Takahiro Suzuki | d7bf820 | 2020-12-17 20:21:59 +0900 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2020-present Open Networking Foundation |
| 3 | |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package l2oam |
| 18 | |
| 19 | import ( |
| 20 | "github.com/google/gopacket" |
| 21 | ) |
| 22 | |
| 23 | // GenerateOnuSystemInfo generates "ONU System Information" message |
| 24 | func GenerateOnuSystemInfo(PkgType string) gopacket.SerializableLayer { |
| 25 | |
| 26 | if PkgType == OnuPkgTypeA { |
| 27 | //TypeA |
| 28 | data := &TibitFrame{ |
| 29 | Data: []byte{ |
| 30 | 0x03, 0x00, 0x50, 0xfe, 0x00, 0x10, 0x00, 0x01, |
| 31 | 0xd7, 0x00, 0x06, 0x00, 0x00, |
| 32 | }, |
| 33 | } |
| 34 | |
| 35 | return data |
| 36 | } else if PkgType == OnuPkgTypeB { |
| 37 | //TypeB |
| 38 | data := &TibitFrame{ |
| 39 | Data: []byte{ |
| 40 | 0x03, 0x00, 0x50, 0xfe, 0x90, 0x82, 0x60, 0x00, |
| 41 | 0xca, 0xfe, 0x00, 0xb7, 0x00, 0x40, 0x00, 0x00, |
| 42 | }, |
| 43 | } |
| 44 | |
| 45 | return data |
| 46 | } |
| 47 | |
| 48 | return nil |
| 49 | } |
| 50 | |
| 51 | // GetOnuSerialNo returns a serial number |
| 52 | func GetOnuSerialNo(pkgType string, data []byte) string { |
| 53 | if pkgType == OnuPkgTypeA { |
| 54 | // 030050fe00100002 00 - 07 |
| 55 | // d70006404d493920 08 - 15 |
| 56 | // 32304b2042303041 16 - 23 |
| 57 | // 3730204130302031 24 - 31 |
| 58 | // 3730382020202020 |
| 59 | // 2000000030313233 |
| 60 | // 3435363730313233 |
| 61 | // 3435363738394041 |
| 62 | // 42434445 |
| 63 | return string(data[20:26]) |
| 64 | } |
| 65 | return "" |
| 66 | } |
| 67 | |
| 68 | // GetOnuManufacture returns a manufacture information |
| 69 | func GetOnuManufacture(pkgType string, data []byte) string { |
| 70 | if pkgType == OnuPkgTypeA { |
| 71 | if data[16] == 0x32 && data[17] == 0x30 && data[18] == 0x4b { |
| 72 | return "FURUKAWA" |
| 73 | } |
| 74 | } |
| 75 | return "" |
| 76 | } |