From 2cbe80b53e54b1ca832b2b30722ffacfa92f6117 Mon Sep 17 00:00:00 2001 From: Jacob Erlbeck Date: Wed, 25 Mar 2015 10:48:52 +0100 Subject: tbf/test: Add test for delayed release This tests checks the implementation of the delayed release of an downlink TBF. Ticket: #556 Sponsored-by: On-Waves ehf --- tests/tbf/TbfTest.cpp | 75 ++++++++++++++++++ tests/tbf/TbfTest.err | 216 ++++++++++++++++++++++++++++++++++++++++++++++++++ tests/tbf/TbfTest.ok | 2 + 3 files changed, 293 insertions(+) diff --git a/tests/tbf/TbfTest.cpp b/tests/tbf/TbfTest.cpp index a5effd38..c3230809 100644 --- a/tests/tbf/TbfTest.cpp +++ b/tests/tbf/TbfTest.cpp @@ -23,6 +23,7 @@ #include "bts.h" #include "tbf.h" #include "gprs_debug.h" +#include "pcu_utils.h" extern "C" { #include @@ -213,6 +214,79 @@ static void test_tbf_final_ack(enum test_tbf_final_ack_mode test_mode) } } +static void test_tbf_delayed_release() +{ + BTS the_bts; + gprs_rlcmac_bts *bts; + uint8_t ts_no = 4; + unsigned i; + uint8_t ms_class = 45; + uint32_t fn = 0; + uint8_t block_nr = 0; + uint8_t trx_no; + + uint8_t rbb[64/8]; + + gprs_rlcmac_dl_tbf *dl_tbf; + + printf("=== start %s ===\n", __func__); + + bts = the_bts.bts_data(); + + setup_bts(&the_bts, ts_no); + bts->dl_tbf_idle_msec = 200; + + dl_tbf = create_dl_tbf(&the_bts, ms_class, &trx_no); + + for (i = 0; i < sizeof(llc_data); i++) + llc_data[i] = i%256; + + OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_FLOW)); + + /* Schedule two LLC frames */ + dl_tbf->append_data(ms_class, 1000, llc_data, sizeof(llc_data)); + dl_tbf->append_data(ms_class, 1000, llc_data, sizeof(llc_data)); + + OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_FLOW)); + + /* Drain the queue */ + while (dl_tbf->have_data()) + /* Request to send one RLC/MAC block */ + send_rlc_block(bts, trx_no, ts_no, 0, &fn, &block_nr); + + OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_FLOW)); + + /* ACK all blocks */ + memset(rbb, 0xff, sizeof(rbb)); + /* Receive an ACK */ + dl_tbf->rcvd_dl_ack(0, dl_tbf->m_window.v_s(), rbb); + OSMO_ASSERT(dl_tbf->m_window.window_empty()); + + /* Force sending of a single block containing an LLC dummy command */ + send_rlc_block(bts, trx_no, ts_no, 0, &fn, &block_nr); + + /* Receive an ACK */ + dl_tbf->rcvd_dl_ack(0, dl_tbf->m_window.v_s(), rbb); + OSMO_ASSERT(dl_tbf->m_window.window_empty()); + + /* Timeout (make sure fn % 52 remains valid) */ + fn += 52 * ((msecs_to_frames(bts->dl_tbf_idle_msec + 100) + 51)/ 52); + send_rlc_block(bts, trx_no, ts_no, 0, &fn, &block_nr); + + OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_FINISHED)); + + /* Receive a final ACK */ + dl_tbf->rcvd_dl_ack(1, dl_tbf->m_window.v_s(), rbb); + + /* Clean up and ensure tbfs are in the correct state */ + OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_WAIT_RELEASE)); + OSMO_ASSERT(dl_tbf->new_tbf() == dl_tbf); + dl_tbf->dl_ass_state = GPRS_RLCMAC_DL_ASS_NONE; + check_tbf(dl_tbf); + tbf_free(dl_tbf); + printf("=== end %s ===\n", __func__); +} + static const struct log_info_cat default_categories[] = { {"DCSN1", "\033[1;31m", "Concrete Syntax Notation One (CSN1)", LOGL_INFO, 0}, {"DL1IF", "\033[1;32m", "GPRS PCU L1 interface (L1IF)", LOGL_DEBUG, 1}, @@ -252,6 +326,7 @@ int main(int argc, char **argv) test_tbf_tlli_update(); test_tbf_final_ack(TEST_MODE_STANDARD); test_tbf_final_ack(TEST_MODE_REVERSE_FREE); + test_tbf_delayed_release(); return EXIT_SUCCESS; } diff --git a/tests/tbf/TbfTest.err b/tests/tbf/TbfTest.err index b8aa0af8..b6b6748f 100644 --- a/tests/tbf/TbfTest.err +++ b/tests/tbf/TbfTest.err @@ -143,3 +143,219 @@ TBF(TFI=1 TLLI=0x00000000 DIR=DL STATE=ASSIGN) Old TBF TBF(TFI=0 TLLI=0x00000000 DL packet loss of IMSI= / TLLI=0x00000000: 0% TBF(TFI=0 TLLI=0x00000000 DIR=DL STATE=WAIT RELEASE) free ********** TBF ends here ********** +Searching for first unallocated TFI: TRX=0 first TS=4 + Found TFI=0. +********** TBF starts here ********** +Allocating DL TBF: TFI=0 TRX=0 MS_CLASS=45 +Slot Allocation (Algorithm A) for class 45 +- Skipping TS 0, because not enabled +- Skipping TS 1, because not enabled +- Skipping TS 2, because not enabled +- Skipping TS 3, because not enabled +- Assign downlink TS=4 +- Setting Control TS 4 +TBF(TFI=0 TLLI=0x00000000 DIR=DL STATE=NULL) changes state from NULL to FLOW +TBF(TFI=0 TLLI=0x00000000 DIR=DL STATE=FLOW) append +TBF(TFI=0 TLLI=0x00000000 DIR=DL STATE=FLOW) append +TBF(TFI=0 TLLI=0x00000000 DIR=DL STATE=FLOW) start Packet Downlink Assignment (PACCH) ++++++++++++++++++++++++++ TX : Packet Downlink Assignment +++++++++++++++++++++++++ +------------------------- TX : Packet Downlink Assignment ------------------------- +Scheduling control message at RTS for TBF(TFI=0 TLLI=0x00000000 DIR=DL STATE=FLOW) (TRX=0, TS=4) +Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=0 block=0 data=4f 08 20 00 44 02 00 02 08 04 00 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b +Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) +TBF(TFI=0 TLLI=0x00000000 DIR=DL STATE=FLOW) downlink (V(A)==0 .. V(S)==0) +- Sending new block at BSN 0 +-- Chunk with length 200 larger than space (20) left in block: copy only remaining space, and we are done +data block: 07 00 01 00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f 10 11 12 13 +Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=4 block=1 data=07 00 01 00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f 10 11 12 13 +Received RTS for PDCH: TRX=0 TS=4 FN=8 block_nr=2 scheduling free USF for polling at FN=13 of TBF(TFI=0 TLLI=0x00000000 DIR=DL STATE=FLOW) +Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) +TBF(TFI=0 TLLI=0x00000000 DIR=DL STATE=FLOW) downlink (V(A)==0 .. V(S)==1) +- Sending new block at BSN 1 +-- Chunk with length 180 larger than space (20) left in block: copy only remaining space, and we are done +data block: 07 00 03 14 15 16 17 18 19 1a 1b 1c 1d 1e 1f 20 21 22 23 24 25 26 27 +Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=8 block=2 data=07 00 03 14 15 16 17 18 19 1a 1b 1c 1d 1e 1f 20 21 22 23 24 25 26 27 +Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) +TBF(TFI=0 TLLI=0x00000000 DIR=DL STATE=FLOW) downlink (V(A)==0 .. V(S)==2) +- Sending new block at BSN 2 +-- Chunk with length 160 larger than space (20) left in block: copy only remaining space, and we are done +data block: 07 00 05 28 29 2a 2b 2c 2d 2e 2f 30 31 32 33 34 35 36 37 38 39 3a 3b +Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=13 block=3 data=07 00 05 28 29 2a 2b 2c 2d 2e 2f 30 31 32 33 34 35 36 37 38 39 3a 3b +Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) +TBF(TFI=0 TLLI=0x00000000 DIR=DL STATE=FLOW) downlink (V(A)==0 .. V(S)==3) +- Sending new block at BSN 3 +-- Chunk with length 140 larger than space (20) left in block: copy only remaining space, and we are done +data block: 07 00 07 3c 3d 3e 3f 40 41 42 43 44 45 46 47 48 49 4a 4b 4c 4d 4e 4f +Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=17 block=4 data=07 00 07 3c 3d 3e 3f 40 41 42 43 44 45 46 47 48 49 4a 4b 4c 4d 4e 4f +Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) +TBF(TFI=0 TLLI=0x00000000 DIR=DL STATE=FLOW) downlink (V(A)==0 .. V(S)==4) +- Sending new block at BSN 4 +-- Chunk with length 120 larger than space (20) left in block: copy only remaining space, and we are done +data block: 07 00 09 50 51 52 53 54 55 56 57 58 59 5a 5b 5c 5d 5e 5f 60 61 62 63 +Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=21 block=5 data=07 00 09 50 51 52 53 54 55 56 57 58 59 5a 5b 5c 5d 5e 5f 60 61 62 63 +Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) +TBF(TFI=0 TLLI=0x00000000 DIR=DL STATE=FLOW) downlink (V(A)==0 .. V(S)==5) +- Sending new block at BSN 5 +-- Chunk with length 100 larger than space (20) left in block: copy only remaining space, and we are done +data block: 07 00 0b 64 65 66 67 68 69 6a 6b 6c 6d 6e 6f 70 71 72 73 74 75 76 77 +Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=26 block=6 data=07 00 0b 64 65 66 67 68 69 6a 6b 6c 6d 6e 6f 70 71 72 73 74 75 76 77 +Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) +TBF(TFI=0 TLLI=0x00000000 DIR=DL STATE=FLOW) downlink (V(A)==0 .. V(S)==6) +- Sending new block at BSN 6 +-- Chunk with length 80 larger than space (20) left in block: copy only remaining space, and we are done +data block: 07 00 0d 78 79 7a 7b 7c 7d 7e 7f 80 81 82 83 84 85 86 87 88 89 8a 8b +Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=30 block=7 data=07 00 0d 78 79 7a 7b 7c 7d 7e 7f 80 81 82 83 84 85 86 87 88 89 8a 8b +Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) +TBF(TFI=0 TLLI=0x00000000 DIR=DL STATE=FLOW) downlink (V(A)==0 .. V(S)==7) +- Sending new block at BSN 7 +-- Chunk with length 60 larger than space (20) left in block: copy only remaining space, and we are done +data block: 07 00 0f 8c 8d 8e 8f 90 91 92 93 94 95 96 97 98 99 9a 9b 9c 9d 9e 9f +Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=34 block=8 data=07 00 0f 8c 8d 8e 8f 90 91 92 93 94 95 96 97 98 99 9a 9b 9c 9d 9e 9f +Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) +TBF(TFI=0 TLLI=0x00000000 DIR=DL STATE=FLOW) downlink (V(A)==0 .. V(S)==8) +- Sending new block at BSN 8 +-- Chunk with length 40 larger than space (20) left in block: copy only remaining space, and we are done +data block: 07 00 11 a0 a1 a2 a3 a4 a5 a6 a7 a8 a9 aa ab ac ad ae af b0 b1 b2 b3 +Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=39 block=9 data=07 00 11 a0 a1 a2 a3 a4 a5 a6 a7 a8 a9 aa ab ac ad ae af b0 b1 b2 b3 +Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) +TBF(TFI=0 TLLI=0x00000000 DIR=DL STATE=FLOW) downlink (V(A)==0 .. V(S)==9) +- Sending new block at BSN 9 +-- Chunk with length 20 would exactly fit into space (20): add length header with LI=0, to make frame extend to next block, and we are done +data block: 07 00 12 01 b4 b5 b6 b7 b8 b9 ba bb bc bd be bf c0 c1 c2 c3 c4 c5 c6 +Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=43 block=10 data=07 00 12 01 b4 b5 b6 b7 b8 b9 ba bb bc bd be bf c0 c1 c2 c3 c4 c5 c6 +Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) +TBF(TFI=0 TLLI=0x00000000 DIR=DL STATE=FLOW) downlink (V(A)==0 .. V(S)==10) +- Sending new block at BSN 10 +-- Chunk with length 1 is less than remaining space (20): add length header to to delimit LLC frame +Complete DL frame for TBF(TFI=0 TLLI=0x00000000 DIR=DL STATE=FLOW)len=200 +- Dequeue next LLC for TBF(TFI=0 TLLI=0x00000000 DIR=DL STATE=FLOW) (len=200) +-- Chunk with length 200 larger than space (18) left in block: copy only remaining space, and we are done +data block: 07 00 14 07 c7 00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f 10 11 +Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=47 block=11 data=07 00 14 07 c7 00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f 10 11 +Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) +TBF(TFI=0 TLLI=0x00000000 DIR=DL STATE=FLOW) downlink (V(A)==0 .. V(S)==11) +- Sending new block at BSN 11 +-- Chunk with length 182 larger than space (20) left in block: copy only remaining space, and we are done +data block: 07 00 17 12 13 14 15 16 17 18 19 1a 1b 1c 1d 1e 1f 20 21 22 23 24 25 +Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=52 block=12 data=07 00 17 12 13 14 15 16 17 18 19 1a 1b 1c 1d 1e 1f 20 21 22 23 24 25 +Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) +TBF(TFI=0 TLLI=0x00000000 DIR=DL STATE=FLOW) downlink (V(A)==0 .. V(S)==12) +- Sending new block at BSN 12 +-- Chunk with length 162 larger than space (20) left in block: copy only remaining space, and we are done +data block: 07 00 19 26 27 28 29 2a 2b 2c 2d 2e 2f 30 31 32 33 34 35 36 37 38 39 +Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=56 block=13 data=07 00 19 26 27 28 29 2a 2b 2c 2d 2e 2f 30 31 32 33 34 35 36 37 38 39 +Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) +TBF(TFI=0 TLLI=0x00000000 DIR=DL STATE=FLOW) downlink (V(A)==0 .. V(S)==13) +- Sending new block at BSN 13 +-- Chunk with length 142 larger than space (20) left in block: copy only remaining space, and we are done +data block: 07 00 1b 3a 3b 3c 3d 3e 3f 40 41 42 43 44 45 46 47 48 49 4a 4b 4c 4d +Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=60 block=14 data=07 00 1b 3a 3b 3c 3d 3e 3f 40 41 42 43 44 45 46 47 48 49 4a 4b 4c 4d +Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) +TBF(TFI=0 TLLI=0x00000000 DIR=DL STATE=FLOW) downlink (V(A)==0 .. V(S)==14) +- Sending new block at BSN 14 +-- Chunk with length 122 larger than space (20) left in block: copy only remaining space, and we are done +data block: 07 00 1d 4e 4f 50 51 52 53 54 55 56 57 58 59 5a 5b 5c 5d 5e 5f 60 61 +Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=65 block=15 data=07 00 1d 4e 4f 50 51 52 53 54 55 56 57 58 59 5a 5b 5c 5d 5e 5f 60 61 +Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) +TBF(TFI=0 TLLI=0x00000000 DIR=DL STATE=FLOW) downlink (V(A)==0 .. V(S)==15) +- Sending new block at BSN 15 +-- Chunk with length 102 larger than space (20) left in block: copy only remaining space, and we are done +data block: 07 00 1f 62 63 64 65 66 67 68 69 6a 6b 6c 6d 6e 6f 70 71 72 73 74 75 +Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=69 block=16 data=07 00 1f 62 63 64 65 66 67 68 69 6a 6b 6c 6d 6e 6f 70 71 72 73 74 75 +Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) +TBF(TFI=0 TLLI=0x00000000 DIR=DL STATE=FLOW) downlink (V(A)==0 .. V(S)==16) +- Sending new block at BSN 16 +-- Chunk with length 82 larger than space (20) left in block: copy only remaining space, and we are done +data block: 07 00 21 76 77 78 79 7a 7b 7c 7d 7e 7f 80 81 82 83 84 85 86 87 88 89 +Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=73 block=17 data=07 00 21 76 77 78 79 7a 7b 7c 7d 7e 7f 80 81 82 83 84 85 86 87 88 89 +Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) +TBF(TFI=0 TLLI=0x00000000 DIR=DL STATE=FLOW) downlink (V(A)==0 .. V(S)==17) +- Sending new block at BSN 17 +-- Chunk with length 62 larger than space (20) left in block: copy only remaining space, and we are done +data block: 07 00 23 8a 8b 8c 8d 8e 8f 90 91 92 93 94 95 96 97 98 99 9a 9b 9c 9d +Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=78 block=18 data=07 00 23 8a 8b 8c 8d 8e 8f 90 91 92 93 94 95 96 97 98 99 9a 9b 9c 9d +Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) +TBF(TFI=0 TLLI=0x00000000 DIR=DL STATE=FLOW) downlink (V(A)==0 .. V(S)==18) +- Sending new block at BSN 18 +-- Chunk with length 42 larger than space (20) left in block: copy only remaining space, and we are done +data block: 07 00 25 9e 9f a0 a1 a2 a3 a4 a5 a6 a7 a8 a9 aa ab ac ad ae af b0 b1 +Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=82 block=19 data=07 00 25 9e 9f a0 a1 a2 a3 a4 a5 a6 a7 a8 a9 aa ab ac ad ae af b0 b1 +Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) +TBF(TFI=0 TLLI=0x00000000 DIR=DL STATE=FLOW) downlink (V(A)==0 .. V(S)==19) +- Sending new block at BSN 19 +-- Chunk with length 22 larger than space (20) left in block: copy only remaining space, and we are done +data block: 07 00 27 b2 b3 b4 b5 b6 b7 b8 b9 ba bb bc bd be bf c0 c1 c2 c3 c4 c5 +Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=86 block=20 data=07 00 27 b2 b3 b4 b5 b6 b7 b8 b9 ba bb bc bd be bf c0 c1 c2 c3 c4 c5 +Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) +TBF(TFI=0 TLLI=0x00000000 DIR=DL STATE=FLOW) downlink (V(A)==0 .. V(S)==20) +- Sending new block at BSN 20 +-- Chunk with length 2 is less than remaining space (20): add length header to to delimit LLC frame +Complete DL frame for TBF(TFI=0 TLLI=0x00000000 DIR=DL STATE=FLOW)len=200 +-- Empty chunk, added LLC dummy command of size 16, drained_since=0 +-- Chunk with length 16 is less than remaining space (17): add length header to to delimit LLC frame +Complete DL frame for TBF(TFI=0 TLLI=0x00000000 DIR=DL STATE=FLOW)len=16 +-- No space left, so we are done. +data block: 07 00 28 0a 41 c6 c7 43 c0 01 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b +- Scheduling Ack/Nack polling, because is was requested explicitly (e.g. first final block sent). +Polling is already sheduled for TBF(TFI=0 TLLI=0x00000000 DIR=DL STATE=FLOW), so we must wait for requesting downlink ack +Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=91 block=21 data=07 00 28 0a 41 c6 c7 43 c0 01 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b +TBF(TFI=0 TLLI=0x00000000 DIR=DL STATE=FLOW) downlink acknowledge +- ack: (BSN=85)"RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR"(BSN=20) R=ACK I=NACK +- got ack for BSN=20 +- got ack for BSN=19 +- got ack for BSN=18 +- got ack for BSN=17 +- got ack for BSN=16 +- got ack for BSN=15 +- got ack for BSN=14 +- got ack for BSN=13 +- got ack for BSN=12 +- got ack for BSN=11 +- got ack for BSN=10 +- got ack for BSN=9 +- got ack for BSN=8 +- got ack for BSN=7 +- got ack for BSN=6 +- got ack for BSN=5 +- got ack for BSN=4 +- got ack for BSN=3 +- got ack for BSN=2 +- got ack for BSN=1 +- got ack for BSN=0 +- V(B): (V(A)=21)""(V(S)-1=20) A=Acked N=Nacked U=Unacked X=Resend-Unacked I=Invalid +Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) +TBF(TFI=0 TLLI=0x00000000 DIR=DL STATE=FLOW) downlink (V(A)==21 .. V(S)==21) +- Sending new block at BSN 21 +-- Empty chunk, added LLC dummy command of size 19, drained_since=4 +-- Chunk with length 19 is less than remaining space (20): add length header to to delimit LLC frame +Complete DL frame for TBF(TFI=0 TLLI=0x00000000 DIR=DL STATE=FLOW)len=19 +-- No space left, so we are done. +data block: 07 00 2a 4d 43 c0 01 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b +- Scheduling Ack/Nack polling, because is was requested explicitly (e.g. first final block sent). +Polling is already sheduled for TBF(TFI=0 TLLI=0x00000000 DIR=DL STATE=FLOW), so we must wait for requesting downlink ack +Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=95 block=22 data=07 00 2a 4d 43 c0 01 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b +TBF(TFI=0 TLLI=0x00000000 DIR=DL STATE=FLOW) downlink acknowledge +- ack: (BSN=86)"RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR"(BSN=21) R=ACK I=NACK +- got ack for BSN=21 +- V(B): (V(A)=22)""(V(S)-1=21) A=Acked N=Nacked U=Unacked X=Resend-Unacked I=Invalid +Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) +TBF(TFI=0 TLLI=0x00000000 DIR=DL STATE=FLOW) downlink (V(A)==22 .. V(S)==22) +- Sending new block at BSN 22 +-- Empty chunk, added LLC dummy command of size 19, drained_since=112 +-- Chunk with length 19 is less than remaining space (20): add length header to to delimit LLC frame +Complete DL frame for TBF(TFI=0 TLLI=0x00000000 DIR=DL STATE=FLOW)len=19 +-- Final block, so we done. +TBF(TFI=0 TLLI=0x00000000 DIR=DL STATE=FLOW) changes state from FLOW to FINISHED +data block: 07 01 2c 4d 43 c0 01 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b +- Scheduling Ack/Nack polling, because is was requested explicitly (e.g. first final block sent). +Polling is already sheduled for TBF(TFI=0 TLLI=0x00000000 DIR=DL STATE=FINISHED), so we must wait for requesting downlink ack +Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=203 block=23 data=07 01 2c 4d 43 c0 01 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b +TBF(TFI=0 TLLI=0x00000000 DIR=DL STATE=FINISHED) downlink acknowledge +- Final ACK received. +TBF(TFI=0 TLLI=0x00000000 DIR=DL STATE=FINISHED) changes state from FINISHED to WAIT RELEASE +- No new message, so we release. +TBF(TFI=0 TLLI=0x00000000 DIR=DL STATE=WAIT RELEASE) starting timer 3193. +DL packet loss of IMSI= / TLLI=0x00000000: 0% +TBF(TFI=0 TLLI=0x00000000 DIR=DL STATE=WAIT RELEASE) free +TBF(TFI=0 TLLI=0x00000000 DIR=DL STATE=WAIT RELEASE) stopping timer 3193. +********** TBF ends here ********** diff --git a/tests/tbf/TbfTest.ok b/tests/tbf/TbfTest.ok index e69de29b..13d14581 100644 --- a/tests/tbf/TbfTest.ok +++ b/tests/tbf/TbfTest.ok @@ -0,0 +1,2 @@ +=== start test_tbf_delayed_release === +=== end test_tbf_delayed_release === -- cgit v1.2.3