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 7 struct sock_extended_err { 8 __u32 ee_errno; 9 __u8 ee_origin; 10 __u8 ee_type; 11 __u8 ee_code; 12 __u8 ee_pad; 13 __u32 ee_info; 14 __u32 ee_data; 15 }; 16 17 #define SO_EE_ORIGIN_NONE 0 18 #define SO_EE_ORIGIN_LOCAL 1 19 #define SO_EE_ORIGIN_ICMP 2 20 #define SO_EE_ORIGIN_ICMP6 3 21 #define SO_EE_ORIGIN_TXSTATUS 4 22 #define SO_EE_ORIGIN_ZEROCOPY 5 23 #define SO_EE_ORIGIN_TIMESTAMPING SO_EE_ORIGIN_TXSTATUS 24 25 #define SO_EE_OFFENDER(ee) ((struct sockaddr*)((ee)+1)) 26 27 #define SO_EE_CODE_ZEROCOPY_COPIED 1 28 29 /** 30 * struct scm_timestamping - timestamps exposed through cmsg 31 * 32 * The timestamping interfaces SO_TIMESTAMPING, MSG_TSTAMP_* 33 * communicate network timestamps by passing this struct in a cmsg with 34 * recvmsg(). See Documentation/networking/timestamping.txt for details. 35 */ 36 struct scm_timestamping { 37 struct timespec ts[3]; 38 }; 39 40 /* The type of scm_timestamping, passed in sock_extended_err ee_info. 41 * This defines the type of ts[0]. For SCM_TSTAMP_SND only, if ts[0] 42 * is zero, then this is a hardware timestamp and recorded in ts[2]. 43 */ 44 enum { 45 SCM_TSTAMP_SND, /* driver passed skb to NIC, or HW */ 46 SCM_TSTAMP_SCHED, /* data entered the packet scheduler */ 47 SCM_TSTAMP_ACK, /* data acknowledged by peer */ 48 }; 49 50 #endif /* _UAPI_LINUX_ERRQUEUE_H */ 51