1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 #ifndef _UAPI_LINUX_ERRQUEUE_H
3 #define _UAPI_LINUX_ERRQUEUE_H
5 #include <linux/types.h>
6 #include <linux/time_types.h>
8 struct sock_extended_err {
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
27 #define SO_EE_OFFENDER(ee) ((struct sockaddr*)((ee)+1))
29 #define SO_EE_CODE_ZEROCOPY_COPIED 1
31 #define SO_EE_CODE_TXTIME_INVALID_PARAM 1
32 #define SO_EE_CODE_TXTIME_MISSED 2
35 * struct scm_timestamping - timestamps exposed through cmsg
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 * User space sees a timespec definition that matches either
41 * __kernel_timespec or __kernel_old_timespec, in the kernel we
42 * require two structure definitions to provide both.
44 struct scm_timestamping {
46 struct __kernel_old_timespec ts[3];
48 struct timespec ts[3];
52 struct scm_timestamping64 {
53 struct __kernel_timespec ts[3];
56 /* The type of scm_timestamping, passed in sock_extended_err ee_info.
57 * This defines the type of ts[0]. For SCM_TSTAMP_SND only, if ts[0]
58 * is zero, then this is a hardware timestamp and recorded in ts[2].
61 SCM_TSTAMP_SND, /* driver passed skb to NIC, or HW */
62 SCM_TSTAMP_SCHED, /* data entered the packet scheduler */
63 SCM_TSTAMP_ACK, /* data acknowledged by peer */
66 #endif /* _UAPI_LINUX_ERRQUEUE_H */