# tcp dport 22 iiftype ether ether saddr 00:0f:54:0c:11:4 accept
ip test-ip4 input
  [ meta load l4proto => reg 1 ]
  [ cmp eq reg 1 0x00000006 ]
  [ payload load 2b @ transport header + 2 => reg 1 ]
  [ cmp eq reg 1 0x00001600 ]
  [ meta load iiftype => reg 1 ]
  [ cmp eq reg 1 0x00000001 ]
  [ payload load 6b @ link header + 6 => reg 1 ]
  [ cmp eq reg 1 0x0c540f00 0x00000411 ]
  [ immediate reg 0 accept ]

# tcp dport 22 ether saddr 00:0f:54:0c:11:04 accept
ip test-ip4 input
  [ meta load l4proto => reg 1 ]
  [ cmp eq reg 1 0x00000006 ]
  [ payload load 2b @ transport header + 2 => reg 1 ]
  [ cmp eq reg 1 0x00001600 ]
  [ meta load iiftype => reg 1 ]
  [ cmp eq reg 1 0x00000001 ]
  [ payload load 6b @ link header + 6 => reg 1 ]
  [ cmp eq reg 1 0x0c540f00 0x00000411 ]
  [ immediate reg 0 accept ]

# ether saddr 00:0f:54:0c:11:04 accept
ip test-ip4 input
  [ meta load iiftype => reg 1 ]
  [ cmp eq reg 1 0x00000001 ]
  [ payload load 6b @ link header + 6 => reg 1 ]
  [ cmp eq reg 1 0x0c540f00 0x00000411 ]
  [ immediate reg 0 accept ]

# vlan id 1
ip test-ip4 input
  [ meta load iiftype => reg 1 ]
  [ cmp eq reg 1 0x00000001 ]
  [ payload load 2b @ link header + 12 => reg 1 ]
  [ cmp eq reg 1 0x00000081 ]
  [ payload load 2b @ link header + 14 => reg 1 ]
  [ bitwise reg 1 = ( reg 1 & 0x0000ff0f ) ^ 0x00000000 ]
  [ cmp eq reg 1 0x00000100 ]

# ether type vlan vlan id 2
ip test-ip4 input
  [ meta load iiftype => reg 1 ]
  [ cmp eq reg 1 0x00000001 ]
  [ payload load 2b @ link header + 12 => reg 1 ]
  [ cmp eq reg 1 0x00000081 ]
  [ payload load 2b @ link header + 14 => reg 1 ]
  [ bitwise reg 1 = ( reg 1 & 0x0000ff0f ) ^ 0x00000000 ]
  [ cmp eq reg 1 0x00000200 ]