# ip protocol icmp icmp type echo-request
inet test-inet input
  [ meta load nfproto => reg 1 ]
  [ cmp eq reg 1 0x00000002 ]
  [ payload load 1b @ network header + 9 => reg 1 ]
  [ cmp eq reg 1 0x00000001 ]
  [ payload load 1b @ transport header + 0 => reg 1 ]
  [ cmp eq reg 1 0x00000008 ]

# icmp type echo-request
inet test-inet input
  [ meta load nfproto => reg 1 ]
  [ cmp eq reg 1 0x00000002 ]
  [ meta load l4proto => reg 1 ]
  [ cmp eq reg 1 0x00000001 ]
  [ payload load 1b @ transport header + 0 => reg 1 ]
  [ cmp eq reg 1 0x00000008 ]

# ip6 nexthdr icmpv6 icmpv6 type echo-request
inet test-inet input
  [ meta load nfproto => reg 1 ]
  [ cmp eq reg 1 0x0000000a ]
  [ payload load 1b @ network header + 6 => reg 1 ]
  [ cmp eq reg 1 0x0000003a ]
  [ payload load 1b @ transport header + 0 => reg 1 ]
  [ cmp eq reg 1 0x00000080 ]

# icmpv6 type echo-request
inet test-inet input
  [ meta load nfproto => reg 1 ]
  [ cmp eq reg 1 0x0000000a ]
  [ meta load l4proto => reg 1 ]
  [ cmp eq reg 1 0x0000003a ]
  [ payload load 1b @ transport header + 0 => reg 1 ]
  [ cmp eq reg 1 0x00000080 ]

# ip protocol ipv6-icmp meta l4proto ipv6-icmp icmpv6 type 1
inet filter input
  [ meta load nfproto => reg 1 ]
  [ cmp eq reg 1 0x00000002 ]
  [ payload load 1b @ network header + 9 => reg 1 ]
  [ cmp eq reg 1 0x0000003a ]
  [ meta load l4proto => reg 1 ]
  [ cmp eq reg 1 0x0000003a ]
  [ payload load 1b @ transport header + 0 => reg 1 ]
  [ cmp eq reg 1 0x00000001 ]