diff options
Diffstat (limited to 'resources/traffic_scripts')
| -rwxr-xr-x | resources/traffic_scripts/send_icmp_check_headers.py | 104 |
1 files changed, 71 insertions, 33 deletions
diff --git a/resources/traffic_scripts/send_icmp_check_headers.py b/resources/traffic_scripts/send_icmp_check_headers.py index 7450bd18e3..c9e3a35df4 100755 --- a/resources/traffic_scripts/send_icmp_check_headers.py +++ b/resources/traffic_scripts/send_icmp_check_headers.py @@ -18,13 +18,13 @@ MAC addresses are checked in received packet. """ import sys -import ipaddress +import ipaddress +from robot.api import logger from scapy.layers.inet import ICMP, IP -from scapy.layers.inet6 import IPv6 -from scapy.all import Ether from scapy.layers.inet6 import ICMPv6EchoRequest -from robot.api import logger +from scapy.layers.inet6 import IPv6 +from scapy.layers.l2 import Ether, Dot1Q from resources.libraries.python.PacketVerifier import RxQueue, TxQueue from resources.libraries.python.TrafficScriptArg import TrafficScriptArg @@ -50,57 +50,95 @@ def main(): """Send IP ICMP packet from one traffic generator interface to the other.""" args = TrafficScriptArg( ['tg_src_mac', 'tg_dst_mac', 'src_ip', 'dst_ip', 'dut_if1_mac', - 'dut_if2_mac']) - - src_mac = args.get_arg('tg_src_mac') - dst_mac = args.get_arg('tg_dst_mac') - dut1_if1_mac = args.get_arg('dut_if1_mac') - dut1_if2_mac = args.get_arg('dut_if2_mac') + 'dut_if2_mac'], + ['encaps_tx', 'vlan_tx', 'vlan_outer_tx', + 'encaps_rx', 'vlan_rx', 'vlan_outer_rx']) + + tx_src_mac = args.get_arg('tg_src_mac') + tx_dst_mac = args.get_arg('dut_if1_mac') + rx_dst_mac = args.get_arg('tg_dst_mac') + rx_src_mac = args.get_arg('dut_if2_mac') src_ip = args.get_arg('src_ip') dst_ip = args.get_arg('dst_ip') tx_if = args.get_arg('tx_if') rx_if = args.get_arg('rx_if') + encaps_tx = args.get_arg('encaps_tx') + vlan_tx = args.get_arg('vlan_tx') + vlan_outer_tx = args.get_arg('vlan_outer_tx') + encaps_rx = args.get_arg('encaps_rx') + vlan_rx = args.get_arg('vlan_rx') + vlan_outer_rx = args.get_arg('vlan_outer_rx') + rxq = RxQueue(rx_if) txq = TxQueue(tx_if) sent_packets = [] ip_format = '' - pkt_raw = '' + pkt_raw = Ether(src=tx_src_mac, dst=tx_dst_mac) + if encaps_tx == 'Dot1q': + pkt_raw /= Dot1Q(vlan=int(vlan_tx)) + elif encaps_tx == 'Dot1ad': + pkt_raw.type = 0x88a8 + pkt_raw /= Dot1Q(vlan=vlan_outer_tx) + pkt_raw /= Dot1Q(vlan=vlan_tx) if valid_ipv4(src_ip) and valid_ipv4(dst_ip): - pkt_raw = (Ether(src=src_mac, dst=dut1_if1_mac) / - IP(src=src_ip, dst=dst_ip) / - ICMP()) - ip_format = 'IP' + pkt_raw /= IP(src=src_ip, dst=dst_ip) + pkt_raw /= ICMP() + ip_format = IP elif valid_ipv6(src_ip) and valid_ipv6(dst_ip): - pkt_raw = (Ether(src=src_mac, dst=dut1_if1_mac) / - IPv6(src=src_ip, dst=dst_ip) / - ICMPv6EchoRequest()) - ip_format = 'IPv6' + pkt_raw /= IPv6(src=src_ip, dst=dst_ip) + pkt_raw /= ICMPv6EchoRequest() + ip_format = IPv6 else: raise ValueError("IP not in correct format") sent_packets.append(pkt_raw) txq.send(pkt_raw) - ether = rxq.recv(2) + if tx_if == rx_if: + ether = rxq.recv(2, ignore=sent_packets) + else: + ether = rxq.recv(2) if ether is None: raise RuntimeError("ICMP echo Rx timeout") - if not ether.haslayer(ip_format): - raise RuntimeError("Not an IP packet received {0}" - .format(ether.__repr__())) - # Compare data from packets - if src_ip == ether[ip_format].src and dst_ip == ether[ip_format].dst: - logger.trace("IP matched") - if dst_mac == ether['Ethernet'].dst and \ - dut1_if2_mac == ether['Ethernet'].src: - logger.trace("MAC matched") + if rx_dst_mac == ether[Ether].dst and rx_src_mac == ether[Ether].src: + logger.trace("MAC matched") + else: + raise RuntimeError( + "Matching packet unsuccessful: {0}".format(ether.__repr__())) + + if encaps_rx == 'Dot1q': + if ether[Dot1Q].vlan == int(vlan_rx): + logger.trace("VLAN matched") else: - raise RuntimeError("Matching packet unsuccessful: {0}" - .format(ether.__repr__())) + raise RuntimeError('Ethernet frame with wrong VLAN tag ({}-' + 'received, {}-expected):\n{}' + .format(ether[Dot1Q].vlan, vlan_rx, + ether.__repr__())) + ip = ether[Dot1Q].payload + elif encaps_rx == 'Dot1ad': + raise NotImplementedError() else: - raise RuntimeError("Matching packet unsuccessful: {0}" - .format(ether.__repr__())) + ip = ether.payload + + if not isinstance(ip, ip_format): + raise RuntimeError( + "Not an IP packet received {0}".format(ip.__repr__())) + + # Compare data from packets + if src_ip == ip.src: + logger.trace("Src IP matched") + else: + raise RuntimeError("Matching Src IP unsuccessful: {} != {}" + .format(src_ip, ip.src)) + + if dst_ip == ip.dst: + logger.trace("Dst IP matched") + else: + raise RuntimeError("Matching Dst IP unsuccessful: {} != {}" + .format(dst_ip, ip.dst)) + sys.exit(0) |