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authorPau Espin Pedrol <pespin@sysmocom.de>2020-12-01 19:59:15 +0100
committerPau Espin Pedrol <pespin@sysmocom.de>2020-12-03 18:46:27 +0100
commitee9f02f2df6298210165e02451aade105e45dde7 (patch)
tree90ed09c366cc54bbc8dc219cd53ad76453b761b4 /src
parentdd9abff60b6d450058c88c03c2acc968e8cee8c0 (diff)
Introduce NM GPRS NSE FSM
Diffstat (limited to 'src')
-rw-r--r--src/ipaccess/Makefile.am2
-rw-r--r--src/osmo-bsc/Makefile.am1
-rw-r--r--src/osmo-bsc/abis_nm.c3
-rw-r--r--src/osmo-bsc/bts_ipaccess_nanobts.c58
-rw-r--r--src/osmo-bsc/bts_ipaccess_nanobts_omlattr.c4
-rw-r--r--src/osmo-bsc/bts_sm.c14
-rw-r--r--src/osmo-bsc/nm_gprs_nse_fsm.c371
-rw-r--r--src/utils/Makefile.am2
8 files changed, 436 insertions, 19 deletions
diff --git a/src/ipaccess/Makefile.am b/src/ipaccess/Makefile.am
index c489e0a90..e22620621 100644
--- a/src/ipaccess/Makefile.am
+++ b/src/ipaccess/Makefile.am
@@ -60,6 +60,7 @@ ipaccess_config_LDADD = \
$(top_builddir)/src/osmo-bsc/nm_bts_fsm.o \
$(top_builddir)/src/osmo-bsc/nm_bb_transc_fsm.o \
$(top_builddir)/src/osmo-bsc/nm_channel_fsm.o \
+ $(top_builddir)/src/osmo-bsc/nm_gprs_nse_fsm.o \
$(top_builddir)/src/osmo-bsc/nm_rcarrier_fsm.o \
$(OSMO_LIBS) \
$(NULL)
@@ -82,6 +83,7 @@ ipaccess_proxy_LDADD = \
$(top_builddir)/src/osmo-bsc/nm_bts_fsm.o \
$(top_builddir)/src/osmo-bsc/nm_bb_transc_fsm.o \
$(top_builddir)/src/osmo-bsc/nm_channel_fsm.o \
+ $(top_builddir)/src/osmo-bsc/nm_gprs_nse_fsm.o \
$(top_builddir)/src/osmo-bsc/nm_rcarrier_fsm.o \
$(OSMO_LIBS) \
$(NULL)
diff --git a/src/osmo-bsc/Makefile.am b/src/osmo-bsc/Makefile.am
index 89f869d01..b1b2cc6e4 100644
--- a/src/osmo-bsc/Makefile.am
+++ b/src/osmo-bsc/Makefile.am
@@ -81,6 +81,7 @@ osmo_bsc_SOURCES = \
nm_bb_transc_fsm.c \
nm_bts_sm_fsm.c \
nm_bts_fsm.c \
+ nm_gprs_nse_fsm.c \
nm_channel_fsm.c \
nm_rcarrier_fsm.c \
gsm_08_08.c \
diff --git a/src/osmo-bsc/abis_nm.c b/src/osmo-bsc/abis_nm.c
index 657948f8a..d837779a6 100644
--- a/src/osmo-bsc/abis_nm.c
+++ b/src/osmo-bsc/abis_nm.c
@@ -2922,6 +2922,9 @@ static int abis_nm_rx_ipacc(struct msgb *msg)
signal.msg_type = foh->msg_type;
osmo_signal_dispatch(SS_NM, S_NM_IPACC_ACK, &signal);
break;
+ case NM_MT_IPACC_SET_ATTR_ACK:
+ osmo_signal_dispatch(SS_NM, S_NM_IPACC_SET_ATTR_ACK, msg);
+ break;
default:
break;
}
diff --git a/src/osmo-bsc/bts_ipaccess_nanobts.c b/src/osmo-bsc/bts_ipaccess_nanobts.c
index 73d6318de..7d0a2c050 100644
--- a/src/osmo-bsc/bts_ipaccess_nanobts.c
+++ b/src/osmo-bsc/bts_ipaccess_nanobts.c
@@ -46,6 +46,7 @@
#include <osmocom/bsc/paging.h>
#include <osmocom/bsc/timeslot_fsm.h>
#include <osmocom/bsc/bts.h>
+#include <osmocom/bsc/bts_sm.h>
#include <osmocom/bsc/nm_common_fsm.h>
static int bts_model_nanobts_start(struct gsm_network *net);
@@ -134,6 +135,7 @@ static int nm_statechg_event(int evt, struct nm_statechg_signal_data *nsd)
struct gsm_bts_bb_trx *bb_transc;
struct gsm_bts_trx_ts *ts;
struct gsm_gprs_nsvc *nsvc;
+ struct gsm_gprs_nse *nse;
struct msgb *msgb;
@@ -148,6 +150,7 @@ static int nm_statechg_event(int evt, struct nm_statechg_signal_data *nsd)
obj_class != NM_OC_BASEB_TRANSC &&
obj_class != NM_OC_RADIO_CARRIER &&
obj_class != NM_OC_CHANNEL &&
+ obj_class != NM_OC_GPRS_NSE &&
evt != S_NM_STATECHG_OPER)
return 0;
@@ -174,21 +177,8 @@ static int nm_statechg_event(int evt, struct nm_statechg_signal_data *nsd)
osmo_fsm_inst_dispatch(trx->mo.fi, NM_EV_STATE_CHG_REP, nsd);
break;
case NM_OC_GPRS_NSE:
- bts_sm = container_of(obj, struct gsm_bts_sm, gprs.nse);
- bts = bts_sm->bts[0];
- if (bts->gprs.mode == BTS_GPRS_NONE)
- break;
- if (new_state->availability == NM_AVSTATE_DEPENDENCY) {
- msgb = nanobts_attr_nse_get(bts);
- if (!msgb)
- break;
- abis_nm_ipaccess_set_attr(bts, obj_class, bts->bts_nr,
- 0xff, 0xff, msgb->data,
- msgb->len);
- msgb_free(msgb);
- abis_nm_opstart(bts, obj_class, bts->bts_nr,
- 0xff, 0xff);
- }
+ nse = obj;
+ osmo_fsm_inst_dispatch(nse->mo.fi, NM_EV_STATE_CHG_REP, nsd);
break;
case NM_OC_GPRS_CELL:
bts = container_of(obj, struct gsm_bts, gprs.cell);
@@ -204,8 +194,6 @@ static int nm_statechg_event(int evt, struct nm_statechg_signal_data *nsd)
msgb_free(msgb);
abis_nm_chg_adm_state(bts, obj_class, bts->bts_nr,
0, 0xff, NM_STATE_UNLOCKED);
- abis_nm_chg_adm_state(bts, NM_OC_GPRS_NSE, bts->bts_nr,
- 0xff, 0xff, NM_STATE_UNLOCKED);
abis_nm_opstart(bts, obj_class, bts->bts_nr,
0, 0xff);
}
@@ -279,6 +267,9 @@ static int sw_activ_rep(struct msgb *mb)
return -EINVAL;
osmo_fsm_inst_dispatch(ts->mo.fi, NM_EV_SW_ACT_REP, NULL);
break;
+ case NM_OC_GPRS_NSE:
+ osmo_fsm_inst_dispatch(bts->site_mgr->gprs.nse.mo.fi, NM_EV_SW_ACT_REP, NULL);
+ break;
}
return 0;
}
@@ -325,6 +316,9 @@ static void nm_rx_opstart_ack(struct msgb *oml_msg)
case NM_OC_CHANNEL:
nm_rx_opstart_ack_chan(oml_msg);
break;
+ case NM_OC_GPRS_NSE:
+ osmo_fsm_inst_dispatch(bts->site_mgr->gprs.nse.mo.fi, NM_EV_OPSTART_ACK, NULL);
+ break;
default:
break;
}
@@ -360,6 +354,9 @@ static void nm_rx_opstart_nack(struct msgb *oml_msg)
return;
osmo_fsm_inst_dispatch(ts->mo.fi, NM_EV_OPSTART_NACK, NULL);
break;
+ case NM_OC_GPRS_NSE:
+ osmo_fsm_inst_dispatch(bts->site_mgr->gprs.nse.mo.fi, NM_EV_OPSTART_NACK, NULL);
+ break;
default:
break;
}
@@ -405,6 +402,29 @@ static void nm_rx_set_chan_attr_ack(struct msgb *oml_msg)
osmo_fsm_inst_dispatch(ts->mo.fi, NM_EV_SET_ATTR_ACK, NULL);
}
+static void nm_rx_ipacc_set_attr_ack(struct msgb *oml_msg)
+{
+ struct e1inp_sign_link *sign_link = oml_msg->dst;
+ struct gsm_bts *bts = sign_link->trx->bts;
+ struct abis_om_hdr *oh = msgb_l2(oml_msg);
+ uint8_t idstrlen = oh->data[0];
+ struct abis_om_fom_hdr *foh;
+ void *obj;
+ struct gsm_gprs_nse *nse;
+
+ foh = (struct abis_om_fom_hdr *) (oh->data + 1 + idstrlen);
+ obj = gsm_objclass2obj(bts, foh->obj_class, &foh->obj_inst);
+
+ switch (foh->obj_class) {
+ case NM_OC_GPRS_NSE:
+ nse = obj;
+ osmo_fsm_inst_dispatch(nse->mo.fi, NM_EV_SET_ATTR_ACK, NULL);
+ break;
+ default:
+ LOGPFOH(DNM, LOGL_ERROR, foh, "IPACC Set Attr Ack received on incorrect object class %d!\n", foh->obj_class);
+ }
+}
+
/* Callback function to be called every time we receive a signal from NM */
static int bts_ipa_nm_sig_cb(unsigned int subsys, unsigned int signal,
void *handler_data, void *signal_data)
@@ -433,6 +453,9 @@ static int bts_ipa_nm_sig_cb(unsigned int subsys, unsigned int signal,
case S_NM_SET_CHAN_ATTR_ACK:
nm_rx_set_chan_attr_ack(signal_data);
return 0;
+ case S_NM_IPACC_SET_ATTR_ACK:
+ nm_rx_ipacc_set_attr_ack(signal_data);
+ return 0;
default:
break;
}
@@ -524,6 +547,7 @@ void ipaccess_drop_oml(struct gsm_bts *bts, const char *reason)
}
osmo_fsm_inst_dispatch(bts->site_mgr->mo.fi, NM_EV_OML_DOWN, NULL);
+ osmo_fsm_inst_dispatch(bts->site_mgr->gprs.nse.mo.fi, NM_EV_OML_DOWN, NULL);
osmo_fsm_inst_dispatch(bts->mo.fi, NM_EV_OML_DOWN, NULL);
gsm_bts_all_ts_dispatch(bts, TS_EV_OML_DOWN, NULL);
diff --git a/src/osmo-bsc/bts_ipaccess_nanobts_omlattr.c b/src/osmo-bsc/bts_ipaccess_nanobts_omlattr.c
index 5ad0f47bc..e23a688e3 100644
--- a/src/osmo-bsc/bts_ipaccess_nanobts_omlattr.c
+++ b/src/osmo-bsc/bts_ipaccess_nanobts_omlattr.c
@@ -101,11 +101,11 @@ struct msgb *nanobts_attr_bts_get(struct gsm_bts *bts)
return msgb;
}
-struct msgb *nanobts_attr_nse_get(struct gsm_bts *bts)
+struct msgb *nanobts_attr_nse_get(struct gsm_bts_sm *bts_sm)
{
struct msgb *msgb;
uint8_t buf[256];
- struct gsm_bts_sm *bts_sm = bts->site_mgr;
+ struct gsm_bts *bts = gsm_bts_sm_get_bts(bts_sm);
msgb = msgb_alloc(1024, "nanobts_attr_bts");
if (!msgb)
return NULL;
diff --git a/src/osmo-bsc/bts_sm.c b/src/osmo-bsc/bts_sm.c
index a016124d9..296a21d76 100644
--- a/src/osmo-bsc/bts_sm.c
+++ b/src/osmo-bsc/bts_sm.c
@@ -22,6 +22,7 @@
#include <osmocom/bsc/gsm_data.h>
#include <osmocom/bsc/bts.h>
+#include <osmocom/bsc/bts_sm.h>
#include <osmocom/bsc/debug.h>
#include <osmocom/bsc/nm_common_fsm.h>
@@ -29,6 +30,11 @@ static const uint8_t bts_nse_timer_default[] = { 3, 3, 3, 3, 30, 3, 10 };
static int gsm_bts_sm_talloc_destructor(struct gsm_bts_sm *bts_sm)
{
+ if (bts_sm->gprs.nse.mo.fi) {
+ osmo_fsm_inst_free(bts_sm->gprs.nse.mo.fi);
+ bts_sm->gprs.nse.mo.fi = NULL;
+ }
+
if (bts_sm->mo.fi) {
osmo_fsm_inst_free(bts_sm->mo.fi);
bts_sm->mo.fi = NULL;
@@ -58,6 +64,14 @@ struct gsm_bts_sm *gsm_bts_sm_alloc(struct gsm_network *net, uint8_t bts_num)
gsm_mo_init(&bts_sm->mo, bts, NM_OC_SITE_MANAGER, 0xff, 0xff, 0xff);
+
+ bts_sm->gprs.nse.mo.fi = osmo_fsm_inst_alloc(&nm_gprs_nse_fsm, bts_sm, &bts_sm->gprs.nse,
+ LOGL_INFO, NULL);
+ osmo_fsm_inst_update_id_f(bts_sm->gprs.nse.mo.fi, "nse%d", bts_num);
+ gsm_mo_init(&bts_sm->gprs.nse.mo, bts, NM_OC_GPRS_NSE, bts->nr, 0xff, 0xff);
+ memcpy(&bts_sm->gprs.nse.timer, bts_nse_timer_default,
+ sizeof(bts_sm->gprs.nse.timer));
+
for (i = 0; i < ARRAY_SIZE(bts_sm->gprs.nsvc); i++) {
bts_sm->gprs.nsvc[i].bts = bts;
bts_sm->gprs.nsvc[i].id = i;
diff --git a/src/osmo-bsc/nm_gprs_nse_fsm.c b/src/osmo-bsc/nm_gprs_nse_fsm.c
new file mode 100644
index 000000000..497b43ce9
--- /dev/null
+++ b/src/osmo-bsc/nm_gprs_nse_fsm.c
@@ -0,0 +1,371 @@
+/* NM GPRS NSE FSM */
+
+/* (C) 2020 by sysmocom - s.m.f.c. GmbH <info@sysmocom.de>
+ * Author: Pau Espin Pedrol <pespin@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 <osmocom/bsc/bts_sm.h>
+#include <osmocom/bsc/bts.h>
+#include <osmocom/bsc/signal.h>
+#include <osmocom/bsc/abis_nm.h>
+#include <osmocom/bsc/bts_ipaccess_nanobts_omlattr.h>
+#include <osmocom/bsc/nm_common_fsm.h>
+#include <osmocom/bsc/debug.h>
+
+#define X(s) (1 << (s))
+
+#define nm_gprs_nse_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_gprs_nse *nse = (struct gsm_gprs_nse *)fi->priv;
+
+ nse->mo.set_attr_sent = false;
+ nse->mo.set_attr_ack_received = false;
+ nse->mo.adm_unlock_sent = false;
+ nse->mo.opstart_sent = false;
+}
+
+static void st_op_disabled_notinstalled(struct osmo_fsm_inst *fi, uint32_t event, void *data)
+{
+ struct nm_statechg_signal_data *nsd;
+ struct gsm_nm_state *new_state;
+
+ switch (event) {
+ case NM_EV_SW_ACT_REP:
+ break;
+ case NM_EV_STATE_CHG_REP:
+ nsd = (struct nm_statechg_signal_data *)data;
+ new_state = nsd->new_state;
+ if (new_state->operational == NM_OPSTATE_ENABLED) {
+ /* should not happen... */
+ nm_gprs_nse_fsm_state_chg(fi, NM_GPRS_NSE_ST_OP_ENABLED);
+ return;
+ }
+ switch (new_state->availability) { /* operational = DISABLED */
+ case NM_AVSTATE_DEPENDENCY:
+ nm_gprs_nse_fsm_state_chg(fi, NM_GPRS_NSE_ST_OP_DISABLED_DEPENDENCY);
+ return;
+ case NM_AVSTATE_OFF_LINE:
+ case NM_AVSTATE_OK:
+ nm_gprs_nse_fsm_state_chg(fi, NM_GPRS_NSE_ST_OP_DISABLED_OFFLINE);
+ return;
+ default:
+ return;
+ }
+ default:
+ OSMO_ASSERT(0);
+ }
+}
+
+static void configure_loop(struct gsm_gprs_nse *nse, struct gsm_nm_state *state, bool allow_opstart) {
+ struct msgb *msgb;
+ struct gsm_bts_sm *bts_sm = container_of(nse, struct gsm_bts_sm, gprs.nse);
+ struct gsm_bts *bts = gsm_bts_sm_get_bts(bts_sm);
+
+ if (!nse->mo.set_attr_sent && !nse->mo.set_attr_ack_received) {
+ nse->mo.set_attr_sent = true;
+ msgb = nanobts_attr_nse_get(bts_sm);
+ abis_nm_ipaccess_set_attr(bts, NM_OC_GPRS_NSE, bts->bts_nr,
+ 0xff, 0xff, msgb->data,
+ msgb->len);
+ msgb_free(msgb);
+ }
+
+ /* Attributes must be set before unlocking */
+ if (state->administrative != NM_STATE_UNLOCKED && nse->mo.set_attr_ack_received &&
+ !nse->mo.adm_unlock_sent) {
+ nse->mo.adm_unlock_sent = true;
+ abis_nm_chg_adm_state(bts, NM_OC_GPRS_NSE,
+ bts->bts_nr, 0xff, 0xff,
+ NM_STATE_UNLOCKED);
+ }
+
+ if (allow_opstart && state->administrative == NM_STATE_UNLOCKED &&
+ nse->mo.set_attr_ack_received) {
+ if (!nse->mo.opstart_sent) {
+ nse->mo.opstart_sent = true;
+ abis_nm_opstart(bts, NM_OC_GPRS_NSE, bts->bts_nr, 0xff, 0xff);
+ }
+ }
+}
+
+static void st_op_disabled_dependency_on_enter(struct osmo_fsm_inst *fi, uint32_t prev_state)
+{
+ struct gsm_gprs_nse *nse = (struct gsm_gprs_nse *)fi->priv;
+ struct gsm_bts_sm *bts_sm = container_of(nse, struct gsm_bts_sm, gprs.nse);
+
+ /* nanoBTS is broken, doesn't follow TS 12.21. Opstart MUST be sent
+ during Dependency, so we simply move to OFFLINE state here to avoid
+ duplicating code */
+ if (bts_sm->peer_has_no_avstate_offline) {
+ nm_gprs_nse_fsm_state_chg(fi, NM_GPRS_NSE_ST_OP_DISABLED_OFFLINE);
+ return;
+ }
+ configure_loop(nse, &nse->mo.nm_state, false);
+}
+
+static void st_op_disabled_dependency(struct osmo_fsm_inst *fi, uint32_t event, void *data)
+{
+ struct gsm_gprs_nse *nse = (struct gsm_gprs_nse *)fi->priv;
+ struct nm_statechg_signal_data *nsd;
+ struct gsm_nm_state *new_state;
+
+ switch (event) {
+ case NM_EV_SET_ATTR_ACK:
+ nse->mo.set_attr_ack_received = true;
+ nse->mo.set_attr_sent = false;
+ configure_loop(nse, &nse->mo.nm_state, false);
+ return;
+ case NM_EV_STATE_CHG_REP:
+ nsd = (struct nm_statechg_signal_data *)data;
+ new_state = nsd->new_state;
+ if (new_state->operational == NM_OPSTATE_ENABLED) {
+ /* should not happen... */
+ nm_gprs_nse_fsm_state_chg(fi, NM_GPRS_NSE_ST_OP_ENABLED);
+ return;
+ }
+ switch (new_state->availability) { /* operational = DISABLED */
+ case NM_AVSTATE_NOT_INSTALLED:
+ case NM_AVSTATE_POWER_OFF:
+ nm_gprs_nse_fsm_state_chg(fi, NM_GPRS_NSE_ST_OP_DISABLED_NOTINSTALLED);
+ return;
+ case NM_AVSTATE_OFF_LINE:
+ case NM_AVSTATE_OK:
+ nm_gprs_nse_fsm_state_chg(fi, NM_GPRS_NSE_ST_OP_DISABLED_OFFLINE);
+ return;
+ case NM_AVSTATE_DEPENDENCY:
+ configure_loop(nse, new_state, false);
+ return;
+ default:
+ return;
+ }
+ default:
+ OSMO_ASSERT(0);
+ }
+}
+
+static void st_op_disabled_offline_on_enter(struct osmo_fsm_inst *fi, uint32_t prev_state)
+{
+ struct gsm_gprs_nse *nse = (struct gsm_gprs_nse *)fi->priv;
+
+ /* Warning: In here we may be acessing an state older than new_state
+ from prev (syncrhonous) FSM state */
+ configure_loop(nse, &nse->mo.nm_state, true);
+}
+
+static void st_op_disabled_offline(struct osmo_fsm_inst *fi, uint32_t event, void *data)
+{
+ struct gsm_gprs_nse *nse = (struct gsm_gprs_nse *)fi->priv;
+ struct gsm_bts_sm *bts_sm = container_of(nse, struct gsm_bts_sm, gprs.nse);
+ struct nm_statechg_signal_data *nsd;
+ struct gsm_nm_state *new_state;
+
+ switch (event) {
+ case NM_EV_SET_ATTR_ACK:
+ nse->mo.set_attr_ack_received = true;
+ nse->mo.set_attr_sent = false;
+ configure_loop(nse, &nse->mo.nm_state, true);
+ return;
+ case NM_EV_STATE_CHG_REP:
+ nsd = (struct nm_statechg_signal_data *)data;
+ new_state = nsd->new_state;
+ if (new_state->operational == NM_OPSTATE_ENABLED) {
+ nm_gprs_nse_fsm_state_chg(fi, NM_GPRS_NSE_ST_OP_ENABLED);
+ return;
+ }
+ switch (new_state->availability) { /* operational = DISABLED */
+ case NM_AVSTATE_NOT_INSTALLED:
+ case NM_AVSTATE_POWER_OFF:
+ nm_gprs_nse_fsm_state_chg(fi, NM_GPRS_NSE_ST_OP_DISABLED_NOTINSTALLED);
+ return;
+ case NM_AVSTATE_DEPENDENCY:
+ /* There's no point in moving back to Dependency, since it's broken
+ and it acts actually as if it was in Offline state */
+ if (!bts_sm->peer_has_no_avstate_offline) {
+ nm_gprs_nse_fsm_state_chg(fi, NM_GPRS_NSE_ST_OP_DISABLED_DEPENDENCY);
+ } else {
+ /* Moreover, in nanoBTS we need to check here for tx
+ Opstart since we may have gone Unlocked state
+ in this event, which means Opstart may be txed here. */
+ configure_loop(nse, new_state, true);
+ }
+ return;
+ case NM_AVSTATE_OFF_LINE:
+ case NM_AVSTATE_OK:
+ configure_loop(nse, new_state, true);
+ return;
+ default:
+ return;
+ }
+ default:
+ OSMO_ASSERT(0);
+ }
+}
+
+static void st_op_enabled_on_enter(struct osmo_fsm_inst *fi, uint32_t prev_state)
+{
+ struct gsm_gprs_nse *nse = (struct gsm_gprs_nse *)fi->priv;
+
+ /* Reset state, we don't need it in this state and it will need to be
+ reused as soon as we move back to Disabled */
+ nse->mo.opstart_sent = false;
+ nse->mo.adm_unlock_sent = false;
+ nse->mo.set_attr_ack_received = false;
+ nse->mo.set_attr_sent = false;
+}
+
+static void st_op_enabled(struct osmo_fsm_inst *fi, uint32_t event, void *data)
+{
+ struct nm_statechg_signal_data *nsd;
+ struct gsm_nm_state *new_state;
+
+ switch (event) {
+ case NM_EV_STATE_CHG_REP:
+ nsd = (struct nm_statechg_signal_data *)data;
+ new_state = nsd->new_state;
+ if (new_state->operational == NM_OPSTATE_ENABLED)
+ return;
+ switch (new_state->availability) { /* operational = DISABLED */
+ case NM_AVSTATE_NOT_INSTALLED:
+ case NM_AVSTATE_POWER_OFF:
+ nm_gprs_nse_fsm_state_chg(fi, NM_GPRS_NSE_ST_OP_DISABLED_NOTINSTALLED);
+ return;
+ case NM_AVSTATE_DEPENDENCY:
+ nm_gprs_nse_fsm_state_chg(fi, NM_GPRS_NSE_ST_OP_DISABLED_DEPENDENCY);
+ return;
+ case NM_AVSTATE_OFF_LINE:
+ case NM_AVSTATE_OK:
+ nm_gprs_nse_fsm_state_chg(fi, NM_GPRS_NSE_ST_OP_DISABLED_OFFLINE);
+ return;
+ default:
+ return;
+ }
+ default:
+ OSMO_ASSERT(0);
+ }
+}
+
+static void st_op_allstate(struct osmo_fsm_inst *fi, uint32_t event, void *data)
+{
+ struct gsm_gprs_nse *nse = (struct gsm_gprs_nse *)fi->priv;
+ struct gsm_bts_sm *bts_sm = container_of(nse, struct gsm_bts_sm, gprs.nse);
+ struct gsm_bts *bts = gsm_bts_sm_get_bts(bts_sm);
+
+ switch (event) {
+ case NM_EV_OPSTART_ACK:
+ case NM_EV_OPSTART_NACK:
+ /* TODO: if on state OFFLINE and rx NACK, try again? */
+ nse->mo.opstart_sent = false;
+ break;
+ case NM_EV_FORCE_LOCK:
+ nse->mo.force_rf_lock = (bool)(intptr_t)data;
+ abis_nm_chg_adm_state(bts, NM_OC_GPRS_NSE,
+ bts->bts_nr, 0xff, 0xff,
+ nse->mo.force_rf_lock ? NM_STATE_LOCKED : NM_STATE_UNLOCKED);
+ break;
+ case NM_EV_OML_DOWN:
+ nm_gprs_nse_fsm_state_chg(fi, NM_GPRS_NSE_ST_OP_DISABLED_NOTINSTALLED);
+ break;
+ default:
+ OSMO_ASSERT(0);
+ }
+}
+
+static struct osmo_fsm_state nm_gprs_nse_fsm_states[] = {
+ [NM_GPRS_NSE_ST_OP_DISABLED_NOTINSTALLED] = {
+ .in_event_mask =
+ X(NM_EV_SW_ACT_REP) |
+ X(NM_EV_STATE_CHG_REP),
+ .out_state_mask =
+ X(NM_GPRS_NSE_ST_OP_DISABLED_DEPENDENCY) |
+ X(NM_GPRS_NSE_ST_OP_DISABLED_OFFLINE) |
+ X(NM_GPRS_NSE_ST_OP_ENABLED),
+ .name = "DISABLED_NOTINSTALLED",
+ .onenter = st_op_disabled_notinstalled_on_enter,
+ .action = st_op_disabled_notinstalled,
+ },
+ [NM_GPRS_NSE_ST_OP_DISABLED_DEPENDENCY] = {
+ .in_event_mask =
+ X(NM_EV_STATE_CHG_REP) |
+ X(NM_EV_SET_ATTR_ACK),
+ .out_state_mask =
+ X(NM_GPRS_NSE_ST_OP_DISABLED_NOTINSTALLED) |
+ X(NM_GPRS_NSE_ST_OP_DISABLED_OFFLINE) |
+ X(NM_GPRS_NSE_ST_OP_ENABLED),
+ .name = "DISABLED_DEPENDENCY",
+ .onenter = st_op_disabled_dependency_on_enter,
+ .action = st_op_disabled_dependency,
+ },
+ [NM_GPRS_NSE_ST_OP_DISABLED_OFFLINE] = {
+ .in_event_mask =
+ X(NM_EV_STATE_CHG_REP) |
+ X(NM_EV_SET_ATTR_ACK),
+ .out_state_mask =
+ X(NM_GPRS_NSE_ST_OP_DISABLED_NOTINSTALLED) |
+ X(NM_GPRS_NSE_ST_OP_DISABLED_DEPENDENCY) |
+ X(NM_GPRS_NSE_ST_OP_ENABLED),
+ .name = "DISABLED_OFFLINE",
+ .onenter = st_op_disabled_offline_on_enter,
+ .action = st_op_disabled_offline,
+ },
+ [NM_GPRS_NSE_ST_OP_ENABLED] = {
+ .in_event_mask =
+ X(NM_EV_STATE_CHG_REP),
+ .out_state_mask =
+ X(NM_GPRS_NSE_ST_OP_DISABLED_NOTINSTALLED) |
+ X(NM_GPRS_NSE_ST_OP_DISABLED_DEPENDENCY) |
+ X(NM_GPRS_NSE_ST_OP_DISABLED_OFFLINE),
+ .name = "ENABLED",
+ .onenter = st_op_enabled_on_enter,
+ .action = st_op_enabled,
+ },
+};
+
+struct osmo_fsm nm_gprs_nse_fsm = {
+ .name = "NM_GPRS_NSE_OP",
+ .states = nm_gprs_nse_fsm_states,
+ .num_states = ARRAY_SIZE(nm_gprs_nse_fsm_states),
+ .allstate_event_mask =
+ X(NM_EV_OPSTART_ACK) |
+ X(NM_EV_OPSTART_NACK) |
+ X(NM_EV_FORCE_LOCK) |
+ X(NM_EV_OML_DOWN),
+ .allstate_action = st_op_allstate,
+ .event_names = nm_fsm_event_names,
+ .log_subsys = DNM,
+};
+
+static __attribute__((constructor)) void nm_gprs_nse_fsm_init(void)
+{
+ OSMO_ASSERT(osmo_fsm_register(&nm_gprs_nse_fsm) == 0);
+}
diff --git a/src/utils/Makefile.am b/src/utils/Makefile.am
index dfc68c5b1..57552588e 100644
--- a/src/utils/Makefile.am
+++ b/src/utils/Makefile.am
@@ -62,6 +62,7 @@ bs11_config_LDADD = \
$(top_builddir)/src/osmo-bsc/nm_bts_fsm.o \
$(top_builddir)/src/osmo-bsc/nm_bb_transc_fsm.o \
$(top_builddir)/src/osmo-bsc/nm_channel_fsm.o \
+ $(top_builddir)/src/osmo-bsc/nm_gprs_nse_fsm.o \
$(top_builddir)/src/osmo-bsc/nm_rcarrier_fsm.o \
$(LIBOSMOCORE_LIBS) \
$(LIBOSMOGSM_LIBS) \
@@ -140,6 +141,7 @@ meas_json_LDADD = \
$(top_builddir)/src/osmo-bsc/nm_bts_fsm.o \
$(top_builddir)/src/osmo-bsc/nm_bb_transc_fsm.o \
$(top_builddir)/src/osmo-bsc/nm_channel_fsm.o \
+ $(top_builddir)/src/osmo-bsc/nm_gprs_nse_fsm.o \
$(top_builddir)/src/osmo-bsc/nm_rcarrier_fsm.o \
$(LIBOSMOCORE_LIBS) \
$(LIBOSMOGSM_LIBS) \