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2c8e2e9aec
Simple packet header format as defined by DMTF DSP0236. Signed-off-by: Jeremy Kerr <jk@codeconstruct.com.au> Signed-off-by: David S. Miller <davem@davemloft.net>
36 lines
723 B
C
36 lines
723 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Management Component Transport Protocol (MCTP)
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*
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* Copyright (c) 2021 Code Construct
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* Copyright (c) 2021 Google
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*/
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#ifndef __NET_MCTP_H
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#define __NET_MCTP_H
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#include <linux/bits.h>
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/* MCTP packet definitions */
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struct mctp_hdr {
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u8 ver;
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u8 dest;
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u8 src;
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u8 flags_seq_tag;
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};
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#define MCTP_VER_MIN 1
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#define MCTP_VER_MAX 1
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/* Definitions for flags_seq_tag field */
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#define MCTP_HDR_FLAG_SOM BIT(7)
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#define MCTP_HDR_FLAG_EOM BIT(6)
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#define MCTP_HDR_FLAG_TO BIT(3)
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#define MCTP_HDR_FLAGS GENMASK(5, 3)
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#define MCTP_HDR_SEQ_SHIFT 4
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#define MCTP_HDR_SEQ_MASK GENMASK(1, 0)
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#define MCTP_HDR_TAG_SHIFT 0
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#define MCTP_HDR_TAG_MASK GENMASK(2, 0)
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#endif /* __NET_MCTP_H */
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