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