diff options
| -rw-r--r-- | tests/tbf/TbfTest.cpp | 24 | ||||
| -rw-r--r-- | tests/tbf/TbfTest.err | 66 |
2 files changed, 86 insertions, 4 deletions
diff --git a/tests/tbf/TbfTest.cpp b/tests/tbf/TbfTest.cpp index 08115206..5c41b53b 100644 --- a/tests/tbf/TbfTest.cpp +++ b/tests/tbf/TbfTest.cpp @@ -85,7 +85,12 @@ int pcu_sock_send(struct msgb *msg) return 0; } -static void test_tbf_final_ack() +enum test_tbf_final_ack_mode { + TEST_MODE_STANDARD, + TEST_MODE_REVERSE_FREE +}; + +static void test_tbf_final_ack(enum test_tbf_final_ack_mode test_mode) { BTS the_bts; gprs_rlcmac_bts *bts; @@ -147,8 +152,18 @@ static void test_tbf_final_ack() OSMO_ASSERT(new_tbf != dl_tbf); OSMO_ASSERT(new_tbf->tfi() == 1); dl_tbf->dl_ass_state = GPRS_RLCMAC_DL_ASS_NONE; - tbf_free(dl_tbf); - tbf_free(new_tbf); + if (test_mode == TEST_MODE_REVERSE_FREE) { + tbf_free(new_tbf); + if (dl_tbf->m_new_tbf == new_tbf) + fprintf(stderr, "dangling m_new_tbf pointer in dl_tbf " + "(known bug)\n"); + /* OSMO_ASSERT(dl_tbf->m_new_tbf != new_tbf); */ + tbf_free(dl_tbf); + } else { + tbf_free(dl_tbf); + OSMO_ASSERT(new_tbf->m_new_tbf != dl_tbf); + tbf_free(new_tbf); + } } static const struct log_info_cat default_categories[] = { @@ -188,7 +203,8 @@ int main(int argc, char **argv) log_set_print_filename(osmo_stderr_target, 0); test_tbf_tlli_update(); - test_tbf_final_ack(); + test_tbf_final_ack(TEST_MODE_STANDARD); + test_tbf_final_ack(TEST_MODE_REVERSE_FREE); return EXIT_SUCCESS; } diff --git a/tests/tbf/TbfTest.err b/tests/tbf/TbfTest.err index 054e93ca..9d9e5f76 100644 --- a/tests/tbf/TbfTest.err +++ b/tests/tbf/TbfTest.err @@ -80,3 +80,69 @@ TBF(TFI=0 TLLI=0x00000000 DIR=DL STATE=WAIT RELEASE) free TBF(TFI=1 TLLI=0x00000000 DIR=DL STATE=ASSIGN) free TBF(TFI=1 TLLI=0x00000000 DIR=DL STATE=ASSIGN) stopping timer 0. ********** 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 0 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=0 +- Dequeue next LLC for TBF(TFI=0 TLLI=0x00000000 DIR=DL STATE=FLOW) (len=200) +-- Chunk with length 200 larger than space (19) left in block: copy only remaining space, and we are done +data block: 07 00 00 03 00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f 10 11 12 +Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=1 block=0 data=07 00 00 03 00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f 10 11 12 +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 181 larger than space (20) left in block: copy only remaining space, and we are done +data block: 07 00 03 13 14 15 16 17 18 19 1a 1b 1c 1d 1e 1f 20 21 22 23 24 25 26 +Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=2 block=0 data=07 00 03 13 14 15 16 17 18 19 1a 1b 1c 1d 1e 1f 20 21 22 23 24 25 26 +TBF(TFI=0 TLLI=0x00000000 DIR=DL STATE=FLOW) downlink acknowledge +- Final ACK received. +TBF(TFI=0 TLLI=0x00000000 DIR=DL STATE=FLOW) changes state from FLOW to WAIT RELEASE +Searching for first unallocated TFI: TRX=0 first TS=4 + Found TFI=1. +********** TBF starts here ********** +Allocating DL TBF: TFI=1 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 update ********** +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 +TBF(TFI=0 TLLI=0x00000000 DIR=DL STATE=WAIT RELEASE) Trigger dowlink assignment on PACCH, because another LLC PDU has arrived in between +Send dowlink assignment on PACCH, because TBF(TFI=0 TLLI=0x00000000 DIR=DL STATE=WAIT RELEASE) exists +TBF(TFI=1 TLLI=0x00000000 DIR=DL STATE=NULL) changes state from NULL to ASSIGN +TBF(TFI=1 TLLI=0x00000000 DIR=DL STATE=ASSIGN) starting timer 0. +TBF(TFI=1 TLLI=0x00000000 DIR=DL STATE=ASSIGN) free +TBF(TFI=1 TLLI=0x00000000 DIR=DL STATE=ASSIGN) stopping timer 0. +********** TBF ends here ********** +dangling m_new_tbf pointer in dl_tbf (known bug) +DL packet loss of IMSI= / TLLI=0x00000000: 0% +TBF(TFI=0 TLLI=0x00000000 DIR=DL STATE=WAIT RELEASE) free +********** TBF ends here ********** |