ns2: Add a rate_ctr for each NS-UNBLOCK

We have one for BLOCK, so let's also add one for UNBLOCK.

Change-Id: I693109b7bc4d72b6803b40aae15327389aa37c69
diff --git a/src/gb/gprs_ns2.c b/src/gb/gprs_ns2.c
index 0f65d37..d4d215c 100644
--- a/src/gb/gprs_ns2.c
+++ b/src/gb/gprs_ns2.c
@@ -167,6 +167,7 @@
 	[NS_CTR_BYTES_OUT]	= { "bytes:out",	"Bytes at NS Level    (Out)" },
 	[NS_CTR_BYTES_OUT_DROP]	= { "bytes:out:drop",	"Dropped Bytes        (Out)" },
 	[NS_CTR_BLOCKED]	= { "blocked",		"NS-VC Block count         " },
+	[NS_CTR_UNBLOCKED]	= { "unblocked",	"NS-VC Unblock count       " },
 	[NS_CTR_DEAD] 		= { "dead",		"NS-VC gone dead count     " },
 	[NS_CTR_REPLACED]	= { "replaced",		"NS-VC replaced other count" },
 	[NS_CTR_NSEI_CHG]	= { "nsei-chg",		"NS-VC changed NSEI count  " },
diff --git a/src/gb/gprs_ns2_internal.h b/src/gb/gprs_ns2_internal.h
index 98b3f29..e149767 100644
--- a/src/gb/gprs_ns2_internal.h
+++ b/src/gb/gprs_ns2_internal.h
@@ -93,6 +93,7 @@
 	NS_CTR_BYTES_OUT,
 	NS_CTR_BYTES_OUT_DROP,
 	NS_CTR_BLOCKED,
+	NS_CTR_UNBLOCKED,
 	NS_CTR_DEAD,
 	NS_CTR_REPLACED,
 	NS_CTR_NSEI_CHG,
diff --git a/src/gb/gprs_ns2_vc_fsm.c b/src/gb/gprs_ns2_vc_fsm.c
index e69f327..839bf6f 100644
--- a/src/gb/gprs_ns2_vc_fsm.c
+++ b/src/gb/gprs_ns2_vc_fsm.c
@@ -373,6 +373,9 @@
 	struct gprs_ns2_vc *nsvc = priv->nsvc;
 	struct gprs_ns2_nse *nse = nsvc->nse;
 
+	if (old_state != GPRS_NS2_ST_UNBLOCKED)
+		rate_ctr_inc(&nsvc->ctrg->ctr[NS_CTR_UNBLOCKED]);
+
 	priv->accept_unitdata = true;
 	ns2_nse_notify_unblocked(nsvc, true);
 	ns2_prim_status_ind(nse, nsvc, 0, GPRS_NS2_AFF_CAUSE_VC_RECOVERY);