| // |
| // Copyright (C) 2014 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. |
| // |
| |
| #ifndef SHILL_NET_NDISC_H_ |
| #define SHILL_NET_NDISC_H_ |
| |
| // Neighbor discovery related definitions. This is needed because kernel |
| // currently does not export these definitions to the user space. |
| |
| // Netlink multicast group for neighbor discovery user option message. |
| #define RTMGRP_ND_USEROPT 0x80000 |
| |
| // Neighbor Discovery user option header definition. |
| struct NDUserOptionHeader { |
| NDUserOptionHeader() { |
| memset(this, 0, sizeof(*this)); |
| } |
| uint8_t type; |
| uint8_t length; |
| uint16_t reserved; |
| uint32_t lifetime; |
| } __attribute__((__packed__)); |
| |
| // Neighbor Discovery user option type definition. |
| #define ND_OPT_RDNSS 25 /* RFC 5006 */ |
| #define ND_OPT_DNSSL 31 /* RFC 6106 */ |
| |
| // Infinity lifetime. |
| #define ND_OPT_LIFETIME_INFINITY 0xFFFFFFFF |
| |
| #endif // SHILL_NET_NDISC_H_ |