_for_next; | |
671 | } | |
672 | ||
673 | recvbuff = skb->data + IPFIELD_ALIGN_OFFSET; | |
8362cd41 DW |
674 | memcpy(&tmp, recvbuff, sizeof(u32)); |
675 | recvtype = le32_to_cpu(tmp); | |
9012b28a | 676 | lbs_deb_usbd(&cardp->udev->dev, |
8362cd41 DW |
677 | "Recv length = 0x%x, Recv type = 0x%X\n", |
678 | recvlength, recvtype); | |
876c9d3a MT |
679 | } else if (urb->status) |
680 | goto rx_exit; | |
681 | ||
876c9d3a MT |
682 | switch (recvtype) { |
683 | case CMD_TYPE_DATA: | |
684 | process_cmdtypedata(recvlength, skb, cardp, priv); | |
685 | break; | |
686 | ||
687 | case CMD_TYPE_REQUEST: | |
688 | process_cmdrequest(recvlength, recvbuff, skb, cardp, priv); | |
689 | break; | |
690 | ||
691 | case CMD_TYPE_INDICATION: | |
692 | /* Event cause handling */ | |
693 | spin_lock(&priv->adapter->driver_lock); | |
981f187b | 694 | cardp->usb_event_cause = le32_to_cpu(*(__le32 *) (recvbuff + MESSAGE_HEADER_LEN)); |
9012b28a | 695 | lbs_deb_usbd(&cardp->udev->dev,"**EVENT** 0x%X\n", |
876c9d3a MT |
696 | cardp->usb_event_cause); |
697 | if (cardp->usb_event_cause & 0xffff0000) { | |
698 | libertas_send_tx_feedback(priv); | |
12a4d265 | 699 | spin_unlock(&priv->adapter->driver_lock); |
876c9d3a MT |
700 | break; |
701 | } | |
981f187b | 702 | cardp->usb_event_cause <<= 3; |
c95c7f93 | 703 | cardp->usb_int_cause |= MRVDRV_CARDEVENT; |
876c9d3a | 704 | kfree_skb(skb); |
634b8f49 | 705 | libertas_interrupt(priv->dev); |
876c9d3a MT |
706 | spin_unlock(&priv->adapter->driver_lock); |
707 | goto rx_exit; | |
708 | default: | |
8362cd41 DW |
709 | lbs_deb_usbd(&cardp->udev->dev, "Unknown command type 0x%X\n", |
710 | recvtype); | |
876c9d3a MT |
711 | kfree_skb(skb); |
712 | break; | |
713 | } | |
714 | ||
715 | setup_for_next: | |
954ee164 | 716 | if_usb_submit_rx_urb(cardp); |
876c9d3a | 717 | rx_exit: |
9012b28a | 718 | lbs_deb_leave(LBS_DEB_USB); |
876c9d3a MT |
719 | } |
720 | ||
721 | /** | |
722 | * @brief This function downloads data to FW | |
723 | * @param priv pointer to wlan_private structure | |
724 | * @param type type of data | |
725 | * @param buf pointer to data buffer | |
726 | * @param len number of bytes | |
727 | * @return 0 or -1 | |
728 | */ | |
208fdd2f | 729 | static int if_usb_host_to_card(wlan_private * priv, u8 type, u8 * payload, u16 nb) |
876c9d3a | 730 | { |
634b8f49 | 731 | struct usb_card_rec *cardp = (struct usb_card_rec *)priv->card; |
876c9d3a | 732 | |
9012b28a HS |
733 | lbs_deb_usbd(&cardp->udev->dev,"*** type = %u\n", type); |
734 | lbs_deb_usbd(&cardp->udev->dev,"size after = %d\n", nb); | |
876c9d3a MT |
735 | |
736 | if (type == MVMS_CMD) { | |
8362cd41 | 737 | __le32 tmp = cpu_to_le32(CMD_TYPE_REQUEST); |
634b8f49 | 738 | priv->dnld_sent = DNLD_CMD_SENT; |
876c9d3a MT |
739 | memcpy(cardp->bulk_out_buffer, (u8 *) & tmp, |
740 | MESSAGE_HEADER_LEN); | |
741 | ||
742 | } else { | |
8362cd41 | 743 | __le32 tmp = cpu_to_le32(CMD_TYPE_DATA); |
634b8f49 | 744 | priv->dnld_sent = DNLD_DATA_SENT; |
876c9d3a MT |
745 | memcpy(cardp->bulk_out_buffer, (u8 *) & tmp, |
746 | MESSAGE_HEADER_LEN); | |
747 | } | |
748 | ||
749 | memcpy((cardp->bulk_out_buffer + MESSAGE_HEADER_LEN), payload, nb); | |
750 | ||
954ee164 | 751 | return usb_tx_block(cardp, cardp->bulk_out_buffer, |
8362cd41 | 752 | nb + MESSAGE_HEADER_LEN); |
876c9d3a MT |
753 | } |
754 | ||
755 | /* called with adapter->driver_lock held */ | |
208fdd2f | 756 | static int if_usb_get_int_status(wlan_private * priv, u8 * ireg) |
876c9d3a | 757 | { |
634b8f49 | 758 | struct usb_card_rec *cardp = priv->card; |
876c9d3a MT |
759 | |
760 | *ireg = cardp->usb_int_cause; | |
761 | cardp->usb_int_cause = 0; | |
762 | ||
9012b28a | 763 | lbs_deb_usbd(&cardp->udev->dev,"Int cause is 0x%X\n", *ireg); |
876c9d3a MT |
764 | |
765 | return 0; | |
766 | } | |
767 | ||
208fdd2f | 768 | static int if_usb_read_event_cause(wlan_private * priv) |
876c9d3a | 769 | { |
634b8f49 | 770 | struct usb_card_rec *cardp = priv->card; |
954ee164 | 771 | |
876c9d3a MT |
772 | priv->adapter->eventcause = cardp->usb_event_cause; |
773 | /* Re-submit rx urb here to avoid event lost issue */ | |
954ee164 | 774 | if_usb_submit_rx_urb(cardp); |
876c9d3a MT |
775 | return 0; |
776 | } | |
777 | ||
9e22cb67 DW |
778 | /** |
779 | * @brief This function issues Boot command to the Boot2 code | |
780 | * @param ivalue 1:Boot from FW by USB-Download | |
781 | * 2:Boot from FW in EEPROM | |
782 | * @return 0 | |
783 | */ | |
954ee164 | 784 | static int if_usb_issue_boot_command(struct usb_card_rec *cardp, int ivalue) |
9e22cb67 | 785 | { |
954ee164 | 786 | struct bootcmdstr sbootcmd; |
9e22cb67 DW |
787 | int i; |
788 | ||
789 | /* Prepare command */ | |
790 | sbootcmd.u32magicnumber = cpu_to_le32(BOOT_CMD_MAGIC_NUMBER); | |
791 | sbootcmd.u8cmd_tag = ivalue; | |
792 | for (i=0; i<11; i++) | |
793 | sbootcmd.au8dumy[i]=0x00; | |
794 | memcpy(cardp->bulk_out_buffer, &sbootcmd, sizeof(struct bootcmdstr)); | |
795 | ||
796 | /* Issue command */ | |
954ee164 | 797 | usb_tx_block(cardp, cardp->bulk_out_buffer, sizeof(struct bootcmdstr)); |
9e22cb67 DW |
798 | |
799 | return 0; | |
800 | } | |
876c9d3a MT |
801 | |
802 | ||
954ee164 DW |
803 | /** |
804 | * @brief This function checks the validity of Boot2/FW image. | |
805 | * | |
806 | * @param data pointer to image | |
807 | * len image length | |
808 | * @return 0 or -1 | |
809 | */ | |
810 | static int check_fwfile_format(u8 *data, u32 totlen) | |
811 | { | |
812 | u32 bincmd, exit; | |
813 | u32 blksize, offset, len; | |
814 | int ret; | |
815 | ||
816 | ret = 1; | |
817 | exit = len = 0; | |
818 | ||
819 | do { | |
820 | struct fwheader *fwh = (void *)data; | |
821 | ||
822 | bincmd = le32_to_cpu(fwh->dnldcmd); | |
823 | blksize = le32_to_cpu(fwh->datalength); | |
824 | switch (bincmd) { | |
825 | case FW_HAS_DATA_TO_RECV: | |
826 | offset = sizeof(struct fwheader) + blksize; | |
827 | data += offset; | |
828 | len += offset; | |
829 | if (len >= totlen) | |
830 | exit = 1; | |
831 | break; | |
832 | case FW_HAS_LAST_BLOCK: | |
833 | exit = 1; | |
834 | ret = 0; | |
835 | break; | |
836 | default: | |
837 | exit = 1; | |
838 | break; | |
839 | } | |
840 | } while (!exit); | |
841 | ||
842 | if (ret) | |
843 | lbs_pr_err("firmware file format check FAIL\n"); | |
844 | else | |
845 | lbs_deb_fw("firmware file format check PASS\n"); | |
846 | ||
847 | return ret; | |
848 | } | |
849 | ||
850 | ||
851 | static int if_usb_prog_firmware(struct usb_card_rec *cardp) | |
876c9d3a | 852 | { |
876c9d3a MT |
853 | int i = 0; |
854 | static int reset_count = 10; | |
9012b28a | 855 | int ret = 0; |
876c9d3a | 856 | |
9012b28a | 857 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a | 858 | |
954ee164 DW |
859 | if ((ret = request_firmware(&cardp->fw, libertas_fw_name, |
860 | &cardp->udev->dev)) < 0) { | |
861 | lbs_pr_err("request_firmware() failed with %#x\n", ret); | |
862 | lbs_pr_err("firmware %s not found\n", libertas_fw_name); | |
863 | goto done; | |
864 | } | |
865 | ||
866 | if (check_fwfile_format(cardp->fw->data, cardp->fw->size)) | |
867 | goto release_fw; | |
876c9d3a MT |
868 | |
869 | restart: | |
954ee164 | 870 | if (if_usb_submit_rx_urb_fwload(cardp) < 0) { |
9012b28a HS |
871 | lbs_deb_usbd(&cardp->udev->dev, "URB submission is failed\n"); |
872 | ret = -1; | |
954ee164 | 873 | goto release_fw; |
876c9d3a MT |
874 | } |
875 | ||
876c9d3a MT |
876 | cardp->bootcmdresp = 0; |
877 | do { | |
878 | int j = 0; | |
879 | i++; | |
880 | /* Issue Boot command = 1, Boot from Download-FW */ | |
954ee164 | 881 | if_usb_issue_boot_command(cardp, BOOT_CMD_FW_BY_USB); |
876c9d3a MT |
882 | /* wait for command response */ |
883 | do { | |
884 | j++; | |
885 | msleep_interruptible(100); | |
886 | } while (cardp->bootcmdresp == 0 && j < 10); | |
887 | } while (cardp->bootcmdresp == 0 && i < 5); | |
888 | ||
889 | if (cardp->bootcmdresp == 0) { | |
890 | if (--reset_count >= 0) { | |
954ee164 | 891 | if_usb_reset_device(cardp); |
876c9d3a MT |
892 | goto restart; |
893 | } | |
894 | return -1; | |
895 | } | |
876c9d3a MT |
896 | |
897 | i = 0; | |
876c9d3a MT |
898 | |
899 | cardp->totalbytes = 0; | |
900 | cardp->fwlastblksent = 0; | |
901 | cardp->CRC_OK = 1; | |
902 | cardp->fwdnldover = 0; | |
903 | cardp->fwseqnum = -1; | |
904 | cardp->totalbytes = 0; | |
905 | cardp->fwfinalblk = 0; | |
906 | ||
954ee164 | 907 | if_prog_firmware(cardp); |
876c9d3a MT |
908 | |
909 | do { | |
9012b28a | 910 | lbs_deb_usbd(&cardp->udev->dev,"Wlan sched timeout\n"); |
876c9d3a MT |
911 | i++; |
912 | msleep_interruptible(100); | |
954ee164 | 913 | if (cardp->surprise_removed || i >= 20) |
876c9d3a MT |
914 | break; |
915 | } while (!cardp->fwdnldover); | |
916 | ||
917 | if (!cardp->fwdnldover) { | |
918 | lbs_pr_info("failed to load fw, resetting device!\n"); | |
919 | if (--reset_count >= 0) { | |
954ee164 | 920 | if_usb_reset_device(cardp); |
876c9d3a MT |
921 | goto restart; |
922 | } | |
923 | ||
924 | lbs_pr_info("FW download failure, time = %d ms\n", i * 100); | |
9012b28a | 925 | ret = -1; |
954ee164 | 926 | goto release_fw; |
876c9d3a MT |
927 | } |
928 | ||
954ee164 DW |
929 | release_fw: |
930 | release_firmware(cardp->fw); | |
931 | cardp->fw = NULL; | |
876c9d3a | 932 | |
9012b28a HS |
933 | done: |
934 | lbs_deb_leave_args(LBS_DEB_USB, "ret %d", ret); | |
935 | return ret; | |
876c9d3a MT |
936 | } |
937 | ||
1df4e8fe | 938 | |
876c9d3a MT |
939 | #ifdef CONFIG_PM |
940 | static int if_usb_suspend(struct usb_interface *intf, pm_message_t message) | |
941 | { | |
942 | struct usb_card_rec *cardp = usb_get_intfdata(intf); | |
943 | wlan_private *priv = cardp->priv; | |
944 | ||
9012b28a | 945 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a MT |
946 | |
947 | if (priv->adapter->psstate != PS_STATE_FULL_POWER) | |
948 | return -1; | |
949 | ||
d21b31fd LCC |
950 | if (priv->mesh_dev && !priv->mesh_autostart_enabled) { |
951 | /* Mesh autostart must be activated while sleeping | |
952 | * On resume it will go back to the current state | |
953 | */ | |
954 | struct cmd_ds_mesh_access mesh_access; | |
955 | memset(&mesh_access, 0, sizeof(mesh_access)); | |
956 | mesh_access.data[0] = cpu_to_le32(1); | |
957 | libertas_prepare_and_send_command(priv, | |
958 | CMD_MESH_ACCESS, | |
959 | CMD_ACT_MESH_SET_AUTOSTART_ENABLED, | |
960 | CMD_OPTION_WAITFORRSP, 0, (void *)&mesh_access); | |
961 | } | |
962 | ||
876c9d3a | 963 | netif_device_detach(cardp->eth_dev); |
51d84f50 | 964 | netif_device_detach(priv->mesh_dev); |
876c9d3a MT |
965 | |
966 | /* Unlink tx & rx urb */ | |
967 | usb_kill_urb(cardp->tx_urb); | |
968 | usb_kill_urb(cardp->rx_urb); | |
969 | ||
970 | cardp->rx_urb_recall = 1; | |
971 | ||
9012b28a | 972 | lbs_deb_leave(LBS_DEB_USB); |
876c9d3a MT |
973 | return 0; |
974 | } | |
975 | ||
976 | static int if_usb_resume(struct usb_interface *intf) | |
977 | { | |
978 | struct usb_card_rec *cardp = usb_get_intfdata(intf); | |
51d84f50 | 979 | wlan_private *priv = cardp->priv; |
876c9d3a | 980 | |
9012b28a | 981 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a MT |
982 | |
983 | cardp->rx_urb_recall = 0; | |
984 | ||
985 | if_usb_submit_rx_urb(cardp->priv); | |
986 | ||
987 | netif_device_attach(cardp->eth_dev); | |
51d84f50 | 988 | netif_device_attach(priv->mesh_dev); |
876c9d3a | 989 | |
d21b31fd LCC |
990 | if (priv->mesh_dev && !priv->mesh_autostart_enabled) { |
991 | /* Mesh autostart was activated while sleeping | |
992 | * Disable it if appropriate | |
993 | */ | |
994 | struct cmd_ds_mesh_access mesh_access; | |
995 | memset(&mesh_access, 0, sizeof(mesh_access)); | |
996 | mesh_access.data[0] = cpu_to_le32(0); | |
997 | libertas_prepare_and_send_command(priv, | |
998 | CMD_MESH_ACCESS, | |
999 | CMD_ACT_MESH_SET_AUTOSTART_ENABLED, | |
1000 | CMD_OPTION_WAITFORRSP, 0, (void *)&mesh_access); | |
1001 | } | |
1002 | ||
9012b28a | 1003 | lbs_deb_leave(LBS_DEB_USB); |
876c9d3a MT |
1004 | return 0; |
1005 | } | |
1006 | #else | |
1007 | #define if_usb_suspend NULL | |
1008 | #define if_usb_resume NULL | |
1009 | #endif | |
1010 | ||
1011 | static struct usb_driver if_usb_driver = { | |
1012 | /* driver name */ | |
1013 | .name = usbdriver_name, | |
1014 | /* probe function name */ | |
1015 | .probe = if_usb_probe, | |
1016 | /* disconnect function name */ | |
1017 | .disconnect = if_usb_disconnect, | |
1018 | /* device signature table */ | |
1019 | .id_table = if_usb_table, | |
1020 | .suspend = if_usb_suspend, | |
1021 | .resume = if_usb_resume, | |
1022 | }; | |
1023 | ||
084708b6 | 1024 | static int if_usb_init_module(void) |
876c9d3a | 1025 | { |
084708b6 | 1026 | int ret = 0; |
876c9d3a | 1027 | |
084708b6 HS |
1028 | lbs_deb_enter(LBS_DEB_MAIN); |
1029 | ||
1030 | if (libertas_fw_name == NULL) { | |
1031 | libertas_fw_name = default_fw_name; | |
1032 | } | |
1033 | ||
1034 | ret = usb_register(&if_usb_driver); | |
1035 | ||
1036 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret); | |
1037 | return ret; | |
876c9d3a MT |
1038 | } |
1039 | ||
084708b6 | 1040 | static void if_usb_exit_module(void) |
876c9d3a | 1041 | { |
d43fb8ee | 1042 | struct usb_card_rec *cardp, *cardp_temp; |
3874d0fe | 1043 | |
084708b6 HS |
1044 | lbs_deb_enter(LBS_DEB_MAIN); |
1045 | ||
b6e99dd6 DW |
1046 | list_for_each_entry_safe(cardp, cardp_temp, &usb_devices, list) { |
1047 | libertas_prepare_and_send_command(cardp->priv, CMD_802_11_RESET, | |
1048 | CMD_ACT_HALT, 0, 0, NULL); | |
1049 | } | |
3874d0fe | 1050 | |
876c9d3a MT |
1051 | /* API unregisters the driver from USB subsystem */ |
1052 | usb_deregister(&if_usb_driver); | |
084708b6 HS |
1053 | |
1054 | lbs_deb_leave(LBS_DEB_MAIN); | |
876c9d3a | 1055 | } |
084708b6 HS |
1056 | |
1057 | module_init(if_usb_init_module); | |
1058 | module_exit(if_usb_exit_module); | |
1059 | ||
1060 | MODULE_DESCRIPTION("8388 USB WLAN Driver"); | |
1061 | MODULE_AUTHOR("Marvell International Ltd."); | |
1062 | MODULE_LICENSE("GPL"); |