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rtl8188eu/hal/usb_ops_linux.c
Larry Finger 126d786bd4 rtl8188eu: Fix fallthrough statements 
In kernel 5.4.0-rc3, the kernel includes define a "fallthrough" macro,
which breaks a couple of the statements in the driver. Use __fallthrough__
instead.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
2019-10-16 11:10:48 -05:00

717 lines
20 KiB
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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 <osdep_service.h>
#include <drv_types.h>
#include <osdep_intf.h>
#include <usb_ops.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 *adapt = pintfhdl->padapter;
struct dvobj_priv *dvobjpriv = adapter_to_dvobj(adapt);
struct usb_device *udev = dvobjpriv->pusbdev;
unsigned int pipe;
int status = 0;
u8 reqtype;
u8 *pIo_buf;
int vendorreq_times = 0;
if ((adapt->bSurpriseRemoved) || (adapt->pwrctrlpriv.pnp_bstop_trx)) {
RT_TRACE(_module_hci_ops_os_c_, _drv_err_, ("usbctrl_vendorreq:(adapt->bSurpriseRemoved ||adapter->pwrctrlpriv.pnp_bstop_trx)!!!\n"));
status = -EPERM;
goto exit;
}
if (len > MAX_VENDOR_REQ_CMD_SIZE) {
DBG_88E("[%s] Buffer len error ,vendor request failed\n", __func__);
status = -EINVAL;
goto exit;
}
_enter_critical_mutex(&dvobjpriv->usb_vendor_req_mutex, NULL);
/* Acquire IO memory for vendorreq */
pIo_buf = dvobjpriv->usb_vendor_req_buf;
if (pIo_buf == NULL) {
DBG_88E("[%s] pIo_buf == NULL\n", __func__);
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_urb_error(dvobjpriv);
if (requesttype == 0x01)
memcpy(pdata, pIo_buf, len);
} else { /* error cases */
DBG_88E("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) {
adapt->bSurpriseRemoved = true;
} else {
struct hal_data_8188e *haldata = GET_HAL_DATA(adapt);
haldata->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_urb_error(dvobjpriv)) {
adapt->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_mutex:
_exit_critical_mutex(&dvobjpriv->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 = 0;
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 (u16)(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};
int ret;
request = 0x05;
requesttype = 0x00;/* write_out */
index = 0;/* n/a */
wvalue = (u16)(addr&0x0000ffff);
len = length;
memcpy(buf, pdata, len);
ret = usbctrl_vendorreq(pintfhdl, request, wvalue, index, buf, len, requesttype);
return ret;
}
static void interrupt_handler_8188eu(struct adapter *adapt, u16 pkt_len, u8 *pbuf)
{
struct hal_data_8188e *haldata = GET_HAL_DATA(adapt);
if (pkt_len != INTERRUPT_MSG_FORMAT_LEN) {
DBG_88E("%s Invalid interrupt content length (%d)!\n", __func__, pkt_len);
return;
}
/* HISR */
memcpy(&(haldata->IntArray[0]), &(pbuf[USB_INTR_CONTENT_HISR_OFFSET]), 4);
memcpy(&(haldata->IntArray[1]), &(pbuf[USB_INTR_CONTENT_HISRE_OFFSET]), 4);
/* C2H Event */
if (pbuf[0] != 0)
memcpy(&(haldata->C2hArray[0]), &(pbuf[USB_INTR_CONTENT_C2H_OFFSET]), 16);
}
static int recvbuf2recvframe(struct adapter *adapt, 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;
struct recv_frame *precvframe = NULL;
struct rx_pkt_attrib *pattrib = NULL;
struct hal_data_8188e *haldata = GET_HAL_DATA(adapt);
struct recv_priv *precvpriv = &adapt->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_88E("%s()-%d: rtw_alloc_recvframe() failed! RX Drop!\n", __func__, __LINE__);
goto _exit_recvbuf2recvframe;
}
INIT_LIST_HEAD(&precvframe->list);
precvframe->precvbuf = NULL; /* can't access the precvbuf for new arch. */
precvframe->len = 0;
update_recvframe_attrib_88e(precvframe, prxstat);
pattrib = &precvframe->attrib;
if ((pattrib->crc_err) || (pattrib->icv_err)) {
DBG_88E("%s: RX Warning! crc_err=%d icv_err=%d, skip!\n", __func__, 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_88E("%s()-%d: RX Warning!,pkt_len<=0 or pkt_offset> transfoer_len\n", __func__, __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 = netdev_alloc_skb(adapt->pnetdev, alloc_sz);
if (pkt_copy) {
pkt_copy->dev = adapt->pnetdev;
precvframe->pkt = pkt_copy;
precvframe->rx_head = pkt_copy->data;
precvframe->rx_end = pkt_copy->data + alloc_sz;
skb_reserve(pkt_copy, 8 - ((size_t)(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->rx_tail = pkt_copy->data;
precvframe->rx_data = pkt_copy->data;
} else {
if ((pattrib->mfrag == 1) && (pattrib->frag_num == 0)) {
DBG_88E("recvbuf2recvframe: alloc_skb fail , drop frag frame\n");
rtw_free_recvframe(precvframe, pfree_recv_queue);
goto _exit_recvbuf2recvframe;
}
precvframe->pkt = skb_clone(pskb, GFP_ATOMIC);
if (precvframe->pkt) {
precvframe->rx_tail = pbuf + pattrib->drvinfo_sz + RXDESC_SIZE;
precvframe->rx_head = precvframe->rx_tail;
precvframe->rx_data = precvframe->rx_tail;
precvframe->rx_end = pbuf + pattrib->drvinfo_sz + RXDESC_SIZE + alloc_sz;
} else {
DBG_88E("recvbuf2recvframe: skb_clone fail\n");
rtw_free_recvframe(precvframe, pfree_recv_queue);
goto _exit_recvbuf2recvframe;
}
}
recvframe_put(precvframe, skb_len);
switch (haldata->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 {
/* enqueue recvframe to txrtp queue */
if (pattrib->pkt_rpt_type == TX_REPORT1) {
/* CCX-TXRPT ack for xmit mgmt frames. */
handle_txrpt_ccx_88e(adapt, precvframe->rx_data);
} else if (pattrib->pkt_rpt_type == TX_REPORT2) {
ODM_RA_TxRPT2Handle_8188E(
&haldata->odmpriv,
precvframe->rx_data,
pattrib->pkt_len,
pattrib->MacIDValidEntry[0],
pattrib->MacIDValidEntry[1]
);
} else if (pattrib->pkt_rpt_type == HIS_REPORT) {
interrupt_handler_8188eu(adapt, pattrib->pkt_len, precvframe->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 *adapt = (struct adapter *)priv;
struct recv_priv *precvpriv = &adapt->recvpriv;
while (NULL != (pskb = skb_dequeue(&precvpriv->rx_skb_queue))) {
if ((adapt->bDriverStopped) || (adapt->bSurpriseRemoved)) {
DBG_88E("recv_tasklet => bDriverStopped or bSurpriseRemoved\n");
dev_kfree_skb_any(pskb);
break;
}
recvbuf2recvframe(adapt, 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)
{
struct recv_buf *precvbuf = (struct recv_buf *)purb->context;
struct adapter *adapt = (struct adapter *)precvbuf->adapter;
struct recv_priv *precvpriv = &adapt->recvpriv;
RT_TRACE(_module_hci_ops_os_c_, _drv_err_, ("usb_read_port_complete!!!\n"));
precvpriv->rx_pending_cnt--;
if (adapt->bSurpriseRemoved || adapt->bDriverStopped || adapt->bReadPortCancel) {
RT_TRACE(_module_hci_ops_os_c_, _drv_err_,
("usb_read_port_complete:bDriverStopped(%d) OR bSurpriseRemoved(%d)\n",
adapt->bDriverStopped, adapt->bSurpriseRemoved));
precvbuf->reuse = true;
DBG_88E("%s() RX Warning! bDriverStopped(%d) OR bSurpriseRemoved(%d) bReadPortCancel(%d)\n",
__func__, adapt->bDriverStopped,
adapt->bSurpriseRemoved, adapt->bReadPortCancel);
return;
}
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(adapt, precvpriv->ff_hwaddr, 0, (unsigned char *)precvbuf);
DBG_88E("%s()-%d: RX Warning!\n", __func__, __LINE__);
} else {
rtw_reset_continual_urb_error(adapter_to_dvobj(adapt));
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(adapt, 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_88E("###=> usb_read_port_complete => urb status(%d)\n", purb->status);
skb_put(precvbuf->pskb, purb->actual_length);
precvbuf->pskb = NULL;
if (rtw_inc_and_chk_continual_urb_error(adapter_to_dvobj(adapt)))
adapt->bSurpriseRemoved = true;
switch (purb->status) {
case -EINVAL:
case -EPIPE:
case -ENODEV:
case -ESHUTDOWN:
RT_TRACE(_module_hci_ops_os_c_, _drv_err_, ("usb_read_port_complete:bSurpriseRemoved=true\n"));
__attribute__((__fallthrough__));
case -ENOENT:
adapt->bDriverStopped = true;
RT_TRACE(_module_hci_ops_os_c_, _drv_err_, ("usb_read_port_complete:bDriverStopped=true\n"));
break;
case -EPROTO:
case -EOVERFLOW:
{
struct hal_data_8188e *haldata = GET_HAL_DATA(adapt);
haldata->srestpriv.Wifi_Error_Status = USB_READ_PORT_FAIL;
}
precvbuf->reuse = true;
rtw_read_port(adapt, precvpriv->ff_hwaddr, 0, (unsigned char *)precvbuf);
break;
case -EINPROGRESS:
DBG_88E("ERROR: URB IS IN PROGRESS!/n");
break;
default:
break;
}
}
}
static u32 usb_read_port(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *rmem)
{
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;
int err;
unsigned int pipe;
size_t tmpaddr = 0;
size_t alignment = 0;
u32 ret = _SUCCESS;
if (adapter->bDriverStopped || adapter->bSurpriseRemoved ||
adapter->pwrctrlpriv.pnp_bstop_trx) {
RT_TRACE(_module_hci_ops_os_c_, _drv_err_,
("usb_read_port:(adapt->bDriverStopped ||adapt->bSurpriseRemoved ||adapter->pwrctrlpriv.pnp_bstop_trx)!!!\n"));
return _FAIL;
}
if (!precvbuf) {
RT_TRACE(_module_hci_ops_os_c_, _drv_err_,
("usb_read_port:precvbuf==NULL\n"));
return _FAIL;
}
if ((!precvbuf->reuse) || (precvbuf->pskb == NULL)) {
precvbuf->pskb = skb_dequeue(&precvpriv->free_recv_skb_queue);
if (NULL != precvbuf->pskb)
precvbuf->reuse = true;
}
rtl8188eu_init_recvbuf(adapter, precvbuf);
/* re-assign for linux based on skb */
if ((!precvbuf->reuse) || (precvbuf->pskb == NULL)) {
precvbuf->pskb = netdev_alloc_skb(adapter->pnetdev, 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_88E("#### usb_read_port() alloc_skb fail!#####\n");
return _FAIL;
}
tmpaddr = (size_t)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_88E("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 *adapt = (struct adapter *)priv;
struct xmit_priv *pxmitpriv = &adapt->xmitpriv;
if (check_fwstate(&adapt->mlmepriv, _FW_UNDER_SURVEY))
return;
while (1) {
if ((adapt->bDriverStopped) ||
(adapt->bSurpriseRemoved) ||
(adapt->bWritePortCancel)) {
DBG_88E("xmit_tasklet => bDriverStopped or bSurpriseRemoved or bWritePortCancel\n");
break;
}
ret = rtl8188eu_xmitframe_complete(adapt, 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;
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;
}
void rtl8188eu_set_hw_type(struct adapter *adapt)
{
adapt->chip_type = RTL8188E;
adapt->HardwareType = HARDWARE_TYPE_RTL8188EU;
DBG_88E("CHIP TYPE: RTL8188E\n");
}
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