diff options
Diffstat (limited to 'drivers/net/ethernet/freescale/sdk_fman/Peripherals/FM/Port/fm_port_im.c')
| -rw-r--r-- | drivers/net/ethernet/freescale/sdk_fman/Peripherals/FM/Port/fm_port_im.c | 753 |
1 files changed, 753 insertions, 0 deletions
diff --git a/drivers/net/ethernet/freescale/sdk_fman/Peripherals/FM/Port/fm_port_im.c b/drivers/net/ethernet/freescale/sdk_fman/Peripherals/FM/Port/fm_port_im.c new file mode 100644 index 0000000..8de8f5f --- /dev/null +++ b/drivers/net/ethernet/freescale/sdk_fman/Peripherals/FM/Port/fm_port_im.c @@ -0,0 +1,753 @@ +/* + * Copyright 2008-2012 Freescale Semiconductor Inc. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * * Neither the name of Freescale Semiconductor nor the + * names of its contributors may be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * + * ALTERNATIVELY, this software may be distributed under the terms of the + * GNU General Public License ("GPL") as published by the Free Software + * Foundation, either version 2 of that License or (at your option) any + * later version. + * + * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + + +/****************************************************************************** + @File fm_port_im.c + + @Description FM Port Independent-Mode ... +*//***************************************************************************/ +#include "std_ext.h" +#include "string_ext.h" +#include "error_ext.h" +#include "memcpy_ext.h" +#include "fm_muram_ext.h" + +#include "fm_port.h" + + +#define TX_CONF_STATUS_UNSENT 0x1 + + +typedef enum e_TxConfType +{ + e_TX_CONF_TYPE_CHECK = 0 /**< check if all the buffers were touched by the muxator, no confirmation callback */ + ,e_TX_CONF_TYPE_CALLBACK = 1 /**< confirm to user all the available sent buffers */ + ,e_TX_CONF_TYPE_FLUSH = 3 /**< confirm all buffers plus the unsent one with an appropriate status */ +} e_TxConfType; + + +static void ImException(t_Handle h_FmPort, uint32_t event) +{ + t_FmPort *p_FmPort = (t_FmPort*)h_FmPort; + + ASSERT_COND(((event & (IM_EV_RX | IM_EV_BSY)) && FmIsMaster(p_FmPort->h_Fm)) || + !FmIsMaster(p_FmPort->h_Fm)); + + if (event & IM_EV_RX) + FmPortImRx(p_FmPort); + if ((event & IM_EV_BSY) && p_FmPort->f_Exception) + p_FmPort->f_Exception(p_FmPort->h_App, e_FM_PORT_EXCEPTION_IM_BUSY); +} + + +static t_Error TxConf(t_FmPort *p_FmPort, e_TxConfType confType) +{ + t_Error retVal = E_BUSY; + uint32_t bdStatus; + uint16_t savedStartBdId, confBdId; + + ASSERT_COND(p_FmPort); + + /* + if (confType==e_TX_CONF_TYPE_CHECK) + return (WfqEntryIsQueueEmpty(p_FmPort->im.h_WfqEntry) ? E_OK : E_BUSY); + */ + + confBdId = savedStartBdId = p_FmPort->im.currBdId; + bdStatus = BD_STATUS_AND_LENGTH(BD_GET(confBdId)); + + /* If R bit is set, we don't enter, or we break. + we run till we get to R, or complete the loop */ + while ((!(bdStatus & BD_R_E) || (confType == e_TX_CONF_TYPE_FLUSH)) && (retVal != E_OK)) + { + if (confType & e_TX_CONF_TYPE_CALLBACK) /* if it is confirmation with user callbacks */ + BD_STATUS_AND_LENGTH_SET(BD_GET(confBdId), 0); + + /* case 1: R bit is 0 and Length is set -> confirm! */ + if ((confType & e_TX_CONF_TYPE_CALLBACK) && (bdStatus & BD_LENGTH_MASK)) + { + if (p_FmPort->im.f_TxConf) + { + if ((confType == e_TX_CONF_TYPE_FLUSH) && (bdStatus & BD_R_E)) + p_FmPort->im.f_TxConf(p_FmPort->h_App, + BdBufferGet(XX_PhysToVirt, BD_GET(confBdId)), + TX_CONF_STATUS_UNSENT, + p_FmPort->im.p_BdShadow[confBdId]); + else + p_FmPort->im.f_TxConf(p_FmPort->h_App, + BdBufferGet(XX_PhysToVirt, BD_GET(confBdId)), + 0, + p_FmPort->im.p_BdShadow[confBdId]); + } + } + /* case 2: R bit is 0 and Length is 0 -> not used yet, nop! */ + + confBdId = GetNextBdId(p_FmPort, confBdId); + if (confBdId == savedStartBdId) + retVal = E_OK; + bdStatus = BD_STATUS_AND_LENGTH(BD_GET(confBdId)); + } + + return retVal; +} + +t_Error FmPortImEnable(t_FmPort *p_FmPort) +{ + uint32_t tmpReg = GET_UINT32(p_FmPort->im.p_FmPortImPram->mode); + WRITE_UINT32(p_FmPort->im.p_FmPortImPram->mode, (uint32_t)(tmpReg & ~IM_MODE_GRC_STP)); + return E_OK; +} + +t_Error FmPortImDisable(t_FmPort *p_FmPort) +{ + uint32_t tmpReg = GET_UINT32(p_FmPort->im.p_FmPortImPram->mode); + WRITE_UINT32(p_FmPort->im.p_FmPortImPram->mode, (uint32_t)(tmpReg | IM_MODE_GRC_STP)); + return E_OK; +} + +t_Error FmPortImRx(t_FmPort *p_FmPort) +{ + t_Handle h_CurrUserPriv, h_NewUserPriv; + uint32_t bdStatus; + volatile uint8_t buffPos; + uint16_t length; + uint16_t errors; + uint8_t *p_CurData, *p_Data; + uint32_t flags; + + ASSERT_COND(p_FmPort); + + flags = XX_LockIntrSpinlock(p_FmPort->h_Spinlock); + if (p_FmPort->lock) + { + XX_UnlockIntrSpinlock(p_FmPort->h_Spinlock, flags); + return E_OK; + } + p_FmPort->lock = TRUE; + XX_UnlockIntrSpinlock(p_FmPort->h_Spinlock, flags); + + bdStatus = BD_STATUS_AND_LENGTH(BD_GET(p_FmPort->im.currBdId)); + + while (!(bdStatus & BD_R_E)) /* while there is data in the Rx BD */ + { + if ((p_Data = p_FmPort->im.rxPool.f_GetBuf(p_FmPort->im.rxPool.h_BufferPool, &h_NewUserPriv)) == NULL) + { + p_FmPort->lock = FALSE; + RETURN_ERROR(MAJOR, E_NOT_AVAILABLE, ("Data buffer")); + } + + if (p_FmPort->im.firstBdOfFrameId == IM_ILEGAL_BD_ID) + p_FmPort->im.firstBdOfFrameId = p_FmPort->im.currBdId; + + p_CurData = BdBufferGet(p_FmPort->im.rxPool.f_PhysToVirt, BD_GET(p_FmPort->im.currBdId)); + h_CurrUserPriv = p_FmPort->im.p_BdShadow[p_FmPort->im.currBdId]; + length = (uint16_t)((bdStatus & BD_L) ? + ((bdStatus & BD_LENGTH_MASK) - p_FmPort->im.rxFrameAccumLength): + (bdStatus & BD_LENGTH_MASK)); + p_FmPort->im.rxFrameAccumLength += length; + + /* determine whether buffer is first, last, first and last (single */ + /* buffer frame) or middle (not first and not last) */ + buffPos = (uint8_t)((p_FmPort->im.currBdId == p_FmPort->im.firstBdOfFrameId) ? + ((bdStatus & BD_L) ? SINGLE_BUF : FIRST_BUF) : + ((bdStatus & BD_L) ? LAST_BUF : MIDDLE_BUF)); + + if (bdStatus & BD_L) + { + p_FmPort->im.rxFrameAccumLength = 0; + p_FmPort->im.firstBdOfFrameId = IM_ILEGAL_BD_ID; + } + + BdBufferSet(p_FmPort->im.rxPool.f_VirtToPhys, BD_GET(p_FmPort->im.currBdId), p_Data); + + BD_STATUS_AND_LENGTH_SET(BD_GET(p_FmPort->im.currBdId), BD_R_E); + + errors = (uint16_t)((bdStatus & BD_RX_ERRORS) >> 16); + p_FmPort->im.p_BdShadow[p_FmPort->im.currBdId] = h_NewUserPriv; + + p_FmPort->im.currBdId = GetNextBdId(p_FmPort, p_FmPort->im.currBdId); + WRITE_UINT16(p_FmPort->im.p_FmPortImPram->rxQd.offsetOut, (uint16_t)(p_FmPort->im.currBdId<<4)); + /* Pass the buffer if one of the conditions is true: + - There are no errors + - This is a part of a larger frame ( the application has already received some buffers ) */ + if ((buffPos != SINGLE_BUF) || !errors) + { + if (p_FmPort->im.f_RxStore(p_FmPort->h_App, + p_CurData, + length, + errors, + buffPos, + h_CurrUserPriv) == e_RX_STORE_RESPONSE_PAUSE) + break; + } + else if (p_FmPort->im.rxPool.f_PutBuf(p_FmPort->im.rxPool.h_BufferPool, + p_CurData, + h_CurrUserPriv)) + { + p_FmPort->lock = FALSE; + RETURN_ERROR(MAJOR, E_INVALID_STATE, ("Failed freeing data buffer")); + } + + bdStatus = BD_STATUS_AND_LENGTH(BD_GET(p_FmPort->im.currBdId)); + } + p_FmPort->lock = FALSE; + return E_OK; +} + +void FmPortConfigIM (t_FmPort *p_FmPort, t_FmPortParams *p_FmPortParams) +{ + ASSERT_COND(p_FmPort); + + SANITY_CHECK_RETURN(p_FmPort->p_FmPortDriverParam, E_INVALID_HANDLE); + + p_FmPort->im.h_FmMuram = p_FmPortParams->specificParams.imRxTxParams.h_FmMuram; + p_FmPort->p_FmPortDriverParam->liodnOffset = p_FmPortParams->specificParams.imRxTxParams.liodnOffset; + p_FmPort->im.dataMemId = p_FmPortParams->specificParams.imRxTxParams.dataMemId; + p_FmPort->im.dataMemAttributes = p_FmPortParams->specificParams.imRxTxParams.dataMemAttributes; + + p_FmPort->im.fwExtStructsMemId = DEFAULT_PORT_ImfwExtStructsMemId; + p_FmPort->im.fwExtStructsMemAttr = DEFAULT_PORT_ImfwExtStructsMemAttr; + + if ((p_FmPort->portType == e_FM_PORT_TYPE_RX) || + (p_FmPort->portType == e_FM_PORT_TYPE_RX_10G)) + { + p_FmPort->im.rxPool.h_BufferPool = p_FmPortParams->specificParams.imRxTxParams.rxPoolParams.h_BufferPool; + p_FmPort->im.rxPool.f_GetBuf = p_FmPortParams->specificParams.imRxTxParams.rxPoolParams.f_GetBuf; + p_FmPort->im.rxPool.f_PutBuf = p_FmPortParams->specificParams.imRxTxParams.rxPoolParams.f_PutBuf; + p_FmPort->im.rxPool.bufferSize = p_FmPortParams->specificParams.imRxTxParams.rxPoolParams.bufferSize; + p_FmPort->im.rxPool.f_PhysToVirt = p_FmPortParams->specificParams.imRxTxParams.rxPoolParams.f_PhysToVirt; + if (!p_FmPort->im.rxPool.f_PhysToVirt) + p_FmPort->im.rxPool.f_PhysToVirt = XX_PhysToVirt; + p_FmPort->im.rxPool.f_VirtToPhys = p_FmPortParams->specificParams.imRxTxParams.rxPoolParams.f_VirtToPhys; + if (!p_FmPort->im.rxPool.f_VirtToPhys) + p_FmPort->im.rxPool.f_VirtToPhys = XX_VirtToPhys; + p_FmPort->im.f_RxStore = p_FmPortParams->specificParams.imRxTxParams.f_RxStore; + + p_FmPort->im.mrblr = 0x8000; + while (p_FmPort->im.mrblr) + { + if (p_FmPort->im.rxPool.bufferSize & p_FmPort->im.mrblr) + break; + p_FmPort->im.mrblr >>= 1; + } + if (p_FmPort->im.mrblr != p_FmPort->im.rxPool.bufferSize) + DBG(WARNING, ("Max-Rx-Buffer-Length set to %d", p_FmPort->im.mrblr)); + p_FmPort->im.bdRingSize = DEFAULT_PORT_rxBdRingLength; + p_FmPort->exceptions = DEFAULT_PORT_exception; + if (FmIsMaster(p_FmPort->h_Fm)) + p_FmPort->polling = FALSE; + else + p_FmPort->polling = TRUE; + p_FmPort->fmanCtrlEventId = (uint8_t)NO_IRQ; + } + else + { + p_FmPort->im.f_TxConf = p_FmPortParams->specificParams.imRxTxParams.f_TxConf; + + p_FmPort->im.bdRingSize = DEFAULT_PORT_txBdRingLength; + } +} + +t_Error FmPortImCheckInitParameters(t_FmPort *p_FmPort) +{ + if ((p_FmPort->portType != e_FM_PORT_TYPE_RX) && + (p_FmPort->portType != e_FM_PORT_TYPE_RX_10G) && + (p_FmPort->portType != e_FM_PORT_TYPE_TX) && + (p_FmPort->portType != e_FM_PORT_TYPE_TX_10G)) + RETURN_ERROR(MAJOR, E_INVALID_VALUE, NO_MSG); + + if ((p_FmPort->portType == e_FM_PORT_TYPE_RX) || + (p_FmPort->portType == e_FM_PORT_TYPE_RX_10G)) + { + if (!POWER_OF_2(p_FmPort->im.mrblr)) + RETURN_ERROR(MAJOR, E_INVALID_VALUE, ("max Rx buffer length must be power of 2!!!")); + if (p_FmPort->im.mrblr < 256) + RETURN_ERROR(MAJOR, E_INVALID_VALUE, ("max Rx buffer length must at least 256!!!")); + if (p_FmPort->p_FmPortDriverParam->liodnOffset & ~FM_LIODN_OFFSET_MASK) + RETURN_ERROR(MAJOR, E_INVALID_VALUE, ("liodnOffset is larger than %d", FM_LIODN_OFFSET_MASK+1)); + } + + return E_OK; +} + +t_Error FmPortImInit(t_FmPort *p_FmPort) +{ + t_FmImBd *p_Bd=NULL; + t_Handle h_BufContext; + uint64_t tmpPhysBase; + uint16_t log2Num; + uint8_t *p_Data/*, *p_Tmp*/; + int i; + t_Error err; + uint16_t tmpReg16; + uint32_t tmpReg32; + + ASSERT_COND(p_FmPort); + + p_FmPort->im.p_FmPortImPram = + (t_FmPortImPram *)FM_MURAM_AllocMem(p_FmPort->im.h_FmMuram, sizeof(t_FmPortImPram), IM_PRAM_ALIGN); + if (!p_FmPort->im.p_FmPortImPram) + RETURN_ERROR(MAJOR, E_NO_MEMORY, ("Independent-Mode Parameter-RAM!!!")); + WRITE_BLOCK(p_FmPort->im.p_FmPortImPram, 0, sizeof(t_FmPortImPram)); + + if ((p_FmPort->portType == e_FM_PORT_TYPE_RX) || + (p_FmPort->portType == e_FM_PORT_TYPE_RX_10G)) + { + p_FmPort->im.p_BdRing = + (t_FmImBd *)XX_MallocSmart((uint32_t)(sizeof(t_FmImBd)*p_FmPort->im.bdRingSize), + p_FmPort->im.fwExtStructsMemId, + 4); + if (!p_FmPort->im.p_BdRing) + RETURN_ERROR(MAJOR, E_NO_MEMORY, ("Independent-Mode Rx BD ring!!!")); + IOMemSet32(p_FmPort->im.p_BdRing, 0, (uint32_t)(sizeof(t_FmImBd)*p_FmPort->im.bdRingSize)); + + p_FmPort->im.p_BdShadow = (t_Handle *)XX_Malloc((uint32_t)(sizeof(t_Handle)*p_FmPort->im.bdRingSize)); + if (!p_FmPort->im.p_BdShadow) + RETURN_ERROR(MAJOR, E_NO_MEMORY, ("Independent-Mode Rx BD shadow!!!")); + memset(p_FmPort->im.p_BdShadow, 0, (uint32_t)(sizeof(t_Handle)*p_FmPort->im.bdRingSize)); + + /* Initialize the Rx-BD ring */ + for (i=0; i<p_FmPort->im.bdRingSize; i++) + { + p_Bd = BD_GET(i); + BD_STATUS_AND_LENGTH_SET (p_Bd, BD_R_E); + + if ((p_Data = p_FmPort->im.rxPool.f_GetBuf(p_FmPort->im.rxPool.h_BufferPool, &h_BufContext)) == NULL) + RETURN_ERROR(MAJOR, E_NOT_AVAILABLE, ("Data buffer")); + BdBufferSet(p_FmPort->im.rxPool.f_VirtToPhys, p_Bd, p_Data); + p_FmPort->im.p_BdShadow[i] = h_BufContext; + } + + if ((p_FmPort->im.dataMemAttributes & MEMORY_ATTR_CACHEABLE) || + (p_FmPort->im.fwExtStructsMemAttr & MEMORY_ATTR_CACHEABLE)) + WRITE_UINT32(p_FmPort->im.p_FmPortImPram->mode, IM_MODE_GBL | IM_MODE_SET_BO(2)); + else + WRITE_UINT32(p_FmPort->im.p_FmPortImPram->mode, IM_MODE_SET_BO(2)); + + WRITE_UINT32(p_FmPort->im.p_FmPortImPram->rxQdPtr, + (uint32_t)((uint64_t)(XX_VirtToPhys(p_FmPort->im.p_FmPortImPram)) - + p_FmPort->fmMuramPhysBaseAddr + 0x20)); + + LOG2((uint64_t)p_FmPort->im.mrblr, log2Num); + WRITE_UINT16(p_FmPort->im.p_FmPortImPram->mrblr, log2Num); + + /* Initialize Rx QD */ + tmpPhysBase = (uint64_t)(XX_VirtToPhys(p_FmPort->im.p_BdRing)); + SET_ADDR(&p_FmPort->im.p_FmPortImPram->rxQd.bdRingBase, tmpPhysBase); + WRITE_UINT16(p_FmPort->im.p_FmPortImPram->rxQd.bdRingSize, (uint16_t)(sizeof(t_FmImBd)*p_FmPort->im.bdRingSize)); + + /* Update the IM PRAM address in the BMI */ + WRITE_UINT32(p_FmPort->p_FmPortBmiRegs->rxPortBmiRegs.fmbm_rfqid, + (uint32_t)((uint64_t)(XX_VirtToPhys(p_FmPort->im.p_FmPortImPram)) - + p_FmPort->fmMuramPhysBaseAddr)); + if (!p_FmPort->polling || p_FmPort->exceptions) + { + /* Allocate, configure and register interrupts */ + err = FmAllocFmanCtrlEventReg(p_FmPort->h_Fm, &p_FmPort->fmanCtrlEventId); + if (err) + RETURN_ERROR(MAJOR, err, NO_MSG); + + ASSERT_COND(!(p_FmPort->fmanCtrlEventId & ~IM_RXQD_FPMEVT_SEL_MASK)); + tmpReg16 = (uint16_t)(p_FmPort->fmanCtrlEventId & IM_RXQD_FPMEVT_SEL_MASK); + tmpReg32 = 0; + + if (p_FmPort->exceptions & IM_EV_BSY) + { + tmpReg16 |= IM_RXQD_BSYINTM; + tmpReg32 |= IM_EV_BSY; + } + if (!p_FmPort->polling) + { + tmpReg16 |= IM_RXQD_RXFINTM; + tmpReg32 |= IM_EV_RX; + } + WRITE_UINT16(p_FmPort->im.p_FmPortImPram->rxQd.gen, tmpReg16); + + FmRegisterFmanCtrlIntr(p_FmPort->h_Fm, p_FmPort->fmanCtrlEventId, ImException , (t_Handle)p_FmPort); + + FmSetFmanCtrlIntr(p_FmPort->h_Fm, p_FmPort->fmanCtrlEventId, tmpReg32); + } + else + p_FmPort->fmanCtrlEventId = (uint8_t)NO_IRQ; + } + else + { + p_FmPort->im.p_BdRing = (t_FmImBd *)XX_MallocSmart((uint32_t)(sizeof(t_FmImBd)*p_FmPort->im.bdRingSize), p_FmPort->im.fwExtStructsMemId, 4); + if (!p_FmPort->im.p_BdRing) + RETURN_ERROR(MAJOR, E_NO_MEMORY, ("Independent-Mode Tx BD ring!!!")); + IOMemSet32(p_FmPort->im.p_BdRing, 0, (uint32_t)(sizeof(t_FmImBd)*p_FmPort->im.bdRingSize)); + + p_FmPort->im.p_BdShadow = (t_Handle *)XX_Malloc((uint32_t)(sizeof(t_Handle)*p_FmPort->im.bdRingSize)); + if (!p_FmPort->im.p_BdShadow) + RETURN_ERROR(MAJOR, E_NO_MEMORY, ("Independent-Mode Rx BD shadow!!!")); + memset(p_FmPort->im.p_BdShadow, 0, (uint32_t)(sizeof(t_Handle)*p_FmPort->im.bdRingSize)); + p_FmPort->im.firstBdOfFrameId = IM_ILEGAL_BD_ID; + + if ((p_FmPort->im.dataMemAttributes & MEMORY_ATTR_CACHEABLE) || + (p_FmPort->im.fwExtStructsMemAttr & MEMORY_ATTR_CACHEABLE)) + WRITE_UINT32(p_FmPort->im.p_FmPortImPram->mode, IM_MODE_GBL | IM_MODE_SET_BO(2)); + else + WRITE_UINT32(p_FmPort->im.p_FmPortImPram->mode, IM_MODE_SET_BO(2)); + + WRITE_UINT32(p_FmPort->im.p_FmPortImPram->txQdPtr, + (uint32_t)((uint64_t)(XX_VirtToPhys(p_FmPort->im.p_FmPortImPram)) - + p_FmPort->fmMuramPhysBaseAddr + 0x40)); + + /* Initialize Tx QD */ + tmpPhysBase = (uint64_t)(XX_VirtToPhys(p_FmPort->im.p_BdRing)); + SET_ADDR(&p_FmPort->im.p_FmPortImPram->txQd.bdRingBase, tmpPhysBase); + WRITE_UINT16(p_FmPort->im.p_FmPortImPram->txQd.bdRingSize, (uint16_t)(sizeof(t_FmImBd)*p_FmPort->im.bdRingSize)); + + /* Update the IM PRAM address in the BMI */ + WRITE_UINT32(p_FmPort->p_FmPortBmiRegs->txPortBmiRegs.fmbm_tcfqid, + (uint32_t)((uint64_t)(XX_VirtToPhys(p_FmPort->im.p_FmPortImPram)) - + p_FmPort->fmMuramPhysBaseAddr)); + } + + + return E_OK; +} + +void FmPortImFree(t_FmPort *p_FmPort) +{ + uint32_t bdStatus; + uint8_t *p_CurData; + + ASSERT_COND(p_FmPort); + ASSERT_COND(p_FmPort->im.p_FmPortImPram); + + if ((p_FmPort->portType == e_FM_PORT_TYPE_RX) || + (p_FmPort->portType == e_FM_PORT_TYPE_RX_10G)) + { + if (!p_FmPort->polling || p_FmPort->exceptions) + { + /* Deallocate and unregister interrupts */ + FmSetFmanCtrlIntr(p_FmPort->h_Fm, p_FmPort->fmanCtrlEventId, 0); + + FmFreeFmanCtrlEventReg(p_FmPort->h_Fm, p_FmPort->fmanCtrlEventId); + + WRITE_UINT16(p_FmPort->im.p_FmPortImPram->rxQd.gen, 0); + + FmUnregisterFmanCtrlIntr(p_FmPort->h_Fm, p_FmPort->fmanCtrlEventId); + } + /* Try first clean what has received */ + FmPortImRx(p_FmPort); + + /* Now, get rid of the the empty buffer! */ + bdStatus = BD_STATUS_AND_LENGTH(BD_GET(p_FmPort->im.currBdId)); + + while (bdStatus & BD_R_E) /* while there is data in the Rx BD */ + { + p_CurData = BdBufferGet(p_FmPort->im.rxPool.f_PhysToVirt, BD_GET(p_FmPort->im.currBdId)); + + BdBufferSet(p_FmPort->im.rxPool.f_VirtToPhys, BD_GET(p_FmPort->im.currBdId), NULL); + BD_STATUS_AND_LENGTH_SET(BD_GET(p_FmPort->im.currBdId), 0); + + p_FmPort->im.rxPool.f_PutBuf(p_FmPort->im.rxPool.h_BufferPool, + p_CurData, + p_FmPort->im.p_BdShadow[p_FmPort->im.currBdId]); + + p_FmPort->im.currBdId = GetNextBdId(p_FmPort, p_FmPort->im.currBdId); + bdStatus = BD_STATUS_AND_LENGTH(BD_GET(p_FmPort->im.currBdId)); + } + } + else + TxConf(p_FmPort, e_TX_CONF_TYPE_FLUSH); + + FM_MURAM_FreeMem(p_FmPort->im.h_FmMuram, p_FmPort->im.p_FmPortImPram); + + if (p_FmPort->im.p_BdShadow) + XX_Free(p_FmPort->im.p_BdShadow); + + if (p_FmPort->im.p_BdRing) + XX_FreeSmart(p_FmPort->im.p_BdRing); +} + + +t_Error FM_PORT_ConfigIMMaxRxBufLength(t_Handle h_FmPort, uint16_t newVal) +{ + t_FmPort *p_FmPort = (t_FmPort*)h_FmPort; + + SANITY_CHECK_RETURN_ERROR(p_FmPort, E_INVALID_HANDLE); + SANITY_CHECK_RETURN_ERROR(p_FmPort->imEn, E_INVALID_STATE); + SANITY_CHECK_RETURN_ERROR(p_FmPort->p_FmPortDriverParam, E_INVALID_HANDLE); + + p_FmPort->im.mrblr = newVal; + + return E_OK; +} + +t_Error FM_PORT_ConfigIMRxBdRingLength(t_Handle h_FmPort, uint16_t newVal) +{ + t_FmPort *p_FmPort = (t_FmPort*)h_FmPort; + + SANITY_CHECK_RETURN_ERROR(p_FmPort, E_INVALID_HANDLE); + SANITY_CHECK_RETURN_ERROR(p_FmPort->imEn, E_INVALID_STATE); + SANITY_CHECK_RETURN_ERROR(p_FmPort->p_FmPortDriverParam, E_INVALID_HANDLE); + + p_FmPort->im.bdRingSize = newVal; + + return E_OK; +} + +t_Error FM_PORT_ConfigIMTxBdRingLength(t_Handle h_FmPort, uint16_t newVal) +{ + t_FmPort *p_FmPort = (t_FmPort*)h_FmPort; + + SANITY_CHECK_RETURN_ERROR(p_FmPort, E_INVALID_HANDLE); + SANITY_CHECK_RETURN_ERROR(p_FmPort->imEn, E_INVALID_STATE); + SANITY_CHECK_RETURN_ERROR(p_FmPort->p_FmPortDriverParam, E_INVALID_HANDLE); + + p_FmPort->im.bdRingSize = newVal; + + return E_OK; +} + +t_Error FM_PORT_ConfigIMFmanCtrlExternalStructsMemory(t_Handle h_FmPort, + uint8_t memId, + uint32_t memAttributes) +{ + t_FmPort *p_FmPort = (t_FmPort*)h_FmPort; + + SANITY_CHECK_RETURN_ERROR(p_FmPort, E_INVALID_HANDLE); + SANITY_CHECK_RETURN_ERROR(p_FmPort->imEn, E_INVALID_STATE); + SANITY_CHECK_RETURN_ERROR(p_FmPort->p_FmPortDriverParam, E_INVALID_HANDLE); + + p_FmPort->im.fwExtStructsMemId = memId; + p_FmPort->im.fwExtStructsMemAttr = memAttributes; + + return E_OK; +} + +t_Error FM_PORT_ConfigIMPolling(t_Handle h_FmPort) +{ + t_FmPort *p_FmPort = (t_FmPort*)h_FmPort; + + SANITY_CHECK_RETURN_ERROR(p_FmPort, E_INVALID_HANDLE); + SANITY_CHECK_RETURN_ERROR(p_FmPort->imEn, E_INVALID_STATE); + SANITY_CHECK_RETURN_ERROR(p_FmPort->p_FmPortDriverParam, E_INVALID_HANDLE); + + if ((p_FmPort->portType != e_FM_PORT_TYPE_RX_10G) && (p_FmPort->portType != e_FM_PORT_TYPE_RX)) + RETURN_ERROR(MAJOR, E_INVALID_OPERATION, ("Available for Rx ports only")); + + if (!FmIsMaster(p_FmPort->h_Fm)) + RETURN_ERROR(MAJOR, E_INVALID_OPERATION, ("Available on master-partition only;" + "in guest-partitions, IM is always in polling!")); + + p_FmPort->polling = TRUE; + + return E_OK; +} + +t_Error FM_PORT_SetIMExceptions(t_Handle h_FmPort, e_FmPortExceptions exception, bool enable) +{ + t_FmPort *p_FmPort = (t_FmPort*)h_FmPort; + t_Error err; + uint16_t tmpReg16; + uint32_t tmpReg32; + + SANITY_CHECK_RETURN_ERROR(p_FmPort, E_INVALID_HANDLE); + SANITY_CHECK_RETURN_ERROR(p_FmPort->imEn, E_INVALID_STATE); + SANITY_CHECK_RETURN_ERROR(!p_FmPort->p_FmPortDriverParam, E_INVALID_HANDLE); + + if (exception == e_FM_PORT_EXCEPTION_IM_BUSY) + { + if (enable) + { + p_FmPort->exceptions |= IM_EV_BSY; + if (p_FmPort->fmanCtrlEventId == (uint8_t)NO_IRQ) + { + /* Allocate, configure and register interrupts */ + err = FmAllocFmanCtrlEventReg(p_FmPort->h_Fm, &p_FmPort->fmanCtrlEventId); + if (err) + RETURN_ERROR(MAJOR, err, NO_MSG); + ASSERT_COND(!(p_FmPort->fmanCtrlEventId & ~IM_RXQD_FPMEVT_SEL_MASK)); + + FmRegisterFmanCtrlIntr(p_FmPort->h_Fm, p_FmPort->fmanCtrlEventId, ImException, (t_Handle)p_FmPort); + tmpReg16 = (uint16_t)((p_FmPort->fmanCtrlEventId & IM_RXQD_FPMEVT_SEL_MASK) | IM_RXQD_BSYINTM); + tmpReg32 = IM_EV_BSY; + } + else + { + tmpReg16 = (uint16_t)(GET_UINT16(p_FmPort->im.p_FmPortImPram->rxQd.gen) | IM_RXQD_BSYINTM); + tmpReg32 = FmGetFmanCtrlIntr(p_FmPort->h_Fm, p_FmPort->fmanCtrlEventId) | IM_EV_BSY; + } + + WRITE_UINT16(p_FmPort->im.p_FmPortImPram->rxQd.gen, tmpReg16); + FmSetFmanCtrlIntr(p_FmPort->h_Fm, p_FmPort->fmanCtrlEventId, tmpReg32); + } + else + { + p_FmPort->exceptions &= ~IM_EV_BSY; + if (!p_FmPort->exceptions && p_FmPort->polling) + { + FmFreeFmanCtrlEventReg(p_FmPort->h_Fm, p_FmPort->fmanCtrlEventId); + FmUnregisterFmanCtrlIntr(p_FmPort->h_Fm, p_FmPort->fmanCtrlEventId); + FmSetFmanCtrlIntr(p_FmPort->h_Fm, p_FmPort->fmanCtrlEventId, 0); + WRITE_UINT16(p_FmPort->im.p_FmPortImPram->rxQd.gen, 0); + p_FmPort->fmanCtrlEventId = (uint8_t)NO_IRQ; + } + else + { + tmpReg16 = (uint16_t)(GET_UINT16(p_FmPort->im.p_FmPortImPram->rxQd.gen) & ~IM_RXQD_BSYINTM); + WRITE_UINT16(p_FmPort->im.p_FmPortImPram->rxQd.gen, tmpReg16); + tmpReg32 = FmGetFmanCtrlIntr(p_FmPort->h_Fm, p_FmPort->fmanCtrlEventId) & ~IM_EV_BSY; + FmSetFmanCtrlIntr(p_FmPort->h_Fm, p_FmPort->fmanCtrlEventId, tmpReg32); + } + } + } + else + RETURN_ERROR(MINOR, E_INVALID_SELECTION, ("Invalid exception.")); + + return E_OK; +} + +t_Error FM_PORT_ImTx( t_Handle h_FmPort, + uint8_t *p_Data, + uint16_t length, + bool lastBuffer, + t_Handle h_BufContext) +{ + t_FmPort *p_FmPort = (t_FmPort*)h_FmPort; + uint16_t nextBdId; + uint32_t bdStatus, nextBdStatus; + bool firstBuffer; + + SANITY_CHECK_RETURN_ERROR(p_FmPort, E_INVALID_HANDLE); + SANITY_CHECK_RETURN_ERROR(p_FmPort->imEn, E_INVALID_STATE); + SANITY_CHECK_RETURN_ERROR(!p_FmPort->p_FmPortDriverParam, E_INVALID_HANDLE); + + bdStatus = BD_STATUS_AND_LENGTH(BD_GET(p_FmPort->im.currBdId)); + nextBdId = GetNextBdId(p_FmPort, p_FmPort->im.currBdId); + nextBdStatus = BD_STATUS_AND_LENGTH(BD_GET(nextBdId)); + + if (!(bdStatus & BD_R_E) && !(nextBdStatus & BD_R_E)) + { + /* Confirm the current BD - BD is available */ + if ((bdStatus & BD_LENGTH_MASK) && (p_FmPort->im.f_TxConf)) + p_FmPort->im.f_TxConf (p_FmPort->h_App, + BdBufferGet(XX_PhysToVirt, BD_GET(p_FmPort->im.currBdId)), + 0, + p_FmPort->im.p_BdShadow[p_FmPort->im.currBdId]); + + bdStatus = length; + + /* if this is the first BD of a frame */ + if (p_FmPort->im.firstBdOfFrameId == IM_ILEGAL_BD_ID) + { + firstBuffer = TRUE; + p_FmPort->im.txFirstBdStatus = (bdStatus | BD_R_E); + + if (!lastBuffer) + p_FmPort->im.firstBdOfFrameId = p_FmPort->im.currBdId; + } + else + firstBuffer = FALSE; + + BdBufferSet(XX_VirtToPhys, BD_GET(p_FmPort->im.currBdId), p_Data); + p_FmPort->im.p_BdShadow[p_FmPort->im.currBdId] = h_BufContext; + + /* deal with last */ + if (lastBuffer) + { + /* if single buffer frame */ + if (firstBuffer) + BD_STATUS_AND_LENGTH_SET(BD_GET(p_FmPort->im.currBdId), p_FmPort->im.txFirstBdStatus | BD_L); + else + { + /* Set the last BD of the frame */ + BD_STATUS_AND_LENGTH_SET (BD_GET(p_FmPort->im.currBdId), (bdStatus | BD_R_E | BD_L)); + /* Set the first BD of the frame */ + BD_STATUS_AND_LENGTH_SET(BD_GET(p_FmPort->im.firstBdOfFrameId), p_FmPort->im.txFirstBdStatus); + p_FmPort->im.firstBdOfFrameId = IM_ILEGAL_BD_ID; + } + WRITE_UINT16(p_FmPort->im.p_FmPortImPram->txQd.offsetIn, (uint16_t)(GetNextBdId(p_FmPort, p_FmPort->im.currBdId)<<4)); + } + else if (!firstBuffer) /* mid frame buffer */ + BD_STATUS_AND_LENGTH_SET (BD_GET(p_FmPort->im.currBdId), bdStatus | BD_R_E); + + p_FmPort->im.currBdId = GetNextBdId(p_FmPort, p_FmPort->im.currBdId); + } + else + { + /* Discard current frame. Return error. */ + if (p_FmPort->im.firstBdOfFrameId != IM_ILEGAL_BD_ID) + { + /* Error: No free BD */ + /* Response: Discard current frame. Return error. */ + uint16_t cleanBdId = p_FmPort->im.firstBdOfFrameId; + + ASSERT_COND(p_FmPort->im.firstBdOfFrameId != p_FmPort->im.currBdId); + + /* Since firstInFrame is not NULL, one buffer at least has already been + inserted into the BD ring. Using do-while covers the situation of a + frame spanned throughout the whole Tx BD ring (p_CleanBd is incremented + prior to testing whether or not it's equal to TxBd). */ + do + { + BD_STATUS_AND_LENGTH_SET(BD_GET(cleanBdId), 0); + /* Advance BD pointer */ + cleanBdId = GetNextBdId(p_FmPort, cleanBdId); + } while (cleanBdId != p_FmPort->im.currBdId); + + p_FmPort->im.currBdId = cleanBdId; + p_FmPort->im.firstBdOfFrameId = IM_ILEGAL_BD_ID; + } + + return ERROR_CODE(E_FULL); + } + + return E_OK; +} + +void FM_PORT_ImTxConf(t_Handle h_FmPort) +{ + t_FmPort *p_FmPort = (t_FmPort*)h_FmPort; + + SANITY_CHECK_RETURN(p_FmPort, E_INVALID_HANDLE); + SANITY_CHECK_RETURN(p_FmPort->imEn, E_INVALID_STATE); + SANITY_CHECK_RETURN(!p_FmPort->p_FmPortDriverParam, E_INVALID_HANDLE); + + TxConf(p_FmPort, e_TX_CONF_TYPE_CALLBACK); +} + +t_Error FM_PORT_ImRx(t_Handle h_FmPort) +{ + t_FmPort *p_FmPort = (t_FmPort*)h_FmPort; + + SANITY_CHECK_RETURN_ERROR(p_FmPort, E_INVALID_HANDLE); + SANITY_CHECK_RETURN_ERROR(p_FmPort->imEn, E_INVALID_STATE); + SANITY_CHECK_RETURN_ERROR(!p_FmPort->p_FmPortDriverParam, E_INVALID_HANDLE); + + return FmPortImRx(p_FmPort); +} |