1 /**************************************************************************** 2 **************************************************************************** 3 *** 4 *** This header was automatically generated from a Linux kernel header 5 *** of the same name, to make information necessary for userspace to 6 *** call into the kernel available to libc. It contains only constants, 7 *** structures, and macros generated from the original header, and thus, 8 *** contains no copyrightable information. 9 *** 10 *** To edit the content of this header, modify the corresponding 11 *** source file (e.g. under external/kernel-headers/original/) then 12 *** run bionic/libc/kernel/tools/update_all.py 13 *** 14 *** Any manual change here will be lost the next time this script will 15 *** be run. You've been warned! 16 *** 17 **************************************************************************** 18 ****************************************************************************/ 19 #ifndef _UAPI_LINUX_IOAM6_H 20 #define _UAPI_LINUX_IOAM6_H 21 #include <asm/byteorder.h> 22 #include <linux/types.h> 23 #define IOAM6_U16_UNAVAILABLE U16_MAX 24 #define IOAM6_U32_UNAVAILABLE U32_MAX 25 #define IOAM6_U64_UNAVAILABLE U64_MAX 26 #define IOAM6_DEFAULT_ID (IOAM6_U32_UNAVAILABLE >> 8) 27 #define IOAM6_DEFAULT_ID_WIDE (IOAM6_U64_UNAVAILABLE >> 8) 28 #define IOAM6_DEFAULT_IF_ID IOAM6_U16_UNAVAILABLE 29 #define IOAM6_DEFAULT_IF_ID_WIDE IOAM6_U32_UNAVAILABLE 30 struct ioam6_hdr { 31 __u8 opt_type; 32 __u8 opt_len; 33 __u8 : 8; 34 #define IOAM6_TYPE_PREALLOC 0 35 __u8 type; 36 } __attribute__((packed)); 37 struct ioam6_trace_hdr { 38 __be16 namespace_id; 39 #ifdef __LITTLE_ENDIAN_BITFIELD 40 __u8 : 1, : 1, overflow : 1, nodelen : 5; 41 __u8 remlen : 7, : 1; 42 union { 43 __be32 type_be32; 44 struct { 45 __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; 46 } type; 47 }; 48 #elif defined(__BIG_ENDIAN_BITFIELD) 49 __u8 nodelen : 5, overflow : 1, : 1, : 1; 50 __u8 : 1, remlen : 7; 51 union { 52 __be32 type_be32; 53 struct { 54 __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; 55 } type; 56 }; 57 #else 58 #error "Please fix <asm/byteorder.h>" 59 #endif 60 #define IOAM6_TRACE_DATA_SIZE_MAX 244 61 __u8 data[0]; 62 } __attribute__((packed)); 63 #endif 64