/*++ Copyright(c) 1998,99 Microsoft Corporation Module Name: univ.c Abstract: Windows Load Balancing Service (WLBS) Driver - global variables Author: kyrilf --*/ #include #include #include "univ.h" #include "wlbsparm.h" /* GLOBALS */ /* The global teaming list spin lock. */ NDIS_SPIN_LOCK univ_bda_teaming_lock; // UNIV_ADAPTER univ_adapters [CVY_MAX_ADAPTERS]; // ###### ramkrish WCHAR empty_str [] = L""; UNIV_IOCTL_HDLR univ_ioctl_hdlr = NULL; PVOID univ_driver_ptr = NULL; NDIS_HANDLE univ_driver_handle = NULL; NDIS_HANDLE univ_wrapper_handle = NULL; NDIS_HANDLE univ_prot_handle = NULL; NDIS_HANDLE univ_ctxt_handle = NULL; // ###### ramkrish ULONG univ_convoy_enabled; // ###### ramkrish ULONG univ_bound = FALSE; // ###### ramkrish ULONG univ_announced = FALSE; NDIS_SPIN_LOCK univ_bind_lock; ULONG univ_changing_ip = 0; // ###### ramkrish ULONG univ_inited = FALSE; NDIS_HANDLE univ_device_handle = NULL; PDEVICE_OBJECT univ_device_object = NULL; NDIS_PHYSICAL_ADDRESS univ_max_addr = NDIS_PHYSICAL_ADDRESS_CONST (-1,-1); NDIS_MEDIUM univ_medium_array [UNIV_NUM_MEDIUMS] = UNIV_MEDIUMS; // ###### ramkrish ULONG univ_params_valid = FALSE; // ###### ramkrish CVY_PARAMS univ_params; PWCHAR univ_reg_path = NULL; ULONG univ_reg_path_len = 0; // ###### ramkrish ULONG univ_optimized_frags = FALSE; NDIS_OID univ_oids [UNIV_NUM_OIDS] = { OID_GEN_SUPPORTED_LIST, OID_GEN_HARDWARE_STATUS, OID_GEN_MEDIA_SUPPORTED, OID_GEN_MEDIA_IN_USE, OID_GEN_MAXIMUM_LOOKAHEAD, OID_GEN_MAXIMUM_FRAME_SIZE, OID_GEN_LINK_SPEED, OID_GEN_TRANSMIT_BUFFER_SPACE, OID_GEN_RECEIVE_BUFFER_SPACE, OID_GEN_TRANSMIT_BLOCK_SIZE, OID_GEN_RECEIVE_BLOCK_SIZE, OID_GEN_VENDOR_ID, OID_GEN_VENDOR_DESCRIPTION, OID_GEN_CURRENT_PACKET_FILTER, OID_GEN_CURRENT_LOOKAHEAD, OID_GEN_DRIVER_VERSION, OID_GEN_MAXIMUM_TOTAL_SIZE, OID_GEN_PROTOCOL_OPTIONS, OID_GEN_MAC_OPTIONS, OID_GEN_MEDIA_CONNECT_STATUS, OID_GEN_MAXIMUM_SEND_PACKETS, OID_GEN_VENDOR_DRIVER_VERSION, OID_GEN_XMIT_OK, OID_GEN_RCV_OK, OID_GEN_XMIT_ERROR, OID_GEN_RCV_ERROR, OID_GEN_RCV_NO_BUFFER, OID_GEN_DIRECTED_BYTES_XMIT, OID_GEN_DIRECTED_FRAMES_XMIT, OID_GEN_MULTICAST_BYTES_XMIT, OID_GEN_MULTICAST_FRAMES_XMIT, OID_GEN_BROADCAST_BYTES_XMIT, OID_GEN_BROADCAST_FRAMES_XMIT, OID_GEN_DIRECTED_BYTES_RCV, OID_GEN_DIRECTED_FRAMES_RCV, OID_GEN_MULTICAST_BYTES_RCV, OID_GEN_MULTICAST_FRAMES_RCV, OID_GEN_BROADCAST_BYTES_RCV, OID_GEN_BROADCAST_FRAMES_RCV, OID_GEN_RCV_CRC_ERROR, OID_GEN_TRANSMIT_QUEUE_LENGTH, OID_802_3_PERMANENT_ADDRESS, OID_802_3_CURRENT_ADDRESS, OID_802_3_MULTICAST_LIST, OID_802_3_MAXIMUM_LIST_SIZE, OID_802_3_MAC_OPTIONS, OID_802_3_RCV_ERROR_ALIGNMENT, OID_802_3_XMIT_ONE_COLLISION, OID_802_3_XMIT_MORE_COLLISIONS, OID_802_3_XMIT_DEFERRED, OID_802_3_XMIT_MAX_COLLISIONS, OID_802_3_RCV_OVERRUN, OID_802_3_XMIT_UNDERRUN, OID_802_3_XMIT_HEARTBEAT_FAILURE, OID_802_3_XMIT_TIMES_CRS_LOST, OID_802_3_XMIT_LATE_COLLISIONS }; /* PROCEDURES */ VOID Univ_ndis_string_alloc ( PNDIS_STRING string, PCHAR src) { PWCHAR tmp; /* allocate enough space for the string */ string -> Length = strlen (src) * sizeof (WCHAR); string -> MaximumLength = string -> Length + sizeof (WCHAR); NdisAllocateMemoryWithTag (& (string -> Buffer), string -> MaximumLength, UNIV_POOL_TAG); if (string -> Buffer == NULL) { string -> Length = 0; string -> MaximumLength = 0; return; } /* copy characters */ tmp = string -> Buffer; while (* src != '\0') { * tmp = (WCHAR) (* src); src ++; tmp ++; } * tmp = UNICODE_NULL; } /* end Univ_ndis_string_free */ VOID Univ_ndis_string_free ( PNDIS_STRING string) { if (string -> Buffer == NULL) return; /* free memory */ NdisFreeMemory (string -> Buffer, string -> MaximumLength, 0); string -> Length = 0; string -> MaximumLength = 0; } /* end Univ_ndis_string_free */ VOID Univ_ansi_string_alloc ( PANSI_STRING string, PWCHAR src) { PCHAR tmp; PWCHAR wtmp; USHORT len; /* compute length of the string in characters */ wtmp = src; len = 0; while (* wtmp != UNICODE_NULL) { len ++; wtmp ++; } /* allocate enough space for the string */ string -> Length = len; string -> MaximumLength = len + sizeof (CHAR); NdisAllocateMemoryWithTag (& (string -> Buffer), string -> MaximumLength, UNIV_POOL_TAG); if (string -> Buffer == NULL) { string -> Length = 0; string -> MaximumLength = 0; return; } /* copy characters */ tmp = string -> Buffer; while (* src != '\0') { * tmp = (CHAR) (* src); src ++; tmp ++; } * tmp = 0; } /* end Univ_ansi_string_free */ VOID Univ_ansi_string_free ( PANSI_STRING string) { if (string == NULL) return; /* free memory */ NdisFreeMemory (string -> Buffer, string -> MaximumLength, 0); string -> Length = 0; string -> MaximumLength = 0; } /* end Univ_ansi_string_free */ ULONG Univ_str_to_ulong ( PULONG retp, PWCHAR start_ptr, PWCHAR * end_ptr, ULONG width, ULONG base) { PWCHAR ptr; WCHAR c; ULONG number = 0; ULONG val, pos = 0; /* check base */ if (base != 2 && base != 8 && base != 10 && base != 16) { if (end_ptr != NULL) * end_ptr = start_ptr; return FALSE; } /* skip space */ ptr = start_ptr; number = 0; while (* ptr == 0x20) ptr ++; /* extract digits and build the number */ while (pos < width) { c = * ptr; if (0x30 <= c && c <= 0x39) val = c - 0x30; else if (0x41 <= c && c <= 0x46) val = c - 0x41 + 0xa; else if (0x61 <= c && c <= 0x66) val = c - 0x61 + 0xa; else break; if (val >= base) break; number = number * base + val; ptr ++; pos ++; } /* makre sure we extracted something */ if (pos == 0) { ptr = start_ptr; * retp = 0; return FALSE; } /* return resulting number */ if (end_ptr != NULL) * end_ptr = ptr; * retp = number; return TRUE; } /* end Univ_str_to_ulong */ PWCHAR Univ_ulong_to_str ( ULONG val, PWCHAR buf, ULONG base) { ULONG dig; PWCHAR p, sav; WCHAR tmp; /* check base */ if (base != 2 && base != 8 && base != 10 && base != 16) { buf [0] = 0; return buf; } /* extract digits from the number and output to string */ p = buf; do { /* get next digit */ dig = (ULONG) (val % base); val /= base; /* convert to ascii and store */ if (dig > 9) * p = (CHAR) (dig - 10 + L'a'); else * p = (CHAR) (dig + L'0'); p ++; } while (val > 0); * p = 0; sav = p; /* swap the characters, since operation above creates inverted string */ p --; do { tmp = * p; * p = * buf; * buf = tmp; p --; buf ++; } while (buf < p); /* repeat until halfway */ return sav; } /* end Univ_ulong_to_str */