mirror of https://github.com/PentHertz/srsLTE.git
extend MAC PDU test
This commit is contained in:
Andre Puschmann
parent
2dfc6698eb
commit
6d586d84a8
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@ -19,8 +19,14 @@
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*
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*/
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#include "srslte/common/common.h"
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#include "srslte/common/interfaces_common.h"
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#include "srslte/common/log_filter.h"
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#include "srslte/common/mac_pcap.h"
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#include "srslte/common/pdu.h"
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#include "srslte/interfaces/ue_interfaces.h"
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#include <iostream>
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#include <map>
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#define TESTASSERT(cond) \
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{ \
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@ -30,6 +36,10 @@
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} \
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}
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#define HAVE_PCAP 0
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static std::unique_ptr<srslte::mac_pcap> pcap_handle = nullptr;
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using namespace srslte;
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#define CRNTI (0x1001)
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@ -84,8 +94,6 @@ int mac_rar_pdu_unpack_test2()
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int mac_rar_pdu_pack_test1()
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{
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uint8_t rar_buffer[64] = {};
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// Prepare RAR grant
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uint8_t grant_buffer[64] = {};
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srslte_dci_rar_grant_t rar_grant = {};
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@ -94,25 +102,25 @@ int mac_rar_pdu_pack_test1()
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// Create MAC PDU and add RAR subheader
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srslte::rar_pdu rar_pdu;
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rar_pdu.init_tx(rar_buffer, 64);
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byte_buffer_t tx_buffer;
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rar_pdu.init_tx(&tx_buffer, 64);
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if (rar_pdu.new_subh()) {
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rar_pdu.get()->set_rapid(RAPID_TV1);
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rar_pdu.get()->set_ta_cmd(TA_CMD_TV1);
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rar_pdu.get()->set_temp_crnti(CRNTI);
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rar_pdu.get()->set_sched_grant(grant_buffer);
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}
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rar_pdu.write_packet(rar_buffer);
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rar_pdu.write_packet(tx_buffer.msg);
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// compare with TV1
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TESTASSERT(memcmp(rar_buffer, rar_pdu_tv1, sizeof(rar_pdu_tv1)) == 0);
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TESTASSERT(memcmp(tx_buffer.msg, rar_pdu_tv1, sizeof(rar_pdu_tv1)) == 0);
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return SRSLTE_SUCCESS;
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}
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int mac_rar_pdu_pack_test2()
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{
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uint8_t rar_buffer[64] = {};
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// Prepare RAR grant
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uint8_t grant_buffer[64] = {};
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srslte_dci_rar_grant_t rar_grant = {};
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@ -121,7 +129,8 @@ int mac_rar_pdu_pack_test2()
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// Create MAC PDU and add RAR subheader
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srslte::rar_pdu rar_pdu;
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rar_pdu.init_tx(rar_buffer, 64);
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byte_buffer_t tx_buffer;
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rar_pdu.init_tx(&tx_buffer, 64);
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rar_pdu.set_backoff(BACKOFF_IND_TV2);
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if (rar_pdu.new_subh()) {
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rar_pdu.get()->set_rapid(RAPID_TV2);
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@ -129,16 +138,236 @@ int mac_rar_pdu_pack_test2()
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rar_pdu.get()->set_temp_crnti(CRNTI);
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rar_pdu.get()->set_sched_grant(grant_buffer);
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}
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rar_pdu.write_packet(rar_buffer);
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rar_pdu.write_packet(tx_buffer.msg);
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// compare with TV2
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TESTASSERT(memcmp(rar_buffer, rar_pdu_tv2, sizeof(rar_pdu_tv2)) == 0);
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TESTASSERT(memcmp(tx_buffer.msg, rar_pdu_tv2, sizeof(rar_pdu_tv2)) == 0);
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return SRSLTE_SUCCESS;
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}
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// Helper class to provide read_pdu_interface
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class rlc_dummy : public srslte::read_pdu_interface
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{
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public:
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int read_pdu(uint32_t lcid, uint8_t* payload, uint32_t nof_bytes)
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{
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uint32_t len = SRSLTE_MIN(ul_queues[lcid], nof_bytes);
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// set payload bytes to LCID so we can check later if the scheduling was correct
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memset(payload, lcid, len);
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// remove from UL queue
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ul_queues[lcid] -= len;
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return len;
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};
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void write_sdu(uint32_t lcid, uint32_t nof_bytes) { ul_queues[lcid] += nof_bytes; }
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private:
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// UL queues where key is LCID and value the queue length
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std::map<uint32_t, uint32_t> ul_queues;
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};
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// Basic test to pack a MAC PDU with a two SDUs of short length (i.e < 128B for short length header) and multi-byte
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// padding
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int mac_sch_pdu_pack_test1()
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{
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static uint8_t tv[] = {0x21, 0x08, 0x22, 0x08, 0x1f, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
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0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x00, 0x00, 0x00, 0x00};
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srslte::log_filter rlc_log("RLC");
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rlc_log.set_level(srslte::LOG_LEVEL_DEBUG);
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rlc_log.set_hex_limit(100000);
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rlc_dummy rlc;
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srslte::log_filter mac_log("MAC");
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mac_log.set_level(srslte::LOG_LEVEL_DEBUG);
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mac_log.set_hex_limit(100000);
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// create RLC SDUs
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const uint32_t sdu_len = 8;
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rlc.write_sdu(1, sdu_len);
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rlc.write_sdu(2, sdu_len);
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const uint32_t pdu_size = 25;
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srslte::sch_pdu pdu(10);
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byte_buffer_t buffer;
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pdu.init_tx(&buffer, pdu_size, true);
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TESTASSERT(pdu.rem_size() == pdu_size);
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TESTASSERT(pdu.get_pdu_len() == pdu_size);
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TESTASSERT(pdu.get_sdu_space() == pdu_size - 1);
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TESTASSERT(pdu.get_current_sdu_ptr() == buffer.msg);
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// Add first subheader and SDU
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TESTASSERT(pdu.new_subh());
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TESTASSERT(pdu.get()->set_sdu(1, sdu_len, &rlc) == sdu_len);
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// Have used 8 B SDU plus 1 B subheader
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TESTASSERT(pdu.rem_size() == pdu_size - 8 - 1);
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// Add second SCH
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TESTASSERT(pdu.new_subh());
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TESTASSERT(pdu.get()->set_sdu(2, sdu_len, &rlc) == sdu_len);
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TESTASSERT(pdu.rem_size() == pdu_size - 16 - 3);
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// write PDU
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TESTASSERT(pdu.write_packet(&mac_log) == buffer.msg);
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TESTASSERT(buffer.N_bytes == pdu_size);
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// log
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mac_log.info_hex(buffer.msg, buffer.N_bytes, "MAC PDU (%d B):\n", buffer.N_bytes);
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#if HAVE_PCAP
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pcap_handle->write_ul_crnti(buffer.msg, buffer.N_bytes, 0x1001, true, 1);
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#endif
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// compare with TV
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TESTASSERT(memcmp(buffer.msg, tv, sizeof(tv)) == 0);
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return SRSLTE_SUCCESS;
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}
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// Basic test to pack a MAC PDU with a two SDUs of short length (i.e < 128B for short length header) and 2x single-byte
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// padding
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int mac_sch_pdu_pack_test2()
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{
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static uint8_t tv[] = {0x3f, 0x3f, 0x21, 0x08, 0x02, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
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0x01, 0x01, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02};
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srslte::log_filter rlc_log("RLC");
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rlc_log.set_level(srslte::LOG_LEVEL_DEBUG);
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rlc_log.set_hex_limit(100000);
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rlc_dummy rlc;
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srslte::log_filter mac_log("MAC");
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mac_log.set_level(srslte::LOG_LEVEL_DEBUG);
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mac_log.set_hex_limit(100000);
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// create RLC SDUs
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const uint32_t sdu_len = 8;
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rlc.write_sdu(1, sdu_len);
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rlc.write_sdu(2, sdu_len);
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const uint32_t pdu_size = 21;
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srslte::sch_pdu pdu(10);
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byte_buffer_t buffer;
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pdu.init_tx(&buffer, pdu_size, true);
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TESTASSERT(pdu.rem_size() == pdu_size);
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TESTASSERT(pdu.get_pdu_len() == pdu_size);
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TESTASSERT(pdu.get_sdu_space() == pdu_size - 1);
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TESTASSERT(pdu.get_current_sdu_ptr() == buffer.msg);
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// Add first subheader and SDU
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TESTASSERT(pdu.new_subh());
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TESTASSERT(pdu.get()->set_sdu(1, sdu_len, &rlc) == sdu_len);
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// Have used 8 B SDU plus 1 B subheader
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TESTASSERT(pdu.rem_size() == pdu_size - 8 - 1);
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// Add second SCH
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TESTASSERT(pdu.new_subh());
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TESTASSERT(pdu.get()->set_sdu(2, sdu_len, &rlc) == sdu_len);
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TESTASSERT(pdu.rem_size() == pdu_size - 16 - 3);
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// write PDU
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pdu.write_packet(&mac_log);
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// log
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mac_log.info_hex(buffer.msg, buffer.N_bytes, "MAC PDU (%d B):\n", buffer.N_bytes);
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#if HAVE_PCAP
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pcap_handle->write_ul_crnti(buffer.msg, buffer.N_bytes, 0x1001, true, 1);
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#endif
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// compare with TV
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TESTASSERT(memcmp(buffer.msg, tv, sizeof(tv)) == 0);
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return SRSLTE_SUCCESS;
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}
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// Basic test to pack a MAC PDU with one short and one long SDU (i.e >= 128 B for 16bit length header)
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int mac_sch_pdu_pack_test3()
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{
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static uint8_t tv[] = {
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0x21, 0x08, 0x22, 0x80, 0x82, 0x1f, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x02, 0x02, 0x02, 0x02, 0x02,
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0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02,
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0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02,
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0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02,
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0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02,
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0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02,
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0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02,
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0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
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srslte::log_filter rlc_log("RLC");
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rlc_log.set_level(srslte::LOG_LEVEL_DEBUG);
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rlc_log.set_hex_limit(100000);
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rlc_dummy rlc;
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srslte::log_filter mac_log("MAC");
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mac_log.set_level(srslte::LOG_LEVEL_DEBUG);
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mac_log.set_hex_limit(100000);
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// create RLC SDUs
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// const uint32_t sdu_len = 130;
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rlc.write_sdu(1, 8);
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rlc.write_sdu(2, 130);
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const uint32_t pdu_size = 150;
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srslte::sch_pdu pdu(10);
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byte_buffer_t buffer;
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pdu.init_tx(&buffer, pdu_size, true);
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TESTASSERT(pdu.rem_size() == pdu_size);
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TESTASSERT(pdu.get_pdu_len() == pdu_size);
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TESTASSERT(pdu.get_sdu_space() == pdu_size - 1);
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TESTASSERT(pdu.get_current_sdu_ptr() == buffer.msg);
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TESTASSERT(pdu.new_subh());
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TESTASSERT(pdu.get()->set_sdu(1, 8, &rlc));
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// Have used 8 B SDU plus 1 B subheader
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TESTASSERT(pdu.rem_size() == pdu_size - 8 - 1);
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TESTASSERT(pdu.new_subh());
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TESTASSERT(pdu.get()->set_sdu(2, 130, &rlc));
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// Have used 138 B SDU plus 3 B subheader
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TESTASSERT(pdu.rem_size() == pdu_size - 138 - 3);
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// write PDU
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pdu.write_packet(&mac_log);
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// log
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mac_log.info_hex(buffer.msg, buffer.N_bytes, "MAC PDU (%d B):\n", buffer.N_bytes);
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#if HAVE_PCAP
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pcap_handle->write_ul_crnti(buffer.msg, buffer.N_bytes, 0x1001, true, 1);
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#endif
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// compare with TV
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TESTASSERT(memcmp(buffer.msg, tv, sizeof(tv)) == 0);
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return SRSLTE_SUCCESS;
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}
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int main(int argc, char** argv)
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{
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#if HAVE_PCAP
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pcap_handle = std::unique_ptr<srslte::mac_pcap>(new srslte::mac_pcap());
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pcap_handle->open("mac_pdu_test.pcap");
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#endif
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if (mac_rar_pdu_unpack_test1()) {
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fprintf(stderr, "mac_rar_pdu_unpack_test1 failed.\n");
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return SRSLTE_ERROR;
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@ -159,5 +388,20 @@ int main(int argc, char** argv)
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return SRSLTE_ERROR;
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}
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if (mac_sch_pdu_pack_test1()) {
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fprintf(stderr, "mac_sch_pdu_pack_test1 failed.\n");
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return SRSLTE_ERROR;
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}
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if (mac_sch_pdu_pack_test2()) {
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fprintf(stderr, "mac_sch_pdu_pack_test2 failed.\n");
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return SRSLTE_ERROR;
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}
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if (mac_sch_pdu_pack_test3()) {
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fprintf(stderr, "mac_sch_pdu_pack_test3 failed.\n");
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return SRSLTE_ERROR;
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}
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return SRSLTE_SUCCESS;
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}
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