A_STATUS HTCSendSetupComplete(HTC_TARGET *target)
{
HTC_PACKET *pSendPacket = NULL;
A_STATUS status;
HTC_SETUP_COMPLETE_MSG *pSetupComplete;
do {
/* allocate a packet to send to the target */
pSendPacket = HTC_ALLOC_CONTROL_TX(target);
if (NULL == pSendPacket) {
status = A_NO_MEMORY;
break;
}
/* assemble setup complete message */
pSetupComplete = (HTC_SETUP_COMPLETE_MSG *)pSendPacket->pBuffer;
A_MEMZERO(pSetupComplete,sizeof(HTC_SETUP_COMPLETE_MSG));
pSetupComplete->MessageID = HTC_MSG_SETUP_COMPLETE_ID;
SET_HTC_PACKET_INFO_TX(pSendPacket,
NULL,
(A_UINT8 *)pSetupComplete,
sizeof(HTC_SETUP_COMPLETE_MSG),
ENDPOINT_0,
HTC_SERVICE_TX_PACKET_TAG);
/* we want synchronous operation */
pSendPacket->Completion = NULL;
/* send the message */
status = HTCIssueSend(target,pSendPacket,0);
} while (FALSE);
if (pSendPacket != NULL) {
HTC_FREE_CONTROL_TX(target,pSendPacket);
}
return status;
}
A_STATUS HTCSendSetupComplete(HTC_TARGET *target)
{
HTC_PACKET *pSendPacket = NULL;
A_STATUS status;
do {
/* allocate a packet to send to the target */
pSendPacket = HTC_ALLOC_CONTROL_TX(target);
if (NULL == pSendPacket) {
status = A_NO_MEMORY;
break;
}
if (target->HTCTargetVersion >= HTC_VERSION_2P1) {
HTC_SETUP_COMPLETE_EX_MSG *pSetupCompleteEx;
A_UINT32 setupFlags = 0;
pSetupCompleteEx = (HTC_SETUP_COMPLETE_EX_MSG *)pSendPacket->pBuffer;
A_MEMZERO(pSetupCompleteEx, sizeof(HTC_SETUP_COMPLETE_EX_MSG));
pSetupCompleteEx->MessageID = HTC_MSG_SETUP_COMPLETE_EX_ID;
if (target->MaxMsgPerBundle > 0) {
/* host can do HTC bundling, indicate this to the target */
setupFlags |= HTC_SETUP_COMPLETE_FLAGS_ENABLE_BUNDLE_RECV;
pSetupCompleteEx->MaxMsgsPerBundledRecv = target->MaxMsgPerBundle;
}
A_MEMCPY(&pSetupCompleteEx->SetupFlags, &setupFlags, sizeof(pSetupCompleteEx->SetupFlags));
SET_HTC_PACKET_INFO_TX(pSendPacket,
NULL,
(A_UINT8 *)pSetupCompleteEx,
sizeof(HTC_SETUP_COMPLETE_EX_MSG),
ENDPOINT_0,
HTC_SERVICE_TX_PACKET_TAG);
} else {
HTC_SETUP_COMPLETE_MSG *pSetupComplete;
/* assemble setup complete message */
pSetupComplete = (HTC_SETUP_COMPLETE_MSG *)pSendPacket->pBuffer;
A_MEMZERO(pSetupComplete, sizeof(HTC_SETUP_COMPLETE_MSG));
pSetupComplete->MessageID = HTC_MSG_SETUP_COMPLETE_ID;
SET_HTC_PACKET_INFO_TX(pSendPacket,
NULL,
(A_UINT8 *)pSetupComplete,
sizeof(HTC_SETUP_COMPLETE_MSG),
ENDPOINT_0,
HTC_SERVICE_TX_PACKET_TAG);
}
/* we want synchronous operation */
pSendPacket->Completion = NULL;
HTC_PREPARE_SEND_PKT(pSendPacket,0,0,0);
/* send the message */
status = HTCIssueSend(target,pSendPacket);
} while (FALSE);
if (pSendPacket != NULL) {
HTC_FREE_CONTROL_TX(target,pSendPacket);
}
return status;
}
A_STATUS HTCConnectService(HTC_HANDLE HTCHandle,
HTC_SERVICE_CONNECT_REQ *pConnectReq,
HTC_SERVICE_CONNECT_RESP *pConnectResp)
{
HTC_TARGET *target = GET_HTC_TARGET_FROM_HANDLE(HTCHandle);
A_STATUS status = A_OK;
HTC_PACKET *pRecvPacket = NULL;
HTC_PACKET *pSendPacket = NULL;
HTC_CONNECT_SERVICE_RESPONSE_MSG *pResponseMsg;
HTC_CONNECT_SERVICE_MSG *pConnectMsg;
HTC_ENDPOINT_ID assignedEndpoint = ENDPOINT_MAX;
HTC_ENDPOINT *pEndpoint;
unsigned int maxMsgSize = 0;
AR_DEBUG_PRINTF(ATH_DEBUG_TRC, ("+HTCConnectService, target:0x%X SvcID:0x%X \n",
(A_UINT32)target, pConnectReq->ServiceID));
do {
AR_DEBUG_ASSERT(pConnectReq->ServiceID != 0);
if (HTC_CTRL_RSVD_SVC == pConnectReq->ServiceID) {
/* special case for pseudo control service */
assignedEndpoint = ENDPOINT_0;
maxMsgSize = HTC_MAX_CONTROL_MESSAGE_LENGTH;
} else {
/* allocate a packet to send to the target */
pSendPacket = HTC_ALLOC_CONTROL_TX(target);
if (NULL == pSendPacket) {
AR_DEBUG_ASSERT(FALSE);
status = A_NO_MEMORY;
break;
}
/* assemble connect service message */
pConnectMsg = (HTC_CONNECT_SERVICE_MSG *)pSendPacket->pBuffer;
AR_DEBUG_ASSERT(pConnectMsg != NULL);
A_MEMZERO(pConnectMsg,sizeof(HTC_CONNECT_SERVICE_MSG));
pConnectMsg->MessageID = HTC_MSG_CONNECT_SERVICE_ID;
pConnectMsg->ServiceID = pConnectReq->ServiceID;
pConnectMsg->ConnectionFlags = pConnectReq->ConnectionFlags;
/* check caller if it wants to transfer meta data */
if ((pConnectReq->pMetaData != NULL) &&
(pConnectReq->MetaDataLength <= HTC_SERVICE_META_DATA_MAX_LENGTH)) {
/* copy meta data into message buffer (after header ) */
A_MEMCPY((A_UINT8 *)pConnectMsg + sizeof(HTC_CONNECT_SERVICE_MSG),
pConnectReq->pMetaData,
pConnectReq->MetaDataLength);
pConnectMsg->ServiceMetaLength = pConnectReq->MetaDataLength;
}
SET_HTC_PACKET_INFO_TX(pSendPacket,
NULL,
(A_UINT8 *)pConnectMsg,
sizeof(HTC_CONNECT_SERVICE_MSG) + pConnectMsg->ServiceMetaLength,
ENDPOINT_0,
HTC_SERVICE_TX_PACKET_TAG);
/* we want synchronous operation */
pSendPacket->Completion = NULL;
HTC_PREPARE_SEND_PKT(pSendPacket,0,0,0);
status = HTCIssueSend(target,pSendPacket);
if (A_FAILED(status)) {
break;
}
/* wait for response */
status = HTCWaitforControlMessage(target, &pRecvPacket);
if (A_FAILED(status)) {
break;
}
/* we controlled the buffer creation so it has to be properly aligned */
pResponseMsg = (HTC_CONNECT_SERVICE_RESPONSE_MSG *)pRecvPacket->pBuffer;
if ((pResponseMsg->MessageID != HTC_MSG_CONNECT_SERVICE_RESPONSE_ID) ||
(pRecvPacket->ActualLength < sizeof(HTC_CONNECT_SERVICE_RESPONSE_MSG))) {
/* this message is not valid */
AR_DEBUG_ASSERT(FALSE);
status = A_EPROTO;
break;
}
pConnectResp->ConnectRespCode = pResponseMsg->Status;
/* check response status */
if (pResponseMsg->Status != HTC_SERVICE_SUCCESS) {
AR_DEBUG_PRINTF(ATH_DEBUG_ERR,
(" Target failed service 0x%X connect request (status:%d)\n",
pResponseMsg->ServiceID, pResponseMsg->Status));
status = A_EPROTO;
break;
}
assignedEndpoint = (HTC_ENDPOINT_ID) pResponseMsg->EndpointID;
maxMsgSize = pResponseMsg->MaxMsgSize;
if ((pConnectResp->pMetaData != NULL) &&
(pResponseMsg->ServiceMetaLength > 0) &&
(pResponseMsg->ServiceMetaLength <= HTC_SERVICE_META_DATA_MAX_LENGTH)) {
/* caller supplied a buffer and the target responded with data */
int copyLength = min((int)pConnectResp->BufferLength, (int)pResponseMsg->ServiceMetaLength);
/* copy the meta data */
A_MEMCPY(pConnectResp->pMetaData,
((A_UINT8 *)pResponseMsg) + sizeof(HTC_CONNECT_SERVICE_RESPONSE_MSG),
copyLength);
pConnectResp->ActualLength = copyLength;
}
}
/* the rest of these are parameter checks so set the error status */
status = A_EPROTO;
if (assignedEndpoint >= ENDPOINT_MAX) {
AR_DEBUG_ASSERT(FALSE);
break;
}
if (0 == maxMsgSize) {
AR_DEBUG_ASSERT(FALSE);
break;
}
pEndpoint = &target->EndPoint[assignedEndpoint];
pEndpoint->Id = assignedEndpoint;
if (pEndpoint->ServiceID != 0) {
/* endpoint already in use! */
AR_DEBUG_ASSERT(FALSE);
break;
}
/* return assigned endpoint to caller */
pConnectResp->Endpoint = assignedEndpoint;
pConnectResp->MaxMsgLength = maxMsgSize;
/* setup the endpoint */
pEndpoint->ServiceID = pConnectReq->ServiceID; /* this marks the endpoint in use */
pEndpoint->MaxTxQueueDepth = pConnectReq->MaxSendQueueDepth;
pEndpoint->MaxMsgLength = maxMsgSize;
/* copy all the callbacks */
pEndpoint->EpCallBacks = pConnectReq->EpCallbacks;
/* set the credit distribution info for this endpoint, this information is
* passed back to the credit distribution callback function */
pEndpoint->CreditDist.ServiceID = pConnectReq->ServiceID;
pEndpoint->CreditDist.pHTCReserved = pEndpoint;
pEndpoint->CreditDist.Endpoint = assignedEndpoint;
pEndpoint->CreditDist.TxCreditSize = target->TargetCreditSize;
if (pConnectReq->MaxSendMsgSize != 0) {
/* override TxCreditsPerMaxMsg calculation, this optimizes the credit-low indications
* since the host will actually issue smaller messages in the Send path */
if (pConnectReq->MaxSendMsgSize > maxMsgSize) {
/* can't be larger than the maximum the target can support */
AR_DEBUG_ASSERT(FALSE);
break;
}
pEndpoint->CreditDist.TxCreditsPerMaxMsg = pConnectReq->MaxSendMsgSize / target->TargetCreditSize;
} else {
pEndpoint->CreditDist.TxCreditsPerMaxMsg = maxMsgSize / target->TargetCreditSize;
}
if (0 == pEndpoint->CreditDist.TxCreditsPerMaxMsg) {
pEndpoint->CreditDist.TxCreditsPerMaxMsg = 1;
}
/* save local connection flags */
pEndpoint->LocalConnectionFlags = pConnectReq->LocalConnectionFlags;
status = A_OK;
} while (FALSE);
if (pSendPacket != NULL) {
HTC_FREE_CONTROL_TX(target,pSendPacket);
}
if (pRecvPacket != NULL) {
HTC_FREE_CONTROL_RX(target,pRecvPacket);
}
AR_DEBUG_PRINTF(ATH_DEBUG_TRC, ("-HTCConnectService \n"));
return status;
}
/* registered target arrival callback from the HIF layer */
HTC_HANDLE HTCCreate(void *hif_handle, HTC_INIT_INFO *pInfo)
{
HTC_TARGET *target = NULL;
A_STATUS status = A_OK;
int i;
A_UINT32 ctrl_bufsz;
A_UINT32 blocksizes[HTC_MAILBOX_NUM_MAX];
AR_DEBUG_PRINTF(ATH_DEBUG_TRC, ("HTCCreate - Enter\n"));
printk("HTCCreate !!\n");
do {
/* allocate target memory */
if ((target = (HTC_TARGET *)A_MALLOC(sizeof(HTC_TARGET))) == NULL)
{
AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("Unable to allocate memory\n"));
status = A_ERROR;
break;
}
A_MEMZERO(target, sizeof(HTC_TARGET));
A_MUTEX_INIT(&target->HTCLock);
A_MUTEX_INIT(&target->HTCRxLock);
A_MUTEX_INIT(&target->HTCTxLock);
INIT_HTC_PACKET_QUEUE(&target->ControlBufferTXFreeList);
INIT_HTC_PACKET_QUEUE(&target->ControlBufferRXFreeList);
/* give device layer the hif device handle */
target->Device.HIFDevice = hif_handle;
/* give the device layer our context (for event processing)
* the device layer will register it's own context with HIF
* so we need to set this so we can fetch it in the target remove handler */
target->Device.HTCContext = target;
/* set device layer target failure callback */
target->Device.TargetFailureCallback = HTCReportFailure;
/* set device layer recv message pending callback */
target->Device.MessagePendingCallback = HTCRecvMessagePendingHandler;
target->EpWaitingForBuffers = ENDPOINT_MAX;
A_MEMCPY(&target->HTCInitInfo,pInfo,sizeof(HTC_INIT_INFO));
/* setup device layer */
status = DevSetup(&target->Device);
if (A_FAILED(status)) {
break;
}
/* get the block sizes */
status = HIFConfigureDevice(hif_handle, HIF_DEVICE_GET_MBOX_BLOCK_SIZE,
blocksizes, sizeof(blocksizes));
if (A_FAILED(status)) {
AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("Failed to get block size info from HIF layer...\n"));
break;
}
/* Set the control buffer size based on the block size */
if (blocksizes[1] > HTC_MAX_CONTROL_MESSAGE_LENGTH)
{
ctrl_bufsz = blocksizes[1] + HTC_HDR_LENGTH;
}
else
{
ctrl_bufsz = HTC_MAX_CONTROL_MESSAGE_LENGTH + HTC_HDR_LENGTH;
}
for (i = 0;i < NUM_CONTROL_BUFFERS;i++)
{
target->HTCControlBuffers[i].Buffer = A_MALLOC(ctrl_bufsz);
if (target->HTCControlBuffers[i].Buffer == NULL) {
AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("Unable to allocate memory\n"));
status = A_ERROR;
break;
}
}
if (A_FAILED(status)) {
break;
}
/* carve up buffers/packets for control messages */
for (i = 0; i < NUM_CONTROL_RX_BUFFERS; i++) {
HTC_PACKET *pControlPacket;
pControlPacket = &target->HTCControlBuffers[i].HtcPacket;
SET_HTC_PACKET_INFO_RX_REFILL(pControlPacket,
target,
target->HTCControlBuffers[i].Buffer,
ctrl_bufsz,
ENDPOINT_0);
HTC_FREE_CONTROL_RX(target,pControlPacket);
}
for (;i < NUM_CONTROL_BUFFERS;i++) {
HTC_PACKET *pControlPacket;
pControlPacket = &target->HTCControlBuffers[i].HtcPacket;
INIT_HTC_PACKET_INFO(pControlPacket,
target->HTCControlBuffers[i].Buffer,
ctrl_bufsz);
HTC_FREE_CONTROL_TX(target,pControlPacket);
}
} while (FALSE);
if (A_FAILED(status)) {
if (target != NULL) {
HTCCleanup(target);
target = NULL;
}
}
AR_DEBUG_PRINTF(ATH_DEBUG_TRC, ("HTCCreate - Exit\n"));
return target;
}
