FreeCalypso > hg > fc-magnetite
view src/g23m-aci/uart/uart_drxs.c @ 333:8a90038c0173
FCHG: store discharge state as threshold index rather than percentage
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Thu, 14 Dec 2017 18:35:16 +0000 |
parents | 53929b40109c |
children |
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/* +----------------------------------------------------------------------------- | Project : | Modul : +----------------------------------------------------------------------------- | Copyright 2002 Texas Instruments Berlin, AG | All rights reserved. | | This file is confidential and a trade secret of Texas | Instruments Berlin, AG | The receipt of or possession of this file does not convey | any rights to reproduce or disclose its contents or to | manufacture, use, or sell anything it may describe, in | whole, or in part, without the specific written consent of | Texas Instruments Berlin, AG. +----------------------------------------------------------------------------- | Purpose : This modul is part of the entity UART and implements all | functions to handles the incoming process internal signals as | described in the SDL-documentation (DRX-statemachine) +----------------------------------------------------------------------------- */ #ifndef UART_DRXS_C #define UART_DRXS_C #endif /* !UART_DRXS_C */ #define ENTITY_UART /*==== INCLUDES =============================================================*/ #ifdef WIN32 #include "nucleus.h" #endif /* WIN32 */ #include "typedefs.h" /* to get Condat data types */ #include "vsi.h" /* to get a lot of macros */ #include "macdef.h" /* to get a lot of macros */ #include "custom.h" #include "gsm.h" /* to get a lot of macros */ #include "cnf_uart.h" /* to get cnf-definitions */ #include "mon_uart.h" /* to get mon-definitions */ #include "prim.h" /* to get the definitions of used SAP and directions */ #ifdef DTILIB #include "dti.h" /* to get dti lib */ #endif /* DTILIB */ #include "pei.h" /* to get PEI interface */ #ifdef FF_MULTI_PORT #include "gsi.h" /* to get definitions of serial driver */ #else /* FF_MULTI_PORT */ #ifdef _TARGET_ #include "uart/serialswitch.h" #include "uart/traceswitch.h" #else /* _TARGET_ */ #include "serial_dat.h" /* to get definitions of serial driver */ #endif /* _TARGET_ */ #endif /* FF_MULTI_PORT */ #include "uart.h" /* to get the global entity definitions */ #include "uart_drxf.h" /* to get the DRX function declarations */ #include "uart_kers.h" /* to get the KER signal declarations */ #ifdef FF_MULTI_PORT #include "uart_ptxs.h" /* to get signal definitions for service TX */ #else /* FF_MULTI_PORT */ #include "uart_txs.h" /* to get signal definitions for service TX */ #endif /* FF_MULTI_PORT */ /*==== CONST ================================================================*/ /*==== LOCAL VARS ===========================================================*/ /*==== PRIVATE FUNCTIONS ====================================================*/ /*==== PUBLIC FUNCTIONS =====================================================*/ /* +------------------------------------------------------------------------------ | Function : sig_ker_drx_ready_mode_req +------------------------------------------------------------------------------ | Description : Handles the internal signal SIG_KER_DRX_READY_MODE_REQ | | Parameters : dlc_instance - dlc instance wich belongs to this DRX instance | +------------------------------------------------------------------------------ */ GLOBAL void sig_ker_drx_ready_mode_req (UBYTE dlc_instance) { TRACE_ISIG( "sig_ker_drx_ready_mode_req" ); uart_data->drx->dlc_instance = dlc_instance; switch( GET_STATE( UART_SERVICE_DRX ) ) { case DRX_DEAD: /* * new DLC starts with enabled data flow */ uart_data->drx->data_flow = UART_FLOW_ENABLED; #ifdef DTILIB if((uart_data->drx->dti_drx_state NEQ DTI_CLOSED ) && (uart_data->drx->sending_state EQ UART_DRX_NOT_SENDING)) { /* * signal availability to higher layer if currently not sending */ SET_STATE( UART_SERVICE_DRX, DRX_READY ); #ifdef FLOW_TRACE sndcp_trace_flow_control(FLOW_TRACE_UART, FLOW_TRACE_DOWN, FLOW_TRACE_TOP, TRUE); #endif /* FLOW_TRACE */ dti_start( uart_hDTI, uart_data->device, UART_DTI_UP_INTERFACE, uart_data->drx->dlc_instance); } #else /* DTILIB */ if((uart_data->drx->hComm_DRX_UPLINK NEQ VSI_ERROR ) && (uart_data->drx->sending_state EQ UART_DRX_NOT_SENDING)) { /* * signal availability to higher layer if currently not sending */ PALLOC (dti_ready_ind, DTI_READY_IND); SET_STATE( UART_SERVICE_DRX, DRX_READY ); dti_ready_ind->tui = uart_data->tui_uart; dti_ready_ind->c_id = drx_get_channel_id(); #ifdef _SIMULATION_ dti_ready_ind->op_ack = 0; #endif /* _SIMULATION_ */ #ifdef FLOW_TRACE sndcp_trace_flow_control(FLOW_TRACE_UART, FLOW_TRACE_DOWN, FLOW_TRACE_TOP, TRUE); #endif /* FLOW_TRACE */ PSEND (uart_data->drx->hComm_DRX_UPLINK, dti_ready_ind); } #endif /* DTILIB */ else { /* * no peer yet, just switch to NOT READY and wait * for the signal SIG_KER_DRX_SET_DTI_PEER_REQ */ #ifdef DTILIB if(uart_data->drx->dti_drx_state NEQ DTI_CLOSED ) dti_stop( uart_hDTI, uart_data->device, UART_DTI_UP_INTERFACE, uart_data->drx->dlc_instance ); #endif /* DTILIB */ SET_STATE( UART_SERVICE_DRX, DRX_NOT_READY ); } break; case DRX_READY: case DRX_NOT_READY: case DRX_FLUSHING: break; default: TRACE_ERROR( "SIG_KER_DRX_READY_MODE_REQ unexpected" ); break; } } /* sig_ker_drx_ready_mode_req() */ /* +------------------------------------------------------------------------------ | Function : sig_ker_drx_dead_mode_req +------------------------------------------------------------------------------ | Description : Handles the internal signal SIG_KER_DRX_DEAD_MODE_REQ | | Parameters : none | +------------------------------------------------------------------------------ */ GLOBAL void sig_ker_drx_dead_mode_req () { TRACE_ISIG( "sig_ker_drx_dead_mode_req" ); switch( GET_STATE( UART_SERVICE_DRX ) ) { case DRX_READY: SET_STATE( UART_SERVICE_DRX, DRX_DEAD ); /* * free all resources */ #ifdef DTILIB uart_data->drx->dti_drx_state = DTI_CLOSED; #else /* DTILIB */ uart_data->drx->hComm_DRX_UPLINK = VSI_ERROR; #endif /* DTILIB */ drx_free_resources(); break; case DRX_FLUSHING: sig_any_ker_flushed_ind(uart_data->drx->dlc_instance); /* fall through */ case DRX_NOT_READY: SET_STATE( UART_SERVICE_DRX, DRX_DEAD ); #ifdef DTILIB uart_data->drx->dti_drx_state = DTI_CLOSED; #else /* DTILIB */ uart_data->drx->hComm_DRX_UPLINK = VSI_ERROR; #endif /* DTILIB */ if(uart_data->drx->sending_state EQ UART_DRX_NOT_SENDING) { /* * signal that there is not any more data available */ sig_drx_tx_data_not_available_ind(uart_data->drx->dlc_instance); /* * free all resources: */ drx_free_resources(); } else uart_data->drx->sending_state = UART_DRX_INVALID; break; case DRX_DEAD: break; default: TRACE_ERROR( "SIG_KER_DRX_DEAD_MODE_REQ unexpected" ); break; } } /* sig_ker_drx_dead_mode_req() */ /* +------------------------------------------------------------------------------ | Function : sig_ker_drx_enable_req +------------------------------------------------------------------------------ | Description : Handles the internal signal SIG_KER_DRX_ENABLE_REQ | | Parameters : none | +------------------------------------------------------------------------------ */ GLOBAL void sig_ker_drx_enable_req () { TRACE_ISIG( "sig_ker_drx_enable_req" ); uart_data->drx->data_flow = UART_FLOW_ENABLED; switch( GET_STATE( UART_SERVICE_DRX ) ) { case DRX_READY: break; case DRX_FLUSHING: case DRX_NOT_READY: /* * if DRX is not already sending and there is some data to be sent out, * notify service TX that there is data available */ if(uart_data->drx->sending_state EQ UART_DRX_NOT_SENDING) { if(uart_data->drx->received_data) sig_drx_tx_data_available_ind( uart_data->drx->dlc_instance, uart_data->drx->received_data, uart_data->drx->read_pos); else #ifdef DTILIB if( uart_data->drx->dti_drx_state NEQ DTI_CLOSED ) { SET_STATE( UART_SERVICE_DRX, DRX_READY ); #ifdef FLOW_TRACE sndcp_trace_flow_control(FLOW_TRACE_UART, FLOW_TRACE_DOWN, FLOW_TRACE_TOP, TRUE); #endif /* FLOW_TRACE */ dti_start( uart_hDTI, uart_data->device, UART_DTI_UP_INTERFACE, uart_data->drx->dlc_instance ); } #else /* DTILIB */ if(uart_data->drx->hComm_DRX_UPLINK NEQ VSI_ERROR) { /* * nothing more to send, * signal to higher layer that we are able to receive more data */ PALLOC (dti_ready_ind, DTI_READY_IND); SET_STATE( UART_SERVICE_DRX, DRX_READY ); dti_ready_ind->tui = uart_data->tui_uart; dti_ready_ind->c_id = drx_get_channel_id(); #ifdef _SIMULATION_ dti_ready_ind->op_ack = 0; #endif /* _SIMULATION_ */ #ifdef FLOW_TRACE sndcp_trace_flow_control(FLOW_TRACE_UART, FLOW_TRACE_DOWN, FLOW_TRACE_TOP, TRUE); #endif /* FLOW_TRACE */ PSEND (uart_data->drx->hComm_DRX_UPLINK, dti_ready_ind); } #endif /* DTILIB */ } break; default: TRACE_ERROR( "SIG_KER_DRX_ENABLE_REQ unexpected" ); break; } } /* sig_ker_drx_enable_req() */ /* +------------------------------------------------------------------------------ | Function : sig_ker_drx_disable_req +------------------------------------------------------------------------------ | Description : Handles the internal signal SIG_KER_DRX_DISABLE_REQ | | Parameters : none | +------------------------------------------------------------------------------ */ GLOBAL void sig_ker_drx_disable_req () { TRACE_ISIG( "sig_ker_drx_disable_req" ); uart_data->drx->data_flow = UART_FLOW_DISABLED; switch( GET_STATE( UART_SERVICE_DRX ) ) { case DRX_READY: break; case DRX_FLUSHING: case DRX_NOT_READY: /* * stop sending if possible */ if(uart_data->drx->sending_state EQ UART_DRX_NOT_SENDING) sig_drx_tx_data_not_available_ind(uart_data->drx->dlc_instance); break; default: TRACE_ERROR( "SIG_KER_DRX_DISABLE_REQ unexpected" ); break; } } /* sig_ker_drx_disable_req() */ /* +------------------------------------------------------------------------------ | Function : sig_tx_drx_sending_req +------------------------------------------------------------------------------ | Description : Handles the internal signal SIG_TX_DRX_SENDING_REQ | | Parameters : dummy - description of parameter dummy | +------------------------------------------------------------------------------ */ GLOBAL void sig_tx_drx_sending_req () { TRACE_ISIG( "sig_tx_drx_sending_req" ); switch( GET_STATE( UART_SERVICE_DRX ) ) { case DRX_FLUSHING: case DRX_NOT_READY: uart_data->drx->sending_state = UART_DRX_SENDING; break; default: TRACE_ERROR( "SIG_TX_DRX_SENDING_REQ unexpected" ); break; } } /* sig_tx_drx_sending_req() */ /* +------------------------------------------------------------------------------ | Function : sig_tx_drx_data_sent_req +------------------------------------------------------------------------------ | Description : Handles the internal signal SIG_TX_DRX_DATA_SENT_REQ | | Parameters : rest_data - generic data descriptor of "still to send" data | pos - current position in first rest data buffer | +------------------------------------------------------------------------------ */ GLOBAL void sig_tx_drx_data_sent_req ( T_desc2 *rest_data, USHORT pos ) { T_desc2 *next_desc; T_desc2 *desc; TRACE_ISIG( "sig_tx_drx_data_sent_req" ); switch( GET_STATE( UART_SERVICE_DRX ) ) { case DRX_DEAD: uart_data->drx->sending_state = UART_DRX_NOT_SENDING; /* * Since the service is dead, free all resources and the rest of data */ drx_free_resources(); break; case DRX_NOT_READY: if(uart_data->drx->sending_state EQ UART_DRX_INVALID) { /* * because we are in an invalid sending state, free all resources */ drx_free_resources(); } else { /* * free all data descriptors in front of the remaining data */ desc = uart_data->drx->received_data; while((desc NEQ rest_data) && (desc NEQ NULL)) { next_desc = (T_desc2 *)desc->next; MFREE (desc); desc = next_desc; } /* * set received_data descriptor to remaining data, remember position */ uart_data->drx->received_data = desc; uart_data->drx->read_pos = pos; } uart_data->drx->sending_state = UART_DRX_NOT_SENDING; if(uart_data->drx->data_flow EQ UART_FLOW_ENABLED) { if(uart_data->drx->received_data) { /* * data flow is enabled and there is more data to send */ sig_drx_tx_data_available_ind(uart_data->drx->dlc_instance, uart_data->drx->received_data, uart_data->drx->read_pos); } else /* * data flow is enabled but there is nothing more to send, * so do positive flow control */ #ifdef DTILIB if( uart_data->drx->dti_drx_state NEQ DTI_CLOSED ) { SET_STATE( UART_SERVICE_DRX, DRX_READY ); #ifdef FLOW_TRACE sndcp_trace_flow_control(FLOW_TRACE_UART, FLOW_TRACE_DOWN, FLOW_TRACE_TOP, TRUE); #endif /* FLOW_TRACE */ dti_start( uart_hDTI, uart_data->device, UART_DTI_UP_INTERFACE, uart_data->drx->dlc_instance ); } #else /* DTILIB */ if(uart_data->drx->hComm_DRX_UPLINK NEQ VSI_ERROR) { PALLOC (dti_ready_ind, DTI_READY_IND); SET_STATE( UART_SERVICE_DRX, DRX_READY ); dti_ready_ind->tui = uart_data->tui_uart; dti_ready_ind->c_id = drx_get_channel_id(); #ifdef _SIMULATION_ dti_ready_ind->op_ack = 0; #endif /* _SIMULATION_ */ #ifdef FLOW_TRACE sndcp_trace_flow_control(FLOW_TRACE_UART, FLOW_TRACE_DOWN, FLOW_TRACE_TOP, TRUE); #endif /* FLOW_TRACE */ PSEND (uart_data->drx->hComm_DRX_UPLINK, dti_ready_ind); } #endif /* DTILIB */ } break; case DRX_FLUSHING: /* * free all data descriptors in front of the remaining data */ desc = uart_data->drx->received_data; while((desc NEQ rest_data) && (desc NEQ NULL)) { next_desc = (T_desc2 *)desc->next; MFREE (desc); desc = next_desc; } /* * set received_data descriptor to remaining data, remember position */ uart_data->drx->received_data = desc; uart_data->drx->read_pos = pos; uart_data->drx->sending_state = UART_DRX_NOT_SENDING; if(uart_data->drx->received_data) { if(uart_data->drx->data_flow EQ UART_FLOW_ENABLED) /* * data flow is enabled and there is more data to send */ sig_drx_tx_data_available_ind(uart_data->drx->dlc_instance, uart_data->drx->received_data, uart_data->drx->read_pos); } else #ifdef DTILIB if(( uart_data->drx->dti_drx_state NEQ DTI_CLOSED ) && (uart_data->drx->data_flow EQ UART_FLOW_ENABLED)) { SET_STATE( UART_SERVICE_DRX, DRX_READY ); sig_any_ker_flushed_ind(uart_data->drx->dlc_instance); #ifdef FLOW_TRACE sndcp_trace_flow_control(FLOW_TRACE_UART, FLOW_TRACE_DOWN, FLOW_TRACE_TOP, TRUE); #endif /* FLOW_TRACE */ dti_start( uart_hDTI, uart_data->device, UART_DTI_UP_INTERFACE, uart_data->drx->dlc_instance ); } #else /* DTILIB */ if((uart_data->drx->hComm_DRX_UPLINK NEQ VSI_ERROR) && (uart_data->drx->data_flow EQ UART_FLOW_ENABLED)) { /* * data flow is enabled but there is nothing more to send, * so send flush signal and positive flow control */ PALLOC (dti_ready_ind, DTI_READY_IND); SET_STATE( UART_SERVICE_DRX, DRX_READY ); sig_any_ker_flushed_ind(uart_data->drx->dlc_instance); dti_ready_ind->tui = uart_data->tui_uart; dti_ready_ind->c_id = drx_get_channel_id(); #ifdef _SIMULATION_ dti_ready_ind->op_ack = 0; #endif /* _SIMULATION_ */ #ifdef FLOW_TRACE sndcp_trace_flow_control(FLOW_TRACE_UART, FLOW_TRACE_DOWN, FLOW_TRACE_TOP, TRUE); #endif /* FLOW_TRACE */ PSEND (uart_data->drx->hComm_DRX_UPLINK, dti_ready_ind); } #endif /* DTILIB */ else { /* * data flushed */ SET_STATE( UART_SERVICE_DRX, DRX_NOT_READY ); #ifdef DTILIB dti_stop( uart_hDTI, uart_data->device, UART_DTI_UP_INTERFACE, uart_data->drx->dlc_instance ); #endif /* DTILIB */ sig_any_ker_flushed_ind(uart_data->drx->dlc_instance); } break; default: TRACE_ERROR( "SIG_TX_DRX_DATA_SENT_REQ unexpected" ); break; } } /* sig_tx_drx_data_sent_req() */ #ifdef DTILIB /* +------------------------------------------------------------------------------ | Function : sig_ker_drx_disconnected_mode_req +------------------------------------------------------------------------------ | Description : Handles the internal signal SIG_KER_DRX_DISCONNECTED_MODE_REQ | | Parameters : none | +------------------------------------------------------------------------------ */ GLOBAL void sig_ker_drx_disconnected_mode_req () { TRACE_ISIG( "sig_ker_drx_disconnected_mode_req" ); uart_data->drx->dti_drx_state = DTI_CLOSED; switch(GET_STATE( UART_SERVICE_DRX) ) { case DRX_READY: SET_STATE( UART_SERVICE_DRX, DRX_NOT_READY ); break; case DRX_NOT_READY: break; default: TRACE_ERROR( "SIG_KER_DRX_DISCONNECTED_MODE_REQ unexpected" ); break; } } /* sig_ker_drx_disconnected_mode_req() */ /* +------------------------------------------------------------------------------ | Function : sig_ker_drx_set_dtilib_peer_req +------------------------------------------------------------------------------ | Description : Handles the internal signal SIG_KER_DRX_SET_DTI_PEER_REQ | which is used to inform the service DRX that from now on it | needs to communicate with a (new) peer | | Parameters : - | +------------------------------------------------------------------------------ */ GLOBAL void sig_ker_drx_set_dtilib_peer_req () { TRACE_ISIG( "sig_ker_drx_set_dtilib_peer_req" ); uart_data->drx->dti_drx_state = DTI_IDLE; switch( GET_STATE( UART_SERVICE_DRX ) ) { case DRX_READY: case DRX_NOT_READY: /* * signal availability to higher layer if currently not sending */ if((uart_data->drx->received_data EQ NULL) && (uart_data->drx->data_flow EQ UART_FLOW_ENABLED) && (uart_data->drx->sending_state EQ UART_DRX_NOT_SENDING)) { SET_STATE( UART_SERVICE_DRX, DRX_READY ); #ifdef FLOW_TRACE sndcp_trace_flow_control(FLOW_TRACE_UART, FLOW_TRACE_DOWN, FLOW_TRACE_TOP, TRUE); #endif /* FLOW_TRACE */ dti_start( uart_hDTI, uart_data->device, UART_DTI_UP_INTERFACE, uart_data->drx->dlc_instance ); } else { SET_STATE( UART_SERVICE_DRX, DRX_NOT_READY ); dti_stop( uart_hDTI, uart_data->device, UART_DTI_UP_INTERFACE, uart_data->drx->dlc_instance ); } break; case DRX_FLUSHING: case DRX_DEAD: break; default: TRACE_ERROR( "SIG_KER_DRX_SET_DTI_PEER_REQ unexpected" ); break; } } /* sig_ker_drx_set_dtilib_peer_req() */ #else /* DTILIB */ /* +------------------------------------------------------------------------------ | Function : sig_ker_drx_set_dti_peer_req +------------------------------------------------------------------------------ | Description : Handles the internal signal SIG_KER_DRX_SET_DTI_PEER_REQ | which is used to inform the service DRX that from now on it | needs to communicate with a (new) peer | | Parameters : tui_peer - transmission unit identifier of peer | peer_handle - VSI handle of peer (channel has to be opened) | c_id - channel identifier of peer | +------------------------------------------------------------------------------ */ GLOBAL void sig_ker_drx_set_dti_peer_req (USHORT tui_peer, T_HANDLE peer_handle, UBYTE c_id) { USHORT i,pos; TRACE_ISIG( "sig_ker_drx_set_dti_peer_req" ); /* * set new vsi handle and */ uart_data->drx->hComm_DRX_UPLINK = peer_handle; /* * search position in table */ pos = UART_INSTANCES * UART_MAX_NUMBER_OF_CHANNELS; for(i = 0; i < pos; i++) { if((uart_cid_table[i].drx EQ uart_data->drx) || (uart_cid_table[i].c_id EQ c_id)) { pos = i; } } if(pos < (UART_INSTANCES * UART_MAX_NUMBER_OF_CHANNELS)) { /* * valid position in table, update entry */ uart_cid_table[pos].c_id = c_id; uart_cid_table[pos].drx = uart_data->drx; uart_cid_table[pos].uart_data = uart_data; } else { /* * create new entry in table */ for(i = 0; i < UART_INSTANCES * UART_MAX_NUMBER_OF_CHANNELS; i++) { if(uart_cid_table[i].dtx EQ NULL) { /* * free space found, insert data */ uart_cid_table[i].c_id = c_id; uart_cid_table[i].drx = uart_data->drx; uart_cid_table[i].uart_data = uart_data; break; } } } switch( GET_STATE( UART_SERVICE_DRX ) ) { case DRX_READY: case DRX_NOT_READY: /* * signal availability to higher layer if currently not sending */ if((uart_data->drx->received_data EQ NULL) && (uart_data->drx->data_flow EQ UART_FLOW_ENABLED) && (uart_data->drx->sending_state EQ UART_DRX_NOT_SENDING)) { PALLOC (dti_ready_ind, DTI_READY_IND); SET_STATE( UART_SERVICE_DRX, DRX_READY ); dti_ready_ind->tui = uart_data->tui_uart; dti_ready_ind->c_id = drx_get_channel_id(); #ifdef _SIMULATION_ dti_ready_ind->op_ack = 0; #endif /* _SIMULATION_ */ #ifdef FLOW_TRACE sndcp_trace_flow_control(FLOW_TRACE_UART, FLOW_TRACE_DOWN, FLOW_TRACE_TOP, TRUE); #endif /* FLOW_TRACE */ PSEND (uart_data->drx->hComm_DRX_UPLINK, dti_ready_ind); } else { SET_STATE( UART_SERVICE_DRX, DRX_NOT_READY ); } break; case DRX_FLUSHING: case DRX_DEAD: break; default: TRACE_ERROR( "SIG_KER_DRX_SET_DTI_PEER_REQ unexpected" ); break; } } /* sig_ker_drx_set_dti_peer_req() */ #endif /* DTILIB */ /* +------------------------------------------------------------------------------ | Function : sig_ker_drx_flush_req +------------------------------------------------------------------------------ | Description : Handles the internal signal SIG_KER_DRX_FLUSH_REQ which is used | to trigger flushing of the service. | | Parameters : no parameters | +------------------------------------------------------------------------------ */ GLOBAL void sig_ker_drx_flush_req () { TRACE_ISIG( "sig_ker_drx_flush_req" ); switch( GET_STATE( UART_SERVICE_DRX ) ) { case DRX_READY: sig_any_ker_flushed_ind(uart_data->drx->dlc_instance); break; case DRX_NOT_READY: if((uart_data->drx->received_data) && (uart_data->drx->sending_state NEQ UART_DRX_INVALID)) { SET_STATE( UART_SERVICE_DRX, DRX_FLUSHING ); } else { sig_any_ker_flushed_ind(uart_data->drx->dlc_instance); } break; case DRX_FLUSHING: break; default: TRACE_ERROR( "SIG_KER_DRX_FLUSH_REQ unexpected" ); break; } } /* sig_ker_drx_flush_req() */