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Edit File : net_tstamp.h \| Size : 5.67 KB
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note / / * 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/types.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_OPT_ID = (1<<7), SOF_TIMESTAMPING_TX_SCHED = (1<<8), SOF_TIMESTAMPING_TX_ACK = (1<<9), SOF_TIMESTAMPING_OPT_CMSG = (1<<10), SOF_TIMESTAMPING_OPT_TSONLY = (1<<11), SOF_TIMESTAMPING_OPT_STATS = (1<<12), SOF_TIMESTAMPING_OPT_PKTINFO = (1<<13), SOF_TIMESTAMPING_OPT_TX_SWHW = (1<<14), SOF_TIMESTAMPING_LAST = SOF_TIMESTAMPING_OPT_TX_SWHW, SOF_TIMESTAMPING_MASK = (SOF_TIMESTAMPING_LAST - 1) \| SOF_TIMESTAMPING_LAST }; / * SO_TIMESTAMPING flags are either for recording a packet timestamp or for * reporting the timestamp to user space. * Recording flags can be set both via socket options and control messages. / #define SOF_TIMESTAMPING_TX_RECORD_MASK (SOF_TIMESTAMPING_TX_HARDWARE \| \ SOF_TIMESTAMPING_TX_SOFTWARE \| \ SOF_TIMESTAMPING_TX_SCHED \| \ SOF_TIMESTAMPING_TX_ACK) /* * struct hwtstamp_config - %SIOCGHWTSTAMP and %SIOCSHWTSTAMP parameter * * @flags: one of HWTSTAMP_FLAG_* * @tx_type: one of HWTSTAMP_TX_* * @rx_filter: one of HWTSTAMP_FILTER_* * * %SIOCGHWTSTAMP and %SIOCSHWTSTAMP expect a &struct ifreq with a * ifr_data pointer to this structure. For %SIOCSHWTSTAMP, if the * driver or hardware does not support the requested @rx_filter value, * the driver may use a more general filter mode. In this case * @rx_filter will indicate the actual mode on return. / struct hwtstamp_config { int flags; int tx_type; int rx_filter; }; / possible values for hwtstamp_config->flags / enum hwtstamp_flags { / * With this flag, the user could get bond active interface's * PHC index. Note this PHC index is not stable as when there * is a failover, the bond active interface will be changed, so * will be the PHC index. / HWTSTAMP_FLAG_BONDED_PHC_INDEX = (1<<0), #define HWTSTAMP_FLAG_BONDED_PHC_INDEX HWTSTAMP_FLAG_BONDED_PHC_INDEX HWTSTAMP_FLAG_LAST = HWTSTAMP_FLAG_BONDED_PHC_INDEX, HWTSTAMP_FLAG_MASK = (HWTSTAMP_FLAG_LAST - 1) \| HWTSTAMP_FLAG_LAST }; / 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, / * Same as HWTSTAMP_TX_ONESTEP_SYNC, but also enables time * stamp insertion directly into PDelay_Resp packets. In this * case, neither transmitted Sync nor PDelay_Resp packets will * receive a time stamp via the socket error queue. / HWTSTAMP_TX_ONESTEP_P2P, / add new constants above here / __HWTSTAMP_TX_CNT }; / 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, / NTP, UDP, all versions and packet modes / HWTSTAMP_FILTER_NTP_ALL, / add new constants above here / __HWTSTAMP_FILTER_CNT }; / SCM_TIMESTAMPING_PKTINFO control message / struct scm_ts_pktinfo { __u32 if_index; __u32 pkt_length; __u32 reserved[2]; }; / * SO_TXTIME gets a struct sock_txtime with flags being an integer bit * field comprised of these values. / enum txtime_flags { SOF_TXTIME_DEADLINE_MODE = (1 << 0), SOF_TXTIME_REPORT_ERRORS = (1 << 1), SOF_TXTIME_FLAGS_LAST = SOF_TXTIME_REPORT_ERRORS, SOF_TXTIME_FLAGS_MASK = (SOF_TXTIME_FLAGS_LAST - 1) \| SOF_TXTIME_FLAGS_LAST }; struct sock_txtime { __kernel_clockid_t clockid;/ reference clockid / __u32 flags; / as defined by enum txtime_flags / }; #endif / _NET_TIMESTAMPING_H */ Back

Edit File : net_tstamp.h | Size : 5.67 KB

/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
 * 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/types.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_OPT_ID = (1<<7),
	SOF_TIMESTAMPING_TX_SCHED = (1<<8),
	SOF_TIMESTAMPING_TX_ACK = (1<<9),
	SOF_TIMESTAMPING_OPT_CMSG = (1<<10),
	SOF_TIMESTAMPING_OPT_TSONLY = (1<<11),
	SOF_TIMESTAMPING_OPT_STATS = (1<<12),
	SOF_TIMESTAMPING_OPT_PKTINFO = (1<<13),
	SOF_TIMESTAMPING_OPT_TX_SWHW = (1<<14),

SOF_TIMESTAMPING_LAST = SOF_TIMESTAMPING_OPT_TX_SWHW,
	SOF_TIMESTAMPING_MASK = (SOF_TIMESTAMPING_LAST - 1) |
				 SOF_TIMESTAMPING_LAST
};

/*
 * SO_TIMESTAMPING flags are either for recording a packet timestamp or for
 * reporting the timestamp to user space.
 * Recording flags can be set both via socket options and control messages.
 */
#define SOF_TIMESTAMPING_TX_RECORD_MASK	(SOF_TIMESTAMPING_TX_HARDWARE | \
					 SOF_TIMESTAMPING_TX_SOFTWARE | \
					 SOF_TIMESTAMPING_TX_SCHED | \
					 SOF_TIMESTAMPING_TX_ACK)

/**
 * struct hwtstamp_config - %SIOCGHWTSTAMP and %SIOCSHWTSTAMP parameter
 *
 * @flags:	one of HWTSTAMP_FLAG_*
 * @tx_type:	one of HWTSTAMP_TX_*
 * @rx_filter:	one of HWTSTAMP_FILTER_*
 *
 * %SIOCGHWTSTAMP and %SIOCSHWTSTAMP expect a &struct ifreq with a
 * ifr_data pointer to this structure.  For %SIOCSHWTSTAMP, if the
 * driver or hardware does not support the requested @rx_filter value,
 * the driver may use a more general filter mode.  In this case
 * @rx_filter will indicate the actual mode on return.
 */
struct hwtstamp_config {
	int flags;
	int tx_type;
	int rx_filter;
};

/* possible values for hwtstamp_config->flags */
enum hwtstamp_flags {
	/*
	 * With this flag, the user could get bond active interface's
	 * PHC index. Note this PHC index is not stable as when there
	 * is a failover, the bond active interface will be changed, so
	 * will be the PHC index.
	 */
	HWTSTAMP_FLAG_BONDED_PHC_INDEX = (1<<0),
#define HWTSTAMP_FLAG_BONDED_PHC_INDEX	HWTSTAMP_FLAG_BONDED_PHC_INDEX

HWTSTAMP_FLAG_LAST = HWTSTAMP_FLAG_BONDED_PHC_INDEX,
	HWTSTAMP_FLAG_MASK = (HWTSTAMP_FLAG_LAST - 1) | HWTSTAMP_FLAG_LAST
};

/* 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,

/*
	 * Same as HWTSTAMP_TX_ONESTEP_SYNC, but also enables time
	 * stamp insertion directly into PDelay_Resp packets. In this
	 * case, neither transmitted Sync nor PDelay_Resp packets will
	 * receive a time stamp via the socket error queue.
	 */
	HWTSTAMP_TX_ONESTEP_P2P,

/* add new constants above here */
	__HWTSTAMP_TX_CNT
};

/* 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,

/* NTP, UDP, all versions and packet modes */
	HWTSTAMP_FILTER_NTP_ALL,

/* add new constants above here */
	__HWTSTAMP_FILTER_CNT
};

/* SCM_TIMESTAMPING_PKTINFO control message */
struct scm_ts_pktinfo {
	__u32 if_index;
	__u32 pkt_length;
	__u32 reserved[2];
};

/*
 * SO_TXTIME gets a struct sock_txtime with flags being an integer bit
 * field comprised of these values.
 */
enum txtime_flags {
	SOF_TXTIME_DEADLINE_MODE = (1 << 0),
	SOF_TXTIME_REPORT_ERRORS = (1 << 1),

SOF_TXTIME_FLAGS_LAST = SOF_TXTIME_REPORT_ERRORS,
	SOF_TXTIME_FLAGS_MASK = (SOF_TXTIME_FLAGS_LAST - 1) |
				 SOF_TXTIME_FLAGS_LAST
};

struct sock_txtime {
	__kernel_clockid_t	clockid;/* reference clockid */
	__u32			flags;	/* as defined by enum txtime_flags */
};

#endif /* _NET_TIMESTAMPING_H */

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