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cos / third_party / kernel / refs/tags/v2.6.36-rc3 / . / drivers / staging / otus / wwrap.c
blob: fcd3da07155bf57484dd37f588f43eb94e28b5dc [file] [log] [blame]
/*
* Copyright (c) 2007-2008 Atheros Communications Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/* Module Name : wwrap.c */
/* Abstract */
/* This module contains wrapper functions. */
/* */
/* NOTES */
/* Platform dependent. */
/* */
/* Please include your header files here */
#include "oal_dt.h"
#include "usbdrv.h"
#include <linux/netlink.h>
#include <linux/slab.h>
#include <net/iw_handler.h>
extern void zfiRecv80211(zdev_t *dev, zbuf_t *buf, struct zsAdditionInfo *addInfo);
extern void zfCoreRecv(zdev_t *dev, zbuf_t *buf, struct zsAdditionInfo *addInfo);
extern void zfIdlChkRsp(zdev_t *dev, u32_t *rsp, u16_t rspLen);
extern void zfIdlRsp(zdev_t *dev, u32_t *rsp, u16_t rspLen);
/*extern struct zsWdsStruct wds[ZM_WDS_PORT_NUMBER];*/
extern struct zsVapStruct vap[ZM_VAP_PORT_NUMBER];
u32_t zfLnxUsbSubmitTxData(zdev_t *dev);
u32_t zfLnxUsbIn(zdev_t *dev, urb_t *urb, zbuf_t *buf);
u32_t zfLnxSubmitRegInUrb(zdev_t *dev);
u32_t zfLnxUsbSubmitBulkUrb(urb_t *urb, struct usb_device *usb, u16_t epnum, u16_t direction,
void *transfer_buffer, int buffer_length, usb_complete_t complete, void *context);
u32_t zfLnxUsbSubmitIntUrb(urb_t *urb, struct usb_device *usb, u16_t epnum, u16_t direction,
void *transfer_buffer, int buffer_length, usb_complete_t complete, void *context,
u32_t interval);
u16_t zfLnxGetFreeTxUrb(zdev_t *dev)
{
struct usbdrv_private *macp = dev->ml_priv;
u16_t idx;
unsigned long irqFlag;
spin_lock_irqsave(&macp->cs_lock, irqFlag);
/*idx = ((macp->TxUrbTail + 1) & (ZM_MAX_TX_URB_NUM - 1));*/
/*if (idx != macp->TxUrbHead)*/
if (macp->TxUrbCnt != 0) {
idx = macp->TxUrbTail;
macp->TxUrbTail = ((macp->TxUrbTail + 1) & (ZM_MAX_TX_URB_NUM - 1));
macp->TxUrbCnt--;
} else {
/*printk(KERN_ERR "macp->TxUrbCnt: %d\n", macp->TxUrbCnt);*/
idx = 0xffff;
}
spin_unlock_irqrestore(&macp->cs_lock, irqFlag);
return idx;
}
void zfLnxPutTxUrb(zdev_t *dev)
{
struct usbdrv_private *macp = dev->ml_priv;
u16_t idx;
unsigned long irqFlag;
spin_lock_irqsave(&macp->cs_lock, irqFlag);
idx = ((macp->TxUrbHead + 1) & (ZM_MAX_TX_URB_NUM - 1));
/*if (idx != macp->TxUrbTail)*/
if (macp->TxUrbCnt < ZM_MAX_TX_URB_NUM) {
macp->TxUrbHead = idx;
macp->TxUrbCnt++;
} else {
printk("UsbTxUrbQ inconsistent: TxUrbHead: %d, TxUrbTail: %d\n",
macp->TxUrbHead, macp->TxUrbTail);
}
spin_unlock_irqrestore(&macp->cs_lock, irqFlag);
}
u16_t zfLnxCheckTxBufferCnt(zdev_t *dev)
{
struct usbdrv_private *macp = dev->ml_priv;
u16_t TxBufCnt;
unsigned long irqFlag;
spin_lock_irqsave(&macp->cs_lock, irqFlag);
TxBufCnt = macp->TxBufCnt;
spin_unlock_irqrestore(&macp->cs_lock, irqFlag);
return TxBufCnt;
}
UsbTxQ_t *zfLnxGetUsbTxBuffer(zdev_t *dev)
{
struct usbdrv_private *macp = dev->ml_priv;
u16_t idx;
UsbTxQ_t *TxQ;
unsigned long irqFlag;
spin_lock_irqsave(&macp->cs_lock, irqFlag);
idx = ((macp->TxBufHead+1) & (ZM_MAX_TX_BUF_NUM - 1));
/*if (idx != macp->TxBufTail)*/
if (macp->TxBufCnt > 0) {
/*printk("CWY - zfwGetUsbTxBuffer ,macp->TxBufCnt = %d\n", macp->TxBufCnt);*/
TxQ = (UsbTxQ_t *)&(macp->UsbTxBufQ[macp->TxBufHead]);
macp->TxBufHead = ((macp->TxBufHead+1) & (ZM_MAX_TX_BUF_NUM - 1));
macp->TxBufCnt--;
} else {
if (macp->TxBufHead != macp->TxBufTail) {
printk(KERN_ERR "zfwGetUsbTxBuf UsbTxBufQ inconsistent: TxBufHead: %d, TxBufTail: %d\n",
macp->TxBufHead, macp->TxBufTail);
}
spin_unlock_irqrestore(&macp->cs_lock, irqFlag);
return NULL;
}
spin_unlock_irqrestore(&macp->cs_lock, irqFlag);
return TxQ;
}
u16_t zfLnxPutUsbTxBuffer(zdev_t *dev, u8_t *hdr, u16_t hdrlen,
u8_t *snap, u16_t snapLen, u8_t *tail, u16_t tailLen,
zbuf_t *buf, u16_t offset)
{
struct usbdrv_private *macp = dev->ml_priv;
u16_t idx;
UsbTxQ_t *TxQ;
unsigned long irqFlag;
spin_lock_irqsave(&macp->cs_lock, irqFlag);
idx = ((macp->TxBufTail+1) & (ZM_MAX_TX_BUF_NUM - 1));
/* For Tx debug */
/*zm_assert(macp->TxBufCnt >= 0); // deleted because of always true*/
/*if (idx != macp->TxBufHead)*/
if (macp->TxBufCnt < ZM_MAX_TX_BUF_NUM) {
/*printk("CWY - zfwPutUsbTxBuffer ,macp->TxBufCnt = %d\n", macp->TxBufCnt);*/
TxQ = (UsbTxQ_t *)&(macp->UsbTxBufQ[macp->TxBufTail]);
memcpy(TxQ->hdr, hdr, hdrlen);
TxQ->hdrlen = hdrlen;
memcpy(TxQ->snap, snap, snapLen);
TxQ->snapLen = snapLen;
memcpy(TxQ->tail, tail, tailLen);
TxQ->tailLen = tailLen;
TxQ->buf = buf;
TxQ->offset = offset;
macp->TxBufTail = ((macp->TxBufTail+1) & (ZM_MAX_TX_BUF_NUM - 1));
macp->TxBufCnt++;
} else {
printk(KERN_ERR "zfLnxPutUsbTxBuffer UsbTxBufQ inconsistent: TxBufHead: %d, TxBufTail: %d, TxBufCnt: %d\n",
macp->TxBufHead, macp->TxBufTail, macp->TxBufCnt);
spin_unlock_irqrestore(&macp->cs_lock, irqFlag);
return 0xffff;
}
spin_unlock_irqrestore(&macp->cs_lock, irqFlag);
return 0;
}
zbuf_t *zfLnxGetUsbRxBuffer(zdev_t *dev)
{
struct usbdrv_private *macp = dev->ml_priv;
/*u16_t idx;*/
zbuf_t *buf;
unsigned long irqFlag;
spin_lock_irqsave(&macp->cs_lock, irqFlag);
/*idx = ((macp->RxBufHead+1) & (ZM_MAX_RX_URB_NUM - 1));*/
/*if (idx != macp->RxBufTail)*/
if (macp->RxBufCnt != 0) {
buf = macp->UsbRxBufQ[macp->RxBufHead];
macp->RxBufHead = ((macp->RxBufHead+1) & (ZM_MAX_RX_URB_NUM - 1));
macp->RxBufCnt--;
} else {
printk("RxBufQ inconsistent: RxBufHead: %d, RxBufTail: %d\n",
macp->RxBufHead, macp->RxBufTail);
spin_unlock_irqrestore(&macp->cs_lock, irqFlag);
return NULL;
}
spin_unlock_irqrestore(&macp->cs_lock, irqFlag);
return buf;
}
u32_t zfLnxPutUsbRxBuffer(zdev_t *dev, zbuf_t *buf)
{
struct usbdrv_private *macp = dev->ml_priv;
u16_t idx;
unsigned long irqFlag;
spin_lock_irqsave(&macp->cs_lock, irqFlag);
idx = ((macp->RxBufTail+1) & (ZM_MAX_RX_URB_NUM - 1));
/*if (idx != macp->RxBufHead)*/
if (macp->RxBufCnt != ZM_MAX_RX_URB_NUM) {
macp->UsbRxBufQ[macp->RxBufTail] = buf;
macp->RxBufTail = idx;
macp->RxBufCnt++;
} else {
printk("RxBufQ inconsistent: RxBufHead: %d, RxBufTail: %d\n",
macp->RxBufHead, macp->RxBufTail);
spin_unlock_irqrestore(&macp->cs_lock, irqFlag);
return 0xffff;
}
spin_unlock_irqrestore(&macp->cs_lock, irqFlag);
return 0;
}
void zfLnxUsbDataOut_callback(urb_t *urb)
{
zdev_t *dev = urb->context;
/*UsbTxQ_t *TxData;*/
/* Give the urb back */
zfLnxPutTxUrb(dev);
/* Check whether there is any pending buffer needed */
/* to be sent */
if (zfLnxCheckTxBufferCnt(dev) != 0) {
/*TxData = zfwGetUsbTxBuffer(dev);
//if (TxData == NULL)
//{
// printk("Get a NULL buffer from zfwGetUsbTxBuffer\n");
// return;
//}
//else
//{
zfLnxUsbSubmitTxData(dev);
//}*/
}
}
void zfLnxUsbDataIn_callback(urb_t *urb)
{
zdev_t *dev = urb->context;
struct usbdrv_private *macp = dev->ml_priv;
zbuf_t *buf;
zbuf_t *new_buf;
int status;
#if ZM_USB_STREAM_MODE == 1
static int remain_len, check_pad, check_len;
int index = 0;
int chk_idx;
u16_t pkt_len;
u16_t pkt_tag;
u16_t ii;
zbuf_t *rxBufPool[8];
u16_t rxBufPoolIndex = 0;
#endif
/* Check status for URB */
if (urb->status != 0) {
printk("zfLnxUsbDataIn_callback() : status=0x%x\n", urb->status);
if ((urb->status != -ENOENT) && (urb->status != -ECONNRESET)
&& (urb->status != -ESHUTDOWN)) {
if (urb->status == -EPIPE) {
/*printk(KERN_ERR "nonzero read bulk status received: -EPIPE");*/
status = -1;
}
if (urb->status == -EPROTO) {
/*printk(KERN_ERR "nonzero read bulk status received: -EPROTO");*/
status = -1;
}
}
/*printk(KERN_ERR "urb->status: 0x%08x\n", urb->status);*/
/* Dequeue skb buffer */
buf = zfLnxGetUsbRxBuffer(dev);
dev_kfree_skb_any(buf);
#if 0
/* Enqueue skb buffer */
zfLnxPutUsbRxBuffer(dev, buf);
/* Submit a Rx urb */
zfLnxUsbIn(dev, urb, buf);
#endif
return;
}
if (urb->actual_length == 0) {
printk(KERN_ERR "Get an URB whose length is zero");
status = -1;
}
/* Dequeue skb buffer */
buf = zfLnxGetUsbRxBuffer(dev);
/*zfwBufSetSize(dev, buf, urb->actual_length);*/
#ifdef NET_SKBUFF_DATA_USES_OFFSET
buf->tail = 0;
buf->len = 0;
#else
buf->tail = buf->data;
buf->len = 0;
#endif
BUG_ON((buf->tail + urb->actual_length) > buf->end);
skb_put(buf, urb->actual_length);
#if ZM_USB_STREAM_MODE == 1
if (remain_len != 0) {
zbuf_t *remain_buf = macp->reamin_buf;
index = remain_len;
remain_len -= check_pad;
/* Copy data */
memcpy(&(remain_buf->data[check_len]), buf->data, remain_len);
check_len += remain_len;
remain_len = 0;
rxBufPool[rxBufPoolIndex++] = remain_buf;
}
while (index < urb->actual_length) {
pkt_len = buf->data[index] + (buf->data[index+1] << 8);
pkt_tag = buf->data[index+2] + (buf->data[index+3] << 8);
if (pkt_tag == 0x4e00) {
int pad_len;
/*printk("Get a packet, index: %d, pkt_len: 0x%04x\n", index, pkt_len);*/
#if 0
/* Dump data */
for (ii = index; ii < pkt_len+4;) {
printk("%02x ", (buf->data[ii] & 0xff));
if ((++ii % 16) == 0)
printk("\n");
}
printk("\n");
#endif
pad_len = 4 - (pkt_len & 0x3);
if (pad_len == 4)
pad_len = 0;
chk_idx = index;
index = index + 4 + pkt_len + pad_len;
if (index > ZM_MAX_RX_BUFFER_SIZE) {
remain_len = index - ZM_MAX_RX_BUFFER_SIZE; /* - pad_len;*/
check_len = ZM_MAX_RX_BUFFER_SIZE - chk_idx - 4;
check_pad = pad_len;
/* Allocate a skb buffer */
/*new_buf = zfwBufAllocate(dev, ZM_MAX_RX_BUFFER_SIZE);*/
new_buf = dev_alloc_skb(ZM_MAX_RX_BUFFER_SIZE);
/* Set skb buffer length */
#ifdef NET_SKBUFF_DATA_USES_OFFSET
new_buf->tail = 0;
new_buf->len = 0;
#else
new_buf->tail = new_buf->data;
new_buf->len = 0;
#endif
skb_put(new_buf, pkt_len);
/* Copy the buffer */
memcpy(new_buf->data, &(buf->data[chk_idx+4]), check_len);
/* Record the buffer pointer */
macp->reamin_buf = new_buf;
} else {
#ifdef ZM_DONT_COPY_RX_BUFFER
if (rxBufPoolIndex == 0) {
new_buf = skb_clone(buf, GFP_ATOMIC);
new_buf->data = &(buf->data[chk_idx+4]);
new_buf->len = pkt_len;
} else {
#endif
/* Allocate a skb buffer */
new_buf = dev_alloc_skb(ZM_MAX_RX_BUFFER_SIZE);
/* Set skb buffer length */
#ifdef NET_SKBUFF_DATA_USES_OFFSET
new_buf->tail = 0;
new_buf->len = 0;
#else
new_buf->tail = new_buf->data;
new_buf->len = 0;
#endif
skb_put(new_buf, pkt_len);
/* Copy the buffer */
memcpy(new_buf->data, &(buf->data[chk_idx+4]), pkt_len);
#ifdef ZM_DONT_COPY_RX_BUFFER
}
#endif
rxBufPool[rxBufPoolIndex++] = new_buf;
}
} else {
printk(KERN_ERR "Can't find tag, pkt_len: 0x%04x, tag: 0x%04x\n", pkt_len, pkt_tag);
/* Free buffer */
dev_kfree_skb_any(buf);
/* Allocate a skb buffer */
new_buf = dev_alloc_skb(ZM_MAX_RX_BUFFER_SIZE);
/* Enqueue skb buffer */
zfLnxPutUsbRxBuffer(dev, new_buf);
/* Submit a Rx urb */
zfLnxUsbIn(dev, urb, new_buf);
return;
}
}
/* Free buffer */
dev_kfree_skb_any(buf);
#endif
/* Allocate a skb buffer */
new_buf = dev_alloc_skb(ZM_MAX_RX_BUFFER_SIZE);
/* Enqueue skb buffer */
zfLnxPutUsbRxBuffer(dev, new_buf);
/* Submit a Rx urb */
zfLnxUsbIn(dev, urb, new_buf);
#if ZM_USB_STREAM_MODE == 1
for (ii = 0; ii < rxBufPoolIndex; ii++) {
macp->usbCbFunctions.zfcbUsbRecv(dev, rxBufPool[ii]);
}
#else
/* pass data to upper layer */
macp->usbCbFunctions.zfcbUsbRecv(dev, buf);
#endif
}
void zfLnxUsbRegOut_callback(urb_t *urb)
{
/*dev_t* dev = urb->context;*/
/*printk(KERN_ERR "zfwUsbRegOut_callback\n");*/
}
void zfLnxUsbRegIn_callback(urb_t *urb)
{
zdev_t *dev = urb->context;
u32_t rsp[64/4];
int status;
struct usbdrv_private *macp = dev->ml_priv;
/* Check status for URB */
if (urb->status != 0) {
printk("zfLnxUsbRegIn_callback() : status=0x%x\n", urb->status);
if ((urb->status != -ENOENT) && (urb->status != -ECONNRESET) && (urb->status != -ESHUTDOWN)) {
if (urb->status == -EPIPE) {
/*printk(KERN_ERR "nonzero read bulk status received: -EPIPE");*/
status = -1;
}
if (urb->status == -EPROTO) {
/*printk(KERN_ERR "nonzero read bulk status received: -EPROTO");*/
status = -1;
}
}
/*printk(KERN_ERR "urb->status: 0x%08x\n", urb->status);*/
return;
}
if (urb->actual_length == 0) {
printk(KERN_ERR "Get an URB whose length is zero");
status = -1;
}
/* Copy data into respone buffer */
memcpy(rsp, macp->regUsbReadBuf, urb->actual_length);
/* Notify to upper layer */
/*zfIdlChkRsp(dev, rsp, (u16_t)urb->actual_length);*/
/*zfiUsbRegIn(dev, rsp, (u16_t)urb->actual_length);*/
macp->usbCbFunctions.zfcbUsbRegIn(dev, rsp, (u16_t)urb->actual_length);
/* Issue another USB IN URB */
zfLnxSubmitRegInUrb(dev);
}
u32_t zfLnxSubmitRegInUrb(zdev_t *dev)
{
u32_t ret;
struct usbdrv_private *macp = dev->ml_priv;
/* Submit a rx urb
//ret = zfLnxUsbSubmitBulkUrb(macp->RegInUrb, macp->udev,
// USB_REG_IN_PIPE, USB_DIR_IN, macp->regUsbReadBuf,
// ZM_USB_REG_MAX_BUF_SIZE, zfLnxUsbRegIn_callback, dev);
//CWYang(-)
//if (ret != 0)
// printk("zfwUsbSubmitBulkUrb fail, status: 0x%08x\n", (int)ret);*/
ret = zfLnxUsbSubmitIntUrb(macp->RegInUrb, macp->udev,
USB_REG_IN_PIPE, USB_DIR_IN, macp->regUsbReadBuf,
ZM_USB_REG_MAX_BUF_SIZE, zfLnxUsbRegIn_callback, dev, 1);
return ret;
}
u32_t zfLnxUsbSubmitTxData(zdev_t *dev)
{
u32_t i;
u32_t ret;
u16_t freeTxUrb;
u8_t *puTxBuf = NULL;
UsbTxQ_t *TxData;
int len = 0;
struct usbdrv_private *macp = dev->ml_priv;
#if ZM_USB_TX_STREAM_MODE == 1
u8_t ii;
u16_t offset = 0;
u16_t usbTxAggCnt;
u16_t *pUsbTxHdr;
UsbTxQ_t *TxQPool[ZM_MAX_TX_AGGREGATE_NUM];
#endif
/* First check whether there is a free URB */
freeTxUrb = zfLnxGetFreeTxUrb(dev);
/* If there is no any free Tx Urb */
if (freeTxUrb == 0xffff) {
/*printk(KERN_ERR "Can't get free Tx Urb\n");
//printk("CWY - Can't get free Tx Urb\n");*/
return 0xffff;
}
#if ZM_USB_TX_STREAM_MODE == 1
usbTxAggCnt = zfLnxCheckTxBufferCnt(dev);
if (usbTxAggCnt >= ZM_MAX_TX_AGGREGATE_NUM) {
usbTxAggCnt = ZM_MAX_TX_AGGREGATE_NUM;
} else {
usbTxAggCnt = 1;
}
/*printk("usbTxAggCnt: %d\n", usbTxAggCnt);*/
#endif
#if ZM_USB_TX_STREAM_MODE == 1
for (ii = 0; ii < usbTxAggCnt; ii++) {
#endif
/* Dequeue the packet from UsbTxBufQ */
TxData = zfLnxGetUsbTxBuffer(dev);
if (TxData == NULL) {
/* Give the urb back */
zfLnxPutTxUrb(dev);
return 0xffff;
}
/* Point to the freeTxUrb buffer */
puTxBuf = macp->txUsbBuf[freeTxUrb];
#if ZM_USB_TX_STREAM_MODE == 1
puTxBuf += offset;
pUsbTxHdr = (u16_t *)puTxBuf;
/* Add the packet length and tag information */
*pUsbTxHdr++ = TxData->hdrlen + TxData->snapLen +
(TxData->buf->len - TxData->offset) + TxData->tailLen;
*pUsbTxHdr++ = 0x697e;
puTxBuf += 4;
#endif /* #ifdef ZM_USB_TX_STREAM_MODE*/
/* Copy WLAN header and packet buffer into USB buffer */
for (i = 0; i < TxData->hdrlen; i++) {
*puTxBuf++ = TxData->hdr[i];
}
/* Copy SNAP header */
for (i = 0; i < TxData->snapLen; i++) {
*puTxBuf++ = TxData->snap[i];
}
/* Copy packet buffer */
for (i = 0; i < TxData->buf->len - TxData->offset; i++) {
/*puTxBuf++ = zmw_rx_buf_readb(dev, TxData->buf, i);*/
*puTxBuf++ = *(u8_t *)((u8_t *)TxData->buf->data+i+TxData->offset);
}
/* Copy tail */
for (i = 0; i < TxData->tailLen; i++) {
*puTxBuf++ = TxData->tail[i];
}
len = TxData->hdrlen+TxData->snapLen+TxData->buf->len+TxData->tailLen-TxData->offset;
#if 0
if (TxData->hdrlen != 0) {
puTxBuf = macp->txUsbBuf[freeTxUrb];
for (i = 0; i < len; i++) {
printk("%02x ", puTxBuf[i]);
if (i % 16 == 15)
printk("\n");
}
printk("\n");
}
#endif
#if 0
/* For debug purpose */
if (TxData->hdr[9] & 0x40) {
int i;
u16_t ctrlLen = TxData->hdr[0] + (TxData->hdr[1] << 8);
if (ctrlLen != len + 4) {
/* Dump control setting */
for (i = 0; i < 8; i++) {
printk(KERN_ERR "0x%02x ", TxData->hdr[i]);
}
printk(KERN_ERR "\n");
printk(KERN_ERR "ctrLen: %d, hdrLen: %d, snapLen: %d\n", ctrlLen, TxData->hdrlen, TxData->snapLen);
printk(KERN_ERR "bufLen: %d, tailLen: %d, len: %d\n", TxData->buf->len, TxData->tailLen, len);
}
}
#endif
#if ZM_USB_TX_STREAM_MODE == 1
/* Add the Length and Tag*/
len += 4;
/*printk("%d packet, length: %d\n", ii+1, len);*/
if (ii < (ZM_MAX_TX_AGGREGATE_NUM-1)) {
/* Pad the buffer to firmware descriptor boundary */
offset += (((len-1) / 4) + 1) * 4;
}
if (ii == (ZM_MAX_TX_AGGREGATE_NUM-1)) {
len += offset;
}
TxQPool[ii] = TxData;
/*DbgPrint("%d packet, offset: %d\n", ii+1, pUsbTxTransfer->offset);*/
/* free packet */
/*zfBufFree(dev, txData->buf);*/
}
#endif
/*printk("CWY - call zfwUsbSubmitBulkUrb(), len = 0x%d\n", len);*/
/* Submit a tx urb */
ret = zfLnxUsbSubmitBulkUrb(macp->WlanTxDataUrb[freeTxUrb], macp->udev,
USB_WLAN_TX_PIPE, USB_DIR_OUT, macp->txUsbBuf[freeTxUrb],
len, zfLnxUsbDataOut_callback, dev);
/*CWYang(-)
//if (ret != 0)
// printk("zfwUsbSubmitBulkUrb fail, status: 0x%08x\n", (int)ret);*/
/* free packet */
/*dev_kfree_skb_any(TxData->buf);*/
#if ZM_USB_TX_STREAM_MODE == 1
for (ii = 0; ii < usbTxAggCnt; ii++)
macp->usbCbFunctions.zfcbUsbOutComplete(dev, TxQPool[ii]->buf, 1, TxQPool[ii]->hdr);
#else
macp->usbCbFunctions.zfcbUsbOutComplete(dev, TxData->buf, 1, TxData->hdr);
#endif
return ret;
}
u32_t zfLnxUsbIn(zdev_t *dev, urb_t *urb, zbuf_t *buf)
{
u32_t ret;
struct usbdrv_private *macp = dev->ml_priv;
/* Submit a rx urb */
ret = zfLnxUsbSubmitBulkUrb(urb, macp->udev, USB_WLAN_RX_PIPE,
USB_DIR_IN, buf->data, ZM_MAX_RX_BUFFER_SIZE,
zfLnxUsbDataIn_callback, dev);
/*CWYang(-)
//if (ret != 0)
// printk("zfwUsbSubmitBulkUrb fail, status: 0x%08x\n", (int)ret);*/
return ret;
}
u32_t zfLnxUsbWriteReg(zdev_t *dev, u32_t *cmd, u16_t cmdLen)
{
struct usbdrv_private *macp = dev->ml_priv;
u32_t ret;
#ifdef ZM_CONFIG_BIG_ENDIAN
int ii = 0;
for (ii = 0; ii < (cmdLen>>2); ii++)
cmd[ii] = cpu_to_le32(cmd[ii]);
#endif
memcpy(macp->regUsbWriteBuf, cmd, cmdLen);
/* Issue an USB Out transfer */
/* Submit a tx urb */
ret = zfLnxUsbSubmitIntUrb(macp->RegOutUrb, macp->udev,
USB_REG_OUT_PIPE, USB_DIR_OUT, macp->regUsbWriteBuf,
cmdLen, zfLnxUsbRegOut_callback, dev, 1);
return ret;
}
u32_t zfLnxUsbOut(zdev_t *dev, u8_t *hdr, u16_t hdrlen, u8_t *snap, u16_t snapLen,
u8_t *tail, u16_t tailLen, zbuf_t *buf, u16_t offset)
{
u32_t ret;
struct usbdrv_private *macp = dev->ml_priv;
/* Check length of tail buffer */
/*zm_assert((tailLen <= 16));*/
/* Enqueue the packet into UsbTxBufQ */
if (zfLnxPutUsbTxBuffer(dev, hdr, hdrlen, snap, snapLen, tail, tailLen, buf, offset) == 0xffff) {
/* free packet */
/*printk("CWY - zfwPutUsbTxBuffer Error, free packet\n");
//dev_kfree_skb_any(buf);*/
macp->usbCbFunctions.zfcbUsbOutComplete(dev, buf, 0, hdr);
return 0xffff;
}
/*return 0;
//printk("CWY - call zfwUsbSubmitTxData()\n");*/
ret = zfLnxUsbSubmitTxData(dev);
return ret;
}
void zfLnxInitUsbTxQ(zdev_t *dev)
{
struct usbdrv_private *macp = dev->ml_priv;
printk(KERN_ERR "zfwInitUsbTxQ\n");
/* Zero memory for UsbTxBufQ */
memset(macp->UsbTxBufQ, 0, sizeof(UsbTxQ_t) * ZM_MAX_TX_URB_NUM);
macp->TxBufHead = 0;
macp->TxBufTail = 0;
macp->TxUrbHead = 0;
macp->TxUrbTail = 0;
macp->TxUrbCnt = ZM_MAX_TX_URB_NUM;
}
void zfLnxInitUsbRxQ(zdev_t *dev)
{
u16_t i;
zbuf_t *buf;
struct usbdrv_private *macp = dev->ml_priv;
/* Zero memory for UsbRxBufQ */
memset(macp->UsbRxBufQ, 0, sizeof(zbuf_t *) * ZM_MAX_RX_URB_NUM);
macp->RxBufHead = 0;
for (i = 0; i < ZM_MAX_RX_URB_NUM; i++) {
/*buf = zfwBufAllocate(dev, ZM_MAX_RX_BUFFER_SIZE);*/
buf = dev_alloc_skb(ZM_MAX_RX_BUFFER_SIZE);
macp->UsbRxBufQ[i] = buf;
}
/*macp->RxBufTail = ZM_MAX_RX_URB_NUM - 1;*/
macp->RxBufTail = 0;
/* Submit all Rx urbs */
for (i = 0; i < ZM_MAX_RX_URB_NUM; i++) {
zfLnxPutUsbRxBuffer(dev, macp->UsbRxBufQ[i]);
zfLnxUsbIn(dev, macp->WlanRxDataUrb[i], macp->UsbRxBufQ[i]);
}
}
u32_t zfLnxUsbSubmitBulkUrb(urb_t *urb, struct usb_device *usb, u16_t epnum, u16_t direction,
void *transfer_buffer, int buffer_length, usb_complete_t complete, void *context)
{
u32_t ret;
if (direction == USB_DIR_OUT) {
usb_fill_bulk_urb(urb, usb, usb_sndbulkpipe(usb, epnum),
transfer_buffer, buffer_length, complete, context);
urb->transfer_flags |= URB_ZERO_PACKET;
} else {
usb_fill_bulk_urb(urb, usb, usb_rcvbulkpipe(usb, epnum),
transfer_buffer, buffer_length, complete, context);
}
if (epnum == 4) {
if (urb->hcpriv) {
/*printk("CWY - urb->hcpriv set by unknown reason, reset it\n");
//urb->hcpriv = 0;*/
}
}
ret = usb_submit_urb(urb, GFP_ATOMIC);
if ((epnum == 4) & (ret != 0)) {
/*printk("CWY - ret = %x\n", ret);*/
}
return ret;
}
u32_t zfLnxUsbSubmitIntUrb(urb_t *urb, struct usb_device *usb, u16_t epnum, u16_t direction,
void *transfer_buffer, int buffer_length, usb_complete_t complete, void *context,
u32_t interval)
{
u32_t ret;
if (direction == USB_DIR_OUT) {
usb_fill_int_urb(urb, usb, usb_sndbulkpipe(usb, epnum),
transfer_buffer, buffer_length, complete, context, interval);
} else {
usb_fill_int_urb(urb, usb, usb_rcvbulkpipe(usb, epnum),
transfer_buffer, buffer_length, complete, context, interval);
}
ret = usb_submit_urb(urb, GFP_ATOMIC);
return ret;
}
#ifdef ZM_ENABLE_CENC
int zfLnxCencSendMsg(struct sock *netlink_sk, u_int8_t *msg, int len)
{
#define COMMTYPE_GROUP 8
#define WAI_K_MSG 0x11
int ret = -1;
int size;
unsigned char *old_tail;
struct sk_buff *skb;
struct nlmsghdr *nlh;
char *pos = NULL;
size = NLMSG_SPACE(len);
skb = alloc_skb(size, GFP_ATOMIC);
if (skb == NULL) {
printk("dev_alloc_skb failure \n");
goto out;
}
old_tail = skb->tail;
/* */
nlh = NLMSG_PUT(skb, 0, 0, WAI_K_MSG, size-sizeof(*nlh));
pos = NLMSG_DATA(nlh);
/* */
memcpy(pos, msg, len);
/* */
nlh->nlmsg_len = skb->tail - old_tail;
NETLINK_CB(skb).dst_group = COMMTYPE_GROUP;
netlink_broadcast(netlink_sk, skb, 0, COMMTYPE_GROUP, GFP_ATOMIC);
ret = 0;
out:
return ret;
nlmsg_failure: /* */
kfree_skb(skb);
goto out;
#undef COMMTYPE_GROUP
#undef WAI_K_MSG
}
#endif /*ZM_ENABLE_CENC*/
/* Simply return 0xffff if VAP function is not supported */
u16_t zfLnxGetVapId(zdev_t *dev)
{
u16_t i;
for (i = 0; i < ZM_VAP_PORT_NUMBER; i++) {
if (vap[i].dev == dev) {
return i;
}
}
return 0xffff;
}
u32_t zfwReadReg(zdev_t *dev, u32_t offset)
{
return 0;
}
#ifndef INIT_WORK
#define work_struct tq_struct
#define schedule_work(a) schedule_task(a)
#define flush_scheduled_work flush_scheduled_tasks
#define INIT_WORK(_wq, _routine, _data) INIT_TQUEUE(_wq, _routine, _data)
#define PREPARE_WORK(_wq, _routine, _data) PREPARE_TQUEUE(_wq, _routine, _data)
#endif
#define KEVENT_WATCHDOG 0x00000001
u32_t smp_kevent_Lock = 0;
void kevent(struct work_struct *work)
{
struct usbdrv_private *macp =
container_of(work, struct usbdrv_private, kevent);
zdev_t *dev = macp->device;
if (test_and_set_bit(0, (void *)&smp_kevent_Lock)) {
/*schedule_work(&macp->kevent);*/
return;
}
down(&macp->ioctl_sem);
if (test_and_clear_bit(KEVENT_WATCHDOG, &macp->kevent_flags)) {
extern u16_t zfHpStartRecv(zdev_t *dev);
/*zfiHwWatchDogReinit(dev);*/
printk(("\n ************ Hw watchDog occur!! ************** \n"));
zfiWlanSuspend(dev);
zfiWlanResume(dev , 0);
zfHpStartRecv(dev);
}
clear_bit(0, (void *)&smp_kevent_Lock);
up(&macp->ioctl_sem);
}
/************************************************************************/
/* */
/* FUNCTION DESCRIPTION zfLnxCreateThread */
/* Create a Thread */
/* */
/* INPUTS */
/* dev : device pointer */
/* */
/* OUTPUTS */
/* always 0 */
/* */
/* AUTHOR */
/* Yuan-Gu Wei Atheros Communications, INC. 2007.3 */
/* */
/************************************************************************/
u8_t zfLnxCreateThread(zdev_t *dev)
{
struct usbdrv_private *macp = dev->ml_priv;
/* Create Mutex and keventd */
INIT_WORK(&macp->kevent, kevent);
init_MUTEX(&macp->ioctl_sem);
return 0;
}
/************************************************************************/
/* */
/* FUNCTION DESCRIPTION zfLnxSignalThread */
/* Signal Thread with Flag */
/* */
/* INPUTS */
/* dev : device pointer */
/* flag : signal thread flag */
/* */
/* OUTPUTS */
/* none */
/* */
/* AUTHOR */
/* Yuan-Gu Wei Atheros Communications, INC. 2007.3 */
/* */
/************************************************************************/
void zfLnxSignalThread(zdev_t *dev, int flag)
{
struct usbdrv_private *macp = dev->ml_priv;
if (macp == NULL) {
printk("macp is NULL\n");
return;
}
if (0 && macp->kevent_ready != 1) {
printk("Kevent not ready\n");
return;
}
set_bit(flag, &macp->kevent_flags);
if (!schedule_work(&macp->kevent)) {
/*Fails is Normal
//printk(KERN_ERR "schedule_task failed, flag = %x\n", flag);*/
}
}
/* Notify wrapper todo redownload firmware and reinit procedure when */
/* hardware watchdog occur : zfiHwWatchDogReinit() */
void zfLnxWatchDogNotify(zdev_t *dev)
{
zfLnxSignalThread(dev, KEVENT_WATCHDOG);
}
/* Query Durantion of Active Scan */
void zfwGetActiveScanDur(zdev_t *dev, u8_t *Dur)
{
*Dur = 30; /* default 30 ms*/
}
void zfwGetShowZeroLengthSSID(zdev_t *dev, u8_t *Dur)
{
*Dur = 0;
}