Subject: Re: tc rsvp filter show broke

From: John Fastabend <[email-masked]>
Date: Fri, 26 Sep 2014 16:25:00 -0700

On 09/26/2014 03:48 PM, Jamal Hadi Salim wrote:
> On 09/26/14 13:41, John Fastabend wrote:
>> Hi Jamal,
>>
>> Here is another strange 'tc' result that I think is a
>> bug. If it was intended I can't see why. Show filter
>> commands on rsvp classifiers only list the first entry?
>>
> 
> Hrm  - poking inside there and this seems to be one of those
> classifiers that hasnt been getting a lot of love. Doesnt
> support actions well for example.
> 
> It seems to work for me:

This works for me as well try adding two or more policers and
check if they all get printed.

> ----------
> /sbin/tc -V
> tc utility, iproute2-ss140610
> 
> uname -a
> Linux jhs-1 3.16.0-rc2+ #4 SMP Fri Aug 29 11:13:53 EDT 2014 x86_64 x86_64 x86_64 GNU/Linux
> 
> sudo /sbin/tc qdisc add dev eth0 root handle 1:0 prio
> sudo /sbin/tc filter add dev eth0 pref 10 proto ip parent 1:0 rsvp session 10.0.0.1 ipproto icmp classid 1:1  police rate 1kbit burst 90k conform-exceed drop/ok
> /sbin/tc -s filter show dev eth0 parent 1:0
> filter protocol ip pref 10 rsvp
> filter protocol ip pref 10 rsvp fh 0x0001100a flowid 1:1 session 10.0.0.1 ipproto icmp
>  Sent 0 bytes 0 pkts (dropped 0, overlimits 0)
> 
> Now lets send a fast ping:
> sudo ping -f 10.0.0.1 -c 10000
> .......
> 10000 packets transmitted, 386 received, 96% packet loss, time 115495ms
> rtt min/avg/max/mdev = 0.300/0.499/1.262/0.164 ms, ipg/ewma 11.550/0.463 ms
> 
> /sbin/tc -s filter show dev eth0 parent 1:0
> filter protocol ip pref 10 rsvp
> filter protocol ip pref 10 rsvp fh 0x0001100a flowid 1:1 session 10.0.0.1 ipproto icmp
>  Sent 980000 bytes 10000 pkts (dropped 9614, overlimits 9614)
> 
> cheers,
> jamal
> 
> 
> 
> 
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