# tcp dport 22 iiftype ether ether saddr 00:0f:54:0c:11:4 meta nfproto ipv4 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 ]

  [ meta load nfproto => reg 1 ]

  [ cmp eq reg 1 0x00000002 ]

  [ immediate reg 0 accept ]

# 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 ]

# ether saddr 00:0f:54:0c:11:04 meta nfproto ipv4

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 ]

  [ meta load nfproto => reg 1 ]

  [ cmp eq reg 1 0x00000002 ]