| /* |
| * EdgeTest.cpp |
| * |
| * Copyright (C) 2015 by Sysmocom s.f.m.c. GmbH |
| * |
| * All Rights Reserved |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU Affero General Public License as published by |
| * the Free Software Foundation; either version 3 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU Affero General Public License |
| * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| * |
| */ |
| |
| #include "gprs_debug.h" |
| #include "decoding.h" |
| #include "encoding.h" |
| #include "rlc.h" |
| #include "llc.h" |
| #include "bts.h" |
| #include <gprs_rlcmac.h> |
| |
| extern "C" { |
| #include "pcu_vty.h" |
| #include "coding_scheme.h" |
| |
| #include <osmocom/core/application.h> |
| #include <osmocom/core/msgb.h> |
| #include <osmocom/core/talloc.h> |
| #include <osmocom/core/utils.h> |
| #include <osmocom/vty/vty.h> |
| #include <osmocom/gprs/protocol/gsm_04_60.h> |
| } |
| |
| #include <errno.h> |
| #include <string.h> |
| #include <limits.h> |
| |
| void *tall_pcu_ctx; |
| int16_t spoof_mnc = 0, spoof_mcc = 0; |
| bool spoof_mnc_3_digits = false; |
| |
| static void check_coding_scheme(enum CodingScheme& cs, enum mcs_kind mode) |
| { |
| volatile unsigned expected_size; |
| bool need_padding; |
| enum CodingScheme new_cs; |
| |
| OSMO_ASSERT(mcs_is_valid(cs)); |
| OSMO_ASSERT(mcs_is_compat_kind(cs, mode)); |
| |
| /* Check static getBySizeUL() */ |
| expected_size = mcs_used_size_ul(cs); |
| if (mcs_spare_bits_ul(cs) > 0 && mcs_is_gprs(cs)) |
| expected_size += 1; |
| OSMO_ASSERT(expected_size == mcs_size_ul(cs)); |
| OSMO_ASSERT(cs == mcs_get_by_size_ul(expected_size)); |
| |
| /* Check static sizeUL() */ |
| expected_size = mcs_used_size_dl(cs); |
| if (mcs_spare_bits_dl(cs) > 0 && mcs_is_gprs(cs)) |
| expected_size += 1; |
| OSMO_ASSERT(expected_size == mcs_size_dl(cs)); |
| |
| /* Check data block sizes */ |
| OSMO_ASSERT(mcs_max_data_block_bytes(cs) * num_data_blocks(mcs_header_type(cs)) < mcs_max_bytes_dl(cs)); |
| OSMO_ASSERT(mcs_max_data_block_bytes(cs) * num_data_blocks(mcs_header_type(cs)) < mcs_max_bytes_ul(cs)); |
| |
| /* Check inc/dec */ |
| new_cs = cs; |
| mcs_inc_kind(&new_cs, mode); |
| OSMO_ASSERT(mcs_is_compat_kind(new_cs, mode)); |
| if (new_cs != cs) { |
| mcs_dec_kind(&new_cs, mode); |
| OSMO_ASSERT(mcs_is_compat_kind(new_cs, mode)); |
| OSMO_ASSERT(new_cs == cs); |
| } |
| mcs_dec_kind(&new_cs, mode); |
| OSMO_ASSERT(mcs_is_compat_kind(new_cs, mode)); |
| if (new_cs != cs) { |
| mcs_inc_kind(&new_cs, mode); |
| OSMO_ASSERT(mcs_is_compat_kind(new_cs, mode)); |
| OSMO_ASSERT(new_cs == cs); |
| } |
| |
| new_cs = cs; |
| mcs_dec_to_single_block(&new_cs, &need_padding); |
| OSMO_ASSERT(mcs_is_family_compat(new_cs, cs)); |
| OSMO_ASSERT(mcs_is_family_compat(cs, new_cs)); |
| OSMO_ASSERT(mcs_is_compat(cs, new_cs)); |
| if (need_padding) { |
| OSMO_ASSERT(mcs_max_data_block_bytes(new_cs) == |
| mcs_opt_padding_bits(new_cs)/8 + mcs_max_data_block_bytes(cs)); |
| } else { |
| OSMO_ASSERT(mcs_max_data_block_bytes(new_cs) == mcs_max_data_block_bytes(cs)); |
| } |
| |
| } |
| |
| static bool check_strong_monotonicity(const enum CodingScheme cs, uint8_t last_UL, uint8_t last_DL) |
| { |
| if (mcs_max_bytes_ul(cs) <= last_UL) |
| return false; |
| |
| if (mcs_max_bytes_dl(cs) <= last_DL) |
| return false; |
| |
| return true; |
| } |
| |
| static void test_coding_scheme() |
| { |
| unsigned i; |
| uint8_t last_size_UL; |
| uint8_t last_size_DL; |
| enum CodingScheme gprs_schemes[] = { |
| CS1, |
| CS2, |
| CS3, |
| CS4 |
| }; |
| struct { |
| enum CodingScheme s; |
| bool is_gmsk; |
| } egprs_schemes[] = { |
| { MCS1, true}, |
| { MCS2, true}, |
| { MCS3, true}, |
| { MCS4, true}, |
| { MCS5, false}, |
| { MCS6, false}, |
| { MCS7, false}, |
| { MCS8, false}, |
| { MCS9, false}, |
| }; |
| |
| printf("=== start %s ===\n", __func__); |
| |
| enum CodingScheme cs = UNKNOWN; |
| OSMO_ASSERT(!cs); |
| OSMO_ASSERT(!mcs_is_compat_kind(cs, GPRS)); |
| OSMO_ASSERT(!mcs_is_compat_kind(cs, EGPRS_GMSK)); |
| OSMO_ASSERT(!mcs_is_compat_kind(cs, EGPRS)); |
| |
| last_size_UL = 0; |
| last_size_DL = 0; |
| |
| for (i = 0; i < ARRAY_SIZE(gprs_schemes); i++) { |
| enum CodingScheme current_cs = gprs_schemes[i]; |
| OSMO_ASSERT(mcs_is_gprs(current_cs)); |
| OSMO_ASSERT(!mcs_is_edge(current_cs)); |
| OSMO_ASSERT(!mcs_is_edge_gmsk(current_cs)); |
| OSMO_ASSERT(current_cs == gprs_schemes[i]); |
| |
| OSMO_ASSERT(check_strong_monotonicity(current_cs, last_size_UL, last_size_DL)); |
| last_size_UL = mcs_max_bytes_ul(current_cs); |
| last_size_DL = mcs_max_bytes_dl(current_cs); |
| |
| /* Check header types */ |
| OSMO_ASSERT(mcs_header_type(current_cs) == HEADER_GPRS_DATA); |
| |
| check_coding_scheme(current_cs, GPRS); |
| } |
| OSMO_ASSERT(i == 4); |
| |
| last_size_UL = 0; |
| last_size_DL = 0; |
| |
| for (i = 0; i < ARRAY_SIZE(egprs_schemes); i++) { |
| enum CodingScheme current_cs = egprs_schemes[i].s; |
| OSMO_ASSERT(!mcs_is_gprs(current_cs)); |
| OSMO_ASSERT(mcs_is_edge(current_cs)); |
| OSMO_ASSERT(mcs_is_edge_gmsk(current_cs) == !!egprs_schemes[i].is_gmsk); |
| OSMO_ASSERT(current_cs == egprs_schemes[i].s); |
| |
| OSMO_ASSERT(check_strong_monotonicity(current_cs, last_size_UL, last_size_DL)); |
| last_size_UL = mcs_max_bytes_ul(current_cs); |
| last_size_DL = mcs_max_bytes_dl(current_cs); |
| |
| if (egprs_schemes[i].is_gmsk) |
| check_coding_scheme(current_cs, EGPRS_GMSK); |
| check_coding_scheme(current_cs, EGPRS); |
| } |
| OSMO_ASSERT(i == 9); |
| |
| printf("=== end %s ===\n", __func__); |
| } |
| |
| static void test_rlc_unit_decoder() |
| { |
| struct gprs_rlc_data_block_info rdbi = {0}; |
| enum CodingScheme cs; |
| uint8_t data[74]; |
| Decoding::RlcData chunks[16]; |
| volatile int num_chunks = 0; |
| uint32_t tlli, tlli2; |
| unsigned int offs; |
| |
| |
| printf("=== start %s ===\n", __func__); |
| |
| /* TS 44.060, B.1 */ |
| cs = CS4; |
| rdbi.data_len = mcs_max_data_block_bytes(cs); |
| rdbi.e = 0; |
| rdbi.ti = 0; |
| rdbi.cv = 15; |
| tlli = 0; |
| offs = 0; |
| data[offs++] = (11 << 2) | (1 << 1) | (0 << 0); |
| data[offs++] = (26 << 2) | (1 << 1) | (1 << 0); |
| num_chunks = Decoding::rlc_data_from_ul_data(&rdbi, cs, data, |
| chunks, ARRAY_SIZE(chunks), &tlli); |
| OSMO_ASSERT(num_chunks == 3); |
| OSMO_ASSERT(tlli == 0); |
| OSMO_ASSERT(chunks[0].offset == 2); |
| OSMO_ASSERT(chunks[0].length == 11); |
| OSMO_ASSERT(chunks[0].is_complete); |
| OSMO_ASSERT(chunks[1].offset == 13); |
| OSMO_ASSERT(chunks[1].length == 26); |
| OSMO_ASSERT(chunks[1].is_complete); |
| OSMO_ASSERT(chunks[2].offset == 39); |
| OSMO_ASSERT(chunks[2].length == mcs_max_data_block_bytes(cs) - 39); |
| OSMO_ASSERT(!chunks[2].is_complete); |
| |
| /* TS 44.060, B.2 */ |
| cs = CS1; |
| rdbi.data_len = mcs_max_data_block_bytes(cs); |
| rdbi.e = 0; |
| rdbi.ti = 0; |
| rdbi.cv = 15; |
| tlli = 0; |
| offs = 0; |
| data[offs++] = (0 << 2) | (0 << 1) | (1 << 0); |
| num_chunks = Decoding::rlc_data_from_ul_data(&rdbi, cs, data, |
| chunks, ARRAY_SIZE(chunks), &tlli); |
| OSMO_ASSERT(num_chunks == 1); |
| OSMO_ASSERT(tlli == 0); |
| OSMO_ASSERT(chunks[0].offset == 1); |
| OSMO_ASSERT(chunks[0].length == 19); |
| OSMO_ASSERT(!chunks[0].is_complete); |
| |
| rdbi.e = 0; |
| rdbi.ti = 0; |
| rdbi.cv = 15; |
| tlli = 0; |
| offs = 0; |
| data[offs++] = (1 << 2) | (1 << 1) | (1 << 0); |
| num_chunks = Decoding::rlc_data_from_ul_data(&rdbi, cs, data, |
| chunks, ARRAY_SIZE(chunks), &tlli); |
| OSMO_ASSERT(num_chunks == 2); |
| OSMO_ASSERT(tlli == 0); |
| OSMO_ASSERT(chunks[0].offset == 1); |
| OSMO_ASSERT(chunks[0].length == 1); |
| OSMO_ASSERT(chunks[0].is_complete); |
| OSMO_ASSERT(chunks[1].offset == 2); |
| OSMO_ASSERT(chunks[1].length == 18); |
| OSMO_ASSERT(!chunks[1].is_complete); |
| |
| /* TS 44.060, B.3 */ |
| cs = CS1; |
| rdbi.data_len = mcs_max_data_block_bytes(cs); |
| rdbi.e = 0; |
| rdbi.ti = 0; |
| rdbi.cv = 15; |
| tlli = 0; |
| offs = 0; |
| data[offs++] = (7 << 2) | (1 << 1) | (0 << 0); |
| data[offs++] = (11 << 2) | (0 << 1) | (1 << 0); |
| num_chunks = Decoding::rlc_data_from_ul_data(&rdbi, cs, data, |
| chunks, ARRAY_SIZE(chunks), &tlli); |
| OSMO_ASSERT(num_chunks == 2); |
| OSMO_ASSERT(tlli == 0); |
| OSMO_ASSERT(chunks[0].offset == 2); |
| OSMO_ASSERT(chunks[0].length == 7); |
| OSMO_ASSERT(chunks[0].is_complete); |
| OSMO_ASSERT(chunks[1].offset == 9); |
| OSMO_ASSERT(chunks[1].length == 11); |
| OSMO_ASSERT(chunks[1].is_complete); |
| |
| /* TS 44.060, B.4 */ |
| cs = CS1; |
| rdbi.data_len = mcs_max_data_block_bytes(cs); |
| rdbi.e = 1; |
| rdbi.ti = 0; |
| rdbi.cv = 15; |
| tlli = 0; |
| offs = 0; |
| num_chunks = Decoding::rlc_data_from_ul_data(&rdbi, cs, data, |
| chunks, ARRAY_SIZE(chunks), &tlli); |
| OSMO_ASSERT(num_chunks == 1); |
| OSMO_ASSERT(tlli == 0); |
| OSMO_ASSERT(chunks[0].offset == 0); |
| OSMO_ASSERT(chunks[0].length == 20); |
| OSMO_ASSERT(!chunks[0].is_complete); |
| |
| /* TS 44.060, B.6 */ |
| cs = CS1; |
| rdbi.data_len = mcs_max_data_block_bytes(cs); |
| rdbi.e = 1; |
| rdbi.ti = 0; |
| rdbi.cv = 0; |
| tlli = 0; |
| offs = 0; |
| num_chunks = Decoding::rlc_data_from_ul_data(&rdbi, cs, data, |
| chunks, ARRAY_SIZE(chunks), &tlli); |
| OSMO_ASSERT(num_chunks == 1); |
| OSMO_ASSERT(tlli == 0); |
| OSMO_ASSERT(chunks[0].offset == 0); |
| OSMO_ASSERT(chunks[0].length == 20); |
| OSMO_ASSERT(chunks[0].is_complete); |
| |
| /* TS 44.060, B.8.1 */ |
| cs = MCS4; |
| rdbi.data_len = mcs_max_data_block_bytes(cs); |
| rdbi.e = 0; |
| rdbi.ti = 0; |
| rdbi.cv = 15; |
| tlli = 0; |
| offs = 0; |
| data[offs++] = (11 << 1) | (0 << 0); |
| data[offs++] = (26 << 1) | (1 << 0); |
| num_chunks = Decoding::rlc_data_from_ul_data(&rdbi, cs, data, |
| chunks, ARRAY_SIZE(chunks), &tlli); |
| OSMO_ASSERT(num_chunks == 3); |
| OSMO_ASSERT(tlli == 0); |
| OSMO_ASSERT(chunks[0].offset == 2); |
| OSMO_ASSERT(chunks[0].length == 11); |
| OSMO_ASSERT(chunks[0].is_complete); |
| OSMO_ASSERT(chunks[1].offset == 13); |
| OSMO_ASSERT(chunks[1].length == 26); |
| OSMO_ASSERT(chunks[1].is_complete); |
| OSMO_ASSERT(chunks[2].offset == 39); |
| OSMO_ASSERT(chunks[2].length == 5); |
| OSMO_ASSERT(!chunks[2].is_complete); |
| |
| /* TS 44.060, B.8.2 */ |
| |
| /* Note that the spec confuses the byte numbering here, since it |
| * includes the FBI/E header bits into the N2 octet count which |
| * is not consistent with Section 10.3a.1 & 10.3a.2. */ |
| |
| cs = MCS2; |
| rdbi.data_len = mcs_max_data_block_bytes(cs); |
| rdbi.e = 0; |
| rdbi.ti = 0; |
| rdbi.cv = 15; |
| tlli = 0; |
| offs = 0; |
| data[offs++] = (15 << 1) | (1 << 0); |
| num_chunks = Decoding::rlc_data_from_ul_data(&rdbi, cs, data, |
| chunks, ARRAY_SIZE(chunks), &tlli); |
| OSMO_ASSERT(num_chunks == 2); |
| OSMO_ASSERT(tlli == 0); |
| OSMO_ASSERT(chunks[0].offset == 1); |
| OSMO_ASSERT(chunks[0].length == 15); |
| OSMO_ASSERT(chunks[0].is_complete); |
| OSMO_ASSERT(chunks[1].offset == 16); |
| OSMO_ASSERT(chunks[1].length == 12); |
| OSMO_ASSERT(!chunks[1].is_complete); |
| |
| rdbi.e = 0; |
| rdbi.ti = 0; |
| rdbi.cv = 15; |
| tlli = 0; |
| offs = 0; |
| data[offs++] = ( 0 << 1) | (0 << 0); |
| data[offs++] = ( 7 << 1) | (0 << 0); |
| data[offs++] = (18 << 1) | (1 << 0); /* Differs from spec's N2-11 = 17 */ |
| num_chunks = Decoding::rlc_data_from_ul_data(&rdbi, cs, data, |
| chunks, ARRAY_SIZE(chunks), &tlli); |
| OSMO_ASSERT(num_chunks == 3); |
| OSMO_ASSERT(tlli == 0); |
| OSMO_ASSERT(chunks[0].offset == 3); |
| OSMO_ASSERT(chunks[0].length == 0); |
| OSMO_ASSERT(chunks[0].is_complete); |
| OSMO_ASSERT(chunks[1].offset == 3); |
| OSMO_ASSERT(chunks[1].length == 7); |
| OSMO_ASSERT(chunks[1].is_complete); |
| OSMO_ASSERT(chunks[2].offset == 10); |
| OSMO_ASSERT(chunks[2].length == 18); |
| OSMO_ASSERT(chunks[2].is_complete); |
| |
| rdbi.e = 0; |
| rdbi.ti = 0; |
| rdbi.cv = 0; |
| tlli = 0; |
| offs = 0; |
| data[offs++] = ( 6 << 1) | (0 << 0); |
| data[offs++] = (12 << 1) | (0 << 0); |
| data[offs++] = (127 << 1) | (1 << 0); |
| num_chunks = Decoding::rlc_data_from_ul_data(&rdbi, cs, data, |
| chunks, ARRAY_SIZE(chunks), &tlli); |
| OSMO_ASSERT(num_chunks == 2); |
| OSMO_ASSERT(tlli == 0); |
| OSMO_ASSERT(chunks[0].offset == 3); |
| OSMO_ASSERT(chunks[0].length == 6); |
| OSMO_ASSERT(chunks[0].is_complete); |
| OSMO_ASSERT(chunks[1].offset == 9); |
| OSMO_ASSERT(chunks[1].length == 12); |
| OSMO_ASSERT(chunks[1].is_complete); |
| |
| /* TS 44.060, B.8.3 */ |
| |
| /* Note that the spec confuses the byte numbering here, too (see above) */ |
| |
| cs = MCS2; |
| rdbi.data_len = mcs_max_data_block_bytes(cs); |
| rdbi.e = 1; |
| rdbi.ti = 0; |
| rdbi.cv = 0; |
| tlli = 0; |
| offs = 0; |
| num_chunks = Decoding::rlc_data_from_ul_data(&rdbi, cs, data, |
| chunks, ARRAY_SIZE(chunks), &tlli); |
| OSMO_ASSERT(num_chunks == 1); |
| OSMO_ASSERT(tlli == 0); |
| OSMO_ASSERT(chunks[0].offset == 0); |
| OSMO_ASSERT(chunks[0].length == 28); |
| OSMO_ASSERT(chunks[0].is_complete); |
| |
| /* CS-1, TLLI, last block, single chunk until the end of the block */ |
| cs = CS1; |
| rdbi.data_len = mcs_max_data_block_bytes(cs); |
| rdbi.e = 1; |
| rdbi.ti = 1; |
| rdbi.cv = 0; |
| tlli = 0; |
| tlli2 = 0xffeeddcc; |
| offs = 0; |
| data[offs++] = tlli2 >> 24; |
| data[offs++] = tlli2 >> 16; |
| data[offs++] = tlli2 >> 8; |
| data[offs++] = tlli2 >> 0; |
| num_chunks = Decoding::rlc_data_from_ul_data(&rdbi, cs, data, |
| chunks, ARRAY_SIZE(chunks), &tlli); |
| OSMO_ASSERT(num_chunks == 1); |
| OSMO_ASSERT(tlli == tlli2); |
| OSMO_ASSERT(chunks[0].offset == 4); |
| OSMO_ASSERT(chunks[0].length == 16); |
| OSMO_ASSERT(chunks[0].is_complete); |
| |
| /* Like TS 44.060, B.2, first RLC block but with TLLI */ |
| cs = CS1; |
| rdbi.data_len = mcs_max_data_block_bytes(cs); |
| rdbi.e = 0; |
| rdbi.ti = 1; |
| rdbi.cv = 15; |
| tlli = 0; |
| tlli2 = 0xffeeddbb; |
| offs = 0; |
| data[offs++] = (0 << 2) | (0 << 1) | (1 << 0); |
| data[offs++] = tlli2 >> 24; |
| data[offs++] = tlli2 >> 16; |
| data[offs++] = tlli2 >> 8; |
| data[offs++] = tlli2 >> 0; |
| num_chunks = Decoding::rlc_data_from_ul_data(&rdbi, cs, data, |
| chunks, ARRAY_SIZE(chunks), &tlli); |
| OSMO_ASSERT(num_chunks == 1); |
| OSMO_ASSERT(tlli == tlli2); |
| OSMO_ASSERT(chunks[0].offset == 5); |
| OSMO_ASSERT(chunks[0].length == 15); |
| OSMO_ASSERT(!chunks[0].is_complete); |
| |
| /* Like TS 44.060, B.8.1 but with TLLI */ |
| cs = MCS4; |
| rdbi.data_len = mcs_max_data_block_bytes(cs); |
| rdbi.e = 0; |
| rdbi.ti = 1; |
| rdbi.cv = 15; |
| tlli = 0; |
| tlli2 = 0xffeeddaa; |
| offs = 0; |
| data[offs++] = (11 << 1) | (0 << 0); |
| data[offs++] = (26 << 1) | (1 << 0); |
| /* Little endian */ |
| data[offs++] = tlli2 >> 0; |
| data[offs++] = tlli2 >> 8; |
| data[offs++] = tlli2 >> 16; |
| data[offs++] = tlli2 >> 24; |
| num_chunks = Decoding::rlc_data_from_ul_data(&rdbi, cs, data, |
| chunks, ARRAY_SIZE(chunks), &tlli); |
| OSMO_ASSERT(num_chunks == 3); |
| OSMO_ASSERT(tlli == tlli2); |
| OSMO_ASSERT(chunks[0].offset == 6); |
| OSMO_ASSERT(chunks[0].length == 11); |
| OSMO_ASSERT(chunks[0].is_complete); |
| OSMO_ASSERT(chunks[1].offset == 17); |
| OSMO_ASSERT(chunks[1].length == 26); |
| OSMO_ASSERT(chunks[1].is_complete); |
| OSMO_ASSERT(chunks[2].offset == 43); |
| OSMO_ASSERT(chunks[2].length == 1); |
| OSMO_ASSERT(!chunks[2].is_complete); |
| |
| rdbi.e = 0; |
| rdbi.ti = 0; |
| rdbi.cv = 1; |
| tlli = 0; |
| offs = 0; |
| data[offs++] = 1; |
| num_chunks = Decoding::rlc_data_from_ul_data(&rdbi, cs, data, |
| chunks, ARRAY_SIZE(chunks), &tlli); |
| |
| OSMO_ASSERT(num_chunks == 2); |
| OSMO_ASSERT(chunks[0].offset == 1); |
| OSMO_ASSERT(chunks[0].length == 0); |
| OSMO_ASSERT(chunks[0].is_complete); |
| |
| OSMO_ASSERT(chunks[1].offset == 1); |
| OSMO_ASSERT(chunks[1].length == 43); |
| OSMO_ASSERT(!chunks[1].is_complete); |
| |
| printf("=== end %s ===\n", __func__); |
| } |
| |
| static void test_rlc_unit_encoder() |
| { |
| struct gprs_rlc_data_block_info rdbi = {0}; |
| enum CodingScheme cs; |
| uint8_t data[74]; |
| uint8_t llc_data[1500] = {0,}; |
| int num_chunks = 0; |
| int write_offset; |
| int count_payload; |
| struct gprs_llc llc; |
| Encoding::AppendResult ar; |
| |
| printf("=== start %s ===\n", __func__); |
| |
| llc.init(); |
| |
| /* TS 44.060, B.1 */ |
| cs = CS4; |
| gprs_rlc_data_block_info_init(&rdbi, cs, false, 0); |
| num_chunks = 0; |
| write_offset = 0; |
| memset(data, 0, sizeof(data)); |
| |
| llc.reset(); |
| llc.put_frame(llc_data, 11); |
| count_payload = -1; |
| |
| ar = Encoding::rlc_data_to_dl_append(&rdbi, cs, |
| &llc, &write_offset, &num_chunks, data, false, &count_payload); |
| |
| OSMO_ASSERT(ar == Encoding::AR_COMPLETED_SPACE_LEFT); |
| OSMO_ASSERT(rdbi.e == 0); |
| OSMO_ASSERT(write_offset == 1 + 11); |
| OSMO_ASSERT(count_payload == 11); |
| OSMO_ASSERT(num_chunks == 1); |
| |
| llc.reset(); |
| llc.put_frame(llc_data, 26); |
| count_payload = -1; |
| |
| ar = Encoding::rlc_data_to_dl_append(&rdbi, cs, |
| &llc, &write_offset, &num_chunks, data, false, &count_payload); |
| |
| OSMO_ASSERT(ar == Encoding::AR_COMPLETED_SPACE_LEFT); |
| OSMO_ASSERT(rdbi.e == 0); |
| OSMO_ASSERT(write_offset == 2 + 11 + 26); |
| OSMO_ASSERT(count_payload == 26); |
| OSMO_ASSERT(num_chunks == 2); |
| |
| llc.reset(); |
| llc.put_frame(llc_data, 99); |
| count_payload = -1; |
| |
| ar = Encoding::rlc_data_to_dl_append(&rdbi, cs, |
| &llc, &write_offset, &num_chunks, data, false, &count_payload); |
| |
| OSMO_ASSERT(ar == Encoding::AR_NEED_MORE_BLOCKS); |
| OSMO_ASSERT(rdbi.e == 0); |
| OSMO_ASSERT(rdbi.cv != 0); |
| OSMO_ASSERT(write_offset == (int)rdbi.data_len); |
| OSMO_ASSERT(count_payload == 11); |
| OSMO_ASSERT(num_chunks == 3); |
| |
| OSMO_ASSERT(data[0] == ((11 << 2) | (1 << 1) | (0 << 0))); |
| OSMO_ASSERT(data[1] == ((26 << 2) | (1 << 1) | (1 << 0))); |
| OSMO_ASSERT(data[2] == 0); |
| |
| /* TS 44.060, B.2 */ |
| cs = CS1; |
| |
| /* Block 1 */ |
| gprs_rlc_data_block_info_init(&rdbi, cs, false, 0); |
| num_chunks = 0; |
| write_offset = 0; |
| memset(data, 0, sizeof(data)); |
| |
| llc.reset(); |
| llc.put_frame(llc_data, 20); |
| count_payload = -1; |
| |
| ar = Encoding::rlc_data_to_dl_append(&rdbi, cs, |
| &llc, &write_offset, &num_chunks, data, false, &count_payload); |
| |
| OSMO_ASSERT(ar == Encoding::AR_NEED_MORE_BLOCKS); |
| OSMO_ASSERT(rdbi.e == 0); |
| OSMO_ASSERT(write_offset == 1 + 19); |
| OSMO_ASSERT(count_payload == 19); |
| OSMO_ASSERT(num_chunks == 1); |
| |
| OSMO_ASSERT(data[0] == ((0 << 2) | (0 << 1) | (1 << 0))); |
| OSMO_ASSERT(data[1] == 0); |
| |
| /* Block 2 */ |
| gprs_rlc_data_block_info_init(&rdbi, cs, false, 0); |
| num_chunks = 0; |
| write_offset = 0; |
| memset(data, 0, sizeof(data)); |
| |
| OSMO_ASSERT(llc_chunk_size(&llc) == 1); |
| |
| count_payload = -1; |
| |
| ar = Encoding::rlc_data_to_dl_append(&rdbi, cs, |
| &llc, &write_offset, &num_chunks, data, false, &count_payload); |
| |
| OSMO_ASSERT(ar == Encoding::AR_COMPLETED_SPACE_LEFT); |
| OSMO_ASSERT(rdbi.e == 0); |
| OSMO_ASSERT(write_offset == 1 + 1); |
| OSMO_ASSERT(count_payload == 1); |
| OSMO_ASSERT(num_chunks == 1); |
| |
| llc.reset(); |
| llc.put_frame(llc_data, 99); |
| count_payload = -1; |
| |
| ar = Encoding::rlc_data_to_dl_append(&rdbi, cs, |
| &llc, &write_offset, &num_chunks, data, false, &count_payload); |
| |
| OSMO_ASSERT(ar == Encoding::AR_NEED_MORE_BLOCKS); |
| OSMO_ASSERT(rdbi.e == 0); |
| OSMO_ASSERT(write_offset == 1 + 1 + 18); |
| OSMO_ASSERT(count_payload == 18); |
| OSMO_ASSERT(num_chunks == 2); |
| |
| OSMO_ASSERT(data[0] == ((1 << 2) | (1 << 1) | (1 << 0))); |
| OSMO_ASSERT(data[1] == 0); |
| |
| /* TS 44.060, B.3 */ |
| cs = CS1; |
| |
| /* Block 1 */ |
| gprs_rlc_data_block_info_init(&rdbi, cs, false, 0); |
| num_chunks = 0; |
| write_offset = 0; |
| memset(data, 0, sizeof(data)); |
| |
| llc.reset(); |
| llc.put_frame(llc_data, 7); |
| count_payload = -1; |
| |
| ar = Encoding::rlc_data_to_dl_append(&rdbi, cs, |
| &llc, &write_offset, &num_chunks, data, false, &count_payload); |
| |
| OSMO_ASSERT(ar == Encoding::AR_COMPLETED_SPACE_LEFT); |
| OSMO_ASSERT(rdbi.e == 0); |
| OSMO_ASSERT(write_offset == 1 + 7); |
| OSMO_ASSERT(count_payload == 7); |
| OSMO_ASSERT(num_chunks == 1); |
| |
| llc.reset(); |
| llc.put_frame(llc_data, 11); |
| count_payload = -1; |
| |
| ar = Encoding::rlc_data_to_dl_append(&rdbi, cs, |
| &llc, &write_offset, &num_chunks, data, false, &count_payload); |
| |
| OSMO_ASSERT(ar == Encoding::AR_COMPLETED_BLOCK_FILLED); |
| OSMO_ASSERT(rdbi.e == 0); |
| OSMO_ASSERT(write_offset == 2 + 7 + 11); |
| OSMO_ASSERT(count_payload == 11); |
| OSMO_ASSERT(num_chunks == 2); |
| |
| OSMO_ASSERT(data[0] == ((7 << 2) | (1 << 1) | (0 << 0))); |
| OSMO_ASSERT(data[1] == ((11 << 2) | (0 << 1) | (1 << 0))); |
| OSMO_ASSERT(data[2] == 0); |
| |
| /* TS 44.060, B.4 */ |
| cs = CS1; |
| |
| /* Block 1 */ |
| gprs_rlc_data_block_info_init(&rdbi, cs, false, 0); |
| num_chunks = 0; |
| write_offset = 0; |
| memset(data, 0, sizeof(data)); |
| |
| llc.reset(); |
| llc.put_frame(llc_data, 99); |
| count_payload = -1; |
| |
| ar = Encoding::rlc_data_to_dl_append(&rdbi, cs, |
| &llc, &write_offset, &num_chunks, data, false, &count_payload); |
| |
| OSMO_ASSERT(ar == Encoding::AR_NEED_MORE_BLOCKS); |
| OSMO_ASSERT(rdbi.e == 1); |
| OSMO_ASSERT(write_offset == 20); |
| OSMO_ASSERT(count_payload == 20); |
| OSMO_ASSERT(num_chunks == 1); |
| OSMO_ASSERT(rdbi.cv != 0); |
| |
| OSMO_ASSERT(data[0] == 0); |
| |
| /* TS 44.060, B.5 */ |
| cs = CS1; |
| |
| /* Block 1 */ |
| gprs_rlc_data_block_info_init(&rdbi, cs, false, 0); |
| num_chunks = 0; |
| write_offset = 0; |
| memset(data, 0, sizeof(data)); |
| |
| llc.reset(); |
| llc.put_frame(llc_data, 20); |
| count_payload = -1; |
| |
| ar = Encoding::rlc_data_to_dl_append(&rdbi, cs, |
| &llc, &write_offset, &num_chunks, data, true, &count_payload); |
| |
| OSMO_ASSERT(ar == Encoding::AR_COMPLETED_BLOCK_FILLED); |
| OSMO_ASSERT(rdbi.e == 1); |
| OSMO_ASSERT(write_offset == 20); |
| OSMO_ASSERT(count_payload == 20); |
| OSMO_ASSERT(num_chunks == 1); |
| OSMO_ASSERT(rdbi.cv == 0); |
| |
| OSMO_ASSERT(data[0] == 0); |
| |
| /* TS 44.060, B.7 */ |
| cs = CS1; |
| |
| /* Block 1 */ |
| gprs_rlc_data_block_info_init(&rdbi, cs, false, 0); |
| num_chunks = 0; |
| write_offset = 0; |
| memset(data, 0, sizeof(data)); |
| |
| llc.reset(); |
| llc.put_frame(llc_data, 30); |
| count_payload = -1; |
| |
| ar = Encoding::rlc_data_to_dl_append(&rdbi, cs, |
| &llc, &write_offset, &num_chunks, data, false, &count_payload); |
| |
| OSMO_ASSERT(ar == Encoding::AR_NEED_MORE_BLOCKS); |
| OSMO_ASSERT(rdbi.e == 1); |
| OSMO_ASSERT(write_offset == 20); |
| OSMO_ASSERT(count_payload == 20); |
| OSMO_ASSERT(num_chunks == 1); |
| |
| OSMO_ASSERT(data[0] == 0); |
| |
| /* Block 2 */ |
| gprs_rlc_data_block_info_init(&rdbi, cs, false, 0); |
| num_chunks = 0; |
| write_offset = 0; |
| memset(data, 0, sizeof(data)); |
| |
| OSMO_ASSERT(llc_chunk_size(&llc) == 10); |
| count_payload = -1; |
| |
| ar = Encoding::rlc_data_to_dl_append(&rdbi, cs, |
| &llc, &write_offset, &num_chunks, data, false, &count_payload); |
| |
| OSMO_ASSERT(ar == Encoding::AR_COMPLETED_SPACE_LEFT); |
| OSMO_ASSERT(rdbi.e == 0); |
| OSMO_ASSERT(write_offset == 1 + 10); |
| OSMO_ASSERT(count_payload == 10); |
| OSMO_ASSERT(num_chunks == 1); |
| |
| llc.reset(); |
| llc.put_frame(llc_data, 99); |
| count_payload = -1; |
| |
| ar = Encoding::rlc_data_to_dl_append(&rdbi, cs, |
| &llc, &write_offset, &num_chunks, data, false, &count_payload); |
| |
| OSMO_ASSERT(ar == Encoding::AR_NEED_MORE_BLOCKS); |
| OSMO_ASSERT(rdbi.e == 0); |
| OSMO_ASSERT(write_offset == 1 + 10 + 9); |
| OSMO_ASSERT(count_payload == 9); |
| OSMO_ASSERT(num_chunks == 2); |
| |
| OSMO_ASSERT(data[0] == ((10 << 2) | (1 << 1) | (1 << 0))); |
| OSMO_ASSERT(data[1] == 0); |
| |
| /* TS 44.060, B.8.1 */ |
| cs = MCS4; |
| |
| /* Block 1 */ |
| gprs_rlc_data_block_info_init(&rdbi, cs, false, 0); |
| num_chunks = 0; |
| write_offset = 0; |
| memset(data, 0, sizeof(data)); |
| |
| llc.reset(); |
| llc.put_frame(llc_data, 11); |
| count_payload = -1; |
| |
| ar = Encoding::rlc_data_to_dl_append(&rdbi, cs, |
| &llc, &write_offset, &num_chunks, data, false, &count_payload); |
| |
| OSMO_ASSERT(ar == Encoding::AR_COMPLETED_SPACE_LEFT); |
| OSMO_ASSERT(rdbi.e == 0); |
| OSMO_ASSERT(write_offset == 1 + 11); |
| OSMO_ASSERT(count_payload == 11); |
| OSMO_ASSERT(num_chunks == 1); |
| |
| llc.reset(); |
| llc.put_frame(llc_data, 26); |
| count_payload = -1; |
| |
| ar = Encoding::rlc_data_to_dl_append(&rdbi, cs, |
| &llc, &write_offset, &num_chunks, data, false, &count_payload); |
| |
| OSMO_ASSERT(ar == Encoding::AR_COMPLETED_SPACE_LEFT); |
| OSMO_ASSERT(rdbi.e == 0); |
| OSMO_ASSERT(write_offset == 2 + 11 + 26); |
| OSMO_ASSERT(count_payload == 26); |
| OSMO_ASSERT(num_chunks == 2); |
| |
| llc.reset(); |
| llc.put_frame(llc_data, 99); |
| count_payload = -1; |
| |
| ar = Encoding::rlc_data_to_dl_append(&rdbi, cs, |
| &llc, &write_offset, &num_chunks, data, false, &count_payload); |
| |
| OSMO_ASSERT(ar == Encoding::AR_NEED_MORE_BLOCKS); |
| OSMO_ASSERT(rdbi.e == 0); |
| OSMO_ASSERT(rdbi.cv != 0); |
| OSMO_ASSERT(write_offset == (int)rdbi.data_len); |
| OSMO_ASSERT(count_payload == 5); |
| OSMO_ASSERT(num_chunks == 3); |
| |
| OSMO_ASSERT(data[0] == ((11 << 1) | (0 << 0))); |
| OSMO_ASSERT(data[1] == ((26 << 1) | (1 << 0))); |
| OSMO_ASSERT(data[2] == 0); |
| |
| /* TS 44.060, B.8.2 */ |
| |
| /* Note that the spec confuses the byte numbering here, since it |
| * includes the FBI/E header bits into the N2 octet count which |
| * is not consistent with Section 10.3a.1 & 10.3a.2. */ |
| |
| cs = MCS2; |
| |
| /* Block 1 */ |
| gprs_rlc_data_block_info_init(&rdbi, cs, false, 0); |
| num_chunks = 0; |
| write_offset = 0; |
| memset(data, 0, sizeof(data)); |
| |
| llc.reset(); |
| llc.put_frame(llc_data, 15); |
| count_payload = -1; |
| |
| ar = Encoding::rlc_data_to_dl_append(&rdbi, cs, |
| &llc, &write_offset, &num_chunks, data, false, &count_payload); |
| |
| OSMO_ASSERT(ar == Encoding::AR_COMPLETED_SPACE_LEFT); |
| OSMO_ASSERT(rdbi.e == 0); |
| OSMO_ASSERT(write_offset == 1 + 15); |
| OSMO_ASSERT(count_payload == 15); |
| OSMO_ASSERT(num_chunks == 1); |
| |
| llc.reset(); |
| llc.put_frame(llc_data, 12); |
| count_payload = -1; |
| |
| ar = Encoding::rlc_data_to_dl_append(&rdbi, cs, |
| &llc, &write_offset, &num_chunks, data, false, &count_payload); |
| |
| /* no LI here, becaues there are exact 12 bytes left. Put LI into next frame */ |
| OSMO_ASSERT(ar == Encoding::AR_NEED_MORE_BLOCKS); |
| OSMO_ASSERT(rdbi.e == 0); |
| OSMO_ASSERT(rdbi.cv != 0); |
| OSMO_ASSERT(write_offset == (int)rdbi.data_len); |
| OSMO_ASSERT(count_payload == 12); |
| OSMO_ASSERT(num_chunks == 2); |
| |
| OSMO_ASSERT(data[0] == ((15 << 1) | (1 << 0))); |
| OSMO_ASSERT(data[1] == 0); |
| |
| /* Block 2 */ |
| gprs_rlc_data_block_info_init(&rdbi, cs, false, 0); |
| num_chunks = 0; |
| write_offset = 0; |
| memset(data, 0, sizeof(data)); |
| |
| OSMO_ASSERT(llc_chunk_size(&llc) == 0); |
| count_payload = -1; |
| |
| ar = Encoding::rlc_data_to_dl_append(&rdbi, cs, |
| &llc, &write_offset, &num_chunks, data, false, &count_payload); |
| |
| OSMO_ASSERT(ar == Encoding::AR_COMPLETED_SPACE_LEFT); |
| OSMO_ASSERT(rdbi.e == 0); |
| OSMO_ASSERT(write_offset == 1 + 0); |
| OSMO_ASSERT(count_payload == 0); |
| OSMO_ASSERT(num_chunks == 1); |
| |
| llc.reset(); |
| llc.put_frame(llc_data, 7); |
| count_payload = -1; |
| |
| ar = Encoding::rlc_data_to_dl_append(&rdbi, cs, |
| &llc, &write_offset, &num_chunks, data, false, &count_payload); |
| |
| OSMO_ASSERT(ar == Encoding::AR_COMPLETED_SPACE_LEFT); |
| OSMO_ASSERT(rdbi.e == 0); |
| OSMO_ASSERT(rdbi.cv != 0); |
| OSMO_ASSERT(write_offset == 2 + 0 + 7); |
| OSMO_ASSERT(count_payload == 7); |
| OSMO_ASSERT(num_chunks == 2); |
| |
| llc.reset(); |
| llc.put_frame(llc_data, 18); |
| count_payload = -1; |
| |
| ar = Encoding::rlc_data_to_dl_append(&rdbi, cs, |
| &llc, &write_offset, &num_chunks, data, false, &count_payload); |
| |
| OSMO_ASSERT(ar == Encoding::AR_COMPLETED_BLOCK_FILLED); |
| OSMO_ASSERT(rdbi.e == 0); |
| OSMO_ASSERT(rdbi.cv != 0); |
| OSMO_ASSERT(write_offset == (int)rdbi.data_len); |
| OSMO_ASSERT(count_payload == 18); |
| OSMO_ASSERT(num_chunks == 3); |
| |
| OSMO_ASSERT(data[0] == ((0 << 1) | (0 << 0))); |
| OSMO_ASSERT(data[1] == ((7 << 1) | (0 << 0))); |
| OSMO_ASSERT(data[2] == ((18 << 1) | (1 << 0))); |
| OSMO_ASSERT(data[3] == 0); |
| |
| /* Block 3 */ |
| gprs_rlc_data_block_info_init(&rdbi, cs, false, 0); |
| num_chunks = 0; |
| write_offset = 0; |
| memset(data, 0, sizeof(data)); |
| |
| llc.reset(); |
| llc.put_frame(llc_data, 6); |
| count_payload = -1; |
| |
| ar = Encoding::rlc_data_to_dl_append(&rdbi, cs, |
| &llc, &write_offset, &num_chunks, data, false, &count_payload); |
| |
| OSMO_ASSERT(ar == Encoding::AR_COMPLETED_SPACE_LEFT); |
| OSMO_ASSERT(rdbi.e == 0); |
| OSMO_ASSERT(write_offset == 1 + 6); |
| OSMO_ASSERT(count_payload == 6); |
| OSMO_ASSERT(num_chunks == 1); |
| |
| llc.reset(); |
| llc.put_frame(llc_data, 12); |
| count_payload = -1; |
| |
| ar = Encoding::rlc_data_to_dl_append(&rdbi, cs, |
| &llc, &write_offset, &num_chunks, data, true, &count_payload); |
| |
| OSMO_ASSERT(ar == Encoding::AR_COMPLETED_BLOCK_FILLED); |
| OSMO_ASSERT(rdbi.e == 0); |
| OSMO_ASSERT(rdbi.cv == 0); |
| OSMO_ASSERT(write_offset == (int)rdbi.data_len); |
| OSMO_ASSERT(count_payload == 12); |
| OSMO_ASSERT(num_chunks == 3); |
| |
| OSMO_ASSERT(data[0] == ((6 << 1) | (0 << 0))); |
| OSMO_ASSERT(data[1] == ((12 << 1) | (0 << 0))); |
| OSMO_ASSERT(data[2] == ((127 << 1) | (1 << 0))); |
| OSMO_ASSERT(data[3] == 0); |
| |
| /* TS 44.060, B.8.3 */ |
| |
| /* Note that the spec confuses the byte numbering here, too (see above) */ |
| |
| cs = MCS2; |
| |
| /* Block 1 */ |
| gprs_rlc_data_block_info_init(&rdbi, cs, false, 0); |
| num_chunks = 0; |
| write_offset = 0; |
| memset(data, 0, sizeof(data)); |
| |
| llc.reset(); |
| llc.put_frame(llc_data, rdbi.data_len); |
| count_payload = -1; |
| |
| ar = Encoding::rlc_data_to_dl_append(&rdbi, cs, |
| &llc, &write_offset, &num_chunks, data, true, &count_payload); |
| |
| OSMO_ASSERT(ar == Encoding::AR_COMPLETED_BLOCK_FILLED); |
| OSMO_ASSERT(rdbi.e == 1); |
| OSMO_ASSERT(rdbi.cv == 0); |
| OSMO_ASSERT(write_offset == (int)rdbi.data_len); |
| OSMO_ASSERT(rdbi.data_len <= INT_MAX && count_payload == (int)rdbi.data_len); |
| OSMO_ASSERT(num_chunks == 1); |
| |
| OSMO_ASSERT(data[0] == 0); |
| |
| /* Final block with an LLC of size data_len-1 */ |
| |
| cs = MCS2; |
| |
| /* Block 1 */ |
| gprs_rlc_data_block_info_init(&rdbi, cs, false, 0); |
| num_chunks = 0; |
| write_offset = 0; |
| memset(data, 0, sizeof(data)); |
| |
| llc.reset(); |
| llc.put_frame(llc_data, rdbi.data_len - 1); |
| count_payload = -1; |
| |
| ar = Encoding::rlc_data_to_dl_append(&rdbi, cs, |
| &llc, &write_offset, &num_chunks, data, true, &count_payload); |
| |
| OSMO_ASSERT(ar == Encoding::AR_COMPLETED_BLOCK_FILLED); |
| OSMO_ASSERT(rdbi.e == 0); |
| OSMO_ASSERT(rdbi.cv == 0); |
| OSMO_ASSERT(write_offset == (int)rdbi.data_len); |
| OSMO_ASSERT((rdbi.data_len - 1) <= INT_MAX |
| && count_payload == (int)(rdbi.data_len - 1)); |
| OSMO_ASSERT(num_chunks == 1); |
| |
| OSMO_ASSERT(data[0] == (((rdbi.data_len-1) << 1) | (1 << 0))); |
| OSMO_ASSERT(data[1] == 0); |
| |
| /* Final block with an LLC of size data_len-2 */ |
| |
| cs = MCS2; |
| |
| /* Block 1 */ |
| gprs_rlc_data_block_info_init(&rdbi, cs, false, 0); |
| num_chunks = 0; |
| write_offset = 0; |
| memset(data, 0, sizeof(data)); |
| |
| llc.reset(); |
| llc.put_frame(llc_data, rdbi.data_len - 2); |
| count_payload = -1; |
| |
| ar = Encoding::rlc_data_to_dl_append(&rdbi, cs, |
| &llc, &write_offset, &num_chunks, data, true, &count_payload); |
| |
| OSMO_ASSERT(ar == Encoding::AR_COMPLETED_BLOCK_FILLED); |
| OSMO_ASSERT(rdbi.e == 0); |
| OSMO_ASSERT(rdbi.cv == 0); |
| OSMO_ASSERT(write_offset == (int)rdbi.data_len); |
| OSMO_ASSERT((rdbi.data_len - 2) <= INT_MAX |
| && count_payload == (int)(rdbi.data_len - 2)); |
| OSMO_ASSERT(num_chunks == 2); |
| |
| OSMO_ASSERT(data[0] == (((rdbi.data_len-2) << 1) | (0 << 0))); |
| OSMO_ASSERT(data[1] == ((127 << 1) | (1 << 0))); |
| OSMO_ASSERT(data[2] == 0); |
| |
| printf("=== end %s ===\n", __func__); |
| } |
| |
| static void test_rlc_unaligned_copy() |
| { |
| uint8_t bits[256]; |
| uint8_t saved_block[256]; |
| uint8_t test_block[256]; |
| uint8_t out_block[256]; |
| enum CodingScheme cs; |
| int pattern; |
| volatile unsigned int block_idx, i; |
| |
| for (cs = CS1; cs < NUM_SCHEMES; cs = static_cast<enum CodingScheme>(cs + 1)) |
| { |
| for (pattern = 0; pattern <= 0xff; pattern += 0xff) { |
| /* prepare test block */ |
| test_block[0] = pattern ^ 0xff; |
| for (i = 1; i + 1 < mcs_max_data_block_bytes(cs); i++) |
| test_block[i] = i; |
| test_block[mcs_max_data_block_bytes(cs)-1] = pattern ^ 0xff; |
| |
| for (block_idx = 0; |
| block_idx < num_data_blocks(mcs_header_type(cs)); |
| block_idx++) |
| { |
| struct gprs_rlc_data_info rlc; |
| gprs_rlc_data_info_init_dl(&rlc, cs, false, 0); |
| |
| memset(bits, pattern, sizeof(bits)); |
| Decoding::rlc_copy_to_aligned_buffer( |
| &rlc, block_idx, bits, saved_block); |
| |
| fprintf(stderr, |
| "Test data block: %s\n", |
| osmo_hexdump(test_block, mcs_max_data_block_bytes(cs))); |
| |
| Encoding::rlc_copy_from_aligned_buffer( |
| &rlc, block_idx, bits, test_block); |
| |
| fprintf(stderr, |
| "Encoded message block, %s, idx %d, " |
| "pattern %02x: %s\n", |
| mcs_name(rlc.cs), block_idx, pattern, |
| osmo_hexdump(bits, mcs_size_dl(cs))); |
| |
| Decoding::rlc_copy_to_aligned_buffer( |
| &rlc, block_idx, bits, out_block); |
| |
| fprintf(stderr, |
| "Out data block: %s\n", |
| osmo_hexdump(out_block, mcs_max_data_block_bytes(cs))); |
| /* restore original bits */ |
| Encoding::rlc_copy_from_aligned_buffer( |
| &rlc, block_idx, bits, saved_block); |
| |
| OSMO_ASSERT(memcmp(test_block, out_block, |
| mcs_max_data_block_bytes(rlc.cs)) == 0); |
| |
| for (i = 0; i < sizeof(bits); i++) |
| OSMO_ASSERT(bits[i] == pattern); |
| } |
| } |
| } |
| } |
| |
| static void test_rlc_info_init() |
| { |
| struct gprs_rlc_data_info rlc; |
| |
| printf("=== start %s ===\n", __func__); |
| gprs_rlc_data_info_init_dl(&rlc, CS1, false, 0); |
| OSMO_ASSERT(rlc.num_data_blocks == 1); |
| OSMO_ASSERT(rlc.data_offs_bits[0] == 24); |
| OSMO_ASSERT(rlc.block_info[0].data_len == 20); |
| |
| gprs_rlc_data_info_init_dl(&rlc, MCS1, false, 0); |
| OSMO_ASSERT(rlc.num_data_blocks == 1); |
| OSMO_ASSERT(rlc.data_offs_bits[0] == 33); |
| OSMO_ASSERT(rlc.block_info[0].data_len == 22); |
| |
| printf("=== end %s ===\n", __func__); |
| } |
| |
| static void setup_bts(BTS *the_bts, uint8_t ts_no, uint8_t cs = 1) |
| { |
| gprs_rlcmac_bts *bts; |
| gprs_rlcmac_trx *trx; |
| |
| bts = the_bts->bts_data(); |
| the_pcu->alloc_algorithm = alloc_algorithm_a; |
| bts->initial_cs_dl = cs; |
| bts->initial_cs_ul = cs; |
| trx = &bts->trx[0]; |
| trx->pdch[ts_no].enable(); |
| } |
| static void uplink_header_type_2_parsing_test(BTS *the_bts, |
| uint8_t ts_no, uint32_t tlli, uint32_t *fn, uint16_t qta, |
| uint8_t ms_class) |
| { |
| int tfi = 0; |
| uint8_t data[79] = {0}; |
| struct gprs_rlc_ul_header_egprs_2 *egprs2 = NULL; |
| |
| egprs2 = (struct gprs_rlc_ul_header_egprs_2 *) data; |
| |
| tfi = 1; |
| |
| struct gprs_rlc_data_info rlc; |
| enum CodingScheme cs; |
| int rc, offs; |
| |
| /*without padding*/ |
| cs = MCS5; |
| egprs2 = (struct gprs_rlc_ul_header_egprs_2 *) data; |
| egprs2->r = 1; |
| egprs2->si = 1; |
| egprs2->cv = 7; |
| egprs2->tfi_hi = tfi & 0x03; |
| egprs2->tfi_lo = (tfi & 0x1c) >> 2; |
| egprs2->bsn1_hi = 0; |
| egprs2->bsn1_lo = 0; |
| egprs2->cps_hi = 3; |
| egprs2->cps_lo = 0; |
| egprs2->rsb = 0; |
| egprs2->pi = 0; |
| data[4] = 0x20; /* Setting E field */ |
| rc = Decoding::rlc_parse_ul_data_header(&rlc, data, cs); |
| OSMO_ASSERT(rc == 487); |
| offs = rlc.data_offs_bits[0] / 8; |
| OSMO_ASSERT(offs == 4); |
| OSMO_ASSERT(rlc.tfi == 1); |
| OSMO_ASSERT(rlc.num_data_blocks == 1); |
| OSMO_ASSERT(rlc.block_info[0].e == 1); |
| OSMO_ASSERT(rlc.block_info[0].ti == 0); |
| OSMO_ASSERT(rlc.block_info[0].bsn == 0); |
| |
| /* with padding case */ |
| cs = MCS6; |
| egprs2 = (struct gprs_rlc_ul_header_egprs_2 *) data; |
| egprs2->r = 1; |
| egprs2->si = 1; |
| egprs2->cv = 7; |
| egprs2->tfi_hi = tfi & 0x03; |
| egprs2->tfi_lo = (tfi & 0x1c) >> 2; |
| egprs2->bsn1_hi = 0; |
| egprs2->bsn1_lo = 0; |
| egprs2->cps_hi = 3; |
| egprs2->cps_lo = 0; |
| egprs2->rsb = 0; |
| egprs2->pi = 0; |
| data[10] = 0x20; /* Setting E field */ |
| rc = Decoding::rlc_parse_ul_data_header(&rlc, data, cs); |
| OSMO_ASSERT(rc == 679); |
| offs = rlc.data_offs_bits[0] / 8; |
| OSMO_ASSERT(offs == 10); |
| OSMO_ASSERT(rlc.num_data_blocks == 1); |
| OSMO_ASSERT(rlc.tfi == 1); |
| OSMO_ASSERT(rlc.block_info[0].e == 1); |
| OSMO_ASSERT(rlc.block_info[0].ti == 0); |
| OSMO_ASSERT(rlc.block_info[0].bsn == 0); |
| |
| egprs2->r = 1; |
| egprs2->si = 1; |
| egprs2->cv = 7; |
| egprs2->tfi_hi = tfi & 0x03; |
| egprs2->tfi_lo = (tfi & 0x1c) >> 2; |
| egprs2->bsn1_hi = 1; |
| egprs2->bsn1_lo = 0; |
| egprs2->cps_hi = 2; |
| egprs2->cps_lo = 0; |
| egprs2->rsb = 0; |
| egprs2->pi = 0; |
| data[10] = 0x20; /* Setting E field */ |
| rc = Decoding::rlc_parse_ul_data_header(&rlc, data, cs); |
| OSMO_ASSERT(rc == 679); |
| offs = rlc.data_offs_bits[0] / 8; |
| OSMO_ASSERT(offs == 10); |
| OSMO_ASSERT(rlc.tfi == 1); |
| OSMO_ASSERT(rlc.num_data_blocks == 1); |
| OSMO_ASSERT(rlc.block_info[0].e == 1); |
| OSMO_ASSERT(rlc.block_info[0].ti == 0); |
| OSMO_ASSERT(rlc.block_info[0].bsn == 1); |
| } |
| |
| static void uplink_header_type2_test(void) |
| { |
| BTS the_bts(the_pcu); |
| int ts_no = 7; |
| uint32_t fn = 2654218; |
| uint16_t qta = 31; |
| uint32_t tlli = 0xf1223344; |
| uint8_t ms_class = 1; |
| |
| printf("=== start %s ===\n", __func__); |
| setup_bts(&the_bts, ts_no, 10); |
| |
| uplink_header_type_2_parsing_test(&the_bts, ts_no, |
| tlli, &fn, qta, ms_class); |
| printf("=== end %s ===\n", __func__); |
| } |
| |
| static void uplink_header_type_1_parsing_test(BTS *the_bts, |
| uint8_t ts_no, uint32_t tlli, uint32_t *fn, uint16_t qta, |
| uint8_t ms_class) |
| { |
| int tfi = 0; |
| uint8_t data[155] = {0}; |
| struct gprs_rlc_ul_header_egprs_1 *egprs1 = NULL; |
| struct gprs_rlc_data_info rlc; |
| enum CodingScheme cs; |
| int rc; |
| |
| egprs1 = (struct gprs_rlc_ul_header_egprs_1 *) data; |
| |
| tfi = 1; |
| |
| /* MCS 7 */ |
| cs = MCS7; |
| egprs1 = (struct gprs_rlc_ul_header_egprs_1 *) data; |
| egprs1->si = 1; |
| egprs1->r = 1; |
| egprs1->cv = 7; |
| egprs1->tfi_hi = tfi & 0x03; |
| egprs1->tfi_lo = (tfi & 0x1c) >> 2; |
| egprs1->bsn1_hi = 0; |
| egprs1->bsn1_lo = 0; |
| egprs1->bsn2_hi = 1; |
| egprs1->bsn2_lo = 0; |
| egprs1->cps = 15; |
| egprs1->rsb = 0; |
| egprs1->pi = 0; |
| data[5] = 0xc0; |
| data[5 + 57] = 1; |
| rc = Decoding::rlc_parse_ul_data_header(&rlc, data, cs); |
| OSMO_ASSERT(rc == 946); |
| OSMO_ASSERT(rlc.num_data_blocks == 2); |
| OSMO_ASSERT(rlc.block_info[0].e == 1); |
| OSMO_ASSERT(rlc.block_info[0].ti == 1); |
| OSMO_ASSERT(rlc.block_info[1].e == 1); |
| OSMO_ASSERT(rlc.block_info[1].ti == 0); |
| OSMO_ASSERT(rlc.block_info[0].bsn == 0); |
| OSMO_ASSERT(rlc.block_info[1].bsn == 1); |
| OSMO_ASSERT(rlc.tfi == 1); |
| |
| /* MCS 8 */ |
| cs = MCS8; |
| egprs1 = (struct gprs_rlc_ul_header_egprs_1 *) data; |
| egprs1->si = 1; |
| egprs1->r = 1; |
| egprs1->cv = 7; |
| egprs1->tfi_hi = tfi & 0x03; |
| egprs1->tfi_lo = (tfi & 0x1c) >> 2; |
| egprs1->bsn1_hi = 0; |
| egprs1->bsn1_lo = 0; |
| egprs1->bsn2_hi = 1; |
| egprs1->bsn2_lo = 0; |
| egprs1->cps = 15; |
| egprs1->rsb = 0; |
| egprs1->pi = 0; |
| data[5] = 0xc0; |
| data[5 + 69] = 1; |
| rc = Decoding::rlc_parse_ul_data_header(&rlc, data, cs); |
| OSMO_ASSERT(rc == 1138); |
| OSMO_ASSERT(rlc.num_data_blocks == 2); |
| OSMO_ASSERT(rlc.block_info[0].e == 1); |
| OSMO_ASSERT(rlc.block_info[0].ti == 1); |
| OSMO_ASSERT(rlc.block_info[1].e == 1); |
| OSMO_ASSERT(rlc.block_info[1].ti == 0); |
| OSMO_ASSERT(rlc.block_info[0].bsn == 0); |
| OSMO_ASSERT(rlc.block_info[1].bsn == 1); |
| OSMO_ASSERT(rlc.tfi == 1); |
| |
| /* MCS 9 */ |
| cs = MCS9; |
| egprs1 = (struct gprs_rlc_ul_header_egprs_1 *) data; |
| egprs1->si = 1; |
| egprs1->r = 1; |
| egprs1->cv = 7; |
| egprs1->tfi_hi = tfi & 0x03; |
| egprs1->tfi_lo = (tfi & 0x1c) >> 2; |
| egprs1->bsn1_hi = 0; |
| egprs1->bsn1_lo = 0; |
| egprs1->bsn2_hi = 1; |
| egprs1->bsn2_lo = 0; |
| egprs1->cps = 15; |
| egprs1->rsb = 0; |
| egprs1->pi = 0; |
| data[5] = 0xc0; |
| data[5 + 75] = 1; |
| rc = Decoding::rlc_parse_ul_data_header(&rlc, data, cs); |
| OSMO_ASSERT(rc == 1234); |
| OSMO_ASSERT(rlc.num_data_blocks == 2); |
| OSMO_ASSERT(rlc.block_info[0].e == 1); |
| OSMO_ASSERT(rlc.block_info[0].ti == 1); |
| OSMO_ASSERT(rlc.block_info[1].e == 1); |
| OSMO_ASSERT(rlc.block_info[1].ti == 0); |
| OSMO_ASSERT(rlc.block_info[0].bsn == 0); |
| OSMO_ASSERT(rlc.block_info[1].bsn == 1); |
| OSMO_ASSERT(rlc.tfi == 1); |
| } |
| |
| void uplink_header_type1_test(void) |
| { |
| BTS the_bts(the_pcu); |
| int ts_no = 7; |
| uint32_t fn = 2654218; |
| uint16_t qta = 31; |
| uint32_t tlli = 0xf1223344; |
| uint8_t ms_class = 1; |
| |
| printf("=== start %s ===\n", __func__); |
| setup_bts(&the_bts, ts_no, 12); |
| uplink_header_type_1_parsing_test(&the_bts, ts_no, tlli, &fn, |
| qta, ms_class); |
| printf("=== end %s ===\n", __func__); |
| } |
| |
| int main(int argc, char **argv) |
| { |
| struct vty_app_info pcu_vty_info = {0}; |
| |
| tall_pcu_ctx = talloc_named_const(NULL, 1, "EdgeTest context"); |
| if (!tall_pcu_ctx) |
| abort(); |
| |
| msgb_talloc_ctx_init(tall_pcu_ctx, 0); |
| osmo_init_logging2(tall_pcu_ctx, &gprs_log_info); |
| log_set_use_color(osmo_stderr_target, 0); |
| log_set_print_filename(osmo_stderr_target, 0); |
| |
| the_pcu = gprs_pcu_alloc(tall_pcu_ctx); |
| |
| vty_init(&pcu_vty_info); |
| pcu_vty_init(); |
| |
| test_coding_scheme(); |
| test_rlc_info_init(); |
| test_rlc_unit_decoder(); |
| test_rlc_unaligned_copy(); |
| test_rlc_unit_encoder(); |
| |
| uplink_header_type2_test(); |
| uplink_header_type1_test(); |
| |
| if (getenv("TALLOC_REPORT_FULL")) |
| talloc_report_full(tall_pcu_ctx, stderr); |
| |
| talloc_free(the_pcu); |
| return EXIT_SUCCESS; |
| } |
| |
| /* |
| * stubs that should not be reached |
| */ |
| extern "C" { |
| void l1if_pdch_req() { abort(); } |
| void l1if_connect_pdch() { abort(); } |
| void l1if_close_pdch() { abort(); } |
| void l1if_open_pdch() { abort(); } |
| } |