diff options
Diffstat (limited to 'VNFs/DPPD-PROX/helper-scripts/rapid/rapid_generator_machine.py')
| -rw-r--r-- | VNFs/DPPD-PROX/helper-scripts/rapid/rapid_generator_machine.py | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/VNFs/DPPD-PROX/helper-scripts/rapid/rapid_generator_machine.py b/VNFs/DPPD-PROX/helper-scripts/rapid/rapid_generator_machine.py index 553907b0..2a5b51c4 100644 --- a/VNFs/DPPD-PROX/helper-scripts/rapid/rapid_generator_machine.py +++ b/VNFs/DPPD-PROX/helper-scripts/rapid/rapid_generator_machine.py @@ -78,15 +78,15 @@ class RapidGeneratorMachine(RapidMachine): speed_per_gen_core = speed / len(self.machine_params['gencores']) self.socket.speed(speed_per_gen_core, self.machine_params['gencores']) - def set_udp_packet_size(self, size): + def set_udp_packet_size(self, frame_size): # We should check the gen.cfg to make sure we only send UDP packets - # Frame size is PROX pkt size + 4 bytes CRC - # PROX "pkt_size" i.e. 14-bytes L2 frame header + VLAN 4 bytes header + IP packet size - self.socket.set_size(self.machine_params['gencores'], 0, size) + # Frame size = PROX pkt size + 4 bytes CRC + # The set_size function takes the PROX packet size as a parameter + self.socket.set_size(self.machine_params['gencores'], 0, frame_size - 4) # 18 is the difference between the frame size and IP size = size of (MAC addresses, ethertype and FCS) - self.socket.set_value(self.machine_params['gencores'], 0, 16, size-18, 2) + self.socket.set_value(self.machine_params['gencores'], 0, 16, frame_size-18, 2) # 38 is the difference between the frame size and UDP size = 18 + size of IP header (=20) - self.socket.set_value(self.machine_params['gencores'], 0, 38, size-38, 2) + self.socket.set_value(self.machine_params['gencores'], 0, 38, frame_size-38, 2) def set_flows(self, number_of_flows): source_port,destination_port = RandomPortBits.get_bitmap(number_of_flows) |