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diff --git a/Src/eclipse/.metadata/.plugins/org.eclipse.core.resources/.history/42/1029600bb9f100101fc6d5dee7f902b6 b/Src/eclipse/.metadata/.plugins/org.eclipse.core.resources/.history/42/1029600bb9f100101fc6d5dee7f902b6
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index 2f91f98..0000000
--- a/Src/eclipse/.metadata/.plugins/org.eclipse.core.resources/.history/42/1029600bb9f100101fc6d5dee7f902b6
+++ /dev/null
@@ -1,822 +0,0 @@
-/* Cell Scanning code for OsmocomBB */
-
-/* (C) 2010 by Andreas Eversberg <jolly@eversberg.eu>
- *
- * All Rights Reserved
- *
- * 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.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- */
-
-#include <stdio.h>
-#include <stdint.h>
-#include <string.h>
-#include <stdlib.h>
-#include <time.h>
-#include <errno.h>
-
-#include <l1ctl_proto.h>
-
-#include <osmocom/core/logging.h>
-#include <osmocom/core/timer.h>
-#include <osmocom/core/signal.h>
-#include <osmocom/core/msgb.h>
-#include <osmocom/gsm/gsm_utils.h>
-#include <osmocom/gsm/protocol/gsm_04_08.h>
-#include <osmocom/gsm/rsl.h>
-
-#include <osmocom/bb/common/l1ctl.h>
-#include <osmocom/bb/common/osmocom_data.h>
-#include <osmocom/bb/common/lapdm.h>
-#include <osmocom/bb/common/logging.h>
-#include <osmocom/bb/common/networks.h>
-#include <osmocom/bb/common/gps.h>
-#include <osmocom/bb/misc/cell_log.h>
-#include "../../../gsmmap/geo.h"
-
-#define READ_WAIT 2, 0
-#define RACH_WAIT 0, 900000
-#define MIN_RXLEV -106
-#define MAX_DIST 2000
-
-enum {
- SCAN_STATE_PM,
- SCAN_STATE_SYNC,
- SCAN_STATE_READ,
- SCAN_STATE_RACH,
-};
-
-/* ranges of bands */
-static uint16_t band_range[][2] = {{0, 124}, {512, 885}, {955, 1023}, {0, 0}};
-
-#define INFO_FLG_PM 1
-#define INFO_FLG_SYNC 2
-#define INFO_FLG_SI1 4
-#define INFO_FLG_SI2 8
-#define INFO_FLG_SI2bis 16
-#define INFO_FLG_SI2ter 32
-#define INFO_FLG_SI3 64
-#define INFO_FLG_SI4 128
-
-static struct osmocom_ms *ms;
-static struct osmo_timer_list timer;
-
-static struct pm_info {
- uint16_t flags;
- int8_t rxlev;
-} pm[1024];
-
-static int started = 0;
-static int state;
-static int8_t min_rxlev = MIN_RXLEV;
-static int sync_count;
-static int pm_index, pm_gps_valid;
-static double pm_gps_x, pm_gps_y, pm_gps_z;
-static int arfcn;
-static int rach_count;
-static FILE *logfp = NULL;
-extern char *logname;
-extern int RACH_MAX;
-
-
-static struct gsm48_sysinfo sysinfo;
-
-static struct log_si {
- uint16_t flags;
- uint8_t bsic;
- int8_t rxlev;
- uint16_t mcc, mnc, lac, cellid;
- uint8_t ta;
- double latitude, longitude;
-} log_si;
-
-struct rach_ref {
- uint8_t valid;
- uint8_t cr;
- uint8_t t1, t2, t3;
-} rach_ref;
-
-#define LOGFILE(fmt, args...) \
- fprintf(logfp, fmt, ## args);
-#define LOGFLUSH() \
- fflush(logfp);
-
-static void start_sync(void);
-static void start_rach(void);
-static void start_pm(void);
-
-static void log_gps(void)
-{
- if (!g.enable || !g.valid)
- return;
- LOGFILE("position %.8f %.8f\n", g.longitude, g.latitude);
-}
-
-static void log_time(void)
-{
- time_t now;
-
- if (g.enable && g.valid)
- now = g.gmt;
- else
- time(&now);
- LOGFILE("time %lu\n", now);
-}
-
-static void log_frame(char *tag, uint8_t *data)
-{
- int i;
-
- LOGFILE("%s", tag);
- for (i = 0; i < 23; i++)
- LOGFILE(" %02x", *data++);
- LOGFILE("\n");
-}
-
-static void log_pm(void)
-{
- int count = 0, i;
-
- LOGFILE("[power]\n");
- log_time();
- log_gps();
- for (i = 0; i <= 1023; i++) {
- if ((pm[i].flags & INFO_FLG_PM)) {
- if (!count)
- LOGFILE("arfcn %d", i);
- LOGFILE(" %d", pm[i].rxlev);
- count++;
- if (count == 12) {
- LOGFILE("\n");
- count = 0;
- }
- } else {
- if (count) {
- LOGFILE("\n");
- count = 0;
- }
- }
- }
- if (count)
- LOGFILE("\n");
-
- LOGFILE("\n");
- LOGFLUSH();
-}
-
-static void log_sysinfo(void)
-{
- struct rx_meas_stat *meas = &ms->meas;
- struct gsm48_sysinfo *s = &sysinfo;
- int8_t rxlev;
- char ta_str[32] = "";
-
- if (log_si.ta != 0xff)
- sprintf(ta_str, " TA=%d", log_si.ta);
-
- //LOGP(DSUM, LOGL_INFO, "Cell: ARFCN=%d MCC=%s MNC=%s (%s, %s)%s\n",
- // arfcn, gsm_print_mcc(s->mcc), gsm_print_mnc(s->mnc),
- // gsm_get_mcc(s->mcc), gsm_get_mnc(s->mcc, s->mnc), ta_str);
-
- LOGFILE("[SysInfo]\n");
- LOGFILE("arfcn %d\n", s->arfcn);
- log_time();
- log_gps();
- LOGFILE("bsic %d,%d\n", s->bsic >> 3, s->bsic & 7);
- rxlev = meas->rxlev / meas->frames - 110;
- LOGFILE("rxlev %d\n", rxlev);
- if (s->si1)
- log_frame("si1", s->si1_msg);
- if (s->si2)
- log_frame("si2", s->si2_msg);
- if (s->si2bis)
- log_frame("si2bis", s->si2b_msg);
- if (s->si2ter)
- log_frame("si2ter", s->si2t_msg);
- if (s->si3)
- log_frame("si3", s->si3_msg);
- if (s->si4)
- log_frame("si4", s->si4_msg);
- if (log_si.ta != 0xff)
- LOGFILE("ta %d\n", log_si.ta);
-
- LOGFILE("[EndInfo]\n");
- LOGFILE("\n");
- LOGFLUSH();
-}
-
-static void timeout_cb(void *arg)
-{
- switch (state) {
- case SCAN_STATE_READ:
- LOGP(DRR, LOGL_INFO, "Timeout reading BCCH\n");
- start_sync();
- break;
- case SCAN_STATE_RACH:
- LOGP(DRR, LOGL_INFO, "Timeout on RACH\n");
- rach_count++;
- start_rach();
- break;
- }
-}
-
-static void stop_timer(void)
-{
- if (osmo_timer_pending(&timer))
- osmo_timer_del(&timer);
-}
-
-static void start_timer(int sec, int micro)
-{
- stop_timer();
- timer.cb = timeout_cb;
- timer.data = ms;
- osmo_timer_schedule(&timer, sec, micro);
-}
-
-static void start_rach(void)
-{
- struct gsm48_sysinfo *s = &sysinfo;
- uint8_t chan_req_val, chan_req_mask;
- struct msgb *nmsg;
- struct abis_rsl_cchan_hdr *ncch;
-
- if (rach_count == RACH_MAX) {
- log_sysinfo();
- start_sync();
- return;
- }
-
- state = SCAN_STATE_RACH;
-
- if (s->neci) {
- chan_req_mask = 0x0f;
- chan_req_val = 0x01;
- LOGP(DRR, LOGL_INFO, "CHANNEL REQUEST: %02x "
- "(OTHER with NECI)\n", chan_req_val);
- } else {
- chan_req_mask = 0x1f;
- chan_req_val = 0xe0;
- LOGP(DRR, LOGL_INFO, "CHANNEL REQUEST: %02x (OTHER no NECI)\n",
- chan_req_val);
- }
-
- rach_ref.valid = 0;
- rach_ref.cr = random();
- rach_ref.cr &= chan_req_mask;
- rach_ref.cr |= chan_req_val;
-
- nmsg = msgb_alloc_headroom(RSL_ALLOC_SIZE+RSL_ALLOC_HEADROOM,
- RSL_ALLOC_HEADROOM, "GSM 04.06 RSL");
- if (!nmsg)
- return;
- nmsg->l2h = nmsg->data;
- ncch = (struct abis_rsl_cchan_hdr *) msgb_put(nmsg, sizeof(*ncch)
- + 4 + 2 + 2);
- rsl_init_cchan_hdr(ncch, RSL_MT_CHAN_RQD);
- ncch->chan_nr = RSL_CHAN_RACH;
- ncch->data[0] = RSL_IE_REQ_REFERENCE;
- ncch->data[1] = rach_ref.cr;
- ncch->data[2] = (s->ccch_conf == 1) << 7;
- ncch->data[3] = 0;
- ncch->data[4] = RSL_IE_ACCESS_DELAY;
- ncch->data[5] = 0; /* no delay */
- ncch->data[6] = RSL_IE_MS_POWER;
- ncch->data[7] = 0; /* full power */
-
- start_timer(RACH_WAIT);
-
- lapdm_rslms_recvmsg(nmsg, &ms->lapdm_channel);
-}
-
-static void start_sync(void)
-{
- int rxlev = -128;
- int i, dist = 0;
- char dist_str[32] = "";
-
- arfcn = 0xffff;
- for (i = 0; i <= 1023; i++) {
- if ((pm[i].flags & INFO_FLG_PM)
- && !(pm[i].flags & INFO_FLG_SYNC)) {
- if (pm[i].rxlev > rxlev) {
- rxlev = pm[i].rxlev;
- arfcn = i;
- }
- }
- }
- /* if GPS becomes valid, like after exitting a tunnel */
- if (!pm_gps_valid && g.valid) {
- pm_gps_valid = 1;
- geo2space(&pm_gps_x, &pm_gps_y, &pm_gps_z, g.longitude,
- g.latitude);
- }
- if (pm_gps_valid && g.valid) {
- double x, y, z;
-
- geo2space(&x, &y, &z, g.longitude, g.latitude);
- dist = distinspace(pm_gps_x, pm_gps_y, pm_gps_z, x, y, z);
- sprintf(dist_str, " dist %d", (int)dist);
- }
- if (dist > MAX_DIST || arfcn == 0xffff || rxlev < min_rxlev) {
- memset(pm, 0, sizeof(pm));
- pm_index = 0;
- sync_count = 0;
- start_pm();
- return;
- }
- pm[arfcn].flags |= INFO_FLG_SYNC;
- HACK: no use for us right now
- LOGP(DSUM, LOGL_INFO, "Sync ARFCN %d (rxlev %d, %d syncs "
- "left)%s\n", arfcn, pm[arfcn].rxlev, sync_count--, dist_str);
- memset(&sysinfo, 0, sizeof(sysinfo));
- sysinfo.arfcn = arfcn;
- state = SCAN_STATE_SYNC;
- l1ctl_tx_reset_req(ms, L1CTL_RES_T_FULL);
- l1ctl_tx_fbsb_req(ms, arfcn, L1CTL_FBSB_F_FB01SB, 100, 0,
- CCCH_MODE_NONE);
-}
-
-static void start_pm(void)
-{
- uint16_t from, to;
-
- state = SCAN_STATE_PM;
- from = band_range[pm_index][0];
- to = band_range[pm_index][1];
-
- if (from == 0 && to == 0) {
- LOGP(DSUM, LOGL_INFO, "Measurement done\n");
- pm_gps_valid = g.enable && g.valid;
- if (pm_gps_valid)
- geo2space(&pm_gps_x, &pm_gps_y, &pm_gps_z,
- g.longitude, g.latitude);
- log_pm();
- start_sync();
- return;
- }
- LOGP(DSUM, LOGL_INFO, "Measure from %d to %d\n", from, to);
- l1ctl_tx_reset_req(ms, L1CTL_RES_T_FULL);
- l1ctl_tx_pm_req_range(ms, from, to);
-}
-
-static int signal_cb(unsigned int subsys, unsigned int signal,
- void *handler_data, void *signal_data)
-{
- struct osmobb_meas_res *mr;
- struct osmobb_fbsb_res *fr;
- uint16_t index;
-
- if (subsys != SS_L1CTL)
- return 0;
-
- switch (signal) {
- case S_L1CTL_PM_RES:
- mr = signal_data;
- index = mr->band_arfcn & 0x3ff;
- pm[index].flags |= INFO_FLG_PM;
- pm[index].rxlev = mr->rx_lev - 110;
- if (pm[index].rxlev >= min_rxlev)
- sync_count++;
-// printf("rxlev %d = %d (sync_count %d)\n", index, pm[index].rxlev, sync_count);
- break;
- case S_L1CTL_PM_DONE:
- pm_index++;
- start_pm();
- break;
- case S_L1CTL_FBSB_RESP:
- fr = signal_data;
- sysinfo.bsic = fr->bsic;
- state = SCAN_STATE_READ;
- memset(&ms->meas, 0, sizeof(ms->meas));
- memset(&log_si, 0, sizeof(log_si));
- log_si.flags |= INFO_FLG_SYNC;
- log_si.ta = 0xff; /* invalid */
- start_timer(READ_WAIT);
- LOGP(DRR, LOGL_INFO, "Synchronized, start reading\n");
- break;
- case S_L1CTL_FBSB_ERR:
- LOGP(DRR, LOGL_INFO, "Sync failed\n");
- start_sync();
- break;
- case S_L1CTL_RESET:
- if (started)
- break;
- started = 1;
- memset(pm, 0, sizeof(pm));
- pm_index = 0;
- sync_count = 0;
- start_pm();
- }
- return 0;
-}
-
-static int ta_result(uint8_t ta)
-{
- stop_timer();
-
- if (ta == 0xff)
- LOGP(DSUM, LOGL_INFO, "Got assignment reject\n");
- else {
- LOGP(DSUM, LOGL_DEBUG, "Got assignment TA = %d\n", ta);
- log_si.ta = ta;
- }
-
- log_sysinfo();
- start_sync();
-
- return 0;
-}
-
-/* match request reference agains request */
-static int match_ra(struct osmocom_ms *ms, struct gsm48_req_ref *ref)
-{
- uint8_t ia_t1, ia_t2, ia_t3;
-
- /* filter confirmed RACH requests only */
- if (rach_ref.valid && ref->ra == rach_ref.cr) {
- ia_t1 = ref->t1;
- ia_t2 = ref->t2;
- ia_t3 = (ref->t3_high << 3) | ref->t3_low;
- if (ia_t1 == rach_ref.t1 && ia_t2 == rach_ref.t2
- && ia_t3 == rach_ref.t3) {
- LOGP(DRR, LOGL_INFO, "request %02x matches "
- "(fn=%d,%d,%d)\n", ref->ra, ia_t1, ia_t2,
- ia_t3);
- return 1;
- } else
- LOGP(DRR, LOGL_INFO, "request %02x matches but not "
- "frame number (IMM.ASS fn=%d,%d,%d != RACH "
- "fn=%d,%d,%d)\n", ref->ra, ia_t1, ia_t2, ia_t3,
- rach_ref.t1, rach_ref.t2, rach_ref.t3);
- }
-
- return 0;
-}
-
-/* 9.1.18 IMMEDIATE ASSIGNMENT is received */
-static int imm_ass(struct osmocom_ms *ms, struct msgb *msg)
-{
- struct gsm48_imm_ass *ia = msgb_l3(msg);
-
- LOGP(DRR, LOGL_INFO, "IMMEDIATE ASSIGNMENT:\n");
-
- if (state != SCAN_STATE_RACH) {
- LOGP(DRR, LOGL_INFO, "Not for us, no request.\n");
- return 0;
- }
-
- /* request ref */
- if (match_ra(ms, &ia->req_ref)) {
- return ta_result(ia->timing_advance);
- }
- LOGP(DRR, LOGL_INFO, "Request, but not for us.\n");
-
- return 0;
-}
-
-/* 9.1.19 IMMEDIATE ASSIGNMENT EXTENDED is received */
-static int imm_ass_ext(struct osmocom_ms *ms, struct msgb *msg)
-{
- struct gsm48_imm_ass_ext *ia = msgb_l3(msg);
-
- LOGP(DRR, LOGL_INFO, "IMMEDIATE ASSIGNMENT EXTENDED:\n");
-
- if (state != SCAN_STATE_RACH) {
- LOGP(DRR, LOGL_INFO, "Not for us, no request.\n");
- return 0;
- }
-
- /* request ref 1 */
- if (match_ra(ms, &ia->req_ref1)) {
- return ta_result(ia->timing_advance1);
- }
- /* request ref 2 */
- if (match_ra(ms, &ia->req_ref2)) {
- return ta_result(ia->timing_advance2);
- }
- LOGP(DRR, LOGL_INFO, "Request, but not for us.\n");
-
- return 0;
-}
-
-/* 9.1.20 IMMEDIATE ASSIGNMENT REJECT is received */
-static int imm_ass_rej(struct osmocom_ms *ms, struct msgb *msg)
-{
- struct gsm48_imm_ass_rej *ia = msgb_l3(msg);
- int i;
- struct gsm48_req_ref *req_ref;
-
- LOGP(DRR, LOGL_INFO, "IMMEDIATE ASSIGNMENT REJECT:\n");
-
- if (state != SCAN_STATE_RACH) {
- LOGP(DRR, LOGL_INFO, "Not for us, no request.\n");
- return 0;
- }
-
- for (i = 0; i < 4; i++) {
- /* request reference */
- req_ref = (struct gsm48_req_ref *)
- (((uint8_t *)&ia->req_ref1) + i * 4);
- LOGP(DRR, LOGL_INFO, "IMMEDIATE ASSIGNMENT REJECT "
- "(ref 0x%02x)\n", req_ref->ra);
- if (match_ra(ms, req_ref)) {
- return ta_result(0xff);
- }
- }
-
- return 0;
-}
-
-/* receive CCCH at RR layer */
-static int pch_agch(struct osmocom_ms *ms, struct msgb *msg)
-{
- struct gsm48_system_information_type_header *sih = msgb_l3(msg);
-
- switch (sih->system_information) {
- case GSM48_MT_RR_PAG_REQ_1:
- case GSM48_MT_RR_PAG_REQ_2:
- case GSM48_MT_RR_PAG_REQ_3:
- return 0;
- case GSM48_MT_RR_IMM_ASS:
- return imm_ass(ms, msg);
- case GSM48_MT_RR_IMM_ASS_EXT:
- return imm_ass_ext(ms, msg);
- case GSM48_MT_RR_IMM_ASS_REJ:
- return imm_ass_rej(ms, msg);
- default:
- return -EINVAL;
- }
-}
-
-/* check if sysinfo is complete, change to RACH state */
-static int new_sysinfo(void)
-{
- struct gsm48_sysinfo *s = &sysinfo;
-
- /* restart timer */
- start_timer(READ_WAIT);
-
- /* mandatory */
- if (!s->si1 || !s->si2 || !s->si3 || !s->si4) {
- LOGP(DRR, LOGL_INFO, "not all mandatory SI received\n");
- return 0;
- }
-
- /* extended band */
- if (s->nb_ext_ind_si2 && !s->si2bis) {
- LOGP(DRR, LOGL_INFO, "extended ba, but si2bis not received\n");
- return 0;
- }
-
- /* 2ter */
- if (s->si2ter_ind && !s->si2ter) {
- LOGP(DRR, LOGL_INFO, "si2ter_ind, but si2ter not received\n");
- return 0;
- }
-
- LOGP(DRR, LOGL_INFO, "Sysinfo complete\n");
-
- stop_timer();
-
- rach_count = 0;
- start_rach();
-
- return 0;
-}
-
-/* receive BCCH at RR layer */
-static int bcch(struct osmocom_ms *ms, struct msgb *msg)
-{
- struct gsm48_sysinfo *s = &sysinfo;
- struct gsm48_system_information_type_header *sih = msgb_l3(msg);
- uint8_t ccch_mode;
-
- if (msgb_l3len(msg) != 23) {
- LOGP(DRR, LOGL_NOTICE, "Invalid BCCH message length\n");
- return -EINVAL;
- }
- switch (sih->system_information) {
- case GSM48_MT_RR_SYSINFO_1:
- if (!memcmp(sih, s->si1_msg, sizeof(s->si1_msg)))
- return 0;
- LOGP(DRR, LOGL_INFO, "New SYSTEM INFORMATION 1\n");
- gsm48_decode_sysinfo1(s,
- (struct gsm48_system_information_type_1 *) sih,
- msgb_l3len(msg));
- return new_sysinfo();
- case GSM48_MT_RR_SYSINFO_2:
- if (!memcmp(sih, s->si2_msg, sizeof(s->si2_msg)))
- return 0;
- LOGP(DRR, LOGL_INFO, "New SYSTEM INFORMATION 2\n");
- gsm48_decode_sysinfo2(s,
- (struct gsm48_system_information_type_2 *) sih,
- msgb_l3len(msg));
- return new_sysinfo();
- case GSM48_MT_RR_SYSINFO_2bis:
- if (!memcmp(sih, s->si2b_msg, sizeof(s->si2b_msg)))
- return 0;
- LOGP(DRR, LOGL_INFO, "New SYSTEM INFORMATION 2bis\n");
- gsm48_decode_sysinfo2bis(s,
- (struct gsm48_system_information_type_2bis *) sih,
- msgb_l3len(msg));
- return new_sysinfo();
- case GSM48_MT_RR_SYSINFO_2ter:
- if (!memcmp(sih, s->si2t_msg, sizeof(s->si2t_msg)))
- return 0;
- LOGP(DRR, LOGL_INFO, "New SYSTEM INFORMATION 2ter\n");
- gsm48_decode_sysinfo2ter(s,
- (struct gsm48_system_information_type_2ter *) sih,
- msgb_l3len(msg));
- return new_sysinfo();
- case GSM48_MT_RR_SYSINFO_3:
- if (!memcmp(sih, s->si3_msg, sizeof(s->si3_msg)))
- return 0;
- LOGP(DRR, LOGL_INFO, "New SYSTEM INFORMATION 3\n");
- gsm48_decode_sysinfo3(s,
- (struct gsm48_system_information_type_3 *) sih,
- msgb_l3len(msg));
- ccch_mode = (s->ccch_conf == 1) ? CCCH_MODE_COMBINED :
- CCCH_MODE_NON_COMBINED;
- LOGP(DRR, LOGL_INFO, "Changing CCCH_MODE to %d\n", ccch_mode);
- l1ctl_tx_ccch_mode_req(ms, ccch_mode);
- return new_sysinfo();
- case GSM48_MT_RR_SYSINFO_4:
- if (!memcmp(sih, s->si4_msg, sizeof(s->si4_msg)))
- return 0;
- LOGP(DRR, LOGL_INFO, "New SYSTEM INFORMATION 4\n");
- gsm48_decode_sysinfo4(s,
- (struct gsm48_system_information_type_4 *) sih,
- msgb_l3len(msg));
- return new_sysinfo();
- default:
- return -EINVAL;
- }
-}
-
-static int unit_data_ind(struct osmocom_ms *ms, struct msgb *msg)
-{
- struct abis_rsl_rll_hdr *rllh = msgb_l2(msg);
- struct tlv_parsed tv;
- uint8_t ch_type, ch_subch, ch_ts;
-
- DEBUGP(DRSL, "RSLms UNIT DATA IND chan_nr=0x%02x link_id=0x%02x\n",
- rllh->chan_nr, rllh->link_id);
-
- rsl_tlv_parse(&tv, rllh->data, msgb_l2len(msg)-sizeof(*rllh));
- if (!TLVP_PRESENT(&tv, RSL_IE_L3_INFO)) {
- DEBUGP(DRSL, "UNIT_DATA_IND without L3 INFO ?!?\n");
- return -EIO;
- }
- msg->l3h = (uint8_t *) TLVP_VAL(&tv, RSL_IE_L3_INFO);
-
- if (state != SCAN_STATE_READ && state != SCAN_STATE_RACH) {
- return -EINVAL;
- }
-
- rsl_dec_chan_nr(rllh->chan_nr, &ch_type, &ch_subch, &ch_ts);
- switch (ch_type) {
- case RSL_CHAN_PCH_AGCH:
- return pch_agch(ms, msg);
- case RSL_CHAN_BCCH:
- return bcch(ms, msg);
-#if 0
- case RSL_CHAN_Bm_ACCHs:
- case RSL_CHAN_Lm_ACCHs:
- case RSL_CHAN_SDCCH4_ACCH:
- case RSL_CHAN_SDCCH8_ACCH:
- return rx_acch(ms, msg);
-#endif
- default:
- LOGP(DRSL, LOGL_NOTICE, "RSL with chan_nr 0x%02x unknown.\n",
- rllh->chan_nr);
- return -EINVAL;
- }
-}
-
-static int rcv_rll(struct osmocom_ms *ms, struct msgb *msg)
-{
- struct abis_rsl_rll_hdr *rllh = msgb_l2(msg);
- int msg_type = rllh->c.msg_type;
-
- if (msg_type == RSL_MT_UNIT_DATA_IND) {
- unit_data_ind(ms, msg);
- } else
- LOGP(DRSL, LOGL_NOTICE, "RSLms message unhandled\n");
-
- msgb_free(msg);
-
- return 0;
-}
-
-int chan_conf(struct osmocom_ms *ms, struct msgb *msg)
-{
- struct abis_rsl_cchan_hdr *ch = msgb_l2(msg);
- struct gsm48_req_ref *ref = (struct gsm48_req_ref *) (ch->data + 1);
-
- if (msgb_l2len(msg) < sizeof(*ch) + sizeof(*ref)) {
- LOGP(DRR, LOGL_ERROR, "CHAN_CNF too slort\n");
- return -EINVAL;
- }
-
- rach_ref.valid = 1;
- rach_ref.t1 = ref->t1;
- rach_ref.t2 = ref->t2;
- rach_ref.t3 = ref->t3_low | (ref->t3_high << 3);
-
- return 0;
-}
-
-static int rcv_cch(struct osmocom_ms *ms, struct msgb *msg)
-{
- struct abis_rsl_cchan_hdr *ch = msgb_l2(msg);
- int msg_type = ch->c.msg_type;
- int rc;
-
- LOGP(DRSL, LOGL_INFO, "Received '%s' from layer1\n",
- rsl_msg_name(msg_type));
-
- if (state == SCAN_STATE_RACH && msg_type == RSL_MT_CHAN_CONF) {
- rc = chan_conf(ms, msg);
- msgb_free(msg);
- return rc;
- }
-
- LOGP(DRSL, LOGL_NOTICE, "RSLms message unhandled\n");
- msgb_free(msg);
- return 0;
-}
-
-static int rcv_rsl(struct msgb *msg, struct lapdm_entity *le, void *l3ctx)
-{
- struct osmocom_ms *ms = l3ctx;
- struct abis_rsl_common_hdr *rslh = msgb_l2(msg);
- int rc = 0;
-
- switch (rslh->msg_discr & 0xfe) {
- case ABIS_RSL_MDISC_RLL:
- rc = rcv_rll(ms, msg);
- break;
- case ABIS_RSL_MDISC_COM_CHAN:
- rc = rcv_cch(ms, msg);
- break;
- default:
- LOGP(DRSL, LOGL_NOTICE, "unknown RSLms msg_discr 0x%02x\n",
- rslh->msg_discr);
- msgb_free(msg);
- rc = -EINVAL;
- break;
- }
-
- return rc;
-}
-
-int scan_init(struct osmocom_ms *_ms)
-{
- ms = _ms;
- osmo_signal_register_handler(SS_L1CTL, &signal_cb, NULL);
- memset(&timer, 0, sizeof(timer));
- lapdm_channel_set_l3(&ms->lapdm_channel, &rcv_rsl, ms);
- g.enable = 1;
- osmo_gps_init();
- if (osmo_gps_open())
- g.enable = 0;
-
- if (!strcmp(logname, "-"))
- logfp = stdout;
- else
- logfp = fopen(logname, "a");
- if (!logfp) {
- fprintf(stderr, "Failed to open logfile '%s'\n", logname);
- scan_exit();
- return -errno;
- }
- LOGP(DSUM, LOGL_INFO, "Scanner initialized\n");
-
- return 0;
-}
-
-int scan_exit(void)
-{
- LOGP(DSUM, LOGL_INFO, "Scanner exit\n");
- if (g.valid)
- osmo_gps_close();
- if (logfp)
- fclose(logfp);
- osmo_signal_unregister_handler(SS_L1CTL, &signal_cb, NULL);
- stop_timer();
-
- return 0;
-}