blob: 61452e03aa85e34694b739512994ae3888dad6f2 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
|
/* SPDX-License-Identifier: GPL-2.0 */
/*
* Management Component Transport Protocol (MCTP)
*
* Copyright (c) 2021 Code Construct
* Copyright (c) 2021 Google
*/
#ifndef __NET_MCTP_H
#define __NET_MCTP_H
#include <linux/bits.h>
#include <linux/mctp.h>
/* MCTP packet definitions */
struct mctp_hdr {
u8 ver;
u8 dest;
u8 src;
u8 flags_seq_tag;
};
#define MCTP_VER_MIN 1
#define MCTP_VER_MAX 1
/* Definitions for flags_seq_tag field */
#define MCTP_HDR_FLAG_SOM BIT(7)
#define MCTP_HDR_FLAG_EOM BIT(6)
#define MCTP_HDR_FLAG_TO BIT(3)
#define MCTP_HDR_FLAGS GENMASK(5, 3)
#define MCTP_HDR_SEQ_SHIFT 4
#define MCTP_HDR_SEQ_MASK GENMASK(1, 0)
#define MCTP_HDR_TAG_SHIFT 0
#define MCTP_HDR_TAG_MASK GENMASK(2, 0)
static inline bool mctp_address_ok(mctp_eid_t eid)
{
return eid >= 8 && eid < 255;
}
static inline struct mctp_hdr *mctp_hdr(struct sk_buff *skb)
{
return (struct mctp_hdr *)skb_network_header(skb);
}
void mctp_device_init(void);
void mctp_device_exit(void);
#endif /* __NET_MCTP_H */
|
