1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 #ifndef _UAPI_LINUX_ERRQUEUE_H
3 #define _UAPI_LINUX_ERRQUEUE_H
4
5 #include <linux/types.h>
6 #include <linux/time_types.h>
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
23 #define SO_EE_ORIGIN_ZEROCOPY 5
24 #define SO_EE_ORIGIN_TXTIME 6
25 #define SO_EE_ORIGIN_TIMESTAMPING SO_EE_ORIGIN_TXSTATUS
26
27 #define SO_EE_OFFENDER(ee) ((struct sockaddr*)((ee)+1))
28
29 #define SO_EE_CODE_ZEROCOPY_COPIED 1
30
31 #define SO_EE_CODE_TXTIME_INVALID_PARAM 1
32 #define SO_EE_CODE_TXTIME_MISSED 2
33
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
45 struct scm_timestamping64 {
46 struct __kernel_timespec ts[3];
47 };
48
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 */
55 SCM_TSTAMP_SCHED, /* data entered the packet scheduler */
56 SCM_TSTAMP_ACK, /* data acknowledged by peer */
57 };
58
59 #endif /* _UAPI_LINUX_ERRQUEUE_H */