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-rw-r--r--kernel/include/uapi/linux/errqueue.h46
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 */