I've been experimenting with HTB and have found that it works on a wired Ethernet devices but does not work on wireless devices.
Packets are being correctly classified by the mangle table but are being placed in the default bucket when using wireless. They
Are placed in the correct bucket when using wired.
The script below shows how to reproduce it.
Any thoughts? Is this a bug?
Regards,
Russell
#!/bin/bash
# Test command to send EF packets
# ping6 ff02::1%em1 -Q 0xb8
# Test command to send unmarked packets
# ping6 ff02::1%em1
# View packet placement with
# watch tc -s qdisc show dev em1
# Verify ip6tables matching with counters
# watch ip6tables -L -v -n -t mangle
dev=em1
# dev=wlp4s0
tc qdisc add dev ${dev} root handle 1: htb default 12
tc class add dev ${dev} parent 1: classid 1:1 htb rate 100.0mbit ceil 100.0mbit
tc class add dev ${dev} parent 1:1 classid 1:11 htb rate 40.0mbit ceil 100.0mbit prio 1
tc qdisc add dev ${dev} parent 1:11 handle 111: pfifo limit 1000
tc class add dev ${dev} parent 1:1 classid 1:12 htb rate 40.0mbit ceil 100.0mbit prio 2
tc qdisc add dev ${dev} parent 1:12 handle 112: pfifo limit 1000
ip6tables -t mangle -A POSTROUTING -o ${dev} -m dscp --dscp-class ef -j CLASSIFY --set-class 1:11
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