From 950eca9b761ddb2ed8f7af142094d9fac64f30df Mon Sep 17 00:00:00 2001
From: Harald Welte <laforge@gnumonks.org>
Date: Fri, 25 Dec 2009 22:49:34 +0100
Subject: [PATCH] [meas_rep] Add raw neighbor index into per-cell parsed meas
 rep

---
 openbsc/include/openbsc/meas_rep.h |  1 +
 openbsc/src/gsm_04_08_utils.c      | 22 +++++++++++++---------
 2 files changed, 14 insertions(+), 9 deletions(-)

diff --git a/openbsc/include/openbsc/meas_rep.h b/openbsc/include/openbsc/meas_rep.h
index fd5fced43..3c2c8d1c1 100644
--- a/openbsc/include/openbsc/meas_rep.h
+++ b/openbsc/include/openbsc/meas_rep.h
@@ -7,6 +7,7 @@
 struct gsm_meas_rep_cell {
 	u_int8_t rxlev;
 	u_int8_t bsic;
+	u_int8_t neigh_idx;
 	u_int16_t arfcn;
 	unsigned int flags;
 };
diff --git a/openbsc/src/gsm_04_08_utils.c b/openbsc/src/gsm_04_08_utils.c
index 9813edba5..04440390a 100644
--- a/openbsc/src/gsm_04_08_utils.c
+++ b/openbsc/src/gsm_04_08_utils.c
@@ -734,44 +734,48 @@ int gsm48_parse_meas_rep(struct gsm_meas_rep *rep, struct msgb *msg)
 	/* an encoding nightmare in perfection */
 	mrc = &rep->cell[0];
 	mrc->rxlev = data[3] & 0x3f;
-	mrc->arfcn = bitvec_get_nth_set_bit(nbv, data[4] >> 3);
+	mrc->neigh_idx = data[4] >> 3;
+	mrc->arfcn = bitvec_get_nth_set_bit(nbv, mrc->neigh_idx);
 	mrc->bsic = ((data[4] & 0x07) << 3) | (data[5] >> 5);
 	if (rep->num_cell < 2)
 		return 0;
 
 	mrc = &rep->cell[1];
 	mrc->rxlev = ((data[5] & 0x1f) << 1) | (data[6] >> 7);
-	mrc->arfcn = bitvec_get_nth_set_bit(nbv, (data[6] >> 2) & 0x1f);
+	mrc->neigh_idx = (data[6] >> 2) & 0x1f;
+	mrc->arfcn = bitvec_get_nth_set_bit(nbv, mrc->neigh_idx);
 	mrc->bsic = ((data[6] & 0x03) << 4) | (data[7] >> 4);
 	if (rep->num_cell < 3)
 		return 0;
 
 	mrc = &rep->cell[2];
 	mrc->rxlev = ((data[7] & 0x0f) << 2) | (data[8] >> 6);
-	mrc->arfcn = bitvec_get_nth_set_bit(nbv, (data[8] >> 1) & 0x1f);
+	mrc->neigh_idx = (data[8] >> 1) & 0x1f;
+	mrc->arfcn = bitvec_get_nth_set_bit(nbv, mrc->neigh_idx);
 	mrc->bsic = ((data[8] & 0x01) << 6) | (data[9] >> 3);
 	if (rep->num_cell < 4)
 		return 0;
 
 	mrc = &rep->cell[3];
 	mrc->rxlev = ((data[9] & 0x07) << 3) | (data[10] >> 5);
-	mrc->arfcn = bitvec_get_nth_set_bit(nbv, data[10] & 0x1f);
+	mrc->neigh_idx = data[10] & 0x1f;
+	mrc->arfcn = bitvec_get_nth_set_bit(nbv, mrc->neigh_idx);
 	mrc->bsic = data[11] >> 2;
 	if (rep->num_cell < 5)
 		return 0;
 
 	mrc = &rep->cell[4];
 	mrc->rxlev = ((data[11] & 0x03) << 4) | (data[12] >> 4);
-	mrc->arfcn = bitvec_get_nth_set_bit(nbv,
-				((data[12] & 0xf) << 1) | (data[13] >> 7));
+	mrc->neigh_idx = ((data[12] & 0xf) << 1) | (data[13] >> 7);
+	mrc->arfcn = bitvec_get_nth_set_bit(nbv, mrc->neigh_idx);
 	mrc->bsic = (data[13] >> 1) & 0x3f;
 	if (rep->num_cell < 6)
 		return 0;
 
 	mrc = &rep->cell[5];
-	mrc-> rxlev = ((data[13] & 0x01) << 5) | (data[14] >> 3);
-	mrc->arfcn = bitvec_get_nth_set_bit(nbv,
-				((data[14] & 0x07) << 2) | (data[15] >> 6));
+	mrc->rxlev = ((data[13] & 0x01) << 5) | (data[14] >> 3);
+	mrc->neigh_idx = ((data[14] & 0x07) << 2) | (data[15] >> 6);
+	mrc->arfcn = bitvec_get_nth_set_bit(nbv, mrc->neigh_idx);
 	mrc->bsic = data[15] & 0x3f;
 
 	return 0;