diff options
Diffstat (limited to 'scripts/stl/pcap_with_vm.py')
-rw-r--r-- | scripts/stl/pcap_with_vm.py | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/scripts/stl/pcap_with_vm.py b/scripts/stl/pcap_with_vm.py new file mode 100644 index 00000000..4e85bdf4 --- /dev/null +++ b/scripts/stl/pcap_with_vm.py @@ -0,0 +1,57 @@ +import os +from trex_stl_lib.api import * + +# PCAP profile +class STLPcap(object): + + def __init__ (self, pcap_file): + self.pcap_file = pcap_file + + def create_vm (self, ip_src_range, ip_dst_range): + if not ip_src_range and not ip_dst_range: + return None + + vm = [] + + if ip_src_range: + vm += [STLVmFlowVar(name="src", min_value = ip_src_range['start'], max_value = ip_src_range['end'], size = 4, op = "inc"), + STLVmWrFlowVar(fv_name="src",pkt_offset= "IP.src") + ] + + if ip_dst_range: + vm += [STLVmFlowVar(name="dst", min_value = ip_dst_range['start'], max_value = ip_dst_range['end'], size = 4, op = "inc"), + STLVmWrFlowVar(fv_name="dst",pkt_offset = 30) + ] + + vm += [STLVmFixIpv4(offset = "IP") + ] + + return vm + + + def get_streams (self, + direction = 0, + ipg_usec = 10.0, + loop_count = 5, + ip_src_range = None, + ip_dst_range = {'start' : '16.0.0.1', 'end': '16.0.0.254'}, + **kwargs): + + vm = self.create_vm(ip_src_range, ip_dst_range) + + profile = STLProfile.load_pcap(self.pcap_file, + ipg_usec = ipg_usec, + loop_count = loop_count, + vm = vm) + + return profile.get_streams() + + + +# dynamic load - used for trex console or simulator +def register(): + # get file relative to profile dir + return STLPcap(os.path.join(os.path.dirname(__file__), 'sample.pcap')) + + + |