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Merge remote-tracking branch 'staging/staging-next'
[deliverable/linux.git] / drivers / staging / rtl8188eu / os_dep / usb_ops_linux.c
CommitLineData
c2478d39
LF		 1/******************************************************************************
2 *
3 * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved.
4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of version 2 of the GNU General Public License as
7 * published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
12 * more details.
13 *
c2478d39
LF		 14 ******************************************************************************/
15#define _USB_OPS_LINUX_C_
16
17#include <drv_types.h>
ab63f1eb 18#include <recv_osdep.h>
c2478d39
LF		 19#include <rtw_sreset.h>
20
ab63f1eb 21static void interrupt_handler_8188eu(struct adapter *adapt, u16 pkt_len, u8 *pbuf)
22{
23 struct hal_data_8188e *haldata = GET_HAL_DATA(adapt);
24
25 if (pkt_len != INTERRUPT_MSG_FORMAT_LEN) {
26 DBG_88E("%s Invalid interrupt content length (%d)!\n", __func__, pkt_len);
27 return;
28 }
29
30 /* HISR */
31 memcpy(&(haldata->IntArray[0]), &(pbuf[USB_INTR_CONTENT_HISR_OFFSET]), 4);
32 memcpy(&(haldata->IntArray[1]), &(pbuf[USB_INTR_CONTENT_HISRE_OFFSET]), 4);
33
34 /* C2H Event */
35 if (pbuf[0] != 0)
36 memcpy(&(haldata->C2hArray[0]), &(pbuf[USB_INTR_CONTENT_C2H_OFFSET]), 16);
37}
38
39static int recvbuf2recvframe(struct adapter *adapt, struct sk_buff *pskb)
40{
41 u8 *pbuf;
42 u8 shift_sz = 0;
43 u16 pkt_cnt;
44 u32 pkt_offset, skb_len, alloc_sz;
45 s32 transfer_len;
46 struct recv_stat *prxstat;
47 struct phy_stat *pphy_status = NULL;
48 struct sk_buff *pkt_copy = NULL;
49 struct recv_frame *precvframe = NULL;
50 struct rx_pkt_attrib *pattrib = NULL;
51 struct hal_data_8188e *haldata = GET_HAL_DATA(adapt);
52 struct recv_priv *precvpriv = &adapt->recvpriv;
53 struct __queue *pfree_recv_queue = &precvpriv->free_recv_queue;
54
55 transfer_len = (s32)pskb->len;
56 pbuf = pskb->data;
57
58 prxstat = (struct recv_stat *)pbuf;
59 pkt_cnt = (le32_to_cpu(prxstat->rxdw2) >> 16) & 0xff;
60
61 do {
62 RT_TRACE(_module_rtl871x_recv_c_, _drv_info_,
63 ("recvbuf2recvframe: rxdesc=offsset 0:0x%08x, 4:0x%08x, 8:0x%08x, C:0x%08x\n",
64 prxstat->rxdw0, prxstat->rxdw1, prxstat->rxdw2, prxstat->rxdw4));
65
66 prxstat = (struct recv_stat *)pbuf;
67
68 precvframe = rtw_alloc_recvframe(pfree_recv_queue);
69 if (precvframe == NULL) {
70 RT_TRACE(_module_rtl871x_recv_c_, _drv_err_, ("recvbuf2recvframe: precvframe==NULL\n"));
71 DBG_88E("%s()-%d: rtw_alloc_recvframe() failed! RX Drop!\n", __func__, __LINE__);
72 goto _exit_recvbuf2recvframe;
73 }
74
aa3f5ccb 75 INIT_LIST_HEAD(&precvframe->list);
ab63f1eb 76 precvframe->len = 0;
77
78 update_recvframe_attrib_88e(precvframe, prxstat);
79
80 pattrib = &precvframe->attrib;
81
82 if ((pattrib->crc_err) || (pattrib->icv_err)) {
83 DBG_88E("%s: RX Warning! crc_err=%d icv_err=%d, skip!\n", __func__, pattrib->crc_err, pattrib->icv_err);
84
85 rtw_free_recvframe(precvframe, pfree_recv_queue);
86 goto _exit_recvbuf2recvframe;
87 }
88
89 if ((pattrib->physt) && (pattrib->pkt_rpt_type == NORMAL_RX))
90 pphy_status = (struct phy_stat *)(pbuf + RXDESC_OFFSET);
91
92 pkt_offset = RXDESC_SIZE + pattrib->drvinfo_sz + pattrib->shift_sz + pattrib->pkt_len;
93
94 if ((pattrib->pkt_len <= 0) || (pkt_offset > transfer_len)) {
95 RT_TRACE(_module_rtl871x_recv_c_, _drv_info_, ("recvbuf2recvframe: pkt_len<=0\n"));
96 DBG_88E("%s()-%d: RX Warning!,pkt_len<=0 or pkt_offset> transfoer_len\n", __func__, __LINE__);
97 rtw_free_recvframe(precvframe, pfree_recv_queue);
98 goto _exit_recvbuf2recvframe;
99 }
100
101 /* Modified by Albert 20101213 */
102 /* For 8 bytes IP header alignment. */
103 if (pattrib->qos) /* Qos data, wireless lan header length is 26 */
104 shift_sz = 6;
105 else
106 shift_sz = 0;
107
108 skb_len = pattrib->pkt_len;
109
110 /* for first fragment packet, driver need allocate 1536+drvinfo_sz+RXDESC_SIZE to defrag packet. */
111 /* modify alloc_sz for recvive crc error packet by thomas 2011-06-02 */
112 if ((pattrib->mfrag == 1) && (pattrib->frag_num == 0)) {
113 if (skb_len <= 1650)
114 alloc_sz = 1664;
115 else
116 alloc_sz = skb_len + 14;
117 } else {
118 alloc_sz = skb_len;
119 /* 6 is for IP header 8 bytes alignment in QoS packet case. */
120 /* 8 is for skb->data 4 bytes alignment. */
121 alloc_sz += 14;
122 }
123
124 pkt_copy = netdev_alloc_skb(adapt->pnetdev, alloc_sz);
125 if (pkt_copy) {
126 pkt_copy->dev = adapt->pnetdev;
127 precvframe->pkt = pkt_copy;
128 precvframe->rx_head = pkt_copy->data;
129 precvframe->rx_end = pkt_copy->data + alloc_sz;
130 skb_reserve(pkt_copy, 8 - ((size_t)(pkt_copy->data) & 7));/* force pkt_copy->data at 8-byte alignment address */
131 skb_reserve(pkt_copy, shift_sz);/* force ip_hdr at 8-byte alignment address according to shift_sz. */
132 memcpy(pkt_copy->data, (pbuf + pattrib->drvinfo_sz + RXDESC_SIZE), skb_len);
133 precvframe->rx_tail = pkt_copy->data;
134 precvframe->rx_data = pkt_copy->data;
135 } else {
136 if ((pattrib->mfrag == 1) && (pattrib->frag_num == 0)) {
137 DBG_88E("recvbuf2recvframe: alloc_skb fail , drop frag frame\n");
138 rtw_free_recvframe(precvframe, pfree_recv_queue);
139 goto _exit_recvbuf2recvframe;
140 }
141 precvframe->pkt = skb_clone(pskb, GFP_ATOMIC);
142 if (precvframe->pkt) {
143 precvframe->rx_tail = pbuf + pattrib->drvinfo_sz + RXDESC_SIZE;
144 precvframe->rx_head = precvframe->rx_tail;
145 precvframe->rx_data = precvframe->rx_tail;
146 precvframe->rx_end = pbuf + pattrib->drvinfo_sz + RXDESC_SIZE + alloc_sz;
147 } else {
148 DBG_88E("recvbuf2recvframe: skb_clone fail\n");
149 rtw_free_recvframe(precvframe, pfree_recv_queue);
150 goto _exit_recvbuf2recvframe;
151 }
152 }
153
154 recvframe_put(precvframe, skb_len);
155
156 switch (haldata->UsbRxAggMode) {
157 case USB_RX_AGG_DMA:
158 case USB_RX_AGG_MIX:
7be921a2 159 pkt_offset = (u16)round_up(pkt_offset, 128);
ab63f1eb 160 break;
161 case USB_RX_AGG_USB:
7be921a2 162 pkt_offset = (u16)round_up(pkt_offset, 4);
ab63f1eb 163 break;
164 case USB_RX_AGG_DISABLE:
165 default:
166 break;
167 }
168 if (pattrib->pkt_rpt_type == NORMAL_RX) { /* Normal rx packet */
169 if (pattrib->physt)
170 update_recvframe_phyinfo_88e(precvframe, (struct phy_stat *)pphy_status);
171 if (rtw_recv_entry(precvframe) != _SUCCESS) {
172 RT_TRACE(_module_rtl871x_recv_c_, _drv_err_,
173 ("recvbuf2recvframe: rtw_recv_entry(precvframe) != _SUCCESS\n"));
174 }
175 } else {
176 /* enqueue recvframe to txrtp queue */
177 if (pattrib->pkt_rpt_type == TX_REPORT1) {
178 /* CCX-TXRPT ack for xmit mgmt frames. */
179 handle_txrpt_ccx_88e(adapt, precvframe->rx_data);
180 } else if (pattrib->pkt_rpt_type == TX_REPORT2) {
181 ODM_RA_TxRPT2Handle_8188E(
182 &haldata->odmpriv,
183 precvframe->rx_data,
184 pattrib->pkt_len,
185 pattrib->MacIDValidEntry[0],
186 pattrib->MacIDValidEntry[1]
187 );
188 } else if (pattrib->pkt_rpt_type == HIS_REPORT) {
189 interrupt_handler_8188eu(adapt, pattrib->pkt_len, precvframe->rx_data);
190 }
191 rtw_free_recvframe(precvframe, pfree_recv_queue);
192 }
193 pkt_cnt--;
194 transfer_len -= pkt_offset;
195 pbuf += pkt_offset;
196 precvframe = NULL;
197 pkt_copy = NULL;
198
199 if (transfer_len > 0 && pkt_cnt == 0)
200 pkt_cnt = (le32_to_cpu(prxstat->rxdw2)>>16) & 0xff;
201
202 } while ((transfer_len > 0) && (pkt_cnt > 0));
203
204_exit_recvbuf2recvframe:
205
206 return _SUCCESS;
207}
208
c2478d39
LF		 209unsigned int ffaddr2pipehdl(struct dvobj_priv *pdvobj, u32 addr)
210{
211 unsigned int pipe = 0, ep_num = 0;
212 struct usb_device *pusbd = pdvobj->pusbdev;
213
214 if (addr == RECV_BULK_IN_ADDR) {
215 pipe = usb_rcvbulkpipe(pusbd, pdvobj->RtInPipe[0]);
216 } else if (addr == RECV_INT_IN_ADDR) {
217 pipe = usb_rcvbulkpipe(pusbd, pdvobj->RtInPipe[1]);
218 } else if (addr < HW_QUEUE_ENTRY) {
219 ep_num = pdvobj->Queue2Pipe[addr];
220 pipe = usb_sndbulkpipe(pusbd, ep_num);
221 }
222
223 return pipe;
224}
225
ab63f1eb 226static int usbctrl_vendorreq(struct adapter *adapt, u8 request, u16 value, u16 index, void *pdata, u16 len, u8 requesttype)
227{
228 struct dvobj_priv *dvobjpriv = adapter_to_dvobj(adapt);
229 struct usb_device *udev = dvobjpriv->pusbdev;
230 unsigned int pipe;
231 int status = 0;
232 u8 reqtype;
233 u8 *pIo_buf;
234 int vendorreq_times = 0;
235
236 if ((adapt->bSurpriseRemoved) || (adapt->pwrctrlpriv.pnp_bstop_trx)) {
237 RT_TRACE(_module_hci_ops_os_c_, _drv_err_, ("usbctrl_vendorreq:(adapt->bSurpriseRemoved ||adapter->pwrctrlpriv.pnp_bstop_trx)!!!\n"));
238 status = -EPERM;
239 goto exit;
240 }
241
242 if (len > MAX_VENDOR_REQ_CMD_SIZE) {
243 DBG_88E("[%s] Buffer len error ,vendor request failed\n", __func__);
244 status = -EINVAL;
245 goto exit;
246 }
247
ac0a3667
AK		 248 if (mutex_lock_interruptible(&dvobjpriv->usb_vendor_req_mutex)) {
249 status = -ERESTARTSYS;
250 goto exit;
251 }
ab63f1eb 252
253 /* Acquire IO memory for vendorreq */
cf65514a 254 pIo_buf = kmalloc(MAX_USB_IO_CTL_SIZE, GFP_ATOMIC);
ab63f1eb 255
256 if (pIo_buf == NULL) {
257 DBG_88E("[%s] pIo_buf == NULL\n", __func__);
258 status = -ENOMEM;
259 goto release_mutex;
260 }
261
262 while (++vendorreq_times <= MAX_USBCTRL_VENDORREQ_TIMES) {
1ce39848 263 memset(pIo_buf, 0, len);
ab63f1eb 264
265 if (requesttype == 0x01) {
266 pipe = usb_rcvctrlpipe(udev, 0);/* read_in */
267 reqtype = REALTEK_USB_VENQT_READ;
268 } else {
269 pipe = usb_sndctrlpipe(udev, 0);/* write_out */
270 reqtype = REALTEK_USB_VENQT_WRITE;
271 memcpy(pIo_buf, pdata, len);
272 }
273
8ccd2d54 274 status = usb_control_msg(udev, pipe, request, reqtype, value, index, pIo_buf, len, RTW_USB_CONTROL_MSG_TIMEOUT);
ab63f1eb 275
276 if (status == len) { /* Success this control transfer. */
ab63f1eb 277 if (requesttype == 0x01)
278 memcpy(pdata, pIo_buf, len);
279 } else { /* error cases */
280 DBG_88E("reg 0x%x, usb %s %u fail, status:%d value=0x%x, vendorreq_times:%d\n",
281 value, (requesttype == 0x01) ? "read" : "write",
282 len, status, *(u32 *)pdata, vendorreq_times);
283
284 if (status < 0) {
285 if (status == (-ESHUTDOWN) || status == -ENODEV) {
286 adapt->bSurpriseRemoved = true;
287 } else {
288 struct hal_data_8188e *haldata = GET_HAL_DATA(adapt);
289 haldata->srestpriv.Wifi_Error_Status = USB_VEN_REQ_CMD_FAIL;
290 }
291 } else { /* status != len && status >= 0 */
292 if (status > 0) {
293 if (requesttype == 0x01) {
294 /* For Control read transfer, we have to copy the read data from pIo_buf to pdata. */
295 memcpy(pdata, pIo_buf, len);
296 }
297 }
298 }
299
ab63f1eb 300 }
301
302 /* firmware download is checksumed, don't retry */
303 if ((value >= FW_8188E_START_ADDRESS && value <= FW_8188E_END_ADDRESS) || status == len)
304 break;
305 }
cf65514a
IS		 306 kfree(pIo_buf);
307
ab63f1eb 308release_mutex:
309 mutex_unlock(&dvobjpriv->usb_vendor_req_mutex);
310exit:
311 return status;
312}
313
314u8 usb_read8(struct adapter *adapter, u32 addr)
315{
316 u8 request;
317 u8 requesttype;
318 u16 wvalue;
319 u16 index;
320 u16 len;
321 u8 data = 0;
322
323
324 request = 0x05;
325 requesttype = 0x01;/* read_in */
326 index = 0;/* n/a */
327
328 wvalue = (u16)(addr&0x0000ffff);
329 len = 1;
330
331 usbctrl_vendorreq(adapter, request, wvalue, index, &data, len, requesttype);
332
333
334 return data;
335
336}
337
338u16 usb_read16(struct adapter *adapter, u32 addr)
339{
340 u8 request;
341 u8 requesttype;
342 u16 wvalue;
343 u16 index;
344 u16 len;
345 __le32 data;
346
347 request = 0x05;
348 requesttype = 0x01;/* read_in */
349 index = 0;/* n/a */
350 wvalue = (u16)(addr&0x0000ffff);
351 len = 2;
352 usbctrl_vendorreq(adapter, request, wvalue, index, &data, len, requesttype);
353
354 return (u16)(le32_to_cpu(data)&0xffff);
355}
356
357u32 usb_read32(struct adapter *adapter, u32 addr)
358{
359 u8 request;
360 u8 requesttype;
361 u16 wvalue;
362 u16 index;
363 u16 len;
364 __le32 data;
365
366
367 request = 0x05;
368 requesttype = 0x01;/* read_in */
369 index = 0;/* n/a */
370
371 wvalue = (u16)(addr&0x0000ffff);
372 len = 4;
373
374 usbctrl_vendorreq(adapter, request, wvalue, index, &data, len, requesttype);
375
376
377 return le32_to_cpu(data);
378}
379
380static void usb_read_port_complete(struct urb *purb, struct pt_regs *regs)
381{
382 struct recv_buf *precvbuf = (struct recv_buf *)purb->context;
383 struct adapter *adapt = (struct adapter *)precvbuf->adapter;
384 struct recv_priv *precvpriv = &adapt->recvpriv;
385
386 RT_TRACE(_module_hci_ops_os_c_, _drv_err_, ("usb_read_port_complete!!!\n"));
387
388 precvpriv->rx_pending_cnt--;
389
390 if (adapt->bSurpriseRemoved || adapt->bDriverStopped || adapt->bReadPortCancel) {
391 RT_TRACE(_module_hci_ops_os_c_, _drv_err_,
392 ("usb_read_port_complete:bDriverStopped(%d) OR bSurpriseRemoved(%d)\n",
393 adapt->bDriverStopped, adapt->bSurpriseRemoved));
394
395 precvbuf->reuse = true;
396 DBG_88E("%s() RX Warning! bDriverStopped(%d) OR bSurpriseRemoved(%d) bReadPortCancel(%d)\n",
397 __func__, adapt->bDriverStopped,
398 adapt->bSurpriseRemoved, adapt->bReadPortCancel);
399 return;
400 }
401
402 if (purb->status == 0) { /* SUCCESS */
403 if ((purb->actual_length > MAX_RECVBUF_SZ) || (purb->actual_length < RXDESC_SIZE)) {
404 RT_TRACE(_module_hci_ops_os_c_, _drv_err_,
405 ("usb_read_port_complete: (purb->actual_length > MAX_RECVBUF_SZ) || (purb->actual_length < RXDESC_SIZE)\n"));
406 precvbuf->reuse = true;
407 usb_read_port(adapt, precvpriv->ff_hwaddr, 0, (unsigned char *)precvbuf);
408 DBG_88E("%s()-%d: RX Warning!\n", __func__, __LINE__);
409 } else {
ab63f1eb 410 skb_put(precvbuf->pskb, purb->actual_length);
411 skb_queue_tail(&precvpriv->rx_skb_queue, precvbuf->pskb);
412
413 if (skb_queue_len(&precvpriv->rx_skb_queue) <= 1)
414 tasklet_schedule(&precvpriv->recv_tasklet);
415
416 precvbuf->pskb = NULL;
417 precvbuf->reuse = false;
418 usb_read_port(adapt, precvpriv->ff_hwaddr, 0, (unsigned char *)precvbuf);
419 }
420 } else {
421 RT_TRACE(_module_hci_ops_os_c_, _drv_err_, ("usb_read_port_complete : purb->status(%d) != 0\n", purb->status));
422
423 DBG_88E("###=> usb_read_port_complete => urb status(%d)\n", purb->status);
424 skb_put(precvbuf->pskb, purb->actual_length);
425 precvbuf->pskb = NULL;
426
ab63f1eb 427 switch (purb->status) {
428 case -EINVAL:
429 case -EPIPE:
430 case -ENODEV:
431 case -ESHUTDOWN:
9463f27a 432 adapt->bSurpriseRemoved = true;
ab63f1eb 433 case -ENOENT:
434 adapt->bDriverStopped = true;
435 RT_TRACE(_module_hci_ops_os_c_, _drv_err_, ("usb_read_port_complete:bDriverStopped=true\n"));
436 break;
437 case -EPROTO:
438 case -EOVERFLOW:
439 {
440 struct hal_data_8188e *haldata = GET_HAL_DATA(adapt);
441 haldata->srestpriv.Wifi_Error_Status = USB_READ_PORT_FAIL;
442 }
443 precvbuf->reuse = true;
444 usb_read_port(adapt, precvpriv->ff_hwaddr, 0, (unsigned char *)precvbuf);
445 break;
446 case -EINPROGRESS:
447 DBG_88E("ERROR: URB IS IN PROGRESS!\n");
448 break;
449 default:
450 break;
451 }
452 }
453}
454
455u32 usb_read_port(struct adapter *adapter, u32 addr, u32 cnt, u8 *rmem)
456{
457 struct urb *purb = NULL;
458 struct recv_buf *precvbuf = (struct recv_buf *)rmem;
459 struct dvobj_priv *pdvobj = adapter_to_dvobj(adapter);
460 struct recv_priv *precvpriv = &adapter->recvpriv;
461 struct usb_device *pusbd = pdvobj->pusbdev;
462 int err;
463 unsigned int pipe;
464 size_t tmpaddr = 0;
465 size_t alignment = 0;
466 u32 ret = _SUCCESS;
467
468
469 if (adapter->bDriverStopped || adapter->bSurpriseRemoved ||
470 adapter->pwrctrlpriv.pnp_bstop_trx) {
471 RT_TRACE(_module_hci_ops_os_c_, _drv_err_,
472 ("usb_read_port:(adapt->bDriverStopped ||adapt->bSurpriseRemoved ||adapter->pwrctrlpriv.pnp_bstop_trx)!!!\n"));
473 return _FAIL;
474 }
475
476 if (!precvbuf) {
477 RT_TRACE(_module_hci_ops_os_c_, _drv_err_,
478 ("usb_read_port:precvbuf==NULL\n"));
479 return _FAIL;
480 }
481
482 if ((!precvbuf->reuse) || (precvbuf->pskb == NULL)) {
483 precvbuf->pskb = skb_dequeue(&precvpriv->free_recv_skb_queue);
484 if (NULL != precvbuf->pskb)
485 precvbuf->reuse = true;
486 }
487
488 /* re-assign for linux based on skb */
489 if ((!precvbuf->reuse) || (precvbuf->pskb == NULL)) {
490 precvbuf->pskb = netdev_alloc_skb(adapter->pnetdev, MAX_RECVBUF_SZ + RECVBUFF_ALIGN_SZ);
491 if (precvbuf->pskb == NULL) {
492 RT_TRACE(_module_hci_ops_os_c_, _drv_err_, ("init_recvbuf(): alloc_skb fail!\n"));
493 DBG_88E("#### usb_read_port() alloc_skb fail!#####\n");
494 return _FAIL;
495 }
496
497 tmpaddr = (size_t)precvbuf->pskb->data;
498 alignment = tmpaddr & (RECVBUFF_ALIGN_SZ-1);
499 skb_reserve(precvbuf->pskb, (RECVBUFF_ALIGN_SZ - alignment));
500 } else { /* reuse skb */
501 precvbuf->reuse = false;
502 }
503
504 precvpriv->rx_pending_cnt++;
505
506 purb = precvbuf->purb;
507
508 /* translate DMA FIFO addr to pipehandle */
509 pipe = ffaddr2pipehdl(pdvobj, addr);
510
511 usb_fill_bulk_urb(purb, pusbd, pipe,
512 precvbuf->pskb->data,
513 MAX_RECVBUF_SZ,
514 usb_read_port_complete,
515 precvbuf);/* context is precvbuf */
516
517 err = usb_submit_urb(purb, GFP_ATOMIC);
518 if ((err) && (err != (-EPERM))) {
519 RT_TRACE(_module_hci_ops_os_c_, _drv_err_,
520 ("cannot submit rx in-token(err=0x%.8x), URB_STATUS =0x%.8x",
521 err, purb->status));
522 DBG_88E("cannot submit rx in-token(err = 0x%08x),urb_status = %d\n",
523 err, purb->status);
524 ret = _FAIL;
525 }
526
527 return ret;
528}
529
08d58ec8 530void rtw_hal_inirp_deinit(struct adapter *padapter)
c2478d39
LF		 531{
532 int i;
533 struct recv_buf *precvbuf;
131c359e 534
c2478d39
LF		 535 precvbuf = (struct recv_buf *)padapter->recvpriv.precv_buf;
536
537 DBG_88E("%s\n", __func__);
538
539 padapter->bReadPortCancel = true;
540
541 for (i = 0; i < NR_RECVBUFF; i++) {
542 precvbuf->reuse = true;
543 if (precvbuf->purb)
544 usb_kill_urb(precvbuf->purb);
545 precvbuf++;
546 }
547}
548
ab63f1eb 549int usb_write8(struct adapter *adapter, u32 addr, u8 val)
550{
551 u8 request;
552 u8 requesttype;
553 u16 wvalue;
554 u16 index;
555 u16 len;
556 u8 data;
ab63f1eb 557
558 request = 0x05;
559 requesttype = 0x00;/* write_out */
560 index = 0;/* n/a */
561 wvalue = (u16)(addr&0x0000ffff);
562 len = 1;
563 data = val;
25034ff8
NSN		 564 return usbctrl_vendorreq(adapter, request, wvalue,
565 index, &data, len, requesttype);
ab63f1eb 566}
567
568int usb_write16(struct adapter *adapter, u32 addr, u16 val)
569{
570 u8 request;
571 u8 requesttype;
572 u16 wvalue;
573 u16 index;
574 u16 len;
575 __le32 data;
ab63f1eb 576
577
578 request = 0x05;
579 requesttype = 0x00;/* write_out */
580 index = 0;/* n/a */
581
582 wvalue = (u16)(addr&0x0000ffff);
583 len = 2;
584
585 data = cpu_to_le32(val & 0x0000ffff);
586
25034ff8
NSN		 587 return usbctrl_vendorreq(adapter, request, wvalue,
588 index, &data, len, requesttype);
ab63f1eb 589
590
ab63f1eb 591}
592
593int usb_write32(struct adapter *adapter, u32 addr, u32 val)
594{
595 u8 request;
596 u8 requesttype;
597 u16 wvalue;
598 u16 index;
599 u16 len;
600 __le32 data;
ab63f1eb 601
602
603 request = 0x05;
604 requesttype = 0x00;/* write_out */
605 index = 0;/* n/a */
606
607 wvalue = (u16)(addr&0x0000ffff);
608 len = 4;
609 data = cpu_to_le32(val);
610
25034ff8
NSN		 611 return usbctrl_vendorreq(adapter, request, wvalue,
612 index, &data, len, requesttype);
ab63f1eb 613
614
ab63f1eb 615}
616
c2478d39
LF		 617static void usb_write_port_complete(struct urb *purb, struct pt_regs *regs)
618{
619 struct xmit_buf *pxmitbuf = (struct xmit_buf *)purb->context;
620 struct adapter *padapter = pxmitbuf->padapter;
621 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
c2478d39
LF		 622
623 switch (pxmitbuf->flags) {
624 case VO_QUEUE_INX:
625 pxmitpriv->voq_cnt--;
626 break;
627 case VI_QUEUE_INX:
628 pxmitpriv->viq_cnt--;
629 break;
630 case BE_QUEUE_INX:
631 pxmitpriv->beq_cnt--;
632 break;
633 case BK_QUEUE_INX:
634 pxmitpriv->bkq_cnt--;
635 break;
636 case HIGH_QUEUE_INX:
637#ifdef CONFIG_88EU_AP_MODE
638 rtw_chk_hi_queue_cmd(padapter);
639#endif
640 break;
641 default:
642 break;
643 }
644
645 if (padapter->bSurpriseRemoved || padapter->bDriverStopped ||
646 padapter->bWritePortCancel) {
647 RT_TRACE(_module_hci_ops_os_c_, _drv_err_,
648 ("usb_write_port_complete:bDriverStopped(%d) OR bSurpriseRemoved(%d)",
649 padapter->bDriverStopped, padapter->bSurpriseRemoved));
650 DBG_88E("%s(): TX Warning! bDriverStopped(%d) OR bSurpriseRemoved(%d) bWritePortCancel(%d) pxmitbuf->ext_tag(%x)\n",
651 __func__, padapter->bDriverStopped,
652 padapter->bSurpriseRemoved, padapter->bReadPortCancel,
653 pxmitbuf->ext_tag);
654
655 goto check_completion;
656 }
657
658 if (purb->status) {
659 RT_TRACE(_module_hci_ops_os_c_, _drv_err_, ("usb_write_port_complete : purb->status(%d) != 0\n", purb->status));
660 DBG_88E("###=> urb_write_port_complete status(%d)\n", purb->status);
661 if ((purb->status == -EPIPE) || (purb->status == -EPROTO)) {
662 sreset_set_wifi_error_status(padapter, USB_WRITE_PORT_FAIL);
663 } else if (purb->status == -EINPROGRESS) {
664 RT_TRACE(_module_hci_ops_os_c_, _drv_err_, ("usb_write_port_complete: EINPROGESS\n"));
665 goto check_completion;
666 } else if (purb->status == -ENOENT) {
667 DBG_88E("%s: -ENOENT\n", __func__);
668 goto check_completion;
669 } else if (purb->status == -ECONNRESET) {
670 DBG_88E("%s: -ECONNRESET\n", __func__);
671 goto check_completion;
672 } else if (purb->status == -ESHUTDOWN) {
673 RT_TRACE(_module_hci_ops_os_c_, _drv_err_, ("usb_write_port_complete: ESHUTDOWN\n"));
674 padapter->bDriverStopped = true;
675 RT_TRACE(_module_hci_ops_os_c_, _drv_err_, ("usb_write_port_complete:bDriverStopped = true\n"));
676 goto check_completion;
677 } else {
678 padapter->bSurpriseRemoved = true;
679 DBG_88E("bSurpriseRemoved = true\n");
680 RT_TRACE(_module_hci_ops_os_c_, _drv_err_, ("usb_write_port_complete:bSurpriseRemoved = true\n"));
681
682 goto check_completion;
683 }
684 }
685
c2478d39
LF		 686check_completion:
687 rtw_sctx_done_err(&pxmitbuf->sctx,
688 purb->status ? RTW_SCTX_DONE_WRITE_PORT_ERR :
689 RTW_SCTX_DONE_SUCCESS);
690
691 rtw_free_xmitbuf(pxmitpriv, pxmitbuf);
692
693 tasklet_hi_schedule(&pxmitpriv->xmit_tasklet);
c2478d39
LF		 694}
695
3f5d24dc 696u32 usb_write_port(struct adapter *padapter, u32 addr, u32 cnt, u8 *wmem)
c2478d39
LF		 697{
698 unsigned long irqL;
699 unsigned int pipe;
700 int status;
701 u32 ret = _FAIL;
702 struct urb *purb = NULL;
c2478d39
LF		 703 struct dvobj_priv *pdvobj = adapter_to_dvobj(padapter);
704 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
705 struct xmit_buf *pxmitbuf = (struct xmit_buf *)wmem;
706 struct xmit_frame *pxmitframe = (struct xmit_frame *)pxmitbuf->priv_data;
707 struct usb_device *pusbd = pdvobj->pusbdev;
708
c2478d39
LF		 709
710 RT_TRACE(_module_hci_ops_os_c_, _drv_err_, ("+usb_write_port\n"));
711
712 if ((padapter->bDriverStopped) || (padapter->bSurpriseRemoved) ||
713 (padapter->pwrctrlpriv.pnp_bstop_trx)) {
714 RT_TRACE(_module_hci_ops_os_c_, _drv_err_,
715 ("usb_write_port:( padapter->bDriverStopped ||padapter->bSurpriseRemoved ||adapter->pwrctrlpriv.pnp_bstop_trx)!!!\n"));
716 rtw_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_TX_DENY);
717 goto exit;
718 }
719
f937886b 720 spin_lock_irqsave(&pxmitpriv->lock, irqL);
c2478d39
LF		 721
722 switch (addr) {
723 case VO_QUEUE_INX:
724 pxmitpriv->voq_cnt++;
725 pxmitbuf->flags = VO_QUEUE_INX;
726 break;
727 case VI_QUEUE_INX:
728 pxmitpriv->viq_cnt++;
729 pxmitbuf->flags = VI_QUEUE_INX;
730 break;
731 case BE_QUEUE_INX:
732 pxmitpriv->beq_cnt++;
733 pxmitbuf->flags = BE_QUEUE_INX;
734 break;
735 case BK_QUEUE_INX:
736 pxmitpriv->bkq_cnt++;
737 pxmitbuf->flags = BK_QUEUE_INX;
738 break;
739 case HIGH_QUEUE_INX:
740 pxmitbuf->flags = HIGH_QUEUE_INX;
741 break;
742 default:
743 pxmitbuf->flags = MGT_QUEUE_INX;
744 break;
745 }
746
597794f5 747 spin_unlock_irqrestore(&pxmitpriv->lock, irqL);
c2478d39
LF		 748
749 purb = pxmitbuf->pxmit_urb[0];
750
751 /* translate DMA FIFO addr to pipehandle */
752 pipe = ffaddr2pipehdl(pdvobj, addr);
753
754 usb_fill_bulk_urb(purb, pusbd, pipe,
755 pxmitframe->buf_addr, /* pxmitbuf->pbuf */
756 cnt,
757 usb_write_port_complete,
758 pxmitbuf);/* context is pxmitbuf */
759
760 status = usb_submit_urb(purb, GFP_ATOMIC);
5ceabcb2 761 if (status) {
c2478d39
LF		 762 rtw_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_WRITE_PORT_ERR);
763 DBG_88E("usb_write_port, status =%d\n", status);
764 RT_TRACE(_module_hci_ops_os_c_, _drv_err_, ("usb_write_port(): usb_submit_urb, status =%x\n", status));
765
766 switch (status) {
767 case -ENODEV:
768 padapter->bDriverStopped = true;
769 break;
770 default:
771 break;
772 }
773 goto exit;
774 }
775
776 ret = _SUCCESS;
777
778/* We add the URB_ZERO_PACKET flag to urb so that the host will send the zero packet automatically. */
779
780 RT_TRACE(_module_hci_ops_os_c_, _drv_err_, ("-usb_write_port\n"));
781
782exit:
783 if (ret != _SUCCESS)
784 rtw_free_xmitbuf(pxmitpriv, pxmitbuf);
c2478d39
LF		 785 return ret;
786}
787
3f5d24dc 788void usb_write_port_cancel(struct adapter *padapter)
c2478d39
LF		 789{
790 int i, j;
c2478d39
LF		 791 struct xmit_buf *pxmitbuf = (struct xmit_buf *)padapter->xmitpriv.pxmitbuf;
792
793 DBG_88E("%s\n", __func__);
794
795 padapter->bWritePortCancel = true;
796
797 for (i = 0; i < NR_XMITBUFF; i++) {
798 for (j = 0; j < 8; j++) {
799 if (pxmitbuf->pxmit_urb[j])
800 usb_kill_urb(pxmitbuf->pxmit_urb[j]);
801 }
802 pxmitbuf++;
803 }
804
805 pxmitbuf = (struct xmit_buf *)padapter->xmitpriv.pxmit_extbuf;
806 for (i = 0; i < NR_XMIT_EXTBUFF; i++) {
807 for (j = 0; j < 8; j++) {
808 if (pxmitbuf->pxmit_urb[j])
809 usb_kill_urb(pxmitbuf->pxmit_urb[j]);
810 }
811 pxmitbuf++;
812 }
813}
ab63f1eb 814
815void rtl8188eu_recv_tasklet(void *priv)
816{
817 struct sk_buff *pskb;
037a449a 818 struct adapter *adapt = priv;
ab63f1eb 819 struct recv_priv *precvpriv = &adapt->recvpriv;
820
821 while (NULL != (pskb = skb_dequeue(&precvpriv->rx_skb_queue))) {
822 if ((adapt->bDriverStopped) || (adapt->bSurpriseRemoved)) {
823 DBG_88E("recv_tasklet => bDriverStopped or bSurpriseRemoved\n");
824 dev_kfree_skb_any(pskb);
825 break;
826 }
827 recvbuf2recvframe(adapt, pskb);
828 skb_reset_tail_pointer(pskb);
829 pskb->len = 0;
830 skb_queue_tail(&precvpriv->free_recv_skb_queue, pskb);
831 }
832}
833
834void rtl8188eu_xmit_tasklet(void *priv)
835{
836 int ret = false;
037a449a 837 struct adapter *adapt = priv;
ab63f1eb 838 struct xmit_priv *pxmitpriv = &adapt->xmitpriv;
839
840 if (check_fwstate(&adapt->mlmepriv, _FW_UNDER_SURVEY))
841 return;
842
843 while (1) {
844 if ((adapt->bDriverStopped) ||
845 (adapt->bSurpriseRemoved) ||
846 (adapt->bWritePortCancel)) {
847 DBG_88E("xmit_tasklet => bDriverStopped or bSurpriseRemoved or bWritePortCancel\n");
848 break;
849 }
850
11c71742 851 ret = rtl8188eu_xmitframe_complete(adapt, pxmitpriv);
ab63f1eb 852
853 if (!ret)
854 break;
855 }
856}
Linux kernel - Deliverables
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