Replace "usec" by "time" in function names

[IPROUTE]: Replace "usec" by "time" in function names

Rename functions containing "usec" since they don't necessarily return
usec units anymore.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
diff --git a/tc/q_tbf.c b/tc/q_tbf.c
index a102696..1fc05f4 100644
--- a/tc/q_tbf.c
+++ b/tc/q_tbf.c
@@ -67,7 +67,7 @@
 				fprintf(stderr, "Double \"limit/latency\" spec\n");
 				return -1;
 			}
-			if (get_usecs(&latency, *argv)) {
+			if (get_time(&latency, *argv)) {
 				explain1("latency");
 				return -1;
 			}
@@ -245,13 +245,13 @@
 	if (show_raw)
 		fprintf(f, "limit %s ", sprint_size(qopt->limit, b1));
 
-	latency = TIME_UNITS_PER_SEC*(qopt->limit/(double)qopt->rate.rate) - tc_core_tick2usec(qopt->buffer);
+	latency = TIME_UNITS_PER_SEC*(qopt->limit/(double)qopt->rate.rate) - tc_core_tick2time(qopt->buffer);
 	if (qopt->peakrate.rate) {
-		double lat2 = TIME_UNITS_PER_SEC*(qopt->limit/(double)qopt->peakrate.rate) - tc_core_tick2usec(qopt->mtu);
+		double lat2 = TIME_UNITS_PER_SEC*(qopt->limit/(double)qopt->peakrate.rate) - tc_core_tick2time(qopt->mtu);
 		if (lat2 > latency)
 			latency = lat2;
 	}
-	fprintf(f, "lat %s ", sprint_usecs(latency, b1));
+	fprintf(f, "lat %s ", sprint_time(latency, b1));
 
 	return 0;
 }