1 /* 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 */ 7 #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 18 struct 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)); 25 struct 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 49 __u8 data[]; 50 } __attribute__((packed)); 51 #endif 52