diff options
Diffstat (limited to 'src/gprs_rlcmac_data.cpp')
| -rw-r--r-- | src/gprs_rlcmac_data.cpp | 92 |
1 files changed, 0 insertions, 92 deletions
diff --git a/src/gprs_rlcmac_data.cpp b/src/gprs_rlcmac_data.cpp index 004ac93f..3a0680ac 100644 --- a/src/gprs_rlcmac_data.cpp +++ b/src/gprs_rlcmac_data.cpp @@ -42,7 +42,6 @@ extern void *tall_pcu_ctx; #define POLL_ACK_AFTER_FRAMES 20 /* If acknowledgement to uplink/downlink assignmentshould be polled */ -#define POLLING_ASSIGNMENT_DL 1 #define POLLING_ASSIGNMENT_UL 1 @@ -727,94 +726,3 @@ int gprs_rlcmac_downlink_ack( } -struct msgb *gprs_rlcmac_send_packet_downlink_assignment( - struct gprs_rlcmac_tbf *tbf, uint32_t fn) -{ - struct msgb *msg; - struct gprs_rlcmac_tbf *new_tbf; - gprs_rlcmac_bts *bts = tbf->bts->bts_data(); - int poll_ass_dl = POLLING_ASSIGNMENT_DL; - - if (poll_ass_dl && tbf->direction == GPRS_RLCMAC_DL_TBF - && tbf->control_ts != tbf->first_common_ts) { - LOGP(DRLCMAC, LOGL_NOTICE, "Cannot poll for downlink " - "assigment, because MS cannot reply. (control TS=%d, " - "first common TS=%d)\n", tbf->control_ts, - tbf->first_common_ts); - poll_ass_dl = 0; - } - if (poll_ass_dl) { - if (tbf->poll_state != GPRS_RLCMAC_POLL_NONE) { - LOGP(DRLCMAC, LOGL_DEBUG, "Polling is already sheduled " - "for TBF=%d, so we must wait for downlink " - "assignment...\n", tbf->tfi); - return NULL; - } - if (tbf->bts->sba()->find(tbf->trx_no, tbf->control_ts, (fn + 13) % 2715648)) { - LOGP(DRLCMACUL, LOGL_DEBUG, "Polling is already " - "scheduled for single block allocation...\n"); - return NULL; - } - } - - /* on uplink TBF we get the downlink TBF to be assigned. */ - if (tbf->direction == GPRS_RLCMAC_UL_TBF) { - /* be sure to check first, if contention resolution is done, - * otherwise we cannot send the assignment yet */ - if (!tbf->dir.ul.contention_resolution_done) { - LOGP(DRLCMAC, LOGL_DEBUG, "Cannot assign DL TBF now, " - "because contention resolution is not " - "finished.\n"); - return NULL; - } - new_tbf = tbf->bts->tbf_by_tlli(tbf->tlli, GPRS_RLCMAC_DL_TBF); - } else - new_tbf = tbf; - if (!new_tbf) { - LOGP(DRLCMACDL, LOGL_ERROR, "We have a schedule for downlink " - "assignment at uplink TBF=%d, but there is no downlink " - "TBF\n", tbf->tfi); - tbf->dl_ass_state = GPRS_RLCMAC_DL_ASS_NONE; - return NULL; - } - - msg = msgb_alloc(23, "rlcmac_dl_ass"); - if (!msg) - return NULL; - bitvec *ass_vec = bitvec_alloc(23); - if (!ass_vec) { - msgb_free(msg); - return NULL; - } - bitvec_unhex(ass_vec, - "2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b"); - LOGP(DRLCMAC, LOGL_INFO, "TBF: START TFI: %u TLLI: 0x%08x Packet Downlink Assignment (PACCH)\n", new_tbf->tfi, new_tbf->tlli); - RlcMacDownlink_t * mac_control_block = (RlcMacDownlink_t *)talloc_zero(tall_pcu_ctx, RlcMacDownlink_t); - Encoding::write_packet_downlink_assignment(mac_control_block, tbf->tfi, - (tbf->direction == GPRS_RLCMAC_DL_TBF), new_tbf, - poll_ass_dl, bts->alpha, bts->gamma, -1, 0); - LOGP(DRLCMAC, LOGL_DEBUG, "+++++++++++++++++++++++++ TX : Packet Downlink Assignment +++++++++++++++++++++++++\n"); - encode_gsm_rlcmac_downlink(ass_vec, mac_control_block); - LOGPC(DCSN1, LOGL_NOTICE, "\n"); - LOGP(DRLCMAC, LOGL_DEBUG, "------------------------- TX : Packet Downlink Assignment -------------------------\n"); - bitvec_pack(ass_vec, msgb_put(msg, 23)); - bitvec_free(ass_vec); - talloc_free(mac_control_block); - - if (poll_ass_dl) { - tbf->poll_state = GPRS_RLCMAC_POLL_SCHED; - tbf->poll_fn = (fn + 13) % 2715648; - tbf->dl_ass_state = GPRS_RLCMAC_DL_ASS_WAIT_ACK; - } else { - tbf->dl_ass_state = GPRS_RLCMAC_DL_ASS_NONE; - tbf_new_state(new_tbf, GPRS_RLCMAC_FLOW); - tbf_assign_control_ts(new_tbf); - /* stop pending assignment timer */ - new_tbf->stop_timer(); - - } - debug_diagram(bts->bts, tbf->diag, "send DL-ASS"); - - return msg; -} - |