Cleanup: tc_calc_rtable().

Change tc_calc_rtable() to take a tc_ratespec struct as an
argument. (cell_log still needs to be passed on as a parameter,
because -1 indicate that the cell_log needs to be computed by the
function.).

Signed-off-by: Jesper Dangaard Brouer <hawk@comx.dk>
Signed-off-by: Stephen Hemminger <stephen.hemminger@vyatta.com>
diff --git a/tc/q_tbf.c b/tc/q_tbf.c
index 1fc05f4..c7b4f0f 100644
--- a/tc/q_tbf.c
+++ b/tc/q_tbf.c
@@ -170,21 +170,20 @@
 		opt.limit = lim;
 	}
 
-	if ((Rcell_log = tc_calc_rtable(opt.rate.rate, rtab, Rcell_log, mtu, mpu)) < 0) {
+	opt.rate.mpu = mpu;
+	if (tc_calc_rtable(&opt.rate, rtab, Rcell_log, mtu) < 0) {
 		fprintf(stderr, "TBF: failed to calculate rate table.\n");
 		return -1;
 	}
 	opt.buffer = tc_calc_xmittime(opt.rate.rate, buffer);
-	opt.rate.cell_log = Rcell_log;
-	opt.rate.mpu = mpu;
+
 	if (opt.peakrate.rate) {
-		if ((Pcell_log = tc_calc_rtable(opt.peakrate.rate, ptab, Pcell_log, mtu, mpu)) < 0) {
+		opt.peakrate.mpu = mpu;
+		if (tc_calc_rtable(&opt.peakrate, ptab, Pcell_log, mtu) < 0) {
 			fprintf(stderr, "TBF: failed to calculate peak rate table.\n");
 			return -1;
 		}
 		opt.mtu = tc_calc_xmittime(opt.peakrate.rate, mtu);
-		opt.peakrate.cell_log = Pcell_log;
-		opt.peakrate.mpu = mpu;
 	}
 
 	tail = NLMSG_TAIL(n);