| /* |
| * TbfTest.cpp |
| * |
| * Copyright (C) 2013 by Holger Hans Peter Freyther |
| * |
| * 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 "bts.h" |
| #include "tbf.h" |
| #include "tbf_dl.h" |
| #include "tbf_ul.h" |
| #include "gprs_ms.h" |
| #include "gprs_debug.h" |
| #include "gprs_ms_storage.h" |
| #include "pcu_utils.h" |
| #include "gprs_bssgp_pcu.h" |
| #include "pcu_l1_if.h" |
| #include "decoding.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 <osmocom/gsm/l1sap.h> |
| #include <osmocom/core/fsm.h> |
| } |
| |
| #include <errno.h> |
| |
| #define DUMMY_FN 2654167 |
| |
| void *tall_pcu_ctx; |
| int16_t spoof_mnc = 0, spoof_mcc = 0; |
| bool spoof_mnc_3_digits = false; |
| |
| /* Measurements shared by all unit tests */ |
| static struct pcu_l1_meas meas; |
| |
| int gprs_gp_send_test_cb(void *ctx, struct msgb *msg) |
| { |
| return 0; |
| } |
| |
| static gprs_pcu *prepare_pcu(void) |
| { |
| struct gprs_pcu *pcu = gprs_pcu_alloc(tall_pcu_ctx); |
| bssgp_set_bssgp_callback(gprs_gp_send_test_cb, NULL); |
| osmo_tdef_set(pcu->T_defs, -2030, 0, OSMO_TDEF_S); |
| osmo_tdef_set(pcu->T_defs, -2031, 0, OSMO_TDEF_S); |
| return pcu; |
| } |
| |
| static int bts_handle_rach(struct gprs_rlcmac_bts *bts, uint16_t ra, uint32_t Fn, int16_t qta) |
| { |
| struct rach_ind_params rip = { |
| .burst_type = GSM_L1_BURST_TYPE_ACCESS_0, |
| .is_11bit = false, |
| .ra = ra, |
| .trx_nr = 0, |
| .ts_nr = 0, |
| .rfn = Fn, |
| .qta = qta, |
| }; |
| |
| return bts_rcv_rach(bts, &rip); |
| } |
| |
| static void check_tbf(gprs_rlcmac_tbf *tbf) |
| { |
| OSMO_ASSERT(tbf); |
| if (tbf->state_is(TBF_ST_WAIT_RELEASE)) |
| OSMO_ASSERT(tbf->timers_pending(T3191) || osmo_timer_pending(&tbf->state_fsm.fi->timer)); |
| if (tbf->state_is(TBF_ST_RELEASING)) |
| OSMO_ASSERT(tbf->timers_pending(T_MAX)); |
| } |
| |
| static void test_tbf_base() |
| { |
| |
| fprintf(stderr, "=== start %s ===\n", __func__); |
| |
| OSMO_ASSERT(GPRS_RLCMAC_DL_TBF == reverse(GPRS_RLCMAC_UL_TBF)); |
| OSMO_ASSERT(GPRS_RLCMAC_UL_TBF == reverse(GPRS_RLCMAC_DL_TBF)); |
| |
| fprintf(stderr, "=== end %s ===\n", __func__); |
| } |
| |
| static void test_tbf_tlli_update() |
| { |
| the_pcu = prepare_pcu(); |
| struct gprs_rlcmac_bts *bts = bts_alloc(the_pcu, 0); |
| GprsMs *ms, *ms_new; |
| |
| fprintf(stderr, "=== start %s ===\n", __func__); |
| |
| the_pcu->alloc_algorithm = alloc_algorithm_a; |
| bts->trx[0].pdch[2].enable(); |
| bts->trx[0].pdch[3].enable(); |
| |
| /* |
| * Make a uplink and downlink allocation |
| */ |
| ms = bts_alloc_ms(bts, 0, 0); |
| gprs_rlcmac_tbf *dl_tbf = tbf_alloc_dl_tbf(bts, |
| ms, 0, false); |
| OSMO_ASSERT(dl_tbf != NULL); |
| dl_tbf->update_ms(0x2342, GPRS_RLCMAC_DL_TBF); |
| dl_tbf->set_ta(4); |
| OSMO_ASSERT(ms_dl_tbf(ms) == dl_tbf); |
| OSMO_ASSERT(dl_tbf->ms() == ms); |
| |
| gprs_rlcmac_tbf *ul_tbf = tbf_alloc_ul_tbf(bts, |
| ms, 0, false); |
| OSMO_ASSERT(ul_tbf != NULL); |
| ul_tbf->update_ms(0x2342, GPRS_RLCMAC_UL_TBF); |
| OSMO_ASSERT(ms_ul_tbf(ms) == ul_tbf); |
| OSMO_ASSERT(ul_tbf->ms() == ms); |
| |
| OSMO_ASSERT(bts_ms_by_tlli(bts, 0x2342, GSM_RESERVED_TMSI) == ms); |
| |
| /* |
| * Now check.. that DL changes and that the timing advance |
| * has changed. |
| */ |
| dl_tbf->update_ms(0x4232, GPRS_RLCMAC_DL_TBF); |
| |
| /* It is still there, since the new TLLI has not been used for UL yet */ |
| ms_new = bts_ms_by_tlli(bts, 0x2342, GSM_RESERVED_TMSI); |
| OSMO_ASSERT(ms == ms_new); |
| |
| ms_new = bts_ms_by_tlli(bts, 0x4232, GSM_RESERVED_TMSI); |
| OSMO_ASSERT(ms == ms_new); |
| OSMO_ASSERT(ms_dl_tbf(ms) == dl_tbf); |
| OSMO_ASSERT(ms_ul_tbf(ms) == ul_tbf); |
| |
| /* Now use the new TLLI for UL */ |
| ul_tbf->update_ms(0x4232, GPRS_RLCMAC_UL_TBF); |
| ms_new = bts_ms_by_tlli(bts, 0x2342, GSM_RESERVED_TMSI); |
| OSMO_ASSERT(ms_new == NULL); |
| |
| ms_new = bts_ms_by_tlli(bts, 0x4232, GSM_RESERVED_TMSI); |
| OSMO_ASSERT(ms_new != NULL); |
| OSMO_ASSERT(ms_ta(ms_new) == 4); |
| |
| OSMO_ASSERT(ul_tbf->ta() == 4); |
| OSMO_ASSERT(dl_tbf->ta() == 4); |
| |
| ul_tbf->set_ta(6); |
| |
| OSMO_ASSERT(ul_tbf->ta() == 6); |
| OSMO_ASSERT(dl_tbf->ta() == 6); |
| |
| fprintf(stderr, "=== end %s ===\n", __func__); |
| TALLOC_FREE(the_pcu); |
| } |
| |
| static uint8_t llc_data[200]; |
| |
| /* override, requires '-Wl,--wrap=pcu_sock_send' */ |
| int __real_pcu_sock_send(struct msgb *msg); |
| extern "C" int __wrap_pcu_sock_send(struct msgb *msg) |
| { |
| return 0; |
| } |
| |
| static void setup_bts(struct gprs_rlcmac_bts *bts, uint8_t ts_no, uint8_t cs = 1) |
| { |
| gprs_rlcmac_trx *trx; |
| |
| 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(); |
| bts_set_current_frame_number(bts, DUMMY_FN); |
| } |
| |
| static gprs_rlcmac_dl_tbf *create_dl_tbf(struct gprs_rlcmac_bts *bts, uint8_t ms_class, |
| uint8_t egprs_ms_class, uint8_t *trx_no_) |
| { |
| int tfi; |
| uint8_t trx_no; |
| GprsMs *ms; |
| gprs_rlcmac_dl_tbf *dl_tbf; |
| |
| ms = bts_alloc_ms(bts, ms_class, egprs_ms_class); |
| |
| tfi = bts_tfi_find_free(bts, GPRS_RLCMAC_DL_TBF, &trx_no, -1); |
| OSMO_ASSERT(tfi >= 0); |
| dl_tbf = tbf_alloc_dl_tbf(bts, ms, trx_no, true); |
| OSMO_ASSERT(dl_tbf); |
| dl_tbf->set_ta(0); |
| check_tbf(dl_tbf); |
| |
| /* "Establish" the DL TBF */ |
| osmo_fsm_inst_dispatch(dl_tbf->dl_ass_fsm.fi, TBF_DL_ASS_EV_SCHED_ASS, NULL); |
| osmo_fsm_inst_dispatch(dl_tbf->state_fsm.fi, TBF_EV_ASSIGN_ADD_CCCH, NULL); |
| osmo_fsm_inst_dispatch(dl_tbf->state_fsm.fi, TBF_EV_ASSIGN_ACK_PACCH, NULL); |
| check_tbf(dl_tbf); |
| |
| *trx_no_ = trx_no; |
| |
| return dl_tbf; |
| } |
| |
| static unsigned fn_add_blocks(unsigned fn, unsigned blocks) |
| { |
| unsigned bn = fn2bn(fn) + blocks; |
| fn = fn - (fn % 52); |
| fn += bn * 4 + bn / 3; |
| return fn % GSM_MAX_FN; |
| } |
| |
| static void request_dl_rlc_block(struct gprs_rlcmac_bts *bts, |
| uint8_t trx_no, uint8_t ts_no, |
| uint32_t *fn, uint8_t *block_nr = NULL) |
| { |
| uint8_t bn = fn2bn(*fn); |
| gprs_rlcmac_rcv_rts_block(bts, trx_no, ts_no, *fn, bn); |
| *fn = fn_add_blocks(*fn, 1); |
| bn += 1; |
| if (block_nr) |
| *block_nr = bn; |
| } |
| |
| static void request_dl_rlc_block(struct gprs_rlcmac_tbf *tbf, |
| uint32_t *fn, uint8_t *block_nr = NULL) |
| { |
| request_dl_rlc_block(tbf->bts, tbf->trx->trx_no, |
| tbf->control_ts, fn, block_nr); |
| } |
| |
| enum test_tbf_final_ack_mode { |
| TEST_MODE_STANDARD, |
| TEST_MODE_REVERSE_FREE |
| }; |
| |
| /* Receive an ACK */ |
| static void _rcv_ack(bool fin, gprs_rlcmac_dl_tbf *tbf, uint8_t *rbb) |
| { |
| gprs_rlc_dl_window *w = static_cast<gprs_rlc_dl_window *>(tbf->window()); |
| uint8_t bits_data[RLC_GPRS_WS/8]; |
| bitvec bits; |
| Ack_Nack_Description_t ack_nack; |
| int bsn_begin, bsn_end; |
| uint8_t ssn = w->v_s(); |
| |
| bits.data = bits_data; |
| bits.data_len = sizeof(bits_data); |
| bits.cur_bit = 0; |
| ack_nack.FINAL_ACK_INDICATION = fin; |
| ack_nack.STARTING_SEQUENCE_NUMBER = ssn; |
| memcpy(ack_nack.RECEIVED_BLOCK_BITMAP, rbb, RLC_GPRS_WS/8); |
| |
| Decoding::decode_gprs_acknack_bits( |
| &ack_nack, &bits, |
| &bsn_begin, &bsn_end, w); |
| |
| tbf->rcvd_dl_ack(fin, bsn_begin, &bits); |
| if (!fin) |
| OSMO_ASSERT(w->window_empty()); |
| } |
| |
| static void test_tbf_final_ack(enum test_tbf_final_ack_mode test_mode) |
| { |
| the_pcu = prepare_pcu(); |
| struct gprs_rlcmac_bts *bts = bts_alloc(the_pcu, 0); |
| uint8_t ts_no = 4; |
| unsigned i; |
| uint8_t ms_class = 45; |
| uint32_t fn; |
| uint8_t block_nr; |
| uint8_t trx_no; |
| GprsMs *ms; |
| uint32_t tlli = 0xffeeddcc; |
| |
| uint8_t rbb[64/8]; |
| |
| fprintf(stderr, "=== start %s ===\n", __func__); |
| |
| gprs_rlcmac_dl_tbf *dl_tbf; |
| gprs_rlcmac_tbf *new_tbf; |
| |
| setup_bts(bts, ts_no); |
| dl_tbf = create_dl_tbf(bts, ms_class, 0, &trx_no); |
| dl_tbf->update_ms(tlli, GPRS_RLCMAC_DL_TBF); |
| ms = dl_tbf->ms(); |
| |
| for (i = 0; i < sizeof(llc_data); i++) |
| llc_data[i] = i%256; |
| |
| /* Schedule two LLC frames */ |
| dl_tbf->append_data(1000, llc_data, sizeof(llc_data)); |
| dl_tbf->append_data(1000, llc_data, sizeof(llc_data)); |
| |
| |
| /* Send only a few RLC/MAC blocks */ |
| fn = 0; |
| do { |
| /* Request to send one block */ |
| request_dl_rlc_block(dl_tbf, &fn, &block_nr); |
| } while (block_nr < 3); |
| |
| OSMO_ASSERT(dl_tbf->have_data()); |
| OSMO_ASSERT(dl_tbf->state_is(TBF_ST_FLOW)); |
| |
| /* Queue a final ACK */ |
| memset(rbb, 0, sizeof(rbb)); |
| /* Receive a final ACK */ |
| _rcv_ack(true, dl_tbf, rbb); |
| |
| /* Clean up and ensure tbfs are in the correct state */ |
| OSMO_ASSERT(dl_tbf->state_is(TBF_ST_WAIT_RELEASE)); |
| new_tbf = ms_dl_tbf(ms); |
| check_tbf(new_tbf); |
| OSMO_ASSERT(new_tbf != dl_tbf); |
| OSMO_ASSERT(new_tbf->tfi() == 1); |
| check_tbf(dl_tbf); |
| if (test_mode == TEST_MODE_REVERSE_FREE) { |
| ms_ref(ms); |
| tbf_free(new_tbf); |
| OSMO_ASSERT(ms_dl_tbf(ms) == NULL); |
| check_tbf(dl_tbf); |
| tbf_free(dl_tbf); |
| ms_unref(ms); |
| } else { |
| ms_ref(ms); |
| tbf_free(dl_tbf); |
| OSMO_ASSERT(ms_dl_tbf(ms) == new_tbf); |
| check_tbf(new_tbf); |
| tbf_free(new_tbf); |
| OSMO_ASSERT(ms_dl_tbf(ms) == NULL); |
| ms_unref(ms); |
| } |
| |
| TALLOC_FREE(the_pcu); |
| fprintf(stderr, "=== end %s ===\n", __func__); |
| } |
| |
| static void test_tbf_delayed_release() |
| { |
| the_pcu = prepare_pcu(); |
| struct gprs_rlcmac_bts *bts = bts_alloc(the_pcu, 0); |
| uint8_t ts_no = 4; |
| unsigned i; |
| uint8_t ms_class = 45; |
| uint32_t fn = 0; |
| uint8_t trx_no; |
| uint32_t tlli = 0xffeeddcc; |
| unsigned long dl_tbf_idle_msec; |
| |
| uint8_t rbb[64/8]; |
| |
| gprs_rlcmac_dl_tbf *dl_tbf; |
| |
| fprintf(stderr, "=== start %s ===\n", __func__); |
| |
| setup_bts(bts, ts_no); |
| OSMO_ASSERT(osmo_tdef_set(the_pcu->T_defs, -2031, 200, OSMO_TDEF_MS) == 0); |
| |
| dl_tbf = create_dl_tbf(bts, ms_class, 0, &trx_no); |
| dl_tbf->update_ms(tlli, GPRS_RLCMAC_DL_TBF); |
| |
| for (i = 0; i < sizeof(llc_data); i++) |
| llc_data[i] = i%256; |
| |
| OSMO_ASSERT(dl_tbf->state_is(TBF_ST_FLOW)); |
| |
| /* Schedule two LLC frames */ |
| dl_tbf->append_data(1000, llc_data, sizeof(llc_data)); |
| dl_tbf->append_data(1000, llc_data, sizeof(llc_data)); |
| |
| OSMO_ASSERT(dl_tbf->state_is(TBF_ST_FLOW)); |
| |
| /* Drain the queue */ |
| while (dl_tbf->have_data()) |
| /* Request to send one RLC/MAC block */ |
| request_dl_rlc_block(dl_tbf, &fn); |
| |
| OSMO_ASSERT(dl_tbf->state_is(TBF_ST_FLOW)); |
| |
| /* ACK all blocks */ |
| memset(rbb, 0xff, sizeof(rbb)); |
| |
| _rcv_ack(false, dl_tbf, rbb); /* Receive an ACK */ |
| |
| /* Force sending of a single block containing an LLC dummy command */ |
| request_dl_rlc_block(dl_tbf, &fn); |
| |
| _rcv_ack(false, dl_tbf, rbb); /* Receive an ACK */ |
| |
| /* Timeout (make sure fn % 52 remains valid) */ |
| dl_tbf_idle_msec = osmo_tdef_get(the_pcu->T_defs, -2031, OSMO_TDEF_MS, -1); |
| fn += 52 * ((msecs_to_frames(dl_tbf_idle_msec + 100) + 51)/ 52); |
| request_dl_rlc_block(dl_tbf, &fn); |
| |
| OSMO_ASSERT(dl_tbf->state_is(TBF_ST_FINISHED)); |
| |
| _rcv_ack(true, dl_tbf, rbb); /* Receive a final ACK */ |
| |
| /* Clean up and ensure tbfs are in the correct state */ |
| OSMO_ASSERT(dl_tbf->state_is(TBF_ST_WAIT_RELEASE)); |
| check_tbf(dl_tbf); |
| tbf_free(dl_tbf); |
| TALLOC_FREE(the_pcu); |
| fprintf(stderr, "=== end %s ===\n", __func__); |
| } |
| |
| static void test_tbf_imsi() |
| { |
| the_pcu = prepare_pcu(); |
| struct gprs_rlcmac_bts *bts = bts_alloc(the_pcu, 0); |
| uint8_t ts_no = 4; |
| uint8_t ms_class = 45; |
| uint8_t trx_no; |
| GprsMs *ms1, *ms2; |
| |
| gprs_rlcmac_dl_tbf *dl_tbf[2]; |
| |
| fprintf(stderr, "=== start %s ===\n", __func__); |
| |
| setup_bts(bts, ts_no); |
| |
| dl_tbf[0] = create_dl_tbf(bts, ms_class, 0, &trx_no); |
| dl_tbf[1] = create_dl_tbf(bts, ms_class, 0, &trx_no); |
| |
| dl_tbf[0]->update_ms(0xf1000001, GPRS_RLCMAC_DL_TBF); |
| dl_tbf[1]->update_ms(0xf1000002, GPRS_RLCMAC_DL_TBF); |
| |
| ms_set_imsi(dl_tbf[0]->ms(), "001001000000001"); |
| ms1 = bts_ms_store(bts)->get_ms(0, 0, "001001000000001"); |
| OSMO_ASSERT(ms1 != NULL); |
| ms2 = bts_ms_store(bts)->get_ms(0xf1000001); |
| OSMO_ASSERT(ms2 != NULL); |
| OSMO_ASSERT(strcmp(ms_imsi(ms2), "001001000000001") == 0); |
| OSMO_ASSERT(ms1 == ms2); |
| |
| /* change the IMSI on TBF 0 */ |
| ms_set_imsi(dl_tbf[0]->ms(), "001001000000002"); |
| ms1 = bts_ms_store(bts)->get_ms(0, 0, "001001000000001"); |
| OSMO_ASSERT(ms1 == NULL); |
| ms1 = bts_ms_store(bts)->get_ms(0, 0, "001001000000002"); |
| OSMO_ASSERT(ms1 != NULL); |
| OSMO_ASSERT(strcmp(ms_imsi(ms2), "001001000000002") == 0); |
| OSMO_ASSERT(ms1 == ms2); |
| |
| /* use the same IMSI on TBF 1 */ |
| { |
| ms_ref(ms2); |
| ms_set_imsi(dl_tbf[1]->ms(), "001001000000002"); |
| ms1 = bts_ms_store(bts)->get_ms(0, 0, "001001000000002"); |
| OSMO_ASSERT(ms1 != NULL); |
| OSMO_ASSERT(ms1 != ms2); |
| OSMO_ASSERT(strcmp(ms_imsi(ms1), "001001000000002") == 0); |
| OSMO_ASSERT(strcmp(ms_imsi(ms2), "") == 0); |
| ms_unref(ms2); |
| } |
| |
| ms2 = bts_ms_store(bts)->get_ms(0xf1000001); |
| OSMO_ASSERT(ms2 == NULL); |
| |
| tbf_free(dl_tbf[1]); |
| ms1 = bts_ms_store(bts)->get_ms(0, 0, "001001000000002"); |
| OSMO_ASSERT(ms1 == NULL); |
| |
| TALLOC_FREE(the_pcu); |
| fprintf(stderr, "=== end %s ===\n", __func__); |
| } |
| |
| static void test_tbf_exhaustion() |
| { |
| the_pcu = prepare_pcu(); |
| struct gprs_rlcmac_bts *bts = bts_alloc(the_pcu, 0); |
| unsigned i; |
| uint8_t ts_no = 4; |
| uint8_t ms_class = 45; |
| int rc = 0; |
| |
| uint8_t buf[256] = {0}; |
| |
| fprintf(stderr, "=== start %s ===\n", __func__); |
| |
| bts->pcu->nsi = gprs_ns2_instantiate(tall_pcu_ctx, gprs_ns_prim_cb, NULL); |
| if (!bts->pcu->nsi) { |
| LOGP(DBSSGP, LOGL_ERROR, "Failed to create NS instance\n"); |
| abort(); |
| } |
| |
| setup_bts(bts, ts_no); |
| gprs_bssgp_init(bts, 1234, 1234, 1, 1, false, 0, 0, 0); |
| |
| for (i = 0; i < 1024; i++) { |
| uint32_t tlli = 0xc0000000 + i; |
| char imsi[16] = {0}; |
| unsigned delay_csec = 1000; |
| |
| snprintf(imsi, sizeof(imsi), "001001%09d", i); |
| |
| rc = dl_tbf_handle(bts, tlli, 0, imsi, ms_class, 0, |
| delay_csec, buf, sizeof(buf)); |
| |
| if (rc < 0) |
| break; |
| } |
| |
| OSMO_ASSERT(rc == -EBUSY); |
| fprintf(stderr, "=== end %s ===\n", __func__); |
| |
| gprs_bssgp_destroy(bts); |
| TALLOC_FREE(the_pcu); |
| } |
| |
| static void test_tbf_dl_llc_loss() |
| { |
| the_pcu = prepare_pcu(); |
| struct gprs_rlcmac_bts *bts = bts_alloc(the_pcu, 0); |
| uint8_t ts_no = 4; |
| uint8_t ms_class = 45; |
| int rc = 0; |
| uint32_t tlli = 0xc0123456; |
| const char *imsi = "001001000123456"; |
| unsigned delay_csec = 1000; |
| GprsMs *ms; |
| |
| uint8_t buf[19]; |
| |
| bts->pcu->nsi = gprs_ns2_instantiate(tall_pcu_ctx, gprs_ns_prim_cb, NULL); |
| if (!bts->pcu->nsi) { |
| LOGP(DBSSGP, LOGL_ERROR, "Failed to create NS instance\n"); |
| abort(); |
| } |
| |
| fprintf(stderr, "=== start %s ===\n", __func__); |
| |
| setup_bts(bts, ts_no); |
| /* keep the MS object 10 seconds */ |
| OSMO_ASSERT(osmo_tdef_set(the_pcu->T_defs, -2030, 10, OSMO_TDEF_S) == 0); |
| |
| gprs_bssgp_init(bts, 2234, 2234, 1, 1, false, 0, 0, 0); |
| |
| /* Handle LLC frame 1 */ |
| memset(buf, 1, sizeof(buf)); |
| rc = dl_tbf_handle(bts, tlli, 0, imsi, ms_class, 0, |
| delay_csec, buf, sizeof(buf)); |
| OSMO_ASSERT(rc >= 0); |
| |
| ms = bts_ms_store(bts)->get_ms(0, 0, imsi); |
| OSMO_ASSERT(ms != NULL); |
| OSMO_ASSERT(ms_dl_tbf(ms) != NULL); |
| ms_dl_tbf(ms)->set_ta(0); |
| |
| /* Handle LLC frame 2 */ |
| memset(buf, 2, sizeof(buf)); |
| rc = dl_tbf_handle(bts, tlli, 0, imsi, ms_class, 0, |
| delay_csec, buf, sizeof(buf)); |
| OSMO_ASSERT(rc >= 0); |
| |
| /* TBF establishment fails (timeout) */ |
| tbf_free(ms_dl_tbf(ms)); |
| |
| /* Handle LLC frame 3 */ |
| memset(buf, 3, sizeof(buf)); |
| rc = dl_tbf_handle(bts, tlli, 0, imsi, ms_class, 0, |
| delay_csec, buf, sizeof(buf)); |
| OSMO_ASSERT(rc >= 0); |
| |
| OSMO_ASSERT(ms_dl_tbf(ms) != NULL); |
| |
| /* Here PCU would answer with data_cnf and trigger |
| * bts_rcv_imm_ass_cnf(), which would trigger TBF_EV_ASSIGN_PCUIF_CNF. |
| * That in turn would set up timer X2002. Finally, X2002 timeout |
| * moves it to FLOW state. We set X2002 timeout to 0 here to get |
| * immediate trigger through osmo_select_main() */ |
| OSMO_ASSERT(osmo_tdef_set(the_pcu->T_defs, -2002, 0, OSMO_TDEF_MS) == 0); |
| osmo_fsm_inst_dispatch(ms_dl_tbf(ms)->state_fsm.fi, TBF_EV_ASSIGN_PCUIF_CNF, NULL); |
| osmo_select_main(0); |
| OSMO_ASSERT(ms_dl_tbf(ms)->state_is(TBF_ST_FLOW)); |
| |
| /* Get first BSN */ |
| struct msgb *msg; |
| int fn = 0; |
| uint8_t expected_data = 1; |
| static uint8_t exp[][GSM_MACBLOCK_LEN] = { |
| { 0x07, 0x00, 0x00, 0x4d, 0x01, 0x01, 0x01, |
| 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01 }, |
| { 0x07, 0x00, 0x02, 0x4d, 0x02, 0x02, 0x02, |
| 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02 }, |
| { 0x07, 0x01, 0x04, 0x4d, 0x03, 0x03, 0x03, |
| 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03 }, |
| }; |
| |
| while (ms_dl_tbf(ms)->have_data()) { |
| msg = ms_dl_tbf(ms)->create_dl_acked_block(fn += 4, 7); |
| fprintf(stderr, "MSG = %s\n", msgb_hexdump(msg)); |
| if (!msgb_eq_data_print(msg, exp[expected_data - 1], GSM_MACBLOCK_LEN)) |
| fprintf(stderr, "%s failed at %u\n", __func__, expected_data); |
| |
| expected_data += 1; |
| } |
| OSMO_ASSERT(expected_data-1 == 3); |
| |
| fprintf(stderr, "=== end %s ===\n", __func__); |
| |
| gprs_bssgp_destroy(bts); |
| TALLOC_FREE(the_pcu); |
| } |
| |
| static gprs_rlcmac_ul_tbf *establish_ul_tbf_single_phase(struct gprs_rlcmac_bts *bts, |
| uint8_t ts_no, uint32_t tlli, uint32_t *fn, uint16_t qta) |
| { |
| GprsMs *ms; |
| int tfi = 0; |
| gprs_rlcmac_ul_tbf *ul_tbf; |
| uint8_t trx_no = 0; |
| struct gprs_rlcmac_pdch *pdch; |
| |
| tfi = bts_tfi_find_free(bts, GPRS_RLCMAC_UL_TBF, &trx_no, -1); |
| |
| bts_handle_rach(bts, 0x03, *fn, qta); |
| |
| ul_tbf = bts_ul_tbf_by_tfi(bts, tfi, trx_no, ts_no); |
| OSMO_ASSERT(ul_tbf != NULL); |
| |
| OSMO_ASSERT(ul_tbf->ta() == qta / 4); |
| |
| uint8_t data_msg[23] = { |
| 0x00, /* GPRS_RLCMAC_DATA_BLOCK << 6 */ |
| uint8_t(1 | (tfi << 2)), |
| uint8_t(1), /* BSN:7, E:1 */ |
| uint8_t(tlli >> 24), uint8_t(tlli >> 16), |
| uint8_t(tlli >> 8), uint8_t(tlli), /* TLLI */ |
| }; |
| |
| pdch = &bts->trx[trx_no].pdch[ts_no]; |
| pdch->rcv_block(&data_msg[0], sizeof(data_msg), *fn, &meas); |
| |
| ms = bts_ms_by_tlli(bts, tlli, GSM_RESERVED_TMSI); |
| OSMO_ASSERT(ms != NULL); |
| |
| return ul_tbf; |
| } |
| |
| static void send_ul_mac_block_buf(struct gprs_rlcmac_bts *bts, struct gprs_rlcmac_pdch *pdch, |
| unsigned fn, uint8_t *buf, int num_bytes) |
| { |
| bts_set_current_block_frame_number(bts, fn); |
| pdch->rcv_block(buf, num_bytes, fn, &meas); |
| pdch_ulc_expire_fn(pdch->ulc, fn); |
| } |
| |
| static void send_ul_mac_block(struct gprs_rlcmac_bts *bts, unsigned trx_no, unsigned ts_no, |
| RlcMacUplink_t *ulreq, unsigned fn) |
| { |
| bitvec *rlc_block; |
| uint8_t buf[64]; |
| int num_bytes; |
| struct gprs_rlcmac_pdch *pdch; |
| |
| rlc_block = bitvec_alloc(23, tall_pcu_ctx); |
| |
| OSMO_ASSERT(encode_gsm_rlcmac_uplink(rlc_block, ulreq) == 0); |
| num_bytes = bitvec_pack(rlc_block, &buf[0]); |
| OSMO_ASSERT(size_t(num_bytes) < sizeof(buf)); |
| bitvec_free(rlc_block); |
| |
| pdch = &bts->trx[trx_no].pdch[ts_no]; |
| send_ul_mac_block_buf(bts, pdch, fn, &buf[0], num_bytes); |
| } |
| |
| |
| static uint32_t get_poll_fn(struct gprs_rlcmac_tbf *tbf, uint8_t poll_ts) |
| { |
| struct gprs_rlcmac_pdch *pdch = &tbf->trx->pdch[poll_ts]; |
| struct pdch_ulc *ulc = pdch->ulc; |
| struct rb_node *node; |
| struct pdch_ulc_node *item; |
| |
| for (node = rb_first(&ulc->tree_root); node; node = rb_next(node)) { |
| item = container_of(node, struct pdch_ulc_node, node); |
| if (item->type == PDCH_ULC_NODE_TBF_POLL && item->tbf_poll.poll_tbf == tbf) |
| return item->fn; |
| } |
| OSMO_ASSERT(0); |
| } |
| |
| static void send_control_ack(gprs_rlcmac_tbf *tbf) |
| { |
| RlcMacUplink_t ulreq = {0}; |
| |
| ulreq.u.MESSAGE_TYPE = MT_PACKET_CONTROL_ACK; |
| Packet_Control_Acknowledgement_t *ctrl_ack = |
| &ulreq.u.Packet_Control_Acknowledgement; |
| |
| ctrl_ack->PayloadType = GPRS_RLCMAC_CONTROL_BLOCK; |
| ctrl_ack->TLLI = tbf->tlli(); |
| send_ul_mac_block(tbf->bts, tbf->trx->trx_no, tbf->control_ts, |
| &ulreq, get_poll_fn(tbf, tbf->control_ts)); |
| } |
| |
| static void send_empty_block(gprs_rlcmac_tbf *tbf, unsigned ts_no, unsigned fn) |
| { |
| struct gprs_rlcmac_pdch *pdch; |
| pdch = &tbf->bts->trx[tbf->trx->trx_no].pdch[ts_no]; |
| send_ul_mac_block_buf(tbf->bts, pdch, fn, NULL, 0); |
| } |
| |
| static gprs_rlcmac_ul_tbf *puan_urbb_len_issue(struct gprs_rlcmac_bts *bts, |
| uint8_t ts_no, uint32_t tlli, uint32_t *fn, uint16_t qta, |
| uint8_t ms_class, uint8_t egprs_ms_class) |
| { |
| GprsMs *ms; |
| uint32_t rach_fn = *fn - 51; |
| uint32_t sba_fn = *fn + 52; |
| uint8_t trx_no = 0; |
| int tfi = 0; |
| gprs_rlcmac_ul_tbf *ul_tbf; |
| struct gprs_rlcmac_pdch *pdch; |
| RlcMacUplink_t ulreq = {0}; |
| struct gprs_rlc_ul_header_egprs_3 *egprs3 = NULL; |
| |
| /* needed to set last_rts_fn in the PDCH object */ |
| request_dl_rlc_block(bts, trx_no, ts_no, fn); |
| |
| /* |
| * simulate RACH, this sends an Immediate |
| * Assignment Uplink on the AGCH |
| */ |
| bts_handle_rach(bts, 0x73, rach_fn, qta); |
| |
| /* get next free TFI */ |
| tfi = bts_tfi_find_free(bts, GPRS_RLCMAC_UL_TBF, &trx_no, -1); |
| |
| /* fake a resource request */ |
| ulreq.u.MESSAGE_TYPE = MT_PACKET_RESOURCE_REQUEST; |
| ulreq.u.Packet_Resource_Request.PayloadType = GPRS_RLCMAC_CONTROL_BLOCK; |
| ulreq.u.Packet_Resource_Request.ID.UnionType = 1; /* != 0 */ |
| ulreq.u.Packet_Resource_Request.ID.u.TLLI = tlli; |
| ulreq.u.Packet_Resource_Request.Exist_MS_Radio_Access_capability2 = 1; |
| ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability2. |
| Count_MS_RA_capability_value = 1; |
| ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability2. |
| MS_RA_capability_value[0].u.Content. |
| Exist_Multislot_capability = 1; |
| ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability2. |
| MS_RA_capability_value[0].u.Content.Multislot_capability. |
| Exist_GPRS_multislot_class = 1; |
| ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability2. |
| MS_RA_capability_value[0].u.Content.Multislot_capability. |
| GPRS_multislot_class = ms_class; |
| if (egprs_ms_class) { |
| ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability2. |
| MS_RA_capability_value[0].u.Content. |
| Multislot_capability.Exist_EGPRS_multislot_class = 1; |
| ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability2. |
| MS_RA_capability_value[0].u.Content. |
| Multislot_capability.EGPRS_multislot_class = ms_class; |
| } |
| |
| send_ul_mac_block(bts, trx_no, ts_no, &ulreq, sba_fn); |
| |
| /* check the TBF */ |
| ul_tbf = bts_ul_tbf_by_tfi(bts, tfi, trx_no, ts_no); |
| OSMO_ASSERT(ul_tbf); |
| OSMO_ASSERT(ul_tbf->ta() == qta / 4); |
| |
| /* send packet uplink assignment */ |
| *fn = sba_fn; |
| request_dl_rlc_block(ul_tbf, fn); |
| |
| /* send real acknowledgement */ |
| send_control_ack(ul_tbf); |
| |
| check_tbf(ul_tbf); |
| /* send fake data */ |
| uint8_t data_msg[42] = { |
| 0xf << 2, /* GPRS_RLCMAC_DATA_BLOCK << 6, CV = 15 */ |
| (uint8_t)(tfi << 1), |
| 1, /* BSN:7, E:1 */ |
| }; |
| |
| pdch = &bts->trx[trx_no].pdch[ts_no]; |
| pdch->rcv_block(&data_msg[0], 23, *fn, &meas); |
| |
| ms = bts_ms_by_tlli(bts, tlli, GSM_RESERVED_TMSI); |
| OSMO_ASSERT(ms != NULL); |
| OSMO_ASSERT(ms_ta(ms) == qta/4); |
| OSMO_ASSERT(ms_ul_tbf(ms) == ul_tbf); |
| |
| /* |
| * TS 44.060, B.8.1 |
| * first seg received first, later second seg |
| */ |
| egprs3 = (struct gprs_rlc_ul_header_egprs_3 *) data_msg; |
| egprs3->si = 0; |
| egprs3->r = 1; |
| egprs3->cv = 7; |
| egprs3->tfi_hi = tfi & 0x03; |
| egprs3->tfi_lo = (tfi & 0x1c) >> 2; |
| egprs3->bsn1_hi = 1; |
| egprs3->bsn1_lo = 0; |
| egprs3->cps_hi = 1; |
| data_msg[3] = 0xff; |
| egprs3->pi = 0; |
| egprs3->cps_lo = 1; |
| egprs3->rsb = 0; |
| egprs3->spb = 0; |
| egprs3->pi = 0; |
| |
| pdch->rcv_block(data_msg, 42, *fn, &meas); |
| |
| osmo_fsm_inst_dispatch(ul_tbf->ul_ack_fsm.fi, TBF_UL_ACK_EV_SCHED_ACK, NULL); |
| struct msgb *msg1 = tbf_ul_ack_create_rlcmac_msg(ul_tbf, *fn, ts_no); |
| |
| static uint8_t exp1[] = { 0x40, 0x24, 0x01, 0x0b, 0x3e, 0x24, 0x46, 0x68, 0x9c, 0x70, 0x87, 0xb0, |
| 0x06, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b |
| }; |
| |
| if (!msgb_eq_data_print(msg1, exp1, GSM_MACBLOCK_LEN)) { |
| fprintf(stderr, "%s test failed on 1st segment!\n", __func__); |
| return NULL; |
| } |
| |
| egprs3->si = 0; |
| egprs3->r = 1; |
| egprs3->cv = 7; |
| egprs3->tfi_hi = tfi & 0x03; |
| egprs3->tfi_lo = (tfi & 0x1c) >> 2; |
| egprs3->bsn1_hi = 4; |
| egprs3->bsn1_lo = 0; |
| egprs3->cps_hi = 1; |
| data_msg[3] = 0xff; |
| egprs3->pi = 0; |
| egprs3->cps_lo = 1; |
| egprs3->rsb = 0; |
| egprs3->spb = 0; |
| |
| pdch->rcv_block(data_msg, 42, *fn, &meas); |
| |
| osmo_fsm_inst_dispatch(ul_tbf->ul_ack_fsm.fi, TBF_UL_ACK_EV_SCHED_ACK, NULL); |
| msg1 = tbf_ul_ack_create_rlcmac_msg(ul_tbf, *fn, ts_no); |
| |
| static uint8_t exp2[] = { 0x40, 0x24, 0x01, 0x0b, 0x3e, 0x24, 0x46, 0x68, 0x9c, 0x70, 0x88, 0xb0, |
| 0x06, 0x8b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b |
| }; |
| |
| if (!msgb_eq_data_print(msg1, exp2, GSM_MACBLOCK_LEN)) { |
| fprintf(stderr, "%s test failed on 2nd segment!\n", __func__); |
| return NULL; |
| } |
| return ul_tbf; |
| } |
| |
| static gprs_rlcmac_ul_tbf *establish_ul_tbf_two_phase_spb(struct gprs_rlcmac_bts *bts, |
| uint8_t ts_no, uint32_t tlli, uint32_t *fn, uint16_t qta, |
| uint8_t ms_class, uint8_t egprs_ms_class) |
| { |
| GprsMs *ms; |
| uint32_t rach_fn = *fn - 51; |
| uint32_t sba_fn = *fn + 52; |
| uint8_t trx_no = 0; |
| int tfi = 0, i = 0; |
| gprs_rlcmac_ul_tbf *ul_tbf; |
| struct gprs_rlcmac_pdch *pdch; |
| RlcMacUplink_t ulreq = {0}; |
| struct gprs_rlc_ul_header_egprs_3 *egprs3 = NULL; |
| |
| /* needed to set last_rts_fn in the PDCH object */ |
| request_dl_rlc_block(bts, trx_no, ts_no, fn); |
| |
| /* |
| * simulate RACH, this sends an Immediate |
| * Assignment Uplink on the AGCH |
| */ |
| bts_handle_rach(bts, 0x73, rach_fn, qta); |
| |
| /* get next free TFI */ |
| tfi = bts_tfi_find_free(bts, GPRS_RLCMAC_UL_TBF, &trx_no, -1); |
| |
| /* fake a resource request */ |
| ulreq.u.MESSAGE_TYPE = MT_PACKET_RESOURCE_REQUEST; |
| ulreq.u.Packet_Resource_Request.PayloadType = GPRS_RLCMAC_CONTROL_BLOCK; |
| ulreq.u.Packet_Resource_Request.ID.UnionType = 1; /* != 0 */ |
| ulreq.u.Packet_Resource_Request.ID.u.TLLI = tlli; |
| ulreq.u.Packet_Resource_Request.Exist_MS_Radio_Access_capability2 = 1; |
| ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability2. |
| Count_MS_RA_capability_value = 1; |
| ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability2. |
| MS_RA_capability_value[0].u.Content. |
| Exist_Multislot_capability = 1; |
| ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability2. |
| MS_RA_capability_value[0].u.Content.Multislot_capability. |
| Exist_GPRS_multislot_class = 1; |
| ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability2. |
| MS_RA_capability_value[0].u.Content.Multislot_capability. |
| GPRS_multislot_class = ms_class; |
| if (egprs_ms_class) { |
| ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability2. |
| MS_RA_capability_value[0].u.Content. |
| Multislot_capability.Exist_EGPRS_multislot_class = 1; |
| ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability2. |
| MS_RA_capability_value[0].u.Content. |
| Multislot_capability.EGPRS_multislot_class = ms_class; |
| } |
| |
| send_ul_mac_block(bts, trx_no, ts_no, &ulreq, sba_fn); |
| |
| /* check the TBF */ |
| ul_tbf = bts_ul_tbf_by_tfi(bts, tfi, trx_no, ts_no); |
| OSMO_ASSERT(ul_tbf != NULL); |
| OSMO_ASSERT(ul_tbf->ta() == qta / 4); |
| |
| /* send packet uplink assignment */ |
| *fn = sba_fn; |
| request_dl_rlc_block(ul_tbf, fn); |
| |
| /* send real acknowledgement */ |
| send_control_ack(ul_tbf); |
| |
| check_tbf(ul_tbf); |
| |
| /* send fake data */ |
| uint8_t data_msg[42] = { |
| 0x00 | 0xf << 2, /* GPRS_RLCMAC_DATA_BLOCK << 6, CV = 15 */ |
| uint8_t(0 | (tfi << 1)), |
| uint8_t(1), /* BSN:7, E:1 */ |
| }; |
| |
| pdch = &bts->trx[trx_no].pdch[ts_no]; |
| pdch->rcv_block(&data_msg[0], 23, *fn, &meas); |
| |
| ms = bts_ms_by_tlli(bts, tlli, GSM_RESERVED_TMSI); |
| OSMO_ASSERT(ms != NULL); |
| OSMO_ASSERT(ms_ta(ms) == qta/4); |
| OSMO_ASSERT(ms_ul_tbf(ms) == ul_tbf); |
| |
| /* |
| * TS 44.060, B.8.1 |
| * first seg received first, later second seg |
| */ |
| egprs3 = (struct gprs_rlc_ul_header_egprs_3 *) data_msg; |
| egprs3->si = 1; |
| egprs3->r = 1; |
| egprs3->cv = 7; |
| egprs3->tfi_hi = tfi & 0x03; |
| egprs3->tfi_lo = (tfi & 0x1c) >> 2; |
| egprs3->bsn1_hi = 1; |
| egprs3->bsn1_lo = 0; |
| egprs3->cps_hi = 1; |
| data_msg[3] = 0xff; |
| egprs3->pi = 0; |
| egprs3->cps_lo = 1; |
| egprs3->rsb = 0; |
| egprs3->spb = 2; |
| egprs3->pi = 0; |
| |
| pdch->rcv_block(data_msg, 42, *fn, &meas); |
| |
| struct gprs_rlc_data *block = ul_tbf->m_rlc.block(1); |
| |
| /* check the status of the block */ |
| OSMO_ASSERT(block->spb_status.block_status_ul == |
| EGPRS_RESEG_FIRST_SEG_RXD); |
| |
| egprs3->si = 1; |
| egprs3->r = 1; |
| egprs3->cv = 7; |
| egprs3->tfi_hi = tfi & 0x03; |
| egprs3->tfi_lo = (tfi & 0x1c) >> 2; |
| egprs3->bsn1_hi = 1; |
| egprs3->bsn1_lo = 0; |
| egprs3->cps_hi = 1; |
| data_msg[3] = 0xff; |
| egprs3->pi = 0; |
| egprs3->cps_lo = 1; |
| egprs3->rsb = 0; |
| egprs3->spb = 3; |
| |
| pdch->rcv_block(data_msg, 42, *fn, &meas); |
| |
| /* check the status of the block */ |
| OSMO_ASSERT(block->spb_status.block_status_ul == |
| EGPRS_RESEG_DEFAULT); |
| OSMO_ASSERT(block->cs_last == |
| MCS6); |
| /* Assembled MCS is MCS6. so the size is 74 */ |
| OSMO_ASSERT(block->len == 74); |
| |
| /* |
| * TS 44.060, B.8.1 |
| * second seg first, later first seg |
| */ |
| memset(data_msg, 0, sizeof(data_msg)); |
| |
| egprs3 = (struct gprs_rlc_ul_header_egprs_3 *) data_msg; |
| egprs3->si = 1; |
| egprs3->r = 1; |
| egprs3->cv = 7; |
| egprs3->tfi_hi = tfi & 0x03; |
| egprs3->tfi_lo = (tfi & 0x1c) >> 2; |
| egprs3->bsn1_hi = 2; |
| egprs3->bsn1_lo = 0; |
| egprs3->cps_hi = 1; |
| data_msg[3] = 0xff; |
| egprs3->pi = 0; |
| egprs3->cps_lo = 1; |
| egprs3->rsb = 0; |
| egprs3->spb = 3; |
| egprs3->pi = 0; |
| |
| pdch->rcv_block(data_msg, 42, *fn, &meas); |
| |
| block = ul_tbf->m_rlc.block(2); |
| /* check the status of the block */ |
| OSMO_ASSERT(block->spb_status.block_status_ul == |
| EGPRS_RESEG_SECOND_SEG_RXD); |
| |
| egprs3->si = 1; |
| egprs3->r = 1; |
| egprs3->cv = 7; |
| egprs3->tfi_hi = tfi & 0x03; |
| egprs3->tfi_lo = (tfi & 0x1c) >> 2; |
| egprs3->bsn1_hi = 2; |
| egprs3->bsn1_lo = 0; |
| egprs3->cps_hi = 1; |
| data_msg[3] = 0xff; |
| egprs3->pi = 0; |
| egprs3->cps_lo = 1; |
| egprs3->rsb = 0; |
| egprs3->spb = 2; |
| egprs3->pi = 0; |
| |
| pdch->rcv_block(data_msg, 42, *fn, &meas); |
| |
| /* check the status of the block */ |
| OSMO_ASSERT(block->spb_status.block_status_ul == |
| EGPRS_RESEG_DEFAULT); |
| OSMO_ASSERT(block->cs_last == |
| MCS6); |
| /* Assembled MCS is MCS6. so the size is 74 */ |
| OSMO_ASSERT(block->len == 74); |
| |
| /* |
| * TS 44.060, B.8.1 |
| * Error scenario with spb as 1 |
| */ |
| egprs3 = (struct gprs_rlc_ul_header_egprs_3 *) data_msg; |
| egprs3->si = 1; |
| egprs3->r = 1; |
| egprs3->cv = 7; |
| egprs3->tfi_hi = tfi & 0x03; |
| egprs3->tfi_lo = (tfi & 0x1c) >> 2; |
| egprs3->bsn1_hi = 3; |
| egprs3->bsn1_lo = 0; |
| egprs3->cps_hi = 1; |
| data_msg[3] = 0xff; |
| egprs3->pi = 0; |
| egprs3->cps_lo = 1; |
| egprs3->rsb = 0; |
| egprs3->spb = 1; |
| egprs3->pi = 0; |
| |
| pdch->rcv_block(data_msg, 42, *fn, &meas); |
| |
| block = ul_tbf->m_rlc.block(3); |
| /* check the status of the block */ |
| OSMO_ASSERT(block->spb_status.block_status_ul == |
| EGPRS_RESEG_DEFAULT); |
| /* |
| * TS 44.060, B.8.1 |
| * comparison of rlc_data for multiple scenarios |
| * Receive First, the second(BSN 3) |
| * Receive First, First then Second(BSN 4) |
| * Receive Second then First(BSN 5) |
| * after above 3 scenarios are triggered, |
| * rlc_data of all 3 BSN are compared |
| */ |
| |
| /* Initialize the data_msg */ |
| for (i = 0; i < 42; i++) |
| data_msg[i] = i; |
| |
| egprs3 = (struct gprs_rlc_ul_header_egprs_3 *) data_msg; |
| egprs3->si = 1; |
| egprs3->r = 1; |
| egprs3->cv = 7; |
| egprs3->tfi_hi = tfi & 0x03; |
| egprs3->tfi_lo = (tfi & 0x1c) >> 2; |
| egprs3->bsn1_hi = 3; |
| egprs3->bsn1_lo = 0; |
| egprs3->cps_hi = 1; |
| data_msg[3] = 0xff; |
| egprs3->pi = 0; |
| egprs3->cps_lo = 1; |
| egprs3->rsb = 0; |
| egprs3->spb = 2; |
| egprs3->pi = 0; |
| |
| pdch->rcv_block(data_msg, 42, *fn, &meas); |
| |
| block = ul_tbf->m_rlc.block(3); |
| /* check the status of the block */ |
| OSMO_ASSERT(block->spb_status.block_status_ul == |
| EGPRS_RESEG_FIRST_SEG_RXD); |
| |
| egprs3 = (struct gprs_rlc_ul_header_egprs_3 *) data_msg; |
| egprs3->si = 1; |
| egprs3->r = 1; |
| egprs3->cv = 7; |
| egprs3->tfi_hi = tfi & 0x03; |
| egprs3->tfi_lo = (tfi & 0x1c) >> 2; |
| egprs3->bsn1_hi = 3; |
| egprs3->bsn1_lo = 0; |
| egprs3->cps_hi = 1; |
| data_msg[3] = 0xff; |
| egprs3->pi = 0; |
| egprs3->cps_lo = 1; |
| egprs3->rsb = 0; |
| egprs3->spb = 3; |
| egprs3->pi = 0; |
| |
| pdch->rcv_block(data_msg, 42, *fn, &meas); |
| |
| block = ul_tbf->m_rlc.block(3); |
| /* check the status of the block */ |
| OSMO_ASSERT(block->spb_status.block_status_ul == |
| EGPRS_RESEG_DEFAULT); |
| /* Assembled MCS is MCS6. so the size is 74 */ |
| OSMO_ASSERT(block->len == 74); |
| OSMO_ASSERT(block->cs_last == |
| MCS6); |
| |
| egprs3 = (struct gprs_rlc_ul_header_egprs_3 *) data_msg; |
| egprs3->si = 1; |
| egprs3->r = 1; |
| egprs3->cv = 7; |
| egprs3->tfi_hi = tfi & 0x03; |
| egprs3->tfi_lo = (tfi & 0x1c) >> 2; |
| egprs3->bsn1_hi = 4; |
| egprs3->bsn1_lo = 0; |
| egprs3->cps_hi = 1; |
| data_msg[3] = 0xff; |
| egprs3->pi = 0; |
| egprs3->cps_lo = 1; |
| egprs3->rsb = 0; |
| egprs3->spb = 2; |
| egprs3->pi = 0; |
| |
| pdch->rcv_block(data_msg, 42, *fn, &meas); |
| |
| block = ul_tbf->m_rlc.block(4); |
| /* check the status of the block */ |
| OSMO_ASSERT(block->spb_status.block_status_ul == |
| EGPRS_RESEG_FIRST_SEG_RXD); |
| |
| egprs3 = (struct gprs_rlc_ul_header_egprs_3 *) data_msg; |
| egprs3->si = 1; |
| egprs3->r = 1; |
| egprs3->cv = 7; |
| egprs3->tfi_hi = tfi & 0x03; |
| egprs3->tfi_lo = (tfi & 0x1c) >> 2; |
| egprs3->bsn1_hi = 4; |
| egprs3->bsn1_lo = 0; |
| egprs3->cps_hi = 1; |
| data_msg[3] = 0xff; |
| egprs3->pi = 0; |
| egprs3->cps_lo = 1; |
| egprs3->rsb = 0; |
| egprs3->spb = 2; |
| egprs3->pi = 0; |
| |
| pdch->rcv_block(data_msg, 42, *fn, &meas); |
| |
| block = ul_tbf->m_rlc.block(4); |
| /* check the status of the block */ |
| OSMO_ASSERT(block->spb_status.block_status_ul == |
| EGPRS_RESEG_FIRST_SEG_RXD); |
| |
| egprs3 = (struct gprs_rlc_ul_header_egprs_3 *) data_msg; |
| egprs3->si = 1; |
| egprs3->r = 1; |
| egprs3->cv = 7; |
| egprs3->tfi_hi = tfi & 0x03; |
| egprs3->tfi_lo = (tfi & 0x1c) >> 2; |
| egprs3->bsn1_hi = 4; |
| egprs3->bsn1_lo = 0; |
| egprs3->cps_hi = 1; |
| data_msg[3] = 0xff; |
| egprs3->pi = 0; |
| egprs3->cps_lo = 1; |
| egprs3->rsb = 0; |
| egprs3->spb = 3; |
| egprs3->pi = 0; |
| |
| pdch->rcv_block(data_msg, 42, *fn, &meas); |
| |
| block = ul_tbf->m_rlc.block(4); |
| /* check the status of the block */ |
| OSMO_ASSERT(block->spb_status.block_status_ul == |
| EGPRS_RESEG_DEFAULT); |
| OSMO_ASSERT(block->cs_last == |
| MCS6); |
| /* Assembled MCS is MCS6. so the size is 74 */ |
| OSMO_ASSERT(block->len == 74); |
| |
| egprs3 = (struct gprs_rlc_ul_header_egprs_3 *) data_msg; |
| egprs3->si = 1; |
| egprs3->r = 1; |
| egprs3->cv = 7; |
| egprs3->tfi_hi = tfi & 0x03; |
| egprs3->tfi_lo = (tfi & 0x1c) >> 2; |
| egprs3->bsn1_hi = 5; |
| egprs3->bsn1_lo = 0; |
| egprs3->cps_hi = 1; |
| data_msg[3] = 0xff; |
| egprs3->pi = 0; |
| egprs3->cps_lo = 1; |
| egprs3->rsb = 0; |
| egprs3->spb = 3; |
| egprs3->pi = 0; |
| |
| pdch->rcv_block(data_msg, 42, *fn, &meas); |
| |
| block = ul_tbf->m_rlc.block(5); |
| /* check the status of the block */ |
| OSMO_ASSERT(block->spb_status.block_status_ul == |
| EGPRS_RESEG_SECOND_SEG_RXD); |
| |
| egprs3 = (struct gprs_rlc_ul_header_egprs_3 *) data_msg; |
| egprs3->si = 1; |
| egprs3->r = 1; |
| egprs3->cv = 7; |
| egprs3->tfi_hi = tfi & 0x03; |
| egprs3->tfi_lo = (tfi & 0x1c) >> 2; |
| egprs3->bsn1_hi = 5; |
| egprs3->bsn1_lo = 0; |
| egprs3->cps_hi = 1; |
| data_msg[3] = 0xff; |
| egprs3->pi = 0; |
| egprs3->cps_lo = 1; |
| egprs3->rsb = 0; |
| egprs3->spb = 2; |
| egprs3->pi = 0; |
| |
| pdch->rcv_block(data_msg, 42, *fn, &meas); |
| |
| block = ul_tbf->m_rlc.block(5); |
| |
| /* check the status of the block */ |
| OSMO_ASSERT(block->spb_status.block_status_ul == |
| EGPRS_RESEG_DEFAULT); |
| OSMO_ASSERT(block->cs_last == |
| MCS6); |
| /* Assembled MCS is MCS6. so the size is 74 */ |
| OSMO_ASSERT(block->len == 74); |
| |
| OSMO_ASSERT(ul_tbf->m_rlc.block(5)->len == |
| ul_tbf->m_rlc.block(4)->len); |
| OSMO_ASSERT(ul_tbf->m_rlc.block(5)->len == |
| ul_tbf->m_rlc.block(3)->len); |
| |
| /* Compare the spb status of each BSNs(3,4,5). should be same */ |
| OSMO_ASSERT( |
| ul_tbf->m_rlc.block(5)->spb_status.block_status_ul == |
| ul_tbf->m_rlc.block(4)->spb_status.block_status_ul); |
| OSMO_ASSERT( |
| ul_tbf->m_rlc.block(5)->spb_status.block_status_ul == |
| ul_tbf->m_rlc.block(3)->spb_status.block_status_ul); |
| |
| /* Compare the Assembled MCS of each BSNs(3,4,5). should be same */ |
| OSMO_ASSERT(ul_tbf->m_rlc.block(5)->cs_last == |
| ul_tbf->m_rlc.block(4)->cs_last); |
| OSMO_ASSERT(ul_tbf->m_rlc.block(5)->cs_last == |
| ul_tbf->m_rlc.block(3)->cs_last); |
| |
| /* Compare the data of each BSNs(3,4,5). should be same */ |
| OSMO_ASSERT( |
| !memcmp(ul_tbf->m_rlc.block(5)->block, |
| ul_tbf->m_rlc.block(4)->block, ul_tbf->m_rlc.block(5)->len |
| )); |
| OSMO_ASSERT( |
| !memcmp(ul_tbf->m_rlc.block(5)->block, |
| ul_tbf->m_rlc.block(3)->block, ul_tbf->m_rlc.block(5)->len |
| )); |
| |
| return ul_tbf; |
| } |
| |
| static gprs_rlcmac_ul_tbf *establish_ul_tbf(struct gprs_rlcmac_bts *bts, |
| uint8_t ts_no, uint32_t tlli, uint32_t *fn, uint16_t qta, |
| uint8_t ms_class, uint8_t egprs_ms_class) |
| { |
| uint32_t rach_fn = *fn - 51; |
| uint32_t sba_fn = *fn + 52; |
| uint8_t trx_no = 0; |
| int tfi = 0; |
| gprs_rlcmac_ul_tbf *ul_tbf; |
| RlcMacUplink_t ulreq = {0}; |
| |
| /* needed to set last_rts_fn in the PDCH object */ |
| request_dl_rlc_block(bts, trx_no, ts_no, fn); |
| |
| /* |
| * simulate RACH, this sends an Immediate |
| * Assignment Uplink on the AGCH |
| */ |
| bts_handle_rach(bts, 0x73, rach_fn, qta); |
| |
| /* get next free TFI */ |
| tfi = bts_tfi_find_free(bts, GPRS_RLCMAC_UL_TBF, &trx_no, -1); |
| |
| /* fake a resource request */ |
| ulreq.u.MESSAGE_TYPE = MT_PACKET_RESOURCE_REQUEST; |
| ulreq.u.Packet_Resource_Request.PayloadType = GPRS_RLCMAC_CONTROL_BLOCK; |
| ulreq.u.Packet_Resource_Request.ID.UnionType = 1; /* != 0 */ |
| ulreq.u.Packet_Resource_Request.ID.u.TLLI = tlli; |
| ulreq.u.Packet_Resource_Request.Exist_MS_Radio_Access_capability2 = 1; |
| ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability2. |
| Count_MS_RA_capability_value = 1; |
| ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability2. |
| MS_RA_capability_value[0].u.Content. |
| Exist_Multislot_capability = 1; |
| ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability2. |
| MS_RA_capability_value[0].u.Content.Multislot_capability. |
| Exist_GPRS_multislot_class = 1; |
| ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability2. |
| MS_RA_capability_value[0].u.Content.Multislot_capability. |
| GPRS_multislot_class = ms_class; |
| if (egprs_ms_class) { |
| ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability2. |
| MS_RA_capability_value[0].u.Content. |
| Multislot_capability.Exist_EGPRS_multislot_class = 1; |
| ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability2. |
| MS_RA_capability_value[0].u.Content. |
| Multislot_capability.EGPRS_multislot_class = ms_class; |
| } |
| send_ul_mac_block(bts, trx_no, ts_no, &ulreq, sba_fn); |
| |
| /* check the TBF */ |
| ul_tbf = bts_ul_tbf_by_tfi(bts, tfi, trx_no, ts_no); |
| /* send packet uplink assignment */ |
| *fn = sba_fn; |
| request_dl_rlc_block(ul_tbf, fn); |
| |
| /* send real acknowledgement */ |
| send_control_ack(ul_tbf); |
| |
| check_tbf(ul_tbf); |
| |
| return ul_tbf; |
| } |
| |
| static gprs_rlcmac_ul_tbf *establish_ul_tbf_two_phase_puan_URBB_no_length(struct gprs_rlcmac_bts *bts, |
| uint8_t ts_no, uint32_t tlli, uint32_t *fn, uint16_t qta, |
| uint8_t ms_class, uint8_t egprs_ms_class, gprs_rlcmac_ul_tbf *ul_tbf) |
| { |
| OSMO_ASSERT(ul_tbf); |
| OSMO_ASSERT(ul_tbf->ta() == qta / 4); |
| GprsMs *ms; |
| uint8_t trx_no = 0; |
| int tfi = 0; |
| struct gprs_rlcmac_pdch *pdch; |
| |
| /* send fake data with cv=0*/ |
| struct gprs_rlc_ul_header_egprs_3 *hdr3 = NULL; |
| uint8_t data[49] = {0}; |
| |
| hdr3 = (struct gprs_rlc_ul_header_egprs_3 *)data; |
| |
| /*header_construction */ |
| memset(data, 0x2b, sizeof(data)); |
| /* Message with CRBB */ |
| for (int i = 0 ; i < 80; i++) { |
| hdr3->r = 0; |
| hdr3->si = 0; |
| hdr3->cv = 10; |
| hdr3->tfi_hi = (tfi >> 3) & 0x3; |
| hdr3->tfi_lo = tfi & 0x7; |
| hdr3->bsn1_hi = ((i * 2)&0x1f); |
| hdr3->bsn1_lo = ((i * 2)/32); |
| hdr3->cps_hi = 0; |
| hdr3->cps_lo = 0; |
| hdr3->spb = 0; |
| hdr3->rsb = 0; |
| hdr3->pi = 0; |
| hdr3->spare = 0; |
| hdr3->dummy = 1; |
| data[4] = 0x0; |
| data[5] = 0x0; |
| data[6] = 0x2b; |
| data[7] = 0x2b; |
| pdch = &bts->trx[trx_no].pdch[ts_no]; |
| pdch->rcv_block(&data[0], sizeof(data), *fn, &meas); |
| } |
| osmo_fsm_inst_dispatch(ul_tbf->ul_ack_fsm.fi, TBF_UL_ACK_EV_SCHED_ACK, NULL); |
| tbf_ul_ack_create_rlcmac_msg(ul_tbf, *fn, ts_no); |
| memset(data, 0x2b, sizeof(data)); |
| hdr3 = (struct gprs_rlc_ul_header_egprs_3 *)data; |
| hdr3->r = 0; |
| hdr3->si = 0; |
| hdr3->cv = 0; |
| hdr3->tfi_hi = (tfi >> 3) & 0x3; |
| hdr3->tfi_lo = tfi & 0x7; |
| hdr3->bsn1_hi = 0; |
| hdr3->bsn1_lo = 2; |
| hdr3->cps_hi = 0; |
| hdr3->cps_lo = 0; |
| hdr3->spb = 0; |
| hdr3->rsb = 0; |
| hdr3->pi = 0; |
| hdr3->spare = 0; |
| hdr3->dummy = 1; |
| data[4] = 0x0; |
| data[5] = 0x2b; |
| data[6] = 0x2b; |
| data[7] = 0x2b; |
| |
| pdch = &bts->trx[trx_no].pdch[ts_no]; |
| pdch->rcv_block(&data[0], sizeof(data), *fn, &meas); |
| |
| request_dl_rlc_block(ul_tbf, fn); |
| |
| check_tbf(ul_tbf); |
| OSMO_ASSERT(tbf_ul_ack_fi(ul_tbf)->state == TBF_UL_ACK_ST_NONE); |
| |
| ms = bts_ms_by_tlli(bts, tlli, GSM_RESERVED_TMSI); |
| OSMO_ASSERT(ms != NULL); |
| OSMO_ASSERT(ms_ta(ms) == qta/4); |
| OSMO_ASSERT(ms_ul_tbf(ms) == ul_tbf); |
| |
| return ul_tbf; |
| } |
| |
| static gprs_rlcmac_ul_tbf *establish_ul_tbf_two_phase_puan_URBB_with_length(struct gprs_rlcmac_bts *bts, |
| uint8_t ts_no, uint32_t tlli, uint32_t *fn, uint16_t qta, |
| uint8_t ms_class, uint8_t egprs_ms_class, gprs_rlcmac_ul_tbf *ul_tbf) |
| { |
| OSMO_ASSERT(ul_tbf); |
| OSMO_ASSERT(ul_tbf->ta() == qta / 4); |
| GprsMs *ms; |
| uint8_t trx_no = 0; |
| int tfi = 0; |
| struct gprs_rlcmac_pdch *pdch; |
| |
| check_tbf(ul_tbf); |
| /* send fake data with cv=0*/ |
| struct gprs_rlc_ul_header_egprs_3 *hdr3 = NULL; |
| uint8_t data[49] = {0}; |
| |
| hdr3 = (struct gprs_rlc_ul_header_egprs_3 *)data; |
| |
| /*header_construction */ |
| memset(data, 0x2b, sizeof(data)); |
| |
| /* Message with URBB & URBB length */ |
| for (int i = 0 ; i < 20; i++) { |
| hdr3->r = 0; |
| hdr3->si = 0; |
| hdr3->cv = 10; |
| hdr3->tfi_hi = (tfi >> 3) & 0x3; |
| hdr3->tfi_lo = tfi & 0x7; |
| hdr3->bsn1_hi = ((i * 2)&0x1f); |
| hdr3->bsn1_lo = ((i * 2)/32); |
| hdr3->cps_hi = 0; |
| hdr3->cps_lo = 0; |
| hdr3->spb = 0; |
| hdr3->rsb = 0; |
| hdr3->pi = 0; |
| hdr3->spare = 0; |
| hdr3->dummy = 1; |
| data[4] = 0x0; |
| data[5] = 0x0; |
| data[6] = 0x2b; |
| data[7] = 0x2b; |
| pdch = &bts->trx[trx_no].pdch[ts_no]; |
| pdch->rcv_block(&data[0], sizeof(data), *fn, &meas); |
| } |
| osmo_fsm_inst_dispatch(ul_tbf->ul_ack_fsm.fi, TBF_UL_ACK_EV_SCHED_ACK, NULL); |
| tbf_ul_ack_create_rlcmac_msg(ul_tbf, *fn, ts_no); |
| memset(data, 0x2b, sizeof(data)); |
| hdr3 = (struct gprs_rlc_ul_header_egprs_3 *)data; |
| hdr3->r = 0; |
| hdr3->si = 0; |
| hdr3->cv = 0; |
| hdr3->tfi_hi = (tfi >> 3) & 0x3; |
| hdr3->tfi_lo = tfi & 0x7; |
| hdr3->bsn1_hi = 0; |
| hdr3->bsn1_lo = 2; |
| hdr3->cps_hi = 0; |
| hdr3->cps_lo = 0; |
| hdr3->spb = 0; |
| hdr3->rsb = 0; |
| hdr3->pi = 0; |
| hdr3->spare = 0; |
| hdr3->dummy = 1; |
| data[4] = 0x0; |
| data[5] = 0x2b; |
| data[6] = 0x2b; |
| data[7] = 0x2b; |
| |
| pdch = &bts->trx[trx_no].pdch[ts_no]; |
| pdch->rcv_block(&data[0], sizeof(data), *fn, &meas); |
| osmo_fsm_inst_dispatch(ul_tbf->ul_ack_fsm.fi, TBF_UL_ACK_EV_SCHED_ACK, NULL); |
| tbf_ul_ack_create_rlcmac_msg(ul_tbf, *fn, ts_no); |
| |
| request_dl_rlc_block(ul_tbf, fn); |
| |
| check_tbf(ul_tbf); |
| OSMO_ASSERT(tbf_ul_ack_fi(ul_tbf)->state == TBF_UL_ACK_ST_NONE); |
| |
| ms = bts_ms_by_tlli(bts, tlli, GSM_RESERVED_TMSI); |
| OSMO_ASSERT(ms != NULL); |
| OSMO_ASSERT(ms_ta(ms) == qta/4); |
| OSMO_ASSERT(ms_ul_tbf(ms) == ul_tbf); |
| |
| return ul_tbf; |
| } |
| |
| static gprs_rlcmac_ul_tbf *establish_ul_tbf_two_phase_puan_CRBB(struct gprs_rlcmac_bts *bts, |
| uint8_t ts_no, uint32_t tlli, uint32_t *fn, uint16_t qta, |
| uint8_t ms_class, uint8_t egprs_ms_class) |
| { |
| GprsMs *ms; |
| uint8_t trx_no = 0; |
| int tfi = 0; |
| gprs_rlcmac_ul_tbf *ul_tbf; |
| struct gprs_rlcmac_pdch *pdch; |
| |
| /* check the TBF */ |
| ul_tbf = bts_ul_tbf_by_tfi(bts, tfi, trx_no, ts_no); |
| OSMO_ASSERT(ul_tbf); |
| OSMO_ASSERT(ul_tbf->ta() == qta / 4); |
| |
| /* send fake data with cv=0*/ |
| struct gprs_rlc_ul_header_egprs_3 *hdr3 = NULL; |
| uint8_t data[49] = {0}; |
| |
| hdr3 = (struct gprs_rlc_ul_header_egprs_3 *)data; |
| |
| /*header_construction */ |
| memset(data, 0x2b, sizeof(data)); |
| |
| /* Message with CRBB */ |
| for (int i = 80 ; i < 160; i++) { |
| hdr3->r = 0; |
| hdr3->si = 0; |
| hdr3->cv = 10; |
| hdr3->tfi_hi = (tfi >> 3) & 0x3; |
| hdr3->tfi_lo = tfi & 0x7; |
| hdr3->bsn1_hi = ((i)&0x1f); |
| hdr3->bsn1_lo = ((i)/32); |
| hdr3->cps_hi = 0; |
| hdr3->cps_lo = 0; |
| hdr3->spb = 0; |
| hdr3->rsb = 0; |
| hdr3->pi = 0; |
| hdr3->spare = 0; |
| hdr3->dummy = 1; |
| data[4] = 0x0; |
| data[5] = 0x0; |
| data[6] = 0x2b; |
| data[7] = 0x2b; |
| pdch = &bts->trx[trx_no].pdch[ts_no]; |
| pdch->rcv_block(&data[0], sizeof(data), *fn, &meas); |
| } |
| osmo_fsm_inst_dispatch(ul_tbf->ul_ack_fsm.fi, TBF_UL_ACK_EV_SCHED_ACK, NULL); |
| tbf_ul_ack_create_rlcmac_msg(ul_tbf, *fn, ts_no); |
| memset(data, 0x2b, sizeof(data)); |
| hdr3 = (struct gprs_rlc_ul_header_egprs_3 *)data; |
| hdr3->r = 0; |
| hdr3->si = 0; |
| hdr3->cv = 0; |
| hdr3->tfi_hi = (tfi >> 3) & 0x3; |
| hdr3->tfi_lo = tfi & 0x7; |
| hdr3->bsn1_hi = 0; |
| hdr3->bsn1_lo = 2; |
| hdr3->cps_hi = 0; |
| hdr3->cps_lo = 0; |
| hdr3->spb = 0; |
| hdr3->rsb = 0; |
| hdr3->pi = 0; |
| hdr3->spare = 0; |
| hdr3->dummy = 1; |
| data[4] = 0x0; |
| data[5] = 0x2b; |
| data[6] = 0x2b; |
| data[7] = 0x2b; |
| |
| pdch = &bts->trx[trx_no].pdch[ts_no]; |
| pdch->rcv_block(&data[0], sizeof(data), *fn, &meas); |
| |
| request_dl_rlc_block(ul_tbf, fn); |
| |
| check_tbf(ul_tbf); |
| OSMO_ASSERT(tbf_ul_ack_fi(ul_tbf)->state == TBF_UL_ACK_ST_NONE); |
| |
| ms = bts_ms_by_tlli(bts, tlli, GSM_RESERVED_TMSI); |
| OSMO_ASSERT(ms != NULL); |
| OSMO_ASSERT(ms_ta(ms) == qta/4); |
| OSMO_ASSERT(ms_ul_tbf(ms) == ul_tbf); |
| |
| return ul_tbf; |
| } |
| static gprs_rlcmac_ul_tbf *establish_ul_tbf_two_phase(struct gprs_rlcmac_bts *bts, |
| uint8_t ts_no, uint32_t tlli, uint32_t *fn, uint16_t qta, |
| uint8_t ms_class, uint8_t egprs_ms_class) |
| { |
| GprsMs *ms; |
| uint32_t rach_fn = *fn - 51; |
| uint32_t sba_fn = *fn + 52; |
| uint8_t trx_no = 0; |
| int tfi = 0; |
| gprs_rlcmac_ul_tbf *ul_tbf; |
| struct gprs_rlcmac_pdch *pdch; |
| RlcMacUplink_t ulreq = {0}; |
| |
| /* needed to set last_rts_fn in the PDCH object */ |
| request_dl_rlc_block(bts, trx_no, ts_no, fn); |
| |
| /* simulate RACH, sends an Immediate Assignment Uplink on the AGCH */ |
| bts_handle_rach(bts, 0x73, rach_fn, qta); |
| |
| /* get next free TFI */ |
| tfi = bts_tfi_find_free(bts, GPRS_RLCMAC_UL_TBF, &trx_no, -1); |
| |
| /* fake a resource request */ |
| ulreq.u.MESSAGE_TYPE = MT_PACKET_RESOURCE_REQUEST; |
| ulreq.u.Packet_Resource_Request.PayloadType = GPRS_RLCMAC_CONTROL_BLOCK; |
| ulreq.u.Packet_Resource_Request.ID.UnionType = 1; /* != 0 */ |
| ulreq.u.Packet_Resource_Request.ID.u.TLLI = tlli; |
| ulreq.u.Packet_Resource_Request.Exist_MS_Radio_Access_capability2 = 1; |
| ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability2. |
| Count_MS_RA_capability_value = 1; |
| ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability2. |
| MS_RA_capability_value[0].u.Content.Exist_Multislot_capability = 1; |
| ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability2. |
| MS_RA_capability_value[0].u.Content.Multislot_capability. |
| Exist_GPRS_multislot_class = 1; |
| ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability2. |
| MS_RA_capability_value[0].u.Content.Multislot_capability. |
| GPRS_multislot_class = ms_class; |
| if (egprs_ms_class) { |
| ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability2. |
| MS_RA_capability_value[0].u.Content.Multislot_capability. |
| Exist_EGPRS_multislot_class = 1; |
| ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability2. |
| MS_RA_capability_value[0].u.Content.Multislot_capability. |
| EGPRS_multislot_class = ms_class; |
| } |
| |
| send_ul_mac_block(bts, trx_no, ts_no, &ulreq, sba_fn); |
| |
| /* check the TBF */ |
| ul_tbf = bts_ul_tbf_by_tfi(bts, tfi, trx_no, ts_no); |
| OSMO_ASSERT(ul_tbf != NULL); |
| OSMO_ASSERT(ul_tbf->ta() == qta / 4); |
| |
| /* send packet uplink assignment */ |
| *fn = sba_fn; |
| request_dl_rlc_block(ul_tbf, fn); |
| |
| /* send real acknowledgement */ |
| send_control_ack(ul_tbf); |
| |
| check_tbf(ul_tbf); |
| |
| /* send fake data */ |
| uint8_t data_msg[23] = { |
| 0x00 | 0xf << 2, /* GPRS_RLCMAC_DATA_BLOCK << 6, CV = 15 */ |
| uint8_t(0 | (tfi << 1)), |
| uint8_t(1), /* BSN:7, E:1 */ |
| }; |
| |
| pdch = &bts->trx[trx_no].pdch[ts_no]; |
| pdch->rcv_block(&data_msg[0], sizeof(data_msg), *fn, &meas); |
| |
| ms = bts_ms_by_tlli(bts, tlli, GSM_RESERVED_TMSI); |
| OSMO_ASSERT(ms != NULL); |
| OSMO_ASSERT(ms_ta(ms) == qta/4); |
| OSMO_ASSERT(ms_ul_tbf(ms) == ul_tbf); |
| |
| return ul_tbf; |
| } |
| |
| static void send_dl_data(struct gprs_rlcmac_bts *bts, uint32_t tlli, const char *imsi, |
| const uint8_t *data, unsigned data_size) |
| { |
| GprsMs *ms, *ms2; |
| |
| ms = bts_ms_store(bts)->get_ms(tlli, 0, imsi); |
| |
| dl_tbf_handle(bts, tlli, 0, imsi, 0, 0, |
| 1000, data, data_size); |
| |
| ms = bts_ms_by_imsi(bts, imsi); |
| OSMO_ASSERT(ms != NULL); |
| OSMO_ASSERT(ms_dl_tbf(ms) != NULL); |
| |
| if (imsi[0] != '\0') { |
| ms2 = bts_ms_by_tlli(bts, tlli, GSM_RESERVED_TMSI); |
| OSMO_ASSERT(ms == ms2); |
| } |
| } |
| |
| static void transmit_dl_data(struct gprs_rlcmac_bts *bts, uint32_t tlli, uint32_t *fn, |
| uint8_t slots = 0xff) |
| { |
| gprs_rlcmac_dl_tbf *dl_tbf; |
| GprsMs *ms; |
| unsigned ts_no; |
| |
| ms = bts_ms_by_tlli(bts, tlli, GSM_RESERVED_TMSI); |
| OSMO_ASSERT(ms); |
| dl_tbf = ms_dl_tbf(ms); |
| OSMO_ASSERT(dl_tbf); |
| |
| while (dl_tbf->have_data()) { |
| uint8_t bn = fn2bn(*fn); |
| for (ts_no = 0 ; ts_no < 8; ts_no += 1) { |
| if (!(slots & (1 << ts_no))) |
| continue; |
| gprs_rlcmac_rcv_rts_block(bts, |
| dl_tbf->trx->trx_no, ts_no, |
| *fn, bn); |
| } |
| *fn = fn_add_blocks(*fn, 1); |
| } |
| } |
| |
| static inline void print_ta_tlli(const gprs_rlcmac_ul_tbf *ul_tbf, bool print_ms) |
| { |
| fprintf(stderr, "Got '%s', TA=%d\n", ul_tbf->name(), ul_tbf->ta()); |
| if (print_ms) |
| fprintf(stderr, "Got MS: TLLI = 0x%08x, TA = %d\n", ms_tlli(ul_tbf->ms()), ms_ta(ul_tbf->ms())); |
| } |
| |
| static void test_tbf_single_phase() |
| { |
| the_pcu = prepare_pcu(); |
| struct gprs_rlcmac_bts *bts = bts_alloc(the_pcu, 0); |
| int ts_no = 7; |
| uint32_t fn = DUMMY_FN; /* 17,25,9 */ |
| uint32_t tlli = 0xf1223344; |
| const char *imsi = "0011223344"; |
| uint16_t qta = 31; |
| gprs_rlcmac_ul_tbf *ul_tbf; |
| |
| fprintf(stderr, "=== start %s ===\n", __func__); |
| |
| setup_bts(bts, ts_no); |
| |
| ul_tbf = establish_ul_tbf_single_phase(bts, ts_no, tlli, &fn, qta); |
| |
| print_ta_tlli(ul_tbf, true); |
| send_dl_data(bts, tlli, imsi, (const uint8_t *)"TEST", 4); |
| |
| fprintf(stderr, "=== end %s ===\n", __func__); |
| TALLOC_FREE(the_pcu); |
| } |
| |
| static void test_tbf_egprs_two_phase_puan(void) |
| { |
| the_pcu = prepare_pcu(); |
| struct gprs_rlcmac_bts *bts = bts_alloc(the_pcu, 0); |
| int ts_no = 7; |
| uint32_t fn = 2654218; |
| uint16_t qta = 31; |
| uint32_t tlli = 0xf1223344; |
| const char *imsi = "0011223344"; |
| uint8_t ms_class = 1; |
| uint8_t egprs_ms_class = 1; |
| gprs_rlcmac_ul_tbf *ul_tbf; |
| uint8_t test_data[256]; |
| |
| fprintf(stderr, "=== start %s ===\n", __func__); |
| |
| memset(test_data, 1, sizeof(test_data)); |
| |
| setup_bts(bts, ts_no, 4); |
| bts->initial_mcs_dl = 9; |
| the_pcu->vty.ws_base = 128; |
| the_pcu->vty.ws_pdch = 64; |
| |
| ul_tbf = establish_ul_tbf(bts, ts_no, tlli, &fn, qta, ms_class, egprs_ms_class); |
| /* Function to generate URBB with no length */ |
| ul_tbf = establish_ul_tbf_two_phase_puan_URBB_no_length(bts, ts_no, tlli, &fn, |
| qta, ms_class, egprs_ms_class, ul_tbf); |
| |
| print_ta_tlli(ul_tbf, true); |
| send_dl_data(bts, tlli, imsi, test_data, sizeof(test_data)); |
| |
| static_cast<gprs_rlc_ul_window *>(ul_tbf->window())->reset_state(); |
| /* Function to generate URBB with length */ |
| ul_tbf = establish_ul_tbf_two_phase_puan_URBB_with_length(bts, ts_no, tlli, &fn, |
| qta, ms_class, egprs_ms_class, ul_tbf); |
| |
| print_ta_tlli(ul_tbf, true); |
| send_dl_data(bts, tlli, imsi, test_data, sizeof(test_data)); |
| |
| static_cast<gprs_rlc_ul_window *>(ul_tbf->window())->reset_state(); |
| /* Function to generate CRBB */ |
| the_pcu->vty.ws_base = 128; |
| the_pcu->vty.ws_pdch = 64; |
| ul_tbf = establish_ul_tbf_two_phase_puan_CRBB(bts, ts_no, tlli, &fn, |
| qta, ms_class, egprs_ms_class); |
| |
| print_ta_tlli(ul_tbf, true); |
| send_dl_data(bts, tlli, imsi, test_data, sizeof(test_data)); |
| |
| TALLOC_FREE(the_pcu); |
| fprintf(stderr, "=== end %s ===\n", __func__); |
| } |
| /* |
| * Trigger rach for single block |
| */ |
| static void test_immediate_assign_rej_single_block() |
| { |
| the_pcu = prepare_pcu(); |
| struct gprs_rlcmac_bts *bts = bts_alloc(the_pcu, 0); |
| uint32_t fn = 2654218; |
| uint16_t qta = 31; |
| int ts_no = 7; |
| |
| fprintf(stderr, "=== start %s ===\n", __func__); |
| |
| setup_bts(bts, ts_no, 4); |
| |
| bts->trx[0].pdch[ts_no].disable(); |
| |
| uint32_t rach_fn = fn - 51; |
| |
| int rc = 0; |
| |
| /* |
| * simulate RACH, sends an Immediate Assignment |
| * Uplink reject on the AGCH |
| */ |
| rc = bts_handle_rach(bts, 0x70, rach_fn, qta); |
| |
| OSMO_ASSERT(rc == -EBUSY); |
| |
| TALLOC_FREE(the_pcu); |
| fprintf(stderr, "=== end %s ===\n", __func__); |
| } |
| |
| /* |
| * Trigger rach till resources(USF) exhaust |
| */ |
| static void test_immediate_assign_rej_multi_block() |
| { |
| the_pcu = prepare_pcu(); |
| struct gprs_rlcmac_bts *bts = bts_alloc(the_pcu, 0); |
| uint32_t fn = 2654218; |
| uint16_t qta = 31; |
| int ts_no = 7; |
| |
| fprintf(stderr, "=== start %s ===\n", __func__); |
| |
| setup_bts(bts, ts_no, 4); |
| |
| uint32_t rach_fn = fn - 51; |
| |
| int rc = 0; |
| |
| /* |
| * simulate RACH, sends an Immediate Assignment Uplink |
| * reject on the AGCH |
| */ |
| rc = bts_handle_rach(bts, 0x78, rach_fn, qta); |
| rc = bts_handle_rach(bts, 0x79, rach_fn, qta); |
| rc = bts_handle_rach(bts, 0x7a, rach_fn, qta); |
| rc = bts_handle_rach(bts, 0x7b, rach_fn, qta); |
| rc = bts_handle_rach(bts, 0x7c, rach_fn, qta); |
| rc = bts_handle_rach(bts, 0x7d, rach_fn, qta); |
| rc = bts_handle_rach(bts, 0x7e, rach_fn, qta); |
| rc = bts_handle_rach(bts, 0x7f, rach_fn, qta); |
| |
| OSMO_ASSERT(rc == -EBUSY); |
| |
| TALLOC_FREE(the_pcu); |
| fprintf(stderr, "=== end %s ===\n", __func__); |
| } |
| |
| static void test_immediate_assign_rej() |
| { |
| test_immediate_assign_rej_multi_block(); |
| test_immediate_assign_rej_single_block(); |
| } |
| |
| static void test_tbf_two_phase() |
| { |
| the_pcu = prepare_pcu(); |
| struct gprs_rlcmac_bts *bts = bts_alloc(the_pcu, 0); |
| int ts_no = 7; |
| uint32_t fn = 2654218; |
| uint16_t qta = 31; |
| uint32_t tlli = 0xf1223344; |
| const char *imsi = "0011223344"; |
| uint8_t ms_class = 1; |
| gprs_rlcmac_ul_tbf *ul_tbf; |
| |
| fprintf(stderr, "=== start %s ===\n", __func__); |
| |
| setup_bts(bts, ts_no, 4); |
| |
| ul_tbf = establish_ul_tbf_two_phase(bts, ts_no, tlli, &fn, qta, |
| ms_class, 0); |
| |
| print_ta_tlli(ul_tbf, true); |
| send_dl_data(bts, tlli, imsi, (const uint8_t *)"TEST", 4); |
| |
| TALLOC_FREE(the_pcu); |
| fprintf(stderr, "=== end %s ===\n", __func__); |
| } |
| |
| static inline void print_ms(GprsMs *ms, bool old) |
| { |
| fprintf(stderr, "%s MS: TLLI = 0x%08x, TA = %d, IMSI = %s, LLC = %zu\n", |
| old ? "Old" : "New", ms_tlli(ms), ms_ta(ms), ms_imsi(ms), llc_queue_size(ms_llc_queue(ms))); |
| } |
| |
| static void test_tbf_ra_update_rach() |
| { |
| the_pcu = prepare_pcu(); |
| struct gprs_rlcmac_bts *bts = bts_alloc(the_pcu, 0); |
| int ts_no = 7; |
| uint32_t fn = 2654218; |
| uint16_t qta = 31; |
| uint32_t tlli1 = 0xf1223344; |
| uint32_t tlli2 = 0xf5667788; |
| const char *imsi = "0011223344"; |
| uint8_t ms_class = 1; |
| gprs_rlcmac_ul_tbf *ul_tbf; |
| gprs_rlcmac_dl_tbf *dl_tbf; |
| GprsMs *ms, *ms1, *ms2; |
| |
| fprintf(stderr, "=== start %s ===\n", __func__); |
| |
| setup_bts(bts, ts_no, 4); |
| |
| ul_tbf = establish_ul_tbf_two_phase(bts, ts_no, tlli1, &fn, qta, |
| ms_class, 0); |
| |
| ms1 = ul_tbf->ms(); |
| print_ta_tlli(ul_tbf, false); |
| |
| send_dl_data(bts, tlli1, imsi, (const uint8_t *)"RAU_ACCEPT", 10); |
| print_ms(ms1, true); |
| |
| /* Send Packet Downlink Assignment to MS */ |
| request_dl_rlc_block(ul_tbf, &fn); |
| |
| /* Ack it */ |
| send_control_ack(ul_tbf); |
| |
| /* Make sure the RAU Accept gets sent to the MS */ |
| OSMO_ASSERT(llc_queue_size(ms_llc_queue(ms1)) == 1); |
| transmit_dl_data(bts, tlli1, &fn); |
| OSMO_ASSERT(llc_queue_size(ms_llc_queue(ms1)) == 0); |
| |
| dl_tbf = ms_dl_tbf(ms1); |
| OSMO_ASSERT(dl_tbf); |
| fn = get_poll_fn(dl_tbf, dl_tbf->control_ts); |
| send_empty_block(dl_tbf, dl_tbf->control_ts, fn); |
| fn = fn_add_blocks(fn, 1); |
| |
| /* Now establish a new TBF for the RA UPDATE COMPLETE (new TLLI) */ |
| ul_tbf = establish_ul_tbf_two_phase(bts, ts_no, tlli2, &fn, qta, |
| ms_class, 0); |
| |
| ms2 = ul_tbf->ms(); |
| |
| /* The PCU cannot know yet, that both TBF belong to the same MS */ |
| OSMO_ASSERT(ms1 != ms2); |
| print_ms(ms1, true); |
| |
| /* Send some downlink data along with the new TLLI and the IMSI so that |
| * the PCU can see, that both MS objects belong to same MS */ |
| send_dl_data(bts, tlli2, imsi, (const uint8_t *)"DATA", 4); |
| |
| ms = bts_ms_by_imsi(bts, imsi); |
| OSMO_ASSERT(ms == ms2); |
| |
| print_ms(ms2, false); |
| |
| ms = bts_ms_by_tlli(bts, tlli1, GSM_RESERVED_TMSI); |
| OSMO_ASSERT(ms == NULL); |
| ms = bts_ms_by_tlli(bts, tlli2, GSM_RESERVED_TMSI); |
| OSMO_ASSERT(ms == ms2); |
| |
| TALLOC_FREE(the_pcu); |
| fprintf(stderr, "=== end %s ===\n", __func__); |
| } |
| |
| static void test_tbf_dl_flow_and_rach_two_phase() |
| { |
| the_pcu = prepare_pcu(); |
| struct gprs_rlcmac_bts *bts = bts_alloc(the_pcu, 0); |
| int ts_no = 7; |
| uint32_t fn = 2654218; |
| uint16_t qta = 31; |
| uint32_t tlli1 = 0xf1223344; |
| const char *imsi = "0011223344"; |
| uint8_t ms_class = 1; |
| gprs_rlcmac_ul_tbf *ul_tbf; |
| gprs_rlcmac_dl_tbf *dl_tbf; |
| GprsMs *ms, *ms1, *ms2; |
| |
| fprintf(stderr, "=== start %s ===\n", __func__); |
| |
| setup_bts(bts, ts_no, 1); |
| |
| ul_tbf = establish_ul_tbf_two_phase(bts, ts_no, tlli1, &fn, qta, |
| ms_class, 0); |
| |
| ms1 = ul_tbf->ms(); |
| print_ta_tlli(ul_tbf, false); |
| |
| send_dl_data(bts, tlli1, imsi, (const uint8_t *)"DATA 1 *************", 20); |
| send_dl_data(bts, tlli1, imsi, (const uint8_t *)"DATA 2 *************", 20); |
| print_ms(ms1, true); |
| |
| OSMO_ASSERT(llc_queue_size(ms_llc_queue(ms1)) == 2); |
| dl_tbf = ms_dl_tbf(ms1); |
| OSMO_ASSERT(dl_tbf != NULL); |
| |
| /* Get rid of old UL TBF */ |
| tbf_free(ul_tbf); |
| ms = bts_ms_by_tlli(bts, tlli1, GSM_RESERVED_TMSI); |
| OSMO_ASSERT(ms1 == ms); |
| |
| /* Now establish a new UL TBF, this will consume one LLC packet */ |
| ul_tbf = establish_ul_tbf_two_phase(bts, ts_no, tlli1, &fn, qta, |
| ms_class, 0); |
| |
| ms2 = ul_tbf->ms(); |
| print_ms(ms2, false); |
| |
| /* This should be the same MS object */ |
| OSMO_ASSERT(ms2 == ms1); |
| |
| ms = bts_ms_by_tlli(bts, tlli1, GSM_RESERVED_TMSI); |
| OSMO_ASSERT(ms2 == ms); |
| |
| /* A DL TBF should still exist */ |
| OSMO_ASSERT(ms_dl_tbf(ms)); |
| |
| /* No queued packets should be lost */ |
| OSMO_ASSERT(llc_queue_size(ms_llc_queue(ms)) == 2); |
| |
| TALLOC_FREE(the_pcu); |
| fprintf(stderr, "=== end %s ===\n", __func__); |
| } |
| |
| |
| static void test_tbf_dl_flow_and_rach_single_phase() |
| { |
| the_pcu = prepare_pcu(); |
| struct gprs_rlcmac_bts *bts = bts_alloc(the_pcu, 0); |
| int ts_no = 7; |
| uint32_t fn = 2654218; |
| uint16_t qta = 31; |
| uint32_t tlli1 = 0xf1223344; |
| const char *imsi = "0011223344"; |
| uint8_t ms_class = 1; |
| gprs_rlcmac_ul_tbf *ul_tbf; |
| gprs_rlcmac_dl_tbf *dl_tbf; |
| GprsMs *ms, *ms1, *ms2; |
| |
| fprintf(stderr, "=== start %s ===\n", __func__); |
| |
| setup_bts(bts, ts_no, 1); |
| |
| ul_tbf = establish_ul_tbf_two_phase(bts, ts_no, tlli1, &fn, qta, |
| ms_class, 0); |
| |
| ms1 = ul_tbf->ms(); |
| print_ta_tlli(ul_tbf, false); |
| |
| send_dl_data(bts, tlli1, imsi, (const uint8_t *)"DATA 1 *************", 20); |
| send_dl_data(bts, tlli1, imsi, (const uint8_t *)"DATA 2 *************", 20); |
| print_ms(ms1, true); |
| |
| OSMO_ASSERT(llc_queue_size(ms_llc_queue(ms1)) == 2); |
| dl_tbf = ms_dl_tbf(ms1); |
| OSMO_ASSERT(dl_tbf != NULL); |
| |
| /* Get rid of old UL TBF */ |
| tbf_free(ul_tbf); |
| ms = bts_ms_by_tlli(bts, tlli1, GSM_RESERVED_TMSI); |
| OSMO_ASSERT(ms1 == ms); |
| |
| /* Now establish a new UL TBF */ |
| ul_tbf = establish_ul_tbf_single_phase(bts, ts_no, tlli1, &fn, qta); |
| |
| ms2 = ul_tbf->ms(); |
| print_ms(ms2, false); |
| |
| /* There should be a different MS object */ |
| OSMO_ASSERT(ms2 != ms1); |
| |
| ms = bts_ms_by_tlli(bts, tlli1, GSM_RESERVED_TMSI); |
| OSMO_ASSERT(ms2 == ms); |
| OSMO_ASSERT(ms1 != ms); |
| |
| /* DL TBF should be removed */ |
| OSMO_ASSERT(!ms_dl_tbf(ms)); |
| |
| /* No queued packets should be lost */ |
| OSMO_ASSERT(llc_queue_size(ms_llc_queue(ms)) == 2); |
| |
| TALLOC_FREE(the_pcu); |
| fprintf(stderr, "=== end %s ===\n", __func__); |
| } |
| |
| static void test_tbf_dl_reuse() |
| { |
| the_pcu = prepare_pcu(); |
| struct gprs_rlcmac_bts *bts = bts_alloc(the_pcu, 0); |
| int ts_no = 7; |
| uint32_t fn = 2654218; |
| uint16_t qta = 31; |
| uint32_t tlli1 = 0xf1223344; |
| const char *imsi = "0011223344"; |
| uint8_t ms_class = 1; |
| gprs_rlcmac_ul_tbf *ul_tbf; |
| gprs_rlcmac_dl_tbf *dl_tbf1, *dl_tbf2; |
| GprsMs *ms1, *ms2; |
| unsigned i; |
| RlcMacUplink_t ulreq = {0}; |
| |
| fprintf(stderr, "=== start %s ===\n", __func__); |
| |
| setup_bts(bts, ts_no, 1); |
| |
| ul_tbf = establish_ul_tbf_two_phase(bts, ts_no, tlli1, &fn, qta, |
| ms_class, 0); |
| |
| ms1 = ul_tbf->ms(); |
| print_ta_tlli(ul_tbf, false); |
| |
| /* Send some LLC frames */ |
| for (i = 0; i < 40; i++) { |
| char buf[32]; |
| int rc; |
| |
| rc = snprintf(buf, sizeof(buf), "LLC PACKET %02i", i); |
| OSMO_ASSERT(rc > 0); |
| |
| send_dl_data(bts, tlli1, imsi, (const uint8_t *)buf, rc); |
| } |
| |
| print_ms(ms1, true); |
| |
| /* Send Packet Downlink Assignment to MS */ |
| request_dl_rlc_block(ul_tbf, &fn); |
| |
| /* Ack it */ |
| send_control_ack(ul_tbf); |
| |
| /* Transmit all data */ |
| transmit_dl_data(bts, tlli1, &fn); |
| OSMO_ASSERT(llc_queue_size(ms_llc_queue(ms1)) == 0); |
| OSMO_ASSERT(ms_dl_tbf(ms1)); |
| OSMO_ASSERT(ms_dl_tbf(ms1)->state_is(TBF_ST_FINISHED)); |
| |
| dl_tbf1 = ms_dl_tbf(ms1); |
| |
| /* Send some LLC frames */ |
| for (i = 0; i < 10; i++) { |
| char buf[32]; |
| int rc; |
| |
| rc = snprintf(buf, sizeof(buf), "LLC PACKET %02i (TBF 2)", i); |
| OSMO_ASSERT(rc > 0); |
| |
| send_dl_data(bts, tlli1, imsi, (const uint8_t *)buf, rc); |
| } |
| |
| /* Drop first DL_ACK poll queued */ |
| send_empty_block(dl_tbf1, dl_tbf1->control_ts, get_poll_fn(dl_tbf1, dl_tbf1->control_ts)); |
| |
| /* Fake Final DL Ack/Nack */ |
| ulreq.u.MESSAGE_TYPE = MT_PACKET_DOWNLINK_ACK_NACK; |
| Packet_Downlink_Ack_Nack_t *ack = &ulreq.u.Packet_Downlink_Ack_Nack; |
| |
| ack->PayloadType = GPRS_RLCMAC_CONTROL_BLOCK; |
| ack->DOWNLINK_TFI = dl_tbf1->tfi(); |
| ack->Ack_Nack_Description.FINAL_ACK_INDICATION = 1; |
| |
| send_ul_mac_block(bts, 0, dl_tbf1->control_ts, &ulreq, get_poll_fn(dl_tbf1, dl_tbf1->control_ts)); |
| |
| OSMO_ASSERT(dl_tbf1->state_is(TBF_ST_WAIT_RELEASE)); |
| |
| request_dl_rlc_block(dl_tbf1, &fn); |
| |
| ms2 = bts_ms_by_tlli(bts, tlli1, GSM_RESERVED_TMSI); |
| OSMO_ASSERT(ms2 == ms1); |
| OSMO_ASSERT(ms_dl_tbf(ms2)); |
| OSMO_ASSERT(ms_dl_tbf(ms2)->state_is(TBF_ST_ASSIGN)); |
| |
| dl_tbf2 = ms_dl_tbf(ms2); |
| |
| OSMO_ASSERT(dl_tbf1 != dl_tbf2); |
| |
| send_control_ack(dl_tbf1); |
| OSMO_ASSERT(dl_tbf2->state_is(TBF_ST_FLOW)); |
| |
| /* Transmit all data */ |
| transmit_dl_data(bts, tlli1, &fn); |
| OSMO_ASSERT(llc_queue_size(ms_llc_queue(ms2)) == 0); |
| OSMO_ASSERT(ms_dl_tbf(ms2)); |
| OSMO_ASSERT(ms_dl_tbf(ms2)->state_is(TBF_ST_FINISHED)); |
| |
| TALLOC_FREE(the_pcu); |
| fprintf(stderr, "=== end %s ===\n", __func__); |
| } |
| |
| static void test_tbf_gprs_egprs() |
| { |
| the_pcu = prepare_pcu(); |
| struct gprs_rlcmac_bts *bts = bts_alloc(the_pcu, 0); |
| uint8_t ts_no = 4; |
| uint8_t ms_class = 45; |
| int rc = 0; |
| uint32_t tlli = 0xc0006789; |
| const char *imsi = "001001123456789"; |
| unsigned delay_csec = 1000; |
| |
| uint8_t buf[256] = {0}; |
| |
| fprintf(stderr, "=== start %s ===\n", __func__); |
| |
| bts->pcu->nsi = gprs_ns2_instantiate(tall_pcu_ctx, gprs_ns_prim_cb, NULL); |
| if (!bts->pcu->nsi) { |
| LOGP(DBSSGP, LOGL_ERROR, "Failed to create NS instance\n"); |
| abort(); |
| } |
| |
| setup_bts(bts, ts_no); |
| |
| /* EGPRS-only */ |
| |
| gprs_bssgp_init(bts, 3234, 3234, 1, 1, false, 0, 0, 0); |
| |
| /* Does not support EGPRS */ |
| rc = dl_tbf_handle(bts, tlli, 0, imsi, ms_class, 0, |
| delay_csec, buf, sizeof(buf)); |
| |
| OSMO_ASSERT(rc == 0); |
| fprintf(stderr, "=== end %s ===\n", __func__); |
| |
| gprs_bssgp_destroy(bts); |
| TALLOC_FREE(the_pcu); |
| } |
| |
| static inline void ws_check(gprs_rlcmac_dl_tbf *dl_tbf, const char *test, uint8_t exp_slots, uint16_t exp_ws, |
| bool free, bool end) |
| { |
| gprs_rlcmac_bts *bts = dl_tbf->bts; |
| if (!dl_tbf) { |
| fprintf(stderr, "%s(): FAILED (NULL TBF)\n", test); |
| return; |
| } |
| |
| fprintf(stderr, "DL TBF slots: 0x%02x, N: %d, WS: %d", |
| dl_tbf->dl_slots(), |
| pcu_bitcount(dl_tbf->dl_slots()), |
| dl_tbf->window_size()); |
| |
| if (pcu_bitcount(dl_tbf->dl_slots()) != exp_slots || dl_tbf->window_size() != exp_ws) |
| fprintf(stderr, "%s(): DL TBF FAILED: dl_slots = %u (exp. %u), WS = %u (exp. %u)", |
| test, pcu_bitcount(dl_tbf->dl_slots()), 4, dl_tbf->window_size(), 128 + 4 * 64); |
| |
| fprintf(stderr, "\n"); |
| |
| if (free) |
| tbf_free(dl_tbf); |
| |
| if (end) { |
| fprintf(stderr, "=== end %s ===\n", test); |
| gprs_bssgp_destroy(bts); |
| } |
| } |
| |
| static void test_tbf_ws() |
| { |
| the_pcu = prepare_pcu(); |
| struct gprs_rlcmac_bts *bts = bts_alloc(the_pcu, 0); |
| GprsMs *ms; |
| uint8_t ts_no = 4; |
| uint8_t ms_class = 12; |
| gprs_rlcmac_dl_tbf *dl_tbf; |
| |
| fprintf(stderr, "=== start %s ===\n", __func__); |
| |
| bts->pcu->nsi = gprs_ns2_instantiate(tall_pcu_ctx, gprs_ns_prim_cb, NULL); |
| if (!bts->pcu->nsi) { |
| LOGP(DBSSGP, LOGL_ERROR, "Failed to create NS instance\n"); |
| abort(); |
| } |
| |
| setup_bts(bts, ts_no); |
| |
| the_pcu->vty.ws_base = 128; |
| the_pcu->vty.ws_pdch = 64; |
| the_pcu->alloc_algorithm = alloc_algorithm_b; |
| bts->trx[0].pdch[2].enable(); |
| bts->trx[0].pdch[3].enable(); |
| /* bts->trx[0].pdch[4].enable(); Already enabled during setup_bts() */ |
| bts->trx[0].pdch[5].enable(); |
| |
| gprs_bssgp_init(bts, 4234, 4234, 1, 1, false, 0, 0, 0); |
| |
| /* Does no support EGPRS */ |
| ms = bts_alloc_ms(bts, ms_class, 0); |
| dl_tbf = tbf_alloc_dl_tbf(bts, ms, 0, false); |
| |
| ws_check(dl_tbf, __func__, 4, 64, true, false); |
| |
| /* EGPRS-only */ |
| |
| /* Does support EGPRS */ |
| ms = bts_alloc_ms(bts, ms_class, ms_class); |
| dl_tbf = tbf_alloc_dl_tbf(bts, ms, 0, false); |
| |
| ws_check(dl_tbf, __func__, 4, 128 + 4 * 64, true, true); |
| TALLOC_FREE(the_pcu); |
| } |
| |
| static void test_tbf_update_ws(void) |
| { |
| the_pcu = prepare_pcu(); |
| struct gprs_rlcmac_bts *bts = bts_alloc(the_pcu, 0); |
| GprsMs *ms; |
| uint8_t ts_no = 4; |
| uint8_t ms_class = 11; |
| gprs_rlcmac_dl_tbf *dl_tbf; |
| |
| fprintf(stderr, "=== start %s ===\n", __func__); |
| |
| bts->pcu->nsi = gprs_ns2_instantiate(tall_pcu_ctx, gprs_ns_prim_cb, NULL); |
| if (!bts->pcu->nsi) { |
| LOGP(DBSSGP, LOGL_ERROR, "Failed to create NS instance\n"); |
| abort(); |
| } |
| |
| setup_bts(bts, ts_no); |
| |
| the_pcu->vty.ws_base = 128; |
| the_pcu->vty.ws_pdch = 64; |
| the_pcu->alloc_algorithm = alloc_algorithm_b; |
| bts->trx[0].pdch[2].enable(); |
| bts->trx[0].pdch[3].enable(); |
| /* bts->trx[0].pdch[4].enable(); Already enabled during setup_bts()) */ |
| bts->trx[0].pdch[5].enable(); |
| |
| gprs_bssgp_init(bts, 5234, 5234, 1, 1, false, 0, 0, 0); |
| |
| /* EGPRS-only */ |
| |
| /* Does support EGPRS */ |
| ms = bts_alloc_ms(bts, ms_class, ms_class); |
| dl_tbf = tbf_alloc_dl_tbf(bts, ms, 0, true); |
| |
| ws_check(dl_tbf, __func__, 1, 128 + 1 * 64, false, false); |
| |
| dl_tbf->update(); |
| |
| /* window size should be 384 */ |
| ws_check(dl_tbf, __func__, 4, 128 + 4 * 64, true, true); |
| TALLOC_FREE(the_pcu); |
| } |
| |
| static void test_tbf_puan_urbb_len(void) |
| { |
| the_pcu = prepare_pcu(); |
| struct gprs_rlcmac_bts *bts = bts_alloc(the_pcu, 0); |
| int ts_no = 7; |
| uint32_t fn = 2654218; |
| uint16_t qta = 31; |
| uint32_t tlli = 0xf1223344; |
| const char *imsi = "0011223344"; |
| uint8_t ms_class = 1; |
| uint8_t egprs_ms_class = 1; |
| gprs_rlcmac_ul_tbf *ul_tbf; |
| uint8_t test_data[256]; |
| |
| fprintf(stderr, "=== start %s ===\n", __func__); |
| |
| memset(test_data, 1, sizeof(test_data)); |
| |
| setup_bts(bts, ts_no, 4); |
| bts->initial_mcs_dl = 9; |
| |
| ul_tbf = puan_urbb_len_issue(bts, ts_no, tlli, &fn, qta, |
| ms_class, egprs_ms_class); |
| |
| print_ta_tlli(ul_tbf, true); |
| send_dl_data(bts, tlli, imsi, test_data, sizeof(test_data)); |
| |
| TALLOC_FREE(the_pcu); |
| fprintf(stderr, "=== end %s ===\n", __func__); |
| } |
| |
| static gprs_rlcmac_ul_tbf *tbf_li_decoding(struct gprs_rlcmac_bts *bts, |
| uint8_t ts_no, uint32_t tlli, uint32_t *fn, uint16_t qta, |
| uint8_t ms_class, uint8_t egprs_ms_class) |
| { |
| GprsMs *ms; |
| uint32_t rach_fn = *fn - 51; |
| uint32_t sba_fn = *fn + 52; |
| uint8_t trx_no = 0; |
| int tfi = 0; |
| gprs_rlcmac_ul_tbf *ul_tbf; |
| struct gprs_rlcmac_pdch *pdch; |
| RlcMacUplink_t ulreq = {0}; |
| struct gprs_rlc_ul_header_egprs_3 *egprs3 = NULL; |
| Packet_Resource_Request_t *presreq = NULL; |
| MS_Radio_Access_capability_t *pmsradiocap = NULL; |
| Multislot_capability_t *pmultislotcap = NULL; |
| |
| /* needed to set last_rts_fn in the PDCH object */ |
| request_dl_rlc_block(bts, trx_no, ts_no, fn); |
| |
| /* |
| * simulate RACH, this sends an Immediate |
| * Assignment Uplink on the AGCH |
| */ |
| bts_handle_rach(bts, 0x73, rach_fn, qta); |
| |
| /* get next free TFI */ |
| tfi = bts_tfi_find_free(bts, GPRS_RLCMAC_UL_TBF, &trx_no, -1); |
| |
| /* fake a resource request */ |
| ulreq.u.MESSAGE_TYPE = MT_PACKET_RESOURCE_REQUEST; |
| presreq = &ulreq.u.Packet_Resource_Request; |
| presreq->PayloadType = GPRS_RLCMAC_CONTROL_BLOCK; |
| presreq->ID.UnionType = 1; /* != 0 */ |
| presreq->ID.u.TLLI = tlli; |
| presreq->Exist_MS_Radio_Access_capability2 = 1; |
| pmsradiocap = &presreq->MS_Radio_Access_capability2; |
| pmsradiocap->Count_MS_RA_capability_value = 1; |
| pmsradiocap->MS_RA_capability_value[0].u.Content. |
| Exist_Multislot_capability = 1; |
| pmultislotcap = &pmsradiocap->MS_RA_capability_value[0]. |
| u.Content.Multislot_capability; |
| |
| pmultislotcap->Exist_GPRS_multislot_class = 1; |
| pmultislotcap->GPRS_multislot_class = ms_class; |
| if (egprs_ms_class) { |
| pmultislotcap->Exist_EGPRS_multislot_class = 1; |
| pmultislotcap->EGPRS_multislot_class = ms_class; |
| } |
| |
| send_ul_mac_block(bts, trx_no, ts_no, &ulreq, sba_fn); |
| |
| /* check the TBF */ |
| ul_tbf = bts_ul_tbf_by_tfi(bts, tfi, trx_no, ts_no); |
| OSMO_ASSERT(ul_tbf); |
| OSMO_ASSERT(ul_tbf->ta() == qta / 4); |
| |
| /* send packet uplink assignment */ |
| *fn = sba_fn; |
| request_dl_rlc_block(ul_tbf, fn); |
| |
| /* send real acknowledgement */ |
| send_control_ack(ul_tbf); |
| |
| check_tbf(ul_tbf); |
| |
| uint8_t data_msg[49] = {0}; |
| |
| pdch = &bts->trx[trx_no].pdch[ts_no]; |
| |
| ms = bts_ms_by_tlli(bts, tlli, GSM_RESERVED_TMSI); |
| OSMO_ASSERT(ms != NULL); |
| OSMO_ASSERT(ms_ta(ms) == qta/4); |
| OSMO_ASSERT(ms_ul_tbf(ms) == ul_tbf); |
| |
| egprs3 = (struct gprs_rlc_ul_header_egprs_3 *) data_msg; |
| egprs3->si = 0; |
| egprs3->r = 1; |
| egprs3->cv = 7; |
| egprs3->tfi_hi = tfi & 0x03; |
| egprs3->tfi_lo = (tfi & 0x1c) >> 2; |
| egprs3->bsn1_hi = 0; |
| egprs3->bsn1_lo = 0; |
| egprs3->cps_hi = 1; |
| data_msg[3] = 0xff; |
| egprs3->pi = 0; |
| egprs3->cps_lo = 1; |
| egprs3->rsb = 0; |
| egprs3->spb = 0; |
| egprs3->pi = 0; |
| pdch->rcv_block(data_msg, 49, *fn, &meas); |
| |
| egprs3->bsn1_hi = 1; |
| egprs3->bsn1_lo = 0; |
| data_msg[3] = 0x7f; |
| egprs3->cps_lo = 1; |
| egprs3->rsb = 0; |
| egprs3->spb = 0; |
| egprs3->pi = 0; |
| data_msg[4] = 0x2; |
| data_msg[5] = 0x0; |
| pdch->rcv_block(data_msg, 49, *fn, &meas); |
| |
| OSMO_ASSERT(ul_tbf->m_llc.index == 43); |
| |
| return ul_tbf; |
| } |
| |
| static void test_tbf_li_decoding(void) |
| { |
| the_pcu = prepare_pcu(); |
| struct gprs_rlcmac_bts *bts = bts_alloc(the_pcu, 0); |
| int ts_no = 7; |
| uint32_t fn = 2654218; |
| uint16_t qta = 31; |
| uint32_t tlli = 0xf1223344; |
| const char *imsi = "0011223344"; |
| uint8_t ms_class = 1; |
| uint8_t egprs_ms_class = 1; |
| gprs_rlcmac_ul_tbf *ul_tbf; |
| uint8_t test_data[256]; |
| |
| fprintf(stderr, "=== start %s ===\n", __func__); |
| |
| memset(test_data, 1, sizeof(test_data)); |
| |
| setup_bts(bts, ts_no, 4); |
| bts->initial_mcs_dl = 9; |
| |
| ul_tbf = tbf_li_decoding(bts, ts_no, tlli, &fn, qta, |
| ms_class, egprs_ms_class); |
| |
| print_ta_tlli(ul_tbf, true); |
| send_dl_data(bts, tlli, imsi, test_data, sizeof(test_data)); |
| |
| TALLOC_FREE(the_pcu); |
| fprintf(stderr, "=== end %s ===\n", __func__); |
| } |
| |
| /* |
| * Test that a bit within the uncompressed bitmap whose BSN is not within |
| * the transmit window shall be ignored. See section 9.1.8.2.4 of 44.060 |
| * version 7.27.0 Release 7. |
| */ |
| static void test_tbf_epdan_out_of_rx_window(void) |
| { |
| the_pcu = prepare_pcu(); |
| struct gprs_rlcmac_bts *bts = bts_alloc(the_pcu, 0); |
| uint8_t ms_class = 11; |
| uint8_t egprs_ms_class = 11; |
| uint8_t trx_no; |
| uint32_t tlli = 0xffeeddcc; |
| gprs_rlcmac_dl_tbf *dl_tbf; |
| int ts_no = 4; |
| bitvec *block; |
| uint8_t bits_data[RLC_EGPRS_MAX_WS/8]; |
| bitvec bits; |
| int bsn_begin, bsn_end; |
| EGPRS_PD_AckNack_t *ack_nack; |
| RlcMacUplink_t ul_control_block; |
| gprs_rlc_v_b *prlcmvb; |
| gprs_rlc_dl_window *prlcdlwindow; |
| int rc; |
| |
| memset(&ul_control_block, 0, sizeof(RlcMacUplink_t)); |
| |
| fprintf(stderr, "=== start %s ===\n", __func__); |
| |
| setup_bts(bts, ts_no); |
| OSMO_ASSERT(osmo_tdef_set(the_pcu->T_defs, -2031, 200, OSMO_TDEF_MS) == 0); |
| /* ARQ II */ |
| the_pcu->vty.dl_arq_type = EGPRS_ARQ2; |
| |
| /* |
| * Simulate a message captured during over-the-air testing, |
| * where the following values were observed: |
| * v_a = 1176, vs = 1288, max sns = 2048, window size = 480. |
| */ |
| uint8_t data_msg[23] = {0x40, 0x20, 0x0b, 0xff, 0xd1, |
| 0x61, 0x00, 0x3e, 0x0e, 0x51, 0x9f, |
| 0xff, 0xff, 0xfb, 0x80, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; |
| |
| dl_tbf = create_dl_tbf(bts, ms_class, egprs_ms_class, &trx_no); |
| dl_tbf->update_ms(tlli, GPRS_RLCMAC_DL_TBF); |
| prlcdlwindow = static_cast<gprs_rlc_dl_window *>(dl_tbf->window()); |
| prlcmvb = &prlcdlwindow->m_v_b; |
| prlcdlwindow->m_v_s = 1288; |
| prlcdlwindow->m_v_a = 1176; |
| prlcdlwindow->set_sns(2048); |
| prlcdlwindow->set_ws(480); |
| prlcmvb->mark_unacked(1176); |
| prlcmvb->mark_unacked(1177); |
| prlcmvb->mark_unacked(1286); |
| prlcmvb->mark_unacked(1287); |
| |
| OSMO_ASSERT(dl_tbf->state_is(TBF_ST_FLOW)); |
| |
| block = bitvec_alloc(23, tall_pcu_ctx); |
| |
| bitvec_unpack(block, data_msg); |
| |
| bits.data = bits_data; |
| bits.data_len = sizeof(bits_data); |
| bits.cur_bit = 0; |
| |
| rc = decode_gsm_rlcmac_uplink(block, &ul_control_block); |
| OSMO_ASSERT(rc == 0); |
| |
| ack_nack = &ul_control_block.u.Egprs_Packet_Downlink_Ack_Nack; |
| |
| OSMO_ASSERT(prlcmvb->is_unacked(1176)); |
| OSMO_ASSERT(prlcmvb->is_unacked(1177)); |
| OSMO_ASSERT(prlcmvb->is_unacked(1286)); |
| OSMO_ASSERT(prlcmvb->is_unacked(1287)); |
| |
| Decoding::decode_egprs_acknack_bits( |
| &ack_nack->EGPRS_AckNack.Desc, &bits, |
| &bsn_begin, &bsn_end, prlcdlwindow); |
| |
| dl_tbf->rcvd_dl_ack( |
| ack_nack->EGPRS_AckNack.Desc.FINAL_ACK_INDICATION, |
| bsn_begin, &bits); |
| |
| OSMO_ASSERT(prlcmvb->is_invalid(1176)); |
| OSMO_ASSERT(prlcmvb->is_invalid(1177)); |
| OSMO_ASSERT(prlcmvb->is_acked(1286)); |
| OSMO_ASSERT(prlcmvb->is_acked(1287)); |
| |
| bitvec_free(block); |
| tbf_free(dl_tbf); |
| TALLOC_FREE(the_pcu); |
| fprintf(stderr, "=== end %s ===\n", __func__); |
| } |
| |
| static void test_tbf_egprs_two_phase_spb(void) |
| { |
| the_pcu = prepare_pcu(); |
| struct gprs_rlcmac_bts *bts = bts_alloc(the_pcu, 0); |
| int ts_no = 7; |
| uint32_t fn = 2654218; |
| uint16_t qta = 31; |
| uint32_t tlli = 0xf1223344; |
| const char *imsi = "0011223344"; |
| uint8_t ms_class = 1; |
| uint8_t egprs_ms_class = 1; |
| gprs_rlcmac_ul_tbf *ul_tbf; |
| uint8_t test_data[256]; |
| |
| fprintf(stderr, "=== start %s ===\n", __func__); |
| |
| memset(test_data, 1, sizeof(test_data)); |
| |
| setup_bts(bts, ts_no, 4); |
| bts->initial_mcs_dl = 9; |
| |
| ul_tbf = establish_ul_tbf_two_phase_spb(bts, ts_no, tlli, &fn, qta, |
| ms_class, egprs_ms_class); |
| |
| print_ta_tlli(ul_tbf, true); |
| send_dl_data(bts, tlli, imsi, test_data, sizeof(test_data)); |
| |
| TALLOC_FREE(the_pcu); |
| fprintf(stderr, "=== end %s ===\n", __func__); |
| } |
| |
| static void test_tbf_egprs_two_phase() |
| { |
| the_pcu = prepare_pcu(); |
| struct gprs_rlcmac_bts *bts = bts_alloc(the_pcu, 0); |
| int ts_no = 7; |
| uint32_t fn = 2654218; |
| uint16_t qta = 31; |
| uint32_t tlli = 0xf1223344; |
| const char *imsi = "0011223344"; |
| uint8_t ms_class = 1; |
| uint8_t egprs_ms_class = 1; |
| gprs_rlcmac_ul_tbf *ul_tbf; |
| uint8_t test_data[256]; |
| |
| fprintf(stderr, "=== start %s ===\n", __func__); |
| |
| memset(test_data, 1, sizeof(test_data)); |
| |
| setup_bts(bts, ts_no, 4); |
| bts->initial_mcs_dl = 9; |
| |
| ul_tbf = establish_ul_tbf_two_phase(bts, ts_no, tlli, &fn, qta, |
| ms_class, egprs_ms_class); |
| |
| print_ta_tlli(ul_tbf, true); |
| send_dl_data(bts, tlli, imsi, test_data, sizeof(test_data)); |
| |
| TALLOC_FREE(the_pcu); |
| fprintf(stderr, "=== end %s ===\n", __func__); |
| } |
| |
| static void establish_and_use_egprs_dl_tbf(struct gprs_rlcmac_bts *bts, int mcs) |
| { |
| unsigned i; |
| uint8_t ms_class = 11; |
| uint8_t egprs_ms_class = 11; |
| uint32_t fn = 0; |
| uint8_t trx_no; |
| uint32_t tlli = 0xffeeddcc; |
| uint8_t test_data[512]; |
| |
| uint8_t rbb[64/8]; |
| |
| gprs_rlcmac_dl_tbf *dl_tbf; |
| |
| fprintf(stderr, "Testing MCS-%d\n", mcs); |
| |
| memset(test_data, 1, sizeof(test_data)); |
| bts->initial_mcs_dl = mcs; |
| |
| dl_tbf = create_dl_tbf(bts, ms_class, egprs_ms_class, &trx_no); |
| dl_tbf->update_ms(tlli, GPRS_RLCMAC_DL_TBF); |
| |
| for (i = 0; i < sizeof(llc_data); i++) |
| llc_data[i] = i%256; |
| |
| OSMO_ASSERT(dl_tbf->state_is(TBF_ST_FLOW)); |
| |
| /* Schedule a small LLC frame */ |
| dl_tbf->append_data(1000, test_data, 10); |
| |
| OSMO_ASSERT(dl_tbf->state_is(TBF_ST_FLOW)); |
| |
| /* Drain the queue */ |
| while (dl_tbf->have_data()) { |
| /* Request to send one RLC/MAC block */ |
| request_dl_rlc_block(dl_tbf, &fn); |
| } |
| send_empty_block(dl_tbf, dl_tbf->control_ts, fn); |
| |
| /* Schedule a large LLC frame */ |
| dl_tbf->append_data(1000, test_data, sizeof(test_data)); |
| |
| OSMO_ASSERT(dl_tbf->state_is(TBF_ST_FLOW)); |
| |
| /* Drain the queue */ |
| while (dl_tbf->have_data()) { |
| /* Request to send one RLC/MAC block */ |
| request_dl_rlc_block(dl_tbf, &fn); |
| } |
| send_empty_block(dl_tbf, dl_tbf->control_ts, fn); |
| |
| OSMO_ASSERT(dl_tbf->state_is(TBF_ST_FLOW)); |
| |
| _rcv_ack(true, dl_tbf, rbb); /* Receive a final ACK */ |
| |
| /* Clean up and ensure tbfs are in the correct state */ |
| OSMO_ASSERT(dl_tbf->state_is(TBF_ST_WAIT_RELEASE)); |
| check_tbf(dl_tbf); |
| tbf_free(dl_tbf); |
| } |
| |
| static gprs_rlcmac_dl_tbf *tbf_init(struct gprs_rlcmac_bts *bts, |
| int mcs) |
| { |
| unsigned i; |
| uint8_t ms_class = 11; |
| uint8_t egprs_ms_class = 11; |
| uint8_t trx_no; |
| uint32_t tlli = 0xffeeddcc; |
| uint8_t test_data[512]; |
| |
| gprs_rlcmac_dl_tbf *dl_tbf; |
| |
| memset(test_data, 1, sizeof(test_data)); |
| bts->initial_mcs_dl = mcs; |
| |
| dl_tbf = create_dl_tbf(bts, ms_class, egprs_ms_class, &trx_no); |
| dl_tbf->update_ms(tlli, GPRS_RLCMAC_DL_TBF); |
| |
| for (i = 0; i < sizeof(test_data); i++) |
| test_data[i] = i%256; |
| |
| OSMO_ASSERT(dl_tbf->state_is(TBF_ST_FLOW)); |
| |
| /* Schedule a LLC frame |
| * passing only 100 bytes, since it is enough to construct |
| * 2 RLC data blocks. Which are enough to test Header Type 1 |
| * cases |
| */ |
| dl_tbf->append_data(1000, test_data, 100); |
| |
| OSMO_ASSERT(dl_tbf->state_is(TBF_ST_FLOW)); |
| |
| return dl_tbf; |
| |
| } |
| |
| static void tbf_cleanup(gprs_rlcmac_dl_tbf *dl_tbf) |
| { |
| uint8_t rbb[64/8]; |
| |
| _rcv_ack(true, dl_tbf, rbb); /* Receive a final ACK */ |
| |
| /* Clean up and ensure tbfs are in the correct state */ |
| OSMO_ASSERT(dl_tbf->state_is(TBF_ST_WAIT_RELEASE)); |
| check_tbf(dl_tbf); |
| tbf_free(dl_tbf); |
| |
| } |
| |
| #define NACK(tbf, x) do { \ |
| gprs_rlc_dl_window *w = static_cast<gprs_rlc_dl_window *>(tbf->window()); \ |
| w->m_v_b.mark_nacked(x); \ |
| OSMO_ASSERT(w->m_v_b.is_nacked(x)); \ |
| } while(0) |
| |
| #define CHECK_UNACKED(tbf, cs, bsn) do { \ |
| gprs_rlc_dl_window *w = static_cast<gprs_rlc_dl_window *>(tbf->window()); \ |
| OSMO_ASSERT(w->m_v_b.is_unacked(bsn)); \ |
| OSMO_ASSERT(mcs_chan_code(tbf->m_rlc.block(bsn)->cs_current_trans) == cs - 1); \ |
| } while(0) |
| |
| #define CHECK_NACKED(tbf, cs, bsn) do { \ |
| gprs_rlc_dl_window *w = static_cast<gprs_rlc_dl_window *>(tbf->window()); \ |
| OSMO_ASSERT(w->m_v_b.is_nacked(bsn)); \ |
| OSMO_ASSERT(mcs_chan_code(tbf->m_rlc.block(bsn)->cs_current_trans) == cs - 1); \ |
| } while(0) |
| |
| #define MAKE_ACKED(m, tbf, fn, cs, check_unacked) do { \ |
| m = tbf->create_dl_acked_block(fn, tbf->control_ts); \ |
| OSMO_ASSERT(m); \ |
| if (check_unacked) \ |
| CHECK_UNACKED(tbf, cs, 0); \ |
| else \ |
| CHECK_NACKED(tbf, cs, 0); \ |
| } while(0) |
| |
| static void egprs_spb_to_normal_validation(struct gprs_rlcmac_bts *bts, |
| unsigned int mcs, unsigned int demanded_mcs) |
| { |
| uint32_t fn = 0; |
| gprs_rlcmac_dl_tbf *dl_tbf; |
| uint16_t bsn1, bsn2, bsn3; |
| struct msgb *msg; |
| struct gprs_rlc_dl_header_egprs_3 *egprs3; |
| struct gprs_rlc_dl_header_egprs_2 *egprs2; |
| |
| fprintf(stderr, "Testing retx for MCS %u to reseg_mcs %u\n", mcs, demanded_mcs); |
| |
| dl_tbf = tbf_init(bts, mcs); |
| |
| /* |
| * Table 10.4.8a.3.1 of 44.060. |
| * (MCS7, MCS9) to (MCS2, MCS3) is not handled since it is same as |
| * (MCS5, MCS6) to (MCS2, MCS3) transition |
| */ |
| if (!(mcs == 6 && demanded_mcs == 3)) |
| return; |
| |
| fn = fn_add_blocks(fn, 1); |
| /* Send first RLC data block BSN 0 */ |
| MAKE_ACKED(msg, dl_tbf, fn, mcs, true); |
| |
| egprs2 = (struct gprs_rlc_dl_header_egprs_2 *) msg->data; |
| bsn1 = (egprs2->bsn1_hi << 9) | (egprs2->bsn1_mid << 1) | (egprs2->bsn1_lo); |
| |
| NACK(dl_tbf, 0); |
| |
| OSMO_ASSERT(bsn1 == 0); |
| |
| ms_set_current_cs_dl(dl_tbf->ms(), static_cast < enum CodingScheme > (CS4 + demanded_mcs)); |
| |
| fn = fn_add_blocks(fn, 1); |
| |
| /* Send first segment with demanded_mcs */ |
| MAKE_ACKED(msg, dl_tbf, fn, demanded_mcs, false); |
| OSMO_ASSERT(dl_tbf->m_rlc.block(0)->spb_status.block_status_dl |
| == EGPRS_RESEG_FIRST_SEG_SENT); |
| |
| egprs3 = (struct gprs_rlc_dl_header_egprs_3 *) msg->data; |
| OSMO_ASSERT(egprs3->spb == 2); |
| |
| /* Table 10.4.8a.3.1 of 44.060 */ |
| OSMO_ASSERT(egprs3->cps == 3); |
| |
| /* Send second segment with demanded_mcs */ |
| MAKE_ACKED(msg, dl_tbf, fn, demanded_mcs, true); |
| OSMO_ASSERT(dl_tbf->m_rlc.block(0)->spb_status.block_status_dl |
| == EGPRS_RESEG_SECOND_SEG_SENT); |
| |
| egprs3 = (struct gprs_rlc_dl_header_egprs_3 *) msg->data; |
| /* Table 10.4.8a.3.1 of 44.060 */ |
| OSMO_ASSERT(egprs3->spb == 3); |
| bsn2 = (egprs3->bsn1_hi << 9) | (egprs3->bsn1_mid << 1) | (egprs3->bsn1_lo); |
| OSMO_ASSERT(bsn2 == bsn1); |
| |
| /* Table 10.4.8a.3.1 of 44.060 */ |
| OSMO_ASSERT(egprs3->cps == 3); |
| |
| /* Handle (MCS3, MCS3) -> MCS6 case */ |
| ms_set_current_cs_dl(dl_tbf->ms(), static_cast < enum CodingScheme > (CS4 + mcs)); |
| |
| NACK(dl_tbf, 0); |
| |
| msg = dl_tbf->create_dl_acked_block(fn, dl_tbf->control_ts); |
| egprs2 = (struct gprs_rlc_dl_header_egprs_2 *) msg->data; |
| |
| /* Table 10.4.8a.3.1 of 44.060 */ |
| OSMO_ASSERT(egprs2->cps == 0); |
| bsn3 = (egprs2->bsn1_hi << 9) | (egprs2->bsn1_mid << 1) | (egprs2->bsn1_lo); |
| OSMO_ASSERT(bsn3 == bsn2); |
| |
| tbf_cleanup(dl_tbf); |
| } |
| |
| static void establish_and_use_egprs_dl_tbf_for_spb(struct gprs_rlcmac_bts *bts, |
| unsigned int mcs, unsigned int demanded_mcs) |
| { |
| uint32_t fn = 0; |
| gprs_rlcmac_dl_tbf *dl_tbf; |
| struct msgb *msg; |
| struct gprs_rlc_dl_header_egprs_3 *egprs3; |
| |
| fprintf(stderr, "Testing retx for MCS %u to reseg_mcs %u\n", mcs, demanded_mcs); |
| |
| dl_tbf = tbf_init(bts, mcs); |
| |
| /* |
| * Table 10.4.8a.3.1 of 44.060. |
| * (MCS7, MCS9) to (MCS2, MCS3) is not handled since it is same as |
| * (MCS5, MCS6) to (MCS2, MCS3) transition |
| */ |
| /* TODO: Need to support of MCS8 -> MCS6 ->MCS3 transistion |
| * Refer commit be881c028fc4da00c4046ecd9296727975c206a3 |
| * dated 2016-02-07 23:45:40 (UTC) |
| */ |
| if (!(((mcs == 5) && (demanded_mcs == 2)) || |
| ((mcs == 6) && (demanded_mcs == 3)) || |
| ((mcs == 4) && (demanded_mcs == 1)))) |
| return; |
| |
| fn = fn_add_blocks(fn, 1); |
| /* Send first RLC data block BSN 0 */ |
| MAKE_ACKED(msg, dl_tbf, fn, mcs, true); |
| |
| NACK(dl_tbf, 0); |
| |
| ms_set_current_cs_dl(dl_tbf->ms(), static_cast < enum CodingScheme > (CS4 + demanded_mcs)); |
| |
| fn = fn_add_blocks(fn, 1); |
| |
| /* Send first segment with demanded_mcs */ |
| MAKE_ACKED(msg, dl_tbf, fn, demanded_mcs, false); |
| OSMO_ASSERT(dl_tbf->m_rlc.block(0)->spb_status.block_status_dl |
| == EGPRS_RESEG_FIRST_SEG_SENT); |
| |
| egprs3 = (struct gprs_rlc_dl_header_egprs_3 *) msg->data; |
| OSMO_ASSERT(egprs3->spb == 2); |
| |
| /* Table 10.4.8a.3.1 of 44.060 */ |
| switch (demanded_mcs) { |
| case 3: |
| OSMO_ASSERT(egprs3->cps == 3); |
| break; |
| case 2: |
| OSMO_ASSERT(egprs3->cps == 9); |
| break; |
| case 1: |
| OSMO_ASSERT(egprs3->cps == 11); |
| break; |
| default: |
| OSMO_ASSERT(false); |
| break; |
| } |
| |
| /* Send second segment with demanded_mcs */ |
| MAKE_ACKED(msg, dl_tbf, fn, demanded_mcs, true); |
| OSMO_ASSERT(dl_tbf->m_rlc.block(0)->spb_status.block_status_dl |
| == EGPRS_RESEG_SECOND_SEG_SENT); |
| |
| egprs3 = (struct gprs_rlc_dl_header_egprs_3 *) msg->data; |
| /* Table 10.4.8a.3.1 of 44.060 */ |
| OSMO_ASSERT(egprs3->spb == 3); |
| |
| /* Table 10.4.8a.3.1 of 44.060 */ |
| switch (demanded_mcs) { |
| case 3: |
| OSMO_ASSERT(egprs3->cps == 3); |
| break; |
| case 2: |
| OSMO_ASSERT(egprs3->cps == 9); |
| break; |
| case 1: |
| OSMO_ASSERT(egprs3->cps == 11); |
| break; |
| default: |
| OSMO_ASSERT(false); |
| break; |
| } |
| tbf_cleanup(dl_tbf); |
| } |
| |
| static void establish_and_use_egprs_dl_tbf_for_retx(struct gprs_rlcmac_bts *bts, |
| unsigned int mcs, unsigned int demanded_mcs) |
| { |
| uint32_t fn = 0; |
| gprs_rlcmac_dl_tbf *dl_tbf; |
| struct msgb *msg; |
| |
| fprintf(stderr, "Testing retx for MCS %u - %u\n", mcs, demanded_mcs); |
| |
| dl_tbf = tbf_init(bts, mcs); |
| |
| /* For MCS reduction cases like MCS9->MCS6, MCS7->MCS5 |
| * The MCS transition are referred from table Table 8.1.1.2 |
| * of TS 44.060 |
| */ |
| /* TODO: Need to support of MCS8 -> MCS6 transistion |
| * Refer commit be881c028fc4da00c4046ecd9296727975c206a3 |
| * dated 2016-02-07 23:45:40 (UTC) |
| */ |
| if (((mcs == 9) && (demanded_mcs < 9)) || |
| ((mcs == 7) && (demanded_mcs < 7))) { |
| fn = fn_add_blocks(fn, 1); |
| /* Send 2 RLC data block */ |
| MAKE_ACKED(msg, dl_tbf, fn, mcs, true); |
| CHECK_UNACKED(dl_tbf, mcs, 1); |
| |
| NACK(dl_tbf, 0); |
| NACK(dl_tbf, 1); |
| |
| /* Set the demanded MCS to demanded_mcs */ |
| ms_set_current_cs_dl(dl_tbf->ms(), static_cast < enum CodingScheme > (CS4 + demanded_mcs)); |
| |
| fn = fn_add_blocks(fn, 1); |
| /* Retransmit the first RLC data block with demanded_mcs */ |
| MAKE_ACKED(msg, dl_tbf, fn, demanded_mcs, true); |
| CHECK_NACKED(dl_tbf, mcs, 1); |
| |
| fn = fn_add_blocks(fn, 1); |
| /* Retransmit the second RLC data block with demanded_mcs */ |
| MAKE_ACKED(msg, dl_tbf, fn, demanded_mcs, true); |
| CHECK_UNACKED(dl_tbf, demanded_mcs, 1); |
| } else if (((mcs == 5) && (demanded_mcs > 6)) || |
| ((mcs == 6) && (demanded_mcs > 8))) { |
| fn = fn_add_blocks(fn, 1); |
| /* Send first RLC data block BSN 0 */ |
| MAKE_ACKED(msg, dl_tbf, fn, mcs, true); |
| |
| fn = fn_add_blocks(fn, 1); |
| /* Send second RLC data block BSN 1 */ |
| MAKE_ACKED(msg, dl_tbf, fn, mcs, true); |
| CHECK_UNACKED(dl_tbf, mcs, 1); |
| |
| NACK(dl_tbf, 0); |
| NACK(dl_tbf, 1); |
| |
| ms_set_current_cs_dl(dl_tbf->ms(), static_cast < enum CodingScheme > (CS4 + demanded_mcs)); |
| |
| fn = fn_add_blocks(fn, 1); |
| /* Send first, second RLC data blocks with demanded_mcs */ |
| MAKE_ACKED(msg, dl_tbf, fn, demanded_mcs, true); |
| CHECK_UNACKED(dl_tbf, demanded_mcs, 1); |
| } else if (mcs > 6) { |
| /* No Mcs change cases are handled here for mcs > MCS6*/ |
| fn = fn_add_blocks(fn, 1); |
| /* Send first,second RLC data blocks */ |
| MAKE_ACKED(msg, dl_tbf, fn, mcs, true); |
| CHECK_UNACKED(dl_tbf, mcs, 1); |
| |
| NACK(dl_tbf, 0); |
| NACK(dl_tbf, 1); |
| |
| fn = fn_add_blocks(fn, 1); |
| /* Send first,second RLC data blocks with demanded_mcs*/ |
| MAKE_ACKED(msg, dl_tbf, fn, mcs, true); |
| CHECK_UNACKED(dl_tbf, mcs, 1); |
| } else { |
| |
| /* No MCS change cases are handled here for mcs <= MCS6*/ |
| fn = fn_add_blocks(fn, 1); |
| /* Send first RLC data block */ |
| MAKE_ACKED(msg, dl_tbf, fn, mcs, true); |
| |
| NACK(dl_tbf, 0); |
| |
| fn = fn_add_blocks(fn, 1); |
| /* Send first RLC data block with demanded_mcs */ |
| MAKE_ACKED(msg, dl_tbf, fn, mcs, true); |
| } |
| /* Clean up pending items in UL controller: */ |
| send_empty_block(dl_tbf, dl_tbf->control_ts, fn+50); |
| tbf_cleanup(dl_tbf); |
| } |
| |
| static void test_tbf_egprs_retx_dl(void) |
| { |
| the_pcu = prepare_pcu(); |
| struct gprs_rlcmac_bts *bts = bts_alloc(the_pcu, 0); |
| uint8_t ts_no = 4; |
| |
| fprintf(stderr, "=== start %s ===\n", __func__); |
| |
| the_pcu->vty.cs_downgrade_threshold = 0; |
| setup_bts(bts, ts_no); |
| OSMO_ASSERT(osmo_tdef_set(the_pcu->T_defs, -2031, 200, OSMO_TDEF_MS) == 0); |
| /* ARQ II */ |
| the_pcu->vty.dl_arq_type = EGPRS_ARQ2; |
| |
| |
| /* First parameter is current MCS, second one is demanded_mcs */ |
| establish_and_use_egprs_dl_tbf_for_retx(bts, 6, 6); |
| establish_and_use_egprs_dl_tbf_for_retx(bts, 1, 9); |
| establish_and_use_egprs_dl_tbf_for_retx(bts, 2, 8); |
| establish_and_use_egprs_dl_tbf_for_retx(bts, 5, 7); |
| establish_and_use_egprs_dl_tbf_for_retx(bts, 6, 9); |
| establish_and_use_egprs_dl_tbf_for_retx(bts, 7, 5); |
| establish_and_use_egprs_dl_tbf_for_retx(bts, 9, 6); |
| |
| TALLOC_FREE(the_pcu); |
| fprintf(stderr, "=== end %s ===\n", __func__); |
| } |
| |
| static void test_tbf_egprs_spb_dl(void) |
| { |
| the_pcu = prepare_pcu(); |
| struct gprs_rlcmac_bts *bts = bts_alloc(the_pcu, 0); |
| uint8_t ts_no = 4; |
| |
| fprintf(stderr, "=== start %s ===\n", __func__); |
| |
| the_pcu->vty.cs_downgrade_threshold = 0; |
| setup_bts(bts, ts_no); |
| OSMO_ASSERT(osmo_tdef_set(the_pcu->T_defs, -2031, 200, OSMO_TDEF_MS) == 0); |
| |
| /* ARQ I resegmentation support */ |
| the_pcu->vty.dl_arq_type = EGPRS_ARQ1; |
| |
| /* |
| * First parameter is current MCS, second one is demanded_mcs |
| * currently only MCS5->MCS2, MCS6->3, MCS4->MCS1 is tested in UT |
| * rest scenarios has been integration tested |
| */ |
| establish_and_use_egprs_dl_tbf_for_spb(bts, 6, 3); |
| establish_and_use_egprs_dl_tbf_for_spb(bts, 5, 2); |
| establish_and_use_egprs_dl_tbf_for_spb(bts, 4, 1); |
| /* check MCS6->(MCS3+MCS3)->MCS6 case */ |
| egprs_spb_to_normal_validation(bts, 6, 3); |
| |
| TALLOC_FREE(the_pcu); |
| fprintf(stderr, "=== end %s ===\n", __func__); |
| } |
| |
| static void test_tbf_egprs_dl() |
| { |
| the_pcu = prepare_pcu(); |
| struct gprs_rlcmac_bts *bts = bts_alloc(the_pcu, 0); |
| uint8_t ts_no = 4; |
| int i; |
| |
| fprintf(stderr, "=== start %s ===\n", __func__); |
| |
| setup_bts(bts, ts_no); |
| OSMO_ASSERT(osmo_tdef_set(the_pcu->T_defs, -2031, 200, OSMO_TDEF_MS) == 0); |
| /* ARQ II */ |
| the_pcu->vty.dl_arq_type = EGPRS_ARQ2; |
| |
| for (i = 1; i <= 9; i++) |
| establish_and_use_egprs_dl_tbf(bts, i); |
| |
| TALLOC_FREE(the_pcu); |
| fprintf(stderr, "=== end %s ===\n", __func__); |
| } |
| |
| |
| |
| static void test_packet_access_rej_prr_no_other_tbfs() |
| { |
| the_pcu = prepare_pcu(); |
| struct gprs_rlcmac_bts *bts = bts_alloc(the_pcu, 0); |
| uint32_t fn = 2654218; |
| int ts_no = 7; |
| uint8_t trx_no = 0; |
| uint32_t tlli = 0xffeeddcc; |
| struct gprs_rlcmac_ul_tbf *ul_tbf; |
| struct GprsMs *ms; |
| |
| fprintf(stderr, "=== start %s ===\n", __func__); |
| |
| setup_bts(bts, ts_no, 4); |
| OSMO_ASSERT(osmo_tdef_set(the_pcu->T_defs, -2000, 0, OSMO_TDEF_MS) == 0); |
| |
| int rc = 0; |
| |
| ms = bts_alloc_ms(bts, 0, 0); |
| ms_set_tlli(ms, tlli); |
| ul_tbf = handle_tbf_reject(bts, ms, trx_no, ts_no); |
| |
| OSMO_ASSERT(ul_tbf != 0); |
| |
| /* trigger packet access reject */ |
| uint8_t bn = fn2bn(fn); |
| |
| rc = gprs_rlcmac_rcv_rts_block(bts, |
| trx_no, ts_no, fn, bn); |
| |
| OSMO_ASSERT(rc == 0); |
| osmo_select_main(0); |
| |
| TALLOC_FREE(the_pcu); |
| fprintf(stderr, "=== end %s ===\n", __func__); |
| } |
| |
| static void test_packet_access_rej_prr() |
| { |
| the_pcu = prepare_pcu(); |
| struct gprs_rlcmac_bts *bts = bts_alloc(the_pcu, 0); |
| uint32_t fn = 2654218; |
| uint16_t qta = 31; |
| int ts_no = 7; |
| uint8_t trx_no = 0; |
| RlcMacUplink_t ulreq = {0}; |
| Packet_Resource_Request_t *presreq = NULL; |
| uint8_t ms_class = 11; |
| uint8_t egprs_ms_class = 11; |
| uint32_t rach_fn = fn - 51; |
| uint32_t sba_fn = fn + 52; |
| uint32_t tlli = 0xffeeddcc; |
| MS_Radio_Access_capability_t *pmsradiocap = NULL; |
| Multislot_capability_t *pmultislotcap = NULL; |
| |
| fprintf(stderr, "=== start %s ===\n", __func__); |
| |
| setup_bts(bts, ts_no, 4); |
| |
| int rc = 0; |
| |
| /* |
| * Trigger rach till resources(USF) exhaust |
| */ |
| int i; |
| for (i = 0; i < 8; i++) { |
| rc = bts_handle_rach(bts, 0x70 + i, rach_fn, qta); |
| } |
| |
| sba_fn = 52; |
| for (i = 0; i < 8; i++) { |
| /* fake a resource request */ |
| ulreq.u.MESSAGE_TYPE = MT_PACKET_RESOURCE_REQUEST; |
| presreq = &ulreq.u.Packet_Resource_Request; |
| presreq->PayloadType = GPRS_RLCMAC_CONTROL_BLOCK; |
| presreq->ID.UnionType = 1; /* != 0 */ |
| presreq->ID.u.TLLI = tlli + i; |
| presreq->Exist_MS_Radio_Access_capability2 = 1; |
| pmsradiocap = &presreq->MS_Radio_Access_capability2; |
| pmsradiocap->Count_MS_RA_capability_value = 1; |
| pmsradiocap->MS_RA_capability_value[0].u.Content. |
| Exist_Multislot_capability = 1; |
| pmultislotcap = &pmsradiocap->MS_RA_capability_value[0]. |
| u.Content.Multislot_capability; |
| |
| pmultislotcap->Exist_GPRS_multislot_class = 1; |
| pmultislotcap->GPRS_multislot_class = ms_class; |
| if (egprs_ms_class) { |
| pmultislotcap->Exist_EGPRS_multislot_class = 1; |
| pmultislotcap->EGPRS_multislot_class = egprs_ms_class; |
| } |
| |
| send_ul_mac_block(bts, trx_no, ts_no, &ulreq, sba_fn); |
| sba_fn = fn_next_block(sba_fn); |
| |
| /* trigger packet access reject */ |
| uint8_t bn = fn2bn(fn); |
| |
| rc = gprs_rlcmac_rcv_rts_block(bts, |
| trx_no, ts_no, fn, bn); |
| OSMO_ASSERT(rc == 0); |
| } |
| |
| TALLOC_FREE(the_pcu); |
| fprintf(stderr, "=== end %s ===\n", __func__); |
| } |
| |
| void test_packet_access_rej_epdan() |
| { |
| the_pcu = prepare_pcu(); |
| struct gprs_rlcmac_bts *bts = bts_alloc(the_pcu, 0); |
| uint32_t tlli = 0xffeeddcc; |
| static uint8_t exp[] = { 0x40, 0x84, 0x7f, 0xf7, 0x6e, 0xe6, 0x7e, 0xab, |
| 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, |
| 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b |
| }; |
| |
| fprintf(stderr, "=== start %s ===\n", __func__); |
| setup_bts(bts, 4); |
| static gprs_rlcmac_dl_tbf *dl_tbf = tbf_init(bts, 1); |
| |
| dl_tbf->update_ms(tlli, GPRS_RLCMAC_DL_TBF); |
| |
| osmo_fsm_inst_dispatch(dl_tbf->ul_ass_fsm.fi, TBF_UL_ASS_EV_SCHED_ASS_REJ, NULL); |
| struct msgb *msg = tbf_ul_ass_create_rlcmac_msg((const struct gprs_rlcmac_tbf*)dl_tbf, 0, 0); |
| |
| fprintf(stderr, "packet reject: %s\n", |
| osmo_hexdump(msg->data, 23)); |
| |
| if (!msgb_eq_data_print(msg, exp, GSM_MACBLOCK_LEN)) |
| fprintf(stderr, "%s test failed!\n", __func__); |
| |
| TALLOC_FREE(the_pcu); |
| fprintf(stderr, "=== 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, "moiji-mobile TbfTest 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_filename2(osmo_stderr_target, LOG_FILENAME_NONE); |
| log_set_print_category(osmo_stderr_target, 0); |
| log_set_print_category_hex(osmo_stderr_target, 0); |
| log_parse_category_mask(osmo_stderr_target, "DRLCMAC,1:DRLCMACDATA,3:DRLCMACDL,3:DRLCMACUL,3:" |
| "DRLCMACSCHED,1:DRLCMACMEAS,3:DNS,3:DLBSSGP,3:DPCU,5:" |
| "DL1IF,6:DTBF,1:DTBFUL,1:DTBFDL,1:DLGLOBAL,2:"); |
| osmo_fsm_log_addr(false); |
| vty_init(&pcu_vty_info); |
| pcu_vty_init(); |
| |
| /* Initialize shared UL measurements */ |
| pcu_l1_meas_set_link_qual(&meas, 12); |
| pcu_l1_meas_set_rssi(&meas, 31); |
| |
| test_tbf_base(); |
| test_tbf_tlli_update(); |
| test_tbf_final_ack(TEST_MODE_STANDARD); |
| test_tbf_final_ack(TEST_MODE_REVERSE_FREE); |
| test_tbf_delayed_release(); |
| test_tbf_imsi(); |
| test_tbf_exhaustion(); |
| test_tbf_dl_llc_loss(); |
| test_tbf_single_phase(); |
| test_tbf_two_phase(); |
| test_tbf_ra_update_rach(); |
| test_tbf_dl_flow_and_rach_two_phase(); |
| test_tbf_dl_flow_and_rach_single_phase(); |
| test_tbf_dl_reuse(); |
| test_tbf_gprs_egprs(); |
| test_tbf_ws(); |
| test_tbf_egprs_two_phase(); |
| test_tbf_egprs_two_phase_spb(); |
| test_tbf_egprs_dl(); |
| test_tbf_egprs_retx_dl(); |
| test_tbf_egprs_spb_dl(); |
| test_tbf_puan_urbb_len(); |
| test_tbf_update_ws(); |
| test_tbf_li_decoding(); |
| test_tbf_epdan_out_of_rx_window(); |
| test_immediate_assign_rej(); |
| test_tbf_egprs_two_phase_puan(); |
| test_packet_access_rej_epdan(); |
| test_packet_access_rej_prr(); |
| test_packet_access_rej_prr_no_other_tbfs(); |
| |
| if (getenv("TALLOC_REPORT_FULL")) |
| talloc_report_full(tall_pcu_ctx, stderr); |
| 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(); } |
| } |