| // Copyright 2019 The gVisor Authors. |
| // |
| // 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. |
| |
| package header |
| |
| // NDPRouterSolicit is an NDP Router Solicitation message. It will only contain |
| // the body of an ICMPv6 packet. |
| // |
| // See RFC 4861 section 4.1 for more details. |
| type NDPRouterSolicit []byte |
| |
| const ( |
| // NDPRSMinimumSize is the minimum size of a valid NDP Router |
| // Solicitation message (body of an ICMPv6 packet). |
| NDPRSMinimumSize = 4 |
| |
| // ndpRSOptionsOffset is the start of the NDP options in an |
| // NDPRouterSolicit. |
| ndpRSOptionsOffset = 4 |
| ) |
| |
| // Options returns an NDPOptions of the the options body. |
| func (b NDPRouterSolicit) Options() NDPOptions { |
| return NDPOptions(b[ndpRSOptionsOffset:]) |
| } |