| 1 | #ifndef _UAPI_LINUX_ERRQUEUE_H |
| 2 | #define _UAPI_LINUX_ERRQUEUE_H |
| 3 | |
| 4 | #include <linux/types.h> |
| 5 | |
| 6 | struct 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 | |
| 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 | */ |
| 32 | struct 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 | */ |
| 40 | enum { |
| 41 | SCM_TSTAMP_SND, /* driver passed skb to NIC, or HW */ |
| 42 | SCM_TSTAMP_SCHED, /* data entered the packet scheduler */ |
| 43 | SCM_TSTAMP_ACK, /* data acknowledged by peer */ |
| 44 | }; |
| 45 | |
| 46 | #endif /* _UAPI_LINUX_ERRQUEUE_H */ |