Update kernel headers to v3.18.3.

Bug: 19127803
Change-Id: I67fa0832322ddd0032d909476047578be052bcf2
diff --git a/libc/kernel/uapi/linux/net_tstamp.h b/libc/kernel/uapi/linux/net_tstamp.h
index 1e9ffd7..06f6cb1 100644
--- a/libc/kernel/uapi/linux/net_tstamp.h
+++ b/libc/kernel/uapi/linux/net_tstamp.h
@@ -29,43 +29,47 @@
  SOF_TIMESTAMPING_SOFTWARE = (1<<4),
  SOF_TIMESTAMPING_SYS_HARDWARE = (1<<5),
  SOF_TIMESTAMPING_RAW_HARDWARE = (1<<6),
- SOF_TIMESTAMPING_MASK =
+ SOF_TIMESTAMPING_OPT_ID = (1<<7),
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- (SOF_TIMESTAMPING_RAW_HARDWARE - 1) |
- SOF_TIMESTAMPING_RAW_HARDWARE
+ SOF_TIMESTAMPING_TX_SCHED = (1<<8),
+ SOF_TIMESTAMPING_TX_ACK = (1<<9),
+ SOF_TIMESTAMPING_LAST = SOF_TIMESTAMPING_TX_ACK,
+ SOF_TIMESTAMPING_MASK = (SOF_TIMESTAMPING_LAST - 1) |
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ SOF_TIMESTAMPING_LAST
 };
 struct hwtstamp_config {
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  int flags;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  int tx_type;
  int rx_filter;
 };
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 enum hwtstamp_tx_types {
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  HWTSTAMP_TX_OFF,
  HWTSTAMP_TX_ON,
  HWTSTAMP_TX_ONESTEP_SYNC,
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 enum hwtstamp_rx_filters {
  HWTSTAMP_FILTER_NONE,
  HWTSTAMP_FILTER_ALL,
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  HWTSTAMP_FILTER_SOME,
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  HWTSTAMP_FILTER_PTP_V1_L4_EVENT,
  HWTSTAMP_FILTER_PTP_V1_L4_SYNC,
  HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ,
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  HWTSTAMP_FILTER_PTP_V2_L4_EVENT,
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  HWTSTAMP_FILTER_PTP_V2_L4_SYNC,
  HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ,
  HWTSTAMP_FILTER_PTP_V2_L2_EVENT,
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  HWTSTAMP_FILTER_PTP_V2_L2_SYNC,
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ,
  HWTSTAMP_FILTER_PTP_V2_EVENT,
  HWTSTAMP_FILTER_PTP_V2_SYNC,
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  HWTSTAMP_FILTER_PTP_V2_DELAY_REQ,
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
 #endif