Merge branch 'cpuidle' of https://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux...
[linux-2.6-block.git] / include / uapi / linux / errqueue.h
CommitLineData
607ca46e
DH
1#ifndef _UAPI_LINUX_ERRQUEUE_H
2#define _UAPI_LINUX_ERRQUEUE_H
3
4#include <linux/types.h>
5
6struct sock_extended_err {
7 __u32 ee_errno;
8 __u8 ee_origin;
9 __u8 ee_type;
10 __u8 ee_code;
11 __u8 ee_pad;
12 __u32 ee_info;
13 __u32 ee_data;
14};
15
16#define SO_EE_ORIGIN_NONE 0
17#define SO_EE_ORIGIN_LOCAL 1
18#define SO_EE_ORIGIN_ICMP 2
19#define SO_EE_ORIGIN_ICMP6 3
20#define SO_EE_ORIGIN_TXSTATUS 4
21#define SO_EE_ORIGIN_TIMESTAMPING SO_EE_ORIGIN_TXSTATUS
22
23#define SO_EE_OFFENDER(ee) ((struct sockaddr*)((ee)+1))
24
f24b9be5
WB
25/**
26 * struct scm_timestamping - timestamps exposed through cmsg
27 *
28 * The timestamping interfaces SO_TIMESTAMPING, MSG_TSTAMP_*
29 * communicate network timestamps by passing this struct in a cmsg with
30 * recvmsg(). See Documentation/networking/timestamping.txt for details.
31 */
32struct scm_timestamping {
33 struct timespec ts[3];
34};
35
36/* The type of scm_timestamping, passed in sock_extended_err ee_info.
37 * This defines the type of ts[0]. For SCM_TSTAMP_SND only, if ts[0]
38 * is zero, then this is a hardware timestamp and recorded in ts[2].
39 */
40enum {
41 SCM_TSTAMP_SND, /* driver passed skb to NIC, or HW */
e7fd2885 42 SCM_TSTAMP_SCHED, /* data entered the packet scheduler */
e1c8a607 43 SCM_TSTAMP_ACK, /* data acknowledged by peer */
f24b9be5 44};
607ca46e
DH
45
46#endif /* _UAPI_LINUX_ERRQUEUE_H */