# fib saddr . iif oif ne 0

ip test-ip prerouting

  [ fib saddr . iif oif => reg 1 ]

  [ cmp neq reg 1 0x00000000 ]

# fib saddr . iif oifname "lo"

ip test-ip prerouting

  [ fib saddr . iif oifname => reg 1 ]

  [ cmp eq reg 1 0x00006f6c 0x00000000 0x00000000 0x00000000 ]

# fib daddr . iif type local

ip test-ip prerouting

  [ fib daddr . iif type => reg 1 ]

  [ cmp eq reg 1 0x00000002 ]

# fib daddr . iif type vmap { blackhole : drop, prohibit : drop, unicast : accept }

__map%d test-ip b

__map%d test-ip 0

        element 00000006  : 0 [end]     element 00000008  : 0 [end]     element 00000001  : 0 [end]

ip test-ip prerouting

  [ fib daddr . iif type => reg 1 ]

  [ lookup reg 1 set __map%d dreg 0 ]

# fib daddr oif exists

ip test-ip prerouting

  [ fib daddr oif present => reg 1 ]

  [ cmp eq reg 1 0x00000001 ]

# fib daddr oif missing

ip test-ip prerouting

  [ fib daddr oif present => reg 1 ]

  [ cmp eq reg 1 0x00000000 ]