diff options
Diffstat (limited to 'drivers/net/npe/IxEthAccMac.c')
| -rw-r--r-- | drivers/net/npe/IxEthAccMac.c | 2641 |
1 files changed, 2641 insertions, 0 deletions
diff --git a/drivers/net/npe/IxEthAccMac.c b/drivers/net/npe/IxEthAccMac.c new file mode 100644 index 0000000000..369ee91d94 --- /dev/null +++ b/drivers/net/npe/IxEthAccMac.c @@ -0,0 +1,2641 @@ +/** + * @file IxEthAccMac.c + * + * @author Intel Corporation + * @date + * + * @brief MAC control functions + * + * Design Notes: + * + * @par + * IXP400 SW Release version 2.0 + * + * -- Copyright Notice -- + * + * @par + * Copyright 2001-2005, Intel Corporation. + * All rights reserved. + * + * @par + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. 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. + * 3. Neither the name of the Intel Corporation nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * @par + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``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 THE COPYRIGHT OWNER OR CONTRIBUTORS 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. + * + * @par + * -- End of Copyright Notice -- + */ + +#include "IxOsal.h" +#include "IxNpeMh.h" +#ifdef CONFIG_IXP425_COMPONENT_ETHDB +#include "IxEthDB.h" +#endif +#include "IxEthDBPortDefs.h" +#include "IxEthNpe.h" +#include "IxEthAcc.h" +#include "IxEthAccDataPlane_p.h" +#include "IxEthAcc_p.h" +#include "IxEthAccMac_p.h" + +/* Maximum number of retries during ixEthAccPortDisable, which + * is approximately 10 seconds +*/ +#define IX_ETH_ACC_MAX_RETRY 500 + +/* Maximum number of retries during ixEthAccPortDisable when expecting + * timeout + */ +#define IX_ETH_ACC_MAX_RETRY_TIMEOUT 5 + +#define IX_ETH_ACC_VALIDATE_PORT_ID(portId) \ + do \ + { \ + if(!IX_ETH_ACC_IS_PORT_VALID(portId)) \ + { \ + return IX_ETH_ACC_INVALID_PORT; \ + } \ + } while(0) + +PUBLIC IxEthAccMacState ixEthAccMacState[IX_ETH_ACC_NUMBER_OF_PORTS]; + +PRIVATE UINT32 ixEthAccMacBase[IX_ETH_ACC_NUMBER_OF_PORTS]; + +/*Forward function declarations*/ +PRIVATE void +ixEthAccPortDisableRx (IxEthAccPortId portId, + IX_OSAL_MBUF * mBufPtr, + BOOL useMultiBufferCallback); + +PRIVATE void +ixEthAccPortDisableRxAndReplenish (IxEthAccPortId portId, + IX_OSAL_MBUF * mBufPtr, + BOOL useMultiBufferCallback); + +PRIVATE void +ixEthAccPortDisableTxDone (UINT32 cbTag, + IX_OSAL_MBUF *mbuf); + +PRIVATE void +ixEthAccPortDisableTxDoneAndSubmit (UINT32 cbTag, + IX_OSAL_MBUF *mbuf); + +PRIVATE void +ixEthAccPortDisableRxCallback (UINT32 cbTag, + IX_OSAL_MBUF * mBufPtr, + UINT32 learnedPortId); + +PRIVATE void +ixEthAccPortDisableMultiBufferRxCallback (UINT32 cbTag, + IX_OSAL_MBUF **mBufPtr); + +PRIVATE IxEthAccStatus +ixEthAccPortDisableTryTransmit(UINT32 portId); + +PRIVATE IxEthAccStatus +ixEthAccPortDisableTryReplenish(UINT32 portId); + +PRIVATE IxEthAccStatus +ixEthAccPortMulticastMacAddressGet (IxEthAccPortId portId, + IxEthAccMacAddr *macAddr); + +PRIVATE IxEthAccStatus +ixEthAccPortMulticastMacFilterGet (IxEthAccPortId portId, + IxEthAccMacAddr *macAddr); + +PRIVATE void +ixEthAccMacNpeStatsMessageCallback (IxNpeMhNpeId npeId, + IxNpeMhMessage msg); + +PRIVATE void +ixEthAccMacNpeStatsResetMessageCallback (IxNpeMhNpeId npeId, + IxNpeMhMessage msg); + +PRIVATE void +ixEthAccNpeLoopbackMessageCallback (IxNpeMhNpeId npeId, + IxNpeMhMessage msg); + +PRIVATE void +ixEthAccMulticastAddressSet(IxEthAccPortId portId); + +PRIVATE BOOL +ixEthAccMacEqual(IxEthAccMacAddr *macAddr1, + IxEthAccMacAddr *macAddr2); + +PRIVATE void +ixEthAccMacPrint(IxEthAccMacAddr *m); + +PRIVATE void +ixEthAccMacStateUpdate(IxEthAccPortId portId); + +IxEthAccStatus +ixEthAccMacMemInit(void) +{ + ixEthAccMacBase[IX_ETH_PORT_1] = + (UINT32) IX_OSAL_MEM_MAP(IX_ETH_ACC_MAC_0_BASE, + IX_OSAL_IXP400_ETHA_MAP_SIZE); + ixEthAccMacBase[IX_ETH_PORT_2] = + (UINT32) IX_OSAL_MEM_MAP(IX_ETH_ACC_MAC_1_BASE, + IX_OSAL_IXP400_ETHB_MAP_SIZE); +#ifdef __ixp46X + ixEthAccMacBase[IX_ETH_PORT_3] = + (UINT32) IX_OSAL_MEM_MAP(IX_ETH_ACC_MAC_2_BASE, + IX_OSAL_IXP400_ETH_NPEA_MAP_SIZE); + if (ixEthAccMacBase[IX_ETH_PORT_3] == 0) + { + ixOsalLog(IX_OSAL_LOG_LVL_FATAL, + IX_OSAL_LOG_DEV_STDOUT, + "EthAcc: Could not map MAC I/O memory\n", + 0, 0, 0, 0, 0 ,0); + + return IX_ETH_ACC_FAIL; + } +#endif + + if (ixEthAccMacBase[IX_ETH_PORT_1] == 0 + || ixEthAccMacBase[IX_ETH_PORT_2] == 0) + { + ixOsalLog(IX_OSAL_LOG_LVL_FATAL, + IX_OSAL_LOG_DEV_STDOUT, + "EthAcc: Could not map MAC I/O memory\n", + 0, 0, 0, 0, 0 ,0); + + return IX_ETH_ACC_FAIL; + } + + return IX_ETH_ACC_SUCCESS; +} + +void +ixEthAccMacUnload(void) +{ + IX_OSAL_MEM_UNMAP(ixEthAccMacBase[IX_ETH_PORT_1]); + IX_OSAL_MEM_UNMAP(ixEthAccMacBase[IX_ETH_PORT_2]); +#ifdef __ixp46X + IX_OSAL_MEM_UNMAP(ixEthAccMacBase[IX_ETH_PORT_3]); + ixEthAccMacBase[IX_ETH_PORT_3] = 0; +#endif + ixEthAccMacBase[IX_ETH_PORT_2] = 0; + ixEthAccMacBase[IX_ETH_PORT_1] = 0; +} + +IxEthAccStatus +ixEthAccPortEnablePriv(IxEthAccPortId portId) +{ + IX_ETH_ACC_VALIDATE_PORT_ID(portId); + + if (IX_ETH_ACC_SUCCESS != ixEthAccSingleEthNpeCheck(portId)) + { + IX_ETH_ACC_WARNING_LOG("EthAcc: Unavailable Eth %d: Cannot enable port.\n",(INT32)portId,0,0,0,0,0); + return IX_ETH_ACC_SUCCESS ; + } + + if (!IX_ETH_IS_PORT_INITIALIZED(portId)) + { + printf("EthAcc: (Mac) cannot enable port %d, port not initialized\n", portId); + return (IX_ETH_ACC_PORT_UNINITIALIZED); + } + + if (ixEthAccPortData[portId].ixEthAccTxData.txBufferDoneCallbackFn == NULL) + { + /* TxDone callback not registered */ + printf("EthAcc: (Mac) cannot enable port %d, TxDone callback not registered\n", portId); + return (IX_ETH_ACC_PORT_UNINITIALIZED); + } + + if ((ixEthAccPortData[portId].ixEthAccRxData.rxCallbackFn == NULL) + && (ixEthAccPortData[portId].ixEthAccRxData.rxMultiBufferCallbackFn == NULL)) + { + /* Receive callback not registered */ + printf("EthAcc: (Mac) cannot enable port %d, Rx callback not registered\n", portId); + return (IX_ETH_ACC_PORT_UNINITIALIZED); + } + + if(!ixEthAccMacState[portId].initDone) + { + printf("EthAcc: (Mac) cannot enable port %d, MAC address not set\n", portId); + return (IX_ETH_ACC_MAC_UNINITIALIZED); + } + + /* if the state is being set to what it is already at, do nothing*/ + if (ixEthAccMacState[portId].enabled) + { + return IX_ETH_ACC_SUCCESS; + } + +#ifdef CONFIG_IXP425_COMPONENT_ETHDB + /* enable ethernet database for this port */ + if (ixEthDBPortEnable(portId) != IX_ETH_DB_SUCCESS) + { + printf("EthAcc: (Mac) cannot enable port %d, EthDB failure\n", portId); + return IX_ETH_ACC_FAIL; + } +#endif + + /* set the MAC core registers */ + REG_WRITE(ixEthAccMacBase[portId], + IX_ETH_ACC_MAC_TX_CNTRL2, + IX_ETH_ACC_TX_CNTRL2_RETRIES_MASK); + + REG_WRITE(ixEthAccMacBase[portId], + IX_ETH_ACC_MAC_RANDOM_SEED, + IX_ETH_ACC_RANDOM_SEED_DEFAULT); + + REG_WRITE(ixEthAccMacBase[portId], + IX_ETH_ACC_MAC_THRESH_P_EMPTY, + IX_ETH_ACC_MAC_THRESH_P_EMPTY_DEFAULT); + + REG_WRITE(ixEthAccMacBase[portId], + IX_ETH_ACC_MAC_THRESH_P_FULL, + IX_ETH_ACC_MAC_THRESH_P_FULL_DEFAULT); + + REG_WRITE(ixEthAccMacBase[portId], + IX_ETH_ACC_MAC_TX_DEFER, + IX_ETH_ACC_MAC_TX_DEFER_DEFAULT); + + REG_WRITE(ixEthAccMacBase[portId], + IX_ETH_ACC_MAC_TX_TWO_DEFER_1, + IX_ETH_ACC_MAC_TX_TWO_DEFER_1_DEFAULT); + + REG_WRITE(ixEthAccMacBase[portId], + IX_ETH_ACC_MAC_TX_TWO_DEFER_2, + IX_ETH_ACC_MAC_TX_TWO_DEFER_2_DEFAULT); + + REG_WRITE(ixEthAccMacBase[portId], + IX_ETH_ACC_MAC_SLOT_TIME, + IX_ETH_ACC_MAC_SLOT_TIME_DEFAULT); + + REG_WRITE(ixEthAccMacBase[portId], + IX_ETH_ACC_MAC_INT_CLK_THRESH, + IX_ETH_ACC_MAC_INT_CLK_THRESH_DEFAULT); + + REG_WRITE(ixEthAccMacBase[portId], + IX_ETH_ACC_MAC_BUF_SIZE_TX, + IX_ETH_ACC_MAC_BUF_SIZE_TX_DEFAULT); + + REG_WRITE(ixEthAccMacBase[portId], + IX_ETH_ACC_MAC_TX_CNTRL1, + IX_ETH_ACC_TX_CNTRL1_DEFAULT); + + REG_WRITE(ixEthAccMacBase[portId], + IX_ETH_ACC_MAC_RX_CNTRL1, + IX_ETH_ACC_RX_CNTRL1_DEFAULT); + + /* set the global state */ + ixEthAccMacState[portId].portDisableState = ACTIVE; + ixEthAccMacState[portId].enabled = TRUE; + + /* rewrite the setup (including mac filtering) depending + * on current options + */ + ixEthAccMacStateUpdate(portId); + + return IX_ETH_ACC_SUCCESS; +} + +/* + * PortDisable local variables. They contain the intermediate steps + * while the port is being disabled and the buffers being drained out + * of the NPE. + */ +typedef void (*IxEthAccPortDisableRx)(IxEthAccPortId portId, + IX_OSAL_MBUF * mBufPtr, + BOOL useMultiBufferCallback); +static IxEthAccPortRxCallback +ixEthAccPortDisableFn[IX_ETH_ACC_NUMBER_OF_PORTS]; +static IxEthAccPortMultiBufferRxCallback +ixEthAccPortDisableMultiBufferFn[IX_ETH_ACC_NUMBER_OF_PORTS]; +static IxEthAccPortDisableRx +ixEthAccPortDisableRxTable[IX_ETH_ACC_NUMBER_OF_PORTS]; +static UINT32 +ixEthAccPortDisableCbTag[IX_ETH_ACC_NUMBER_OF_PORTS]; +static UINT32 +ixEthAccPortDisableMultiBufferCbTag[IX_ETH_ACC_NUMBER_OF_PORTS]; + +static IxEthAccPortTxDoneCallback +ixEthAccPortDisableTxDoneFn[IX_ETH_ACC_NUMBER_OF_PORTS]; +static UINT32 +ixEthAccPortDisableTxDoneCbTag[IX_ETH_ACC_NUMBER_OF_PORTS]; + +static UINT32 +ixEthAccPortDisableUserBufferCount[IX_ETH_ACC_NUMBER_OF_PORTS]; + +/* + * PortDisable private callbacks functions. They handle the user + * traffic, and the special buffers (one for tx, one for rx) used + * in portDisable. + */ +PRIVATE void +ixEthAccPortDisableTxDone(UINT32 cbTag, + IX_OSAL_MBUF *mbuf) +{ + IxEthAccPortId portId = (IxEthAccPortId)cbTag; + volatile IxEthAccPortDisableState *txState = &ixEthAccMacState[portId].txState; + + /* check for the special mbuf used in portDisable */ + if (mbuf == ixEthAccMacState[portId].portDisableTxMbufPtr) + { + *txState = TRANSMIT_DONE; + } + else + { + /* increment the count of user traffic during portDisable */ + ixEthAccPortDisableUserBufferCount[portId]++; + + /* call client TxDone function */ + ixEthAccPortDisableTxDoneFn[portId](ixEthAccPortDisableTxDoneCbTag[portId], mbuf); + } +} + +PRIVATE IxEthAccStatus +ixEthAccPortDisableTryTransmit(UINT32 portId) +{ + int key; + IxEthAccStatus status = IX_ETH_ACC_SUCCESS; + volatile IxEthAccPortDisableState *txState = &ixEthAccMacState[portId].txState; + /* transmit the special buffer again if it is transmitted + * and update the txState + * This section is protected because the portDisable context + * run an identical code, so the system keeps transmitting at the + * maximum rate. + */ + key = ixOsalIrqLock(); + if (*txState == TRANSMIT_DONE) + { + IX_OSAL_MBUF *mbufTxPtr = ixEthAccMacState[portId].portDisableTxMbufPtr; + *txState = TRANSMIT; + status = ixEthAccPortTxFrameSubmit(portId, + mbufTxPtr, + IX_ETH_ACC_TX_DEFAULT_PRIORITY); + } + ixOsalIrqUnlock(key); + + return status; +} + +PRIVATE void +ixEthAccPortDisableTxDoneAndSubmit(UINT32 cbTag, + IX_OSAL_MBUF *mbuf) +{ + IxEthAccPortId portId = (IxEthAccPortId)cbTag; + + /* call the callback which forwards the traffic to the client */ + ixEthAccPortDisableTxDone(cbTag, mbuf); + + /* try to transmit the buffer used in portDisable + * if seen in TxDone + */ + ixEthAccPortDisableTryTransmit(portId); +} + +PRIVATE void +ixEthAccPortDisableRx (IxEthAccPortId portId, + IX_OSAL_MBUF * mBufPtr, + BOOL useMultiBufferCallback) +{ + volatile IxEthAccPortDisableState *rxState = &ixEthAccMacState[portId].rxState; + IX_OSAL_MBUF *mNextPtr; + + while (mBufPtr) + { + mNextPtr = IX_OSAL_MBUF_NEXT_BUFFER_IN_PKT_PTR(mBufPtr); + IX_OSAL_MBUF_NEXT_BUFFER_IN_PKT_PTR(mBufPtr) = NULL; + + /* check for the special mbuf used in portDisable */ + if (mBufPtr == ixEthAccMacState[portId].portDisableRxMbufPtr) + { + *rxState = RECEIVE; + } + else + { + /* increment the count of user traffic during portDisable */ + ixEthAccPortDisableUserBufferCount[portId]++; + + /* reset the received payload length during portDisable */ + IX_OSAL_MBUF_MLEN(mBufPtr) = 0; + IX_OSAL_MBUF_PKT_LEN(mBufPtr) = 0; + + if (useMultiBufferCallback) + { + /* call the user callback with one unchained + * buffer, without payload. A small array is built + * to be used as a parameter (the user callback expects + * to receive an array ended by a NULL pointer. + */ + IX_OSAL_MBUF *mBufPtrArray[2]; + + mBufPtrArray[0] = mBufPtr; + mBufPtrArray[1] = NULL; + ixEthAccPortDisableMultiBufferFn[portId]( + ixEthAccPortDisableMultiBufferCbTag[portId], + mBufPtrArray); + } + else + { + /* call the user callback with a unchained + * buffer, without payload and the destination port is + * unknown. + */ + ixEthAccPortDisableFn[portId]( + ixEthAccPortDisableCbTag[portId], + mBufPtr, + IX_ETH_DB_UNKNOWN_PORT /* port not found */); + } + } + + mBufPtr = mNextPtr; + } +} + +PRIVATE IxEthAccStatus +ixEthAccPortDisableTryReplenish(UINT32 portId) +{ + int key; + IxEthAccStatus status = IX_ETH_ACC_SUCCESS; + volatile IxEthAccPortDisableState *rxState = &ixEthAccMacState[portId].rxState; + /* replenish with the special buffer again if it is received + * and update the rxState + * This section is protected because the portDisable context + * run an identical code, so the system keeps replenishing at the + * maximum rate. + */ + key = ixOsalIrqLock(); + if (*rxState == RECEIVE) + { + IX_OSAL_MBUF *mbufRxPtr = ixEthAccMacState[portId].portDisableRxMbufPtr; + *rxState = REPLENISH; + IX_OSAL_MBUF_MLEN(mbufRxPtr) = IX_ETHACC_RX_MBUF_MIN_SIZE; + status = ixEthAccPortRxFreeReplenish(portId, mbufRxPtr); + } + ixOsalIrqUnlock(key); + + return status; +} + +PRIVATE void +ixEthAccPortDisableRxAndReplenish (IxEthAccPortId portId, + IX_OSAL_MBUF * mBufPtr, + BOOL useMultiBufferCallback) +{ + /* call the callback which forwards the traffic to the client */ + ixEthAccPortDisableRx(portId, mBufPtr, useMultiBufferCallback); + + /* try to replenish with the buffer used in portDisable + * if seen in Rx + */ + ixEthAccPortDisableTryReplenish(portId); +} + +PRIVATE void +ixEthAccPortDisableRxCallback (UINT32 cbTag, + IX_OSAL_MBUF * mBufPtr, + UINT32 learnedPortId) +{ + IxEthAccPortId portId = (IxEthAccPortId)cbTag; + + /* call the portDisable receive callback */ + (ixEthAccPortDisableRxTable[portId])(portId, mBufPtr, FALSE); +} + +PRIVATE void +ixEthAccPortDisableMultiBufferRxCallback (UINT32 cbTag, + IX_OSAL_MBUF **mBufPtr) +{ + IxEthAccPortId portId = (IxEthAccPortId)cbTag; + + while (*mBufPtr) + { + /* call the portDisable receive callback with one buffer at a time */ + (ixEthAccPortDisableRxTable[portId])(portId, *mBufPtr++, TRUE); + } +} + +IxEthAccStatus +ixEthAccPortDisablePriv(IxEthAccPortId portId) +{ + IxEthAccStatus status = IX_ETH_ACC_SUCCESS; + int key; + int retry, retryTimeout; + volatile IxEthAccPortDisableState *state = &ixEthAccMacState[portId].portDisableState; + volatile IxEthAccPortDisableState *rxState = &ixEthAccMacState[portId].rxState; + volatile IxEthAccPortDisableState *txState = &ixEthAccMacState[portId].txState; + + IX_ETH_ACC_VALIDATE_PORT_ID(portId); + + if (IX_ETH_ACC_SUCCESS != ixEthAccSingleEthNpeCheck(portId)) + { + IX_ETH_ACC_WARNING_LOG("EthAcc: Unavailable Eth %d: Cannot disable port.\n",(INT32)portId,0,0,0,0,0); + return IX_ETH_ACC_SUCCESS ; + } + + if (!IX_ETH_IS_PORT_INITIALIZED(portId)) + { + return (IX_ETH_ACC_PORT_UNINITIALIZED); + } + + /* if the state is being set to what it is already at, do nothing */ + if (!ixEthAccMacState[portId].enabled) + { + return IX_ETH_ACC_SUCCESS; + } + + *state = DISABLED; + + /* disable MAC receive first */ + ixEthAccPortRxDisablePriv(portId); + +#ifdef CONFIG_IXP425_COMPONENT_ETHDB + /* disable ethernet database for this port - It is done now to avoid + * issuing ELT maintenance after requesting 'port disable' in an NPE + */ + if (ixEthDBPortDisable(portId) != IX_ETH_DB_SUCCESS) + { + status = IX_ETH_ACC_FAIL; + IX_ETH_ACC_FATAL_LOG("ixEthAccPortDisable: failed to disable EthDB for this port\n", 0, 0, 0, 0, 0, 0); + } +#endif + + /* enter the critical section */ + key = ixOsalIrqLock(); + + /* swap the Rx and TxDone callbacks */ + ixEthAccPortDisableFn[portId] = ixEthAccPortData[portId].ixEthAccRxData.rxCallbackFn; + ixEthAccPortDisableMultiBufferFn[portId] = ixEthAccPortData[portId].ixEthAccRxData.rxMultiBufferCallbackFn; + ixEthAccPortDisableCbTag[portId] = ixEthAccPortData[portId].ixEthAccRxData.rxCallbackTag; + ixEthAccPortDisableMultiBufferCbTag[portId] = ixEthAccPortData[portId].ixEthAccRxData.rxMultiBufferCallbackTag; + ixEthAccPortDisableTxDoneFn[portId] = ixEthAccPortData[portId].ixEthAccTxData.txBufferDoneCallbackFn; + ixEthAccPortDisableTxDoneCbTag[portId] = ixEthAccPortData[portId].ixEthAccTxData.txCallbackTag; + ixEthAccPortDisableRxTable[portId] = ixEthAccPortDisableRx; + + /* register temporary callbacks */ + ixEthAccPortData[portId].ixEthAccRxData.rxCallbackFn = ixEthAccPortDisableRxCallback; + ixEthAccPortData[portId].ixEthAccRxData.rxCallbackTag = portId; + + ixEthAccPortData[portId].ixEthAccRxData.rxMultiBufferCallbackFn = ixEthAccPortDisableMultiBufferRxCallback; + ixEthAccPortData[portId].ixEthAccRxData.rxMultiBufferCallbackTag = portId; + + ixEthAccPortData[portId].ixEthAccTxData.txBufferDoneCallbackFn = ixEthAccPortDisableTxDone; + ixEthAccPortData[portId].ixEthAccTxData.txCallbackTag = portId; + + /* initialise the Rx state and Tx states */ + *txState = TRANSMIT_DONE; + *rxState = RECEIVE; + + /* exit the critical section */ + ixOsalIrqUnlock(key); + + /* enable a NPE loopback */ + if (ixEthAccNpeLoopbackEnablePriv(portId) != IX_ETH_ACC_SUCCESS) + { + status = IX_ETH_ACC_FAIL; + } + + if (status == IX_ETH_ACC_SUCCESS) + { + retry = 0; + + /* Step 1 : Drain Tx traffic and TxDone queues : + * + * Transmit and replenish at least once with the + * special buffers until both of them are seen + * in the callback hook + * + * (the receive callback keeps replenishing, so once we see + * the special Tx buffer, we can be sure that Tx drain is complete) + */ + ixEthAccPortDisableRxTable[portId] + = ixEthAccPortDisableRxAndReplenish; + ixEthAccPortData[portId].ixEthAccTxData.txBufferDoneCallbackFn + = ixEthAccPortDisableTxDone; + + do + { + /* keep replenishing */ + status = ixEthAccPortDisableTryReplenish(portId); + if (status == IX_ETH_ACC_SUCCESS) + { + /* keep transmitting */ + status = ixEthAccPortDisableTryTransmit(portId); + } + if (status == IX_ETH_ACC_SUCCESS) + { + /* wait for some traffic being processed */ + ixOsalSleep(IX_ETH_ACC_PORT_DISABLE_DELAY_MSECS); + } + } + while ((status == IX_ETH_ACC_SUCCESS) + && (retry++ < IX_ETH_ACC_MAX_RETRY) + && (*txState == TRANSMIT)); + + /* Step 2 : Drain Rx traffic, RxFree and Rx queues : + * + * Transmit and replenish at least once with the + * special buffers until both of them are seen + * in the callback hook + * (the transmit callback keeps transmitting, and when we see + * the special Rx buffer, we can be sure that rxFree drain + * is complete) + * + * The nested loop helps to retry if the user was keeping + * replenishing or transmitting during portDisable. + * + * The 2 nested loops ensure more retries if user traffic is + * seen during portDisable : the user should not replenish + * or transmit while portDisable is running. However, because of + * the queueing possibilities in ethAcc dataplane, it is possible + * that a lot of traffic is left in the queues (e.g. when + * transmitting over a low speed link) and therefore, more + * retries are allowed to help flushing the buffers out. + */ + ixEthAccPortDisableRxTable[portId] + = ixEthAccPortDisableRx; + ixEthAccPortData[portId].ixEthAccTxData.txBufferDoneCallbackFn + = ixEthAccPortDisableTxDoneAndSubmit; + + do + { + do + { + ixEthAccPortDisableUserBufferCount[portId] = 0; + + /* keep replenishing */ + status = ixEthAccPortDisableTryReplenish(portId); + if (status == IX_ETH_ACC_SUCCESS) + { + /* keep transmitting */ + status = ixEthAccPortDisableTryTransmit(portId); + } + if (status == IX_ETH_ACC_SUCCESS) + { + /* wait for some traffic being processed */ + ixOsalSleep(IX_ETH_ACC_PORT_DISABLE_DELAY_MSECS); + } + } + while ((status == IX_ETH_ACC_SUCCESS) + && (retry++ < IX_ETH_ACC_MAX_RETRY) + && ((ixEthAccPortDisableUserBufferCount[portId] != 0) + || (*rxState == REPLENISH))); + + /* After the first iteration, change the receive callbacks, + * to process only 1 buffer at a time + */ + ixEthAccPortDisableRxTable[portId] + = ixEthAccPortDisableRx; + ixEthAccPortData[portId].ixEthAccTxData.txBufferDoneCallbackFn + = ixEthAccPortDisableTxDone; + + /* repeat the whole process while user traffic is seen in TxDone + * + * The conditions to stop the loop are + * - Xscale has both Rx and Tx special buffers + * (txState = transmit, rxState = receive) + * - any error in txSubmit or rxReplenish + * - no user traffic seen + * - an excessive amount of retries + */ + } + while ((status == IX_ETH_ACC_SUCCESS) + && (retry < IX_ETH_ACC_MAX_RETRY) + && (*txState == TRANSMIT)); + + /* check the loop exit conditions. The NPE should not hold + * the special buffers. + */ + if ((*rxState == REPLENISH) || (*txState == TRANSMIT)) + { + status = IX_ETH_ACC_FAIL; + } + + if (status == IX_ETH_ACC_SUCCESS) + { + /* Step 3 : Replenish without transmitting until a timeout + * occurs, in order to drain the internal NPE fifos + * + * we can expect a few frames srill held + * in the NPE. + * + * The 2 nested loops take care about the NPE dropping traffic + * (including loopback traffic) when the Rx queue is full. + * + * The timeout value is very conservative + * since the loopback used keeps replenishhing. + * + */ + do + { + ixEthAccPortDisableRxTable[portId] = ixEthAccPortDisableRxAndReplenish; + ixEthAccPortDisableUserBufferCount[portId] = 0; + retryTimeout = 0; + do + { + /* keep replenishing */ + status = ixEthAccPortDisableTryReplenish(portId); + if (status == IX_ETH_ACC_SUCCESS) + { + /* wait for some traffic being processed */ + ixOsalSleep(IX_ETH_ACC_PORT_DISABLE_DELAY_MSECS); + } + } + while ((status == IX_ETH_ACC_SUCCESS) + && (retryTimeout++ < IX_ETH_ACC_MAX_RETRY_TIMEOUT)); + + /* Step 4 : Transmit once. Stop replenish + * + * After the Rx timeout, we are sure that the NPE does not + * hold any frame in its internal NPE fifos. + * + * At this point, the NPE still holds the last rxFree buffer. + * By transmitting a single frame, this should unblock the + * last rxFree buffer. This code just transmit once and + * wait for both frames seen in TxDone and in rxFree. + * + */ + ixEthAccPortDisableRxTable[portId] = ixEthAccPortDisableRx; + status = ixEthAccPortDisableTryTransmit(portId); + + /* the NPE should immediatelyt release + * the last Rx buffer and the last transmitted buffer + * unless the last Tx frame was dropped (rx queue full) + */ + if (status == IX_ETH_ACC_SUCCESS) + { + retryTimeout = 0; + do + { + ixOsalSleep(IX_ETH_ACC_PORT_DISABLE_DELAY_MSECS); + } + while ((*rxState == REPLENISH) + && (retryTimeout++ < IX_ETH_ACC_MAX_RETRY_TIMEOUT)); + } + + /* the NPE may have dropped the traffic because of Rx + * queue being full. This code ensures that the last + * Tx and Rx frames are both received. + */ + } + while ((status == IX_ETH_ACC_SUCCESS) + && (retry++ < IX_ETH_ACC_MAX_RETRY) + && ((*txState == TRANSMIT) + || (*rxState == REPLENISH) + || (ixEthAccPortDisableUserBufferCount[portId] != 0))); + + /* Step 5 : check the final states : the NPE has + * no buffer left, nor in Tx , nor in Rx directions. + */ + if ((*rxState == REPLENISH) || (*txState == TRANSMIT)) + { + status = IX_ETH_ACC_FAIL; + } + } + + /* now all the buffers are drained, disable NPE loopback + * This is done regardless of the logic to drain the queues and + * the internal buffers held by the NPE. + */ + if (ixEthAccNpeLoopbackDisablePriv(portId) != IX_ETH_ACC_SUCCESS) + { + status = IX_ETH_ACC_FAIL; + } + } + + /* disable MAC Tx and Rx services */ + ixEthAccMacState[portId].enabled = FALSE; + ixEthAccMacStateUpdate(portId); + + /* restore the Rx and TxDone callbacks (within a critical section) */ + key = ixOsalIrqLock(); + + ixEthAccPortData[portId].ixEthAccRxData.rxCallbackFn = ixEthAccPortDisableFn[portId]; + ixEthAccPortData[portId].ixEthAccRxData.rxCallbackTag = ixEthAccPortDisableCbTag[portId]; + ixEthAccPortData[portId].ixEthAccRxData.rxMultiBufferCallbackFn = ixEthAccPortDisableMultiBufferFn[portId]; + ixEthAccPortData[portId].ixEthAccRxData.rxMultiBufferCallbackTag = ixEthAccPortDisableMultiBufferCbTag[portId]; + ixEthAccPortData[portId].ixEthAccTxData.txBufferDoneCallbackFn = ixEthAccPortDisableTxDoneFn[portId]; + ixEthAccPortData[portId].ixEthAccTxData.txCallbackTag = ixEthAccPortDisableTxDoneCbTag[portId]; + + ixOsalIrqUnlock(key); + + /* the MAC core rx/tx disable may left the MAC hardware in an + * unpredictable state. A hw reset is executed before resetting + * all the MAC parameters to a known value. + */ + REG_WRITE(ixEthAccMacBase[portId], + IX_ETH_ACC_MAC_CORE_CNTRL, + IX_ETH_ACC_CORE_RESET); + + ixOsalSleep(IX_ETH_ACC_MAC_RESET_DELAY); + + /* rewrite all parameters to their current value */ + ixEthAccMacStateUpdate(portId); + + REG_WRITE(ixEthAccMacBase[portId], + IX_ETH_ACC_MAC_INT_CLK_THRESH, + IX_ETH_ACC_MAC_INT_CLK_THRESH_DEFAULT); + + REG_WRITE(ixEthAccMacBase[portId], + IX_ETH_ACC_MAC_CORE_CNTRL, + IX_ETH_ACC_CORE_MDC_EN); + + return status; +} + +IxEthAccStatus +ixEthAccPortEnabledQueryPriv(IxEthAccPortId portId, BOOL *enabled) +{ + IX_ETH_ACC_VALIDATE_PORT_ID(portId); + + if (IX_ETH_ACC_SUCCESS != ixEthAccSingleEthNpeCheck(portId)) + { + IX_ETH_ACC_WARNING_LOG("EthAcc: Unavailable Eth %d: Cannot enable port.\n",(INT32)portId,0,0,0,0,0); + + /* Since Eth NPE is not available, port must be disabled */ + *enabled = FALSE ; + return IX_ETH_ACC_SUCCESS ; + } + + if (!IX_ETH_IS_PORT_INITIALIZED(portId)) + { + /* Since Eth NPE is not available, port must be disabled */ + *enabled = FALSE ; + return (IX_ETH_ACC_PORT_UNINITIALIZED); + } + + *enabled = ixEthAccMacState[portId].enabled; + + return IX_ETH_ACC_SUCCESS; +} + +IxEthAccStatus +ixEthAccPortMacResetPriv(IxEthAccPortId portId) +{ + IX_ETH_ACC_VALIDATE_PORT_ID(portId); + + if (IX_ETH_ACC_SUCCESS != ixEthAccSingleEthNpeCheck(portId)) + { + IX_ETH_ACC_WARNING_LOG("EthAcc: Eth %d: Cannot reset Ethernet coprocessor.\n",(INT32)portId,0,0,0,0,0); + return IX_ETH_ACC_SUCCESS ; + } + + if (!IX_ETH_IS_PORT_INITIALIZED(portId)) + { + return (IX_ETH_ACC_PORT_UNINITIALIZED); + } + + REG_WRITE(ixEthAccMacBase[portId], + IX_ETH_ACC_MAC_CORE_CNTRL, + IX_ETH_ACC_CORE_RESET); + + ixOsalSleep(IX_ETH_ACC_MAC_RESET_DELAY); + + /* rewrite all parameters to their current value */ + ixEthAccMacStateUpdate(portId); + + REG_WRITE(ixEthAccMacBase[portId], + IX_ETH_ACC_MAC_INT_CLK_THRESH, + IX_ETH_ACC_MAC_INT_CLK_THRESH_DEFAULT); + + REG_WRITE(ixEthAccMacBase[portId], + IX_ETH_ACC_MAC_CORE_CNTRL, + IX_ETH_ACC_CORE_MDC_EN); + + return IX_ETH_ACC_SUCCESS; +} + +IxEthAccStatus +ixEthAccPortLoopbackEnable(IxEthAccPortId portId) +{ + UINT32 regval; + + /* Turn off promiscuous mode */ + IX_ETH_ACC_VALIDATE_PORT_ID(portId); + + if (IX_ETH_ACC_SUCCESS != ixEthAccSingleEthNpeCheck(portId)) + { + IX_ETH_ACC_WARNING_LOG("EthAcc: Eth %d: Cannot enable loopback.\n",(INT32)portId,0,0,0,0,0); + return IX_ETH_ACC_SUCCESS ; + } + + if (!IX_ETH_IS_PORT_INITIALIZED(portId)) + { + return (IX_ETH_ACC_PORT_UNINITIALIZED); + } + + /* read register */ + REG_READ(ixEthAccMacBase[portId], + IX_ETH_ACC_MAC_RX_CNTRL1, + regval); + + /* update register */ + REG_WRITE(ixEthAccMacBase[portId], + IX_ETH_ACC_MAC_RX_CNTRL1, + regval | IX_ETH_ACC_RX_CNTRL1_LOOP_EN); + + return IX_ETH_ACC_SUCCESS; +} + +PRIVATE void +ixEthAccNpeLoopbackMessageCallback (IxNpeMhNpeId npeId, + IxNpeMhMessage msg) +{ + IxEthAccPortId portId = IX_ETH_ACC_NPE_TO_PORT_ID(npeId); + +#ifndef NDEBUG + /* Prudent to at least check the port is within range */ + if (portId >= IX_ETH_ACC_NUMBER_OF_PORTS) + { + IX_ETH_ACC_FATAL_LOG("IXETHACC:ixEthAccPortDisableMessageCallback: Illegal port: %u\n", + (UINT32) portId, 0, 0, 0, 0, 0); + + return; + } +#endif + + /* unlock message reception mutex */ + ixOsalMutexUnlock(&ixEthAccMacState[portId].npeLoopbackMessageLock); +} + +IxEthAccStatus +ixEthAccNpeLoopbackEnablePriv(IxEthAccPortId portId) +{ + IX_STATUS npeMhStatus; + IxNpeMhMessage message; + IxEthAccStatus status = IX_ETH_ACC_SUCCESS; + + /* Turn off promiscuous mode */ + IX_ETH_ACC_VALIDATE_PORT_ID(portId); + + if (IX_ETH_ACC_SUCCESS != ixEthAccSingleEthNpeCheck(portId)) + { + IX_ETH_ACC_WARNING_LOG("EthAcc: Eth %d: Cannot enable NPE loopback.\n",(INT32)portId,0,0,0,0,0); + return IX_ETH_ACC_SUCCESS ; + } + + if (!IX_ETH_IS_PORT_INITIALIZED(portId)) + { + return (IX_ETH_ACC_PORT_UNINITIALIZED); + } + + /* enable NPE loopback (lsb of the message contains the value 1) */ + message.data[0] = (IX_ETHNPE_SETLOOPBACK_MODE << IX_ETH_ACC_MAC_MSGID_SHL) + | 0x01; + message.data[1] = 0; + + npeMhStatus = ixNpeMhMessageWithResponseSend(IX_ETH_ACC_PORT_TO_NPE_ID(portId), + message, + IX_ETHNPE_SETLOOPBACK_MODE_ACK, + ixEthAccNpeLoopbackMessageCallback, + IX_NPEMH_SEND_RETRIES_DEFAULT); + + if (npeMhStatus != IX_SUCCESS) + { + status = IX_ETH_ACC_FAIL; + } + else + { + /* wait for NPE loopbackEnable response */ + if (ixOsalMutexLock(&ixEthAccMacState[portId]. npeLoopbackMessageLock, + IX_ETH_ACC_PORT_DISABLE_DELAY_MSECS) + != IX_SUCCESS) + { + status = IX_ETH_ACC_FAIL; + } + } + + return status; +} + +IxEthAccStatus +ixEthAccPortTxEnablePriv(IxEthAccPortId portId) +{ + UINT32 regval; + + /* Turn off promiscuous mode */ + IX_ETH_ACC_VALIDATE_PORT_ID(portId); + + if (IX_ETH_ACC_SUCCESS != ixEthAccSingleEthNpeCheck(portId)) + { + IX_ETH_ACC_WARNING_LOG("EthAcc: Eth %d: Cannot enable TX.\n",(INT32)portId,0,0,0,0,0); + return IX_ETH_ACC_SUCCESS ; + } + + if (!IX_ETH_IS_PORT_INITIALIZED(portId)) + { + return (IX_ETH_ACC_PORT_UNINITIALIZED); + } + + /* read register */ + REG_READ(ixEthAccMacBase[portId], + IX_ETH_ACC_MAC_TX_CNTRL1, + regval); + + /* update register */ + REG_WRITE(ixEthAccMacBase[portId], + IX_ETH_ACC_MAC_TX_CNTRL1, + regval | IX_ETH_ACC_TX_CNTRL1_TX_EN); + + return IX_ETH_ACC_SUCCESS; +} + +IxEthAccStatus +ixEthAccPortRxEnablePriv(IxEthAccPortId portId) +{ + UINT32 regval; + + /* Turn off promiscuous mode */ + IX_ETH_ACC_VALIDATE_PORT_ID(portId); + + if (IX_ETH_ACC_SUCCESS != ixEthAccSingleEthNpeCheck(portId)) + { + IX_ETH_ACC_WARNING_LOG("EthAcc: Eth %d: Cannot enable RX.\n",(INT32)portId,0,0,0,0,0); + return IX_ETH_ACC_SUCCESS ; + } + + if (!IX_ETH_IS_PORT_INITIALIZED(portId)) + { + return (IX_ETH_ACC_PORT_UNINITIALIZED); + } + + /* read register */ + REG_READ(ixEthAccMacBase[portId], + IX_ETH_ACC_MAC_RX_CNTRL1, + regval); + + /* update register */ + REG_WRITE(ixEthAccMacBase[portId], + IX_ETH_ACC_MAC_RX_CNTRL1, + regval | IX_ETH_ACC_RX_CNTRL1_RX_EN); + + return IX_ETH_ACC_SUCCESS; +} + +IxEthAccStatus +ixEthAccPortLoopbackDisable(IxEthAccPortId portId) +{ + UINT32 regval; + + IX_ETH_ACC_VALIDATE_PORT_ID(portId); + + if (IX_ETH_ACC_SUCCESS != ixEthAccSingleEthNpeCheck(portId)) + { + IX_ETH_ACC_WARNING_LOG("EthAcc: Eth %d: Cannot disable loopback.\n",(INT32)portId,0,0,0,0,0); + return IX_ETH_ACC_SUCCESS ; + } + + if (!IX_ETH_IS_PORT_INITIALIZED(portId)) + { + return (IX_ETH_ACC_PORT_UNINITIALIZED); + } + + /*disable MAC loopabck */ + REG_READ(ixEthAccMacBase[portId], + IX_ETH_ACC_MAC_RX_CNTRL1, + regval); + + REG_WRITE(ixEthAccMacBase[portId], + IX_ETH_ACC_MAC_RX_CNTRL1, + (regval & ~IX_ETH_ACC_RX_CNTRL1_LOOP_EN)); + + return IX_ETH_ACC_SUCCESS; +} + +IxEthAccStatus +ixEthAccNpeLoopbackDisablePriv(IxEthAccPortId portId) +{ + IX_STATUS npeMhStatus; + IxNpeMhMessage message; + IxEthAccStatus status = IX_ETH_ACC_SUCCESS; + + /* Turn off promiscuous mode */ + IX_ETH_ACC_VALIDATE_PORT_ID(portId); + + if (IX_ETH_ACC_SUCCESS != ixEthAccSingleEthNpeCheck(portId)) + { + IX_ETH_ACC_WARNING_LOG("EthAcc: Eth %d: Cannot enable NPE loopback.\n",(INT32)portId,0,0,0,0,0); + return IX_ETH_ACC_SUCCESS ; + } + + if (!IX_ETH_IS_PORT_INITIALIZED(portId)) + { + return (IX_ETH_ACC_PORT_UNINITIALIZED); + } + + /* disable NPE loopback (lsb of the message contains the value 0) */ + message.data[0] = (IX_ETHNPE_SETLOOPBACK_MODE << IX_ETH_ACC_MAC_MSGID_SHL); + message.data[1] = 0; + + npeMhStatus = ixNpeMhMessageWithResponseSend(IX_ETH_ACC_PORT_TO_NPE_ID(portId), + message, + IX_ETHNPE_SETLOOPBACK_MODE_ACK, + ixEthAccNpeLoopbackMessageCallback, + IX_NPEMH_SEND_RETRIES_DEFAULT); + + if (npeMhStatus != IX_SUCCESS) + { + status = IX_ETH_ACC_FAIL; + } + else + { + /* wait for NPE loopbackEnable response */ + if (ixOsalMutexLock(&ixEthAccMacState[portId].npeLoopbackMessageLock, + IX_ETH_ACC_PORT_DISABLE_DELAY_MSECS) + != IX_SUCCESS) + { + status = IX_ETH_ACC_FAIL; + } + } + + return status; +} + +IxEthAccStatus +ixEthAccPortTxDisablePriv(IxEthAccPortId portId) +{ + UINT32 regval; + + /* Turn off promiscuous mode */ + IX_ETH_ACC_VALIDATE_PORT_ID(portId); + + if (IX_ETH_ACC_SUCCESS != ixEthAccSingleEthNpeCheck(portId)) + { + IX_ETH_ACC_WARNING_LOG("EthAcc: Eth %d: Cannot disable TX.\n", (INT32)portId,0,0,0,0,0); + return IX_ETH_ACC_SUCCESS ; + } + + if (!IX_ETH_IS_PORT_INITIALIZED(portId)) + { + return (IX_ETH_ACC_PORT_UNINITIALIZED); + } + + /* read register */ + REG_READ(ixEthAccMacBase[portId], + IX_ETH_ACC_MAC_TX_CNTRL1, + regval); + + /* update register */ + REG_WRITE(ixEthAccMacBase[portId], + IX_ETH_ACC_MAC_TX_CNTRL1, + (regval & ~IX_ETH_ACC_TX_CNTRL1_TX_EN)); + + return IX_ETH_ACC_SUCCESS; +} + +IxEthAccStatus +ixEthAccPortRxDisablePriv(IxEthAccPortId portId) +{ + UINT32 regval; + + /* Turn off promiscuous mode */ + IX_ETH_ACC_VALIDATE_PORT_ID(portId); + + if (IX_ETH_ACC_SUCCESS != ixEthAccSingleEthNpeCheck(portId)) + { + IX_ETH_ACC_WARNING_LOG("EthAcc: Eth %d: Cannot disable RX.\n", (INT32)portId,0,0,0,0,0); + return IX_ETH_ACC_SUCCESS ; + } + + if (!IX_ETH_IS_PORT_INITIALIZED(portId)) + { + return (IX_ETH_ACC_PORT_UNINITIALIZED); + } + + /* read register */ + REG_READ(ixEthAccMacBase[portId], + IX_ETH_ACC_MAC_RX_CNTRL1, + regval); + + /* update register */ + REG_WRITE(ixEthAccMacBase[portId], + IX_ETH_ACC_MAC_RX_CNTRL1, + (regval & ~IX_ETH_ACC_RX_CNTRL1_RX_EN)); + + return IX_ETH_ACC_SUCCESS; +} + +IxEthAccStatus +ixEthAccPortPromiscuousModeClearPriv(IxEthAccPortId portId) +{ + UINT32 regval; + + /* Turn off promiscuous mode */ + IX_ETH_ACC_VALIDATE_PORT_ID(portId); + + if (IX_ETH_ACC_SUCCESS != ixEthAccSingleEthNpeCheck(portId)) + { + IX_ETH_ACC_WARNING_LOG("EthAcc: Unavailable Eth %d: Cannot clear promiscuous mode.\n",(INT32)portId,0,0,0,0,0); + return IX_ETH_ACC_SUCCESS ; + } + + if (!IX_ETH_IS_PORT_INITIALIZED(portId)) + { + return (IX_ETH_ACC_PORT_UNINITIALIZED); + } + + /*set bit 5 of Rx control 1 - enable address filtering*/ + REG_READ(ixEthAccMacBase[portId], + IX_ETH_ACC_MAC_RX_CNTRL1, + regval); + + REG_WRITE(ixEthAccMacBase[portId], + IX_ETH_ACC_MAC_RX_CNTRL1, + regval | IX_ETH_ACC_RX_CNTRL1_ADDR_FLTR_EN); + + ixEthAccMacState[portId].promiscuous = FALSE; + + ixEthAccMulticastAddressSet(portId); + + return IX_ETH_ACC_SUCCESS; +} + +IxEthAccStatus +ixEthAccPortPromiscuousModeSetPriv(IxEthAccPortId portId) +{ + UINT32 regval; + + IX_ETH_ACC_VALIDATE_PORT_ID(portId); + + if (IX_ETH_ACC_SUCCESS != ixEthAccSingleEthNpeCheck(portId)) + { + IX_ETH_ACC_WARNING_LOG("EthAcc: Unavailable Eth %d: Cannot set promiscuous mode.\n",(INT32)portId,0,0,0,0,0); + return IX_ETH_ACC_SUCCESS ; + } + + if (!IX_ETH_IS_PORT_INITIALIZED(portId)) + { + return (IX_ETH_ACC_PORT_UNINITIALIZED); + } + + /* + * Set bit 5 of Rx control 1 - We enable address filtering even in + * promiscuous mode because we want the MAC to set the appropriate + * bits in m_flags which doesn't happen if we turn off filtering. + */ + REG_READ(ixEthAccMacBase[portId], + IX_ETH_ACC_MAC_RX_CNTRL1, + regval); + + REG_WRITE(ixEthAccMacBase[portId], + IX_ETH_ACC_MAC_RX_CNTRL1, + regval | IX_ETH_ACC_RX_CNTRL1_ADDR_FLTR_EN); + + ixEthAccMacState[portId].promiscuous = TRUE; + + ixEthAccMulticastAddressSet(portId); + + return IX_ETH_ACC_SUCCESS; +} + +IxEthAccStatus +ixEthAccPortUnicastMacAddressSetPriv (IxEthAccPortId portId, + IxEthAccMacAddr *macAddr) +{ + UINT32 i; + + IX_ETH_ACC_VALIDATE_PORT_ID(portId); + + if (IX_ETH_ACC_SUCCESS != ixEthAccSingleEthNpeCheck(portId)) + { + IX_ETH_ACC_WARNING_LOG("EthAcc: Unavailable Eth %d: Cannot set Unicast Mac Address.\n",(INT32)portId,0,0,0,0,0); + return IX_ETH_ACC_SUCCESS ; + } + + if (!IX_ETH_IS_PORT_INITIALIZED(portId)) + { + return (IX_ETH_ACC_PORT_UNINITIALIZED); + } + + + if (macAddr == NULL) + { + return IX_ETH_ACC_FAIL; + } + + if ( macAddr->macAddress[0] & IX_ETH_ACC_ETH_MAC_BCAST_MCAST_BIT ) + { + /* This is a multicast/broadcast address cant set it ! */ + return IX_ETH_ACC_FAIL; + } + + if ( macAddr->macAddress[0] == 0 && + macAddr->macAddress[1] == 0 && + macAddr->macAddress[2] == 0 && + macAddr->macAddress[3] == 0 && + macAddr->macAddress[4] == 0 && + macAddr->macAddress[5] == 0 ) + { + /* This is an invalid mac address cant set it ! */ + return IX_ETH_ACC_FAIL; + } + +#ifdef CONFIG_IXP425_COMPONENT_ETHDB + /* update the MAC address in the ethernet database */ + if (ixEthDBPortAddressSet(portId, (IxEthDBMacAddr *) macAddr) != IX_ETH_DB_SUCCESS) + { + return IX_ETH_ACC_FAIL; + } +#endif + + /*Set the Unicast MAC to the specified value*/ + for(i=0;i<IX_IEEE803_MAC_ADDRESS_SIZE;i++) + { + REG_WRITE(ixEthAccMacBase[portId], + IX_ETH_ACC_MAC_UNI_ADDR_1 + i*sizeof(UINT32), + macAddr->macAddress[i]); + } + ixEthAccMacState[portId].initDone = TRUE; + + return IX_ETH_ACC_SUCCESS; +} + +IxEthAccStatus +ixEthAccPortUnicastMacAddressGetPriv (IxEthAccPortId portId, + IxEthAccMacAddr *macAddr) +{ + /*Return the current value of the Unicast MAC from h/w + for the specified port*/ + UINT32 i; + + IX_ETH_ACC_VALIDATE_PORT_ID(portId); + + if (IX_ETH_ACC_SUCCESS != ixEthAccSingleEthNpeCheck(portId)) + { + IX_ETH_ACC_WARNING_LOG("EthAcc: Unavailable Eth %d: Cannot get Unicast Mac Address.\n",(INT32)portId,0,0,0,0,0); + /* Since Eth Npe is unavailable, return invalid MAC Address = 00:00:00:00:00:00 */ + for(i=0;i<IX_IEEE803_MAC_ADDRESS_SIZE;i++) + { + macAddr->macAddress[i] = 0; + } + return IX_ETH_ACC_SUCCESS ; + } + + if(!ixEthAccMacState[portId].initDone) + { + return (IX_ETH_ACC_MAC_UNINITIALIZED); + } + + if (macAddr == NULL) + { + return IX_ETH_ACC_FAIL; + } + + + for(i=0;i<IX_IEEE803_MAC_ADDRESS_SIZE;i++) + { + REG_READ(ixEthAccMacBase[portId], + IX_ETH_ACC_MAC_UNI_ADDR_1 + i*sizeof(UINT32), + macAddr->macAddress[i]); + } + return IX_ETH_ACC_SUCCESS; +} + +PRIVATE IxEthAccStatus +ixEthAccPortMulticastMacAddressGet (IxEthAccPortId portId, + IxEthAccMacAddr *macAddr) +{ + /*Return the current value of the Multicast MAC from h/w + for the specified port*/ + UINT32 i; + + for(i=0;i<IX_IEEE803_MAC_ADDRESS_SIZE;i++) + { + + REG_READ(ixEthAccMacBase[portId], + IX_ETH_ACC_MAC_ADDR_1 + i*sizeof(UINT32), + macAddr->macAddress[i]); + } + + return IX_ETH_ACC_SUCCESS; +} + +PRIVATE IxEthAccStatus +ixEthAccPortMulticastMacFilterGet (IxEthAccPortId portId, + IxEthAccMacAddr *macAddr) +{ + /*Return the current value of the Multicast MAC from h/w + for the specified port*/ + UINT32 i; + + for(i=0;i<IX_IEEE803_MAC_ADDRESS_SIZE;i++) + { + + REG_READ(ixEthAccMacBase[portId], + IX_ETH_ACC_MAC_ADDR_MASK_1 + i*sizeof(UINT32), + macAddr->macAddress[i]); + } + return IX_ETH_ACC_SUCCESS; +} + +IxEthAccStatus +ixEthAccPortMulticastAddressJoinPriv (IxEthAccPortId portId, + IxEthAccMacAddr *macAddr) +{ + UINT32 i; + IxEthAccMacAddr broadcastAddr = {{0xff,0xff,0xff,0xff,0xff,0xff}}; + + /*Check that the port parameter is valid*/ + IX_ETH_ACC_VALIDATE_PORT_ID(portId); + + if (IX_ETH_ACC_SUCCESS != ixEthAccSingleEthNpeCheck(portId)) + { + IX_ETH_ACC_WARNING_LOG("EthAcc: Unavailable Eth %d: Cannot join Multicast Mac Address.\n",(INT32)portId,0,0,0,0,0); + return IX_ETH_ACC_SUCCESS ; + } + + if (!IX_ETH_IS_PORT_INITIALIZED(portId)) + { + return (IX_ETH_ACC_PORT_UNINITIALIZED); + } + + /*Check that the mac address is valid*/ + if(macAddr == NULL) + { + return IX_ETH_ACC_FAIL; + } + + /* Check that this is a multicast address */ + if (!(macAddr->macAddress[0] & IX_ETH_ACC_ETH_MAC_BCAST_MCAST_BIT)) + { + return IX_ETH_ACC_FAIL; + } + + /* We don't add the Broadcast address */ + if(ixEthAccMacEqual(&broadcastAddr, macAddr)) + { + return IX_ETH_ACC_FAIL; + } + + for (i = 0; + i<ixEthAccMacState[portId].mcastAddrIndex; + i++) + { + /*Check if the current entry already match an existing matches*/ + if(ixEthAccMacEqual(&ixEthAccMacState[portId].mcastAddrsTable[i], macAddr)) + { + /* Address found in the list and already configured, + * return a success status + */ + return IX_ETH_ACC_SUCCESS; + } + } + + /* check for availability at the end of the current table */ + if(ixEthAccMacState[portId].mcastAddrIndex >= IX_ETH_ACC_MAX_MULTICAST_ADDRESSES) + { + return IX_ETH_ACC_FAIL; + } + + /*First add the address to the multicast table for the + specified port*/ + i=ixEthAccMacState[portId].mcastAddrIndex; + + memcpy(&ixEthAccMacState[portId].mcastAddrsTable[i], + &macAddr->macAddress, + IX_IEEE803_MAC_ADDRESS_SIZE); + + /*Increment the index into the table, this must be done here + as MulticastAddressSet below needs to know about the latest + entry. + */ + ixEthAccMacState[portId].mcastAddrIndex++; + + /*Then calculate the new value to be written to the address and + address mask registers*/ + ixEthAccMulticastAddressSet(portId); + + return IX_ETH_ACC_SUCCESS; +} + + +IxEthAccStatus +ixEthAccPortMulticastAddressJoinAllPriv (IxEthAccPortId portId) +{ + IxEthAccMacAddr mcastMacAddr = {{0x1,0x0,0x0,0x0,0x0,0x0}}; + + /*Check that the port parameter is valid*/ + IX_ETH_ACC_VALIDATE_PORT_ID(portId); + + if (IX_ETH_ACC_SUCCESS != ixEthAccSingleEthNpeCheck(portId)) + { + IX_ETH_ACC_WARNING_LOG("EthAcc: Unavailable Eth %d: Cannot join all Multicast Address.\n",(INT32)portId,0,0,0,0,0); + return IX_ETH_ACC_SUCCESS ; + } + + if (!IX_ETH_IS_PORT_INITIALIZED(portId)) + { + return (IX_ETH_ACC_PORT_UNINITIALIZED); + } + + /* remove all entries from the database and + * insert a multicast entry + */ + memcpy(&ixEthAccMacState[portId].mcastAddrsTable[0], + &mcastMacAddr.macAddress, + IX_IEEE803_MAC_ADDRESS_SIZE); + + ixEthAccMacState[portId].mcastAddrIndex = 1; + ixEthAccMacState[portId].joinAll = TRUE; + + ixEthAccMulticastAddressSet(portId); + + return IX_ETH_ACC_SUCCESS; +} + +IxEthAccStatus +ixEthAccPortMulticastAddressLeavePriv (IxEthAccPortId portId, + IxEthAccMacAddr *macAddr) +{ + UINT32 i; + IxEthAccMacAddr mcastMacAddr = {{0x1,0x0,0x0,0x0,0x0,0x0}}; + + /*Check that the port parameter is valid*/ + IX_ETH_ACC_VALIDATE_PORT_ID(portId); + + if (IX_ETH_ACC_SUCCESS != ixEthAccSingleEthNpeCheck(portId)) + { + IX_ETH_ACC_WARNING_LOG("EthAcc: Unavailable Eth %d: Cannot leave Multicast Address.\n",(INT32)portId,0,0,0,0,0); + return IX_ETH_ACC_SUCCESS ; + } + + if (!IX_ETH_IS_PORT_INITIALIZED(portId)) + { + return (IX_ETH_ACC_PORT_UNINITIALIZED); + } + + /*Check that the mac address is valid*/ + if(macAddr == NULL) + { + return IX_ETH_ACC_FAIL; + } + /* Remove this mac address from the mask for the specified port + * we copy down all entries above the blanked entry, and + * decrement the index + */ + i=0; + + while(i<ixEthAccMacState[portId].mcastAddrIndex) + { + /*Check if the current entry matches*/ + if(ixEthAccMacEqual(&ixEthAccMacState[portId].mcastAddrsTable[i], + macAddr)) + { + if(ixEthAccMacEqual(macAddr, &mcastMacAddr)) + { + ixEthAccMacState[portId].joinAll = FALSE; + } + /*Decrement the index into the multicast address table + for the current port*/ + ixEthAccMacState[portId].mcastAddrIndex--; + + /*Copy down all entries above the current entry*/ + while(i<ixEthAccMacState[portId].mcastAddrIndex) + { + memcpy(&ixEthAccMacState[portId].mcastAddrsTable[i], + &ixEthAccMacState[portId].mcastAddrsTable[i+1], + IX_IEEE803_MAC_ADDRESS_SIZE); + i++; + } + /*recalculate the mask and write it to the MAC*/ + ixEthAccMulticastAddressSet(portId); + + return IX_ETH_ACC_SUCCESS; + } + /* search the next entry */ + i++; + } + /* no matching entry found */ + return IX_ETH_ACC_NO_SUCH_ADDR; +} + +IxEthAccStatus +ixEthAccPortMulticastAddressLeaveAllPriv (IxEthAccPortId portId) +{ + /*Check that the port parameter is valid*/ + IX_ETH_ACC_VALIDATE_PORT_ID(portId); + + if (IX_ETH_ACC_SUCCESS != ixEthAccSingleEthNpeCheck(portId)) + { + IX_ETH_ACC_WARNING_LOG("EthAcc: Unavailable Eth %d: Cannot leave all Multicast Address.\n",(INT32)portId,0,0,0,0,0); + return IX_ETH_ACC_SUCCESS ; + } + + if (!IX_ETH_IS_PORT_INITIALIZED(portId)) + { + return (IX_ETH_ACC_PORT_UNINITIALIZED); + } + + ixEthAccMacState[portId].mcastAddrIndex = 0; + ixEthAccMacState[portId].joinAll = FALSE; + + ixEthAccMulticastAddressSet(portId); + + return IX_ETH_ACC_SUCCESS; +} + + +IxEthAccStatus +ixEthAccPortUnicastAddressShowPriv (IxEthAccPortId portId) +{ + IxEthAccMacAddr macAddr; + + IX_ETH_ACC_VALIDATE_PORT_ID(portId); + + if (IX_ETH_ACC_SUCCESS != ixEthAccSingleEthNpeCheck(portId)) + { + IX_ETH_ACC_WARNING_LOG("EthAcc: Unavailable Eth %d: Cannot show Unicast Address.\n",(INT32)portId,0,0,0,0,0); + return IX_ETH_ACC_SUCCESS ; + } + + if (!IX_ETH_IS_PORT_INITIALIZED(portId)) + { + return (IX_ETH_ACC_PORT_UNINITIALIZED); + } + + /*Get the MAC (UINICAST) address from hardware*/ + if(ixEthAccPortUnicastMacAddressGetPriv(portId, &macAddr) != IX_ETH_ACC_SUCCESS) + { + IX_ETH_ACC_WARNING_LOG("EthAcc: MAC address uninitialised port %u\n", + (INT32)portId,0,0,0,0,0); + return IX_ETH_ACC_MAC_UNINITIALIZED; + } + + /*print it out*/ + ixEthAccMacPrint(&macAddr); + printf("\n"); + return IX_ETH_ACC_SUCCESS; +} + + + +void +ixEthAccPortMulticastAddressShowPriv(IxEthAccPortId portId) +{ + IxEthAccMacAddr macAddr; + UINT32 i; + + if(!IX_ETH_ACC_IS_PORT_VALID(portId)) + { + return; + } + + if (IX_ETH_ACC_SUCCESS != ixEthAccSingleEthNpeCheck(portId)) + { + IX_ETH_ACC_WARNING_LOG("EthAcc: Unavailable Eth %d: Cannot show Multicast Address.\n",(INT32)portId,0,0,0,0,0); + return ; + } + + if (!IX_ETH_IS_PORT_INITIALIZED(portId)) + { + return; + } + + printf("Multicast MAC: "); + /*Get the MAC (MULTICAST) address from hardware*/ + ixEthAccPortMulticastMacAddressGet(portId, &macAddr); + /*print it out*/ + ixEthAccMacPrint(&macAddr); + /*Get the MAC (MULTICAST) filter from hardware*/ + ixEthAccPortMulticastMacFilterGet(portId, &macAddr); + /*print it out*/ + printf(" ( "); + ixEthAccMacPrint(&macAddr); + printf(" )\n"); + printf("Constituent Addresses:\n"); + for(i=0;i<ixEthAccMacState[portId].mcastAddrIndex;i++) + { + ixEthAccMacPrint(&ixEthAccMacState[portId].mcastAddrsTable[i]); + printf("\n"); + } + return; +} + +/*Set the duplex mode*/ +IxEthAccStatus +ixEthAccPortDuplexModeSetPriv (IxEthAccPortId portId, + IxEthAccDuplexMode mode) +{ + UINT32 txregval; + UINT32 rxregval; + + /*This is bit 1 of the transmit control reg, set to 1 for half + duplex, 0 for full duplex*/ + IX_ETH_ACC_VALIDATE_PORT_ID(portId); + + if (IX_ETH_ACC_SUCCESS != ixEthAccSingleEthNpeCheck(portId)) + { + IX_ETH_ACC_WARNING_LOG("EthAcc: Unavailable Eth %d: Cannot set Duplex Mode.\n",(INT32)portId,0,0,0,0,0); + return IX_ETH_ACC_SUCCESS ; + } + + if (!IX_ETH_IS_PORT_INITIALIZED(portId)) + { + return (IX_ETH_ACC_PORT_UNINITIALIZED); + } + + REG_READ(ixEthAccMacBase[portId], + IX_ETH_ACC_MAC_TX_CNTRL1, + txregval); + + REG_READ(ixEthAccMacBase[portId], + IX_ETH_ACC_MAC_RX_CNTRL1, + rxregval); + + if (mode == IX_ETH_ACC_FULL_DUPLEX) + { + /*Clear half duplex bit in TX*/ + REG_WRITE(ixEthAccMacBase[portId], + IX_ETH_ACC_MAC_TX_CNTRL1, + txregval & ~IX_ETH_ACC_TX_CNTRL1_DUPLEX); + + /*We must set the pause enable in the receive logic when in + full duplex mode*/ + REG_WRITE(ixEthAccMacBase[portId], + IX_ETH_ACC_MAC_RX_CNTRL1, + rxregval | IX_ETH_ACC_RX_CNTRL1_PAUSE_EN); + ixEthAccMacState[portId].fullDuplex = TRUE; + + } + else if (mode == IX_ETH_ACC_HALF_DUPLEX) + { + /*Set half duplex bit in TX*/ + REG_WRITE(ixEthAccMacBase[portId], + IX_ETH_ACC_MAC_TX_CNTRL1, + txregval | IX_ETH_ACC_TX_CNTRL1_DUPLEX); + + /*We must clear pause enable in the receive logic when in + half duplex mode*/ + REG_WRITE(ixEthAccMacBase[portId], + IX_ETH_ACC_MAC_RX_CNTRL1, + rxregval & ~IX_ETH_ACC_RX_CNTRL1_PAUSE_EN); + + ixEthAccMacState[portId].fullDuplex = FALSE; + } + else + { + return IX_ETH_ACC_FAIL; + } + + + return IX_ETH_ACC_SUCCESS; + +} + + + +IxEthAccStatus +ixEthAccPortDuplexModeGetPriv (IxEthAccPortId portId, + IxEthAccDuplexMode *mode) +{ + /*Return the duplex mode for the specified port*/ + UINT32 regval; + + /*This is bit 1 of the transmit control reg, set to 1 for half + duplex, 0 for full duplex*/ + IX_ETH_ACC_VALIDATE_PORT_ID(portId); + + if (IX_ETH_ACC_SUCCESS != ixEthAccSingleEthNpeCheck(portId)) + { + IX_ETH_ACC_WARNING_LOG("EthAcc: Unavailable Eth %d: Cannot get Duplex Mode.\n",(INT32)portId,0,0,0,0,0); + /* return hald duplex */ + *mode = IX_ETH_ACC_HALF_DUPLEX ; + return IX_ETH_ACC_SUCCESS ; + } + + if (!IX_ETH_IS_PORT_INITIALIZED(portId)) + { + return (IX_ETH_ACC_PORT_UNINITIALIZED); + } + + if (mode == NULL) + { + return (IX_ETH_ACC_FAIL); + } + + REG_READ(ixEthAccMacBase[portId], + IX_ETH_ACC_MAC_TX_CNTRL1, + regval); + + if( regval & IX_ETH_ACC_TX_CNTRL1_DUPLEX) + { + *mode = IX_ETH_ACC_HALF_DUPLEX; + } + else + { + *mode = IX_ETH_ACC_FULL_DUPLEX; + } + + return IX_ETH_ACC_SUCCESS; +} + + + +IxEthAccStatus +ixEthAccPortTxFrameAppendPaddingEnablePriv (IxEthAccPortId portId) +{ + UINT32 regval; + /*Enable FCS computation by the MAC and appending to the + frame*/ + + IX_ETH_ACC_VALIDATE_PORT_ID(portId); + + if (IX_ETH_ACC_SUCCESS != ixEthAccSingleEthNpeCheck(portId)) + { + IX_ETH_ACC_WARNING_LOG("EthAcc: Unavailable Eth %d: Cannot enable Tx Frame Append Padding.\n",(INT32)portId,0,0,0,0,0); + return IX_ETH_ACC_SUCCESS ; + } + + if (!IX_ETH_IS_PORT_INITIALIZED(portId)) + { + return (IX_ETH_ACC_PORT_UNINITIALIZED); + } + + REG_READ(ixEthAccMacBase[portId], + IX_ETH_ACC_MAC_TX_CNTRL1, + regval); + + REG_WRITE(ixEthAccMacBase[portId], + IX_ETH_ACC_MAC_TX_CNTRL1, + regval | + IX_ETH_ACC_TX_CNTRL1_PAD_EN); + + ixEthAccMacState[portId].txPADAppend = TRUE; + return IX_ETH_ACC_SUCCESS; +} + +IxEthAccStatus +ixEthAccPortTxFrameAppendPaddingDisablePriv (IxEthAccPortId portId) +{ + UINT32 regval; + + /*disable FCS computation and appending*/ + /*Set bit 4 of Tx control register one to zero*/ + IX_ETH_ACC_VALIDATE_PORT_ID(portId); + + if (IX_ETH_ACC_SUCCESS != ixEthAccSingleEthNpeCheck(portId)) + { + IX_ETH_ACC_WARNING_LOG("EthAcc: Unavailable Eth %d: Cannot disble Tx Frame Append Padding.\n",(INT32)portId,0,0,0,0,0); + return IX_ETH_ACC_SUCCESS ; + } + + if (!IX_ETH_IS_PORT_INITIALIZED(portId)) + { + return (IX_ETH_ACC_PORT_UNINITIALIZED); + } + + REG_READ(ixEthAccMacBase[portId], + IX_ETH_ACC_MAC_TX_CNTRL1, + regval); + + REG_WRITE(ixEthAccMacBase[portId], + IX_ETH_ACC_MAC_TX_CNTRL1, + regval & ~IX_ETH_ACC_TX_CNTRL1_PAD_EN); + + ixEthAccMacState[portId].txPADAppend = FALSE; + return IX_ETH_ACC_SUCCESS; +} + +IxEthAccStatus +ixEthAccPortTxFrameAppendFCSEnablePriv (IxEthAccPortId portId) +{ + UINT32 regval; + + /*Enable FCS computation by the MAC and appending to the + frame*/ + + IX_ETH_ACC_VALIDATE_PORT_ID(portId); + + if (IX_ETH_ACC_SUCCESS != ixEthAccSingleEthNpeCheck(portId)) + { + IX_ETH_ACC_WARNING_LOG("EthAcc: Unavailable Eth %d: Cannot enable Tx Frame Append FCS.\n",(INT32)portId,0,0,0,0,0); + return IX_ETH_ACC_SUCCESS ; + } + + if (!IX_ETH_IS_PORT_INITIALIZED(portId)) + { + return (IX_ETH_ACC_PORT_UNINITIALIZED); + } + + REG_READ(ixEthAccMacBase[portId], + IX_ETH_ACC_MAC_TX_CNTRL1, + regval); + + REG_WRITE(ixEthAccMacBase[portId], + IX_ETH_ACC_MAC_TX_CNTRL1, + regval | IX_ETH_ACC_TX_CNTRL1_FCS_EN); + + ixEthAccMacState[portId].txFCSAppend = TRUE; + return IX_ETH_ACC_SUCCESS; +} + +IxEthAccStatus +ixEthAccPortTxFrameAppendFCSDisablePriv (IxEthAccPortId portId) +{ + UINT32 regval; + + /*disable FCS computation and appending*/ + /*Set bit 4 of Tx control register one to zero*/ + IX_ETH_ACC_VALIDATE_PORT_ID(portId); + + if (IX_ETH_ACC_SUCCESS != ixEthAccSingleEthNpeCheck(portId)) + { + IX_ETH_ACC_WARNING_LOG("EthAcc: Unavailable Eth %d: Cannot disable Tx Frame Append FCS.\n",(INT32)portId,0,0,0,0,0); + return IX_ETH_ACC_SUCCESS ; + } + + if (!IX_ETH_IS_PORT_INITIALIZED(portId)) + { + return (IX_ETH_ACC_PORT_UNINITIALIZED); + } + + REG_READ(ixEthAccMacBase[portId], + IX_ETH_ACC_MAC_TX_CNTRL1, + regval); + + REG_WRITE(ixEthAccMacBase[portId], + IX_ETH_ACC_MAC_TX_CNTRL1, + regval & ~IX_ETH_ACC_TX_CNTRL1_FCS_EN); + + ixEthAccMacState[portId].txFCSAppend = FALSE; + return IX_ETH_ACC_SUCCESS; +} + +IxEthAccStatus +ixEthAccPortRxFrameAppendFCSEnablePriv (IxEthAccPortId portId) +{ + /*Set bit 2 of Rx control 1*/ + UINT32 regval; + + IX_ETH_ACC_VALIDATE_PORT_ID(portId); + + if (IX_ETH_ACC_SUCCESS != ixEthAccSingleEthNpeCheck(portId)) + { + IX_ETH_ACC_WARNING_LOG("EthAcc: Unavailable Eth %d: Cannot enable Rx Frame Append FCS.\n",(INT32)portId,0,0,0,0,0); + return IX_ETH_ACC_SUCCESS ; + } + + if (!IX_ETH_IS_PORT_INITIALIZED(portId)) + { + return (IX_ETH_ACC_PORT_UNINITIALIZED); + } + + REG_READ(ixEthAccMacBase[portId], + IX_ETH_ACC_MAC_RX_CNTRL1, + regval); + + REG_WRITE(ixEthAccMacBase[portId], + IX_ETH_ACC_MAC_RX_CNTRL1, + regval | IX_ETH_ACC_RX_CNTRL1_CRC_EN); + + ixEthAccMacState[portId].rxFCSAppend = TRUE; + return IX_ETH_ACC_SUCCESS; +} + +IxEthAccStatus +ixEthAccPortRxFrameAppendFCSDisablePriv (IxEthAccPortId portId) +{ + UINT32 regval; + + /*Clear bit 2 of Rx control 1*/ + IX_ETH_ACC_VALIDATE_PORT_ID(portId); + + if (IX_ETH_ACC_SUCCESS != ixEthAccSingleEthNpeCheck(portId)) + { + IX_ETH_ACC_WARNING_LOG("EthAcc: Unavailable Eth %d: Cannot disable Rx Frame Append FCS.\n",(INT32)portId,0,0,0,0,0); + return IX_ETH_ACC_SUCCESS ; + } + + if (!IX_ETH_IS_PORT_INITIALIZED(portId)) + { + return (IX_ETH_ACC_PORT_UNINITIALIZED); + } + + REG_READ(ixEthAccMacBase[portId], + IX_ETH_ACC_MAC_RX_CNTRL1, + regval); + + REG_WRITE(ixEthAccMacBase[portId], + IX_ETH_ACC_MAC_RX_CNTRL1, + regval & ~IX_ETH_ACC_RX_CNTRL1_CRC_EN); + + ixEthAccMacState[portId].rxFCSAppend = FALSE; + return IX_ETH_ACC_SUCCESS; +} + + + +PRIVATE void +ixEthAccMacNpeStatsMessageCallback (IxNpeMhNpeId npeId, + IxNpeMhMessage msg) +{ + IxEthAccPortId portId = IX_ETH_ACC_NPE_TO_PORT_ID(npeId); + +#ifndef NDEBUG + /* Prudent to at least check the port is within range */ + if (portId >= IX_ETH_ACC_NUMBER_OF_PORTS) + { + IX_ETH_ACC_FATAL_LOG( + "IXETHACC:ixEthAccMacNpeStatsMessageCallback: Illegal port: %u\n", + (UINT32)portId, 0, 0, 0, 0, 0); + return; + } +#endif + + /*Unblock Stats Get call*/ + ixOsalMutexUnlock(&ixEthAccMacState[portId].ackMIBStatsLock); + +} + +PRIVATE void +ixEthAccMibIIStatsEndianConvert (IxEthEthObjStats *retStats) +{ + /* endianness conversion */ + + /* Rx stats */ + retStats->dot3StatsAlignmentErrors = + IX_OSAL_SWAP_BE_SHARED_LONG(retStats->dot3StatsAlignmentErrors); + retStats->dot3StatsFCSErrors = + IX_OSAL_SWAP_BE_SHARED_LONG(retStats->dot3StatsFCSErrors); + retStats->dot3StatsInternalMacReceiveErrors = + IX_OSAL_SWAP_BE_SHARED_LONG(retStats->dot3StatsInternalMacReceiveErrors); + retStats->RxOverrunDiscards = + IX_OSAL_SWAP_BE_SHARED_LONG(retStats->RxOverrunDiscards); + retStats->RxLearnedEntryDiscards = + IX_OSAL_SWAP_BE_SHARED_LONG(retStats->RxLearnedEntryDiscards); + retStats->RxLargeFramesDiscards = + IX_OSAL_SWAP_BE_SHARED_LONG(retStats->RxLargeFramesDiscards); + retStats->RxSTPBlockedDiscards = + IX_OSAL_SWAP_BE_SHARED_LONG(retStats->RxSTPBlockedDiscards); + retStats->RxVLANTypeFilterDiscards = + IX_OSAL_SWAP_BE_SHARED_LONG(retStats->RxVLANTypeFilterDiscards); + retStats->RxVLANIdFilterDiscards = + IX_OSAL_SWAP_BE_SHARED_LONG(retStats->RxVLANIdFilterDiscards); + retStats->RxInvalidSourceDiscards = + IX_OSAL_SWAP_BE_SHARED_LONG(retStats->RxInvalidSourceDiscards); + retStats->RxBlackListDiscards = + IX_OSAL_SWAP_BE_SHARED_LONG(retStats->RxBlackListDiscards); + retStats->RxWhiteListDiscards = + IX_OSAL_SWAP_BE_SHARED_LONG(retStats->RxWhiteListDiscards); + retStats->RxUnderflowEntryDiscards = + IX_OSAL_SWAP_BE_SHARED_LONG(retStats->RxUnderflowEntryDiscards); + + /* Tx stats */ + retStats->dot3StatsSingleCollisionFrames = + IX_OSAL_SWAP_BE_SHARED_LONG(retStats->dot3StatsSingleCollisionFrames); + retStats->dot3StatsMultipleCollisionFrames = + IX_OSAL_SWAP_BE_SHARED_LONG(retStats->dot3StatsMultipleCollisionFrames); + retStats->dot3StatsDeferredTransmissions = + IX_OSAL_SWAP_BE_SHARED_LONG(retStats->dot3StatsDeferredTransmissions); + retStats->dot3StatsLateCollisions = + IX_OSAL_SWAP_BE_SHARED_LONG(retStats->dot3StatsLateCollisions); + retStats->dot3StatsExcessiveCollsions = + IX_OSAL_SWAP_BE_SHARED_LONG(retStats->dot3StatsExcessiveCollsions); + retStats->dot3StatsInternalMacTransmitErrors = + IX_OSAL_SWAP_BE_SHARED_LONG(retStats->dot3StatsInternalMacTransmitErrors); + retStats->dot3StatsCarrierSenseErrors = + IX_OSAL_SWAP_BE_SHARED_LONG(retStats->dot3StatsCarrierSenseErrors); + retStats->TxLargeFrameDiscards = + IX_OSAL_SWAP_BE_SHARED_LONG(retStats->TxLargeFrameDiscards); + retStats->TxVLANIdFilterDiscards = + IX_OSAL_SWAP_BE_SHARED_LONG(retStats->TxVLANIdFilterDiscards); +} + +IxEthAccStatus +ixEthAccMibIIStatsGet (IxEthAccPortId portId, + IxEthEthObjStats *retStats ) +{ + IxNpeMhMessage message; + + if (!IX_ETH_ACC_IS_SERVICE_INITIALIZED()) + { + printf("EthAcc: ixEthAccMibIIStatsGet (Mac) EthAcc service is not initialized\n"); + return (IX_ETH_ACC_FAIL); + } + + IX_ETH_ACC_VALIDATE_PORT_ID(portId); + + if (retStats == NULL) + { + printf("EthAcc: ixEthAccMibIIStatsGet (Mac) NULL argument\n"); + return (IX_ETH_ACC_FAIL); + } + + if (IX_ETH_ACC_SUCCESS != ixEthAccSingleEthNpeCheck(portId)) + { + printf("EthAcc: ixEthAccMibIIStatsGet (Mac) NPE for port %d is not available\n", portId); + + IX_ETH_ACC_WARNING_LOG("EthAcc: Unavailable Eth %d: Cannot get MIB II Stats.\n",(INT32)portId,0,0,0,0,0); + + /* Return all zero stats */ + IX_ETH_ACC_MEMSET(retStats, 0, sizeof(IxEthEthObjStats)); + + return IX_ETH_ACC_SUCCESS ; + } + + if (!IX_ETH_IS_PORT_INITIALIZED(portId)) + { + printf("EthAcc: ixEthAccMibIIStatsGet (Mac) port %d is not initialized\n", portId); + return (IX_ETH_ACC_PORT_UNINITIALIZED); + } + + IX_OSAL_CACHE_INVALIDATE(retStats, sizeof(IxEthEthObjStats)); + + message.data[0] = IX_ETHNPE_GETSTATS << IX_ETH_ACC_MAC_MSGID_SHL; + message.data[1] = (UINT32) IX_OSAL_MMU_VIRT_TO_PHYS(retStats); + + /* Permit only one task to request MIB statistics Get operation + at a time */ + ixOsalMutexLock(&ixEthAccMacState[portId].MIBStatsGetAccessLock, IX_OSAL_WAIT_FOREVER); + + if(ixNpeMhMessageWithResponseSend(IX_ETH_ACC_PORT_TO_NPE_ID(portId), + message, + IX_ETHNPE_GETSTATS, + ixEthAccMacNpeStatsMessageCallback, + IX_NPEMH_SEND_RETRIES_DEFAULT) + != IX_SUCCESS) + { + ixOsalMutexUnlock(&ixEthAccMacState[portId].MIBStatsGetAccessLock); + + printf("EthAcc: (Mac) StatsGet failed to send NPE message\n"); + + return IX_ETH_ACC_FAIL; + } + + /* Wait for callback invocation indicating response to + this request - we need this mutex in order to ensure + that the return from this function is synchronous */ + ixOsalMutexLock(&ixEthAccMacState[portId].ackMIBStatsLock, IX_ETH_ACC_MIB_STATS_DELAY_MSECS); + + /* Permit other tasks to perform MIB statistics Get operation */ + ixOsalMutexUnlock(&ixEthAccMacState[portId].MIBStatsGetAccessLock); + + ixEthAccMibIIStatsEndianConvert (retStats); + + return IX_ETH_ACC_SUCCESS; +} + + +PRIVATE void +ixEthAccMacNpeStatsResetMessageCallback (IxNpeMhNpeId npeId, + IxNpeMhMessage msg) +{ + IxEthAccPortId portId = IX_ETH_ACC_NPE_TO_PORT_ID(npeId); + +#ifndef NDEBUG + /* Prudent to at least check the port is within range */ + if (portId >= IX_ETH_ACC_NUMBER_OF_PORTS) + { + IX_ETH_ACC_FATAL_LOG( + "IXETHACC:ixEthAccMacNpeStatsResetMessageCallback: Illegal port: %u\n", + (UINT32)portId, 0, 0, 0, 0, 0); + return; + } +#endif + + /*Unblock Stats Get & reset call*/ + ixOsalMutexUnlock(&ixEthAccMacState[portId].ackMIBStatsResetLock); + +} + + + +IxEthAccStatus +ixEthAccMibIIStatsGetClear (IxEthAccPortId portId, + IxEthEthObjStats *retStats) +{ + IxNpeMhMessage message; + + if (!IX_ETH_ACC_IS_SERVICE_INITIALIZED()) + { + printf("EthAcc: ixEthAccMibIIStatsGetClear (Mac) EthAcc service is not initialized\n"); + return (IX_ETH_ACC_FAIL); + } + + IX_ETH_ACC_VALIDATE_PORT_ID(portId); + + if (retStats == NULL) + { + printf("EthAcc: ixEthAccMibIIStatsGetClear (Mac) NULL argument\n"); + return (IX_ETH_ACC_FAIL); + } + + if (IX_ETH_ACC_SUCCESS != ixEthAccSingleEthNpeCheck(portId)) + { + printf("EthAcc: ixEthAccMibIIStatsGetClear (Mac) NPE for port %d is not available\n", portId); + + IX_ETH_ACC_WARNING_LOG("EthAcc: Unavailable Eth %d: Cannot get and clear MIB II Stats.\n", (INT32)portId, 0, 0, 0, 0, 0); + + /* Return all zero stats */ + IX_ETH_ACC_MEMSET(retStats, 0, sizeof(IxEthEthObjStats)); + + return IX_ETH_ACC_SUCCESS ; + } + + if (!IX_ETH_IS_PORT_INITIALIZED(portId)) + { + printf("EthAcc: ixEthAccMibIIStatsGetClear (Mac) port %d is not initialized\n", portId); + return (IX_ETH_ACC_PORT_UNINITIALIZED); + } + + IX_OSAL_CACHE_INVALIDATE(retStats, sizeof(IxEthEthObjStats)); + + message.data[0] = IX_ETHNPE_RESETSTATS << IX_ETH_ACC_MAC_MSGID_SHL; + message.data[1] = (UINT32) IX_OSAL_MMU_VIRT_TO_PHYS(retStats); + + /* Permit only one task to request MIB statistics Get-Reset operation at a time */ + ixOsalMutexLock(&ixEthAccMacState[portId].MIBStatsGetResetAccessLock, IX_OSAL_WAIT_FOREVER); + + if(ixNpeMhMessageWithResponseSend(IX_ETH_ACC_PORT_TO_NPE_ID(portId), + message, + IX_ETHNPE_RESETSTATS, + ixEthAccMacNpeStatsResetMessageCallback, + IX_NPEMH_SEND_RETRIES_DEFAULT) + != IX_SUCCESS) + { + ixOsalMutexUnlock(&ixEthAccMacState[portId].MIBStatsGetResetAccessLock); + + printf("EthAcc: (Mac) ixEthAccMibIIStatsGetClear failed to send NPE message\n"); + + return IX_ETH_ACC_FAIL; + } + + /* Wait for callback invocation indicating response to this request */ + ixOsalMutexLock(&ixEthAccMacState[portId].ackMIBStatsResetLock, IX_ETH_ACC_MIB_STATS_DELAY_MSECS); + + /* permit other tasks to get and reset MIB stats*/ + ixOsalMutexUnlock(&ixEthAccMacState[portId].MIBStatsGetResetAccessLock); + + ixEthAccMibIIStatsEndianConvert(retStats); + + return IX_ETH_ACC_SUCCESS; +} + +IxEthAccStatus +ixEthAccMibIIStatsClear (IxEthAccPortId portId) +{ + static IxEthEthObjStats retStats; + IxEthAccStatus status; + + if (!IX_ETH_ACC_IS_SERVICE_INITIALIZED()) + { + return (IX_ETH_ACC_FAIL); + } + + IX_ETH_ACC_VALIDATE_PORT_ID(portId); + + if (IX_ETH_ACC_SUCCESS != ixEthAccSingleEthNpeCheck(portId)) + { + IX_ETH_ACC_WARNING_LOG("EthAcc: Unavailable Eth %d: Cannot clear MIB II Stats.\n",(INT32)portId,0,0,0,0,0); + return IX_ETH_ACC_SUCCESS ; + } + + /* there is no reset operation without a corresponding Get */ + status = ixEthAccMibIIStatsGetClear(portId, &retStats); + + return status; +} + +/* Initialize the ethernet MAC settings */ +IxEthAccStatus +ixEthAccMacInit(IxEthAccPortId portId) +{ + IX_OSAL_MBUF_POOL* portDisablePool; + UINT8 *data; + + IX_ETH_ACC_VALIDATE_PORT_ID(portId); + + if (IX_ETH_ACC_SUCCESS != ixEthAccSingleEthNpeCheck(portId)) + { + IX_ETH_ACC_WARNING_LOG("EthAcc: Unavailable Eth %d: Cannot initialize Mac.\n",(INT32)portId,0,0,0,0,0); + return IX_ETH_ACC_SUCCESS ; + } + + if(ixEthAccMacState[portId].macInitialised == FALSE) + { + ixEthAccMacState[portId].fullDuplex = TRUE; + ixEthAccMacState[portId].rxFCSAppend = TRUE; + ixEthAccMacState[portId].txFCSAppend = TRUE; + ixEthAccMacState[portId].txPADAppend = TRUE; + ixEthAccMacState[portId].enabled = FALSE; + ixEthAccMacState[portId].promiscuous = TRUE; + ixEthAccMacState[portId].joinAll = FALSE; + ixEthAccMacState[portId].initDone = FALSE; + ixEthAccMacState[portId].macInitialised = TRUE; + + /* initialize MIB stats mutexes */ + ixOsalMutexInit(&ixEthAccMacState[portId].ackMIBStatsLock); + ixOsalMutexLock(&ixEthAccMacState[portId].ackMIBStatsLock, IX_OSAL_WAIT_FOREVER); + + ixOsalMutexInit(&ixEthAccMacState[portId].ackMIBStatsResetLock); + ixOsalMutexLock(&ixEthAccMacState[portId].ackMIBStatsResetLock, IX_OSAL_WAIT_FOREVER); + + ixOsalMutexInit(&ixEthAccMacState[portId].MIBStatsGetAccessLock); + + ixOsalMutexInit(&ixEthAccMacState[portId].MIBStatsGetResetAccessLock); + + ixOsalMutexInit(&ixEthAccMacState[portId].npeLoopbackMessageLock); + + ixEthAccMacState[portId].portDisableRxMbufPtr = NULL; + ixEthAccMacState[portId].portDisableTxMbufPtr = NULL; + + portDisablePool = IX_OSAL_MBUF_POOL_INIT(2, + IX_ETHACC_RX_MBUF_MIN_SIZE, + "portDisable Pool"); + + IX_OSAL_ENSURE(portDisablePool != NULL, "Failed to initialize PortDisable pool"); + + ixEthAccMacState[portId].portDisableRxMbufPtr = IX_OSAL_MBUF_POOL_GET(portDisablePool); + ixEthAccMacState[portId].portDisableTxMbufPtr = IX_OSAL_MBUF_POOL_GET(portDisablePool); + + IX_OSAL_ENSURE(ixEthAccMacState[portId].portDisableRxMbufPtr != NULL, + "Pool allocation failed"); + IX_OSAL_ENSURE(ixEthAccMacState[portId].portDisableTxMbufPtr != NULL, + "Pool allocation failed"); + /* fill the payload of the Rx mbuf used in portDisable */ + IX_OSAL_MBUF_MLEN(ixEthAccMacState[portId].portDisableRxMbufPtr) = IX_ETHACC_RX_MBUF_MIN_SIZE; + + memset(IX_OSAL_MBUF_MDATA(ixEthAccMacState[portId].portDisableRxMbufPtr), + 0xAA, + IX_ETHACC_RX_MBUF_MIN_SIZE); + + /* fill the payload of the Tx mbuf used in portDisable (64 bytes) */ + IX_OSAL_MBUF_MLEN(ixEthAccMacState[portId].portDisableTxMbufPtr) = 64; + IX_OSAL_MBUF_PKT_LEN(ixEthAccMacState[portId].portDisableTxMbufPtr) = 64; + + data = (UINT8 *) IX_OSAL_MBUF_MDATA(ixEthAccMacState[portId].portDisableTxMbufPtr); + memset(data, 0xBB, 64); + data[0] = 0x00; /* unicast destination MAC address */ + data[6] = 0x00; /* unicast source MAC address */ + data[12] = 0x08; /* typelength : IP frame */ + data[13] = 0x00; /* typelength : IP frame */ + + IX_OSAL_CACHE_FLUSH(data, 64); + } + + IX_OSAL_ASSERT (ixEthAccMacBase[portId] != 0); + + REG_WRITE(ixEthAccMacBase[portId], + IX_ETH_ACC_MAC_CORE_CNTRL, + IX_ETH_ACC_CORE_RESET); + + ixOsalSleep(IX_ETH_ACC_MAC_RESET_DELAY); + + REG_WRITE(ixEthAccMacBase[portId], + IX_ETH_ACC_MAC_CORE_CNTRL, + IX_ETH_ACC_CORE_MDC_EN); + + REG_WRITE(ixEthAccMacBase[portId], + IX_ETH_ACC_MAC_INT_CLK_THRESH, + IX_ETH_ACC_MAC_INT_CLK_THRESH_DEFAULT); + + ixEthAccMacStateUpdate(portId); + + return IX_ETH_ACC_SUCCESS; +} + +/* PRIVATE Functions*/ + +PRIVATE void +ixEthAccMacStateUpdate(IxEthAccPortId portId) +{ + UINT32 regval; + + if ( ixEthAccMacState[portId].enabled == FALSE ) + { + /* Just disable both the transmitter and reciver in the MAC. */ + REG_READ(ixEthAccMacBase[portId], + IX_ETH_ACC_MAC_RX_CNTRL1, + regval); + REG_WRITE(ixEthAccMacBase[portId], + IX_ETH_ACC_MAC_RX_CNTRL1, + regval & ~IX_ETH_ACC_RX_CNTRL1_RX_EN); + + REG_READ(ixEthAccMacBase[portId], + IX_ETH_ACC_MAC_TX_CNTRL1, + regval); + REG_WRITE(ixEthAccMacBase[portId], + IX_ETH_ACC_MAC_TX_CNTRL1, + regval & ~IX_ETH_ACC_TX_CNTRL1_TX_EN); + } + + if(ixEthAccMacState[portId].fullDuplex) + { + ixEthAccPortDuplexModeSetPriv (portId, IX_ETH_ACC_FULL_DUPLEX); + } + else + { + ixEthAccPortDuplexModeSetPriv (portId, IX_ETH_ACC_HALF_DUPLEX); + } + + if(ixEthAccMacState[portId].rxFCSAppend) + { + ixEthAccPortRxFrameAppendFCSEnablePriv (portId); + } + else + { + ixEthAccPortRxFrameAppendFCSDisablePriv (portId); + } + + if(ixEthAccMacState[portId].txFCSAppend) + { + ixEthAccPortTxFrameAppendFCSEnablePriv (portId); + } + else + { + ixEthAccPortTxFrameAppendFCSDisablePriv (portId); + } + + if(ixEthAccMacState[portId].txPADAppend) + { + ixEthAccPortTxFrameAppendPaddingEnablePriv (portId); + } + else + { + ixEthAccPortTxFrameAppendPaddingDisablePriv (portId); + } + + if(ixEthAccMacState[portId].promiscuous) + { + ixEthAccPortPromiscuousModeSetPriv(portId); + } + else + { + ixEthAccPortPromiscuousModeClearPriv(portId); + } + + if ( ixEthAccMacState[portId].enabled == TRUE ) + { + /* Enable both the transmitter and reciver in the MAC. */ + REG_READ(ixEthAccMacBase[portId], + IX_ETH_ACC_MAC_RX_CNTRL1, + regval); + REG_WRITE(ixEthAccMacBase[portId], + IX_ETH_ACC_MAC_RX_CNTRL1, + regval | IX_ETH_ACC_RX_CNTRL1_RX_EN); + + REG_READ(ixEthAccMacBase[portId], + IX_ETH_ACC_MAC_TX_CNTRL1, + regval); + REG_WRITE(ixEthAccMacBase[portId], + IX_ETH_ACC_MAC_TX_CNTRL1, + regval | IX_ETH_ACC_TX_CNTRL1_TX_EN); + } +} + + +PRIVATE BOOL +ixEthAccMacEqual(IxEthAccMacAddr *macAddr1, + IxEthAccMacAddr *macAddr2) +{ + UINT32 i; + for(i=0;i<IX_IEEE803_MAC_ADDRESS_SIZE; i++) + { + if(macAddr1->macAddress[i] != macAddr2->macAddress[i]) + { + return FALSE; + } + } + return TRUE; +} + +PRIVATE void +ixEthAccMacPrint(IxEthAccMacAddr *m) +{ + printf("%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x", + m->macAddress[0], m->macAddress[1], + m->macAddress[2], m->macAddress[3], + m->macAddress[4], m->macAddress[5]); +} + +/* Set the multicast address and address mask registers + * + * A bit in the address mask register must be set if + * all multicast addresses always have that bit set, or if + * all multicast addresses always have that bit cleared. + * + * A bit in the address register must be set if all multicast + * addresses have that bit set, otherwise, it should be cleared + */ + +PRIVATE void +ixEthAccMulticastAddressSet(IxEthAccPortId portId) +{ + UINT32 i; + UINT32 j; + IxEthAccMacAddr addressMask; + IxEthAccMacAddr address; + IxEthAccMacAddr alwaysClearBits; + IxEthAccMacAddr alwaysSetBits; + + /* calculate alwaysClearBits and alwaysSetBits: + * alwaysClearBits is calculated by ORing all + * multicast addresses, those bits that are always + * clear are clear in the result + * + * alwaysSetBits is calculated by ANDing all + * multicast addresses, those bits that are always set + * are set in the result + */ + + if (ixEthAccMacState[portId].promiscuous == TRUE) + { + /* Promiscuous Mode is set, and filtering + * allow all packets, and enable the mcast and + * bcast detection. + */ + memset(&addressMask.macAddress, + 0, + IX_IEEE803_MAC_ADDRESS_SIZE); + memset(&address.macAddress, + 0, + IX_IEEE803_MAC_ADDRESS_SIZE); + } + else + { + if(ixEthAccMacState[portId].joinAll == TRUE) + { + /* Join all is set. The mask and address are + * the multicast settings. + */ + IxEthAccMacAddr macAddr = {{0x1,0x0,0x0,0x0,0x0,0x0}}; + + memcpy(addressMask.macAddress, + macAddr.macAddress, + IX_IEEE803_MAC_ADDRESS_SIZE); + memcpy(address.macAddress, + macAddr.macAddress, + IX_IEEE803_MAC_ADDRESS_SIZE); + } + else if(ixEthAccMacState[portId].mcastAddrIndex == 0) + { + /* No entry in the filtering database, + * Promiscuous Mode is cleared, Broadcast filtering + * is configured. + */ + memset(addressMask.macAddress, + IX_ETH_ACC_MAC_ALL_BITS_SET, + IX_IEEE803_MAC_ADDRESS_SIZE); + memset(address.macAddress, + IX_ETH_ACC_MAC_ALL_BITS_SET, + IX_IEEE803_MAC_ADDRESS_SIZE); + } + else + { + /* build a mask and an address which mix all entreis + * from the list of multicast addresses + */ + memset(alwaysClearBits.macAddress, + 0, + IX_IEEE803_MAC_ADDRESS_SIZE); + memset(alwaysSetBits.macAddress, + IX_ETH_ACC_MAC_ALL_BITS_SET, + IX_IEEE803_MAC_ADDRESS_SIZE); + + for(i=0;i<ixEthAccMacState[portId].mcastAddrIndex;i++) + { + for(j=0;j<IX_IEEE803_MAC_ADDRESS_SIZE;j++) + { + alwaysClearBits.macAddress[j] |= + ixEthAccMacState[portId].mcastAddrsTable[i].macAddress[j]; + alwaysSetBits.macAddress[j] &= + ixEthAccMacState[portId].mcastAddrsTable[i].macAddress[j]; + } + } + + for(i=0;i<IX_IEEE803_MAC_ADDRESS_SIZE;i++) + { + addressMask.macAddress[i] = alwaysSetBits.macAddress[i] + | ~alwaysClearBits.macAddress[i]; + address.macAddress[i] = alwaysSetBits.macAddress[i]; + } + } + } + + /*write the new addr filtering to h/w*/ + for(i=0;i<IX_IEEE803_MAC_ADDRESS_SIZE;i++) + { + REG_WRITE(ixEthAccMacBase[portId], + IX_ETH_ACC_MAC_ADDR_MASK_1+i*sizeof(UINT32), + addressMask.macAddress[i]); + REG_WRITE(ixEthAccMacBase[portId], + IX_ETH_ACC_MAC_ADDR_1+i*sizeof(UINT32), + address.macAddress[i]); + } +} |
