| /* AllocTest.cpp |
| * |
| * Copyright (C) 2013 by Holger Hans Peter Freyther |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License |
| * as published by the Free Software Foundation; either version 2 |
| * 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 General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| */ |
| |
| #include "gprs_rlcmac.h" |
| #include "gprs_debug.h" |
| #include "tbf.h" |
| #include "bts.h" |
| |
| #include <string.h> |
| #include <stdio.h> |
| |
| extern "C" { |
| #include <osmocom/core/application.h> |
| #include <osmocom/core/msgb.h> |
| #include <osmocom/core/talloc.h> |
| #include <osmocom/core/utils.h> |
| } |
| |
| /* globals used by the code */ |
| void *tall_pcu_ctx; |
| int16_t spoof_mnc = 0, spoof_mcc = 0; |
| |
| static gprs_rlcmac_tbf *tbf_alloc(struct gprs_rlcmac_bts *bts, |
| GprsMs *ms, gprs_rlcmac_tbf_direction dir, |
| uint8_t use_trx, |
| uint8_t ms_class, uint8_t single_slot) |
| { |
| if (dir == GPRS_RLCMAC_UL_TBF) |
| return tbf_alloc_ul_tbf(bts, ms, use_trx, ms_class, single_slot); |
| else |
| return tbf_alloc_dl_tbf(bts, ms, use_trx, ms_class, single_slot); |
| } |
| |
| static void check_tfi_usage(BTS *the_bts) |
| { |
| int pdch_no; |
| struct gprs_rlcmac_bts *bts = the_bts->bts_data(); |
| |
| struct gprs_rlcmac_tbf *tfi_usage[8][8][2][32] = {{{{NULL}}}}; |
| struct llist_head *tbf_lists[2] = { |
| &bts->ul_tbfs, |
| &bts->dl_tbfs |
| }; |
| |
| gprs_rlcmac_tbf *tbf; |
| struct llist_pods *lpods; |
| unsigned list_idx; |
| struct gprs_rlcmac_tbf **tbf_var; |
| |
| for (list_idx = 0; list_idx < ARRAY_SIZE(tbf_lists); list_idx += 1) |
| { |
| |
| llist_pods_for_each_entry(tbf, tbf_lists[list_idx], list, lpods) { |
| for (pdch_no = 0; pdch_no < 8; pdch_no += 1) { |
| struct gprs_rlcmac_pdch *pdch = tbf->pdch[pdch_no]; |
| if (pdch == NULL) |
| continue; |
| |
| tbf_var = &tfi_usage |
| [tbf->trx->trx_no] |
| [pdch_no] |
| [tbf->direction] |
| [tbf->tfi()]; |
| |
| OSMO_ASSERT(*tbf_var == NULL); |
| if (tbf->direction == GPRS_RLCMAC_DL_TBF) { |
| OSMO_ASSERT(pdch->dl_tbf_by_tfi( |
| tbf->tfi()) == tbf); |
| OSMO_ASSERT(the_bts->dl_tbf_by_tfi( |
| tbf->tfi(), |
| tbf->trx->trx_no, |
| pdch_no) == tbf); |
| } else { |
| OSMO_ASSERT(pdch->ul_tbf_by_tfi( |
| tbf->tfi()) == tbf); |
| OSMO_ASSERT(the_bts->ul_tbf_by_tfi( |
| tbf->tfi(), |
| tbf->trx->trx_no, |
| pdch_no) == tbf); |
| } |
| *tbf_var = tbf; |
| OSMO_ASSERT(pdch->assigned_tfi(tbf->direction) & |
| (1 << tbf->tfi())); |
| } |
| } |
| } |
| } |
| |
| static void test_alloc_a(gprs_rlcmac_tbf_direction dir, |
| uint8_t slots, const int count) |
| { |
| int tfi; |
| int i; |
| uint8_t used_trx, tmp_trx; |
| BTS the_bts; |
| struct gprs_rlcmac_bts *bts; |
| struct gprs_rlcmac_tbf *tbfs[32*8+1] = { 0, }; |
| |
| printf("Testing alloc_a direction(%d)\n", dir); |
| |
| bts = the_bts.bts_data(); |
| bts->alloc_algorithm = alloc_algorithm_a; |
| |
| struct gprs_rlcmac_trx *trx = &bts->trx[0]; |
| for (i = 0; i < 8; i += 1) |
| if (slots & (1 << i)) |
| trx->pdch[i].enable(); |
| |
| OSMO_ASSERT(count >= 0 && count <= (int)ARRAY_SIZE(tbfs)); |
| |
| /** |
| * Currently alloc_a will only allocate from the first |
| * PDCH and all possible usf's. We run out of usf's before |
| * we are out of tfi's. Observe this and make sure that at |
| * least this part is working okay. |
| */ |
| for (i = 0; i < (int)ARRAY_SIZE(tbfs); ++i) { |
| tbfs[i] = tbf_alloc(bts, NULL, dir, -1, 0, 0); |
| if (tbfs[i] == NULL) |
| break; |
| |
| used_trx = tbfs[i]->trx->trx_no; |
| tfi = the_bts.tfi_find_free(dir, &tmp_trx, used_trx); |
| OSMO_ASSERT(tbfs[i]->tfi() != tfi); |
| } |
| |
| check_tfi_usage(&the_bts); |
| |
| OSMO_ASSERT(i == count); |
| |
| for (i = 0; i < count; ++i) |
| if (tbfs[i]) |
| tbf_free(tbfs[i]); |
| |
| tbfs[tfi] = tbf_alloc(bts, NULL, dir, -1, 0, 0); |
| OSMO_ASSERT(tbfs[tfi]); |
| tbf_free(tbfs[tfi]); |
| } |
| |
| static void test_alloc_a() |
| { |
| /* slots 2 - 3 */ |
| test_alloc_a(GPRS_RLCMAC_DL_TBF, 0x0c, 32*2); |
| test_alloc_a(GPRS_RLCMAC_UL_TBF, 0x0c, 14); |
| |
| /* slots 1 - 5 */ |
| test_alloc_a(GPRS_RLCMAC_DL_TBF, 0x1e, 32*4); |
| test_alloc_a(GPRS_RLCMAC_UL_TBF, 0x1e, 28); |
| } |
| |
| static void dump_assignment(struct gprs_rlcmac_tbf *tbf, const char *dir) |
| { |
| for (size_t i = 0; i < ARRAY_SIZE(tbf->pdch); ++i) |
| if (tbf->pdch[i]) |
| printf("PDCH[%d] is used for %s\n", i, dir); |
| printf("PDCH[%d] is control_ts for %s\n", tbf->control_ts, dir); |
| printf("PDCH[%d] is first common for %s\n", tbf->first_common_ts, dir); |
| } |
| |
| static void test_alloc_b(int ms_class) |
| { |
| printf("Going to test multislot assignment MS_CLASS=%d\n", ms_class); |
| /* |
| * PDCH is on TS 6,7,8 and we start with a UL allocation and |
| * then follow two DL allocations (once single, once normal). |
| * |
| * Uplink assigned and still available.. |
| */ |
| { |
| BTS the_bts; |
| struct gprs_rlcmac_bts *bts; |
| struct gprs_rlcmac_trx *trx; |
| uint8_t trx_no; |
| |
| gprs_rlcmac_tbf *ul_tbf, *dl_tbf; |
| |
| printf("Testing UL then DL assignment.\n"); |
| |
| bts = the_bts.bts_data(); |
| bts->alloc_algorithm = alloc_algorithm_b; |
| |
| trx = &bts->trx[0]; |
| trx->pdch[5].enable(); |
| trx->pdch[6].enable(); |
| trx->pdch[7].enable(); |
| |
| ul_tbf = tbf_alloc_ul_tbf(bts, NULL, -1, ms_class, 1); |
| OSMO_ASSERT(ul_tbf); |
| OSMO_ASSERT(ul_tbf->ms()); |
| OSMO_ASSERT(ul_tbf->ms()->current_trx()); |
| trx_no = ul_tbf->ms()->current_trx()->trx_no; |
| dump_assignment(ul_tbf, "UL"); |
| |
| /* assume final ack has not been sent */ |
| dl_tbf = tbf_alloc_dl_tbf(bts, ul_tbf->ms(), trx_no, ms_class, 0); |
| OSMO_ASSERT(dl_tbf); |
| dump_assignment(dl_tbf, "DL"); |
| |
| OSMO_ASSERT(dl_tbf->first_common_ts == ul_tbf->first_common_ts); |
| |
| check_tfi_usage(&the_bts); |
| |
| tbf_free(dl_tbf); |
| tbf_free(ul_tbf); |
| } |
| |
| /** |
| * Test with the other order.. first DL and then UL |
| */ |
| { |
| BTS the_bts; |
| struct gprs_rlcmac_bts *bts; |
| struct gprs_rlcmac_trx *trx; |
| uint8_t trx_no; |
| |
| gprs_rlcmac_ul_tbf *ul_tbf; |
| gprs_rlcmac_dl_tbf *dl_tbf; |
| |
| printf("Testing DL then UL assignment followed by update\n"); |
| |
| bts = the_bts.bts_data(); |
| bts->alloc_algorithm = alloc_algorithm_b; |
| |
| trx = &bts->trx[0]; |
| trx->pdch[5].enable(); |
| trx->pdch[6].enable(); |
| trx->pdch[7].enable(); |
| |
| dl_tbf = tbf_alloc_dl_tbf(bts, NULL, -1, ms_class, 1); |
| dl_tbf->update_ms(0x23, GPRS_RLCMAC_DL_TBF); |
| OSMO_ASSERT(dl_tbf); |
| OSMO_ASSERT(dl_tbf->ms()); |
| OSMO_ASSERT(dl_tbf->ms()->current_trx()); |
| trx_no = dl_tbf->ms()->current_trx()->trx_no; |
| dump_assignment(dl_tbf, "DL"); |
| |
| ul_tbf = tbf_alloc_ul_tbf(bts, dl_tbf->ms(), trx_no, ms_class, 0); |
| ul_tbf->update_ms(0x23, GPRS_RLCMAC_UL_TBF); |
| ul_tbf->m_contention_resolution_done = 1; |
| OSMO_ASSERT(ul_tbf); |
| dump_assignment(ul_tbf, "UL"); |
| |
| OSMO_ASSERT(dl_tbf->first_common_ts == ul_tbf->first_common_ts); |
| |
| /* now update the dl_tbf */ |
| dl_tbf->update(); |
| dump_assignment(dl_tbf, "DL"); |
| OSMO_ASSERT(dl_tbf->first_common_ts == ul_tbf->first_common_ts); |
| |
| check_tfi_usage(&the_bts); |
| |
| tbf_free(dl_tbf); |
| tbf_free(ul_tbf); |
| } |
| |
| /* Andreas osmocom-pcu example */ |
| { |
| BTS the_bts; |
| struct gprs_rlcmac_bts *bts; |
| struct gprs_rlcmac_trx *trx; |
| int tfi; |
| uint8_t trx_no; |
| |
| gprs_rlcmac_tbf *ul_tbf, *dl_tbf; |
| |
| printf("Testing jolly example\n"); |
| |
| bts = the_bts.bts_data(); |
| bts->alloc_algorithm = alloc_algorithm_b; |
| |
| trx = &bts->trx[0]; |
| trx->pdch[1].enable(); |
| trx->pdch[2].enable(); |
| trx->pdch[3].enable(); |
| trx->pdch[4].enable(); |
| |
| tfi = the_bts.tfi_find_free(GPRS_RLCMAC_UL_TBF, &trx_no, -1); |
| OSMO_ASSERT(tfi >= 0); |
| ul_tbf = tbf_alloc_ul_tbf(bts, NULL, .1, ms_class, 0); |
| OSMO_ASSERT(ul_tbf); |
| OSMO_ASSERT(ul_tbf->ms()); |
| OSMO_ASSERT(ul_tbf->ms()->current_trx()); |
| trx_no = ul_tbf->ms()->current_trx()->trx_no; |
| dump_assignment(ul_tbf, "UL"); |
| |
| /* assume final ack has not been sent */ |
| dl_tbf = tbf_alloc_dl_tbf(bts, ul_tbf->ms(), trx_no, ms_class, 0); |
| OSMO_ASSERT(dl_tbf); |
| dump_assignment(dl_tbf, "DL"); |
| |
| OSMO_ASSERT(dl_tbf->first_common_ts == ul_tbf->first_common_ts); |
| |
| check_tfi_usage(&the_bts); |
| |
| tbf_free(dl_tbf); |
| tbf_free(ul_tbf); |
| } |
| } |
| |
| #define ENABLE_PDCH(ts_no, enable_flag, trx) \ |
| if (enable_flag) \ |
| trx->pdch[ts_no].enable(); |
| |
| static void test_alloc_b(bool ts0, bool ts1, bool ts2, bool ts3, bool ts4, bool ts5, bool ts6, bool ts7, int ms_class) |
| { |
| /* we can test the allocation failures differently */ |
| if (!ts0 && !ts1 && !ts2 && !ts3 && !ts4 && !ts5 && !ts6 && !ts7) |
| return; |
| |
| printf("Mass test: TS0(%c%c%c%c%c%c%c%c)TS7 MS_Class=%d\n", |
| ts0 ? 'O' : 'x', |
| ts1 ? 'O' : 'x', |
| ts2 ? 'O' : 'x', |
| ts3 ? 'O' : 'x', |
| ts4 ? 'O' : 'x', |
| ts5 ? 'O' : 'x', |
| ts6 ? 'O' : 'x', |
| ts7 ? 'O' : 'x', ms_class); |
| fflush(stdout); |
| |
| { |
| BTS the_bts; |
| struct gprs_rlcmac_bts *bts; |
| struct gprs_rlcmac_trx *trx; |
| uint8_t trx_no; |
| |
| gprs_rlcmac_tbf *ul_tbf, *dl_tbf; |
| |
| bts = the_bts.bts_data(); |
| bts->alloc_algorithm = alloc_algorithm_b; |
| |
| trx = &bts->trx[0]; |
| ENABLE_PDCH(0, ts0, trx); |
| ENABLE_PDCH(1, ts1, trx); |
| ENABLE_PDCH(2, ts2, trx); |
| ENABLE_PDCH(3, ts3, trx); |
| ENABLE_PDCH(4, ts4, trx); |
| ENABLE_PDCH(5, ts5, trx); |
| ENABLE_PDCH(6, ts6, trx); |
| ENABLE_PDCH(7, ts7, trx); |
| |
| ul_tbf = tbf_alloc_ul_tbf(bts, NULL, -1, ms_class, 1); |
| OSMO_ASSERT(ul_tbf->ms()); |
| OSMO_ASSERT(ul_tbf->ms()->current_trx()); |
| trx_no = ul_tbf->ms()->current_trx()->trx_no; |
| OSMO_ASSERT(ul_tbf); |
| |
| /* assume final ack has not been sent */ |
| dl_tbf = tbf_alloc_dl_tbf(bts, ul_tbf->ms(), trx_no, ms_class, 0); |
| OSMO_ASSERT(dl_tbf); |
| |
| /* verify that both are on the same ts */ |
| OSMO_ASSERT(dl_tbf->first_common_ts == ul_tbf->first_common_ts); |
| |
| check_tfi_usage(&the_bts); |
| |
| tbf_free(dl_tbf); |
| tbf_free(ul_tbf); |
| } |
| |
| /** |
| * Test with the other order.. first DL and then UL |
| */ |
| { |
| BTS the_bts; |
| struct gprs_rlcmac_bts *bts; |
| struct gprs_rlcmac_trx *trx; |
| uint8_t trx_no; |
| |
| gprs_rlcmac_ul_tbf *ul_tbf; |
| gprs_rlcmac_dl_tbf *dl_tbf; |
| |
| bts = the_bts.bts_data(); |
| bts->alloc_algorithm = alloc_algorithm_b; |
| |
| trx = &bts->trx[0]; |
| ENABLE_PDCH(0, ts0, trx); |
| ENABLE_PDCH(1, ts1, trx); |
| ENABLE_PDCH(2, ts2, trx); |
| ENABLE_PDCH(3, ts3, trx); |
| ENABLE_PDCH(4, ts4, trx); |
| ENABLE_PDCH(5, ts5, trx); |
| ENABLE_PDCH(6, ts6, trx); |
| ENABLE_PDCH(7, ts7, trx); |
| |
| dl_tbf = tbf_alloc_dl_tbf(bts, NULL, -1, ms_class, 1); |
| OSMO_ASSERT(dl_tbf); |
| OSMO_ASSERT(dl_tbf->ms()); |
| OSMO_ASSERT(dl_tbf->ms()->current_trx()); |
| trx_no = dl_tbf->ms()->current_trx()->trx_no; |
| dl_tbf->update_ms(0x23, GPRS_RLCMAC_DL_TBF); |
| |
| ul_tbf = tbf_alloc_ul_tbf(bts, dl_tbf->ms(), trx_no, ms_class, 0); |
| OSMO_ASSERT(ul_tbf); |
| ul_tbf->update_ms(0x23, GPRS_RLCMAC_UL_TBF); |
| ul_tbf->m_contention_resolution_done = 1; |
| |
| OSMO_ASSERT(dl_tbf->first_common_ts == ul_tbf->first_common_ts); |
| |
| /* now update the dl_tbf */ |
| dl_tbf->update(); |
| OSMO_ASSERT(dl_tbf->first_common_ts == ul_tbf->first_common_ts); |
| |
| OSMO_ASSERT(ul_tbf->ms_class() == ms_class); |
| OSMO_ASSERT(dl_tbf->ms_class() == ms_class); |
| |
| check_tfi_usage(&the_bts); |
| |
| tbf_free(dl_tbf); |
| tbf_free(ul_tbf); |
| } |
| } |
| |
| static void test_all_alloc_b() |
| { |
| /* it is a bit crazy... */ |
| for (uint8_t ts0 = 0; ts0 < 2; ++ts0) |
| for (uint8_t ts1 = 0; ts1 < 2; ++ts1) |
| for (uint8_t ts2 = 0; ts2 < 2; ++ts2) |
| for (uint8_t ts3 = 0; ts3 < 2; ++ts3) |
| for (uint8_t ts4 = 0; ts4 < 2; ++ts4) |
| for (uint8_t ts5 = 0; ts5 < 2; ++ts5) |
| for (uint8_t ts6 = 0; ts6 < 2; ++ts6) |
| for (uint8_t ts7 = 0; ts7 < 2; ++ts7) |
| for (int ms_class = 0; ms_class < 30; ++ms_class) |
| test_alloc_b(ts0, ts1, ts2, ts3, ts4, ts5, ts6, ts7, ms_class); |
| } |
| |
| static void test_alloc_b() |
| { |
| for (int i = 0; i < 30; ++i) |
| test_alloc_b(i); |
| |
| test_all_alloc_b(); |
| } |
| |
| typedef int (*algo_t)(struct gprs_rlcmac_bts *bts, |
| struct GprsMs *ms, |
| struct gprs_rlcmac_tbf *tbf, uint32_t cust, uint8_t single, |
| int use_trx); |
| |
| static char get_dir_char(uint8_t mask, uint8_t tx, uint8_t rx) |
| { |
| return (mask & tx & rx) ? 'C' : |
| (mask & tx) ? 'U' : |
| (mask & rx) ? 'D' : |
| '.'; |
| } |
| |
| enum test_mode { |
| TEST_MODE_UL_ONLY, |
| TEST_MODE_DL_ONLY, |
| TEST_MODE_UL_AND_DL, |
| TEST_MODE_DL_AND_UL, |
| TEST_MODE_DL_AFTER_UL, |
| TEST_MODE_UL_AFTER_DL, |
| }; |
| |
| static GprsMs *alloc_tbfs(BTS *the_bts, GprsMs *ms, unsigned ms_class, |
| enum test_mode mode) |
| { |
| struct gprs_rlcmac_bts *bts; |
| uint8_t trx_no = -1; |
| |
| bts = the_bts->bts_data(); |
| |
| gprs_rlcmac_tbf *tbf = NULL; |
| |
| if (ms && ms->current_trx()) |
| trx_no = ms->current_trx()->trx_no; |
| |
| GprsMs::Guard guard1(ms); |
| |
| /* Allocate what is needed first */ |
| switch (mode) { |
| case TEST_MODE_UL_ONLY: |
| case TEST_MODE_DL_AFTER_UL: |
| case TEST_MODE_UL_AND_DL: |
| if (ms && ms->ul_tbf()) |
| tbf_free(ms->ul_tbf()); |
| tbf = tbf_alloc_ul_tbf(bts, ms, trx_no, ms_class, 0); |
| if (tbf == NULL) |
| return NULL; |
| break; |
| case TEST_MODE_DL_ONLY: |
| case TEST_MODE_UL_AFTER_DL: |
| case TEST_MODE_DL_AND_UL: |
| if (ms && ms->dl_tbf()) |
| tbf_free(ms->dl_tbf()); |
| tbf = tbf_alloc_dl_tbf(bts, ms, trx_no, ms_class, 0); |
| if (tbf == NULL) |
| return NULL; |
| } |
| |
| OSMO_ASSERT(tbf); |
| OSMO_ASSERT(tbf->ms()); |
| OSMO_ASSERT(ms == NULL || ms == tbf->ms()); |
| ms = tbf->ms(); |
| |
| GprsMs::Guard guard2(ms); |
| |
| /* Continue with what is needed next */ |
| switch (mode) { |
| case TEST_MODE_UL_ONLY: |
| case TEST_MODE_DL_ONLY: |
| /* We are done */ |
| break; |
| |
| case TEST_MODE_DL_AFTER_UL: |
| case TEST_MODE_UL_AND_DL: |
| ms = alloc_tbfs(the_bts, ms, ms_class, TEST_MODE_DL_ONLY); |
| break; |
| |
| case TEST_MODE_UL_AFTER_DL: |
| case TEST_MODE_DL_AND_UL: |
| ms = alloc_tbfs(the_bts, ms, ms_class, TEST_MODE_UL_ONLY); |
| break; |
| } |
| |
| /* Optionally delete the TBF */ |
| switch (mode) { |
| case TEST_MODE_DL_AFTER_UL: |
| case TEST_MODE_UL_AFTER_DL: |
| tbf_free(tbf); |
| break; |
| |
| default: |
| break; |
| } |
| |
| return guard2.is_idle() ? NULL : ms; |
| } |
| |
| static unsigned alloc_many_tbfs(BTS *the_bts, unsigned min_class, |
| unsigned max_class, enum test_mode mode) |
| { |
| unsigned counter; |
| unsigned ms_class = min_class; |
| |
| for (counter = 0; 1; counter += 1) { |
| gprs_rlcmac_tbf *ul_tbf, *dl_tbf; |
| uint8_t ul_slots = 0; |
| uint8_t dl_slots = 0; |
| unsigned i; |
| int tfi = -1; |
| int tfi2; |
| uint8_t trx2; |
| GprsMs *ms; |
| enum gprs_rlcmac_tbf_direction dir; |
| uint32_t tlli = counter + 0xc0000000; |
| |
| ms = the_bts->ms_by_tlli(tlli); |
| |
| ms = alloc_tbfs(the_bts, ms, ms_class, mode); |
| if (!ms) |
| break; |
| |
| ms->set_tlli(tlli); |
| |
| ul_tbf = ms->ul_tbf(); |
| dl_tbf = ms->dl_tbf(); |
| |
| if (ul_tbf) { |
| ul_slots = 1 << ul_tbf->first_common_ts; |
| tfi = ul_tbf->tfi(); |
| dir = GPRS_RLCMAC_UL_TBF; |
| } else if (dl_tbf) { |
| ul_slots = 1 << dl_tbf->first_common_ts; |
| tfi = dl_tbf->tfi(); |
| dir = GPRS_RLCMAC_DL_TBF; |
| } |
| |
| for (i = 0; dl_tbf && i < ARRAY_SIZE(dl_tbf->pdch); i += 1) |
| if (dl_tbf->pdch[i]) |
| dl_slots |= 1 << i; |
| |
| printf(" TBF[%d] class %d reserves %c%c%c%c%c%c%c%c\n", |
| tfi, ms_class, |
| get_dir_char(0x01, ul_slots, dl_slots), |
| get_dir_char(0x02, ul_slots, dl_slots), |
| get_dir_char(0x04, ul_slots, dl_slots), |
| get_dir_char(0x08, ul_slots, dl_slots), |
| get_dir_char(0x10, ul_slots, dl_slots), |
| get_dir_char(0x20, ul_slots, dl_slots), |
| get_dir_char(0x40, ul_slots, dl_slots), |
| get_dir_char(0x80, ul_slots, dl_slots)); |
| |
| if (tfi >= 0) { |
| OSMO_ASSERT(ms->current_trx()); |
| tfi2 = the_bts->tfi_find_free(dir, &trx2, |
| ms->current_trx()->trx_no); |
| OSMO_ASSERT(tfi != tfi2); |
| OSMO_ASSERT(trx2 == ms->current_trx()->trx_no); |
| } |
| |
| ms_class += 1; |
| if (ms_class > max_class) |
| ms_class = min_class; |
| } |
| |
| return counter; |
| } |
| |
| static void test_successive_allocation(algo_t algo, unsigned min_class, |
| unsigned max_class, enum test_mode mode, |
| unsigned expect_num, const char *text) |
| { |
| BTS the_bts; |
| struct gprs_rlcmac_bts *bts; |
| struct gprs_rlcmac_trx *trx; |
| unsigned counter; |
| |
| printf("Going to test assignment with many TBF, %s\n", text); |
| |
| bts = the_bts.bts_data(); |
| bts->alloc_algorithm = algo; |
| |
| trx = &bts->trx[0]; |
| trx->pdch[3].enable(); |
| trx->pdch[4].enable(); |
| trx->pdch[5].enable(); |
| trx->pdch[6].enable(); |
| trx->pdch[7].enable(); |
| |
| counter = alloc_many_tbfs(&the_bts, min_class, max_class, mode); |
| |
| printf(" Successfully allocated %d UL TBFs\n", counter); |
| OSMO_ASSERT(counter == expect_num); |
| |
| check_tfi_usage(&the_bts); |
| } |
| |
| static void test_many_connections(algo_t algo, unsigned expect_num, |
| const char *text) |
| { |
| BTS the_bts; |
| struct gprs_rlcmac_bts *bts; |
| struct gprs_rlcmac_trx *trx; |
| int counter1, counter2 = -1; |
| unsigned i; |
| enum test_mode mode_seq[] = { |
| TEST_MODE_DL_AFTER_UL, |
| TEST_MODE_UL_ONLY, |
| TEST_MODE_DL_AFTER_UL, |
| TEST_MODE_DL_ONLY, |
| }; |
| |
| printf("Going to test assignment with many connections, %s\n", text); |
| |
| bts = the_bts.bts_data(); |
| bts->alloc_algorithm = algo; |
| |
| trx = &bts->trx[0]; |
| trx->pdch[3].enable(); |
| trx->pdch[4].enable(); |
| trx->pdch[5].enable(); |
| trx->pdch[6].enable(); |
| trx->pdch[7].enable(); |
| |
| for (i = 0; i < ARRAY_SIZE(mode_seq); i += 1) { |
| counter1 = alloc_many_tbfs(&the_bts, 1, 29, mode_seq[i]); |
| fprintf(stderr, " Allocated %d TBFs (previously %d)\n", |
| counter1, counter2); |
| |
| check_tfi_usage(&the_bts); |
| |
| /* This will stop earlier due to USF shortage */ |
| if (mode_seq[i] == TEST_MODE_UL_ONLY) |
| continue; |
| |
| if (counter2 >= 0) |
| OSMO_ASSERT(counter1 >= counter2); |
| |
| counter2 = counter1; |
| } |
| |
| printf(" Successfully allocated %d TBFs\n", counter1); |
| |
| OSMO_ASSERT(expect_num == (unsigned)counter1); |
| } |
| |
| static void test_successive_allocation() |
| { |
| test_successive_allocation(alloc_algorithm_a, 1, 1, TEST_MODE_UL_AND_DL, |
| 35, "algorithm A (UL and DL)"); |
| test_successive_allocation(alloc_algorithm_b, 10, 10, TEST_MODE_UL_AND_DL, |
| 32, "algorithm B class 10 (UL and DL)"); |
| test_successive_allocation(alloc_algorithm_b, 12, 12, TEST_MODE_UL_AND_DL, |
| 32, "algorithm B class 12 (UL and DL)"); |
| test_successive_allocation(alloc_algorithm_b, 1, 12, TEST_MODE_UL_AND_DL, |
| 32, "algorithm B class 1-12 (UL and DL)"); |
| test_successive_allocation(alloc_algorithm_b, 1, 29, TEST_MODE_UL_AND_DL, |
| 32, "algorithm B class 1-29 (UL and DL)"); |
| |
| test_successive_allocation(alloc_algorithm_a, 1, 1, TEST_MODE_DL_AND_UL, |
| 35, "algorithm A (DL and UL)"); |
| test_successive_allocation(alloc_algorithm_b, 10, 10, TEST_MODE_DL_AND_UL, |
| 32, "algorithm B class 10 (DL and UL)"); |
| |
| test_successive_allocation(alloc_algorithm_a, 1, 1, TEST_MODE_DL_AFTER_UL, |
| 160, "algorithm A (DL after UL)"); |
| test_successive_allocation(alloc_algorithm_b, 10, 10, TEST_MODE_DL_AFTER_UL, |
| 32, "algorithm B class 10 (DL after UL)"); |
| |
| test_successive_allocation(alloc_algorithm_a, 1, 1, TEST_MODE_UL_AFTER_DL, |
| 35, "algorithm A (UL after DL)"); |
| test_successive_allocation(alloc_algorithm_b, 10, 10, TEST_MODE_UL_AFTER_DL, |
| 32, "algorithm B class 10 (UL after DL)"); |
| |
| test_successive_allocation(alloc_algorithm_a, 1, 1, TEST_MODE_UL_ONLY, |
| 35, "algorithm A (UL only)"); |
| test_successive_allocation(alloc_algorithm_b, 10, 10, TEST_MODE_UL_ONLY, |
| 32, "algorithm B class 10 (UL only)"); |
| |
| test_successive_allocation(alloc_algorithm_a, 1, 1, TEST_MODE_DL_ONLY, |
| 160, "algorithm A (DL ONLY)"); |
| test_successive_allocation(alloc_algorithm_b, 10, 10, TEST_MODE_DL_ONLY, |
| 32, "algorithm B class 10 (DL ONLY)"); |
| } |
| |
| static void test_many_connections() |
| { |
| test_many_connections(alloc_algorithm_a, 160, "algorithm A"); |
| test_many_connections(alloc_algorithm_b, 32, "algorithm B"); |
| } |
| |
| int main(int argc, char **argv) |
| { |
| tall_pcu_ctx = talloc_named_const(NULL, 1, "moiji-mobile AllocTest context"); |
| if (!tall_pcu_ctx) |
| abort(); |
| |
| msgb_set_talloc_ctx(tall_pcu_ctx); |
| osmo_init_logging(&gprs_log_info); |
| log_set_use_color(osmo_stderr_target, 0); |
| log_set_print_filename(osmo_stderr_target, 0); |
| if (getenv("LOGL_DEBUG")) |
| log_set_log_level(osmo_stderr_target, LOGL_DEBUG); |
| |
| test_alloc_a(); |
| test_alloc_b(); |
| test_successive_allocation(); |
| test_many_connections(); |
| 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(); } |
| } |