diff options
Diffstat (limited to 'src/plugins/nat/lib/inlines.h')
-rw-r--r-- | src/plugins/nat/lib/inlines.h | 53 |
1 files changed, 10 insertions, 43 deletions
diff --git a/src/plugins/nat/lib/inlines.h b/src/plugins/nat/lib/inlines.h index fe1f7dd27bc..24e3ba83a5b 100644 --- a/src/plugins/nat/lib/inlines.h +++ b/src/plugins/nat/lib/inlines.h @@ -20,51 +20,18 @@ #include <vnet/ip/icmp46_packet.h> -always_inline nat_protocol_t -ip_proto_to_nat_proto (u8 ip_proto) -{ - static const nat_protocol_t lookup_table[256] = { - [IP_PROTOCOL_TCP] = NAT_PROTOCOL_TCP, - [IP_PROTOCOL_UDP] = NAT_PROTOCOL_UDP, - [IP_PROTOCOL_ICMP] = NAT_PROTOCOL_ICMP, - [IP_PROTOCOL_ICMP6] = NAT_PROTOCOL_ICMP, - }; - - return lookup_table[ip_proto]; -} - -static_always_inline u8 -nat_proto_to_ip_proto (nat_protocol_t nat_proto) -{ - ASSERT (nat_proto <= NAT_PROTOCOL_ICMP); - - static const u8 lookup_table[256] = { - [NAT_PROTOCOL_OTHER] = ~0, - [NAT_PROTOCOL_TCP] = IP_PROTOCOL_TCP, - [NAT_PROTOCOL_UDP] = IP_PROTOCOL_UDP, - [NAT_PROTOCOL_ICMP] = IP_PROTOCOL_ICMP, - }; - - ASSERT (NAT_PROTOCOL_OTHER == nat_proto || NAT_PROTOCOL_TCP == nat_proto - || NAT_PROTOCOL_UDP == nat_proto || NAT_PROTOCOL_ICMP == nat_proto); - - return lookup_table[nat_proto]; -} - -static_always_inline u8 +static_always_inline u64 icmp_type_is_error_message (u8 icmp_type) { - switch (icmp_type) - { - case ICMP4_destination_unreachable: - case ICMP4_time_exceeded: - case ICMP4_parameter_problem: - case ICMP4_source_quench: - case ICMP4_redirect: - case ICMP4_alternate_host_address: - return 1; - } - return 0; + int bmp = 0; + bmp |= 1 << ICMP4_destination_unreachable; + bmp |= 1 << ICMP4_time_exceeded; + bmp |= 1 << ICMP4_parameter_problem; + bmp |= 1 << ICMP4_source_quench; + bmp |= 1 << ICMP4_redirect; + bmp |= 1 << ICMP4_alternate_host_address; + + return (1ULL << icmp_type) & bmp; } #endif /* included_nat_inlines_h__ */ |