ll_stream<T>::ll_stream(dataflow_engine const& dfe, std::string name, int slot_length, int slot_count) : slot_length_(slot_length), slot_count_(slot_count), buffer_(0), stream_(0) { std::cerr << "Setting up stream " << name << std::endl; slot_length_ = slot_length; slot_count_ = slot_count; int ret = posix_memalign(&buffer_, alignment, slot_count * slot_length * sizeof(T)); if(ret != 0) { throw std::runtime_error(std::string("posix_memalign: ") + strerror(ret)); } stream_ = max_llstream_setup(dfe.handle(), name.c_str(), slot_count, slot_length * sizeof(T), buffer_); }
int main(int argc, char *argv[]) { if (argc != 3) { printf("Usage: %s <dfe_ip> <netmask>\n", argv[0]); return 1; } uint16_t Nsockets = 1; const int port = 80; struct in_addr dfe_ip; inet_aton(argv[1], &dfe_ip); struct in_addr netmask; inet_aton(argv[2], &netmask); // initialization files for crcIndex table, generated by init_code char fileCrcIndex1[] = "./results/romCrcIndex1_init.html"; char fileCrcIndex2[] = "./results/romCrcIndex2_init.html"; // LMEM initialization file location, generated by init_code char fileLmem[] = "./results/lmem_generated_file.html"; uint64_t *arrCrc1; uint64_t *arrCrc2; long Lcrc; FILE *fpCrc1 = fopen(fileCrcIndex1, "rb"); FILE *fpCrc2 = fopen(fileCrcIndex2, "rb"); FILE *fpLmem = fopen(fileLmem, "rb"); if (!(fpCrc1 && fpCrc2 && fpLmem)) { printf("Error with file\n"); exit(0); } // obtain file size fseek(fpCrc1, 0, SEEK_END); Lcrc = ftell(fpCrc1); rewind(fpCrc1); fillRomCrcIndex(fpCrc1, &arrCrc1, Lcrc); fillRomCrcIndex(fpCrc2, &arrCrc2, Lcrc); printf("Preparing for init() and max_load()\n"); max_file_t *maxfile = httpserver_init(); max_engine_t * engine = max_load(maxfile, "*"); printf("Done\n"); max_actions_t *actions = max_actions_init(maxfile, NULL); int romDepthCrc = Lcrc / 8; for (uint32_t i = 0; i < romDepthCrc; i++) { max_set_mem_uint64t(actions, "CrcIndexTable", "romCrcIndex1", i, arrCrc1[i]); max_set_mem_uint64t(actions, "CrcIndexTable", "romCrcIndex2", i, arrCrc2[i]); } max_run(engine, actions); max_actions_free(actions); long L; size_t result; uint64_t* arrLmem; // obtain file size fseek(fpLmem, 0, SEEK_END); L = ftell(fpLmem); rewind(fpLmem); double diff = ceil(L / 8.0) - L / 8.0; // NULL character padding if (diff != 0) { L = (int) ceil(L / 8.0) * 8; } // allocate memory to contain the whole file size_t Nelem = sizeof(uint64_t) * (L / 8); arrLmem = (uint64_t*) malloc(Nelem); result = fread(arrLmem, 1, L, fpLmem); int romDepth = L / 8; int burstLengthInBytes = max_get_burst_size(maxfile, "cmd_tolmem"); inline int max(int a, int b) { return a > b ? a : b; } ; const int size = romDepth; int sizeBytes = size * sizeof(uint64_t); uint64_t *inData; printf("Writing to DFE memory.\n"); inData = arrLmem; writeDataToLMem(inData, size, sizeBytes, burstLengthInBytes, engine, maxfile); printf("Done\n"); max_ip_config(engine, MAX_NET_CONNECTION_QSFP_BOT_10G_PORT1, &dfe_ip, &netmask); //all sockets MUST be created before first call to max_tcp_connect or max_tcp_listen max_tcp_socket_t *(dfe_socket[Nsockets]); uint16_t socketNumber[Nsockets]; for (int i = 0; i < Nsockets; i++) { //dfe_socket[i] = max_tcp_create_socket(engine, "tcp_ISCA_QSFP_BOT_10G_PORT1"); dfe_socket[i] = max_tcp_create_socket_with_number(engine, "tcp_ISCA_QSFP_BOT_10G_PORT1", i); socketNumber[i] = max_tcp_get_socket_number(dfe_socket[i]); printf("Socket %d was assigned socket number %u\n", i, socketNumber[i]); } for (int i = 0; i < Nsockets; i++) { max_tcp_listen(dfe_socket[i], port + i); max_tcp_await_state(dfe_socket[i], MAX_TCP_STATE_LISTEN, NULL); } printf("CPU code: Total %u socket(s), listening on the port(s) %u-%u\n\n", Nsockets, port, port + Nsockets - 1); void *read_ptr; uint8_t *read_buffer; max_llstream_t *read_llstream; uint64_t *byteNumber; printf("CPU code: Setting up 'toCpuByteNumber' stream.\n"); int Nslots_byteNumber = 512; size_t tCBN_buffer_size = Nslots_byteNumber * 16; posix_memalign((void *) &read_buffer, 4096, tCBN_buffer_size); read_llstream = max_llstream_setup(engine, "toCpuFileSizeBytes", Nslots_byteNumber, 16, read_buffer); uint8_t *read_buffer_socket; max_llstream_t *read_llstream_socket; printf("CPU code: Setting up 'toCpuSocketNumber' stream.\n"); int Nslots_socketNumber = 512; size_t tCSB_buffer_size = Nslots_socketNumber * 16; posix_memalign((void *) &read_buffer_socket, 4096, tCSB_buffer_size); read_llstream_socket = max_llstream_setup(engine, "toCpuSocketNumber", Nslots_socketNumber, 16, read_buffer_socket); void *read_ptr_socket_slot; uint16_t ti = 10; while(ti > 0) { printf("CPU code: time=%u, waiting file size and socket numbers stream data to be sent to CPU\n", ti); usleep(1000*1000*1); ti--; } //while(1); uint64_t num_rx_bytes; uint64_t num_tx_bytes; uint8_t session_id; while (1) { //part 1: first wait to receive LengthBytes number printf("CPU code: PART 1 - waiting to receive LengthBytes number\n"); int FoundByteNumber = 0; ti=0; while (FoundByteNumber != 1) //first wait to receive LengthBytes number { usleep(1000*1000*1); for (int i = 0; i < Nsockets; i++) { max_tcp_get_num_bytes_received(dfe_socket[i], &num_rx_bytes); max_tcp_get_num_bytes_transmitted(dfe_socket[i], &num_tx_bytes, &session_id); printf("CPU code: waiting, time=%u, port=%u, socket=%i, max_tcp_get_num_bytes_received=%llu, max_tcp_get_num_bytes_transmitted=%llu\n", ti, port + i, i, (long long unsigned int) num_rx_bytes, (long long unsigned int) num_tx_bytes); } ti++; uint8_t ii = max_llstream_read(read_llstream, 1, &read_ptr); if (ii) { byteNumber = (uint64_t*) read_ptr; printf("CPU code: number of slots found to contain new data=%u, fileSizeBytes=%u\n", ii, (unsigned int) *byteNumber); max_llstream_read_discard(read_llstream, 1); FoundByteNumber = 1; } } //part 2: receive total number of data transfered printf("CPU code: PART 2 - receive socket number\n"); while (max_llstream_read(read_llstream_socket, 1, &read_ptr_socket_slot) == 0) ; uint16_t socket_returned = (uint16_t) *((uint16_t*) read_ptr_socket_slot); //event->socketID; unsigned int fileBytes = (unsigned int) *byteNumber; printf("CPU code: fileBytes=%u, socket_returned=%u\n", fileBytes, socket_returned); ti = 0; while (1) { { for (int i = 0; i < Nsockets; i++) { max_tcp_get_num_bytes_received(dfe_socket[i], &num_rx_bytes); max_tcp_get_num_bytes_transmitted(dfe_socket[i], &num_tx_bytes, &session_id); printf("CPU code: time=%i, port=%u, socket=%i, max_tcp_get_num_bytes_received=%llu, max_tcp_get_num_bytes_transmitted=%llu\n", ti, port + i, i, (long long unsigned int) num_rx_bytes, (long long unsigned int) num_tx_bytes); } ti++; printf("\n"); max_tcp_get_num_bytes_transmitted(dfe_socket[socket_returned], &num_tx_bytes, &session_id); printf("CPU code: fileSizeBytes=%u, socketReturned=%u, num_tx_bytes=%llu\n", fileBytes, socket_returned, (long long unsigned int) num_tx_bytes); } //usleep(1000*100); //printf("CPU code: While LOOP, socket_returned=%u, fileBytes=%u, num_tx_bytes(max_tcp_get_num_bytes_transmitted)=%llu\n", socket_returned, fileBytes, (long long unsigned int) num_tx_bytes); if (num_tx_bytes == fileBytes) { //usleep(1000*1000*3); printf("CPU code: MATCH num_tx_bytes==fileBytes, socket_returned=%u, fileBytes=%u, num_tx_bytes(max_tcp_get_num_bytes_transmitted)=%llu\n", socket_returned, fileBytes, (long long unsigned int) num_tx_bytes); printf("CPU code: Closing socket=%u\n", socket_returned); max_tcp_close(dfe_socket[socket_returned]); //max_tcp_close_mode_t close_mode=MAX_TCP_CLOSE_ABORT_RESET; //max_tcp_close_advanced(dfe_socket[socket_returned],close_mode); printf("CPU code: Waiting for MAX_TCP_STATE_CLOSED\n"); max_tcp_await_state(dfe_socket[socket_returned], MAX_TCP_STATE_CLOSED, NULL); printf("CPU code: Set LISTEN state\n"); max_tcp_listen(dfe_socket[socket_returned], port); printf("CPU code: Waiting for MAX_TCP_STATE_LISTEN\n"); max_tcp_await_state(dfe_socket[socket_returned], MAX_TCP_STATE_LISTEN, NULL); printf("CPU code: Again opened socket=%u\n", socket_returned); printf("\nCPU code: State of rx/tx after socket closing\n"); break; } usleep(1000*1000*1); } } for (int i = 0; i < Nsockets; i++) { max_tcp_close(dfe_socket[i]); printf("max_tcp_close(dfe_socket[i])"); } max_unload(engine); printf("max_unload(engine)"); max_file_free(maxfile); printf("max_file_free(maxfile)"); printf("The end\n"); return 0; }
int main(int argc, char *argv[]) { (void) argc; (void) argv; max_file_t *maxfile = INIT_NAME(); if(!maxfile) { printf("Failed to init MAX file\n"); return -1; } max_config_set_bool(MAX_CONFIG_PRINTF_TO_STDOUT, true); const char *device_name = "*"; printf("Opening device: %s\n", device_name); max_engine_t *engine = max_load(maxfile, device_name); if(!engine) { printf("Failed to open Max device\n"); exit(-1); } max_reset_engine(engine); /* * SLiC is so shit, that if we don't run an empty action, no debug outputs will be generated. */ max_actions_t *action = max_actions_init(maxfile, NULL); max_run(engine, action); max_actions_free(action); srand(time(NULL)); single_entry_t *outputData = calloc(MAX_DEPTH, sizeof(single_entry_t)); void *configWordBuffer = NULL; posix_memalign(&configWordBuffer, 4096, 512 * sizeof(configWord_t)); max_llstream_t *configWordStream = max_llstream_setup(engine, "configWord", 512, sizeof(configWord_t), configWordBuffer); uint64_t configBase = 0; printf("Sending config word...\n"); void *configWordSlot; while (max_llstream_write_acquire(configWordStream, 1, &configWordSlot) != 1) usleep(10); configWord_t *configWord = configWordSlot; configWord->wordCount = MAX_DEPTH; configWord->base = configBase; max_llstream_write(configWordStream, 1); getchar(); printf("Streaming 'read_fifo'...\n"); fflush(stdout); action = max_actions_init(maxfile, NULL); max_queue_output(action, "read_fifo", outputData, sizeof(single_entry_t) * MAX_DEPTH); max_disable_reset(action); max_disable_validation(action); max_enable_partial_memory(action); max_run(engine, action); max_actions_free(action); printf("Comparing...\n"); fflush(stdout); uint8_t fail = 0; for (size_t entryIx=0; entryIx < MAX_DEPTH; entryIx++) { uint64_t *output = (uint64_t *)outputData[entryIx].data; size_t quadsPerEntry = sizeof(single_entry_t) / sizeof(uint64_t); uint64_t expected = (configBase + entryIx); if (expected != output[0]) { fail = 1; printf("[Entry: %zd, Quad: %zd] Mismatch: input 0x%lx, output 0x%lx\n", entryIx, 0L, expected, output[0]); } for (size_t q = 1; !fail && q < quadsPerEntry; q++) { if (0 != output[q]) { fail = 1; printf("[Entry: %zd, Quad: %zd] Mismatch: input 0x%lx, output 0x%lx\n", entryIx, q, 0L, output[q]); } } } printf("%s\n", fail ? "FAILED!" : "Success"); return fail; }
LowLatencyStream(max_engine_t* engine, const std::string& name, size_t numSlots, size_t slotSize) : numSlots(numSlots), slotSize(slotSize), buf(numSlots*slotSize), ll(max_llstream_setup(engine, name.c_str(), numSlots, slotSize, buf), max_llstream_release) { if (!ll) throw std::runtime_error("Failed to instantiate llstream"); }