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rlc_am: directly add lower edge of tx window in case of a retx

This commit is contained in:
Andre Puschmann 2018-02-07 20:47:49 +01:00
parent 7fde6e4933
commit fe069073f0
1 changed files with 10 additions and 11 deletions
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21
lib/src/upper/rlc_am.cc
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@ -315,18 +315,17 @@ int rlc_am::read_pdu(uint8_t *payload, uint32_t nof_bytes)
// if tx_window is full and retx_queue empty, retransmit next PDU to be ack'ed
if (tx_window.size() >= RLC_AM_WINDOW_SIZE && retx_queue.size() == 0) {
// make sure this SN is still in the Tx window
uint32_t retx_sn = vt_a;
while (tx_window[retx_sn].buf == NULL) {
retx_sn++;
if (tx_window[vt_a].buf != NULL) {
log->warning("Full Tx window, ReTx'ing first outstanding PDU\n");
rlc_amd_retx_t retx;
retx.is_segment = false;
retx.so_start = 0;
retx.so_end = tx_window[vt_a].buf->N_bytes;
retx.sn = vt_a;
retx_queue.push_back(retx);
} else {
log->error("Found invalid PDU in tx_window.\n");
}
rlc_amd_retx_t retx;
retx.is_segment = false;
retx.so_start = 0;
retx.so_end = tx_window[retx_sn].buf->N_bytes;
retx.sn = retx_sn;
retx_queue.push_back(retx);
}
// RETX if required