FreeCalypso > hg > fc-selenite
view src/g23m-gprs/llc/llc_itxs.c @ 112:fdecfb3bd860
.../drv_app/r2d/r2d_*.c: LCD include case fixes from Magnetite
R2D is not used in Selenite, but we strive to keep the two source trees
in sync as much as possible to reduce the diffs.
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Sat, 13 Oct 2018 16:56:22 +0000 |
parents | d393cd9bb723 |
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 LLC and implements all | functions to handles the incoming process internal signals as | described in the SDL-documentation (ITX-statemachine) +----------------------------------------------------------------------------- */ #ifndef LLC_ITXS_C #define LLC_ITXS_C #endif #define ENTITY_LLC /*==== INCLUDES =============================================================*/ #include "typedefs.h" /* to get Condat data types */ #include "vsi.h" /* to get a lot of macros */ #include "macdef.h" #include "gprs.h" #include "gsm.h" /* to get a lot of macros */ #include "cnf_llc.h" /* to get cnf-definitions */ #include "mon_llc.h" /* to get mon-definitions */ #include "prim.h" /* to get the definitions of used SAP and directions */ #include "llc.h" /* to get the global entity definitions */ #include "llc_itxs.h" /* to get ITX signal definitions */ #include "llc_itxf.h" /* to get ITX function definitions */ #include "llc_itxt.h" /* to get ITX T201 function definitions */ /*==== CONST ================================================================*/ /*==== LOCAL VARS ===========================================================*/ /*==== PRIVATE FUNCTIONS ====================================================*/ /*==== PUBLIC FUNCTIONS =====================================================*/ /* +------------------------------------------------------------------------------ | Function : sig_llme_itx_assign_req +------------------------------------------------------------------------------ | Description : Handles the internal signal SIG_LLME_ITX_ASSIGN_REQ | | Parameters : | +------------------------------------------------------------------------------ */ GLOBAL void sig_llme_itx_assign_req (void) { TRACE_ISIG( "sig_llme_itx_assign_req" ); switch (GET_STATE(ITX)) { case ITX_TLLI_UNASSIGNED: /* * Init Sapi */ itx_init_sapi(); SET_STATE (ITX, ITX_TLLI_ASSIGNED); break; default: TRACE_ERROR( "SIG_LLME_ITX_ASSIGN_REQ unexpected" ); break; } } /* sig_llme_itx_assign_req() */ /* +------------------------------------------------------------------------------ | Function : sig_llme_itx_unassign_req +------------------------------------------------------------------------------ | Description : Handles the internal signal SIG_LLME_ITX_UNASSIGN_REQ | | Parameters : | +------------------------------------------------------------------------------ */ GLOBAL void sig_llme_itx_unassign_req (void) { TRACE_ISIG( "sig_llme_itx_unassign_req" ); switch (GET_STATE(ITX)) { case ITX_TLLI_UNASSIGNED: /* * Ignore unexpected signal. */ break; default: TIMERSTOP (T201); itx_s_queue_clean (); itx_i_queue_clean (); itx_init_sapi (); SET_STATE (ITX, ITX_TLLI_UNASSIGNED); break; } } /* sig_llme_itx_unassign_req() */ /* +------------------------------------------------------------------------------ | Function : sig_llme_itx_reset_req +------------------------------------------------------------------------------ | Description : Handles the internal signal SIG_LLME_ITX_RESET_REQ | | Parameters : | +------------------------------------------------------------------------------ */ GLOBAL void sig_llme_itx_reset_req (void) { TRACE_ISIG( "sig_llme_itx_reset_req" ); switch (GET_STATE(ITX)) { case ITX_TLLI_UNASSIGNED: case ITX_TLLI_ASSIGNED: /* * nothing to do */ break; case ITX_ABM: case ITX_ABM_PEER_BUSY: TIMERSTOP (T201); itx_s_queue_clean (); itx_i_queue_clean (); itx_init_sapi (); SET_STATE (ITX, ITX_TLLI_ASSIGNED); break; default: TRACE_ERROR( "SIG_LLME_ITX_RESET_REQ unexpected" ); break; } } /* sig_llme_itx_reset_req() */ /* +------------------------------------------------------------------------------ | Function : sig_llme_itx_abmest_req +------------------------------------------------------------------------------ | Description : Handles the internal signal SIG_LLME_ITX_ABMEST_REQ | | Parameters : | +------------------------------------------------------------------------------ */ GLOBAL void sig_llme_itx_abmest_req (void) { TRACE_ISIG( "sig_llme_itx_abmest_req" ); switch (GET_STATE(ITX)) { case ITX_TLLI_UNASSIGNED: /* * Ignore unexpected signal. */ TRACE_ERROR( "SIG_LLME_ITX_ABMEST_REQ unexpected" ); break; default: TIMERSTOP (T201); itx_s_queue_clean (); itx_i_queue_clean (); itx_init_sapi (); itx_handle_ll_ready_ind (FALSE); SET_STATE (ITX, ITX_ABM); TRACE_1_INFO("ABM established s:%d", llc_data->current_sapi); break; } } /* sig_llme_itx_abmest_req() */ /* +------------------------------------------------------------------------------ | Function : sig_llme_itx_abmrel_req +------------------------------------------------------------------------------ | Description : Handles the internal signal SIG_LLME_ITX_ABMREL_REQ | | Parameters : | +------------------------------------------------------------------------------ */ GLOBAL void sig_llme_itx_abmrel_req (void) { TRACE_ISIG( "sig_llme_itx_abmrel_req" ); switch (GET_STATE(ITX)) { case ITX_TLLI_UNASSIGNED: /* * Ignore unexpected signal. */ TRACE_ERROR( "SIG_LLME_ITX_ABMREL_REQ unexpected" ); break; default: TIMERSTOP (T201); itx_s_queue_clean (); itx_i_queue_clean (); itx_init_sapi (); SET_STATE (ITX, ITX_TLLI_ASSIGNED); TRACE_1_INFO("ABM released s:%d", llc_data->current_sapi); break; } } /* sig_llme_itx_abmrel_req() */ /* +------------------------------------------------------------------------------ | Function : sig_llme_itx_suspend_req +------------------------------------------------------------------------------ | Description : Handles the internal signal SIG_LLME_ITX_SUSPEND_REQ | | Parameters : | +------------------------------------------------------------------------------ */ GLOBAL void sig_llme_itx_suspend_req (void) { TRACE_ISIG( "sig_llme_itx_suspend_req" ); switch (GET_STATE(ITX)) { case ITX_TLLI_UNASSIGNED: case ITX_TLLI_ASSIGNED: /* * nothing to do */ break; case ITX_ABM: case ITX_ABM_PEER_BUSY: /* * Reset T201, but do NOT reset t201_entry pointer * because we have to restart T201 later! */ TIMERSTOP (T201); /* SET_STATE (ITX, SAME_STATE); */ break; default: TRACE_ERROR( "SIG_LLME_ITX_SUSPEND_REQ unexpected" ); break; } } /* sig_llme_itx_suspend_req() */ /* +------------------------------------------------------------------------------ | Function : sig_llme_itx_resume_req +------------------------------------------------------------------------------ | Description : Handles the internal signal SIG_LLME_ITX_RESUME_REQ | | Parameters : | +------------------------------------------------------------------------------ */ GLOBAL void sig_llme_itx_resume_req (void) { TRACE_ISIG( "sig_llme_itx_resume_req" ); switch (GET_STATE(ITX)) { case ITX_TLLI_UNASSIGNED: case ITX_TLLI_ASSIGNED: /* * nothing to do */ break; case ITX_ABM: /* * Restart T201 if a frame was associated to it. * Do not increment frame retransmission counter. */ if ( llc_data->itx->t201_entry != NULL ) { TIMERSTART (T201, llc_data->t200->length); } /* * Continue sending of frames */ itx_send_next_frame (ABIT_NO_REQ); break; case ITX_ABM_PEER_BUSY: /* * Restart T201, but do not increment counter */ TIMERSTART (T201, llc_data->t200->length); break; default: TRACE_ERROR( "SIG_LLME_ITX_RESUME_REQ unexpected" ); break; } } /* sig_llme_itx_resume_req() */ /* +------------------------------------------------------------------------------ | Function : sig_tx_itx_ready_ind +------------------------------------------------------------------------------ | Description : Handles the internal signal SIG_TX_ITX_READY_IND | | Parameters : | +------------------------------------------------------------------------------ */ GLOBAL void sig_tx_itx_ready_ind (void) { TRACE_ISIG( "sig_tx_itx_ready_ind" ); switch (GET_STATE(ITX)) { case ITX_TLLI_ASSIGNED: llc_data->itx->tx_waiting = TRUE; /* SET_STATE (ITX, SAME_STATE); */ break; case ITX_ABM: case ITX_ABM_PEER_BUSY: llc_data->itx->tx_waiting = TRUE; itx_send_next_frame (ABIT_NO_REQ); /* SET_STATE (ITX, SAME_STATE); */ break; default: TRACE_ERROR( "SIG_TX_ITX_READY_IND unexpected" ); break; } } /* sig_tx_itx_ready_ind() */ /* +------------------------------------------------------------------------------ | Function : sig_irx_itx_ack_ind +------------------------------------------------------------------------------ | Description : Handles the internal signal SIG_IRX_ITX_ACK_IND | | Parameters : | +------------------------------------------------------------------------------ */ GLOBAL void sig_irx_itx_ack_ind (BOOL is_ack, T_FRAME_NUM num) { TRACE_ISIG( "sig_irx_itx_ack_ind" ); num %= (MAX_SEQUENCE_NUMBER+1); #ifdef TRACE_EVE { if (is_ack == TRUE) { TRACE_1_INFO("got frame ack:%d", num); } else { TRACE_1_INFO("got frame request:%d", num); } } #endif switch (GET_STATE(ITX)) { case ITX_ABM: case ITX_ABM_PEER_BUSY: /* * Set frame acknowledge status in the ITX queue. */ if (is_ack) itx_i_queue_set_status (IQ_IS_ACK_FRAME, num); else itx_i_queue_set_status (IQ_RETR_FRAME, num); /* SET_STATE (ITX, SAME_STATE); */ break; default: TRACE_ERROR( "SIG_IRX_ITX_ACK_IND unexpected" ); break; } } /* sig_irx_itx_ack_ind() */ /* +------------------------------------------------------------------------------ | Function : sig_irx_itx_cnf_l3data_req +------------------------------------------------------------------------------ | Description : Handles the internal signal SIG_IRX_ITX_CNF_L3DATA_REQ | | Parameters : | +------------------------------------------------------------------------------ */ GLOBAL void sig_irx_itx_cnf_l3data_req (void) { UBYTE state; BOOL found; BOOL data_retrieved = FALSE; #ifdef LL_2to1 T_LL_reference1 reference; #else T_reference1 reference; #endif TRACE_ISIG( "sig_irx_itx_cnf_l3data_req" ); state = GET_STATE(ITX); switch (state) { case ITX_ABM: case ITX_ABM_PEER_BUSY: /* * Get all acknowledged frames from the ITX queue. * If one or more are found, send an LL_DATA_CNF * for each group of max LL_MAX_CNF L3-PDUs. */ itx_i_queue_get_ready (&found, &reference, state); data_retrieved = found; /* * Label LLC_ACK_IND */ while (found) { int num_ref = 0; PALLOC (ll_data_cnf, LL_DATA_CNF); ll_data_cnf->sapi = llc_data->current_sapi; do { ll_data_cnf->reference1[num_ref] = reference; num_ref++; itx_i_queue_get_ready (&found, &reference, state); } while (found && (num_ref < LLC_MAX_CNF)); ll_data_cnf->c_reference1 = num_ref; TRACE_1_OUT_PARA("s:%d", ll_data_cnf->sapi ); PSEND (hCommSNDCP, ll_data_cnf); } /* * If we have taken data from queue, check * if a L3 ready indication is required */ if (data_retrieved) { itx_handle_ll_ready_ind (data_retrieved); } /* SET_STATE (ITX, SAME_STATE); */ break; default: TRACE_ERROR( "SIG_IRX_ITX_CNF_L3DATA_REQ unexpected" ); break; } } /* sig_irx_itx_cnf_l3data_req() */ /* +------------------------------------------------------------------------------ | Function : sig_irx_itx_trigger_ind +------------------------------------------------------------------------------ | Description : Handles the internal signal SIG_IRX_ITX_TRIGGER_IND | | Parameters : | +------------------------------------------------------------------------------ */ GLOBAL void sig_irx_itx_trigger_ind (void) { TRACE_ISIG( "sig_irx_itx_trigger_ind" ); switch (GET_STATE(ITX)) { case ITX_ABM: case ITX_ABM_PEER_BUSY: itx_send_next_frame (ABIT_NO_REQ); /* SET_STATE (ITX, SAME_STATE); */ break; default: TRACE_ERROR( "SIG_IRX_ITX_TRIGGER_IND unexpected" ); break; } } /* sig_irx_itx_trigger_ind() */ /* +------------------------------------------------------------------------------ | Function : sig_irx_itx_peer_busy_ind +------------------------------------------------------------------------------ | Description : Handles the internal signal SIG_IRX_ITX_PEER_BUSY_IND | | Parameters : | +------------------------------------------------------------------------------ */ GLOBAL void sig_irx_itx_peer_busy_ind (void) { TRACE_ISIG( "sig_irx_itx_peer_busy_ind" ); switch (GET_STATE(ITX)) { case ITX_ABM: /* * Start T201 to supervise peer busy condition, * init T201 peer busy restart counter and change * into peer busy state. */ TIMERSTART (T201, llc_data->t200->length); llc_data->itx->n_pb_retr = 0; SET_STATE (ITX, ITX_ABM_PEER_BUSY); TRACE_1_INFO("Peer Busy s:%d", llc_data->current_sapi); break; case ITX_ABM_PEER_BUSY: /* * Restart T201 to supervise peer busy condition, * reset T201 peer busy restart counter. */ TIMERSTART (T201, llc_data->t200->length); llc_data->itx->n_pb_retr = 0; break; default: TRACE_ERROR( "SIG_IRX_ITX_PEER_BUSY_IND unexpected" ); break; } } /* sig_irx_itx_peer_busy_ind() */ /* +------------------------------------------------------------------------------ | Function : sig_irx_itx_peer_ready_ind +------------------------------------------------------------------------------ | Description : Handles the internal signal SIG_IRX_ITX_PEER_READY_IND | | Parameters : | +------------------------------------------------------------------------------ */ GLOBAL void sig_irx_itx_peer_ready_ind (void) { TRACE_ISIG( "sig_irx_itx_peer_ready_ind" ); switch (GET_STATE(ITX)) { case ITX_ABM: /* * ignore it */ break; case ITX_ABM_PEER_BUSY: /* * Clear peer busy condition */ SET_STATE (ITX, ITX_ABM); /* * Restart T201 if a frame was associated to it. * Do not increment frame retransmission counter. */ if ( llc_data->itx->t201_entry != NULL ) { TIMERSTART (T201, llc_data->t200->length); } /* * Restart sending of frames */ TRACE_1_INFO("Peer Ready s:%d", llc_data->current_sapi); itx_send_next_frame (ABIT_NO_REQ); break; default: TRACE_ERROR( "SIG_IRX_ITX_PEER_READY_IND unexpected" ); break; } } /* sig_irx_itx_peer_ready_ind() */ /* +------------------------------------------------------------------------------ | Function : sig_irx_itx_send_rr_req +------------------------------------------------------------------------------ | Description : Handles the internal signal SIG_IRX_ITX_SEND_RR_REQ | | Parameters : | +------------------------------------------------------------------------------ */ GLOBAL void sig_irx_itx_send_rr_req (T_ABIT_REQ_TYPE req_type) { TRACE_ISIG( "sig_irx_itx_send_rr_req" ); switch (GET_STATE(ITX)) { case ITX_ABM: case ITX_ABM_PEER_BUSY: itx_s_queue_store (I_RR, req_type, llc_data->sapi->vr, NULL); itx_send_next_frame (ABIT_NO_REQ); /* SET_STATE (ITX, SAME_STATE); */ break; default: TRACE_ERROR( "SIG_IRX_ITX_SEND_RR_REQ unexpected" ); break; } } /* sig_irx_itx_send_rr_req() */ /* +------------------------------------------------------------------------------ | Function : sig_irx_itx_send_ack_req +------------------------------------------------------------------------------ | Description : Handles the internal signal SIG_IRX_ITX_SEND_ACK_REQ | | Parameters : | +------------------------------------------------------------------------------ */ GLOBAL void sig_irx_itx_send_ack_req (T_ABIT_REQ_TYPE req_type) { TRACE_ISIG( "sig_irx_itx_send_ack_req" ); switch (GET_STATE(ITX)) { case ITX_ABM: case ITX_ABM_PEER_BUSY: itx_s_queue_store (I_ACK, req_type, llc_data->sapi->vr, NULL); itx_send_next_frame (ABIT_NO_REQ); /* SET_STATE (ITX, SAME_STATE); */ break; default: TRACE_ERROR( "SIG_IRX_ITX_SEND_ACK_REQ unexpected" ); break; } } /* sig_irx_itx_send_ack_req() */ /* +------------------------------------------------------------------------------ | Function : sig_irx_itx_send_sack_req +------------------------------------------------------------------------------ | Description : Handles the internal signal SIG_IRX_ITX_SEND_SACK_REQ | | Parameters : | +------------------------------------------------------------------------------ */ GLOBAL void sig_irx_itx_send_sack_req (T_ABIT_REQ_TYPE req_type, T_SACK_BITMAP* bitmap) { TRACE_ISIG( "sig_irx_itx_send_sack_req" ); switch (GET_STATE(ITX)) { case ITX_ABM: case ITX_ABM_PEER_BUSY: itx_s_queue_store (I_SACK, req_type, llc_data->sapi->vr, bitmap); itx_send_next_frame (ABIT_NO_REQ); /* SET_STATE (ITX, SAME_STATE); */ break; default: TRACE_ERROR( "SIG_IRX_ITX_SEND_SACK_REQ unexpected" ); break; } } /* sig_irx_itx_send_sack_req() */ /* +------------------------------------------------------------------------------ | Function : sig_irx_itx_send_rnr_req +------------------------------------------------------------------------------ | Description : Handles the internal signal SIG_IRX_ITX_SEND_RNR_REQ | | Parameters : | +------------------------------------------------------------------------------ */ GLOBAL void sig_irx_itx_send_rnr_req (T_ABIT_REQ_TYPE req_type) { TRACE_ISIG( "sig_irx_itx_send_rnr_req" ); switch (GET_STATE(ITX)) { case ITX_ABM: case ITX_ABM_PEER_BUSY: itx_s_queue_store (I_RNR, req_type, llc_data->sapi->vr, NULL); itx_send_next_frame (ABIT_NO_REQ); /* SET_STATE (ITX, SAME_STATE); */ break; default: TRACE_ERROR( "SIG_IRX_ITX_SEND_RNR_REQ unexpected" ); break; } } /* sig_irx_itx_send_rnr_req() */