Stephen Hemminger | f8942e0 | 2010-09-08 14:46:36 -0700 | [diff] [blame] | 1 | #include "headers.h" |
| 2 | |
Stephen Hemminger | 9dd47ee | 2010-11-01 12:24:00 -0400 | [diff] [blame] | 3 | static BOOLEAN MatchSrcIpv6Address(S_CLASSIFIER_RULE *pstClassifierRule,IPV6Header *pstIpv6Header); |
| 4 | static BOOLEAN MatchDestIpv6Address(S_CLASSIFIER_RULE *pstClassifierRule,IPV6Header *pstIpv6Header); |
| 5 | static VOID DumpIpv6Header(IPV6Header *pstIpv6Header); |
| 6 | |
Arnd Bergmann | 44a17eff | 2010-09-30 10:24:12 +0200 | [diff] [blame] | 7 | static UCHAR * GetNextIPV6ChainedHeader(UCHAR **ppucPayload,UCHAR *pucNextHeader,BOOLEAN *bParseDone,USHORT *pusPayloadLength) |
Stephen Hemminger | f8942e0 | 2010-09-08 14:46:36 -0700 | [diff] [blame] | 8 | { |
| 9 | UCHAR *pucRetHeaderPtr = NULL; |
| 10 | UCHAR *pucPayloadPtr = NULL; |
| 11 | USHORT usNextHeaderOffset = 0 ; |
Max Tottenham | 26908c9 | 2012-04-03 12:35:24 +0100 | [diff] [blame^] | 12 | PMINI_ADAPTER Adapter = GET_BCM_ADAPTER(gblpnetdev); |
Stephen Hemminger | f8942e0 | 2010-09-08 14:46:36 -0700 | [diff] [blame] | 13 | |
Max Tottenham | 26908c9 | 2012-04-03 12:35:24 +0100 | [diff] [blame^] | 14 | if ((NULL == ppucPayload) || (*pusPayloadLength == 0) || |
| 15 | (*bParseDone)) { |
Stephen Hemminger | f8942e0 | 2010-09-08 14:46:36 -0700 | [diff] [blame] | 16 | *bParseDone = TRUE; |
| 17 | return NULL; |
Stephen Hemminger | f8942e0 | 2010-09-08 14:46:36 -0700 | [diff] [blame] | 18 | } |
| 19 | |
| 20 | pucRetHeaderPtr = *ppucPayload; |
| 21 | pucPayloadPtr = *ppucPayload; |
| 22 | |
Max Tottenham | 26908c9 | 2012-04-03 12:35:24 +0100 | [diff] [blame^] | 23 | if (!pucRetHeaderPtr || !pucPayloadPtr) { |
Stephen Hemminger | f8942e0 | 2010-09-08 14:46:36 -0700 | [diff] [blame] | 24 | *bParseDone = TRUE; |
| 25 | return NULL; |
| 26 | } |
| 27 | |
| 28 | //Get the Nextt Header Type |
| 29 | *bParseDone = FALSE; |
| 30 | |
| 31 | |
Max Tottenham | 26908c9 | 2012-04-03 12:35:24 +0100 | [diff] [blame^] | 32 | switch (*pucNextHeader) { |
Stephen Hemminger | f8942e0 | 2010-09-08 14:46:36 -0700 | [diff] [blame] | 33 | case IPV6HDR_TYPE_HOPBYHOP: |
| 34 | { |
| 35 | |
| 36 | BCM_DEBUG_PRINT( Adapter,DBG_TYPE_TX, IPV6_DBG, DBG_LVL_ALL, "\nIPv6 HopByHop Header"); |
| 37 | usNextHeaderOffset+=sizeof(IPV6HopByHopOptionsHeader); |
| 38 | } |
| 39 | break; |
| 40 | |
| 41 | case IPV6HDR_TYPE_ROUTING: |
| 42 | { |
| 43 | IPV6RoutingHeader *pstIpv6RoutingHeader; |
| 44 | BCM_DEBUG_PRINT( Adapter,DBG_TYPE_TX, IPV6_DBG, DBG_LVL_ALL, "\nIPv6 Routing Header"); |
| 45 | pstIpv6RoutingHeader = (IPV6RoutingHeader *)pucPayloadPtr; |
| 46 | usNextHeaderOffset += sizeof(IPV6RoutingHeader); |
| 47 | usNextHeaderOffset += pstIpv6RoutingHeader->ucNumAddresses * IPV6_ADDRESS_SIZEINBYTES; |
| 48 | |
| 49 | } |
| 50 | break; |
| 51 | case IPV6HDR_TYPE_FRAGMENTATION: |
| 52 | { |
| 53 | BCM_DEBUG_PRINT( Adapter,DBG_TYPE_TX, IPV6_DBG, DBG_LVL_ALL, "\nIPv6 Fragmentation Header"); |
| 54 | usNextHeaderOffset+= sizeof(IPV6FragmentHeader); |
| 55 | |
| 56 | } |
| 57 | break; |
| 58 | case IPV6HDR_TYPE_DESTOPTS: |
| 59 | { |
| 60 | IPV6DestOptionsHeader *pstIpv6DestOptsHdr = (IPV6DestOptionsHeader *)pucPayloadPtr; |
| 61 | int nTotalOptions = pstIpv6DestOptsHdr->ucHdrExtLen; |
| 62 | BCM_DEBUG_PRINT( Adapter,DBG_TYPE_TX, IPV6_DBG, DBG_LVL_ALL, "\nIPv6 DestOpts Header Header"); |
| 63 | usNextHeaderOffset+= sizeof(IPV6DestOptionsHeader); |
| 64 | usNextHeaderOffset+= nTotalOptions * IPV6_DESTOPTS_HDR_OPTIONSIZE ; |
| 65 | |
| 66 | } |
| 67 | break; |
| 68 | case IPV6HDR_TYPE_AUTHENTICATION: |
| 69 | { |
| 70 | IPV6AuthenticationHeader *pstIpv6AuthHdr = (IPV6AuthenticationHeader *)pucPayloadPtr; |
| 71 | int nHdrLen = pstIpv6AuthHdr->ucLength; |
| 72 | BCM_DEBUG_PRINT( Adapter,DBG_TYPE_TX, IPV6_DBG, DBG_LVL_ALL, "\nIPv6 Authentication Header"); |
| 73 | usNextHeaderOffset+= nHdrLen * 4; |
| 74 | } |
| 75 | break; |
| 76 | case IPV6HDR_TYPE_ENCRYPTEDSECURITYPAYLOAD: |
| 77 | { |
| 78 | BCM_DEBUG_PRINT( Adapter,DBG_TYPE_TX, IPV6_DBG, DBG_LVL_ALL, "\nIPv6 Encrypted Security Payload Header"); |
| 79 | *bParseDone = TRUE; |
| 80 | |
| 81 | } |
| 82 | break; |
| 83 | case IPV6_ICMP_HDR_TYPE: |
| 84 | { |
| 85 | BCM_DEBUG_PRINT( Adapter,DBG_TYPE_TX, IPV6_DBG, DBG_LVL_ALL, " ICMP Header"); |
| 86 | *bParseDone = TRUE; |
| 87 | } |
| 88 | break; |
| 89 | case TCP_HEADER_TYPE: |
| 90 | { |
| 91 | BCM_DEBUG_PRINT( Adapter,DBG_TYPE_TX, IPV6_DBG, DBG_LVL_ALL, " \nTCP Header"); |
| 92 | *bParseDone = TRUE; |
| 93 | } |
| 94 | break; |
| 95 | case UDP_HEADER_TYPE: |
| 96 | { |
| 97 | BCM_DEBUG_PRINT( Adapter,DBG_TYPE_TX, IPV6_DBG, DBG_LVL_ALL, " \nUDP Header"); |
| 98 | *bParseDone = TRUE; |
| 99 | } |
| 100 | break; |
Max Tottenham | 26908c9 | 2012-04-03 12:35:24 +0100 | [diff] [blame^] | 101 | default: |
Stephen Hemminger | f8942e0 | 2010-09-08 14:46:36 -0700 | [diff] [blame] | 102 | { |
| 103 | *bParseDone = TRUE; |
| 104 | |
| 105 | } |
| 106 | break; |
| 107 | |
| 108 | |
| 109 | } |
| 110 | |
Max Tottenham | 26908c9 | 2012-04-03 12:35:24 +0100 | [diff] [blame^] | 111 | if (*bParseDone == FALSE) { |
| 112 | if(*pusPayloadLength <= usNextHeaderOffset) { |
Stephen Hemminger | f8942e0 | 2010-09-08 14:46:36 -0700 | [diff] [blame] | 113 | *bParseDone = TRUE; |
Max Tottenham | 26908c9 | 2012-04-03 12:35:24 +0100 | [diff] [blame^] | 114 | } else { |
Stephen Hemminger | f8942e0 | 2010-09-08 14:46:36 -0700 | [diff] [blame] | 115 | *pucNextHeader = *pucPayloadPtr; |
Max Tottenham | 26908c9 | 2012-04-03 12:35:24 +0100 | [diff] [blame^] | 116 | pucPayloadPtr += usNextHeaderOffset; |
| 117 | (*pusPayloadLength) -= usNextHeaderOffset; |
Stephen Hemminger | f8942e0 | 2010-09-08 14:46:36 -0700 | [diff] [blame] | 118 | } |
| 119 | |
| 120 | } |
| 121 | |
Stephen Hemminger | f8942e0 | 2010-09-08 14:46:36 -0700 | [diff] [blame] | 122 | *ppucPayload = pucPayloadPtr; |
| 123 | return pucRetHeaderPtr; |
| 124 | } |
| 125 | |
| 126 | |
Arnd Bergmann | 44a17eff | 2010-09-30 10:24:12 +0200 | [diff] [blame] | 127 | static UCHAR GetIpv6ProtocolPorts(UCHAR *pucPayload,USHORT *pusSrcPort,USHORT *pusDestPort,USHORT usPayloadLength,UCHAR ucNextHeader) |
Stephen Hemminger | f8942e0 | 2010-09-08 14:46:36 -0700 | [diff] [blame] | 128 | { |
| 129 | UCHAR *pIpv6HdrScanContext = pucPayload; |
| 130 | BOOLEAN bDone = FALSE; |
| 131 | UCHAR ucHeaderType =0; |
| 132 | UCHAR *pucNextHeader = NULL; |
Max Tottenham | 26908c9 | 2012-04-03 12:35:24 +0100 | [diff] [blame^] | 133 | PMINI_ADAPTER Adapter = GET_BCM_ADAPTER(gblpnetdev); |
Stephen Hemminger | f8942e0 | 2010-09-08 14:46:36 -0700 | [diff] [blame] | 134 | |
Max Tottenham | 26908c9 | 2012-04-03 12:35:24 +0100 | [diff] [blame^] | 135 | if ( !pucPayload || (usPayloadLength == 0)) { |
Stephen Hemminger | f8942e0 | 2010-09-08 14:46:36 -0700 | [diff] [blame] | 136 | return 0; |
| 137 | } |
| 138 | |
| 139 | *pusSrcPort = *pusDestPort = 0; |
| 140 | ucHeaderType = ucNextHeader; |
Max Tottenham | 26908c9 | 2012-04-03 12:35:24 +0100 | [diff] [blame^] | 141 | while (!bDone) { |
Stephen Hemminger | f8942e0 | 2010-09-08 14:46:36 -0700 | [diff] [blame] | 142 | pucNextHeader = GetNextIPV6ChainedHeader(&pIpv6HdrScanContext,&ucHeaderType,&bDone,&usPayloadLength); |
Max Tottenham | 26908c9 | 2012-04-03 12:35:24 +0100 | [diff] [blame^] | 143 | if(bDone) { |
| 144 | if((ucHeaderType==TCP_HEADER_TYPE) || (ucHeaderType == UDP_HEADER_TYPE)) { |
Stephen Hemminger | f8942e0 | 2010-09-08 14:46:36 -0700 | [diff] [blame] | 145 | *pusSrcPort=*((PUSHORT)(pucNextHeader)); |
| 146 | *pusDestPort=*((PUSHORT)(pucNextHeader+2)); |
| 147 | BCM_DEBUG_PRINT( Adapter,DBG_TYPE_TX, IPV6_DBG, DBG_LVL_ALL, " \nProtocol Ports - Src Port :0x%x Dest Port : 0x%x",ntohs(*pusSrcPort),ntohs(*pusDestPort)); |
| 148 | } |
| 149 | break; |
| 150 | |
| 151 | } |
| 152 | } |
| 153 | return ucHeaderType; |
| 154 | } |
| 155 | |
| 156 | |
| 157 | |
| 158 | USHORT IpVersion6(PMINI_ADAPTER Adapter, /**< Pointer to the driver control structure */ |
| 159 | PVOID pcIpHeader, /**<Pointer to the IP Hdr of the packet*/ |
| 160 | S_CLASSIFIER_RULE *pstClassifierRule ) |
| 161 | { |
| 162 | USHORT ushDestPort = 0; |
| 163 | USHORT ushSrcPort = 0; |
| 164 | UCHAR ucNextProtocolAboveIP =0; |
| 165 | IPV6Header *pstIpv6Header = NULL; |
| 166 | BOOLEAN bClassificationSucceed = FALSE; |
| 167 | |
| 168 | BCM_DEBUG_PRINT( Adapter,DBG_TYPE_TX, IPV6_DBG, DBG_LVL_ALL, "IpVersion6 ==========>\n"); |
| 169 | |
| 170 | pstIpv6Header = (IPV6Header *)pcIpHeader; |
| 171 | |
| 172 | DumpIpv6Header(pstIpv6Header); |
| 173 | |
| 174 | //Try to get the next higher layer protocol and the Ports Nos if TCP or UDP |
| 175 | ucNextProtocolAboveIP = GetIpv6ProtocolPorts((UCHAR *)(pcIpHeader + sizeof(IPV6Header)), |
| 176 | &ushSrcPort, |
| 177 | &ushDestPort, |
| 178 | pstIpv6Header->usPayloadLength, |
| 179 | pstIpv6Header->ucNextHeader); |
| 180 | |
Max Tottenham | 26908c9 | 2012-04-03 12:35:24 +0100 | [diff] [blame^] | 181 | do { |
| 182 | if (0 == pstClassifierRule->ucDirection) { |
Stephen Hemminger | f8942e0 | 2010-09-08 14:46:36 -0700 | [diff] [blame] | 183 | //cannot be processed for classification. |
| 184 | // it is a down link connection |
| 185 | break; |
| 186 | } |
| 187 | |
Max Tottenham | 26908c9 | 2012-04-03 12:35:24 +0100 | [diff] [blame^] | 188 | if (!pstClassifierRule->bIpv6Protocol) { |
Stephen Hemminger | f8942e0 | 2010-09-08 14:46:36 -0700 | [diff] [blame] | 189 | //We are looking for Ipv6 Classifiers . Lets ignore this classifier and try the next one. |
| 190 | break; |
| 191 | } |
| 192 | |
| 193 | bClassificationSucceed=MatchSrcIpv6Address(pstClassifierRule,pstIpv6Header); |
Max Tottenham | 26908c9 | 2012-04-03 12:35:24 +0100 | [diff] [blame^] | 194 | if (!bClassificationSucceed) |
| 195 | break; |
Stephen Hemminger | f8942e0 | 2010-09-08 14:46:36 -0700 | [diff] [blame] | 196 | |
Max Tottenham | 26908c9 | 2012-04-03 12:35:24 +0100 | [diff] [blame^] | 197 | bClassificationSucceed=MatchDestIpv6Address(pstClassifierRule,pstIpv6Header); |
| 198 | if (!bClassificationSucceed) |
| 199 | break; |
Stephen Hemminger | f8942e0 | 2010-09-08 14:46:36 -0700 | [diff] [blame] | 200 | |
| 201 | //Match the protocol type.For IPv6 the next protocol at end of Chain of IPv6 prot headers |
| 202 | bClassificationSucceed=MatchProtocol(pstClassifierRule,ucNextProtocolAboveIP); |
Max Tottenham | 26908c9 | 2012-04-03 12:35:24 +0100 | [diff] [blame^] | 203 | if (!bClassificationSucceed) |
| 204 | break; |
| 205 | BCM_DEBUG_PRINT( Adapter,DBG_TYPE_TX, IPV6_DBG, DBG_LVL_ALL, "\nIPv6 Protocol Matched"); |
Stephen Hemminger | f8942e0 | 2010-09-08 14:46:36 -0700 | [diff] [blame] | 206 | |
Max Tottenham | 26908c9 | 2012-04-03 12:35:24 +0100 | [diff] [blame^] | 207 | if ((ucNextProtocolAboveIP == TCP_HEADER_TYPE) || (ucNextProtocolAboveIP == UDP_HEADER_TYPE)) { |
Stephen Hemminger | f8942e0 | 2010-09-08 14:46:36 -0700 | [diff] [blame] | 208 | //Match Src Port |
| 209 | BCM_DEBUG_PRINT( Adapter,DBG_TYPE_TX, IPV6_DBG, DBG_LVL_ALL, "\nIPv6 Source Port:%x\n",ntohs(ushSrcPort)); |
| 210 | bClassificationSucceed=MatchSrcPort(pstClassifierRule,ntohs(ushSrcPort)); |
Max Tottenham | 26908c9 | 2012-04-03 12:35:24 +0100 | [diff] [blame^] | 211 | if (!bClassificationSucceed) |
Stephen Hemminger | f8942e0 | 2010-09-08 14:46:36 -0700 | [diff] [blame] | 212 | break; |
| 213 | |
| 214 | BCM_DEBUG_PRINT( Adapter,DBG_TYPE_TX, IPV6_DBG, DBG_LVL_ALL, "\nIPv6 Src Port Matched"); |
| 215 | |
| 216 | //Match Dest Port |
| 217 | BCM_DEBUG_PRINT( Adapter,DBG_TYPE_TX, IPV6_DBG, DBG_LVL_ALL, "\nIPv6 Destination Port:%x\n",ntohs(ushDestPort)); |
| 218 | bClassificationSucceed=MatchDestPort(pstClassifierRule,ntohs(ushDestPort)); |
Max Tottenham | 26908c9 | 2012-04-03 12:35:24 +0100 | [diff] [blame^] | 219 | if (!bClassificationSucceed) |
Stephen Hemminger | f8942e0 | 2010-09-08 14:46:36 -0700 | [diff] [blame] | 220 | break; |
| 221 | BCM_DEBUG_PRINT( Adapter,DBG_TYPE_TX, IPV6_DBG, DBG_LVL_ALL, "\nIPv6 Dest Port Matched"); |
| 222 | } |
Max Tottenham | 26908c9 | 2012-04-03 12:35:24 +0100 | [diff] [blame^] | 223 | } while (0); |
Stephen Hemminger | f8942e0 | 2010-09-08 14:46:36 -0700 | [diff] [blame] | 224 | |
Max Tottenham | 26908c9 | 2012-04-03 12:35:24 +0100 | [diff] [blame^] | 225 | if (TRUE == bClassificationSucceed) { |
Stephen Hemminger | f8942e0 | 2010-09-08 14:46:36 -0700 | [diff] [blame] | 226 | INT iMatchedSFQueueIndex = 0; |
| 227 | iMatchedSFQueueIndex = SearchSfid(Adapter,pstClassifierRule->ulSFID); |
Max Tottenham | 26908c9 | 2012-04-03 12:35:24 +0100 | [diff] [blame^] | 228 | if(iMatchedSFQueueIndex >= NO_OF_QUEUES) { |
Stephen Hemminger | f8942e0 | 2010-09-08 14:46:36 -0700 | [diff] [blame] | 229 | bClassificationSucceed = FALSE; |
Max Tottenham | 26908c9 | 2012-04-03 12:35:24 +0100 | [diff] [blame^] | 230 | } else { |
| 231 | if (FALSE == Adapter->PackInfo[iMatchedSFQueueIndex].bActive) { |
Stephen Hemminger | f8942e0 | 2010-09-08 14:46:36 -0700 | [diff] [blame] | 232 | bClassificationSucceed = FALSE; |
| 233 | } |
| 234 | } |
| 235 | } |
| 236 | |
| 237 | return bClassificationSucceed; |
| 238 | } |
| 239 | |
| 240 | |
Stephen Hemminger | 9dd47ee | 2010-11-01 12:24:00 -0400 | [diff] [blame] | 241 | static BOOLEAN MatchSrcIpv6Address(S_CLASSIFIER_RULE *pstClassifierRule,IPV6Header *pstIpv6Header) |
Stephen Hemminger | f8942e0 | 2010-09-08 14:46:36 -0700 | [diff] [blame] | 242 | { |
Max Tottenham | 26908c9 | 2012-04-03 12:35:24 +0100 | [diff] [blame^] | 243 | UINT uiLoopIndex = 0; |
| 244 | UINT uiIpv6AddIndex = 0; |
| 245 | UINT uiIpv6AddrNoLongWords = 4; |
Stephen Hemminger | f8942e0 | 2010-09-08 14:46:36 -0700 | [diff] [blame] | 246 | ULONG aulSrcIP[4]; |
Max Tottenham | 26908c9 | 2012-04-03 12:35:24 +0100 | [diff] [blame^] | 247 | PMINI_ADAPTER Adapter = GET_BCM_ADAPTER(gblpnetdev); |
Stephen Hemminger | f8942e0 | 2010-09-08 14:46:36 -0700 | [diff] [blame] | 248 | /* |
| 249 | //This is the no. of Src Addresses ie Range of IP Addresses contained |
| 250 | //in the classifier rule for which we need to match |
| 251 | */ |
| 252 | UINT uiCountIPSrcAddresses = (UINT)pstClassifierRule->ucIPSourceAddressLength; |
| 253 | |
| 254 | |
Max Tottenham | 26908c9 | 2012-04-03 12:35:24 +0100 | [diff] [blame^] | 255 | if (0 == uiCountIPSrcAddresses) |
Stephen Hemminger | f8942e0 | 2010-09-08 14:46:36 -0700 | [diff] [blame] | 256 | return TRUE; |
| 257 | |
| 258 | |
| 259 | //First Convert the Ip Address in the packet to Host Endian order |
Max Tottenham | 26908c9 | 2012-04-03 12:35:24 +0100 | [diff] [blame^] | 260 | for (uiIpv6AddIndex = 0; uiIpv6AddIndex<uiIpv6AddrNoLongWords; uiIpv6AddIndex++) { |
Stephen Hemminger | f8942e0 | 2010-09-08 14:46:36 -0700 | [diff] [blame] | 261 | aulSrcIP[uiIpv6AddIndex]=ntohl(pstIpv6Header->ulSrcIpAddress[uiIpv6AddIndex]); |
| 262 | } |
| 263 | |
Max Tottenham | 26908c9 | 2012-04-03 12:35:24 +0100 | [diff] [blame^] | 264 | for (uiLoopIndex = 0; uiLoopIndex<uiCountIPSrcAddresses; uiLoopIndex += uiIpv6AddrNoLongWords) { |
Lucas De Marchi | 25985ed | 2011-03-30 22:57:33 -0300 | [diff] [blame] | 265 | BCM_DEBUG_PRINT( Adapter,DBG_TYPE_TX, IPV6_DBG, DBG_LVL_ALL, "\n Src Ipv6 Address In Received Packet : \n "); |
Stephen Hemminger | f8942e0 | 2010-09-08 14:46:36 -0700 | [diff] [blame] | 266 | DumpIpv6Address(aulSrcIP); |
| 267 | BCM_DEBUG_PRINT( Adapter,DBG_TYPE_TX, IPV6_DBG, DBG_LVL_ALL, "\n Src Ipv6 Mask In Classifier Rule: \n"); |
| 268 | DumpIpv6Address(&pstClassifierRule->stSrcIpAddress.ulIpv6Mask[uiLoopIndex]); |
| 269 | BCM_DEBUG_PRINT( Adapter,DBG_TYPE_TX, IPV6_DBG, DBG_LVL_ALL, "\n Src Ipv6 Address In Classifier Rule : \n"); |
| 270 | DumpIpv6Address(&pstClassifierRule->stSrcIpAddress.ulIpv6Addr[uiLoopIndex]); |
| 271 | |
Max Tottenham | 26908c9 | 2012-04-03 12:35:24 +0100 | [diff] [blame^] | 272 | for (uiIpv6AddIndex = 0; uiIpv6AddIndex < uiIpv6AddrNoLongWords; uiIpv6AddIndex++) { |
| 273 | if ((pstClassifierRule->stSrcIpAddress.ulIpv6Mask[uiLoopIndex+uiIpv6AddIndex] & aulSrcIP[uiIpv6AddIndex]) |
| 274 | != pstClassifierRule->stSrcIpAddress.ulIpv6Addr[uiLoopIndex+uiIpv6AddIndex]) { |
Stephen Hemminger | f8942e0 | 2010-09-08 14:46:36 -0700 | [diff] [blame] | 275 | //Match failed for current Ipv6 Address.Try next Ipv6 Address |
| 276 | break; |
| 277 | } |
| 278 | |
Max Tottenham | 26908c9 | 2012-04-03 12:35:24 +0100 | [diff] [blame^] | 279 | if (uiIpv6AddIndex == uiIpv6AddrNoLongWords-1) { |
Stephen Hemminger | f8942e0 | 2010-09-08 14:46:36 -0700 | [diff] [blame] | 280 | //Match Found |
| 281 | BCM_DEBUG_PRINT( Adapter,DBG_TYPE_TX, IPV6_DBG, DBG_LVL_ALL, "Ipv6 Src Ip Address Matched\n"); |
| 282 | return TRUE; |
| 283 | } |
| 284 | } |
| 285 | } |
| 286 | return FALSE; |
| 287 | } |
| 288 | |
Stephen Hemminger | 9dd47ee | 2010-11-01 12:24:00 -0400 | [diff] [blame] | 289 | static BOOLEAN MatchDestIpv6Address(S_CLASSIFIER_RULE *pstClassifierRule,IPV6Header *pstIpv6Header) |
Stephen Hemminger | f8942e0 | 2010-09-08 14:46:36 -0700 | [diff] [blame] | 290 | { |
Max Tottenham | 26908c9 | 2012-04-03 12:35:24 +0100 | [diff] [blame^] | 291 | UINT uiLoopIndex = 0; |
| 292 | UINT uiIpv6AddIndex = 0; |
| 293 | UINT uiIpv6AddrNoLongWords = 4; |
Stephen Hemminger | f8942e0 | 2010-09-08 14:46:36 -0700 | [diff] [blame] | 294 | ULONG aulDestIP[4]; |
Max Tottenham | 26908c9 | 2012-04-03 12:35:24 +0100 | [diff] [blame^] | 295 | PMINI_ADAPTER Adapter = GET_BCM_ADAPTER(gblpnetdev); |
Stephen Hemminger | f8942e0 | 2010-09-08 14:46:36 -0700 | [diff] [blame] | 296 | /* |
| 297 | //This is the no. of Destination Addresses ie Range of IP Addresses contained |
| 298 | //in the classifier rule for which we need to match |
| 299 | */ |
| 300 | UINT uiCountIPDestinationAddresses = (UINT)pstClassifierRule->ucIPDestinationAddressLength; |
| 301 | |
| 302 | |
Max Tottenham | 26908c9 | 2012-04-03 12:35:24 +0100 | [diff] [blame^] | 303 | if (0 == uiCountIPDestinationAddresses) |
Stephen Hemminger | f8942e0 | 2010-09-08 14:46:36 -0700 | [diff] [blame] | 304 | return TRUE; |
| 305 | |
| 306 | |
| 307 | //First Convert the Ip Address in the packet to Host Endian order |
Max Tottenham | 26908c9 | 2012-04-03 12:35:24 +0100 | [diff] [blame^] | 308 | for (uiIpv6AddIndex = 0;uiIpv6AddIndex < uiIpv6AddrNoLongWords; uiIpv6AddIndex++) { |
Stephen Hemminger | f8942e0 | 2010-09-08 14:46:36 -0700 | [diff] [blame] | 309 | aulDestIP[uiIpv6AddIndex]=ntohl(pstIpv6Header->ulDestIpAddress[uiIpv6AddIndex]); |
| 310 | } |
| 311 | |
Max Tottenham | 26908c9 | 2012-04-03 12:35:24 +0100 | [diff] [blame^] | 312 | for (uiLoopIndex = 0;uiLoopIndex < uiCountIPDestinationAddresses; uiLoopIndex += uiIpv6AddrNoLongWords) { |
Lucas De Marchi | 25985ed | 2011-03-30 22:57:33 -0300 | [diff] [blame] | 313 | BCM_DEBUG_PRINT( Adapter,DBG_TYPE_TX, IPV6_DBG, DBG_LVL_ALL, "\n Destination Ipv6 Address In Received Packet : \n "); |
Stephen Hemminger | f8942e0 | 2010-09-08 14:46:36 -0700 | [diff] [blame] | 314 | DumpIpv6Address(aulDestIP); |
| 315 | BCM_DEBUG_PRINT( Adapter,DBG_TYPE_TX, IPV6_DBG, DBG_LVL_ALL, "\n Destination Ipv6 Mask In Classifier Rule: \n"); |
| 316 | DumpIpv6Address(&pstClassifierRule->stDestIpAddress.ulIpv6Mask[uiLoopIndex]); |
| 317 | BCM_DEBUG_PRINT( Adapter,DBG_TYPE_TX, IPV6_DBG, DBG_LVL_ALL, "\n Destination Ipv6 Address In Classifier Rule : \n"); |
| 318 | DumpIpv6Address(&pstClassifierRule->stDestIpAddress.ulIpv6Addr[uiLoopIndex]); |
| 319 | |
Max Tottenham | 26908c9 | 2012-04-03 12:35:24 +0100 | [diff] [blame^] | 320 | for (uiIpv6AddIndex = 0; uiIpv6AddIndex < uiIpv6AddrNoLongWords; uiIpv6AddIndex++) { |
| 321 | if ((pstClassifierRule->stDestIpAddress.ulIpv6Mask[uiLoopIndex+uiIpv6AddIndex] & aulDestIP[uiIpv6AddIndex]) |
| 322 | != pstClassifierRule->stDestIpAddress.ulIpv6Addr[uiLoopIndex+uiIpv6AddIndex]) { |
Stephen Hemminger | f8942e0 | 2010-09-08 14:46:36 -0700 | [diff] [blame] | 323 | //Match failed for current Ipv6 Address.Try next Ipv6 Address |
| 324 | break; |
| 325 | } |
| 326 | |
Max Tottenham | 26908c9 | 2012-04-03 12:35:24 +0100 | [diff] [blame^] | 327 | if (uiIpv6AddIndex == uiIpv6AddrNoLongWords-1) { |
Stephen Hemminger | f8942e0 | 2010-09-08 14:46:36 -0700 | [diff] [blame] | 328 | //Match Found |
| 329 | BCM_DEBUG_PRINT( Adapter,DBG_TYPE_TX, IPV6_DBG, DBG_LVL_ALL, "Ipv6 Destination Ip Address Matched\n"); |
| 330 | return TRUE; |
| 331 | } |
| 332 | } |
| 333 | } |
| 334 | return FALSE; |
| 335 | |
| 336 | } |
| 337 | |
| 338 | VOID DumpIpv6Address(ULONG *puIpv6Address) |
| 339 | { |
| 340 | UINT uiIpv6AddrNoLongWords = 4; |
Max Tottenham | 26908c9 | 2012-04-03 12:35:24 +0100 | [diff] [blame^] | 341 | UINT uiIpv6AddIndex = 0; |
| 342 | PMINI_ADAPTER Adapter = GET_BCM_ADAPTER(gblpnetdev); |
| 343 | for (uiIpv6AddIndex = 0; uiIpv6AddIndex < uiIpv6AddrNoLongWords; uiIpv6AddIndex++) { |
Stephen Hemminger | f8942e0 | 2010-09-08 14:46:36 -0700 | [diff] [blame] | 344 | BCM_DEBUG_PRINT( Adapter,DBG_TYPE_TX, IPV6_DBG, DBG_LVL_ALL, ":%lx",puIpv6Address[uiIpv6AddIndex]); |
| 345 | } |
| 346 | |
| 347 | } |
| 348 | |
Stephen Hemminger | 9dd47ee | 2010-11-01 12:24:00 -0400 | [diff] [blame] | 349 | static VOID DumpIpv6Header(IPV6Header *pstIpv6Header) |
Stephen Hemminger | f8942e0 | 2010-09-08 14:46:36 -0700 | [diff] [blame] | 350 | { |
| 351 | UCHAR ucVersion; |
Max Tottenham | 26908c9 | 2012-04-03 12:35:24 +0100 | [diff] [blame^] | 352 | UCHAR ucPrio; |
| 353 | PMINI_ADAPTER Adapter = GET_BCM_ADAPTER(gblpnetdev); |
Stephen Hemminger | f8942e0 | 2010-09-08 14:46:36 -0700 | [diff] [blame] | 354 | BCM_DEBUG_PRINT( Adapter,DBG_TYPE_TX, IPV6_DBG, DBG_LVL_ALL, "----Ipv6 Header---"); |
| 355 | ucVersion = pstIpv6Header->ucVersionPrio & 0xf0; |
| 356 | BCM_DEBUG_PRINT( Adapter,DBG_TYPE_TX, IPV6_DBG, DBG_LVL_ALL, "Version : %x \n",ucVersion); |
| 357 | ucPrio = pstIpv6Header->ucVersionPrio & 0x0f; |
| 358 | BCM_DEBUG_PRINT( Adapter,DBG_TYPE_TX, IPV6_DBG, DBG_LVL_ALL, "Priority : %x \n",ucPrio); |
| 359 | //BCM_DEBUG_PRINT( Adapter,DBG_TYPE_TX, IPV6_DBG, DBG_LVL_ALL, "Flow Label : %x \n",(pstIpv6Header->ucVersionPrio &0xf0); |
| 360 | BCM_DEBUG_PRINT( Adapter,DBG_TYPE_TX, IPV6_DBG, DBG_LVL_ALL, "Payload Length : %x \n",ntohs(pstIpv6Header->usPayloadLength)); |
| 361 | BCM_DEBUG_PRINT( Adapter,DBG_TYPE_TX, IPV6_DBG, DBG_LVL_ALL, "Next Header : %x \n",pstIpv6Header->ucNextHeader); |
| 362 | BCM_DEBUG_PRINT( Adapter,DBG_TYPE_TX, IPV6_DBG, DBG_LVL_ALL, "Hop Limit : %x \n",pstIpv6Header->ucHopLimit); |
| 363 | BCM_DEBUG_PRINT( Adapter,DBG_TYPE_TX, IPV6_DBG, DBG_LVL_ALL, "Src Address :\n"); |
| 364 | DumpIpv6Address(pstIpv6Header->ulSrcIpAddress); |
| 365 | BCM_DEBUG_PRINT( Adapter,DBG_TYPE_TX, IPV6_DBG, DBG_LVL_ALL, "Dest Address :\n"); |
| 366 | DumpIpv6Address(pstIpv6Header->ulDestIpAddress); |
| 367 | BCM_DEBUG_PRINT( Adapter,DBG_TYPE_TX, IPV6_DBG, DBG_LVL_ALL, "----Ipv6 Header End---"); |
| 368 | |
| 369 | |
| 370 | } |