| /* Copied from tbf.cpp |
| * |
| * Copyright (C) 2012 Ivan Klyuchnikov |
| * Copyright (C) 2012 Andreas Eversberg <jolly@eversberg.eu> |
| * 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 <bts.h> |
| #include <tbf.h> |
| #include <tbf_ul.h> |
| #include <rlc.h> |
| #include <encoding.h> |
| #include <gprs_rlcmac.h> |
| #include <gprs_debug.h> |
| #include <gprs_bssgp_pcu.h> |
| #include <decoding.h> |
| #include <pcu_l1_if.h> |
| #include <gprs_coding_scheme.h> |
| #include <gprs_ms.h> |
| #include <llc.h> |
| #include "pcu_utils.h" |
| |
| extern "C" { |
| #include <osmocom/core/msgb.h> |
| #include <osmocom/core/talloc.h> |
| #include <osmocom/core/bitvec.h> |
| #include <osmocom/core/logging.h> |
| #include <osmocom/core/rate_ctr.h> |
| #include <osmocom/core/utils.h> |
| #include <osmocom/gprs/gprs_bssgp_bss.h> |
| #include <osmocom/gprs/protocol/gsm_08_18.h> |
| #include <osmocom/gsm/tlv.h> |
| #include "coding_scheme.h" |
| } |
| |
| #include <errno.h> |
| #include <string.h> |
| |
| /* After receiving these frames, we send ack/nack. */ |
| #define SEND_ACK_AFTER_FRAMES 20 |
| |
| extern void *tall_pcu_ctx; |
| |
| gprs_rlcmac_ul_tbf::gprs_rlcmac_ul_tbf(BTS *bts_) : |
| gprs_rlcmac_tbf(bts_, GPRS_RLCMAC_UL_TBF), |
| m_rx_counter(0), |
| m_contention_resolution_done(0), |
| m_final_ack_sent(0), |
| m_ul_gprs_ctrs(NULL), |
| m_ul_egprs_ctrs(NULL) |
| { |
| memset(&m_usf, 0, sizeof(m_usf)); |
| } |
| |
| /* |
| * Store received block data in LLC message(s) and forward to SGSN |
| * if complete. |
| */ |
| int gprs_rlcmac_ul_tbf::assemble_forward_llc(const gprs_rlc_data *_data) |
| { |
| const uint8_t *data = _data->block; |
| uint8_t len = _data->len; |
| const struct gprs_rlc_data_block_info *rdbi = &_data->block_info; |
| GprsCodingScheme cs = _data->cs_last; |
| |
| Decoding::RlcData frames[16], *frame; |
| int i, num_frames = 0; |
| uint32_t dummy_tlli; |
| |
| LOGPTBFUL(this, LOGL_DEBUG, "Assembling frames: (len=%d)\n", len); |
| |
| num_frames = Decoding::rlc_data_from_ul_data( |
| rdbi, cs, data, &(frames[0]), ARRAY_SIZE(frames), |
| &dummy_tlli); |
| |
| /* create LLC frames */ |
| for (i = 0; i < num_frames; i++) { |
| frame = frames + i; |
| |
| if (frame->length) { |
| bts->rlc_ul_payload_bytes(frame->length); |
| |
| LOGPTBFUL(this, LOGL_DEBUG, "Frame %d " |
| "starts at offset %d, " |
| "length=%d, is_complete=%d\n", |
| i + 1, frame->offset, frame->length, |
| frame->is_complete); |
| |
| m_llc.append_frame(data + frame->offset, frame->length); |
| m_llc.consume(frame->length); |
| } |
| |
| if (frame->is_complete) { |
| /* send frame to SGSN */ |
| LOGPTBFUL(this, LOGL_DEBUG, "complete UL frame len=%d\n", m_llc.frame_length()); |
| snd_ul_ud(); |
| bts->llc_ul_bytes(m_llc.frame_length()); |
| m_llc.reset(); |
| } |
| } |
| |
| return 0; |
| } |
| |
| bool gprs_rlcmac_ul_tbf::ctrl_ack_to_toggle() |
| { |
| if (check_n_clear(GPRS_RLCMAC_FLAG_TO_UL_ACK)) |
| return true; /* GPRS_RLCMAC_FLAG_TO_UL_ACK was set, now cleared */ |
| |
| state_flags |= (1 << GPRS_RLCMAC_FLAG_TO_UL_ACK); |
| return false; /* GPRS_RLCMAC_FLAG_TO_UL_ACK was unset, now set */ |
| } |
| |
| bool gprs_rlcmac_ul_tbf::handle_ctrl_ack() |
| { |
| /* check if this control ack belongs to packet uplink ack */ |
| if (ul_ack_state_is(GPRS_RLCMAC_UL_ACK_WAIT_ACK)) { |
| TBF_SET_ACK_STATE(this, GPRS_RLCMAC_UL_ACK_NONE); |
| return true; |
| } |
| |
| return false; |
| } |
| |
| struct msgb *gprs_rlcmac_ul_tbf::create_ul_ack(uint32_t fn, uint8_t ts) |
| { |
| int final = (state_is(GPRS_RLCMAC_FINISHED)); |
| struct msgb *msg; |
| int rc; |
| unsigned int rrbp = 0; |
| uint32_t new_poll_fn = 0; |
| |
| if (final) { |
| if (poll_scheduled() && ul_ack_state_is(GPRS_RLCMAC_UL_ACK_WAIT_ACK)) { |
| LOGPTBFUL(this, LOGL_DEBUG, |
| "Polling is already scheduled, so we must wait for the final uplink ack...\n"); |
| return NULL; |
| } |
| |
| rc = check_polling(fn, ts, &new_poll_fn, &rrbp); |
| if (rc < 0) |
| return NULL; |
| } |
| |
| msg = msgb_alloc(23, "rlcmac_ul_ack"); |
| if (!msg) |
| return NULL; |
| bitvec *ack_vec = bitvec_alloc(23, tall_pcu_ctx); |
| if (!ack_vec) { |
| msgb_free(msg); |
| return NULL; |
| } |
| bitvec_unhex(ack_vec, DUMMY_VEC); |
| Encoding::write_packet_uplink_ack(ack_vec, this, final, rrbp); |
| bitvec_pack(ack_vec, msgb_put(msg, 23)); |
| bitvec_free(ack_vec); |
| |
| /* now we must set this flag, so we are allowed to assign downlink |
| * TBF on PACCH. it is only allowed when TLLI is acknowledged. */ |
| m_contention_resolution_done = 1; |
| |
| if (final) { |
| set_polling(new_poll_fn, ts, GPRS_RLCMAC_POLL_UL_ACK); |
| /* waiting for final acknowledge */ |
| m_final_ack_sent = 1; |
| } else |
| TBF_SET_ACK_STATE(this, GPRS_RLCMAC_UL_ACK_NONE); |
| |
| return msg; |
| } |
| |
| /*! \brief receive data from PDCH/L1 */ |
| int gprs_rlcmac_ul_tbf::rcv_data_block_acknowledged( |
| const struct gprs_rlc_data_info *rlc, |
| uint8_t *data, struct pcu_l1_meas *meas) |
| { |
| int8_t rssi = meas->have_rssi ? meas->rssi : 0; |
| |
| const uint16_t ws = m_window.ws(); |
| |
| this->state_flags |= (1 << GPRS_RLCMAC_FLAG_UL_DATA); |
| |
| LOGPTBFUL(this, LOGL_DEBUG, "UL DATA TFI=%d received (V(Q)=%d .. " |
| "V(R)=%d)\n", rlc->tfi, this->m_window.v_q(), |
| this->m_window.v_r()); |
| |
| /* process RSSI */ |
| gprs_rlcmac_rssi(this, rssi); |
| |
| /* store measurement values */ |
| if (ms()) |
| ms()->update_l1_meas(meas); |
| |
| uint32_t new_tlli = 0; |
| unsigned int block_idx; |
| |
| /* restart T3169 */ |
| T_START(this, T3169, 3169, "acked (data)", true); |
| |
| /* Increment RX-counter */ |
| this->m_rx_counter++; |
| update_coding_scheme_counter_ul(rlc->cs); |
| /* Loop over num_blocks */ |
| for (block_idx = 0; block_idx < rlc->num_data_blocks; block_idx++) { |
| int num_chunks; |
| uint8_t *rlc_data; |
| const struct gprs_rlc_data_block_info *rdbi = |
| &rlc->block_info[block_idx]; |
| bool need_rlc_data = false; |
| struct gprs_rlc_data *block; |
| |
| LOGPTBFUL(this, LOGL_DEBUG, |
| "Got %s RLC data block: CV=%d, BSN=%d, SPB=%d, PI=%d, E=%d, TI=%d, bitoffs=%d\n", |
| mcs_name(rlc->cs), |
| rdbi->cv, rdbi->bsn, rdbi->spb, |
| rdbi->pi, rdbi->e, rdbi->ti, |
| rlc->data_offs_bits[block_idx]); |
| |
| /* Check whether the block needs to be decoded */ |
| |
| if (!m_window.is_in_window(rdbi->bsn)) { |
| LOGPTBFUL(this, LOGL_DEBUG, "BSN %d out of window %d..%d (it's normal)\n", |
| rdbi->bsn, |
| m_window.v_q(), m_window.mod_sns(m_window.v_q() + ws - 1)); |
| } else if (m_window.is_received(rdbi->bsn)) { |
| LOGPTBFUL(this, LOGL_DEBUG, |
| "BSN %d already received\n", rdbi->bsn); |
| } else { |
| need_rlc_data = true; |
| } |
| |
| if (!is_tlli_valid()) { |
| if (!rdbi->ti) { |
| LOGPTBFUL(this, LOGL_NOTICE, "Missing TLLI within UL DATA.\n"); |
| continue; |
| } |
| need_rlc_data = true; |
| } |
| |
| if (!need_rlc_data) |
| continue; |
| |
| /* Store block and meta info to BSN buffer */ |
| |
| LOGPTBFUL(this, LOGL_DEBUG, "BSN %d storing in window (%d..%d)\n", |
| rdbi->bsn, m_window.v_q(), |
| m_window.mod_sns(m_window.v_q() + ws - 1)); |
| block = m_rlc.block(rdbi->bsn); |
| OSMO_ASSERT(rdbi->data_len <= sizeof(block->block)); |
| rlc_data = &(block->block[0]); |
| |
| if (rdbi->spb) { |
| egprs_rlc_ul_reseg_bsn_state assemble_status; |
| |
| assemble_status = handle_egprs_ul_spb(rlc, |
| block, data, block_idx); |
| |
| if (assemble_status != EGPRS_RESEG_DEFAULT) |
| return 0; |
| } else { |
| block->block_info = *rdbi; |
| block->cs_last = rlc->cs; |
| block->len = |
| Decoding::rlc_copy_to_aligned_buffer(rlc, |
| block_idx, data, rlc_data); |
| } |
| |
| LOGPTBFUL(this, LOGL_DEBUG, |
| "data_length=%d, data=%s\n", |
| block->len, osmo_hexdump(rlc_data, block->len)); |
| /* Get/Handle TLLI */ |
| if (rdbi->ti) { |
| num_chunks = Decoding::rlc_data_from_ul_data( |
| rdbi, rlc->cs, rlc_data, NULL, 0, &new_tlli); |
| |
| if (num_chunks < 0) { |
| bts->decode_error(); |
| LOGPTBFUL(this, LOGL_NOTICE, |
| "Failed to decode TLLI of %s UL DATA TFI=%d.\n", |
| mcs_name(rlc->cs), rlc->tfi); |
| m_window.invalidate_bsn(rdbi->bsn); |
| continue; |
| } |
| if (!this->is_tlli_valid()) { |
| if (!new_tlli) { |
| LOGPTBFUL(this, LOGL_NOTICE, |
| "TLLI = 0 within UL DATA.\n"); |
| m_window.invalidate_bsn(rdbi->bsn); |
| continue; |
| } |
| LOGPTBFUL(this, LOGL_INFO, |
| "Decoded premier TLLI=0x%08x of UL DATA TFI=%d.\n", |
| tlli(), rlc->tfi); |
| set_tlli_from_ul(new_tlli); |
| } else if (new_tlli && new_tlli != tlli()) { |
| LOGPTBFUL(this, LOGL_NOTICE, |
| "TLLI mismatch on UL DATA TFI=%d. (Ignoring due to contention resolution)\n", |
| rlc->tfi); |
| m_window.invalidate_bsn(rdbi->bsn); |
| continue; |
| } |
| } |
| |
| m_window.receive_bsn(rdbi->bsn); |
| } |
| |
| /* Raise V(Q) if possible, and retrieve LLC frames from blocks. |
| * This is looped until there is a gap (non received block) or |
| * the window is empty.*/ |
| const uint16_t v_q_beg = m_window.v_q(); |
| const uint16_t count = m_window.raise_v_q(); |
| |
| /* Retrieve LLC frames from blocks that are ready */ |
| for (uint16_t i = 0; i < count; ++i) { |
| uint16_t index = m_window.mod_sns(v_q_beg + i); |
| assemble_forward_llc(m_rlc.block(index)); |
| } |
| |
| /* Check CV of last frame in buffer */ |
| if (this->state_is(GPRS_RLCMAC_FLOW) /* still in flow state */ |
| && this->m_window.v_q() == this->m_window.v_r()) { /* if complete */ |
| struct gprs_rlc_data *block = |
| m_rlc.block(m_window.mod_sns(m_window.v_r() - 1)); |
| const struct gprs_rlc_data_block_info *rdbi = |
| &block->block_info; |
| |
| LOGPTBFUL(this, LOGL_DEBUG, |
| "No gaps in received block, last block: BSN=%d CV=%d\n", |
| rdbi->bsn, rdbi->cv); |
| if (rdbi->cv == 0) { |
| LOGPTBFUL(this, LOGL_DEBUG, "Finished with UL TBF\n"); |
| TBF_SET_STATE(this, GPRS_RLCMAC_FINISHED); |
| /* Reset N3103 counter. */ |
| this->n_reset(N3103); |
| } |
| } |
| |
| /* If TLLI is included or if we received half of the window, we send |
| * an ack/nack */ |
| maybe_schedule_uplink_acknack(rlc); |
| |
| return 0; |
| } |
| |
| void gprs_rlcmac_ul_tbf::maybe_schedule_uplink_acknack( |
| const gprs_rlc_data_info *rlc) |
| { |
| bool have_ti = rlc->block_info[0].ti || |
| (rlc->num_data_blocks > 1 && rlc->block_info[1].ti); |
| |
| if (rlc->si || have_ti || state_is(GPRS_RLCMAC_FINISHED) || |
| (m_rx_counter % SEND_ACK_AFTER_FRAMES) == 0) |
| { |
| if (rlc->si) { |
| LOGPTBFUL(this, LOGL_NOTICE, |
| "Scheduling Ack/Nack, because MS is stalled.\n"); |
| } |
| if (have_ti) { |
| LOGPTBFUL(this, LOGL_DEBUG, |
| "Scheduling Ack/Nack, because TLLI is included.\n"); |
| } |
| if (state_is(GPRS_RLCMAC_FINISHED)) { |
| LOGPTBFUL(this, LOGL_DEBUG, |
| "Scheduling Ack/Nack, because last block has CV==0.\n"); |
| } |
| if ((m_rx_counter % SEND_ACK_AFTER_FRAMES) == 0) { |
| LOGPTBFUL(this, LOGL_DEBUG, |
| "Scheduling Ack/Nack, because %d frames received.\n", |
| SEND_ACK_AFTER_FRAMES); |
| } |
| if (ul_ack_state_is(GPRS_RLCMAC_UL_ACK_NONE)) { |
| /* trigger sending at next RTS */ |
| TBF_SET_ACK_STATE(this, GPRS_RLCMAC_UL_ACK_SEND_ACK); |
| } else { |
| /* already triggered */ |
| LOGPTBFUL(this, LOGL_DEBUG, |
| "Sending Ack/Nack is already triggered, don't schedule!\n"); |
| } |
| } |
| } |
| |
| /* Send Uplink unit-data to SGSN. */ |
| int gprs_rlcmac_ul_tbf::snd_ul_ud() |
| { |
| uint8_t qos_profile[3]; |
| struct msgb *llc_pdu; |
| unsigned msg_len = NS_HDR_LEN + BSSGP_HDR_LEN + m_llc.frame_length(); |
| struct bssgp_bvc_ctx *bctx = gprs_bssgp_pcu_current_bctx(); |
| |
| LOGP(DBSSGP, LOGL_INFO, "LLC [PCU -> SGSN] %s len=%d\n", tbf_name(this), m_llc.frame_length()); |
| if (!bctx) { |
| LOGP(DBSSGP, LOGL_ERROR, "No bctx\n"); |
| m_llc.reset_frame_space(); |
| return -EIO; |
| } |
| |
| llc_pdu = msgb_alloc_headroom(msg_len, msg_len,"llc_pdu"); |
| uint8_t *buf = msgb_push(llc_pdu, TL16V_GROSS_LEN(sizeof(uint8_t)*m_llc.frame_length())); |
| tl16v_put(buf, BSSGP_IE_LLC_PDU, sizeof(uint8_t)*m_llc.frame_length(), m_llc.frame); |
| qos_profile[0] = QOS_PROFILE >> 16; |
| qos_profile[1] = QOS_PROFILE >> 8; |
| qos_profile[2] = QOS_PROFILE; |
| bssgp_tx_ul_ud(bctx, tlli(), qos_profile, llc_pdu); |
| |
| m_llc.reset_frame_space(); |
| return 0; |
| } |
| |
| egprs_rlc_ul_reseg_bsn_state gprs_rlcmac_ul_tbf::handle_egprs_ul_second_seg( |
| const struct gprs_rlc_data_info *rlc, struct gprs_rlc_data *block, |
| uint8_t *data, const uint8_t block_idx) |
| { |
| const gprs_rlc_data_block_info *rdbi = &rlc->block_info[block_idx]; |
| union split_block_status *spb_status = &block->spb_status; |
| uint8_t *rlc_data = &block->block[0]; |
| |
| bts->spb_uplink_second_segment(); |
| |
| if (spb_status->block_status_ul & |
| EGPRS_RESEG_FIRST_SEG_RXD) { |
| LOGPTBFUL(this, LOGL_DEBUG, |
| "Second seg is received first seg is already present set the status to complete\n"); |
| spb_status->block_status_ul = EGPRS_RESEG_DEFAULT; |
| |
| block->len += Decoding::rlc_copy_to_aligned_buffer(rlc, |
| block_idx, data, rlc_data + block->len); |
| block->block_info.data_len += rdbi->data_len; |
| } else if (spb_status->block_status_ul == EGPRS_RESEG_DEFAULT) { |
| LOGPTBFUL(this, LOGL_DEBUG, |
| "Second seg is received first seg is not received set the status to second seg received\n"); |
| |
| block->len = Decoding::rlc_copy_to_aligned_buffer(rlc, |
| block_idx, data, |
| rlc_data + rlc->block_info[block_idx].data_len); |
| |
| spb_status->block_status_ul = EGPRS_RESEG_SECOND_SEG_RXD; |
| block->block_info = *rdbi; |
| } |
| return spb_status->block_status_ul; |
| } |
| |
| egprs_rlc_ul_reseg_bsn_state gprs_rlcmac_ul_tbf::handle_egprs_ul_first_seg( |
| const struct gprs_rlc_data_info *rlc, struct gprs_rlc_data *block, |
| uint8_t *data, const uint8_t block_idx) |
| { |
| const gprs_rlc_data_block_info *rdbi = &rlc->block_info[block_idx]; |
| uint8_t *rlc_data = &block->block[0]; |
| union split_block_status *spb_status = &block->spb_status; |
| |
| bts->spb_uplink_first_segment(); |
| |
| if (spb_status->block_status_ul & EGPRS_RESEG_SECOND_SEG_RXD) { |
| LOGPTBFUL(this, LOGL_DEBUG, |
| "First seg is received second seg is already present set the status to complete\n"); |
| |
| block->len += Decoding::rlc_copy_to_aligned_buffer(rlc, |
| block_idx, data, rlc_data); |
| |
| block->block_info.data_len = block->len; |
| spb_status->block_status_ul = EGPRS_RESEG_DEFAULT; |
| } else if (spb_status->block_status_ul == EGPRS_RESEG_DEFAULT) { |
| LOGPTBFUL(this, LOGL_DEBUG, |
| "First seg is received second seg is not received set the status to first seg received\n"); |
| |
| spb_status->block_status_ul = EGPRS_RESEG_FIRST_SEG_RXD; |
| block->len = Decoding::rlc_copy_to_aligned_buffer(rlc, |
| block_idx, data, rlc_data); |
| block->block_info = *rdbi; |
| } |
| return spb_status->block_status_ul; |
| } |
| |
| egprs_rlc_ul_reseg_bsn_state gprs_rlcmac_ul_tbf::handle_egprs_ul_spb( |
| const struct gprs_rlc_data_info *rlc, struct gprs_rlc_data *block, |
| uint8_t *data, const uint8_t block_idx) |
| { |
| const gprs_rlc_data_block_info *rdbi = &rlc->block_info[block_idx]; |
| |
| LOGPTBFUL(this, LOGL_DEBUG, |
| "Got SPB(%d) cs(%s) data block with BSN (%d), TFI(%d).\n", |
| rdbi->spb, mcs_name(rlc->cs), rdbi->bsn, rlc->tfi); |
| |
| egprs_rlc_ul_reseg_bsn_state assemble_status = EGPRS_RESEG_INVALID; |
| |
| /* Section 10.4.8b of 44.060*/ |
| if (rdbi->spb == 2) |
| assemble_status = handle_egprs_ul_first_seg(rlc, |
| block, data, block_idx); |
| else if (rdbi->spb == 3) |
| assemble_status = handle_egprs_ul_second_seg(rlc, |
| block, data, block_idx); |
| else { |
| LOGPTBFUL(this, LOGL_ERROR, |
| "spb(%d) Not supported SPB for this EGPRS configuration\n", |
| rdbi->spb); |
| } |
| |
| /* |
| * When the block is successfully constructed out of segmented blocks |
| * upgrade the MCS to the type 2 |
| */ |
| if (assemble_status == EGPRS_RESEG_DEFAULT) { |
| switch (CodingScheme(rlc->cs)) { |
| case MCS3 : |
| block->cs_last = MCS6; |
| LOGPTBFUL(this, LOGL_DEBUG, "Upgrading to MCS6\n"); |
| break; |
| case MCS2 : |
| block->cs_last = MCS5; |
| LOGPTBFUL(this, LOGL_DEBUG, "Upgrading to MCS5\n"); |
| break; |
| case MCS1 : |
| LOGPTBFUL(this, LOGL_DEBUG, "Upgrading to MCS4\n"); |
| block->cs_last = MCS4; |
| break; |
| default: |
| LOGPTBFUL(this, LOGL_ERROR, |
| "cs(%s) Error in Upgrading to higher MCS\n", |
| mcs_name(rlc->cs)); |
| break; |
| } |
| } |
| return assemble_status; |
| } |
| |
| void gprs_rlcmac_ul_tbf::update_coding_scheme_counter_ul(enum CodingScheme cs) |
| { |
| switch (cs) { |
| case CS1: |
| bts->gprs_ul_cs1(); |
| rate_ctr_inc(&m_ul_gprs_ctrs->ctr[TBF_CTR_GPRS_UL_CS1]); |
| break; |
| case CS2: |
| bts->gprs_ul_cs2(); |
| rate_ctr_inc(&m_ul_gprs_ctrs->ctr[TBF_CTR_GPRS_UL_CS2]); |
| break; |
| case CS3: |
| bts->gprs_ul_cs3(); |
| rate_ctr_inc(&m_ul_gprs_ctrs->ctr[TBF_CTR_GPRS_UL_CS3]); |
| break; |
| case CS4: |
| bts->gprs_ul_cs4(); |
| rate_ctr_inc(&m_ul_gprs_ctrs->ctr[TBF_CTR_GPRS_UL_CS4]); |
| break; |
| case MCS1: |
| bts->egprs_ul_mcs1(); |
| rate_ctr_inc(&m_ul_egprs_ctrs->ctr[TBF_CTR_EGPRS_UL_MCS1]); |
| break; |
| case MCS2: |
| bts->egprs_ul_mcs2(); |
| rate_ctr_inc(&m_ul_egprs_ctrs->ctr[TBF_CTR_EGPRS_UL_MCS2]); |
| break; |
| case MCS3: |
| bts->egprs_ul_mcs3(); |
| rate_ctr_inc(&m_ul_egprs_ctrs->ctr[TBF_CTR_EGPRS_UL_MCS3]); |
| break; |
| case MCS4: |
| bts->egprs_ul_mcs4(); |
| rate_ctr_inc(&m_ul_egprs_ctrs->ctr[TBF_CTR_EGPRS_UL_MCS4]); |
| break; |
| case MCS5: |
| bts->egprs_ul_mcs5(); |
| rate_ctr_inc(&m_ul_egprs_ctrs->ctr[TBF_CTR_EGPRS_UL_MCS5]); |
| break; |
| case MCS6: |
| bts->egprs_ul_mcs6(); |
| rate_ctr_inc(&m_ul_egprs_ctrs->ctr[TBF_CTR_EGPRS_UL_MCS6]); |
| break; |
| case MCS7: |
| bts->egprs_ul_mcs7(); |
| rate_ctr_inc(&m_ul_egprs_ctrs->ctr[TBF_CTR_EGPRS_UL_MCS7]); |
| break; |
| case MCS8: |
| bts->egprs_ul_mcs8(); |
| rate_ctr_inc(&m_ul_egprs_ctrs->ctr[TBF_CTR_EGPRS_UL_MCS8]); |
| break; |
| case MCS9: |
| bts->egprs_ul_mcs9(); |
| rate_ctr_inc(&m_ul_egprs_ctrs->ctr[TBF_CTR_EGPRS_UL_MCS9]); |
| break; |
| default: |
| LOGPTBFUL(this, LOGL_ERROR, "attempting to update rate counters for unsupported (M)CS %s\n", |
| mcs_name(cs)); |
| } |
| } |
| |
| void gprs_rlcmac_ul_tbf::set_window_size() |
| { |
| const struct gprs_rlcmac_bts *b = bts->bts_data(); |
| uint16_t ws = egprs_window_size(b, ul_slots()); |
| LOGPTBFUL(this, LOGL_INFO, "setting EGPRS UL window size to %u, base(%u) slots(%u) ws_pdch(%u)\n", |
| ws, b->ws_base, pcu_bitcount(ul_slots()), b->ws_pdch); |
| m_window.set_ws(ws); |
| } |