From f992350d2df7de1c971e47ec8a6a9a85baa7b50c Mon Sep 17 00:00:00 2001 From: Andre Puschmann Date: Wed, 24 Mar 2021 22:40:55 +0100 Subject: [PATCH] rlc_um_nr_pdu_test: add testcases for 12bit SN length packing/unpacking --- lib/test/upper/rlc_um_nr_pdu_test.cc | 124 +++++++++++++++++++++++++++ 1 file changed, 124 insertions(+) diff --git a/lib/test/upper/rlc_um_nr_pdu_test.cc b/lib/test/upper/rlc_um_nr_pdu_test.cc index 96a491a68..e84c774a7 100644 --- a/lib/test/upper/rlc_um_nr_pdu_test.cc +++ b/lib/test/upper/rlc_um_nr_pdu_test.cc @@ -219,6 +219,115 @@ int rlc_um_nr_pdu_unpack_test6() return SRSRAN_SUCCESS; } +// Unpack RLC UM 12bit SN middle segment PDU SI=11 SN=5 SO=360 +int rlc_um_nr_pdu_unpack_test7() +{ + std::array tv = { + 0xc0, 0x05, 0x01, 0x68, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, + 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f, 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6a, + 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, + 0x7e, 0x7f, 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f, 0x90, + 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f, 0xa0, 0xa1, 0xa2, 0xa3, + 0xa4, 0xa5, 0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf, 0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, + 0xb7, 0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf, 0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9, + 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, 0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda, 0xdb, 0xdc, + 0xdd, 0xde, 0xdf, 0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef, + 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9, 0xfa, 0xfb}; + const uint32_t header_len = 4; + srsran::byte_buffer_t pdu = make_pdu_and_log(tv); + + // unpack PDU + rlc_um_nr_pdu_header_t header = {}; + TESTASSERT(rlc_um_nr_read_data_pdu_header(&pdu, srsran::rlc_um_nr_sn_size_t::size12bits, &header) != 0); + + TESTASSERT(header.si == rlc_nr_si_field_t::neither_first_nor_last_segment); + TESTASSERT(header.so == 360); + TESTASSERT(header.sn == 5); + + TESTASSERT(rlc_um_nr_packed_length(header) == header_len); + + // clear header + corrupt_pdu_header(pdu, header_len, tv.size() - header_len); + + // pack again + TESTASSERT(rlc_um_nr_write_data_pdu_header(header, &pdu) == header_len); + TESTASSERT(pdu.N_bytes == tv.size()); + TESTASSERT(memcmp(pdu.msg, tv.data(), pdu.N_bytes) == 0); + + return SRSRAN_SUCCESS; +} + +// Unpack RLC UM 12bit SN first segment PDU SI=01 SN=5 +int rlc_um_nr_pdu_unpack_test8() +{ + std::array tv = { + 0x40, 0x05, 0x80, 0x00, 0x05, 0x45, 0x00, 0x04, 0x04, 0xf1, 0xaf, 0x40, 0x00, 0x40, 0x01, 0xbd, 0xf5, 0xc0, 0xa8, + 0x03, 0x01, 0xc0, 0xa8, 0x03, 0x02, 0x08, 0x00, 0xbc, 0xea, 0x0b, 0x0d, 0x00, 0x07, 0x81, 0x10, 0x5b, 0x60, 0x00, + 0x00, 0x00, 0x00, 0xed, 0x4c, 0x0d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, + 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, + 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, + 0x3e, 0x3f, 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, 0x50, + 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f, 0x60, 0x61, 0x62, 0x63, + 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, + 0x77, 0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f, 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, + 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f, 0x90, 0x91, 0x92, 0x93, 0x94, 0x95}; + const uint32_t header_len = 2; + srsran::byte_buffer_t pdu = make_pdu_and_log(tv); + + // unpack PDU + rlc_um_nr_pdu_header_t header = {}; + TESTASSERT(rlc_um_nr_read_data_pdu_header(&pdu, srsran::rlc_um_nr_sn_size_t::size12bits, &header) != 0); + + TESTASSERT(header.si == rlc_nr_si_field_t::first_segment); + TESTASSERT(header.so == 0); + TESTASSERT(header.sn == 5); + + TESTASSERT(rlc_um_nr_packed_length(header) == header_len); + + // clear header + corrupt_pdu_header(pdu, header_len, tv.size() - header_len); + + // pack again + TESTASSERT(rlc_um_nr_write_data_pdu_header(header, &pdu) == header_len); + TESTASSERT(pdu.N_bytes == tv.size()); + TESTASSERT(memcmp(pdu.msg, tv.data(), pdu.N_bytes) == 0); + + return SRSRAN_SUCCESS; +} + +// Unpack/pack RLC UM 12bit SN last segment PDU SI=10 SN=1542 SO=972 +int rlc_um_nr_pdu_unpack_test9() +{ + std::array tv = {0x86, 0x06, 0x03, 0xcc, 0xad, 0xae, 0xaf, 0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, + 0xb6, 0xb7, 0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf, 0xc0, 0xc1, 0xc2, + 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, + 0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda, 0xdb, 0xdc, + 0xdd, 0xde, 0xdf, 0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7}; + const uint32_t header_len = 4; + + srsran::byte_buffer_t pdu = make_pdu_and_log(tv); + + // unpack PDU + rlc_um_nr_pdu_header_t header = {}; + TESTASSERT(rlc_um_nr_read_data_pdu_header(&pdu, srsran::rlc_um_nr_sn_size_t::size12bits, &header) != 0); + + TESTASSERT(header.si == rlc_nr_si_field_t::last_segment); + TESTASSERT(header.so == 972); + TESTASSERT(header.sn == 1542); + + TESTASSERT(rlc_um_nr_packed_length(header) == header_len); + + // clear header + corrupt_pdu_header(pdu, header_len, tv.size() - header_len); + + // pack again + TESTASSERT(rlc_um_nr_write_data_pdu_header(header, &pdu) == header_len); + TESTASSERT(pdu.N_bytes == tv.size()); + TESTASSERT(memcmp(pdu.msg, tv.data(), pdu.N_bytes) == 0); + + return SRSRAN_SUCCESS; +} + int main(int argc, char** argv) { #if PCAP @@ -258,6 +367,21 @@ int main(int argc, char** argv) return SRSRAN_ERROR; } + if (rlc_um_nr_pdu_unpack_test7()) { + fprintf(stderr, "rlc_um_nr_pdu_unpack_test7() failed.\n"); + return SRSRAN_ERROR; + } + + if (rlc_um_nr_pdu_unpack_test8()) { + fprintf(stderr, "rlc_um_nr_pdu_unpack_test8() failed.\n"); + return SRSRAN_ERROR; + } + + if (rlc_um_nr_pdu_unpack_test9()) { + fprintf(stderr, "rlc_um_nr_pdu_unpack_test9() failed.\n"); + return SRSRAN_ERROR; + } + #if PCAP pcap_handle->close(); #endif