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(I'm so sorry!) Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220/* 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 _UAPI_NET_TIMESTAMPING_H#define _UAPI_NET_TIMESTAMPING_H
#include <linux/types.h>#include <linux/socket.h> /* for SO_TIMESTAMPING */
/* * Possible type of hwtstamp provider. Mainly "precise" the default one * is for IEEE 1588 quality and "approx" is for NICs DMA point. */enum hwtstamp_provider_qualifier { HWTSTAMP_PROVIDER_QUALIFIER_PRECISE, HWTSTAMP_PROVIDER_QUALIFIER_APPROX,
HWTSTAMP_PROVIDER_QUALIFIER_CNT,};
/* SO_TIMESTAMPING flags */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_BIND_PHC = (1 << 15), SOF_TIMESTAMPING_OPT_ID_TCP = (1 << 16), SOF_TIMESTAMPING_OPT_RX_FILTER = (1 << 17), SOF_TIMESTAMPING_TX_COMPLETION = (1 << 18),
SOF_TIMESTAMPING_LAST = SOF_TIMESTAMPING_TX_COMPLETION, 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 | \ SOF_TIMESTAMPING_TX_COMPLETION)
/** * struct so_timestamping - SO_TIMESTAMPING parameter * * @flags: SO_TIMESTAMPING flags * @bind_phc: Index of PTP virtual clock bound to sock. This is available * if flag SOF_TIMESTAMPING_BIND_PHC is set. */struct so_timestamping { int flags; int bind_phc;};
/** * 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 /* _UAPI_NET_TIMESTAMPING_H */