// Crash
void NeoNdisCrash()
{
NEO_QUEUE *q;
q = (NEO_QUEUE *)0xACACACAC;
q->Size = 128;
NeoCopy(q->Buf, "ABCDEFG", 8);
}
// Read the packet data from the transmit packet queue
void NeoRead(void *buf)
{
NEO_QUEUE *q;
UINT num;
BOOL left;
// Validate arguments
if (buf == NULL)
{
return;
}
// Copy the packets one by one from the queue
num = 0;
left = TRUE;
NeoLockPacketQueue();
{
while (TRUE)
{
if (num >= NEO_MAX_PACKET_EXCHANGE)
{
if (ctx->PacketQueue == NULL)
{
left = FALSE;
}
break;
}
q = NeoGetNextQueue();
if (q == NULL)
{
left = FALSE;
break;
}
NEO_SIZE_OF_PACKET(buf, num) = q->Size;
NeoCopy(NEO_ADDR_OF_PACKET(buf, num), q->Buf, q->Size);
num++;
NeoFreeQueue(q);
}
}
NeoUnlockPacketQueue();
NEO_NUM_PACKET(buf) = num;
NEO_LEFT_FLAG(buf) = left;
if (left == FALSE)
{
NeoReset(ctx->Event);
}
else
{
NeoSet(ctx->Event);
}
return;
}
// Process the received packet
void NeoWrite(void *buf)
{
UINT num, i, size;
UCHAR *packet_buf;
NET_BUFFER_LIST *nbl_chain = NULL;
NET_BUFFER_LIST *nbl_tail = NULL;
UINT num_nbl_chain = 0;
// Validate arguments
if (buf == NULL)
{
return;
}
// Number of packets
num = NEO_NUM_PACKET(buf);
if (num > NEO_MAX_PACKET_EXCHANGE)
{
// Number of packets is too many
return;
}
if (num == 0)
{
// No packet
return;
}
if (ctx->Halting != FALSE)
{
// Stopping
return;
}
if (ctx->Paused)
{
// Paused
return;
}
if (ctx->Opened == FALSE)
{
// Not connected
return;
}
for (i = 0;i < num;i++)
{
PACKET_BUFFER *p = ctx->PacketBuffer[i];
void *dst;
NET_BUFFER_LIST *nbl = ctx->PacketBuffer[i]->NetBufferList;
NET_BUFFER *nb = NET_BUFFER_LIST_FIRST_NB(nbl);
nbl->SourceHandle = ctx->NdisMiniport;
NET_BUFFER_LIST_NEXT_NBL(nbl) = NULL;
size = NEO_SIZE_OF_PACKET(buf, i);
if (size > NEO_MAX_PACKET_SIZE)
{
size = NEO_MAX_PACKET_SIZE;
}
if (size < NEO_PACKET_HEADER_SIZE)
{
size = NEO_PACKET_HEADER_SIZE;
}
packet_buf = (UCHAR *)(NEO_ADDR_OF_PACKET(buf, i));
if (OK(NdisRetreatNetBufferDataStart(nb, size, 0, NULL)))
{
// Buffer copy
dst = NdisGetDataBuffer(nb,
size,
NULL,
1,
0);
if (dst != NULL)
{
NeoCopy(dst, packet_buf, size);
if (nbl_chain == NULL)
{
nbl_chain = nbl;
}
if (nbl_tail != NULL)
{
NET_BUFFER_LIST_NEXT_NBL(nbl_tail) = nbl;
}
nbl_tail = nbl;
num_nbl_chain++;
}
}
nbl->Status = NDIS_STATUS_RESOURCES;
ctx->Status.Int64BytesRecvTotal += (UINT64)size;
if (packet_buf[0] & 0x40)
{
ctx->Status.Int64NumRecvBroadcast++;
ctx->Status.Int64BytesRecvBroadcast += (UINT64)size;
}
else
{
ctx->Status.Int64NumRecvUnicast++;
ctx->Status.Int64BytesRecvUnicast += (UINT64)size;
}
}
if (nbl_chain == NULL)
{
return;
}
// Notify that it has received
ctx->Status.NumPacketRecv += num_nbl_chain;
NdisMIndicateReceiveNetBufferLists(ctx->NdisMiniport,
nbl_chain, 0, num_nbl_chain, NDIS_RECEIVE_FLAGS_RESOURCES);
if (true)
{
// Restore the packet buffer
NET_BUFFER_LIST *nbl = nbl_chain;
while (nbl != NULL)
{
NET_BUFFER *nb = NET_BUFFER_LIST_FIRST_NB(nbl);
if (nb != NULL)
{
UINT size = NET_BUFFER_DATA_LENGTH(nb);
NdisAdvanceNetBufferDataStart(nb, size, false, NULL);
}
nbl = NET_BUFFER_LIST_NEXT_NBL(nbl);
}
}
}
// Process the received packet
void NeoWrite(void *buf)
{
UINT num, i, size;
void *packet_buf;
// Validate arguments
if (buf == NULL)
{
return;
}
// Number of packets
num = NEO_NUM_PACKET(buf);
if (num > NEO_MAX_PACKET_EXCHANGE)
{
// Number of packets is too many
return;
}
if (num == 0)
{
// No packet
return;
}
if (ctx->Halting != FALSE)
{
// Halting
return;
}
if (ctx->Opened == FALSE)
{
// Not connected
return;
}
for (i = 0;i < num;i++)
{
PACKET_BUFFER *p = ctx->PacketBuffer[i];
size = NEO_SIZE_OF_PACKET(buf, i);
if (size > NEO_MAX_PACKET_SIZE)
{
size = NEO_MAX_PACKET_SIZE;
}
if (size < NEO_PACKET_HEADER_SIZE)
{
size = NEO_PACKET_HEADER_SIZE;
}
packet_buf = NEO_ADDR_OF_PACKET(buf, i);
// Buffer copy
NeoCopy(p->Buf, packet_buf, size);
if (g_is_win8 == false)
{
// Adjust the buffer size
NdisAdjustBufferLength(p->NdisBuffer, size);
// Set the packet information
NDIS_SET_PACKET_STATUS(p->NdisPacket, NDIS_STATUS_RESOURCES);
NDIS_SET_PACKET_HEADER_SIZE(p->NdisPacket, NEO_PACKET_HEADER_SIZE);
}
else
{
NdisMEthIndicateReceive(ctx->NdisMiniport, ctx,
p->Buf, NEO_PACKET_HEADER_SIZE,
((UCHAR *)p->Buf) + NEO_PACKET_HEADER_SIZE, size - NEO_PACKET_HEADER_SIZE,
size - NEO_PACKET_HEADER_SIZE);
NdisMEthIndicateReceiveComplete(ctx->NdisMiniport);
}
}
// Notify that packets have received
ctx->Status.NumPacketRecv += num;
if (g_is_win8 == false)
{
NdisMIndicateReceivePacket(ctx->NdisMiniport, ctx->PacketBufferArray, num);
}
}
// Initialization handler of adapter
NDIS_STATUS NeoNdisInitEx(NDIS_HANDLE MiniportAdapterHandle,
NDIS_HANDLE MiniportDriverContext,
PNDIS_MINIPORT_INIT_PARAMETERS MiniportInitParameters)
{
NDIS_MINIPORT_ADAPTER_REGISTRATION_ATTRIBUTES attr;
NDIS_MINIPORT_ADAPTER_GENERAL_ATTRIBUTES gen;
NDIS_PM_CAPABILITIES pnpcap;
if (ctx == NULL)
{
return NDIS_STATUS_FAILURE;
}
if (ctx->NdisMiniportDriverHandle == NULL)
{
ctx->NdisMiniportDriverHandle = ndis_miniport_driver_handle;
}
// Prevention of multiple start
if (ctx->Initing != FALSE)
{
// Multiple started
return NDIS_STATUS_FAILURE;
}
ctx->Initing = TRUE;
// Examine whether it has already been initialized
if (ctx->Inited != FALSE)
{
// Driver is started on another instance already.
// VPN driver can start only one instance per one service.
// User can start multiple drivers with different instance ID
return NDIS_STATUS_FAILURE;
}
// Current value of the packet filter
ctx->CurrentPacketFilter = NDIS_PACKET_TYPE_ALL_LOCAL | NDIS_PACKET_TYPE_BROADCAST | NDIS_PACKET_TYPE_DIRECTED | NDIS_PACKET_TYPE_ALL_FUNCTIONAL;
// Initialize the adapter information
ctx->NdisMiniport = MiniportAdapterHandle;
ctx->NdisContext = ctx;
ctx->HardwareStatus = NdisHardwareStatusReady;
ctx->Halting = FALSE;
ctx->Connected = ctx->ConnectedOld = FALSE;
//if (keep_link == false)
{
ctx->ConnectedForce = TRUE;
}
// Read the information from the registry
if (NeoLoadRegistory() == FALSE)
{
// Failure
ctx->Initing = FALSE;
return NDIS_STATUS_FAILURE;
}
// Register the device attributes
NeoZero(&attr, sizeof(attr));
attr.Header.Type = NDIS_OBJECT_TYPE_MINIPORT_ADAPTER_REGISTRATION_ATTRIBUTES;
attr.Header.Revision = NDIS_MINIPORT_ADAPTER_REGISTRATION_ATTRIBUTES_REVISION_1;
attr.Header.Size = sizeof(NDIS_MINIPORT_ADAPTER_REGISTRATION_ATTRIBUTES);
attr.AttributeFlags = NDIS_MINIPORT_ATTRIBUTES_NO_HALT_ON_SUSPEND;
attr.InterfaceType = NdisInterfaceInternal;
attr.MiniportAdapterContext = ctx->NdisContext;
NdisMSetMiniportAttributes(ctx->NdisMiniport, (PNDIS_MINIPORT_ADAPTER_ATTRIBUTES)&attr);
NeoZero(&pnpcap, sizeof(pnpcap));
NeoZero(&gen, sizeof(gen));
gen.Header.Type = NDIS_OBJECT_TYPE_MINIPORT_ADAPTER_GENERAL_ATTRIBUTES;
gen.Header.Revision = NDIS_MINIPORT_ADAPTER_GENERAL_ATTRIBUTES_REVISION_2;
gen.Header.Size = NDIS_SIZEOF_MINIPORT_ADAPTER_GENERAL_ATTRIBUTES_REVISION_2;
gen.MediaType = NdisMedium802_3;
gen.PhysicalMediumType = NdisPhysicalMedium802_3;
gen.MtuSize = NEO_MAX_PACKET_SIZE_ANNOUNCE - NEO_MIN_PACKET_SIZE;
gen.MaxXmitLinkSpeed = gen.MaxRcvLinkSpeed = max_speed;
gen.RcvLinkSpeed = gen.XmitLinkSpeed = max_speed;
gen.MediaConnectState = MediaConnectStateDisconnected;
gen.LookaheadSize = NEO_MAX_PACKET_SIZE_ANNOUNCE - NEO_MIN_PACKET_SIZE;
gen.MacOptions = NDIS_MAC_OPTION_TRANSFERS_NOT_PEND | NDIS_MAC_OPTION_COPY_LOOKAHEAD_DATA | NDIS_MAC_OPTION_NO_LOOPBACK;
gen.SupportedPacketFilters = NDIS_PACKET_TYPE_ALL_LOCAL | NDIS_PACKET_TYPE_BROADCAST | NDIS_PACKET_TYPE_DIRECTED | NDIS_PACKET_TYPE_ALL_FUNCTIONAL;
gen.MaxMulticastListSize = NEO_MAX_MULTICASE;
gen.MacAddressLength = NEO_MAC_ADDRESS_SIZE;
NeoCopy(gen.PermanentMacAddress, ctx->MacAddress, NEO_MAC_ADDRESS_SIZE);
NeoCopy(gen.CurrentMacAddress, ctx->MacAddress, NEO_MAC_ADDRESS_SIZE);
gen.AccessType = NET_IF_ACCESS_BROADCAST;
gen.DirectionType = NET_IF_DIRECTION_SENDRECEIVE;
gen.ConnectionType = NET_IF_CONNECTION_DEDICATED;
gen.IfType = IF_TYPE_ETHERNET_CSMACD;
gen.IfConnectorPresent = TRUE;
gen.SupportedStatistics =
NDIS_STATISTICS_FLAGS_VALID_DIRECTED_FRAMES_RCV |
NDIS_STATISTICS_FLAGS_VALID_MULTICAST_FRAMES_RCV |
NDIS_STATISTICS_FLAGS_VALID_BROADCAST_FRAMES_RCV |
NDIS_STATISTICS_FLAGS_VALID_BYTES_RCV |
NDIS_STATISTICS_FLAGS_VALID_RCV_DISCARDS |
NDIS_STATISTICS_FLAGS_VALID_RCV_ERROR |
NDIS_STATISTICS_FLAGS_VALID_DIRECTED_FRAMES_XMIT |
NDIS_STATISTICS_FLAGS_VALID_MULTICAST_FRAMES_XMIT |
NDIS_STATISTICS_FLAGS_VALID_BROADCAST_FRAMES_XMIT |
NDIS_STATISTICS_FLAGS_VALID_BYTES_XMIT |
NDIS_STATISTICS_FLAGS_VALID_XMIT_ERROR |
NDIS_STATISTICS_FLAGS_VALID_XMIT_DISCARDS |
NDIS_STATISTICS_FLAGS_VALID_DIRECTED_BYTES_RCV |
NDIS_STATISTICS_FLAGS_VALID_MULTICAST_BYTES_RCV |
NDIS_STATISTICS_FLAGS_VALID_BROADCAST_BYTES_RCV |
NDIS_STATISTICS_FLAGS_VALID_DIRECTED_BYTES_XMIT |
NDIS_STATISTICS_FLAGS_VALID_MULTICAST_BYTES_XMIT |
NDIS_STATISTICS_FLAGS_VALID_BROADCAST_BYTES_XMIT;
gen.SupportedPauseFunctions = NdisPauseFunctionsUnsupported;
gen.AutoNegotiationFlags = NDIS_LINK_STATE_XMIT_LINK_SPEED_AUTO_NEGOTIATED |
NDIS_LINK_STATE_RCV_LINK_SPEED_AUTO_NEGOTIATED |
NDIS_LINK_STATE_DUPLEX_AUTO_NEGOTIATED |
NDIS_LINK_STATE_PAUSE_FUNCTIONS_AUTO_NEGOTIATED;
gen.SupportedOidList = SupportedOids;
gen.SupportedOidListLength = sizeof(SupportedOids);
NeoZero(&pnpcap, sizeof(pnpcap));
pnpcap.Header.Type = NDIS_OBJECT_TYPE_DEFAULT;
pnpcap.Header.Revision = NDIS_PM_CAPABILITIES_REVISION_1;
pnpcap.Header.Size = NDIS_SIZEOF_NDIS_PM_CAPABILITIES_REVISION_1;
pnpcap.MinMagicPacketWakeUp = NdisDeviceStateUnspecified;
pnpcap.MinPatternWakeUp = NdisDeviceStateUnspecified;
pnpcap.MinLinkChangeWakeUp = NdisDeviceStateUnspecified;
gen.PowerManagementCapabilitiesEx = &pnpcap;
NdisMSetMiniportAttributes(ctx->NdisMiniport, (PNDIS_MINIPORT_ADAPTER_ATTRIBUTES)&gen);
// Initialize the received packet array
NeoInitPacketArray();
// Initialize the control device
NeoInitControlDevice();
// Start the adapter
NeoStartAdapter();
// Flag setting
ctx->Initing = FALSE;
ctx->Inited = TRUE;
// Notify the connection state
NeoSetConnectState(FALSE);
return NDIS_STATUS_SUCCESS;
}
// Information acquisition handler of adapter
NDIS_STATUS NeoNdisQuery(NDIS_HANDLE MiniportAdapterContext,
NDIS_OID Oid,
void *InformationBuffer,
ULONG InformationBufferLength,
ULONG *BytesWritten,
ULONG *BytesNeeded)
{
NDIS_MEDIUM media;
void *buf;
UINT value32;
USHORT value16;
UINT size;
if (ctx == NULL)
{
return NDIS_STATUS_FAILURE;
}
// Initialization
size = sizeof(UINT);
value32 = value16 = 0;
buf = &value32;
// Branch processing
switch (Oid)
{
case OID_GEN_SUPPORTED_LIST:
// Return a list of supported OID
buf = SupportedOids;
size = sizeof(SupportedOids);
break;
case OID_GEN_MAC_OPTIONS:
// Ethernet option
value32 = NDIS_MAC_OPTION_TRANSFERS_NOT_PEND | NDIS_MAC_OPTION_RECEIVE_SERIALIZED |
NDIS_MAC_OPTION_COPY_LOOKAHEAD_DATA | NDIS_MAC_OPTION_NO_LOOPBACK;
break;
case OID_GEN_HARDWARE_STATUS:
// Hardware state
buf = &ctx->HardwareStatus;
size = sizeof(NDIS_HARDWARE_STATUS);
break;
case OID_GEN_MEDIA_SUPPORTED:
case OID_GEN_MEDIA_IN_USE:
// Type of media
media = NdisMedium802_3;
buf = &media;
size = sizeof(NDIS_MEDIUM);
break;
case OID_GEN_CURRENT_LOOKAHEAD:
case OID_GEN_MAXIMUM_LOOKAHEAD:
// Available look-ahead size
value32 = NEO_MAX_PACKET_SIZE_ANNOUNCE - NEO_MIN_PACKET_SIZE;
break;
case OID_GEN_MAXIMUM_FRAME_SIZE:
// Maximum frame size
value32 = NEO_MAX_PACKET_SIZE_ANNOUNCE - NEO_MIN_PACKET_SIZE;
break;
case OID_GEN_MAXIMUM_TOTAL_SIZE:
case OID_GEN_TRANSMIT_BLOCK_SIZE:
case OID_GEN_RECEIVE_BLOCK_SIZE:
// Maximum packet size
value32 = NEO_MAX_PACKET_SIZE_ANNOUNCE;
break;
case OID_GEN_TRANSMIT_BUFFER_SPACE:
case OID_GEN_RECEIVE_BUFFER_SPACE:
// Buffer size
value32 = NEO_MAX_PACKET_SIZE_ANNOUNCE * NEO_MAX_PACKET_EXCHANGE;
break;
case OID_GEN_LINK_SPEED:
// Communication speed
value32 = max_speed;
break;
case OID_GEN_VENDOR_ID:
// Vendor ID
NeoCopy(&value32, ctx->MacAddress, 3);
value32 &= 0xFFFFFF00;
value32 |= 0x01;
break;
case OID_GEN_VENDOR_DESCRIPTION:
// Hardware ID
buf = ctx->HardwarePrintableID;
size = (UINT)strlen(ctx->HardwarePrintableID) + 1;
break;
case OID_GEN_DRIVER_VERSION:
// Driver version
value16 = ((USHORT)NEO_NDIS_MAJOR_VERSION << 8) | NEO_NDIS_MINOR_VERSION;
buf = &value16;
size = sizeof(USHORT);
break;
case OID_GEN_VENDOR_DRIVER_VERSION:
// Vendor driver version
value16 = ((USHORT)NEO_NDIS_MAJOR_VERSION << 8) | NEO_NDIS_MINOR_VERSION;
buf = &value16;
size = sizeof(USHORT);
break;
case OID_802_3_PERMANENT_ADDRESS:
case OID_802_3_CURRENT_ADDRESS:
// MAC address
buf = ctx->MacAddress;
size = NEO_MAC_ADDRESS_SIZE;
break;
case OID_802_3_MAXIMUM_LIST_SIZE:
// Number of multicast
value32 = NEO_MAX_MULTICASE;
break;
case OID_GEN_MAXIMUM_SEND_PACKETS:
// Number of packets that can be sent at a time
value32 = NEO_MAX_PACKET_EXCHANGE;
break;
case OID_GEN_XMIT_OK:
// Number of packets sent
value32 = ctx->Status.NumPacketSend;
break;
case OID_GEN_RCV_OK:
// Number of received packets
value32 = ctx->Status.NumPacketRecv;
break;
case OID_GEN_XMIT_ERROR:
// Number of transmission error packets
value32 = ctx->Status.NumPacketSendError;
break;
case OID_GEN_RCV_ERROR:
// Number of error packets received
value32 = ctx->Status.NumPacketRecvError;
break;
case OID_GEN_RCV_NO_BUFFER:
// Number of reception buffer shortage occurrences
value32 = ctx->Status.NumPacketRecvNoBuffer;
break;
case OID_802_3_RCV_ERROR_ALIGNMENT:
// Number of errors
value32 = 0;
break;
case OID_GEN_MEDIA_CONNECT_STATUS:
// Cable connection state
NeoCheckConnectState();
if (keep_link == false)
{
value32 = ctx->Connected ? NdisMediaStateConnected : NdisMediaStateDisconnected;
}
else
{
value32 = NdisMediaStateConnected;
}
break;
case OID_802_3_XMIT_ONE_COLLISION:
case OID_802_3_XMIT_MORE_COLLISIONS:
// Number of collisions
value32 = 0;
break;
case OID_GEN_CURRENT_PACKET_FILTER:
// Current settings of the packet filter
value32 = ctx->CurrentPacketFilter;
break;
/* case OID_GEN_PROTOCOL_OPTIONS:
// Current value of the protocol option
value32 = ctx->CurrentProtocolOptions;
break;*/
default:
// Unknown OID
*BytesWritten = 0;
return NDIS_STATUS_INVALID_OID;
}
if (size > InformationBufferLength)
{
// Undersize
*BytesNeeded = size;
*BytesWritten = 0;
return NDIS_STATUS_INVALID_LENGTH;
}
// Data copy
NeoCopy(InformationBuffer, buf, size);
*BytesWritten = size;
return NDIS_STATUS_SUCCESS;
}
// Read the information from the registry
BOOL NeoLoadRegistory()
{
void *buf;
NDIS_STATUS ret;
UINT size;
NDIS_HANDLE config;
NDIS_CONFIGURATION_PARAMETER *param;
UNICODE *name;
ANSI_STRING ansi;
UNICODE_STRING *unicode;
UINT speed;
BOOL keep;
// Get the config handle
NdisOpenConfiguration(&ret, &config, ctx->NdisConfig);
if (NG(ret))
{
// Failure
return FALSE;
}
// Read the MAC address
NdisReadNetworkAddress(&ret, &buf, &size, config);
if (NG(ret))
{
// Failure
NdisCloseConfiguration(config);
return FALSE;
}
// Copy the MAC address
if (size != NEO_MAC_ADDRESS_SIZE)
{
// Invalid size
NdisCloseConfiguration(config);
return FALSE;
}
NeoCopy(ctx->MacAddress, buf, NEO_MAC_ADDRESS_SIZE);
if (ctx->MacAddress[0] == 0x00 &&
ctx->MacAddress[1] == 0x00 &&
ctx->MacAddress[2] == 0x01 &&
ctx->MacAddress[3] == 0x00 &&
ctx->MacAddress[4] == 0x00 &&
ctx->MacAddress[5] == 0x01)
{
// Special MAC address
UINT ptr32 = (UINT)((UINT64)ctx);
ctx->MacAddress[0] = 0x00;
ctx->MacAddress[1] = 0xAD;
ctx->MacAddress[2] = ((UCHAR *)(&ptr32))[0];
ctx->MacAddress[3] = ((UCHAR *)(&ptr32))[1];
ctx->MacAddress[4] = ((UCHAR *)(&ptr32))[2];
ctx->MacAddress[5] = ((UCHAR *)(&ptr32))[3];
}
// Initialize the key name of the device name
name = NewUnicode("MatchingDeviceId");
// Read the hardware ID
NdisReadConfiguration(&ret, ¶m, config, GetUnicode(name), NdisParameterString);
FreeUnicode(name);
if (NG(ret))
{
// Failure
NdisCloseConfiguration(config);
return FALSE;
}
// Type checking
if (param->ParameterType != NdisParameterString)
{
// Failure
NdisCloseConfiguration(config);
return FALSE;
}
unicode = ¶m->ParameterData.StringData;
// Prepare a buffer for ANSI string
NeoZero(&ansi, sizeof(ANSI_STRING));
ansi.MaximumLength = MAX_SIZE - 1;
ansi.Buffer = NeoZeroMalloc(MAX_SIZE);
// Convert to ANSI string
NdisUnicodeStringToAnsiString(&ansi, unicode);
// Copy
strcpy(ctx->HardwareID, ansi.Buffer);
strcpy(ctx->HardwareID_Raw, ctx->HardwareID);
// Convert to upper case
_strupr(ctx->HardwareID);
// Release the memory
NeoFree(ansi.Buffer);
// Read the bit rate
name = NewUnicode("MaxSpeed");
NdisReadConfiguration(&ret, ¶m, config, GetUnicode(name), NdisParameterInteger);
FreeUnicode(name);
if (NG(ret) || param->ParameterType != NdisParameterInteger)
{
speed = NEO_MAX_SPEED_DEFAULT;
}
else
{
speed = param->ParameterData.IntegerData * 10000;
}
max_speed = speed;
// Read the link keeping flag
name = NewUnicode("KeepLink");
NdisReadConfiguration(&ret, ¶m, config, GetUnicode(name), NdisParameterInteger);
FreeUnicode(name);
if (NG(ret) || param->ParameterType != NdisParameterInteger)
{
keep = false;
}
else
{
keep = (param->ParameterData.IntegerData == 0 ? false : true);
}
keep_link = keep;
// Close the Config handle
NdisCloseConfiguration(config);
return TRUE;
}
// Packet send handler
void NeoNdisSendPackets(NDIS_HANDLE MiniportAdapterContext,
NDIS_PACKET **PacketArray,
UINT NumberOfPackets)
{
UCHAR *Buf,*BufCopy;
PNDIS_BUFFER Buffer;
UCHAR *Tmp;
UINT PacketLength;
UINT CurrentLength;
UINT i;
if (ctx == NULL)
{
return;
}
// Update the connection state
NeoCheckConnectState();
if (NumberOfPackets == 0)
{
// The number of packets is 0
return;
}
if (NeoNdisSendPacketsHaltCheck(PacketArray, NumberOfPackets) == FALSE)
{
// Device is stopped
return;
}
// Operation of the packet queue
NeoLockPacketQueue();
{
if (NeoNdisSendPacketsHaltCheck(PacketArray, NumberOfPackets) == FALSE)
{
// Device is stopped
NeoUnlockPacketQueue();
return;
}
// Place the packet in the queue in order
for (i = 0;i < NumberOfPackets;i++)
{
// Get a packet
NdisQueryPacket(PacketArray[i], NULL, NULL, &Buffer, &PacketLength);
// Extract the packet.
// Memory allocated here is used for the queue and is released at the time of releasing the queue.
Buf = NeoMalloc(PacketLength);
BufCopy = Buf;
while (Buffer)
{
NdisQueryBuffer(Buffer, &Tmp, &CurrentLength);
if (CurrentLength == 0)
{
// Complete
break;
}
NeoCopy(BufCopy, Tmp, CurrentLength);
BufCopy += CurrentLength;
NdisGetNextBuffer(Buffer, &Buffer);
}
// Process this packet
if (PacketLength > NEO_MIN_PACKET_SIZE)
{
if (PacketLength > NEO_MAX_PACKET_SIZE)
{
// Packet is too large
NDIS_SET_PACKET_STATUS(PacketArray[i], NDIS_STATUS_FAILURE);
if (g_is_win8)
{
NdisMSendComplete(ctx->NdisMiniport, PacketArray[i], NDIS_STATUS_FAILURE);
}
ctx->Status.NumPacketSendError++;
NeoFree(Buf);
}
else
{
// Insert the packet into the queue
NeoInsertQueue(Buf, PacketLength);
NDIS_SET_PACKET_STATUS(PacketArray[i], NDIS_STATUS_SUCCESS);
if (g_is_win8)
{
NdisMSendComplete(ctx->NdisMiniport, PacketArray[i], NDIS_STATUS_SUCCESS);
}
ctx->Status.NumPacketSend++;
}
}
else
{
// Release if the packet doesn't contain data
NDIS_SET_PACKET_STATUS(PacketArray[i], NDIS_STATUS_SUCCESS);
if (g_is_win8)
{
NdisMSendComplete(ctx->NdisMiniport, PacketArray[i], NDIS_STATUS_SUCCESS);
}
NeoFree(Buf);
}
}
}
NeoUnlockPacketQueue();
// Reception event
NeoSet(ctx->Event);
}
// Information acquisition handler of adapter
NDIS_STATUS NeoNdisQuery(NDIS_HANDLE MiniportAdapterContext,
NDIS_OID Oid,
void *InformationBuffer,
ULONG InformationBufferLength,
ULONG *BytesWritten,
ULONG *BytesNeeded)
{
NDIS_MEDIUM media;
void *buf;
UINT value32;
USHORT value16;
UINT size;
NDIS_STATISTICS_INFO stat;
NDIS_INTERRUPT_MODERATION_PARAMETERS intp;
if (ctx == NULL)
{
return NDIS_STATUS_FAILURE;
}
// Initialization
size = sizeof(UINT);
value32 = value16 = 0;
buf = &value32;
// Branch processing
switch (Oid)
{
case OID_GEN_SUPPORTED_LIST:
// Return a list of supported OID
buf = SupportedOids;
size = sizeof(SupportedOids);
break;
case OID_GEN_MAC_OPTIONS:
// Ethernet option
value32 = NDIS_MAC_OPTION_TRANSFERS_NOT_PEND | NDIS_MAC_OPTION_RECEIVE_SERIALIZED |
NDIS_MAC_OPTION_COPY_LOOKAHEAD_DATA | NDIS_MAC_OPTION_NO_LOOPBACK;
break;
case OID_GEN_HARDWARE_STATUS:
// Hardware state
buf = &ctx->HardwareStatus;
size = sizeof(NDIS_HARDWARE_STATUS);
break;
case OID_GEN_MEDIA_SUPPORTED:
case OID_GEN_MEDIA_IN_USE:
// Type of media
media = NdisMedium802_3;
buf = &media;
size = sizeof(NDIS_MEDIUM);
break;
case OID_GEN_CURRENT_LOOKAHEAD:
case OID_GEN_MAXIMUM_LOOKAHEAD:
// Read-ahead available size
value32 = NEO_MAX_PACKET_SIZE_ANNOUNCE - NEO_MIN_PACKET_SIZE;
break;
case OID_GEN_MAXIMUM_FRAME_SIZE:
// Maximum frame size
value32 = NEO_MAX_PACKET_SIZE_ANNOUNCE - NEO_MIN_PACKET_SIZE;
break;
case OID_GEN_MAXIMUM_TOTAL_SIZE:
case OID_GEN_TRANSMIT_BLOCK_SIZE:
case OID_GEN_RECEIVE_BLOCK_SIZE:
// Maximum packet size
value32 = NEO_MAX_PACKET_SIZE_ANNOUNCE;
break;
case OID_GEN_TRANSMIT_BUFFER_SPACE:
case OID_GEN_RECEIVE_BUFFER_SPACE:
// Buffer size
value32 = NEO_MAX_PACKET_SIZE_ANNOUNCE * NEO_MAX_PACKET_EXCHANGE;
break;
case OID_GEN_LINK_SPEED:
// Communication speed
value32 = (UINT)(max_speed / 100);
break;
case OID_GEN_VENDOR_ID:
// Vendor ID
NeoCopy(&value32, ctx->MacAddress, 3);
value32 &= 0xFFFFFF00;
value32 |= 0x01;
break;
case OID_GEN_VENDOR_DESCRIPTION:
// Hardware ID
buf = ctx->HardwarePrintableID;
size = (UINT)strlen(ctx->HardwarePrintableID) + 1;
break;
case OID_GEN_DRIVER_VERSION:
// Driver version
value16 = ((USHORT)NEO_NDIS_MAJOR_VERSION << 8) | NEO_NDIS_MINOR_VERSION;
buf = &value16;
size = sizeof(USHORT);
break;
case OID_GEN_VENDOR_DRIVER_VERSION:
// Vendor driver version
value16 = ((USHORT)NEO_NDIS_MAJOR_VERSION << 8) | NEO_NDIS_MINOR_VERSION;
buf = &value16;
size = sizeof(USHORT);
break;
case OID_802_3_PERMANENT_ADDRESS:
case OID_802_3_CURRENT_ADDRESS:
// MAC address
buf = ctx->MacAddress;
size = NEO_MAC_ADDRESS_SIZE;
break;
case OID_802_3_MAXIMUM_LIST_SIZE:
// Number of multicast
value32 = NEO_MAX_MULTICASE;
break;
case OID_GEN_MAXIMUM_SEND_PACKETS:
// Number of packets that can be sent at a time
value32 = NEO_MAX_PACKET_EXCHANGE;
break;
case OID_GEN_XMIT_OK:
// Number of packets sent
value32 = ctx->Status.NumPacketSend;
break;
case OID_GEN_RCV_OK:
// Number of received packets
value32 = ctx->Status.NumPacketRecv;
break;
case OID_GEN_XMIT_ERROR:
// Number of transmission error packets
value32 = ctx->Status.NumPacketSendError;
break;
case OID_GEN_RCV_ERROR:
// Number of error packets received
value32 = ctx->Status.NumPacketRecvError;
break;
case OID_GEN_RCV_NO_BUFFER:
// Number of reception buffer shortage occurrences
value32 = ctx->Status.NumPacketRecvNoBuffer;
break;
case OID_802_3_RCV_ERROR_ALIGNMENT:
// Number of errors
value32 = 0;
break;
case OID_GEN_MEDIA_CONNECT_STATUS:
// Cable connection state
NeoCheckConnectState();
if (keep_link == false)
{
value32 = ctx->Connected ? NdisMediaStateConnected : NdisMediaStateDisconnected;
}
else
{
value32 = NdisMediaStateConnected;
}
break;
case OID_802_3_XMIT_ONE_COLLISION:
case OID_802_3_XMIT_MORE_COLLISIONS:
// Number of collisions
value32 = 0;
break;
case OID_GEN_CURRENT_PACKET_FILTER:
// Current settings of the packet filter
value32 = ctx->CurrentPacketFilter;
break;
/* case OID_GEN_PROTOCOL_OPTIONS:
// Current value of the protocol option
value32 = ctx->CurrentProtocolOptions;
break;*/
case OID_GEN_STATISTICS:
// Statistics (NDIS 6.0)
NeoZero(&stat, sizeof(stat));
buf = &stat;
size = sizeof(stat);
stat.Header.Type = NDIS_OBJECT_TYPE_DEFAULT;
stat.Header.Revision = NDIS_STATISTICS_INFO_REVISION_1;
stat.Header.Size = NDIS_SIZEOF_STATISTICS_INFO_REVISION_1;
stat.SupportedStatistics =
NDIS_STATISTICS_FLAGS_VALID_DIRECTED_FRAMES_RCV |
NDIS_STATISTICS_FLAGS_VALID_MULTICAST_FRAMES_RCV |
NDIS_STATISTICS_FLAGS_VALID_BROADCAST_FRAMES_RCV |
NDIS_STATISTICS_FLAGS_VALID_BYTES_RCV |
NDIS_STATISTICS_FLAGS_VALID_RCV_DISCARDS |
NDIS_STATISTICS_FLAGS_VALID_RCV_ERROR |
NDIS_STATISTICS_FLAGS_VALID_DIRECTED_FRAMES_XMIT |
NDIS_STATISTICS_FLAGS_VALID_MULTICAST_FRAMES_XMIT |
NDIS_STATISTICS_FLAGS_VALID_BROADCAST_FRAMES_XMIT |
NDIS_STATISTICS_FLAGS_VALID_BYTES_XMIT |
NDIS_STATISTICS_FLAGS_VALID_XMIT_ERROR |
NDIS_STATISTICS_FLAGS_VALID_XMIT_DISCARDS |
NDIS_STATISTICS_FLAGS_VALID_DIRECTED_BYTES_RCV |
NDIS_STATISTICS_FLAGS_VALID_MULTICAST_BYTES_RCV |
NDIS_STATISTICS_FLAGS_VALID_BROADCAST_BYTES_RCV |
NDIS_STATISTICS_FLAGS_VALID_DIRECTED_BYTES_XMIT |
NDIS_STATISTICS_FLAGS_VALID_MULTICAST_BYTES_XMIT |
NDIS_STATISTICS_FLAGS_VALID_BROADCAST_BYTES_XMIT;
stat.ifInErrors = ctx->Status.Int64NumRecvError;
stat.ifHCInOctets = ctx->Status.Int64BytesRecvTotal;
stat.ifHCInUcastPkts = ctx->Status.Int64NumRecvUnicast;
stat.ifHCInBroadcastPkts = ctx->Status.Int64NumRecvBroadcast;
stat.ifHCOutOctets = ctx->Status.Int64BytesSendTotal;
stat.ifHCOutUcastPkts = ctx->Status.Int64NumSendUnicast;
stat.ifHCOutBroadcastPkts = ctx->Status.Int64NumSendBroadcast;
stat.ifOutErrors = ctx->Status.Int64NumSendError;
stat.ifHCInUcastOctets = ctx->Status.Int64BytesRecvUnicast;
stat.ifHCInBroadcastOctets = ctx->Status.Int64BytesRecvBroadcast;
stat.ifHCOutUcastOctets = ctx->Status.Int64BytesSendUnicast;
stat.ifHCOutBroadcastOctets = ctx->Status.Int64BytesSendBroadcast;
break;
case OID_GEN_INTERRUPT_MODERATION:
// Interrupt Moderation (NDIS 6.0)
NeoZero(&intp, sizeof(intp));
buf = &intp;
size = sizeof(intp);
intp.Header.Type = NDIS_OBJECT_TYPE_DEFAULT;
intp.Header.Revision = NDIS_INTERRUPT_MODERATION_PARAMETERS_REVISION_1;
intp.Header.Size = NDIS_SIZEOF_INTERRUPT_MODERATION_PARAMETERS_REVISION_1;
intp.InterruptModeration = NdisInterruptModerationNotSupported;
break;
default:
// Unknown OID
*BytesWritten = 0;
return NDIS_STATUS_INVALID_OID;
}
if (size > InformationBufferLength)
{
// Undersize
*BytesNeeded = size;
*BytesWritten = 0;
return NDIS_STATUS_INVALID_LENGTH;
}
// Data copy
NeoCopy(InformationBuffer, buf, size);
*BytesWritten = size;
return NDIS_STATUS_SUCCESS;
}
// Packet send handler
void NeoNdisSendNetBufferLists(NDIS_HANDLE MiniportAdapterContext,
NET_BUFFER_LIST *NetBufferLists,
NDIS_PORT_NUMBER PortNumber,
ULONG SendFlags)
{
if (ctx == NULL)
{
return;
}
// Update the connection state
NeoCheckConnectState();
if (NeoNdisSendPacketsHaltCheck(NetBufferLists) == FALSE)
{
// Device is stopped
return;
}
// Operation of the packet queue
NeoLockPacketQueue();
{
NET_BUFFER_LIST *nbl;
if (NeoNdisSendPacketsHaltCheck(NetBufferLists) == FALSE)
{
// Device is stopped
NeoUnlockPacketQueue();
return;
}
nbl = NetBufferLists;
while (nbl != NULL)
{
NET_BUFFER *nb = NET_BUFFER_LIST_FIRST_NB(nbl);
while (nb != NULL)
{
UINT size = NET_BUFFER_DATA_LENGTH(nb);
if (size >= NEO_MIN_PACKET_SIZE && size <= NEO_MAX_PACKET_SIZE)
{
UCHAR *buf = NeoMalloc(size);
void *ptr;
ptr = NdisGetDataBuffer(nb, size, buf, 1, 0);
if (ptr == NULL)
{
ctx->Status.NumPacketSendError++;
ctx->Status.Int64NumSendError++;
NeoFree(buf);
}
else
{
if (ptr != buf)
{
NeoCopy(buf, ptr, size);
}
NeoInsertQueue(buf, size);
ctx->Status.NumPacketSend++;
if (buf[0] & 0x40)
{
ctx->Status.Int64NumSendBroadcast++;
ctx->Status.Int64BytesSendBroadcast += (UINT64)size;
}
else
{
ctx->Status.Int64NumSendUnicast++;
ctx->Status.Int64BytesSendUnicast += (UINT64)size;
}
ctx->Status.Int64BytesSendTotal += (UINT64)size;
}
}
else
{
ctx->Status.NumPacketSendError++;
ctx->Status.Int64NumSendError++;
}
nb = NET_BUFFER_NEXT_NB(nb);
}
nbl = NET_BUFFER_LIST_NEXT_NBL(nbl);
}
}
NeoUnlockPacketQueue();
// Notify the transmission completion
NdisMSendNetBufferListsComplete(ctx->NdisMiniport, NetBufferLists, NDIS_STATUS_SUCCESS);
// Reception event
NeoSet(ctx->Event);
}
