Linux kernel mirror (for testing)
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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_ZEROCOPY 5
22#define SO_EE_ORIGIN_TIMESTAMPING SO_EE_ORIGIN_TXSTATUS
23
24#define SO_EE_OFFENDER(ee) ((struct sockaddr*)((ee)+1))
25
26#define SO_EE_CODE_ZEROCOPY_COPIED 1
27
28/**
29 * struct scm_timestamping - timestamps exposed through cmsg
30 *
31 * The timestamping interfaces SO_TIMESTAMPING, MSG_TSTAMP_*
32 * communicate network timestamps by passing this struct in a cmsg with
33 * recvmsg(). See Documentation/networking/timestamping.txt for details.
34 */
35struct scm_timestamping {
36 struct timespec ts[3];
37};
38
39/* The type of scm_timestamping, passed in sock_extended_err ee_info.
40 * This defines the type of ts[0]. For SCM_TSTAMP_SND only, if ts[0]
41 * is zero, then this is a hardware timestamp and recorded in ts[2].
42 */
43enum {
44 SCM_TSTAMP_SND, /* driver passed skb to NIC, or HW */
45 SCM_TSTAMP_SCHED, /* data entered the packet scheduler */
46 SCM_TSTAMP_ACK, /* data acknowledged by peer */
47};
48
49#endif /* _UAPI_LINUX_ERRQUEUE_H */