| /* |
| * Copyright (c) 2013-2017 The Linux Foundation. All rights reserved. |
| * |
| * Previously licensed under the ISC license by Qualcomm Atheros, Inc. |
| * |
| * |
| * Permission to use, copy, modify, and/or distribute this software for |
| * any purpose with or without fee is hereby granted, provided that the |
| * above copyright notice and this permission notice appear in all |
| * copies. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL |
| * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE |
| * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL |
| * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR |
| * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
| * PERFORMANCE OF THIS SOFTWARE. |
| */ |
| |
| /* |
| * This file was originally distributed by Qualcomm Atheros, Inc. |
| * under proprietary terms before Copyright ownership was assigned |
| * to the Linux Foundation. |
| */ |
| |
| |
| #include "ol_if_athvar.h" |
| #include "htc_debug.h" |
| #include "htc_internal.h" |
| #include <adf_nbuf.h> /* adf_nbuf_t */ |
| #include <adf_os_types.h> /* adf_os_print */ |
| #include <hif_msg_based.h> /* HIFFlushSurpriseRemove */ |
| #include <vos_getBin.h> |
| #include "epping_main.h" |
| #include "htc_api.h" |
| |
| #define MAX_HTC_RX_BUNDLE 2 |
| |
| #ifdef WLAN_DEBUG |
| static ATH_DEBUG_MASK_DESCRIPTION g_HTCDebugDescription[] = { |
| { ATH_DEBUG_SEND , "Send"}, |
| { ATH_DEBUG_RECV , "Recv"}, |
| { ATH_DEBUG_SYNC , "Sync"}, |
| { ATH_DEBUG_DUMP , "Dump Data (RX or TX)"}, |
| { ATH_DEBUG_SETUP, "Setup"}, |
| }; |
| |
| |
| ATH_DEBUG_INSTANTIATE_MODULE_VAR(htc, |
| "htc", |
| "Host Target Communications", |
| ATH_DEBUG_MASK_DEFAULTS | ATH_DEBUG_INFO | ATH_DEBUG_SETUP, |
| ATH_DEBUG_DESCRIPTION_COUNT(g_HTCDebugDescription), |
| g_HTCDebugDescription); |
| |
| #endif |
| |
| extern unsigned int htc_credit_flow; |
| |
| static void ResetEndpointStates(HTC_TARGET *target); |
| |
| static void DestroyHTCTxCtrlPacket(HTC_PACKET *pPacket) |
| { |
| adf_nbuf_t netbuf; |
| netbuf = (adf_nbuf_t)GET_HTC_PACKET_NET_BUF_CONTEXT(pPacket); |
| AR_DEBUG_PRINTF(ATH_DEBUG_TRC, ("free ctrl netbuf :0x%pK \n", netbuf)); |
| if (netbuf != NULL) { |
| adf_nbuf_free(netbuf); |
| } |
| |
| A_FREE(pPacket); |
| } |
| |
| |
| static HTC_PACKET *BuildHTCTxCtrlPacket(adf_os_device_t osdev) |
| { |
| HTC_PACKET *pPacket = NULL; |
| adf_nbuf_t netbuf; |
| |
| do { |
| pPacket = (HTC_PACKET *)A_MALLOC(sizeof(HTC_PACKET)); |
| if (NULL == pPacket) { |
| break; |
| } |
| A_MEMZERO(pPacket,sizeof(HTC_PACKET)); |
| netbuf = adf_nbuf_alloc(osdev, HTC_CONTROL_BUFFER_SIZE, 20, 4, TRUE); |
| if (NULL == netbuf) { |
| A_FREE(pPacket); |
| pPacket = NULL; |
| adf_os_print("%s: nbuf alloc failed\n",__func__); |
| break; |
| } |
| AR_DEBUG_PRINTF(ATH_DEBUG_TRC, ("alloc ctrl netbuf :0x%pK \n", netbuf)); |
| SET_HTC_PACKET_NET_BUF_CONTEXT(pPacket, netbuf); |
| } while (FALSE); |
| |
| return pPacket; |
| } |
| |
| void HTCFreeControlTxPacket(HTC_TARGET *target, HTC_PACKET *pPacket) |
| { |
| |
| #ifdef TODO_FIXME |
| LOCK_HTC(target); |
| HTC_PACKET_ENQUEUE(&target->ControlBufferTXFreeList,pPacket); |
| UNLOCK_HTC(target); |
| /* TODO_FIXME netbufs cannot be RESET! */ |
| #else |
| DestroyHTCTxCtrlPacket(pPacket); |
| #endif |
| |
| } |
| |
| HTC_PACKET *HTCAllocControlTxPacket(HTC_TARGET *target) |
| { |
| #ifdef TODO_FIXME |
| HTC_PACKET *pPacket; |
| |
| LOCK_HTC(target); |
| pPacket = HTC_PACKET_DEQUEUE(&target->ControlBufferTXFreeList); |
| UNLOCK_HTC(target); |
| |
| return pPacket; |
| #else |
| return BuildHTCTxCtrlPacket(target->osdev); |
| #endif |
| } |
| |
| /* Set the target failure handling callback */ |
| void HTCSetTargetFailureCallback(HTC_HANDLE HTCHandle, HTC_TARGET_FAILURE Callback) |
| { |
| HTC_TARGET *target = GET_HTC_TARGET_FROM_HANDLE(HTCHandle); |
| target->HTCInitInfo.TargetFailure = Callback; |
| } |
| |
| void HTCDump(HTC_HANDLE HTCHandle, u_int8_t CmdId, bool start) |
| { |
| HTC_TARGET *target = GET_HTC_TARGET_FROM_HANDLE(HTCHandle); |
| HIFDump(target->hif_dev, CmdId, start); |
| } |
| |
| /* cleanup the HTC instance */ |
| static void HTCCleanup(HTC_TARGET *target) |
| { |
| HTC_PACKET *pPacket; |
| adf_nbuf_t netbuf; |
| int j; |
| |
| if (target->hif_dev != NULL) { |
| HIFDetachHTC(target->hif_dev); |
| #ifdef HIF_SDIO |
| HIFMaskInterrupt(target->hif_dev); |
| #endif |
| target->hif_dev = NULL; |
| } |
| |
| while (TRUE) { |
| pPacket = AllocateHTCPacketContainer(target); |
| if (NULL == pPacket) { |
| break; |
| } |
| A_FREE(pPacket); |
| } |
| |
| pPacket = target->pBundleFreeTxList; |
| while (pPacket) { |
| HTC_PACKET *pPacketTmp = (HTC_PACKET *)pPacket->ListLink.pNext; |
| if(pPacket->pContext != NULL) { |
| A_FREE(pPacket->pContext); |
| } |
| netbuf = GET_HTC_PACKET_NET_BUF_CONTEXT(pPacket); |
| if(netbuf != NULL) |
| adf_nbuf_free(netbuf); |
| A_FREE(pPacket); |
| pPacket = pPacketTmp; |
| } |
| |
| pPacket = target->pBundleFreeRxList; |
| while (pPacket) { |
| HTC_PACKET *pPacketTmp = (HTC_PACKET *)pPacket->ListLink.pNext; |
| if (pPacket->pContext != NULL) { |
| A_FREE(pPacket->pContext); |
| } |
| netbuf = (adf_nbuf_t)GET_HTC_PACKET_NET_BUF_CONTEXT(pPacket); |
| if (netbuf != NULL) { |
| adf_nbuf_free(netbuf); |
| } |
| A_FREE(pPacket); |
| pPacket = pPacketTmp; |
| } |
| #ifdef TODO_FIXME |
| while (TRUE) { |
| pPacket = HTCAllocControlTxPacket(target); |
| if (NULL == pPacket) { |
| break; |
| } |
| netbuf = (adf_nbuf_t)GET_HTC_PACKET_NET_BUF_CONTEXT(pPacket); |
| if (netbuf != NULL) { |
| adf_nbuf_free(netbuf); |
| } |
| |
| A_FREE(pPacket); |
| } |
| #endif |
| |
| adf_os_spinlock_destroy(&target->HTCLock); |
| adf_os_spinlock_destroy(&target->HTCRxLock); |
| adf_os_spinlock_destroy(&target->HTCTxLock); |
| adf_os_spinlock_destroy(&target->HTCCreditLock); |
| |
| for (j = 0; j < ENDPOINT_MAX; j++) { |
| HTC_ENDPOINT *endpoint = &target->EndPoint[j]; |
| adf_os_spinlock_destroy(&endpoint->htc_endpoint_rx_lock); |
| } |
| |
| /* free our instance */ |
| A_FREE(target); |
| } |
| |
| /* registered target arrival callback from the HIF layer */ |
| HTC_HANDLE HTCCreate(void *ol_sc, HTC_INIT_INFO *pInfo, adf_os_device_t osdev) |
| { |
| hif_handle_t hHIF = ((struct ol_softc *)ol_sc)->hif_hdl; |
| MSG_BASED_HIF_CALLBACKS htcCallbacks; |
| HTC_ENDPOINT *pEndpoint=NULL; |
| HTC_TARGET *target = NULL; |
| int i, j; |
| |
| AR_DEBUG_PRINTF(ATH_DEBUG_INFO, ("+HTCCreate .. HIF :%pK \n",hHIF)); |
| |
| A_REGISTER_MODULE_DEBUG_INFO(htc); |
| |
| if ((target = (HTC_TARGET *)A_MALLOC(sizeof(HTC_TARGET))) == NULL) { |
| AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("HTC : Unable to allocate memory\n")); |
| return NULL; |
| } |
| |
| A_MEMZERO(target, sizeof(HTC_TARGET)); |
| |
| adf_os_spinlock_init(&target->HTCLock); |
| adf_os_spinlock_init(&target->HTCRxLock); |
| adf_os_spinlock_init(&target->HTCTxLock); |
| adf_os_spinlock_init(&target->HTCCreditLock); |
| |
| for (j = 0; j < ENDPOINT_MAX; j++) { |
| pEndpoint = &target->EndPoint[j]; |
| adf_os_spinlock_init(&pEndpoint->htc_endpoint_rx_lock); |
| } |
| target->is_nodrop_pkt = FALSE; |
| |
| do { |
| A_MEMCPY(&target->HTCInitInfo,pInfo,sizeof(HTC_INIT_INFO)); |
| target->host_handle = pInfo->pContext; |
| target->osdev = osdev; |
| |
| ResetEndpointStates(target); |
| |
| INIT_HTC_PACKET_QUEUE(&target->ControlBufferTXFreeList); |
| |
| for (i = 0; i < HTC_PACKET_CONTAINER_ALLOCATION; i++) { |
| HTC_PACKET *pPacket = (HTC_PACKET *)A_MALLOC(sizeof(HTC_PACKET)); |
| if (pPacket != NULL) { |
| A_MEMZERO(pPacket,sizeof(HTC_PACKET)); |
| FreeHTCPacketContainer(target,pPacket); |
| } |
| } |
| |
| #ifdef TODO_FIXME |
| for (i = 0; i < NUM_CONTROL_TX_BUFFERS; i++) { |
| pPacket = BuildHTCTxCtrlPacket(); |
| if (NULL == pPacket) { |
| break; |
| } |
| HTCFreeControlTxPacket(target,pPacket); |
| } |
| #endif |
| |
| /* setup HIF layer callbacks */ |
| A_MEMZERO(&htcCallbacks, sizeof(MSG_BASED_HIF_CALLBACKS)); |
| htcCallbacks.Context = target; |
| htcCallbacks.rxCompletionHandler = HTCRxCompletionHandler; |
| htcCallbacks.txCompletionHandler = HTCTxCompletionHandler; |
| htcCallbacks.txResourceAvailHandler = HTCTxResourceAvailHandler; |
| htcCallbacks.fwEventHandler = HTCFwEventHandler; |
| htcCallbacks.txResumeAllHandler = HTCTxResumeAllHandler; |
| target->hif_dev = hHIF; |
| |
| /* Get HIF default pipe for HTC message exchange */ |
| pEndpoint = &target->EndPoint[ENDPOINT_0]; |
| |
| HIFPostInit(hHIF, target, &htcCallbacks); |
| HIFGetDefaultPipe(hHIF, &pEndpoint->UL_PipeID, &pEndpoint->DL_PipeID); |
| |
| } while (FALSE); |
| |
| HTCRecvInit(target); |
| |
| AR_DEBUG_PRINTF(ATH_DEBUG_INFO, ("-HTCCreate (0x%pK) \n", target)); |
| |
| return (HTC_HANDLE)target; |
| } |
| |
| void HTCDestroy(HTC_HANDLE HTCHandle) |
| { |
| HTC_TARGET *target = GET_HTC_TARGET_FROM_HANDLE(HTCHandle); |
| AR_DEBUG_PRINTF(ATH_DEBUG_TRC, ("+HTCDestroy .. Destroying :0x%pK \n",target)); |
| HIFStop(HTCGetHifDevice(HTCHandle)); |
| HTCCleanup(target); |
| AR_DEBUG_PRINTF(ATH_DEBUG_TRC, ("-HTCDestroy \n")); |
| } |
| |
| /* get the low level HIF device for the caller , the caller may wish to do low level |
| * HIF requests */ |
| void *HTCGetHifDevice(HTC_HANDLE HTCHandle) |
| { |
| HTC_TARGET *target = GET_HTC_TARGET_FROM_HANDLE(HTCHandle); |
| return target->hif_dev; |
| } |
| |
| void HTCControlTxComplete(void *Context, HTC_PACKET *pPacket) |
| { |
| HTC_TARGET *target = (HTC_TARGET *)Context; |
| AR_DEBUG_PRINTF(ATH_DEBUG_TRC,("+-HTCControlTxComplete 0x%pK (l:%d) \n",pPacket,pPacket->ActualLength)); |
| HTCFreeControlTxPacket(target,pPacket); |
| } |
| |
| /* TODO, this is just a temporary max packet size */ |
| #define MAX_MESSAGE_SIZE 1536 |
| |
| A_STATUS HTCSetupTargetBufferAssignments(HTC_TARGET *target) |
| { |
| HTC_SERVICE_TX_CREDIT_ALLOCATION *pEntry; |
| A_STATUS status; |
| int credits; |
| int creditsPerMaxMsg; |
| #ifdef HIF_USB |
| unsigned int hif_usbaudioclass=0; |
| #else |
| unsigned int hif_usbaudioclass=0; |
| #endif |
| |
| creditsPerMaxMsg = MAX_MESSAGE_SIZE / target->TargetCreditSize; |
| if (MAX_MESSAGE_SIZE % target->TargetCreditSize) { |
| creditsPerMaxMsg++; |
| } |
| |
| /* TODO, this should be configured by the caller! */ |
| |
| credits = target->TotalTransmitCredits; |
| pEntry = &target->ServiceTxAllocTable[0]; |
| #if !(defined(HIF_PCI) || defined(HIF_SIM) || defined(CONFIG_HL_SUPPORT) || (defined(HIF_USB))) |
| status = A_NO_RESOURCE; |
| #endif |
| |
| #if defined(HIF_PCI) || defined(HIF_SIM) || (defined(CONFIG_HL_SUPPORT) && !defined(AR6004_HW))/* TODO: maybe change to HIF_SDIO later */ |
| /* TODO: maybe check ROME service for USB service */ |
| /* |
| * for PCIE allocate all credists/HTC buffers to WMI. |
| * no buffers are used/required for data. data always |
| * remains on host. |
| */ |
| hif_usbaudioclass = 0; /* to keep compiler happy */ |
| /* for PCIE allocate all credits to wmi for now */ |
| status = A_OK; |
| pEntry++; |
| pEntry->ServiceID = WMI_CONTROL_SVC; |
| pEntry->CreditAllocation = credits; |
| |
| if (WLAN_IS_EPPING_ENABLED(vos_get_conparam())) { |
| /* endpoint ping is a testing tool directly on top of HTC in |
| * both target and host sides. |
| * In target side, the endppint ping fw has no wlan stack and the |
| * FW mboxping app directly sits on HTC and it simply drops |
| * or loops back TX packets. For rx perf, FW mboxping app |
| * generates packets and passes packets to HTC to send to host. |
| * There is no WMI mesage exchanges between host and target |
| * in endpoint ping case. |
| * In host side, the endpoint ping driver is a Ethernet driver |
| * and it directly sits on HTC. Only HIF, HTC, VOSS, ADF are |
| * used by the endpoint ping driver. There is no wifi stack |
| * at all in host side also. For tx perf use case, |
| * the user space mboxping app sends the raw packets to endpoint |
| * ping driver and it directly forwards to HTC for transmission |
| * to stress the bus. For the rx perf, HTC passes the received |
| * packets to endpoint ping driver and it is passed to the user |
| * space through the Ethernet interface. |
| * For credit allocation, in SDIO bus case, only BE service is |
| * used for tx/rx perf testing so that all credits are given |
| * to BE service. In PCIe and USB bus case, endpoint ping uses both |
| * BE and BK services to stress the bus so that the total credits |
| * are equally distributed to BE and BK services. |
| */ |
| #if !defined(HIF_USB) |
| pEntry++; |
| pEntry->ServiceID = WMI_DATA_BE_SVC; |
| pEntry->CreditAllocation = credits; |
| #endif |
| #if defined(HIF_PCI) || defined(HIF_USB) |
| pEntry->ServiceID = WMI_DATA_BE_SVC; |
| pEntry->CreditAllocation = (credits >> 1); |
| |
| pEntry++; |
| pEntry->ServiceID = WMI_DATA_BK_SVC; |
| pEntry->CreditAllocation = (credits >> 1); |
| #endif |
| } |
| |
| #else |
| do { |
| |
| if(hif_usbaudioclass) |
| { |
| AR_DEBUG_PRINTF(ATH_DEBUG_ANY,("HTCSetupTargetBufferAssignments For USB Audio Class- Total:%d\n",credits)); |
| pEntry++; |
| pEntry++; |
| //Setup VO Service To have Max Credits |
| pEntry->ServiceID = WMI_DATA_VO_SVC; |
| pEntry->CreditAllocation = (credits -6); |
| if (pEntry->CreditAllocation == 0) { |
| pEntry->CreditAllocation++; |
| } |
| credits -= (int)pEntry->CreditAllocation; |
| if (credits <= 0) { |
| break; |
| } |
| pEntry++; |
| pEntry->ServiceID = WMI_CONTROL_SVC; |
| pEntry->CreditAllocation = creditsPerMaxMsg; |
| credits -= (int)pEntry->CreditAllocation; |
| if (credits <= 0) { |
| break; |
| } |
| /* |
| * HTT_DATA_MSG_SVG is unidirectional from target -> host, |
| * so no target buffers are needed. |
| */ |
| /* leftovers go to best effort */ |
| pEntry++; |
| pEntry++; |
| pEntry->ServiceID = WMI_DATA_BE_SVC; |
| pEntry->CreditAllocation = (A_UINT8)credits; |
| status = A_OK; |
| break; |
| } |
| |
| pEntry++; |
| pEntry->ServiceID = WMI_DATA_VI_SVC; |
| pEntry->CreditAllocation = credits / 4; |
| if (pEntry->CreditAllocation == 0) { |
| pEntry->CreditAllocation++; |
| } |
| credits -= (int)pEntry->CreditAllocation; |
| if (credits <= 0) { |
| break; |
| } |
| pEntry++; |
| pEntry->ServiceID = WMI_DATA_VO_SVC; |
| pEntry->CreditAllocation = credits / 4; |
| if (pEntry->CreditAllocation == 0) { |
| pEntry->CreditAllocation++; |
| } |
| credits -= (int)pEntry->CreditAllocation; |
| if (credits <= 0) { |
| break; |
| } |
| pEntry++; |
| pEntry->ServiceID = WMI_CONTROL_SVC; |
| pEntry->CreditAllocation = creditsPerMaxMsg; |
| credits -= (int)pEntry->CreditAllocation; |
| if (credits <= 0) { |
| break; |
| } |
| /* |
| * HTT_DATA_MSG_SVG is unidirectional from target -> host, |
| * so no target buffers are needed. |
| */ |
| pEntry++; |
| pEntry->ServiceID = WMI_DATA_BK_SVC; |
| pEntry->CreditAllocation = creditsPerMaxMsg; |
| credits -= (int)pEntry->CreditAllocation; |
| if (credits <= 0) { |
| break; |
| } |
| /* leftovers go to best effort */ |
| pEntry++; |
| pEntry->ServiceID = WMI_DATA_BE_SVC; |
| pEntry->CreditAllocation = (A_UINT8)credits; |
| status = A_OK; |
| |
| } while (FALSE); |
| |
| #endif |
| |
| if (A_SUCCESS(status)) { |
| int i; |
| for (i = 0; i < HTC_MAX_SERVICE_ALLOC_ENTRIES; i++) { |
| if (target->ServiceTxAllocTable[i].ServiceID != 0) { |
| AR_DEBUG_PRINTF(ATH_DEBUG_INIT,("HTC Service Index : %d TX : 0x%2.2X : alloc:%d \n", |
| i, |
| target->ServiceTxAllocTable[i].ServiceID, |
| target->ServiceTxAllocTable[i].CreditAllocation)); |
| } |
| } |
| } |
| |
| return status; |
| } |
| |
| A_UINT8 HTCGetCreditAllocation(HTC_TARGET *target, A_UINT16 ServiceID) |
| { |
| A_UINT8 allocation = 0; |
| int i; |
| |
| for (i = 0; i < HTC_MAX_SERVICE_ALLOC_ENTRIES; i++) { |
| if (target->ServiceTxAllocTable[i].ServiceID == ServiceID) { |
| allocation = target->ServiceTxAllocTable[i].CreditAllocation; |
| } |
| } |
| |
| if (0 == allocation) { |
| AR_DEBUG_PRINTF(ATH_DEBUG_INIT,("HTC Service TX : 0x%2.2X : allocation is zero! \n",ServiceID)); |
| } |
| |
| return allocation; |
| } |
| |
| |
| A_STATUS HTCWaitTarget(HTC_HANDLE HTCHandle) |
| { |
| A_STATUS status = A_OK; |
| HTC_TARGET *target = GET_HTC_TARGET_FROM_HANDLE(HTCHandle); |
| HTC_READY_EX_MSG *pReadyMsg; |
| HTC_SERVICE_CONNECT_REQ connect; |
| HTC_SERVICE_CONNECT_RESP resp; |
| HTC_READY_MSG *rdy_msg; |
| A_UINT16 htc_rdy_msg_id; |
| A_UINT8 i = 0; |
| HTC_PACKET *pRxBundlePacket, *pTempBundlePacket; |
| |
| AR_DEBUG_PRINTF(ATH_DEBUG_TRC, ("HTCWaitTarget - Enter (target:0x%pK) \n", HTCHandle)); |
| AR_DEBUG_PRINTF(ATH_DEBUG_ANY, ("+HWT\n")); |
| |
| do { |
| |
| status = HIFStart(target->hif_dev); |
| if (A_FAILED(status)) { |
| AR_DEBUG_PRINTF(ATH_DEBUG_ERROR, ("HIFStart failed\n")); |
| break; |
| } |
| |
| status = HTCWaitRecvCtrlMessage(target); |
| |
| if (A_FAILED(status)) { |
| break; |
| } |
| |
| if (target->CtrlResponseLength < (sizeof(HTC_READY_EX_MSG))) { |
| AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("Invalid HTC Ready Msg Len:%d! \n",target->CtrlResponseLength)); |
| status = A_ECOMM; |
| break; |
| } |
| |
| pReadyMsg = (HTC_READY_EX_MSG *)target->CtrlResponseBuffer; |
| |
| rdy_msg = &pReadyMsg->Version2_0_Info; |
| htc_rdy_msg_id = HTC_GET_FIELD(rdy_msg, HTC_READY_MSG, MESSAGEID); |
| if (htc_rdy_msg_id != HTC_MSG_READY_ID) { |
| AR_DEBUG_PRINTF(ATH_DEBUG_ERR, |
| ("Invalid HTC Ready Msg : 0x%X ! \n",htc_rdy_msg_id)); |
| status = A_ECOMM; |
| break; |
| } |
| |
| target->TotalTransmitCredits = HTC_GET_FIELD(rdy_msg, HTC_READY_MSG, CREDITCOUNT); |
| target->TargetCreditSize = (int)HTC_GET_FIELD(rdy_msg, HTC_READY_MSG, CREDITSIZE); |
| |
| target->MaxMsgsPerHTCBundle = (A_UINT8) HTC_GET_FIELD(pReadyMsg, HTC_READY_EX_MSG, MAXMSGSPERHTCBUNDLE); |
| target->AltDataCreditSize = (A_UINT16)HTC_GET_FIELD(pReadyMsg, HTC_READY_EX_MSG, ALTDATACREDITSIZE); |
| |
| /* for old fw this value is set to 0. But the minimum value should be 1, |
| * i.e., no bundling */ |
| if (target->MaxMsgsPerHTCBundle < 1) |
| target->MaxMsgsPerHTCBundle = 1; |
| |
| AR_DEBUG_PRINTF(ATH_DEBUG_INIT, |
| ("Target Ready! : transmit resources : %d size:%d, MaxMsgsPerHTCBundle = %d\n", |
| target->TotalTransmitCredits, target->TargetCreditSize, target->MaxMsgsPerHTCBundle)); |
| |
| if ((0 == target->TotalTransmitCredits) || (0 == target->TargetCreditSize)) { |
| status = A_ECOMM; |
| break; |
| } |
| |
| /* Allocate expected number of RX bundle buffer allocation */ |
| pTempBundlePacket = NULL; |
| for (i = 0; i < MAX_HTC_RX_BUNDLE; i++) { |
| pRxBundlePacket = AllocateHTCBundleRxPacket(target); |
| if (pRxBundlePacket != NULL) { |
| pRxBundlePacket->ListLink.pNext = (DL_LIST *)pTempBundlePacket; |
| } else { |
| break; |
| } |
| pTempBundlePacket = pRxBundlePacket; |
| } |
| target->pBundleFreeRxList = pTempBundlePacket; |
| |
| /* done processing */ |
| target->CtrlResponseProcessing = FALSE; |
| |
| HTCSetupTargetBufferAssignments(target); |
| |
| /* setup our pseudo HTC control endpoint connection */ |
| A_MEMZERO(&connect,sizeof(connect)); |
| A_MEMZERO(&resp,sizeof(resp)); |
| connect.EpCallbacks.pContext = target; |
| connect.EpCallbacks.EpTxComplete = HTCControlTxComplete; |
| connect.EpCallbacks.EpRecv = HTCControlRxComplete; |
| connect.MaxSendQueueDepth = NUM_CONTROL_TX_BUFFERS; |
| connect.ServiceID = HTC_CTRL_RSVD_SVC; |
| |
| /* connect fake service */ |
| status = HTCConnectService((HTC_HANDLE)target, |
| &connect, |
| &resp); |
| |
| } while (FALSE); |
| |
| AR_DEBUG_PRINTF(ATH_DEBUG_TRC, ("HTCWaitTarget - Exit (%d)\n",status)); |
| AR_DEBUG_PRINTF(ATH_DEBUG_ANY, ("-HWT\n")); |
| return status; |
| } |
| |
| /* start HTC, this is called after all services are connected */ |
| static A_STATUS HTCConfigTargetHIFPipe(HTC_TARGET *target) |
| { |
| |
| return A_OK; |
| } |
| |
| static void ResetEndpointStates(HTC_TARGET *target) |
| { |
| HTC_ENDPOINT *pEndpoint; |
| int i; |
| |
| for (i = ENDPOINT_0; i < ENDPOINT_MAX; i++) { |
| pEndpoint = &target->EndPoint[i]; |
| pEndpoint->ServiceID = 0; |
| pEndpoint->MaxMsgLength = 0; |
| pEndpoint->MaxTxQueueDepth = 0; |
| pEndpoint->Id = i; |
| INIT_HTC_PACKET_QUEUE(&pEndpoint->TxQueue); |
| INIT_HTC_PACKET_QUEUE(&pEndpoint->TxLookupQueue); |
| INIT_HTC_PACKET_QUEUE(&pEndpoint->RxBufferHoldQueue); |
| pEndpoint->target = target; |
| //pEndpoint->TxCreditFlowEnabled = (A_BOOL)htc_credit_flow; |
| pEndpoint->TxCreditFlowEnabled = (A_BOOL)1; |
| adf_os_atomic_init(&pEndpoint->TxProcessCount); |
| } |
| } |
| |
| A_STATUS HTCStart(HTC_HANDLE HTCHandle) |
| { |
| adf_nbuf_t netbuf; |
| A_STATUS status = A_OK; |
| HTC_TARGET *target = GET_HTC_TARGET_FROM_HANDLE(HTCHandle); |
| HTC_SETUP_COMPLETE_EX_MSG *pSetupComp; |
| HTC_PACKET *pSendPacket; |
| |
| AR_DEBUG_PRINTF(ATH_DEBUG_TRC, ("HTCStart Enter\n")); |
| |
| do { |
| |
| HTCConfigTargetHIFPipe(target); |
| |
| /* allocate a buffer to send */ |
| pSendPacket = HTCAllocControlTxPacket(target); |
| if (NULL == pSendPacket) { |
| AR_DEBUG_ASSERT(FALSE); |
| adf_os_print("%s: allocControlTxPacket failed\n",__func__); |
| status = A_NO_MEMORY; |
| break; |
| } |
| |
| netbuf = (adf_nbuf_t)GET_HTC_PACKET_NET_BUF_CONTEXT(pSendPacket); |
| /* assemble setup complete message */ |
| adf_nbuf_put_tail(netbuf, sizeof(HTC_SETUP_COMPLETE_EX_MSG)); |
| pSetupComp = (HTC_SETUP_COMPLETE_EX_MSG *) adf_nbuf_data(netbuf); |
| A_MEMZERO(pSetupComp,sizeof(HTC_SETUP_COMPLETE_EX_MSG)); |
| |
| HTC_SET_FIELD(pSetupComp, HTC_SETUP_COMPLETE_EX_MSG, |
| MESSAGEID, HTC_MSG_SETUP_COMPLETE_EX_ID); |
| |
| if (!htc_credit_flow) { |
| AR_DEBUG_PRINTF(ATH_DEBUG_INIT, ("HTC will not use TX credit flow control\n")); |
| pSetupComp->SetupFlags |= HTC_SETUP_COMPLETE_FLAGS_DISABLE_TX_CREDIT_FLOW; |
| } else { |
| AR_DEBUG_PRINTF(ATH_DEBUG_INIT, ("HTC using TX credit flow control\n")); |
| } |
| |
| #if defined(HIF_SDIO) || defined(HIF_USB) |
| #if ENABLE_BUNDLE_RX |
| if (HTC_ENABLE_BUNDLE(target)) { |
| pSetupComp->SetupFlags |= |
| HTC_SETUP_COMPLETE_FLAGS_ENABLE_BUNDLE_RECV; |
| |
| HIFSetBundleMode(target->hif_dev, true, HTC_MAX_MSG_PER_BUNDLE_RX); |
| } |
| #endif /* ENABLE_BUNDLE_RX */ |
| #endif |
| |
| pSetupComp->MaxMsgsPerBundledRecv = HTC_MAX_MSG_PER_BUNDLE_RX; |
| |
| SET_HTC_PACKET_INFO_TX(pSendPacket, |
| NULL, |
| (A_UINT8 *)pSetupComp, |
| sizeof(HTC_SETUP_COMPLETE_EX_MSG), |
| ENDPOINT_0, |
| HTC_SERVICE_TX_PACKET_TAG); |
| |
| status = HTCSendPkt((HTC_HANDLE)target,pSendPacket); |
| if (A_FAILED(status)) { |
| break; |
| } |
| |
| } while (FALSE); |
| |
| AR_DEBUG_PRINTF(ATH_DEBUG_TRC, ("HTCStart Exit\n")); |
| return status; |
| } |
| |
| /*flush all queued buffers for surpriseremove case*/ |
| void HTCFlushSurpriseRemove(HTC_HANDLE HTCHandle) |
| { |
| HTC_TARGET *target = GET_HTC_TARGET_FROM_HANDLE(HTCHandle); |
| int i; |
| HTC_ENDPOINT *pEndpoint; |
| #ifdef RX_SG_SUPPORT |
| adf_nbuf_t netbuf; |
| adf_nbuf_queue_t *rx_sg_queue = &target->RxSgQueue; |
| #endif |
| |
| AR_DEBUG_PRINTF(ATH_DEBUG_TRC, ("+HTCFlushSurpriseRemove \n")); |
| |
| /* cleanup endpoints */ |
| for (i = 0; i < ENDPOINT_MAX; i++) { |
| pEndpoint = &target->EndPoint[i]; |
| HTCFlushRxHoldQueue(target,pEndpoint); |
| HTCFlushEndpointTX(target,pEndpoint,HTC_TX_PACKET_TAG_ALL); |
| } |
| |
| HIFFlushSurpriseRemove(target->hif_dev); |
| |
| #ifdef RX_SG_SUPPORT |
| LOCK_HTC_RX(target); |
| while ((netbuf = adf_nbuf_queue_remove(rx_sg_queue)) != NULL) { |
| adf_nbuf_free(netbuf); |
| } |
| RESET_RX_SG_CONFIG(target); |
| UNLOCK_HTC_RX(target); |
| #endif |
| |
| ResetEndpointStates(target); |
| |
| AR_DEBUG_PRINTF(ATH_DEBUG_TRC, ("-HTCFlushSurpriseRemove \n")); |
| } |
| |
| /* stop HTC communications, i.e. stop interrupt reception, and flush all queued buffers */ |
| void HTCStop(HTC_HANDLE HTCHandle) |
| { |
| HTC_TARGET *target = GET_HTC_TARGET_FROM_HANDLE(HTCHandle); |
| int i; |
| HTC_ENDPOINT *pEndpoint; |
| #ifdef RX_SG_SUPPORT |
| adf_nbuf_t netbuf; |
| adf_nbuf_queue_t *rx_sg_queue = &target->RxSgQueue; |
| #endif |
| |
| AR_DEBUG_PRINTF(ATH_DEBUG_TRC, ("+HTCStop \n")); |
| |
| /* cleanup endpoints */ |
| for (i = 0; i < ENDPOINT_MAX; i++) { |
| pEndpoint = &target->EndPoint[i]; |
| HTCFlushRxHoldQueue(target,pEndpoint); |
| HTCFlushEndpointTX(target,pEndpoint,HTC_TX_PACKET_TAG_ALL); |
| if(pEndpoint->ul_is_polled){ |
| adf_os_timer_cancel(&pEndpoint->ul_poll_timer); |
| adf_os_timer_free(&pEndpoint->ul_poll_timer); |
| } |
| } |
| |
| /* Note: HTCFlushEndpointTX for all endpoints should be called before |
| * HIFStop - otherwise HTCTxCompletionHandler called from |
| * hif_send_buffer_cleanup_on_pipe for residual tx frames in HIF layer, |
| * might queue the packet again to HIF Layer - which could cause tx |
| * buffer leak |
| */ |
| |
| HIFStop(target->hif_dev); |
| |
| #ifdef RX_SG_SUPPORT |
| LOCK_HTC_RX(target); |
| while ((netbuf = adf_nbuf_queue_remove(rx_sg_queue)) != NULL) { |
| adf_nbuf_free(netbuf); |
| } |
| RESET_RX_SG_CONFIG(target); |
| UNLOCK_HTC_RX(target); |
| #endif |
| |
| ResetEndpointStates(target); |
| |
| AR_DEBUG_PRINTF(ATH_DEBUG_TRC, ("-HTCStop \n")); |
| } |
| |
| |
| |
| void HTCDumpCreditStates(HTC_HANDLE HTCHandle) |
| { |
| HTC_TARGET *target = GET_HTC_TARGET_FROM_HANDLE(HTCHandle); |
| HTC_ENDPOINT *pEndpoint; |
| int i; |
| |
| for (i = 0; i < ENDPOINT_MAX; i++) { |
| pEndpoint = &target->EndPoint[i]; |
| if (0 == pEndpoint->ServiceID) { |
| continue; |
| } |
| AR_DEBUG_PRINTF(ATH_DEBUG_ANY, ("--- EP : %d ServiceID: 0x%X --------------\n", |
| pEndpoint->Id, pEndpoint->ServiceID)); |
| AR_DEBUG_PRINTF(ATH_DEBUG_ANY, (" TxCredits : %d \n", pEndpoint->TxCredits)); |
| AR_DEBUG_PRINTF(ATH_DEBUG_ANY, (" TxCreditSize : %d \n", pEndpoint->TxCreditSize)); |
| AR_DEBUG_PRINTF(ATH_DEBUG_ANY, (" TxCreditsPerMaxMsg : %d \n", pEndpoint->TxCreditsPerMaxMsg)); |
| AR_DEBUG_PRINTF(ATH_DEBUG_ANY, (" TxQueueDepth : %d \n", HTC_PACKET_QUEUE_DEPTH(&pEndpoint->TxQueue))); |
| AR_DEBUG_PRINTF(ATH_DEBUG_ANY, ("----------------------------------------------------\n")); |
| } |
| } |
| |
| void HTCEndpointDumpCreditStats(HTC_HANDLE HTCHandle, HTC_ENDPOINT_ID Endpoint) |
| { |
| #ifdef HTC_EP_STAT_PROFILING |
| HTC_TARGET *target; |
| AR_DEBUG_PRINTF(ATH_DEBUG_ANY, ("+%s \n", __func__)); |
| |
| target = GET_HTC_TARGET_FROM_HANDLE(HTCHandle); |
| |
| AR_DEBUG_PRINTF(ATH_DEBUG_ANY, (" ******* HTC Stats for EP %d ******* \n", Endpoint)); |
| |
| AR_DEBUG_PRINTF(ATH_DEBUG_ANY, ("HIFDSRCount=%d \t RxAllocThreshBytes=%d \t RxAllocThreshHit=%d \n" |
| "RxBundleIndFromHdr=%d \t RxBundleLookAheads=%d \t RxLookAheads=%d \n" |
| "RxPacketsBundled=%d \t RxReceived=%d \t TxBundles=%d \n" |
| "TxCreditLowIndications=%d \t TxCreditRpts=%d \t TxCreditRptsFromEp0=%d \n" |
| "TxCreditRptsFromOther=%d \t TxCreditRptsFromRx=%d \t TxCreditsConsummed=%d \n" |
| "TxCreditsFromEp0=%d \t TxCreditsFromOther=%d \t TxCreditsFromRx=%d \n" |
| "TxCreditsReturned=%d \t TxDropped=%d \t TxIssued=%d \n" |
| "TxPacketsBundled=%d \t TxPosted=%d \n", |
| target->EndPoint->EndPointStats.HIFDSRCount, |
| target->EndPoint->EndPointStats.RxAllocThreshBytes, |
| target->EndPoint->EndPointStats.RxAllocThreshHit, |
| target->EndPoint->EndPointStats.RxBundleIndFromHdr, |
| target->EndPoint->EndPointStats.RxBundleLookAheads, |
| target->EndPoint->EndPointStats.RxLookAheads, |
| target->EndPoint->EndPointStats.RxPacketsBundled, |
| target->EndPoint->EndPointStats.RxReceived, |
| target->EndPoint->EndPointStats.TxBundles, |
| target->EndPoint->EndPointStats.TxCreditLowIndications, |
| target->EndPoint->EndPointStats.TxCreditRpts, |
| target->EndPoint->EndPointStats.TxCreditRptsFromEp0, |
| target->EndPoint->EndPointStats.TxCreditRptsFromOther, |
| target->EndPoint->EndPointStats.TxCreditRptsFromRx, |
| target->EndPoint->EndPointStats.TxCreditsConsummed, |
| target->EndPoint->EndPointStats.TxCreditsFromEp0, |
| target->EndPoint->EndPointStats.TxCreditsFromOther, |
| target->EndPoint->EndPointStats.TxCreditsFromRx, |
| target->EndPoint->EndPointStats.TxCreditsReturned, |
| target->EndPoint->EndPointStats.TxDropped, |
| target->EndPoint->EndPointStats.TxIssued, |
| target->EndPoint->EndPointStats.TxPacketsBundled, |
| target->EndPoint->EndPointStats.TxPosted)); |
| |
| AR_DEBUG_PRINTF(ATH_DEBUG_ANY, (" ******* End Stats ******* \n")); |
| #else |
| AR_DEBUG_PRINTF(ATH_DEBUG_ANY, ("%s not implemented\n", __func__)); |
| #endif |
| } |
| |
| A_BOOL HTCGetEndpointStatistics(HTC_HANDLE HTCHandle, |
| HTC_ENDPOINT_ID Endpoint, |
| HTC_ENDPOINT_STAT_ACTION Action, |
| HTC_ENDPOINT_STATS *pStats) |
| { |
| #ifdef HTC_EP_STAT_PROFILING |
| HTC_TARGET *target = GET_HTC_TARGET_FROM_HANDLE(HTCHandle); |
| A_BOOL clearStats = FALSE; |
| A_BOOL sample = FALSE; |
| |
| switch (Action) { |
| case HTC_EP_STAT_SAMPLE : |
| sample = TRUE; |
| break; |
| case HTC_EP_STAT_SAMPLE_AND_CLEAR : |
| sample = TRUE; |
| clearStats = TRUE; |
| break; |
| case HTC_EP_STAT_CLEAR : |
| clearStats = TRUE; |
| break; |
| default: |
| break; |
| } |
| |
| A_ASSERT(Endpoint < ENDPOINT_MAX); |
| |
| /* lock out TX and RX while we sample and/or clear */ |
| LOCK_HTC_TX(target); |
| LOCK_HTC_RX(target); |
| |
| if (sample) { |
| A_ASSERT(pStats != NULL); |
| /* return the stats to the caller */ |
| A_MEMCPY(pStats, &target->EndPoint[Endpoint].EndPointStats, sizeof(HTC_ENDPOINT_STATS)); |
| } |
| |
| if (clearStats) { |
| /* reset stats */ |
| A_MEMZERO(&target->EndPoint[Endpoint].EndPointStats, sizeof(HTC_ENDPOINT_STATS)); |
| } |
| |
| UNLOCK_HTC_RX(target); |
| UNLOCK_HTC_TX(target); |
| |
| return TRUE; |
| #else |
| return FALSE; |
| #endif |
| } |
| |
| void *htc_get_targetdef(HTC_HANDLE htc_handle) |
| { |
| HTC_TARGET *target = GET_HTC_TARGET_FROM_HANDLE(htc_handle); |
| |
| return hif_get_targetdef(target->hif_dev); |
| } |
| |
| void HTCSetTargetToSleep(void *context) |
| { |
| #ifdef HIF_PCI |
| #if CONFIG_ATH_PCIE_MAX_PERF == 0 |
| #if CONFIG_ATH_PCIE_AWAKE_WHILE_DRIVER_LOAD |
| struct ol_softc *sc = (struct ol_softc *)context; |
| |
| HIFSetTargetSleep(sc->hif_hdl, true, false); |
| #endif |
| #endif |
| #endif |
| } |
| |
| void HTCCancelDeferredTargetSleep(void *context) |
| { |
| #ifdef HIF_PCI |
| #if CONFIG_ATH_PCIE_MAX_PERF == 0 |
| struct ol_softc *sc = (struct ol_softc *)context; |
| HIFCancelDeferredTargetSleep(sc->hif_hdl); |
| #endif |
| #endif |
| } |
| |
| #ifdef IPA_UC_OFFLOAD |
| void HTCIpaGetCEResource(HTC_HANDLE htc_handle, |
| a_uint32_t *ce_sr_base_paddr, |
| a_uint32_t *ce_sr_ring_size, |
| a_uint32_t *ce_reg_paddr) |
| { |
| HTC_TARGET *target = GET_HTC_TARGET_FROM_HANDLE(htc_handle); |
| |
| if (target->hif_dev != NULL) { |
| HIFIpaGetCEResource(target->hif_dev, |
| ce_sr_base_paddr, |
| ce_sr_ring_size, |
| ce_reg_paddr); |
| } |
| } |
| #endif /* IPA_UC_OFFLOAD */ |
| |
| #if defined(DEBUG_HL_LOGGING) && defined(CONFIG_HL_SUPPORT) |
| |
| void HTCDumpBundleStats(HTC_HANDLE HTCHandle) |
| { |
| HTC_TARGET *target = GET_HTC_TARGET_FROM_HANDLE(HTCHandle); |
| int total, i; |
| |
| total = 0; |
| for (i = 0; i < HTC_MAX_MSG_PER_BUNDLE_RX; i++) { |
| total += target->rx_bundle_stats[i]; |
| } |
| |
| if (total) { |
| AR_DEBUG_PRINTF(ATH_DEBUG_ANY,("RX Bundle stats:\n")); |
| AR_DEBUG_PRINTF(ATH_DEBUG_ANY,("Total RX packets: %d\n", total)); |
| AR_DEBUG_PRINTF(ATH_DEBUG_ANY,( |
| "Number of bundle: Number of packets\n")); |
| for (i = 0; i < HTC_MAX_MSG_PER_BUNDLE_RX; i++) { |
| AR_DEBUG_PRINTF(ATH_DEBUG_ANY, |
| ("%10d:%10d(%2d%s)\n",(i+1), target->rx_bundle_stats[i], |
| ((target->rx_bundle_stats[i]*100)/total), "%")); |
| } |
| } |
| |
| |
| total = 0; |
| for (i = 0; i < HTC_MAX_MSG_PER_BUNDLE_TX; i++) { |
| total += target->tx_bundle_stats[i]; |
| } |
| |
| if (total) { |
| AR_DEBUG_PRINTF(ATH_DEBUG_ANY,("TX Bundle stats:\n")); |
| AR_DEBUG_PRINTF(ATH_DEBUG_ANY,("Total TX packets: %d\n", total)); |
| AR_DEBUG_PRINTF(ATH_DEBUG_ANY, |
| ("Number of bundle: Number of packets\n")); |
| for (i = 0; i < HTC_MAX_MSG_PER_BUNDLE_TX; i++) { |
| AR_DEBUG_PRINTF(ATH_DEBUG_ANY, |
| ("%10d:%10d(%2d%s)\n",(i+1), target->tx_bundle_stats[i], |
| ((target->tx_bundle_stats[i]*100)/total), "%")); |
| } |
| } |
| } |
| |
| void HTCClearBundleStats (HTC_HANDLE HTCHandle) |
| { |
| HTC_TARGET *target = GET_HTC_TARGET_FROM_HANDLE(HTCHandle); |
| |
| adf_os_mem_zero(&target->rx_bundle_stats, sizeof(target->rx_bundle_stats)); |
| adf_os_mem_zero(&target->tx_bundle_stats, sizeof(target->tx_bundle_stats)); |
| } |
| #endif |
| |
| #ifdef FEATURE_RUNTIME_PM |
| int htc_pm_runtime_get(HTC_HANDLE htc_handle) |
| { |
| HTC_TARGET *target = GET_HTC_TARGET_FROM_HANDLE(htc_handle); |
| |
| AR_DEBUG_PRINTF(ATH_DEBUG_TRC, ("%s: %pS\n", __func__, (void *)_RET_IP_)); |
| return hif_pm_runtime_get(target->hif_dev); |
| } |
| |
| int htc_pm_runtime_put(HTC_HANDLE htc_handle) |
| { |
| HTC_TARGET *target = GET_HTC_TARGET_FROM_HANDLE(htc_handle); |
| |
| AR_DEBUG_PRINTF(ATH_DEBUG_TRC, ("%s: %pS\n", __func__, (void *)_RET_IP_)); |
| return hif_pm_runtime_put(target->hif_dev); |
| } |
| #endif |
