1 #ifndef _UAPI_LINUX_ERRQUEUE_H 2 #define _UAPI_LINUX_ERRQUEUE_H 3 4 #include <linux/types.h> 5 6 struct 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_ZEROCOPY 5 22 #define SO_EE_ORIGIN_TIMESTAMPING SO_EE_ORIGIN_TXSTATUS 23 24 #define SO_EE_OFFENDER(ee) ((struct sockaddr*)((ee)+1)) 25 26 #define SO_EE_CODE_ZEROCOPY_COPIED 1 27 28 /** 29 * struct scm_timestamping - timestamps exposed through cmsg 30 * 31 * The timestamping interfaces SO_TIMESTAMPING, MSG_TSTAMP_* 32 * communicate network timestamps by passing this struct in a cmsg with 33 * recvmsg(). See Documentation/networking/timestamping.txt for details. 34 */ 35 struct scm_timestamping { 36 struct timespec ts[3]; 37 }; 38 39 /* The type of scm_timestamping, passed in sock_extended_err ee_info. 40 * This defines the type of ts[0]. For SCM_TSTAMP_SND only, if ts[0] 41 * is zero, then this is a hardware timestamp and recorded in ts[2]. 42 */ 43 enum { 44 SCM_TSTAMP_SND, /* driver passed skb to NIC, or HW */ 45 SCM_TSTAMP_SCHED, /* data entered the packet scheduler */ 46 SCM_TSTAMP_ACK, /* data acknowledged by peer */ 47 }; 48 49 #endif /* _UAPI_LINUX_ERRQUEUE_H */ 50