2 * Copyright (c) 2020 Cisco and/or its affiliates.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
16 * @brief The NAT44 inline functions
18 #ifndef included_nat_inlines_h__
19 #define included_nat_inlines_h__
21 static_always_inline u32
22 ip_proto_to_nat_proto (u8 ip_proto)
26 nat_proto = (ip_proto == IP_PROTOCOL_UDP) ? NAT_PROTOCOL_UDP : nat_proto;
27 nat_proto = (ip_proto == IP_PROTOCOL_TCP) ? NAT_PROTOCOL_TCP : nat_proto;
28 nat_proto = (ip_proto == IP_PROTOCOL_ICMP) ? NAT_PROTOCOL_ICMP : nat_proto;
29 nat_proto = (ip_proto == IP_PROTOCOL_ICMP6) ? NAT_PROTOCOL_ICMP : nat_proto;
34 static_always_inline u8
35 nat_proto_to_ip_proto (nat_protocol_t nat_proto)
39 ip_proto = (nat_proto == NAT_PROTOCOL_UDP) ? IP_PROTOCOL_UDP : ip_proto;
40 ip_proto = (nat_proto == NAT_PROTOCOL_TCP) ? IP_PROTOCOL_TCP : ip_proto;
41 ip_proto = (nat_proto == NAT_PROTOCOL_ICMP) ? IP_PROTOCOL_ICMP : ip_proto;
46 static_always_inline u8
47 icmp_type_is_error_message (u8 icmp_type)
51 case ICMP4_destination_unreachable:
52 case ICMP4_time_exceeded:
53 case ICMP4_parameter_problem:
54 case ICMP4_source_quench:
56 case ICMP4_alternate_host_address:
62 #endif /* included_nat_inlines_h__ */
64 * fd.io coding-style-patch-verification: ON
67 * eval: (c-set-style "gnu")