misc: Change the logging for the tbf and what to log

TLLIs got printed as TBF. Fix that but also rename things to
TFI. The TFI is not required to be unique per BTS but it is
the indicator we use right now.
diff --git a/src/bts.cpp b/src/bts.cpp
index f37dcb4..e7bd4a8 100644
--- a/src/bts.cpp
+++ b/src/bts.cpp
@@ -165,14 +165,14 @@
 			}
 			/* mark first slot found, if none is marked already */
 			if (ts == 8 && first_ts >= 0) {
-				LOGP(DRLCMAC, LOGL_DEBUG, "- %s TBF=%d uses "
+				LOGP(DRLCMAC, LOGL_DEBUG, "- %s TFI=%d uses "
 					"TRX=%d TS=%d, so we mark\n",
 					(tbf->direction == GPRS_RLCMAC_UL_TBF)
 						? "UL" : "DL",
 					tbf->tfi, tbf->trx_no, first_ts);
 				slot_mask[tbf->trx_no] |= (1 << first_ts);
 			} else
-				LOGP(DRLCMAC, LOGL_DEBUG, "- %s TBF=%d uses "
+				LOGP(DRLCMAC, LOGL_DEBUG, "- %s TFI=%d uses "
 					"already marked TRX=%d TS=%d\n",
 					(tbf->direction == GPRS_RLCMAC_UL_TBF)
 						? "UL" : "DL",
@@ -464,7 +464,7 @@
 	/* check for downlink tbf:  */
 	if (old_tbf) {
 		LOGP(DRLCMAC, LOGL_DEBUG, "Send dowlink assignment on "
-			"PACCH, because %s TBF=%d exists for TLLI=0x%08x\n",
+			"PACCH, because %s TFI=%d exists for TLLI=0x%08x\n",
 			(old_tbf->direction == GPRS_RLCMAC_UL_TBF)
 				? "UL" : "DL", old_tbf->tfi, old_tbf->tlli);
 		old_tbf->dl_ass_state = GPRS_RLCMAC_DL_ASS_SEND_ASS;
@@ -476,7 +476,7 @@
 		/* start timer */
 		tbf_timer_start(tbf, 0, Tassign_pacch);
 	} else {
-		LOGP(DRLCMAC, LOGL_DEBUG, "Send dowlink assignment for TBF=%d on PCH, no TBF exist (IMSI=%s)\n", tbf->tfi, imsi);
+		LOGP(DRLCMAC, LOGL_DEBUG, "Send dowlink assignment for TFI=%d on PCH, no TBF exist (IMSI=%s)\n", tbf->tfi, imsi);
 		if (!imsi || strlen(imsi) < 3) {
 			LOGP(DRLCMAC, LOGL_ERROR, "No valid IMSI!\n");
 			return;
@@ -681,13 +681,13 @@
 	/* find TBF inst from given TFI */
 	tbf = bts()->tbf_by_tfi(rh->tfi, trx_no(), GPRS_RLCMAC_UL_TBF);
 	if (!tbf) {
-		LOGP(DRLCMACUL, LOGL_NOTICE, "UL DATA unknown TBF=%d\n",
+		LOGP(DRLCMACUL, LOGL_NOTICE, "UL DATA unknown TFI=%d\n",
 			rh->tfi);
 		return 0;
 	}
 	tbf->state_flags |= (1 << GPRS_RLCMAC_FLAG_UL_DATA);
 
-	LOGP(DRLCMACUL, LOGL_DEBUG, "UL DATA TBF=%d received (V(Q)=%d .. "
+	LOGP(DRLCMACUL, LOGL_DEBUG, "UL DATA TFI=%d received (V(Q)=%d .. "
 		"V(R)=%d)\n", rh->tfi, tbf->dir.ul.v_q, tbf->dir.ul.v_r);
 
 	/* process RSSI */
@@ -699,7 +699,7 @@
 
 		/* no TLLI yet */
 		if (!rh->ti) {
-			LOGP(DRLCMACUL, LOGL_NOTICE, "UL DATA TBF=%d without "
+			LOGP(DRLCMACUL, LOGL_NOTICE, "UL DATA TFI=%d without "
 				"TLLI, but no TLLI received yet\n", rh->tfi);
 			return 0;
 		}
@@ -707,14 +707,14 @@
 		if (rc) {
 			bts()->decode_error();
 			LOGP(DRLCMACUL, LOGL_NOTICE, "Failed to decode TLLI "
-				"of UL DATA TBF=%d.\n", rh->tfi);
+				"of UL DATA TFI=%d.\n", rh->tfi);
 			return 0;
 		}
 		LOGP(DRLCMACUL, LOGL_INFO, "Decoded premier TLLI=0x%08x of "
-			"UL DATA TBF=%d.\n", tbf->tlli, rh->tfi);
+			"UL DATA TFI=%d.\n", tbf->tlli, rh->tfi);
 		if ((dl_tbf = bts()->tbf_by_tlli(tbf->tlli, GPRS_RLCMAC_DL_TBF))) {
 			LOGP(DRLCMACUL, LOGL_NOTICE, "Got RACH from "
-				"TLLI=0x%08x while DL TBF=%d still exists. "
+				"TLLI=0x%08x while DL TFI=%d still exists. "
 				"Killing pending DL TBF\n", tbf->tlli,
 				dl_tbf->tfi);
 			tbf_free(dl_tbf);
@@ -723,7 +723,7 @@
 		 * yet marked valid */
 		if ((ul_tbf = bts()->tbf_by_tlli(tbf->tlli, GPRS_RLCMAC_UL_TBF))) {
 			LOGP(DRLCMACUL, LOGL_NOTICE, "Got RACH from "
-				"TLLI=0x%08x while UL TBF=%d still exists. "
+				"TLLI=0x%08x while UL TFI=%d still exists. "
 				"Killing pending UL TBF\n", tbf->tlli,
 				ul_tbf->tfi);
 			tbf_free(ul_tbf);
@@ -738,12 +738,12 @@
 		rc = Decoding::tlli_from_ul_data(data, len, &tlli);
 		if (rc) {
 			LOGP(DRLCMACUL, LOGL_NOTICE, "Failed to decode TLLI "
-				"of UL DATA TBF=%d.\n", rh->tfi);
+				"of UL DATA TFI=%d.\n", rh->tfi);
 			return 0;
 		}
 		if (tlli != tbf->tlli) {
 			LOGP(DRLCMACUL, LOGL_NOTICE, "TLLI mismatch on UL "
-				"DATA TBF=%d. (Ignoring due to contention "
+				"DATA TFI=%d. (Ignoring due to contention "
 				"resolution)\n", rh->tfi);
 			return 0;
 		}
@@ -876,7 +876,7 @@
 	tbf = bts()->tbf_by_poll_fn(fn, trx_no(), ts_no);
 	if (!tbf) {
 		LOGP(DRLCMAC, LOGL_NOTICE, "PACKET CONTROL ACK with "
-			"unknown FN=%u TLL=0x%08x (TRX %d TS %d)\n",
+			"unknown FN=%u TLLI=0x%08x (TRX %d TS %d)\n",
 			fn, tlli, trx_no(), ts_no);
 		return;
 	}
@@ -898,7 +898,7 @@
 			tbf->state_flags &=
 				~(1 << GPRS_RLCMAC_FLAG_TO_UL_ACK);
 				LOGP(DRLCMAC, LOGL_NOTICE, "Recovered uplink "
-					"ack for UL TBF=%d\n", tbf->tfi);
+					"ack for UL TFI=%d\n", tbf->tfi);
 		}
 		tbf_free(tbf);
 		return;
@@ -925,7 +925,7 @@
 			tbf->state_flags &=
 				~(1 << GPRS_RLCMAC_FLAG_TO_DL_ASS);
 			LOGP(DRLCMAC, LOGL_NOTICE, "Recovered downlink "
-				"assignment for DL TBF=%d\n", tbf->tfi);
+				"assignment for DL TFI=%d\n", tbf->tfi);
 		}
 		tbf_assign_control_ts(tbf);
 		return;
@@ -951,7 +951,7 @@
 			tbf->state_flags &=
 				~(1 << GPRS_RLCMAC_FLAG_TO_UL_ASS);
 			LOGP(DRLCMAC, LOGL_NOTICE, "Recovered uplink "
-				"assignment for UL TBF=%d\n", tbf->tfi);
+				"assignment for UL TFI=%d\n", tbf->tfi);
 		}
 		tbf_assign_control_ts(tbf);
 		return;
@@ -983,7 +983,7 @@
 	if ((tbf->state_flags & (1 << GPRS_RLCMAC_FLAG_TO_DL_ACK))) {
 		tbf->state_flags &= ~(1 << GPRS_RLCMAC_FLAG_TO_DL_ACK);
 		LOGP(DRLCMAC, LOGL_NOTICE, "Recovered downlink ack "
-			"for DL TBF=%d\n", tbf->tfi);
+			"for DL TFI=%d\n", tbf->tfi);
 	}
 	/* reset N3105 */
 	tbf->n3105 = 0;
@@ -1023,7 +1023,7 @@
 		tbf = bts()->tbf_by_tlli(tlli, GPRS_RLCMAC_UL_TBF);
 		if (tbf) {
 			LOGP(DRLCMACUL, LOGL_NOTICE, "Got RACH from "
-				"TLLI=0x%08x while UL TBF=%d still "
+				"TLLI=0x%08x while UL TFI=%d still "
 				"exists. Killing pending DL TBF\n",
 				tlli, tbf->tfi);
 			tbf_free(tbf);
@@ -1036,7 +1036,7 @@
 
 			if ((dl_tbf = bts()->tbf_by_tlli(tlli, GPRS_RLCMAC_DL_TBF))) {
 				LOGP(DRLCMACUL, LOGL_NOTICE, "Got RACH from "
-						"TLLI=0x%08x while DL TBF=%d still exists. "
+						"TLLI=0x%08x while DL TFI=%d still exists. "
 					"Killing pending DL TBF\n", tlli,
 				dl_tbf->tfi);
 				tbf_free(dl_tbf);
@@ -1081,14 +1081,14 @@
 			tfi = request->ID.u.Global_TFI.u.DOWNLINK_TFI;
 			tbf = bts()->tbf_by_tfi(tfi, trx_no(), GPRS_RLCMAC_DL_TBF);
 			if (!tbf) {
-				LOGP(DRLCMAC, LOGL_NOTICE, "PACKET RESSOURCE REQ unknown downlink TBF=%d\n", tlli);
+				LOGP(DRLCMAC, LOGL_NOTICE, "PACKET RESSOURCE REQ unknown downlink TLLI=0x%08x\n", tlli);
 				return;
 			}
 		} else {
 			tfi = request->ID.u.Global_TFI.u.UPLINK_TFI;
 			tbf = bts()->tbf_by_tfi(tfi, trx_no(), GPRS_RLCMAC_UL_TBF);
 			if (!tbf) {
-				LOGP(DRLCMAC, LOGL_NOTICE, "PACKET RESSOURCE REQ unknown uplink TBF=%d\n", tlli);
+				LOGP(DRLCMAC, LOGL_NOTICE, "PACKET RESSOURCE REQ unknown uplink TLLI=%d\n", tlli);
 				return;
 			}
 		}