blob: 0c90db8c19d6fd4654db8dbe02ab774a7abfa3e2 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
|
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _LINUX_ERRQUEUE_H
#define _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.
* User space sees a timespec definition that matches either
* __kernel_timespec or __kernel_old_timespec, in the kernel we
* require two structure definitions to provide both.
*/
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 /* _LINUX_ERRQUEUE_H */
|
