blob: 51a21227026c38690ee7a09e4d04e5db4e7efaeb [file] [log] [blame]
Elliott Hughes180edef2023-11-02 00:08:05 +00001/*
2 * This file is auto-generated. Modifications will be lost.
3 *
4 * See https://android.googlesource.com/platform/bionic/+/master/libc/kernel/
5 * for more information.
6 */
Christopher Ferris2abfa9e2021-11-01 16:26:06 -07007#ifndef _UAPI_LINUX_IOAM6_H
8#define _UAPI_LINUX_IOAM6_H
9#include <asm/byteorder.h>
10#include <linux/types.h>
11#define IOAM6_U16_UNAVAILABLE U16_MAX
12#define IOAM6_U32_UNAVAILABLE U32_MAX
13#define IOAM6_U64_UNAVAILABLE U64_MAX
14#define IOAM6_DEFAULT_ID (IOAM6_U32_UNAVAILABLE >> 8)
15#define IOAM6_DEFAULT_ID_WIDE (IOAM6_U64_UNAVAILABLE >> 8)
16#define IOAM6_DEFAULT_IF_ID IOAM6_U16_UNAVAILABLE
17#define IOAM6_DEFAULT_IF_ID_WIDE IOAM6_U32_UNAVAILABLE
18struct ioam6_hdr {
19 __u8 opt_type;
20 __u8 opt_len;
21 __u8 : 8;
22#define IOAM6_TYPE_PREALLOC 0
23 __u8 type;
24} __attribute__((packed));
25struct ioam6_trace_hdr {
26 __be16 namespace_id;
27#ifdef __LITTLE_ENDIAN_BITFIELD
28 __u8 : 1, : 1, overflow : 1, nodelen : 5;
29 __u8 remlen : 7, : 1;
30 union {
31 __be32 type_be32;
32 struct {
33 __u32 bit7 : 1, bit6 : 1, bit5 : 1, bit4 : 1, bit3 : 1, bit2 : 1, bit1 : 1, bit0 : 1, bit15 : 1, bit14 : 1, bit13 : 1, bit12 : 1, bit11 : 1, bit10 : 1, bit9 : 1, bit8 : 1, bit23 : 1, bit22 : 1, bit21 : 1, bit20 : 1, bit19 : 1, bit18 : 1, bit17 : 1, bit16 : 1, : 8;
34 } type;
35 };
36#elif defined(__BIG_ENDIAN_BITFIELD)
37 __u8 nodelen : 5, overflow : 1, : 1, : 1;
38 __u8 : 1, remlen : 7;
39 union {
40 __be32 type_be32;
41 struct {
42 __u32 bit0 : 1, bit1 : 1, bit2 : 1, bit3 : 1, bit4 : 1, bit5 : 1, bit6 : 1, bit7 : 1, bit8 : 1, bit9 : 1, bit10 : 1, bit11 : 1, bit12 : 1, bit13 : 1, bit14 : 1, bit15 : 1, bit16 : 1, bit17 : 1, bit18 : 1, bit19 : 1, bit20 : 1, bit21 : 1, bit22 : 1, bit23 : 1, : 8;
43 } type;
44 };
45#else
46#error "Please fix <asm/byteorder.h>"
47#endif
48#define IOAM6_TRACE_DATA_SIZE_MAX 244
Christopher Ferrisb7cef6d2023-05-09 19:04:15 +000049 __u8 data[];
Christopher Ferris2abfa9e2021-11-01 16:26:06 -070050} __attribute__((packed));
51#endif