mirror of https://github.com/PentHertz/srsLTE.git
unify RLC interface for writing SDUs w/ and w/o blocking
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parent
3950629a75
commit
89df8f1582
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@ -86,8 +86,7 @@ public:
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uint32_t get_bearer();
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// PDCP interface
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void write_sdu(byte_buffer_t *sdu);
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void write_sdu_nb(byte_buffer_t *sdu);
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void write_sdu(byte_buffer_t *sdu, bool blocking = true);
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// MAC interface
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uint32_t get_buffer_state();
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@ -166,8 +166,7 @@ public:
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virtual void reset_metrics() = 0;
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// PDCP interface
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virtual void write_sdu(byte_buffer_t *sdu) = 0;
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virtual void write_sdu_nb(byte_buffer_t *sdu) = 0;
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virtual void write_sdu(byte_buffer_t *sdu, bool blocking) = 0;
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// MAC interface
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virtual uint32_t get_buffer_state() = 0;
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@ -59,8 +59,7 @@ public:
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void reset_metrics();
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// PDCP interface
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void write_sdu(byte_buffer_t *sdu);
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void write_sdu_nb(byte_buffer_t *sdu);
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void write_sdu(byte_buffer_t *sdu, bool blocking);
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// MAC interface
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uint32_t get_buffer_state();
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@ -65,8 +65,7 @@ public:
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uint32_t get_bearer();
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// PDCP interface
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void write_sdu(byte_buffer_t *sdu);
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void write_sdu_nb(byte_buffer_t *sdu);
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void write_sdu(byte_buffer_t *sdu, bool blocking = true);
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// MAC interface
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uint32_t get_buffer_state();
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@ -202,11 +202,7 @@ void rlc::write_sdu(uint32_t lcid, byte_buffer_t *sdu, bool blocking)
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{
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pthread_rwlock_rdlock(&rwlock);
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if (valid_lcid(lcid)) {
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if (blocking) {
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rlc_array.at(lcid)->write_sdu(sdu);
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} else {
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rlc_array.at(lcid)->write_sdu_nb(sdu);
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}
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rlc_array.at(lcid)->write_sdu(sdu, blocking);
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} else {
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rlc_log->warning("RLC LCID %d doesn't exist. Deallocating SDU\n", lcid);
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byte_buffer_pool::get_instance()->deallocate(sdu);
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@ -218,7 +214,7 @@ void rlc::write_sdu_mch(uint32_t lcid, byte_buffer_t *sdu)
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{
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pthread_rwlock_rdlock(&rwlock);
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if (valid_lcid_mrb(lcid)) {
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rlc_array_mrb.at(lcid)->write_sdu_nb(sdu);
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rlc_array_mrb.at(lcid)->write_sdu(sdu, false); // write in non-blocking mode by default
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} else {
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rlc_log->warning("RLC LCID %d doesn't exist. Deallocating SDU\n", lcid);
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byte_buffer_pool::get_instance()->deallocate(sdu);
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@ -199,32 +199,25 @@ uint32_t rlc_am::get_bearer()
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* PDCP interface
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***************************************************************************/
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void rlc_am::write_sdu(byte_buffer_t *sdu)
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void rlc_am::write_sdu(byte_buffer_t *sdu, bool blocking)
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{
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if (!tx_enabled) {
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byte_buffer_pool::get_instance()->deallocate(sdu);
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return;
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}
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if (sdu) {
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tx_sdu_queue.write(sdu);
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log->info_hex(sdu->msg, sdu->N_bytes, "%s Tx SDU (%d B, tx_sdu_queue_len=%d)", rrc->get_rb_name(lcid).c_str(), sdu->N_bytes, tx_sdu_queue.size());
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} else {
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log->warning("NULL SDU pointer in write_sdu()\n");
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}
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}
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void rlc_am::write_sdu_nb(byte_buffer_t *sdu)
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{
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if (!tx_enabled) {
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byte_buffer_pool::get_instance()->deallocate(sdu);
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return;
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}
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if (sdu) {
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if (tx_sdu_queue.try_write(sdu)) {
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if (blocking) {
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// block on write to queue
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tx_sdu_queue.write(sdu);
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log->info_hex(sdu->msg, sdu->N_bytes, "%s Tx SDU (%d B, tx_sdu_queue_len=%d)", rrc->get_rb_name(lcid).c_str(), sdu->N_bytes, tx_sdu_queue.size());
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} else {
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log->debug_hex(sdu->msg, sdu->N_bytes, "[Dropped SDU] %s Tx SDU (%d B, tx_sdu_queue_len=%d)", rrc->get_rb_name(lcid).c_str(), sdu->N_bytes, tx_sdu_queue.size());
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pool->deallocate(sdu);
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// non-blocking write
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if (tx_sdu_queue.try_write(sdu)) {
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log->info_hex(sdu->msg, sdu->N_bytes, "%s Tx SDU (%d B, tx_sdu_queue_len=%d)", rrc->get_rb_name(lcid).c_str(), sdu->N_bytes, tx_sdu_queue.size());
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} else {
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log->debug_hex(sdu->msg, sdu->N_bytes, "[Dropped SDU] %s Tx SDU (%d B, tx_sdu_queue_len=%d)", rrc->get_rb_name(lcid).c_str(), sdu->N_bytes, tx_sdu_queue.size());
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pool->deallocate(sdu);
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}
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}
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} else {
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log->warning("NULL SDU pointer in write_sdu()\n");
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@ -96,35 +96,26 @@ uint32_t rlc_tm::get_bearer()
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}
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// PDCP interface
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void rlc_tm::write_sdu(byte_buffer_t *sdu)
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void rlc_tm::write_sdu(byte_buffer_t *sdu, bool blocking)
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{
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if (!tx_enabled) {
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byte_buffer_pool::get_instance()->deallocate(sdu);
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return;
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}
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if (sdu) {
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ul_queue.write(sdu);
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log->info_hex(sdu->msg, sdu->N_bytes, "%s Tx SDU, queue size=%d, bytes=%d",
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rrc->get_rb_name(lcid).c_str(), ul_queue.size(), ul_queue.size_bytes());
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} else {
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log->warning("NULL SDU pointer in write_sdu()\n");
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}
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}
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void rlc_tm::write_sdu_nb(byte_buffer_t *sdu)
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{
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if (!tx_enabled) {
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byte_buffer_pool::get_instance()->deallocate(sdu);
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return;
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}
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if (sdu) {
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if (ul_queue.try_write(sdu)) {
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if (blocking) {
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ul_queue.write(sdu);
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log->info_hex(sdu->msg, sdu->N_bytes, "%s Tx SDU, queue size=%d, bytes=%d",
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rrc->get_rb_name(lcid).c_str(), ul_queue.size(), ul_queue.size_bytes());
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} else {
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log->debug_hex(sdu->msg, sdu->N_bytes, "[Dropped SDU] %s Tx SDU, queue size=%d, bytes=%d",
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if (ul_queue.try_write(sdu)) {
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log->info_hex(sdu->msg, sdu->N_bytes, "%s Tx SDU, queue size=%d, bytes=%d",
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rrc->get_rb_name(lcid).c_str(), ul_queue.size(), ul_queue.size_bytes());
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} else {
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log->debug_hex(sdu->msg, sdu->N_bytes, "[Dropped SDU] %s Tx SDU, queue size=%d, bytes=%d",
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rrc->get_rb_name(lcid).c_str(), ul_queue.size(), ul_queue.size_bytes());
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pool->deallocate(sdu);
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pool->deallocate(sdu);
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}
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}
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} else {
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log->warning("NULL SDU pointer in write_sdu()\n");
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@ -142,14 +142,14 @@ uint32_t rlc_um::get_bearer()
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/****************************************************************************
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* PDCP interface
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***************************************************************************/
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void rlc_um::write_sdu(byte_buffer_t *sdu)
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void rlc_um::write_sdu(byte_buffer_t *sdu, bool blocking)
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{
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tx.write_sdu(sdu);
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}
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if (blocking) {
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tx.write_sdu(sdu);
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} else {
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tx.try_write_sdu(sdu);
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}
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void rlc_um::write_sdu_nb(byte_buffer_t *sdu)
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{
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tx.try_write_sdu(sdu);
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}
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/****************************************************************************
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