Add packet parsing/matching verification
New tests that deal with parsing and matching of valid and
corrupted packets. Current coverage includes corrupted IP
and TCP headers, valid and corrupted LLC (with and without
SNAP), basic ARP and basic VLAN.
diff --git a/src/python/oftest/testutils.py b/src/python/oftest/testutils.py
index 3be9c32..53c18fe 100644
--- a/src/python/oftest/testutils.py
+++ b/src/python/oftest/testutils.py
@@ -64,7 +64,9 @@
ip_dst='192.168.0.2',
ip_tos=0,
tcp_sport=1234,
- tcp_dport=80
+ tcp_dport=80,
+ ip_ihl=None,
+ ip_options=False
):
"""
Return a simple dataplane TCP packet
@@ -94,14 +96,22 @@
if (dl_vlan_enable):
pkt = scapy.Ether(dst=dl_dst, src=dl_src)/ \
scapy.Dot1Q(prio=dl_vlan_pcp, id=dl_vlan_cfi, vlan=dl_vlan)/ \
- scapy.IP(src=ip_src, dst=ip_dst, tos=ip_tos)/ \
+ scapy.IP(src=ip_src, dst=ip_dst, tos=ip_tos, ihl=ip_ihl)/ \
scapy.TCP(sport=tcp_sport, dport=tcp_dport)
else:
- pkt = scapy.Ether(dst=dl_dst, src=dl_src)/ \
- scapy.IP(src=ip_src, dst=ip_dst, tos=ip_tos)/ \
- scapy.TCP(sport=tcp_sport, dport=tcp_dport)
+ if not ip_options:
+ pkt = scapy.Ether(dst=dl_dst, src=dl_src)/ \
+ scapy.IP(src=ip_src, dst=ip_dst, tos=ip_tos, ihl=ip_ihl)/ \
+ scapy.TCP(sport=tcp_sport, dport=tcp_dport)
+ else:
+ pkt = scapy.Ether(dst=dl_dst, src=dl_src)/ \
+ scapy.IP(src=ip_src, dst=ip_dst, tos=ip_tos, ihl=ip_ihl, options=ip_options)/ \
+ scapy.TCP(sport=tcp_sport, dport=tcp_dport)
pkt = pkt/("D" * (pktlen - len(pkt)))
+
+ #print pkt.show()
+ #print scapy.Ether(str(pkt)).show()
return pkt