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# "if" test using "external" target -------------------------------------------
LD_LIBRARY_PATH=. PATH=$PATH:tcc/ext \
tcsim -v -Xc,-xif:test | sed '/.* c .*returns /s///p;d'
dev eth0 {
prio {
class if raw[0] == 42;
}
}
send 00 01 02 03
send 0x2a 01 02 03
EOF
UNSPEC (-1)
OK (0) (1:1, 0x0)
# idem, with offsets ----------------------------------------------------------
LD_LIBRARY_PATH=. PATH=$PATH:tcc/ext \
tcsim -n -v -Xc,-xif:test | sed '/.* c .*returns /s///p;d'
#include "ip.def"
dev eth0 {
#include "fields.tc"
prio {
class if udp_dport == PORT_DOMAIN;
}
}
send UDP_PCK($src=10.0.0.1 $dst=10.0.0.2 $sport=PORT_USER $dport=PORT_USER)
send UDP_PCK($src=10.0.0.1 $dst=10.0.0.2 $sport=PORT_USER $dport=PORT_DOMAIN)
send TCP_PCK($src=10.0.0.1 $dst=10.0.0.2 $sport=PORT_USER $dport=PORT_DOMAIN)
EOF
UNSPEC (-1)
OK (0) (1:1, 0x0)
UNSPEC (-1)
# idem, comparing all three classifiers ---------------------------------------
trinity -v
#define PORT_USER 0x1234
dev eth0 {
prio {
class if udp_dport == PORT_DOMAIN;
}
}
send UDP_PCK($udp_sport=PORT_USER $udp_dport=PORT_USER)
send UDP_PCK($udp_sport=PORT_USER $udp_dport=PORT_DOMAIN)
send TCP_PCK($udp_sport=PORT_USER $udp_dport=PORT_DOMAIN)
EOF
UNSPEC (-1)
OK (0) (1:1)
UNSPEC (-1)
# "external" eliminates redundant bits ----------------------------------------
tcc -xif:err 2>&1 | sed '/^match/s/ action.*//p;d'
prio {
class if raw[0] == 5 && raw[0].ns == 0x501;
}
EOF
match 0:0:16=0x0501
match
# "external" sorts bits -------------------------------------------------------
tcc -xif:err 2>&1 | sed '/^match/s/ action.*//p;d'
prio {
class if raw[2] == 1 && raw[0] == 2;
}
EOF
match 0:0:8=0x02 0:16:8=0x01
match
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