mirror of https://github.com/PentHertz/srsLTE.git
Fixed header packing for SN length 18 for PDCP NR. First TX test is passing.
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d399c65082
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39e3800781
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@ -215,14 +215,14 @@ void pdcp_entity_nr::write_data_header(const srslte::unique_byte_buffer_t& sdu,
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// Add SN
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switch (cfg.sn_len) {
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case PDCP_SN_LEN_12:
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srslte::uint16_to_uint8(0x0FFF & count, sdu->msg);
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srslte::uint16_to_uint8(SN(count), sdu->msg);
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if (is_drb()) {
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sdu->msg[0] |= 0x80; // On DRB Data PDUs we must set the D flag.
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sdu->msg[0] |= 0x80; // On Data PDUs for DRBs we must set the D flag.
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}
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break;
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case PDCP_SN_LEN_18:
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sdu->msg[0] = 0x80; // Data PDU and SN 18 implies DRB, D flag must be present
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*sdu->msg = count & 0x0FFF;
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srslte::uint24_to_uint8(SN(count), sdu->msg);
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sdu->msg[0] = 0x80; // Data PDU and SN LEN 18 implies DRB, D flag must be present
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break;
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default:
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log->error("Invalid SN length configuration: %d bits\n", cfg.sn_len);
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@ -52,6 +52,16 @@ uint32_t PDU2_LEN = 8;
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uint8_t pdu3[] = {0x80, 0x00, 0x97, 0xbe, 0xa3, 0x32, 0xfa, 0x61};
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uint32_t PDU3_LEN = 8;
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uint8_t pdu4[] = {0x80, 0x00, 0x00, 0x8f, 0xe3, 0xe0, 0xdf, 0x82, 0x92};
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uint32_t PDU4_LEN = 9;
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uint8_t pdu5[] = {0x80, 0x08, 0x00, 0x8d, 0x2c, 0x47, 0x5e, 0xb1, 0x5b};
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uint32_t PDU5_LEN = 9;
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uint8_t pdu6[] = {0x80, 0x00, 0x00, 0x97, 0xbe, 0xa3, 0x32, 0xfa, 0x61};
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uint32_t PDU6_LEN = 9;
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// dummy classes
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class rlc_dummy : public srsue::rlc_interface_pdcp
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{
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@ -173,10 +183,10 @@ int test_tx_all(srslte::byte_buffer_pool* pool, srslte::log* log)
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* Input: {0x18, 0xE2}
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* Output: PDCP Header {0x80, 0x00}, Ciphered Text {0x8f, 0xe3}, MAC-I {0xe0, 0xdf, 0x82, 0x92}
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*/
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srslte::unique_byte_buffer_t pdu_exp_sn0 = allocate_unique_buffer(*pool);
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memcpy(pdu_exp_sn0->msg, pdu1, PDU1_LEN);
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pdu_exp_sn0->N_bytes = PDU1_LEN;
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TESTASSERT(test_tx(1, srslte::PDCP_SN_LEN_12, std::move(pdu_exp_sn0), pool, log) == 0);
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srslte::unique_byte_buffer_t pdu_exp_sn0_len12 = allocate_unique_buffer(*pool);
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memcpy(pdu_exp_sn0_len12->msg, pdu1, PDU1_LEN);
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pdu_exp_sn0_len12->N_bytes = PDU1_LEN;
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TESTASSERT(test_tx(1, srslte::PDCP_SN_LEN_12, std::move(pdu_exp_sn0_len12), pool, log) == 0);
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/*
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* TX Test 2: PDCP Entity with SN LEN = 12
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@ -185,10 +195,10 @@ int test_tx_all(srslte::byte_buffer_pool* pool, srslte::log* log)
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* Input: {0x18, 0xE2}
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* Output: PDCP Header {0x88, 0x00}, Ciphered Text {0x8d, 0x2c}, MAC-I {0x47, 0x5e, 0xb1, 0x5b}
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*/
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srslte::unique_byte_buffer_t pdu_exp_sn2048 = allocate_unique_buffer(*pool);
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memcpy(pdu_exp_sn2048->msg, pdu2, PDU2_LEN);
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pdu_exp_sn2048->N_bytes = PDU2_LEN;
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TESTASSERT(test_tx(2049, srslte::PDCP_SN_LEN_12, std::move(pdu_exp_sn2048), pool, log) == 0);
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srslte::unique_byte_buffer_t pdu_exp_sn2048_len12 = allocate_unique_buffer(*pool);
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memcpy(pdu_exp_sn2048_len12->msg, pdu2, PDU2_LEN);
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pdu_exp_sn2048_len12->N_bytes = PDU2_LEN;
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TESTASSERT(test_tx(2049, srslte::PDCP_SN_LEN_12, std::move(pdu_exp_sn2048_len12), pool, log) == 0);
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/*
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* TX Test 3: PDCP Entity with SN LEN = 12
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@ -197,46 +207,46 @@ int test_tx_all(srslte::byte_buffer_pool* pool, srslte::log* log)
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* Input: {0x18, 0xE2}
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* Output: PDCP Header {0x80,0x00}, Ciphered Text {0x97, 0xbe}, MAC-I {0xa3, 0x32, 0xfa, 0x61}
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*/
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srslte::unique_byte_buffer_t pdu_exp_sn4096 = allocate_unique_buffer(*pool);
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memcpy(pdu_exp_sn4096->msg, pdu3, PDU3_LEN);
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pdu_exp_sn4096->N_bytes = PDU3_LEN;
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TESTASSERT(test_tx(4097, srslte::PDCP_SN_LEN_12, std::move(pdu_exp_sn4096), pool, log) == 0);
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srslte::unique_byte_buffer_t pdu_exp_sn4096_len12 = allocate_unique_buffer(*pool);
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memcpy(pdu_exp_sn4096_len12->msg, pdu3, PDU3_LEN);
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pdu_exp_sn4096_len12->N_bytes = PDU3_LEN;
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TESTASSERT(test_tx(4097, srslte::PDCP_SN_LEN_12, std::move(pdu_exp_sn4096_len12), pool, log) == 0);
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/*
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* TX Test 1: PDCP Entity with SN LEN = 12
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* TX Test 4: PDCP Entity with SN LEN = 18
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* PDCP entity configured with EIA2 and EEA2
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* TX_NEXT = 0.
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* Input: {0x18, 0xE2}
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* Output: PDCP Header {0x80, 0x00}, Ciphered Text {0x8f, 0xe3}, MAC-I {0xe0, 0xdf, 0x82, 0x92}
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* Output: PDCP Header {0x80, 0x80, 0x00}, Ciphered Text {0x8f, 0xe3}, MAC-I {0xe0, 0xdf, 0x82, 0x92}
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*/
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srslte::unique_byte_buffer_t pdu_exp_sn0 = allocate_unique_buffer(*pool);
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memcpy(pdu_exp_sn0->msg, pdu1, PDU1_LEN);
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pdu_exp_sn0->N_bytes = PDU1_LEN;
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TESTASSERT(test_tx(1, srslte::PDCP_SN_LEN_12, std::move(pdu_exp_sn0), pool, log) == 0);
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srslte::unique_byte_buffer_t pdu_exp_sn0_len18 = allocate_unique_buffer(*pool);
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memcpy(pdu_exp_sn0_len18->msg, pdu4, PDU4_LEN);
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pdu_exp_sn0_len18->N_bytes = PDU4_LEN;
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TESTASSERT(test_tx(1, srslte::PDCP_SN_LEN_18, std::move(pdu_exp_sn0_len18), pool, log) == 0);
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/*
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* TX Test 2: PDCP Entity with SN LEN = 12
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* TX Test 5: PDCP Entity with SN LEN = 18
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* PDCP entity configured with EIA2 and EEA2
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* TX_NEXT = 2048.
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* Input: {0x18, 0xE2}
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* Output: PDCP Header {0x88, 0x00}, Ciphered Text {0x8d, 0x2c}, MAC-I {0x47, 0x5e, 0xb1, 0x5b}
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*/
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srslte::unique_byte_buffer_t pdu_exp_sn2048 = allocate_unique_buffer(*pool);
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memcpy(pdu_exp_sn2048->msg, pdu2, PDU2_LEN);
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pdu_exp_sn2048->N_bytes = PDU2_LEN;
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TESTASSERT(test_tx(2049, srslte::PDCP_SN_LEN_12, std::move(pdu_exp_sn2048), pool, log) == 0);
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srslte::unique_byte_buffer_t pdu_exp_sn2048_len18 = allocate_unique_buffer(*pool);
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memcpy(pdu_exp_sn2048_len18->msg, pdu5, PDU5_LEN);
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pdu_exp_sn2048_len18->N_bytes = PDU5_LEN;
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TESTASSERT(test_tx(2049, srslte::PDCP_SN_LEN_18, std::move(pdu_exp_sn2048_len18), pool, log) == 0);
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/*
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* TX Test 3: PDCP Entity with SN LEN = 12
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* TX Test 6: PDCP Entity with SN LEN = 18
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* PDCP entity configured with EIA2 and EEA2
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* TX_NEXT = 4096.
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* Input: {0x18, 0xE2}
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* Output: PDCP Header {0x80,0x00}, Ciphered Text {0x97, 0xbe}, MAC-I {0xa3, 0x32, 0xfa, 0x61}
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*/
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srslte::unique_byte_buffer_t pdu_exp_sn4096 = allocate_unique_buffer(*pool);
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memcpy(pdu_exp_sn4096->msg, pdu3, PDU3_LEN);
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pdu_exp_sn4096->N_bytes = PDU3_LEN;
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TESTASSERT(test_tx(4097, srslte::PDCP_SN_LEN_12, std::move(pdu_exp_sn4096), pool, log) == 0);
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srslte::unique_byte_buffer_t pdu_exp_sn4096_len18 = allocate_unique_buffer(*pool);
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memcpy(pdu_exp_sn4096_len18->msg, pdu6, PDU6_LEN);
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pdu_exp_sn4096_len18->N_bytes = PDU6_LEN;
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TESTASSERT(test_tx(4097, srslte::PDCP_SN_LEN_18, std::move(pdu_exp_sn4096_len18), pool, log) == 0);
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return 0;
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}
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