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

Warning: That file was not part of the compilation database. It may have many parsing errors.