[linux-2.6-block.git] / include / uapi / linux / errqueue.h

/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _UAPI_LINUX_ERRQUEUE_H
#define _UAPI_LINUX_ERRQUEUE_H

#include <linux/types.h>
#include <linux/time_types.h>

struct sock_extended_err {
	__u32	ee_errno;	
	__u8	ee_origin;
	__u8	ee_type;
	__u8	ee_code;
	__u8	ee_pad;
	__u32   ee_info;
	__u32   ee_data;
};

#define SO_EE_ORIGIN_NONE	0
#define SO_EE_ORIGIN_LOCAL	1
#define SO_EE_ORIGIN_ICMP	2
#define SO_EE_ORIGIN_ICMP6	3
#define SO_EE_ORIGIN_TXSTATUS	4
#define SO_EE_ORIGIN_ZEROCOPY	5
#define SO_EE_ORIGIN_TXTIME	6
#define SO_EE_ORIGIN_TIMESTAMPING SO_EE_ORIGIN_TXSTATUS

#define SO_EE_OFFENDER(ee)	((struct sockaddr*)((ee)+1))

#define SO_EE_CODE_ZEROCOPY_COPIED	1

#define SO_EE_CODE_TXTIME_INVALID_PARAM	1
#define SO_EE_CODE_TXTIME_MISSED	2

/**
 *	struct scm_timestamping - timestamps exposed through cmsg
 *
 *	The timestamping interfaces SO_TIMESTAMPING, MSG_TSTAMP_*
 *	communicate network timestamps by passing this struct in a cmsg with
 *	recvmsg(). See Documentation/networking/timestamping.txt for details.
 */
struct scm_timestamping {
	struct timespec ts[3];
};

struct scm_timestamping64 {
	struct __kernel_timespec ts[3];
};

/* The type of scm_timestamping, passed in sock_extended_err ee_info.
 * This defines the type of ts[0]. For SCM_TSTAMP_SND only, if ts[0]
 * is zero, then this is a hardware timestamp and recorded in ts[2].
 */
enum {
	SCM_TSTAMP_SND,		/* driver passed skb to NIC, or HW */
	SCM_TSTAMP_SCHED,	/* data entered the packet scheduler */
	SCM_TSTAMP_ACK,		/* data acknowledged by peer */
};

#endif /* _UAPI_LINUX_ERRQUEUE_H */
Commit	Line	Data
6f52b16c	1	/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
607ca46e DH	2	#ifndef _UAPI_LINUX_ERRQUEUE_H
	3	#define _UAPI_LINUX_ERRQUEUE_H
	4
	5	#include <linux/types.h>
460a2db0	6	#include <linux/time_types.h>
607ca46e DH	7
	8	struct sock_extended_err {
	9	__u32 ee_errno;
	10	__u8 ee_origin;
	11	__u8 ee_type;
	12	__u8 ee_code;
	13	__u8 ee_pad;
	14	__u32 ee_info;
	15	__u32 ee_data;
	16	};
	17
	18	#define SO_EE_ORIGIN_NONE 0
	19	#define SO_EE_ORIGIN_LOCAL 1
	20	#define SO_EE_ORIGIN_ICMP 2
	21	#define SO_EE_ORIGIN_ICMP6 3
	22	#define SO_EE_ORIGIN_TXSTATUS 4
52267790	23	#define SO_EE_ORIGIN_ZEROCOPY 5
4b15c707	24	#define SO_EE_ORIGIN_TXTIME 6
607ca46e DH	25	#define SO_EE_ORIGIN_TIMESTAMPING SO_EE_ORIGIN_TXSTATUS
	26
	27	#define SO_EE_OFFENDER(ee) ((struct sockaddr*)((ee)+1))
	28
52267790 WB	29	#define SO_EE_CODE_ZEROCOPY_COPIED 1
52267790 WB	30
4b15c707 JSP	31	#define SO_EE_CODE_TXTIME_INVALID_PARAM 1
	32	#define SO_EE_CODE_TXTIME_MISSED 2
	33
f24b9be5 WB	34	/**
	35	* struct scm_timestamping - timestamps exposed through cmsg
	36	*
	37	* The timestamping interfaces SO_TIMESTAMPING, MSG_TSTAMP_*
	38	* communicate network timestamps by passing this struct in a cmsg with
	39	* recvmsg(). See Documentation/networking/timestamping.txt for details.
	40	*/
	41	struct scm_timestamping {
	42	struct timespec ts[3];
	43	};
	44
9718475e DD	45	struct scm_timestamping64 {
	46	struct __kernel_timespec ts[3];
	47	};
	48
f24b9be5 WB	49	/* The type of scm_timestamping, passed in sock_extended_err ee_info.
	50	* This defines the type of ts[0]. For SCM_TSTAMP_SND only, if ts[0]
	51	* is zero, then this is a hardware timestamp and recorded in ts[2].
	52	*/
	53	enum {
	54	SCM_TSTAMP_SND, /* driver passed skb to NIC, or HW */
e7fd2885	55	SCM_TSTAMP_SCHED, /* data entered the packet scheduler */
e1c8a607	56	SCM_TSTAMP_ACK, /* data acknowledged by peer */
f24b9be5	57	};
607ca46e DH	58
607ca46e DH	59	#endif /* _UAPI_LINUX_ERRQUEUE_H */