\
_ (NONE, "valid ip4 packets") \
\
\
_ (TOO_SHORT, "ip4 length < 20 bytes") \
_ (BAD_LENGTH, "ip4 length > l2 length") \
_ (BAD_CHECKSUM, "bad ip4 checksum") \
_ (VERSION, "ip4 version != 4") \
_ (OPTIONS, "ip4 options present") \
_ (FRAGMENT_OFFSET_ONE, "ip4 fragment offset == 1") \
_ (TIME_EXPIRED, "ip4 ttl <= 1") \
\
\
_ (MTU_EXCEEDED, "ip4 MTU exceeded and DF set") \
_ (DST_LOOKUP_MISS, "ip4 destination lookup miss") \
_ (SRC_LOOKUP_MISS, "ip4 source lookup miss") \
_ (PUNT, "ip4 punt") \
_ (SAME_INTERFACE, "ip4 egress interface same as ingress") \
\
\
_ (UNKNOWN_PROTOCOL, "unknown ip protocol") \
_ (TCP_CHECKSUM, "bad tcp checksum") \
_ (UDP_CHECKSUM, "bad udp checksum") \
_ (UDP_LENGTH, "inconsistent udp/ip lengths") \
\
\
_ (UNICAST_SOURCE_CHECK_FAILS, "ip4 unicast source check fails") \
\
\
_ (SPOOFED_LOCAL_PACKETS, "ip4 spoofed local-address packet drops") \
\
\
_ (INACL_TABLE_MISS, "input ACL table-miss drops") \
_ (INACL_SESSION_DENY, "input ACL session deny drops") \
\
_ (OUTACL_TABLE_MISS, "output ACL table-miss drops") \
_ (OUTACL_SESSION_DENY, "output ACL session deny drops") \
\
\
_ (RPF_FAILURE, "Multicast RPF check failed") \
\
\
_ (REASS_DUPLICATE_FRAGMENT, "duplicate/overlapping fragments") \
_ (REASS_LIMIT_REACHED, "drops due to concurrent reassemblies limit") \
_ (REASS_FRAGMENT_CHAIN_TOO_LONG, "fragment chain too long (drop)") \
_ (REASS_NO_BUF, "out of buffers (drop)") \
_ (REASS_MALFORMED_PACKET, "malformed packets") \
_ (REASS_INTERNAL_ERROR, "drops due to internal reassembly error") \
_ (REASS_UNSUPP_IP_PROT, "unsupported ip protocol")