SM.rar_NAS

/*=================================================================================================================== File: sm_network_func.c Description: This file implements detailed functions of network control state machine. Copyright (C) 2005-2007 MobilePeak Holdings, Ltd. Initial Author: Initial Version Date: Revision History : ===================================================================================================================*/ #include "sm_common.h" #include "sm_timer.h" #include "sm_qos.h" #include "sm_tft.h" #include "sm_pdp_address.h" #include "sm_context_ctrl.h" #include "sm_mm_api_func.h" #include "sm_network_func.h" #if 0 /*------------------------------------------------------------------------------------------------------------------- Function: SM_APN_Convert Description: Convert APN value to air message format. Parameters: pDst - APN value output pSrc - APN value input Return: void -------------------------------------------------------------------------------------------------------------------*/ static void SM_APN_Convert(APN_t *pDst, APN_t *pSrc) { U8 i; U8 *pDstBuf = pDst->APN_Buf; U8 *pSrcBuf = pSrc->APN_Buf; U8 Counter = 0; U8 *pLen; pDst->LengthAPN_Buf = pSrc->LengthAPN_Buf+1; pLen = pDstBuf; for (i=0; i<pSrc->LengthAPN_Buf; i++) { pDstBuf++; if (*pSrcBuf == '.') { *pLen = Counter; Counter = 0; pLen = pDstBuf; } else { Counter++; *pDstBuf = *pSrcBuf; } pSrcBuf++; } *pLen = Counter; } #endif /*------------------------------------------------------------------------------------------------------------------- Function: SM_GetLinkTI Description: Get TI of primary context. Parameters: Nsapi - NSAPI value of the primary context Return: U8 -------------------------------------------------------------------------------------------------------------------*/ static U8 SM_GetLinkTI(U8 Nsapi) { SM_ContextData_t *pContext = g_SM_Data.SM_ContextArray[Nsapi - NSAPI5]; if (pContext->Flags & CONTEXT_SECONDARY) { return pContext->LinkedTI; } else { return pContext->TI; } } /*------------------------------------------------------------------------------------------------------------------- Function: SM_GetFreeTI Description: Search all the contexts and find the lowest useable TI. Parameters: pSM_ContextData - Pointer to the context data Return: U8 -------------------------------------------------------------------------------------------------------------------*/ static U8 SM_GetFreeTI(SM_ContextData_t *pSM_ContextData) { U8 Nsapi; U8 Index = 0; U16 FreeTI_Set = 0x07ff; /* First, mark all the useable TI. */ for (Nsapi=NSAPI5; Nsapi<MAX_NUM_NSAPI; Nsapi++) { SM_ContextData_t *pContext = NULL; pContext = g_SM_Data.SM_ContextArray[Nsapi - NSAPI5]; if (pContext != NULL && pContext != pSM_ContextData && (pContext->TI & TI_FLAG_MASK) == 0) { FreeTI_Set &= 0x07ff ^ (1 << pContext->TI); } } /* Then, find the lowest useable TI value base on the above search. */ TRACE_ASSERT(FreeTI_Set != 0); /* Number of context allocated TI must less 11, */ /* Find the lowest useable TI value base on the above search. */ while((Index<MAX_NSAPIS) && ((FreeTI_Set & (1<<Index)) == 0)) { Index++; } return Index; } /*------------------------------------------------------------------------------------------------------------------- Function: SM_NW_StartDeact Description: Start the deactivation procedure for the context. Parameters: pSM_ContextData - Pointer to the context data pData - SM_AAL_PDP_DeactivateReq_t * or NULL Return: void -------------------------------------------------------------------------------------------------------------------*/ static void SM_NW_StartDeact(SM_ContextData_t *pSM_ContextData, void *pData) { SDU_t *pPCO = NULL; SM_AAL_PDP_DeactivateReq_t *pPrim = (SM_AAL_PDP_DeactivateReq_t *)pData; /* Stop the active timer. */ SM_TimerStop(pSM_ContextData); /* Build DEACTIVATE REQUEST message to network. */ if (pPrim) { if (pPrim->PCO.L_Buf) { pPCO = &pPrim->PCO; } SM_BuildDeactivatePDP_ContextRequest(pSM_ContextData, pPCO, pPrim->TeardownInd); } else { SM_BuildDeactivatePDP_ContextRequest(pSM_ContextData, NULL, FALSE); } if (g_SM_Data.GMM_ConnectionStatus == GMM_CONNECTION_ACTIVE) { /* Start timer T3390. */ SM_TimerStart(pSM_ContextData, SM_TIMER_T3390); /* Send the built message to network. */ SM_SendBuiltDataToNW(pSM_ContextData->pCodedMsg); } else if (g_SM_Data.GMM_ConnectionStatus == GMM_CONNECTION_PENDING) { /* Do nothing. */ } else {/* GMM_CONNECTION_INACTIVE */ if (g_SM_Data.OutOfServiceFlag == 0) { SM_SendMM_EstablishReq(MM_EST_CAUSE_MO_HIGH_PRIO_SIGNALLING); } else { /* Procedure is the same to T3390 timeout. */ SM_NW_T3390_Max(pSM_ContextData, NULL); } } } /*------------------------------------------------------------------------------------------------------------------- Function: SM_StoreD_ModifyReqestParms Description: Store the parameters from the D_ModifyPDP_ContextRequest_t message, and return flags to indicate which parameters need update. Parameters: pSM_ContextData - Pointer to the context data pMsg - D_ModifyPDP_ContextRequest_t pUpdateFlags - Pointer to update flags Return: void -------------------------------------------------------------------------------------------------------------------*/ static void SM_StoreD_ModifyReqestParms(SM_ContextData_t *pSM_ContextData, D_ModifyPDP_ContextRequest_t *pMsg, U8 *pUpdateFlags) { U8 UpdateFlags; /* Store QOS parameter. */ SM_QOS_ToInner(&pSM_ContextData->NegotiatedQOS, &pMsg->QOS); UpdateFlags = UPDATE_QOS; /* Store Radio priority & SAPI parameters, if present. */ if (pSM_ContextData->RadioPrio != pMsg->RadioPrio || pSM_ContextData->SAPI != pMsg->SAPI) { pSM_ContextData->RadioPrio = pMsg->RadioPrio; pSM_ContextData->SAPI = pMsg->SAPI; UpdateFlags |= UPDATE_SAPI_RADIO_PRIO_PFI; } /* Store PFI parameter, if present. */ if (pMsg->PFI_Flag != FALSE && pMsg->PFI != pSM_ContextData->PFI) { pSM_ContextData->Flags |= CONTEXT_PFI_INCLUDED; pSM_ContextData->PFI = pMsg->PFI; UpdateFlags |= UPDATE_SAPI_RADIO_PRIO_PFI; } /* Store PDP address, if present. */ if (pMsg->PDP_AddressFlag != FALSE) { SM_WriteNegotiatedAddr(pSM_ContextData, &pMsg->PDP_Address, pMsg->PDP_AddressFlag); UpdateFlags |= UPDATE_ADDRESS; } if (pMsg->PCO_Flag != FALSE && pMsg->PCO.LengthPCO_Buf > 0) { /* First free memory, if negotiatedPCO is not NULL */ SM_FreePCO(&pSM_ContextData->pNegotiatedPCO); SM_AllocAndSetPCO(&pSM_ContextData->pNegotiatedPCO, pMsg->PCO.PCO_Buf, pMsg->PCO.LengthPCO_Buf); UpdateFlags |= UPDATE_PCO; } *pUpdateFlags |= UpdateFlags; } /*---------------