mirror of https://github.com/PentHertz/srsLTE.git
rlc_am: don't build new PDUs if tx window is full
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@ -676,6 +676,12 @@ int rlc_am::build_data_pdu(uint8_t *payload, uint32_t nof_bytes)
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return 0;
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}
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// do not build any more PDU if window is already full
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if (!tx_sdu && tx_window.size() >= RLC_AM_WINDOW_SIZE) {
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log->info("Tx window full.\n");
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return 0;
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}
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byte_buffer_t *pdu = pool_allocate;
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if (!pdu) {
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log->console("Fatal Error: Could not allocate PDU in build_data_pdu()\n");
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