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Hello
Any response ?
Thank you
Yao Jiewen
From: Yao, Jiewen <jiewen....@intel.com>
Sent: Thursday, December 17, 2020 12:10 PM
To: tcpdump-workers@lists.tcpdump.org
Cc: Yao, Jiewen <jiewen....@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
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