| /* |
| * Copyright 2021-present Open Networking Foundation |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef __LOOKUP__ |
| #define __LOOKUP__ |
| |
| control LookupMdInit (in parsed_headers_t hdr, |
| out lookup_metadata_t lkp_md) { |
| apply { |
| lkp_md.is_ipv4 = _FALSE; |
| lkp_md.ipv4_src = 0; |
| lkp_md.ipv4_dst = 0; |
| lkp_md.ip_proto = 0; |
| lkp_md.l4_sport = 0; |
| lkp_md.l4_dport = 0; |
| lkp_md.icmp_type = 0; |
| lkp_md.icmp_code = 0; |
| if (hdr.inner_ipv4.isValid()) { |
| lkp_md.is_ipv4 = true; |
| lkp_md.ipv4_src = hdr.inner_ipv4.src_addr; |
| lkp_md.ipv4_dst = hdr.inner_ipv4.dst_addr; |
| lkp_md.ip_proto = hdr.inner_ipv4.protocol; |
| if (hdr.inner_tcp.isValid()) { |
| lkp_md.l4_sport = hdr.inner_tcp.sport; |
| lkp_md.l4_dport = hdr.inner_tcp.dport; |
| } else if (hdr.inner_udp.isValid()) { |
| lkp_md.l4_sport = hdr.inner_udp.sport; |
| lkp_md.l4_dport = hdr.inner_udp.dport; |
| } else if (hdr.inner_icmp.isValid()) { |
| lkp_md.icmp_type = hdr.inner_icmp.icmp_type; |
| lkp_md.icmp_code = hdr.inner_icmp.icmp_code; |
| } |
| } else if (hdr.ipv4.isValid()) { |
| lkp_md.is_ipv4 = true; |
| lkp_md.ipv4_src = hdr.ipv4.src_addr; |
| lkp_md.ipv4_dst = hdr.ipv4.dst_addr; |
| lkp_md.ip_proto = hdr.ipv4.protocol; |
| if (hdr.tcp.isValid()) { |
| lkp_md.l4_sport = hdr.tcp.sport; |
| lkp_md.l4_dport = hdr.tcp.dport; |
| } else if (hdr.udp.isValid()) { |
| lkp_md.l4_sport = hdr.udp.sport; |
| lkp_md.l4_dport = hdr.udp.dport; |
| } else if (hdr.icmp.isValid()) { |
| lkp_md.icmp_type = hdr.icmp.icmp_type; |
| lkp_md.icmp_code = hdr.icmp.icmp_code; |
| } |
| } |
| } |
| } |
| |
| #endif |
| |