diff --git a/include/linux/pkt_sched.h b/include/linux/pkt_sched.h
index 268c51599eb8dc9343ffcdc6ef76e161858f6772..919af93b70596e70a06bdd10363c1d57a1aa50f4 100644
--- a/include/linux/pkt_sched.h
+++ b/include/linux/pkt_sched.h
@@ -77,8 +77,8 @@ struct tc_ratespec
 {
 	unsigned char	cell_log;
 	unsigned char	__reserved;
-	unsigned short	feature;
-	short		addend;
+	unsigned short	overhead;
+	short		cell_align;
 	unsigned short	mpu;
 	__u32		rate;
 };
diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index 4ebd615bd013e4cd8331cb6e7e89b39e05ab5e0c..a02ec9e5fea51934666d4b18085b0bcbd682f86a 100644
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -307,7 +307,9 @@ static inline int qdisc_reshape_fail(struct sk_buff *skb, struct Qdisc *sch)
  */
 static inline u32 qdisc_l2t(struct qdisc_rate_table* rtab, unsigned int pktlen)
 {
-	int slot = pktlen;
+	int slot = pktlen + rtab->rate.cell_align + rtab->rate.overhead;
+	if (slot < 0)
+		slot = 0;
 	slot >>= rtab->rate.cell_log;
 	if (slot > 255)
 		return (rtab->data[255]*(slot >> 8) + rtab->data[slot & 0xFF]);