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rtl8188eu/hal/usb_ops_linux.c
Larry Finger c818db1282 rtl8188eu: Change "switch(" to "switch (" 
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
2015-08-15 13:05:44 -05:00

889 lines
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/******************************************************************************
*
* Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
*
*
******************************************************************************/
#define _HCI_OPS_OS_C_
#include <drv_conf.h>
#include <osdep_service.h>
#include <drv_types.h>
#include <osdep_intf.h>
#include <usb_ops.h>
#include <circ_buf.h>
#include <recv_osdep.h>
#include <rtl8188e_hal.h>
static int usbctrl_vendorreq(struct intf_hdl *pintfhdl, u8 request, u16 value, u16 index, void *pdata, u16 len, u8 requesttype)
{
struct adapter *padapter = pintfhdl->padapter;
struct dvobj_priv *pdvobjpriv = adapter_to_dvobj(padapter);
struct usb_device *udev=pdvobjpriv->pusbdev;
unsigned int pipe;
int status = 0;
u8 reqtype;
u8 *pIo_buf;
int vendorreq_times = 0;
if ((padapter->bSurpriseRemoved) ||(dvobj_to_pwrctl(pdvobjpriv)->pnp_bstop_trx)){
RT_TRACE(_module_hci_ops_os_c_,_drv_err_,("usbctrl_vendorreq:(padapter->bSurpriseRemoved ||pwrctl->pnp_bstop_trx)!!!\n"));
status = -EPERM;
goto exit;
}
if (len>MAX_VENDOR_REQ_CMD_SIZE){
DBG_8192C( "[%s] Buffer len error ,vendor request failed\n", __FUNCTION__ );
status = -EINVAL;
goto exit;
}
_enter_critical_mutex(&pdvobjpriv->usb_vendor_req_mutex, NULL);
/* Acquire IO memory for vendorreq */
pIo_buf = pdvobjpriv->usb_vendor_req_buf;
if ( pIo_buf== NULL) {
DBG_8192C( "[%s] pIo_buf == NULL\n", __FUNCTION__ );
status = -ENOMEM;
goto release_mutex;
}
while (++vendorreq_times<= MAX_USBCTRL_VENDORREQ_TIMES)
{
memset(pIo_buf, 0, len);
if (requesttype == 0x01)
{
pipe = usb_rcvctrlpipe(udev, 0);/* read_in */
reqtype = REALTEK_USB_VENQT_READ;
}
else
{
pipe = usb_sndctrlpipe(udev, 0);/* write_out */
reqtype = REALTEK_USB_VENQT_WRITE;
memcpy( pIo_buf, pdata, len);
}
status = rtw_usb_control_msg(udev, pipe, request, reqtype, value, index, pIo_buf, len, RTW_USB_CONTROL_MSG_TIMEOUT);
if ( status == len) /* Success this control transfer. */
{
rtw_reset_continual_io_error(pdvobjpriv);
if ( requesttype == 0x01 )
{ /* For Control read transfer, we have to copy the read data from pIo_buf to pdata. */
memcpy( pdata, pIo_buf, len );
}
}
else { /* error cases */
DBG_8192C("reg 0x%x, usb %s %u fail, status:%d value=0x%x, vendorreq_times:%d\n"
, value,(requesttype == 0x01)?"read":"write" , len, status, *(u32*)pdata, vendorreq_times);
if (status < 0) {
if (status == (-ESHUTDOWN) || status == -ENODEV )
{
padapter->bSurpriseRemoved = true;
} else {
HAL_DATA_TYPE *pHalData = GET_HAL_DATA(padapter);
pHalData->srestpriv.Wifi_Error_Status = USB_VEN_REQ_CMD_FAIL;
}
}
else /* status != len && status >= 0 */
{
if (status > 0) {
if ( requesttype == 0x01 )
{ /* For Control read transfer, we have to copy the read data from pIo_buf to pdata. */
memcpy( pdata, pIo_buf, len );
}
}
}
if (rtw_inc_and_chk_continual_io_error(pdvobjpriv) == true ){
padapter->bSurpriseRemoved = true;
break;
}
}
/* firmware download is checksumed, don't retry */
if ( (value >= FW_8188E_START_ADDRESS && value <= FW_8188E_END_ADDRESS) || status == len )
break;
}
/* release IO memory used by vendorreq */
release_mutex:
_exit_critical_mutex(&pdvobjpriv->usb_vendor_req_mutex, NULL);
exit:
return status;
}
static u8 usb_read8(struct intf_hdl *pintfhdl, u32 addr)
{
u8 request;
u8 requesttype;
u16 wvalue;
u16 index;
u16 len;
u8 data;
request = 0x05;
requesttype = 0x01;/* read_in */
index = 0;/* n/a */
wvalue = (u16)(addr&0x0000ffff);
len = 1;
usbctrl_vendorreq(pintfhdl, request, wvalue, index, &data, len, requesttype);
return data;
}
static u16 usb_read16(struct intf_hdl *pintfhdl, u32 addr)
{
u8 request;
u8 requesttype;
u16 wvalue;
u16 index;
u16 len;
__le32 data;
request = 0x05;
requesttype = 0x01;/* read_in */
index = 0;/* n/a */
wvalue = (u16)(addr&0x0000ffff);
len = 2;
usbctrl_vendorreq(pintfhdl, request, wvalue, index, &data, len, requesttype);
return le32_to_cpu(data) & 0xffff;
}
static u32 usb_read32(struct intf_hdl *pintfhdl, u32 addr)
{
u8 request;
u8 requesttype;
u16 wvalue;
u16 index;
u16 len;
__le32 data;
request = 0x05;
requesttype = 0x01;/* read_in */
index = 0;/* n/a */
wvalue = (u16)(addr&0x0000ffff);
len = 4;
usbctrl_vendorreq(pintfhdl, request, wvalue, index, &data, len, requesttype);
return le32_to_cpu(data);
}
static int usb_write8(struct intf_hdl *pintfhdl, u32 addr, u8 val)
{
u8 request;
u8 requesttype;
u16 wvalue;
u16 index;
u16 len;
u8 data;
int ret;
request = 0x05;
requesttype = 0x00;/* write_out */
index = 0;/* n/a */
wvalue = (u16)(addr&0x0000ffff);
len = 1;
data = val;
ret = usbctrl_vendorreq(pintfhdl, request, wvalue, index, &data, len, requesttype);
return ret;
}
static int usb_write16(struct intf_hdl *pintfhdl, u32 addr, u16 val)
{
u8 request;
u8 requesttype;
u16 wvalue;
u16 index;
u16 len;
__le32 data;
int ret;
request = 0x05;
requesttype = 0x00;/* write_out */
index = 0;/* n/a */
wvalue = (u16)(addr&0x0000ffff);
len = 2;
data = cpu_to_le32(val & 0x0000ffff);
ret = usbctrl_vendorreq(pintfhdl, request, wvalue, index, &data, len, requesttype);
return ret;
}
static int usb_write32(struct intf_hdl *pintfhdl, u32 addr, u32 val)
{
u8 request;
u8 requesttype;
u16 wvalue;
u16 index;
u16 len;
__le32 data;
int ret;
request = 0x05;
requesttype = 0x00;/* write_out */
index = 0;/* n/a */
wvalue = (u16)(addr&0x0000ffff);
len = 4;
data = cpu_to_le32(val);
ret =usbctrl_vendorreq(pintfhdl, request, wvalue, index, &data, len, requesttype);
return ret;
}
static int usb_writeN(struct intf_hdl *pintfhdl, u32 addr, u32 length, u8 *pdata)
{
u8 request;
u8 requesttype;
u16 wvalue;
u16 index;
u16 len;
u8 buf[VENDOR_CMD_MAX_DATA_LEN]={0};
request = 0x05;
requesttype = 0x00;/* write_out */
index = 0;/* n/a */
wvalue = (u16)(addr&0x0000ffff);
len = length;
memcpy(buf, pdata, len );
return usbctrl_vendorreq(pintfhdl, request, wvalue, index, buf, len, requesttype);
}
static void interrupt_handler_8188eu(struct adapter *padapter,u16 pkt_len,u8 *pbuf)
{
HAL_DATA_TYPE *pHalData=GET_HAL_DATA(padapter);
struct reportpwrstate_parm pwr_rpt;
if ( pkt_len != INTERRUPT_MSG_FORMAT_LEN ) {
DBG_8192C("%s Invalid interrupt content length (%d)!\n", __FUNCTION__, pkt_len);
return ;
}
/* HISR */
memcpy(&(pHalData->IntArray[0]), &(pbuf[USB_INTR_CONTENT_HISR_OFFSET]), 4);
memcpy(&(pHalData->IntArray[1]), &(pbuf[USB_INTR_CONTENT_HISRE_OFFSET]), 4);
if ( pHalData->IntArray[1] & IMR_TXERR_88E )
DBG_871X("===> %s Tx Error Flag Interrupt Status\n",__FUNCTION__);
if ( pHalData->IntArray[1] & IMR_RXERR_88E )
DBG_871X("===> %s Rx Error Flag INT Status\n",__FUNCTION__);
if ( pHalData->IntArray[1] & IMR_TXFOVW_88E )
DBG_871X("===> %s Transmit FIFO Overflow\n",__FUNCTION__);
if ( pHalData->IntArray[1] & IMR_RXFOVW_88E )
DBG_871X("===> %s Receive FIFO Overflow\n",__FUNCTION__);
/* C2H Event */
if (pbuf[0]!= 0){
memcpy(&(pHalData->C2hArray[0]), &(pbuf[USB_INTR_CONTENT_C2H_OFFSET]), 16);
/* rtw_c2h_wk_cmd(padapter); to do.. */
}
}
#ifdef CONFIG_USB_INTERRUPT_IN_PIPE
static void usb_read_interrupt_complete(struct urb *purb, struct pt_regs *regs)
{
int err;
struct adapter *padapter = (struct adapter *)purb->context;
if (padapter->bSurpriseRemoved || padapter->bDriverStopped||padapter->bReadPortCancel)
{
DBG_8192C("%s() RX Warning! bDriverStopped(%d) OR bSurpriseRemoved(%d) bReadPortCancel(%d)\n",
__FUNCTION__,padapter->bDriverStopped, padapter->bSurpriseRemoved,padapter->bReadPortCancel);
return;
}
if (purb->status==0)/* SUCCESS */
{
if (purb->actual_length > INTERRUPT_MSG_FORMAT_LEN)
{
DBG_8192C("usb_read_interrupt_complete: purb->actual_length > INTERRUPT_MSG_FORMAT_LEN(%d)\n",INTERRUPT_MSG_FORMAT_LEN);
}
interrupt_handler_8188eu(padapter, purb->actual_length,purb->transfer_buffer );
err = usb_submit_urb(purb, GFP_ATOMIC);
if ((err) && (err != (-EPERM)))
{
DBG_8192C("cannot submit interrupt in-token(err = 0x%08x),urb_status = %d\n",err, purb->status);
}
}
else
{
DBG_8192C("###=> usb_read_interrupt_complete => urb status(%d)\n", purb->status);
switch (purb->status) {
case -EINVAL:
case -EPIPE:
case -ENODEV:
case -ESHUTDOWN:
/* padapter->bSurpriseRemoved=true; */
RT_TRACE(_module_hci_ops_os_c_,_drv_err_,("usb_read_port_complete:bSurpriseRemoved=true\n"));
case -ENOENT:
padapter->bDriverStopped=true;
RT_TRACE(_module_hci_ops_os_c_,_drv_err_,("usb_read_port_complete:bDriverStopped=true\n"));
break;
case -EPROTO:
break;
case -EINPROGRESS:
DBG_8192C("ERROR: URB IS IN PROGRESS!/n");
break;
default:
break;
}
}
}
static u32 usb_read_interrupt(struct intf_hdl *pintfhdl, u32 addr)
{
int err;
unsigned int pipe;
u32 ret = _SUCCESS;
struct adapter *adapter = pintfhdl->padapter;
struct dvobj_priv *pdvobj = adapter_to_dvobj(adapter);
struct recv_priv *precvpriv = &adapter->recvpriv;
struct usb_device *pusbd = pdvobj->pusbdev;
;
/* translate DMA FIFO addr to pipehandle */
pipe = ffaddr2pipehdl(pdvobj, addr);
usb_fill_int_urb(precvpriv->int_in_urb, pusbd, pipe,
precvpriv->int_in_buf,
INTERRUPT_MSG_FORMAT_LEN,
usb_read_interrupt_complete,
adapter,
1);
err = usb_submit_urb(precvpriv->int_in_urb, GFP_ATOMIC);
if ((err) && (err != (-EPERM)))
{
DBG_8192C("cannot submit interrupt in-token(err = 0x%08x),urb_status = %d\n",err, precvpriv->int_in_urb->status);
ret = _FAIL;
}
;
return ret;
}
#endif
static s32 pre_recv_entry(union recv_frame *precvframe, struct recv_stat *prxstat, struct phy_stat *pphy_status)
{
s32 ret=_SUCCESS;
return ret;
}
static int recvbuf2recvframe(struct adapter *padapter, struct sk_buff *pskb)
{
u8 *pbuf;
u8 shift_sz = 0;
u16 pkt_cnt;
u32 pkt_offset, skb_len, alloc_sz;
s32 transfer_len;
struct recv_stat *prxstat;
struct phy_stat *pphy_status = NULL;
struct sk_buff *pkt_copy = NULL;
union recv_frame *precvframe = NULL;
struct rx_pkt_attrib *pattrib = NULL;
HAL_DATA_TYPE *pHalData = GET_HAL_DATA(padapter);
struct recv_priv *precvpriv = &padapter->recvpriv;
struct __queue *pfree_recv_queue = &precvpriv->free_recv_queue;
transfer_len = (s32)pskb->len;
pbuf = pskb->data;
prxstat = (struct recv_stat *)pbuf;
pkt_cnt = (le32_to_cpu(prxstat->rxdw2)>>16) & 0xff;
do{
RT_TRACE(_module_rtl871x_recv_c_, _drv_info_,
("recvbuf2recvframe: rxdesc=offsset 0:0x%08x, 4:0x%08x, 8:0x%08x, C:0x%08x\n",
prxstat->rxdw0, prxstat->rxdw1, prxstat->rxdw2, prxstat->rxdw4));
prxstat = (struct recv_stat *)pbuf;
precvframe = rtw_alloc_recvframe(pfree_recv_queue);
if (precvframe==NULL)
{
RT_TRACE(_module_rtl871x_recv_c_,_drv_err_,("recvbuf2recvframe: precvframe==NULL\n"));
DBG_8192C("%s()-%d: rtw_alloc_recvframe() failed! RX Drop!\n", __FUNCTION__, __LINE__);
goto _exit_recvbuf2recvframe;
}
_rtw_init_listhead(&precvframe->u.hdr.list);
precvframe->u.hdr.precvbuf = NULL; /* can't access the precvbuf for new arch. */
precvframe->u.hdr.len=0;
/* rtl8192c_query_rx_desc_status(precvframe, prxstat); */
update_recvframe_attrib_88e(precvframe, prxstat);
pattrib = &precvframe->u.hdr.attrib;
if ((padapter->registrypriv.mp_mode == 0) &&((pattrib->crc_err) || (pattrib->icv_err)))
{
DBG_8192C("%s: RX Warning! crc_err=%d icv_err=%d, skip!\n", __FUNCTION__, pattrib->crc_err, pattrib->icv_err);
rtw_free_recvframe(precvframe, pfree_recv_queue);
goto _exit_recvbuf2recvframe;
}
if ( (pattrib->physt) && (pattrib->pkt_rpt_type == NORMAL_RX))
{
pphy_status = (struct phy_stat *)(pbuf + RXDESC_OFFSET);
}
pkt_offset = RXDESC_SIZE + pattrib->drvinfo_sz + pattrib->shift_sz + pattrib->pkt_len;
if ((pattrib->pkt_len<=0) || (pkt_offset>transfer_len))
{
RT_TRACE(_module_rtl871x_recv_c_,_drv_info_,("recvbuf2recvframe: pkt_len<=0\n"));
DBG_8192C("%s()-%d: RX Warning!,pkt_len<=0 or pkt_offset> transfoer_len\n", __FUNCTION__, __LINE__);
rtw_free_recvframe(precvframe, pfree_recv_queue);
goto _exit_recvbuf2recvframe;
}
/* Modified by Albert 20101213 */
/* For 8 bytes IP header alignment. */
if (pattrib->qos) /* Qos data, wireless lan header length is 26 */
{
shift_sz = 6;
}
else
{
shift_sz = 0;
}
skb_len = pattrib->pkt_len;
/* for first fragment packet, driver need allocate 1536+drvinfo_sz+RXDESC_SIZE to defrag packet. */
/* modify alloc_sz for recvive crc error packet by thomas 2011-06-02 */
if ((pattrib->mfrag == 1)&&(pattrib->frag_num == 0)){
if (skb_len <= 1650)
alloc_sz = 1664;
else
alloc_sz = skb_len + 14;
}
else {
alloc_sz = skb_len;
/* 6 is for IP header 8 bytes alignment in QoS packet case. */
/* 8 is for skb->data 4 bytes alignment. */
alloc_sz += 14;
}
pkt_copy = rtw_skb_alloc(alloc_sz);
if (pkt_copy)
{
pkt_copy->dev = padapter->pnetdev;
precvframe->u.hdr.pkt = pkt_copy;
precvframe->u.hdr.rx_head = pkt_copy->data;
precvframe->u.hdr.rx_end = pkt_copy->data + alloc_sz;
skb_reserve( pkt_copy, 8 - ((SIZE_PTR)( pkt_copy->data ) & 7 ));/* force pkt_copy->data at 8-byte alignment address */
skb_reserve( pkt_copy, shift_sz );/* force ip_hdr at 8-byte alignment address according to shift_sz. */
memcpy(pkt_copy->data, (pbuf + pattrib->drvinfo_sz + RXDESC_SIZE), skb_len);
precvframe->u.hdr.rx_data = precvframe->u.hdr.rx_tail = pkt_copy->data;
}
else
{
if ((pattrib->mfrag == 1)&&(pattrib->frag_num == 0))
{
DBG_8192C("recvbuf2recvframe: alloc_skb fail , drop frag frame\n");
rtw_free_recvframe(precvframe, pfree_recv_queue);
goto _exit_recvbuf2recvframe;
}
precvframe->u.hdr.pkt = rtw_skb_clone(pskb);
if (precvframe->u.hdr.pkt)
{
precvframe->u.hdr.rx_head = precvframe->u.hdr.rx_data = precvframe->u.hdr.rx_tail
= pbuf+ pattrib->drvinfo_sz + RXDESC_SIZE;
precvframe->u.hdr.rx_end = pbuf +pattrib->drvinfo_sz + RXDESC_SIZE+ alloc_sz;
}
else
{
DBG_8192C("recvbuf2recvframe: rtw_skb_clone fail\n");
rtw_free_recvframe(precvframe, pfree_recv_queue);
goto _exit_recvbuf2recvframe;
}
}
recvframe_put(precvframe, skb_len);
/* recvframe_pull(precvframe, drvinfo_sz + RXDESC_SIZE); */
switch (pHalData->UsbRxAggMode) {
case USB_RX_AGG_DMA:
case USB_RX_AGG_MIX:
pkt_offset = (u16)_RND128(pkt_offset);
break;
case USB_RX_AGG_USB:
pkt_offset = (u16)_RND4(pkt_offset);
break;
case USB_RX_AGG_DISABLE:
default:
break;
}
if (pattrib->pkt_rpt_type == NORMAL_RX)/* Normal rx packet */
{
if (pattrib->physt)
update_recvframe_phyinfo_88e(precvframe, (struct phy_stat*)pphy_status);
if (rtw_recv_entry(precvframe) != _SUCCESS)
{
RT_TRACE(_module_rtl871x_recv_c_,_drv_err_,
("recvbuf2recvframe: rtw_recv_entry(precvframe) != _SUCCESS\n"));
}
} else{ /* pkt_rpt_type == TX_REPORT1-CCX, TX_REPORT2-TX RTP,HIS_REPORT-USB HISR RTP */
/* enqueue recvframe to txrtp queue */
if (pattrib->pkt_rpt_type == TX_REPORT1){
/* DBG_8192C("rx CCX\n"); */
/* CCX-TXRPT ack for xmit mgmt frames. */
handle_txrpt_ccx_88e(padapter, precvframe->u.hdr.rx_data);
}
else if (pattrib->pkt_rpt_type == TX_REPORT2){
/* DBG_8192C("rx TX RPT\n"); */
ODM_RA_TxRPT2Handle_8188E(
&pHalData->odmpriv,
precvframe->u.hdr.rx_data,
pattrib->pkt_len,
pattrib->MacIDValidEntry[0],
pattrib->MacIDValidEntry[1]
);
} else if (pattrib->pkt_rpt_type == HIS_REPORT) {
interrupt_handler_8188eu(padapter,pattrib->pkt_len,precvframe->u.hdr.rx_data);
}
rtw_free_recvframe(precvframe, pfree_recv_queue);
}
pkt_cnt--;
transfer_len -= pkt_offset;
pbuf += pkt_offset;
precvframe = NULL;
pkt_copy = NULL;
if (transfer_len>0 && pkt_cnt==0)
pkt_cnt = (le32_to_cpu(prxstat->rxdw2)>>16) & 0xff;
}while ((transfer_len>0) && (pkt_cnt>0));
_exit_recvbuf2recvframe:
return _SUCCESS;
}
void rtl8188eu_recv_tasklet(void *priv)
{
struct sk_buff *pskb;
struct adapter *padapter = (struct adapter*)priv;
struct recv_priv *precvpriv = &padapter->recvpriv;
while (NULL != (pskb = skb_dequeue(&precvpriv->rx_skb_queue)))
{
if ((padapter->bDriverStopped == true)||(padapter->bSurpriseRemoved== true))
{
DBG_8192C("recv_tasklet => bDriverStopped or bSurpriseRemoved\n");
rtw_skb_free(pskb);
break;
}
recvbuf2recvframe(padapter, pskb);
skb_reset_tail_pointer(pskb);
pskb->len = 0;
skb_queue_tail(&precvpriv->free_recv_skb_queue, pskb);
}
}
static void usb_read_port_complete(struct urb *purb, struct pt_regs *regs)
{
unsigned long irqL;
uint isevt, *pbuf;
struct recv_buf *precvbuf = (struct recv_buf *)purb->context;
struct adapter *padapter =(struct adapter *)precvbuf->adapter;
struct recv_priv *precvpriv = &padapter->recvpriv;
RT_TRACE(_module_hci_ops_os_c_,_drv_err_,("usb_read_port_complete!!!\n"));
/* _enter_critical(&precvpriv->lock, &irqL); */
/* precvbuf->irp_pending=false; */
/* precvpriv->rx_pending_cnt --; */
/* _exit_critical(&precvpriv->lock, &irqL); */
precvpriv->rx_pending_cnt --;
/* if (precvpriv->rx_pending_cnt== 0) */
/* */
/* RT_TRACE(_module_hci_ops_os_c_,_drv_err_,("usb_read_port_complete: rx_pending_cnt== 0, set allrxreturnevt!\n")); */
/* _rtw_up_sema(&precvpriv->allrxreturnevt); */
/* */
if (padapter->bSurpriseRemoved || padapter->bDriverStopped||padapter->bReadPortCancel)
{
RT_TRACE(_module_hci_ops_os_c_,_drv_err_,("usb_read_port_complete:bDriverStopped(%d) OR bSurpriseRemoved(%d)\n", padapter->bDriverStopped, padapter->bSurpriseRemoved));
precvbuf->reuse = true;
DBG_8192C("%s() RX Warning! bDriverStopped(%d) OR bSurpriseRemoved(%d) bReadPortCancel(%d)\n",
__FUNCTION__,padapter->bDriverStopped, padapter->bSurpriseRemoved,padapter->bReadPortCancel);
goto exit;
}
if (purb->status==0)/* SUCCESS */
{
if ((purb->actual_length > MAX_RECVBUF_SZ) || (purb->actual_length < RXDESC_SIZE))
{
RT_TRACE(_module_hci_ops_os_c_,_drv_err_,("usb_read_port_complete: (purb->actual_length > MAX_RECVBUF_SZ) || (purb->actual_length < RXDESC_SIZE)\n"));
precvbuf->reuse = true;
rtw_read_port(padapter, precvpriv->ff_hwaddr, 0, (unsigned char *)precvbuf);
DBG_8192C("%s()-%d: RX Warning!\n", __FUNCTION__, __LINE__);
}
else
{
rtw_reset_continual_io_error(adapter_to_dvobj(padapter));
precvbuf->transfer_len = purb->actual_length;
skb_put(precvbuf->pskb, purb->actual_length);
skb_queue_tail(&precvpriv->rx_skb_queue, precvbuf->pskb);
if (skb_queue_len(&precvpriv->rx_skb_queue)<=1)
tasklet_schedule(&precvpriv->recv_tasklet);
precvbuf->pskb = NULL;
precvbuf->reuse = false;
rtw_read_port(padapter, precvpriv->ff_hwaddr, 0, (unsigned char *)precvbuf);
}
}
else
{
RT_TRACE(_module_hci_ops_os_c_,_drv_err_,("usb_read_port_complete : purb->status(%d) != 0\n", purb->status));
DBG_8192C("###=> usb_read_port_complete => urb status(%d)\n", purb->status);
if (rtw_inc_and_chk_continual_io_error(adapter_to_dvobj(padapter)) == true ){
padapter->bSurpriseRemoved = true;
}
switch (purb->status) {
case -EINVAL:
case -EPIPE:
case -ENODEV:
case -ESHUTDOWN:
/* padapter->bSurpriseRemoved=true; */
RT_TRACE(_module_hci_ops_os_c_,_drv_err_,("usb_read_port_complete:bSurpriseRemoved=true\n"));
case -ENOENT:
padapter->bDriverStopped=true;
RT_TRACE(_module_hci_ops_os_c_,_drv_err_,("usb_read_port_complete:bDriverStopped=true\n"));
break;
case -EPROTO:
case -EILSEQ:
case -ETIME:
case -ECOMM:
case -EOVERFLOW:
{
HAL_DATA_TYPE *pHalData = GET_HAL_DATA(padapter);
pHalData->srestpriv.Wifi_Error_Status = USB_READ_PORT_FAIL;
}
precvbuf->reuse = true;
rtw_read_port(padapter, precvpriv->ff_hwaddr, 0, (unsigned char *)precvbuf);
break;
case -EINPROGRESS:
DBG_8192C("ERROR: URB IS IN PROGRESS!/n");
break;
default:
break;
}
}
exit:
;
}
static u32 usb_read_port(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *rmem)
{
unsigned long irqL;
int err;
unsigned int pipe;
SIZE_PTR tmpaddr=0;
SIZE_PTR alignment=0;
u32 ret = _SUCCESS;
struct urb *purb = NULL;
struct recv_buf *precvbuf = (struct recv_buf *)rmem;
struct adapter *adapter = pintfhdl->padapter;
struct dvobj_priv *pdvobj = adapter_to_dvobj(adapter);
struct recv_priv *precvpriv = &adapter->recvpriv;
struct usb_device *pusbd = pdvobj->pusbdev;
if (adapter->bDriverStopped || adapter->bSurpriseRemoved ||dvobj_to_pwrctl(pdvobj)->pnp_bstop_trx)
{
RT_TRACE(_module_hci_ops_os_c_,_drv_err_,("usb_read_port:( padapter->bDriverStopped ||padapter->bSurpriseRemoved ||pwrctl->pnp_bstop_trx)!!!\n"));
return _FAIL;
}
if ((precvbuf->reuse == false) || (precvbuf->pskb == NULL)) {
if (NULL != (precvbuf->pskb = skb_dequeue(&precvpriv->free_recv_skb_queue)))
precvbuf->reuse = true;
}
rtl8188eu_init_recvbuf(adapter, precvbuf);
/* re-assign for linux based on skb */
if ((precvbuf->reuse == false) || (precvbuf->pskb == NULL)) {
precvbuf->pskb = rtw_skb_alloc(MAX_RECVBUF_SZ + RECVBUFF_ALIGN_SZ);
if (precvbuf->pskb == NULL) {
RT_TRACE(_module_hci_ops_os_c_,_drv_err_,("init_recvbuf(): alloc_skb fail!\n"));
DBG_8192C("#### usb_read_port() alloc_skb fail!#####\n");
return _FAIL;
}
tmpaddr = (SIZE_PTR)precvbuf->pskb->data;
alignment = tmpaddr & (RECVBUFF_ALIGN_SZ-1);
skb_reserve(precvbuf->pskb, (RECVBUFF_ALIGN_SZ - alignment));
precvbuf->phead = precvbuf->pskb->head;
precvbuf->pdata = precvbuf->pskb->data;
precvbuf->ptail = skb_tail_pointer(precvbuf->pskb);
precvbuf->pend = skb_end_pointer(precvbuf->pskb);
precvbuf->pbuf = precvbuf->pskb->data;
} else/* reuse skb */
{
precvbuf->phead = precvbuf->pskb->head;
precvbuf->pdata = precvbuf->pskb->data;
precvbuf->ptail = skb_tail_pointer(precvbuf->pskb);
precvbuf->pend = skb_end_pointer(precvbuf->pskb);
precvbuf->pbuf = precvbuf->pskb->data;
precvbuf->reuse = false;
}
precvpriv->rx_pending_cnt++;
purb = precvbuf->purb;
/* translate DMA FIFO addr to pipehandle */
pipe = ffaddr2pipehdl(pdvobj, addr);
usb_fill_bulk_urb(purb, pusbd, pipe, precvbuf->pbuf,
MAX_RECVBUF_SZ, usb_read_port_complete,
precvbuf);/* context is precvbuf */
err = usb_submit_urb(purb, GFP_ATOMIC);
if ((err) && (err != (-EPERM))) {
RT_TRACE(_module_hci_ops_os_c_,_drv_err_,
("cannot submit rx in-token(err=0x%.8x), URB_STATUS =0x%.8x",
err, purb->status));
DBG_8192C("cannot submit rx in-token(err = 0x%08x),urb_status = %d\n",
err, purb->status);
ret = _FAIL;
}
return ret;
}
void rtl8188eu_xmit_tasklet(void *priv)
{
int ret = false;
struct adapter *padapter = (struct adapter*)priv;
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
if (check_fwstate(&padapter->mlmepriv, _FW_UNDER_SURVEY) == true)
return;
while (1) {
if (padapter->bDriverStopped ||
padapter->bSurpriseRemoved ||
padapter->bWritePortCancel) {
DBG_8192C("xmit_tasklet => bDriverStopped or bSurpriseRemoved or bWritePortCancel\n");
break;
}
ret = rtl8188eu_xmitframe_complete(padapter, pxmitpriv, NULL);
if (!ret)
break;
}
}
void rtl8188eu_set_intf_ops(struct _io_ops *pops)
{
memset((u8 *)pops, 0, sizeof(struct _io_ops));
pops->_read8 = &usb_read8;
pops->_read16 = &usb_read16;
pops->_read32 = &usb_read32;
pops->_read_mem = &usb_read_mem;
pops->_read_port = &usb_read_port;
pops->_write8 = &usb_write8;
pops->_write16 = &usb_write16;
pops->_write32 = &usb_write32;
pops->_writeN = &usb_writeN;
#ifdef CONFIG_USB_SUPPORT_ASYNC_VDN_REQ
pops->_write8_async= &usb_async_write8;
pops->_write16_async = &usb_async_write16;
pops->_write32_async = &usb_async_write32;
#endif
pops->_write_mem = &usb_write_mem;
pops->_write_port = &usb_write_port;
pops->_read_port_cancel = &usb_read_port_cancel;
pops->_write_port_cancel = &usb_write_port_cancel;
#ifdef CONFIG_USB_INTERRUPT_IN_PIPE
pops->_read_interrupt = &usb_read_interrupt;
#endif
}
void rtl8188eu_set_hw_type(struct adapter *padapter)
{
padapter->chip_type = RTL8188E;
padapter->HardwareType = HARDWARE_TYPE_RTL8188EU;
DBG_871X("CHIP TYPE: RTL8188E\n");
}
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