CN113498596A - 一种基于PCIe的数据传输方法及装置 - Google Patents

一种基于PCIe的数据传输方法及装置 Download PDF

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CN113498596A
CN113498596A CN202080003143.1A CN202080003143A CN113498596A CN 113498596 A CN113498596 A CN 113498596A CN 202080003143 A CN202080003143 A CN 202080003143A CN 113498596 A CN113498596 A CN 113498596A
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CN113498596B (zh
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万蕾
鲍鹏鑫
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00—Packet switching elements
    • H04L49/35—Switches specially adapted for specific applications
    • H04L49/351—Switches specially adapted for specific applications for local area network [LAN], e.g. Ethernet switches
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38—Information transfer, e.g. on bus
    • G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
    • G06F13/4204—Bus transfer protocol, e.g. handshake; Synchronisation on a parallel bus
    • G06F13/4221—Bus transfer protocol, e.g. handshake; Synchronisation on a parallel bus being an input/output bus, e.g. ISA bus, EISA bus, PCI bus, SCSI bus
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38—Information transfer, e.g. on bus
    • G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
    • G06F13/4265—Bus transfer protocol, e.g. handshake; Synchronisation on a point to point bus
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00—Routing or path finding of packets in data switching networks
    • H04L45/74—Address processing for routing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/22—Parsing or analysis of headers
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F2213/0026—PCI express

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Security & Cryptography (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Communication Control (AREA)

Abstract

本申请公开了一种基于PCIe的数据传输方法及装置，可以使PCIe系统中的Endpoint无需经过根节点(Root)进行通信，从而用于降低车内网复杂度。该方法包括：第一节点将数据封装成TLP后向第二节点进行发送，TLP包括包头以及扩展头，其中，包头包括第一字段和第二字段，第一字段、第二字段和扩展头用于指示第一封装信息，第一封装信息包括数据的数据类型以及数据类型对应的至少一个封装参数。本申请实施例通过利用第一字段、第二字段和扩展头指示传输数据所需要的信息，如数据类型、数据类型对应的封装参数等，使端节点之间即使不经过Root，也可以进行通信，从而可以降低车内网复杂度。

Description

PCT国内申请，说明书已公开。

Claims (56)

  1. PCT国内申请，权利要求书已公开。
CN202080003143.1A 2020-01-22 2020-01-22 一种基于PCIe的数据传输方法及装置 Active CN113498596B (zh)

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EP (1) EP4080839B1 (zh)
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Cited By (2)

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CN114285917A (zh) * 2021-12-29 2022-04-05 无锡众星微系统技术有限公司 一种基于PCIe NTB的多主机通讯方法和装置
CN115102780A (zh) * 2022-07-15 2022-09-23 飞腾信息技术有限公司 数据传输方法、相关装置、系统及计算机可读存储介质

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* Cited by examiner, † Cited by third party
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CN113498595B (zh) * 2020-01-22 2022-10-11 华为技术有限公司 一种基于PCIe的数据传输方法及装置
EP4099637A4 (en) * 2020-02-27 2023-04-12 Huawei Technologies Co., Ltd. PCIE BASED COMMUNICATION METHOD AND DEVICE
CN115297198B (zh) * 2022-09-21 2023-01-13 中昊芯英(杭州)科技有限公司 数据处理方法、电路、介质和计算设备

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US5473691A (en) * 1993-11-05 1995-12-05 Microsoft Corporation System and method for computer data transmission
CN1608255A (zh) * 2001-12-28 2005-04-20 英特尔公司 使用包括扩展类型/扩展长度字段的分组头部的计算机系统中的代理之间的通信事务类型
CN103023824A (zh) * 2012-12-11 2013-04-03 华为技术有限公司 基于周边组件接口快速通道PCIe的数据传输系统及方法
CN105335227A (zh) * 2014-06-19 2016-02-17 华为技术有限公司 一种节点内的数据处理方法、装置和系统

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114285917A (zh) * 2021-12-29 2022-04-05 无锡众星微系统技术有限公司 一种基于PCIe NTB的多主机通讯方法和装置
CN114285917B (zh) * 2021-12-29 2023-03-10 无锡众星微系统技术有限公司 一种基于PCIe NTB的多主机通讯方法和装置
CN115102780A (zh) * 2022-07-15 2022-09-23 飞腾信息技术有限公司 数据传输方法、相关装置、系统及计算机可读存储介质
CN115102780B (zh) * 2022-07-15 2022-12-06 飞腾信息技术有限公司 数据传输方法、相关装置、系统及计算机可读存储介质

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EP4080839A1 (en) 2022-10-26
US20220358075A1 (en) 2022-11-10
CN113498596B (zh) 2022-10-11
EP4080839B1 (en) 2024-01-03
WO2021147050A1 (zh) 2021-07-29
EP4080839A4 (en) 2023-01-04

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