1 files changed, 423 insertions, 0 deletions
diff --git a/drivers/net/ethernet/freescale/sdk_fman/Peripherals/FM/Pcd/fm_prs.c b/drivers/net/ethernet/freescale/sdk_fman/Peripherals/FM/Pcd/fm_prs.c
new file mode 100644
index 000000000000..ff4f0a2f23cb
--- /dev/null
+++ b/drivers/net/ethernet/freescale/sdk_fman/Peripherals/FM/Pcd/fm_prs.c
@@ -0,0 +1,423 @@
+/*
+ * Copyright 2008-2012 Freescale Semiconductor Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of Freescale Semiconductor nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ *
+ * ALTERNATIVELY, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") as published by the Free Software
+ * Foundation, either version 2 of that License or (at your option) any
+ * later version.
+ *
+ * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+
+/******************************************************************************
+ @File          fm_pcd.c
+
+ @Description   FM PCD ...
+*//***************************************************************************/
+#include <linux/math64.h>
+#include "std_ext.h"
+#include "error_ext.h"
+#include "string_ext.h"
+#include "debug_ext.h"
+#include "net_ext.h"
+
+#include "fm_common.h"
+#include "fm_pcd.h"
+#include "fm_pcd_ipc.h"
+#include "fm_prs.h"
+#include "fsl_fman_prs.h"
+
+
+static void PcdPrsErrorException(t_Handle h_FmPcd)
+{
+    t_FmPcd                 *p_FmPcd = (t_FmPcd *)h_FmPcd;
+    uint32_t                event, ev_mask;
+    struct fman_prs_regs     *PrsRegs = (struct fman_prs_regs *)p_FmPcd->p_FmPcdPrs->p_FmPcdPrsRegs;
+
+    ASSERT_COND(p_FmPcd->guestId == NCSW_MASTER_ID);
+    ev_mask = fman_prs_get_err_ev_mask(PrsRegs);
+
+    event = fman_prs_get_err_event(PrsRegs, ev_mask);
+
+    fman_prs_ack_err_event(PrsRegs, event);
+
+    DBG(TRACE, ("parser error - 0x%08x\n",event));
+
+    if(event & FM_PCD_PRS_DOUBLE_ECC)
+        p_FmPcd->f_Exception(p_FmPcd->h_App,e_FM_PCD_PRS_EXCEPTION_DOUBLE_ECC);
+}
+
+static void PcdPrsException(t_Handle h_FmPcd)
+{
+    t_FmPcd             *p_FmPcd = (t_FmPcd *)h_FmPcd;
+    uint32_t            event, ev_mask;
+    struct fman_prs_regs     *PrsRegs = (struct fman_prs_regs *)p_FmPcd->p_FmPcdPrs->p_FmPcdPrsRegs;
+
+    ASSERT_COND(p_FmPcd->guestId == NCSW_MASTER_ID);
+    ev_mask = fman_prs_get_expt_ev_mask(PrsRegs);
+    event = fman_prs_get_expt_event(PrsRegs, ev_mask);
+
+    ASSERT_COND(event & FM_PCD_PRS_SINGLE_ECC);
+
+    DBG(TRACE, ("parser event - 0x%08x\n",event));
+
+    fman_prs_ack_expt_event(PrsRegs, event);
+
+    p_FmPcd->f_Exception(p_FmPcd->h_App,e_FM_PCD_PRS_EXCEPTION_SINGLE_ECC);
+}
+
+t_Handle PrsConfig(t_FmPcd *p_FmPcd,t_FmPcdParams *p_FmPcdParams)
+{
+    t_FmPcdPrs  *p_FmPcdPrs;
+    uintptr_t   baseAddr;
+
+    UNUSED(p_FmPcd);
+    UNUSED(p_FmPcdParams);
+
+    p_FmPcdPrs = (t_FmPcdPrs *) XX_Malloc(sizeof(t_FmPcdPrs));
+    if (!p_FmPcdPrs)
+    {
+        REPORT_ERROR(MAJOR, E_NO_MEMORY, ("FM Parser structure allocation FAILED"));
+        return NULL;
+    }
+    memset(p_FmPcdPrs, 0, sizeof(t_FmPcdPrs));
+    fman_prs_defconfig(&p_FmPcd->p_FmPcdDriverParam->dfltCfg);
+
+    if (p_FmPcd->guestId == NCSW_MASTER_ID)
+    {
+        baseAddr = FmGetPcdPrsBaseAddr(p_FmPcdParams->h_Fm);
+        p_FmPcdPrs->p_SwPrsCode  = (uint32_t *)UINT_TO_PTR(baseAddr);
+        p_FmPcdPrs->p_FmPcdPrsRegs  = (struct fman_prs_regs *)UINT_TO_PTR(baseAddr + PRS_REGS_OFFSET);
+    }
+
+    p_FmPcdPrs->fmPcdPrsPortIdStatistics = p_FmPcd->p_FmPcdDriverParam->dfltCfg.port_id_stat;
+    p_FmPcd->p_FmPcdDriverParam->prsMaxParseCycleLimit = p_FmPcd->p_FmPcdDriverParam->dfltCfg.max_prs_cyc_lim;
+    p_FmPcd->exceptions |= p_FmPcd->p_FmPcdDriverParam->dfltCfg.prs_exceptions;
+
+    return p_FmPcdPrs;
+}
+
+#if ((DPAA_VERSION == 10) && defined(FM_CAPWAP_SUPPORT))
+    static uint8_t             swPrsPatch[] = SW_PRS_UDP_LITE_PATCH;
+#else
+    static uint8_t             swPrsPatch[] = SW_PRS_OFFLOAD_PATCH;
+#endif /* FM_CAPWAP_SUPPORT */
+
+t_Error PrsInit(t_FmPcd *p_FmPcd)
+{
+    t_FmPcdDriverParam  *p_Param = p_FmPcd->p_FmPcdDriverParam;
+    uint32_t            *p_TmpCode;
+    uint32_t            *p_LoadTarget = (uint32_t *)PTR_MOVE(p_FmPcd->p_FmPcdPrs->p_SwPrsCode,
+                                                             FM_PCD_SW_PRS_SIZE-FM_PCD_PRS_SW_PATCHES_SIZE);
+    struct fman_prs_regs *PrsRegs = (struct fman_prs_regs *)p_FmPcd->p_FmPcdPrs->p_FmPcdPrsRegs;
+    uint32_t            i;
+
+    ASSERT_COND(sizeof(swPrsPatch) <= (FM_PCD_PRS_SW_PATCHES_SIZE-FM_PCD_PRS_SW_TAIL_SIZE));
+
+    /* nothing to do in guest-partition */
+    if (p_FmPcd->guestId != NCSW_MASTER_ID)
+        return E_OK;
+
+    p_TmpCode = (uint32_t *)XX_MallocSmart(ROUND_UP(sizeof(swPrsPatch),4), 0, sizeof(uint32_t));
+    if (!p_TmpCode)
+        RETURN_ERROR(MAJOR, E_NO_MEMORY, ("Tmp Sw-Parser code allocation FAILED"));
+    memset((uint8_t *)p_TmpCode, 0, ROUND_UP(sizeof(swPrsPatch),4));
+    memcpy((uint8_t *)p_TmpCode, (uint8_t *)swPrsPatch, sizeof(swPrsPatch));
+
+    fman_prs_init(PrsRegs, &p_Param->dfltCfg);
+
+    /* register even if no interrupts enabled, to allow future enablement */
+    FmRegisterIntr(p_FmPcd->h_Fm, e_FM_MOD_PRS, 0, e_FM_INTR_TYPE_ERR, PcdPrsErrorException, p_FmPcd);
+
+    /* register even if no interrupts enabled, to allow future enablement */
+    FmRegisterIntr(p_FmPcd->h_Fm, e_FM_MOD_PRS, 0, e_FM_INTR_TYPE_NORMAL, PcdPrsException, p_FmPcd);
+
+    if(p_FmPcd->exceptions & FM_PCD_EX_PRS_SINGLE_ECC)
+        FmEnableRamsEcc(p_FmPcd->h_Fm);
+
+    if(p_FmPcd->exceptions & FM_PCD_EX_PRS_DOUBLE_ECC)
+        FmEnableRamsEcc(p_FmPcd->h_Fm);
+
+    /* load sw parser Ip-Frag patch */
+    for (i=0; i<DIV_CEIL(sizeof(swPrsPatch), 4); i++)
+        WRITE_UINT32(p_LoadTarget[i], GET_UINT32(p_TmpCode[i]));
+
+    XX_FreeSmart(p_TmpCode);
+
+    return E_OK;
+}
+
+void PrsFree(t_FmPcd *p_FmPcd)
+{
+    ASSERT_COND(p_FmPcd->guestId == NCSW_MASTER_ID);
+    FmUnregisterIntr(p_FmPcd->h_Fm, e_FM_MOD_PRS, 0, e_FM_INTR_TYPE_ERR);
+    /* register even if no interrupts enabled, to allow future enablement */
+    FmUnregisterIntr(p_FmPcd->h_Fm, e_FM_MOD_PRS, 0, e_FM_INTR_TYPE_NORMAL);
+}
+
+void PrsEnable(t_FmPcd *p_FmPcd)
+{
+    struct fman_prs_regs *PrsRegs = (struct fman_prs_regs *)p_FmPcd->p_FmPcdPrs->p_FmPcdPrsRegs;
+
+    ASSERT_COND(p_FmPcd->guestId == NCSW_MASTER_ID);
+    fman_prs_enable(PrsRegs);
+}
+
+void PrsDisable(t_FmPcd *p_FmPcd)
+{
+    struct fman_prs_regs *PrsRegs = (struct fman_prs_regs *)p_FmPcd->p_FmPcdPrs->p_FmPcdPrsRegs;
+
+    ASSERT_COND(p_FmPcd->guestId == NCSW_MASTER_ID);
+    fman_prs_disable(PrsRegs);
+}
+
+int PrsIsEnabled(t_FmPcd *p_FmPcd)
+{
+    struct fman_prs_regs *PrsRegs = (struct fman_prs_regs *)p_FmPcd->p_FmPcdPrs->p_FmPcdPrsRegs;
+
+    ASSERT_COND(p_FmPcd->guestId == NCSW_MASTER_ID);
+    return fman_prs_is_enabled(PrsRegs);
+}
+
+t_Error PrsIncludePortInStatistics(t_FmPcd *p_FmPcd, uint8_t hardwarePortId, bool include)
+{
+    struct fman_prs_regs *PrsRegs;
+    uint32_t    bitMask = 0;
+    uint8_t     prsPortId;
+
+    SANITY_CHECK_RETURN_ERROR((hardwarePortId >=1 && hardwarePortId <= 16), E_INVALID_VALUE);
+    SANITY_CHECK_RETURN_ERROR(p_FmPcd, E_INVALID_HANDLE);
+    SANITY_CHECK_RETURN_ERROR(p_FmPcd->p_FmPcdPrs, E_INVALID_HANDLE);
+
+    PrsRegs = (struct fman_prs_regs *)p_FmPcd->p_FmPcdPrs->p_FmPcdPrsRegs;
+
+    GET_FM_PCD_PRS_PORT_ID(prsPortId, hardwarePortId);
+    GET_FM_PCD_INDEX_FLAG(bitMask, prsPortId);
+
+    if (include)
+        p_FmPcd->p_FmPcdPrs->fmPcdPrsPortIdStatistics |= bitMask;
+    else
+        p_FmPcd->p_FmPcdPrs->fmPcdPrsPortIdStatistics &= ~bitMask;
+
+    fman_prs_set_stst_port_msk(PrsRegs,
+            p_FmPcd->p_FmPcdPrs->fmPcdPrsPortIdStatistics);
+
+    return E_OK;
+}
+
+t_Error FmPcdPrsIncludePortInStatistics(t_Handle h_FmPcd, uint8_t hardwarePortId, bool include)
+{
+    t_FmPcd                     *p_FmPcd = (t_FmPcd *)h_FmPcd;
+    t_Error                     err;
+
+    SANITY_CHECK_RETURN_ERROR((hardwarePortId >=1 && hardwarePortId <= 16), E_INVALID_VALUE);
+    SANITY_CHECK_RETURN_ERROR(p_FmPcd, E_INVALID_HANDLE);
+    SANITY_CHECK_RETURN_ERROR(p_FmPcd->p_FmPcdPrs, E_INVALID_HANDLE);
+
+    if ((p_FmPcd->guestId != NCSW_MASTER_ID) &&
+        p_FmPcd->h_IpcSession)
+    {
+        t_FmPcdIpcPrsIncludePort    prsIncludePortParams;
+        t_FmPcdIpcMsg               msg;
+
+        prsIncludePortParams.hardwarePortId = hardwarePortId;
+        prsIncludePortParams.include = include;
+        memset(&msg, 0, sizeof(msg));
+        msg.msgId = FM_PCD_PRS_INC_PORT_STATS;
+        memcpy(msg.msgBody, &prsIncludePortParams, sizeof(prsIncludePortParams));
+        err = XX_IpcSendMessage(p_FmPcd->h_IpcSession,
+                                (uint8_t*)&msg,
+                                sizeof(msg.msgId) +sizeof(prsIncludePortParams),
+                                NULL,
+                                NULL,
+                                NULL,
+                                NULL);
+        if (err != E_OK)
+            RETURN_ERROR(MAJOR, err, NO_MSG);
+        return E_OK;
+    }
+    else if (p_FmPcd->guestId != NCSW_MASTER_ID)
+        RETURN_ERROR(MINOR, E_NOT_SUPPORTED,
+                     ("running in guest-mode without IPC!"));
+
+    return PrsIncludePortInStatistics(p_FmPcd, hardwarePortId, include);
+}
+
+uint32_t FmPcdGetSwPrsOffset(t_Handle h_FmPcd, e_NetHeaderType hdr, uint8_t indexPerHdr)
+{
+    t_FmPcd                 *p_FmPcd = (t_FmPcd *)h_FmPcd;
+    t_FmPcdPrsLabelParams   *p_Label;
+    int                     i;
+
+    SANITY_CHECK_RETURN_VALUE(p_FmPcd, E_INVALID_HANDLE, 0);
+    SANITY_CHECK_RETURN_VALUE(!p_FmPcd->p_FmPcdDriverParam, E_INVALID_HANDLE, 0);
+
+    if ((p_FmPcd->guestId != NCSW_MASTER_ID) &&
+        p_FmPcd->h_IpcSession)
+    {
+        t_Error                 err = E_OK;
+        t_FmPcdIpcSwPrsLable    labelParams;
+        t_FmPcdIpcMsg           msg;
+        uint32_t                prsOffset = 0;
+        t_FmPcdIpcReply         reply;
+        uint32_t                replyLength;
+
+        memset(&reply, 0, sizeof(reply));
+        memset(&msg, 0, sizeof(msg));
+        labelParams.enumHdr = (uint32_t)hdr;
+        labelParams.indexPerHdr = indexPerHdr;
+        msg.msgId = FM_PCD_GET_SW_PRS_OFFSET;
+        memcpy(msg.msgBody, &labelParams, sizeof(labelParams));
+        replyLength = sizeof(uint32_t) + sizeof(uint32_t);
+        err = XX_IpcSendMessage(p_FmPcd->h_IpcSession,
+                                (uint8_t*)&msg,
+                                sizeof(msg.msgId) +sizeof(labelParams),
+                                (uint8_t*)&reply,
+                                &replyLength,
+                                NULL,
+                                NULL);
+        if (err != E_OK)
+            RETURN_ERROR(MAJOR, err, NO_MSG);
+        if (replyLength != sizeof(uint32_t) + sizeof(uint32_t))
+            RETURN_ERROR(MAJOR, E_INVALID_VALUE, ("IPC reply length mismatch"));
+
+        memcpy((uint8_t*)&prsOffset, reply.replyBody, sizeof(uint32_t));
+        return prsOffset;
+    }
+    else if (p_FmPcd->guestId != NCSW_MASTER_ID)
+        RETURN_ERROR(MINOR, E_NOT_SUPPORTED,
+                     ("running in guest-mode without IPC!"));
+
+    ASSERT_COND(p_FmPcd->p_FmPcdPrs->currLabel < FM_PCD_PRS_NUM_OF_LABELS);
+
+    for (i=0; i<p_FmPcd->p_FmPcdPrs->currLabel; i++)
+    {
+        p_Label = &p_FmPcd->p_FmPcdPrs->labelsTable[i];
+
+        if ((hdr == p_Label->hdr) && (indexPerHdr == p_Label->indexPerHdr))
+            return p_Label->instructionOffset;
+    }
+
+    REPORT_ERROR(MAJOR, E_NOT_FOUND, ("Sw Parser attachment Not found"));
+    return (uint32_t)ILLEGAL_BASE;
+}
+
+void FM_PCD_SetPrsStatistics(t_Handle h_FmPcd, bool enable)
+{
+    t_FmPcd             *p_FmPcd = (t_FmPcd*)h_FmPcd;
+    struct fman_prs_regs *PrsRegs;
+
+    SANITY_CHECK_RETURN(p_FmPcd, E_INVALID_HANDLE);
+    SANITY_CHECK_RETURN(p_FmPcd->p_FmPcdPrs, E_INVALID_HANDLE);
+
+    PrsRegs = (struct fman_prs_regs *)p_FmPcd->p_FmPcdPrs->p_FmPcdPrsRegs;
+
+
+    if(p_FmPcd->guestId != NCSW_MASTER_ID)
+    {
+        REPORT_ERROR(MAJOR, E_NOT_SUPPORTED, ("FM_PCD_SetPrsStatistics - guest mode!"));
+        return;
+    }
+
+    fman_prs_set_stst(PrsRegs, enable);
+}
+
+t_Error FM_PCD_PrsLoadSw(t_Handle h_FmPcd, t_FmPcdPrsSwParams *p_SwPrs)
+{
+    t_FmPcd                 *p_FmPcd = (t_FmPcd*)h_FmPcd;
+    uint32_t                *p_LoadTarget;
+    uint32_t                *p_TmpCode;
+    int                     i;
+
+    SANITY_CHECK_RETURN_ERROR(p_FmPcd, E_INVALID_HANDLE);
+    SANITY_CHECK_RETURN_ERROR(!p_FmPcd->p_FmPcdDriverParam, E_INVALID_STATE);
+    SANITY_CHECK_RETURN_ERROR(p_FmPcd->p_FmPcdPrs, E_INVALID_STATE);
+    SANITY_CHECK_RETURN_ERROR(p_SwPrs, E_INVALID_HANDLE);
+    SANITY_CHECK_RETURN_ERROR(!p_FmPcd->enabled, E_INVALID_HANDLE);
+
+    if (p_FmPcd->guestId != NCSW_MASTER_ID)
+        RETURN_ERROR(MAJOR, E_NOT_SUPPORTED, ("FM in guest-mode!"));
+
+    if (!p_SwPrs->override)
+    {
+        if(p_FmPcd->p_FmPcdPrs->p_CurrSwPrs > p_FmPcd->p_FmPcdPrs->p_SwPrsCode + p_SwPrs->base*2/4)
+            RETURN_ERROR(MAJOR, E_INVALID_VALUE, ("SW parser base must be larger than current loaded code"));
+    }
+    else
+        p_FmPcd->p_FmPcdPrs->currLabel = 0;
+
+    if (p_SwPrs->size > FM_PCD_SW_PRS_SIZE - FM_PCD_PRS_SW_TAIL_SIZE - p_SwPrs->base*2)
+        RETURN_ERROR(MAJOR, E_INVALID_VALUE, ("p_SwPrs->size may not be larger than MAX_SW_PRS_CODE_SIZE"));
+
+    if (p_FmPcd->p_FmPcdPrs->currLabel + p_SwPrs->numOfLabels > FM_PCD_PRS_NUM_OF_LABELS)
+        RETURN_ERROR(MAJOR, E_INVALID_VALUE, ("Exceeded number of labels allowed "));
+
+    p_TmpCode = (uint32_t *)XX_MallocSmart(ROUND_UP(p_SwPrs->size,4), 0, sizeof(uint32_t));
+    if (!p_TmpCode)
+        RETURN_ERROR(MAJOR, E_NO_MEMORY, ("Tmp Sw-Parser code allocation FAILED"));
+    memset((uint8_t *)p_TmpCode, 0, ROUND_UP(p_SwPrs->size,4));
+    memcpy((uint8_t *)p_TmpCode, p_SwPrs->p_Code, p_SwPrs->size);
+
+    /* save sw parser labels */
+    memcpy(&p_FmPcd->p_FmPcdPrs->labelsTable[p_FmPcd->p_FmPcdPrs->currLabel],
+           p_SwPrs->labelsTable,
+           p_SwPrs->numOfLabels*sizeof(t_FmPcdPrsLabelParams));
+    p_FmPcd->p_FmPcdPrs->currLabel += p_SwPrs->numOfLabels;
+
+    /* load sw parser code */
+    p_LoadTarget = p_FmPcd->p_FmPcdPrs->p_SwPrsCode + p_SwPrs->base*2/4;
+
+    for(i=0; i<DIV_CEIL(p_SwPrs->size, 4); i++)
+        WRITE_UINT32(p_LoadTarget[i], GET_UINT32(p_TmpCode[i]));
+
+    p_FmPcd->p_FmPcdPrs->p_CurrSwPrs =
+        p_FmPcd->p_FmPcdPrs->p_SwPrsCode + p_SwPrs->base*2/4 + ROUND_UP(p_SwPrs->size,4);
+
+    /* copy data parameters */
+    for (i=0;i<FM_PCD_PRS_NUM_OF_HDRS;i++)
+        WRITE_UINT32(*(p_FmPcd->p_FmPcdPrs->p_SwPrsCode+PRS_SW_DATA/4+i), p_SwPrs->swPrsDataParams[i]);
+
+    /* Clear last 4 bytes */
+    WRITE_UINT32(*(p_FmPcd->p_FmPcdPrs->p_SwPrsCode+(PRS_SW_DATA-FM_PCD_PRS_SW_TAIL_SIZE)/4), 0);
+
+    XX_FreeSmart(p_TmpCode);
+
+    return E_OK;
+}
+
+t_Error FM_PCD_ConfigPrsMaxCycleLimit(t_Handle h_FmPcd,uint16_t value)
+{
+    t_FmPcd *p_FmPcd = (t_FmPcd*)h_FmPcd;
+
+    SANITY_CHECK_RETURN_ERROR(p_FmPcd, E_INVALID_HANDLE);
+    SANITY_CHECK_RETURN_ERROR(p_FmPcd->p_FmPcdDriverParam, E_INVALID_HANDLE);
+
+    if(p_FmPcd->guestId != NCSW_MASTER_ID)
+        RETURN_ERROR(MAJOR, E_NOT_SUPPORTED, ("FM_PCD_ConfigPrsMaxCycleLimit - guest mode!"));
+
+    p_FmPcd->p_FmPcdDriverParam->prsMaxParseCycleLimit = value;
+
+    return E_OK;
+}