[layer23] Alter simulated-delay via VTY on the fly (active channel)

diff --git a/src/host/layer23/include/osmocom/bb/mobile/gsm48_rr.h b/src/host/layer23/include/osmocom/bb/mobile/gsm48_rr.h
index 9a96a84..830c8cf 100644 (file)
--- a/src/host/layer23/include/osmocom/bb/mobile/gsm48_rr.h
+++ b/src/host/layer23/include/osmocom/bb/mobile/gsm48_rr.h
@@ -192,5 +192,6 @@ int gsm48_rr_rach_conf(struct osmocom_ms *ms, uint32_t fn);
 extern const char *gsm48_rr_state_names[];
 int gsm48_rr_start_monitor(struct osmocom_ms *ms);
 int gsm48_rr_stop_monitor(struct osmocom_ms *ms);
+int gsm48_rr_alter_delay(struct osmocom_ms *ms);
 
 #endif /* _GSM48_RR_H */

diff --git a/src/host/layer23/src/mobile/gsm48_rr.c b/src/host/layer23/src/mobile/gsm48_rr.c
index e1d37c0..e44f3f7 100644 (file)
--- a/src/host/layer23/src/mobile/gsm48_rr.c
+++ b/src/host/layer23/src/mobile/gsm48_rr.c
@@ -353,6 +353,21 @@ static uint8_t gsm48_rr_check_mode(struct osmocom_ms *ms, uint8_t chan_nr,
        return 0;
 }
 
+/* apply new "alter_delay" in dedicated mode */
+int gsm48_rr_alter_delay(struct osmocom_ms *ms)
+{
+       struct gsm48_rrlayer *rr = &ms->rrlayer;
+       struct gsm_settings *set = &rr->ms->settings;
+
+       if (rr->state != GSM48_RR_ST_DEDICATED)
+               return -EINVAL;
+       l1ctl_tx_param_req(ms, rr->cd_now.ind_ta - set->alter_delay,
+               (set->alter_tx_power) ? set->alter_tx_power_value
+                                       : rr->cd_now.ind_tx_power);
+
+       return 0;
+}
+
 /*
  * state transition
  */

diff --git a/src/host/layer23/src/mobile/vty_interface.c b/src/host/layer23/src/mobile/vty_interface.c
index 8c3ec02..66afce2 100644 (file)
--- a/src/host/layer23/src/mobile/vty_interface.c
+++ b/src/host/layer23/src/mobile/vty_interface.c
@@ -1123,6 +1123,7 @@ DEFUN(cfg_ms_sim_delay, cfg_ms_sim_delay_cmd, "simulated-delay <-128-127>",
        struct osmocom_ms *ms = vty->index;
 
        ms->settings.alter_delay = atoi(argv[0]);
+       gsm48_rr_alter_delay(ms);
 
        return CMD_SUCCESS;
 }
@@ -1133,6 +1134,7 @@ DEFUN(cfg_ms_no_sim_delay, cfg_ms_no_sim_delay_cmd, "no simulated-delay",
        struct osmocom_ms *ms = vty->index;
 
        ms->settings.alter_delay = 0;
+       gsm48_rr_alter_delay(ms);
 
        return CMD_SUCCESS;
 }