Merge branch 'linus' into release

Conflicts:
	arch/x86/kernel/cpu/cpufreq/longhaul.c

Signed-off-by: Len Brown <len.brown@intel.com>

1 files changed, 104 insertions, 0 deletions

diff --git a/include/linux/net_tstamp.h b/include/linux/net_tstamp.h
new file mode 100644
index 000000000000..a3b8546354ac
--- /dev/null
+++ b/include/linux/net_tstamp.h
@@ -0,0 +1,104 @@
+/*
+ * Userspace API for hardware time stamping of network packets
+ *
+ * Copyright (C) 2008,2009 Intel Corporation
+ * Author: Patrick Ohly <patrick.ohly@intel.com>
+ *
+ */
+
+#ifndef _NET_TIMESTAMPING_H
+#define _NET_TIMESTAMPING_H
+
+#include <linux/socket.h>   /* for SO_TIMESTAMPING */
+
+/* SO_TIMESTAMPING gets an integer bit field comprised of these values */
+enum {
+        SOF_TIMESTAMPING_TX_HARDWARE = (1<<0),
+        SOF_TIMESTAMPING_TX_SOFTWARE = (1<<1),
+        SOF_TIMESTAMPING_RX_HARDWARE = (1<<2),
+        SOF_TIMESTAMPING_RX_SOFTWARE = (1<<3),
+        SOF_TIMESTAMPING_SOFTWARE = (1<<4),
+        SOF_TIMESTAMPING_SYS_HARDWARE = (1<<5),
+        SOF_TIMESTAMPING_RAW_HARDWARE = (1<<6),
+        SOF_TIMESTAMPING_MASK =
+        (SOF_TIMESTAMPING_RAW_HARDWARE - 1) |
+        SOF_TIMESTAMPING_RAW_HARDWARE
+};
+
+/**
+ * struct hwtstamp_config - %SIOCSHWTSTAMP parameter
+ *
+ * @flags:      no flags defined right now, must be zero
+ * @tx_type:    one of HWTSTAMP_TX_*
+ * @rx_type:    one of one of HWTSTAMP_FILTER_*
+ *
+ * %SIOCSHWTSTAMP expects a &struct ifreq with a ifr_data pointer to
+ * this structure. dev_ifsioc() in the kernel takes care of the
+ * translation between 32 bit userspace and 64 bit kernel. The
+ * structure is intentionally chosen so that it has the same layout on
+ * 32 and 64 bit systems, don't break this!
+ */
+struct hwtstamp_config {
+        int flags;
+        int tx_type;
+        int rx_filter;
+};
+
+/* possible values for hwtstamp_config->tx_type */
+enum {
+        /*
+         * No outgoing packet will need hardware time stamping;
+         * should a packet arrive which asks for it, no hardware
+         * time stamping will be done.
+         */
+        HWTSTAMP_TX_OFF,
+
+        /*
+         * Enables hardware time stamping for outgoing packets;
+         * the sender of the packet decides which are to be
+         * time stamped by setting %SOF_TIMESTAMPING_TX_SOFTWARE
+         * before sending the packet.
+         */
+        HWTSTAMP_TX_ON,
+};
+
+/* possible values for hwtstamp_config->rx_filter */
+enum {
+        /* time stamp no incoming packet at all */
+        HWTSTAMP_FILTER_NONE,
+
+        /* time stamp any incoming packet */
+        HWTSTAMP_FILTER_ALL,
+
+        /* return value: time stamp all packets requested plus some others */
+        HWTSTAMP_FILTER_SOME,
+
+        /* PTP v1, UDP, any kind of event packet */
+        HWTSTAMP_FILTER_PTP_V1_L4_EVENT,
+        /* PTP v1, UDP, Sync packet */
+        HWTSTAMP_FILTER_PTP_V1_L4_SYNC,
+        /* PTP v1, UDP, Delay_req packet */
+        HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ,
+        /* PTP v2, UDP, any kind of event packet */
+        HWTSTAMP_FILTER_PTP_V2_L4_EVENT,
+        /* PTP v2, UDP, Sync packet */
+        HWTSTAMP_FILTER_PTP_V2_L4_SYNC,
+        /* PTP v2, UDP, Delay_req packet */
+        HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ,
+
+        /* 802.AS1, Ethernet, any kind of event packet */
+        HWTSTAMP_FILTER_PTP_V2_L2_EVENT,
+        /* 802.AS1, Ethernet, Sync packet */
+        HWTSTAMP_FILTER_PTP_V2_L2_SYNC,
+        /* 802.AS1, Ethernet, Delay_req packet */
+        HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ,
+
+        /* PTP v2/802.AS1, any layer, any kind of event packet */
+        HWTSTAMP_FILTER_PTP_V2_EVENT,
+        /* PTP v2/802.AS1, any layer, Sync packet */
+        HWTSTAMP_FILTER_PTP_V2_SYNC,
+        /* PTP v2/802.AS1, any layer, Delay_req packet */
+        HWTSTAMP_FILTER_PTP_V2_DELAY_REQ,
+};
+
+#endif /* _NET_TIMESTAMPING_H */