# ip dscp cs1
ip test-ip4 input
  [ payload load 1b @ network header + 1 => reg 1 ]
  [ bitwise reg 1 = (reg=1 & 0x000000fc ) ^ 0x00000000 ]
  [ cmp eq reg 1 0x00000020 ]

# ip dscp != cs1
ip test-ip4 input
  [ payload load 1b @ network header + 1 => reg 1 ]
  [ bitwise reg 1 = (reg=1 & 0x000000fc ) ^ 0x00000000 ]
  [ cmp neq reg 1 0x00000020 ]

# ip dscp 0x38
ip test-ip4 input
  [ payload load 1b @ network header + 1 => reg 1 ]
  [ bitwise reg 1 = (reg=1 & 0x000000fc ) ^ 0x00000000 ]
  [ cmp eq reg 1 0x000000e0 ]

# ip dscp != 0x20
ip test-ip4 input
  [ payload load 1b @ network header + 1 => reg 1 ]
  [ bitwise reg 1 = (reg=1 & 0x000000fc ) ^ 0x00000000 ]
  [ cmp neq reg 1 0x00000080 ]

# ip dscp {cs0, cs1, cs2, cs3, cs4, cs5, cs6, cs7, af11, af12, af13, af21, af22, af23, af31, af32, af33, af41, af42, af43, ef}
__set%d test-ip4 3
__set%d test-ip4 0
        element 00000020  : 0 [end]     element 00000040  : 0 [end]     element 00000060  : 0 [end]     element 00000080  : 0 [end]    element 000000a0  : 0 [end]      element 000000c0  : 0 [end]     element 000000e0  : 0 [end]     element 00000000  : 0 [end]     element 00000028  : 0 [end]     element 00000030  : 0 [end]     element 00000038  : 0 [end]     element 00000048  : 0 [end]     element 00000050  : 0 [end]     element 00000058  : 0 [end]     element 00000068  : 0 [end]     element 00000070  : 0 [end]     element 00000078  : 0 [end]     element 00000088  : 0 [end]     element 00000090  : 0 [end]     element 00000098  : 0 [end]     element 000000b8  : 0 [end]
ip test-ip4 input
  [ payload load 1b @ network header + 1 => reg 1 ]
  [ bitwise reg 1 = (reg=1 & 0x000000fc ) ^ 0x00000000 ]
  [ lookup reg 1 set __set%d ]

# ip dscp != {cs0, cs3}
__set%d test-ip4 3
__set%d test-ip4 0
        element 00000000  : 0 [end]     element 00000060  : 0 [end]
ip test-ip4 input
  [ payload load 1b @ network header + 1 => reg 1 ]
  [ bitwise reg 1 = (reg=1 & 0x000000fc ) ^ 0x00000000 ]
  [ lookup reg 1 set __set%d 0x1 ]

# ip dscp vmap { cs1 : continue , cs4 : accept } counter
__map%d test-ip4 b size 2
__map%d test-ip4 0
	element 00000020  : 0 [end]	element 00000080  : 0 [end]
ip test-ip4 input 
  [ payload load 1b @ network header + 1 => reg 1 ]
  [ bitwise reg 1 = (reg=1 & 0x000000fc ) ^ 0x00000000 ]
  [ lookup reg 1 set __map%d dreg 0 ]
  [ counter pkts 0 bytes 0 ]

# ip length 232
ip test-ip4 input
  [ payload load 2b @ network header + 2 => reg 1 ]
  [ cmp eq reg 1 0x0000e800 ]

# ip length != 233
ip test-ip4 input
  [ payload load 2b @ network header + 2 => reg 1 ]
  [ cmp neq reg 1 0x0000e900 ]

# ip length 333-435
ip test-ip4 input
  [ payload load 2b @ network header + 2 => reg 1 ]
  [ cmp gte reg 1 0x00004d01 ]
  [ cmp lte reg 1 0x0000b301 ]

# ip length != 333-453
ip test-ip4 input
  [ payload load 2b @ network header + 2 => reg 1 ]
  [ range neq reg 1 0x00004d01 0x0000c501 ]

# ip length { 333, 553, 673, 838}
__set%d test-ip4 3
__set%d test-ip4 0
	element 00004d01  : 0 [end]	element 00002902  : 0 [end]	element 0000a102  : 0 [end]	element 00004603  : 0 [end]
ip test-ip4 input
  [ payload load 2b @ network header + 2 => reg 1 ]
  [ lookup reg 1 set __set%d ]

# ip length != { 333, 553, 673, 838}
__set%d test-ip4 3
__set%d test-ip4 0
	element 00004d01  : 0 [end]	element 00002902  : 0 [end]	element 0000a102  : 0 [end]	element 00004603  : 0 [end]
ip test-ip4 input
  [ payload load 2b @ network header + 2 => reg 1 ]
  [ lookup reg 1 set __set%d 0x1 ]

# ip length { 333-535}
__set%d test-ip4 7
__set%d test-ip4 0
	element 00000000  : 1 [end]	element 00004d01  : 0 [end]	element 00001802  : 1 [end]
ip test-ip4 input
  [ payload load 2b @ network header + 2 => reg 1 ]
  [ lookup reg 1 set __set%d ]

# ip length != { 333-535}
__set%d test-ip4 7
__set%d test-ip4 0
	element 00000000  : 1 [end]	element 00004d01  : 0 [end]	element 00001802  : 1 [end]
ip test-ip4 input
  [ payload load 2b @ network header + 2 => reg 1 ]
  [ lookup reg 1 set __set%d 0x1 ]

# ip id 22
ip test-ip4 input
  [ payload load 2b @ network header + 4 => reg 1 ]
  [ cmp eq reg 1 0x00001600 ]

# ip id != 233
ip test-ip4 input
  [ payload load 2b @ network header + 4 => reg 1 ]
  [ cmp neq reg 1 0x0000e900 ]

# ip id 33-45
ip test-ip4 input
  [ payload load 2b @ network header + 4 => reg 1 ]
  [ cmp gte reg 1 0x00002100 ]
  [ cmp lte reg 1 0x00002d00 ]

# ip id != 33-45
ip test-ip4 input
  [ payload load 2b @ network header + 4 => reg 1 ]
  [ range neq reg 1 0x00002100 0x00002d00 ]

# ip id { 33, 55, 67, 88}
__set%d test-ip4 3
__set%d test-ip4 0
	element 00002100  : 0 [end]	element 00003700  : 0 [end]	element 00004300  : 0 [end]	element 00005800  : 0 [end]
ip test-ip4 input
  [ payload load 2b @ network header + 4 => reg 1 ]
  [ lookup reg 1 set __set%d ]

# ip id != { 33, 55, 67, 88}
__set%d test-ip4 3
__set%d test-ip4 0
	element 00002100  : 0 [end]	element 00003700  : 0 [end]	element 00004300  : 0 [end]	element 00005800  : 0 [end]
ip test-ip4 input
  [ payload load 2b @ network header + 4 => reg 1 ]
  [ lookup reg 1 set __set%d 0x1 ]

# ip id { 33-55}
__set%d test-ip4 7
__set%d test-ip4 0
	element 00000000  : 1 [end]	element 00002100  : 0 [end]	element 00003800  : 1 [end]
ip test-ip4 input
  [ payload load 2b @ network header + 4 => reg 1 ]
  [ lookup reg 1 set __set%d ]

# ip id != { 33-55}
__set%d test-ip4 7
__set%d test-ip4 0
	element 00000000  : 1 [end]	element 00002100  : 0 [end]	element 00003800  : 1 [end]
ip test-ip4 input
  [ payload load 2b @ network header + 4 => reg 1 ]
  [ lookup reg 1 set __set%d 0x1 ]

# ip frag-off 222 accept
ip test-ip4 input
  [ payload load 2b @ network header + 6 => reg 1 ]
  [ cmp eq reg 1 0x0000de00 ]
  [ immediate reg 0 accept ]

# ip frag-off != 233
ip test-ip4 input
  [ payload load 2b @ network header + 6 => reg 1 ]
  [ cmp neq reg 1 0x0000e900 ]

# ip frag-off 33-45
ip test-ip4 input
  [ payload load 2b @ network header + 6 => reg 1 ]
  [ cmp gte reg 1 0x00002100 ]
  [ cmp lte reg 1 0x00002d00 ]

# ip frag-off != 33-45
ip test-ip4 input
  [ payload load 2b @ network header + 6 => reg 1 ]
  [ range neq reg 1 0x00002100 0x00002d00 ]

# ip frag-off { 33, 55, 67, 88}
__set%d test-ip4 3
__set%d test-ip4 0
	element 00002100  : 0 [end]	element 00003700  : 0 [end]	element 00004300  : 0 [end]	element 00005800  : 0 [end]
ip test-ip4 input
  [ payload load 2b @ network header + 6 => reg 1 ]
  [ lookup reg 1 set __set%d ]

# ip frag-off != { 33, 55, 67, 88}
__set%d test-ip4 3
__set%d test-ip4 0
	element 00002100  : 0 [end]	element 00003700  : 0 [end]	element 00004300  : 0 [end]	element 00005800  : 0 [end]
ip test-ip4 input
  [ payload load 2b @ network header + 6 => reg 1 ]
  [ lookup reg 1 set __set%d 0x1 ]

# ip frag-off { 33-55}
__set%d test-ip4 7
__set%d test-ip4 0
	element 00000000  : 1 [end]	element 00002100  : 0 [end]	element 00003800  : 1 [end]
ip test-ip4 input
  [ payload load 2b @ network header + 6 => reg 1 ]
  [ lookup reg 1 set __set%d ]

# ip frag-off != { 33-55}
__set%d test-ip4 7
__set%d test-ip4 0
	element 00000000  : 1 [end]	element 00002100  : 0 [end]	element 00003800  : 1 [end]
ip test-ip4 input
  [ payload load 2b @ network header + 6 => reg 1 ]
  [ lookup reg 1 set __set%d 0x1 ]

# ip ttl 0 drop
ip test-ip4 input
  [ payload load 1b @ network header + 8 => reg 1 ]
  [ cmp eq reg 1 0x00000000 ]
  [ immediate reg 0 drop ]

# ip ttl 233
ip test-ip4 input
  [ payload load 1b @ network header + 8 => reg 1 ]
  [ cmp eq reg 1 0x000000e9 ]

# ip ttl 33-55
ip test-ip4 input
  [ payload load 1b @ network header + 8 => reg 1 ]
  [ cmp gte reg 1 0x00000021 ]
  [ cmp lte reg 1 0x00000037 ]

# ip ttl != 45-50
ip test-ip4 input
  [ payload load 1b @ network header + 8 => reg 1 ]
  [ range neq reg 1 0x0000002d 0x00000032 ]

# ip ttl {43, 53, 45 }
__set%d test-ip4 3
__set%d test-ip4 0
	element 0000002b  : 0 [end]	element 00000035  : 0 [end]	element 0000002d  : 0 [end]
ip test-ip4 input
  [ payload load 1b @ network header + 8 => reg 1 ]
  [ lookup reg 1 set __set%d ]

# ip ttl != {43, 53, 45 }
__set%d test-ip4 3
__set%d test-ip4 0
	element 0000002b  : 0 [end]	element 00000035  : 0 [end]	element 0000002d  : 0 [end]
ip test-ip4 input
  [ payload load 1b @ network header + 8 => reg 1 ]
  [ lookup reg 1 set __set%d 0x1 ]

# ip ttl { 33-55}
__set%d test-ip4 7
__set%d test-ip4 0
	element 00000000  : 1 [end]	element 00000021  : 0 [end]	element 00000038  : 1 [end]
ip test-ip4 input
  [ payload load 1b @ network header + 8 => reg 1 ]
  [ lookup reg 1 set __set%d ]

# ip ttl != { 33-55}
__set%d test-ip4 7
__set%d test-ip4 0
	element 00000000  : 1 [end]	element 00000021  : 0 [end]	element 00000038  : 1 [end]
ip test-ip4 input
  [ payload load 1b @ network header + 8 => reg 1 ]
  [ lookup reg 1 set __set%d 0x1 ]

# ip protocol tcp
ip test-ip4 input
  [ payload load 1b @ network header + 9 => reg 1 ]
  [ cmp eq reg 1 0x00000006 ]

# ip protocol != tcp
ip test-ip4 input
  [ payload load 1b @ network header + 9 => reg 1 ]
  [ cmp neq reg 1 0x00000006 ]

# ip protocol { icmp, esp, ah, comp, udp, udplite, tcp, dccp, sctp} accept
__set%d test-ip4 3
__set%d test-ip4 0
	element 00000001  : 0 [end]	element 00000032  : 0 [end]	element 00000033  : 0 [end]	element 0000006c  : 0 [end]	element 00000011  : 0 [end]	element 00000088  : 0 [end]	element 00000006  : 0 [end]	element 00000021  : 0 [end]	element 00000084  : 0 [end]
ip test-ip4 input
  [ payload load 1b @ network header + 9 => reg 1 ]
  [ lookup reg 1 set __set%d ]
  [ immediate reg 0 accept ]

# ip protocol != { icmp, esp, ah, comp, udp, udplite, tcp, dccp, sctp} accept
__set%d test-ip4 3
__set%d test-ip4 0
	element 00000001  : 0 [end]	element 00000032  : 0 [end]	element 00000033  : 0 [end]	element 0000006c  : 0 [end]	element 00000011  : 0 [end]	element 00000088  : 0 [end]	element 00000006  : 0 [end]	element 00000021  : 0 [end]	element 00000084  : 0 [end]
ip test-ip4 input
  [ payload load 1b @ network header + 9 => reg 1 ]
  [ lookup reg 1 set __set%d 0x1 ]
  [ immediate reg 0 accept ]

# ip protocol 255
ip test-ip4 input
  [ payload load 1b @ network header + 9 => reg 1 ]
  [ cmp eq reg 1 0x000000ff ]

# ip checksum 13172 drop
ip test-ip4 input
  [ payload load 2b @ network header + 10 => reg 1 ]
  [ cmp eq reg 1 0x00007433 ]
  [ immediate reg 0 drop ]

# ip checksum 22
ip test-ip4 input
  [ payload load 2b @ network header + 10 => reg 1 ]
  [ cmp eq reg 1 0x00001600 ]

# ip checksum != 233
ip test-ip4 input
  [ payload load 2b @ network header + 10 => reg 1 ]
  [ cmp neq reg 1 0x0000e900 ]

# ip checksum 33-45
ip test-ip4 input
  [ payload load 2b @ network header + 10 => reg 1 ]
  [ cmp gte reg 1 0x00002100 ]
  [ cmp lte reg 1 0x00002d00 ]

# ip checksum != 33-45
ip test-ip4 input
  [ payload load 2b @ network header + 10 => reg 1 ]
  [ range neq reg 1 0x00002100 0x00002d00 ]

# ip checksum { 33, 55, 67, 88}
__set%d test-ip4 3
__set%d test-ip4 0
	element 00002100  : 0 [end]	element 00003700  : 0 [end]	element 00004300  : 0 [end]	element 00005800  : 0 [end]
ip test-ip4 input
  [ payload load 2b @ network header + 10 => reg 1 ]
  [ lookup reg 1 set __set%d ]

# ip checksum != { 33, 55, 67, 88}
__set%d test-ip4 3
__set%d test-ip4 0
	element 00002100  : 0 [end]	element 00003700  : 0 [end]	element 00004300  : 0 [end]	element 00005800  : 0 [end]
ip test-ip4 input
  [ payload load 2b @ network header + 10 => reg 1 ]
  [ lookup reg 1 set __set%d 0x1 ]

# ip checksum { 33-55}
__set%d test-ip4 7
__set%d test-ip4 0
	element 00000000  : 1 [end]	element 00002100  : 0 [end]	element 00003800  : 1 [end]
ip test-ip4 input
  [ payload load 2b @ network header + 10 => reg 1 ]
  [ lookup reg 1 set __set%d ]

# ip checksum != { 33-55}
__set%d test-ip4 7
__set%d test-ip4 0
	element 00000000  : 1 [end]	element 00002100  : 0 [end]	element 00003800  : 1 [end]
ip test-ip4 input
  [ payload load 2b @ network header + 10 => reg 1 ]
  [ lookup reg 1 set __set%d 0x1 ]

# ip saddr 192.168.2.0/24
ip test-ip4 input
  [ payload load 4b @ network header + 12 => reg 1 ]
  [ bitwise reg 1 = (reg=1 & 0x00ffffff ) ^ 0x00000000 ]
  [ cmp eq reg 1 0x0002a8c0 ]

# ip saddr != 192.168.2.0/24
ip test-ip4 input
  [ payload load 4b @ network header + 12 => reg 1 ]
  [ bitwise reg 1 = (reg=1 & 0x00ffffff ) ^ 0x00000000 ]
  [ cmp neq reg 1 0x0002a8c0 ]

# ip saddr 192.168.3.1 ip daddr 192.168.3.100
ip test-ip4 input
  [ payload load 8b @ network header + 12 => reg 1 ]
  [ cmp eq reg 1 0x0103a8c0 0x6403a8c0 ]

# ip saddr != 1.1.1.1
ip test-ip4 input
  [ payload load 4b @ network header + 12 => reg 1 ]
  [ cmp neq reg 1 0x01010101 ]

# ip saddr 1.1.1.1
ip test-ip4 input
  [ payload load 4b @ network header + 12 => reg 1 ]
  [ cmp eq reg 1 0x01010101 ]

# ip daddr 192.168.0.1-192.168.0.250
ip test-ip4 input
  [ payload load 4b @ network header + 16 => reg 1 ]
  [ cmp gte reg 1 0x0100a8c0 ]
  [ cmp lte reg 1 0xfa00a8c0 ]

# ip daddr 10.0.0.0-10.255.255.255
ip test-ip4 input
  [ payload load 4b @ network header + 16 => reg 1 ]
  [ cmp gte reg 1 0x0000000a ]
  [ cmp lte reg 1 0xffffff0a ]

# ip daddr 172.16.0.0-172.31.255.255
ip test-ip4 input
  [ payload load 4b @ network header + 16 => reg 1 ]
  [ cmp gte reg 1 0x000010ac ]
  [ cmp lte reg 1 0xffff1fac ]

# ip daddr 192.168.3.1-192.168.4.250
ip test-ip4 input
  [ payload load 4b @ network header + 16 => reg 1 ]
  [ cmp gte reg 1 0x0103a8c0 ]
  [ cmp lte reg 1 0xfa04a8c0 ]

# ip daddr != 192.168.0.1-192.168.0.250
ip test-ip4 input
  [ payload load 4b @ network header + 16 => reg 1 ]
  [ range neq reg 1 0x0100a8c0 0xfa00a8c0 ]

# ip daddr { 192.168.0.1-192.168.0.250}
__set%d test-ip4 7
__set%d test-ip4 0
	element 00000000  : 1 [end]	element 0100a8c0  : 0 [end]	element fb00a8c0  : 1 [end]
ip test-ip4 input
  [ payload load 4b @ network header + 16 => reg 1 ]
  [ lookup reg 1 set __set%d ]

# ip daddr != { 192.168.0.1-192.168.0.250}
__set%d test-ip4 7
__set%d test-ip4 0
	element 00000000  : 1 [end]	element 0100a8c0  : 0 [end]	element fb00a8c0  : 1 [end]
ip test-ip4 input
  [ payload load 4b @ network header + 16 => reg 1 ]
  [ lookup reg 1 set __set%d 0x1 ]

# ip daddr { 192.168.5.1, 192.168.5.2, 192.168.5.3 } accept
__set%d test-ip4 3
__set%d test-ip4 0
	element 0105a8c0  : 0 [end]	element 0205a8c0  : 0 [end]	element 0305a8c0  : 0 [end]
ip test-ip4 input
  [ payload load 4b @ network header + 16 => reg 1 ]
  [ lookup reg 1 set __set%d ]
  [ immediate reg 0 accept ]

# ip daddr != { 192.168.5.1, 192.168.5.2, 192.168.5.3 } accept
__set%d test-ip4 3
__set%d test-ip4 0
	element 0105a8c0  : 0 [end]	element 0205a8c0  : 0 [end]	element 0305a8c0  : 0 [end]
ip test-ip4 input
  [ payload load 4b @ network header + 16 => reg 1 ]
  [ lookup reg 1 set __set%d 0x1 ]
  [ immediate reg 0 accept ]

# ip daddr 192.168.1.2-192.168.1.55
ip test-ip4 input
  [ payload load 4b @ network header + 16 => reg 1 ]
  [ cmp gte reg 1 0x0201a8c0 ]
  [ cmp lte reg 1 0x3701a8c0 ]

# ip daddr != 192.168.1.2-192.168.1.55
ip test-ip4 input
  [ payload load 4b @ network header + 16 => reg 1 ]
  [ range neq reg 1 0x0201a8c0 0x3701a8c0 ]

# ip saddr 192.168.1.3-192.168.33.55
ip test-ip4 input
  [ payload load 4b @ network header + 12 => reg 1 ]
  [ cmp gte reg 1 0x0301a8c0 ]
  [ cmp lte reg 1 0x3721a8c0 ]

# ip saddr != 192.168.1.3-192.168.33.55
ip test-ip4 input
  [ payload load 4b @ network header + 12 => reg 1 ]
  [ range neq reg 1 0x0301a8c0 0x3721a8c0 ]

# ip daddr 192.168.0.1
ip test-ip4 input
  [ payload load 4b @ network header + 16 => reg 1 ]
  [ cmp eq reg 1 0x0100a8c0 ]

# ip daddr 192.168.0.1 drop
ip test-ip4 input
  [ payload load 4b @ network header + 16 => reg 1 ]
  [ cmp eq reg 1 0x0100a8c0 ]
  [ immediate reg 0 drop ]

# ip daddr 192.168.0.2
ip test-ip4 input
  [ payload load 4b @ network header + 16 => reg 1 ]
  [ cmp eq reg 1 0x0200a8c0 ]

# ip saddr \& 0xff == 1
ip test-ip4 input
  [ payload load 4b @ network header + 12 => reg 1 ]
  [ bitwise reg 1 = (reg=1 & 0xff000000 ) ^ 0x00000000 ]
  [ cmp eq reg 1 0x01000000 ]

# ip saddr \& 0.0.0.255 \< 0.0.0.127
ip test-ip4 input
  [ payload load 4b @ network header + 12 => reg 1 ]
  [ bitwise reg 1 = (reg=1 & 0xff000000 ) ^ 0x00000000 ]
  [ cmp lt reg 1 0x7f000000 ]

# ip saddr \& 0xffff0000 == 0xffff0000
ip test-ip4 input
  [ payload load 4b @ network header + 12 => reg 1 ]
  [ bitwise reg 1 = (reg=1 & 0x0000ffff ) ^ 0x00000000 ]
  [ cmp eq reg 1 0x0000ffff ]

# ip saddr . ip daddr . ip protocol { 1.1.1.1 . 2.2.2.2 . tcp, 1.1.1.1 . 3.3.3.3 . udp}
__set%d test-ip 3
__set%d test-ip 0
	element 01010101 02020202 00000006  : 0 [end]   element 01010101 03030303 00000011  : 0 [end]
ip test-ip input
  [ payload load 4b @ network header + 12 => reg 1 ]
  [ payload load 4b @ network header + 16 => reg 9 ]
  [ payload load 1b @ network header + 9 => reg 10 ]
  [ lookup reg 1 set __set%d ]

# ip version 4 ip hdrlength 5
ip test-ip4 input
  [ payload load 1b @ network header + 0 => reg 1 ]
  [ bitwise reg 1 = (reg=1 & 0x000000f0 ) ^ 0x00000000 ]
  [ cmp eq reg 1 0x00000040 ]
  [ payload load 1b @ network header + 0 => reg 1 ]
  [ bitwise reg 1 = (reg=1 & 0x0000000f ) ^ 0x00000000 ]
  [ cmp eq reg 1 0x00000005 ]

# ip hdrlength 0
ip test-ip4 input
  [ payload load 1b @ network header + 0 => reg 1 ]
  [ bitwise reg 1 = (reg=1 & 0x0000000f ) ^ 0x00000000 ]
  [ cmp eq reg 1 0x00000000 ]

# ip hdrlength 15
ip test-ip4 input
  [ payload load 1b @ network header + 0 => reg 1 ]
  [ bitwise reg 1 = (reg=1 & 0x0000000f ) ^ 0x00000000 ]
  [ cmp eq reg 1 0x0000000f ]

# ip hdrlength vmap { 0-4 : drop, 5 : accept, 6 : continue } counter
__map%d test-ip4 f size 4
__map%d test-ip4 0
	element 00000000  : 0 [end]	element 00000005  : 0 [end]	element 00000006  : 0 [end]	element 00000007  : 1 [end]
ip test-ip4 input 
  [ payload load 1b @ network header + 0 => reg 1 ]
  [ bitwise reg 1 = (reg=1 & 0x0000000f ) ^ 0x00000000 ]
  [ lookup reg 1 set __map%d dreg 0 ]
  [ counter pkts 0 bytes 0 ]

# iif "lo" ip daddr set 127.0.0.1
ip test-ip4 input
  [ meta load iif => reg 1 ]
  [ cmp eq reg 1 0x00000001 ]
  [ immediate reg 1 0x0100007f ]
  [ payload write reg 1 => 4b @ network header + 16 csum_type 1 csum_off 10 csum_flags 0x1 ]

# iif "lo" ip checksum set 0
ip test-ip4 input
  [ meta load iif => reg 1 ]
  [ cmp eq reg 1 0x00000001 ]
  [ immediate reg 1 0x00000000 ]
  [ payload write reg 1 => 2b @ network header + 10 csum_type 1 csum_off 10 csum_flags 0x0 ]

# iif "lo" ip id set 0
ip test-ip4 input
  [ meta load iif => reg 1 ]
  [ cmp eq reg 1 0x00000001 ]
  [ immediate reg 1 0x00000000 ]
  [ payload write reg 1 => 2b @ network header + 4 csum_type 1 csum_off 10 csum_flags 0x0 ]

# iif "lo" ip ecn set 1
ip test-ip4 input
  [ meta load iif => reg 1 ]
  [ cmp eq reg 1 0x00000001 ]
  [ payload load 2b @ network header + 0 => reg 1 ]
  [ bitwise reg 1 = (reg=1 & 0x0000fcff ) ^ 0x00000100 ]
  [ payload write reg 1 => 2b @ network header + 0 csum_type 1 csum_off 10 csum_flags 0x0 ]

# iif "lo" ip ecn set ce
ip test-ip4 input
  [ meta load iif => reg 1 ]
  [ cmp eq reg 1 0x00000001 ]
  [ payload load 2b @ network header + 0 => reg 1 ]
  [ bitwise reg 1 = (reg=1 & 0x0000fcff ) ^ 0x00000300 ]
  [ payload write reg 1 => 2b @ network header + 0 csum_type 1 csum_off 10 csum_flags 0x0 ]

# iif "lo" ip dscp set af23
ip test-ip4 input
  [ meta load iif => reg 1 ]
  [ cmp eq reg 1 0x00000001 ]
  [ payload load 2b @ network header + 0 => reg 1 ]
  [ bitwise reg 1 = (reg=1 & 0x000003ff ) ^ 0x00005800 ]
  [ payload write reg 1 => 2b @ network header + 0 csum_type 1 csum_off 10 csum_flags 0x0 ]

# iif "lo" ip dscp set cs0
ip test-ip4 input
  [ meta load iif => reg 1 ]
  [ cmp eq reg 1 0x00000001 ]
  [ payload load 2b @ network header + 0 => reg 1 ]
  [ bitwise reg 1 = (reg=1 & 0x000003ff ) ^ 0x00000000 ]
  [ payload write reg 1 => 2b @ network header + 0 csum_type 1 csum_off 10 csum_flags 0x0 ]

# iif "lo" ip ttl set 23
ip test-ip4 input
  [ meta load iif => reg 1 ]
  [ cmp eq reg 1 0x00000001 ]
  [ payload load 2b @ network header + 8 => reg 1 ]
  [ bitwise reg 1 = (reg=1 & 0x0000ff00 ) ^ 0x00000017 ]
  [ payload write reg 1 => 2b @ network header + 8 csum_type 1 csum_off 10 csum_flags 0x0 ]

# iif "lo" ip protocol set 1
ip test-ip4 input
  [ meta load iif => reg 1 ]
  [ cmp eq reg 1 0x00000001 ]
  [ payload load 2b @ network header + 8 => reg 1 ]
  [ bitwise reg 1 = (reg=1 & 0x000000ff ) ^ 0x00000100 ]
  [ payload write reg 1 => 2b @ network header + 8 csum_type 1 csum_off 10 csum_flags 0x1 ]