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If TB buffer's all regments recieved is NOT equal RLC's all regments recieved, discard that TB buffer.

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This commit is contained in:
Masayuki HARADA
2018-02-15 20:10:08 +09:00
parent 897d3c49df
commit d82ebce55b
1 changed files with 8 additions and 2 deletions
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openair2/LAYER2/RLC/AM_v9.3.0/rlc_am_receiver.c
+8 -2
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@@ -396,14 +396,20 @@ rlc_am_receive_process_data_pdu (
} }
if (pdu_info_p->sn == rlc_pP->vr_r) { if (pdu_info_p->sn == rlc_pP->vr_r) {
mem_block_t* cursor_p = rlc_pP->receiver_buffer.head;
rlc_am_rx_pdu_management_t * pdu_cursor_mgnt_p = (rlc_am_rx_pdu_management_t *) (cursor_p->data);
if( (((rlc_am_rx_pdu_management_t*)(tb_pP->data))->all_segments_received) == (pdu_cursor_mgnt_p->all_segments_received)){
if (((rlc_am_rx_pdu_management_t*)(tb_pP->data))->all_segments_received) { if (((rlc_am_rx_pdu_management_t*)(tb_pP->data))->all_segments_received) {
rlc_am_rx_update_vr_r(ctxt_pP, rlc_pP, tb_pP); rlc_am_rx_update_vr_r(ctxt_pP, rlc_pP, tb_pP);
rlc_pP->vr_mr = (rlc_pP->vr_r + RLC_AM_WINDOW_SIZE) & RLC_AM_SN_MASK; rlc_pP->vr_mr = (rlc_pP->vr_r + RLC_AM_WINDOW_SIZE) & RLC_AM_SN_MASK;
} }
reassemble = rlc_am_rx_check_vr_reassemble(ctxt_pP, rlc_pP); reassemble = rlc_am_rx_check_vr_reassemble(ctxt_pP, rlc_pP);
//TODO : optimization : check whether a reassembly is needed by looking at LI, FI, SO, etc... //TODO : optimization : check whether a reassembly is needed by looking at LI, FI, SO, etc...
}else{
LOG_E(RLC, "BAD all_segments_received!!! discard buffer!!!\n");
/* Discard received block if out of window, duplicate or header error */
free_mem_block (tb_pP, __func__);
}
} }
//FNA: fix check VrX out of receiving window //FNA: fix check VrX out of receiving window