diff options
Diffstat (limited to 'src/encoding.cpp')
| -rw-r--r-- | src/encoding.cpp | 117 |
1 files changed, 0 insertions, 117 deletions
diff --git a/src/encoding.cpp b/src/encoding.cpp index 4cbcd8c8..158625e6 100644 --- a/src/encoding.cpp +++ b/src/encoding.cpp @@ -399,123 +399,6 @@ void Encoding::encode_rbb(const char *show_rbb, uint8_t *rbb) } } -static void write_packet_uplink_ack_gprs(struct gprs_rlcmac_bts *bts, - PU_AckNack_GPRS_t *acknack, struct gprs_rlcmac_ul_tbf *tbf, - int is_final) -{ - Common_Uplink_Ack_Nack_Data_t *acknack_data = - &acknack->Common_Uplink_Ack_Nack_Data; - char rbb[65]; - - tbf->m_window.update_rbb(rbb); - - acknack->CHANNEL_CODING_COMMAND = tbf->current_cs() - 1; - acknack->Ack_Nack_Description.FINAL_ACK_INDICATION = is_final; - acknack->Ack_Nack_Description.STARTING_SEQUENCE_NUMBER = tbf->m_window.ssn(); - - Encoding::encode_rbb(rbb, acknack->Ack_Nack_Description.RECEIVED_BLOCK_BITMAP); - - /* rbb is not NULL terminated */ - rbb[64] = 0; - LOGP(DRLCMACUL, LOGL_DEBUG, "- V(N): \"%s\" R=Received " - "I=Invalid\n", rbb); - - acknack->UnionType = 0x0; /* Fixed Allocation Dummy = on */ - acknack->u.FixedAllocationDummy = 0x0; /* Fixed Allocation Dummy */ - acknack->Exist_AdditionsR99 = 0x0; /* AdditionsR99 = off */ - - acknack_data->Exist_CONTENTION_RESOLUTION_TLLI = 0x1; - acknack_data->CONTENTION_RESOLUTION_TLLI = tbf->tlli(); - acknack_data->Exist_Packet_Timing_Advance = 0x0; - acknack_data->Exist_Extension_Bits = 0x0; - acknack_data->Exist_Power_Control_Parameters = 0x0; -} - -static void write_packet_uplink_ack_egprs(struct gprs_rlcmac_bts *bts, - PU_AckNack_EGPRS_00_t *acknack, struct gprs_rlcmac_ul_tbf *tbf, - int is_final) -{ - Common_Uplink_Ack_Nack_Data_t *acknack_data = - &acknack->Common_Uplink_Ack_Nack_Data; - char rbb[65]; - - int bow = 1; - int eow = 1; - int ssn = tbf->m_window.mod_sns(tbf->m_window.v_q() + 1); - - tbf->m_window.update_rbb(rbb); - - /* rbb is not NULL terminated */ - rbb[64] = 0; - LOGP(DRLCMACUL, LOGL_DEBUG, "- V(N): \"%s\" R=Received " - "I=Invalid\n", rbb); - - /* TODO: Use tbf->current_cs() when it supports EGPRS */ - acknack->EGPRS_ChannelCodingCommand = 2; /* MCS-3 */ - acknack->RESEGMENT = 0; /* NYI */ - acknack->PRE_EMPTIVE_TRANSMISSION = 1; /* TODO: This resembles GPRS, change it? */ - acknack->PRR_RETRANSMISSION_REQUEST = 0; /* TODO: Needs clarification */ - acknack->ARAC_RETRANSMISSION_REQUEST = 0; /* TODO: Needs clarification */ - - acknack_data->Exist_CONTENTION_RESOLUTION_TLLI = 0x1; - acknack_data->CONTENTION_RESOLUTION_TLLI = tbf->tlli(); - - acknack->TBF_EST = 1; /* Enable RR on PACCH */ - - acknack_data->Exist_Packet_Timing_Advance = 0x0; - acknack->Exist_Packet_Extended_Timing_Advance = 0x0; - acknack_data->Exist_Power_Control_Parameters = 0x0; - acknack_data->Exist_Extension_Bits = 0x0; - - acknack->EGPRS_AckNack.UnionType = 0; - - acknack->EGPRS_AckNack.Desc.FINAL_ACK_INDICATION = is_final; - acknack->EGPRS_AckNack.Desc.BEGINNING_OF_WINDOW = eow; - acknack->EGPRS_AckNack.Desc.END_OF_WINDOW = bow; - acknack->EGPRS_AckNack.Desc.STARTING_SEQUENCE_NUMBER = ssn; - acknack->EGPRS_AckNack.Desc.Exist_CRBB = 0; /* TODO: Implement compressed bitmaps */ - acknack->EGPRS_AckNack.Desc.URBB_LENGTH = 64; - - Encoding::encode_rbb(rbb, acknack->EGPRS_AckNack.Desc.URBB); -} - -/* generate uplink ack */ -void Encoding::write_packet_uplink_ack(struct gprs_rlcmac_bts *bts, - RlcMacDownlink_t * block, struct gprs_rlcmac_ul_tbf *tbf, - uint8_t final) -{ - // Packet Uplink Ack/Nack TS 44.060 11.2.28 - Packet_Uplink_Ack_Nack_t *acknack; - - LOGP(DRLCMACUL, LOGL_DEBUG, "Encoding Ack/Nack for %s " - "(final=%d)\n", tbf_name(tbf), final); - - block->PAYLOAD_TYPE = 0x1; // RLC/MAC control block that does not include the optional octets of the RLC/MAC control header - block->RRBP = 0x0; // N+13 - block->SP = final; // RRBP field is valid, if it is final ack - block->USF = 0x0; // Uplink state flag - - acknack = &block->u.Packet_Uplink_Ack_Nack; - - acknack->MESSAGE_TYPE = 0x9; // Packet Downlink Assignment - acknack->PAGE_MODE = 0x0; // Normal Paging - acknack->UPLINK_TFI = tbf->tfi(); // Uplink TFI - - if (tbf->is_egprs_enabled()) { - /* PU_AckNack_EGPRS = on */ - acknack->UnionType = 0x1; - acknack->u.PU_AckNack_EGPRS_Struct.UnionType = 0x0; - write_packet_uplink_ack_egprs(bts, - &acknack->u.PU_AckNack_EGPRS_Struct.u.PU_AckNack_EGPRS_00, - tbf, final); - } else { - /* PU_AckNack_GPRS = on */ - acknack->UnionType = 0x0; - write_packet_uplink_ack_gprs(bts, - &acknack->u.PU_AckNack_GPRS_Struct, tbf, final); - } -} - static void write_packet_ack_nack_desc_gprs( struct gprs_rlcmac_bts *bts, bitvec * dest, unsigned& wp, gprs_rlc_ul_window *window, bool is_final) |