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usb_ops_linux.c
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usb_ops_linux.c
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/******************************************************************************
*
* Copyright(c) 2007 - 2017 Realtek Corporation.
*
* 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.
*
*****************************************************************************/
#define _USB_OPS_LINUX_C_
#include <drv_types.h>
#include <hal_data.h>
#include <rtw_sreset.h>
struct rtw_async_write_data {
u8 data[VENDOR_CMD_MAX_DATA_LEN];
struct usb_ctrlrequest dr;
};
int usbctrl_vendorreq(struct intf_hdl *pintfhdl, u8 request, u16 value, u16 index, void *pdata, u16 len, u8 requesttype)
{
_adapter *padapter = pintfhdl->padapter;
struct dvobj_priv *pdvobjpriv = adapter_to_dvobj(padapter);
struct usb_device *udev = pdvobjpriv->pusbdev;
unsigned int pipe;
int status = 0;
#ifdef CONFIG_USB_VENDOR_REQ_BUFFER_DYNAMIC_ALLOCATE
u32 tmp_buflen = 0;
#endif
u8 reqtype;
u8 *pIo_buf;
int vendorreq_times = 0;
#if (defined(CONFIG_RTL8822B) || defined(CONFIG_RTL8821C)) || defined(CONFIG_RTL8822C)
#define REG_ON_SEC 0x00
#define REG_OFF_SEC 0x01
#define REG_LOCAL_SEC 0x02
u8 current_reg_sec = REG_LOCAL_SEC;
#endif
#ifdef CONFIG_USB_VENDOR_REQ_BUFFER_DYNAMIC_ALLOCATE
u8 *tmp_buf;
#else /* use stack memory */
#ifndef CONFIG_USB_VENDOR_REQ_BUFFER_PREALLOC
u8 tmp_buf[MAX_USB_IO_CTL_SIZE];
#endif
#endif
/* RTW_INFO("%s %s:%d\n",__FUNCTION__, current->comm, current->pid); */
if (RTW_CANNOT_IO(padapter)) {
status = -EPERM;
goto exit;
}
if (len > MAX_VENDOR_REQ_CMD_SIZE) {
RTW_INFO("[%s] Buffer len error ,vendor request failed\n", __FUNCTION__);
status = -EINVAL;
goto exit;
}
#ifdef CONFIG_USB_VENDOR_REQ_MUTEX
_enter_critical_mutex_lock(&pdvobjpriv->usb_vendor_req_mutex, NULL);
#endif
/* Acquire IO memory for vendorreq */
#ifdef CONFIG_USB_VENDOR_REQ_BUFFER_PREALLOC
pIo_buf = pdvobjpriv->usb_vendor_req_buf;
#else
#ifdef CONFIG_USB_VENDOR_REQ_BUFFER_DYNAMIC_ALLOCATE
tmp_buf = rtw_malloc((u32) len + ALIGNMENT_UNIT);
tmp_buflen = (u32)len + ALIGNMENT_UNIT;
#else /* use stack memory */
tmp_buflen = MAX_USB_IO_CTL_SIZE;
#endif
/* Added by Albert 2010/02/09 */
/* For mstar platform, mstar suggests the address for USB IO should be 16 bytes alignment. */
/* Trying to fix it here. */
pIo_buf = (tmp_buf == NULL) ? NULL : tmp_buf + ALIGNMENT_UNIT - ((SIZE_PTR)(tmp_buf) & 0x0f);
#endif
if (pIo_buf == NULL) {
RTW_INFO("[%s] pIo_buf == NULL\n", __FUNCTION__);
status = -ENOMEM;
goto release_mutex;
}
while (++vendorreq_times <= MAX_USBCTRL_VENDORREQ_TIMES) {
_rtw_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;
_rtw_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. */
_rtw_memcpy(pdata, pIo_buf, len);
}
} else { /* error cases */
switch (len) {
case 1:
RTW_INFO("reg 0x%x, usb %s %u fail, status:%d value=0x%x, vendorreq_times:%d\n"
, value, (requesttype == 0x01) ? "read" : "write" , len, status, *(u8 *)pdata, vendorreq_times);
break;
case 2:
RTW_INFO("reg 0x%x, usb %s %u fail, status:%d value=0x%x, vendorreq_times:%d\n"
, value, (requesttype == 0x01) ? "read" : "write" , len, status, *(u16 *)pdata, vendorreq_times);
break;
case 4:
RTW_INFO("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);
break;
default:
RTW_INFO("reg 0x%x, usb %s %u fail, status:%d, vendorreq_times:%d\n"
, value, (requesttype == 0x01) ? "read" : "write" , len, status, vendorreq_times);
break;
}
if (status < 0) {
if (status == (-ESHUTDOWN) || status == -ENODEV)
rtw_set_surprise_removed(padapter);
else {
#ifdef DBG_CONFIG_ERROR_DETECT
{
HAL_DATA_TYPE *pHalData = GET_HAL_DATA(padapter);
pHalData->srestpriv.Wifi_Error_Status = USB_VEN_REQ_CMD_FAIL;
}
#endif
}
} 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. */
_rtw_memcpy(pdata, pIo_buf, len);
}
}
}
if (rtw_inc_and_chk_continual_io_error(pdvobjpriv) == _TRUE) {
rtw_set_surprise_removed(padapter);
break;
}
}
/* firmware download is checksumed, don't retry */
if ((value >= FW_START_ADDRESS) || status == len)
break;
}
#if (defined(CONFIG_RTL8822B) || defined(CONFIG_RTL8821C)) || defined(CONFIG_RTL8822C)
if (value < 0xFE00) {
if (value <= 0xff)
current_reg_sec = REG_ON_SEC;
else if (0x1000 <= value && value <= 0x10ff)
current_reg_sec = REG_ON_SEC;
else
current_reg_sec = REG_OFF_SEC;
} else {
current_reg_sec = REG_LOCAL_SEC;
}
if (current_reg_sec == REG_ON_SEC) {
unsigned int t_pipe = usb_sndctrlpipe(udev, 0);/* write_out */
u8 t_reqtype = REALTEK_USB_VENQT_WRITE;
u8 t_len = 1;
u8 t_req = 0x05;
u16 t_reg = 0;
u16 t_index = 0;
t_reg = 0x4e0;
status = rtw_usb_control_msg(udev, t_pipe, t_req, t_reqtype, t_reg, t_index, pIo_buf, t_len, RTW_USB_CONTROL_MSG_TIMEOUT);
if (status == t_len)
rtw_reset_continual_io_error(pdvobjpriv);
else
RTW_INFO("reg 0x%x, usb %s %u fail, status:%d\n", t_reg, "write" , t_len, status);
}
#endif
/* release IO memory used by vendorreq */
#ifdef CONFIG_USB_VENDOR_REQ_BUFFER_DYNAMIC_ALLOCATE
rtw_mfree(tmp_buf, tmp_buflen);
#endif
release_mutex:
#ifdef CONFIG_USB_VENDOR_REQ_MUTEX
_exit_critical_mutex(&pdvobjpriv->usb_vendor_req_mutex, NULL);
#endif
exit:
return status;
}
#ifdef CONFIG_USB_SUPPORT_ASYNC_VDN_REQ
static void _usbctrl_vendorreq_async_callback(struct urb *urb, struct pt_regs *regs)
{
if (urb) {
if (urb->context)
rtw_mfree(urb->context, sizeof(struct rtw_async_write_data));
usb_free_urb(urb);
}
}
int _usbctrl_vendorreq_async_write(struct usb_device *udev, u8 request,
u16 value, u16 index, void *pdata, u16 len, u8 requesttype)
{
int rc;
unsigned int pipe;
u8 reqtype;
struct usb_ctrlrequest *dr;
struct urb *urb;
struct rtw_async_write_data *buf;
if (requesttype == VENDOR_READ) {
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;
}
buf = (struct rtl819x_async_write_data *)rtw_zmalloc(sizeof(*buf));
if (!buf) {
rc = -ENOMEM;
goto exit;
}
urb = usb_alloc_urb(0, GFP_ATOMIC);
if (!urb) {
rtw_mfree((u8 *)buf, sizeof(*buf));
rc = -ENOMEM;
goto exit;
}
dr = &buf->dr;
dr->bRequestType = reqtype;
dr->bRequest = request;
dr->wValue = cpu_to_le16(value);
dr->wIndex = cpu_to_le16(index);
dr->wLength = cpu_to_le16(len);
_rtw_memcpy(buf, pdata, len);
usb_fill_control_urb(urb, udev, pipe, (unsigned char *)dr, buf, len,
_usbctrl_vendorreq_async_callback, buf);
rc = usb_submit_urb(urb, GFP_ATOMIC);
if (rc < 0) {
rtw_mfree((u8 *)buf, sizeof(*buf));
usb_free_urb(urb);
}
exit:
return rc;
}
#endif /* CONFIG_USB_SUPPORT_ASYNC_VDN_REQ */
unsigned int ffaddr2pipehdl(struct dvobj_priv *pdvobj, u32 addr)
{
unsigned int pipe = 0, ep_num = 0;
struct usb_device *pusbd = pdvobj->pusbdev;
if (addr == RECV_BULK_IN_ADDR)
pipe = usb_rcvbulkpipe(pusbd, pdvobj->RtInPipe[0]);
else if (addr == RECV_INT_IN_ADDR)
pipe = usb_rcvintpipe(pusbd, pdvobj->RtInPipe[1]);
#ifdef RTW_HALMAC
/* halmac already translate queue id to bulk out id (addr 0~3) */
/* 8814BU bulk out id range is 0~6 */
else if (addr < MAX_BULKOUT_NUM) {
ep_num = pdvobj->RtOutPipe[addr];
pipe = usb_sndbulkpipe(pusbd, ep_num);
}
#else
else if (addr < HW_QUEUE_ENTRY) {
ep_num = pdvobj->Queue2Pipe[addr];
pipe = usb_sndbulkpipe(pusbd, ep_num);
}
#endif
return pipe;
}
struct zero_bulkout_context {
void *pbuf;
void *purb;
void *pirp;
void *padapter;
};
#if 0
static void usb_bulkout_zero_complete(struct urb *purb, struct pt_regs *regs)
{
struct zero_bulkout_context *pcontext = (struct zero_bulkout_context *)purb->context;
/* RTW_INFO("+usb_bulkout_zero_complete\n"); */
if (pcontext) {
if (pcontext->pbuf)
rtw_mfree(pcontext->pbuf, sizeof(int));
if (pcontext->purb && (pcontext->purb == purb))
usb_free_urb(pcontext->purb);
rtw_mfree((u8 *)pcontext, sizeof(struct zero_bulkout_context));
}
}
static u32 usb_bulkout_zero(struct intf_hdl *pintfhdl, u32 addr)
{
int pipe, status, len;
u32 ret;
unsigned char *pbuf;
struct zero_bulkout_context *pcontext;
PURB purb = NULL;
_adapter *padapter = (_adapter *)pintfhdl->padapter;
struct dvobj_priv *pdvobj = adapter_to_dvobj(padapter);
struct usb_device *pusbd = pdvobj->pusbdev;
/* RTW_INFO("%s\n", __func__); */
if (RTW_CANNOT_TX(padapter))
return _FAIL;
pcontext = (struct zero_bulkout_context *)rtw_zmalloc(sizeof(struct zero_bulkout_context));
if (pcontext == NULL)
return _FAIL;
pbuf = (unsigned char *)rtw_zmalloc(sizeof(int));
purb = usb_alloc_urb(0, GFP_ATOMIC);
/* translate DMA FIFO addr to pipehandle */
pipe = ffaddr2pipehdl(pdvobj, addr);
len = 0;
pcontext->pbuf = pbuf;
pcontext->purb = purb;
pcontext->pirp = NULL;
pcontext->padapter = padapter;
/* translate DMA FIFO addr to pipehandle */
/* pipe = ffaddr2pipehdl(pdvobj, addr); */
usb_fill_bulk_urb(purb, pusbd, pipe,
pbuf,
len,
usb_bulkout_zero_complete,
pcontext);/* context is pcontext */
status = usb_submit_urb(purb, GFP_ATOMIC);
if (!status)
ret = _SUCCESS;
else
ret = _FAIL;
return _SUCCESS;
}
#endif
void usb_read_mem(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *rmem)
{
}
void usb_write_mem(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *wmem)
{
}
void usb_read_port_cancel(struct intf_hdl *pintfhdl)
{
int i;
struct recv_buf *precvbuf;
_adapter *padapter = pintfhdl->padapter;
struct registry_priv *regsty = adapter_to_regsty(padapter);
precvbuf = (struct recv_buf *)padapter->recvpriv.precv_buf;
RTW_INFO("%s\n", __func__);
for (i = 0; i < regsty->recvbuf_nr ; i++) {
if (precvbuf->purb) {
/* RTW_INFO("usb_read_port_cancel : usb_kill_urb\n"); */
usb_kill_urb(precvbuf->purb);
}
precvbuf++;
}
#ifdef CONFIG_USB_INTERRUPT_IN_PIPE
usb_kill_urb(padapter->recvpriv.int_in_urb);
#endif
}
static void usb_write_port_complete(struct urb *purb, struct pt_regs *regs)
{
_irqL irqL;
struct xmit_buf *pxmitbuf = (struct xmit_buf *)purb->context;
/* struct xmit_frame *pxmitframe = (struct xmit_frame *)pxmitbuf->priv_data; */
/* _adapter *padapter = pxmitframe->padapter; */
_adapter *padapter = pxmitbuf->padapter;
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
/* struct pkt_attrib *pattrib = &pxmitframe->attrib; */
switch (pxmitbuf->flags) {
case VO_QUEUE_INX:
pxmitpriv->voq_cnt--;
break;
case VI_QUEUE_INX:
pxmitpriv->viq_cnt--;
break;
case BE_QUEUE_INX:
pxmitpriv->beq_cnt--;
break;
case BK_QUEUE_INX:
pxmitpriv->bkq_cnt--;
break;
default:
break;
}
/*
_enter_critical(&pxmitpriv->lock, &irqL);
pxmitpriv->txirp_cnt--;
switch(pattrib->priority)
{
case 1:
case 2:
pxmitpriv->bkq_cnt--;
break;
case 4:
case 5:
pxmitpriv->viq_cnt--;
break;
case 6:
case 7:
pxmitpriv->voq_cnt--;
break;
case 0:
case 3:
default:
pxmitpriv->beq_cnt--;
break;
}
_exit_critical(&pxmitpriv->lock, &irqL);
if(pxmitpriv->txirp_cnt==0)
{
_rtw_up_sema(&(pxmitpriv->tx_retevt));
}
*/
/* rtw_free_xmitframe(pxmitpriv, pxmitframe); */
if (RTW_CANNOT_TX(padapter)) {
RTW_INFO("%s(): TX Warning! bDriverStopped(%s) OR bSurpriseRemoved(%s) pxmitbuf->buf_tag(%x)\n"
, __func__
, rtw_is_drv_stopped(padapter) ? "True" : "False"
, rtw_is_surprise_removed(padapter) ? "True" : "False"
, pxmitbuf->buf_tag);
goto check_completion;
}
if (purb->status == 0) {
} else {
RTW_INFO("###=> urb_write_port_complete status(%d)\n", purb->status);
if ((purb->status == -EPIPE) || (purb->status == -EPROTO)) {
/* usb_clear_halt(pusbdev, purb->pipe); */
/* msleep(10); */
sreset_set_wifi_error_status(padapter, USB_WRITE_PORT_FAIL);
} else if (purb->status == -EINPROGRESS) {
goto check_completion;
} else if (purb->status == -ENOENT) {
RTW_INFO("%s: -ENOENT\n", __func__);
goto check_completion;
} else if (purb->status == -ECONNRESET) {
RTW_INFO("%s: -ECONNRESET\n", __func__);
goto check_completion;
} else if (purb->status == -ESHUTDOWN) {
rtw_set_drv_stopped(padapter);
goto check_completion;
} else {
rtw_set_surprise_removed(padapter);
RTW_INFO("bSurpriseRemoved=TRUE\n");
goto check_completion;
}
}
#ifdef DBG_CONFIG_ERROR_DETECT
{
HAL_DATA_TYPE *pHalData = GET_HAL_DATA(padapter);
pHalData->srestpriv.last_tx_complete_time = rtw_get_current_time();
}
#endif
check_completion:
_enter_critical(&pxmitpriv->lock_sctx, &irqL);
rtw_sctx_done_err(&pxmitbuf->sctx,
purb->status ? RTW_SCTX_DONE_WRITE_PORT_ERR : RTW_SCTX_DONE_SUCCESS);
_exit_critical(&pxmitpriv->lock_sctx, &irqL);
rtw_free_xmitbuf(pxmitpriv, pxmitbuf);
/* if(rtw_txframes_pending(padapter)) */
{
tasklet_hi_schedule(&pxmitpriv->xmit_tasklet);
}
}
u32 usb_write_port(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *wmem)
{
_irqL irqL;
unsigned int pipe;
int status;
u32 ret = _FAIL;
PURB purb = NULL;
_adapter *padapter = (_adapter *)pintfhdl->padapter;
struct dvobj_priv *pdvobj = adapter_to_dvobj(padapter);
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
struct xmit_buf *pxmitbuf = (struct xmit_buf *)wmem;
struct xmit_frame *pxmitframe = (struct xmit_frame *)pxmitbuf->priv_data;
struct usb_device *pusbd = pdvobj->pusbdev;
if (RTW_CANNOT_TX(padapter)) {
#ifdef DBG_TX
RTW_INFO(" DBG_TX %s:%d bDriverStopped%s, bSurpriseRemoved:%s\n", __func__, __LINE__
, rtw_is_drv_stopped(padapter) ? "True" : "False"
, rtw_is_surprise_removed(padapter) ? "True" : "False");
#endif
rtw_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_TX_DENY);
goto exit;
}
_enter_critical(&pxmitpriv->lock, &irqL);
switch (addr) {
case VO_QUEUE_INX:
pxmitpriv->voq_cnt++;
pxmitbuf->flags = VO_QUEUE_INX;
break;
case VI_QUEUE_INX:
pxmitpriv->viq_cnt++;
pxmitbuf->flags = VI_QUEUE_INX;
break;
case BE_QUEUE_INX:
pxmitpriv->beq_cnt++;
pxmitbuf->flags = BE_QUEUE_INX;
break;
case BK_QUEUE_INX:
pxmitpriv->bkq_cnt++;
pxmitbuf->flags = BK_QUEUE_INX;
break;
case HIGH_QUEUE_INX:
pxmitbuf->flags = HIGH_QUEUE_INX;
break;
default:
pxmitbuf->flags = MGT_QUEUE_INX;
break;
}
_exit_critical(&pxmitpriv->lock, &irqL);
purb = pxmitbuf->pxmit_urb[0];
/* translate DMA FIFO addr to pipehandle */
#ifdef RTW_HALMAC
pipe = ffaddr2pipehdl(pdvobj, pxmitbuf->bulkout_id);
#else
pipe = ffaddr2pipehdl(pdvobj, addr);
#endif
#ifdef CONFIG_REDUCE_USB_TX_INT
if ((pxmitpriv->free_xmitbuf_cnt % NR_XMITBUFF == 0)
|| (pxmitbuf->buf_tag > XMITBUF_DATA))
purb->transfer_flags &= (~URB_NO_INTERRUPT);
else {
purb->transfer_flags |= URB_NO_INTERRUPT;
/* RTW_INFO("URB_NO_INTERRUPT "); */
}
#endif
usb_fill_bulk_urb(purb, pusbd, pipe,
pxmitframe->buf_addr, /* = pxmitbuf->pbuf */
cnt,
usb_write_port_complete,
pxmitbuf);/* context is pxmitbuf */
#ifdef CONFIG_USE_USB_BUFFER_ALLOC_TX
purb->transfer_dma = pxmitbuf->dma_transfer_addr;
purb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
purb->transfer_flags |= URB_ZERO_PACKET;
#endif /* CONFIG_USE_USB_BUFFER_ALLOC_TX */
#ifdef USB_PACKET_OFFSET_SZ
#if (USB_PACKET_OFFSET_SZ == 0)
purb->transfer_flags |= URB_ZERO_PACKET;
#endif
#endif
#if 0
if (bwritezero)
purb->transfer_flags |= URB_ZERO_PACKET;
#endif
status = usb_submit_urb(purb, GFP_ATOMIC);
if (!status) {
#ifdef DBG_CONFIG_ERROR_DETECT
{
HAL_DATA_TYPE *pHalData = GET_HAL_DATA(padapter);
pHalData->srestpriv.last_tx_time = rtw_get_current_time();
}
#endif
} else {
rtw_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_WRITE_PORT_ERR);
RTW_INFO("usb_write_port, status=%d\n", status);
switch (status) {
case -ENODEV:
rtw_set_drv_stopped(padapter);
break;
default:
break;
}
goto exit;
}
ret = _SUCCESS;
/* Commented by Albert 2009/10/13
* We add the URB_ZERO_PACKET flag to urb so that the host will send the zero packet automatically. */
/*
if(bwritezero == _TRUE)
{
usb_bulkout_zero(pintfhdl, addr);
}
*/
exit:
if (ret != _SUCCESS)
rtw_free_xmitbuf(pxmitpriv, pxmitbuf);
return ret;
}
void usb_write_port_cancel(struct intf_hdl *pintfhdl)
{
int i, j;
_adapter *padapter = pintfhdl->padapter;
struct xmit_buf *pxmitbuf = (struct xmit_buf *)padapter->xmitpriv.pxmitbuf;
RTW_INFO("%s\n", __func__);
for (i = 0; i < NR_XMITBUFF; i++) {
for (j = 0; j < 8; j++) {
if (pxmitbuf->pxmit_urb[j])
usb_kill_urb(pxmitbuf->pxmit_urb[j]);
}
pxmitbuf++;
}
pxmitbuf = (struct xmit_buf *)padapter->xmitpriv.pxmit_extbuf;
for (i = 0; i < NR_XMIT_EXTBUFF ; i++) {
for (j = 0; j < 8; j++) {
if (pxmitbuf->pxmit_urb[j])
usb_kill_urb(pxmitbuf->pxmit_urb[j]);
}
pxmitbuf++;
}
}
void usb_init_recvbuf(_adapter *padapter, struct recv_buf *precvbuf)
{
precvbuf->transfer_len = 0;
precvbuf->len = 0;
precvbuf->ref_cnt = 0;
if (precvbuf->pbuf) {
precvbuf->pdata = precvbuf->phead = precvbuf->ptail = precvbuf->pbuf;
precvbuf->pend = precvbuf->pdata + MAX_RECVBUF_SZ;
}
}
int recvbuf2recvframe(PADAPTER padapter, void *ptr);
#ifdef CONFIG_USE_USB_BUFFER_ALLOC_RX
void usb_recv_tasklet(void *priv)
{
struct recv_buf *precvbuf = NULL;
_adapter *padapter = (_adapter *)priv;
struct recv_priv *precvpriv = &padapter->recvpriv;
while (NULL != (precvbuf = rtw_dequeue_recvbuf(&precvpriv->recv_buf_pending_queue))) {
if (RTW_CANNOT_RUN(padapter)) {
RTW_INFO("recv_tasklet => bDriverStopped(%s) OR bSurpriseRemoved(%s)\n"
, rtw_is_drv_stopped(padapter)? "True" : "False"
, rtw_is_surprise_removed(padapter)? "True" : "False");
break;
}
recvbuf2recvframe(padapter, precvbuf);
rtw_read_port(padapter, precvpriv->ff_hwaddr, 0, (unsigned char *)precvbuf);
}
}
void usb_read_port_complete(struct urb *purb, struct pt_regs *regs)
{
struct recv_buf *precvbuf = (struct recv_buf *)purb->context;
_adapter *padapter = (_adapter *)precvbuf->adapter;
struct recv_priv *precvpriv = &padapter->recvpriv;
ATOMIC_DEC(&(precvpriv->rx_pending_cnt));
if (RTW_CANNOT_RX(padapter)) {
RTW_INFO("%s() RX Warning! bDriverStopped(%s) OR bSurpriseRemoved(%s)\n"
, __func__
, rtw_is_drv_stopped(padapter) ? "True" : "False"
, rtw_is_surprise_removed(padapter) ? "True" : "False");
return;
}
if (purb->status == 0) {
if ((purb->actual_length > MAX_RECVBUF_SZ) || (purb->actual_length < RXDESC_SIZE)) {
RTW_INFO("%s()-%d: urb->actual_length:%u, MAX_RECVBUF_SZ:%u, RXDESC_SIZE:%u\n"
, __FUNCTION__, __LINE__, purb->actual_length, MAX_RECVBUF_SZ, RXDESC_SIZE);
rtw_read_port(padapter, precvpriv->ff_hwaddr, 0, (unsigned char *)precvbuf);
} else {
rtw_reset_continual_io_error(adapter_to_dvobj(padapter));
precvbuf->transfer_len = purb->actual_length;
rtw_enqueue_recvbuf(precvbuf, &precvpriv->recv_buf_pending_queue);
tasklet_schedule(&precvpriv->recv_tasklet);
}
} else {
RTW_INFO("###=> usb_read_port_complete => urb.status(%d)\n", purb->status);
if (rtw_inc_and_chk_continual_io_error(adapter_to_dvobj(padapter)) == _TRUE)
rtw_set_surprise_removed(padapter);
switch (purb->status) {
case -EINVAL:
case -EPIPE:
case -ENODEV:
case -ESHUTDOWN:
case -ENOENT:
rtw_set_drv_stopped(padapter);
break;
case -EPROTO:
case -EILSEQ:
case -ETIME:
case -ECOMM:
case -EOVERFLOW:
#ifdef DBG_CONFIG_ERROR_DETECT
{
HAL_DATA_TYPE *pHalData = GET_HAL_DATA(padapter);
pHalData->srestpriv.Wifi_Error_Status = USB_READ_PORT_FAIL;
}
#endif
rtw_read_port(padapter, precvpriv->ff_hwaddr, 0, (unsigned char *)precvbuf);
break;
case -EINPROGRESS:
RTW_INFO("ERROR: URB IS IN PROGRESS!/n");
break;
default:
break;
}
}
}
u32 usb_read_port(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *rmem)
{
int err;
unsigned int pipe;
u32 ret = _SUCCESS;
PURB purb = NULL;
struct recv_buf *precvbuf = (struct recv_buf *)rmem;
_adapter *adapter = pintfhdl->padapter;
struct dvobj_priv *pdvobj = adapter_to_dvobj(adapter);
struct pwrctrl_priv *pwrctl = dvobj_to_pwrctl(pdvobj);
struct recv_priv *precvpriv = &adapter->recvpriv;
struct usb_device *pusbd = pdvobj->pusbdev;
if (RTW_CANNOT_RX(adapter) || (precvbuf == NULL)) {
return _FAIL;
}
usb_init_recvbuf(adapter, precvbuf);
if (precvbuf->pbuf) {
ATOMIC_INC(&(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 */
purb->transfer_dma = precvbuf->dma_transfer_addr;
purb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
err = usb_submit_urb(purb, GFP_ATOMIC);
if ((err) && (err != (-EPERM))) {
RTW_INFO("cannot submit rx in-token(err = 0x%08x),urb_status = %d\n", err, purb->status);
ret = _FAIL;
}
}
return ret;
}
#else /* CONFIG_USE_USB_BUFFER_ALLOC_RX */
void usb_recv_tasklet(void *priv)
{
_pkt *pskb;
_adapter *padapter = (_adapter *)priv;
struct recv_priv *precvpriv = &padapter->recvpriv;
struct recv_buf *precvbuf = NULL;
#ifdef CONFIG_USB_PROTECT_RX_CLONED_SKB
u8 cloned_skb_num;
u8 need_sche = _FALSE;
#endif
while (NULL != (pskb = skb_dequeue(&precvpriv->rx_skb_queue))) {
if (RTW_CANNOT_RUN(padapter)) {
RTW_INFO("recv_tasklet => bDriverStopped(%s) OR bSurpriseRemoved(%s)\n"
, rtw_is_drv_stopped(padapter) ? "True" : "False"
, rtw_is_surprise_removed(padapter) ? "True" : "False");
#ifdef CONFIG_PREALLOC_RX_SKB_BUFFER
if (rtw_free_skb_premem(pskb) != 0)
#endif /* CONFIG_PREALLOC_RX_SKB_BUFFER */
{
skb_reset_tail_pointer(pskb);
pskb->len = 0;
skb_queue_tail(&precvpriv->free_recv_skb_queue, pskb);
}
continue;
}
recvbuf2recvframe(padapter, pskb);
#ifdef CONFIG_USB_PROTECT_RX_CLONED_SKB
if (skb_cloned(pskb)) {
skb_queue_tail(&precvpriv->rx_cloned_skb_queue, pskb);
need_sche = _TRUE;
} else
#endif
{
skb_reset_tail_pointer(pskb);
pskb->len = 0;
skb_queue_tail(&precvpriv->free_recv_skb_queue, pskb);
precvbuf = rtw_dequeue_recvbuf(&precvpriv->recv_buf_pending_queue);
if (NULL != precvbuf) {
precvbuf->pskb = NULL;
rtw_read_port(padapter, precvpriv->ff_hwaddr, 0, (unsigned char *)precvbuf);
}
}
}
#ifdef CONFIG_USB_PROTECT_RX_CLONED_SKB
cloned_skb_num = skb_queue_len(&precvpriv->rx_cloned_skb_queue);
while (cloned_skb_num--) {
pskb = skb_dequeue(&precvpriv->rx_cloned_skb_queue);
if (skb_cloned(pskb)) {
skb_queue_tail(&precvpriv->rx_cloned_skb_queue, pskb);
need_sche = _TRUE;
} else {
skb_reset_tail_pointer(pskb);
pskb->len = 0;
skb_queue_tail(&precvpriv->free_recv_skb_queue, pskb);
precvbuf = rtw_dequeue_recvbuf(&precvpriv->recv_buf_pending_queue);
if (NULL != precvbuf) {
precvbuf->pskb = NULL;
rtw_read_port(padapter, precvpriv->ff_hwaddr, 0, (unsigned char *)precvbuf);
}
}
}
if (need_sche)
tasklet_schedule(&precvpriv->recv_tasklet);
#endif
if (RTW_CANNOT_RUN(padapter)) {
while (rtw_dequeue_recvbuf(&precvpriv->recv_buf_pending_queue));
}
}
void usb_read_port_complete(struct urb *purb, struct pt_regs *regs)
{
struct recv_buf *precvbuf = (struct recv_buf *)purb->context;
_adapter *padapter = (_adapter *)precvbuf->adapter;
struct recv_priv *precvpriv = &padapter->recvpriv;
ATOMIC_DEC(&(precvpriv->rx_pending_cnt));
if (RTW_CANNOT_RX(padapter)) {
RTW_INFO("%s() RX Warning! bDriverStopped(%s) OR bSurpriseRemoved(%s)\n"
, __func__
, rtw_is_drv_stopped(padapter) ? "True" : "False"
, rtw_is_surprise_removed(padapter) ? "True" : "False");
goto exit;
}
if (purb->status == 0) {
if ((purb->actual_length > MAX_RECVBUF_SZ) || (purb->actual_length < RXDESC_SIZE)) {
RTW_INFO("%s()-%d: urb->actual_length:%u, MAX_RECVBUF_SZ:%u, RXDESC_SIZE:%u\n"
, __FUNCTION__, __LINE__, purb->actual_length, MAX_RECVBUF_SZ, RXDESC_SIZE);
rtw_read_port(padapter, precvpriv->ff_hwaddr, 0, (unsigned char *)precvbuf);
} 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);
#ifndef CONFIG_FIX_NR_BULKIN_BUFFER
if (skb_queue_len(&precvpriv->rx_skb_queue) <= 1)
#endif
tasklet_schedule(&precvpriv->recv_tasklet);
precvbuf->pskb = NULL;
rtw_read_port(padapter, precvpriv->ff_hwaddr, 0, (unsigned char *)precvbuf);
}