1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2#ifndef _UAPI_LINUX_ERRQUEUE_H 3#define _UAPI_LINUX_ERRQUEUE_H 4 5#include <linux/types.h> 6#include <linux/time_types.h> 7 8struct sock_extended_err { 9 __u32 ee_errno; 10 __u8 ee_origin; 11 __u8 ee_type; 12 __u8 ee_code; 13 __u8 ee_pad; 14 __u32 ee_info; 15 __u32 ee_data; 16}; 17 18#define SO_EE_ORIGIN_NONE 0 19#define SO_EE_ORIGIN_LOCAL 1 20#define SO_EE_ORIGIN_ICMP 2 21#define SO_EE_ORIGIN_ICMP6 3 22#define SO_EE_ORIGIN_TXSTATUS 4 23#define SO_EE_ORIGIN_ZEROCOPY 5 24#define SO_EE_ORIGIN_TXTIME 6 25#define SO_EE_ORIGIN_TIMESTAMPING SO_EE_ORIGIN_TXSTATUS 26 27#define SO_EE_OFFENDER(ee) ((struct sockaddr*)((ee)+1)) 28 29#define SO_EE_CODE_ZEROCOPY_COPIED 1 30 31#define SO_EE_CODE_TXTIME_INVALID_PARAM 1 32#define SO_EE_CODE_TXTIME_MISSED 2 33 34/** 35 * struct scm_timestamping - timestamps exposed through cmsg 36 * 37 * The timestamping interfaces SO_TIMESTAMPING, MSG_TSTAMP_* 38 * communicate network timestamps by passing this struct in a cmsg with 39 * recvmsg(). See Documentation/networking/timestamping.txt for details. 40 * User space sees a timespec definition that matches either 41 * __kernel_timespec or __kernel_old_timespec, in the kernel we 42 * require two structure definitions to provide both. 43 */ 44struct scm_timestamping { 45#ifdef __KERNEL__ 46 struct __kernel_old_timespec ts[3]; 47#else 48 struct timespec ts[3]; 49#endif 50}; 51 52struct scm_timestamping64 { 53 struct __kernel_timespec ts[3]; 54}; 55 56/* The type of scm_timestamping, passed in sock_extended_err ee_info. 57 * This defines the type of ts[0]. For SCM_TSTAMP_SND only, if ts[0] 58 * is zero, then this is a hardware timestamp and recorded in ts[2]. 59 */ 60enum { 61 SCM_TSTAMP_SND, /* driver passed skb to NIC, or HW */ 62 SCM_TSTAMP_SCHED, /* data entered the packet scheduler */ 63 SCM_TSTAMP_ACK, /* data acknowledged by peer */ 64}; 65 66#endif /* _UAPI_LINUX_ERRQUEUE_H */ 67