diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index 3696246d336aa9c0f6d92dbf231f3ebae5806667..330094583c72d187bee75c098b8a1193e49539ef 100644
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -1269,6 +1269,7 @@ struct psched_ratecfg {
 	u64	rate_bytes_ps; /* bytes per second */
 	u32	mult;
 	u16	overhead;
+	u16	mpu;
 	u8	linklayer;
 	u8	shift;
 };
@@ -1278,6 +1279,9 @@ static inline u64 psched_l2t_ns(const struct psched_ratecfg *r,
 {
 	len += r->overhead;
 
+	if (len < r->mpu)
+		len = r->mpu;
+
 	if (unlikely(r->linklayer == TC_LINKLAYER_ATM))
 		return ((u64)(DIV_ROUND_UP(len,48)*53) * r->mult) >> r->shift;
 
@@ -1300,6 +1304,7 @@ static inline void psched_ratecfg_getrate(struct tc_ratespec *res,
 	res->rate = min_t(u64, r->rate_bytes_ps, ~0U);
 
 	res->overhead = r->overhead;
+	res->mpu = r->mpu;
 	res->linklayer = (r->linklayer & TC_LINKLAYER_MASK);
 }
 
diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c
index 6a9c1a39874a0f239797a65941d5591d509c675d..b5005abc84ec2d4db669052e16103dcf2bd36688 100644
--- a/net/sched/sch_generic.c
+++ b/net/sched/sch_generic.c
@@ -1386,6 +1386,7 @@ void psched_ratecfg_precompute(struct psched_ratecfg *r,
 {
 	memset(r, 0, sizeof(*r));
 	r->overhead = conf->overhead;
+	r->mpu = conf->mpu;
 	r->rate_bytes_ps = max_t(u64, conf->rate, rate64);
 	r->linklayer = (conf->linklayer & TC_LINKLAYER_MASK);
 	r->mult = 1;