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RLC AM Fix on ReTx

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This commit is contained in:
GabrielCouturier
2017-03-15 16:54:01 +01:00
parent bf71c6f01e
commit 18f628848c
3 changed files with 38 additions and 29 deletions
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openair2/LAYER2/RLC/AM_v9.3.0/rlc_am.c
+3
View File
@@ -1236,6 +1236,8 @@ rlc_am_data_req (
l_rlc_p->input_sdus[l_rlc_p->next_sdu_index].flags.no_new_sdu_segmented_in_last_pdu = 0;
//l_rlc_p->input_sdus[l_rlc_p->next_sdu_index].li_index_for_discard = -1;
l_rlc_p->next_sdu_index = (l_rlc_p->next_sdu_index + 1) % RLC_AM_SDU_CONTROL_BUFFER_SIZE;
if (l_rlc_p->channel_id <3)
{
LOG_I(RLC, PROTOCOL_RLC_AM_CTXT_FMT" RLC_AM_DATA_REQ size %d Bytes, NB SDU %d current_sdu_index=%d next_sdu_index=%d conf %d mui %d\n",
PROTOCOL_RLC_AM_CTXT_ARGS(ctxt_pP,l_rlc_p),
data_size,
@@ -1244,6 +1246,7 @@ rlc_am_data_req (
l_rlc_p->next_sdu_index,
conf,
mui);
}
} else {
#if MESSAGE_CHART_GENERATOR
mui = ((struct rlc_am_data_req*) (sdu_pP->data))->mui;
openair2/LAYER2/RLC/AM_v9.3.0/rlc_am_retransmit.c
+30 -27
View File
@@ -375,33 +375,33 @@ mem_block_t* rlc_am_retransmit_get_am_segment(
li_bit_offset ^= 0x4;
li_jump_offset ^= 0x3;
data_size += sdu_size;
sdu_index = 1;
/* Loop on all original LIs */
while ((data_size < retx_so_start + 1) && (sdu_index + 1 < pdu_mngt->nb_sdus - 1))
while ((data_size < retx_so_start + 1) && (sdu_index < pdu_mngt->nb_sdus))
{
if (sdu_index < pdu_mngt->nb_sdus - 1)
{
temp_read = ((*pdu_original_header_p) << 8) | (*(pdu_original_header_p + 1));
sdu_size = RLC_AM_PDU_GET_LI(temp_read,li_bit_offset);
pdu_original_header_p += li_jump_offset;
li_bit_offset ^= 0x4;
li_jump_offset ^= 0x3;
data_size += sdu_size;
}
else
{
/* if retx_so_start is still not included then set data_size with full original PDU data size */
/* Set fi_start to FALSE in this case */
data_size = pdu_mngt->payload_size;
}
sdu_index ++;
temp_read = ((*pdu_original_header_p) << 8) | (*(pdu_original_header_p + 1));
sdu_size = RLC_AM_PDU_GET_LI(temp_read,li_bit_offset);
pdu_original_header_p += li_jump_offset;
li_bit_offset ^= 0x4;
li_jump_offset ^= 0x3;
data_size += sdu_size;
}
/* if retx_so_start is still not included then set data_size with full original PDU data size */
/* Set fi_start to FALSE in this case */
if ((data_size < retx_so_start + 1) && (sdu_index == pdu_mngt->nb_sdus - 1))
{
data_size = pdu_mngt->payload_size;
fi_start = FALSE;
}
else if (retx_so_start == data_size)
if (retx_so_start == data_size)
{
/* Set FI Start if retx_so_start = cumulated data size */
fi_start = TRUE;
/* jump to next SDU */
sdu_index ++;
/* there must be at least one SDU more */
AssertFatal (sdu_index < pdu_mngt->nb_sdus, "RLC AM Tx PDU Segment Error: sdu_index=%d nb_sdus=%d sn=%d LcId=%d !\n",
sdu_index,pdu_mngt->nb_sdus,sn,rlc_pP->channel_id);
@@ -419,6 +419,8 @@ mem_block_t* rlc_am_retransmit_get_am_segment(
/* It was the last LI, then set data_size to full original PDU size */
data_size = pdu_mngt->payload_size;
}
/* Go to next SDU */
sdu_index ++;
}
else if (retx_so_start != 0)
{
@@ -449,7 +451,6 @@ mem_block_t* rlc_am_retransmit_get_am_segment(
/* Now look for the end if it was not set previously */
if (*payload_sizeP == 0)
{
sdu_index ++;
sdu_segment_index ++;
while ((sdu_index < pdu_mngt->nb_sdus) && (data_size < retx_so_stop + 1))
{
@@ -489,16 +490,19 @@ mem_block_t* rlc_am_retransmit_get_am_segment(
sdu_segment_index = 0;
while ((sdu_segment_index < num_LIs_pdu_segment + 1) && (rlc_pP->nb_bytes_requested_by_mac > *payload_sizeP + RLC_AM_PDU_SEGMENT_HEADER_SIZE(sdu_segment_index)))
{
AssertFatal (sdus_segment_size[sdu_segment_index] > 0, "RLC AM Tx PDU Segment Data Error: EMpty LI index=%d numLISegment=%d numLIPDU=%d PDULength=%d SOStart=%d SOStop=%d sn=%d LcId=%d !\n",
sdu_segment_index,num_LIs_pdu_segment,pdu_mngt->nb_sdus - 1,pdu_mngt->payload_size,retx_so_start,retx_so_stop,sn,rlc_pP->channel_id);
/* Add next sdu_segment_index to data part */
if (RLC_AM_PDU_SEGMENT_HEADER_SIZE(sdu_segment_index) + sdus_segment_size[sdu_segment_index] <= rlc_pP->nb_bytes_requested_by_mac)
if (RLC_AM_PDU_SEGMENT_HEADER_SIZE(sdu_segment_index) + (*payload_sizeP) + sdus_segment_size[sdu_segment_index] <= rlc_pP->nb_bytes_requested_by_mac)
{
(*payload_sizeP) += sdus_segment_size[sdu_segment_index];
}
else
{
/* bound to available TBS size */
(*payload_sizeP) += (rlc_pP->nb_bytes_requested_by_mac - RLC_AM_PDU_SEGMENT_HEADER_SIZE(sdu_segment_index));
sdus_segment_size[sdu_segment_index] = rlc_pP->nb_bytes_requested_by_mac - RLC_AM_PDU_SEGMENT_HEADER_SIZE(sdu_segment_index);
sdus_segment_size[sdu_segment_index] = rlc_pP->nb_bytes_requested_by_mac - RLC_AM_PDU_SEGMENT_HEADER_SIZE(sdu_segment_index) - (*payload_sizeP);
(*payload_sizeP) += sdus_segment_size[sdu_segment_index];
}
header_segment_length = RLC_AM_PDU_SEGMENT_HEADER_SIZE(sdu_segment_index);
sdu_segment_index ++;
@@ -511,9 +515,9 @@ mem_block_t* rlc_am_retransmit_get_am_segment(
/* update retx_so_stop */
retx_so_stop = retx_so_start + (*payload_sizeP) - 1;
AssertFatal (retx_so_stop <= pdu_mngt->payload_size - 1,
"RLC AM Tx PDU Segment Data Error: retx_so_stop=%d OriginalPDUDataLength=%d SOStart=%d SegmentLength=%d numLISegment=%d sn=%d LcId=%d !\n",
retx_so_stop,pdu_mngt->payload_size,retx_so_start,*payload_sizeP,num_LIs_pdu_segment,sn,rlc_pP->channel_id);
AssertFatal ((retx_so_stop <= pdu_mngt->payload_size - 1) && (retx_so_stop - retx_so_start + 1 < pdu_mngt->payload_size),
"RLC AM Tx PDU Segment Data Error: retx_so_stop=%d OriginalPDUDataLength=%d SOStart=%d SegmentLength=%d numLISegment=%d numLIPDU=%d sn=%d LcId=%d !\n",
retx_so_stop,pdu_mngt->payload_size,retx_so_start,*payload_sizeP,num_LIs_pdu_segment,pdu_mngt->nb_sdus - 1,sn,rlc_pP->channel_id);
/* init FI End to FALSE if retx_so_stop is not end of PDU */
if (retx_so_stop != pdu_mngt->payload_size - 1)
@@ -526,8 +530,6 @@ mem_block_t* rlc_am_retransmit_get_am_segment(
data_size = 0;
for (int i = 0; i < num_LIs_pdu_segment + 1; i++)
{
AssertFatal (sdus_segment_size[i] > 0, "RLC AM Tx PDU Segment Data Error: EMpty LI index=%d numLISegment=%d numLIPDU=%d PDULength=%d SOStart=%d SOStop=%d sn=%d LcId=%d !\n",
i,num_LIs_pdu_segment,pdu_mngt->nb_sdus - 1,pdu_mngt->payload_size,retx_so_start,retx_so_stop,sn,rlc_pP->channel_id);
data_size += sdus_segment_size[i];
if ((retx_so_stop == data_size - 1) && (i < num_LIs_pdu_segment))
{
@@ -573,6 +575,7 @@ mem_block_t* rlc_am_retransmit_get_am_segment(
/* Retx size is reset in the calling function */
pdu_mngt->num_holes = 0;
pdu_mngt->retx_hole_index = 0;
pdu_mngt->nack_so_start = 0;
}
}
else
openair2/LAYER2/RLC/AM_v9.3.0/rlc_am_status_report.c
+5 -2
View File
@@ -384,8 +384,8 @@ rlc_am_receive_process_control_pdu(
} else {
LOG_N(RLC, PROTOCOL_RLC_AM_CTXT_FMT" WARNING CONTROL PDU ACK SN OUT OF WINDOW\n",
PROTOCOL_RLC_AM_CTXT_ARGS(ctxt_pP,rlc_pP));
LOG_N(RLC, PROTOCOL_RLC_AM_CTXT_FMT" WARNING CONTROL PDU ACK SN %d OUT OF WINDOW vtA=%d vtS=%d\n",
PROTOCOL_RLC_AM_CTXT_ARGS(ctxt_pP,rlc_pP),ack_sn,rlc_pP->vt_a,rlc_pP->vt_s);
status = FALSE;
}
} else {
@@ -416,6 +416,9 @@ rlc_am_receive_process_control_pdu(
rlc_am_pdu_sdu_data_cnf(ctxt_pP,rlc_pP,sn_data_cnf);
}
LOG_D(RLC, PROTOCOL_RLC_AM_CTXT_FMT" RECEIVE STATUS PDU ACK_SN=%d NewvtA=%d OldvtA=%d SnDataCnf=%d DataCnfSOStop=%d vtS=%d\n",
PROTOCOL_RLC_AM_CTXT_ARGS(ctxt_pP,rlc_pP),ack_sn,vt_a_new,rlc_pP->vt_a,sn_data_cnf,data_cnf_so_stop,rlc_pP->vt_s);
/* Update vtA and vtMS */
rlc_pP->vt_a = vt_a_new;
rlc_pP->vt_ms = (rlc_pP->vt_a + RLC_AM_WINDOW_SIZE) & RLC_AM_SN_MASK;