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-rw-r--r--openbsc/include/openbsc/abis_nm.h3
-rw-r--r--openbsc/include/openbsc/gsm_data.h6
-rw-r--r--openbsc/src/abis_nm.c76
-rw-r--r--openbsc/src/bsc_init.c2
-rw-r--r--openbsc/src/gsm_data.c2
5 files changed, 81 insertions, 8 deletions
diff --git a/openbsc/include/openbsc/abis_nm.h b/openbsc/include/openbsc/abis_nm.h
index 5c9cbd0d3..76e5f6e89 100644
--- a/openbsc/include/openbsc/abis_nm.h
+++ b/openbsc/include/openbsc/abis_nm.h
@@ -175,4 +175,7 @@ int nm_is_running(struct gsm_nm_state *s);
int abis_nm_vty_init(void);
+void abis_nm_clear_queue(struct gsm_bts *bts);
+
+
#endif /* _NM_H */
diff --git a/openbsc/include/openbsc/gsm_data.h b/openbsc/include/openbsc/gsm_data.h
index 364eaf4f2..b73c4d1ee 100644
--- a/openbsc/include/openbsc/gsm_data.h
+++ b/openbsc/include/openbsc/gsm_data.h
@@ -91,6 +91,8 @@ enum bts_gprs_mode {
BTS_GPRS_EGPRS = 2,
};
+#define OBSC_NM_W_ACK_CB(__msgb) (__msgb)->cb[3]
+
/* the data structure stored in msgb->cb for openbsc apps */
struct openbsc_msgb_cb {
unsigned char *bssgph;
@@ -592,6 +594,10 @@ struct gsm_bts {
/* transceivers */
int num_trx;
struct llist_head trx_list;
+
+ /* Abis NM queue */
+ struct llist_head abis_queue;
+ int abis_nm_pend;
};
/* Some statistics of our network */
diff --git a/openbsc/src/abis_nm.c b/openbsc/src/abis_nm.c
index 9f55d3510..8bcc96bac 100644
--- a/openbsc/src/abis_nm.c
+++ b/openbsc/src/abis_nm.c
@@ -410,11 +410,31 @@ static struct msgb *nm_msgb_alloc(void)
}
/* Send a OML NM Message from BSC to BTS */
-int abis_nm_sendmsg(struct gsm_bts *bts, struct msgb *msg)
+static int abis_nm_queue_msg(struct gsm_bts *bts, struct msgb *msg)
{
msg->trx = bts->c0;
- return _abis_nm_sendmsg(msg);
+ /* queue OML messages */
+ if (llist_empty(&bts->abis_queue) && !bts->abis_nm_pend) {
+ bts->abis_nm_pend = OBSC_NM_W_ACK_CB(msg);
+ return _abis_nm_sendmsg(msg);
+ } else {
+ msgb_enqueue(&bts->abis_queue, msg);
+ return 0;
+ }
+
+}
+
+int abis_nm_sendmsg(struct gsm_bts *bts, struct msgb *msg)
+{
+ OBSC_NM_W_ACK_CB(msg) = 1;
+ return abis_nm_queue_msg(bts, msg);
+}
+
+static int abis_nm_sendmsg_direct(struct gsm_bts *bts, struct msgb *msg)
+{
+ OBSC_NM_W_ACK_CB(msg) = 0;
+ return abis_nm_queue_msg(bts, msg);
}
static int abis_nm_rcvmsg_sw(struct msgb *mb);
@@ -951,12 +971,30 @@ static int abis_nm_rx_lmt_event(struct msgb *mb)
return 0;
}
+static void abis_nm_queue_send_next(struct gsm_bts *bts)
+{
+ int wait = 0;
+ struct msgb *msg;
+ /* the queue is empty */
+ while (!llist_empty(&bts->abis_queue)) {
+ msg = msgb_dequeue(&bts->abis_queue);
+ wait = OBSC_NM_W_ACK_CB(msg);
+ _abis_nm_sendmsg(msg);
+
+ if (wait)
+ break;
+ }
+
+ bts->abis_nm_pend = wait;
+}
+
/* Receive a OML NM Message from BTS */
static int abis_nm_rcvmsg_fom(struct msgb *mb)
{
struct abis_om_hdr *oh = msgb_l2(mb);
struct abis_om_fom_hdr *foh = msgb_l3(mb);
u_int8_t mt = foh->msg_type;
+ int ret = 0;
/* check for unsolicited message */
if (is_report(mt))
@@ -983,6 +1021,7 @@ static int abis_nm_rcvmsg_fom(struct msgb *mb)
nack_data.msg = mb;
nack_data.mt = mt;
dispatch_signal(SS_NM, S_NM_NACK, &nack_data);
+ abis_nm_queue_send_next(mb->trx->bts);
return 0;
}
#if 0
@@ -1004,13 +1043,13 @@ static int abis_nm_rcvmsg_fom(struct msgb *mb)
switch (mt) {
case NM_MT_CHG_ADM_STATE_ACK:
- return abis_nm_rx_chg_adm_state_ack(mb);
+ ret = abis_nm_rx_chg_adm_state_ack(mb);
break;
case NM_MT_SW_ACT_REQ:
- return abis_nm_rx_sw_act_req(mb);
+ ret = abis_nm_rx_sw_act_req(mb);
break;
case NM_MT_BS11_LMT_SESSION:
- return abis_nm_rx_lmt_event(mb);
+ ret = abis_nm_rx_lmt_event(mb);
break;
case NM_MT_CONN_MDROP_LINK_ACK:
DEBUGP(DNM, "CONN MDROP LINK ACK\n");
@@ -1023,7 +1062,8 @@ static int abis_nm_rcvmsg_fom(struct msgb *mb)
break;
}
- return 0;
+ abis_nm_queue_send_next(mb->trx->bts);
+ return ret;
}
static int abis_nm_rx_ipacc(struct msgb *mb);
@@ -1036,6 +1076,7 @@ static int abis_nm_rcvmsg_manuf(struct msgb *mb)
switch (bts_type) {
case GSM_BTS_TYPE_NANOBTS:
rc = abis_nm_rx_ipacc(mb);
+ abis_nm_queue_send_next(mb->trx->bts);
break;
default:
LOGP(DNM, LOGL_ERROR, "don't know how to parse OML for this "
@@ -1280,7 +1321,7 @@ static int sw_load_segment(struct abis_nm_sw *sw)
sw->obj_instance[0], sw->obj_instance[1],
sw->obj_instance[2]);
- return abis_nm_sendmsg(sw->bts, msg);
+ return abis_nm_sendmsg_direct(sw->bts, msg);
}
/* 6.2.4 / 8.3.4 Load Data End */
@@ -1473,6 +1514,7 @@ static int abis_nm_rcvmsg_sw(struct msgb *mb)
sw->cb_data, NULL);
rc = sw_fill_window(sw);
sw->state = SW_STATE_WAIT_SEGACK;
+ abis_nm_queue_send_next(mb->trx->bts);
break;
case NM_MT_LOAD_INIT_NACK:
if (sw->forced) {
@@ -1493,6 +1535,7 @@ static int abis_nm_rcvmsg_sw(struct msgb *mb)
sw->cb_data, NULL);
sw->state = SW_STATE_ERROR;
}
+ abis_nm_queue_send_next(mb->trx->bts);
break;
}
break;
@@ -1513,6 +1556,7 @@ static int abis_nm_rcvmsg_sw(struct msgb *mb)
sw->state = SW_STATE_WAIT_ENDACK;
rc = sw_load_end(sw);
}
+ abis_nm_queue_send_next(mb->trx->bts);
break;
case NM_MT_LOAD_ABORT:
if (sw->cbfn)
@@ -1534,6 +1578,7 @@ static int abis_nm_rcvmsg_sw(struct msgb *mb)
NM_MT_LOAD_END_ACK, mb,
sw->cb_data, NULL);
rc = 0;
+ abis_nm_queue_send_next(mb->trx->bts);
break;
case NM_MT_LOAD_END_NACK:
if (sw->forced) {
@@ -1553,6 +1598,7 @@ static int abis_nm_rcvmsg_sw(struct msgb *mb)
NM_MT_LOAD_END_NACK, mb,
sw->cb_data, NULL);
}
+ abis_nm_queue_send_next(mb->trx->bts);
break;
}
case SW_STATE_WAIT_ACTACK:
@@ -1566,6 +1612,7 @@ static int abis_nm_rcvmsg_sw(struct msgb *mb)
sw->cbfn(GSM_HOOK_NM_SWLOAD,
NM_MT_ACTIVATE_SW_ACK, mb,
sw->cb_data, NULL);
+ abis_nm_queue_send_next(mb->trx->bts);
break;
case NM_MT_ACTIVATE_SW_NACK:
DEBUGP(DNM, "Activate Software NACK\n");
@@ -1575,6 +1622,7 @@ static int abis_nm_rcvmsg_sw(struct msgb *mb)
sw->cbfn(GSM_HOOK_NM_SWLOAD,
NM_MT_ACTIVATE_SW_NACK, mb,
sw->cb_data, NULL);
+ abis_nm_queue_send_next(mb->trx->bts);
break;
}
case SW_STATE_NONE:
@@ -2032,7 +2080,7 @@ int abis_nm_sw_act_req_ack(struct gsm_bts *bts, u_int8_t obj_class, u_int8_t i1,
if (nack)
msgb_tv_put(msg, NM_ATT_NACK_CAUSES, NM_NACK_OBJCLASS_NOTSUPP);
- return abis_nm_sendmsg(bts, msg);
+ return abis_nm_sendmsg_direct(bts, msg);
}
int abis_nm_raw_msg(struct gsm_bts *bts, int len, u_int8_t *rawmsg)
@@ -3045,3 +3093,15 @@ int ipac_parse_bcch_info(struct ipac_bcch_info *binf, u_int8_t *buf)
return 0;
}
+
+void abis_nm_clear_queue(struct gsm_bts *bts)
+{
+ struct msgb *msg;
+
+ while (!llist_empty(&bts->abis_queue)) {
+ msg = msgb_dequeue(&bts->abis_queue);
+ msgb_free(msg);
+ }
+
+ bts->abis_nm_pend = 0;
+}
diff --git a/openbsc/src/bsc_init.c b/openbsc/src/bsc_init.c
index d3edd9e84..875da16c9 100644
--- a/openbsc/src/bsc_init.c
+++ b/openbsc/src/bsc_init.c
@@ -1081,6 +1081,8 @@ void input_event(int event, enum e1inp_sign_type type, struct gsm_bts_trx *trx)
trx->nm_state.availability = 0;
trx->bb_transc.nm_state.operational = 0;
trx->bb_transc.nm_state.availability = 0;
+
+ abis_nm_clear_queue(trx->bts);
break;
default:
break;
diff --git a/openbsc/src/gsm_data.c b/openbsc/src/gsm_data.c
index f388306b7..1d07cbf50 100644
--- a/openbsc/src/gsm_data.c
+++ b/openbsc/src/gsm_data.c
@@ -241,6 +241,8 @@ struct gsm_bts *gsm_bts_alloc(struct gsm_network *net, enum gsm_bts_type type,
bts->rach_b_thresh = -1;
bts->rach_ldavg_slots = -1;
bts->paging.free_chans_need = -1;
+ INIT_LLIST_HEAD(&bts->abis_queue);
+
llist_add_tail(&bts->list, &net->bts_list);
return bts;
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-08 23:27:50 +0000