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authorMauro Carvalho Chehab <mchehab@redhat.com>2012-10-17 09:32:49 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-10-17 09:32:49 -0300
commit214e2ca2b82d335935a861c253fe94c61ad77aad (patch)
treeeee42ff74d10470789d919b8499737ad0e919360 /include/uapi/linux/net_tstamp.h
parent1fdead8ad31d3aa833bc37739273fcde89ace93c (diff)
parentddffeb8c4d0331609ef2581d84de4d763607bd37 (diff)
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Merge tag 'v3.7-rc1' into staging/for_v3.8
Linux 3.7-rc1 * tag 'v3.7-rc1': (9579 commits) Linux 3.7-rc1 x86, boot: Explicitly include autoconf.h for hostprogs perf: Fix UAPI fallout ARM: config: make sure that platforms are ordered by option string ARM: config: sort select statements alphanumerically UAPI: (Scripted) Disintegrate include/linux/byteorder UAPI: (Scripted) Disintegrate include/linux UAPI: Unexport linux/blk_types.h UAPI: Unexport part of linux/ppp-comp.h perf: Handle new rbtree implementation procfs: don't need a PATH_MAX allocation to hold a string representation of an int vfs: embed struct filename inside of names_cache allocation if possible audit: make audit_inode take struct filename vfs: make path_openat take a struct filename pointer vfs: turn do_path_lookup into wrapper around struct filename variant audit: allow audit code to satisfy getname requests from its names_list vfs: define struct filename and have getname() return it btrfs: Fix compilation with user namespace support enabled userns: Fix posix_acl_file_xattr_userns gid conversion userns: Properly print bluetooth socket uids ...
Diffstat (limited to 'include/uapi/linux/net_tstamp.h')
-rw-r--r--include/uapi/linux/net_tstamp.h113
1 files changed, 113 insertions, 0 deletions
diff --git a/include/uapi/linux/net_tstamp.h b/include/uapi/linux/net_tstamp.h
new file mode 100644
index 000000000000..ae5df122e42f
--- /dev/null
+++ b/include/uapi/linux/net_tstamp.h
@@ -0,0 +1,113 @@
+/*
+ * 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 hwtstamp_tx_types {
+ /*
+ * 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,
+
+ /*
+ * Enables time stamping for outgoing packets just as
+ * HWTSTAMP_TX_ON does, but also enables time stamp insertion
+ * directly into Sync packets. In this case, transmitted Sync
+ * packets will not received a time stamp via the socket error
+ * queue.
+ */
+ HWTSTAMP_TX_ONESTEP_SYNC,
+};
+
+/* possible values for hwtstamp_config->rx_filter */
+enum hwtstamp_rx_filters {
+ /* 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 */