oml: ipacc: parse Object Version from SW Activated Report

Change-Id: I39105096a6b29bd7e4fb15287653074527c3e024
Related: OS#4505
---
M include/osmocom/bsc/gsm_data.h
M src/osmo-bsc/bts_ipaccess_nanobts.c
2 files changed, 31 insertions(+), 0 deletions(-)

diff --git a/include/osmocom/bsc/gsm_data.h b/include/osmocom/bsc/gsm_data.h
index fa9213b..2876d24 100644
--- a/include/osmocom/bsc/gsm_data.h
+++ b/include/osmocom/bsc/gsm_data.h
@@ -537,6 +537,12 @@
 	bool rsl_connect_sent;
 	bool rsl_connect_ack_received;
 	bool force_rf_lock;
+	/* vendor specific fields below */
+	union {
+		struct {
+			uint8_t obj_version;
+		} ipaccess;
+	};
 };
 
 /* Ericsson OM2000 Managed Object */
diff --git a/src/osmo-bsc/bts_ipaccess_nanobts.c b/src/osmo-bsc/bts_ipaccess_nanobts.c
index 941fe55..24966a7 100644
--- a/src/osmo-bsc/bts_ipaccess_nanobts.c
+++ b/src/osmo-bsc/bts_ipaccess_nanobts.c
@@ -199,6 +199,7 @@
 	struct e1inp_sign_link *sign_link = mb->dst;
 	struct gsm_bts *bts = sign_link->trx->bts;
 	struct gsm_abis_mo *mo;
+	struct tlv_parsed tp;
 
 	if (!is_ipa_abisip_bts(bts))
 		return 0;
@@ -209,6 +210,20 @@
 		return -ENOENT;
 	}
 
+	if (abis_nm_tlv_parse(&tp, bts, &foh->data[0], msgb_l3len(mb) - sizeof(*foh)) < 0) {
+		LOGPFOH(DNM, LOGL_ERROR, foh, "%s(): tlv_parse failed\n", __func__);
+		return -EINVAL;
+	}
+
+	mo->ipaccess.obj_version = 0; /* implicit default */
+	if (TLVP_PRES_LEN(&tp, NM_ATT_IPACC_OBJ_VERSION, 1)) {
+		/* nanoBTS may report several Object Versions;  the first one will
+		 * be used by default unless requested explicitly before OPSTARTing. */
+		mo->ipaccess.obj_version = *TLVP_VAL(&tp, NM_ATT_IPACC_OBJ_VERSION);
+		LOGPFOH(DNM, LOGL_INFO, foh, "IPA Object Version is %u (default)\n",
+			mo->ipaccess.obj_version);
+	}
+
 	osmo_fsm_inst_dispatch(mo->fi, NM_EV_SW_ACT_REP, NULL);
 	return 0;
 }

