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78 lines
2.0 KiB
78 lines
2.0 KiB
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
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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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#include <linux/time_types.h> |
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/* RFC 4884: return offset to extension struct + validation */ |
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struct sock_ee_data_rfc4884 { |
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__u16 len; |
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__u8 flags; |
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__u8 reserved; |
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}; |
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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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union { |
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__u32 ee_data; |
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struct sock_ee_data_rfc4884 ee_rfc4884; |
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}; |
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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_ZEROCOPY 5 |
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#define SO_EE_ORIGIN_TXTIME 6 |
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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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#define SO_EE_CODE_ZEROCOPY_COPIED 1 |
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#define SO_EE_CODE_TXTIME_INVALID_PARAM 1 |
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#define SO_EE_CODE_TXTIME_MISSED 2 |
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#define SO_EE_RFC4884_FLAG_INVALID 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.rst for details. |
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* User space sees a timespec definition that matches either |
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* __kernel_timespec or __kernel_old_timespec, in the kernel we |
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* require two structure definitions to provide both. |
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*/ |
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struct scm_timestamping { |
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#ifdef __KERNEL__ |
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struct __kernel_old_timespec ts[3]; |
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#else |
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struct timespec ts[3]; |
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#endif |
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}; |
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struct scm_timestamping64 { |
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struct __kernel_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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