I'm sorry for my mistake. I did not think so much
I actually want to express the meaning is
tc qdisc should not be operated when never enabled policing.
Because my question is this:
step1. Configure the tc command at the ovs-port
# tc qdisc add dev ovs-port ingress
# tc qdisc show dev ovs-port
qdisc noqueue 0: root refcnt 2
qdisc ingress ffff: parent ffff:fff1 ----------------
step2. Then refresh the ovs-port state, qdisc ingress is removed.
# ip link set ovs-port down
# ip link set ovs-port up
# tc qdisc show dev ovs-port
qdisc noqueue 0: root refcnt 2
I want to fix this problem, but accidentally broke the original
function. I'm very sorry.
I sent a new version to fix it:
https://mail.openvswitch.org/pipermail/ovs-dev/2017-November/340971.html
After this patch is applied, it looks to me like removing policing
becomes a complete no-op. That cannot be right; it means that policing,
once enabled, cannot be disabled.
Can you help me understand better?
Thanks,
Ben.
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