drivers/staging/bcm/Qos.c

   1 /**
   2 @file Qos.C
   3 This file contains the routines related to Quality of Service.
   4 */
   5 #include "headers.h"
   6
   7 BOOLEAN MatchSrcIpAddress(S_CLASSIFIER_RULE *pstClassifierRule,ULONG ulSrcIP);
   8 BOOLEAN MatchTos(S_CLASSIFIER_RULE *pstClassifierRule,UCHAR ucTypeOfService);
   9 BOOLEAN MatchSrcPort(S_CLASSIFIER_RULE *pstClassifierRule,USHORT ushSrcPort);
  10 BOOLEAN MatchDestPort(S_CLASSIFIER_RULE *pstClassifierRule,USHORT ushDestPort);
  11 BOOLEAN MatchProtocol(S_CLASSIFIER_RULE *pstClassifierRule,UCHAR ucProtocol);
  12 BOOLEAN MatchDestIpAddress(S_CLASSIFIER_RULE *pstClassifierRule,ULONG ulDestIP);
  13 USHORT ClassifyPacket(PMINI_ADAPTER Adapter,struct sk_buff* skb);
  14 void EThCSGetPktInfo(PMINI_ADAPTER Adapter,PVOID pvEthPayload,PS_ETHCS_PKT_INFO pstEthCsPktInfo);
  15 BOOLEAN EThCSClassifyPkt(PMINI_ADAPTER Adapter,struct sk_buff* skb,PS_ETHCS_PKT_INFO pstEthCsPktInfo,S_CLASSIFIER_RULE *pstClassifierRule, B_UINT8 EthCSCupport);
  16
  17 /*******************************************************************
  18 * Function    - MatchSrcIpAddress()
  19 *
  20 * Description - Checks whether the Source IP address from the packet
  21 *                               matches with that of Queue.
  22 *
  23 * Parameters  - pstClassifierRule: Pointer to the packet info structure.
  24 *                         - ulSrcIP         : Source IP address from the packet.
  25 *
  26 * Returns     - TRUE(If address matches) else FAIL .
  27 *********************************************************************/
  28 BOOLEAN MatchSrcIpAddress(S_CLASSIFIER_RULE *pstClassifierRule,ULONG ulSrcIP)
  29 {
  30     UCHAR       ucLoopIndex=0;
  31
  32     PMINI_ADAPTER Adapter = GET_BCM_ADAPTER(gblpnetdev);
  33
  34     ulSrcIP=ntohl(ulSrcIP);
  35     if(0 == pstClassifierRule->ucIPSourceAddressLength)
  36         return TRUE;
  37     for(ucLoopIndex=0; ucLoopIndex < (pstClassifierRule->ucIPSourceAddressLength);ucLoopIndex++)
  38     {
  39                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_TX, IPV4_DBG, DBG_LVL_ALL, "Src Ip Address Mask:0x%x PacketIp:0x%x and Classification:0x%x", (UINT)pstClassifierRule->stSrcIpAddress.ulIpv4Mask[ucLoopIndex], (UINT)ulSrcIP, (UINT)pstClassifierRule->stSrcIpAddress.ulIpv6Addr[ucLoopIndex]);
  40                 if((pstClassifierRule->stSrcIpAddress.ulIpv4Mask[ucLoopIndex] & ulSrcIP)==
  41                                 (pstClassifierRule->stSrcIpAddress.ulIpv4Addr[ucLoopIndex] & pstClassifierRule->stSrcIpAddress.ulIpv4Mask[ucLoopIndex] ))
  42         {
  43                 return TRUE;
  44         }
  45     }
  46     BCM_DEBUG_PRINT(Adapter,DBG_TYPE_TX, IPV4_DBG, DBG_LVL_ALL, "Src Ip Address Not Matched");
  47         return FALSE;
  48 }
  49
  50
  51 /*******************************************************************
  52 * Function    - MatchDestIpAddress()
  53 *
  54 * Description - Checks whether the Destination IP address from the packet
  55 *                               matches with that of Queue.
  56 *
  57 * Parameters  - pstClassifierRule: Pointer to the packet info structure.
  58 *                         - ulDestIP    : Destination IP address from the packet.
  59 *
  60 * Returns     - TRUE(If address matches) else FAIL .
  61 *********************************************************************/
  62 BOOLEAN MatchDestIpAddress(S_CLASSIFIER_RULE *pstClassifierRule,ULONG ulDestIP)
  63 {
  64         UCHAR   ucLoopIndex=0;
  65     PMINI_ADAPTER       Adapter = GET_BCM_ADAPTER(gblpnetdev);
  66
  67         ulDestIP=ntohl(ulDestIP);
  68     if(0 == pstClassifierRule->ucIPDestinationAddressLength)
  69         return TRUE;
  70         BCM_DEBUG_PRINT(Adapter,DBG_TYPE_TX, IPV4_DBG, DBG_LVL_ALL, "Destination Ip Address 0x%x 0x%x 0x%x  ", (UINT)ulDestIP, (UINT)pstClassifierRule->stDestIpAddress.ulIpv4Mask[ucLoopIndex], (UINT)pstClassifierRule->stDestIpAddress.ulIpv4Addr[ucLoopIndex]);
  71
  72     for(ucLoopIndex=0;ucLoopIndex<(pstClassifierRule->ucIPDestinationAddressLength);ucLoopIndex++)
  73     {
  74                 if((pstClassifierRule->stDestIpAddress.ulIpv4Mask[ucLoopIndex] & ulDestIP)==
  75                                         (pstClassifierRule->stDestIpAddress.ulIpv4Addr[ucLoopIndex] & pstClassifierRule->stDestIpAddress.ulIpv4Mask[ucLoopIndex]))
  76         {
  77                 return TRUE;
  78         }
  79     }
  80         BCM_DEBUG_PRINT(Adapter,DBG_TYPE_TX, IPV4_DBG, DBG_LVL_ALL, "Destination Ip Address Not Matched");
  81     return FALSE;
  82 }
  83
  84
  85 /************************************************************************
  86 * Function    - MatchTos()
  87 *
  88 * Description - Checks the TOS from the packet matches with that of queue.
  89 *
  90 * Parameters  - pstClassifierRule   : Pointer to the packet info structure.
  91 *                         - ucTypeOfService: TOS from the packet.
  92 *
  93 * Returns     - TRUE(If address matches) else FAIL.
  94 **************************************************************************/
  95 BOOLEAN MatchTos(S_CLASSIFIER_RULE *pstClassifierRule,UCHAR ucTypeOfService)
  96 {
  97
  98         PMINI_ADAPTER Adapter = GET_BCM_ADAPTER(gblpnetdev);
  99     if( 3 != pstClassifierRule->ucIPTypeOfServiceLength )
 100         return TRUE;
 101
 102     if(((pstClassifierRule->ucTosMask & ucTypeOfService)<=pstClassifierRule->ucTosHigh) && ((pstClassifierRule->ucTosMask & ucTypeOfService)>=pstClassifierRule->ucTosLow))
 103     {
 104         return TRUE;
 105     }
 106     BCM_DEBUG_PRINT(Adapter,DBG_TYPE_TX, IPV4_DBG, DBG_LVL_ALL, "Type Of Service Not Matched");
 107     return FALSE;
 108 }
 109
 110
 111 /***************************************************************************
 112 * Function    - MatchProtocol()
 113 *
 114 * Description - Checks the protocol from the packet matches with that of queue.
 115 *
 116 * Parameters  - pstClassifierRule: Pointer to the packet info structure.
 117 *                         - ucProtocol  : Protocol from the packet.
 118 *
 119 * Returns     - TRUE(If address matches) else FAIL.
 120 ****************************************************************************/
 121 BOOLEAN MatchProtocol(S_CLASSIFIER_RULE *pstClassifierRule,UCHAR ucProtocol)
 122 {
 123         UCHAR   ucLoopIndex=0;
 124         PMINI_ADAPTER Adapter = GET_BCM_ADAPTER(gblpnetdev);
 125         if(0 == pstClassifierRule->ucProtocolLength)
 126         return TRUE;
 127         for(ucLoopIndex=0;ucLoopIndex<pstClassifierRule->ucProtocolLength;ucLoopIndex++)
 128     {
 129         BCM_DEBUG_PRINT(Adapter,DBG_TYPE_TX, IPV4_DBG, DBG_LVL_ALL, "Protocol:0x%X Classification Protocol:0x%X",ucProtocol,pstClassifierRule->ucProtocol[ucLoopIndex]);
 130         if(pstClassifierRule->ucProtocol[ucLoopIndex]==ucProtocol)
 131         {
 132                 return TRUE;
 133         }
 134     }
 135     BCM_DEBUG_PRINT(Adapter,DBG_TYPE_TX, IPV4_DBG, DBG_LVL_ALL, "Protocol Not Matched");
 136         return FALSE;
 137 }
 138
 139
 140 /***********************************************************************
 141 * Function    - MatchSrcPort()
 142 *
 143 * Description - Checks, Source port from the packet matches with that of queue.
 144 *
 145 * Parameters  - pstClassifierRule: Pointer to the packet info structure.
 146 *                         - ushSrcPort  : Source port from the packet.
 147 *
 148 * Returns     - TRUE(If address matches) else FAIL.
 149 ***************************************************************************/
 150 BOOLEAN MatchSrcPort(S_CLASSIFIER_RULE *pstClassifierRule,USHORT ushSrcPort)
 151 {
 152         UCHAR   ucLoopIndex=0;
 153
 154                 PMINI_ADAPTER Adapter = GET_BCM_ADAPTER(gblpnetdev);
 155
 156
 157         if(0 == pstClassifierRule->ucSrcPortRangeLength)
 158                 return TRUE;
 159         for(ucLoopIndex=0;ucLoopIndex<pstClassifierRule->ucSrcPortRangeLength;ucLoopIndex++)
 160         {
 161                 if(ushSrcPort <= pstClassifierRule->usSrcPortRangeHi[ucLoopIndex] &&
 162                     ushSrcPort >= pstClassifierRule->usSrcPortRangeLo[ucLoopIndex])
 163                 {
 164                         return TRUE;
 165                 }
 166         }
 167                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_TX, IPV4_DBG, DBG_LVL_ALL, "Src Port: %x Not Matched ",ushSrcPort);
 168         return FALSE;
 169 }
 170
 171
 172 /***********************************************************************
 173 * Function    - MatchDestPort()
 174 *
 175 * Description - Checks, Destination port from packet matches with that of queue.
 176 *
 177 * Parameters  - pstClassifierRule: Pointer to the packet info structure.
 178 *                         - ushDestPort : Destination port from the packet.
 179 *
 180 * Returns     - TRUE(If address matches) else FAIL.
 181 ***************************************************************************/
 182 BOOLEAN MatchDestPort(S_CLASSIFIER_RULE *pstClassifierRule,USHORT ushDestPort)
 183 {
 184         UCHAR   ucLoopIndex=0;
 185                 PMINI_ADAPTER Adapter = GET_BCM_ADAPTER(gblpnetdev);
 186
 187         if(0 == pstClassifierRule->ucDestPortRangeLength)
 188                 return TRUE;
 189
 190         for(ucLoopIndex=0;ucLoopIndex<pstClassifierRule->ucDestPortRangeLength;ucLoopIndex++)
 191         {
 192                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_TX, IPV4_DBG, DBG_LVL_ALL, "Matching Port:0x%X   0x%X  0x%X",ushDestPort,pstClassifierRule->usDestPortRangeLo[ucLoopIndex],pstClassifierRule->usDestPortRangeHi[ucLoopIndex]);
 193
 194                 if(ushDestPort <= pstClassifierRule->usDestPortRangeHi[ucLoopIndex] &&
 195                     ushDestPort >= pstClassifierRule->usDestPortRangeLo[ucLoopIndex])
 196                 {
 197                     return TRUE;
 198                 }
 199         }
 200                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_TX, IPV4_DBG, DBG_LVL_ALL, "Dest Port: %x Not Matched",ushDestPort);
 201         return FALSE;
 202 }
 203 /**
 204 @ingroup tx_functions
 205 Compares IPV4 Ip address and port number
 206 @return Queue Index.
 207 */
 208 USHORT  IpVersion4(PMINI_ADAPTER Adapter, /**< Pointer to the driver control structure */
 209                                         struct iphdr *iphd, /**<Pointer to the IP Hdr of the packet*/
 210                                         S_CLASSIFIER_RULE *pstClassifierRule )
 211 {
 212         //IPHeaderFormat                *pIpHeader=NULL;
 213         xporthdr                *xprt_hdr=NULL;
 214         BOOLEAN bClassificationSucceed=FALSE;
 215
 216         BCM_DEBUG_PRINT(Adapter,DBG_TYPE_TX, IPV4_DBG, DBG_LVL_ALL, "========>");
 217
 218         xprt_hdr=(xporthdr *)((PUCHAR)iphd + sizeof(struct iphdr));
 219
 220         do {
 221                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_TX, IPV4_DBG, DBG_LVL_ALL, "Trying to see Direction = %d %d",
 222                         pstClassifierRule->ucDirection,
 223                         pstClassifierRule->usVCID_Value);
 224
 225                 //Checking classifier validity
 226                 if(!pstClassifierRule->bUsed || pstClassifierRule->ucDirection == DOWNLINK_DIR)
 227                 {
 228                         bClassificationSucceed = FALSE;
 229                         break;
 230                 }
 231
 232                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_TX, IPV4_DBG, DBG_LVL_ALL, "is IPv6 check!");
 233                 if(pstClassifierRule->bIpv6Protocol)
 234                         break;
 235
 236                 //**************Checking IP header parameter**************************//
 237                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_TX, IPV4_DBG, DBG_LVL_ALL, "Trying to match Source IP Address");
 238                 if(FALSE == (bClassificationSucceed =
 239                         MatchSrcIpAddress(pstClassifierRule, iphd->saddr)))
 240                         break;
 241                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_TX, IPV4_DBG, DBG_LVL_ALL, "Source IP Address Matched");
 242
 243                 if(FALSE == (bClassificationSucceed =
 244                         MatchDestIpAddress(pstClassifierRule, iphd->daddr)))
 245                         break;
 246                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_TX, IPV4_DBG, DBG_LVL_ALL, "Destination IP Address Matched");
 247
 248                 if(FALSE == (bClassificationSucceed =
 249                         MatchTos(pstClassifierRule, iphd->tos)))
 250                 {
 251                         BCM_DEBUG_PRINT(Adapter,DBG_TYPE_TX, IPV4_DBG, DBG_LVL_ALL, "TOS Match failed\n");
 252                         break;
 253                 }
 254                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_TX, IPV4_DBG, DBG_LVL_ALL, "TOS Matched");
 255
 256                 if(FALSE == (bClassificationSucceed =
 257                         MatchProtocol(pstClassifierRule,iphd->protocol)))
 258                         break;
 259                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_TX, IPV4_DBG, DBG_LVL_ALL, "Protocol Matched");
 260
 261                 //if protocol is not TCP or UDP then no need of comparing source port and destination port
 262                 if(iphd->protocol!=TCP && iphd->protocol!=UDP)
 263                         break;
 264 #if 0
 265                 //check if memory is available of src and Dest port
 266                 if(ETH_AND_IP_HEADER_LEN + L4_SRC_PORT_LEN + L4_DEST_PORT_LEN > Packet->len)
 267                 {
 268                         //This is not an erroneous condition and pkt will be checked for next classification.
 269                         bClassificationSucceed = FALSE;
 270                         break;
 271                 }
 272 #endif
 273                 //******************Checking Transport Layer Header field if present *****************//
 274                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_TX, IPV4_DBG, DBG_LVL_ALL, "Source Port %04x",
 275                         (iphd->protocol==UDP)?xprt_hdr->uhdr.source:xprt_hdr->thdr.source);
 276
 277                 if(FALSE == (bClassificationSucceed =
 278                         MatchSrcPort(pstClassifierRule,
 279                                 ntohs((iphd->protocol == UDP)?
 280                                 xprt_hdr->uhdr.source:xprt_hdr->thdr.source))))
 281                         break;
 282                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_TX, IPV4_DBG, DBG_LVL_ALL, "Src Port Matched");
 283
 284                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_TX, IPV4_DBG, DBG_LVL_ALL, "Destination Port %04x",
 285                         (iphd->protocol==UDP)?xprt_hdr->uhdr.dest:
 286                         xprt_hdr->thdr.dest);
 287                 if(FALSE == (bClassificationSucceed =
 288                         MatchDestPort(pstClassifierRule,
 289                         ntohs((iphd->protocol == UDP)?
 290                         xprt_hdr->uhdr.dest:xprt_hdr->thdr.dest))))
 291                         break;
 292         } while(0);
 293
 294         if(TRUE==bClassificationSucceed)
 295         {
 296                 INT iMatchedSFQueueIndex = 0;
 297                 iMatchedSFQueueIndex = SearchSfid(Adapter,pstClassifierRule->ulSFID);
 298                 if(iMatchedSFQueueIndex >= NO_OF_QUEUES)
 299                 {
 300                         bClassificationSucceed = FALSE;
 301                 }
 302                 else
 303                 {
 304                         if(FALSE == Adapter->PackInfo[iMatchedSFQueueIndex].bActive)
 305                         {
 306                                 bClassificationSucceed = FALSE;
 307                         }
 308                 }
 309         }
 310
 311         BCM_DEBUG_PRINT(Adapter,DBG_TYPE_TX, IPV4_DBG, DBG_LVL_ALL, "IpVersion4 <==========");
 312
 313         return bClassificationSucceed;
 314 }
 315 /**
 316 @ingroup tx_functions
 317 @return  Queue Index based on priority.
 318 */
 319 USHORT GetPacketQueueIndex(PMINI_ADAPTER Adapter, /**<Pointer to the driver control structure */
 320                                                                 struct sk_buff* Packet /**< Pointer to the Packet to be sent*/
 321                                                                 )
 322 {
 323         USHORT                  usIndex=-1;
 324         BCM_DEBUG_PRINT(Adapter,DBG_TYPE_TX, QUEUE_INDEX, DBG_LVL_ALL, "=====>");
 325
 326         if(NULL==Adapter || NULL==Packet)
 327         {
 328                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_TX, QUEUE_INDEX, DBG_LVL_ALL, "Got NULL Values<======");
 329                 return -1;
 330         }
 331
 332         usIndex = ClassifyPacket(Adapter,Packet);
 333
 334         BCM_DEBUG_PRINT(Adapter,DBG_TYPE_TX, QUEUE_INDEX, DBG_LVL_ALL, "Got Queue Index %x",usIndex);
 335         BCM_DEBUG_PRINT(Adapter,DBG_TYPE_TX, QUEUE_INDEX, DBG_LVL_ALL, "GetPacketQueueIndex <==============");
 336         return usIndex;
 337 }
 338
 339 VOID PruneQueueAllSF(PMINI_ADAPTER Adapter)
 340 {
 341         UINT iIndex = 0;
 342
 343         for(iIndex = 0; iIndex < HiPriority; iIndex++)
 344         {
 345                 if(!Adapter->PackInfo[iIndex].bValid)
 346                         continue;
 347
 348                 PruneQueue(Adapter, iIndex);
 349         }
 350 }
 351
 352
 353 /**
 354 @ingroup tx_functions
 355 This function checks if the max queue size for a queue
 356 is less than number of bytes in the queue. If so -
 357 drops packets from the Head till the number of bytes is
 358 less than or equal to max queue size for the queue.
 359 */
 360 VOID PruneQueue(PMINI_ADAPTER Adapter,/**<Pointer to the driver control structure*/
 361                                         INT iIndex/**<Queue Index*/
 362                                         )
 363 {
 364         struct sk_buff* PacketToDrop=NULL;
 365         struct net_device_stats *netstats;
 366
 367         BCM_DEBUG_PRINT(Adapter,DBG_TYPE_TX, PRUNE_QUEUE, DBG_LVL_ALL, "=====> Index %d",iIndex);
 368
 369         if(iIndex == HiPriority)
 370                 return;
 371
 372         if(!Adapter || (iIndex < 0) || (iIndex > HiPriority))
 373                 return;
 374
 375         /* To Store the netdevice statistic */
 376         netstats = &Adapter->dev->stats;
 377
 378         spin_lock_bh(&Adapter->PackInfo[iIndex].SFQueueLock);
 379
 380         while(1)
 381 //      while((UINT)Adapter->PackInfo[iIndex].uiCurrentPacketsOnHost >
 382 //              SF_MAX_ALLOWED_PACKETS_TO_BACKUP)
 383         {
 384                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_TX, PRUNE_QUEUE, DBG_LVL_ALL, "uiCurrentBytesOnHost:%x uiMaxBucketSize :%x",
 385                 Adapter->PackInfo[iIndex].uiCurrentBytesOnHost,
 386                 Adapter->PackInfo[iIndex].uiMaxBucketSize);
 387
 388                 PacketToDrop = Adapter->PackInfo[iIndex].FirstTxQueue;
 389
 390                 if(PacketToDrop == NULL)
 391                         break;
 392                 if((Adapter->PackInfo[iIndex].uiCurrentPacketsOnHost < SF_MAX_ALLOWED_PACKETS_TO_BACKUP) &&
 393                         ((1000*(jiffies - *((B_UINT32 *)(PacketToDrop->cb)+SKB_CB_LATENCY_OFFSET))/HZ) <= Adapter->PackInfo[iIndex].uiMaxLatency))
 394                         break;
 395
 396                 if(PacketToDrop)
 397                 {
 398                         if(netstats)
 399                                 netstats->tx_dropped++;
 400                         atomic_inc(&Adapter->TxDroppedPacketCount);
 401                         DEQUEUEPACKET(Adapter->PackInfo[iIndex].FirstTxQueue,
 402                                                 Adapter->PackInfo[iIndex].LastTxQueue);
 403                         /// update current bytes and packets count
 404                         Adapter->PackInfo[iIndex].uiCurrentBytesOnHost -=
 405                                 PacketToDrop->len;
 406                         Adapter->PackInfo[iIndex].uiCurrentPacketsOnHost--;
 407                         /// update dropped bytes and packets counts
 408                         Adapter->PackInfo[iIndex].uiDroppedCountBytes += PacketToDrop->len;
 409                         Adapter->PackInfo[iIndex].uiDroppedCountPackets++;
 410                         dev_kfree_skb(PacketToDrop);
 411
 412                 }
 413
 414                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_TX, PRUNE_QUEUE, DBG_LVL_ALL, "Dropped Bytes:%x Dropped Packets:%x",
 415                         Adapter->PackInfo[iIndex].uiDroppedCountBytes,
 416                         Adapter->PackInfo[iIndex].uiDroppedCountPackets);
 417
 418                 atomic_dec(&Adapter->TotalPacketCount);
 419                 Adapter->bcm_jiffies = jiffies;
 420         }
 421
 422         spin_unlock_bh(&Adapter->PackInfo[iIndex].SFQueueLock);
 423
 424         BCM_DEBUG_PRINT(Adapter,DBG_TYPE_TX, PRUNE_QUEUE, DBG_LVL_ALL, "TotalPacketCount:%x",
 425                 atomic_read(&Adapter->TotalPacketCount));
 426         BCM_DEBUG_PRINT(Adapter,DBG_TYPE_TX, PRUNE_QUEUE, DBG_LVL_ALL, "<=====");
 427 }
 428
 429 VOID flush_all_queues(PMINI_ADAPTER Adapter)
 430 {
 431         INT             iQIndex;
 432         UINT    uiTotalPacketLength;
 433         struct sk_buff*                         PacketToDrop=NULL;
 434         struct net_device_stats*        netstats=&Adapter->dev->stats;
 435
 436         BCM_DEBUG_PRINT(Adapter,DBG_TYPE_OTHERS, DUMP_INFO, DBG_LVL_ALL, "=====>");
 437
 438 //      down(&Adapter->data_packet_queue_lock);
 439         for(iQIndex=LowPriority; iQIndex<HiPriority; iQIndex++)
 440         {
 441                 spin_lock_bh(&Adapter->PackInfo[iQIndex].SFQueueLock);
 442                 while(Adapter->PackInfo[iQIndex].FirstTxQueue)
 443                 {
 444                         PacketToDrop = Adapter->PackInfo[iQIndex].FirstTxQueue;
 445                         if(PacketToDrop)
 446                         {
 447                                 uiTotalPacketLength = PacketToDrop->len;
 448                                 netstats->tx_dropped++;
 449                                 atomic_inc(&Adapter->TxDroppedPacketCount);
 450                         }
 451                         else
 452                                 uiTotalPacketLength = 0;
 453
 454                         DEQUEUEPACKET(Adapter->PackInfo[iQIndex].FirstTxQueue,
 455                                                 Adapter->PackInfo[iQIndex].LastTxQueue);
 456
 457                         /* Free the skb */
 458                         dev_kfree_skb(PacketToDrop);
 459
 460                         /// update current bytes and packets count
 461                         Adapter->PackInfo[iQIndex].uiCurrentBytesOnHost -= uiTotalPacketLength;
 462                         Adapter->PackInfo[iQIndex].uiCurrentPacketsOnHost--;
 463
 464                         /// update dropped bytes and packets counts
 465                         Adapter->PackInfo[iQIndex].uiDroppedCountBytes += uiTotalPacketLength;
 466                         Adapter->PackInfo[iQIndex].uiDroppedCountPackets++;
 467
 468                         BCM_DEBUG_PRINT(Adapter,DBG_TYPE_OTHERS, DUMP_INFO, DBG_LVL_ALL, "Dropped Bytes:%x Dropped Packets:%x",
 469                                         Adapter->PackInfo[iQIndex].uiDroppedCountBytes,
 470                                         Adapter->PackInfo[iQIndex].uiDroppedCountPackets);
 471                         atomic_dec(&Adapter->TotalPacketCount);
 472                 }
 473                 spin_unlock_bh(&Adapter->PackInfo[iQIndex].SFQueueLock);
 474         }
 475 //      up(&Adapter->data_packet_queue_lock);
 476         BCM_DEBUG_PRINT(Adapter,DBG_TYPE_OTHERS, DUMP_INFO, DBG_LVL_ALL, "<=====");
 477 }
 478
 479 USHORT ClassifyPacket(PMINI_ADAPTER Adapter,struct sk_buff* skb)
 480 {
 481         INT                     uiLoopIndex=0;
 482         S_CLASSIFIER_RULE *pstClassifierRule = NULL;
 483         S_ETHCS_PKT_INFO stEthCsPktInfo;
 484         PVOID pvEThPayload = NULL;
 485         struct iphdr            *pIpHeader = NULL;
 486         INT       uiSfIndex=0;
 487         USHORT  usIndex=Adapter->usBestEffortQueueIndex;
 488         BOOLEAN bFragmentedPkt=FALSE,bClassificationSucceed=FALSE;
 489         USHORT  usCurrFragment =0;
 490
 491         PTCP_HEADER pTcpHeader;
 492         UCHAR IpHeaderLength;
 493         UCHAR TcpHeaderLength;
 494
 495         pvEThPayload = skb->data;
 496         *((UINT32*) (skb->cb) +SKB_CB_TCPACK_OFFSET ) = 0;
 497         EThCSGetPktInfo(Adapter,pvEThPayload,&stEthCsPktInfo);
 498
 499         switch(stEthCsPktInfo.eNwpktEthFrameType)
 500         {
 501                 case eEth802LLCFrame:
 502                 {
 503                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV4_DBG, DBG_LVL_ALL, "ClassifyPacket : 802LLCFrame\n");
 504             pIpHeader = pvEThPayload + sizeof(ETH_CS_802_LLC_FRAME);
 505                         break;
 506                 }
 507
 508                 case eEth802LLCSNAPFrame:
 509                 {
 510                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV4_DBG, DBG_LVL_ALL, "ClassifyPacket : 802LLC SNAP Frame\n");
 511                         pIpHeader = pvEThPayload + sizeof(ETH_CS_802_LLC_SNAP_FRAME);
 512                         break;
 513                 }
 514                 case eEth802QVLANFrame:
 515                 {
 516                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV4_DBG, DBG_LVL_ALL, "ClassifyPacket : 802.1Q VLANFrame\n");
 517                         pIpHeader = pvEThPayload + sizeof(ETH_CS_802_Q_FRAME);
 518                         break;
 519                 }
 520                 case eEthOtherFrame:
 521                 {
 522                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV4_DBG, DBG_LVL_ALL, "ClassifyPacket : ETH Other Frame\n");
 523                         pIpHeader = pvEThPayload + sizeof(ETH_CS_ETH2_FRAME);
 524                         break;
 525                 }
 526                 default:
 527                 {
 528                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV4_DBG, DBG_LVL_ALL, "ClassifyPacket : Unrecognized ETH Frame\n");
 529                         pIpHeader = pvEThPayload + sizeof(ETH_CS_ETH2_FRAME);
 530                         break;
 531                 }
 532         }
 533
 534         if(stEthCsPktInfo.eNwpktIPFrameType == eIPv4Packet)
 535         {
 536                 usCurrFragment = (ntohs(pIpHeader->frag_off) & IP_OFFSET);
 537                 if((ntohs(pIpHeader->frag_off) & IP_MF) || usCurrFragment)
 538                         bFragmentedPkt = TRUE;
 539
 540                 if(bFragmentedPkt)
 541                 {
 542                                 //Fragmented  Packet. Get Frag Classifier Entry.
 543                         pstClassifierRule = GetFragIPClsEntry(Adapter,pIpHeader->id, pIpHeader->saddr);
 544                         if(pstClassifierRule)
 545                         {
 546                                         BCM_DEBUG_PRINT(Adapter,DBG_TYPE_TX, IPV4_DBG, DBG_LVL_ALL,"It is next Fragmented pkt");
 547                                         bClassificationSucceed=TRUE;
 548                         }
 549                         if(!(ntohs(pIpHeader->frag_off) & IP_MF))
 550                         {
 551                                 //Fragmented Last packet . Remove Frag Classifier Entry
 552                                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_TX, IPV4_DBG, DBG_LVL_ALL,"This is the last fragmented Pkt");
 553                                 DelFragIPClsEntry(Adapter,pIpHeader->id, pIpHeader->saddr);
 554                         }
 555                 }
 556         }
 557
 558         for(uiLoopIndex = MAX_CLASSIFIERS - 1; uiLoopIndex >= 0; uiLoopIndex--)
 559         {
 560                 if (Adapter->device_removed)
 561                 {
 562                         bClassificationSucceed = FALSE;
 563                         break;
 564                 }
 565
 566                 if(bClassificationSucceed)
 567                         break;
 568                 //Iterate through all classifiers which are already in order of priority
 569                 //to classify the packet until match found
 570                 do
 571                 {
 572                         if(FALSE==Adapter->astClassifierTable[uiLoopIndex].bUsed)
 573                         {
 574                                 bClassificationSucceed=FALSE;
 575                                 break;
 576                         }
 577                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV4_DBG, DBG_LVL_ALL,  "Adapter->PackInfo[%d].bvalid=True\n",uiLoopIndex);
 578
 579                         if(0 == Adapter->astClassifierTable[uiLoopIndex].ucDirection)
 580                         {
 581                                 bClassificationSucceed=FALSE;//cannot be processed for classification.
 582                                 break;                                          // it is a down link connection
 583                         }
 584
 585                         pstClassifierRule = &Adapter->astClassifierTable[uiLoopIndex];
 586
 587                         uiSfIndex = SearchSfid(Adapter,pstClassifierRule->ulSFID);
 588                         if (uiSfIndex >= NO_OF_QUEUES) {
 589                                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV4_DBG, DBG_LVL_ALL,  "Queue Not Valid. SearchSfid for this classifier Failed\n");
 590                                 break;
 591                         }
 592
 593                         if(Adapter->PackInfo[uiSfIndex].bEthCSSupport)
 594                         {
 595
 596                                 if(eEthUnsupportedFrame==stEthCsPktInfo.eNwpktEthFrameType)
 597                                 {
 598                                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV4_DBG, DBG_LVL_ALL,  " ClassifyPacket : Packet Not a Valid Supported Ethernet Frame \n");
 599                                         bClassificationSucceed = FALSE;
 600                                         break;
 601                                 }
 602
 603
 604
 605                                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV4_DBG, DBG_LVL_ALL,  "Performing ETH CS Classification on Classifier Rule ID : %x Service Flow ID : %lx\n",pstClassifierRule->uiClassifierRuleIndex,Adapter->PackInfo[uiSfIndex].ulSFID);
 606                                 bClassificationSucceed = EThCSClassifyPkt(Adapter,skb,&stEthCsPktInfo,pstClassifierRule, Adapter->PackInfo[uiSfIndex].bEthCSSupport);
 607
 608                                 if(!bClassificationSucceed)
 609                                 {
 610                                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV4_DBG, DBG_LVL_ALL,  "ClassifyPacket : Ethernet CS Classification Failed\n");
 611                                         break;
 612                                 }
 613                         }
 614
 615                         else // No ETH Supported on this SF
 616                         {
 617                                 if(eEthOtherFrame != stEthCsPktInfo.eNwpktEthFrameType)
 618                                 {
 619                                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV4_DBG, DBG_LVL_ALL,  " ClassifyPacket : Packet Not a 802.3 Ethernet Frame... hence not allowed over non-ETH CS SF \n");
 620                                         bClassificationSucceed = FALSE;
 621                                         break;
 622                                 }
 623                         }
 624
 625                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV4_DBG, DBG_LVL_ALL,  "Proceeding to IP CS Clasification");
 626
 627                         if(Adapter->PackInfo[uiSfIndex].bIPCSSupport)
 628                         {
 629
 630                                 if(stEthCsPktInfo.eNwpktIPFrameType == eNonIPPacket)
 631                                 {
 632                                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV4_DBG, DBG_LVL_ALL,  " ClassifyPacket : Packet is Not an IP Packet \n");
 633                                         bClassificationSucceed = FALSE;
 634                                         break;
 635                                 }
 636                                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV4_DBG, DBG_LVL_ALL,  "Dump IP Header : \n");
 637                                 DumpFullPacket((PUCHAR)pIpHeader,20);
 638
 639                                 if(stEthCsPktInfo.eNwpktIPFrameType == eIPv4Packet)
 640                                         bClassificationSucceed = IpVersion4(Adapter,pIpHeader,pstClassifierRule);
 641                                 else if(stEthCsPktInfo.eNwpktIPFrameType == eIPv6Packet)
 642                                         bClassificationSucceed = IpVersion6(Adapter,pIpHeader,pstClassifierRule);
 643                         }
 644
 645                 }while(0);
 646         }
 647
 648         if(bClassificationSucceed == TRUE)
 649         {
 650                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_TX, IPV4_DBG, DBG_LVL_ALL, "CF id : %d, SF ID is =%lu",pstClassifierRule->uiClassifierRuleIndex, pstClassifierRule->ulSFID);
 651
 652                 //Store The matched Classifier in SKB
 653                 *((UINT32*)(skb->cb)+SKB_CB_CLASSIFICATION_OFFSET) = pstClassifierRule->uiClassifierRuleIndex;
 654                 if((TCP == pIpHeader->protocol ) && !bFragmentedPkt && (ETH_AND_IP_HEADER_LEN + TCP_HEADER_LEN <= skb->len) )
 655                 {
 656                          IpHeaderLength   = pIpHeader->ihl;
 657                          pTcpHeader = (PTCP_HEADER)(((PUCHAR)pIpHeader)+(IpHeaderLength*4));
 658                          TcpHeaderLength  = GET_TCP_HEADER_LEN(pTcpHeader->HeaderLength);
 659
 660                         if((pTcpHeader->ucFlags & TCP_ACK) &&
 661                            (ntohs(pIpHeader->tot_len) == (IpHeaderLength*4)+(TcpHeaderLength*4)))
 662                         {
 663                         *((UINT32*) (skb->cb) +SKB_CB_TCPACK_OFFSET ) = TCP_ACK;
 664                         }
 665                 }
 666
 667                 usIndex = SearchSfid(Adapter, pstClassifierRule->ulSFID);
 668                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_TX, IPV4_DBG, DBG_LVL_ALL, "index is   =%d", usIndex);
 669
 670                 //If this is the first fragment of a Fragmented pkt, add this CF. Only This CF should be used for all other fragment of this Pkt.
 671                 if(bFragmentedPkt && (usCurrFragment == 0))
 672                 {
 673                         //First Fragment of Fragmented Packet. Create Frag CLS Entry
 674                         S_FRAGMENTED_PACKET_INFO stFragPktInfo;
 675                         stFragPktInfo.bUsed = TRUE;
 676                         stFragPktInfo.ulSrcIpAddress = pIpHeader->saddr;
 677                         stFragPktInfo.usIpIdentification = pIpHeader->id;
 678                         stFragPktInfo.pstMatchedClassifierEntry = pstClassifierRule;
 679                         stFragPktInfo.bOutOfOrderFragment = FALSE;
 680                         AddFragIPClsEntry(Adapter,&stFragPktInfo);
 681                 }
 682
 683
 684         }
 685
 686         if(bClassificationSucceed)
 687                 return usIndex;
 688         else
 689                 return INVALID_QUEUE_INDEX;
 690 }
 691
 692 static BOOLEAN EthCSMatchSrcMACAddress(S_CLASSIFIER_RULE *pstClassifierRule,PUCHAR Mac)
 693 {
 694         UINT i=0;
 695     PMINI_ADAPTER Adapter = GET_BCM_ADAPTER(gblpnetdev);
 696         if(pstClassifierRule->ucEthCSSrcMACLen==0)
 697                 return TRUE;
 698         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV4_DBG, DBG_LVL_ALL,  "%s \n",__FUNCTION__);
 699         for(i=0;i<MAC_ADDRESS_SIZE;i++)
 700         {
 701                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV4_DBG, DBG_LVL_ALL,  "SRC MAC[%x] = %x ClassifierRuleSrcMAC = %x Mask : %x\n",i,Mac[i],pstClassifierRule->au8EThCSSrcMAC[i],pstClassifierRule->au8EThCSSrcMACMask[i]);
 702                 if((pstClassifierRule->au8EThCSSrcMAC[i] & pstClassifierRule->au8EThCSSrcMACMask[i])!=
 703                         (Mac[i] & pstClassifierRule->au8EThCSSrcMACMask[i]))
 704                         return FALSE;
 705         }
 706         return TRUE;
 707 }
 708
 709 static BOOLEAN EthCSMatchDestMACAddress(S_CLASSIFIER_RULE *pstClassifierRule,PUCHAR Mac)
 710 {
 711         UINT i=0;
 712     PMINI_ADAPTER Adapter = GET_BCM_ADAPTER(gblpnetdev);
 713         if(pstClassifierRule->ucEthCSDestMACLen==0)
 714                 return TRUE;
 715         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV4_DBG, DBG_LVL_ALL,  "%s \n",__FUNCTION__);
 716         for(i=0;i<MAC_ADDRESS_SIZE;i++)
 717         {
 718                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV4_DBG, DBG_LVL_ALL,  "SRC MAC[%x] = %x ClassifierRuleSrcMAC = %x Mask : %x\n",i,Mac[i],pstClassifierRule->au8EThCSDestMAC[i],pstClassifierRule->au8EThCSDestMACMask[i]);
 719                 if((pstClassifierRule->au8EThCSDestMAC[i] & pstClassifierRule->au8EThCSDestMACMask[i])!=
 720                         (Mac[i] & pstClassifierRule->au8EThCSDestMACMask[i]))
 721                         return FALSE;
 722         }
 723         return TRUE;
 724 }
 725
 726 static BOOLEAN EthCSMatchEThTypeSAP(S_CLASSIFIER_RULE *pstClassifierRule,struct sk_buff* skb,PS_ETHCS_PKT_INFO pstEthCsPktInfo)
 727 {
 728     PMINI_ADAPTER Adapter = GET_BCM_ADAPTER(gblpnetdev);
 729         if((pstClassifierRule->ucEtherTypeLen==0)||
 730                 (pstClassifierRule->au8EthCSEtherType[0] == 0))
 731                 return TRUE;
 732
 733         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV4_DBG, DBG_LVL_ALL,  "%s SrcEtherType:%x CLS EtherType[0]:%x\n",__FUNCTION__,pstEthCsPktInfo->usEtherType,pstClassifierRule->au8EthCSEtherType[0]);
 734         if(pstClassifierRule->au8EthCSEtherType[0] == 1)
 735         {
 736                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV4_DBG, DBG_LVL_ALL,  "%s  CLS EtherType[1]:%x EtherType[2]:%x\n",__FUNCTION__,pstClassifierRule->au8EthCSEtherType[1],pstClassifierRule->au8EthCSEtherType[2]);
 737
 738                 if(memcmp(&pstEthCsPktInfo->usEtherType,&pstClassifierRule->au8EthCSEtherType[1],2)==0)
 739                         return TRUE;
 740                 else
 741                         return FALSE;
 742         }
 743
 744         if(pstClassifierRule->au8EthCSEtherType[0] == 2)
 745         {
 746                 if(eEth802LLCFrame != pstEthCsPktInfo->eNwpktEthFrameType)
 747                         return FALSE;
 748
 749                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV4_DBG, DBG_LVL_ALL,  "%s  EthCS DSAP:%x EtherType[2]:%x\n",__FUNCTION__,pstEthCsPktInfo->ucDSAP,pstClassifierRule->au8EthCSEtherType[2]);
 750                 if(pstEthCsPktInfo->ucDSAP == pstClassifierRule->au8EthCSEtherType[2])
 751                         return TRUE;
 752                 else
 753                         return FALSE;
 754
 755         }
 756
 757         return FALSE;
 758
 759 }
 760
 761 static BOOLEAN EthCSMatchVLANRules(S_CLASSIFIER_RULE *pstClassifierRule,struct sk_buff* skb,PS_ETHCS_PKT_INFO pstEthCsPktInfo)
 762 {
 763         BOOLEAN bClassificationSucceed = FALSE;
 764         USHORT usVLANID;
 765         B_UINT8 uPriority = 0;
 766     PMINI_ADAPTER Adapter = GET_BCM_ADAPTER(gblpnetdev);
 767
 768         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV4_DBG, DBG_LVL_ALL,  "%s  CLS UserPrio:%x CLS VLANID:%x\n",__FUNCTION__,ntohs(*((USHORT *)pstClassifierRule->usUserPriority)),pstClassifierRule->usVLANID);
 769
 770         /* In case FW didn't recieve the TLV, the priority field should be ignored */
 771         if(pstClassifierRule->usValidityBitMap & (1<<PKT_CLASSIFICATION_USER_PRIORITY_VALID))
 772         {
 773                 if(pstEthCsPktInfo->eNwpktEthFrameType!=eEth802QVLANFrame)
 774                                 return FALSE;
 775
 776                 uPriority = (ntohs(*(USHORT *)(skb->data + sizeof(ETH_HEADER_STRUC))) & 0xF000) >> 13;
 777
 778                 if((uPriority >= pstClassifierRule->usUserPriority[0]) && (uPriority <= pstClassifierRule->usUserPriority[1]))
 779                                 bClassificationSucceed = TRUE;
 780
 781                 if(!bClassificationSucceed)
 782                         return FALSE;
 783         }
 784
 785         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV4_DBG, DBG_LVL_ALL,  "ETH CS 802.1 D  User Priority Rule Matched\n");
 786
 787         bClassificationSucceed = FALSE;
 788
 789         if(pstClassifierRule->usValidityBitMap & (1<<PKT_CLASSIFICATION_VLANID_VALID))
 790         {
 791                 if(pstEthCsPktInfo->eNwpktEthFrameType!=eEth802QVLANFrame)
 792                                 return FALSE;
 793
 794                 usVLANID = ntohs(*(USHORT *)(skb->data + sizeof(ETH_HEADER_STRUC))) & 0xFFF;
 795
 796                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV4_DBG, DBG_LVL_ALL,  "%s  Pkt VLANID %x Priority: %d\n",__FUNCTION__,usVLANID, uPriority);
 797
 798                 if(usVLANID == ((pstClassifierRule->usVLANID & 0xFFF0) >> 4))
 799                         bClassificationSucceed = TRUE;
 800
 801                 if(!bClassificationSucceed)
 802                         return FALSE;
 803         }
 804
 805         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV4_DBG, DBG_LVL_ALL,  "ETH CS 802.1 Q VLAN ID Rule Matched\n");
 806
 807         return TRUE;
 808 }
 809
 810
 811 BOOLEAN EThCSClassifyPkt(PMINI_ADAPTER Adapter,struct sk_buff* skb,PS_ETHCS_PKT_INFO pstEthCsPktInfo,S_CLASSIFIER_RULE *pstClassifierRule, B_UINT8 EthCSCupport)
 812 {
 813         BOOLEAN bClassificationSucceed = FALSE;
 814         bClassificationSucceed = EthCSMatchSrcMACAddress(pstClassifierRule,((ETH_HEADER_STRUC *)(skb->data))->au8SourceAddress);
 815         if(!bClassificationSucceed)
 816                 return FALSE;
 817         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV4_DBG, DBG_LVL_ALL,  "ETH CS SrcMAC Matched\n");
 818
 819         bClassificationSucceed = EthCSMatchDestMACAddress(pstClassifierRule,((ETH_HEADER_STRUC*)(skb->data))->au8DestinationAddress);
 820         if(!bClassificationSucceed)
 821                 return FALSE;
 822         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV4_DBG, DBG_LVL_ALL,  "ETH CS DestMAC Matched\n");
 823
 824         //classify on ETHType/802.2SAP TLV
 825         bClassificationSucceed = EthCSMatchEThTypeSAP(pstClassifierRule,skb,pstEthCsPktInfo);
 826         if(!bClassificationSucceed)
 827                 return FALSE;
 828
 829         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV4_DBG, DBG_LVL_ALL,  "ETH CS EthType/802.2SAP Matched\n");
 830
 831         //classify on 802.1VLAN Header Parameters
 832
 833         bClassificationSucceed = EthCSMatchVLANRules(pstClassifierRule,skb,pstEthCsPktInfo);
 834         if(!bClassificationSucceed)
 835                 return FALSE;
 836         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV4_DBG, DBG_LVL_ALL,  "ETH CS 802.1 VLAN Rules Matched\n");
 837
 838         return bClassificationSucceed;
 839 }
 840
 841 void EThCSGetPktInfo(PMINI_ADAPTER Adapter,PVOID pvEthPayload,PS_ETHCS_PKT_INFO pstEthCsPktInfo)
 842 {
 843         USHORT u16Etype = ntohs(((ETH_HEADER_STRUC*)pvEthPayload)->u16Etype);
 844         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV4_DBG, DBG_LVL_ALL,  "EthCSGetPktInfo : Eth Hdr Type : %X\n",u16Etype);
 845         if(u16Etype > 0x5dc)
 846         {
 847                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV4_DBG, DBG_LVL_ALL,  "EthCSGetPktInfo : ETH2 Frame \n");
 848                 //ETH2 Frame
 849                 if(u16Etype == ETHERNET_FRAMETYPE_802QVLAN)
 850                 {
 851                         //802.1Q VLAN Header
 852                         pstEthCsPktInfo->eNwpktEthFrameType = eEth802QVLANFrame;
 853                         u16Etype = ((ETH_CS_802_Q_FRAME*)pvEthPayload)->EthType;
 854                         //((ETH_CS_802_Q_FRAME*)pvEthPayload)->UserPriority
 855                 }
 856                 else
 857                 {
 858                         pstEthCsPktInfo->eNwpktEthFrameType = eEthOtherFrame;
 859                         u16Etype = ntohs(u16Etype);
 860                 }
 861
 862         }
 863         else
 864         {
 865                 //802.2 LLC
 866                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV4_DBG, DBG_LVL_ALL,  "802.2 LLC Frame \n");
 867                 pstEthCsPktInfo->eNwpktEthFrameType = eEth802LLCFrame;
 868                 pstEthCsPktInfo->ucDSAP = ((ETH_CS_802_LLC_FRAME*)pvEthPayload)->DSAP;
 869                 if(pstEthCsPktInfo->ucDSAP == 0xAA && ((ETH_CS_802_LLC_FRAME*)pvEthPayload)->SSAP == 0xAA)
 870                 {
 871                         //SNAP Frame
 872                         pstEthCsPktInfo->eNwpktEthFrameType = eEth802LLCSNAPFrame;
 873                         u16Etype = ((ETH_CS_802_LLC_SNAP_FRAME*)pvEthPayload)->usEtherType;
 874                 }
 875         }
 876         if(u16Etype == ETHERNET_FRAMETYPE_IPV4)
 877                 pstEthCsPktInfo->eNwpktIPFrameType = eIPv4Packet;
 878         else if(u16Etype == ETHERNET_FRAMETYPE_IPV6)
 879                 pstEthCsPktInfo->eNwpktIPFrameType = eIPv6Packet;
 880         else
 881                 pstEthCsPktInfo->eNwpktIPFrameType = eNonIPPacket;
 882
 883         pstEthCsPktInfo->usEtherType = ((ETH_HEADER_STRUC*)pvEthPayload)->u16Etype;
 884         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV4_DBG, DBG_LVL_ALL,  "EthCsPktInfo->eNwpktIPFrameType : %x\n",pstEthCsPktInfo->eNwpktIPFrameType);
 885         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV4_DBG, DBG_LVL_ALL,  "EthCsPktInfo->eNwpktEthFrameType : %x\n",pstEthCsPktInfo->eNwpktEthFrameType);
 886         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV4_DBG, DBG_LVL_ALL,  "EthCsPktInfo->usEtherType : %x\n",pstEthCsPktInfo->usEtherType);
 887 }
 888
 889
 890