diff --git a/src/rlcmac/rlcmac.c b/src/rlcmac/rlcmac.c index 46addeb..4023586 100644 --- a/src/rlcmac/rlcmac.c +++ b/src/rlcmac/rlcmac.c @@ -48,6 +48,7 @@ static struct osmo_tdef T_defs_rlcmac[] = { { .T=3166, .default_val=5, .unit = OSMO_TDEF_S, .desc="Wait for Packet Uplink ACK/NACK after sending of first data block (s)" }, /* T3168: dynamically updated with what's received in BCCH SI13 */ { .T=3168, .default_val=5000, .unit = OSMO_TDEF_MS, .desc="Wait for PACKET UPLINK ASSIGNMENT (updated by BCCH SI13) (ms)" }, + { .T=3182, .default_val=5, .unit = OSMO_TDEF_S, .desc="Wait for Acknowledgement (s)" }, { 0 } /* empty item at the end */ }; diff --git a/src/rlcmac/tbf_ul_fsm.c b/src/rlcmac/tbf_ul_fsm.c index 617ed2e..e49e6dc 100644 --- a/src/rlcmac/tbf_ul_fsm.c +++ b/src/rlcmac/tbf_ul_fsm.c @@ -91,6 +91,27 @@ static void reinit_pkt_acces_procedure(struct gprs_rlcmac_tbf_ul_fsm_ctx *ctx) gprs_rlcmac_ul_tbf_free(ctx->ul_tbf); } +/* 9.3.3.3.2: Upon each retransmission of the last block with CV=0, the mobile station shall restart timer T3182 for the TBF. +* Slight impl deviation from spec: If tbf is still in contention resolution, keep using T3166, otherwise start T3182 +*/ +static void arm_T3182_if_needed(struct gprs_rlcmac_tbf_ul_fsm_ctx *ctx) +{ + struct osmo_fsm_inst *fi = ctx->fi; + unsigned long val_sec; + + if (gprs_rlcmac_ul_tbf_in_contention_resolution(ctx->ul_tbf)) { + OSMO_ASSERT(fi->T == 3166); + OSMO_ASSERT(osmo_timer_pending(&fi->timer)); + } else { + OSMO_ASSERT(!osmo_timer_pending(&fi->timer) || + (osmo_timer_pending(&fi->timer) && fi->T == 3182)); + LOGPFSML(ctx->fi, LOGL_INFO, "Last UL block sent (CV=0), start T3182\n"); + fi->T = 3182; + val_sec = osmo_tdef_get(g_ctx->T_defs, fi->T, OSMO_TDEF_S, -1); + osmo_timer_schedule(&fi->timer, val_sec, 0); + } +} + /* This one is triggered when packet access procedure fails, which can happen * either in WAIT_IMM_ASS (ImmAss timeout), FLOW (T3164) or FINISHED (T3164, T3166) */ static void st_new_on_enter(struct osmo_fsm_inst *fi, uint32_t prev_state) @@ -164,6 +185,7 @@ static void st_flow(struct osmo_fsm_inst *fi, uint32_t event, void *data) * sent last data (FSM would be in FINISHED state then) */ break; case GPRS_RLCMAC_TBF_UL_EV_LAST_UL_DATA_SENT: + arm_T3182_if_needed(ctx); tbf_ul_fsm_state_chg(fi, GPRS_RLCMAC_TBF_UL_ST_FINISHED); break; default: @@ -187,6 +209,14 @@ static void st_finished(struct osmo_fsm_inst *fi, uint32_t event, void *data) OSMO_ASSERT(fi->T == 3166); osmo_timer_del(&fi->timer); fi->T = 0; + } else if (fi->T == 3182 && osmo_timer_pending(&fi->timer)) { + /* 9.3.3.3.2 "Upon reception of a PACKET UPLINK ACK/NACK message for this TBF + * the mobile station shall stop timer T3182 for the TBF". + * In our case we only use T3128 once we are out of contention resolution (T3166) + */ + LOGPFSML(ctx->fi, LOGL_DEBUG, "Rx Pkt UL ACK/NACK, stop T3182\n"); + osmo_timer_del(&fi->timer); + fi->T = 0; } if (ctx_ul_ack_nack->final_ack) { LOGPFSML(ctx->fi, LOGL_DEBUG, "Final ACK received\n"); @@ -201,6 +231,7 @@ static void st_finished(struct osmo_fsm_inst *fi, uint32_t event, void *data) */ ctx->last_data_block_retrans_attempts++; LOGPFSML(ctx->fi, LOGL_INFO, "Data block with CV=0 retransmit attempts=%u\n", ctx->last_data_block_retrans_attempts); + arm_T3182_if_needed(ctx); if (ctx->last_data_block_retrans_attempts == 4) { LOGPFSML(ctx->fi, LOGL_NOTICE, "TBF establishment failure (Data block with CV=0 retransmit attempts=%u)\n", ctx->last_data_block_retrans_attempts); @@ -306,6 +337,9 @@ static int tbf_ul_fsm_timer_cb(struct osmo_fsm_inst *fi) } reinit_pkt_acces_procedure(ctx); break; + case 3182: + gprs_rlcmac_ul_tbf_free(ctx->ul_tbf); + break; default: OSMO_ASSERT(0); } diff --git a/tests/rlcmac/rlcmac_prim_test.c b/tests/rlcmac/rlcmac_prim_test.c index 96cc6d9..02ee04c 100644 --- a/tests/rlcmac/rlcmac_prim_test.c +++ b/tests/rlcmac/rlcmac_prim_test.c @@ -709,6 +709,61 @@ static void test_ul_tbf_n3104_timeout(void) cleanup_test(); } +static void test_ul_tbf_t3182_timeout(void) +{ + struct osmo_gprs_rlcmac_prim *rlcmac_prim; + int rc; + + printf("=== %s start ===\n", __func__); + prepare_test(); + uint32_t tlli = 0x2342; + uint8_t ul_tfi = 0; + uint8_t ts_nr = 7; + uint8_t usf = 0; + uint32_t rts_fn = 4; + RlcMacDownlink_t dl_block; + Ack_Nack_Description_t *ack_desc = &dl_block.u.Packet_Uplink_Ack_Nack.u.PU_AckNack_GPRS_Struct.Ack_Nack_Description; + + /* Submit 14 bytes to fit in 1 RLCMAC block to shorten test and end up in FINISHED state quickly: */ + rlcmac_prim = osmo_gprs_rlcmac_prim_alloc_grr_unitdata_req(tlli, pdu_llc_gmm_att_req, + sizeof(pdu_llc_gmm_att_req)); + rlcmac_prim->grr.unitdata_req.sapi = OSMO_GPRS_RLCMAC_LLC_SAPI_GMM; + rc = osmo_gprs_rlcmac_prim_upper_down(rlcmac_prim); + + ccch_imm_ass_pkt_ul_tbf_normal[7] = last_rach_req_ra; /* Update RA to match */ + rlcmac_prim = osmo_gprs_rlcmac_prim_alloc_l1ctl_ccch_data_ind(0, ccch_imm_ass_pkt_ul_tbf_normal); + rc = osmo_gprs_rlcmac_prim_lower_up(rlcmac_prim); + OSMO_ASSERT(rc == 0); + + /* Trigger transmission of LLC data (GMM Attach) (first part) */ + rlcmac_prim = osmo_gprs_rlcmac_prim_alloc_l1ctl_pdch_rts_ind(ts_nr, rts_fn, usf); + rc = osmo_gprs_rlcmac_prim_lower_up(rlcmac_prim); + OSMO_ASSERT(rc == 0); + + /* PCU acks it: */ + ul_ack_nack_init(&dl_block, ul_tfi, GPRS_RLCMAC_CS_2); + ack_desc->STARTING_SEQUENCE_NUMBER = 1; + ack_desc->FINAL_ACK_INDICATION = 0; + ul_ack_nack_mark(ack_desc, 0, true); + rlcmac_prim = create_dl_ctrl_block(&dl_block, ts_nr, rts_fn); + rc = osmo_gprs_rlcmac_prim_lower_up(rlcmac_prim); + OSMO_ASSERT(rc == 0); + + /* Trigger transmission of LLC data (GMM Attach) (second part, CV=0) */ + rts_fn = fn_next_block(rts_fn); + rlcmac_prim = osmo_gprs_rlcmac_prim_alloc_l1ctl_pdch_rts_ind(ts_nr, rts_fn, usf); + rc = osmo_gprs_rlcmac_prim_lower_up(rlcmac_prim); + OSMO_ASSERT(rc == 0); + + /* increase time 5 seconds, timeout should trigger */ + clock_override_add(5, 0); + clock_debug("Expect T3182 timeout"); + osmo_select_main(0); + + printf("=== %s end ===\n", __func__); + cleanup_test(); +} + /* 9.3.3.3.2: The block with CV=0 shall not be retransmitted more than four times. */ static void test_ul_tbf_last_data_cv0_retrans_max(void) { @@ -840,6 +895,7 @@ int main(int argc, char *argv[]) test_ul_tbf_t3164_timeout(); test_ul_tbf_t3166_timeout(); test_ul_tbf_n3104_timeout(); + test_ul_tbf_t3182_timeout(); test_ul_tbf_last_data_cv0_retrans_max(); test_ul_tbf_request_another_ul_tbf(); test_dl_tbf_ccch_assign(); diff --git a/tests/rlcmac/rlcmac_prim_test.err b/tests/rlcmac/rlcmac_prim_test.err index 885e29b..5946e0a 100644 --- a/tests/rlcmac/rlcmac_prim_test.err +++ b/tests/rlcmac/rlcmac_prim_test.err @@ -430,6 +430,62 @@ DLGLOBAL DEBUG TBF(UL:NR-0:TLLI-00002342) Copying 1 RLC blocks, 1 BSNs DLGLOBAL DEBUG TBF(UL:NR-0:TLLI-00002342) Copying data unit 0 (BSN 1) DLGLOBAL DEBUG TBF(UL:NR-0:TLLI-00002342) msg block (BSN 1, CS-2): 00 00 02 1d 11 e5 10 00 e2 18 f2 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 00 DLGLOBAL INFO UL_TBF{FLOW}: Received Event LAST_UL_DATA_SENT +DLGLOBAL INFO UL_TBF{FLOW}: Last UL block sent (CV=0), start T3182 +DLGLOBAL INFO UL_TBF{FLOW}: state_chg to FINISHED +DLGLOBAL INFO UL_TBF{FINISHED}: Timeout of T3182 +DLGLOBAL INFO UL_TBF_ASS{IDLE}: Deallocated +DLGLOBAL INFO UL_TBF{FINISHED}: Deallocated +DLGLOBAL INFO Rx from upper layers: GRR-UNITDATA.request +DLGLOBAL INFO TLLI=0x00002342 not found, creating entity on the fly +DLGLOBAL INFO UL_TBF{NEW}: Allocated +DLGLOBAL INFO UL_TBF_ASS{IDLE}: Allocated +DLGLOBAL INFO UL_TBF_ASS{IDLE}: Received Event START +DLGLOBAL INFO UL_TBF{NEW}: Received Event UL_ASS_START +DLGLOBAL INFO UL_TBF{NEW}: state_chg to ASSIGN +DLGLOBAL INFO UL_TBF_ASS{IDLE}: Send RACH.req ra=0x7b +DLGLOBAL INFO UL_TBF_ASS{IDLE}: state_chg to WAIT_CCCH_IMM_ASS +DLGLOBAL INFO Rx from lower layers: L1CTL-CCCH_DATA.indication +DLGLOBAL INFO UL_TBF_ASS{WAIT_CCCH_IMM_ASS}: Received Event RX_CCCH_IMM_ASS +DLGLOBAL INFO UL_TBF_ASS{WAIT_CCCH_IMM_ASS}: ImmAss initial CS=CS-2 +DLGLOBAL INFO UL_TBF_ASS{WAIT_CCCH_IMM_ASS}: ImmAss DynamicAlloc (1phase access) ts_nr=7 usf=0 +DLGLOBAL INFO UL_TBF_ASS{WAIT_CCCH_IMM_ASS}: state_chg to COMPLETED +DLGLOBAL INFO UL_TBF{ASSIGN}: Received Event UL_ASS_COMPL +DLGLOBAL INFO UL_TBF{ASSIGN}: Send L1CTL-CF_UL_TBF.req ul_slotmask=0x80 +DLGLOBAL INFO UL_TBF{ASSIGN}: state_chg to FLOW +DLGLOBAL INFO UL_TBF_ASS{COMPLETED}: state_chg to IDLE +DLGLOBAL INFO Rx from lower layers: L1CTL-PDCH_RTS.indication +DLGLOBAL DEBUG TBF(UL:NR-0:TLLI-00002342) Sending new block at BSN 0, CS=CS-2 +DLGLOBAL DEBUG TBF(UL:NR-0:TLLI-00002342) Dequeue next LLC (len=33) +DLGLOBAL DEBUG -- Chunk with length 33 larger than space (26) left in block: copy only remaining space, and we are done +DLGLOBAL DEBUG TBF(UL:NR-0:TLLI-00002342) data block (BSN 0, CS-2): 00 00 23 42 01 c0 00 08 01 01 d5 71 00 00 08 29 26 24 00 00 00 00 71 62 f2 24 6c 84 44 04 +DLGLOBAL DEBUG TBF(UL:NR-0:TLLI-00002342) need_padding 0 spb_status 0 spb 0 (BSN1 0 BSN2 -1) +DLGLOBAL DEBUG TBF(UL:NR-0:TLLI-00002342) Copying 1 RLC blocks, 1 BSNs +DLGLOBAL DEBUG TBF(UL:NR-0:TLLI-00002342) Copying data unit 0 (BSN 0) +DLGLOBAL DEBUG TBF(UL:NR-0:TLLI-00002342) msg block (BSN 0, CS-2): 3c 00 01 00 00 23 42 01 c0 00 08 01 01 d5 71 00 00 08 29 26 24 00 00 00 00 71 62 f2 24 6c 84 44 04 00 +DLGLOBAL INFO UL_TBF{FLOW}: Received Event FIRST_UL_DATA_SENT +DLGLOBAL INFO UL_TBF{FLOW}: First UL block sent, stop T3164 +DLGLOBAL INFO UL_TBF{FLOW}: First UL block sent (1 phase access), start T3166 +DLGLOBAL DEBUG TBF(UL:NR-0:TLLI-00002342) N3104 inc (1) +DLGLOBAL INFO Rx from lower layers: L1CTL-PDCH_DATA.indication +DLGLOBAL INFO TS=7 FN=4 Rx Pkt UL ACK/NACK +DLGLOBAL DEBUG TBF(UL:NR-0:TLLI-00002342) Got GPRS UL ACK bitmap: SSN: 1, BSN 0 to 1 - 1 (1 blocks), "R" +DLGLOBAL DEBUG TBF(UL:NR-0:TLLI-00002342) ack: (BSN=0)"R"(BSN=0) R=ACK I=NACK +DLGLOBAL DEBUG - got ack for BSN=0 +DLGLOBAL DEBUG TBF(UL:NR-0:TLLI-00002342) V(B): (V(A)=1)""(V(S)-1=0) A=Acked N=Nacked U=Unacked X=Resend-Unacked I=Invalid +DLGLOBAL INFO UL_TBF{FLOW}: Received Event RX_UL_ACK_NACK +DLGLOBAL INFO UL_TBF{FLOW}: Contention resolution succeeded, stop T3166 +DLGLOBAL INFO Rx from lower layers: L1CTL-PDCH_RTS.indication +DLGLOBAL DEBUG TBF(UL:NR-0:TLLI-00002342) Sending new block at BSN 1, CS=CS-2 +DLGLOBAL DEBUG -- Chunk with length 7 is less than remaining space (30): add length header to delimit LLC frame +DLGLOBAL DEBUG -- Final block, so we done. +DLGLOBAL DEBUG TBF(UL:NR-0:TLLI-00002342) Complete UL frame, len=0 +DLGLOBAL DEBUG TBF(UL:NR-0:TLLI-00002342) data block (BSN 1, CS-2): 1d 11 e5 10 00 e2 18 f2 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b +DLGLOBAL DEBUG TBF(UL:NR-0:TLLI-00002342) need_padding 0 spb_status 0 spb 0 (BSN1 1 BSN2 -1) +DLGLOBAL DEBUG TBF(UL:NR-0:TLLI-00002342) Copying 1 RLC blocks, 1 BSNs +DLGLOBAL DEBUG TBF(UL:NR-0:TLLI-00002342) Copying data unit 0 (BSN 1) +DLGLOBAL DEBUG TBF(UL:NR-0:TLLI-00002342) msg block (BSN 1, CS-2): 00 00 02 1d 11 e5 10 00 e2 18 f2 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 00 +DLGLOBAL INFO UL_TBF{FLOW}: Received Event LAST_UL_DATA_SENT +DLGLOBAL INFO UL_TBF{FLOW}: Last UL block sent (CV=0), start T3182 DLGLOBAL INFO UL_TBF{FLOW}: state_chg to FINISHED DLGLOBAL INFO Rx from lower layers: L1CTL-PDCH_RTS.indication DLGLOBAL DEBUG TBF(UL:NR-0:TLLI-00002342) Restarting at BSN 1, because all blocks have been transmitted. @@ -440,6 +496,7 @@ DLGLOBAL DEBUG TBF(UL:NR-0:TLLI-00002342) Copying data unit 0 (BSN 1) DLGLOBAL DEBUG TBF(UL:NR-0:TLLI-00002342) msg block (BSN 1, CS-2): 00 00 02 1d 11 e5 10 00 e2 18 f2 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 00 DLGLOBAL INFO UL_TBF{FINISHED}: Received Event LAST_UL_DATA_SENT DLGLOBAL INFO UL_TBF{FINISHED}: Data block with CV=0 retransmit attempts=1 +DLGLOBAL INFO UL_TBF{FINISHED}: Last UL block sent (CV=0), start T3182 DLGLOBAL INFO Rx from lower layers: L1CTL-PDCH_RTS.indication DLGLOBAL DEBUG TBF(UL:NR-0:TLLI-00002342) Restarting at BSN 1, because all blocks have been transmitted. DLGLOBAL DEBUG TBF(UL:NR-0:TLLI-00002342) Resending BSN 1 @@ -449,6 +506,7 @@ DLGLOBAL DEBUG TBF(UL:NR-0:TLLI-00002342) Copying data unit 0 (BSN 1) DLGLOBAL DEBUG TBF(UL:NR-0:TLLI-00002342) msg block (BSN 1, CS-2): 00 00 02 1d 11 e5 10 00 e2 18 f2 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 00 DLGLOBAL INFO UL_TBF{FINISHED}: Received Event LAST_UL_DATA_SENT DLGLOBAL INFO UL_TBF{FINISHED}: Data block with CV=0 retransmit attempts=2 +DLGLOBAL INFO UL_TBF{FINISHED}: Last UL block sent (CV=0), start T3182 DLGLOBAL INFO Rx from lower layers: L1CTL-PDCH_RTS.indication DLGLOBAL DEBUG TBF(UL:NR-0:TLLI-00002342) Restarting at BSN 1, because all blocks have been transmitted. DLGLOBAL DEBUG TBF(UL:NR-0:TLLI-00002342) Resending BSN 1 @@ -458,6 +516,7 @@ DLGLOBAL DEBUG TBF(UL:NR-0:TLLI-00002342) Copying data unit 0 (BSN 1) DLGLOBAL DEBUG TBF(UL:NR-0:TLLI-00002342) msg block (BSN 1, CS-2): 00 00 02 1d 11 e5 10 00 e2 18 f2 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 00 DLGLOBAL INFO UL_TBF{FINISHED}: Received Event LAST_UL_DATA_SENT DLGLOBAL INFO UL_TBF{FINISHED}: Data block with CV=0 retransmit attempts=3 +DLGLOBAL INFO UL_TBF{FINISHED}: Last UL block sent (CV=0), start T3182 DLGLOBAL INFO Rx from lower layers: L1CTL-PDCH_RTS.indication DLGLOBAL DEBUG TBF(UL:NR-0:TLLI-00002342) Restarting at BSN 1, because all blocks have been transmitted. DLGLOBAL DEBUG TBF(UL:NR-0:TLLI-00002342) Resending BSN 1 @@ -467,6 +526,7 @@ DLGLOBAL DEBUG TBF(UL:NR-0:TLLI-00002342) Copying data unit 0 (BSN 1) DLGLOBAL DEBUG TBF(UL:NR-0:TLLI-00002342) msg block (BSN 1, CS-2): 00 00 02 1d 11 e5 10 00 e2 18 f2 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 00 DLGLOBAL INFO UL_TBF{FINISHED}: Received Event LAST_UL_DATA_SENT DLGLOBAL INFO UL_TBF{FINISHED}: Data block with CV=0 retransmit attempts=4 +DLGLOBAL INFO UL_TBF{FINISHED}: Last UL block sent (CV=0), start T3182 DLGLOBAL NOTICE UL_TBF{FINISHED}: TBF establishment failure (Data block with CV=0 retransmit attempts=4) DLGLOBAL INFO UL_TBF_ASS{IDLE}: Deallocated DLGLOBAL INFO UL_TBF{FINISHED}: Deallocated diff --git a/tests/rlcmac/rlcmac_prim_test.ok b/tests/rlcmac/rlcmac_prim_test.ok index fdd570f..9e913ed 100644 --- a/tests/rlcmac/rlcmac_prim_test.ok +++ b/tests/rlcmac/rlcmac_prim_test.ok @@ -80,12 +80,21 @@ test_rlcmac_prim_down_cb(): Rx L1CTL-RACH.request ra=0x7b test_rlcmac_prim_down_cb(): Rx L1CTL-PDCH_DATA.request fn=43 ts=7 data_len=34 data=[3c 00 01 00 00 23 42 01 c0 00 08 01 01 d5 71 00 00 08 29 26 24 00 00 00 00 71 62 f2 24 6c 84 44 04 00 ] test_rlcmac_prim_down_cb(): Rx L1CTL-CFG_UL_TBF.request ul_tbf_nr=0 ul_slotmask=0x80 === test_ul_tbf_n3104_timeout end === -=== test_ul_tbf_last_data_cv0_retrans_max start === +=== test_ul_tbf_t3182_timeout start === sys={0.000000}, mono={0.000000}: clock_override_set test_rlcmac_prim_down_cb(): Rx L1CTL-RACH.request ra=0x7a test_rlcmac_prim_down_cb(): Rx L1CTL-CFG_UL_TBF.request ul_tbf_nr=0 ul_slotmask=0x80 test_rlcmac_prim_down_cb(): Rx L1CTL-PDCH_DATA.request fn=4 ts=7 data_len=34 data=[3c 00 01 00 00 23 42 01 c0 00 08 01 01 d5 71 00 00 08 29 26 24 00 00 00 00 71 62 f2 24 6c 84 44 04 00 ] test_rlcmac_prim_down_cb(): Rx L1CTL-PDCH_DATA.request fn=8 ts=7 data_len=34 data=[00 00 02 1d 11 e5 10 00 e2 18 f2 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 00 ] +sys={5.000000}, mono={5.000000}: clock_override_add +sys={5.000000}, mono={5.000000}: Expect T3182 timeout +=== test_ul_tbf_t3182_timeout end === +=== test_ul_tbf_last_data_cv0_retrans_max start === +sys={0.000000}, mono={0.000000}: clock_override_set +test_rlcmac_prim_down_cb(): Rx L1CTL-RACH.request ra=0x7b +test_rlcmac_prim_down_cb(): Rx L1CTL-CFG_UL_TBF.request ul_tbf_nr=0 ul_slotmask=0x80 +test_rlcmac_prim_down_cb(): Rx L1CTL-PDCH_DATA.request fn=4 ts=7 data_len=34 data=[3c 00 01 00 00 23 42 01 c0 00 08 01 01 d5 71 00 00 08 29 26 24 00 00 00 00 71 62 f2 24 6c 84 44 04 00 ] +test_rlcmac_prim_down_cb(): Rx L1CTL-PDCH_DATA.request fn=8 ts=7 data_len=34 data=[00 00 02 1d 11 e5 10 00 e2 18 f2 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 00 ] RTS 0: FN=13 test_rlcmac_prim_down_cb(): Rx L1CTL-PDCH_DATA.request fn=13 ts=7 data_len=34 data=[00 00 02 1d 11 e5 10 00 e2 18 f2 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 00 ] RTS 1: FN=17