432 lines
27 KiB
C
432 lines
27 KiB
C
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/*++
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Copyright (c) 1990-1995 Microsoft Corporation
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Module Name:
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sendm.h
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Abstract:
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Author:
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Kyle Brandon (KyleB)
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Environment:
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Kernel mode
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Revision History:
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--*/
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#ifndef __SENDM_H
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#define __SENDM_H
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#define SEND_PACKET_ARRAY 16
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//
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// The following definitions apply to serialized drivers only. Packets for the deserialized drivers are not queued
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// within NDIS
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//
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#define PACKET_LIST(_P) (PLIST_ENTRY)((_P)->WrapperReserved)
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#define GET_FIRST_MINIPORT_PACKET(_M, _P) \
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{ \
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*(_P) = NULL; \
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if (!IsListEmpty(&(_M)->PacketList)) \
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{ \
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PLIST_ENTRY _L; \
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\
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_L = (_M)->PacketList.Flink; \
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*(_P) = CONTAINING_RECORD(_L, NDIS_PACKET, WrapperReserved); \
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} \
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}
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//
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// Macros used for getting to OOB data and packet extension.
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//
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#define PNDIS_PACKET_OOB_DATA_FROM_PNDIS_PACKET(_P) \
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(PNDIS_PACKET_OOB_DATA)((PUCHAR)(_P) + (_P)->Private.NdisPacketOobOffset)
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#define INIT_PACKET_LIST(_P) InitializeListHead(PACKET_LIST(_P))
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#define LINK_PACKET(_M, _P, _NSR, _O) \
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{ \
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(_NSR)->Open = _O; \
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INIT_PACKET_LIST(_P); \
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\
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InsertTailList(&(_M)->PacketList, \
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PACKET_LIST(_P)); \
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}
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#define LINK_WAN_PACKET(_M, _P) \
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{ \
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InitializeListHead(&(_P)->WanPacketQueue); \
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\
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InsertTailList(&(_M)->PacketList, \
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&(_P)->WanPacketQueue); \
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}
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#define UNLINK_PACKET(_M, _P, _NSR) \
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{ \
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ASSERT(_P != (_M)->FirstPendingPacket); \
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RemoveEntryList(PACKET_LIST(_P)); \
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INIT_PACKET_LIST(_P); \
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}
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#define UNLINK_WAN_PACKET(_P) \
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{ \
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RemoveEntryList(&(_P)->WanPacketQueue); \
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InitializeListHead(&(_P)->WanPacketQueue); \
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}
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#if DBG
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#define VALIDATE_PACKET_OPEN(_P) \
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{ \
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PNDIS_STACK_RESERVED _NSR; \
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\
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NDIS_STACK_RESERVED_FROM_PACKET(_P, &_NSR); \
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ASSERT(VALID_OPEN(_NSR->Open)); \
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}
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#else
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#define VALIDATE_PACKET_OPEN(_P)
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#endif
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#define NEXT_PACKET_PENDING(_M, _P, _NSR) \
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{ \
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PLIST_ENTRY _List; \
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\
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_List = PACKET_LIST(_P); \
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(_M)->FirstPendingPacket = NULL; \
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if (_List->Flink != &(_M)->PacketList) \
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{ \
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(_M)->FirstPendingPacket = \
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CONTAINING_RECORD(_List->Flink, \
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NDIS_PACKET, \
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WrapperReserved); \
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VALIDATE_PACKET_OPEN((_M)->FirstPendingPacket); \
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} \
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}
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#if DBG
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#define CHECK_FOR_DUPLICATE_PACKET(_M, _P) \
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{ \
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IF_DBG(DBG_COMP_SEND, DBG_LEVEL_FATAL) \
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{ \
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PLIST_ENTRY _List; \
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\
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if (!IsListEmpty(&(_M)->PacketList)) \
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{ \
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PNDIS_PACKET _Pkt; \
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\
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for (_List = (_M)->PacketList.Flink; \
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_List != &(_M)->PacketList; \
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_List = _List->Flink) \
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{ \
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_Pkt = CONTAINING_RECORD(_List, \
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NDIS_PACKET, \
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WrapperReserved); \
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if (_P == _Pkt) \
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{ \
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DBGBREAK(DBG_COMP_SEND, DBG_LEVEL_FATAL); \
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} \
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} \
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} \
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} \
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}
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#else
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#define CHECK_FOR_DUPLICATE_PACKET(_M, _P)
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#endif
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#define ADD_RESOURCE(_M, C) MINIPORT_SET_FLAG(_M, fMINIPORT_RESOURCES_AVAILABLE)
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#define CLEAR_RESOURCE(_M, C) MINIPORT_CLEAR_FLAG(_M, fMINIPORT_RESOURCES_AVAILABLE)
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#define VALID_OPEN(_O) (((ULONG_PTR)(_O) & 0xFFFFFF00) != MAGIC_OPEN)
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#define MAGIC_OPEN 'MOC\00'
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#define MAGIC_OPEN_I(x) (PVOID)((MAGIC_OPEN & 0xFFFFFF00) + 0x00000030 + x)
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#define CLEAR_WRAPPER_RESERVED(_NSR) (_NSR)->RefUlong = 0
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#if ARCNET
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#define FREE_ARCNET_BUFFER(_M, _P, _O) \
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{ \
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/* \
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* If this is arcnet, then free the appended header. \
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*/ \
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if ((_M)->MediaType == NdisMediumArcnet878_2) \
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{ \
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ndisMFreeArcnetHeader(_M, _P, _O); \
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} \
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}
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#else
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#define FREE_ARCNET_BUFFER(_M, _P, _O)
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#endif
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#define NDISM_COMPLETE_SEND(_M, _P, _NSR, _S, _L, _I) \
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{ \
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PNDIS_OPEN_BLOCK _O; \
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\
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if (!(_L)) \
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NDIS_ACQUIRE_MINIPORT_SPIN_LOCK_DPC(_M); \
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\
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_O = (_NSR)->Open; \
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\
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UNLINK_PACKET(_M, _P, _NSR); \
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POP_PACKET_STACK(_P); \
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\
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ADD_RESOURCE((_M), 'F'); \
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\
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DBGPRINT(DBG_COMP_SEND, DBG_LEVEL_INFO, \
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("Completed 0x%x\n", (_S))); \
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\
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FREE_ARCNET_BUFFER(_M, _P, _O); \
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\
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(_NSR)->Open = MAGIC_OPEN_I(_I); \
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M_OPEN_DECREMENT_REF(_O); \
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\
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if (!(_L) && (NULL != (_M)->FirstPendingPacket)) \
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{ \
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/* \
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* Do we need to queue another workitem to process more sends ? \
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*/ \
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NDISM_QUEUE_WORK_ITEM(_M, NdisWorkItemSend, NULL); \
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} \
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\
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/* \
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* Indicate the completion to the protocol. \
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*/ \
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NDIS_RELEASE_MINIPORT_SPIN_LOCK_DPC((_M)); \
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\
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/* \
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* Make sure that an IM which shares send and receive packets on the same \
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* pool works fine with the check in the receive path. \
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*/ \
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(_NSR)->RefCount = 0; \
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MINIPORT_CLEAR_PACKET_FLAG(_P, fPACKET_CLEAR_ITEMS); \
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CLEAR_WRAPPER_RESERVED(_NSR); \
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(_O->SendCompleteHandler)(_O->ProtocolBindingContext, \
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(_P), \
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(_S)); \
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\
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DBGPRINT(DBG_COMP_OPENREF, DBG_LEVEL_INFO, \
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("- Open 0x%x Reference 0x%x\n", _O, _O->References)); \
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\
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if (_O->References == 0) \
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{ \
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NDIS_ACQUIRE_MINIPORT_SPIN_LOCK_DPC(_M); \
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ndisMFinishClose(_O); \
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NDIS_RELEASE_MINIPORT_SPIN_LOCK_DPC((_M)); \
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} \
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\
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if (_L) \
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NDIS_ACQUIRE_MINIPORT_SPIN_LOCK_DPC(_M); \
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}
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#define NDISM_COMPLETE_SEND_RESOURCES(_M, _NSR, _P) \
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{ \
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DBGPRINT(DBG_COMP_SEND, DBG_LEVEL_INFO, \
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("Deferring send\n")); \
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\
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ASSERT(VALID_OPEN((_NSR)->Open)); \
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/* \
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* Put on pending queue \
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*/ \
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MINIPORT_CLEAR_PACKET_FLAG(_P, fPACKET_PENDING); \
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(_M)->FirstPendingPacket = (_P); \
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\
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/* \
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* Mark the miniport as out of send resources. \
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*/ \
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CLEAR_RESOURCE((_M), 'S'); \
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}
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#define NDISM_SEND_PACKET(_M, _O, _P, _pS) \
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{ \
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UINT _Flags; \
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BOOLEAN _SelfDirected; \
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\
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/* \
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* Indicate the packet loopback if necessary. \
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*/ \
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\
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if (NDIS_CHECK_FOR_LOOPBACK(_M, _P)) \
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{ \
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_SelfDirected = ndisMLoopbackPacketX(_M, _P); \
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} \
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else \
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{ \
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_SelfDirected = FALSE; \
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} \
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\
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if (_SelfDirected) \
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{ \
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DBGPRINT(DBG_COMP_SEND, DBG_LEVEL_INFO, \
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("Packet is self-directed.\n")); \
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\
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/* \
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* Self-directed loopback always succeeds. \
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*/ \
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*(_pS) = NDIS_STATUS_SUCCESS; \
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} \
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else \
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{ \
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DBGPRINT(DBG_COMP_SEND, DBG_LEVEL_INFO, \
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("Sending packet 0x%p\n", _P)); \
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\
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NdisQuerySendFlags((_P), &_Flags); \
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\
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/* \
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* Call down to the driver. \
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*/ \
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MINIPORT_SET_PACKET_FLAG(_P, fPACKET_PENDING); \
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NDIS_RELEASE_MINIPORT_SPIN_LOCK_DPC(_M); \
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*(_pS) = ((_O)->WSendHandler)((_O)->MiniportAdapterContext, _P, _Flags);\
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NDIS_ACQUIRE_MINIPORT_SPIN_LOCK_DPC(_M); \
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} \
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}
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#define PACKETS_OUT(_M) (_M)->NdisStats.DirectedPacketsOut ++
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#define DIRECTED_PACKETS_IN(_M) (_M)->NdisStats.DirectedPacketsIn ++
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#if NDIS_STATISTICS_BYTES
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#define BYTES_OUT(_M, _B) (_M)->NdisStats.DirectedBytesOut.QuadPart += MDL_SIZE(_B)
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#define DIRECTED_BYTES_IN(_M, _S) (_M)->NdisStats.DirectedBytesIn.QuadPart += (_S);
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#define DIRECTED_BYTES_IN_PACKET(_M, _P) \
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{ \
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PNDIS_BUFFER p; \
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\
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for (p = (_P)->Private.Head; p != NULL; p = p->Next) \
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{ \
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DIRECTED_BYTES_IN(_M, MDL_SIZE(p)); \
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} \
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}
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#else // NDIS_STATISTICS_BYTES
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#define BYTES_OUT(_M, _B)
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#define DIRECTED_BYTES_IN(_M, _S)
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#define DIRECTED_BYTES_IN_PACKET(_M, _P)
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#endif // NDIS_STATISTICS_BYTES
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#define ndisMCheckPacketAndGetStatsOut(_M, _P, _S) \
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{ \
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PNDIS_BUFFER _Buffer; \
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\
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*(_S) = NDIS_STATUS_SUCCESS; \
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PACKETS_OUT(_M); \
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_Buffer = (_P)->Private.Head; \
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while (_Buffer != NULL) \
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{ \
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if (MDL_ADDRESS_SAFE(_Buffer, HighPagePriority) == NULL) \
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{ \
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*(_S) = NDIS_STATUS_RESOURCES; \
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break; \
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} \
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BYTES_OUT(_M, _Buffer); \
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_Buffer = _Buffer->Next; \
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} \
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}
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#define ndisMCheckPacketAndGetStatsOutAlreadyMapped(_M, _P) \
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{ \
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PNDIS_BUFFER _Buffer; \
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\
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PACKETS_OUT(_M); \
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_Buffer = (_P)->Private.Head; \
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while (_Buffer != NULL) \
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{ \
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BYTES_OUT(_M, _Buffer); \
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_Buffer = _Buffer->Next; \
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} \
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}
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#define NDISM_COMPLETE_SEND_SG(_M, _P, _NSR, _S, _L, _I, _UNLINK) \
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{ \
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PNDIS_OPEN_BLOCK _O; \
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\
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if (!(_L)) \
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NDIS_ACQUIRE_MINIPORT_SPIN_LOCK_DPC(_M); \
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\
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_O = (_NSR)->Open; \
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\
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if (_UNLINK) \
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{ \
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UNLINK_PACKET(_M, _P, _NSR); \
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} \
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POP_PACKET_STACK(_P); \
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\
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ADD_RESOURCE((_M), 'F'); \
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\
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DBGPRINT(DBG_COMP_SEND, DBG_LEVEL_INFO, \
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("Completed 0x%x\n", (_S))); \
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\
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(_NSR)->Open = MAGIC_OPEN_I(_I); \
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M_OPEN_DECREMENT_REF(_O); \
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|
\
|
||
|
|
if (!(_L) && (NULL != (_M)->FirstPendingPacket)) \
|
||
|
|
{ \
|
||
|
|
/* \
|
||
|
|
* Do we need to queue another workitem to process more sends ? \
|
||
|
|
*/ \
|
||
|
|
NDISM_QUEUE_WORK_ITEM(_M, NdisWorkItemSend, NULL); \
|
||
|
|
} \
|
||
|
|
\
|
||
|
|
/* \
|
||
|
|
* Indicate the completion to the protocol. \
|
||
|
|
*/ \
|
||
|
|
NDIS_RELEASE_MINIPORT_SPIN_LOCK_DPC((_M)); \
|
||
|
|
\
|
||
|
|
if (NDIS_PER_PACKET_INFO_FROM_PACKET(_P, ScatterGatherListPacketInfo) != NULL) \
|
||
|
|
{ \
|
||
|
|
ndisMFreeSGList(_M, _P); \
|
||
|
|
} \
|
||
|
|
/* \
|
||
|
|
* Make sure that an IM which shares send and receive packets on the same \
|
||
|
|
* pool works fine with the check in the receive path. \
|
||
|
|
*/ \
|
||
|
|
(_NSR)->RefCount = 0; \
|
||
|
|
MINIPORT_CLEAR_PACKET_FLAG(_P, fPACKET_CLEAR_ITEMS); \
|
||
|
|
CLEAR_WRAPPER_RESERVED(_NSR); \
|
||
|
|
(_O->SendCompleteHandler)(_O->ProtocolBindingContext, \
|
||
|
|
(_P), \
|
||
|
|
(_S)); \
|
||
|
|
\
|
||
|
|
DBGPRINT(DBG_COMP_OPENREF, DBG_LEVEL_INFO, \
|
||
|
|
("- Open 0x%x Reference 0x%x\n", _O, _O->References)); \
|
||
|
|
\
|
||
|
|
if (_O->References == 0) \
|
||
|
|
{ \
|
||
|
|
NDIS_ACQUIRE_MINIPORT_SPIN_LOCK_DPC(_M); \
|
||
|
|
ndisMFinishClose(_O); \
|
||
|
|
NDIS_RELEASE_MINIPORT_SPIN_LOCK_DPC((_M)); \
|
||
|
|
} \
|
||
|
|
\
|
||
|
|
if (_L) \
|
||
|
|
NDIS_ACQUIRE_MINIPORT_SPIN_LOCK_DPC(_M); \
|
||
|
|
}
|
||
|
|
|
||
|
|
#define LINK_PACKET_SG(_M, _P, _NSR) \
|
||
|
|
{ \
|
||
|
|
INIT_PACKET_LIST(_P); \
|
||
|
|
\
|
||
|
|
InsertTailList(&(_M)->PacketList, \
|
||
|
|
PACKET_LIST(_P)); \
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif // __SENDM_H
|
||
|
|
|