1#ifndef _UAPI_LINUX_ERRQUEUE_H 2#define _UAPI_LINUX_ERRQUEUE_H 3 4#include <linux/types.h> 5 6struct sock_extended_err { 7 __u32 ee_errno; 8 __u8 ee_origin; 9 __u8 ee_type; 10 __u8 ee_code; 11 __u8 ee_pad; 12 __u32 ee_info; 13 __u32 ee_data; 14}; 15 16#define SO_EE_ORIGIN_NONE 0 17#define SO_EE_ORIGIN_LOCAL 1 18#define SO_EE_ORIGIN_ICMP 2 19#define SO_EE_ORIGIN_ICMP6 3 20#define SO_EE_ORIGIN_TXSTATUS 4 21#define SO_EE_ORIGIN_TIMESTAMPING SO_EE_ORIGIN_TXSTATUS 22 23#define SO_EE_OFFENDER(ee) ((struct sockaddr*)((ee)+1)) 24 25/** 26 * struct scm_timestamping - timestamps exposed through cmsg 27 * 28 * The timestamping interfaces SO_TIMESTAMPING, MSG_TSTAMP_* 29 * communicate network timestamps by passing this struct in a cmsg with 30 * recvmsg(). See Documentation/networking/timestamping.txt for details. 31 */ 32struct scm_timestamping { 33 struct timespec ts[3]; 34}; 35 36/* The type of scm_timestamping, passed in sock_extended_err ee_info. 37 * This defines the type of ts[0]. For SCM_TSTAMP_SND only, if ts[0] 38 * is zero, then this is a hardware timestamp and recorded in ts[2]. 39 */ 40enum { 41 SCM_TSTAMP_SND, /* driver passed skb to NIC, or HW */ 42 SCM_TSTAMP_SCHED, /* data entered the packet scheduler */ 43 SCM_TSTAMP_ACK, /* data acknowledged by peer */ 44}; 45 46#endif /* _UAPI_LINUX_ERRQUEUE_H */ 47