xref: /linux-6.15/include/uapi/linux/errqueue.h (revision 9718475e)
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>
6607ca46eSDavid Howells 
7607ca46eSDavid Howells struct sock_extended_err {
8607ca46eSDavid Howells 	__u32	ee_errno;
9607ca46eSDavid Howells 	__u8	ee_origin;
10607ca46eSDavid Howells 	__u8	ee_type;
11607ca46eSDavid Howells 	__u8	ee_code;
12607ca46eSDavid Howells 	__u8	ee_pad;
13607ca46eSDavid Howells 	__u32   ee_info;
14607ca46eSDavid Howells 	__u32   ee_data;
15607ca46eSDavid Howells };
16607ca46eSDavid Howells 
17607ca46eSDavid Howells #define SO_EE_ORIGIN_NONE	0
18607ca46eSDavid Howells #define SO_EE_ORIGIN_LOCAL	1
19607ca46eSDavid Howells #define SO_EE_ORIGIN_ICMP	2
20607ca46eSDavid Howells #define SO_EE_ORIGIN_ICMP6	3
21607ca46eSDavid Howells #define SO_EE_ORIGIN_TXSTATUS	4
2252267790SWillem de Bruijn #define SO_EE_ORIGIN_ZEROCOPY	5
234b15c707SJesus Sanchez-Palencia #define SO_EE_ORIGIN_TXTIME	6
24607ca46eSDavid Howells #define SO_EE_ORIGIN_TIMESTAMPING SO_EE_ORIGIN_TXSTATUS
25607ca46eSDavid Howells 
26607ca46eSDavid Howells #define SO_EE_OFFENDER(ee)	((struct sockaddr*)((ee)+1))
27607ca46eSDavid Howells 
2852267790SWillem de Bruijn #define SO_EE_CODE_ZEROCOPY_COPIED	1
2952267790SWillem de Bruijn 
304b15c707SJesus Sanchez-Palencia #define SO_EE_CODE_TXTIME_INVALID_PARAM	1
314b15c707SJesus Sanchez-Palencia #define SO_EE_CODE_TXTIME_MISSED	2
324b15c707SJesus Sanchez-Palencia 
33f24b9be5SWillem de Bruijn /**
34f24b9be5SWillem de Bruijn  *	struct scm_timestamping - timestamps exposed through cmsg
35f24b9be5SWillem de Bruijn  *
36f24b9be5SWillem de Bruijn  *	The timestamping interfaces SO_TIMESTAMPING, MSG_TSTAMP_*
37f24b9be5SWillem de Bruijn  *	communicate network timestamps by passing this struct in a cmsg with
38f24b9be5SWillem de Bruijn  *	recvmsg(). See Documentation/networking/timestamping.txt for details.
39f24b9be5SWillem de Bruijn  */
40f24b9be5SWillem de Bruijn struct scm_timestamping {
41f24b9be5SWillem de Bruijn 	struct timespec ts[3];
42f24b9be5SWillem de Bruijn };
43f24b9be5SWillem de Bruijn 
44*9718475eSDeepa Dinamani struct scm_timestamping64 {
45*9718475eSDeepa Dinamani 	struct __kernel_timespec ts[3];
46*9718475eSDeepa Dinamani };
47*9718475eSDeepa Dinamani 
48f24b9be5SWillem de Bruijn /* The type of scm_timestamping, passed in sock_extended_err ee_info.
49f24b9be5SWillem de Bruijn  * This defines the type of ts[0]. For SCM_TSTAMP_SND only, if ts[0]
50f24b9be5SWillem de Bruijn  * is zero, then this is a hardware timestamp and recorded in ts[2].
51f24b9be5SWillem de Bruijn  */
52f24b9be5SWillem de Bruijn enum {
53f24b9be5SWillem de Bruijn 	SCM_TSTAMP_SND,		/* driver passed skb to NIC, or HW */
54e7fd2885SWillem de Bruijn 	SCM_TSTAMP_SCHED,	/* data entered the packet scheduler */
55e1c8a607SWillem de Bruijn 	SCM_TSTAMP_ACK,		/* data acknowledged by peer */
56f24b9be5SWillem de Bruijn };
57607ca46eSDavid Howells 
58607ca46eSDavid Howells #endif /* _UAPI_LINUX_ERRQUEUE_H */
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