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편집 파일: errqueue.h

/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _LINUX_ERRQUEUE_H #define _LINUX_ERRQUEUE_H #include <linux/types.h> #include <linux/time_types.h> /* RFC 4884: return offset to extension struct + validation */ struct sock_ee_data_rfc4884 { __u16 len; __u8 flags; __u8 reserved; }; struct sock_extended_err { __u32 ee_errno; __u8 ee_origin; __u8 ee_type; __u8 ee_code; __u8 ee_pad; __u32 ee_info; union { __u32 ee_data; struct sock_ee_data_rfc4884 ee_rfc4884; }; }; #define SO_EE_ORIGIN_NONE 0 #define SO_EE_ORIGIN_LOCAL 1 #define SO_EE_ORIGIN_ICMP 2 #define SO_EE_ORIGIN_ICMP6 3 #define SO_EE_ORIGIN_TXSTATUS 4 #define SO_EE_ORIGIN_ZEROCOPY 5 #define SO_EE_ORIGIN_TXTIME 6 #define SO_EE_ORIGIN_TIMESTAMPING SO_EE_ORIGIN_TXSTATUS #define SO_EE_OFFENDER(ee) ((struct sockaddr*)((ee)+1)) #define SO_EE_CODE_ZEROCOPY_COPIED 1 #define SO_EE_CODE_TXTIME_INVALID_PARAM 1 #define SO_EE_CODE_TXTIME_MISSED 2 #define SO_EE_RFC4884_FLAG_INVALID 1 /** * struct scm_timestamping - timestamps exposed through cmsg * * The timestamping interfaces SO_TIMESTAMPING, MSG_TSTAMP_* * communicate network timestamps by passing this struct in a cmsg with * recvmsg(). See Documentation/networking/timestamping.rst for details. * User space sees a timespec definition that matches either * __kernel_timespec or __kernel_old_timespec, in the kernel we * require two structure definitions to provide both. */ struct scm_timestamping { struct timespec ts[3]; }; struct scm_timestamping64 { struct __kernel_timespec ts[3]; }; /* The type of scm_timestamping, passed in sock_extended_err ee_info. * This defines the type of ts[0]. For SCM_TSTAMP_SND only, if ts[0] * is zero, then this is a hardware timestamp and recorded in ts[2]. */ enum { SCM_TSTAMP_SND, /* driver passed skb to NIC, or HW */ SCM_TSTAMP_SCHED, /* data entered the packet scheduler */ SCM_TSTAMP_ACK, /* data acknowledged by peer */ }; #endif /* _LINUX_ERRQUEUE_H */