16f52b16cSGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2607ca46eSDavid Howells #ifndef _UAPI_LINUX_ERRQUEUE_H 3607ca46eSDavid Howells #define _UAPI_LINUX_ERRQUEUE_H 4607ca46eSDavid Howells 5607ca46eSDavid Howells #include <linux/types.h> 6460a2db0SDeepa Dinamani #include <linux/time_types.h> 7607ca46eSDavid Howells 8*eba75c58SWillem de Bruijn /* RFC 4884: return offset to extension struct + validation */ 9*eba75c58SWillem de Bruijn struct sock_ee_data_rfc4884 { 10*eba75c58SWillem de Bruijn __u16 len; 11*eba75c58SWillem de Bruijn __u8 flags; 12*eba75c58SWillem de Bruijn __u8 reserved; 13*eba75c58SWillem de Bruijn }; 14*eba75c58SWillem de Bruijn 15607ca46eSDavid Howells struct sock_extended_err { 16607ca46eSDavid Howells __u32 ee_errno; 17607ca46eSDavid Howells __u8 ee_origin; 18607ca46eSDavid Howells __u8 ee_type; 19607ca46eSDavid Howells __u8 ee_code; 20607ca46eSDavid Howells __u8 ee_pad; 21607ca46eSDavid Howells __u32 ee_info; 22*eba75c58SWillem de Bruijn union { 23607ca46eSDavid Howells __u32 ee_data; 24*eba75c58SWillem de Bruijn struct sock_ee_data_rfc4884 ee_rfc4884; 25*eba75c58SWillem de Bruijn }; 26607ca46eSDavid Howells }; 27607ca46eSDavid Howells 28607ca46eSDavid Howells #define SO_EE_ORIGIN_NONE 0 29607ca46eSDavid Howells #define SO_EE_ORIGIN_LOCAL 1 30607ca46eSDavid Howells #define SO_EE_ORIGIN_ICMP 2 31607ca46eSDavid Howells #define SO_EE_ORIGIN_ICMP6 3 32607ca46eSDavid Howells #define SO_EE_ORIGIN_TXSTATUS 4 3352267790SWillem de Bruijn #define SO_EE_ORIGIN_ZEROCOPY 5 344b15c707SJesus Sanchez-Palencia #define SO_EE_ORIGIN_TXTIME 6 35607ca46eSDavid Howells #define SO_EE_ORIGIN_TIMESTAMPING SO_EE_ORIGIN_TXSTATUS 36607ca46eSDavid Howells 37607ca46eSDavid Howells #define SO_EE_OFFENDER(ee) ((struct sockaddr*)((ee)+1)) 38607ca46eSDavid Howells 3952267790SWillem de Bruijn #define SO_EE_CODE_ZEROCOPY_COPIED 1 4052267790SWillem de Bruijn 414b15c707SJesus Sanchez-Palencia #define SO_EE_CODE_TXTIME_INVALID_PARAM 1 424b15c707SJesus Sanchez-Palencia #define SO_EE_CODE_TXTIME_MISSED 2 434b15c707SJesus Sanchez-Palencia 44*eba75c58SWillem de Bruijn #define SO_EE_RFC4884_FLAG_INVALID 1 45*eba75c58SWillem de Bruijn 46f24b9be5SWillem de Bruijn /** 47f24b9be5SWillem de Bruijn * struct scm_timestamping - timestamps exposed through cmsg 48f24b9be5SWillem de Bruijn * 49f24b9be5SWillem de Bruijn * The timestamping interfaces SO_TIMESTAMPING, MSG_TSTAMP_* 50f24b9be5SWillem de Bruijn * communicate network timestamps by passing this struct in a cmsg with 5106bfa47eSMauro Carvalho Chehab * recvmsg(). See Documentation/networking/timestamping.rst for details. 520309f98fSArnd Bergmann * User space sees a timespec definition that matches either 530309f98fSArnd Bergmann * __kernel_timespec or __kernel_old_timespec, in the kernel we 540309f98fSArnd Bergmann * require two structure definitions to provide both. 55f24b9be5SWillem de Bruijn */ 56f24b9be5SWillem de Bruijn struct scm_timestamping { 570309f98fSArnd Bergmann #ifdef __KERNEL__ 580309f98fSArnd Bergmann struct __kernel_old_timespec ts[3]; 590309f98fSArnd Bergmann #else 60f24b9be5SWillem de Bruijn struct timespec ts[3]; 610309f98fSArnd Bergmann #endif 62f24b9be5SWillem de Bruijn }; 63f24b9be5SWillem de Bruijn 649718475eSDeepa Dinamani struct scm_timestamping64 { 659718475eSDeepa Dinamani struct __kernel_timespec ts[3]; 669718475eSDeepa Dinamani }; 679718475eSDeepa Dinamani 68f24b9be5SWillem de Bruijn /* The type of scm_timestamping, passed in sock_extended_err ee_info. 69f24b9be5SWillem de Bruijn * This defines the type of ts[0]. For SCM_TSTAMP_SND only, if ts[0] 70f24b9be5SWillem de Bruijn * is zero, then this is a hardware timestamp and recorded in ts[2]. 71f24b9be5SWillem de Bruijn */ 72f24b9be5SWillem de Bruijn enum { 73f24b9be5SWillem de Bruijn SCM_TSTAMP_SND, /* driver passed skb to NIC, or HW */ 74e7fd2885SWillem de Bruijn SCM_TSTAMP_SCHED, /* data entered the packet scheduler */ 75e1c8a607SWillem de Bruijn SCM_TSTAMP_ACK, /* data acknowledged by peer */ 76f24b9be5SWillem de Bruijn }; 77607ca46eSDavid Howells 78607ca46eSDavid Howells #endif /* _UAPI_LINUX_ERRQUEUE_H */ 79