void CAR6KMini::ReceiveWMIDataPacket( HTC_EVENT_INFO *evInfo) // // This function processes data from an HTC_BUFFER_RECEIVED indication // not on the WMI_CONTROL_MBOX endpoint. // { ndis_mini_buf_t *pb = (ndis_mini_buf_t *)evInfo->cookie; NDIS_STATUS Status; NDIS_PACKET *pPacket; NDIS_BUFFER *pBuffer; PBYTE pData; ULONG cbData; BOOL doDix = FALSE; USHORT etherType; SNAP_HEADER *pSnapHdr; MAC_ADDRESS *pDestAddr,*tempAddr; BOOL mcForUs = FALSE; NDIS_DEBUG_PRINTF(ATH_LOG_TRC | ATH_LOG_RECV, "AR6K: +ReceiveWMIDataPacket"); if (evInfo->status != A_OK) { NDIS_DEBUG_PRINTF(ATH_LOG_ERR, "AR6K: ERROR - ReceiveWMIPacket Error in receiving : status = %x\n", evInfo->status); if (A_OK != HTCBufferReceive(m_pHTCTarget, ENDPOINT2, a_netbuf_to_data(pb), AR6000_BUFFER_SIZE, pb)) { a_netbuf_free(pb); } goto done; } // evInfo->actualLength is the length of the pb->data including // 2 bytes: WMI_DATA_HEADER [optional - only if HTC header is 46 00] // 14 bytes: 802.3 MAC header // 8 bytes: SNAP header (with EthType as last 2 bytes) // N bytes: payload (e.g. IP packet) pData = evInfo->buffer; cbData = evInfo->actualLength; // Remove the WMI_DATA_HDR. if (cbData < sizeof(WMI_DATA_HDR)) { NDIS_DEBUG_PRINTF(ATH_LOG_ERR, "AR6K: ERROR - ReceiveWMIPacket missing WMI header (%u bytes)\n", evInfo->actualLength); if ( A_OK != HTCBufferReceive(m_pHTCTarget, ENDPOINT2, a_netbuf_to_data(pb), AR6000_BUFFER_SIZE, pb)) { a_netbuf_free(pb); } goto done; } pData += sizeof(WMI_DATA_HDR); cbData -= sizeof(WMI_DATA_HDR); if (cbData < sizeof(ETHERNET_MAC_HEADER) + sizeof(SNAP_HEADER)) { NDIS_DEBUG_PRINTF(ATH_LOG_ERR, "AR6K: ERROR - ReceiveWMIPacket missing MAC + SNAP (%u bytes)\n", cbData); if ( A_OK != HTCBufferReceive(m_pHTCTarget, ENDPOINT2, a_netbuf_to_data(pb), AR6000_BUFFER_SIZE, pb)) { a_netbuf_free(pb); } goto done; } #ifdef WMM Lock(); wmi_implicit_create_pstream((wmi_t *)m_pWMI, pb, DNLINK_TRAFFIC,1); Unlock(); #endif //WMM pDestAddr=(MAC_ADDRESS *)pData; /* Apply NDIS receive filter */ if (isGrp(pDestAddr)) { if (isBcast(pDestAddr)) { if (!(m_CurrentPacketFilter & NDIS_PACKET_TYPE_BROADCAST)) { if ( A_OK != HTCBufferReceive(m_pHTCTarget, ENDPOINT2, a_netbuf_to_data(pb), AR6000_BUFFER_SIZE, pb)) { a_netbuf_free(pb); } goto done; } } else { isMcForUs(pDestAddr,&mcForUs); if (!(m_CurrentPacketFilter & (NDIS_PACKET_TYPE_MULTICAST | NDIS_PACKET_TYPE_ALL_MULTICAST)) || !(mcForUs)) { if ( A_OK != HTCBufferReceive(m_pHTCTarget, ENDPOINT2, a_netbuf_to_data(pb), AR6000_BUFFER_SIZE, pb)) { a_netbuf_free(pb); } goto done; } } } else { tempAddr=(MAC_ADDRESS *) m_PermanentAddress; if ((A_MACADDR_COMP(pDestAddr,tempAddr) != 0) && !(m_CurrentPacketFilter & NDIS_PACKET_TYPE_PROMISCUOUS)) { if ( A_OK != HTCBufferReceive(m_pHTCTarget, ENDPOINT2, a_netbuf_to_data(pb), AR6000_BUFFER_SIZE, pb)) { a_netbuf_free(pb); } goto done; } } // Allocate an NDIS_PACKET from our packet pool. NdisAllocatePacket(&Status, &pPacket, m_RxPacketPool); if (NDIS_STATUS_SUCCESS != Status) { NDIS_DEBUG_PRINTF(ATH_LOG_ERR, "AR6K: ERROR - NdisAllocatePacket failed\n"); if ( A_OK != HTCBufferReceive(m_pHTCTarget, ENDPOINT2, a_netbuf_to_data(pb), AR6000_BUFFER_SIZE, pb)) { a_netbuf_free(pb); } goto done; } // Check for ethernetType in SNAP header for NOVELL_IPX, APPLE_TALK_ARP etc // remove 802.3 length and SNAP header if it is not of these types pSnapHdr=(SNAP_HEADER *)(pData+sizeof(ETHERNET_MAC_HEADER)); etherType=A_BE2CPU16(pSnapHdr->Type); doDix=((A_MEMCMP(pSnapHdr,&bridgeTunnel, sizeof(CAP_CONST))) == 0); if((!doDix) && ((A_MEMCMP(pSnapHdr,&vrfc1042, sizeof(CAP_CONST))) == 0)) { doDix = ((etherType != APPLE_TALK_ARP) && (etherType != NOVELL_IPX)); } // Get rid of the 802.3 length and SNAP header by copying // the 802.3 DestMACAddr and SrcMACAddr forward so they // immediately precede the EthType at the end of the SNAP header. // That gives us a DIX packet. if (doDix) { memmove(pData + sizeof(SNAP_HEADER), pData, ETHERNET_MAC_ADDRESS_LENGTH * 2); pData += sizeof(SNAP_HEADER); cbData -= sizeof(SNAP_HEADER); } // Setup the fields of NDIS_BUFFER to point to our data. pBuffer = &pb->NdisBuffer; NdisInitializeBuffer(pBuffer, pData, cbData); // Chain the NDIS_BUFFER to the start of the NDIS_PACKET NdisChainBufferAtBack(pPacket, pBuffer); NDIS_SET_PACKET_HEADER_SIZE(pPacket, sizeof(ETHERNET_MAC_HEADER)); NDIS_SET_PACKET_STATUS(pPacket, NDIS_STATUS_SUCCESS); #ifdef NDIS_BUS_DRIVER NDIS_PACKET *PacketArray[1]; PacketArray[0]=pPacket; NdisMIndicateReceivePacket(m_MiniportAdapterHandle, PacketArray, 1); #else // Perform the indicate on the timer thread because tying up the // SDIO receive indication thread can result in a deadlock. PLIST_ENTRY pEntry = (PLIST_ENTRY)(pPacket->MiniportReserved); Lock(); InsertTailList(&m_RxPendingPacketList, pEntry); NdisSetEvent(&m_RxPendingEvent); Unlock(); #endif done: NDIS_DEBUG_PRINTF(ATH_LOG_TRC | ATH_LOG_RECV, "AR6K: -ReceiveWMIDataPacket"); }
int updateDesc(void) { int32 fid; int32 groupID; int32 aid, status; int i, j; if ((fid = Hopen(he_file, DFACC_READ, 0)) == 0) { printf("failed opening\n"); HEprint(stdout, 0); return FAIL; } aid = Hstartread(fid, DFTAG_WILDCARD, DFREF_WILDCARD); if (aid == FAIL) { HEprint(stderr, 0); return FAIL; } status = SUCCEED; for (i = 0; (i < HE_DESC_SZ) && (status != FAIL); i++) { Hinquire(aid, NULL, &he_desc[i].tag, &he_desc[i].ref, &he_desc[i].length, &he_desc[i].offset, NULL, (int16 *) NULL, (int16 *) NULL); status = Hnextread(aid, DFTAG_WILDCARD, DFREF_WILDCARD, DF_CURRENT); } he_numDesc = i; /* get informations about the groups */ he_numGrp = 0; for (i = 0; i < he_numDesc; i++) { if (isGrp(he_desc[i].tag)) { he_grp[he_numGrp].desc = i; /* he_grp[he_numGrp].size = (int) (he_desc[i].length / sizeof(tag_ref)); he_grp[he_numGrp].ddList = (tag_ref_ptr) HDmalloc(he_desc[i].length); */ he_grp[he_numGrp].size = (int) (he_desc[i].length / 4); he_grp[he_numGrp].ddList = (tag_ref_ptr) HDmalloc(he_grp[he_numGrp].size*sizeof(tag_ref)); if (!he_grp[he_numGrp].ddList) { fprintf(stderr, "Out of memory. Closing file.\n"); closeFile(1); /* keep the backup */ return FAIL; } groupID = DFdiread(fid, he_desc[i].tag, he_desc[i].ref); if (groupID < 0) { HEprint(stderr, 0); return FAIL; } for (j = 0; j < he_grp[he_numGrp].size; j++) DFdiget(groupID, &he_grp[he_numGrp].ddList[j].tag, &he_grp[he_numGrp].ddList[j].ref); he_numGrp++; } } Hendaccess(aid); Hclose(fid); return SUCCEED; }