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Subject[PATCH 1/7] staging: rtl8188eu: Merge hal/usb_ops_linux.c into os_dep/usb_ops_linux.c
Date
Consolidate all usb operation related functions in one file.

Signed-off-by: navin patidar <navin.patidar@gmail.com>
---
drivers/staging/rtl8188eu/Makefile | 1 -
drivers/staging/rtl8188eu/hal/usb_ops_linux.c | 665 ----------------------
drivers/staging/rtl8188eu/os_dep/usb_ops_linux.c | 642 ++++++++++++++++++++-
3 files changed, 641 insertions(+), 667 deletions(-)
delete mode 100644 drivers/staging/rtl8188eu/hal/usb_ops_linux.c

diff --git a/drivers/staging/rtl8188eu/Makefile b/drivers/staging/rtl8188eu/Makefile
index 74a032c..2745076 100644
--- a/drivers/staging/rtl8188eu/Makefile
+++ b/drivers/staging/rtl8188eu/Makefile
@@ -46,7 +46,6 @@ r8188eu-y := \
hal/rtl8188eu_recv.o \
hal/rtl8188eu_xmit.o \
hal/usb_halinit.o \
- hal/usb_ops_linux.o \
os_dep/ioctl_linux.o \
os_dep/mlme_linux.o \
os_dep/os_intfs.o \
diff --git a/drivers/staging/rtl8188eu/hal/usb_ops_linux.c b/drivers/staging/rtl8188eu/hal/usb_ops_linux.c
deleted file mode 100644
index 1002ff0..0000000
--- a/drivers/staging/rtl8188eu/hal/usb_ops_linux.c
+++ /dev/null
@@ -1,665 +0,0 @@
-/******************************************************************************
- *
- * 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 adapter *adapt, u8 request, u16 value, u16 index, void *pdata, u16 len, u8 requesttype)
-{
- 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) {
- _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;
- 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:
- mutex_unlock(&dvobjpriv->usb_vendor_req_mutex);
-exit:
- return status;
-}
-
-u8 usb_read8(struct adapter *adapter, 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(adapter, request, wvalue, index, &data, len, requesttype);
-
-
- return data;
-
-}
-
-u16 usb_read16(struct adapter *adapter, 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(adapter, request, wvalue, index, &data, len, requesttype);
-
- return (u16)(le32_to_cpu(data)&0xffff);
-}
-
-u32 usb_read32(struct adapter *adapter, 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(adapter, request, wvalue, index, &data, len, requesttype);
-
-
- return le32_to_cpu(data);
-}
-
-int usb_write8(struct adapter *adapter, 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(adapter, request, wvalue, index, &data, len, requesttype);
- return ret;
-}
-
-int usb_write16(struct adapter *adapter, 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(adapter, request, wvalue, index, &data, len, requesttype);
-
-
- return ret;
-}
-
-int usb_write32(struct adapter *adapter, 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(adapter, request, wvalue, index, &data, len, requesttype);
-
-
- return ret;
-}
-
-int usb_writeN(struct adapter *adapter, 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(adapter, request, wvalue, index, buf, len, requesttype);
-
-
- return RTW_STATUS_CODE(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;
- }
-
- _rtw_init_listhead(&precvframe->list);
- 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;
- usb_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));
-
- 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;
- usb_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"));
- 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;
- usb_read_port(adapt, precvpriv->ff_hwaddr, 0, (unsigned char *)precvbuf);
- break;
- case -EINPROGRESS:
- DBG_88E("ERROR: URB IS IN PROGRESS!\n");
- break;
- default:
- break;
- }
- }
-}
-
-u32 usb_read_port(struct adapter *adapter, u32 addr, u32 cnt, u8 *rmem)
-{
- struct urb *purb = NULL;
- struct recv_buf *precvbuf = (struct recv_buf *)rmem;
- 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;
- }
-
- /* 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));
- } else { /* reuse skb */
- 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->pskb->data,
- 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;
- }
-}
-
diff --git a/drivers/staging/rtl8188eu/os_dep/usb_ops_linux.c b/drivers/staging/rtl8188eu/os_dep/usb_ops_linux.c
index 92c42e4..7563188 100644
--- a/drivers/staging/rtl8188eu/os_dep/usb_ops_linux.c
+++ b/drivers/staging/rtl8188eu/os_dep/usb_ops_linux.c
@@ -19,9 +19,198 @@
#define _USB_OPS_LINUX_C_

#include <drv_types.h>
-#include <usb_ops_linux.h>
+#include <usb_ops.h>
+#include <recv_osdep.h>
#include <rtw_sreset.h>

+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;
+ }
+
+ _rtw_init_listhead(&precvframe->list);
+ 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;
+}
+
unsigned int ffaddr2pipehdl(struct dvobj_priv *pdvobj, u32 addr)
{
unsigned int pipe = 0, ep_num = 0;
@@ -39,6 +228,316 @@ unsigned int ffaddr2pipehdl(struct dvobj_priv *pdvobj, u32 addr)
return pipe;
}

+static int usbctrl_vendorreq(struct adapter *adapt, u8 request, u16 value, u16 index, void *pdata, u16 len, u8 requesttype)
+{
+ 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) {
+ _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;
+ 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:
+ mutex_unlock(&dvobjpriv->usb_vendor_req_mutex);
+exit:
+ return status;
+}
+
+u8 usb_read8(struct adapter *adapter, 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(adapter, request, wvalue, index, &data, len, requesttype);
+
+
+ return data;
+
+}
+
+u16 usb_read16(struct adapter *adapter, 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(adapter, request, wvalue, index, &data, len, requesttype);
+
+ return (u16)(le32_to_cpu(data)&0xffff);
+}
+
+u32 usb_read32(struct adapter *adapter, 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(adapter, request, wvalue, index, &data, len, requesttype);
+
+
+ return le32_to_cpu(data);
+}
+
+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;
+ usb_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));
+
+ 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;
+ usb_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"));
+ 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;
+ usb_read_port(adapt, precvpriv->ff_hwaddr, 0, (unsigned char *)precvbuf);
+ break;
+ case -EINPROGRESS:
+ DBG_88E("ERROR: URB IS IN PROGRESS!\n");
+ break;
+ default:
+ break;
+ }
+ }
+}
+
+u32 usb_read_port(struct adapter *adapter, u32 addr, u32 cnt, u8 *rmem)
+{
+ struct urb *purb = NULL;
+ struct recv_buf *precvbuf = (struct recv_buf *)rmem;
+ 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;
+ }
+
+ /* 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));
+ } else { /* reuse skb */
+ 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->pskb->data,
+ 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 usb_read_port_cancel(struct adapter *padapter)
{
int i;
@@ -57,6 +556,104 @@ void usb_read_port_cancel(struct adapter *padapter)
}
}

+int usb_write8(struct adapter *adapter, 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(adapter, request, wvalue, index, &data, len, requesttype);
+ return ret;
+}
+
+int usb_write16(struct adapter *adapter, 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(adapter, request, wvalue, index, &data, len, requesttype);
+
+
+ return ret;
+}
+
+int usb_write32(struct adapter *adapter, 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(adapter, request, wvalue, index, &data, len, requesttype);
+
+
+ return ret;
+}
+
+int usb_writeN(struct adapter *adapter, 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(adapter, request, wvalue, index, buf, len, requesttype);
+
+
+ return RTW_STATUS_CODE(ret);
+}
+
+
+
static void usb_write_port_complete(struct urb *purb, struct pt_regs *regs)
{
struct xmit_buf *pxmitbuf = (struct xmit_buf *)purb->context;
@@ -254,3 +851,46 @@ void usb_write_port_cancel(struct adapter *padapter)
pxmitbuf++;
}
}
+
+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);
+ }
+}
+
+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;
+ }
+}
--
1.7.10.4


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