diff --git a/openair2/LAYER2/MAC/ue_procedures.c b/openair2/LAYER2/MAC/ue_procedures.c index 28520802c7fd71bc5171ec9ef52a6caa5aae80c4..886ccff238590eb2c36e2019be71f83ae2f0cd0b 100644 --- a/openair2/LAYER2/MAC/ue_procedures.c +++ b/openair2/LAYER2/MAC/ue_procedures.c @@ -70,6 +70,8 @@ #define DEBUG_HEADER_PARSING 1 #define ENABLE_MAC_PAYLOAD_DEBUG 1 +extern uint8_t usim_test; + /* #ifndef USER_MODE #define msg debug_msg @@ -1408,6 +1410,13 @@ for (lcid=DCCH; lcid < DTCH ; lcid++) { //Adjust at the end of the loop while ((!is_lcid_processed) && (bsr_len + phr_len + total_rlc_pdu_header_len + sdu_length_total + MIN_MAC_HDR_RLC_SIZE <= buflen)) { + // Workaround for issue in OAI eNB or EPC which are not able to process SRB2 message multiplexed with SRB1 on the same MAC PDU + if ((usim_test == 0) && (lcid == DCCH1) && (lcid_rlc_pdu_count == 0) && (num_sdus)) { + + // Skip SRB2 multiplex if at least one SRB1 SDU is already multiplexed + break; + } + buflen_remain = buflen - (bsr_len + phr_len + total_rlc_pdu_header_len + sdu_length_total + 1); rlc_status = mac_rlc_status_ind(module_idP, @@ -1419,8 +1428,21 @@ for (lcid=DCCH; lcid < DTCH ; lcid++) { lcid, buflen_remain); + // Workaround for BO issue in RLC AM ReTx : RLC BO can not be bigger than stored MAC BO + if (UE_mac_inst[module_idP].scheduling_info.LCID_buffer_remain[lcid] < rlc_status.bytes_in_buffer) { + + LOG_I(MAC, "[UE %d] Frame %d Subframe%d: WARNING Inconsistent BO! for LCID=%d MAC=%d RLC=%d RLC PDU nb=%d\n", + module_idP,frameP,subframe, + lcid,UE_mac_inst[module_idP].scheduling_info.LCID_buffer_remain[lcid],rlc_status.bytes_in_buffer,lcid_rlc_pdu_count); + + // Skip multiplexing for the LCID + break; + } + + /* AssertFatal ( UE_mac_inst[module_idP].scheduling_info.LCID_buffer_remain[lcid] >= rlc_status.bytes_in_buffer, "Inconsistent BO! for LCID=%d MAC=%d RLC=%d RLC PDU nb=%d Frame %d Subrame %d\n", lcid,UE_mac_inst[module_idP].scheduling_info.LCID_buffer_remain[lcid],rlc_status.bytes_in_buffer,lcid_rlc_pdu_count,frameP,subframe); + */ if (rlc_status.bytes_in_buffer > 0) { @@ -1535,8 +1557,21 @@ if (UE_mac_inst[module_idP].scheduling_info.LCID_status[lcid] == LCID_NOT_EMPTY) lcid, buflen_remain); - AssertFatal ( UE_mac_inst[module_idP].scheduling_info.LCID_buffer_remain[lcid] >= rlc_status.bytes_in_buffer, "Inconsistent BO! for LCID=%d MAC=%d RLC=%d RLC PDU nb=%d Frame %d Subrame %d\n", + // Workaround for BO issue in RLC AM ReTx : RLC BO can not be bigger than stored MAC BO + if (UE_mac_inst[module_idP].scheduling_info.LCID_buffer_remain[lcid] < rlc_status.bytes_in_buffer) { + + LOG_I(MAC, "[UE %d] Frame %d Subframe%d: WARNING Inconsistent BO! for LCID=%d MAC=%d RLC=%d RLC PDU nb=%d\n", + module_idP,frameP,subframe, + lcid,UE_mac_inst[module_idP].scheduling_info.LCID_buffer_remain[lcid],rlc_status.bytes_in_buffer,lcid_rlc_pdu_count); + + // Skip multiplexing for the LCID + break; + } + + /* + AssertFatal ( UE_mac_inst[module_idP].scheduling_info.LCID_buffer_remain[lcid] >= rlc_status.bytes_in_buffer, "Inconsistent BO! for LCID=%d MAC=%d RLC=%d RLC PDU nb=%d Frame %d Subrame %d\n", lcid,UE_mac_inst[module_idP].scheduling_info.LCID_buffer_remain[lcid],rlc_status.bytes_in_buffer,lcid_rlc_pdu_count,frameP,subframe); + */ if (rlc_status.bytes_in_buffer > 0) {