| // Copyright (C) 2022 The Android Open Source Project |
| // |
| // 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. |
| |
| #pragma once |
| #include <netinet/in.h> |
| #include <netinet/in6.h> |
| |
| namespace android { |
| namespace net { |
| namespace clat { |
| |
| bool isIpv4AddressFree(in_addr_t addr); |
| in_addr_t selectIpv4Address(const in_addr ip, int16_t prefixlen); |
| void makeChecksumNeutral(in6_addr* v6, const in_addr v4, const in6_addr& nat64Prefix); |
| int generateIpv6Address(const char* iface, const in_addr v4, const in6_addr& nat64Prefix, |
| in6_addr* v6); |
| int detect_mtu(const struct in6_addr* plat_subnet, uint32_t plat_suffix, uint32_t mark); |
| int configure_packet_socket(int sock, in6_addr* addr, int ifindex); |
| |
| // For testing |
| typedef bool (*isIpv4AddrFreeFn)(in_addr_t); |
| in_addr_t selectIpv4AddressInternal(const in_addr ip, int16_t prefixlen, isIpv4AddrFreeFn fn); |
| |
| } // namespace clat |
| } // namespace net |
| } // namespace android |
