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# do not select CBQ class 0 ---------------------------------------------------
sh -c 'ulimit -t 10; exec tcsim/tcsim -q 2>/dev/null'
#include "packet.def"
dev eth0
{
cbq (bandwidth 100Mbps, maxburst 5p, avpkt 1000B, allot 1500B) {
class (2, rate 10kbps, bounded)
if ip_dst == 10.0.0.0 && ip_tos!=0x10;
}
}
send IP_PCK($ip_src=10.0.0.0 $ip_tos=0x10)
EOF
# CBQ class 0 is substituted with "if" ----------------------------------------
tcc | sed '/.*classid /s///p;d'
cbq (bandwidth 100Mbps, maxburst 5p, avpkt 1000B, allot 1500B) {
class (0, rate 100Mbps, bounded)
if 1;
}
EOF
1:ffff
# CBQ class 0 is substituted with "if" (collision) ----------------------------
tcc | sed '/.*filter.*classid /s///p;d'
cbq (bandwidth 100Mbps, maxburst 5p, avpkt 1000B, allot 1500B) {
class (0, rate 100Mbps, bounded)
if 1
{
class (0xffff,rate 10Mbps);
}
}
EOF
1:fffe
# CBQ class 0 cannot be used with "fw" ----------------------------------------
tcc 2>&1 >/dev/null
cbq (bandwidth 100Mbps, maxburst 5p, avpkt 1000B, allot 1500B) {
class (0, rate 100Mbps, bounded)
on fw element (1);
}
EOF
ERROR
<stdin>:2: cannot substitute class ID 0 with this filter
# CBQ class 0 cannot be used with "route" -------------------------------------
tcc 2>&1 >/dev/null
cbq (bandwidth 100Mbps, maxburst 5p, avpkt 1000B, allot 1500B) {
class (0, rate 100Mbps, bounded)
on route element;
}
EOF
ERROR
<stdin>:2: cannot substitute class ID 0 with this filter
# CBQ class 0 cannot be used with "rsvp" -------------------------------------
tcc 2>&1 >/dev/null
cbq (bandwidth 100Mbps, maxburst 5p, avpkt 1000B, allot 1500B) {
class (0, rate 100Mbps, bounded)
on rsvp element (src 1.2.3.4,dst 5.6.7.8,ipproto "tcp");
}
EOF
ERROR
<stdin>:2: cannot substitute class ID 0 with this filter
# CBQ class 0 cannot be used with "tcindex" -----------------------------------
tcc 2>&1 >/dev/null
cbq (bandwidth 100Mbps, maxburst 5p, avpkt 1000B, allot 1500B) {
class (0, rate 100Mbps, bounded)
on tcindex element (0);
}
EOF
ERROR
<stdin>:2: cannot substitute class ID 0 with this filter
# non-zero CBQ classes are not substituted ------------------------------------
tcc | sed '/.*filter.*classid /s///p;d'
cbq (bandwidth 100Mbps, maxburst 5p, avpkt 1000B, allot 1500B) {
class (1, rate 100Mbps, bounded)
on fw element (1);
}
EOF
1:1
|
