I think I must have the syntax wrong for using the firewall classifier
in TCNG. Can anyone offer any suggestions for what I am doing wrong.
Details below...
#include "packet.def"
dev eth0 100000 {
htb (rate 128kbps, ceil 150kbps ) {
fw;
class (0x100) {
htb (rate 100kbps, ceil 120kbps ) {
class if 1 {
sfq(perturb 10secs);
}
}
}
class (0x200) {
htb (rate 50kbps, ceil 60kbps ) {
class if 1 {
sfq(perturb 10secs);
}
}
}
}
}
send nfmark=0x100 TCP_PCK()
send nfmark=0x200 TCP_PCK()
end
Invoked with tcsim -v -v -v test3.tcsim. You can
see in the resulting simulation run that the packet never
makes it to the queues I had intended, namely the sfqs.
.000000 T : qdisc add dev eth0 handle 1:0 root htb
0.000000 T : class add dev eth0 parent 1:0 classid 1:100 htb rate
16000bps ceil 18750bps
0.000000 T : qdisc add dev eth0 handle 2:0 parent 1:100 htb
0.000000 T : class add dev eth0 parent 2:0 classid 2:1 htb rate 12500bps
ceil 15000bps
0.000000 T : qdisc add dev eth0 handle 3:0 parent 2:1 sfq perturb 10
0.000000 T : filter add dev eth0 parent 2:0 protocol all prio 1 u32
match u32 0x0 0x0 at 0 classid 2:1
0.000000 T : class add dev eth0 parent 1:0 classid 1:200 htb rate
16000bps ceil 18750bps
0.000000 T : qdisc add dev eth0 handle 4:0 parent 1:200 htb
0.000000 T : class add dev eth0 parent 4:0 classid 4:1 htb rate 6250bps
ceil 7500bps
0.000000 T : qdisc add dev eth0 handle 5:0 parent 4:1 sfq perturb 10
0.000000 T : filter add dev eth0 parent 4:0 protocol all prio 1 u32
match u32 0x0 0x0 at 0 classid 4:1
0.000000 T : filter add dev eth0 parent 1:0 protocol all prio 1 fw
0.000000 E : 0x80ced10 60 : eth0: 4500003c 00000000 40000000 0a000001
121a006a 45000000 00000000 40060000 0a000001 121a006a 00000000 00000000
00000000 50000000 00000000
0.000000 e : 0x80ced10 60 : <0> calling htb (1:0)
0.000000 c : 0x80ced10 60 : <1> calling fw at 1:0, prio 0x00010000
0.000000 c : 0x80ced10 60 : <1> fw at 1:0 returns OK (0) (0:100, 0x0)
0.000000 e : 0x80ced10 60 : <0> htb (1:0) returns SUCCESS (0)
0.000000 d : 0x0 0 : <0> calling htb (1:0)
0.000000 d : 0x80ced10 60 : <0> htb (1:0)
0.000000 D : 0x80ced10 60 : eth0: 4500003c 00000000 40000000 0a000001
121a006a 45000000 00000000 40060000 0a000001 121a006a 00000000 00000000
00000000 50000000 00000000
0.000000 E : 0x80cf088 60 : eth0: 4500003c 00000000 40060000 0a000001
121a006b 45000000 00000000 40060000 0a000001 121a006b 00000000 00000000
00000000 50000000 00000000
0.000000 e : 0x80cf088 60 : <0> calling htb (1:0)
0.000000 c : 0x80cf088 60 : <1> calling fw at 1:0, prio 0x00010000
0.000000 c : 0x80cf088 60 : <1> fw at 1:0 returns OK (0) (0:200, 0x0)
0.000000 e : 0x80cf088 60 : <0> htb (1:0) returns SUCCESS (0)
0.000005 d : 0x0 0 : <0> calling htb (1:0)
0.000005 d : 0x80cf088 60 : <0> htb (1:0)
0.000005 D : 0x80cf088 60 : eth0: 4500003c 00000000 40060000 0a000001
121a006b 45000000 00000000 40060000 0a000001 121a006b 00000000 00000000
00000000 50000000 00000000
0.000010 d : 0x0 0 : <0> calling htb (1:0)
0.000010 d : 0x0 0 : <0> htb (1:0)
0.000010 d : 0x0 0 : <0> calling htb (1:0)
0.000010 d : 0x0 0 : <0> htb (1:0)
1.000000 d : 0x0 0 : <0> calling htb (1:0)
1.000000 d : 0x0 0 : <0> htb (1:0)
1.000000 d : 0x0 0 : <0> calling htb (1:0)
1.000000 d : 0x0 0 : <0> htb (1:0)
1.000000 d : 0x0 0 : <0> calling htb (1:0)
1.000000 d : 0x0 0 : <0> htb (1:0)
10.000000 d : 0x0 0 : <0> calling htb (1:0)
10.000000 d : 0x0 0 : <0> htb (1:0)
10.000000 d : 0x0 0 : <0> calling htb (1:0)
10.000000 d : 0x0 0 : <0> htb (1:0)
3600.000000 d : 0x0 0 : <0> calling htb (1:0)
3600.000000 d : 0x0 0 : <0> htb (1:0)
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