- if tx_if == rx_if:
- ether = rxq.recv(2, ignore=sent_packets)
- else:
- ether = rxq.recv(2)
-
- if ether is None:
- raise RuntimeError(u"ICMP echo Rx timeout")
+ while True:
+ if tx_if == rx_if:
+ ether = rxq.recv(2, ignore=sent_packets)
+ else:
+ ether = rxq.recv(2)
+
+ if ether is None:
+ raise RuntimeError(u"ICMP echo Rx timeout")
+
+ if ether.haslayer(ICMPv6ND_NS):
+ # read another packet in the queue if the current one is ICMPv6ND_NS
+ continue
+ if ether.haslayer(ICMPv6ND_RA):
+ # read another packet in the queue if the current one is ICMPv6ND_RA
+ continue
+ elif ether.haslayer(ICMPv6MLReport2):
+ # read another packet in the queue if the current one is
+ # ICMPv6MLReport2
+ continue
+
+ # otherwise process the current packet
+ break