Re: Unable to create htb tc classes more than 64K

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On Thu, Aug 22, 2019 at 3:37 AM Cong Wang <xiyou.wangcong@xxxxxxxxx> wrote:
> > I am using ipset +  iptables to classify and not filters. Besides, if
> > tc is allowing me to define qdisc -> classes -> qdsic -> classes
> > (1,2,3 ...) sort of structure (ie like the one shown in ascii tree)
> > then how can those lowest child classes be actually used or consumed?
>
> Just install tc filters on the lower level too.

If I understand correctly, you are saying,
instead of :
tc filter add dev eno2 parent 100: protocol ip prio 1 handle
0x00000001 fw flowid 1:10
tc filter add dev eno2 parent 100: protocol ip prio 1 handle
0x00000002 fw flowid 1:20
tc filter add dev eno2 parent 100: protocol ip prio 1 handle
0x00000003 fw flowid 2:10
tc filter add dev eno2 parent 100: protocol ip prio 1 handle
0x00000004 fw flowid 2:20


I should do this: (i.e. changing parent to just immediate qdisc)
tc filter add dev eno2 parent 1: protocol ip prio 1 handle 0x00000001
fw flowid 1:10
tc filter add dev eno2 parent 1: protocol ip prio 1 handle 0x00000002
fw flowid 1:20
tc filter add dev eno2 parent 2: protocol ip prio 1 handle 0x00000003
fw flowid 2:10
tc filter add dev eno2 parent 2: protocol ip prio 1 handle 0x00000004
fw flowid 2:20

I tried this previously. But there is not change in the result.
Behaviour is exactly same, i.e. I am still getting 100Mbps and not
100kbps or 300kbps

Besides, as I mentioned previously I am using ipset + skbprio and not
filters stuff. Filters I used just to test.

ipset  -N foo hash:ip,mark skbinfo

ipset -A foo 10.10.10.10, 0x0x00000001 skbprio 1:10
ipset -A foo 10.10.10.20, 0x0x00000002 skbprio 1:20
ipset -A foo 10.10.10.30, 0x0x00000003 skbprio 2:10
ipset -A foo 10.10.10.40, 0x0x00000004 skbprio 2:20

iptables -A POSTROUTING -j SET --map-set foo dst,dst --map-prio

That's why I added @Anton Danilov in cc, so that he can have a look as
he designed this skbprio thing in ipset and thus would be having a
better idea.



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