Change in osmo-bts[master]: Introduce NM Channel FSM

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laforge gerrit-no-reply at lists.osmocom.org
Tue Oct 20 13:46:00 UTC 2020


laforge has submitted this change. ( https://gerrit.osmocom.org/c/osmo-bts/+/20311 )

Change subject: Introduce NM Channel FSM
......................................................................

Introduce NM Channel FSM

Change-Id: I288cbfb4730b25a334ef1c3d6b9679d6f1d4cfc5
---
M include/osmo-bts/nm_common_fsm.h
M src/common/Makefile.am
M src/common/bts_trx.c
M src/common/nm_bb_transc_fsm.c
A src/common/nm_channel_fsm.c
M src/common/nm_common_fsm.c
M src/common/nm_radio_carrier_fsm.c
M src/osmo-bts-litecell15/l1_if.c
M src/osmo-bts-litecell15/oml.c
M src/osmo-bts-oc2g/l1_if.c
M src/osmo-bts-oc2g/oml.c
M src/osmo-bts-octphy/l1_if.c
M src/osmo-bts-octphy/l1_oml.c
M src/osmo-bts-omldummy/bts_model.c
M src/osmo-bts-sysmo/l1_if.c
M src/osmo-bts-sysmo/oml.c
M src/osmo-bts-trx/l1_if.c
M src/osmo-bts-virtual/bts_model.c
18 files changed, 394 insertions(+), 147 deletions(-)

Approvals:
  laforge: Looks good to me, approved
  Jenkins Builder: Verified



diff --git a/include/osmo-bts/nm_common_fsm.h b/include/osmo-bts/nm_common_fsm.h
index 4671725..4a82757 100644
--- a/include/osmo-bts/nm_common_fsm.h
+++ b/include/osmo-bts/nm_common_fsm.h
@@ -36,6 +36,9 @@
 	NM_EV_PHYLINK_UP, /* RadioCarrier and BaseBand Transceiver only */
 	NM_EV_PHYLINK_DOWN,  /* RadioCarrier and BaseBand Transceiver only */
 	NM_EV_DISABLE,  /* RadioCarrier and BaseBand Transceiver only */
+	NM_EV_BBTRANSC_INSTALLED, /* Radio Channel only */
+	NM_EV_BBTRANSC_ENABLED, /* Radio Channel only */
+	NM_EV_BBTRANSC_DISABLED, /* Radio Channel only */
 
 };
 extern const struct value_string nm_fsm_event_names[];
@@ -72,3 +75,12 @@
 	NM_RCARRIER_ST_OP_ENABLED,
 };
 extern struct osmo_fsm nm_rcarrier_fsm;
+
+/* Radio channel */
+enum nm_chan_op_fsm_states {
+        NM_CHAN_ST_OP_DISABLED_NOTINSTALLED,
+        NM_CHAN_ST_OP_DISABLED_DEPENDENCY,
+        NM_CHAN_ST_OP_DISABLED_OFFLINE,
+        NM_CHAN_ST_OP_ENABLED,
+};
+extern struct osmo_fsm nm_chan_fsm;
diff --git a/src/common/Makefile.am b/src/common/Makefile.am
index 7156785..d979bc0 100644
--- a/src/common/Makefile.am
+++ b/src/common/Makefile.am
@@ -41,6 +41,7 @@
 	nm_bts_sm_fsm.c \
 	nm_bts_fsm.c \
 	nm_bb_transc_fsm.c \
+	nm_channel_fsm.c \
 	nm_radio_carrier_fsm.c \
 	$(NULL)
 
diff --git a/src/common/bts_trx.c b/src/common/bts_trx.c
index 04c21c3..6bb18a3 100644
--- a/src/common/bts_trx.c
+++ b/src/common/bts_trx.c
@@ -32,6 +32,8 @@
 
 static int gsm_bts_trx_talloc_destructor(struct gsm_bts_trx *trx)
 {
+	unsigned int i;
+
 	if (trx->bb_transc.mo.fi) {
 		osmo_fsm_inst_free(trx->bb_transc.mo.fi);
 		trx->bb_transc.mo.fi = NULL;
@@ -40,6 +42,13 @@
 		osmo_fsm_inst_free(trx->mo.fi);
 		trx->mo.fi = NULL;
 	}
+	for (i = 0; i < TRX_NR_TS; i++) {
+		struct gsm_bts_trx_ts *ts = &trx->ts[i];
+		if (ts->mo.fi) {
+			osmo_fsm_inst_free(ts->mo.fi);
+			ts->mo.fi = NULL;
+		}
+	}
 	return 0;
 }
 
@@ -79,6 +88,10 @@
 		ts->dyn.pchan_want = GSM_PCHAN_NONE;
 		ts->tsc = -1;
 
+		ts->mo.fi = osmo_fsm_inst_alloc(&nm_chan_fsm, trx, ts,
+						     LOGL_INFO, NULL);
+		osmo_fsm_inst_update_id_f(ts->mo.fi, "bts%d-trx%d-ts%d",
+					  bts->nr, trx->nr, ts->nr);
 		gsm_mo_init(&ts->mo, bts, NM_OC_CHANNEL,
 			    bts->nr, trx->nr, ts->nr);
 
diff --git a/src/common/nm_bb_transc_fsm.c b/src/common/nm_bb_transc_fsm.c
index b23ff53..936451f 100644
--- a/src/common/nm_bb_transc_fsm.c
+++ b/src/common/nm_bb_transc_fsm.c
@@ -55,11 +55,17 @@
 static void st_op_disabled_notinstalled(struct osmo_fsm_inst *fi, uint32_t event, void *data)
 {
 	struct gsm_bts_bb_trx *bb_transc = (struct gsm_bts_bb_trx *)fi->priv;
+	struct gsm_bts_trx *trx = gsm_bts_bb_trx_get_trx(bb_transc);
+	int i;
 
 	switch (event) {
 	case NM_EV_SW_ACT:
 		oml_mo_tx_sw_act_rep(&bb_transc->mo);
 		nm_bb_transc_fsm_state_chg(fi, NM_BBTRANSC_ST_OP_DISABLED_OFFLINE);
+		for (i = 0; i < TRX_NR_TS; i++) {
+			struct gsm_bts_trx_ts *ts = &trx->ts[i];
+			osmo_fsm_inst_dispatch(ts->mo.fi, NM_EV_BBTRANSC_INSTALLED, NULL);
+		}
 		return;
 	case NM_EV_RSL_UP:
 		return;
@@ -79,8 +85,18 @@
 static void st_op_disabled_offline_on_enter(struct osmo_fsm_inst *fi, uint32_t prev_state)
 {
 	struct gsm_bts_bb_trx *bb_transc = (struct gsm_bts_bb_trx *)fi->priv;
+	struct gsm_bts_trx *trx = gsm_bts_bb_trx_get_trx(bb_transc);
+	int i;
+
 	bb_transc->mo.opstart_success = false;
 	oml_mo_state_chg(&bb_transc->mo, NM_OPSTATE_DISABLED, NM_AVSTATE_OFF_LINE);
+
+	if (prev_state == NM_BBTRANSC_ST_OP_ENABLED) {
+		for (i = 0; i < TRX_NR_TS; i++) {
+			struct gsm_bts_trx_ts *ts = &trx->ts[i];
+			osmo_fsm_inst_dispatch(ts->mo.fi, NM_EV_BBTRANSC_DISABLED, NULL);
+		}
+	}
 }
 
 static void st_op_disabled_offline(struct osmo_fsm_inst *fi, uint32_t event, void *data)
@@ -138,7 +154,15 @@
 static void st_op_enabled_on_enter(struct osmo_fsm_inst *fi, uint32_t prev_state)
 {
 	struct gsm_bts_bb_trx *bb_transc = (struct gsm_bts_bb_trx *)fi->priv;
+	struct gsm_bts_trx *trx = gsm_bts_bb_trx_get_trx(bb_transc);
+	uint8_t tn;
+
 	oml_mo_state_chg(&bb_transc->mo, NM_OPSTATE_ENABLED, NM_AVSTATE_OK);
+	/* Mark Dependency TS as Offline (ready to be Opstarted) */
+	for (tn = 0; tn < TRX_NR_TS; tn++) {
+		struct gsm_bts_trx_ts *ts = &trx->ts[tn];
+		osmo_fsm_inst_dispatch(ts->mo.fi, NM_EV_BBTRANSC_ENABLED, NULL);
+	}
 }
 
 static void st_op_enabled(struct osmo_fsm_inst *fi, uint32_t event, void *data)
diff --git a/src/common/nm_channel_fsm.c b/src/common/nm_channel_fsm.c
new file mode 100644
index 0000000..263d2cc
--- /dev/null
+++ b/src/common/nm_channel_fsm.c
@@ -0,0 +1,210 @@
+/* NM Radio Carrier FSM */
+
+/* (C) 2020 by sysmocom - s.m.f.c. GmbH <info at sysmocom.de>
+ * Author: Pau Espin Pedrol <pespin at sysmocom.de>
+ *
+ * All Rights Reserved
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation; either version 3 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 Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include <errno.h>
+#include <unistd.h>
+#include <inttypes.h>
+
+#include <osmocom/core/fsm.h>
+#include <osmocom/core/tdef.h>
+#include <osmocom/gsm/protocol/gsm_12_21.h>
+
+#include <osmo-bts/logging.h>
+#include <osmo-bts/gsm_data.h>
+#include <osmo-bts/bts_model.h>
+#include <osmo-bts/bts.h>
+#include <osmo-bts/rsl.h>
+#include <osmo-bts/nm_common_fsm.h>
+
+#define X(s) (1 << (s))
+
+#define nm_chan_fsm_state_chg(fi, NEXT_STATE) \
+	osmo_fsm_inst_state_chg(fi, NEXT_STATE, 0, 0)
+
+//////////////////////////
+// FSM STATE ACTIONS
+//////////////////////////
+
+static void st_op_disabled_notinstalled_on_enter(struct osmo_fsm_inst *fi, uint32_t prev_state)
+{
+	struct gsm_bts_trx_ts *ts = (struct gsm_bts_trx_ts *)fi->priv;
+	ts->mo.opstart_success = false;
+	oml_mo_state_chg(&ts->mo, NM_OPSTATE_DISABLED, NM_AVSTATE_NOT_INSTALLED);
+}
+
+static void st_op_disabled_notinstalled(struct osmo_fsm_inst *fi, uint32_t event, void *data)
+{
+	struct gsm_bts_trx_ts *ts = (struct gsm_bts_trx_ts *)fi->priv;
+
+	switch (event) {
+	case NM_EV_BBTRANSC_INSTALLED:
+		oml_mo_tx_sw_act_rep(&ts->mo);
+		if (ts->trx->bb_transc.mo.nm_state.operational == NM_OPSTATE_ENABLED)
+			nm_chan_fsm_state_chg(fi, NM_CHAN_ST_OP_DISABLED_OFFLINE);
+		else
+			nm_chan_fsm_state_chg(fi, NM_CHAN_ST_OP_DISABLED_DEPENDENCY);
+		return;
+	default:
+		OSMO_ASSERT(0);
+	}
+}
+
+static void st_op_disabled_dependency_on_enter(struct osmo_fsm_inst *fi, uint32_t prev_state)
+{
+	struct gsm_bts_trx_ts *ts = (struct gsm_bts_trx_ts *)fi->priv;
+	ts->mo.opstart_success = false;
+	oml_mo_state_chg(&ts->mo, NM_OPSTATE_DISABLED, NM_AVSTATE_DEPENDENCY);
+}
+
+static void st_op_disabled_dependency(struct osmo_fsm_inst *fi, uint32_t event, void *data)
+{
+	struct gsm_bts_trx_ts *ts = (struct gsm_bts_trx_ts *)fi->priv;
+
+	switch (event) {
+	case NM_EV_OPSTART_ACK:
+		 LOGPFSML(fi, LOGL_NOTICE, "BSC trying to activate TS while still in avail=dependency. "
+			  "Allowing it to stay backward-compatible with older osmo-bts versions, but BSC is wrong.\n");
+		ts->mo.opstart_success = true;
+		oml_mo_opstart_ack(&ts->mo);
+		nm_chan_fsm_state_chg(fi, NM_CHAN_ST_OP_ENABLED);
+		return;
+	case NM_EV_OPSTART_NACK:
+		ts->mo.opstart_success = false;
+		oml_mo_opstart_nack(&ts->mo, (int)(intptr_t)data);
+		return;
+	case NM_EV_BBTRANSC_ENABLED:
+		oml_mo_state_chg(&ts->mo, NM_OPSTATE_DISABLED, NM_AVSTATE_OFF_LINE);
+		return;
+	default:
+		OSMO_ASSERT(0);
+	}
+}
+
+static void st_op_disabled_offline_on_enter(struct osmo_fsm_inst *fi, uint32_t prev_state)
+{
+	struct gsm_bts_trx_ts *ts = (struct gsm_bts_trx_ts *)fi->priv;
+	ts->mo.opstart_success = false;
+	oml_mo_state_chg(&ts->mo, NM_OPSTATE_DISABLED, NM_AVSTATE_OFF_LINE);
+}
+
+static void st_op_disabled_offline(struct osmo_fsm_inst *fi, uint32_t event, void *data)
+{
+	struct gsm_bts_trx_ts *ts = (struct gsm_bts_trx_ts *)fi->priv;
+
+	switch (event) {
+	case NM_EV_OPSTART_ACK:
+		ts->mo.opstart_success = true;
+		oml_mo_opstart_ack(&ts->mo);
+		nm_chan_fsm_state_chg(fi, NM_CHAN_ST_OP_ENABLED);
+		return;
+	case NM_EV_OPSTART_NACK:
+		ts->mo.opstart_success = false;
+		oml_mo_opstart_nack(&ts->mo, (int)(intptr_t)data);
+		return;
+	case NM_EV_BBTRANSC_DISABLED:
+		oml_mo_state_chg(&ts->mo, NM_OPSTATE_DISABLED, NM_AVSTATE_DEPENDENCY);
+		return;
+	default:
+		OSMO_ASSERT(0);
+	}
+}
+
+static void st_op_enabled_on_enter(struct osmo_fsm_inst *fi, uint32_t prev_state)
+{
+	struct gsm_bts_trx_ts *ts = (struct gsm_bts_trx_ts *)fi->priv;
+	oml_mo_state_chg(&ts->mo, NM_OPSTATE_ENABLED, NM_AVSTATE_OK);
+}
+
+static void st_op_enabled(struct osmo_fsm_inst *fi, uint32_t event, void *data)
+{
+	switch (event) {
+	case NM_EV_BBTRANSC_DISABLED:
+		nm_chan_fsm_state_chg(fi, NM_CHAN_ST_OP_DISABLED_DEPENDENCY);
+		return;
+	case NM_EV_DISABLE:
+		nm_chan_fsm_state_chg(fi, NM_CHAN_ST_OP_DISABLED_OFFLINE);
+		return;
+	default:
+		OSMO_ASSERT(0);
+	}
+}
+
+static struct osmo_fsm_state nm_chan_fsm_states[] = {
+	[NM_CHAN_ST_OP_DISABLED_NOTINSTALLED] = {
+		.in_event_mask =
+			X(NM_EV_BBTRANSC_INSTALLED),
+		.out_state_mask =
+			X(NM_CHAN_ST_OP_DISABLED_OFFLINE) |
+			X(NM_CHAN_ST_OP_DISABLED_DEPENDENCY),
+		.name = "DISABLED_NOTINSTALLED",
+		.onenter = st_op_disabled_notinstalled_on_enter,
+		.action = st_op_disabled_notinstalled,
+	},
+	[NM_CHAN_ST_OP_DISABLED_DEPENDENCY] = {
+		.in_event_mask =
+			X(NM_EV_OPSTART_ACK) |  /* backward compatibility, buggy BSC */
+			X(NM_EV_OPSTART_NACK) |
+			X(NM_EV_BBTRANSC_ENABLED),
+		.out_state_mask =
+			X(NM_CHAN_ST_OP_DISABLED_OFFLINE) |
+			X(NM_CHAN_ST_OP_ENABLED), /* backward compatibility, buggy BSC */
+		.name = "DISABLED_DEPENDENCY",
+		.onenter = st_op_disabled_dependency_on_enter,
+		.action = st_op_disabled_dependency,
+	},
+	[NM_CHAN_ST_OP_DISABLED_OFFLINE] = {
+		.in_event_mask =
+			X(NM_EV_OPSTART_ACK) |
+			X(NM_EV_OPSTART_NACK) |
+			X(NM_EV_BBTRANSC_DISABLED),
+		.out_state_mask =
+			X(NM_CHAN_ST_OP_ENABLED) |
+			X(NM_CHAN_ST_OP_DISABLED_DEPENDENCY),
+		.name = "DISABLED_OFFLINE",
+		.onenter = st_op_disabled_offline_on_enter,
+		.action = st_op_disabled_offline,
+	},
+	[NM_CHAN_ST_OP_ENABLED] = {
+		.in_event_mask =
+			X(NM_EV_BBTRANSC_DISABLED) |
+			X(NM_EV_DISABLE),
+		.out_state_mask =
+			X(NM_CHAN_ST_OP_DISABLED_OFFLINE) |
+			X(NM_CHAN_ST_OP_DISABLED_DEPENDENCY),
+		.name = "ENABLED",
+		.onenter = st_op_enabled_on_enter,
+		.action = st_op_enabled,
+	},
+};
+
+struct osmo_fsm nm_chan_fsm = {
+	.name = "NM_CHAN_OP",
+	.states = nm_chan_fsm_states,
+	.num_states = ARRAY_SIZE(nm_chan_fsm_states),
+	.event_names = nm_fsm_event_names,
+	.log_subsys = DOML,
+};
+
+static __attribute__((constructor)) void nm_chan_fsm_init(void)
+{
+	OSMO_ASSERT(osmo_fsm_register(&nm_chan_fsm) == 0);
+}
diff --git a/src/common/nm_common_fsm.c b/src/common/nm_common_fsm.c
index 8804569..b2fd451 100644
--- a/src/common/nm_common_fsm.c
+++ b/src/common/nm_common_fsm.c
@@ -32,5 +32,8 @@
 	{ NM_EV_PHYLINK_UP, "PHYLINK_UP" },
 	{ NM_EV_PHYLINK_DOWN, "PHYLINK_DOWN" },
 	{ NM_EV_DISABLE, "DISABLE" },
+	{ NM_EV_BBTRANSC_INSTALLED, "BBTRANSC_INSTALLED" },
+	{ NM_EV_BBTRANSC_ENABLED, "BBTRANSC_ENABLED" },
+	{ NM_EV_BBTRANSC_DISABLED, "BBTRANSC_DISABLED" },
 	{ 0, NULL }
 };
diff --git a/src/common/nm_radio_carrier_fsm.c b/src/common/nm_radio_carrier_fsm.c
index 01849d1..d8291f8 100644
--- a/src/common/nm_radio_carrier_fsm.c
+++ b/src/common/nm_radio_carrier_fsm.c
@@ -136,16 +136,7 @@
 static void st_op_enabled_on_enter(struct osmo_fsm_inst *fi, uint32_t prev_state)
 {
 	struct gsm_bts_trx *trx = (struct gsm_bts_trx *)fi->priv;
-	uint8_t tn;
 	oml_mo_state_chg(&trx->mo, NM_OPSTATE_ENABLED, NM_AVSTATE_OK);
-
-	/* Mark Dependency TS as Offline (ready to be Opstarted) */
-	for (tn = 0; tn < TRX_NR_TS; tn++) {
-		if (trx->ts[tn].mo.nm_state.operational == NM_OPSTATE_DISABLED &&
-		    trx->ts[tn].mo.nm_state.availability ==  NM_AVSTATE_DEPENDENCY) {
-			oml_mo_state_chg(&trx->ts[tn].mo, NM_OPSTATE_DISABLED, NM_AVSTATE_OFF_LINE);
-		}
-	}
 }
 
 static void st_op_enabled(struct osmo_fsm_inst *fi, uint32_t event, void *data)
diff --git a/src/osmo-bts-litecell15/l1_if.c b/src/osmo-bts-litecell15/l1_if.c
index 94fd165..b7c24c0 100644
--- a/src/osmo-bts-litecell15/l1_if.c
+++ b/src/osmo-bts-litecell15/l1_if.c
@@ -1273,9 +1273,6 @@
 		/* signal availability */
 		osmo_fsm_inst_dispatch(trx->mo.fi, NM_EV_SW_ACT, NULL);
 		osmo_fsm_inst_dispatch(trx->bb_transc.mo.fi, NM_EV_SW_ACT, NULL);
-
-		for (i = 0; i < ARRAY_SIZE(trx->ts); i++)
-			oml_mo_state_chg(&trx->ts[i].mo, NM_OPSTATE_DISABLED, NM_AVSTATE_DEPENDENCY);
 	} else {
 		if (bts_lc15->led_ctrl_mode == LC15_LED_CONTROL_BTS)
 			bts_update_status(BTS_STATUS_RF_ACTIVE, 0);
diff --git a/src/osmo-bts-litecell15/oml.c b/src/osmo-bts-litecell15/oml.c
index d810987..1fe7205 100644
--- a/src/osmo-bts-litecell15/oml.c
+++ b/src/osmo-bts-litecell15/oml.c
@@ -277,38 +277,41 @@
 			get_value_string(lc15bts_l1prim_names, l1p->id),
 			get_value_string(lc15bts_l1status_names, status));
 		msgb_free(l1_msg);
-		if (mo->obj_class == NM_OC_RADIO_CARRIER)
+		switch (mo->obj_class) {
+		case NM_OC_RADIO_CARRIER:
 			return osmo_fsm_inst_dispatch(trx->mo.fi, NM_EV_OPSTART_NACK,
 						      (void*)(intptr_t)NM_NACK_CANT_PERFORM);
-		else
-			return oml_mo_opstart_nack(mo, NM_NACK_CANT_PERFORM);
-	}
-
-	msgb_free(l1_msg);
-
-	/* We already have a FSM for Radio Carrier, handle it there */
-	if (mo->obj_class == NM_OC_RADIO_CARRIER)
-		return osmo_fsm_inst_dispatch(trx->mo.fi, NM_EV_OPSTART_ACK, NULL);
-
-	/* Set to Operational State: Enabled */
-	oml_mo_state_chg(mo, NM_OPSTATE_ENABLED, NM_AVSTATE_OK);
-
-	/* ugly hack to auto-activate all SAPIs for the BCCH/CCCH on TS0 */
-	if (mo->obj_class == NM_OC_CHANNEL && mo->obj_inst.trx_nr == 0 &&
-	    mo->obj_inst.ts_nr == 0) {
-		struct gsm_lchan *cbch = gsm_bts_get_cbch(mo->bts);
-		DEBUGP(DL1C, "====> trying to activate lchans of BCCH\n");
-		mo->bts->c0->ts[0].lchan[CCCH_LCHAN].rel_act_kind =
-			LCHAN_REL_ACT_OML;
-		lchan_activate(&mo->bts->c0->ts[0].lchan[CCCH_LCHAN]);
-		if (cbch) {
-			cbch->rel_act_kind = LCHAN_REL_ACT_OML;
-			lchan_activate(cbch);
+		case NM_OC_CHANNEL:
+			return osmo_fsm_inst_dispatch(trx->ts[mo->obj_inst.ts_nr].mo.fi, NM_EV_OPSTART_NACK,
+						      (void*)(intptr_t)NM_NACK_CANT_PERFORM);
+		default:
+			OSMO_ASSERT(0);
 		}
 	}
 
-	/* Send OPSTART ack */
-	return oml_mo_opstart_ack(mo);
+	msgb_free(l1_msg);
+	switch (mo->obj_class) {
+	case NM_OC_RADIO_CARRIER:
+		return osmo_fsm_inst_dispatch(trx->mo.fi, NM_EV_OPSTART_ACK, NULL);
+	case NM_OC_CHANNEL:
+		/* ugly hack to auto-activate all SAPIs for the BCCH/CCCH on TS0 */
+		if (mo->obj_inst.trx_nr == 0 &&
+		    mo->obj_inst.ts_nr == 0) {
+			struct gsm_lchan *cbch = gsm_bts_get_cbch(mo->bts);
+			DEBUGP(DL1C, "====> trying to activate lchans of BCCH\n");
+			mo->bts->c0->ts[0].lchan[CCCH_LCHAN].rel_act_kind =
+				LCHAN_REL_ACT_OML;
+			lchan_activate(&mo->bts->c0->ts[0].lchan[CCCH_LCHAN]);
+			if (cbch) {
+				cbch->rel_act_kind = LCHAN_REL_ACT_OML;
+				lchan_activate(cbch);
+			}
+		}
+		return osmo_fsm_inst_dispatch(trx->ts[mo->obj_inst.ts_nr].mo.fi,
+					      NM_EV_OPSTART_ACK, NULL);
+	default:
+		OSMO_ASSERT(0);
+	}
 }
 
 static int opstart_compl_cb(struct gsm_bts_trx *trx, struct msgb *l1_msg,
@@ -1886,6 +1889,7 @@
 {
 	struct gsm_bts_bb_trx *bb_transc;
 	struct gsm_bts_trx *trx;
+	struct gsm_bts_trx_ts *ts;
 	int rc;
 
 	switch (mo->obj_class) {
@@ -1904,7 +1908,8 @@
 		rc = osmo_fsm_inst_dispatch(bb_transc->mo.fi, NM_EV_OPSTART_ACK, NULL);
 		break;
 	case NM_OC_CHANNEL:
-		rc = ts_opstart(obj);
+		ts = (struct gsm_bts_trx_ts*) obj;
+		rc = ts_opstart(ts);
 		break;
 	case NM_OC_GPRS_NSE:
 	case NM_OC_GPRS_CELL:
diff --git a/src/osmo-bts-oc2g/l1_if.c b/src/osmo-bts-oc2g/l1_if.c
index 4044f43..475edd2 100644
--- a/src/osmo-bts-oc2g/l1_if.c
+++ b/src/osmo-bts-oc2g/l1_if.c
@@ -1328,9 +1328,6 @@
 		/* signal availability */
 		osmo_fsm_inst_dispatch(trx->mo.fi, NM_EV_SW_ACT, NULL);
 		osmo_fsm_inst_dispatch(trx->bb_transc.mo.fi, NM_EV_SW_ACT, NULL);
-
-		for (i = 0; i < ARRAY_SIZE(trx->ts); i++)
-			oml_mo_state_chg(&trx->ts[i].mo, NM_OPSTATE_DISABLED, NM_AVSTATE_DEPENDENCY);
 	} else {
 		bts_update_status(BTS_STATUS_RF_ACTIVE, 0);
 		osmo_fsm_inst_dispatch(trx->mo.fi, NM_EV_DISABLE, NULL);
diff --git a/src/osmo-bts-oc2g/oml.c b/src/osmo-bts-oc2g/oml.c
index 2efa577..6403a22 100644
--- a/src/osmo-bts-oc2g/oml.c
+++ b/src/osmo-bts-oc2g/oml.c
@@ -277,38 +277,41 @@
 			get_value_string(oc2gbts_l1prim_names, l1p->id),
 			get_value_string(oc2gbts_l1status_names, status));
 		msgb_free(l1_msg);
-		if (mo->obj_class == NM_OC_RADIO_CARRIER)
+		switch (mo->obj_class) {
+		case NM_OC_RADIO_CARRIER:
 			return osmo_fsm_inst_dispatch(trx->mo.fi, NM_EV_OPSTART_NACK,
 						      (void*)(intptr_t)NM_NACK_CANT_PERFORM);
-		else
-			return oml_mo_opstart_nack(mo, NM_NACK_CANT_PERFORM);
-	}
-
-	msgb_free(l1_msg);
-
-	/* We already have a FSM for Radio Carrier, handle it there */
-	if (mo->obj_class == NM_OC_RADIO_CARRIER)
-		return osmo_fsm_inst_dispatch(trx->mo.fi, NM_EV_OPSTART_ACK, NULL);
-
-	/* Set to Operational State: Enabled */
-	oml_mo_state_chg(mo, NM_OPSTATE_ENABLED, NM_AVSTATE_OK);
-
-	/* ugly hack to auto-activate all SAPIs for the BCCH/CCCH on TS0 */
-	if (mo->obj_class == NM_OC_CHANNEL && mo->obj_inst.trx_nr == 0 &&
-	    mo->obj_inst.ts_nr == 0) {
-		struct gsm_lchan *cbch = gsm_bts_get_cbch(mo->bts);
-		DEBUGP(DL1C, "====> trying to activate lchans of BCCH\n");
-		mo->bts->c0->ts[0].lchan[CCCH_LCHAN].rel_act_kind =
-			LCHAN_REL_ACT_OML;
-		lchan_activate(&mo->bts->c0->ts[0].lchan[CCCH_LCHAN]);
-		if (cbch) {
-			cbch->rel_act_kind = LCHAN_REL_ACT_OML;
-			lchan_activate(cbch);
+		case NM_OC_CHANNEL:
+			return osmo_fsm_inst_dispatch(trx->ts[mo->obj_inst.ts_nr].mo.fi, NM_EV_OPSTART_NACK,
+						      (void*)(intptr_t)NM_NACK_CANT_PERFORM);
+		default:
+			OSMO_ASSERT(0);
 		}
 	}
 
-	/* Send OPSTART ack */
-	return oml_mo_opstart_ack(mo);
+	msgb_free(l1_msg);
+	switch (mo->obj_class) {
+	case NM_OC_RADIO_CARRIER:
+		return osmo_fsm_inst_dispatch(trx->mo.fi, NM_EV_OPSTART_ACK, NULL);
+	case NM_OC_CHANNEL:
+		/* ugly hack to auto-activate all SAPIs for the BCCH/CCCH on TS0 */
+		if (mo->obj_inst.trx_nr == 0 &&
+		    mo->obj_inst.ts_nr == 0) {
+			struct gsm_lchan *cbch = gsm_bts_get_cbch(mo->bts);
+			DEBUGP(DL1C, "====> trying to activate lchans of BCCH\n");
+			mo->bts->c0->ts[0].lchan[CCCH_LCHAN].rel_act_kind =
+				LCHAN_REL_ACT_OML;
+			lchan_activate(&mo->bts->c0->ts[0].lchan[CCCH_LCHAN]);
+			if (cbch) {
+				cbch->rel_act_kind = LCHAN_REL_ACT_OML;
+				lchan_activate(cbch);
+			}
+		}
+		return osmo_fsm_inst_dispatch(trx->ts[mo->obj_inst.ts_nr].mo.fi,
+					      NM_EV_OPSTART_ACK, NULL);
+	default:
+		OSMO_ASSERT(0);
+	}
 }
 
 static int opstart_compl_cb(struct gsm_bts_trx *trx, struct msgb *l1_msg,
@@ -1894,6 +1897,7 @@
 {
 	struct gsm_bts_bb_trx *bb_transc;
 	struct gsm_bts_trx* trx;
+	struct gsm_bts_trx_ts *ts;
 	int rc;
 
 	switch (mo->obj_class) {
@@ -1916,6 +1920,7 @@
 		rc = osmo_fsm_inst_dispatch(bb_transc->mo.fi, NM_EV_OPSTART_ACK, NULL);
 		break;
 	case NM_OC_CHANNEL:
+		ts = (struct gsm_bts_trx_ts*) obj;
 		rc = ts_opstart(obj);
 		break;
 	case NM_OC_GPRS_NSE:
diff --git a/src/osmo-bts-octphy/l1_if.c b/src/osmo-bts-octphy/l1_if.c
index c7e0b42..4dc399e 100644
--- a/src/osmo-bts-octphy/l1_if.c
+++ b/src/osmo-bts-octphy/l1_if.c
@@ -310,15 +310,10 @@
 /* For OctPHY, this only about sending state changes to BSC */
 int l1if_activate_rf(struct gsm_bts_trx *trx, int on)
 {
-	int i;
 	if (on) {
 		/* signal availability */
 		osmo_fsm_inst_dispatch(trx->mo.fi, NM_EV_SW_ACT, NULL);
 		osmo_fsm_inst_dispatch(trx->bb_transc.mo.fi, NM_EV_SW_ACT, NULL);
-
-		for (i = 0; i < ARRAY_SIZE(trx->ts); i++)
-			oml_mo_state_chg(&trx->ts[i].mo, NM_OPSTATE_DISABLED,
-					 NM_AVSTATE_DEPENDENCY);
 	} else {
 		osmo_fsm_inst_dispatch(trx->mo.fi, NM_EV_DISABLE, NULL);
 		osmo_fsm_inst_dispatch(trx->bb_transc.mo.fi, NM_EV_DISABLE, NULL);
diff --git a/src/osmo-bts-octphy/l1_oml.c b/src/osmo-bts-octphy/l1_oml.c
index a72367c..bf17125 100644
--- a/src/osmo-bts-octphy/l1_oml.c
+++ b/src/osmo-bts-octphy/l1_oml.c
@@ -190,28 +190,28 @@
 	struct gsm_bts_trx *trx = gsm_bts_trx_num(mo->bts, mo->obj_inst.trx_nr);
 	/* TODO: Send NACK in case of error! */
 
-	/* We already have a FSM for Radio Carrier, handle it there */
-	if (mo->obj_class == NM_OC_RADIO_CARRIER)
+	switch (mo->obj_class) {
+	case NM_OC_RADIO_CARRIER:
 		return osmo_fsm_inst_dispatch(trx->mo.fi, NM_EV_OPSTART_ACK, NULL);
-
-	/* Set to Operational State: Enabled */
-	oml_mo_state_chg(mo, NM_OPSTATE_ENABLED, NM_AVSTATE_OK);
-
-	/* hack to auto-activate all SAPIs for the BCCH/CCCH on TS0 */
-	if (mo->obj_class == NM_OC_CHANNEL && mo->obj_inst.trx_nr == 0 &&
-	    mo->obj_inst.ts_nr == 7) {
-		struct gsm_lchan *cbch = gsm_bts_get_cbch(mo->bts);
-		mo->bts->c0->ts[0].lchan[CCCH_LCHAN].rel_act_kind =
-			LCHAN_REL_ACT_OML;
-		lchan_activate(&mo->bts->c0->ts[0].lchan[CCCH_LCHAN]);
-		if (cbch) {
-			cbch->rel_act_kind = LCHAN_REL_ACT_OML;
-			lchan_activate(cbch);
+	case NM_OC_CHANNEL:
+		/* ugly hack to auto-activate all SAPIs for the BCCH/CCCH on TS0 */
+		if (mo->obj_inst.trx_nr == 0 &&
+		    mo->obj_inst.ts_nr == 0) {
+			struct gsm_lchan *cbch = gsm_bts_get_cbch(mo->bts);
+			DEBUGP(DL1C, "====> trying to activate lchans of BCCH\n");
+			mo->bts->c0->ts[0].lchan[CCCH_LCHAN].rel_act_kind =
+				LCHAN_REL_ACT_OML;
+			lchan_activate(&mo->bts->c0->ts[0].lchan[CCCH_LCHAN]);
+			if (cbch) {
+				cbch->rel_act_kind = LCHAN_REL_ACT_OML;
+				lchan_activate(cbch);
+			}
 		}
+		return osmo_fsm_inst_dispatch(trx->ts[mo->obj_inst.ts_nr].mo.fi,
+					      NM_EV_OPSTART_ACK, NULL);
+	default:
+		OSMO_ASSERT(0);
 	}
-
-	/* Send OPSTART ack */
-	return oml_mo_opstart_ack(mo);
 }
 
 static
diff --git a/src/osmo-bts-omldummy/bts_model.c b/src/osmo-bts-omldummy/bts_model.c
index 06e1373..5624fc1 100644
--- a/src/osmo-bts-omldummy/bts_model.c
+++ b/src/osmo-bts-omldummy/bts_model.c
@@ -73,13 +73,8 @@
 static uint8_t vbts_set_bts(struct gsm_bts *bts)
 {
 	struct gsm_bts_trx *trx;
-	uint8_t tn;
 
 	llist_for_each_entry(trx, &bts->trx_list, list) {
-
-		for (tn = 0; tn < TRX_NR_TS; tn++)
-			oml_mo_state_chg(&trx->ts[tn].mo, NM_OPSTATE_DISABLED, NM_AVSTATE_DEPENDENCY);
-
 		/* report availability of trx to the bts. this will trigger the rsl connection */
 		osmo_fsm_inst_dispatch(trx->mo.fi, NM_EV_SW_ACT, NULL);
 		osmo_fsm_inst_dispatch(trx->bb_transc.mo.fi, NM_EV_SW_ACT, NULL);
@@ -124,6 +119,7 @@
 	int rc;
 	struct gsm_bts_bb_trx *bb_transc;
 	struct gsm_bts_trx* trx;
+	struct gsm_bts_trx_ts* ts;
 
 	switch (mo->obj_class) {
 	case NM_OC_SITE_MANAGER:
@@ -140,6 +136,10 @@
 		bb_transc = (struct gsm_bts_bb_trx *) obj;
 		rc = osmo_fsm_inst_dispatch(bb_transc->mo.fi, NM_EV_OPSTART_ACK, NULL);
 		break;
+	case NM_OC_CHANNEL:
+		ts = (struct gsm_bts_trx_ts *) obj;
+		rc = osmo_fsm_inst_dispatch(ts->mo.fi, NM_EV_OPSTART_ACK, NULL);
+		break;
 	case NM_OC_GPRS_NSE:
 	case NM_OC_GPRS_CELL:
 	case NM_OC_GPRS_NSVC:
diff --git a/src/osmo-bts-sysmo/l1_if.c b/src/osmo-bts-sysmo/l1_if.c
index 4d228bb..2e4765d 100644
--- a/src/osmo-bts-sysmo/l1_if.c
+++ b/src/osmo-bts-sysmo/l1_if.c
@@ -1218,7 +1218,6 @@
 	SuperFemto_Prim_t *sysp = msgb_sysprim(resp);
 	GsmL1_Status_t status;
 	int on = 0;
-	unsigned int i;
 
 	if (sysp->id == SuperFemto_PrimId_ActivateRfCnf)
 		on = 1;
@@ -1243,9 +1242,6 @@
 		/* signal availability */
 		osmo_fsm_inst_dispatch(trx->mo.fi, NM_EV_SW_ACT, NULL);
 		osmo_fsm_inst_dispatch(trx->bb_transc.mo.fi, NM_EV_SW_ACT, NULL);
-
-		for (i = 0; i < ARRAY_SIZE(trx->ts); i++)
-			oml_mo_state_chg(&trx->ts[i].mo, NM_OPSTATE_DISABLED, NM_AVSTATE_DEPENDENCY);
 	} else {
 		bts_update_status(BTS_STATUS_RF_ACTIVE, 0);
 		osmo_fsm_inst_dispatch(trx->mo.fi, NM_EV_DISABLE, NULL);
diff --git a/src/osmo-bts-sysmo/oml.c b/src/osmo-bts-sysmo/oml.c
index 9a82647..e8bfb2d 100644
--- a/src/osmo-bts-sysmo/oml.c
+++ b/src/osmo-bts-sysmo/oml.c
@@ -276,38 +276,41 @@
 			get_value_string(femtobts_l1prim_names, l1p->id),
 			get_value_string(femtobts_l1status_names, status));
 		msgb_free(l1_msg);
-		if (mo->obj_class == NM_OC_RADIO_CARRIER)
+		switch (mo->obj_class) {
+		case NM_OC_RADIO_CARRIER:
 			return osmo_fsm_inst_dispatch(trx->mo.fi, NM_EV_OPSTART_NACK,
 						      (void*)(intptr_t)NM_NACK_CANT_PERFORM);
-		else
-			return oml_mo_opstart_nack(mo, NM_NACK_CANT_PERFORM);
-	}
-
-	msgb_free(l1_msg);
-
-	/* We already have a FSM for Radio Carrier, handle it there */
-	if (mo->obj_class == NM_OC_RADIO_CARRIER)
-		return osmo_fsm_inst_dispatch(trx->mo.fi, NM_EV_OPSTART_ACK, NULL);
-
-	/* Set to Operational State: Enabled */
-	oml_mo_state_chg(mo, NM_OPSTATE_ENABLED, NM_AVSTATE_OK);
-
-	/* ugly hack to auto-activate all SAPIs for the BCCH/CCCH on TS0 */
-	if (mo->obj_class == NM_OC_CHANNEL && mo->obj_inst.trx_nr == 0 &&
-	    mo->obj_inst.ts_nr == 0) {
-		struct gsm_lchan *cbch = gsm_bts_get_cbch(mo->bts);
-		DEBUGP(DL1C, "====> trying to activate lchans of BCCH\n");
-		mo->bts->c0->ts[0].lchan[CCCH_LCHAN].rel_act_kind =
-			LCHAN_REL_ACT_OML;
-		lchan_activate(&mo->bts->c0->ts[0].lchan[CCCH_LCHAN]);
-		if (cbch) {
-			cbch->rel_act_kind = LCHAN_REL_ACT_OML;
-			lchan_activate(cbch);
+		case NM_OC_CHANNEL:
+			return osmo_fsm_inst_dispatch(trx->ts[mo->obj_inst.ts_nr].mo.fi, NM_EV_OPSTART_NACK,
+						      (void*)(intptr_t)NM_NACK_CANT_PERFORM);
+		default:
+			OSMO_ASSERT(0);
 		}
 	}
 
-	/* Send OPSTART ack */
-	return oml_mo_opstart_ack(mo);
+	msgb_free(l1_msg);
+	switch (mo->obj_class) {
+	case NM_OC_RADIO_CARRIER:
+		return osmo_fsm_inst_dispatch(trx->mo.fi, NM_EV_OPSTART_ACK, NULL);
+	case NM_OC_CHANNEL:
+		/* ugly hack to auto-activate all SAPIs for the BCCH/CCCH on TS0 */
+		if (mo->obj_inst.trx_nr == 0 &&
+		    mo->obj_inst.ts_nr == 0) {
+			struct gsm_lchan *cbch = gsm_bts_get_cbch(mo->bts);
+			DEBUGP(DL1C, "====> trying to activate lchans of BCCH\n");
+			mo->bts->c0->ts[0].lchan[CCCH_LCHAN].rel_act_kind =
+				LCHAN_REL_ACT_OML;
+			lchan_activate(&mo->bts->c0->ts[0].lchan[CCCH_LCHAN]);
+			if (cbch) {
+				cbch->rel_act_kind = LCHAN_REL_ACT_OML;
+				lchan_activate(cbch);
+			}
+		}
+		return osmo_fsm_inst_dispatch(trx->ts[mo->obj_inst.ts_nr].mo.fi,
+					      NM_EV_OPSTART_ACK, NULL);
+	default:
+		OSMO_ASSERT(0);
+	}
 }
 
 static int opstart_compl_cb(struct gsm_bts_trx *trx, struct msgb *l1_msg,
@@ -1772,6 +1775,7 @@
 {
 	struct gsm_bts_bb_trx *bb_transc;
 	struct gsm_bts_trx* trx;
+	struct gsm_bts_trx_ts *ts;
 	int rc;
 
 	switch (mo->obj_class) {
@@ -1794,7 +1798,8 @@
 		rc = osmo_fsm_inst_dispatch(bb_transc->mo.fi, NM_EV_OPSTART_ACK, NULL);
 		break;
 	case NM_OC_CHANNEL:
-		rc = ts_opstart(obj);
+		ts = (struct gsm_bts_trx_ts*) obj;
+		rc = ts_opstart(ts);
 		break;
 	case NM_OC_GPRS_NSE:
 	case NM_OC_GPRS_CELL:
diff --git a/src/osmo-bts-trx/l1_if.c b/src/osmo-bts-trx/l1_if.c
index 9c8069a..fc8ef76 100644
--- a/src/osmo-bts-trx/l1_if.c
+++ b/src/osmo-bts-trx/l1_if.c
@@ -91,7 +91,6 @@
 {
 	struct phy_instance *pinst = l1h->phy_inst;
 	struct gsm_bts_trx *trx = pinst->trx;
-	uint8_t tn;
 
 	/* HACK, we should change state when we receive first clock from
 	 * transceiver */
@@ -102,19 +101,9 @@
 			osmo_fsm_inst_dispatch(trx->bb_transc.mo.fi, NM_EV_SW_ACT, NULL);
 			pinst->u.osmotrx.sw_act_reported = true;
 		}
-
-		for (tn = 0; tn < TRX_NR_TS; tn++)
-			oml_mo_state_chg(&trx->ts[tn].mo, NM_OPSTATE_DISABLED,
-				(l1h->config.slotmask & (1 << tn)) ?
-					NM_AVSTATE_DEPENDENCY :
-					NM_AVSTATE_NOT_INSTALLED);
 	} else {
 		osmo_fsm_inst_dispatch(trx->mo.fi, NM_EV_DISABLE, NULL);
 		osmo_fsm_inst_dispatch(trx->bb_transc.mo.fi, NM_EV_DISABLE, NULL);
-
-		for (tn = 0; tn < TRX_NR_TS; tn++)
-			oml_mo_state_chg(&trx->ts[tn].mo, NM_OPSTATE_DISABLED,
-				NM_AVSTATE_OFF_LINE);
 	}
 }
 
@@ -604,6 +593,7 @@
 {
 	struct gsm_bts_bb_trx *bb_transc;
 	struct gsm_bts_trx *trx;
+	struct gsm_bts_trx_ts *ts;
 	int rc;
 
 	switch (mo->obj_class) {
@@ -623,6 +613,9 @@
 		rc = osmo_fsm_inst_dispatch(bb_transc->mo.fi, NM_EV_OPSTART_ACK, NULL);
 		break;
 	case NM_OC_CHANNEL:
+		ts = (struct gsm_bts_trx_ts *) obj;
+		rc = osmo_fsm_inst_dispatch(ts->mo.fi, NM_EV_OPSTART_ACK, NULL);
+		break;
 	case NM_OC_GPRS_NSE:
 	case NM_OC_GPRS_CELL:
 	case NM_OC_GPRS_NSVC:
diff --git a/src/osmo-bts-virtual/bts_model.c b/src/osmo-bts-virtual/bts_model.c
index c3a75f4..e7b0f81 100644
--- a/src/osmo-bts-virtual/bts_model.c
+++ b/src/osmo-bts-virtual/bts_model.c
@@ -83,13 +83,8 @@
 static uint8_t vbts_set_bts(struct gsm_bts *bts)
 {
 	struct gsm_bts_trx *trx;
-	uint8_t tn;
 
 	llist_for_each_entry(trx, &bts->trx_list, list) {
-
-		for (tn = 0; tn < TRX_NR_TS; tn++)
-			oml_mo_state_chg(&trx->ts[tn].mo, NM_OPSTATE_DISABLED, NM_AVSTATE_DEPENDENCY);
-
 		/* report availability of trx to the bts. this will trigger the rsl connection */
 		osmo_fsm_inst_dispatch(trx->mo.fi, NM_EV_SW_ACT, NULL);
 		osmo_fsm_inst_dispatch(trx->bb_transc.mo.fi, NM_EV_SW_ACT, NULL);
@@ -141,6 +136,7 @@
 	int rc;
 	struct gsm_bts_bb_trx *bb_transc;
 	struct gsm_bts_trx* trx;
+	struct gsm_bts_trx_ts *ts;
 
 	switch (mo->obj_class) {
 	case NM_OC_SITE_MANAGER:
@@ -157,6 +153,10 @@
 		bb_transc = (struct gsm_bts_bb_trx *) obj;
 		rc = osmo_fsm_inst_dispatch(bb_transc->mo.fi, NM_EV_OPSTART_ACK, NULL);
 		break;
+	case NM_OC_CHANNEL:
+		ts = (struct gsm_bts_trx_ts *) obj;
+		rc = osmo_fsm_inst_dispatch(ts->mo.fi, NM_EV_OPSTART_ACK, NULL);
+		break;
 	case NM_OC_GPRS_NSE:
 	case NM_OC_GPRS_CELL:
 	case NM_OC_GPRS_NSVC:

-- 
To view, visit https://gerrit.osmocom.org/c/osmo-bts/+/20311
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Gerrit-Project: osmo-bts
Gerrit-Branch: master
Gerrit-Change-Id: I288cbfb4730b25a334ef1c3d6b9679d6f1d4cfc5
Gerrit-Change-Number: 20311
Gerrit-PatchSet: 11
Gerrit-Owner: pespin <pespin at sysmocom.de>
Gerrit-Reviewer: Jenkins Builder
Gerrit-Reviewer: laforge <laforge at osmocom.org>
Gerrit-MessageType: merged
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