How to reproduce:
cd master-thesis/p4app
sudo p4run --config bug2-cast-in-checksum.json
Result:
...
*** Starting 2 switches
s1 Starting P4 switch s1.
simple_switch -i 1@s1-eth1 -i 2@s1-eth2 -i 3@s1-eth3 -i 4@s1-eth4 -i 5@s1-cpu-eth0 --pcap=/home/p4/master-thesis/p4app/pcap --thrift-port 9090 --nanolog ipc:///tmp/bm-1-log.ipc --device-id 1 ../p4debug/bug2-cast-in-checksum/static-mapping.json --log-console >/home/p4/master-thesis/p4app/log/s1.log
Logfile:
p4@ubuntu:~/master-thesis/p4app$ cat /home/p4/master-thesis/p4app/log/s1.log
Warning: you requested the nanomsg event logger, but bmv2 was compiled without -DBMELOG, and the event logger cannot be activated
Calling target program-options parser
Unsupported input type 'expression' for calculation 'calc'
bad json:
{
"type" : "expression",
"value" : {
"left" : {
"type" : "field",
"value" : [ "ipv6", "payload_length" ]
},
"op" : "&",
"right" : {
"bitwidth" : 32,
"type" : "hexstr",
"value" : "0xffffffff"
}
}
}
p4@ubuntu:~/master-thesis/p4app$