diff options
Diffstat (limited to 'kernel/include/uapi/linux/errqueue.h')
| -rw-r--r-- | kernel/include/uapi/linux/errqueue.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/kernel/include/uapi/linux/errqueue.h b/kernel/include/uapi/linux/errqueue.h new file mode 100644 index 000000000..07bdce1f4 --- /dev/null +++ b/kernel/include/uapi/linux/errqueue.h @@ -0,0 +1,46 @@ +#ifndef _UAPI_LINUX_ERRQUEUE_H +#define _UAPI_LINUX_ERRQUEUE_H + +#include <linux/types.h> + +struct sock_extended_err { + __u32 ee_errno; + __u8 ee_origin; + __u8 ee_type; + __u8 ee_code; + __u8 ee_pad; + __u32 ee_info; + __u32 ee_data; +}; + +#define SO_EE_ORIGIN_NONE 0 +#define SO_EE_ORIGIN_LOCAL 1 +#define SO_EE_ORIGIN_ICMP 2 +#define SO_EE_ORIGIN_ICMP6 3 +#define SO_EE_ORIGIN_TXSTATUS 4 +#define SO_EE_ORIGIN_TIMESTAMPING SO_EE_ORIGIN_TXSTATUS + +#define SO_EE_OFFENDER(ee) ((struct sockaddr*)((ee)+1)) + +/** + * struct scm_timestamping - timestamps exposed through cmsg + * + * The timestamping interfaces SO_TIMESTAMPING, MSG_TSTAMP_* + * communicate network timestamps by passing this struct in a cmsg with + * recvmsg(). See Documentation/networking/timestamping.txt for details. + */ +struct scm_timestamping { + struct timespec ts[3]; +}; + +/* The type of scm_timestamping, passed in sock_extended_err ee_info. + * This defines the type of ts[0]. For SCM_TSTAMP_SND only, if ts[0] + * is zero, then this is a hardware timestamp and recorded in ts[2]. + */ +enum { + SCM_TSTAMP_SND, /* driver passed skb to NIC, or HW */ + SCM_TSTAMP_SCHED, /* data entered the packet scheduler */ + SCM_TSTAMP_ACK, /* data acknowledged by peer */ +}; + +#endif /* _UAPI_LINUX_ERRQUEUE_H */ |