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authorTakashi Iwai <tiwai@suse.de>2014-09-03 16:57:41 +0200
committerTakashi Iwai <tiwai@suse.de>2014-09-03 16:57:41 +0200
commit05244d166739ae273fdc7a2151bdef61df49ca7d (patch)
tree9065482d33f445c90f0b99d29aa51485d1d96488 /include/uapi/linux/errqueue.h
parentacf08081adb5e8fe0519eb97bb49797ef52614d6 (diff)
parentf58f0cba15c2d0bfbc72b1eedd0a6294e8c83419 (diff)
Merge tag 'asoc-v3.17-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v3.17 A few more driver specific fixes on top of the currently pending fixes (which are already in your tree but not Linus').
Diffstat (limited to 'include/uapi/linux/errqueue.h')
-rw-r--r--include/uapi/linux/errqueue.h20
1 files changed, 20 insertions, 0 deletions
diff --git a/include/uapi/linux/errqueue.h b/include/uapi/linux/errqueue.h
index aacd4fb7102a..07bdce1f444a 100644
--- a/include/uapi/linux/errqueue.h
+++ b/include/uapi/linux/errqueue.h
@@ -22,5 +22,25 @@ struct sock_extended_err {
#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 */