summaryrefslogtreecommitdiff
path: root/drivers/net/npe/IxEthAccDataPlane.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/npe/IxEthAccDataPlane.c')
-rw-r--r--drivers/net/npe/IxEthAccDataPlane.c2459
1 files changed, 0 insertions, 2459 deletions
diff --git a/drivers/net/npe/IxEthAccDataPlane.c b/drivers/net/npe/IxEthAccDataPlane.c
deleted file mode 100644
index c0b82d9..0000000
--- a/drivers/net/npe/IxEthAccDataPlane.c
+++ /dev/null
@@ -1,2459 +0,0 @@
-/**
- * @file IxEthDataPlane.c
- *
- * @author Intel Corporation
- * @date 12-Feb-2002
- *
- * @brief This file contains the implementation of the IXPxxx
- * Ethernet Access Data plane component
- *
- * Design Notes:
- *
- * @par
- * IXP400 SW Release version 2.0
- *
- * -- Copyright Notice --
- *
- * @par
- * Copyright 2001-2005, Intel Corporation.
- * All rights reserved.
- *
- * @par
- * SPDX-License-Identifier: BSD-3-Clause
- * @par
- * -- End of Copyright Notice --
- */
-
-#include "IxNpeMh.h"
-#include "IxEthAcc.h"
-#include "IxEthDB.h"
-#include "IxOsal.h"
-#include "IxEthDBPortDefs.h"
-#include "IxFeatureCtrl.h"
-#include "IxEthAcc_p.h"
-#include "IxEthAccQueueAssign_p.h"
-
-extern PUBLIC IxEthAccMacState ixEthAccMacState[];
-extern PUBLIC UINT32 ixEthAccNewSrcMask;
-
-/**
- * private functions prototype
- */
-PRIVATE IX_OSAL_MBUF *
-ixEthAccEntryFromQConvert(UINT32 qEntry, UINT32 mask);
-
-PRIVATE UINT32
-ixEthAccMbufRxQPrepare(IX_OSAL_MBUF *mbuf);
-
-PRIVATE UINT32
-ixEthAccMbufTxQPrepare(IX_OSAL_MBUF *mbuf);
-
-PRIVATE IxEthAccStatus
-ixEthAccTxSwQHighestPriorityGet(IxEthAccPortId portId,
- IxEthAccTxPriority *priorityPtr);
-
-PRIVATE IxEthAccStatus
-ixEthAccTxFromSwQ(IxEthAccPortId portId,
- IxEthAccTxPriority priority);
-
-PRIVATE IxEthAccStatus
-ixEthAccRxFreeFromSwQ(IxEthAccPortId portId);
-
-PRIVATE void
-ixEthAccMbufFromTxQ(IX_OSAL_MBUF *mbuf);
-
-PRIVATE void
-ixEthAccMbufFromRxQ(IX_OSAL_MBUF *mbuf);
-
-PRIVATE IX_STATUS
-ixEthAccQmgrLockTxWrite(IxEthAccPortId portId,
- UINT32 qBuffer);
-
-PRIVATE IX_STATUS
-ixEthAccQmgrLockRxWrite(IxEthAccPortId portId,
- UINT32 qBuffer);
-
-PRIVATE IX_STATUS
-ixEthAccQmgrTxWrite(IxEthAccPortId portId,
- UINT32 qBuffer,
- UINT32 priority);
-
-/**
- * @addtogroup IxEthAccPri
- *@{
- */
-
-/* increment a counter only when stats are enabled */
-#define TX_STATS_INC(port,field) \
- IX_ETH_ACC_STATS_INC(ixEthAccPortData[port].ixEthAccTxData.stats.field)
-#define RX_STATS_INC(port,field) \
- IX_ETH_ACC_STATS_INC(ixEthAccPortData[port].ixEthAccRxData.stats.field)
-
-/* always increment the counter (mainly used for unexpected errors) */
-#define TX_INC(port,field) \
- ixEthAccPortData[port].ixEthAccTxData.stats.field++
-#define RX_INC(port,field) \
- ixEthAccPortData[port].ixEthAccRxData.stats.field++
-
-PRIVATE IxEthAccDataPlaneStats ixEthAccDataStats;
-
-extern IxEthAccPortDataInfo ixEthAccPortData[];
-extern IxEthAccInfo ixEthAccDataInfo;
-
-PRIVATE IxOsalFastMutex txWriteMutex[IX_ETH_ACC_NUMBER_OF_PORTS];
-PRIVATE IxOsalFastMutex rxWriteMutex[IX_ETH_ACC_NUMBER_OF_PORTS];
-
-/**
- *
- * @brief Mbuf header conversion macros : they implement the
- * different conversions using a temporary value. They also double-check
- * that the parameters can be converted to/from NPE format.
- *
- */
-#if defined(__wince) && !defined(IN_KERNEL)
-#define PTR_VIRT2NPE(ptrSrc,dst) \
- do { UINT32 temp; \
- IX_OSAL_ENSURE(sizeof(ptrSrc) == sizeof(UINT32), "Wrong parameter type"); \
- IX_OSAL_ENSURE(sizeof(dst) == sizeof(UINT32), "Wrong parameter type"); \
- temp = (UINT32)IX_OSAL_MBUF_MBUF_VIRTUAL_TO_PHYSICAL_TRANSLATION((IX_OSAL_MBUF*)ptrSrc); \
- (dst) = IX_OSAL_SWAP_BE_SHARED_LONG(temp); } \
- while(0)
-
-#define PTR_NPE2VIRT(type,src,ptrDst) \
- do { void *temp; \
- IX_OSAL_ENSURE(sizeof(type) == sizeof(UINT32), "Wrong parameter type"); \
- IX_OSAL_ENSURE(sizeof(src) == sizeof(UINT32), "Wrong parameter type"); \
- IX_OSAL_ENSURE(sizeof(ptrDst) == sizeof(UINT32), "Wrong parameter type"); \
- temp = (void *)IX_OSAL_SWAP_BE_SHARED_LONG(src); \
- (ptrDst) = (type)IX_OSAL_MBUF_MBUF_PHYSICAL_TO_VIRTUAL_TRANSLATION(temp); } \
- while(0)
-#else
-#define PTR_VIRT2NPE(ptrSrc,dst) \
- do { UINT32 temp; \
- IX_OSAL_ENSURE(sizeof(ptrSrc) == sizeof(UINT32), "Wrong parameter type"); \
- IX_OSAL_ENSURE(sizeof(dst) == sizeof(UINT32), "Wrong parameter type"); \
- temp = (UINT32)IX_OSAL_MMU_VIRT_TO_PHYS(ptrSrc); \
- (dst) = IX_OSAL_SWAP_BE_SHARED_LONG(temp); } \
- while(0)
-
-#define PTR_NPE2VIRT(type,src,ptrDst) \
- do { void *temp; \
- IX_OSAL_ENSURE(sizeof(type) == sizeof(UINT32), "Wrong parameter type"); \
- IX_OSAL_ENSURE(sizeof(src) == sizeof(UINT32), "Wrong parameter type"); \
- IX_OSAL_ENSURE(sizeof(ptrDst) == sizeof(UINT32), "Wrong parameter type"); \
- temp = (void *)IX_OSAL_SWAP_BE_SHARED_LONG(src); \
- (ptrDst) = (type)IX_OSAL_MMU_PHYS_TO_VIRT(temp); } \
- while(0)
-#endif
-
-/**
- *
- * @brief Mbuf payload pointer conversion macros : Wince has its own
- * method to convert the buffer pointers
- */
-#if defined(__wince) && !defined(IN_KERNEL)
-#define DATAPTR_VIRT2NPE(ptrSrc,dst) \
- do { UINT32 temp; \
- temp = (UINT32)IX_OSAL_MBUF_DATA_VIRTUAL_TO_PHYSICAL_TRANSLATION(ptrSrc); \
- (dst) = IX_OSAL_SWAP_BE_SHARED_LONG(temp); } \
- while(0)
-
-#else
-#define DATAPTR_VIRT2NPE(ptrSrc,dst) PTR_VIRT2NPE(IX_OSAL_MBUF_MDATA(ptrSrc),dst)
-#endif
-
-
-/* Flush the shared part of the mbuf header */
-#define IX_ETHACC_NE_CACHE_FLUSH(mbufPtr) \
- do { \
- IX_OSAL_CACHE_FLUSH(IX_ETHACC_NE_SHARED(mbufPtr), \
- sizeof(IxEthAccNe)); \
- } \
- while(0)
-
-/* Invalidate the shared part of the mbuf header */
-#define IX_ETHACC_NE_CACHE_INVALIDATE(mbufPtr) \
- do { \
- IX_OSAL_CACHE_INVALIDATE(IX_ETHACC_NE_SHARED(mbufPtr), \
- sizeof(IxEthAccNe)); \
- } \
- while(0)
-
-/* Preload one cache line (shared mbuf headers are aligned
- * and their size is 1 cache line)
- *
- * IX_OSAL_CACHED is defined when the mbuf headers are
- * allocated from cached memory.
- *
- * Other processor on emulation environment may not implement
- * preload function
- */
-#ifdef IX_OSAL_CACHED
- #if (CPU!=SIMSPARCSOLARIS) && !defined (__wince)
- #define IX_ACC_DATA_CACHE_PRELOAD(ptr) \
- do { /* preload a cache line (Xscale Processor) */ \
- __asm__ (" pld [%0]\n": : "r" (ptr)); \
- } \
- while(0)
- #else
- /* preload not implemented on different processor */
- #define IX_ACC_DATA_CACHE_PRELOAD(mbufPtr) \
- do { /* nothing */ } while (0)
- #endif
-#else
- /* preload not needed if cache is not enabled */
- #define IX_ACC_DATA_CACHE_PRELOAD(mbufPtr) \
- do { /* nothing */ } while (0)
-#endif
-
-/**
- *
- * @brief function to retrieve the correct pointer from
- * a queue entry posted by the NPE
- *
- * @param qEntry : entry from qmgr queue
- * mask : applicable mask for this queue
- * (4 most significant bits are used for additional informations)
- *
- * @return IX_OSAL_MBUF * pointer to mbuf header
- *
- * @internal
- */
-PRIVATE IX_OSAL_MBUF *
-ixEthAccEntryFromQConvert(UINT32 qEntry, UINT32 mask)
-{
- IX_OSAL_MBUF *mbufPtr;
-
- if (qEntry != 0)
- {
- /* mask NPE bits (e.g. priority, port ...) */
- qEntry &= mask;
-
-#if IX_ACC_DRAM_PHYS_OFFSET != 0
- /* restore the original address pointer (if PHYS_OFFSET is not 0) */
- qEntry |= (IX_ACC_DRAM_PHYS_OFFSET & ~IX_ETHNPE_QM_Q_RXENET_ADDR_MASK);
-#endif
- /* get the mbuf pointer address from the npe-shared address */
- qEntry -= offsetof(IX_OSAL_MBUF,ix_ne);
-
- /* phys2virt mbuf */
- mbufPtr = (IX_OSAL_MBUF *)IX_OSAL_MMU_PHYS_TO_VIRT(qEntry);
-
- /* preload the cacheline shared with NPE */
- IX_ACC_DATA_CACHE_PRELOAD(IX_ETHACC_NE_SHARED(mbufPtr));
-
- /* preload the cacheline used by xscale */
- IX_ACC_DATA_CACHE_PRELOAD(mbufPtr);
- }
- else
- {
- mbufPtr = NULL;
- }
-
- return mbufPtr;
-}
-
-/* Convert the mbuf header for NPE transmission */
-PRIVATE UINT32
-ixEthAccMbufTxQPrepare(IX_OSAL_MBUF *mbuf)
-{
- UINT32 qbuf;
- UINT32 len;
-
- /* endianess swap for tci and flags
- note: this is done only once, even for chained buffers */
- IX_ETHACC_NE_FLAGS(mbuf) = IX_OSAL_SWAP_BE_SHARED_SHORT(IX_ETHACC_NE_FLAGS(mbuf));
- IX_ETHACC_NE_VLANTCI(mbuf) = IX_OSAL_SWAP_BE_SHARED_SHORT(IX_ETHACC_NE_VLANTCI(mbuf));
-
- /* test for unchained mbufs */
- if (IX_OSAL_MBUF_NEXT_BUFFER_IN_PKT_PTR(mbuf) == NULL)
- {
- /* "best case" scenario : unchained mbufs */
- IX_ETH_ACC_STATS_INC(ixEthAccDataStats.unchainedTxMBufs);
-
- /* payload pointer conversion */
- DATAPTR_VIRT2NPE(mbuf, IX_ETHACC_NE_DATA(mbuf));
-
- /* unchained mbufs : the frame length is the mbuf length
- * and the 2 identical lengths are stored in the same
- * word.
- */
- len = IX_OSAL_MBUF_MLEN(mbuf);
-
- /* set the length in both length and pktLen 16-bits fields */
- len |= (len << IX_ETHNPE_ACC_LENGTH_OFFSET);
- IX_ETHACC_NE_LEN(mbuf) = IX_OSAL_SWAP_BE_SHARED_LONG(len);
-
- /* unchained mbufs : next contains 0 */
- IX_ETHACC_NE_NEXT(mbuf) = 0;
-
- /* flush shared header after all address conversions */
- IX_ETHACC_NE_CACHE_FLUSH(mbuf);
- }
- else
- {
- /* chained mbufs */
- IX_OSAL_MBUF *ptr = mbuf;
- IX_OSAL_MBUF *nextPtr;
- UINT32 frmLen;
-
- /* get the frame length from the header of the first buffer */
- frmLen = IX_OSAL_MBUF_PKT_LEN(mbuf);
-
- do
- {
- IX_ETH_ACC_STATS_INC(ixEthAccDataStats.chainedTxMBufs);
-
- /* payload pointer */
- DATAPTR_VIRT2NPE(ptr,IX_ETHACC_NE_DATA(ptr));
- /* Buffer length and frame length are stored in the same word */
- len = IX_OSAL_MBUF_MLEN(ptr);
- len = frmLen | (len << IX_ETHNPE_ACC_LENGTH_OFFSET);
- IX_ETHACC_NE_LEN(ptr) = IX_OSAL_SWAP_BE_SHARED_LONG(len);
-
- /* get the virtual next chain pointer */
- nextPtr = IX_OSAL_MBUF_NEXT_BUFFER_IN_PKT_PTR(ptr);
- if (nextPtr != NULL)
- {
- /* shared pointer of the next buffer is chained */
- PTR_VIRT2NPE(IX_ETHACC_NE_SHARED(nextPtr),
- IX_ETHACC_NE_NEXT(ptr));
- }
- else
- {
- IX_ETHACC_NE_NEXT(ptr) = 0;
- }
-
- /* flush shared header after all address conversions */
- IX_ETHACC_NE_CACHE_FLUSH(ptr);
-
- /* move to next buffer */
- ptr = nextPtr;
-
- /* the frame length field is set only in the first buffer
- * and is zeroed in the next buffers
- */
- frmLen = 0;
- }
- while(ptr != NULL);
-
- }
-
- /* virt2phys mbuf itself */
- qbuf = (UINT32)IX_OSAL_MMU_VIRT_TO_PHYS(
- IX_ETHACC_NE_SHARED(mbuf));
-
- /* Ensure the bits which are reserved to exchange information with
- * the NPE are cleared
- *
- * If the mbuf address is not correctly aligned, or from an
- * incompatible memory range, there is no point to continue
- */
- IX_OSAL_ENSURE(((qbuf & ~IX_ETHNPE_QM_Q_TXENET_ADDR_MASK) == 0),
- "Invalid address range");
-
- return qbuf;
-}
-
-/* Convert the mbuf header for NPE reception */
-PRIVATE UINT32
-ixEthAccMbufRxQPrepare(IX_OSAL_MBUF *mbuf)
-{
- UINT32 len;
- UINT32 qbuf;
-
- if (IX_OSAL_MBUF_NEXT_BUFFER_IN_PKT_PTR(mbuf) == NULL)
- {
- /* "best case" scenario : unchained mbufs */
- IX_ETH_ACC_STATS_INC(ixEthAccDataStats.unchainedRxFreeMBufs);
-
- /* unchained mbufs : payload pointer */
- DATAPTR_VIRT2NPE(mbuf, IX_ETHACC_NE_DATA(mbuf));
-
- /* unchained mbufs : set the buffer length
- * and the frame length field is zeroed
- */
- len = (IX_OSAL_MBUF_MLEN(mbuf) << IX_ETHNPE_ACC_LENGTH_OFFSET);
- IX_ETHACC_NE_LEN(mbuf) = IX_OSAL_SWAP_BE_SHARED_LONG(len);
-
- /* unchained mbufs : next pointer is null */
- IX_ETHACC_NE_NEXT(mbuf) = 0;
-
- /* flush shared header after all address conversions */
- IX_ETHACC_NE_CACHE_FLUSH(mbuf);
-
- /* remove shared header cache line */
- IX_ETHACC_NE_CACHE_INVALIDATE(mbuf);
- }
- else
- {
- /* chained mbufs */
- IX_OSAL_MBUF *ptr = mbuf;
- IX_OSAL_MBUF *nextPtr;
-
- do
- {
- /* chained mbufs */
- IX_ETH_ACC_STATS_INC(ixEthAccDataStats.chainedRxFreeMBufs);
-
- /* we must save virtual next chain pointer */
- nextPtr = IX_OSAL_MBUF_NEXT_BUFFER_IN_PKT_PTR(ptr);
-
- if (nextPtr != NULL)
- {
- /* chaining pointer for NPE */
- PTR_VIRT2NPE(IX_ETHACC_NE_SHARED(nextPtr),
- IX_ETHACC_NE_NEXT(ptr));
- }
- else
- {
- IX_ETHACC_NE_NEXT(ptr) = 0;
- }
-
- /* payload pointer */
- DATAPTR_VIRT2NPE(ptr,IX_ETHACC_NE_DATA(ptr));
-
- /* buffer length */
- len = (IX_OSAL_MBUF_MLEN(ptr) << IX_ETHNPE_ACC_LENGTH_OFFSET);
- IX_ETHACC_NE_LEN(ptr) = IX_OSAL_SWAP_BE_SHARED_LONG(len);
-
- /* flush shared header after all address conversions */
- IX_ETHACC_NE_CACHE_FLUSH(ptr);
-
- /* remove shared header cache line */
- IX_ETHACC_NE_CACHE_INVALIDATE(ptr);
-
- /* next mbuf in the chain */
- ptr = nextPtr;
- }
- while(ptr != NULL);
- }
-
- /* virt2phys mbuf itself */
- qbuf = (UINT32)IX_OSAL_MMU_VIRT_TO_PHYS(
- IX_ETHACC_NE_SHARED(mbuf));
-
- /* Ensure the bits which are reserved to exchange information with
- * the NPE are cleared
- *
- * If the mbuf address is not correctly aligned, or from an
- * incompatible memory range, there is no point to continue
- */
- IX_OSAL_ENSURE(((qbuf & ~IX_ETHNPE_QM_Q_RXENET_ADDR_MASK) == 0),
- "Invalid address range");
-
- return qbuf;
-}
-
-/* Convert the mbuf header after NPE transmission
- * Since there is nothing changed by the NPE, there is no need
- * to process anything but the update of internal stats
- * when they are enabled
-*/
-PRIVATE void
-ixEthAccMbufFromTxQ(IX_OSAL_MBUF *mbuf)
-{
-#ifndef NDEBUG
- /* test for unchained mbufs */
- if (IX_ETHACC_NE_NEXT(mbuf) == 0)
- {
- /* unchained mbufs : update the stats */
- IX_ETH_ACC_STATS_INC(ixEthAccDataStats.unchainedTxDoneMBufs);
- }
- else
- {
- /* chained mbufs : walk the chain and update the stats */
- IX_OSAL_MBUF *ptr = mbuf;
-
- do
- {
- IX_ETH_ACC_STATS_INC(ixEthAccDataStats.chainedTxDoneMBufs);
- ptr = IX_OSAL_MBUF_NEXT_BUFFER_IN_PKT_PTR(ptr);
- }
- while (ptr != NULL);
- }
-#endif
-}
-
-/* Convert the mbuf header after NPE reception */
-PRIVATE void
-ixEthAccMbufFromRxQ(IX_OSAL_MBUF *mbuf)
-{
- UINT32 len;
-
- /* endianess swap for tci and flags
- note: this is done only once, even for chained buffers */
- IX_ETHACC_NE_FLAGS(mbuf) = IX_OSAL_SWAP_BE_SHARED_SHORT(IX_ETHACC_NE_FLAGS(mbuf));
- IX_ETHACC_NE_VLANTCI(mbuf) = IX_OSAL_SWAP_BE_SHARED_SHORT(IX_ETHACC_NE_VLANTCI(mbuf));
-
- /* test for unchained mbufs */
- if (IX_ETHACC_NE_NEXT(mbuf) == 0)
- {
- /* unchained mbufs */
- IX_ETH_ACC_STATS_INC(ixEthAccDataStats.unchainedRxMBufs);
-
- /* get the frame length. it is the same than the buffer length */
- len = IX_OSAL_SWAP_BE_SHARED_LONG(IX_ETHACC_NE_LEN(mbuf));
- len &= IX_ETHNPE_ACC_PKTLENGTH_MASK;
- IX_OSAL_MBUF_PKT_LEN(mbuf) = IX_OSAL_MBUF_MLEN(mbuf) = len;
-
- /* clears the next packet field */
- IX_OSAL_MBUF_NEXT_BUFFER_IN_PKT_PTR(mbuf) = NULL;
- }
- else
- {
- IX_OSAL_MBUF *ptr = mbuf;
- IX_OSAL_MBUF *nextPtr;
- UINT32 frmLen;
-
- /* convert the frame length */
- frmLen = IX_OSAL_SWAP_BE_SHARED_LONG(IX_ETHACC_NE_LEN(mbuf));
- IX_OSAL_MBUF_PKT_LEN(mbuf) = (frmLen & IX_ETHNPE_ACC_PKTLENGTH_MASK);
-
- /* chained mbufs */
- do
- {
- IX_ETH_ACC_STATS_INC(ixEthAccDataStats.chainedRxMBufs);
-
- /* convert the length */
- len = IX_OSAL_SWAP_BE_SHARED_LONG(IX_ETHACC_NE_LEN(ptr));
- IX_OSAL_MBUF_MLEN(ptr) = (len >> IX_ETHNPE_ACC_LENGTH_OFFSET);
-
- /* get the next pointer */
- PTR_NPE2VIRT(IX_OSAL_MBUF *,IX_ETHACC_NE_NEXT(ptr), nextPtr);
- if (nextPtr != NULL)
- {
- nextPtr = (IX_OSAL_MBUF *)((UINT8 *)nextPtr - offsetof(IX_OSAL_MBUF,ix_ne));
- }
- /* set the next pointer */
- IX_OSAL_MBUF_NEXT_BUFFER_IN_PKT_PTR(ptr) = nextPtr;
-
- /* move to the next buffer */
- ptr = nextPtr;
- }
- while (ptr != NULL);
- }
-}
-
-/* write to qmgr if possible and report an overflow if not possible
- * Use a fast lock to protect the queue write.
- * This way, the tx feature is reentrant.
- */
-PRIVATE IX_STATUS
-ixEthAccQmgrLockTxWrite(IxEthAccPortId portId, UINT32 qBuffer)
-{
- IX_STATUS qStatus;
- if (ixOsalFastMutexTryLock(&txWriteMutex[portId]) == IX_SUCCESS)
- {
- qStatus = ixQMgrQWrite(
- IX_ETH_ACC_PORT_TO_TX_Q_ID(portId),
- &qBuffer);
-#ifndef NDEBUG
- if (qStatus != IX_SUCCESS)
- {
- TX_STATS_INC(portId, txOverflow);
- }
-#endif
- ixOsalFastMutexUnlock(&txWriteMutex[portId]);
- }
- else
- {
- TX_STATS_INC(portId, txLock);
- qStatus = IX_QMGR_Q_OVERFLOW;
- }
- return qStatus;
-}
-
-/* write to qmgr if possible and report an overflow if not possible
- * Use a fast lock to protect the queue write.
- * This way, the Rx feature is reentrant.
- */
-PRIVATE IX_STATUS
-ixEthAccQmgrLockRxWrite(IxEthAccPortId portId, UINT32 qBuffer)
-{
- IX_STATUS qStatus;
- if (ixOsalFastMutexTryLock(&rxWriteMutex[portId]) == IX_SUCCESS)
- {
- qStatus = ixQMgrQWrite(
- IX_ETH_ACC_PORT_TO_RX_FREE_Q_ID(portId),
- &qBuffer);
-#ifndef NDEBUG
- if (qStatus != IX_SUCCESS)
- {
- RX_STATS_INC(portId, rxFreeOverflow);
- }
-#endif
- ixOsalFastMutexUnlock(&rxWriteMutex[portId]);
- }
- else
- {
- RX_STATS_INC(portId, rxFreeLock);
- qStatus = IX_QMGR_Q_OVERFLOW;
- }
- return qStatus;
-}
-
-/*
- * Set the priority and write to a qmgr queue.
- */
-PRIVATE IX_STATUS
-ixEthAccQmgrTxWrite(IxEthAccPortId portId, UINT32 qBuffer, UINT32 priority)
-{
- /* fill the priority field */
- qBuffer |= (priority << IX_ETHNPE_QM_Q_FIELD_PRIOR_R);
-
- return ixEthAccQmgrLockTxWrite(portId, qBuffer);
-}
-
-/**
- *
- * @brief This function will discover the highest priority S/W Tx Q that
- * has entries in it
- *
- * @param portId - (in) the id of the port whose S/W Tx queues are to be searched
- * priorityPtr - (out) the priority of the highest priority occupied q will be written
- * here
- *
- * @return IX_ETH_ACC_SUCCESS if an occupied Q is found
- * IX_ETH_ACC_FAIL if no Q has entries
- *
- * @internal
- */
-PRIVATE IxEthAccStatus
-ixEthAccTxSwQHighestPriorityGet(IxEthAccPortId portId,
- IxEthAccTxPriority *priorityPtr)
-{
- if (ixEthAccPortData[portId].ixEthAccTxData.schDiscipline
- == FIFO_NO_PRIORITY)
- {
- if(IX_ETH_ACC_DATAPLANE_IS_Q_EMPTY(ixEthAccPortData[portId].
- ixEthAccTxData.txQ[IX_ETH_ACC_TX_DEFAULT_PRIORITY]))
- {
- return IX_ETH_ACC_FAIL;
- }
- else
- {
- *priorityPtr = IX_ETH_ACC_TX_DEFAULT_PRIORITY;
- TX_STATS_INC(portId,txPriority[*priorityPtr]);
- return IX_ETH_ACC_SUCCESS;
- }
- }
- else
- {
- IxEthAccTxPriority highestPriority = IX_ETH_ACC_TX_PRIORITY_7;
- while(1)
- {
- if(!IX_ETH_ACC_DATAPLANE_IS_Q_EMPTY(ixEthAccPortData[portId].
- ixEthAccTxData.txQ[highestPriority]))
- {
-
- *priorityPtr = highestPriority;
- TX_STATS_INC(portId,txPriority[highestPriority]);
- return IX_ETH_ACC_SUCCESS;
-
- }
- if (highestPriority == IX_ETH_ACC_TX_PRIORITY_0)
- {
- return IX_ETH_ACC_FAIL;
- }
- highestPriority--;
- }
- }
-}
-
-/**
- *
- * @brief This function will take a buffer from a TX S/W Q and attempt
- * to add it to the relevant TX H/W Q
- *
- * @param portId - the port whose TX queue is to be written to
- * priority - identifies the queue from which the entry is to be read
- *
- * @internal
- */
-PRIVATE IxEthAccStatus
-ixEthAccTxFromSwQ(IxEthAccPortId portId,
- IxEthAccTxPriority priority)
-{
- IX_OSAL_MBUF *mbuf;
- IX_STATUS qStatus;
-
- IX_OSAL_ENSURE((UINT32)priority <= (UINT32)7, "Invalid priority");
-
- IX_ETH_ACC_DATAPLANE_REMOVE_MBUF_FROM_Q_HEAD(
- ixEthAccPortData[portId].ixEthAccTxData.txQ[priority],
- mbuf);
-
- if (mbuf != NULL)
- {
- /*
- * Add the Tx buffer to the H/W Tx Q
- * We do not need to flush here as it is already done
- * in TxFrameSubmit().
- */
- qStatus = ixEthAccQmgrTxWrite(
- portId,
- IX_OSAL_MMU_VIRT_TO_PHYS((UINT32)IX_ETHACC_NE_SHARED(mbuf)),
- priority);
-
- if (qStatus == IX_SUCCESS)
- {
- TX_STATS_INC(portId,txFromSwQOK);
- return IX_SUCCESS;
- }
- else if (qStatus == IX_QMGR_Q_OVERFLOW)
- {
- /*
- * H/W Q overflow, need to save the buffer
- * back on the s/w Q.
- * we must put it back on the head of the q to avoid
- * reordering packet tx
- */
- TX_STATS_INC(portId,txFromSwQDelayed);
- IX_ETH_ACC_DATAPLANE_ADD_MBUF_TO_Q_HEAD(
- ixEthAccPortData[portId].ixEthAccTxData.txQ[priority],
- mbuf);
-
- /*enable Q notification*/
- qStatus = ixQMgrNotificationEnable(
- IX_ETH_ACC_PORT_TO_TX_Q_ID(portId),
- IX_ETH_ACC_PORT_TO_TX_Q_SOURCE(portId));
-
- if (qStatus != IX_SUCCESS && qStatus != IX_QMGR_WARNING)
- {
- TX_INC(portId,txUnexpectedError);
- IX_ETH_ACC_FATAL_LOG(
- "ixEthAccTxFromSwQ:Unexpected Error: %u\n",
- qStatus, 0, 0, 0, 0, 0);
- }
- }
- else
- {
- TX_INC(portId,txUnexpectedError);
-
- /* recovery attempt */
- IX_ETH_ACC_DATAPLANE_ADD_MBUF_TO_Q_HEAD(
- ixEthAccPortData[portId].ixEthAccTxData.txQ[priority],
- mbuf);
-
- IX_ETH_ACC_FATAL_LOG(
- "ixEthAccTxFromSwQ:Error: unexpected QM status 0x%08X\n",
- qStatus, 0, 0, 0, 0, 0);
- }
- }
- else
- {
- /* sw queue is empty */
- }
- return IX_ETH_ACC_FAIL;
-}
-
-/**
- *
- * @brief This function will take a buffer from a RXfree S/W Q and attempt
- * to add it to the relevant RxFree H/W Q
- *
- * @param portId - the port whose RXFree queue is to be written to
- *
- * @internal
- */
-PRIVATE IxEthAccStatus
-ixEthAccRxFreeFromSwQ(IxEthAccPortId portId)
-{
- IX_OSAL_MBUF *mbuf;
- IX_STATUS qStatus = IX_SUCCESS;
-
- IX_ETH_ACC_DATAPLANE_REMOVE_MBUF_FROM_Q_HEAD(
- ixEthAccPortData[portId].ixEthAccRxData.freeBufferList,
- mbuf);
- if (mbuf != NULL)
- {
- /*
- * Add The Rx Buffer to the H/W Free buffer Q if possible
- */
- qStatus = ixEthAccQmgrLockRxWrite(portId,
- IX_OSAL_MMU_VIRT_TO_PHYS(
- (UINT32)IX_ETHACC_NE_SHARED(mbuf)));
-
- if (qStatus == IX_SUCCESS)
- {
- RX_STATS_INC(portId,rxFreeRepFromSwQOK);
- /*
- * Buffer added to h/w Q.
- */
- return IX_SUCCESS;
- }
- else if (qStatus == IX_QMGR_Q_OVERFLOW)
- {
- /*
- * H/W Q overflow, need to save the buffer back on the s/w Q.
- */
- RX_STATS_INC(portId,rxFreeRepFromSwQDelayed);
-
- IX_ETH_ACC_DATAPLANE_ADD_MBUF_TO_Q_HEAD(
- ixEthAccPortData[portId].ixEthAccRxData.freeBufferList,
- mbuf);
- }
- else
- {
- /* unexpected qmgr error */
- RX_INC(portId,rxUnexpectedError);
-
- IX_ETH_ACC_DATAPLANE_ADD_MBUF_TO_Q_HEAD(
- ixEthAccPortData[portId].ixEthAccRxData.freeBufferList,
- mbuf);
-
- IX_ETH_ACC_FATAL_LOG("IxEthAccRxFreeFromSwQ:Error: unexpected QM status 0x%08X\n",
- qStatus, 0, 0, 0, 0, 0);
- }
- }
- else
- {
- /* sw queue is empty */
- }
- return IX_ETH_ACC_FAIL;
-}
-
-
-IX_ETH_ACC_PUBLIC
-IxEthAccStatus ixEthAccInitDataPlane()
-{
- UINT32 portId;
-
- /*
- * Initialize the service and register callback to other services.
- */
-
- IX_ETH_ACC_MEMSET(&ixEthAccDataStats,
- 0,
- sizeof(ixEthAccDataStats));
-
- for(portId=0; portId < IX_ETH_ACC_NUMBER_OF_PORTS; portId++)
- {
- ixOsalFastMutexInit(&txWriteMutex[portId]);
- ixOsalFastMutexInit(&rxWriteMutex[portId]);
-
- IX_ETH_ACC_MEMSET(&ixEthAccPortData[portId],
- 0,
- sizeof(ixEthAccPortData[portId]));
-
- ixEthAccPortData[portId].ixEthAccTxData.schDiscipline = FIFO_NO_PRIORITY;
- }
-
- return (IX_ETH_ACC_SUCCESS);
-}
-
-
-IX_ETH_ACC_PUBLIC
-IxEthAccStatus ixEthAccPortTxDoneCallbackRegister(IxEthAccPortId portId,
- IxEthAccPortTxDoneCallback
- txCallbackFn,
- UINT32 callbackTag)
-{
- if (!IX_ETH_ACC_IS_SERVICE_INITIALIZED())
- {
- return (IX_ETH_ACC_FAIL);
- }
- if (!IX_ETH_ACC_IS_PORT_VALID(portId))
- {
- return (IX_ETH_ACC_INVALID_PORT);
- }
-
-/* HACK: removing this code to enable NPE-A preliminary testing
- * if (IX_ETH_ACC_SUCCESS != ixEthAccSingleEthNpeCheck(portId))
- * {
- * IX_ETH_ACC_WARNING_LOG("ixEthAccPortTxDoneCallbackRegister: Unavailable Eth %d: Cannot register TxDone Callback.\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 (txCallbackFn == 0)
- /* Check for null function pointer here. */
- {
- return (IX_ETH_ACC_INVALID_ARG);
- }
- ixEthAccPortData[portId].ixEthAccTxData.txBufferDoneCallbackFn = txCallbackFn;
- ixEthAccPortData[portId].ixEthAccTxData.txCallbackTag = callbackTag;
- return (IX_ETH_ACC_SUCCESS);
-}
-
-
-IX_ETH_ACC_PUBLIC
-IxEthAccStatus ixEthAccPortRxCallbackRegister(IxEthAccPortId portId,
- IxEthAccPortRxCallback
- rxCallbackFn,
- UINT32 callbackTag)
-{
- IxEthAccPortId port;
-
- if (!IX_ETH_ACC_IS_SERVICE_INITIALIZED())
- {
- return (IX_ETH_ACC_FAIL);
- }
- if (!IX_ETH_ACC_IS_PORT_VALID(portId))
- {
- return (IX_ETH_ACC_INVALID_PORT);
- }
-
- if (IX_ETH_ACC_SUCCESS != ixEthAccSingleEthNpeCheck(portId))
- {
- IX_ETH_ACC_WARNING_LOG("ixEthAccPortRxCallbackRegister: Unavailable Eth %d: Cannot register Rx Callback.\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 for null function pointer here. */
- if (rxCallbackFn == NULL)
- {
- return (IX_ETH_ACC_INVALID_ARG);
- }
-
- /* Check the user is not changing the callback type
- * when the port is enabled.
- */
- if (ixEthAccMacState[portId].portDisableState == ACTIVE)
- {
- for (port = 0; port < IX_ETH_ACC_NUMBER_OF_PORTS; port++)
- {
- if ((ixEthAccMacState[port].portDisableState == ACTIVE)
- && (ixEthAccPortData[port].ixEthAccRxData.rxMultiBufferCallbackInUse == true))
- {
- /* one of the active ports has a different rx callback type.
- * Changing the callback type when the port is enabled
- * is not safe
- */
- return (IX_ETH_ACC_INVALID_ARG);
- }
- }
- }
-
- /* update the callback pointer : this is done before
- * registering the new qmgr callback
- */
- ixEthAccPortData[portId].ixEthAccRxData.rxCallbackFn = rxCallbackFn;
- ixEthAccPortData[portId].ixEthAccRxData.rxCallbackTag = callbackTag;
-
- /* update the qmgr callback for rx queues */
- if (ixEthAccQMgrRxCallbacksRegister(ixEthRxFrameQMCallback)
- != IX_ETH_ACC_SUCCESS)
- {
- /* unexpected qmgr error */
- IX_ETH_ACC_FATAL_LOG("ixEthAccPortRxCallbackRegister: unexpected QMgr error, " \
- "could not register Rx single-buffer callback\n", 0, 0, 0, 0, 0, 0);
-
- RX_INC(portId,rxUnexpectedError);
- return (IX_ETH_ACC_INVALID_ARG);
- }
-
- ixEthAccPortData[portId].ixEthAccRxData.rxMultiBufferCallbackInUse = false;
-
- return (IX_ETH_ACC_SUCCESS);
-}
-
-IX_ETH_ACC_PUBLIC
-IxEthAccStatus ixEthAccPortMultiBufferRxCallbackRegister(
- IxEthAccPortId portId,
- IxEthAccPortMultiBufferRxCallback
- rxCallbackFn,
- UINT32 callbackTag)
-{
- IxEthAccPortId port;
-
- if (!IX_ETH_ACC_IS_SERVICE_INITIALIZED())
- {
- return (IX_ETH_ACC_FAIL);
- }
- if (!IX_ETH_ACC_IS_PORT_VALID(portId))
- {
- return (IX_ETH_ACC_INVALID_PORT);
- }
-
- if (IX_ETH_ACC_SUCCESS != ixEthAccSingleEthNpeCheck(portId))
- {
- IX_ETH_ACC_WARNING_LOG("ixEthAccPortMultiBufferRxCallbackRegister: Unavailable Eth %d: Cannot register Rx Callback.\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 for null function pointer here. */
- if (rxCallbackFn == NULL)
- {
- return (IX_ETH_ACC_INVALID_ARG);
- }
-
- /* Check the user is not changing the callback type
- * when the port is enabled.
- */
- if (ixEthAccMacState[portId].portDisableState == ACTIVE)
- {
- for (port = 0; port < IX_ETH_ACC_NUMBER_OF_PORTS; port++)
- {
- if ((ixEthAccMacState[port].portDisableState == ACTIVE)
- && (ixEthAccPortData[port].ixEthAccRxData.rxMultiBufferCallbackInUse == false))
- {
- /* one of the active ports has a different rx callback type.
- * Changing the callback type when the port is enabled
- * is not safe
- */
- return (IX_ETH_ACC_INVALID_ARG);
- }
- }
- }
-
- /* update the callback pointer : this is done before
- * registering the new qmgr callback
- */
- ixEthAccPortData[portId].ixEthAccRxData.rxMultiBufferCallbackFn = rxCallbackFn;
- ixEthAccPortData[portId].ixEthAccRxData.rxMultiBufferCallbackTag = callbackTag;
-
- /* update the qmgr callback for rx queues */
- if (ixEthAccQMgrRxCallbacksRegister(ixEthRxMultiBufferQMCallback)
- != IX_ETH_ACC_SUCCESS)
- {
- /* unexpected qmgr error */
- RX_INC(portId,rxUnexpectedError);
-
- IX_ETH_ACC_FATAL_LOG("ixEthAccPortMultiBufferRxCallbackRegister: unexpected QMgr error, " \
- "could not register Rx multi-buffer callback\n", 0, 0, 0, 0, 0, 0);
-
- return (IX_ETH_ACC_INVALID_ARG);
- }
-
- ixEthAccPortData[portId].ixEthAccRxData.rxMultiBufferCallbackInUse = true;
-
- return (IX_ETH_ACC_SUCCESS);
-}
-
-IX_ETH_ACC_PUBLIC
-IxEthAccStatus ixEthAccPortTxFrameSubmit(IxEthAccPortId portId,
- IX_OSAL_MBUF *buffer,
- IxEthAccTxPriority priority)
-{
- IX_STATUS qStatus = IX_SUCCESS;
- UINT32 qBuffer;
- IxEthAccTxPriority highestPriority;
- IxQMgrQStatus txQStatus;
-
-#ifndef NDEBUG
- if (buffer == NULL)
- {
- return (IX_ETH_ACC_FAIL);
- }
- if (!IX_ETH_ACC_IS_SERVICE_INITIALIZED())
- {
- return (IX_ETH_ACC_FAIL);
- }
- if (!IX_ETH_ACC_IS_PORT_VALID(portId))
- {
- return (IX_ETH_ACC_INVALID_PORT);
- }
-
- if (IX_ETH_ACC_SUCCESS != ixEthAccSingleEthNpeCheck(portId))
- {
- IX_ETH_ACC_FATAL_LOG("ixEthAccPortTxFrameSubmit: Unavailable Eth %d: Cannot submit Tx Frame.\n",
- (INT32)portId,0,0,0,0,0);
- return IX_ETH_ACC_PORT_UNINITIALIZED ;
- }
-
- if (!IX_ETH_IS_PORT_INITIALIZED(portId))
- {
- return (IX_ETH_ACC_PORT_UNINITIALIZED);
- }
- if ((UINT32)priority > (UINT32)IX_ETH_ACC_TX_PRIORITY_7)
- {
- return (IX_ETH_ACC_INVALID_ARG);
- }
-#endif
-
- /*
- * Need to Flush the MBUF and its contents (data) as it may be
- * read from the NPE. Convert virtual addresses to physical addresses also.
- */
- qBuffer = ixEthAccMbufTxQPrepare(buffer);
-
- /*
- * If no fifo priority set on Xscale ...
- */
- if (ixEthAccPortData[portId].ixEthAccTxData.schDiscipline ==
- FIFO_NO_PRIORITY)
- {
- /*
- * Add The Tx Buffer to the H/W Tx Q if possible
- * (the priority is passed to the NPE, because
- * the NPE is able to reorder the frames
- * before transmission to the underlying hardware)
- */
- qStatus = ixEthAccQmgrTxWrite(portId,
- qBuffer,
- IX_ETH_ACC_TX_DEFAULT_PRIORITY);
-
- if (qStatus == IX_SUCCESS)
- {
- TX_STATS_INC(portId,txQOK);
-
- /*
- * "best case" scenario : Buffer added to h/w Q.
- */
- return (IX_SUCCESS);
- }
- else if (qStatus == IX_QMGR_Q_OVERFLOW)
- {
- /*
- * We were unable to write the buffer to the
- * appropriate H/W Q, Save it in the sw Q.
- * (use the default priority queue regardless of
- * input parameter)
- */
- priority = IX_ETH_ACC_TX_DEFAULT_PRIORITY;
- }
- else
- {
- /* unexpected qmgr error */
- TX_INC(portId,txUnexpectedError);
- IX_ETH_ACC_FATAL_LOG(
- "ixEthAccPortTxFrameSubmit:Error: qStatus = %u\n",
- (UINT32)qStatus, 0, 0, 0, 0, 0);
- return (IX_ETH_ACC_FAIL);
- }
- }
- else if (ixEthAccPortData[portId].ixEthAccTxData.schDiscipline ==
- FIFO_PRIORITY)
- {
-
- /*
- * For priority transmission, put the frame directly on the H/W queue
- * if the H/W queue is empty, otherwise, put it in a S/W Q
- */
- ixQMgrQStatusGet(IX_ETH_ACC_PORT_TO_TX_Q_ID(portId), &txQStatus);
- if((txQStatus & IX_QMGR_Q_STATUS_E_BIT_MASK) != 0)
- {
- /*The tx queue is empty, check whether there are buffers on the s/w queues*/
- if(ixEthAccTxSwQHighestPriorityGet(portId, &highestPriority)
- !=IX_ETH_ACC_FAIL)
- {
- /*there are buffers on the s/w queues, submit them*/
- ixEthAccTxFromSwQ(portId, highestPriority);
-
- /* the queue was empty, 1 buffer is already supplied
- * but is likely to be immediately transmitted and the
- * hw queue is likely to be empty again, so submit
- * more from the sw queues
- */
- if(ixEthAccTxSwQHighestPriorityGet(portId, &highestPriority)
- !=IX_ETH_ACC_FAIL)
- {
- ixEthAccTxFromSwQ(portId, highestPriority);
- /*
- * and force the buffer supplied to be placed
- * on a priority queue
- */
- qStatus = IX_QMGR_Q_OVERFLOW;
- }
- else
- {
- /*there are no buffers in the s/w queues, submit directly*/
- qStatus = ixEthAccQmgrTxWrite(portId, qBuffer, priority);
- }
- }
- else
- {
- /*there are no buffers in the s/w queues, submit directly*/
- qStatus = ixEthAccQmgrTxWrite(portId, qBuffer, priority);
- }
- }
- else
- {
- qStatus = IX_QMGR_Q_OVERFLOW;
- }
- }
- else
- {
- TX_INC(portId,txUnexpectedError);
- IX_ETH_ACC_FATAL_LOG(
- "ixEthAccPortTxFrameSubmit:Error: wrong schedule discipline setup\n",
- 0, 0, 0, 0, 0, 0);
- return (IX_ETH_ACC_FAIL);
- }
-
- if(qStatus == IX_SUCCESS )
- {
- TX_STATS_INC(portId,txQOK);
- return IX_ETH_ACC_SUCCESS;
- }
- else if(qStatus == IX_QMGR_Q_OVERFLOW)
- {
- TX_STATS_INC(portId,txQDelayed);
- /*
- * We were unable to write the buffer to the
- * appropriate H/W Q, Save it in a s/w Q.
- */
- IX_ETH_ACC_DATAPLANE_ADD_MBUF_TO_Q_TAIL(
- ixEthAccPortData[portId].
- ixEthAccTxData.txQ[priority],
- buffer);
-
- qStatus = ixQMgrNotificationEnable(
- IX_ETH_ACC_PORT_TO_TX_Q_ID(portId),
- IX_ETH_ACC_PORT_TO_TX_Q_SOURCE(portId));
-
- if (qStatus != IX_SUCCESS)
- {
- if (qStatus == IX_QMGR_WARNING)
- {
- /* notification is enabled for a queue
- * which is already empty (the condition is already met)
- * and there will be no more queue event to drain the sw queue
- */
- TX_STATS_INC(portId,txLateNotificationEnabled);
-
- /* pull a buffer from the sw queue */
- if(ixEthAccTxSwQHighestPriorityGet(portId, &highestPriority)
- !=IX_ETH_ACC_FAIL)
- {
- /*there are buffers on the s/w queues, submit from them*/
- ixEthAccTxFromSwQ(portId, highestPriority);
- }
- }
- else
- {
- TX_INC(portId,txUnexpectedError);
- IX_ETH_ACC_FATAL_LOG(
- "ixEthAccPortTxFrameSubmit: unexpected Error: %u\n",
- qStatus, 0, 0, 0, 0, 0);
- }
- }
- }
- else
- {
- TX_INC(portId,txUnexpectedError);
- IX_ETH_ACC_FATAL_LOG(
- "ixEthAccPortTxFrameSubmit: unexpected Error: %u\n",
- qStatus, 0, 0, 0, 0, 0);
- return (IX_ETH_ACC_FAIL);
- }
-
- return (IX_ETH_ACC_SUCCESS);
-}
-
-
-/**
- *
- * @brief replenish: convert a chain of mbufs to the format
- * expected by the NPE
- *
- */
-
-IX_ETH_ACC_PUBLIC
-IxEthAccStatus ixEthAccPortRxFreeReplenish(IxEthAccPortId portId,
- IX_OSAL_MBUF *buffer)
-{
- IX_STATUS qStatus = IX_SUCCESS;
- UINT32 qBuffer;
-
- /*
- * Check buffer is valid.
- */
-
-#ifndef NDEBUG
- /* check parameter value */
- if (buffer == 0)
- {
- return (IX_ETH_ACC_FAIL);
- }
- if (!IX_ETH_ACC_IS_SERVICE_INITIALIZED())
- {
- return (IX_ETH_ACC_FAIL);
- }
- if (!IX_ETH_ACC_IS_PORT_VALID(portId))
- {
- return (IX_ETH_ACC_INVALID_PORT);
- }
-
- /* check initialisation is done */
- if (IX_ETH_ACC_SUCCESS != ixEthAccSingleEthNpeCheck(portId))
- {
- IX_ETH_ACC_FATAL_LOG(" ixEthAccPortRxFreeReplenish: Unavailable Eth %d: Cannot replenish Rx Free Q.\n",(INT32)portId,0,0,0,0,0);
- return IX_ETH_ACC_PORT_UNINITIALIZED ;
- }
-
- if (!IX_ETH_IS_PORT_INITIALIZED(portId))
- {
- return (IX_ETH_ACC_PORT_UNINITIALIZED);
- }
- /* check boundaries and constraints */
- if (IX_OSAL_MBUF_MLEN(buffer) < IX_ETHNPE_ACC_RXFREE_BUFFER_LENGTH_MIN)
- {
- return (IX_ETH_ACC_FAIL);
- }
-#endif
-
- qBuffer = ixEthAccMbufRxQPrepare(buffer);
-
- /*
- * Add The Rx Buffer to the H/W Free buffer Q if possible
- */
- qStatus = ixEthAccQmgrLockRxWrite(portId, qBuffer);
-
- if (qStatus == IX_SUCCESS)
- {
- RX_STATS_INC(portId,rxFreeRepOK);
- /*
- * Buffer added to h/w Q.
- */
- return (IX_SUCCESS);
- }
- else if (qStatus == IX_QMGR_Q_OVERFLOW)
- {
- RX_STATS_INC(portId,rxFreeRepDelayed);
- /*
- * We were unable to write the buffer to the approprate H/W Q,
- * Save it in a s/w Q.
- */
- IX_ETH_ACC_DATAPLANE_ADD_MBUF_TO_Q_TAIL(
- ixEthAccPortData[portId].ixEthAccRxData.freeBufferList,
- buffer);
-
- qStatus = ixQMgrNotificationEnable(
- IX_ETH_ACC_PORT_TO_RX_FREE_Q_ID(portId),
- IX_ETH_ACC_PORT_TO_RX_FREE_Q_SOURCE(portId));
-
- if (qStatus != IX_SUCCESS)
- {
- if (qStatus == IX_QMGR_WARNING)
- {
- /* notification is enabled for a queue
- * which is already empty (the condition is already met)
- * and there will be no more queue event to drain the sw queue
- * move an entry from the sw queue to the hw queue */
- RX_STATS_INC(portId,rxFreeLateNotificationEnabled);
- ixEthAccRxFreeFromSwQ(portId);
- }
- else
- {
- RX_INC(portId,rxUnexpectedError);
- IX_ETH_ACC_FATAL_LOG(
- "ixEthAccRxPortFreeReplenish:Error: %u\n",
- qStatus, 0, 0, 0, 0, 0);
- }
- }
- }
- else
- {
- RX_INC(portId,rxUnexpectedError);
- IX_ETH_ACC_FATAL_LOG(
- "ixEthAccRxPortFreeReplenish:Error: qStatus = %u\n",
- (UINT32)qStatus, 0, 0, 0, 0, 0);
- return(IX_ETH_ACC_FAIL);
- }
- return (IX_ETH_ACC_SUCCESS);
-}
-
-
-IX_ETH_ACC_PUBLIC
-IxEthAccStatus ixEthAccTxSchedulingDisciplineSetPriv(IxEthAccPortId portId,
- IxEthAccSchedulerDiscipline
- sched)
-{
- if (!IX_ETH_ACC_IS_PORT_VALID(portId))
- {
- return (IX_ETH_ACC_INVALID_PORT);
- }
-
- if (IX_ETH_ACC_SUCCESS != ixEthAccSingleEthNpeCheck(portId))
- {
- IX_ETH_ACC_WARNING_LOG("ixEthAccTxSchedulingDisciplineSet: Unavailable Eth %d: Cannot set Tx Scheduling Discipline.\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 (sched != FIFO_PRIORITY && sched != FIFO_NO_PRIORITY)
- {
- return (IX_ETH_ACC_INVALID_ARG);
- }
-
- ixEthAccPortData[portId].ixEthAccTxData.schDiscipline = sched;
- return (IX_ETH_ACC_SUCCESS);
-}
-
-IX_ETH_ACC_PUBLIC
-IxEthAccStatus ixEthAccRxSchedulingDisciplineSetPriv(IxEthAccSchedulerDiscipline
- sched)
-{
- if (sched != FIFO_PRIORITY && sched != FIFO_NO_PRIORITY)
- {
- return (IX_ETH_ACC_INVALID_ARG);
- }
-
- ixEthAccDataInfo.schDiscipline = sched;
-
- return (IX_ETH_ACC_SUCCESS);
-}
-
-
-/**
- * @fn ixEthRxFrameProcess(IxEthAccPortId portId, IX_OSAL_MBUF *mbufPtr)
- *
- * @brief process incoming frame :
- *
- * @param @ref IxQMgrCallback IxQMgrMultiBufferCallback
- *
- * @return none
- *
- * @internal
- *
- */
-IX_ETH_ACC_PRIVATE BOOL
-ixEthRxFrameProcess(IxEthAccPortId portId, IX_OSAL_MBUF *mbufPtr)
-{
- UINT32 flags;
- IxEthDBStatus result;
-
-#ifndef NDEBUG
- /* Prudent to at least check the port is within range */
- if (portId >= IX_ETH_ACC_NUMBER_OF_PORTS)
- {
- ixEthAccDataStats.unexpectedError++;
- IX_ETH_ACC_FATAL_LOG(
- "ixEthRxFrameProcess: Illegal port: %u\n",
- (UINT32)portId, 0, 0, 0, 0, 0);
- return false;
- }
-#endif
-
- /* convert fields from mbuf header */
- ixEthAccMbufFromRxQ(mbufPtr);
-
- /* check about any special processing for this frame */
- flags = IX_ETHACC_NE_FLAGS(mbufPtr);
- if ((flags & (IX_ETHACC_NE_FILTERMASK | IX_ETHACC_NE_NEWSRCMASK)) == 0)
- {
- /* "best case" scenario : nothing special to do for this frame */
- return true;
- }
-
-#ifdef CONFIG_IXP425_COMPONENT_ETHDB
- /* if a new source MAC address is detected by the NPE,
- * update IxEthDB with the portId and the MAC address.
- */
- if ((flags & IX_ETHACC_NE_NEWSRCMASK & ixEthAccNewSrcMask) != 0)
- {
- result = ixEthDBFilteringDynamicEntryProvision(portId,
- (IxEthDBMacAddr *) IX_ETHACC_NE_SOURCEMAC(mbufPtr));
-
- if (result != IX_ETH_DB_SUCCESS && result != IX_ETH_DB_FEATURE_UNAVAILABLE)
- {
- if ((ixEthAccMacState[portId].portDisableState == ACTIVE) && (result != IX_ETH_DB_BUSY))
- {
- RX_STATS_INC(portId, rxUnexpectedError);
- IX_ETH_ACC_FATAL_LOG("ixEthRxFrameProcess: Failed to add source MAC \
- to the Learning/Filtering database\n", 0, 0, 0, 0, 0, 0);
- }
- else
- {
- /* we expect this to fail during PortDisable, as EthDB is disabled for
- * that port and will refuse to learn new addresses
- */
- }
- }
- else
- {
- RX_STATS_INC(portId, rxUnlearnedMacAddress);
- }
- }
-#endif
-
- /* check if this frame should have been filtered
- * by the NPE and take the appropriate action
- */
- if (((flags & IX_ETHACC_NE_FILTERMASK) != 0)
- && (ixEthAccMacState[portId].portDisableState == ACTIVE))
- {
- /* If the mbuf was allocated with a small data size, or the current data pointer is not
- * within the allocated data area, then the buffer is non-standard and has to be
- * replenished with the minimum size only
- */
- if( (IX_OSAL_MBUF_ALLOCATED_BUFF_LEN(mbufPtr) < IX_ETHNPE_ACC_RXFREE_BUFFER_LENGTH_MIN)
- || ((UINT8 *)IX_OSAL_MBUF_ALLOCATED_BUFF_DATA(mbufPtr) > IX_OSAL_MBUF_MDATA(mbufPtr))
- || ((UINT8 *)(IX_OSAL_MBUF_ALLOCATED_BUFF_DATA(mbufPtr) +
- IX_OSAL_MBUF_ALLOCATED_BUFF_LEN(mbufPtr))
- < IX_OSAL_MBUF_MDATA(mbufPtr)) )
- {
- /* set to minimum length */
- IX_OSAL_MBUF_MLEN(mbufPtr) = IX_OSAL_MBUF_PKT_LEN(mbufPtr) =
- IX_ETHNPE_ACC_RXFREE_BUFFER_LENGTH_MIN;
- }
- else
- {
- /* restore original length */
- IX_OSAL_MBUF_MLEN(mbufPtr) = IX_OSAL_MBUF_PKT_LEN(mbufPtr) =
- ( IX_OSAL_MBUF_ALLOCATED_BUFF_LEN(mbufPtr) -
- (IX_OSAL_MBUF_MDATA(mbufPtr) - (UINT8 *)IX_OSAL_MBUF_ALLOCATED_BUFF_DATA(mbufPtr)) );
- }
-
- /* replenish from here */
- if (ixEthAccPortRxFreeReplenish(portId, mbufPtr) != IX_ETH_ACC_SUCCESS)
- {
- IX_ETH_ACC_FATAL_LOG("ixEthRxFrameProcess: Failed to replenish with filtered frame\
- on port %d\n", portId, 0, 0, 0, 0, 0);
- }
-
- RX_STATS_INC(portId, rxFiltered);
-
- /* indicate that frame should not be subjected to further processing */
- return false;
- }
-
- return true;
-}
-
-
-/**
- * @fn ixEthRxFrameQMCallback
- *
- * @brief receive callback for Frame receive Q from NPE
- *
- * Frames are passed one-at-a-time to the user
- *
- * @param @ref IxQMgrCallback
- *
- * @return none
- *
- * @internal
- *
- * Design note : while processing the entry X, entry X+1 is preloaded
- * into memory to reduce the number of stall cycles
- *
- */
-void ixEthRxFrameQMCallback(IxQMgrQId qId, IxQMgrCallbackId callbackId)
-{
- IX_OSAL_MBUF *mbufPtr;
- IX_OSAL_MBUF *nextMbufPtr;
- UINT32 qEntry;
- UINT32 nextQEntry;
- UINT32 *qEntryPtr;
- UINT32 portId;
- UINT32 destPortId;
- UINT32 npeId;
- UINT32 rxQReadStatus;
-
- /*
- * Design note : entries are read in a buffer, This buffer contains
- * an extra zeroed entry so the loop will
- * always terminate on a null entry, whatever the result of Burst read is.
- */
- UINT32 rxQEntry[IX_ETH_ACC_MAX_RX_FRAME_CONSUME_PER_CALLBACK + 1];
-
- /*
- * Indication of the number of times the callback is used.
- */
- IX_ETH_ACC_STATS_INC(ixEthAccDataStats.rxCallbackCounter);
-
- do
- {
- /*
- * Indication of the number of times the queue is drained
- */
- IX_ETH_ACC_STATS_INC(ixEthAccDataStats.rxCallbackBurstRead);
-
- /* ensure the last entry of the array contains a zeroed value */
- qEntryPtr = rxQEntry;
- qEntryPtr[IX_ETH_ACC_MAX_RX_FRAME_CONSUME_PER_CALLBACK] = 0;
-
- rxQReadStatus = ixQMgrQBurstRead(qId,
- IX_ETH_ACC_MAX_RX_FRAME_CONSUME_PER_CALLBACK,
- qEntryPtr);
-
-#ifndef NDEBUG
- if ((rxQReadStatus != IX_QMGR_Q_UNDERFLOW)
- && (rxQReadStatus != IX_SUCCESS))
- {
- ixEthAccDataStats.unexpectedError++;
- /*major error*/
- IX_ETH_ACC_FATAL_LOG(
- "ixEthRxFrameQMCallback:Error: %u\n",
- (UINT32)rxQReadStatus, 0, 0, 0, 0, 0);
- return;
- }
-#endif
-
- /* convert and preload the next entry
- * (the conversion function takes care about null pointers which
- * are used to mark the end of the loop)
- */
- nextQEntry = *qEntryPtr;
- nextMbufPtr = ixEthAccEntryFromQConvert(nextQEntry,
- IX_ETHNPE_QM_Q_RXENET_ADDR_MASK);
-
- while(nextQEntry != 0)
- {
- /* get the next entry */
- qEntry = nextQEntry;
- mbufPtr = nextMbufPtr;
-
-#ifndef NDEBUG
- if (mbufPtr == NULL)
- {
- ixEthAccDataStats.unexpectedError++;
- IX_ETH_ACC_FATAL_LOG(
- "ixEthRxFrameQMCallback: Null Mbuf Ptr\n",
- 0, 0, 0, 0, 0, 0);
- return;
- }
-#endif
-
- /* convert the next entry
- * (the conversion function takes care about null pointers which
- * are used to mark the end of the loop)
- */
- nextQEntry = *(++qEntryPtr);
- nextMbufPtr = ixEthAccEntryFromQConvert(nextQEntry,
- IX_ETHNPE_QM_Q_RXENET_ADDR_MASK);
-
- /*
- * Get Port and Npe ID from message.
- */
- npeId = ((IX_ETHNPE_QM_Q_RXENET_NPEID_MASK &
- qEntry) >> IX_ETHNPE_QM_Q_FIELD_NPEID_R);
- portId = IX_ETH_ACC_NPE_TO_PORT_ID(npeId);
-
- /* process frame, check the return code and skip the remaining of
- * the loop if the frame is to be filtered out
- */
- if (ixEthRxFrameProcess(portId, mbufPtr))
- {
- /* destination portId for this packet */
- destPortId = IX_ETHACC_NE_DESTPORTID(mbufPtr);
-
- if (destPortId != IX_ETH_DB_UNKNOWN_PORT)
- {
- destPortId = IX_ETH_DB_NPE_LOGICAL_ID_TO_PORT_ID(destPortId);
- }
-
- /* test if QoS is enabled in ethAcc
- */
- if (ixEthAccDataInfo.schDiscipline == FIFO_PRIORITY)
- {
- /* check if there is a higher priority queue
- * which may require processing and then process it.
- */
- if (ixEthAccDataInfo.higherPriorityQueue[qId] < IX_QMGR_MAX_NUM_QUEUES)
- {
- ixEthRxFrameQMCallback(ixEthAccDataInfo.higherPriorityQueue[qId],
- callbackId);
- }
- }
-
- /*
- * increment priority stats
- */
- RX_STATS_INC(portId,rxPriority[IX_ETHACC_NE_QOS(mbufPtr)]);
-
- /*
- * increment callback count stats
- */
- RX_STATS_INC(portId,rxFrameClientCallback);
-
- /*
- * Call user level callback.
- */
- ixEthAccPortData[portId].ixEthAccRxData.rxCallbackFn(
- ixEthAccPortData[portId].ixEthAccRxData.rxCallbackTag,
- mbufPtr,
- destPortId);
- }
- }
- } while (rxQReadStatus == IX_SUCCESS);
-}
-
-/**
- * @fn ixEthRxMultiBufferQMCallback
- *
- * @brief receive callback for Frame receive Q from NPE
- *
- * Frames are passed as an array to the user
- *
- * @param @ref IxQMgrCallback
- *
- * @return none
- *
- * @internal
- *
- * Design note : while processing the entry X, entry X+1 is preloaded
- * into memory to reduce the number of stall cycles
- *
- */
-void ixEthRxMultiBufferQMCallback(IxQMgrQId qId, IxQMgrCallbackId callbackId)
-{
- IX_OSAL_MBUF *mbufPtr;
- IX_OSAL_MBUF *nextMbufPtr;
- UINT32 qEntry;
- UINT32 nextQEntry;
- UINT32 *qEntryPtr;
- UINT32 portId;
- UINT32 npeId;
- UINT32 rxQReadStatus;
- /*
- * Design note : entries are read in a static buffer, This buffer contains
- * an extra zeroed entry so the loop will
- * always terminate on a null entry, whatever the result of Burst read is.
- */
- static UINT32 rxQEntry[IX_ETH_ACC_MAX_RX_FRAME_CONSUME_PER_CALLBACK + 1];
- static IX_OSAL_MBUF *rxMbufPortArray[IX_ETH_ACC_NUMBER_OF_PORTS][IX_ETH_ACC_MAX_RX_FRAME_CONSUME_PER_CALLBACK + 1];
- IX_OSAL_MBUF **rxMbufPtr[IX_ETH_ACC_NUMBER_OF_PORTS];
-
- for (portId = 0; portId < IX_ETH_ACC_NUMBER_OF_PORTS; portId++)
- {
- rxMbufPtr[portId] = rxMbufPortArray[portId];
- }
-
- /*
- * Indication of the number of times the callback is used.
- */
- IX_ETH_ACC_STATS_INC(ixEthAccDataStats.rxCallbackCounter);
-
- do
- {
- /*
- * Indication of the number of times the queue is drained
- */
- IX_ETH_ACC_STATS_INC(ixEthAccDataStats.rxCallbackBurstRead);
-
- /* ensure the last entry of the array contains a zeroed value */
- qEntryPtr = rxQEntry;
- qEntryPtr[IX_ETH_ACC_MAX_RX_FRAME_CONSUME_PER_CALLBACK] = 0;
-
- rxQReadStatus = ixQMgrQBurstRead(qId,
- IX_ETH_ACC_MAX_RX_FRAME_CONSUME_PER_CALLBACK,
- qEntryPtr);
-
-#ifndef NDEBUG
- if ((rxQReadStatus != IX_QMGR_Q_UNDERFLOW)
- && (rxQReadStatus != IX_SUCCESS))
- {
- ixEthAccDataStats.unexpectedError++;
- /*major error*/
- IX_ETH_ACC_FATAL_LOG(
- "ixEthRxFrameMultiBufferQMCallback:Error: %u\n",
- (UINT32)rxQReadStatus, 0, 0, 0, 0, 0);
- return;
- }
-#endif
-
- /* convert and preload the next entry
- * (the conversion function takes care about null pointers which
- * are used to mark the end of the loop)
- */
- nextQEntry = *qEntryPtr;
- nextMbufPtr = ixEthAccEntryFromQConvert(nextQEntry,
- IX_ETHNPE_QM_Q_RXENET_ADDR_MASK);
-
- while(nextQEntry != 0)
- {
- /* get the next entry */
- qEntry = nextQEntry;
- mbufPtr = nextMbufPtr;
-
-#ifndef NDEBUG
- if (mbufPtr == NULL)
- {
- ixEthAccDataStats.unexpectedError++;
- IX_ETH_ACC_FATAL_LOG(
- "ixEthRxFrameMultiBufferQMCallback:Error: Null Mbuf Ptr\n",
- 0, 0, 0, 0, 0, 0);
- return;
- }
-#endif
-
- /* convert the next entry
- * (the conversion function takes care about null pointers which
- * are used to mark the end of the loop)
- */
- nextQEntry = *(++qEntryPtr);
- nextMbufPtr = ixEthAccEntryFromQConvert(nextQEntry,
- IX_ETHNPE_QM_Q_RXENET_ADDR_MASK);
-
- /*
- * Get Port and Npe ID from message.
- */
- npeId = ((IX_ETHNPE_QM_Q_RXENET_NPEID_MASK &
- qEntry) >>
- IX_ETHNPE_QM_Q_FIELD_NPEID_R);
- portId = IX_ETH_ACC_NPE_TO_PORT_ID(npeId);
-
- /* skip the remaining of the loop if the frame is
- * to be filtered out
- */
- if (ixEthRxFrameProcess(portId, mbufPtr))
- {
- /* store a mbuf pointer in an array */
- *rxMbufPtr[portId]++ = mbufPtr;
-
- /*
- * increment priority stats
- */
- RX_STATS_INC(portId,rxPriority[IX_ETHACC_NE_QOS(mbufPtr)]);
- }
-
- /* test for QoS enabled in ethAcc */
- if (ixEthAccDataInfo.schDiscipline == FIFO_PRIORITY)
- {
- /* check if there is a higher priority queue
- * which may require processing and then process it.
- */
- if (ixEthAccDataInfo.higherPriorityQueue[qId] < IX_QMGR_MAX_NUM_QUEUES)
- {
- ixEthRxMultiBufferQMCallback(ixEthAccDataInfo.higherPriorityQueue[qId],
- callbackId);
- }
- }
- }
-
- /* check if any of the the arrays contains any entry */
- for (portId = 0; portId < IX_ETH_ACC_NUMBER_OF_PORTS; portId++)
- {
- if (rxMbufPtr[portId] != rxMbufPortArray[portId])
- {
- /* add a last NULL pointer at the end of the
- * array of mbuf pointers
- */
- *rxMbufPtr[portId] = NULL;
-
- /*
- * increment callback count stats
- */
- RX_STATS_INC(portId,rxFrameClientCallback);
-
- /*
- * Call user level callback with an array of
- * buffers (NULL terminated)
- */
- ixEthAccPortData[portId].ixEthAccRxData.
- rxMultiBufferCallbackFn(
- ixEthAccPortData[portId].ixEthAccRxData.
- rxMultiBufferCallbackTag,
- rxMbufPortArray[portId]);
-
- /* reset the buffer pointer to the beginning of
- * the array
- */
- rxMbufPtr[portId] = rxMbufPortArray[portId];
- }
- }
-
- } while (rxQReadStatus == IX_SUCCESS);
-}
-
-
-/**
- * @brief rxFree low event handler
- *
- */
-void ixEthRxFreeQMCallback(IxQMgrQId qId, IxQMgrCallbackId callbackId)
-{
- IxEthAccPortId portId = (IxEthAccPortId) callbackId;
- int lockVal;
- UINT32 maxQWritesToPerform = IX_ETH_ACC_MAX_RX_FREE_BUFFERS_LOAD;
- IX_STATUS qStatus = IX_SUCCESS;
-
- /*
- * We have reached a low threshold on one of the Rx Free Qs
- */
-
- /*note that due to the fact that we are working off an Empty threshold, this callback
- need only write a single entry to the Rx Free queue in order to re-arm the notification
- */
-
- RX_STATS_INC(portId,rxFreeLowCallback);
-
- /*
- * Get buffers from approprite S/W Rx freeBufferList Q.
- */
-
-#ifndef NDEBUG
- if (!IX_ETH_ACC_IS_PORT_VALID(portId))
- {
- ixEthAccDataStats.unexpectedError++;
- IX_ETH_ACC_FATAL_LOG(
- "ixEthRxFreeQMCallback:Error: Invalid Port 0x%08X\n",
- portId, 0, 0, 0, 0, 0);
- return;
- }
-#endif
- IX_ETH_ACC_DATA_PLANE_LOCK(lockVal);
- if (IX_ETH_ACC_DATAPLANE_IS_Q_EMPTY(ixEthAccPortData[portId].
- ixEthAccRxData.freeBufferList))
- {
- /*
- * Turn off Q callback notification for Q in Question.
- */
- qStatus = ixQMgrNotificationDisable(
- IX_ETH_ACC_PORT_TO_RX_FREE_Q_ID(portId));
-
-
- IX_ETH_ACC_DATA_PLANE_UNLOCK(lockVal);
-
- if (qStatus != IX_SUCCESS)
- {
- RX_INC(portId,rxUnexpectedError);
- IX_ETH_ACC_FATAL_LOG(
- "ixEthRxFreeQMCallback:Error: unexpected QM status 0x%08X\n",
- qStatus, 0, 0, 0, 0, 0);
- return;
- }
- }
- else
- {
- IX_ETH_ACC_DATA_PLANE_UNLOCK(lockVal);
- /*
- * Load the H/W Q with buffers from the s/w Q.
- */
-
- do
- {
- /*
- * Consume Q entries. - Note Q contains Physical addresss,
- * and have already been flushed to memory,
- * And endianess converted if required.
- */
- if (ixEthAccRxFreeFromSwQ(portId) != IX_SUCCESS)
- {
- /*
- * No more entries in s/w Q.
- * Turn off Q callback indication
- */
-
- IX_ETH_ACC_DATA_PLANE_LOCK(lockVal);
- if (IX_ETH_ACC_DATAPLANE_IS_Q_EMPTY(ixEthAccPortData[portId].
- ixEthAccRxData.freeBufferList))
- {
- qStatus = ixQMgrNotificationDisable(
- IX_ETH_ACC_PORT_TO_RX_FREE_Q_ID(portId));
- }
- IX_ETH_ACC_DATA_PLANE_UNLOCK(lockVal);
- break;
- }
- }
- while (--maxQWritesToPerform);
- }
-}
-/**
- * @fn Tx queue low event handler
- *
- */
-void
-ixEthTxFrameQMCallback(IxQMgrQId qId, IxQMgrCallbackId callbackId)
-{
- IxEthAccPortId portId = (IxEthAccPortId) callbackId;
- int lockVal;
- UINT32 maxQWritesToPerform = IX_ETH_ACC_MAX_TX_FRAME_TX_CONSUME_PER_CALLBACK;
- IX_STATUS qStatus = IX_SUCCESS;
- IxEthAccTxPriority highestPriority;
-
-
- /*
- * We have reached a low threshold on the Tx Q, and are being asked to
- * supply a buffer for transmission from our S/W TX queues
- */
- TX_STATS_INC(portId,txLowThreshCallback);
-
- /*
- * Get buffers from approprite Q.
- */
-
-#ifndef NDEBUG
- if (!IX_ETH_ACC_IS_PORT_VALID(portId))
- {
- ixEthAccDataStats.unexpectedError++;
- IX_ETH_ACC_FATAL_LOG(
- "ixEthTxFrameQMCallback:Error: Invalid Port 0x%08X\n",
- portId, 0, 0, 0, 0, 0);
- return;
- }
-#endif
-
- do
- {
- /*
- * Consume Q entries. - Note Q contains Physical addresss,
- * and have already been flushed to memory,
- * and endianess already sone if required.
- */
-
- IX_ETH_ACC_DATA_PLANE_LOCK(lockVal);
-
- if(ixEthAccTxSwQHighestPriorityGet(portId, &highestPriority) ==
- IX_ETH_ACC_FAIL)
- {
- /*
- * No more entries in s/w Q.
- * Turn off Q callback indication
- */
- qStatus = ixQMgrNotificationDisable(
- IX_ETH_ACC_PORT_TO_TX_Q_ID(portId));
-
- IX_ETH_ACC_DATA_PLANE_UNLOCK(lockVal);
-
- if (qStatus != IX_SUCCESS)
- {
- ixEthAccDataStats.unexpectedError++;
- IX_ETH_ACC_FATAL_LOG(
- "ixEthTxFrameQMCallback:Error: unexpected QM status 0x%08X\n",
- qStatus, 0, 0, 0, 0, 0);
- }
-
- return;
- }
- else
- {
- IX_ETH_ACC_DATA_PLANE_UNLOCK(lockVal);
- if (ixEthAccTxFromSwQ(portId,highestPriority)!=IX_SUCCESS)
- {
- /* nothing left in the sw queue or the hw queues are
- * full. There is no point to continue to drain the
- * sw queues
- */
- return;
- }
- }
- }
- while (--maxQWritesToPerform);
-}
-
-/**
- * @brief TxDone event handler
- *
- * Design note : while processing the entry X, entry X+1 is preloaded
- * into memory to reduce the number of stall cycles
- *
- */
-
-void
-ixEthTxFrameDoneQMCallback(IxQMgrQId qId, IxQMgrCallbackId callbackId)
-{
- IX_OSAL_MBUF *mbufPtr;
- UINT32 qEntry;
- UINT32 *qEntryPtr;
- UINT32 txDoneQReadStatus;
- UINT32 portId;
- UINT32 npeId;
-
- /*
- * Design note : entries are read in a static buffer, This buffer contains
- * an extra entyry (which is zeroed by the compiler), so the loop will
- * always terminate on a null entry, whatever the result of Burst read is.
- */
- static UINT32 txDoneQEntry[IX_ETH_ACC_MAX_TX_FRAME_DONE_CONSUME_PER_CALLBACK + 1];
-
- /*
- * Indication that Tx frames have been transmitted from the NPE.
- */
-
- IX_ETH_ACC_STATS_INC(ixEthAccDataStats.txDoneCallbackCounter);
-
- do{
- qEntryPtr = txDoneQEntry;
- txDoneQReadStatus = ixQMgrQBurstRead(IX_ETH_ACC_TX_FRAME_DONE_ETH_Q,
- IX_ETH_ACC_MAX_TX_FRAME_DONE_CONSUME_PER_CALLBACK,
- qEntryPtr);
-
-#ifndef NDEBUG
- if (txDoneQReadStatus != IX_QMGR_Q_UNDERFLOW
- && (txDoneQReadStatus != IX_SUCCESS))
- {
- /*major error*/
- ixEthAccDataStats.unexpectedError++;
- IX_ETH_ACC_FATAL_LOG(
- "ixEthTxFrameDoneQMCallback:Error: %u\n",
- (UINT32)txDoneQReadStatus, 0, 0, 0, 0, 0);
- return;
- }
-#endif
-
- qEntry = *qEntryPtr;
-
- while(qEntry != 0)
- {
- mbufPtr = ixEthAccEntryFromQConvert(qEntry,
- IX_ETHNPE_QM_Q_TXENET_ADDR_MASK);
-
-#ifndef NDEBUG
- if (mbufPtr == NULL)
- {
- ixEthAccDataStats.unexpectedError++;
- IX_ETH_ACC_FATAL_LOG(
- "ixEthTxFrameDoneQMCallback:Error: Null Mbuf Ptr\n",
- 0, 0, 0, 0, 0, 0);
- return;
- }
-#endif
-
- /* endianness conversions and stats updates */
- ixEthAccMbufFromTxQ(mbufPtr);
-
- /*
- * Get NPE id from message, then convert to portId.
- */
- npeId = ((IX_ETHNPE_QM_Q_TXENETDONE_NPEID_MASK &
- qEntry) >>
- IX_ETHNPE_QM_Q_FIELD_NPEID_R);
- 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)
- {
- ixEthAccDataStats.unexpectedError++;
- IX_ETH_ACC_FATAL_LOG(
- "ixEthTxFrameDoneQMCallback: Illegal port: %u\n",
- (UINT32)portId, 0, 0, 0, 0, 0);
- return;
- }
-#endif
-
- TX_STATS_INC(portId,txDoneClientCallback);
-
- /*
- * Call user level callback.
- */
- ixEthAccPortData[portId].ixEthAccTxData.txBufferDoneCallbackFn(
- ixEthAccPortData[portId].ixEthAccTxData.txCallbackTag,
- mbufPtr);
-
- /* move to next queue entry */
- qEntry = *(++qEntryPtr);
-
- }
- } while( txDoneQReadStatus == IX_SUCCESS );
-}
-
-IX_ETH_ACC_PUBLIC
-void ixEthAccDataPlaneShow(void)
-{
- UINT32 numTx0Entries;
- UINT32 numTx1Entries;
- UINT32 numTxDoneEntries;
- UINT32 numRxEntries;
- UINT32 numRxFree0Entries;
- UINT32 numRxFree1Entries;
- UINT32 portId;
-#ifdef __ixp46X
- UINT32 numTx2Entries;
- UINT32 numRxFree2Entries;
-#endif
-#ifndef NDEBUG
- UINT32 priority;
- UINT32 numBuffersInRx=0;
- UINT32 numBuffersInTx=0;
- UINT32 numBuffersInSwQ=0;
- UINT32 totalBuffers=0;
- UINT32 rxFreeCallbackCounter = 0;
- UINT32 txCallbackCounter = 0;
-#endif
- UINT32 key;
-
- /* snapshot of stats */
- IxEthAccTxDataStats tx[IX_ETH_ACC_NUMBER_OF_PORTS];
- IxEthAccRxDataStats rx[IX_ETH_ACC_NUMBER_OF_PORTS];
- IxEthAccDataPlaneStats stats;
-
- if (!IX_ETH_ACC_IS_SERVICE_INITIALIZED())
- {
- return;
- }
-
- /* get a reliable snapshot */
- key = ixOsalIrqLock();
-
- numTx0Entries = 0;
- ixQMgrQNumEntriesGet(IX_ETH_ACC_TX_FRAME_ENET0_Q, &numTx0Entries);
- numTx1Entries = 0;
- ixQMgrQNumEntriesGet(IX_ETH_ACC_TX_FRAME_ENET1_Q, &numTx1Entries);
- numTxDoneEntries = 0;
- ixQMgrQNumEntriesGet( IX_ETH_ACC_TX_FRAME_DONE_ETH_Q, &numTxDoneEntries);
- numRxEntries = 0;
- ixEthAccQMgrRxQEntryGet(&numRxEntries);
- numRxFree0Entries = 0;
- ixQMgrQNumEntriesGet(IX_ETH_ACC_RX_FREE_BUFF_ENET0_Q, &numRxFree0Entries);
- numRxFree1Entries = 0;
- ixQMgrQNumEntriesGet(IX_ETH_ACC_RX_FREE_BUFF_ENET1_Q, &numRxFree1Entries);
-
-#ifdef __ixp46X
- numTx2Entries = 0;
- ixQMgrQNumEntriesGet(IX_ETH_ACC_TX_FRAME_ENET2_Q, &numTx2Entries);
- numRxFree2Entries = 0;
- ixQMgrQNumEntriesGet(IX_ETH_ACC_RX_FREE_BUFF_ENET2_Q, &numRxFree2Entries);
-#endif
-
- for(portId=IX_ETH_PORT_1; portId < IX_ETH_ACC_NUMBER_OF_PORTS; portId++)
- {
- memcpy(&tx[portId],
- &ixEthAccPortData[portId].ixEthAccTxData.stats,
- sizeof(tx[portId]));
- memcpy(&rx[portId],
- &ixEthAccPortData[portId].ixEthAccRxData.stats,
- sizeof(rx[portId]));
- }
- memcpy(&stats, &ixEthAccDataStats, sizeof(stats));
-
- ixOsalIrqUnlock(key);
-
-#ifdef NDEBUG
- printf("Detailed statistics collection not supported in this load\n");
-#endif
-
- /* print snapshot */
- for(portId=0; portId < IX_ETH_ACC_NUMBER_OF_PORTS; portId++)
- {
- /* If not IXP42X A0 stepping, proceed to check for existence of coprocessors */
- if ((IX_FEATURE_CTRL_SILICON_TYPE_A0 !=
- (ixFeatureCtrlProductIdRead() & IX_FEATURE_CTRL_SILICON_STEPPING_MASK))
- || (IX_FEATURE_CTRL_DEVICE_TYPE_IXP42X != ixFeatureCtrlDeviceRead ()))
- {
- if ((IX_ETH_PORT_1 == portId) &&
- (ixFeatureCtrlComponentCheck(IX_FEATURECTRL_ETH0) ==
- IX_FEATURE_CTRL_COMPONENT_DISABLED))
- {
- continue ;
- }
- if ((IX_ETH_PORT_2 == portId) &&
- (ixFeatureCtrlComponentCheck(IX_FEATURECTRL_ETH1) ==
- IX_FEATURE_CTRL_COMPONENT_DISABLED))
- {
- continue ;
- }
- if ((IX_ETH_PORT_3 == portId) &&
- (ixFeatureCtrlComponentCheck(IX_FEATURECTRL_NPEA_ETH) ==
- IX_FEATURE_CTRL_COMPONENT_DISABLED))
- {
- continue ;
- }
- }
-
- printf("PORT %u --------------------------------\n",
- portId);
-#ifndef NDEBUG
- printf("Tx Done Frames : %u\n",
- tx[portId].txDoneClientCallback +
- tx[portId].txDoneSwQDuringDisable +
- tx[portId].txDoneDuringDisable);
- printf("Tx Frames : %u\n",
- tx[portId].txQOK + tx[portId].txQDelayed);
- printf("Tx H/W Q Added OK : %u\n",
- tx[portId].txQOK);
- printf("Tx H/W Q Delayed : %u\n",
- tx[portId].txQDelayed);
- printf("Tx From S/W Q Added OK : %u\n",
- tx[portId].txFromSwQOK);
- printf("Tx From S/W Q Delayed : %u\n",
- tx[portId].txFromSwQDelayed);
- printf("Tx Overflow : %u\n",
- tx[portId].txOverflow);
- printf("Tx Mutual Lock : %u\n",
- tx[portId].txLock);
- printf("Tx Late Ntf Enabled : %u\n",
- tx[portId].txLateNotificationEnabled);
- printf("Tx Low Thresh CB : %u\n",
- tx[portId].txLowThreshCallback);
- printf("Tx Done from H/W Q (Disable) : %u\n",
- tx[portId].txDoneDuringDisable);
- printf("Tx Done from S/W Q (Disable) : %u\n",
- tx[portId].txDoneSwQDuringDisable);
- for (priority = IX_ETH_ACC_TX_PRIORITY_0;
- priority <= IX_ETH_ACC_TX_PRIORITY_7;
- priority++)
- {
- if (tx[portId].txPriority[priority])
- {
- printf("Tx Priority %u : %u\n",
- priority,
- tx[portId].txPriority[priority]);
- }
- }
-#endif
- printf("Tx unexpected errors : %u (should be 0)\n",
- tx[portId].txUnexpectedError);
-
-#ifndef NDEBUG
- printf("Rx Frames : %u\n",
- rx[portId].rxFrameClientCallback +
- rx[portId].rxSwQDuringDisable+
- rx[portId].rxDuringDisable);
- printf("Rx Free Replenish : %u\n",
- rx[portId].rxFreeRepOK + rx[portId].rxFreeRepDelayed);
- printf("Rx Free H/W Q Added OK : %u\n",
- rx[portId].rxFreeRepOK);
- printf("Rx Free H/W Q Delayed : %u\n",
- rx[portId].rxFreeRepDelayed);
- printf("Rx Free From S/W Q Added OK : %u\n",
- rx[portId].rxFreeRepFromSwQOK);
- printf("Rx Free From S/W Q Delayed : %u\n",
- rx[portId].rxFreeRepFromSwQDelayed);
- printf("Rx Free Overflow : %u\n",
- rx[portId].rxFreeOverflow);
- printf("Rx Free Mutual Lock : %u\n",
- rx[portId].rxFreeLock);
- printf("Rx Free Late Ntf Enabled : %u\n",
- rx[portId].rxFreeLateNotificationEnabled);
- printf("Rx Free Low CB : %u\n",
- rx[portId].rxFreeLowCallback);
- printf("Rx From H/W Q (Disable) : %u\n",
- rx[portId].rxDuringDisable);
- printf("Rx From S/W Q (Disable) : %u\n",
- rx[portId].rxSwQDuringDisable);
- printf("Rx unlearned Mac Address : %u\n",
- rx[portId].rxUnlearnedMacAddress);
- printf("Rx Filtered (Rx => RxFree) : %u\n",
- rx[portId].rxFiltered);
-
- for (priority = IX_ETH_ACC_TX_PRIORITY_0;
- priority <= IX_ETH_ACC_TX_PRIORITY_7;
- priority++)
- {
- if (rx[portId].rxPriority[priority])
- {
- printf("Rx Priority %u : %u\n",
- priority,
- rx[portId].rxPriority[priority]);
- }
- }
-#endif
- printf("Rx unexpected errors : %u (should be 0)\n",
- rx[portId].rxUnexpectedError);
-
-#ifndef NDEBUG
- numBuffersInTx = tx[portId].txQOK +
- tx[portId].txQDelayed -
- tx[portId].txDoneClientCallback -
- tx[portId].txDoneSwQDuringDisable -
- tx[portId].txDoneDuringDisable;
-
- printf("# Tx Buffers currently for transmission : %u\n",
- numBuffersInTx);
-
- numBuffersInRx = rx[portId].rxFreeRepOK +
- rx[portId].rxFreeRepDelayed -
- rx[portId].rxFrameClientCallback -
- rx[portId].rxSwQDuringDisable -
- rx[portId].rxDuringDisable;
-
- printf("# Rx Buffers currently for reception : %u\n",
- numBuffersInRx);
-
- totalBuffers += numBuffersInRx + numBuffersInTx;
-#endif
- }
-
- printf("---------------------------------------\n");
-
-#ifndef NDEBUG
- printf("\n");
- printf("Mbufs :\n");
- printf("Tx Unchained mbufs : %u\n",
- stats.unchainedTxMBufs);
- printf("Tx Chained bufs : %u\n",
- stats.chainedTxMBufs);
- printf("TxDone Unchained mbufs : %u\n",
- stats.unchainedTxDoneMBufs);
- printf("TxDone Chained bufs : %u\n",
- stats.chainedTxDoneMBufs);
- printf("RxFree Unchained mbufs : %u\n",
- stats.unchainedRxFreeMBufs);
- printf("RxFree Chained bufs : %u\n",
- stats.chainedRxFreeMBufs);
- printf("Rx Unchained mbufs : %u\n",
- stats.unchainedRxMBufs);
- printf("Rx Chained bufs : %u\n",
- stats.chainedRxMBufs);
-
- printf("\n");
- printf("Software queue usage :\n");
- printf("Buffers added to S/W Q : %u\n",
- stats.addToSwQ);
- printf("Buffers removed from S/W Q : %u\n",
- stats.removeFromSwQ);
-
- printf("\n");
- printf("Hardware queues callbacks :\n");
-
- for(portId=0; portId < IX_ETH_ACC_NUMBER_OF_PORTS; portId++)
- {
- rxFreeCallbackCounter += rx[portId].rxFreeLowCallback;
- txCallbackCounter += tx[portId].txLowThreshCallback;
- }
- printf("Tx Done QM Callback invoked : %u\n",
- stats.txDoneCallbackCounter);
- printf("Tx QM Callback invoked : %u\n",
- txCallbackCounter);
- printf("Rx QM Callback invoked : %u\n",
- stats.rxCallbackCounter);
- printf("Rx QM Callback burst read : %u\n",
- stats.rxCallbackBurstRead);
- printf("Rx Free QM Callback invoked : %u\n",
- rxFreeCallbackCounter);
-#endif
- printf("Unexpected errors in CB : %u (should be 0)\n",
- stats.unexpectedError);
- printf("\n");
-
- printf("Hardware queues levels :\n");
- printf("Transmit Port 1 Q : %u \n",numTx0Entries);
- printf("Transmit Port 2 Q : %u \n",numTx1Entries);
-#ifdef __ixp46X
- printf("Transmit Port 3 Q : %u \n",numTx2Entries);
-#endif
- printf("Transmit Done Q : %u \n",numTxDoneEntries);
- printf("Receive Q : %u \n",numRxEntries);
- printf("Receive Free Port 1 Q : %u \n",numRxFree0Entries);
- printf("Receive Free Port 2 Q : %u \n",numRxFree1Entries);
-#ifdef __ixp46X
- printf("Receive Free Port 3 Q : %u \n",numRxFree2Entries);
-#endif
-
-#ifndef NDEBUG
- printf("\n");
- printf("# Total Buffers accounted for : %u\n",
- totalBuffers);
-
- numBuffersInSwQ = ixEthAccDataStats.addToSwQ -
- ixEthAccDataStats.removeFromSwQ;
-
- printf(" Buffers in S/W Qs : %u\n",
- numBuffersInSwQ);
- printf(" Buffers in H/W Qs or NPEs : %u\n",
- totalBuffers - numBuffersInSwQ);
-#endif
-
- printf("Rx QoS Discipline : %s\n",
- (ixEthAccDataInfo.schDiscipline ==
- FIFO_PRIORITY ) ? "Enabled" : "Disabled");
-
- for(portId=0; portId < IX_ETH_ACC_NUMBER_OF_PORTS; portId++)
- {
- printf("Tx QoS Discipline port %u : %s\n",
- portId,
- (ixEthAccPortData[portId].ixEthAccTxData.schDiscipline ==
- FIFO_PRIORITY ) ? "Enabled" : "Disabled");
- }
- printf("\n");
-}
-
-
-
-
-