cosmetic: a_iface: Harmonize log statements

Clean up the log statements in a_iface*.c, which was very inconsistent.
For example "BSC sending" is very confusing.  We are receiving from the BSC,
and it did already send the message, it is no longer in the process of
sending it if we have already received it in the MSC.

Change-Id: Id50e964d86713ae506d4e7657159797e09501d99
diff --git a/src/libmsc/a_iface_bssap.c b/src/libmsc/a_iface_bssap.c
index d865ea3..77a7779 100644
--- a/src/libmsc/a_iface_bssap.c
+++ b/src/libmsc/a_iface_bssap.c
@@ -110,7 +110,7 @@
 	ss7 = osmo_ss7_instance_find(network->a.cs7_instance);
 	OSMO_ASSERT(ss7);
 
-	LOGP(DMSC, LOGL_NOTICE, "Rx RESET from BSC %s, sending RESET ACK\n",
+	LOGP(DMSC, LOGL_NOTICE, "Rx BSSMAP RESET from BSC %s, sending RESET ACK\n",
 	     osmo_sccp_addr_name(ss7, &a_conn_info->bsc->bsc_addr));
 	osmo_sccp_tx_unitdata_msg(scu, &a_conn_info->bsc->msc_addr, &a_conn_info->bsc->bsc_addr,
 				  gsm0808_create_reset_ack());
@@ -164,7 +164,7 @@
 		return;
 	}
 
-	LOGP(DMSC, LOGL_DEBUG, "Rx BSC UDT BSSMAP %s\n", gsm0808_bssmap_name(msg->l3h[0]));
+	LOGP(DMSC, LOGL_DEBUG, "Rx BSSMAP UDT %s\n", gsm0808_bssmap_name(msg->l3h[0]));
 
 	switch (msg->l3h[0]) {
 	case BSS_MAP_MSG_RESET:
@@ -371,7 +371,7 @@
 	if (!conn)
 		goto fail;
 
-	LOGPCONN(conn, LOGL_DEBUG, "BSC sends clasmark update\n");
+	LOGPCONN(conn, LOGL_DEBUG, "Rx BSSMAP CLASSMARK UPDATE\n");
 
 	tlv_parse(&tp, gsm0808_att_tlvdef(), msg->l3h + 1, msgb_l3len(msg) - 1, 0, 0);
 	if (!TLVP_PRESENT(&tp, GSM0808_IE_CLASSMARK_INFORMATION_T2)) {
@@ -418,7 +418,7 @@
 	if (!conn)
 		goto fail;
 
-	LOGPCONN(conn, LOGL_DEBUG, "BSC sends cipher mode complete\n");
+	LOGPCONN(conn, LOGL_DEBUG, "Rx BSSMAP CIPHER MODE COMPLETE\n");
 
 	tlv_parse(&tp, gsm0808_att_tlvdef(), msg->l3h + 1, msgb_l3len(msg) - 1, 0, 0);
 
@@ -456,7 +456,7 @@
 	if (!conn)
 		goto fail;
 
-	LOGPCONN(conn, LOGL_NOTICE, "BSC sends cipher mode reject\n");
+	LOGPCONN(conn, LOGL_NOTICE, "RX BSSMAP CIPHER MODE REJECT\n");
 
 	tlv_parse(&tp, gsm0808_att_tlvdef(), msg->l3h + 1, msgb_l3len(msg) - 1, 0, 0);
 	if (!TLVP_PRESENT(&tp, BSS_MAP_MSG_CIPHER_MODE_REJECT)) {
@@ -491,7 +491,7 @@
 	if (!conn)
 		goto fail;
 
-	LOGPCONN(conn, LOGL_NOTICE, "BSC sends assignment failure message\n");
+	LOGPCONN(conn, LOGL_NOTICE, "Rx BSSMAP ASSIGNMENT FAILURE message\n");
 
 	tlv_parse(&tp, gsm0808_att_tlvdef(), msg->l3h + 1, msgb_l3len(msg) - 1, 0, 0);
 	if (!TLVP_PRESENT(&tp, GSM0808_IE_CAUSE)) {
@@ -628,7 +628,7 @@
 		return -1;
 	}
 
-	LOGP(DMSC, LOGL_DEBUG, "Rx MSC DT1 BSSMAP %s\n", gsm0808_bssmap_name(msg->l3h[0]));
+	LOGP(DMSC, LOGL_DEBUG, "Rx BSSMAP DT1 %s\n", gsm0808_bssmap_name(msg->l3h[0]));
 
 	switch (msg->l3h[0]) {
 	case BSS_MAP_MSG_CLEAR_RQST:
@@ -679,7 +679,7 @@
 		return -EINVAL;
 	}
 
-	LOGPCONN(conn, LOGL_DEBUG, "BSC sends layer 3 dtap\n");
+	LOGPCONN(conn, LOGL_DEBUG, "Rx DTAP %s\n", msgb_hexdump_l2(msg));
 
 	/* msc_dtap expects the dtap payload in l3h */
 	msg->l3h = msg->l2h + 3;