617 lines
18 KiB
C++
617 lines
18 KiB
C++
/* Copied from tbf.cpp
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*
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* Copyright (C) 2012 Ivan Klyuchnikov
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* Copyright (C) 2012 Andreas Eversberg <jolly@eversberg.eu>
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* Copyright (C) 2013 by Holger Hans Peter Freyther
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include <bts.h>
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#include <tbf.h>
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#include <tbf_ul.h>
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#include <rlc.h>
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#include <encoding.h>
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#include <gprs_rlcmac.h>
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#include <gprs_debug.h>
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#include <gprs_bssgp_pcu.h>
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#include <decoding.h>
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#include <pcu_l1_if.h>
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#include <gprs_ms.h>
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#include <llc.h>
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#include "pcu_utils.h"
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extern "C" {
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#include <osmocom/core/msgb.h>
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#include <osmocom/core/talloc.h>
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#include <osmocom/core/bitvec.h>
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#include <osmocom/core/logging.h>
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#include <osmocom/core/rate_ctr.h>
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#include <osmocom/core/utils.h>
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#include <osmocom/gprs/gprs_bssgp_bss.h>
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#include <osmocom/gprs/protocol/gsm_08_18.h>
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#include <osmocom/gsm/tlv.h>
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#include "coding_scheme.h"
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}
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#include <errno.h>
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#include <string.h>
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/* After receiving these frames, we send ack/nack. */
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#define SEND_ACK_AFTER_FRAMES 20
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extern void *tall_pcu_ctx;
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gprs_rlcmac_ul_tbf::gprs_rlcmac_ul_tbf(BTS *bts_) :
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gprs_rlcmac_tbf(bts_, GPRS_RLCMAC_UL_TBF),
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m_rx_counter(0),
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m_contention_resolution_done(0),
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m_final_ack_sent(0),
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m_ul_gprs_ctrs(NULL),
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m_ul_egprs_ctrs(NULL)
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{
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memset(&m_usf, 0, sizeof(m_usf));
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}
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/*
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* Store received block data in LLC message(s) and forward to SGSN
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* if complete.
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*/
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int gprs_rlcmac_ul_tbf::assemble_forward_llc(const gprs_rlc_data *_data)
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{
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const uint8_t *data = _data->block;
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uint8_t len = _data->len;
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const struct gprs_rlc_data_block_info *rdbi = &_data->block_info;
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enum CodingScheme cs = _data->cs_last;
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Decoding::RlcData frames[16], *frame;
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int i, num_frames = 0;
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uint32_t dummy_tlli;
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LOGPTBFUL(this, LOGL_DEBUG, "Assembling frames: (len=%d)\n", len);
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num_frames = Decoding::rlc_data_from_ul_data(
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rdbi, cs, data, &(frames[0]), ARRAY_SIZE(frames),
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&dummy_tlli);
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/* create LLC frames */
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for (i = 0; i < num_frames; i++) {
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frame = frames + i;
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if (frame->length) {
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bts->do_rate_ctr_add(CTR_RLC_UL_PAYLOAD_BYTES, frame->length);
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LOGPTBFUL(this, LOGL_DEBUG, "Frame %d "
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"starts at offset %d, "
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"length=%d, is_complete=%d\n",
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i + 1, frame->offset, frame->length,
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frame->is_complete);
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m_llc.append_frame(data + frame->offset, frame->length);
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m_llc.consume(frame->length);
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}
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if (frame->is_complete) {
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/* send frame to SGSN */
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LOGPTBFUL(this, LOGL_DEBUG, "complete UL frame len=%d\n", m_llc.frame_length());
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snd_ul_ud();
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bts->do_rate_ctr_add(CTR_LLC_UL_BYTES, m_llc.frame_length());
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m_llc.reset();
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}
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}
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return 0;
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}
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bool gprs_rlcmac_ul_tbf::ctrl_ack_to_toggle()
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{
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if (check_n_clear(GPRS_RLCMAC_FLAG_TO_UL_ACK))
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return true; /* GPRS_RLCMAC_FLAG_TO_UL_ACK was set, now cleared */
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state_flags |= (1 << GPRS_RLCMAC_FLAG_TO_UL_ACK);
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return false; /* GPRS_RLCMAC_FLAG_TO_UL_ACK was unset, now set */
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}
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bool gprs_rlcmac_ul_tbf::handle_ctrl_ack()
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{
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/* check if this control ack belongs to packet uplink ack */
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if (ul_ack_state_is(GPRS_RLCMAC_UL_ACK_WAIT_ACK)) {
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TBF_SET_ACK_STATE(this, GPRS_RLCMAC_UL_ACK_NONE);
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return true;
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}
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return false;
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}
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struct msgb *gprs_rlcmac_ul_tbf::create_ul_ack(uint32_t fn, uint8_t ts)
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{
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int final = (state_is(GPRS_RLCMAC_FINISHED));
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struct msgb *msg;
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int rc;
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unsigned int rrbp = 0;
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uint32_t new_poll_fn = 0;
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if (final) {
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if (poll_scheduled() && ul_ack_state_is(GPRS_RLCMAC_UL_ACK_WAIT_ACK)) {
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LOGPTBFUL(this, LOGL_DEBUG,
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"Polling is already scheduled, so we must wait for the final uplink ack...\n");
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return NULL;
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}
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rc = check_polling(fn, ts, &new_poll_fn, &rrbp);
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if (rc < 0)
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return NULL;
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}
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msg = msgb_alloc(23, "rlcmac_ul_ack");
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if (!msg)
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return NULL;
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bitvec *ack_vec = bitvec_alloc(23, tall_pcu_ctx);
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if (!ack_vec) {
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msgb_free(msg);
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return NULL;
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}
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bitvec_unhex(ack_vec, DUMMY_VEC);
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Encoding::write_packet_uplink_ack(ack_vec, this, final, rrbp);
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bitvec_pack(ack_vec, msgb_put(msg, 23));
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bitvec_free(ack_vec);
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/* now we must set this flag, so we are allowed to assign downlink
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* TBF on PACCH. it is only allowed when TLLI is acknowledged. */
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m_contention_resolution_done = 1;
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if (final) {
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set_polling(new_poll_fn, ts, GPRS_RLCMAC_POLL_UL_ACK);
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/* waiting for final acknowledge */
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m_final_ack_sent = 1;
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} else
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TBF_SET_ACK_STATE(this, GPRS_RLCMAC_UL_ACK_NONE);
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return msg;
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}
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/*! \brief receive data from PDCH/L1 */
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int gprs_rlcmac_ul_tbf::rcv_data_block_acknowledged(
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const struct gprs_rlc_data_info *rlc,
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uint8_t *data, struct pcu_l1_meas *meas)
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{
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const struct gprs_rlc_data_block_info *rdbi;
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struct gprs_rlc_data *block;
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int8_t rssi = meas->have_rssi ? meas->rssi : 0;
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const uint16_t ws = m_window.ws();
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this->state_flags |= (1 << GPRS_RLCMAC_FLAG_UL_DATA);
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LOGPTBFUL(this, LOGL_DEBUG, "UL DATA TFI=%d received (V(Q)=%d .. "
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"V(R)=%d)\n", rlc->tfi, this->m_window.v_q(),
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this->m_window.v_r());
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/* process RSSI */
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gprs_rlcmac_rssi(this, rssi);
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/* store measurement values */
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if (ms())
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ms()->update_l1_meas(meas);
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uint32_t new_tlli = 0;
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unsigned int block_idx;
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/* restart T3169 */
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T_START(this, T3169, 3169, "acked (data)", true);
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/* Increment RX-counter */
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this->m_rx_counter++;
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update_coding_scheme_counter_ul(rlc->cs);
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/* Loop over num_blocks */
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for (block_idx = 0; block_idx < rlc->num_data_blocks; block_idx++) {
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int num_chunks;
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uint8_t *rlc_data;
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rdbi = &rlc->block_info[block_idx];
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bool need_rlc_data = false;
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LOGPTBFUL(this, LOGL_DEBUG,
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"Got %s RLC data block: CV=%d, BSN=%d, SPB=%d, PI=%d, E=%d, TI=%d, bitoffs=%d\n",
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mcs_name(rlc->cs),
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rdbi->cv, rdbi->bsn, rdbi->spb,
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rdbi->pi, rdbi->e, rdbi->ti,
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rlc->data_offs_bits[block_idx]);
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/* Check whether the block needs to be decoded */
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if (!m_window.is_in_window(rdbi->bsn)) {
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LOGPTBFUL(this, LOGL_DEBUG, "BSN %d out of window %d..%d (it's normal)\n",
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rdbi->bsn,
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m_window.v_q(), m_window.mod_sns(m_window.v_q() + ws - 1));
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} else if (m_window.is_received(rdbi->bsn)) {
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LOGPTBFUL(this, LOGL_DEBUG,
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"BSN %d already received\n", rdbi->bsn);
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} else {
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need_rlc_data = true;
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}
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if (!is_tlli_valid()) {
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if (!rdbi->ti) {
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LOGPTBFUL(this, LOGL_NOTICE, "Missing TLLI within UL DATA.\n");
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continue;
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}
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need_rlc_data = true;
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}
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if (!need_rlc_data)
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continue;
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/* Store block and meta info to BSN buffer */
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LOGPTBFUL(this, LOGL_DEBUG, "BSN %d storing in window (%d..%d)\n",
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rdbi->bsn, m_window.v_q(),
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m_window.mod_sns(m_window.v_q() + ws - 1));
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block = m_rlc.block(rdbi->bsn);
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OSMO_ASSERT(rdbi->data_len <= sizeof(block->block));
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rlc_data = &(block->block[0]);
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if (rdbi->spb) {
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egprs_rlc_ul_reseg_bsn_state assemble_status;
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assemble_status = handle_egprs_ul_spb(rlc,
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block, data, block_idx);
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if (assemble_status != EGPRS_RESEG_DEFAULT)
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return 0;
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} else {
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block->block_info = *rdbi;
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block->cs_last = rlc->cs;
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block->len =
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Decoding::rlc_copy_to_aligned_buffer(rlc,
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block_idx, data, rlc_data);
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}
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LOGPTBFUL(this, LOGL_DEBUG,
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"data_length=%d, data=%s\n",
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block->len, osmo_hexdump(rlc_data, block->len));
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/* Get/Handle TLLI */
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if (rdbi->ti) {
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num_chunks = Decoding::rlc_data_from_ul_data(
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rdbi, rlc->cs, rlc_data, NULL, 0, &new_tlli);
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if (num_chunks < 0) {
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bts->do_rate_ctr_inc(CTR_DECODE_ERRORS);
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LOGPTBFUL(this, LOGL_NOTICE,
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"Failed to decode TLLI of %s UL DATA TFI=%d.\n",
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mcs_name(rlc->cs), rlc->tfi);
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m_window.invalidate_bsn(rdbi->bsn);
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continue;
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}
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if (!this->is_tlli_valid()) {
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if (!new_tlli) {
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LOGPTBFUL(this, LOGL_NOTICE,
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"TLLI = 0 within UL DATA.\n");
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m_window.invalidate_bsn(rdbi->bsn);
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continue;
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}
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LOGPTBFUL(this, LOGL_INFO,
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"Decoded premier TLLI=0x%08x of UL DATA TFI=%d.\n",
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new_tlli, rlc->tfi);
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set_tlli_from_ul(new_tlli);
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} else if (new_tlli && new_tlli != tlli()) {
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LOGPTBFUL(this, LOGL_NOTICE,
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"TLLI mismatch on UL DATA TFI=%d. (Ignoring due to contention resolution)\n",
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rlc->tfi);
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m_window.invalidate_bsn(rdbi->bsn);
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continue;
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}
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}
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m_window.receive_bsn(rdbi->bsn);
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}
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/* Raise V(Q) if possible, and retrieve LLC frames from blocks.
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* This is looped until there is a gap (non received block) or
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* the window is empty.*/
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const uint16_t v_q_beg = m_window.v_q();
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const uint16_t count = m_window.raise_v_q();
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/* Retrieve LLC frames from blocks that are ready */
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for (uint16_t i = 0; i < count; ++i) {
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uint16_t index = m_window.mod_sns(v_q_beg + i);
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assemble_forward_llc(m_rlc.block(index));
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}
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/* Last frame in buffer: */
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block = m_rlc.block(m_window.mod_sns(m_window.v_r() - 1));
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rdbi = &block->block_info;
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/* Check if we already received all data TBF had to send: */
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if (this->state_is(GPRS_RLCMAC_FLOW) /* still in flow state */
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&& this->m_window.v_q() == this->m_window.v_r()) { /* if complete */
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LOGPTBFUL(this, LOGL_DEBUG,
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"No gaps in received block, last block: BSN=%d CV=%d\n",
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rdbi->bsn, rdbi->cv);
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if (rdbi->cv == 0) {
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LOGPTBFUL(this, LOGL_DEBUG, "Finished with UL TBF\n");
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TBF_SET_STATE(this, GPRS_RLCMAC_FINISHED);
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/* Reset N3103 counter. */
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this->n_reset(N3103);
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}
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}
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/* If TLLI is included or if we received half of the window, we send
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* an ack/nack */
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maybe_schedule_uplink_acknack(rlc, rdbi->cv == 0);
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return 0;
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}
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void gprs_rlcmac_ul_tbf::maybe_schedule_uplink_acknack(
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const gprs_rlc_data_info *rlc, bool countdown_finished)
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{
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bool require_ack = false;
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bool have_ti = rlc->block_info[0].ti ||
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(rlc->num_data_blocks > 1 && rlc->block_info[1].ti);
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if (rlc->si) {
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require_ack = true;
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LOGPTBFUL(this, LOGL_NOTICE,
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"Scheduling Ack/Nack, because MS is stalled.\n");
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}
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if (have_ti) {
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require_ack = true;
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LOGPTBFUL(this, LOGL_DEBUG,
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"Scheduling Ack/Nack, because TLLI is included.\n");
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}
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if (countdown_finished) {
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require_ack = true;
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if (state_is(GPRS_RLCMAC_FLOW))
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LOGPTBFUL(this, LOGL_DEBUG,
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"Scheduling Ack/Nack, because some data is missing and last block has CV==0.\n");
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else if (state_is(GPRS_RLCMAC_FINISHED))
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LOGPTBFUL(this, LOGL_DEBUG,
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"Scheduling final Ack/Nack, because all data was received and last block has CV==0.\n");
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}
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if ((m_rx_counter % SEND_ACK_AFTER_FRAMES) == 0) {
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require_ack = true;
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LOGPTBFUL(this, LOGL_DEBUG,
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"Scheduling Ack/Nack, because %d frames received.\n",
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SEND_ACK_AFTER_FRAMES);
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}
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if (!require_ack)
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return;
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if (ul_ack_state_is(GPRS_RLCMAC_UL_ACK_NONE)) {
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/* trigger sending at next RTS */
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TBF_SET_ACK_STATE(this, GPRS_RLCMAC_UL_ACK_SEND_ACK);
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} else {
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/* already triggered */
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LOGPTBFUL(this, LOGL_DEBUG,
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"Sending Ack/Nack already scheduled, no need to re-schedule\n");
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}
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}
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/* Send Uplink unit-data to SGSN. */
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int gprs_rlcmac_ul_tbf::snd_ul_ud()
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{
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uint8_t qos_profile[3];
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struct msgb *llc_pdu;
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unsigned msg_len = NS_HDR_LEN + BSSGP_HDR_LEN + m_llc.frame_length();
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struct bssgp_bvc_ctx *bctx = gprs_bssgp_pcu_current_bctx();
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LOGP(DBSSGP, LOGL_INFO, "LLC [PCU -> SGSN] %s len=%d\n", tbf_name(this), m_llc.frame_length());
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if (!bctx) {
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LOGP(DBSSGP, LOGL_ERROR, "No bctx\n");
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m_llc.reset_frame_space();
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return -EIO;
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}
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llc_pdu = msgb_alloc_headroom(msg_len, msg_len,"llc_pdu");
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uint8_t *buf = msgb_push(llc_pdu, TL16V_GROSS_LEN(sizeof(uint8_t)*m_llc.frame_length()));
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tl16v_put(buf, BSSGP_IE_LLC_PDU, sizeof(uint8_t)*m_llc.frame_length(), m_llc.frame);
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qos_profile[0] = QOS_PROFILE >> 16;
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qos_profile[1] = QOS_PROFILE >> 8;
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qos_profile[2] = QOS_PROFILE;
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bssgp_tx_ul_ud(bctx, tlli(), qos_profile, llc_pdu);
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m_llc.reset_frame_space();
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return 0;
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}
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egprs_rlc_ul_reseg_bsn_state gprs_rlcmac_ul_tbf::handle_egprs_ul_second_seg(
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const struct gprs_rlc_data_info *rlc, struct gprs_rlc_data *block,
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uint8_t *data, const uint8_t block_idx)
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{
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const gprs_rlc_data_block_info *rdbi = &rlc->block_info[block_idx];
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union split_block_status *spb_status = &block->spb_status;
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uint8_t *rlc_data = &block->block[0];
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bts->do_rate_ctr_inc(CTR_SPB_UL_SECOND_SEGMENT);
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if (spb_status->block_status_ul &
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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->do_rate_ctr_inc(CTR_SPB_UL_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 (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->do_rate_ctr_inc(CTR_GPRS_UL_CS1);
|
|
rate_ctr_inc(&m_ul_gprs_ctrs->ctr[TBF_CTR_GPRS_UL_CS1]);
|
|
break;
|
|
case CS2:
|
|
bts->do_rate_ctr_inc(CTR_GPRS_UL_CS2);
|
|
rate_ctr_inc(&m_ul_gprs_ctrs->ctr[TBF_CTR_GPRS_UL_CS2]);
|
|
break;
|
|
case CS3:
|
|
bts->do_rate_ctr_inc(CTR_GPRS_UL_CS3);
|
|
rate_ctr_inc(&m_ul_gprs_ctrs->ctr[TBF_CTR_GPRS_UL_CS3]);
|
|
break;
|
|
case CS4:
|
|
bts->do_rate_ctr_inc(CTR_GPRS_UL_CS4);
|
|
rate_ctr_inc(&m_ul_gprs_ctrs->ctr[TBF_CTR_GPRS_UL_CS4]);
|
|
break;
|
|
case MCS1:
|
|
bts->do_rate_ctr_inc(CTR_EGPRS_UL_MCS1);
|
|
rate_ctr_inc(&m_ul_egprs_ctrs->ctr[TBF_CTR_EGPRS_UL_MCS1]);
|
|
break;
|
|
case MCS2:
|
|
bts->do_rate_ctr_inc(CTR_EGPRS_UL_MCS2);
|
|
rate_ctr_inc(&m_ul_egprs_ctrs->ctr[TBF_CTR_EGPRS_UL_MCS2]);
|
|
break;
|
|
case MCS3:
|
|
bts->do_rate_ctr_inc(CTR_EGPRS_UL_MCS3);
|
|
rate_ctr_inc(&m_ul_egprs_ctrs->ctr[TBF_CTR_EGPRS_UL_MCS3]);
|
|
break;
|
|
case MCS4:
|
|
bts->do_rate_ctr_inc(CTR_EGPRS_UL_MCS4);
|
|
rate_ctr_inc(&m_ul_egprs_ctrs->ctr[TBF_CTR_EGPRS_UL_MCS4]);
|
|
break;
|
|
case MCS5:
|
|
bts->do_rate_ctr_inc(CTR_EGPRS_UL_MCS5);
|
|
rate_ctr_inc(&m_ul_egprs_ctrs->ctr[TBF_CTR_EGPRS_UL_MCS5]);
|
|
break;
|
|
case MCS6:
|
|
bts->do_rate_ctr_inc(CTR_EGPRS_UL_MCS6);
|
|
rate_ctr_inc(&m_ul_egprs_ctrs->ctr[TBF_CTR_EGPRS_UL_MCS6]);
|
|
break;
|
|
case MCS7:
|
|
bts->do_rate_ctr_inc(CTR_EGPRS_UL_MCS7);
|
|
rate_ctr_inc(&m_ul_egprs_ctrs->ctr[TBF_CTR_EGPRS_UL_MCS7]);
|
|
break;
|
|
case MCS8:
|
|
bts->do_rate_ctr_inc(CTR_EGPRS_UL_MCS8);
|
|
rate_ctr_inc(&m_ul_egprs_ctrs->ctr[TBF_CTR_EGPRS_UL_MCS8]);
|
|
break;
|
|
case MCS9:
|
|
bts->do_rate_ctr_inc(CTR_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);
|
|
}
|