628 lines
22 KiB
C
628 lines
22 KiB
C
/*
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* OsmocomBB <-> SDR connection bridge
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* TDMA scheduler: logical channels, RX / TX handlers
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*
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* (C) 2013 by Andreas Eversberg <jolly@eversberg.eu>
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* (C) 2015 by Alexander Chemeris <Alexander.Chemeris@fairwaves.co>
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* (C) 2015 by Harald Welte <laforge@gnumonks.org>
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*
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* All Rights Reserved
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (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 Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include <osmocom/gsm/protocol/gsm_08_58.h>
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#include <osmocom/core/gsmtap.h>
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#include <osmocom/bb/trxcon/l1sched.h>
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/* Forward declaration of handlers */
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int rx_data_fn(struct trx_instance *trx, struct l1sched_ts *ts,
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struct l1sched_lchan_state *lchan, uint32_t fn, uint8_t bid,
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const sbit_t *bits, const struct l1sched_meas_set *meas);
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int tx_data_fn(struct trx_instance *trx, struct l1sched_ts *ts,
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struct l1sched_lchan_state *lchan,
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struct l1sched_burst_req *br);
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int rx_sch_fn(struct trx_instance *trx, struct l1sched_ts *ts,
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struct l1sched_lchan_state *lchan, uint32_t fn, uint8_t bid,
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const sbit_t *bits, const struct l1sched_meas_set *meas);
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int tx_rach_fn(struct trx_instance *trx, struct l1sched_ts *ts,
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struct l1sched_lchan_state *lchan,
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struct l1sched_burst_req *br);
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int rx_tchf_fn(struct trx_instance *trx, struct l1sched_ts *ts,
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struct l1sched_lchan_state *lchan, uint32_t fn, uint8_t bid,
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const sbit_t *bits, const struct l1sched_meas_set *meas);
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int tx_tchf_fn(struct trx_instance *trx, struct l1sched_ts *ts,
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struct l1sched_lchan_state *lchan,
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struct l1sched_burst_req *br);
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int rx_tchh_fn(struct trx_instance *trx, struct l1sched_ts *ts,
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struct l1sched_lchan_state *lchan, uint32_t fn, uint8_t bid,
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const sbit_t *bits, const struct l1sched_meas_set *meas);
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int tx_tchh_fn(struct trx_instance *trx, struct l1sched_ts *ts,
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struct l1sched_lchan_state *lchan,
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struct l1sched_burst_req *br);
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int rx_pdtch_fn(struct trx_instance *trx, struct l1sched_ts *ts,
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struct l1sched_lchan_state *lchan, uint32_t fn, uint8_t bid,
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const sbit_t *bits, const struct l1sched_meas_set *meas);
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int tx_pdtch_fn(struct trx_instance *trx, struct l1sched_ts *ts,
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struct l1sched_lchan_state *lchan,
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struct l1sched_burst_req *br);
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const struct l1sched_lchan_desc l1sched_lchan_desc[_L1SCHED_CHAN_MAX] = {
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[L1SCHED_IDLE] = {
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.name = "IDLE",
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.desc = "Idle channel",
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/* The MS needs to perform neighbour measurements during
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* IDLE slots, however this is not implemented (yet). */
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},
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[L1SCHED_FCCH] = {
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.name = "FCCH", /* 3GPP TS 05.02, section 3.3.2.1 */
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.desc = "Frequency correction channel",
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/* Handled by transceiver, nothing to do. */
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},
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[L1SCHED_SCH] = {
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.name = "SCH", /* 3GPP TS 05.02, section 3.3.2.2 */
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.desc = "Synchronization channel",
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/* 3GPP TS 05.03, section 4.7. Handled by transceiver,
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* however we still need to parse BSIC (BCC / NCC). */
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.flags = L1SCHED_CH_FLAG_AUTO,
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.rx_fn = rx_sch_fn,
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},
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[L1SCHED_BCCH] = {
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.name = "BCCH", /* 3GPP TS 05.02, section 3.3.2.3 */
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.desc = "Broadcast control channel",
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.gsmtap_chan_type = GSMTAP_CHANNEL_BCCH,
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.chan_nr = RSL_CHAN_BCCH,
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/* Rx only, xCCH convolutional coding (3GPP TS 05.03, section 4.4),
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* regular interleaving (3GPP TS 05.02, clause 7, table 3):
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* a L2 frame is interleaved over 4 consecutive bursts. */
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.burst_buf_size = 4 * GSM_BURST_PL_LEN,
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.flags = L1SCHED_CH_FLAG_AUTO,
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.rx_fn = rx_data_fn,
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},
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[L1SCHED_RACH] = {
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.name = "RACH", /* 3GPP TS 05.02, section 3.3.3.1 */
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.desc = "Random access channel",
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.gsmtap_chan_type = GSMTAP_CHANNEL_RACH,
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.chan_nr = RSL_CHAN_RACH,
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/* Tx only, RACH convolutional coding (3GPP TS 05.03, section 4.6). */
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.flags = L1SCHED_CH_FLAG_AUTO,
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.tx_fn = tx_rach_fn,
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},
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[L1SCHED_CCCH] = {
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.name = "CCCH", /* 3GPP TS 05.02, section 3.3.3.1 */
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.desc = "Common control channel",
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.gsmtap_chan_type = GSMTAP_CHANNEL_CCCH,
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.chan_nr = RSL_CHAN_PCH_AGCH,
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/* Rx only, xCCH convolutional coding (3GPP TS 05.03, section 4.4),
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* regular interleaving (3GPP TS 05.02, clause 7, table 3):
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* a L2 frame is interleaved over 4 consecutive bursts. */
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.burst_buf_size = 4 * GSM_BURST_PL_LEN,
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.flags = L1SCHED_CH_FLAG_AUTO,
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.rx_fn = rx_data_fn,
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},
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[L1SCHED_TCHF] = {
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.name = "TCH/F", /* 3GPP TS 05.02, section 3.2 */
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.desc = "Full Rate traffic channel",
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.gsmtap_chan_type = GSMTAP_CHANNEL_TCH_F,
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.chan_nr = RSL_CHAN_Bm_ACCHs,
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.link_id = L1SCHED_CH_LID_DEDIC,
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/* Rx and Tx, multiple convolutional coding types (3GPP TS 05.03,
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* chapter 3), block diagonal interleaving (3GPP TS 05.02, clause 7):
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*
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* - a traffic frame is interleaved over 8 consecutive bursts
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* using the even numbered bits of the first 4 bursts
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* and odd numbered bits of the last 4 bursts;
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* - a FACCH/F frame 'steals' (replaces) one traffic frame,
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* interleaving is done in the same way.
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*
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* The MS shall continuously transmit bursts, even if there is nothing
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* to send, unless DTX (Discontinuous Transmission) is used. */
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.burst_buf_size = 8 * GSM_BURST_PL_LEN,
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.flags = L1SCHED_CH_FLAG_CBTX,
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.rx_fn = rx_tchf_fn,
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.tx_fn = tx_tchf_fn,
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},
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[L1SCHED_TCHH_0] = {
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.name = "TCH/H(0)", /* 3GPP TS 05.02, section 3.2 */
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.desc = "Half Rate traffic channel (sub-channel 0)",
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.gsmtap_chan_type = GSMTAP_CHANNEL_TCH_H,
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.chan_nr = RSL_CHAN_Lm_ACCHs + (0 << 3),
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.link_id = L1SCHED_CH_LID_DEDIC,
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.ss_nr = 0,
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/* Rx and Tx, multiple convolutional coding types (3GPP TS 05.03,
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* chapter 3), block diagonal interleaving (3GPP TS 05.02, clause 7):
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*
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* - a traffic frame is interleaved over 4 non-consecutive bursts
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* using the even numbered bits of the first 2 bursts,
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* and odd numbered bits of the last 2 bursts;
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* - a FACCH/H frame is interleaved over 6 non-consecutive bursts
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* using the even numbered bits of the first 2 bursts,
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* all bits of the middle two 2 bursts,
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* and odd numbered bits of the last 2 bursts;
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* - a FACCH/H frame 'steals' (replaces) two traffic frames,
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* interleaving is done over 4 consecutive bursts,
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* the same as given for a TCH/FS.
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*
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* The MS shall continuously transmit bursts, even if there is nothing
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* to send, unless DTX (Discontinuous Transmission) is used. */
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.burst_buf_size = 6 * GSM_BURST_PL_LEN,
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.flags = L1SCHED_CH_FLAG_CBTX,
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.rx_fn = rx_tchh_fn,
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.tx_fn = tx_tchh_fn,
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},
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[L1SCHED_TCHH_1] = {
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.name = "TCH/H(1)", /* 3GPP TS 05.02, section 3.2 */
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.desc = "Half Rate traffic channel (sub-channel 1)",
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.gsmtap_chan_type = GSMTAP_CHANNEL_TCH_H,
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.chan_nr = RSL_CHAN_Lm_ACCHs + (1 << 3),
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.link_id = L1SCHED_CH_LID_DEDIC,
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.ss_nr = 1,
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/* Same as for L1SCHED_TCHH_0, see above. */
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.burst_buf_size = 6 * GSM_BURST_PL_LEN,
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.flags = L1SCHED_CH_FLAG_CBTX,
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.rx_fn = rx_tchh_fn,
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.tx_fn = tx_tchh_fn,
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},
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[L1SCHED_SDCCH4_0] = {
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.name = "SDCCH/4(0)", /* 3GPP TS 05.02, section 3.3.4.1 */
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.desc = "Stand-alone dedicated control channel (sub-channel 0)",
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.gsmtap_chan_type = GSMTAP_CHANNEL_SDCCH4,
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.chan_nr = RSL_CHAN_SDCCH4_ACCH + (0 << 3),
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.link_id = L1SCHED_CH_LID_DEDIC,
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.ss_nr = 0,
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/* Same as for L1SCHED_BCCH (xCCH), see above. */
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.burst_buf_size = 4 * GSM_BURST_PL_LEN,
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.flags = L1SCHED_CH_FLAG_CBTX,
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.rx_fn = rx_data_fn,
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.tx_fn = tx_data_fn,
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},
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[L1SCHED_SDCCH4_1] = {
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.name = "SDCCH/4(1)", /* 3GPP TS 05.02, section 3.3.4.1 */
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.desc = "Stand-alone dedicated control channel (sub-channel 1)",
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.gsmtap_chan_type = GSMTAP_CHANNEL_SDCCH4,
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.chan_nr = RSL_CHAN_SDCCH4_ACCH + (1 << 3),
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.link_id = L1SCHED_CH_LID_DEDIC,
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.ss_nr = 1,
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/* Same as for L1SCHED_BCCH (xCCH), see above. */
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.burst_buf_size = 4 * GSM_BURST_PL_LEN,
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.flags = L1SCHED_CH_FLAG_CBTX,
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.rx_fn = rx_data_fn,
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.tx_fn = tx_data_fn,
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},
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[L1SCHED_SDCCH4_2] = {
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.name = "SDCCH/4(2)", /* 3GPP TS 05.02, section 3.3.4.1 */
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.desc = "Stand-alone dedicated control channel (sub-channel 2)",
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.gsmtap_chan_type = GSMTAP_CHANNEL_SDCCH4,
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.chan_nr = RSL_CHAN_SDCCH4_ACCH + (2 << 3),
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.link_id = L1SCHED_CH_LID_DEDIC,
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.ss_nr = 2,
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/* Same as for L1SCHED_BCCH (xCCH), see above. */
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.burst_buf_size = 4 * GSM_BURST_PL_LEN,
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.flags = L1SCHED_CH_FLAG_CBTX,
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.rx_fn = rx_data_fn,
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.tx_fn = tx_data_fn,
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},
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[L1SCHED_SDCCH4_3] = {
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.name = "SDCCH/4(3)", /* 3GPP TS 05.02, section 3.3.4.1 */
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.desc = "Stand-alone dedicated control channel (sub-channel 3)",
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.gsmtap_chan_type = GSMTAP_CHANNEL_SDCCH4,
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.chan_nr = RSL_CHAN_SDCCH4_ACCH + (3 << 3),
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.link_id = L1SCHED_CH_LID_DEDIC,
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.ss_nr = 3,
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/* Same as for L1SCHED_BCCH (xCCH), see above. */
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.burst_buf_size = 4 * GSM_BURST_PL_LEN,
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.flags = L1SCHED_CH_FLAG_CBTX,
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.rx_fn = rx_data_fn,
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.tx_fn = tx_data_fn,
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},
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[L1SCHED_SDCCH8_0] = {
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.name = "SDCCH/8(0)", /* 3GPP TS 05.02, section 3.3.4.1 */
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.desc = "Stand-alone dedicated control channel (sub-channel 0)",
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.gsmtap_chan_type = GSMTAP_CHANNEL_SDCCH8,
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.chan_nr = RSL_CHAN_SDCCH8_ACCH + (0 << 3),
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.link_id = L1SCHED_CH_LID_DEDIC,
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.ss_nr = 0,
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/* Same as for L1SCHED_BCCH and L1SCHED_SDCCH4_* (xCCH), see above. */
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.burst_buf_size = 4 * GSM_BURST_PL_LEN,
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.flags = L1SCHED_CH_FLAG_CBTX,
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.rx_fn = rx_data_fn,
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.tx_fn = tx_data_fn,
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},
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[L1SCHED_SDCCH8_1] = {
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.name = "SDCCH/8(1)", /* 3GPP TS 05.02, section 3.3.4.1 */
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.desc = "Stand-alone dedicated control channel (sub-channel 1)",
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.gsmtap_chan_type = GSMTAP_CHANNEL_SDCCH8,
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.chan_nr = RSL_CHAN_SDCCH8_ACCH + (1 << 3),
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.link_id = L1SCHED_CH_LID_DEDIC,
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.ss_nr = 1,
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/* Same as for L1SCHED_BCCH and L1SCHED_SDCCH4_* (xCCH), see above. */
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.burst_buf_size = 4 * GSM_BURST_PL_LEN,
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.flags = L1SCHED_CH_FLAG_CBTX,
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.rx_fn = rx_data_fn,
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.tx_fn = tx_data_fn,
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},
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[L1SCHED_SDCCH8_2] = {
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.name = "SDCCH/8(2)", /* 3GPP TS 05.02, section 3.3.4.1 */
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.desc = "Stand-alone dedicated control channel (sub-channel 2)",
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.gsmtap_chan_type = GSMTAP_CHANNEL_SDCCH8,
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.chan_nr = RSL_CHAN_SDCCH8_ACCH + (2 << 3),
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.link_id = L1SCHED_CH_LID_DEDIC,
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.ss_nr = 2,
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/* Same as for L1SCHED_BCCH and L1SCHED_SDCCH4_* (xCCH), see above. */
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.burst_buf_size = 4 * GSM_BURST_PL_LEN,
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.flags = L1SCHED_CH_FLAG_CBTX,
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.rx_fn = rx_data_fn,
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.tx_fn = tx_data_fn,
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},
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[L1SCHED_SDCCH8_3] = {
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.name = "SDCCH/8(3)", /* 3GPP TS 05.02, section 3.3.4.1 */
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.desc = "Stand-alone dedicated control channel (sub-channel 3)",
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.gsmtap_chan_type = GSMTAP_CHANNEL_SDCCH8,
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.chan_nr = RSL_CHAN_SDCCH8_ACCH + (3 << 3),
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.link_id = L1SCHED_CH_LID_DEDIC,
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.ss_nr = 3,
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/* Same as for L1SCHED_BCCH and L1SCHED_SDCCH4_* (xCCH), see above. */
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.burst_buf_size = 4 * GSM_BURST_PL_LEN,
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.flags = L1SCHED_CH_FLAG_CBTX,
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.rx_fn = rx_data_fn,
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.tx_fn = tx_data_fn,
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},
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[L1SCHED_SDCCH8_4] = {
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.name = "SDCCH/8(4)", /* 3GPP TS 05.02, section 3.3.4.1 */
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.desc = "Stand-alone dedicated control channel (sub-channel 4)",
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.gsmtap_chan_type = GSMTAP_CHANNEL_SDCCH8,
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.chan_nr = RSL_CHAN_SDCCH8_ACCH + (4 << 3),
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.link_id = L1SCHED_CH_LID_DEDIC,
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.ss_nr = 4,
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/* Same as for L1SCHED_BCCH and L1SCHED_SDCCH4_* (xCCH), see above. */
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.burst_buf_size = 4 * GSM_BURST_PL_LEN,
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.flags = L1SCHED_CH_FLAG_CBTX,
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.rx_fn = rx_data_fn,
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.tx_fn = tx_data_fn,
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},
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[L1SCHED_SDCCH8_5] = {
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.name = "SDCCH/8(5)", /* 3GPP TS 05.02, section 3.3.4.1 */
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.desc = "Stand-alone dedicated control channel (sub-channel 5)",
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.gsmtap_chan_type = GSMTAP_CHANNEL_SDCCH8,
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.chan_nr = RSL_CHAN_SDCCH8_ACCH + (5 << 3),
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.link_id = L1SCHED_CH_LID_DEDIC,
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.ss_nr = 5,
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/* Same as for L1SCHED_BCCH and L1SCHED_SDCCH4_* (xCCH), see above. */
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.burst_buf_size = 4 * GSM_BURST_PL_LEN,
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.flags = L1SCHED_CH_FLAG_CBTX,
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.rx_fn = rx_data_fn,
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.tx_fn = tx_data_fn,
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},
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[L1SCHED_SDCCH8_6] = {
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.name = "SDCCH/8(6)", /* 3GPP TS 05.02, section 3.3.4.1 */
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.desc = "Stand-alone dedicated control channel (sub-channel 6)",
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.gsmtap_chan_type = GSMTAP_CHANNEL_SDCCH8,
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.chan_nr = RSL_CHAN_SDCCH8_ACCH + (6 << 3),
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.link_id = L1SCHED_CH_LID_DEDIC,
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.ss_nr = 6,
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/* Same as for L1SCHED_BCCH and L1SCHED_SDCCH4_* (xCCH), see above. */
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.burst_buf_size = 4 * GSM_BURST_PL_LEN,
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.flags = L1SCHED_CH_FLAG_CBTX,
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.rx_fn = rx_data_fn,
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.tx_fn = tx_data_fn,
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},
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[L1SCHED_SDCCH8_7] = {
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.name = "SDCCH/8(7)", /* 3GPP TS 05.02, section 3.3.4.1 */
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.desc = "Stand-alone dedicated control channel (sub-channel 7)",
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.gsmtap_chan_type = GSMTAP_CHANNEL_SDCCH8,
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.chan_nr = RSL_CHAN_SDCCH8_ACCH + (7 << 3),
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.link_id = L1SCHED_CH_LID_DEDIC,
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.ss_nr = 7,
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/* Same as for L1SCHED_BCCH and L1SCHED_SDCCH4_* (xCCH), see above. */
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.burst_buf_size = 4 * GSM_BURST_PL_LEN,
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.flags = L1SCHED_CH_FLAG_CBTX,
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.rx_fn = rx_data_fn,
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.tx_fn = tx_data_fn,
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},
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[L1SCHED_SACCHTF] = {
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.name = "SACCH/TF", /* 3GPP TS 05.02, section 3.3.4.1 */
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.desc = "Slow TCH/F associated control channel",
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.gsmtap_chan_type = GSMTAP_CHANNEL_TCH_F | GSMTAP_CHANNEL_ACCH,
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.chan_nr = RSL_CHAN_Bm_ACCHs,
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.link_id = L1SCHED_CH_LID_SACCH,
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/* Same as for L1SCHED_BCCH (xCCH), see above. */
|
|
.burst_buf_size = 4 * GSM_BURST_PL_LEN,
|
|
.flags = L1SCHED_CH_FLAG_CBTX,
|
|
.rx_fn = rx_data_fn,
|
|
.tx_fn = tx_data_fn,
|
|
},
|
|
[L1SCHED_SACCHTH_0] = {
|
|
.name = "SACCH/TH(0)", /* 3GPP TS 05.02, section 3.3.4.1 */
|
|
.desc = "Slow TCH/H associated control channel (sub-channel 0)",
|
|
.gsmtap_chan_type = GSMTAP_CHANNEL_TCH_H | GSMTAP_CHANNEL_ACCH,
|
|
.chan_nr = RSL_CHAN_Lm_ACCHs + (0 << 3),
|
|
.link_id = L1SCHED_CH_LID_SACCH,
|
|
.ss_nr = 0,
|
|
|
|
/* Same as for L1SCHED_BCCH (xCCH), see above. */
|
|
.burst_buf_size = 4 * GSM_BURST_PL_LEN,
|
|
.flags = L1SCHED_CH_FLAG_CBTX,
|
|
.rx_fn = rx_data_fn,
|
|
.tx_fn = tx_data_fn,
|
|
},
|
|
[L1SCHED_SACCHTH_1] = {
|
|
.name = "SACCH/TH(1)", /* 3GPP TS 05.02, section 3.3.4.1 */
|
|
.desc = "Slow TCH/H associated control channel (sub-channel 1)",
|
|
.gsmtap_chan_type = GSMTAP_CHANNEL_TCH_H | GSMTAP_CHANNEL_ACCH,
|
|
.chan_nr = RSL_CHAN_Lm_ACCHs + (1 << 3),
|
|
.link_id = L1SCHED_CH_LID_SACCH,
|
|
.ss_nr = 1,
|
|
|
|
/* Same as for L1SCHED_BCCH (xCCH), see above. */
|
|
.burst_buf_size = 4 * GSM_BURST_PL_LEN,
|
|
.flags = L1SCHED_CH_FLAG_CBTX,
|
|
.rx_fn = rx_data_fn,
|
|
.tx_fn = tx_data_fn,
|
|
},
|
|
[L1SCHED_SACCH4_0] = {
|
|
.name = "SACCH/4(0)", /* 3GPP TS 05.02, section 3.3.4.1 */
|
|
.desc = "Slow SDCCH/4 associated control channel (sub-channel 0)",
|
|
.gsmtap_chan_type = GSMTAP_CHANNEL_SDCCH4 | GSMTAP_CHANNEL_ACCH,
|
|
.chan_nr = RSL_CHAN_SDCCH4_ACCH + (0 << 3),
|
|
.link_id = L1SCHED_CH_LID_SACCH,
|
|
.ss_nr = 0,
|
|
|
|
/* Same as for L1SCHED_BCCH and L1SCHED_SDCCH4_* (xCCH), see above. */
|
|
.burst_buf_size = 4 * GSM_BURST_PL_LEN,
|
|
.flags = L1SCHED_CH_FLAG_CBTX,
|
|
.rx_fn = rx_data_fn,
|
|
.tx_fn = tx_data_fn,
|
|
},
|
|
[L1SCHED_SACCH4_1] = {
|
|
.name = "SACCH/4(1)", /* 3GPP TS 05.02, section 3.3.4.1 */
|
|
.desc = "Slow SDCCH/4 associated control channel (sub-channel 1)",
|
|
.gsmtap_chan_type = GSMTAP_CHANNEL_SDCCH4 | GSMTAP_CHANNEL_ACCH,
|
|
.chan_nr = RSL_CHAN_SDCCH4_ACCH + (1 << 3),
|
|
.link_id = L1SCHED_CH_LID_SACCH,
|
|
.ss_nr = 1,
|
|
|
|
/* Same as for L1SCHED_BCCH and L1SCHED_SDCCH4_* (xCCH), see above. */
|
|
.burst_buf_size = 4 * GSM_BURST_PL_LEN,
|
|
.flags = L1SCHED_CH_FLAG_CBTX,
|
|
.rx_fn = rx_data_fn,
|
|
.tx_fn = tx_data_fn,
|
|
},
|
|
[L1SCHED_SACCH4_2] = {
|
|
.name = "SACCH/4(2)", /* 3GPP TS 05.02, section 3.3.4.1 */
|
|
.desc = "Slow SDCCH/4 associated control channel (sub-channel 2)",
|
|
.gsmtap_chan_type = GSMTAP_CHANNEL_SDCCH4 | GSMTAP_CHANNEL_ACCH,
|
|
.chan_nr = RSL_CHAN_SDCCH4_ACCH + (2 << 3),
|
|
.link_id = L1SCHED_CH_LID_SACCH,
|
|
.ss_nr = 2,
|
|
|
|
/* Same as for L1SCHED_BCCH and L1SCHED_SDCCH4_* (xCCH), see above. */
|
|
.burst_buf_size = 4 * GSM_BURST_PL_LEN,
|
|
.flags = L1SCHED_CH_FLAG_CBTX,
|
|
.rx_fn = rx_data_fn,
|
|
.tx_fn = tx_data_fn,
|
|
},
|
|
[L1SCHED_SACCH4_3] = {
|
|
.name = "SACCH/4(3)", /* 3GPP TS 05.02, section 3.3.4.1 */
|
|
.desc = "Slow SDCCH/4 associated control channel (sub-channel 3)",
|
|
.gsmtap_chan_type = GSMTAP_CHANNEL_SDCCH4 | GSMTAP_CHANNEL_ACCH,
|
|
.chan_nr = RSL_CHAN_SDCCH4_ACCH + (3 << 3),
|
|
.link_id = L1SCHED_CH_LID_SACCH,
|
|
.ss_nr = 3,
|
|
|
|
/* Same as for L1SCHED_BCCH and L1SCHED_SDCCH4_* (xCCH), see above. */
|
|
.burst_buf_size = 4 * GSM_BURST_PL_LEN,
|
|
.flags = L1SCHED_CH_FLAG_CBTX,
|
|
.rx_fn = rx_data_fn,
|
|
.tx_fn = tx_data_fn,
|
|
},
|
|
[L1SCHED_SACCH8_0] = {
|
|
.name = "SACCH/8(0)", /* 3GPP TS 05.02, section 3.3.4.1 */
|
|
.desc = "Slow SDCCH/8 associated control channel (sub-channel 0)",
|
|
.gsmtap_chan_type = GSMTAP_CHANNEL_SDCCH8 | GSMTAP_CHANNEL_ACCH,
|
|
.chan_nr = RSL_CHAN_SDCCH8_ACCH + (0 << 3),
|
|
.link_id = L1SCHED_CH_LID_SACCH,
|
|
.ss_nr = 0,
|
|
|
|
/* Same as for L1SCHED_BCCH and L1SCHED_SDCCH8_* (xCCH), see above. */
|
|
.burst_buf_size = 4 * GSM_BURST_PL_LEN,
|
|
.flags = L1SCHED_CH_FLAG_CBTX,
|
|
.rx_fn = rx_data_fn,
|
|
.tx_fn = tx_data_fn,
|
|
},
|
|
[L1SCHED_SACCH8_1] = {
|
|
.name = "SACCH/8(1)", /* 3GPP TS 05.02, section 3.3.4.1 */
|
|
.desc = "Slow SDCCH/8 associated control channel (sub-channel 1)",
|
|
.gsmtap_chan_type = GSMTAP_CHANNEL_SDCCH8 | GSMTAP_CHANNEL_ACCH,
|
|
.chan_nr = RSL_CHAN_SDCCH8_ACCH + (1 << 3),
|
|
.link_id = L1SCHED_CH_LID_SACCH,
|
|
.ss_nr = 1,
|
|
|
|
/* Same as for L1SCHED_BCCH and L1SCHED_SDCCH8_* (xCCH), see above. */
|
|
.burst_buf_size = 4 * GSM_BURST_PL_LEN,
|
|
.flags = L1SCHED_CH_FLAG_CBTX,
|
|
.rx_fn = rx_data_fn,
|
|
.tx_fn = tx_data_fn,
|
|
},
|
|
[L1SCHED_SACCH8_2] = {
|
|
.name = "SACCH/8(2)", /* 3GPP TS 05.02, section 3.3.4.1 */
|
|
.desc = "Slow SDCCH/8 associated control channel (sub-channel 2)",
|
|
.gsmtap_chan_type = GSMTAP_CHANNEL_SDCCH8 | GSMTAP_CHANNEL_ACCH,
|
|
.chan_nr = RSL_CHAN_SDCCH8_ACCH + (2 << 3),
|
|
.link_id = L1SCHED_CH_LID_SACCH,
|
|
.ss_nr = 2,
|
|
|
|
/* Same as for L1SCHED_BCCH and L1SCHED_SDCCH8_* (xCCH), see above. */
|
|
.burst_buf_size = 4 * GSM_BURST_PL_LEN,
|
|
.flags = L1SCHED_CH_FLAG_CBTX,
|
|
.rx_fn = rx_data_fn,
|
|
.tx_fn = tx_data_fn,
|
|
},
|
|
[L1SCHED_SACCH8_3] = {
|
|
.name = "SACCH/8(3)", /* 3GPP TS 05.02, section 3.3.4.1 */
|
|
.desc = "Slow SDCCH/8 associated control channel (sub-channel 3)",
|
|
.gsmtap_chan_type = GSMTAP_CHANNEL_SDCCH8 | GSMTAP_CHANNEL_ACCH,
|
|
.chan_nr = RSL_CHAN_SDCCH8_ACCH + (3 << 3),
|
|
.link_id = L1SCHED_CH_LID_SACCH,
|
|
.ss_nr = 3,
|
|
|
|
/* Same as for L1SCHED_BCCH and L1SCHED_SDCCH8_* (xCCH), see above. */
|
|
.burst_buf_size = 4 * GSM_BURST_PL_LEN,
|
|
.flags = L1SCHED_CH_FLAG_CBTX,
|
|
.rx_fn = rx_data_fn,
|
|
.tx_fn = tx_data_fn,
|
|
},
|
|
[L1SCHED_SACCH8_4] = {
|
|
.name = "SACCH/8(4)", /* 3GPP TS 05.02, section 3.3.4.1 */
|
|
.desc = "Slow SDCCH/8 associated control channel (sub-channel 4)",
|
|
.gsmtap_chan_type = GSMTAP_CHANNEL_SDCCH8 | GSMTAP_CHANNEL_ACCH,
|
|
.chan_nr = RSL_CHAN_SDCCH8_ACCH + (4 << 3),
|
|
.link_id = L1SCHED_CH_LID_SACCH,
|
|
.ss_nr = 4,
|
|
|
|
/* Same as for L1SCHED_BCCH and L1SCHED_SDCCH8_* (xCCH), see above. */
|
|
.burst_buf_size = 4 * GSM_BURST_PL_LEN,
|
|
.flags = L1SCHED_CH_FLAG_CBTX,
|
|
.rx_fn = rx_data_fn,
|
|
.tx_fn = tx_data_fn,
|
|
},
|
|
[L1SCHED_SACCH8_5] = {
|
|
.name = "SACCH/8(5)", /* 3GPP TS 05.02, section 3.3.4.1 */
|
|
.desc = "Slow SDCCH/8 associated control channel (sub-channel 5)",
|
|
.gsmtap_chan_type = GSMTAP_CHANNEL_SDCCH8 | GSMTAP_CHANNEL_ACCH,
|
|
.chan_nr = RSL_CHAN_SDCCH8_ACCH + (5 << 3),
|
|
.link_id = L1SCHED_CH_LID_SACCH,
|
|
.ss_nr = 5,
|
|
|
|
/* Same as for L1SCHED_BCCH and L1SCHED_SDCCH8_* (xCCH), see above. */
|
|
.burst_buf_size = 4 * GSM_BURST_PL_LEN,
|
|
.flags = L1SCHED_CH_FLAG_CBTX,
|
|
.rx_fn = rx_data_fn,
|
|
.tx_fn = tx_data_fn,
|
|
},
|
|
[L1SCHED_SACCH8_6] = {
|
|
.name = "SACCH/8(6)", /* 3GPP TS 05.02, section 3.3.4.1 */
|
|
.desc = "Slow SDCCH/8 associated control channel (sub-channel 6)",
|
|
.gsmtap_chan_type = GSMTAP_CHANNEL_SDCCH8 | GSMTAP_CHANNEL_ACCH,
|
|
.chan_nr = RSL_CHAN_SDCCH8_ACCH + (6 << 3),
|
|
.link_id = L1SCHED_CH_LID_SACCH,
|
|
.ss_nr = 6,
|
|
|
|
/* Same as for L1SCHED_BCCH and L1SCHED_SDCCH8_* (xCCH), see above. */
|
|
.burst_buf_size = 4 * GSM_BURST_PL_LEN,
|
|
.flags = L1SCHED_CH_FLAG_CBTX,
|
|
.rx_fn = rx_data_fn,
|
|
.tx_fn = tx_data_fn,
|
|
},
|
|
[L1SCHED_SACCH8_7] = {
|
|
.name = "SACCH/8(7)", /* 3GPP TS 05.02, section 3.3.4.1 */
|
|
.desc = "Slow SDCCH/8 associated control channel (sub-channel 7)",
|
|
.gsmtap_chan_type = GSMTAP_CHANNEL_SDCCH8 | GSMTAP_CHANNEL_ACCH,
|
|
.chan_nr = RSL_CHAN_SDCCH8_ACCH + (7 << 3),
|
|
.link_id = L1SCHED_CH_LID_SACCH,
|
|
.ss_nr = 7,
|
|
|
|
/* Same as for L1SCHED_BCCH and L1SCHED_SDCCH8_* (xCCH), see above. */
|
|
.burst_buf_size = 4 * GSM_BURST_PL_LEN,
|
|
.flags = L1SCHED_CH_FLAG_CBTX,
|
|
.rx_fn = rx_data_fn,
|
|
.tx_fn = tx_data_fn,
|
|
},
|
|
[L1SCHED_PDTCH] = {
|
|
.name = "PDTCH", /* 3GPP TS 05.02, sections 3.2.4, 3.3.2.4 */
|
|
.desc = "Packet data traffic & control channel",
|
|
.gsmtap_chan_type = GSMTAP_CHANNEL_PDTCH,
|
|
.chan_nr = RSL_CHAN_OSMO_PDCH,
|
|
|
|
/* Rx and Tx, multiple coding schemes: CS-1..4 and MCS-1..9 (3GPP TS
|
|
* 05.03, chapter 5), regular interleaving as specified for xCCH.
|
|
* NOTE: the burst buffer is three times bigger because the
|
|
* payload of EDGE bursts is three times longer. */
|
|
.burst_buf_size = 3 * 4 * GSM_BURST_PL_LEN,
|
|
.flags = L1SCHED_CH_FLAG_PDCH,
|
|
.rx_fn = rx_pdtch_fn,
|
|
.tx_fn = tx_pdtch_fn,
|
|
},
|
|
[L1SCHED_PTCCH] = {
|
|
.name = "PTCCH", /* 3GPP TS 05.02, section 3.3.4.2 */
|
|
.desc = "Packet Timing advance control channel",
|
|
.gsmtap_chan_type = GSMTAP_CHANNEL_PTCCH,
|
|
.chan_nr = RSL_CHAN_OSMO_PDCH,
|
|
.link_id = L1SCHED_CH_LID_PTCCH,
|
|
|
|
/* On the Uplink, mobile stations transmit random Access Bursts
|
|
* to allow estimation of the timing advance for one MS in packet
|
|
* transfer mode. On Downlink, the network sends timing advance
|
|
* updates for several mobile stations. The coding scheme used
|
|
* for PTCCH/D messages is the same as for PDTCH CS-1. */
|
|
.burst_buf_size = 4 * GSM_BURST_PL_LEN,
|
|
.flags = L1SCHED_CH_FLAG_PDCH,
|
|
.rx_fn = rx_pdtch_fn,
|
|
.tx_fn = tx_rach_fn,
|
|
},
|
|
[L1SCHED_SDCCH4_CBCH] = {
|
|
.name = "SDCCH/4(CBCH)", /* 3GPP TS 05.02, section 3.3.5 */
|
|
.desc = "Cell Broadcast channel on SDCCH/4",
|
|
.gsmtap_chan_type = GSMTAP_CHANNEL_CBCH51,
|
|
.chan_nr = RSL_CHAN_OSMO_CBCH4,
|
|
.ss_nr = 2,
|
|
|
|
/* Same as for L1SCHED_BCCH (xCCH), but Rx only. See above. */
|
|
.burst_buf_size = 4 * GSM_BURST_PL_LEN,
|
|
.flags = L1SCHED_CH_FLAG_AUTO,
|
|
.rx_fn = rx_data_fn,
|
|
},
|
|
[L1SCHED_SDCCH8_CBCH] = {
|
|
.name = "SDCCH/8(CBCH)", /* 3GPP TS 05.02, section 3.3.5 */
|
|
.desc = "Cell Broadcast channel on SDCCH/8",
|
|
.gsmtap_chan_type = GSMTAP_CHANNEL_CBCH52,
|
|
.chan_nr = RSL_CHAN_OSMO_CBCH8,
|
|
.ss_nr = 2,
|
|
|
|
/* Same as for L1SCHED_BCCH (xCCH), but Rx only. See above. */
|
|
.burst_buf_size = 4 * GSM_BURST_PL_LEN,
|
|
.rx_fn = rx_data_fn,
|
|
},
|
|
};
|