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### Single stream UDP packet, 64B ###
#####################################
- name: udp_64B
stream:
self_start: True
packet:
binary: stl/syn_packet.pcap # pcap should not include CRC
mode:
type: continuous
pps: 100
rx_stats: []
# program generate 4 random numbers and write them to ip.src/ip.dst/tcp.src_port/tcp.dest_port
vm:
instructions: [
#define 4 bytes random ip_src
{ "type" : "flow_var", # name of the command
"name" : "ip_src",
"op" : "random",
"init_value" : 0,
"min_value" : 1,
"max_value" : 1000000, # max ip 16.0.0.254
"size" : 4
},
{ "type" : "flow_var",
"name" : "ip_dst",
"op" : "random",
"init_value" : 0,
"min_value" : 1,
"max_value" : 1000000,
"size" : 4
},
{ "type" : "flow_var", # name of the command
"name" : "port_src",
"op" : "random",
"init_value" : 0,
"min_value" : 1025,
"max_value" : 65000,
"size" : 2 #size in bytes
},
{ "type" : "flow_var", # name of the command
"name" : "port_dst",
"op" : "random",
"init_value" : 0,
"min_value" : 1025,
"max_value" : 65000,
"size" : 2 #size in bytes
},
{
"type" : "write_flow_var", # command name
"name" : "ip_src", # varible to write
"add_value" : 0x10000000, # 16.0.0.0 is src base
"is_big_endian" : true, # write as big edian
"pkt_offset" : 26, # write tuple_gen.port into udp.src_port
},
{
"type" : "write_flow_var", # command name
"name" : "ip_dst", # varible to write
"add_value" : 0x40000000, # 16.0.0.0 is src base
"is_big_endian" : true, # write as big edian
"pkt_offset" : 30, # write tuple_gen.port into udp.src_port
},
{
"type" : "fix_checksum_ipv4", # fix ipv4 header checksum
"pkt_offset" : 14, # offset of ipv4 header
},
{
"type" : "write_flow_var", # command name
"name" : "port_src", # varible to write
"add_value" : 0, # 16.0.0.0 is src base
"is_big_endian" : true, # write as big edian
"pkt_offset" : 34, # write tuple_gen.port into udp.src_port
},
{
"type" : "write_flow_var", # command name
"name" : "port_dst", # varible to write
"add_value" : 0,
"is_big_endian" : true, # write as big edian
"pkt_offset" : 36, # write tuple_gen.port into udp.src_port
}
]
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