Martin, did you mean to say that when you delete handle 104: (tc filter del dev eth0 parent 2:22 handle 104: protocol ip prio 5 u32 divisor 256) you loose all your shaping for 10.0.0.28/30 as well? B/c from what you have written "...Here there is no error but all filter rules is deleted also filter rules for '10.0.0.0/30' and a have no shaping at all..." it sounds like this is exactly what you are wanting as in no shaping for the 10.0.0.0/30 network. That or I am miss reading you to say that there is no shaping for the eth0 device at all. I personally don't know of any bugs in the tc code, but you might want to cross post to the devl mail list. Have you tried recent (latest / beta) versions of tc / IPRoute2?
Sorry, I know that this is not much help, but it is the best that I can do.
Grant. . . .
Martin Schiøtz wrote:
Hi
I'm doing traffic shaping with tc on '10.0.0.0/30' and '10.0.0.28/30'. I want to delete part of shaping rules on the fly. (see my configuration at the end of this mail)
I wan't to delete the shaping for '10.0.0.0/30' on the fly while still keeping the shaping for part '10.0.0.28/30' running.
When I for example delete rules beginning with the last added rules - I get an error when deleting the rule for 'class':
[root@malinko shape_www-0.20]# tc filter del dev eth0 protocol ip prio 5 parent 2:22 u32 ht 104:3: match ip dst 10.0.0.3 flowid 2:1012
[root@malinko shape_www-0.20]# tc qdisc del dev eth0 parent 2:1012 handle 1012: sfq perturb 4
[root@malinko shape_www-0.20]# tc class del dev eth0 parent 2:22 classid 2:1012 htb rate 128kbit ceil 128kbit burst 0 cburst 0
RTNETLINK answers: Device or resource busy
If I try to delete the whole part of 'handle 104':
[root@malinko shape_www-0.20]# tc filter del dev eth0 protocol ip prio 5 parent 2: u32 match ip dst 10.0.0.0/30 hashkey mask 0x000000ff at 16 link 104: [root@malinko shape_www-0.20]# tc filter del dev eth0 parent 2:22 handle 104: protocol ip prio 5 u32 divisor 256
Here there is no error but all filter rules is deleted also filter rules for '10.0.0.0/30' and a have no shaping at all.
Are there known bugs when deleting with tc? Is there some way to do this?
This is my test configation: --------------------------------------- # shaping eth0 trunk tc qdisc add dev eth0 root handle 2: htb tc class add dev eth0 parent 2: classid 2:22 htb rate 34mbit ceil 34mbit burst 0kbit cburst 0kbit tc filter add dev eth0 parent 2:22 protocol ip prio 5 u32
# shaping 10.0.0.28/30 # tc filter add dev eth0 parent 2:22 handle 102: protocol ip prio 5 u32 divisor 256 tc filter add dev eth0 protocol ip prio 5 parent 2: u32 match ip dst 10.0.0.28/30 hashkey mask 0x000000ff at 16 link 102:
tc class add dev eth0 parent 2:22 classid 2:1002 htb rate 128kbit ceil 128kbit burst 0 cburst 0 tc qdisc add dev eth0 parent 2:1002 handle 1002: sfq perturb 4 tc filter add dev eth0 protocol ip prio 5 parent 2:22 u32 ht 102:1d: match ip dst 10.0.0.29 flowid 2:1002
tc class add dev eth0 parent 2:22 classid 2:1004 htb rate 128kbit ceil 128kbit burst 0 cburst 0 tc qdisc add dev eth0 parent 2:1004 handle 1004: sfq perturb 4 tc filter add dev eth0 protocol ip prio 5 parent 2:22 u32 ht 102:1e: match ip dst 10.0.0.30 flowid 2:1004
tc class add dev eth0 parent 2:22 classid 2:1006 htb rate 128kbit ceil 128kbit burst 0 cburst 0 tc qdisc add dev eth0 parent 2:1006 handle 1006: sfq perturb 4 tc filter add dev eth0 protocol ip prio 5 parent 2:22 u32 ht 102:1f: match ip dst 10.0.0.31 flowid 2:1006
# shaping 10.0.0.0/30 # tc filter add dev eth0 parent 2:22 handle 104: protocol ip prio 5 u32 divisor 256 tc filter add dev eth0 protocol ip prio 5 parent 2: u32 match ip dst 10.0.0.0/30 hashkey mask 0x000000ff at 16 link 104:
tc class add dev eth0 parent 2:22 classid 2:1008 htb rate 128kbit ceil 128kbit burst 0 cburst 0
tc qdisc add dev eth0 parent 2:1008 handle 1008: sfq perturb 4 tc filter add dev eth0 protocol ip prio 5 parent 2:22 u32 ht 104:1: match ip dst 10.0.0.1 flowid 2:1008
tc class add dev eth0 parent 2:22 classid 2:1010 htb rate 128kbit ceil 128kbit burst 0 cburst 0
tc qdisc add dev eth0 parent 2:1010 handle 1010: sfq perturb 4 tc filter add dev eth0 protocol ip prio 5 parent 2:22 u32 ht 104:2: match ip dst 10.0.0.2 flowid 2:1010
tc class add dev eth0 parent 2:22 classid 2:1012 htb rate 128kbit ceil 128kbit burst 0 cburst 0 tc qdisc add dev eth0 parent 2:1012 handle 1012: sfq perturb 4 tc filter add dev eth0 protocol ip prio 5 parent 2:22 u32 ht 104:3: match ip dst 10.0.0.3 flowid 2:1012
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