xref: /linux-6.15/include/uapi/linux/errqueue.h (revision 460a2db0)
16f52b16cSGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2607ca46eSDavid Howells #ifndef _UAPI_LINUX_ERRQUEUE_H
3607ca46eSDavid Howells #define _UAPI_LINUX_ERRQUEUE_H
4607ca46eSDavid Howells 
5607ca46eSDavid Howells #include <linux/types.h>
6*460a2db0SDeepa Dinamani #include <linux/time_types.h>
7607ca46eSDavid Howells 
8607ca46eSDavid Howells struct sock_extended_err {
9607ca46eSDavid Howells 	__u32	ee_errno;
10607ca46eSDavid Howells 	__u8	ee_origin;
11607ca46eSDavid Howells 	__u8	ee_type;
12607ca46eSDavid Howells 	__u8	ee_code;
13607ca46eSDavid Howells 	__u8	ee_pad;
14607ca46eSDavid Howells 	__u32   ee_info;
15607ca46eSDavid Howells 	__u32   ee_data;
16607ca46eSDavid Howells };
17607ca46eSDavid Howells 
18607ca46eSDavid Howells #define SO_EE_ORIGIN_NONE	0
19607ca46eSDavid Howells #define SO_EE_ORIGIN_LOCAL	1
20607ca46eSDavid Howells #define SO_EE_ORIGIN_ICMP	2
21607ca46eSDavid Howells #define SO_EE_ORIGIN_ICMP6	3
22607ca46eSDavid Howells #define SO_EE_ORIGIN_TXSTATUS	4
2352267790SWillem de Bruijn #define SO_EE_ORIGIN_ZEROCOPY	5
244b15c707SJesus Sanchez-Palencia #define SO_EE_ORIGIN_TXTIME	6
25607ca46eSDavid Howells #define SO_EE_ORIGIN_TIMESTAMPING SO_EE_ORIGIN_TXSTATUS
26607ca46eSDavid Howells 
27607ca46eSDavid Howells #define SO_EE_OFFENDER(ee)	((struct sockaddr*)((ee)+1))
28607ca46eSDavid Howells 
2952267790SWillem de Bruijn #define SO_EE_CODE_ZEROCOPY_COPIED	1
3052267790SWillem de Bruijn 
314b15c707SJesus Sanchez-Palencia #define SO_EE_CODE_TXTIME_INVALID_PARAM	1
324b15c707SJesus Sanchez-Palencia #define SO_EE_CODE_TXTIME_MISSED	2
334b15c707SJesus Sanchez-Palencia 
34f24b9be5SWillem de Bruijn /**
35f24b9be5SWillem de Bruijn  *	struct scm_timestamping - timestamps exposed through cmsg
36f24b9be5SWillem de Bruijn  *
37f24b9be5SWillem de Bruijn  *	The timestamping interfaces SO_TIMESTAMPING, MSG_TSTAMP_*
38f24b9be5SWillem de Bruijn  *	communicate network timestamps by passing this struct in a cmsg with
39f24b9be5SWillem de Bruijn  *	recvmsg(). See Documentation/networking/timestamping.txt for details.
40f24b9be5SWillem de Bruijn  */
41f24b9be5SWillem de Bruijn struct scm_timestamping {
42f24b9be5SWillem de Bruijn 	struct timespec ts[3];
43f24b9be5SWillem de Bruijn };
44f24b9be5SWillem de Bruijn 
459718475eSDeepa Dinamani struct scm_timestamping64 {
469718475eSDeepa Dinamani 	struct __kernel_timespec ts[3];
479718475eSDeepa Dinamani };
489718475eSDeepa Dinamani 
49f24b9be5SWillem de Bruijn /* The type of scm_timestamping, passed in sock_extended_err ee_info.
50f24b9be5SWillem de Bruijn  * This defines the type of ts[0]. For SCM_TSTAMP_SND only, if ts[0]
51f24b9be5SWillem de Bruijn  * is zero, then this is a hardware timestamp and recorded in ts[2].
52f24b9be5SWillem de Bruijn  */
53f24b9be5SWillem de Bruijn enum {
54f24b9be5SWillem de Bruijn 	SCM_TSTAMP_SND,		/* driver passed skb to NIC, or HW */
55e7fd2885SWillem de Bruijn 	SCM_TSTAMP_SCHED,	/* data entered the packet scheduler */
56e1c8a607SWillem de Bruijn 	SCM_TSTAMP_ACK,		/* data acknowledged by peer */
57f24b9be5SWillem de Bruijn };
58607ca46eSDavid Howells 
59607ca46eSDavid Howells #endif /* _UAPI_LINUX_ERRQUEUE_H */
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