1 /******************************************************************************
3 * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
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.
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
14 * You should have received a copy of the GNU General Public License along with
15 * this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
19 ******************************************************************************/
20 #define _HCI_OPS_OS_C_
22 #include <osdep_service.h>
23 #include <drv_types.h>
24 #include <osdep_intf.h>
26 #include <recv_osdep.h>
27 #include <rtl8188e_hal.h>
29 static int usbctrl_vendorreq(struct intf_hdl *pintfhdl, u8 request, u16 value, u16 index, void *pdata, u16 len, u8 requesttype)
31 struct adapter *adapt = pintfhdl->padapter;
32 struct dvobj_priv *dvobjpriv = adapter_to_dvobj(adapt);
33 struct usb_device *udev = dvobjpriv->pusbdev;
38 int vendorreq_times = 0;
40 if ((adapt->bSurpriseRemoved) || (adapt->pwrctrlpriv.pnp_bstop_trx)) {
41 RT_TRACE(_module_hci_ops_os_c_, _drv_err_, ("usbctrl_vendorreq:(adapt->bSurpriseRemoved ||adapter->pwrctrlpriv.pnp_bstop_trx)!!!\n"));
46 if (len > MAX_VENDOR_REQ_CMD_SIZE) {
47 DBG_88E("[%s] Buffer len error ,vendor request failed\n", __func__);
52 _enter_critical_mutex(&dvobjpriv->usb_vendor_req_mutex, NULL);
54 /* Acquire IO memory for vendorreq */
55 pIo_buf = dvobjpriv->usb_vendor_req_buf;
57 if (pIo_buf == NULL) {
58 DBG_88E("[%s] pIo_buf == NULL\n", __func__);
63 while (++vendorreq_times <= MAX_USBCTRL_VENDORREQ_TIMES) {
64 _rtw_memset(pIo_buf, 0, len);
66 if (requesttype == 0x01) {
67 pipe = usb_rcvctrlpipe(udev, 0);/* read_in */
68 reqtype = REALTEK_USB_VENQT_READ;
70 pipe = usb_sndctrlpipe(udev, 0);/* write_out */
71 reqtype = REALTEK_USB_VENQT_WRITE;
72 memcpy(pIo_buf, pdata, len);
75 status = rtw_usb_control_msg(udev, pipe, request, reqtype, value, index, pIo_buf, len, RTW_USB_CONTROL_MSG_TIMEOUT);
77 if (status == len) { /* Success this control transfer. */
78 rtw_reset_continual_urb_error(dvobjpriv);
79 if (requesttype == 0x01)
80 memcpy(pdata, pIo_buf, len);
81 } else { /* error cases */
82 DBG_88E("reg 0x%x, usb %s %u fail, status:%d value=0x%x, vendorreq_times:%d\n",
83 value, (requesttype == 0x01) ? "read" : "write",
84 len, status, *(u32 *)pdata, vendorreq_times);
87 if (status == (-ESHUTDOWN) || status == -ENODEV) {
88 adapt->bSurpriseRemoved = true;
90 struct hal_data_8188e *haldata = GET_HAL_DATA(adapt);
91 haldata->srestpriv.Wifi_Error_Status = USB_VEN_REQ_CMD_FAIL;
93 } else { /* status != len && status >= 0 */
95 if (requesttype == 0x01) {
96 /* For Control read transfer, we have to copy the read data from pIo_buf to pdata. */
97 memcpy(pdata, pIo_buf, len);
102 if (rtw_inc_and_chk_continual_urb_error(dvobjpriv)) {
103 adapt->bSurpriseRemoved = true;
109 /* firmware download is checksumed, don't retry */
110 if ((value >= FW_8188E_START_ADDRESS && value <= FW_8188E_END_ADDRESS) || status == len)
114 mutex_unlock(&dvobjpriv->usb_vendor_req_mutex);
119 static u8 usb_read8(struct intf_hdl *pintfhdl, u32 addr)
130 requesttype = 0x01;/* read_in */
133 wvalue = (u16)(addr&0x0000ffff);
136 usbctrl_vendorreq(pintfhdl, request, wvalue, index, &data, len, requesttype);
143 static u16 usb_read16(struct intf_hdl *pintfhdl, u32 addr)
153 requesttype = 0x01;/* read_in */
155 wvalue = (u16)(addr&0x0000ffff);
157 usbctrl_vendorreq(pintfhdl, request, wvalue, index, &data, len, requesttype);
159 return (u16)(le32_to_cpu(data)&0xffff);
162 static u32 usb_read32(struct intf_hdl *pintfhdl, u32 addr)
173 requesttype = 0x01;/* read_in */
176 wvalue = (u16)(addr&0x0000ffff);
179 usbctrl_vendorreq(pintfhdl, request, wvalue, index, &data, len, requesttype);
182 return le32_to_cpu(data);
185 static int usb_write8(struct intf_hdl *pintfhdl, u32 addr, u8 val)
196 requesttype = 0x00;/* write_out */
198 wvalue = (u16)(addr&0x0000ffff);
201 ret = usbctrl_vendorreq(pintfhdl, request, wvalue, index, &data, len, requesttype);
205 static int usb_write16(struct intf_hdl *pintfhdl, u32 addr, u16 val)
217 requesttype = 0x00;/* write_out */
220 wvalue = (u16)(addr&0x0000ffff);
223 data = cpu_to_le32(val & 0x0000ffff);
225 ret = usbctrl_vendorreq(pintfhdl, request, wvalue, index, &data, len, requesttype);
231 static int usb_write32(struct intf_hdl *pintfhdl, u32 addr, u32 val)
243 requesttype = 0x00;/* write_out */
246 wvalue = (u16)(addr&0x0000ffff);
248 data = cpu_to_le32(val);
250 ret = usbctrl_vendorreq(pintfhdl, request, wvalue, index, &data, len, requesttype);
256 static int usb_writeN(struct intf_hdl *pintfhdl, u32 addr, u32 length, u8 *pdata)
263 u8 buf[VENDOR_CMD_MAX_DATA_LEN] = {0};
268 requesttype = 0x00;/* write_out */
271 wvalue = (u16)(addr&0x0000ffff);
273 memcpy(buf, pdata, len);
275 ret = usbctrl_vendorreq(pintfhdl, request, wvalue, index, buf, len, requesttype);
281 static void interrupt_handler_8188eu(struct adapter *adapt, u16 pkt_len, u8 *pbuf)
283 struct hal_data_8188e *haldata = GET_HAL_DATA(adapt);
285 if (pkt_len != INTERRUPT_MSG_FORMAT_LEN) {
286 DBG_88E("%s Invalid interrupt content length (%d)!\n", __func__, pkt_len);
291 memcpy(&(haldata->IntArray[0]), &(pbuf[USB_INTR_CONTENT_HISR_OFFSET]), 4);
292 memcpy(&(haldata->IntArray[1]), &(pbuf[USB_INTR_CONTENT_HISRE_OFFSET]), 4);
296 memcpy(&(haldata->C2hArray[0]), &(pbuf[USB_INTR_CONTENT_C2H_OFFSET]), 16);
299 static int recvbuf2recvframe(struct adapter *adapt, struct sk_buff *pskb)
304 u32 pkt_offset, skb_len, alloc_sz;
306 struct recv_stat *prxstat;
307 struct phy_stat *pphy_status = NULL;
308 struct sk_buff *pkt_copy = NULL;
309 struct recv_frame *precvframe = NULL;
310 struct rx_pkt_attrib *pattrib = NULL;
311 struct hal_data_8188e *haldata = GET_HAL_DATA(adapt);
312 struct recv_priv *precvpriv = &adapt->recvpriv;
313 struct __queue *pfree_recv_queue = &precvpriv->free_recv_queue;
315 transfer_len = (s32)pskb->len;
318 prxstat = (struct recv_stat *)pbuf;
319 pkt_cnt = (le32_to_cpu(prxstat->rxdw2) >> 16) & 0xff;
322 RT_TRACE(_module_rtl871x_recv_c_, _drv_info_,
323 ("recvbuf2recvframe: rxdesc=offsset 0:0x%08x, 4:0x%08x, 8:0x%08x, C:0x%08x\n",
324 prxstat->rxdw0, prxstat->rxdw1, prxstat->rxdw2, prxstat->rxdw4));
326 prxstat = (struct recv_stat *)pbuf;
328 precvframe = rtw_alloc_recvframe(pfree_recv_queue);
329 if (precvframe == NULL) {
330 RT_TRACE(_module_rtl871x_recv_c_, _drv_err_, ("recvbuf2recvframe: precvframe==NULL\n"));
331 DBG_88E("%s()-%d: rtw_alloc_recvframe() failed! RX Drop!\n", __func__, __LINE__);
332 goto _exit_recvbuf2recvframe;
335 _rtw_init_listhead(&precvframe->list);
338 update_recvframe_attrib_88e(precvframe, prxstat);
340 pattrib = &precvframe->attrib;
342 if ((pattrib->crc_err) || (pattrib->icv_err)) {
343 DBG_88E("%s: RX Warning! crc_err=%d icv_err=%d, skip!\n", __func__, pattrib->crc_err, pattrib->icv_err);
345 rtw_free_recvframe(precvframe, pfree_recv_queue);
346 goto _exit_recvbuf2recvframe;
349 if ((pattrib->physt) && (pattrib->pkt_rpt_type == NORMAL_RX))
350 pphy_status = (struct phy_stat *)(pbuf + RXDESC_OFFSET);
352 pkt_offset = RXDESC_SIZE + pattrib->drvinfo_sz + pattrib->shift_sz + pattrib->pkt_len;
354 if ((pattrib->pkt_len <= 0) || (pkt_offset > transfer_len)) {
355 RT_TRACE(_module_rtl871x_recv_c_, _drv_info_, ("recvbuf2recvframe: pkt_len<=0\n"));
356 DBG_88E("%s()-%d: RX Warning!,pkt_len<=0 or pkt_offset> transfoer_len\n", __func__, __LINE__);
357 rtw_free_recvframe(precvframe, pfree_recv_queue);
358 goto _exit_recvbuf2recvframe;
361 /* Modified by Albert 20101213 */
362 /* For 8 bytes IP header alignment. */
363 if (pattrib->qos) /* Qos data, wireless lan header length is 26 */
368 skb_len = pattrib->pkt_len;
370 /* for first fragment packet, driver need allocate 1536+drvinfo_sz+RXDESC_SIZE to defrag packet. */
371 /* modify alloc_sz for recvive crc error packet by thomas 2011-06-02 */
372 if ((pattrib->mfrag == 1) && (pattrib->frag_num == 0)) {
376 alloc_sz = skb_len + 14;
379 /* 6 is for IP header 8 bytes alignment in QoS packet case. */
380 /* 8 is for skb->data 4 bytes alignment. */
384 pkt_copy = netdev_alloc_skb(adapt->pnetdev, alloc_sz);
386 pkt_copy->dev = adapt->pnetdev;
387 precvframe->pkt = pkt_copy;
388 precvframe->rx_head = pkt_copy->data;
389 precvframe->rx_end = pkt_copy->data + alloc_sz;
390 skb_reserve(pkt_copy, 8 - ((size_t)(pkt_copy->data) & 7));/* force pkt_copy->data at 8-byte alignment address */
391 skb_reserve(pkt_copy, shift_sz);/* force ip_hdr at 8-byte alignment address according to shift_sz. */
392 memcpy(pkt_copy->data, (pbuf + pattrib->drvinfo_sz + RXDESC_SIZE), skb_len);
393 precvframe->rx_tail = pkt_copy->data;
394 precvframe->rx_data = pkt_copy->data;
396 if ((pattrib->mfrag == 1) && (pattrib->frag_num == 0)) {
397 DBG_88E("recvbuf2recvframe: alloc_skb fail , drop frag frame\n");
398 rtw_free_recvframe(precvframe, pfree_recv_queue);
399 goto _exit_recvbuf2recvframe;
401 precvframe->pkt = skb_clone(pskb, GFP_ATOMIC);
402 if (precvframe->pkt) {
403 precvframe->rx_tail = pbuf + pattrib->drvinfo_sz + RXDESC_SIZE;
404 precvframe->rx_head = precvframe->rx_tail;
405 precvframe->rx_data = precvframe->rx_tail;
406 precvframe->rx_end = pbuf + pattrib->drvinfo_sz + RXDESC_SIZE + alloc_sz;
408 DBG_88E("recvbuf2recvframe: skb_clone fail\n");
409 rtw_free_recvframe(precvframe, pfree_recv_queue);
410 goto _exit_recvbuf2recvframe;
414 recvframe_put(precvframe, skb_len);
416 switch (haldata->UsbRxAggMode) {
419 pkt_offset = (u16)_RND128(pkt_offset);
422 pkt_offset = (u16)_RND4(pkt_offset);
424 case USB_RX_AGG_DISABLE:
428 if (pattrib->pkt_rpt_type == NORMAL_RX) { /* Normal rx packet */
430 update_recvframe_phyinfo_88e(precvframe, (struct phy_stat *)pphy_status);
431 if (rtw_recv_entry(precvframe) != _SUCCESS) {
432 RT_TRACE(_module_rtl871x_recv_c_, _drv_err_,
433 ("recvbuf2recvframe: rtw_recv_entry(precvframe) != _SUCCESS\n"));
436 /* enqueue recvframe to txrtp queue */
437 if (pattrib->pkt_rpt_type == TX_REPORT1) {
438 /* CCX-TXRPT ack for xmit mgmt frames. */
439 handle_txrpt_ccx_88e(adapt, precvframe->rx_data);
440 } else if (pattrib->pkt_rpt_type == TX_REPORT2) {
441 ODM_RA_TxRPT2Handle_8188E(
445 pattrib->MacIDValidEntry[0],
446 pattrib->MacIDValidEntry[1]
448 } else if (pattrib->pkt_rpt_type == HIS_REPORT) {
449 interrupt_handler_8188eu(adapt, pattrib->pkt_len, precvframe->rx_data);
451 rtw_free_recvframe(precvframe, pfree_recv_queue);
454 transfer_len -= pkt_offset;
459 if (transfer_len > 0 && pkt_cnt == 0)
460 pkt_cnt = (le32_to_cpu(prxstat->rxdw2)>>16) & 0xff;
462 } while ((transfer_len > 0) && (pkt_cnt > 0));
464 _exit_recvbuf2recvframe:
469 void rtl8188eu_recv_tasklet(void *priv)
471 struct sk_buff *pskb;
472 struct adapter *adapt = (struct adapter *)priv;
473 struct recv_priv *precvpriv = &adapt->recvpriv;
475 while (NULL != (pskb = skb_dequeue(&precvpriv->rx_skb_queue))) {
476 if ((adapt->bDriverStopped) || (adapt->bSurpriseRemoved)) {
477 DBG_88E("recv_tasklet => bDriverStopped or bSurpriseRemoved\n");
478 dev_kfree_skb_any(pskb);
481 recvbuf2recvframe(adapt, pskb);
482 skb_reset_tail_pointer(pskb);
484 skb_queue_tail(&precvpriv->free_recv_skb_queue, pskb);
488 static void usb_read_port_complete(struct urb *purb, struct pt_regs *regs)
490 struct recv_buf *precvbuf = (struct recv_buf *)purb->context;
491 struct adapter *adapt = (struct adapter *)precvbuf->adapter;
492 struct recv_priv *precvpriv = &adapt->recvpriv;
494 RT_TRACE(_module_hci_ops_os_c_, _drv_err_, ("usb_read_port_complete!!!\n"));
496 precvpriv->rx_pending_cnt--;
498 if (adapt->bSurpriseRemoved || adapt->bDriverStopped || adapt->bReadPortCancel) {
499 RT_TRACE(_module_hci_ops_os_c_, _drv_err_,
500 ("usb_read_port_complete:bDriverStopped(%d) OR bSurpriseRemoved(%d)\n",
501 adapt->bDriverStopped, adapt->bSurpriseRemoved));
503 precvbuf->reuse = true;
504 DBG_88E("%s() RX Warning! bDriverStopped(%d) OR bSurpriseRemoved(%d) bReadPortCancel(%d)\n",
505 __func__, adapt->bDriverStopped,
506 adapt->bSurpriseRemoved, adapt->bReadPortCancel);
510 if (purb->status == 0) { /* SUCCESS */
511 if ((purb->actual_length > MAX_RECVBUF_SZ) || (purb->actual_length < RXDESC_SIZE)) {
512 RT_TRACE(_module_hci_ops_os_c_, _drv_err_,
513 ("usb_read_port_complete: (purb->actual_length > MAX_RECVBUF_SZ) || (purb->actual_length < RXDESC_SIZE)\n"));
514 precvbuf->reuse = true;
515 rtw_read_port(adapt, precvpriv->ff_hwaddr, 0, (unsigned char *)precvbuf);
516 DBG_88E("%s()-%d: RX Warning!\n", __func__, __LINE__);
518 rtw_reset_continual_urb_error(adapter_to_dvobj(adapt));
520 skb_put(precvbuf->pskb, purb->actual_length);
521 skb_queue_tail(&precvpriv->rx_skb_queue, precvbuf->pskb);
523 if (skb_queue_len(&precvpriv->rx_skb_queue) <= 1)
524 tasklet_schedule(&precvpriv->recv_tasklet);
526 precvbuf->pskb = NULL;
527 precvbuf->reuse = false;
528 rtw_read_port(adapt, precvpriv->ff_hwaddr, 0, (unsigned char *)precvbuf);
531 RT_TRACE(_module_hci_ops_os_c_, _drv_err_, ("usb_read_port_complete : purb->status(%d) != 0\n", purb->status));
533 DBG_88E("###=> usb_read_port_complete => urb status(%d)\n", purb->status);
534 skb_put(precvbuf->pskb, purb->actual_length);
535 precvbuf->pskb = NULL;
537 if (rtw_inc_and_chk_continual_urb_error(adapter_to_dvobj(adapt)))
538 adapt->bSurpriseRemoved = true;
540 switch (purb->status) {
545 RT_TRACE(_module_hci_ops_os_c_, _drv_err_, ("usb_read_port_complete:bSurpriseRemoved=true\n"));
547 adapt->bDriverStopped = true;
548 RT_TRACE(_module_hci_ops_os_c_, _drv_err_, ("usb_read_port_complete:bDriverStopped=true\n"));
553 struct hal_data_8188e *haldata = GET_HAL_DATA(adapt);
554 haldata->srestpriv.Wifi_Error_Status = USB_READ_PORT_FAIL;
556 precvbuf->reuse = true;
557 rtw_read_port(adapt, precvpriv->ff_hwaddr, 0, (unsigned char *)precvbuf);
560 DBG_88E("ERROR: URB IS IN PROGRESS!\n");
568 static u32 usb_read_port(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *rmem)
570 struct urb *purb = NULL;
571 struct recv_buf *precvbuf = (struct recv_buf *)rmem;
572 struct adapter *adapter = pintfhdl->padapter;
573 struct dvobj_priv *pdvobj = adapter_to_dvobj(adapter);
574 struct recv_priv *precvpriv = &adapter->recvpriv;
575 struct usb_device *pusbd = pdvobj->pusbdev;
579 size_t alignment = 0;
583 if (adapter->bDriverStopped || adapter->bSurpriseRemoved ||
584 adapter->pwrctrlpriv.pnp_bstop_trx) {
585 RT_TRACE(_module_hci_ops_os_c_, _drv_err_,
586 ("usb_read_port:(adapt->bDriverStopped ||adapt->bSurpriseRemoved ||adapter->pwrctrlpriv.pnp_bstop_trx)!!!\n"));
591 RT_TRACE(_module_hci_ops_os_c_, _drv_err_,
592 ("usb_read_port:precvbuf==NULL\n"));
596 if ((!precvbuf->reuse) || (precvbuf->pskb == NULL)) {
597 precvbuf->pskb = skb_dequeue(&precvpriv->free_recv_skb_queue);
598 if (NULL != precvbuf->pskb)
599 precvbuf->reuse = true;
602 /* re-assign for linux based on skb */
603 if ((!precvbuf->reuse) || (precvbuf->pskb == NULL)) {
604 precvbuf->pskb = netdev_alloc_skb(adapter->pnetdev, MAX_RECVBUF_SZ + RECVBUFF_ALIGN_SZ);
605 if (precvbuf->pskb == NULL) {
606 RT_TRACE(_module_hci_ops_os_c_, _drv_err_, ("init_recvbuf(): alloc_skb fail!\n"));
607 DBG_88E("#### usb_read_port() alloc_skb fail!#####\n");
611 tmpaddr = (size_t)precvbuf->pskb->data;
612 alignment = tmpaddr & (RECVBUFF_ALIGN_SZ-1);
613 skb_reserve(precvbuf->pskb, (RECVBUFF_ALIGN_SZ - alignment));
614 } else { /* reuse skb */
615 precvbuf->reuse = false;
618 precvpriv->rx_pending_cnt++;
620 purb = precvbuf->purb;
622 /* translate DMA FIFO addr to pipehandle */
623 pipe = ffaddr2pipehdl(pdvobj, addr);
625 usb_fill_bulk_urb(purb, pusbd, pipe,
626 precvbuf->pskb->data,
628 usb_read_port_complete,
629 precvbuf);/* context is precvbuf */
631 err = usb_submit_urb(purb, GFP_ATOMIC);
632 if ((err) && (err != (-EPERM))) {
633 RT_TRACE(_module_hci_ops_os_c_, _drv_err_,
634 ("cannot submit rx in-token(err=0x%.8x), URB_STATUS =0x%.8x",
636 DBG_88E("cannot submit rx in-token(err = 0x%08x),urb_status = %d\n",
644 void rtl8188eu_xmit_tasklet(void *priv)
647 struct adapter *adapt = (struct adapter *)priv;
648 struct xmit_priv *pxmitpriv = &adapt->xmitpriv;
650 if (check_fwstate(&adapt->mlmepriv, _FW_UNDER_SURVEY))
654 if ((adapt->bDriverStopped) ||
655 (adapt->bSurpriseRemoved) ||
656 (adapt->bWritePortCancel)) {
657 DBG_88E("xmit_tasklet => bDriverStopped or bSurpriseRemoved or bWritePortCancel\n");
661 ret = rtl8188eu_xmitframe_complete(adapt, pxmitpriv, NULL);
668 void rtl8188eu_set_intf_ops(struct _io_ops *pops)
670 _rtw_memset((u8 *)pops, 0, sizeof(struct _io_ops));
671 pops->_read8 = &usb_read8;
672 pops->_read16 = &usb_read16;
673 pops->_read32 = &usb_read32;
674 pops->_read_mem = &usb_read_mem;
675 pops->_read_port = &usb_read_port;
676 pops->_write8 = &usb_write8;
677 pops->_write16 = &usb_write16;
678 pops->_write32 = &usb_write32;
679 pops->_writeN = &usb_writeN;
680 pops->_write_mem = &usb_write_mem;
681 pops->_write_port = &usb_write_port;
682 pops->_read_port_cancel = &usb_read_port_cancel;
683 pops->_write_port_cancel = &usb_write_port_cancel;