+++ /dev/null
-/*
- *
- * Copyright (c) 2007 Atheros Communications Inc.
- * All rights reserved.
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation;
- *
- * Software distributed under the License is distributed on an "AS
- * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
- * implied. See the License for the specific language governing
- * rights and limitations under the License.
- *
- *
- *
- */
-
-#ifndef _HTC_INTERNAL_H_
-#define _HTC_INTERNAL_H_
-
-/* for debugging, uncomment this to capture the last frame header, on frame header
- * processing errors, the last frame header is dump for comparison */
-//#define HTC_CAPTURE_LAST_FRAME
-
-//#define HTC_EP_STAT_PROFILING
-
-#ifdef __cplusplus
-extern "C" {
-#endif /* __cplusplus */
-
-/* Header files */
-#include "a_config.h"
-#include "athdefs.h"
-#include "a_types.h"
-#include "a_osapi.h"
-#include "a_debug.h"
-#include "htc.h"
-#include "htc_api.h"
-#include "bmi_msg.h"
-#include "hif.h"
-#include "ar6k.h"
-
-/* HTC operational parameters */
-#define HTC_TARGET_RESPONSE_TIMEOUT 2000 /* in ms */
-#define HTC_TARGET_DEBUG_INTR_MASK 0x01
-#define HTC_TARGET_CREDIT_INTR_MASK 0xF0
-
-typedef struct _HTC_ENDPOINT {
- HTC_SERVICE_ID ServiceID; /* service ID this endpoint is bound to
- non-zero value means this endpoint is in use */
- HTC_PACKET_QUEUE TxQueue; /* HTC frame buffer TX queue */
- HTC_PACKET_QUEUE RxBuffers; /* HTC frame buffer RX list */
- HTC_ENDPOINT_CREDIT_DIST CreditDist; /* credit distribution structure (exposed to driver layer) */
- HTC_EP_CALLBACKS EpCallBacks; /* callbacks associated with this endpoint */
- int MaxTxQueueDepth; /* max depth of the TX queue before we need to
- call driver's full handler */
- int CurrentTxQueueDepth; /* current TX queue depth */
- int MaxMsgLength; /* max length of endpoint message */
-#ifdef HTC_EP_STAT_PROFILING
- HTC_ENDPOINT_STATS EndPointStats; /* endpoint statistics */
-#endif
-} HTC_ENDPOINT;
-
-#ifdef HTC_EP_STAT_PROFILING
-#define INC_HTC_EP_STAT(p,stat,count) (p)->EndPointStats.stat += (count);
-#else
-#define INC_HTC_EP_STAT(p,stat,count)
-#endif
-
-#define HTC_SERVICE_TX_PACKET_TAG HTC_TX_PACKET_TAG_INTERNAL
-
-#define NUM_CONTROL_BUFFERS 8
-#define NUM_CONTROL_TX_BUFFERS 2
-#define NUM_CONTROL_RX_BUFFERS (NUM_CONTROL_BUFFERS - NUM_CONTROL_TX_BUFFERS)
-
-#define HTC_CONTROL_BUFFER_SIZE (HTC_MAX_CONTROL_MESSAGE_LENGTH + HTC_HDR_LENGTH)
-
-typedef struct HTC_CONTROL_BUFFER {
- HTC_PACKET HtcPacket;
- A_UINT8 Buffer[HTC_CONTROL_BUFFER_SIZE];
-} HTC_CONTROL_BUFFER;
-
-/* our HTC target state */
-typedef struct _HTC_TARGET {
- HTC_ENDPOINT EndPoint[ENDPOINT_MAX];
- HTC_CONTROL_BUFFER HTCControlBuffers[NUM_CONTROL_BUFFERS];
- HTC_ENDPOINT_CREDIT_DIST *EpCreditDistributionListHead;
- HTC_PACKET_QUEUE ControlBufferTXFreeList;
- HTC_PACKET_QUEUE ControlBufferRXFreeList;
- HTC_CREDIT_DIST_CALLBACK DistributeCredits;
- HTC_CREDIT_INIT_CALLBACK InitCredits;
- void *pCredDistContext;
- int TargetCredits;
- int TargetCreditSize;
- A_MUTEX_T HTCLock;
- A_MUTEX_T HTCRxLock;
- A_MUTEX_T HTCTxLock;
- AR6K_DEVICE Device; /* AR6K - specific state */
- A_UINT32 HTCStateFlags;
- HTC_ENDPOINT_ID EpWaitingForBuffers;
- A_BOOL TargetFailure;
- void *pInstanceContext;
-#define HTC_STATE_WAIT_BUFFERS (1 << 0)
-#define HTC_STATE_STOPPING (1 << 1)
-#ifdef HTC_CAPTURE_LAST_FRAME
- HTC_FRAME_HDR LastFrameHdr; /* useful for debugging */
- A_UINT8 LastTrailer[256];
- A_UINT8 LastTrailerLength;
-#endif
-} HTC_TARGET;
-
-#define HTC_STOPPING(t) ((t)->HTCStateFlags & HTC_STATE_STOPPING)
-#define LOCK_HTC(t) A_MUTEX_LOCK(&(t)->HTCLock);
-#define UNLOCK_HTC(t) A_MUTEX_UNLOCK(&(t)->HTCLock);
-#define LOCK_HTC_RX(t) A_MUTEX_LOCK(&(t)->HTCRxLock);
-#define UNLOCK_HTC_RX(t) A_MUTEX_UNLOCK(&(t)->HTCRxLock);
-#define LOCK_HTC_TX(t) A_MUTEX_LOCK(&(t)->HTCTxLock);
-#define UNLOCK_HTC_TX(t) A_MUTEX_UNLOCK(&(t)->HTCTxLock);
-
-#define GET_HTC_TARGET_FROM_HANDLE(hnd) ((HTC_TARGET *)(hnd))
-#define HTC_RECYCLE_RX_PKT(target,p) \
-{ \
- HTC_PACKET_RESET_RX(pPacket); \
- HTCAddReceivePkt((HTC_HANDLE)(target),(p)); \
-}
-
-/* internal HTC functions */
-void HTCControlTxComplete(void *Context, HTC_PACKET *pPacket);
-void HTCControlRecv(void *Context, HTC_PACKET *pPacket);
-A_STATUS HTCWaitforControlMessage(HTC_TARGET *target, HTC_PACKET **ppControlPacket);
-HTC_PACKET *HTCAllocControlBuffer(HTC_TARGET *target, HTC_PACKET_QUEUE *pList);
-void HTCFreeControlBuffer(HTC_TARGET *target, HTC_PACKET *pPacket, HTC_PACKET_QUEUE *pList);
-A_STATUS HTCIssueSend(HTC_TARGET *target, HTC_PACKET *pPacket, A_UINT8 Flags);
-A_STATUS HTCIssueRecv(HTC_TARGET *target, HTC_PACKET *pPacket);
-void HTCRecvCompleteHandler(void *Context, HTC_PACKET *pPacket);
-A_STATUS HTCRecvMessagePendingHandler(void *Context, A_UINT32 LookAhead, A_BOOL *pAsyncProc);
-void HTCProcessCreditRpt(HTC_TARGET *target, HTC_CREDIT_REPORT *pRpt, int NumEntries, HTC_ENDPOINT_ID FromEndpoint);
-A_STATUS HTCSendSetupComplete(HTC_TARGET *target);
-void HTCFlushRecvBuffers(HTC_TARGET *target);
-void HTCFlushSendPkts(HTC_TARGET *target);
-void DumpCreditDist(HTC_ENDPOINT_CREDIT_DIST *pEPDist);
-void DumpCreditDistStates(HTC_TARGET *target);
-void DebugDumpBytes(A_UCHAR *buffer, A_UINT16 length, char *pDescription);
-
-static INLINE HTC_PACKET *HTC_ALLOC_CONTROL_TX(HTC_TARGET *target) {
- HTC_PACKET *pPacket = HTCAllocControlBuffer(target,&target->ControlBufferTXFreeList);
- if (pPacket != NULL) {
- /* set payload pointer area with some headroom */
- pPacket->pBuffer = pPacket->pBufferStart + HTC_HDR_LENGTH;
- }
- return pPacket;
-}
-
-#define HTC_FREE_CONTROL_TX(t,p) HTCFreeControlBuffer((t),(p),&(t)->ControlBufferTXFreeList)
-#define HTC_ALLOC_CONTROL_RX(t) HTCAllocControlBuffer((t),&(t)->ControlBufferRXFreeList)
-#define HTC_FREE_CONTROL_RX(t,p) \
-{ \
- HTC_PACKET_RESET_RX(p); \
- HTCFreeControlBuffer((t),(p),&(t)->ControlBufferRXFreeList); \
-}
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* _HTC_INTERNAL_H_ */
projects / openwrt / svn-archive / archive.git / blobdiff