On Fri, 4 Mar 2022 12:56:40 +0800 Menglong Dong wrote: > You are right, I think I misunderstanded the concept of qdisc and tc before. > and seems all 'QDISC' here should be 'TC'? which means: > > QDISC_EGRESS -> TC_EGRESS > QDISC_DROP -> TC_DROP For this one QDISC is good, I think, it will mostly catch packets which went thru qdisc_drop(), right? > QDISC_INGRESS -> TC_INGRESS