diff options
Diffstat (limited to 'include/uapi/linux/errqueue.h')
| -rw-r--r-- | include/uapi/linux/errqueue.h | 55 |
1 files changed, 54 insertions, 1 deletions
diff --git a/include/uapi/linux/errqueue.h b/include/uapi/linux/errqueue.h index aacd4fb7102a..1ea47309d772 100644 --- a/include/uapi/linux/errqueue.h +++ b/include/uapi/linux/errqueue.h @@ -1,7 +1,16 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _UAPI_LINUX_ERRQUEUE_H #define _UAPI_LINUX_ERRQUEUE_H #include <linux/types.h> +#include <linux/time_types.h> + +/* RFC 4884: return offset to extension struct + validation */ +struct sock_ee_data_rfc4884 { + __u16 len; + __u8 flags; + __u8 reserved; +}; struct sock_extended_err { __u32 ee_errno; @@ -10,7 +19,10 @@ struct sock_extended_err { __u8 ee_code; __u8 ee_pad; __u32 ee_info; - __u32 ee_data; + union { + __u32 ee_data; + struct sock_ee_data_rfc4884 ee_rfc4884; + }; }; #define SO_EE_ORIGIN_NONE 0 @@ -18,9 +30,50 @@ struct sock_extended_err { #define SO_EE_ORIGIN_ICMP 2 #define SO_EE_ORIGIN_ICMP6 3 #define SO_EE_ORIGIN_TXSTATUS 4 +#define SO_EE_ORIGIN_ZEROCOPY 5 +#define SO_EE_ORIGIN_TXTIME 6 #define SO_EE_ORIGIN_TIMESTAMPING SO_EE_ORIGIN_TXSTATUS #define SO_EE_OFFENDER(ee) ((struct sockaddr*)((ee)+1)) +#define SO_EE_CODE_ZEROCOPY_COPIED 1 + +#define SO_EE_CODE_TXTIME_INVALID_PARAM 1 +#define SO_EE_CODE_TXTIME_MISSED 2 + +#define SO_EE_RFC4884_FLAG_INVALID 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.rst for details. + * User space sees a timespec definition that matches either + * __kernel_timespec or __kernel_old_timespec, in the kernel we + * require two structure definitions to provide both. + */ +struct scm_timestamping { +#ifdef __KERNEL__ + struct __kernel_old_timespec ts[3]; +#else + struct timespec ts[3]; +#endif +}; + +struct scm_timestamping64 { + struct __kernel_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 */ + SCM_TSTAMP_COMPLETION, /* packet tx completion */ +}; #endif /* _UAPI_LINUX_ERRQUEUE_H */ |