1 /* Messages to be sent between the different layers */
3 /* (C) 2010 by Harald Welte <laforge@gnumonks.org>
4 * (C) 2010 by Holger Hans Peter Freyther
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License along
19 * with this program; if not, write to the Free Software Foundation, Inc.,
20 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
24 #ifndef __L1CTL_PROTO_H__
25 #define __L1CTL_PROTO_H__
36 L1CTL_PM_REQ, /* power measurement */
37 L1CTL_PM_CONF, /* power measurement */
63 CCCH_MODE_NON_COMBINED,
73 #define TRAFFIC_DATA_LEN 40
76 * NOTE: struct size. We do add manual padding out of the believe
77 * that it will avoid some unaligned access.
80 /* there are no more messages in a sequence */
81 #define L1CTL_F_DONE 0x01
88 } __attribute__((packed));
91 * downlink info ... down from the BTS..
93 struct l1ctl_info_dl {
94 /* GSM 08.58 channel number (9.3.1) */
96 /* GSM 08.58 link identifier (9.3.2) */
98 /* the ARFCN and the band. FIXME: what about MAIO? */
103 uint8_t rx_level; /* 0 .. 63 in typical GSM notation (dBm+110) */
104 uint8_t snr; /* Signal/Noise Ration (dB) */
109 } __attribute__((packed));
111 /* new CCCH was found. This is following the header */
112 struct l1ctl_fbsb_conf {
113 int16_t initial_freq_err;
116 /* FIXME: contents of cell_info ? */
117 } __attribute__((packed));
119 /* CCCH mode was changed */
120 struct l1ctl_ccch_mode_conf {
121 uint8_t ccch_mode; /* enum ccch_mode */
123 } __attribute__((packed));
125 /* TCH mode was changed */
126 struct l1ctl_tch_mode_conf {
127 uint8_t tch_mode; /* enum tch_mode */
130 } __attribute__((packed));
132 /* data on the CCCH was found. This is following the header */
133 struct l1ctl_data_ind {
135 } __attribute__((packed));
137 /* traffic from the network */
138 struct l1ctl_traffic_ind {
139 uint8_t data[TRAFFIC_DATA_LEN];
140 } __attribute__((packed));
145 struct l1ctl_info_ul {
146 /* GSM 08.58 channel number (9.3.1) */
148 /* GSM 08.58 link identifier (9.3.2) */
153 } __attribute__((packed));
157 * the l1_info_ul header is in front
159 struct l1ctl_fbsb_req {
161 uint16_t timeout; /* in TDMA frames */
163 uint16_t freq_err_thresh1;
164 uint16_t freq_err_thresh2;
166 uint8_t num_freqerr_avg;
167 uint8_t flags; /* L1CTL_FBSB_F_* */
168 uint8_t sync_info_idx;
169 uint8_t ccch_mode; /* enum ccch_mode */
170 } __attribute__((packed));
172 #define L1CTL_FBSB_F_FB0 (1 << 0)
173 #define L1CTL_FBSB_F_FB1 (1 << 1)
174 #define L1CTL_FBSB_F_SB (1 << 2)
175 #define L1CTL_FBSB_F_FB01SB (L1CTL_FBSB_F_FB0|L1CTL_FBSB_F_FB1|L1CTL_FBSB_F_SB)
178 * msg for CCCH_MODE_REQ
179 * the l1_info_ul header is in front
181 struct l1ctl_ccch_mode_req {
182 uint8_t ccch_mode; /* enum ccch_mode */
184 } __attribute__((packed));
187 * msg for TCH_MODE_REQ
188 * the l1_info_ul header is in front
190 struct l1ctl_tch_mode_req {
191 uint8_t tch_mode; /* enum gsm48_chan_mode */
192 #define AUDIO_TX_MICROPHONE (1<<0)
193 #define AUDIO_TX_TRAFFIC_REQ (1<<1)
194 #define AUDIO_RX_SPEAKER (1<<2)
195 #define AUDIO_RX_TRAFFIC_IND (1<<3)
198 } __attribute__((packed));
200 /* the l1_info_ul header is in front */
201 struct l1ctl_rach_req {
205 } __attribute__((packed));
207 /* the l1_info_ul header is in front */
208 struct l1ctl_par_req {
212 } __attribute__((packed));
216 } __attribute__((packed));
224 } __attribute__((packed));
226 struct l1ctl_dm_est_req {
235 } __attribute__((packed));
237 struct l1ctl_dm_freq_req {
245 } __attribute__((packed));
247 struct l1ctl_crypto_req {
250 } __attribute__((packed));
252 struct l1ctl_pm_req {
258 uint16_t band_arfcn_from;
259 uint16_t band_arfcn_to;
262 } __attribute__((packed));
264 /* a single L1CTL_PM response */
265 struct l1ctl_pm_conf {
268 } __attribute__((packed));
270 enum l1ctl_reset_type {
271 L1CTL_RES_T_BOOT, /* only _IND */
276 /* argument to L1CTL_RESET_REQ and L1CTL_RESET_IND */
280 } __attribute__((packed));
282 struct l1ctl_neigh_pm_req {
285 uint16_t band_arfcn[64];
286 } __attribute__((packed));
288 /* neighbour cell measurement results */
289 struct l1ctl_neigh_pm_ind {
292 } __attribute__((packed));
294 /* traffic data to network */
295 struct l1ctl_traffic_req {
296 uint8_t data[TRAFFIC_DATA_LEN];
297 } __attribute__((packed));
299 #endif /* __L1CTL_PROTO_H__ */