drivers/staging/otus/wwrap.c

   1 /*
   2  * Copyright (c) 2007-2008 Atheros Communications Inc.
   3  *
   4  * Permission to use, copy, modify, and/or distribute this software for any
   5  * purpose with or without fee is hereby granted, provided that the above
   6  * copyright notice and this permission notice appear in all copies.
   7  *
   8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  11  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  13  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  14  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  15  */
  16 /*  Module Name : wwrap.c                                               */
  17 /*  Abstract                                                            */
  18 /*      This module contains wrapper functions.                         */
  19 /*                                                                      */
  20 /*  NOTES                                                               */
  21 /*      Platform dependent.                                             */
  22 /*                                                                      */
  23
  24 /* Please include your header files here */
  25 #include "oal_dt.h"
  26 #include "usbdrv.h"
  27
  28 #include <linux/netlink.h>
  29
  30 #if WIRELESS_EXT > 12
  31 #include <net/iw_handler.h>
  32 #endif
  33
  34 #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
  35 #define URB_ZERO_PACKET USB_ZERO_PACKET
  36 #endif
  37
  38 extern void zfiRecv80211(zdev_t* dev, zbuf_t* buf, struct zsAdditionInfo* addInfo);
  39 extern void zfCoreRecv(zdev_t* dev, zbuf_t* buf, struct zsAdditionInfo* addInfo);
  40 extern void zfIdlChkRsp(zdev_t* dev, u32_t* rsp, u16_t rspLen);
  41 extern void zfIdlRsp(zdev_t* dev, u32_t *rsp, u16_t rspLen);
  42
  43
  44
  45 //extern struct zsWdsStruct wds[ZM_WDS_PORT_NUMBER];
  46 extern struct zsVapStruct vap[ZM_VAP_PORT_NUMBER];
  47
  48 u32_t zfLnxUsbSubmitTxData(zdev_t* dev);
  49 u32_t zfLnxUsbIn(zdev_t* dev, urb_t *urb, zbuf_t *buf);
  50 u32_t zfLnxSubmitRegInUrb(zdev_t *dev);
  51 u32_t zfLnxUsbSubmitBulkUrb(urb_t *urb, struct usb_device *usb, u16_t epnum, u16_t direction,
  52         void *transfer_buffer, int buffer_length, usb_complete_t complete, void *context);
  53 u32_t zfLnxUsbSubmitIntUrb(urb_t *urb, struct usb_device *usb, u16_t epnum, u16_t direction,
  54         void *transfer_buffer, int buffer_length, usb_complete_t complete, void *context,
  55         u32_t interval);
  56
  57 u16_t zfLnxGetFreeTxUrb(zdev_t *dev)
  58 {
  59     struct usbdrv_private *macp = (struct usbdrv_private *)dev->priv;
  60     u16_t idx;
  61     unsigned long irqFlag;
  62
  63     spin_lock_irqsave(&(((struct usbdrv_private *)(dev->priv))->cs_lock), irqFlag);
  64
  65     //idx = ((macp->TxUrbTail + 1) & (ZM_MAX_TX_URB_NUM - 1));
  66
  67     //if (idx != macp->TxUrbHead)
  68     if (macp->TxUrbCnt != 0)
  69     {
  70         idx = macp->TxUrbTail;
  71         macp->TxUrbTail = ((macp->TxUrbTail + 1) & (ZM_MAX_TX_URB_NUM - 1));
  72         macp->TxUrbCnt--;
  73     }
  74     else
  75     {
  76         //printk(KERN_ERR "macp->TxUrbCnt: %d\n", macp->TxUrbCnt);
  77         idx = 0xffff;
  78     }
  79
  80     spin_unlock_irqrestore(&(((struct usbdrv_private *)(dev->priv))->cs_lock), irqFlag);
  81     return idx;
  82 }
  83
  84 void zfLnxPutTxUrb(zdev_t *dev)
  85 {
  86     struct usbdrv_private *macp = (struct usbdrv_private *)dev->priv;
  87     u16_t idx;
  88     unsigned long irqFlag;
  89
  90     spin_lock_irqsave(&(((struct usbdrv_private *)(dev->priv))->cs_lock), irqFlag);
  91
  92     idx = ((macp->TxUrbHead + 1) & (ZM_MAX_TX_URB_NUM - 1));
  93
  94     //if (idx != macp->TxUrbTail)
  95     if (macp->TxUrbCnt < ZM_MAX_TX_URB_NUM)
  96     {
  97         macp->TxUrbHead = idx;
  98         macp->TxUrbCnt++;
  99     }
 100     else
 101     {
 102         printk("UsbTxUrbQ inconsistent: TxUrbHead: %d, TxUrbTail: %d\n",
 103                 macp->TxUrbHead, macp->TxUrbTail);
 104     }
 105
 106     spin_unlock_irqrestore(&(((struct usbdrv_private *)(dev->priv))->cs_lock), irqFlag);
 107 }
 108
 109 u16_t zfLnxCheckTxBufferCnt(zdev_t *dev)
 110 {
 111     struct usbdrv_private *macp = (struct usbdrv_private *)dev->priv;
 112     u16_t TxBufCnt;
 113     unsigned long irqFlag;
 114
 115     spin_lock_irqsave(&(((struct usbdrv_private *)(dev->priv))->cs_lock), irqFlag);
 116
 117     TxBufCnt = macp->TxBufCnt;
 118
 119     spin_unlock_irqrestore(&(((struct usbdrv_private *)(dev->priv))->cs_lock), irqFlag);
 120     return TxBufCnt;
 121 }
 122
 123 UsbTxQ_t *zfLnxGetUsbTxBuffer(zdev_t *dev)
 124 {
 125     struct usbdrv_private *macp = (struct usbdrv_private *)dev->priv;
 126     u16_t idx;
 127     UsbTxQ_t *TxQ;
 128     unsigned long irqFlag;
 129
 130     spin_lock_irqsave(&(((struct usbdrv_private *)(dev->priv))->cs_lock), irqFlag);
 131
 132     idx = ((macp->TxBufHead+1) & (ZM_MAX_TX_BUF_NUM - 1));
 133
 134     //if (idx != macp->TxBufTail)
 135     if (macp->TxBufCnt > 0)
 136     {
 137         //printk("CWY - zfwGetUsbTxBuffer ,macp->TxBufCnt = %d\n", macp->TxBufCnt);
 138         TxQ = (UsbTxQ_t *)&(macp->UsbTxBufQ[macp->TxBufHead]);
 139         macp->TxBufHead = ((macp->TxBufHead+1) & (ZM_MAX_TX_BUF_NUM - 1));
 140         macp->TxBufCnt--;
 141     }
 142     else
 143     {
 144         if (macp->TxBufHead != macp->TxBufTail)
 145         {
 146             printk(KERN_ERR "zfwGetUsbTxBuf UsbTxBufQ inconsistent: TxBufHead: %d, TxBufTail: %d\n",
 147                     macp->TxBufHead, macp->TxBufTail);
 148         }
 149
 150         spin_unlock_irqrestore(&(((struct usbdrv_private *)(dev->priv))->cs_lock), irqFlag);
 151         return NULL;
 152     }
 153
 154     spin_unlock_irqrestore(&(((struct usbdrv_private *)(dev->priv))->cs_lock), irqFlag);
 155     return TxQ;
 156 }
 157
 158 u16_t zfLnxPutUsbTxBuffer(zdev_t *dev, u8_t *hdr, u16_t hdrlen,
 159         u8_t *snap, u16_t snapLen, u8_t *tail, u16_t tailLen,
 160         zbuf_t *buf, u16_t offset)
 161 {
 162     struct usbdrv_private *macp = (struct usbdrv_private *)dev->priv;
 163     u16_t idx;
 164     UsbTxQ_t *TxQ;
 165     unsigned long irqFlag;
 166
 167     spin_lock_irqsave(&(((struct usbdrv_private *)(dev->priv))->cs_lock), irqFlag);
 168
 169     idx = ((macp->TxBufTail+1) & (ZM_MAX_TX_BUF_NUM - 1));
 170
 171     /* For Tx debug */
 172     //zm_assert(macp->TxBufCnt >= 0); // deleted because of always true
 173
 174     //if (idx != macp->TxBufHead)
 175     if (macp->TxBufCnt < ZM_MAX_TX_BUF_NUM)
 176     {
 177         //printk("CWY - zfwPutUsbTxBuffer ,macp->TxBufCnt = %d\n", macp->TxBufCnt);
 178         TxQ = (UsbTxQ_t *)&(macp->UsbTxBufQ[macp->TxBufTail]);
 179         memcpy(TxQ->hdr, hdr, hdrlen);
 180         TxQ->hdrlen = hdrlen;
 181         memcpy(TxQ->snap, snap, snapLen);
 182         TxQ->snapLen = snapLen;
 183         memcpy(TxQ->tail, tail, tailLen);
 184         TxQ->tailLen = tailLen;
 185         TxQ->buf = buf;
 186         TxQ->offset = offset;
 187
 188         macp->TxBufTail = ((macp->TxBufTail+1) & (ZM_MAX_TX_BUF_NUM - 1));
 189         macp->TxBufCnt++;
 190     }
 191     else
 192     {
 193         printk(KERN_ERR "zfLnxPutUsbTxBuffer UsbTxBufQ inconsistent: TxBufHead: %d, TxBufTail: %d, TxBufCnt: %d\n",
 194             macp->TxBufHead, macp->TxBufTail, macp->TxBufCnt);
 195         spin_unlock_irqrestore(&(((struct usbdrv_private *)(dev->priv))->cs_lock), irqFlag);
 196         return 0xffff;
 197     }
 198
 199     spin_unlock_irqrestore(&(((struct usbdrv_private *)(dev->priv))->cs_lock), irqFlag);
 200     return 0;
 201 }
 202
 203 zbuf_t *zfLnxGetUsbRxBuffer(zdev_t *dev)
 204 {
 205     struct usbdrv_private *macp = (struct usbdrv_private *)dev->priv;
 206     //u16_t idx;
 207     zbuf_t *buf;
 208     unsigned long irqFlag;
 209
 210     spin_lock_irqsave(&(((struct usbdrv_private *)(dev->priv))->cs_lock), irqFlag);
 211
 212     //idx = ((macp->RxBufHead+1) & (ZM_MAX_RX_URB_NUM - 1));
 213
 214     //if (idx != macp->RxBufTail)
 215     if (macp->RxBufCnt != 0)
 216     {
 217         buf = macp->UsbRxBufQ[macp->RxBufHead];
 218         macp->RxBufHead = ((macp->RxBufHead+1) & (ZM_MAX_RX_URB_NUM - 1));
 219         macp->RxBufCnt--;
 220     }
 221     else
 222     {
 223         printk("RxBufQ inconsistent: RxBufHead: %d, RxBufTail: %d\n",
 224                 macp->RxBufHead, macp->RxBufTail);
 225         spin_unlock_irqrestore(&(((struct usbdrv_private *)(dev->priv))->cs_lock), irqFlag);
 226         return NULL;
 227     }
 228
 229     spin_unlock_irqrestore(&(((struct usbdrv_private *)(dev->priv))->cs_lock), irqFlag);
 230     return buf;
 231 }
 232
 233 u32_t zfLnxPutUsbRxBuffer(zdev_t *dev, zbuf_t *buf)
 234 {
 235     struct usbdrv_private *macp = (struct usbdrv_private *)dev->priv;
 236     u16_t idx;
 237     unsigned long irqFlag;
 238
 239     spin_lock_irqsave(&(((struct usbdrv_private *)(dev->priv))->cs_lock), irqFlag);
 240
 241     idx = ((macp->RxBufTail+1) & (ZM_MAX_RX_URB_NUM - 1));
 242
 243     //if (idx != macp->RxBufHead)
 244     if (macp->RxBufCnt != ZM_MAX_RX_URB_NUM)
 245     {
 246         macp->UsbRxBufQ[macp->RxBufTail] = buf;
 247         macp->RxBufTail = idx;
 248         macp->RxBufCnt++;
 249     }
 250     else
 251     {
 252         printk("RxBufQ inconsistent: RxBufHead: %d, RxBufTail: %d\n",
 253                 macp->RxBufHead, macp->RxBufTail);
 254         spin_unlock_irqrestore(&(((struct usbdrv_private *)(dev->priv))->cs_lock), irqFlag);
 255         return 0xffff;
 256     }
 257
 258     spin_unlock_irqrestore(&(((struct usbdrv_private *)(dev->priv))->cs_lock), irqFlag);
 259     return 0;
 260 }
 261
 262 #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
 263 void zfLnxUsbDataOut_callback(urb_t *urb)
 264 #else
 265 void zfLnxUsbDataOut_callback(urb_t *urb, struct pt_regs *regs)
 266 #endif
 267 {
 268     zdev_t* dev = urb->context;
 269     //UsbTxQ_t *TxData;
 270
 271     /* Give the urb back */
 272     zfLnxPutTxUrb(dev);
 273
 274     /* Check whether there is any pending buffer needed */
 275     /* to be sent */
 276     if (zfLnxCheckTxBufferCnt(dev) != 0)
 277     {
 278         //TxData = zfwGetUsbTxBuffer(dev);
 279
 280         //if (TxData == NULL)
 281         //{
 282         //    printk("Get a NULL buffer from zfwGetUsbTxBuffer\n");
 283         //    return;
 284         //}
 285         //else
 286         //{
 287             zfLnxUsbSubmitTxData(dev);
 288         //}
 289     }
 290 }
 291
 292 #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
 293 void zfLnxUsbDataIn_callback(urb_t *urb)
 294 #else
 295 void zfLnxUsbDataIn_callback(urb_t *urb, struct pt_regs *regs)
 296 #endif
 297 {
 298     zdev_t* dev = urb->context;
 299     struct usbdrv_private *macp = (struct usbdrv_private *)dev->priv;
 300     zbuf_t *buf;
 301     zbuf_t *new_buf;
 302     int status;
 303
 304 #if ZM_USB_STREAM_MODE == 1
 305     static int remain_len = 0, check_pad = 0, check_len = 0;
 306     int index = 0;
 307     int chk_idx;
 308     u16_t pkt_len;
 309     u16_t pkt_tag;
 310     u16_t ii;
 311     zbuf_t *rxBufPool[8];
 312     u16_t rxBufPoolIndex = 0;
 313 #endif
 314
 315     /* Check status for URB */
 316     if (urb->status != 0){
 317         printk("zfLnxUsbDataIn_callback() : status=0x%x\n", urb->status);
 318         if ((urb->status != -ENOENT) && (urb->status != -ECONNRESET)
 319             && (urb->status != -ESHUTDOWN))
 320         {
 321             #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
 322                 if (urb->status == USB_ST_INTERNALERROR)
 323                     status = -1;
 324             #else
 325                 if (urb->status == -EPIPE){
 326                     //printk(KERN_ERR "nonzero read bulk status received: -EPIPE");
 327                     status = -1;
 328                 }
 329
 330                 if (urb->status == -EPROTO){
 331                     //printk(KERN_ERR "nonzero read bulk status received: -EPROTO");
 332                     status = -1;
 333                 }
 334             #endif
 335         }
 336
 337         //printk(KERN_ERR "urb->status: 0x%08x\n", urb->status);
 338
 339         /* Dequeue skb buffer */
 340         buf = zfLnxGetUsbRxBuffer(dev);
 341         dev_kfree_skb_any(buf);
 342         #if 0
 343         /* Enqueue skb buffer */
 344         zfLnxPutUsbRxBuffer(dev, buf);
 345
 346         /* Submit a Rx urb */
 347         zfLnxUsbIn(dev, urb, buf);
 348         #endif
 349         return;
 350     }
 351
 352     if (urb->actual_length == 0)
 353     {
 354         printk(KERN_ERR "Get an URB whose length is zero");
 355         status = -1;
 356     }
 357
 358     /* Dequeue skb buffer */
 359     buf = zfLnxGetUsbRxBuffer(dev);
 360
 361     //zfwBufSetSize(dev, buf, urb->actual_length);
 362 #ifdef NET_SKBUFF_DATA_USES_OFFSET
 363     buf->tail = 0;
 364     buf->len = 0;
 365 #else
 366     buf->tail = buf->data;
 367     buf->len = 0;
 368 #endif
 369
 370     if ((buf->tail + urb->actual_length) > buf->end)
 371         BUG();
 372
 373     skb_put(buf, urb->actual_length);
 374
 375 #if ZM_USB_STREAM_MODE == 1
 376     if (remain_len != 0)
 377     {
 378         zbuf_t *remain_buf = macp->reamin_buf;
 379
 380         index = remain_len;
 381         remain_len -= check_pad;
 382
 383         /*  Copy data */
 384         memcpy(&(remain_buf->data[check_len]), buf->data, remain_len);
 385         check_len += remain_len;
 386         remain_len = 0;
 387
 388         rxBufPool[rxBufPoolIndex++] = remain_buf;
 389     }
 390
 391     while(index < urb->actual_length)
 392     {
 393         pkt_len = buf->data[index] + (buf->data[index+1] << 8);
 394         pkt_tag = buf->data[index+2] + (buf->data[index+3] << 8);
 395
 396         if (pkt_tag == 0x4e00)
 397         {
 398             int pad_len;
 399
 400             //printk("Get a packet, index: %d, pkt_len: 0x%04x\n", index, pkt_len);
 401             #if 0
 402             /* Dump data */
 403             for (ii = index; ii < pkt_len+4;)
 404             {
 405                 printk("%02x ", (buf->data[ii] & 0xff));
 406
 407                 if ((++ii % 16) == 0)
 408                     printk("\n");
 409             }
 410
 411             printk("\n");
 412             #endif
 413
 414             pad_len = 4 - (pkt_len & 0x3);
 415
 416             if(pad_len == 4)
 417                 pad_len = 0;
 418
 419             chk_idx = index;
 420             index = index + 4 + pkt_len + pad_len;
 421
 422             if (index > ZM_MAX_RX_BUFFER_SIZE)
 423             {
 424                 remain_len = index - ZM_MAX_RX_BUFFER_SIZE; // - pad_len;
 425                 check_len = ZM_MAX_RX_BUFFER_SIZE - chk_idx - 4;
 426                 check_pad = pad_len;
 427
 428                 /* Allocate a skb buffer */
 429                 //new_buf = zfwBufAllocate(dev, ZM_MAX_RX_BUFFER_SIZE);
 430                 new_buf = dev_alloc_skb(ZM_MAX_RX_BUFFER_SIZE);
 431
 432                 /* Set skb buffer length */
 433             #ifdef NET_SKBUFF_DATA_USES_OFFSET
 434                 new_buf->tail = 0;
 435                 new_buf->len = 0;
 436             #else
 437                 new_buf->tail = new_buf->data;
 438                 new_buf->len = 0;
 439             #endif
 440
 441                 skb_put(new_buf, pkt_len);
 442
 443                 /* Copy the buffer */
 444                 memcpy(new_buf->data, &(buf->data[chk_idx+4]), check_len);
 445
 446                 /* Record the buffer pointer */
 447                 macp->reamin_buf = new_buf;
 448             }
 449             else
 450             {
 451         #ifdef ZM_DONT_COPY_RX_BUFFER
 452                 if (rxBufPoolIndex == 0)
 453                 {
 454                     new_buf = skb_clone(buf, GFP_ATOMIC);
 455
 456                     new_buf->data = &(buf->data[chk_idx+4]);
 457                     new_buf->len = pkt_len;
 458                 }
 459                 else
 460                 {
 461         #endif
 462                 /* Allocate a skb buffer */
 463                 new_buf = dev_alloc_skb(ZM_MAX_RX_BUFFER_SIZE);
 464
 465                 /* Set skb buffer length */
 466             #ifdef NET_SKBUFF_DATA_USES_OFFSET
 467                 new_buf->tail = 0;
 468                 new_buf->len = 0;
 469             #else
 470                 new_buf->tail = new_buf->data;
 471                 new_buf->len = 0;
 472             #endif
 473
 474                 skb_put(new_buf, pkt_len);
 475
 476                 /* Copy the buffer */
 477                 memcpy(new_buf->data, &(buf->data[chk_idx+4]), pkt_len);
 478
 479         #ifdef ZM_DONT_COPY_RX_BUFFER
 480                 }
 481         #endif
 482                 rxBufPool[rxBufPoolIndex++] = new_buf;
 483             }
 484         }
 485         else
 486         {
 487             printk(KERN_ERR "Can't find tag, pkt_len: 0x%04x, tag: 0x%04x\n", pkt_len, pkt_tag);
 488
 489             /* Free buffer */
 490             dev_kfree_skb_any(buf);
 491
 492             /* Allocate a skb buffer */
 493             new_buf = dev_alloc_skb(ZM_MAX_RX_BUFFER_SIZE);
 494
 495             /* Enqueue skb buffer */
 496             zfLnxPutUsbRxBuffer(dev, new_buf);
 497
 498             /* Submit a Rx urb */
 499             zfLnxUsbIn(dev, urb, new_buf);
 500
 501             return;
 502         }
 503     }
 504
 505     /* Free buffer */
 506     dev_kfree_skb_any(buf);
 507 #endif
 508
 509     /* Allocate a skb buffer */
 510     new_buf = dev_alloc_skb(ZM_MAX_RX_BUFFER_SIZE);
 511
 512     /* Enqueue skb buffer */
 513     zfLnxPutUsbRxBuffer(dev, new_buf);
 514
 515     /* Submit a Rx urb */
 516     zfLnxUsbIn(dev, urb, new_buf);
 517
 518 #if ZM_USB_STREAM_MODE == 1
 519     for(ii = 0; ii < rxBufPoolIndex; ii++)
 520     {
 521         macp->usbCbFunctions.zfcbUsbRecv(dev, rxBufPool[ii]);
 522     }
 523 #else
 524     /* pass data to upper layer */
 525     macp->usbCbFunctions.zfcbUsbRecv(dev, buf);
 526 #endif
 527 }
 528
 529 #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
 530 void zfLnxUsbRegOut_callback(urb_t *urb)
 531 #else
 532 void zfLnxUsbRegOut_callback(urb_t *urb, struct pt_regs *regs)
 533 #endif
 534 {
 535     //dev_t* dev = urb->context;
 536
 537     //printk(KERN_ERR "zfwUsbRegOut_callback\n");
 538 }
 539
 540 #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
 541 void zfLnxUsbRegIn_callback(urb_t *urb)
 542 #else
 543 void zfLnxUsbRegIn_callback(urb_t *urb, struct pt_regs *regs)
 544 #endif
 545 {
 546     zdev_t* dev = urb->context;
 547     u32_t rsp[64/4];
 548     int status;
 549     struct usbdrv_private *macp = (struct usbdrv_private *)dev->priv;
 550
 551     /* Check status for URB */
 552     if (urb->status != 0){
 553         printk("zfLnxUsbRegIn_callback() : status=0x%x\n", urb->status);
 554         if ((urb->status != -ENOENT) && (urb->status != -ECONNRESET)
 555             && (urb->status != -ESHUTDOWN))
 556         {
 557             #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
 558                 if (urb->status == USB_ST_INTERNALERROR)
 559                     status = -1;
 560             #else
 561                 if (urb->status == -EPIPE){
 562                     //printk(KERN_ERR "nonzero read bulk status received: -EPIPE");
 563                     status = -1;
 564                 }
 565
 566                 if (urb->status == -EPROTO){
 567                     //printk(KERN_ERR "nonzero read bulk status received: -EPROTO");
 568                     status = -1;
 569                 }
 570             #endif
 571         }
 572
 573         //printk(KERN_ERR "urb->status: 0x%08x\n", urb->status);
 574         return;
 575     }
 576
 577     if (urb->actual_length == 0)
 578     {
 579         printk(KERN_ERR "Get an URB whose length is zero");
 580         status = -1;
 581     }
 582
 583     /* Copy data into respone buffer */
 584     memcpy(rsp, macp->regUsbReadBuf, urb->actual_length);
 585
 586     /* Notify to upper layer */
 587     //zfIdlChkRsp(dev, rsp, (u16_t)urb->actual_length);
 588     //zfiUsbRegIn(dev, rsp, (u16_t)urb->actual_length);
 589     macp->usbCbFunctions.zfcbUsbRegIn(dev, rsp, (u16_t)urb->actual_length);
 590
 591     /* Issue another USB IN URB */
 592     zfLnxSubmitRegInUrb(dev);
 593 }
 594
 595 u32_t zfLnxSubmitRegInUrb(zdev_t *dev)
 596 {
 597     u32_t ret;
 598     struct usbdrv_private *macp = (struct usbdrv_private *)dev->priv;
 599
 600     /* Submit a rx urb */
 601     //ret = zfLnxUsbSubmitBulkUrb(macp->RegInUrb, macp->udev,
 602     //        USB_REG_IN_PIPE, USB_DIR_IN, macp->regUsbReadBuf,
 603     //        ZM_USB_REG_MAX_BUF_SIZE, zfLnxUsbRegIn_callback, dev);
 604     //CWYang(-)
 605     //if (ret != 0)
 606     //    printk("zfwUsbSubmitBulkUrb fail, status: 0x%08x\n", (int)ret);
 607
 608     ret = zfLnxUsbSubmitIntUrb(macp->RegInUrb, macp->udev,
 609             USB_REG_IN_PIPE, USB_DIR_IN, macp->regUsbReadBuf,
 610             ZM_USB_REG_MAX_BUF_SIZE, zfLnxUsbRegIn_callback, dev, 1);
 611
 612     return ret;
 613 }
 614
 615 u32_t zfLnxUsbSubmitTxData(zdev_t* dev)
 616 {
 617     u32_t i;
 618     u32_t ret;
 619     u16_t freeTxUrb;
 620     u8_t *puTxBuf = NULL;
 621     UsbTxQ_t *TxData;
 622     int len = 0;
 623     struct usbdrv_private *macp = (struct usbdrv_private *)dev->priv;
 624 #if ZM_USB_TX_STREAM_MODE == 1
 625     u8_t               ii;
 626     u16_t              offset = 0;
 627     u16_t              usbTxAggCnt;
 628     u16_t              *pUsbTxHdr;
 629     UsbTxQ_t           *TxQPool[ZM_MAX_TX_AGGREGATE_NUM];
 630 #endif
 631
 632     /* First check whether there is a free URB */
 633     freeTxUrb = zfLnxGetFreeTxUrb(dev);
 634
 635     /* If there is no any free Tx Urb */
 636     if (freeTxUrb == 0xffff)
 637     {
 638         //printk(KERN_ERR "Can't get free Tx Urb\n");
 639         //printk("CWY - Can't get free Tx Urb\n");
 640         return 0xffff;
 641     }
 642
 643 #if ZM_USB_TX_STREAM_MODE == 1
 644     usbTxAggCnt = zfLnxCheckTxBufferCnt(dev);
 645
 646     if (usbTxAggCnt >= ZM_MAX_TX_AGGREGATE_NUM)
 647     {
 648        usbTxAggCnt = ZM_MAX_TX_AGGREGATE_NUM;
 649     }
 650     else
 651     {
 652        usbTxAggCnt = 1;
 653     }
 654
 655     //printk("usbTxAggCnt: %d\n", usbTxAggCnt);
 656 #endif
 657
 658 #if ZM_USB_TX_STREAM_MODE == 1
 659     for(ii = 0; ii < usbTxAggCnt; ii++)
 660     {
 661 #endif
 662     /* Dequeue the packet from UsbTxBufQ */
 663     TxData = zfLnxGetUsbTxBuffer(dev);
 664     if (TxData == NULL)
 665     {
 666         /* Give the urb back */
 667         zfLnxPutTxUrb(dev);
 668         return 0xffff;
 669     }
 670
 671     /* Point to the freeTxUrb buffer */
 672     puTxBuf = macp->txUsbBuf[freeTxUrb];
 673
 674 #if ZM_USB_TX_STREAM_MODE == 1
 675     puTxBuf += offset;
 676     pUsbTxHdr = (u16_t *)puTxBuf;
 677
 678     /* Add the packet length and tag information */
 679     *pUsbTxHdr++ = TxData->hdrlen + TxData->snapLen +
 680              (TxData->buf->len - TxData->offset) +  TxData->tailLen;
 681
 682     *pUsbTxHdr++ = 0x697e;
 683
 684     puTxBuf += 4;
 685 #endif // #ifdef ZM_USB_TX_STREAM_MODE
 686
 687     /* Copy WLAN header and packet buffer into USB buffer */
 688     for(i = 0; i < TxData->hdrlen; i++)
 689     {
 690         *puTxBuf++ = TxData->hdr[i];
 691     }
 692
 693     /* Copy SNAP header */
 694     for(i = 0; i < TxData->snapLen; i++)
 695     {
 696         *puTxBuf++ = TxData->snap[i];
 697     }
 698
 699     /* Copy packet buffer */
 700     for(i = 0; i < TxData->buf->len - TxData->offset; i++)
 701     {
 702         //*puTxBuf++ = zmw_rx_buf_readb(dev, TxData->buf, i);
 703         *puTxBuf++ = *(u8_t*)((u8_t*)TxData->buf->data+i+TxData->offset);
 704     }
 705
 706     /* Copy tail */
 707     for(i = 0; i < TxData->tailLen; i++)
 708     {
 709         *puTxBuf++ = TxData->tail[i];
 710     }
 711
 712     len = TxData->hdrlen+TxData->snapLen+TxData->buf->len+TxData->tailLen-TxData->offset;
 713
 714     #if 0
 715     if (TxData->hdrlen != 0)
 716     {
 717         puTxBuf = macp->txUsbBuf[freeTxUrb];
 718         for (i = 0; i < len; i++)
 719         {
 720             printk("%02x ", puTxBuf[i]);
 721             if (i % 16 == 15)
 722                 printk("\n");
 723         }
 724         printk("\n");
 725     }
 726     #endif
 727     #if 0
 728     /* For debug purpose */
 729     if(TxData->hdr[9] & 0x40)
 730     {
 731         int i;
 732         u16_t ctrlLen = TxData->hdr[0] + (TxData->hdr[1] << 8);
 733
 734         if (ctrlLen != len + 4)
 735         {
 736         /* Dump control setting */
 737         for(i = 0; i < 8; i++)
 738         {
 739             printk(KERN_ERR "0x%02x ", TxData->hdr[i]);
 740         }
 741         printk(KERN_ERR "\n");
 742
 743         printk(KERN_ERR "ctrLen: %d, hdrLen: %d, snapLen: %d\n", ctrlLen, TxData->hdrlen, TxData->snapLen);
 744         printk(KERN_ERR "bufLen: %d, tailLen: %d, len: %d\n", TxData->buf->len, TxData->tailLen, len);
 745         }
 746     }
 747     #endif
 748
 749 #if ZM_USB_TX_STREAM_MODE == 1
 750     // Add the Length and Tag
 751     len += 4;
 752
 753     //printk("%d packet, length: %d\n", ii+1, len);
 754
 755     if (ii < (ZM_MAX_TX_AGGREGATE_NUM-1))
 756     {
 757         /* Pad the buffer to firmware descriptor boundary */
 758         offset += (((len-1) / 4) + 1) * 4;
 759     }
 760
 761     if (ii == (ZM_MAX_TX_AGGREGATE_NUM-1))
 762     {
 763         len += offset;
 764     }
 765
 766     TxQPool[ii] = TxData;
 767
 768     //DbgPrint("%d packet, offset: %d\n", ii+1, pUsbTxTransfer->offset);
 769
 770     /* free packet */
 771     //zfBufFree(dev, txData->buf);
 772     }
 773 #endif
 774     //printk("CWY - call zfwUsbSubmitBulkUrb(), len = 0x%d\n", len);
 775     /* Submit a tx urb */
 776     ret = zfLnxUsbSubmitBulkUrb(macp->WlanTxDataUrb[freeTxUrb], macp->udev,
 777             USB_WLAN_TX_PIPE, USB_DIR_OUT, macp->txUsbBuf[freeTxUrb],
 778             len, zfLnxUsbDataOut_callback, dev);
 779     //CWYang(-)
 780     //if (ret != 0)
 781     //    printk("zfwUsbSubmitBulkUrb fail, status: 0x%08x\n", (int)ret);
 782
 783     /* free packet */
 784     //dev_kfree_skb_any(TxData->buf);
 785 #if ZM_USB_TX_STREAM_MODE == 1
 786     for(ii = 0; ii < usbTxAggCnt; ii++)
 787         macp->usbCbFunctions.zfcbUsbOutComplete(dev, TxQPool[ii]->buf, 1, TxQPool[ii]->hdr);
 788 #else
 789     macp->usbCbFunctions.zfcbUsbOutComplete(dev, TxData->buf, 1, TxData->hdr);
 790 #endif
 791
 792     return ret;
 793 }
 794
 795
 796
 797 u32_t zfLnxUsbIn(zdev_t* dev, urb_t *urb, zbuf_t *buf)
 798 {
 799     u32_t ret;
 800     struct usbdrv_private *macp = (struct usbdrv_private *)dev->priv;
 801
 802     /* Submit a rx urb */
 803     ret = zfLnxUsbSubmitBulkUrb(urb, macp->udev, USB_WLAN_RX_PIPE,
 804             USB_DIR_IN, buf->data, ZM_MAX_RX_BUFFER_SIZE,
 805             zfLnxUsbDataIn_callback, dev);
 806     //CWYang(-)
 807     //if (ret != 0)
 808     //    printk("zfwUsbSubmitBulkUrb fail, status: 0x%08x\n", (int)ret);
 809
 810     return ret;
 811 }
 812
 813 u32_t zfLnxUsbWriteReg(zdev_t* dev, u32_t* cmd, u16_t cmdLen)
 814 {
 815     struct usbdrv_private *macp = (struct usbdrv_private *)dev->priv;
 816     u32_t ret;
 817
 818 #ifdef ZM_CONFIG_BIG_ENDIAN
 819     int ii = 0;
 820
 821     for(ii=0; ii<(cmdLen>>2); ii++)
 822         cmd[ii] = cpu_to_le32(cmd[ii]);
 823 #endif
 824
 825     memcpy(macp->regUsbWriteBuf, cmd, cmdLen);
 826
 827     /* Issue an USB Out transfer */
 828     /* Submit a tx urb */
 829 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24)
 830     ret = zfLnxUsbSubmitBulkUrb(macp->RegOutUrb, macp->udev,
 831             USB_REG_OUT_PIPE, USB_DIR_OUT, macp->regUsbWriteBuf,
 832             cmdLen, zfLnxUsbRegOut_callback, dev);
 833 #else
 834     ret = zfLnxUsbSubmitIntUrb(macp->RegOutUrb, macp->udev,
 835             USB_REG_OUT_PIPE, USB_DIR_OUT, macp->regUsbWriteBuf,
 836             cmdLen, zfLnxUsbRegOut_callback, dev, 1);
 837 #endif
 838
 839     return ret;
 840 }
 841
 842
 843 u32_t zfLnxUsbOut(zdev_t* dev, u8_t *hdr, u16_t hdrlen, u8_t *snap, u16_t snapLen,
 844         u8_t *tail, u16_t tailLen, zbuf_t *buf, u16_t offset)
 845 {
 846     u32_t ret;
 847     struct usbdrv_private *macp = (struct usbdrv_private *)dev->priv;
 848
 849     /* Check length of tail buffer */
 850     //zm_assert((tailLen <= 16));
 851
 852     /* Enqueue the packet into UsbTxBufQ */
 853     if (zfLnxPutUsbTxBuffer(dev, hdr, hdrlen, snap, snapLen, tail, tailLen, buf, offset) == 0xffff)
 854     {
 855         /* free packet */
 856         //printk("CWY - zfwPutUsbTxBuffer Error, free packet\n");
 857         //dev_kfree_skb_any(buf);
 858         macp->usbCbFunctions.zfcbUsbOutComplete(dev, buf, 0, hdr);
 859         return 0xffff;
 860     }
 861
 862     //return 0;
 863     //printk("CWY - call zfwUsbSubmitTxData()\n");
 864     ret = zfLnxUsbSubmitTxData(dev);
 865     return ret;
 866 }
 867
 868 void zfLnxInitUsbTxQ(zdev_t* dev)
 869 {
 870     struct usbdrv_private *macp = (struct usbdrv_private *)dev->priv;
 871
 872     printk(KERN_ERR "zfwInitUsbTxQ\n");
 873
 874     /* Zero memory for UsbTxBufQ */
 875     memset(macp->UsbTxBufQ, 0, sizeof(UsbTxQ_t) * ZM_MAX_TX_URB_NUM);
 876
 877     macp->TxBufHead = 0;
 878     macp->TxBufTail = 0;
 879     macp->TxUrbHead = 0;
 880     macp->TxUrbTail = 0;
 881     macp->TxUrbCnt = ZM_MAX_TX_URB_NUM;
 882 }
 883
 884 void zfLnxInitUsbRxQ(zdev_t* dev)
 885 {
 886     u16_t i;
 887     zbuf_t *buf;
 888     struct usbdrv_private *macp = (struct usbdrv_private *)dev->priv;
 889
 890     /* Zero memory for UsbRxBufQ */
 891     memset(macp->UsbRxBufQ, 0, sizeof(zbuf_t *) * ZM_MAX_RX_URB_NUM);
 892
 893     macp->RxBufHead = 0;
 894
 895     for (i = 0; i < ZM_MAX_RX_URB_NUM; i++)
 896     {
 897         //buf = zfwBufAllocate(dev, ZM_MAX_RX_BUFFER_SIZE);
 898         buf = dev_alloc_skb(ZM_MAX_RX_BUFFER_SIZE);
 899         macp->UsbRxBufQ[i] = buf;
 900     }
 901
 902     //macp->RxBufTail = ZM_MAX_RX_URB_NUM - 1;
 903     macp->RxBufTail = 0;
 904
 905     /* Submit all Rx urbs */
 906     for (i = 0; i < ZM_MAX_RX_URB_NUM; i++)
 907     {
 908         zfLnxPutUsbRxBuffer(dev, macp->UsbRxBufQ[i]);
 909         zfLnxUsbIn(dev, macp->WlanRxDataUrb[i], macp->UsbRxBufQ[i]);
 910     }
 911 }
 912
 913
 914
 915 u32_t zfLnxUsbSubmitBulkUrb(urb_t *urb, struct usb_device *usb, u16_t epnum, u16_t direction,
 916         void *transfer_buffer, int buffer_length, usb_complete_t complete, void *context)
 917 {
 918     u32_t ret;
 919
 920     if(direction == USB_DIR_OUT)
 921     {
 922         usb_fill_bulk_urb(urb, usb, usb_sndbulkpipe(usb, epnum),
 923                 transfer_buffer, buffer_length, complete, context);
 924
 925         urb->transfer_flags |= URB_ZERO_PACKET;
 926     }
 927     else
 928     {
 929         usb_fill_bulk_urb(urb, usb, usb_rcvbulkpipe(usb, epnum),
 930                 transfer_buffer, buffer_length, complete, context);
 931     }
 932
 933 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,15)
 934     urb->transfer_flags |= URB_ASYNC_UNLINK;
 935 #endif
 936
 937     if (epnum == 4)
 938     {
 939         if (urb->hcpriv)
 940         {
 941             //printk("CWY - urb->hcpriv set by unknown reason, reset it\n");
 942             //urb->hcpriv = 0;
 943         }
 944     }
 945
 946 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0)
 947     ret = usb_submit_urb(urb, GFP_ATOMIC);
 948 #else
 949     ret = usb_submit_urb(urb);
 950 #endif
 951     if ((epnum == 4) & (ret != 0))
 952     {
 953         //printk("CWY - ret = %x\n", ret);
 954     }
 955     return ret;
 956 }
 957
 958 u32_t zfLnxUsbSubmitIntUrb(urb_t *urb, struct usb_device *usb, u16_t epnum, u16_t direction,
 959         void *transfer_buffer, int buffer_length, usb_complete_t complete, void *context,
 960         u32_t interval)
 961 {
 962     u32_t ret;
 963
 964     if(direction == USB_DIR_OUT)
 965     {
 966         usb_fill_int_urb(urb, usb, usb_sndbulkpipe(usb, epnum),
 967                 transfer_buffer, buffer_length, complete, context, interval);
 968     }
 969     else
 970     {
 971         usb_fill_int_urb(urb, usb, usb_rcvbulkpipe(usb, epnum),
 972                 transfer_buffer, buffer_length, complete, context, interval);
 973     }
 974
 975 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,15)
 976     urb->transfer_flags |= URB_ASYNC_UNLINK;
 977 #endif
 978
 979 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0)
 980     ret = usb_submit_urb(urb, GFP_ATOMIC);
 981 #else
 982     ret = usb_submit_urb(urb);
 983 #endif
 984
 985     return ret;
 986 }
 987
 988 #ifdef ZM_ENABLE_CENC
 989 int zfLnxCencSendMsg(struct sock *netlink_sk, u_int8_t *msg, int len)
 990 {
 991 #define COMMTYPE_GROUP   8
 992 #define WAI_K_MSG        0x11
 993
 994         int ret = -1;
 995         int size;
 996         unsigned char *old_tail;
 997         struct sk_buff *skb;
 998         struct nlmsghdr *nlh;
 999         char *pos = NULL;
1000
1001         size = NLMSG_SPACE(len);
1002         skb = alloc_skb(size, GFP_ATOMIC);
1003
1004         if(skb == NULL)
1005         {
1006                 printk("dev_alloc_skb failure \n");
1007                 goto out;
1008         }
1009         old_tail = skb->tail;
1010
1011         /*ÌîÐ´Êý¾Ý±¨Ïà¹ØÐÅÏ¢*/
1012         nlh = NLMSG_PUT(skb, 0, 0, WAI_K_MSG, size-sizeof(*nlh));
1013         pos = NLMSG_DATA(nlh);
1014         memset(pos, 0, len);
1015
1016         /*´«Êäµ½ÓÃ»§¿Õ¼äµÄÊý¾Ý*/
1017         memcpy(pos, msg,  len);
1018         /*¼ÆËã¾¹ý×Ö½Ú¶ÔÆäºóµÄÊý¾ÝÊµ¼Ê³¤¶È*/
1019         nlh->nlmsg_len = skb->tail - old_tail;
1020 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,14)
1021     NETLINK_CB(skb).dst_groups = COMMTYPE_GROUP;
1022 #else
1023         NETLINK_CB(skb).dst_group = COMMTYPE_GROUP;
1024 #endif
1025         netlink_broadcast(netlink_sk, skb, 0, COMMTYPE_GROUP, GFP_ATOMIC);
1026         ret = 0;
1027 out:
1028         return ret;
1029 nlmsg_failure: /*NLMSG_PUT Ê§°Ü£¬Ôò³·ÏúÌ×½Ó×Ö»º´æ*/
1030         if(skb)
1031                 kfree_skb(skb);
1032         goto out;
1033
1034 #undef COMMTYPE_GROUP
1035 #undef WAI_K_MSG
1036 }
1037 #endif //ZM_ENABLE_CENC
1038
1039 /* Simply return 0xffff if VAP function is not supported */
1040 u16_t zfLnxGetVapId(zdev_t* dev)
1041 {
1042     u16_t i;
1043
1044     for (i=0; i<ZM_VAP_PORT_NUMBER; i++)
1045     {
1046         if (vap[i].dev == dev)
1047         {
1048             return i;
1049         }
1050     }
1051     return 0xffff;
1052 }
1053
1054 u32_t zfwReadReg(zdev_t* dev, u32_t offset)
1055 {
1056     return 0;
1057 }
1058
1059 #ifndef INIT_WORK
1060 #define work_struct tq_struct
1061
1062 #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,0))
1063 #define schedule_work(a)   queue_task(a, &tq_scheduler)
1064 #else
1065 #define schedule_work(a)  schedule_task(a)
1066 #endif
1067
1068 #define flush_scheduled_work  flush_scheduled_tasks
1069 #define INIT_WORK(_wq, _routine, _data)  INIT_TQUEUE(_wq, _routine, _data)
1070 #define PREPARE_WORK(_wq, _routine, _data)  PREPARE_TQUEUE(_wq, _routine, _data)
1071 #endif
1072
1073 #define KEVENT_WATCHDOG        0x00000001
1074
1075 u32_t smp_kevent_Lock = 0;
1076
1077 #if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,20))
1078 void kevent(struct work_struct *work)
1079 #else
1080 void kevent(void *data)
1081 #endif
1082 {
1083 #if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,20))
1084     struct usbdrv_private *macp =
1085                container_of(work, struct usbdrv_private, kevent);
1086     zdev_t *dev = macp->device;
1087 #else
1088     zdev_t *dev = (zdev_t *) data;
1089     struct usbdrv_private *macp = (struct usbdrv_private *)dev->priv;
1090 #endif
1091
1092     if (macp == NULL)
1093     {
1094         return;
1095     }
1096
1097     if (test_and_set_bit(0, (void *)&smp_kevent_Lock))
1098     {
1099         //schedule_work(&macp->kevent);
1100         return;
1101     }
1102
1103     down(&macp->ioctl_sem);
1104
1105     if (test_and_clear_bit(KEVENT_WATCHDOG, &macp->kevent_flags))
1106     {
1107     extern u16_t zfHpStartRecv(zdev_t *dev);
1108         //zfiHwWatchDogReinit(dev);
1109         printk(("\n ************ Hw watchDog occur!! ************** \n"));
1110         zfiWlanSuspend(dev);
1111         zfiWlanResume(dev,0);
1112         zfHpStartRecv(dev);
1113     }
1114
1115     clear_bit(0, (void *)&smp_kevent_Lock);
1116     up(&macp->ioctl_sem);
1117 }
1118
1119 /************************************************************************/
1120 /*                                                                      */
1121 /*    FUNCTION DESCRIPTION                 zfLnxCreateThread            */
1122 /*      Create a Thread                                                 */
1123 /*                                                                      */
1124 /*    INPUTS                                                            */
1125 /*      dev : device pointer                                            */
1126 /*                                                                      */
1127 /*    OUTPUTS                                                           */
1128 /*      always 0                                                        */
1129 /*                                                                      */
1130 /*    AUTHOR                                                            */
1131 /*      Yuan-Gu Wei         Atheros Communications, INC.    2007.3      */
1132 /*                                                                      */
1133 /************************************************************************/
1134 u8_t zfLnxCreateThread(zdev_t *dev)
1135 {
1136     struct usbdrv_private *macp = (struct usbdrv_private *)dev->priv;
1137
1138     /* Create Mutex and keventd */
1139 #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20))
1140     INIT_WORK(&macp->kevent, kevent, dev);
1141 #else
1142     INIT_WORK(&macp->kevent, kevent);
1143 #endif
1144     init_MUTEX(&macp->ioctl_sem);
1145
1146     return 0;
1147 }
1148
1149 /************************************************************************/
1150 /*                                                                      */
1151 /*    FUNCTION DESCRIPTION                 zfLnxSignalThread            */
1152 /*      Signal Thread with Flag                                         */
1153 /*                                                                      */
1154 /*    INPUTS                                                            */
1155 /*      dev : device pointer                                            */
1156 /*      flag : signal thread flag                                       */
1157 /*                                                                      */
1158 /*    OUTPUTS                                                           */
1159 /*      none                                                            */
1160 /*                                                                      */
1161 /*    AUTHOR                                                            */
1162 /*      Yuan-Gu Wei         Atheros Communications, INC.    2007.3      */
1163 /*                                                                      */
1164 /************************************************************************/
1165 void zfLnxSignalThread(zdev_t *dev, int flag)
1166 {
1167     struct usbdrv_private *macp = (struct usbdrv_private *)dev->priv;
1168
1169     if (macp == NULL)
1170     {
1171         printk("macp is NULL\n");
1172         return;
1173     }
1174
1175     if (0 && macp->kevent_ready != 1)
1176     {
1177         printk("Kevent not ready\n");
1178         return;
1179     }
1180
1181     set_bit(flag, &macp->kevent_flags);
1182
1183     if (!schedule_work(&macp->kevent))
1184     {
1185         //Fails is Normal
1186         //printk(KERN_ERR "schedule_task failed, flag = %x\n", flag);
1187     }
1188 }
1189
1190 /* Notify wrapper todo redownload firmware and reinit procedure when */
1191 /* hardware watchdog occur : zfiHwWatchDogReinit() */
1192 void zfLnxWatchDogNotify(zdev_t* dev)
1193 {
1194     zfLnxSignalThread(dev, KEVENT_WATCHDOG);
1195 }
1196
1197 /* Query Durantion of Active Scan */
1198 void zfwGetActiveScanDur(zdev_t* dev, u8_t* Dur)
1199 {
1200     *Dur = 30; // default 30 ms
1201 }
1202
1203 void zfwGetShowZeroLengthSSID(zdev_t* dev, u8_t* Dur)
1204 {
1205     *Dur = 0;
1206 }
1207