git.oblomov.eu Git - linux-2.6/blob - drivers/staging/rt2870/rt_linux.c

   1 /*
   2  *************************************************************************
   3  * Ralink Tech Inc.
   4  * 5F., No.36, Taiyuan St., Jhubei City,
   5  * Hsinchu County 302,
   6  * Taiwan, R.O.C.
   7  *
   8  * (c) Copyright 2002-2007, Ralink Technology, Inc.
   9  *
  10  * This program is free software; you can redistribute it and/or modify  *
  11  * it under the terms of the GNU General Public License as published by  *
  12  * the Free Software Foundation; either version 2 of the License, or     *
  13  * (at your option) any later version.                                   *
  14  *                                                                       *
  15  * This program is distributed in the hope that it will be useful,       *
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  18  * GNU General Public License for more details.                          *
  19  *                                                                       *
  20  * You should have received a copy of the GNU General Public License     *
  21  * along with this program; if not, write to the                         *
  22  * Free Software Foundation, Inc.,                                       *
  23  * 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  24  *                                                                       *
  25  *************************************************************************
  26  */
  27
  28 #include "rt_config.h"
  29
  30 ULONG   RTDebugLevel = RT_DEBUG_ERROR;
  31
  32 BUILD_TIMER_FUNCTION(MlmePeriodicExec);
  33 //BUILD_TIMER_FUNCTION(MlmeRssiReportExec);
  34 BUILD_TIMER_FUNCTION(AsicRxAntEvalTimeout);
  35 BUILD_TIMER_FUNCTION(APSDPeriodicExec);
  36 BUILD_TIMER_FUNCTION(AsicRfTuningExec);
  37 #ifdef RT2870
  38 BUILD_TIMER_FUNCTION(BeaconUpdateExec);
  39 #endif // RT2870 //
  40
  41 BUILD_TIMER_FUNCTION(BeaconTimeout);
  42 BUILD_TIMER_FUNCTION(ScanTimeout);
  43 BUILD_TIMER_FUNCTION(AuthTimeout);
  44 BUILD_TIMER_FUNCTION(AssocTimeout);
  45 BUILD_TIMER_FUNCTION(ReassocTimeout);
  46 BUILD_TIMER_FUNCTION(DisassocTimeout);
  47 BUILD_TIMER_FUNCTION(LinkDownExec);
  48 BUILD_TIMER_FUNCTION(StaQuickResponeForRateUpExec);
  49 BUILD_TIMER_FUNCTION(WpaDisassocApAndBlockAssoc);
  50
  51 // for wireless system event message
  52 char const *pWirelessSysEventText[IW_SYS_EVENT_TYPE_NUM] = {
  53         // system status event
  54     "had associated successfully",                                                      /* IW_ASSOC_EVENT_FLAG */
  55     "had disassociated",                                                                        /* IW_DISASSOC_EVENT_FLAG */
  56     "had deauthenticated",                                                                      /* IW_DEAUTH_EVENT_FLAG */
  57     "had been aged-out and disassociated",                                      /* IW_AGEOUT_EVENT_FLAG */
  58     "occurred CounterMeasures attack",                                          /* IW_COUNTER_MEASURES_EVENT_FLAG */
  59     "occurred replay counter different in Key Handshaking",     /* IW_REPLAY_COUNTER_DIFF_EVENT_FLAG */
  60     "occurred RSNIE different in Key Handshaking",                      /* IW_RSNIE_DIFF_EVENT_FLAG */
  61     "occurred MIC different in Key Handshaking",                        /* IW_MIC_DIFF_EVENT_FLAG */
  62     "occurred ICV error in RX",                                                         /* IW_ICV_ERROR_EVENT_FLAG */
  63     "occurred MIC error in RX",                                                         /* IW_MIC_ERROR_EVENT_FLAG */
  64         "Group Key Handshaking timeout",                                                /* IW_GROUP_HS_TIMEOUT_EVENT_FLAG */
  65         "Pairwise Key Handshaking timeout",                                             /* IW_PAIRWISE_HS_TIMEOUT_EVENT_FLAG */
  66         "RSN IE sanity check failure",                                                  /* IW_RSNIE_SANITY_FAIL_EVENT_FLAG */
  67         "set key done in WPA/WPAPSK",                                                   /* IW_SET_KEY_DONE_WPA1_EVENT_FLAG */
  68         "set key done in WPA2/WPA2PSK",                         /* IW_SET_KEY_DONE_WPA2_EVENT_FLAG */
  69         "connects with our wireless client",                    /* IW_STA_LINKUP_EVENT_FLAG */
  70         "disconnects with our wireless client",                 /* IW_STA_LINKDOWN_EVENT_FLAG */
  71         "scan completed"                                                                                /* IW_SCAN_COMPLETED_EVENT_FLAG */
  72         "scan terminate!! Busy!! Enqueue fail!!"                                /* IW_SCAN_ENQUEUE_FAIL_EVENT_FLAG */
  73         };
  74
  75 // for wireless IDS_spoof_attack event message
  76 char const *pWirelessSpoofEventText[IW_SPOOF_EVENT_TYPE_NUM] = {
  77     "detected conflict SSID",                                                           /* IW_CONFLICT_SSID_EVENT_FLAG */
  78     "detected spoofed association response",                            /* IW_SPOOF_ASSOC_RESP_EVENT_FLAG */
  79     "detected spoofed reassociation responses",                         /* IW_SPOOF_REASSOC_RESP_EVENT_FLAG */
  80     "detected spoofed probe response",                                          /* IW_SPOOF_PROBE_RESP_EVENT_FLAG */
  81     "detected spoofed beacon",                                                          /* IW_SPOOF_BEACON_EVENT_FLAG */
  82     "detected spoofed disassociation",                                          /* IW_SPOOF_DISASSOC_EVENT_FLAG */
  83     "detected spoofed authentication",                                          /* IW_SPOOF_AUTH_EVENT_FLAG */
  84     "detected spoofed deauthentication",                                        /* IW_SPOOF_DEAUTH_EVENT_FLAG */
  85     "detected spoofed unknown management frame",                        /* IW_SPOOF_UNKNOWN_MGMT_EVENT_FLAG */
  86         "detected replay attack"                                                                /* IW_REPLAY_ATTACK_EVENT_FLAG */
  87         };
  88
  89 // for wireless IDS_flooding_attack event message
  90 char const *pWirelessFloodEventText[IW_FLOOD_EVENT_TYPE_NUM] = {
  91         "detected authentication flooding",                                             /* IW_FLOOD_AUTH_EVENT_FLAG */
  92     "detected association request flooding",                            /* IW_FLOOD_ASSOC_REQ_EVENT_FLAG */
  93     "detected reassociation request flooding",                          /* IW_FLOOD_REASSOC_REQ_EVENT_FLAG */
  94     "detected probe request flooding",                                          /* IW_FLOOD_PROBE_REQ_EVENT_FLAG */
  95     "detected disassociation flooding",                                         /* IW_FLOOD_DISASSOC_EVENT_FLAG */
  96     "detected deauthentication flooding",                                       /* IW_FLOOD_DEAUTH_EVENT_FLAG */
  97     "detected 802.1x eap-request flooding"                                      /* IW_FLOOD_EAP_REQ_EVENT_FLAG */
  98         };
  99
 100 /* timeout -- ms */
 101 VOID RTMP_SetPeriodicTimer(
 102         IN      NDIS_MINIPORT_TIMER *pTimer,
 103         IN      unsigned long timeout)
 104 {
 105         timeout = ((timeout*HZ) / 1000);
 106         pTimer->expires = jiffies + timeout;
 107         add_timer(pTimer);
 108 }
 109
 110 /* convert NdisMInitializeTimer --> RTMP_OS_Init_Timer */
 111 VOID RTMP_OS_Init_Timer(
 112         IN      PRTMP_ADAPTER pAd,
 113         IN      NDIS_MINIPORT_TIMER *pTimer,
 114         IN      TIMER_FUNCTION function,
 115         IN      PVOID data)
 116 {
 117         init_timer(pTimer);
 118     pTimer->data = (unsigned long)data;
 119     pTimer->function = function;
 120 }
 121
 122
 123 VOID RTMP_OS_Add_Timer(
 124         IN      NDIS_MINIPORT_TIMER             *pTimer,
 125         IN      unsigned long timeout)
 126 {
 127         if (timer_pending(pTimer))
 128                 return;
 129
 130         timeout = ((timeout*HZ) / 1000);
 131         pTimer->expires = jiffies + timeout;
 132         add_timer(pTimer);
 133 }
 134
 135 VOID RTMP_OS_Mod_Timer(
 136         IN      NDIS_MINIPORT_TIMER             *pTimer,
 137         IN      unsigned long timeout)
 138 {
 139         timeout = ((timeout*HZ) / 1000);
 140         mod_timer(pTimer, jiffies + timeout);
 141 }
 142
 143 VOID RTMP_OS_Del_Timer(
 144         IN      NDIS_MINIPORT_TIMER             *pTimer,
 145         OUT     BOOLEAN                                 *pCancelled)
 146 {
 147         if (timer_pending(pTimer))
 148         {
 149                 *pCancelled = del_timer_sync(pTimer);
 150         }
 151         else
 152         {
 153                 *pCancelled = TRUE;
 154         }
 155
 156 }
 157
 158 VOID RTMP_OS_Release_Packet(
 159         IN      PRTMP_ADAPTER pAd,
 160         IN      PQUEUE_ENTRY  pEntry)
 161 {
 162         //RTMPFreeNdisPacket(pAd, (struct sk_buff *)pEntry);
 163 }
 164
 165 // Unify all delay routine by using udelay
 166 VOID RTMPusecDelay(
 167         IN      ULONG   usec)
 168 {
 169         ULONG   i;
 170
 171         for (i = 0; i < (usec / 50); i++)
 172                 udelay(50);
 173
 174         if (usec % 50)
 175                 udelay(usec % 50);
 176 }
 177
 178 void RTMP_GetCurrentSystemTime(LARGE_INTEGER *time)
 179 {
 180         time->u.LowPart = jiffies;
 181 }
 182
 183 // pAd MUST allow to be NULL
 184 NDIS_STATUS os_alloc_mem(
 185         IN      PRTMP_ADAPTER pAd,
 186         OUT     PUCHAR *mem,
 187         IN      ULONG  size)
 188 {
 189         *mem = (PUCHAR) kmalloc(size, GFP_ATOMIC);
 190         if (*mem)
 191                 return (NDIS_STATUS_SUCCESS);
 192         else
 193                 return (NDIS_STATUS_FAILURE);
 194 }
 195
 196 // pAd MUST allow to be NULL
 197 NDIS_STATUS os_free_mem(
 198         IN      PRTMP_ADAPTER pAd,
 199         IN      PUCHAR mem)
 200 {
 201
 202         ASSERT(mem);
 203         kfree(mem);
 204         return (NDIS_STATUS_SUCCESS);
 205 }
 206
 207
 208 PNDIS_PACKET RTMP_AllocateFragPacketBuffer(
 209         IN      PRTMP_ADAPTER pAd,
 210         IN      ULONG   Length)
 211 {
 212         struct sk_buff *pkt;
 213
 214         pkt = dev_alloc_skb(Length);
 215
 216         if (pkt == NULL)
 217         {
 218                 DBGPRINT(RT_DEBUG_ERROR, ("can't allocate frag rx %ld size packet\n",Length));
 219         }
 220
 221         if (pkt)
 222         {
 223                 RTMP_SET_PACKET_SOURCE(OSPKT_TO_RTPKT(pkt), PKTSRC_NDIS);
 224         }
 225
 226         return (PNDIS_PACKET) pkt;
 227 }
 228
 229
 230 PNDIS_PACKET RTMP_AllocateTxPacketBuffer(
 231         IN      PRTMP_ADAPTER pAd,
 232         IN      ULONG   Length,
 233         IN      BOOLEAN Cached,
 234         OUT     PVOID   *VirtualAddress)
 235 {
 236         struct sk_buff *pkt;
 237
 238         pkt = dev_alloc_skb(Length);
 239
 240         if (pkt == NULL)
 241         {
 242                 DBGPRINT(RT_DEBUG_ERROR, ("can't allocate tx %ld size packet\n",Length));
 243         }
 244
 245         if (pkt)
 246         {
 247                 RTMP_SET_PACKET_SOURCE(OSPKT_TO_RTPKT(pkt), PKTSRC_NDIS);
 248                 *VirtualAddress = (PVOID) pkt->data;
 249         }
 250         else
 251         {
 252                 *VirtualAddress = (PVOID) NULL;
 253         }
 254
 255         return (PNDIS_PACKET) pkt;
 256 }
 257
 258
 259 VOID build_tx_packet(
 260         IN      PRTMP_ADAPTER   pAd,
 261         IN      PNDIS_PACKET    pPacket,
 262         IN      PUCHAR  pFrame,
 263         IN      ULONG   FrameLen)
 264 {
 265
 266         struct sk_buff  *pTxPkt;
 267
 268         ASSERT(pPacket);
 269         pTxPkt = RTPKT_TO_OSPKT(pPacket);
 270
 271         NdisMoveMemory(skb_put(pTxPkt, FrameLen), pFrame, FrameLen);
 272 }
 273
 274 VOID    RTMPFreeAdapter(
 275         IN      PRTMP_ADAPTER   pAd)
 276 {
 277     POS_COOKIE os_cookie;
 278         int index;
 279
 280         os_cookie=(POS_COOKIE)pAd->OS_Cookie;
 281
 282         kfree(pAd->BeaconBuf);
 283
 284
 285         NdisFreeSpinLock(&pAd->MgmtRingLock);
 286
 287
 288         for (index =0 ; index < NUM_OF_TX_RING; index++)
 289         {
 290         NdisFreeSpinLock(&pAd->TxSwQueueLock[index]);
 291                 NdisFreeSpinLock(&pAd->DeQueueLock[index]);
 292                 pAd->DeQueueRunning[index] = FALSE;
 293         }
 294
 295         NdisFreeSpinLock(&pAd->irq_lock);
 296
 297
 298         vfree(pAd); // pci_free_consistent(os_cookie->pci_dev,sizeof(RTMP_ADAPTER),pAd,os_cookie->pAd_pa);
 299         kfree(os_cookie);
 300 }
 301
 302 BOOLEAN OS_Need_Clone_Packet(void)
 303 {
 304         return (FALSE);
 305 }
 306
 307
 308
 309 /*
 310         ========================================================================
 311
 312         Routine Description:
 313                 clone an input NDIS PACKET to another one. The new internally created NDIS PACKET
 314                 must have only one NDIS BUFFER
 315                 return - byte copied. 0 means can't create NDIS PACKET
 316                 NOTE: internally created NDIS_PACKET should be destroyed by RTMPFreeNdisPacket
 317
 318         Arguments:
 319                 pAd     Pointer to our adapter
 320                 pInsAMSDUHdr    EWC A-MSDU format has extra 14-bytes header. if TRUE, insert this 14-byte hdr in front of MSDU.
 321                 *pSrcTotalLen                   return total packet length. This lenght is calculated with 802.3 format packet.
 322
 323         Return Value:
 324                 NDIS_STATUS_SUCCESS
 325                 NDIS_STATUS_FAILURE
 326
 327         Note:
 328
 329         ========================================================================
 330 */
 331 NDIS_STATUS RTMPCloneNdisPacket(
 332         IN      PRTMP_ADAPTER   pAd,
 333         IN      BOOLEAN                 pInsAMSDUHdr,
 334         IN      PNDIS_PACKET    pInPacket,
 335         OUT PNDIS_PACKET   *ppOutPacket)
 336 {
 337
 338         struct sk_buff *pkt;
 339
 340         ASSERT(pInPacket);
 341         ASSERT(ppOutPacket);
 342
 343         // 1. Allocate a packet
 344         pkt = dev_alloc_skb(2048);
 345
 346         if (pkt == NULL)
 347         {
 348                 return NDIS_STATUS_FAILURE;
 349         }
 350
 351         skb_put(pkt, GET_OS_PKT_LEN(pInPacket));
 352         NdisMoveMemory(pkt->data, GET_OS_PKT_DATAPTR(pInPacket), GET_OS_PKT_LEN(pInPacket));
 353         *ppOutPacket = OSPKT_TO_RTPKT(pkt);
 354
 355
 356         RTMP_SET_PACKET_SOURCE(OSPKT_TO_RTPKT(pkt), PKTSRC_NDIS);
 357
 358         printk("###Clone###\n");
 359
 360         return NDIS_STATUS_SUCCESS;
 361 }
 362
 363
 364 // the allocated NDIS PACKET must be freed via RTMPFreeNdisPacket()
 365 NDIS_STATUS RTMPAllocateNdisPacket(
 366         IN      PRTMP_ADAPTER   pAd,
 367         OUT PNDIS_PACKET   *ppPacket,
 368         IN      PUCHAR                  pHeader,
 369         IN      UINT                    HeaderLen,
 370         IN      PUCHAR                  pData,
 371         IN      UINT                    DataLen)
 372 {
 373         PNDIS_PACKET    pPacket;
 374         ASSERT(pData);
 375         ASSERT(DataLen);
 376
 377         // 1. Allocate a packet
 378         pPacket = (PNDIS_PACKET *) dev_alloc_skb(HeaderLen + DataLen + TXPADDING_SIZE);
 379         if (pPacket == NULL)
 380         {
 381                 *ppPacket = NULL;
 382 #ifdef DEBUG
 383                 printk("RTMPAllocateNdisPacket Fail\n\n");
 384 #endif
 385                 return NDIS_STATUS_FAILURE;
 386         }
 387
 388         // 2. clone the frame content
 389         if (HeaderLen > 0)
 390                 NdisMoveMemory(GET_OS_PKT_DATAPTR(pPacket), pHeader, HeaderLen);
 391         if (DataLen > 0)
 392                 NdisMoveMemory(GET_OS_PKT_DATAPTR(pPacket) + HeaderLen, pData, DataLen);
 393
 394         // 3. update length of packet
 395         skb_put(GET_OS_PKT_TYPE(pPacket), HeaderLen+DataLen);
 396
 397         RTMP_SET_PACKET_SOURCE(pPacket, PKTSRC_NDIS);
 398 //      printk("%s : pPacket = %p, len = %d\n", __func__, pPacket, GET_OS_PKT_LEN(pPacket));
 399         *ppPacket = pPacket;
 400         return NDIS_STATUS_SUCCESS;
 401 }
 402
 403 /*
 404   ========================================================================
 405   Description:
 406         This routine frees a miniport internally allocated NDIS_PACKET and its
 407         corresponding NDIS_BUFFER and allocated memory.
 408   ========================================================================
 409 */
 410 VOID RTMPFreeNdisPacket(
 411         IN PRTMP_ADAPTER pAd,
 412         IN PNDIS_PACKET  pPacket)
 413 {
 414         dev_kfree_skb_any(RTPKT_TO_OSPKT(pPacket));
 415 }
 416
 417
 418 // IRQL = DISPATCH_LEVEL
 419 // NOTE: we do have an assumption here, that Byte0 and Byte1 always reasid at the same
 420 //                       scatter gather buffer
 421 NDIS_STATUS Sniff2BytesFromNdisBuffer(
 422         IN      PNDIS_BUFFER    pFirstBuffer,
 423         IN      UCHAR                   DesiredOffset,
 424         OUT PUCHAR                      pByte0,
 425         OUT PUCHAR                      pByte1)
 426 {
 427     *pByte0 = *(PUCHAR)(pFirstBuffer + DesiredOffset);
 428     *pByte1 = *(PUCHAR)(pFirstBuffer + DesiredOffset + 1);
 429
 430         return NDIS_STATUS_SUCCESS;
 431 }
 432
 433
 434 void RTMP_QueryPacketInfo(
 435         IN  PNDIS_PACKET pPacket,
 436         OUT PACKET_INFO  *pPacketInfo,
 437         OUT PUCHAR               *pSrcBufVA,
 438         OUT     UINT             *pSrcBufLen)
 439 {
 440         pPacketInfo->BufferCount = 1;
 441         pPacketInfo->pFirstBuffer = GET_OS_PKT_DATAPTR(pPacket);
 442         pPacketInfo->PhysicalBufferCount = 1;
 443         pPacketInfo->TotalPacketLength = GET_OS_PKT_LEN(pPacket);
 444
 445         *pSrcBufVA = GET_OS_PKT_DATAPTR(pPacket);
 446         *pSrcBufLen = GET_OS_PKT_LEN(pPacket);
 447 }
 448
 449 void RTMP_QueryNextPacketInfo(
 450         IN  PNDIS_PACKET *ppPacket,
 451         OUT PACKET_INFO  *pPacketInfo,
 452         OUT PUCHAR               *pSrcBufVA,
 453         OUT     UINT             *pSrcBufLen)
 454 {
 455         PNDIS_PACKET pPacket = NULL;
 456
 457         if (*ppPacket)
 458                 pPacket = GET_OS_PKT_NEXT(*ppPacket);
 459
 460         if (pPacket)
 461         {
 462                 pPacketInfo->BufferCount = 1;
 463                 pPacketInfo->pFirstBuffer = GET_OS_PKT_DATAPTR(pPacket);
 464                 pPacketInfo->PhysicalBufferCount = 1;
 465                 pPacketInfo->TotalPacketLength = GET_OS_PKT_LEN(pPacket);
 466
 467                 *pSrcBufVA = GET_OS_PKT_DATAPTR(pPacket);
 468                 *pSrcBufLen = GET_OS_PKT_LEN(pPacket);
 469                 *ppPacket = GET_OS_PKT_NEXT(pPacket);
 470         }
 471         else
 472         {
 473                 pPacketInfo->BufferCount = 0;
 474                 pPacketInfo->pFirstBuffer = NULL;
 475                 pPacketInfo->PhysicalBufferCount = 0;
 476                 pPacketInfo->TotalPacketLength = 0;
 477
 478                 *pSrcBufVA = NULL;
 479                 *pSrcBufLen = 0;
 480                 *ppPacket = NULL;
 481         }
 482 }
 483
 484 // not yet support MBSS
 485 PNET_DEV get_netdev_from_bssid(
 486         IN      PRTMP_ADAPTER   pAd,
 487         IN      UCHAR                   FromWhichBSSID)
 488 {
 489     PNET_DEV dev_p = NULL;
 490
 491         IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
 492         {
 493                 dev_p = pAd->net_dev;
 494         }
 495
 496         ASSERT(dev_p);
 497         return dev_p; /* return one of MBSS */
 498 }
 499
 500 PNDIS_PACKET DuplicatePacket(
 501         IN      PRTMP_ADAPTER   pAd,
 502         IN      PNDIS_PACKET    pPacket,
 503         IN      UCHAR                   FromWhichBSSID)
 504 {
 505         struct sk_buff  *skb;
 506         PNDIS_PACKET    pRetPacket = NULL;
 507         USHORT                  DataSize;
 508         UCHAR                   *pData;
 509
 510         DataSize = (USHORT) GET_OS_PKT_LEN(pPacket);
 511         pData = (PUCHAR) GET_OS_PKT_DATAPTR(pPacket);
 512
 513
 514         skb = skb_clone(RTPKT_TO_OSPKT(pPacket), MEM_ALLOC_FLAG);
 515         if (skb)
 516         {
 517                 skb->dev = get_netdev_from_bssid(pAd, FromWhichBSSID);
 518                 pRetPacket = OSPKT_TO_RTPKT(skb);
 519         }
 520
 521 #if 0
 522         if ((skb = __dev_alloc_skb(DataSize + 2+32, MEM_ALLOC_FLAG)) != NULL)
 523         {
 524                 skb_reserve(skb, 2+32);
 525                 NdisMoveMemory(skb->tail, pData, DataSize);
 526                 skb_put(skb, DataSize);
 527                 skb->dev = get_netdev_from_bssid(pAd, FromWhichBSSID);
 528                 pRetPacket = OSPKT_TO_RTPKT(skb);
 529         }
 530 #endif
 531
 532         return pRetPacket;
 533
 534 }
 535
 536 PNDIS_PACKET duplicate_pkt(
 537         IN      PRTMP_ADAPTER   pAd,
 538         IN      PUCHAR                  pHeader802_3,
 539     IN  UINT            HdrLen,
 540         IN      PUCHAR                  pData,
 541         IN      ULONG                   DataSize,
 542         IN      UCHAR                   FromWhichBSSID)
 543 {
 544         struct sk_buff  *skb;
 545         PNDIS_PACKET    pPacket = NULL;
 546
 547
 548         if ((skb = __dev_alloc_skb(HdrLen + DataSize + 2, MEM_ALLOC_FLAG)) != NULL)
 549         {
 550                 skb_reserve(skb, 2);
 551                 NdisMoveMemory(skb->tail, pHeader802_3, HdrLen);
 552                 skb_put(skb, HdrLen);
 553                 NdisMoveMemory(skb->tail, pData, DataSize);
 554                 skb_put(skb, DataSize);
 555                 skb->dev = get_netdev_from_bssid(pAd, FromWhichBSSID);
 556                 pPacket = OSPKT_TO_RTPKT(skb);
 557         }
 558
 559         return pPacket;
 560 }
 561
 562
 563 #define TKIP_TX_MIC_SIZE                8
 564 PNDIS_PACKET duplicate_pkt_with_TKIP_MIC(
 565         IN      PRTMP_ADAPTER   pAd,
 566         IN      PNDIS_PACKET    pPacket)
 567 {
 568         struct sk_buff  *skb, *newskb;
 569
 570
 571         skb = RTPKT_TO_OSPKT(pPacket);
 572         if (skb_tailroom(skb) < TKIP_TX_MIC_SIZE)
 573         {
 574                 // alloc a new skb and copy the packet
 575                 newskb = skb_copy_expand(skb, skb_headroom(skb), TKIP_TX_MIC_SIZE, GFP_ATOMIC);
 576                 dev_kfree_skb_any(skb);
 577                 if (newskb == NULL)
 578                 {
 579                         DBGPRINT(RT_DEBUG_ERROR, ("Extend Tx.MIC for packet failed!, dropping packet!\n"));
 580                         return NULL;
 581                 }
 582                 skb = newskb;
 583         }
 584
 585         return OSPKT_TO_RTPKT(skb);
 586
 587 #if 0
 588         if ((data = skb_put(skb, TKIP_TX_MIC_SIZE)) != NULL)
 589         {       // If we can extend it, well, copy it first.
 590                 NdisMoveMemory(data, pAd->PrivateInfo.Tx.MIC, TKIP_TX_MIC_SIZE);
 591         }
 592         else
 593         {
 594                 // Otherwise, copy the packet.
 595                 newskb = skb_copy_expand(skb, skb_headroom(skb), TKIP_TX_MIC_SIZE, GFP_ATOMIC);
 596                 dev_kfree_skb_any(skb);
 597                 if (newskb == NULL)
 598                 {
 599                         DBGPRINT(RT_DEBUG_ERROR, ("Extend Tx.MIC to packet failed!, dropping packet\n"));
 600                         return NULL;
 601                 }
 602                 skb = newskb;
 603
 604                 NdisMoveMemory(skb->tail, pAd->PrivateInfo.Tx.MIC, TKIP_TX_MIC_SIZE);
 605                 skb_put(skb, TKIP_TX_MIC_SIZE);
 606         }
 607
 608         return OSPKT_TO_RTPKT(skb);
 609 #endif
 610
 611 }
 612
 613
 614
 615
 616 PNDIS_PACKET ClonePacket(
 617         IN      PRTMP_ADAPTER   pAd,
 618         IN      PNDIS_PACKET    pPacket,
 619         IN      PUCHAR                  pData,
 620         IN      ULONG                   DataSize)
 621 {
 622         struct sk_buff  *pRxPkt;
 623         struct sk_buff  *pClonedPkt;
 624
 625         ASSERT(pPacket);
 626         pRxPkt = RTPKT_TO_OSPKT(pPacket);
 627
 628         // clone the packet
 629         pClonedPkt = skb_clone(pRxPkt, MEM_ALLOC_FLAG);
 630
 631         if (pClonedPkt)
 632         {
 633         // set the correct dataptr and data len
 634         pClonedPkt->dev = pRxPkt->dev;
 635         pClonedPkt->data = pData;
 636         pClonedPkt->len = DataSize;
 637         pClonedPkt->tail = pClonedPkt->data + pClonedPkt->len;
 638                 ASSERT(DataSize < 1530);
 639         }
 640         return pClonedPkt;
 641 }
 642
 643 //
 644 // change OS packet DataPtr and DataLen
 645 //
 646 void  update_os_packet_info(
 647         IN      PRTMP_ADAPTER   pAd,
 648         IN      RX_BLK                  *pRxBlk,
 649         IN  UCHAR                       FromWhichBSSID)
 650 {
 651         struct sk_buff  *pOSPkt;
 652
 653         ASSERT(pRxBlk->pRxPacket);
 654         pOSPkt = RTPKT_TO_OSPKT(pRxBlk->pRxPacket);
 655
 656         pOSPkt->dev = get_netdev_from_bssid(pAd, FromWhichBSSID);
 657         pOSPkt->data = pRxBlk->pData;
 658         pOSPkt->len = pRxBlk->DataSize;
 659         pOSPkt->tail = pOSPkt->data + pOSPkt->len;
 660 }
 661
 662
 663 void wlan_802_11_to_802_3_packet(
 664         IN      PRTMP_ADAPTER   pAd,
 665         IN      RX_BLK                  *pRxBlk,
 666         IN      PUCHAR                  pHeader802_3,
 667         IN  UCHAR                       FromWhichBSSID)
 668 {
 669         struct sk_buff  *pOSPkt;
 670
 671         ASSERT(pRxBlk->pRxPacket);
 672         ASSERT(pHeader802_3);
 673
 674         pOSPkt = RTPKT_TO_OSPKT(pRxBlk->pRxPacket);
 675
 676         pOSPkt->dev = get_netdev_from_bssid(pAd, FromWhichBSSID);
 677         pOSPkt->data = pRxBlk->pData;
 678         pOSPkt->len = pRxBlk->DataSize;
 679         pOSPkt->tail = pOSPkt->data + pOSPkt->len;
 680
 681         //
 682         // copy 802.3 header
 683         //
 684         //
 685
 686         IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
 687                 NdisMoveMemory(skb_push(pOSPkt, LENGTH_802_3), pHeader802_3, LENGTH_802_3);
 688         }
 689
 690
 691
 692 void announce_802_3_packet(
 693         IN      PRTMP_ADAPTER   pAd,
 694         IN      PNDIS_PACKET    pPacket)
 695 {
 696
 697         struct sk_buff  *pRxPkt;
 698
 699         ASSERT(pPacket);
 700
 701         pRxPkt = RTPKT_TO_OSPKT(pPacket);
 702
 703     /* Push up the protocol stack */
 704 #ifdef IKANOS_VX_1X0
 705         IKANOS_DataFrameRx(pAd, pRxPkt->dev, pRxPkt, pRxPkt->len);
 706 #else
 707         pRxPkt->protocol = eth_type_trans(pRxPkt, pRxPkt->dev);
 708
 709 //#ifdef CONFIG_5VT_ENHANCE
 710 //      *(int*)(pRxPkt->cb) = BRIDGE_TAG;
 711 //#endif
 712         netif_rx(pRxPkt);
 713 #endif // IKANOS_VX_1X0 //
 714 }
 715
 716
 717 PRTMP_SCATTER_GATHER_LIST
 718 rt_get_sg_list_from_packet(PNDIS_PACKET pPacket, RTMP_SCATTER_GATHER_LIST *sg)
 719 {
 720         sg->NumberOfElements = 1;
 721         sg->Elements[0].Address =  GET_OS_PKT_DATAPTR(pPacket);
 722         sg->Elements[0].Length = GET_OS_PKT_LEN(pPacket);
 723         return (sg);
 724 }
 725
 726 void hex_dump(char *str, unsigned char *pSrcBufVA, unsigned int SrcBufLen)
 727 {
 728         unsigned char *pt;
 729         int x;
 730
 731         if (RTDebugLevel < RT_DEBUG_TRACE)
 732                 return;
 733
 734         pt = pSrcBufVA;
 735         printk("%s: %p, len = %d\n",str,  pSrcBufVA, SrcBufLen);
 736         for (x=0; x<SrcBufLen; x++)
 737         {
 738                 if (x % 16 == 0)
 739                         printk("0x%04x : ", x);
 740                 printk("%02x ", ((unsigned char)pt[x]));
 741                 if (x%16 == 15) printk("\n");
 742         }
 743         printk("\n");
 744 }
 745
 746 /*
 747         ========================================================================
 748
 749         Routine Description:
 750                 Send log message through wireless event
 751
 752                 Support standard iw_event with IWEVCUSTOM. It is used below.
 753
 754                 iwreq_data.data.flags is used to store event_flag that is defined by user.
 755                 iwreq_data.data.length is the length of the event log.
 756
 757                 The format of the event log is composed of the entry's MAC address and
 758                 the desired log message (refer to pWirelessEventText).
 759
 760                         ex: 11:22:33:44:55:66 has associated successfully
 761
 762                 p.s. The requirement of Wireless Extension is v15 or newer.
 763
 764         ========================================================================
 765 */
 766 VOID RTMPSendWirelessEvent(
 767         IN      PRTMP_ADAPTER   pAd,
 768         IN      USHORT                  Event_flag,
 769         IN      PUCHAR                  pAddr,
 770         IN      UCHAR                   BssIdx,
 771         IN      CHAR                    Rssi)
 772 {
 773 #if WIRELESS_EXT >= 15
 774
 775         union   iwreq_data      wrqu;
 776         PUCHAR  pBuf = NULL, pBufPtr = NULL;
 777         USHORT  event, type, BufLen;
 778         UCHAR   event_table_len = 0;
 779
 780         type = Event_flag & 0xFF00;
 781         event = Event_flag & 0x00FF;
 782
 783         switch (type)
 784         {
 785                 case IW_SYS_EVENT_FLAG_START:
 786                         event_table_len = IW_SYS_EVENT_TYPE_NUM;
 787                         break;
 788
 789                 case IW_SPOOF_EVENT_FLAG_START:
 790                         event_table_len = IW_SPOOF_EVENT_TYPE_NUM;
 791                         break;
 792
 793                 case IW_FLOOD_EVENT_FLAG_START:
 794                         event_table_len = IW_FLOOD_EVENT_TYPE_NUM;
 795                         break;
 796         }
 797
 798         if (event_table_len == 0)
 799         {
 800                 DBGPRINT(RT_DEBUG_ERROR, ("%s : The type(%0x02x) is not valid.\n", __func__, type));
 801                 return;
 802         }
 803
 804         if (event >= event_table_len)
 805         {
 806                 DBGPRINT(RT_DEBUG_ERROR, ("%s : The event(%0x02x) is not valid.\n", __func__, event));
 807                 return;
 808         }
 809
 810         //Allocate memory and copy the msg.
 811         if((pBuf = kmalloc(IW_CUSTOM_MAX_LEN, GFP_ATOMIC)) != NULL)
 812         {
 813                 //Prepare the payload
 814                 memset(pBuf, 0, IW_CUSTOM_MAX_LEN);
 815
 816                 pBufPtr = pBuf;
 817
 818                 if (pAddr)
 819                         pBufPtr += sprintf(pBufPtr, "(RT2860) STA(%02x:%02x:%02x:%02x:%02x:%02x) ", PRINT_MAC(pAddr));
 820                 else if (BssIdx < MAX_MBSSID_NUM)
 821                         pBufPtr += sprintf(pBufPtr, "(RT2860) BSS(ra%d) ", BssIdx);
 822                 else
 823                         pBufPtr += sprintf(pBufPtr, "(RT2860) ");
 824
 825                 if (type == IW_SYS_EVENT_FLAG_START)
 826                         pBufPtr += sprintf(pBufPtr, "%s", pWirelessSysEventText[event]);
 827                 else if (type == IW_SPOOF_EVENT_FLAG_START)
 828                         pBufPtr += sprintf(pBufPtr, "%s (RSSI=%d)", pWirelessSpoofEventText[event], Rssi);
 829                 else if (type == IW_FLOOD_EVENT_FLAG_START)
 830                         pBufPtr += sprintf(pBufPtr, "%s", pWirelessFloodEventText[event]);
 831                 else
 832                         pBufPtr += sprintf(pBufPtr, "%s", "unknown event");
 833
 834                 pBufPtr[pBufPtr - pBuf] = '\0';
 835                 BufLen = pBufPtr - pBuf;
 836
 837                 memset(&wrqu, 0, sizeof(wrqu));
 838             wrqu.data.flags = Event_flag;
 839                 wrqu.data.length = BufLen;
 840
 841                 //send wireless event
 842             wireless_send_event(pAd->net_dev, IWEVCUSTOM, &wrqu, pBuf);
 843
 844                 //DBGPRINT(RT_DEBUG_TRACE, ("%s : %s\n", __func__, pBuf));
 845
 846                 kfree(pBuf);
 847         }
 848         else
 849                 DBGPRINT(RT_DEBUG_ERROR, ("%s : Can't allocate memory for wireless event.\n", __func__));
 850 #else
 851         DBGPRINT(RT_DEBUG_ERROR, ("%s : The Wireless Extension MUST be v15 or newer.\n", __func__));
 852 #endif  /* WIRELESS_EXT >= 15 */
 853 }
 854
 855 void send_monitor_packets(
 856         IN      PRTMP_ADAPTER   pAd,
 857         IN      RX_BLK                  *pRxBlk)
 858 {
 859     struct sk_buff      *pOSPkt;
 860     wlan_ng_prism2_header *ph;
 861     int rate_index = 0;
 862     USHORT header_len = 0;
 863     UCHAR temp_header[40] = {0};
 864
 865     u_int32_t ralinkrate[256] = {2,4,11,22, 12,18,24,36,48,72,96,  108,   109, 110, 111, 112, 13, 26, 39, 52,78,104, 117, 130, 26, 52, 78,104, 156, 208, 234, 260, 27, 54,81,108,162, 216, 243, 270, // Last 38
 866         54, 108, 162, 216, 324, 432, 486, 540,  14, 29, 43, 57, 87, 115, 130, 144, 29, 59,87,115, 173, 230,260, 288, 30, 60,90,120,180,240,270,300,60,120,180,240,360,480,540,600, 0,1,2,3,4,5,6,7,8,9,10,
 867         11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80};
 868
 869
 870     ASSERT(pRxBlk->pRxPacket);
 871     if (pRxBlk->DataSize < 10)
 872     {
 873         DBGPRINT(RT_DEBUG_ERROR, ("%s : Size is too small! (%d)\n", __func__, pRxBlk->DataSize));
 874                 goto err_free_sk_buff;
 875     }
 876
 877     if (pRxBlk->DataSize + sizeof(wlan_ng_prism2_header) > RX_BUFFER_AGGRESIZE)
 878     {
 879         DBGPRINT(RT_DEBUG_ERROR, ("%s : Size is too large! (%zu)\n", __func__, pRxBlk->DataSize + sizeof(wlan_ng_prism2_header)));
 880                 goto err_free_sk_buff;
 881     }
 882
 883     pOSPkt = RTPKT_TO_OSPKT(pRxBlk->pRxPacket);
 884         pOSPkt->dev = get_netdev_from_bssid(pAd, BSS0);
 885     if (pRxBlk->pHeader->FC.Type == BTYPE_DATA)
 886     {
 887         pRxBlk->DataSize -= LENGTH_802_11;
 888         if ((pRxBlk->pHeader->FC.ToDs == 1) &&
 889             (pRxBlk->pHeader->FC.FrDs == 1))
 890             header_len = LENGTH_802_11_WITH_ADDR4;
 891         else
 892             header_len = LENGTH_802_11;
 893
 894         // QOS
 895         if (pRxBlk->pHeader->FC.SubType & 0x08)
 896         {
 897             header_len += 2;
 898                 // Data skip QOS contorl field
 899                 pRxBlk->DataSize -=2;
 900         }
 901
 902         // Order bit: A-Ralink or HTC+
 903         if (pRxBlk->pHeader->FC.Order)
 904         {
 905             header_len += 4;
 906                         // Data skip HTC contorl field
 907                         pRxBlk->DataSize -= 4;
 908         }
 909
 910         // Copy Header
 911         if (header_len <= 40)
 912             NdisMoveMemory(temp_header, pRxBlk->pData, header_len);
 913
 914         // skip HW padding
 915         if (pRxBlk->RxD.L2PAD)
 916             pRxBlk->pData += (header_len + 2);
 917         else
 918             pRxBlk->pData += header_len;
 919     } //end if
 920
 921
 922         if (pRxBlk->DataSize < pOSPkt->len) {
 923         skb_trim(pOSPkt,pRxBlk->DataSize);
 924     } else {
 925         skb_put(pOSPkt,(pRxBlk->DataSize - pOSPkt->len));
 926     } //end if
 927
 928     if ((pRxBlk->pData - pOSPkt->data) > 0) {
 929             skb_put(pOSPkt,(pRxBlk->pData - pOSPkt->data));
 930             skb_pull(pOSPkt,(pRxBlk->pData - pOSPkt->data));
 931     } //end if
 932
 933     if (skb_headroom(pOSPkt) < (sizeof(wlan_ng_prism2_header)+ header_len)) {
 934         if (pskb_expand_head(pOSPkt, (sizeof(wlan_ng_prism2_header) + header_len), 0, GFP_ATOMIC)) {
 935                 DBGPRINT(RT_DEBUG_ERROR, ("%s : Reallocate header size of sk_buff fail!\n", __func__));
 936                         goto err_free_sk_buff;
 937             } //end if
 938     } //end if
 939
 940     if (header_len > 0)
 941         NdisMoveMemory(skb_push(pOSPkt, header_len), temp_header, header_len);
 942
 943     ph = (wlan_ng_prism2_header *) skb_push(pOSPkt, sizeof(wlan_ng_prism2_header));
 944         NdisZeroMemory(ph, sizeof(wlan_ng_prism2_header));
 945
 946     ph->msgcode             = DIDmsg_lnxind_wlansniffrm;
 947         ph->msglen                  = sizeof(wlan_ng_prism2_header);
 948         strcpy(ph->devname, pAd->net_dev->name);
 949
 950     ph->hosttime.did = DIDmsg_lnxind_wlansniffrm_hosttime;
 951         ph->hosttime.status = 0;
 952         ph->hosttime.len = 4;
 953         ph->hosttime.data = jiffies;
 954
 955         ph->mactime.did = DIDmsg_lnxind_wlansniffrm_mactime;
 956         ph->mactime.status = 0;
 957         ph->mactime.len = 0;
 958         ph->mactime.data = 0;
 959
 960     ph->istx.did = DIDmsg_lnxind_wlansniffrm_istx;
 961         ph->istx.status = 0;
 962         ph->istx.len = 0;
 963         ph->istx.data = 0;
 964
 965     ph->channel.did = DIDmsg_lnxind_wlansniffrm_channel;
 966         ph->channel.status = 0;
 967         ph->channel.len = 4;
 968
 969     ph->channel.data = (u_int32_t)pAd->CommonCfg.Channel;
 970
 971     ph->rssi.did = DIDmsg_lnxind_wlansniffrm_rssi;
 972         ph->rssi.status = 0;
 973         ph->rssi.len = 4;
 974     ph->rssi.data = (u_int32_t)RTMPMaxRssi(pAd, ConvertToRssi(pAd, pRxBlk->pRxWI->RSSI0, RSSI_0), ConvertToRssi(pAd, pRxBlk->pRxWI->RSSI1, RSSI_1), ConvertToRssi(pAd, pRxBlk->pRxWI->RSSI2, RSSI_2));;
 975
 976         ph->signal.did = DIDmsg_lnxind_wlansniffrm_signal;
 977         ph->signal.status = 0;
 978         ph->signal.len = 4;
 979         ph->signal.data = 0; //rssi + noise;
 980
 981         ph->noise.did = DIDmsg_lnxind_wlansniffrm_noise;
 982         ph->noise.status = 0;
 983         ph->noise.len = 4;
 984         ph->noise.data = 0;
 985
 986 #ifdef DOT11_N_SUPPORT
 987     if (pRxBlk->pRxWI->PHYMODE >= MODE_HTMIX)
 988     {
 989         rate_index = 16 + ((UCHAR)pRxBlk->pRxWI->BW *16) + ((UCHAR)pRxBlk->pRxWI->ShortGI *32) + ((UCHAR)pRxBlk->pRxWI->MCS);
 990     }
 991     else
 992 #endif // DOT11_N_SUPPORT //
 993         if (pRxBlk->pRxWI->PHYMODE == MODE_OFDM)
 994         rate_index = (UCHAR)(pRxBlk->pRxWI->MCS) + 4;
 995     else
 996         rate_index = (UCHAR)(pRxBlk->pRxWI->MCS);
 997     if (rate_index < 0)
 998         rate_index = 0;
 999     if (rate_index > 255)
1000         rate_index = 255;
1001
1002         ph->rate.did = DIDmsg_lnxind_wlansniffrm_rate;
1003         ph->rate.status = 0;
1004         ph->rate.len = 4;
1005     ph->rate.data = ralinkrate[rate_index];
1006
1007         ph->frmlen.did = DIDmsg_lnxind_wlansniffrm_frmlen;
1008     ph->frmlen.status = 0;
1009         ph->frmlen.len = 4;
1010         ph->frmlen.data = (u_int32_t)pRxBlk->DataSize;
1011
1012
1013     pOSPkt->pkt_type = PACKET_OTHERHOST;
1014     pOSPkt->protocol = eth_type_trans(pOSPkt, pOSPkt->dev);
1015     pOSPkt->ip_summed = CHECKSUM_NONE;
1016     netif_rx(pOSPkt);
1017
1018     return;
1019
1020 err_free_sk_buff:
1021         RELEASE_NDIS_PACKET(pAd, pRxBlk->pRxPacket, NDIS_STATUS_FAILURE);
1022         return;
1023
1024 }
1025
1026 void rtmp_os_thread_init(PUCHAR pThreadName, PVOID pNotify)
1027 {
1028         daemonize(pThreadName /*"%s",pAd->net_dev->name*/);
1029
1030         allow_signal(SIGTERM);
1031         allow_signal(SIGKILL);
1032         current->flags |= PF_NOFREEZE;
1033
1034         /* signal that we've started the thread */
1035         complete(pNotify);
1036 }
1037
1038 void RTMP_IndicateMediaState(
1039         IN      PRTMP_ADAPTER   pAd)
1040 {
1041         if (pAd->CommonCfg.bWirelessEvent)
1042         {
1043                 if (pAd->IndicateMediaState == NdisMediaStateConnected)
1044                 {
1045                         RTMPSendWirelessEvent(pAd, IW_STA_LINKUP_EVENT_FLAG, pAd->MacTab.Content[BSSID_WCID].Addr, BSS0, 0);
1046                 }
1047                 else
1048                 {
1049                         RTMPSendWirelessEvent(pAd, IW_STA_LINKDOWN_EVENT_FLAG, pAd->MacTab.Content[BSSID_WCID].Addr, BSS0, 0);
1050                 }
1051         }
1052 }
1053