Hi,

Shaping with high datarates requires the use of the HR Timers. I once
had problems like that. Is it enabled in your kernel config?

Mickael

2015-03-15 21:49 GMT+01:00 spaceman <[email protected]>:
> Hi,
>
> Yeah, that doesn't seem to work:
> $ tc qdisc add dev eth0 root pfifo_fast
> RTNETLINK answers: No such file or directory
>
> It looks right, but again it doesn't work the way you would expect.
>
> The reason I want it removed is because something is screwing the shaping on
> eth0.2.  I always get 7Mb down and 1Mb up no matter what I set the values
> (ridiculously high or low).  I have tried doing it manually
> (http://lartc.org/) and using wshaper.  Either that or I have a buggy
> release (14.07, r42625). My internet without shaping is 65Mb down and 10Mb
> up.
>
> I like fq_codel (I run where I can), but it won't make as much difference
> unless I get the shaping right because the link to the modem is 100Mb/s
> (which being owned by the ISP probably has a massive queue running fifo) and
> only the connection after that is 10Mb/s. I want fq_codel (on openwrt) to be
> in charge of queue not the modem running fifo.
>
> Regards,
> spaceman
>
> On 2015/03/15 00:03:03 , David Lang wrote:
>>
>> for me, this seems to work
>>
>> # tc qdisc add dev eth3 root pfifo_fast
>> # tc  qdisc
>> qdisc pfifo_fast 8002: dev eth3 root refcnt 2 bands 3 priomap  1 2 2 2 1 2
>> 0 0 1 1 1 1 1 1 1 1
>>
>> I'm curious as to why you are trying to remove fq_codel? have you run into
>> a place where it hurts you? or are you just trying to compare it with
>> pfifo_fast?
>>
>> David Lang
>>
>> On Thu, 12 Mar 2015, spaceman wrote:
>>
>>> Date: Thu, 12 Mar 2015 22:21:42 +0000
>>> From: spaceman <[email protected]>
>>> Reply-To: OpenWrt User List <[email protected]>
>>> To: [email protected]
>>> Subject: [OpenWrt-Users] Remove fq_codel from eth0
>>>
>>> Hi,
>>>
>>> I cannot remove the fq_codel qdisc from the eth0 device.
>>>
>>> I have tried:
>>> tc qdisc del dev eth0 root
>>> However it responds with:
>>> RTNETLINK answers: No such file or directory
>>> However:
>>> tc -s qdisc show dev eth0
>>> Responds with:
>>> qdisc fq_codel 0: root refcnt 2 limit 1024p flows 1024 quantum 300 target
>>> 5.0ms interval 100.0ms ecn
>>> Sent 152870410415 bytes 180254077 pkt (dropped 412, overlimits 0 requeues
>>> 195500)
>>> backlog 0b 0p requeues 195500
>>> maxpacket 1514 drop_overlimit 0 new_flow_count 545433 ecn_mark 4
>>> new_flows_len 0 old_flows_len 0
>>>
>>> How do get rid of it or replace it with pfifo_fast so it basically
>>> doesn't do anything?
>>>
>>> I am using Barrier Breaker.
>>>
>>> Regards,
>>> spaceman
>>> _______________________________________________
>>> openwrt-users mailing list
>>> [email protected]
>>> https://lists.openwrt.org/cgi-bin/mailman/listinfo/openwrt-users
>>>
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