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RLC AM fix specific reassembly issue

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This commit is contained in:
hbilel
2017-03-28 18:08:00 +02:00
parent 1213521c30
commit 3c7c61a46c
2 changed files with 35 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files
openair2/LAYER2/RLC/AM_v9.3.0/rlc_am_rx_list.c
+33 -4
View File
@@ -796,6 +796,9 @@ rlc_am_rx_list_check_duplicate_insert_pdu(
rlc_am_rx_pdu_status_t pdu_status = RLC_AM_DATA_PDU_STATUS_OK;
// it is assumed this pdu is in rx window
/* Init Reassembly status */
((rlc_am_rx_pdu_management_t*)(tb_pP->data))->segment_reassembled = RLC_AM_RX_PDU_SEGMENT_REASSEMBLE_NO;
if (cursor_p == NULL) {
LOG_D(RLC, PROTOCOL_RLC_AM_CTXT_FMT"[INSERT PDU] LINE %d RX PDU SN %04d (only inserted)\n",
PROTOCOL_RLC_AM_CTXT_ARGS(ctxt_pP,rlc_pP),
@@ -806,9 +809,6 @@ rlc_am_rx_list_check_duplicate_insert_pdu(
}
/* Init Reassembly status */
((rlc_am_rx_pdu_management_t*)(tb_pP->data))->segment_reassembled = RLC_AM_RX_PDU_SEGMENT_REASSEMBLE_NO;
if (pdu_rx_info_p->rf == 0) { // Case normal PDU received
pdu_status = rlc_am_rx_list_handle_pdu(ctxt_pP,rlc_pP,tb_pP);
}
@@ -1396,6 +1396,7 @@ rlc_am_rx_mark_all_segments_received(
}
}
//-----------------------------------------------------------------------------
//#define RLC_AM_DEBUG_REASSEMBLY
void
rlc_am_rx_list_reassemble_rlc_sdus(
const protocol_ctxt_t* const ctxt_pP,
@@ -1413,6 +1414,9 @@ rlc_am_rx_list_reassemble_rlc_sdus(
rlc_am_rx_pdu_management_t* rlc_am_rx_pdu_management_p = ((rlc_am_rx_pdu_management_t*)(cursor_p->data));
pdu_info_p = &((rlc_am_rx_pdu_management_t*)(cursor_p->data))->pdu_info;
#ifdef RLC_AM_DEBUG_REASSEMBLY
rlc_usn_t sn_reass_start = pdu_info_p->sn;
#endif
/* Specific process for the first SN if all PDU segments had been reassembled but not freed */
if ((rlc_am_rx_pdu_management_p->all_segments_received > 0) && (pdu_info_p->rf != 0)) {
@@ -1445,6 +1449,10 @@ rlc_am_rx_list_reassemble_rlc_sdus(
cursor_p = list2_get_head(&rlc_pP->receiver_buffer);
if (cursor_p == NULL) {
#ifdef RLC_AM_DEBUG_REASSEMBLY
LOG_D(RLC, "RLC AM REASSEMBLY from sn=%d to ALL, vrR=%d vrMS=%d\n",
sn_reass_start,rlc_pP->vr_r,rlc_pP->vr_ms);
#endif
return;
}
@@ -1458,6 +1466,10 @@ rlc_am_rx_list_reassemble_rlc_sdus(
cursor_p = cursor_p->next;
if (cursor_p == NULL) {
#ifdef RLC_AM_DEBUG_REASSEMBLY
LOG_D(RLC, "RLC AM REASSEMBLY from sn=%d to ALL, Last is Segment, vrR=%d vrMS=%d\n",
sn_reass_start,rlc_pP->vr_r,rlc_pP->vr_ms);
#endif
return;
}
@@ -1482,12 +1494,29 @@ rlc_am_rx_list_reassemble_rlc_sdus(
PROTOCOL_RLC_AM_CTXT_ARGS(ctxt_pP,rlc_pP));
}
#endif
#ifdef RLC_AM_DEBUG_REASSEMBLY
LOG_D(RLC, "RLC AM REASSEMBLY from sn=%d to ALL, vrR=%d vrMS=%d\n",
sn_reass_start,rlc_pP->vr_r,rlc_pP->vr_ms);
#endif
return;
}
} while (((rlc_am_rx_pdu_management_p->pdu_info.sn == ((rlc_am_rx_old_pdu_management->pdu_info.sn + 1) & RLC_AM_SN_MASK)) && (rlc_am_rx_old_pdu_management->all_segments_received > 0))
} while (((RLC_AM_DIFF_SN(rlc_am_rx_pdu_management_p->pdu_info.sn,rlc_am_rx_old_pdu_management->pdu_info.sn) < 2) && (rlc_am_rx_old_pdu_management->all_segments_received > 0))
|| ((rlc_am_rx_pdu_management_p->pdu_info.sn == rlc_am_rx_old_pdu_management->pdu_info.sn) && (rlc_am_rx_pdu_management_p->segment_reassembled != RLC_AM_RX_PDU_SEGMENT_REASSEMBLE_NO)));
#ifdef RLC_AM_DEBUG_REASSEMBLY
mem_block_t* cursor_head_p = list2_get_head(&rlc_pP->receiver_buffer);
if (cursor_head_p == NULL) {
return;
}
rlc_am_pdu_info_t* pdu_info_head_p = &((rlc_am_rx_pdu_management_t*)(cursor_head_p->data))->pdu_info;
LOG_D(RLC, "RLC AM REASSEMBLY from sn=%d to sn=%d, next_sn=%d head sn=%d vrR=%d vrMS=%d\n",
sn_reass_start,rlc_am_rx_old_pdu_management->pdu_info.sn,rlc_am_rx_pdu_management_p->pdu_info.sn,pdu_info_head_p->sn,rlc_pP->vr_r,rlc_pP->vr_ms);
#endif
}
//-----------------------------------------------------------------------------
mem_block_t *
openair2/UTIL/LISTS/list2.c
+2
View File
@@ -233,6 +233,8 @@ list2_add_head (mem_block_t * elementP, list2_t * listP)
// almost one element
if (head == NULL) {
elementP->previous = NULL;
elementP->next = NULL;
listP->head = elementP;
listP->tail = elementP;
} else {