diff --git a/bochs/iodev/eth_win32.cc b/bochs/iodev/eth_win32.cc index 066516681..8ea56eb60 100644 --- a/bochs/iodev/eth_win32.cc +++ b/bochs/iodev/eth_win32.cc @@ -1,7 +1,7 @@ -///////////////////////////////////////////////////////////////////////// -// $Id: eth_win32.cc,v 1.2 2001-10-03 13:10:38 bdenney Exp $ -///////////////////////////////////////////////////////////////////////// -// +///////////////////////////////////////////////////////////////////////// +// $Id: eth_win32.cc,v 1.3 2001-10-03 13:34:55 bdenney Exp $ +///////////////////////////////////////////////////////////////////////// +// // Copyright (C) 2001 MandrakeSoft S.A. // // MandrakeSoft S.A. @@ -23,7 +23,7 @@ // You should have received a copy of the GNU Lesser General Public // License along with this library; if not, write to the Free Software // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - +// // eth_win32.cc - skeleton code for an ethernet pktmover // All win32 coding by Don Becker // @@ -38,17 +38,19 @@ #define LOG_THIS bx_ne2k. #define NDIS_PACKET_TYPE_PROMISCUOUS 0x0020 - #define Packet_ALIGNMENT sizeof(int) #define Packet_WORDALIGN(x) (((x)+(Packet_ALIGNMENT-1))&~(Packet_ALIGNMENT-1)) typedef int bpf_int32; typedef u_int bpf_u_int32; + + /* * The instruction encondings. */ /* instruction classes */ + #define BPF_CLASS(code) ((code) & 0x07) #define BPF_LD 0x00 #define BPF_LDX 0x01 @@ -59,6 +61,7 @@ typedef u_int bpf_u_int32; #define BPF_RET 0x06 #define BPF_MISC 0x07 + /* ld/ldx fields */ #define BPF_SIZE(code) ((code) & 0x18) #define BPF_W 0x00 @@ -127,257 +130,418 @@ struct bpf_hdr { plus alignment padding) */ }; + + #define MAX_LINK_NAME_LENGTH 64 + + typedef struct _ADAPTER { + HANDLE hFile; + TCHAR SymbolicLink[MAX_LINK_NAME_LENGTH]; + int NumWrites; + HANDLE ReadEvent; + } ADAPTER, *LPADAPTER; + + typedef struct _PACKET { + HANDLE hEvent; + OVERLAPPED OverLapped; + PVOID Buffer; + UINT Length; + UINT ulBytesReceived; + BOOLEAN bIoComplete; + } PACKET, *LPPACKET; + + HINSTANCE hPacket; + LPADAPTER lpAdapterRX = 0; + LPADAPTER lpAdapterTX = 0; + LPPACKET pkSend; + LPPACKET pkRecv; + char buffer[256000]; + DWORD dwVersion, dwMajorVersion; + char AdapterList[10][1024]; + char cMacAddr[6]; + void *rx_Arg; +char netdev[512]; + eth_rx_handler_t rx_handler; + + LPADAPTER (*PacketOpenAdapter) (LPTSTR); + VOID (*PacketCloseAdapter) (LPADAPTER); + BOOLEAN (*PacketSetHwFilter) (LPADAPTER, ULONG); + BOOLEAN (*PacketSetBpf) (LPADAPTER, struct bpf_program *); + BOOLEAN (*PacketGetAdapterNames) (PTSTR, PULONG); + BOOLEAN (*PacketSendPacket) (LPADAPTER, LPPACKET, BOOLEAN); + BOOLEAN (*PacketReceivePacket) (LPADAPTER, LPPACKET, BOOLEAN); + BOOLEAN (*PacketSetBuff) (LPADAPTER, int); + BOOLEAN (*PacketSetReadTimeout) (LPADAPTER, int); + LPPACKET (*PacketAllocatePacket) (void); + VOID (*PacketInitPacket) (LPPACKET, PVOID, UINT); + VOID (*PacketFreePacket) (LPPACKET); + + // template filter for a unicast mac address and all + // multicast/broadcast frames + static const struct bpf_insn macfilter[] = { + BPF_STMT(BPF_LD|BPF_W|BPF_ABS, 2), + BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xaaaaaaaa, 0, 2), + BPF_STMT(BPF_LD|BPF_H|BPF_ABS, 0), + BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x0000aaaa, 2, 0), + BPF_STMT(BPF_LD|BPF_B|BPF_ABS, 0), + BPF_JUMP(BPF_JMP|BPF_JSET|BPF_K, 0x01, 0, 1), + BPF_STMT(BPF_RET, 1514), + BPF_STMT(BPF_RET, 0), + }; + + // + // Define the class. This is private to this module + // + class bx_win32_pktmover_c : public eth_pktmover_c { + public: + bx_win32_pktmover_c(const char *netif, const char *macaddr, + eth_rx_handler_t rxh, + void *rxarg); + void sendpkt(void *buf, unsigned io_len); + private: + struct bpf_insn filter[8]; + int rx_timer_index; + static void rx_timer_handler(void *); + }; + + + // + // Define the static class that registers the derived pktmover class, + // and allocates one on request. + // + class bx_win32_locator_c : public eth_locator_c { + public: + bx_win32_locator_c(void) : eth_locator_c("win32") {} + protected: + eth_pktmover_c *allocate(const char *netif, const char *macaddr, eth_rx_handler_t rxh, void *rxarg) { + return (new bx_win32_pktmover_c(netif, macaddr, rxh, rxarg)); + } + } bx_win32_match; + + + // + // Define the methods for the bx_win32_pktmover derived class + // + + // the constructor + bx_win32_pktmover_c::bx_win32_pktmover_c(const char *netif, + const char *macaddr, + eth_rx_handler_t rxh, + void *rxarg) + { + // Open Packet Driver Here. - int i = 0; - WCHAR AdapterNameW[512]; - char AdapterNameA[512]; - int AdapterNum = 0; - ULONG AdapterLength; + DWORD dwVersion; + DWORD dwWindowsMajorVersion; struct bpf_program bp; + + BX_INFO(("bx_win32_pktmover_c")); + rx_Arg = rxarg; + rx_handler = rxh; + hPacket = LoadLibrary("PACKET.DLL"); + + memcpy(cMacAddr, macaddr, 6); + + if(hPacket) { + PacketOpenAdapter = (LPADAPTER (*)(LPTSTR)) GetProcAddress(hPacket, "PacketOpenAdapter"); + PacketCloseAdapter = (VOID (*)(LPADAPTER)) GetProcAddress(hPacket, "PacketCloseAdapter"); + PacketSetHwFilter = (BOOLEAN (*)(LPADAPTER, ULONG)) GetProcAddress(hPacket, "PacketSetHwFilter"); + PacketSetBpf = (BOOLEAN (*)(LPADAPTER, struct bpf_program *)) GetProcAddress(hPacket, "PacketSetBpf"); + PacketGetAdapterNames = (BOOLEAN (*)(PTSTR, PULONG)) GetProcAddress(hPacket, "PacketGetAdapterNames"); + PacketSendPacket = (BOOLEAN (*)(LPADAPTER, LPPACKET, BOOLEAN)) GetProcAddress(hPacket, "PacketSendPacket"); + PacketReceivePacket = (BOOLEAN (*)(LPADAPTER, LPPACKET, BOOLEAN)) GetProcAddress(hPacket, "PacketReceivePacket"); + PacketSetBuff = (BOOLEAN (*)(LPADAPTER, int)) GetProcAddress(hPacket, "PacketSetBuff"); + PacketSetReadTimeout = (BOOLEAN (*)(LPADAPTER, int)) GetProcAddress(hPacket, "PacketSetReadTimeout"); + PacketAllocatePacket = (LPPACKET (*)(void)) GetProcAddress(hPacket, "PacketAllocatePacket"); + PacketInitPacket = (VOID (*)(LPPACKET, PVOID, UINT)) GetProcAddress(hPacket, "PacketInitPacket"); + PacketFreePacket = (VOID (*)(LPPACKET)) GetProcAddress(hPacket, "PacketFreePacket"); + } else { + BX_PANIC(("Could not load WPCap Drivers for ethernet support!")); + } - AdapterLength = 512; + memset(&netdev, 0, sizeof(netdev)); + dwVersion=GetVersion(); + dwWindowsMajorVersion = (DWORD)(LOBYTE(LOWORD(dwVersion))); + if (!(dwVersion >= 0x80000000 && dwWindowsMajorVersion >= 4)) + { // Windows NT/2k + int nLen = MultiByteToWideChar(CP_ACP, 0, netif, -1, NULL, NULL); + MultiByteToWideChar(CP_ACP, 0, netif, -1, (unsigned short *)netdev, nLen); + } else { // Win9x + strcpy(netdev, netif); + } - dwVersion = GetVersion(); - dwMajorVersion = (DWORD)(LOBYTE(LOWORD(dwVersion))); - if(!(dwVersion >= 0x80000000 && dwMajorVersion >= 4)) { - // Windows NT/2k - WCHAR *tempW, *tempW2; - PacketGetAdapterNames((char *)AdapterNameW, &AdapterLength); - tempW = AdapterNameW; - tempW2 = AdapterNameW; - BX_INFO(((char *)AdapterNameW)); - while((*tempW != '\0') || (*(tempW - 1) != '\0')) { - if(*tempW == '\0') { - memcpy(AdapterList[i], tempW, (tempW - tempW) * 2); - tempW2 = tempW + 1; - i++; - } - tempW++; - } - AdapterNum = i; - } else { - // Windows 95/98/NT - char *tempA, *tempA2; - PacketGetAdapterNames(AdapterNameA, &AdapterLength); - tempA = AdapterNameA; - tempA2 = AdapterNameA; - while((*tempA != '\0') || (*(tempA - 1) != '\0')) { - if(*tempA == '\0') { - memcpy(AdapterList[i], tempA2, tempA - tempA2); - tempA2 = tempA + 1; - i++; - } - tempA++; - } - AdapterNum = i; - } - -/* - The following calls to PacketOpenAdapter() have my - NIC ID hard coded into it. This will need to be - changed if you are testing the code on a different - system - --Don Becker -*/ - lpAdapterRX = PacketOpenAdapter("\\Device\\Packet_{563A922D-5D5E-45CB-9DDA-6AD74A57E3F4}"); + lpAdapterRX = PacketOpenAdapter(netdev); if(!lpAdapterRX || (lpAdapterRX->hFile == INVALID_HANDLE_VALUE)) { BX_PANIC(("Could not open adapter for ethernet reception")); return; } - lpAdapterTX = PacketOpenAdapter("\\Device\\Packet_{563A922D-5D5E-45CB-9DDA-6AD74A57E3F4}"); + lpAdapterTX = PacketOpenAdapter(netdev); if(!lpAdapterTX || (lpAdapterTX->hFile == INVALID_HANDLE_VALUE)) { BX_PANIC(("Could not open adapter for ethernet transmition")); return; } + + PacketSetHwFilter(lpAdapterRX, NDIS_PACKET_TYPE_PROMISCUOUS); + PacketSetHwFilter(lpAdapterTX, NDIS_PACKET_TYPE_PROMISCUOUS); + + /* The code below sets a BPF mac address filter + that seems to really kill performance, for now + im just using code to filter, and it works + better + */ + + // memcpy(&this->filter, macfilter, sizeof(macfilter)); + // this->filter[1].k = (macaddr[2] & 0xff) << 24 | (macaddr[3] & 0xff) << 16 | (macaddr[4] & 0xff) << 8 | (macaddr[5] & 0xff); + // this->filter[3].k = (macaddr[0] & 0xff) << 8 | (macaddr[1] & 0xff); + // bp.bf_len = 8; + // bp.bf_insns = &this->filter[0]; + // if(!PacketSetBpf(lpAdapterRX, &bp)) { + // BX_PANIC(("Could not set mac address BPF filter")); + // } + + PacketSetBuff(lpAdapterRX, 512000); + PacketSetReadTimeout(lpAdapterRX, 1000); + PacketSetBuff(lpAdapterTX, 512000); + PacketSetReadTimeout(lpAdapterTX, 1000); + + if((pkSend = PacketAllocatePacket()) == NULL) { + BX_PANIC(("Could not allocate a send packet")); + } + if((pkRecv = PacketAllocatePacket()) == NULL) { + BX_PANIC(("Could not allocate a recv packet")); + } + + rx_timer_index = bx_pc_system.register_timer(this, this->rx_timer_handler, 10000, 1, 1); + } + + void + bx_win32_pktmover_c::sendpkt(void *buf, unsigned io_len) + { + // SendPacket Here. + fprintf(stderr, "[ETH-WIN32] Sending Packet: size=%i\n", io_len); + PacketInitPacket(pkSend, (char *)buf, io_len); + if(!PacketSendPacket(lpAdapterTX, pkSend, TRUE)) { + fprintf(stderr, "[ETH-WIN32] Error sending packet: %lu\n", GetLastError()); + } + } + + void bx_win32_pktmover_c::rx_timer_handler (void *this_ptr) + { + // Recieve Packet ???? + char *pBuf; + unsigned char *pPacket; + unsigned int iOffset = 0; + struct bpf_hdr *hdr; + static unsigned char bcast_addr[6] = {0xff,0xff,0xff,0xff,0xff,0xff}; + + PacketInitPacket(pkRecv, (char *)buffer, 256000); + PacketReceivePacket(lpAdapterRX, pkRecv, TRUE); + + + pBuf = (char *)pkRecv->Buffer; + iOffset = 0; + while(iOffset < pkRecv->ulBytesReceived) { + hdr = (struct bpf_hdr *)(pBuf + iOffset); + pPacket = (unsigned char *)(pBuf + iOffset + hdr->bh_hdrlen); + if(memcmp(pPacket + 6, cMacAddr, 6) == 0) return; + + if(memcmp(pPacket, cMacAddr, 6) == 0 || memcmp(pPacket, bcast_addr, 6) == 0 || pPacket[0] & 0x01) { + fprintf(stderr, "[ETH-WIN32] packet: size=%i, dst=%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x, src=%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x\n", hdr->bh_caplen, pPacket[0], pPacket[1], pPacket[2], pPacket[3], pPacket[4], pPacket[5], pPacket[6], pPacket[7], pPacket[8], pPacket[9], pPacket[10], pPacket[11]); + (*rx_handler)(rx_Arg, pPacket, hdr->bh_caplen); + } + iOffset = Packet_WORDALIGN(iOffset + (hdr->bh_hdrlen + hdr->bh_caplen)); + } + } + +