47 lines
1.2 KiB
C
47 lines
1.2 KiB
C
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#ifndef _UAPI_LINUX_ERRQUEUE_H
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#define _UAPI_LINUX_ERRQUEUE_H
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#include <linux/types.h>
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struct sock_extended_err {
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__u32 ee_errno;
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__u8 ee_origin;
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__u8 ee_type;
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__u8 ee_code;
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__u8 ee_pad;
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__u32 ee_info;
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__u32 ee_data;
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};
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#define SO_EE_ORIGIN_NONE 0
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#define SO_EE_ORIGIN_LOCAL 1
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#define SO_EE_ORIGIN_ICMP 2
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#define SO_EE_ORIGIN_ICMP6 3
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#define SO_EE_ORIGIN_TXSTATUS 4
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#define SO_EE_ORIGIN_TIMESTAMPING SO_EE_ORIGIN_TXSTATUS
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#define SO_EE_OFFENDER(ee) ((struct sockaddr*)((ee)+1))
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/**
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* struct scm_timestamping - timestamps exposed through cmsg
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*
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* The timestamping interfaces SO_TIMESTAMPING, MSG_TSTAMP_*
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* communicate network timestamps by passing this struct in a cmsg with
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* recvmsg(). See Documentation/networking/timestamping.txt for details.
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*/
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struct scm_timestamping {
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struct timespec ts[3];
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};
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/* The type of scm_timestamping, passed in sock_extended_err ee_info.
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* This defines the type of ts[0]. For SCM_TSTAMP_SND only, if ts[0]
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* is zero, then this is a hardware timestamp and recorded in ts[2].
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*/
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enum {
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SCM_TSTAMP_SND, /* driver passed skb to NIC, or HW */
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SCM_TSTAMP_SCHED, /* data entered the packet scheduler */
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SCM_TSTAMP_ACK, /* data acknowledged by peer */
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};
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#endif /* _UAPI_LINUX_ERRQUEUE_H */
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