Re: Request to add MCTP and PCI_DOE to PCAP link type

["Yao, Jiewen via tcpdump-workers" <tcpdump-workers () lists tcpdump org>]

> --- Begin Message ---
>
>
> From: "Yao, Jiewen" <jiewen.yao () intel com>
>
> Date: Sun, 24 Jan 2021 00:54:41 +0000
>
> Hello
> Any response ?
>
> Thank you
> Yao Jiewen
>
> From: Yao, Jiewen <jiewen.yao () intel com>
> Sent: Thursday, December 17, 2020 12:10 PM
> To: tcpdump-workers () lists tcpdump org
> Cc: Yao, Jiewen <jiewen.yao () intel com>
> Subject: Request to add MCTP and PCI_DOE to PCAP link type
>
> Hi
> I write this email to request to below 2 link types.
>
>
>   1.  MCTP
>
> Management Component Transport Protocol (MCTP) is an industry standard defined by Distributed Management Task Force 
> (DMTF) Platform Management Communication Interface (PMCI) working group (https://www.dmtf.org/standards/pmci)
>
> DSP0236 (https://www.dmtf.org/sites/default/files/standards/documents/DSP0236_1.3.1.pdf) is the Management Component 
> Transport Protocol (MCTP) Base Specification. It defines the MCTP transport header.
> DSP0239 (https://www.dmtf.org/sites/default/files/standards/documents/DSP0239_1.7.0.pdf) defines the Management 
> Component Transport Protocol (MCTP) IDs and Codes. It defines the MCTP message type in a MCTP packet payload.
>
> Proposal:
>
> LINKTYPE_ name
> LINKTYPE_ value
> Corresponding DLT_ name
> Description
> LINKTYPE_MCTP
> XXX
> DLT_MCTP
> MCTP packet is defined in DMTF PMCI working group Management Component Transport Protocol (MCTP) Base 
> Specification(https://www.dmtf.org/sites/default/files/standards/documents/DSP0236_1.3.1.pdf) 8.1 MCTP packet fields. 
> It starts with MCTP transport header in Figure 4 - Generic message fields.
>
>
>
>   1.  PCI_DOE
>
> PCI Data Object Exchange (DOE) is an industry standard defined by PCI-SIG (https://pcisig.com/) Data Object Exchange 
> (DOE) ECN<https://members.pcisig.com/wg/PCI-SIG/document/14143> (https://members.pcisig.com/wg/PCI-SIG/document/14143).
>
>
> Proposal:
>
> LINKTYPE_ name
> LINKTYPE_ value
> Corresponding DLT_ name
> Description
> LINKTYPE_PCI_DOE
> XXX
> DLT_PCI_DOE
> PCI Data Object Exchange (DOE) is defined in PCI-SIG Data Object Exchange (DOE) ECN 
> (https://members.pcisig.com/wg/PCI-SIG/document/14143) 6.xx.1 Data Objects. It starts with DOE Data Object Header 1 in 
> Figure 6-x1: DOE Data Object Format.
>
>
>
> The reason I submit this request is because we are implementing a "SpdmDump" tool to dump the SPDM message defined in 
> DMTF PMCI Security Protocol and Data Model (SPDM) Specification DSP0274 
> (https://www.dmtf.org/sites/default/files/standards/documents/DSP0274_1.1.0.pdf).
> SPDM is similar to network Transport Layer Security (TLS) protocol. It is a transport layer protocol.
> The MCTP and the PCI_DOE are the transport layer binding to send message to hardware device (MCTP capable device or 
> PCI_DOE capable device).
>
> We did a prototype for the SpdmDump tool (https://github.com/jyao1/openspdm/blob/master/Doc/SpdmDump.md). We can 
> generate a PCAP file and parse it offline.
> In our prototype, we use below definition:
> #define LINKTYPE_MCTP      290  // 0x0122
> #define LINKTYPE_PCI_DOE   291  // 0x0123
> If you can assign same number, it will be great.
> If different number is assigned, we will change our implementation accordingly.
>
> Thank you
> Yao Jiewen
>
>
>
>
> --- End Message ---
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