79 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			79 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			C
		
	
	
	
| /* 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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| 
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| #include <linux/types.h>
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| #include <linux/time_types.h>
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| 
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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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| 
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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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| 
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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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| 
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| #define SO_EE_OFFENDER(ee)	((struct sockaddr*)((ee)+1))
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| 
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| #define SO_EE_CODE_ZEROCOPY_COPIED	1
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| 
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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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| 
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| #define SO_EE_RFC4884_FLAG_INVALID	1
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| 
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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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| 
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| struct scm_timestamping64 {
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| 	struct __kernel_timespec ts[3];
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| };
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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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| 
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| #endif /* _UAPI_LINUX_ERRQUEUE_H */
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