ethtool

const (
	ETH_GSTRING_LEN = 32
	ETH_SS_STATS    = 1
	ETH_SS_FEATURES = 4

	// CMD supported
	ETHTOOL_GDRVINFO = 0x00000003 /* Get driver info. */
	ETHTOOL_GSTRINGS = 0x0000001b /* get specified string set */
	ETHTOOL_GSTATS   = 0x0000001d /* get NIC-specific statistics */
	// other CMDs from ethtool-copy.h of ethtool-3.5 package
	ETHTOOL_GSET      = 0x00000001 /* Get settings. */
	ETHTOOL_SSET      = 0x00000002 /* Set settings. */
	ETHTOOL_GMSGLVL   = 0x00000007 /* Get driver message level */
	ETHTOOL_SMSGLVL   = 0x00000008 /* Set driver msg level. */
	ETHTOOL_GCHANNELS = 0x0000003c /* Get no of channels */
	ETHTOOL_SCHANNELS = 0x0000003d /* Set no of channels */
	ETHTOOL_GCOALESCE = 0x0000000e /* Get coalesce config */
	/* Get link status for host, i.e. whether the interface *and* the
	 * physical port (if there is one) are up (ethtool_value). */
	ETHTOOL_GLINK         = 0x0000000a
	ETHTOOL_GMODULEINFO   = 0x00000042 /* Get plug-in module information */
	ETHTOOL_GMODULEEEPROM = 0x00000043 /* Get plug-in module eeprom */
	ETHTOOL_GPERMADDR     = 0x00000020 /* Get permanent hardware address */
	ETHTOOL_GFEATURES     = 0x0000003a /* Get device offload settings */
	ETHTOOL_SFEATURES     = 0x0000003b /* Change device offload settings */
	ETHTOOL_GFLAGS        = 0x00000025 /* Get flags bitmap(ethtool_value) */
	ETHTOOL_GSSET_INFO    = 0x00000037 /* Get string set info */
	ETHTOOL_GET_TS_INFO   = 0x00000041 /* Get time stamping and PHC info */
)

const (
	MAX_GSTRINGS       = 32768
	MAX_FEATURE_BLOCKS = (MAX_GSTRINGS + 32 - 1) / 32
	EEPROM_LEN         = 640
	PERMADDR_LEN       = 32
)

const (
	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)
)

const (
	/*
	 * 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 = iota

	/*
	 * 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
)

const (
	HWTSTAMP_FILTER_NONE                = iota /* time stamp no incoming packet at all */
	HWTSTAMP_FILTER_ALL                        /* time stamp any incoming packet */
	HWTSTAMP_FILTER_SOME                       /* return value: time stamp all packets requested plus some others */
	HWTSTAMP_FILTER_PTP_V1_L4_EVENT            /* PTP v1, UDP, any kind of event packet */
	HWTSTAMP_FILTER_PTP_V1_L4_SYNC             /* PTP v1, UDP, Sync packet */
	HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ        /* PTP v1, UDP, Delay_req packet */
	HWTSTAMP_FILTER_PTP_V2_L4_EVENT            /* PTP v2, UDP, any kind of event packet */
	HWTSTAMP_FILTER_PTP_V2_L4_SYNC             /* PTP v2, UDP, Sync packet */
	HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ        /* PTP v2, UDP, Delay_req packet */
	HWTSTAMP_FILTER_PTP_V2_L2_EVENT            /* 802.AS1, Ethernet, any kind of event packet */
	HWTSTAMP_FILTER_PTP_V2_L2_SYNC             /* 802.AS1, Ethernet, Sync packet */
	HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ        /* 802.AS1, Ethernet, Delay_req packet */
	HWTSTAMP_FILTER_PTP_V2_EVENT               /* PTP v2/802.AS1, any layer, any kind of event packet */
	HWTSTAMP_FILTER_PTP_V2_SYNC                /* PTP v2/802.AS1, any layer, Sync packet */
	HWTSTAMP_FILTER_PTP_V2_DELAY_REQ           /* PTP v2/802.AS1, any layer, Delay_req packet */
	HWTSTAMP_FILTER_NTP_ALL                    /* NTP, UDP, all versions and packet modes */
)

const (
	IFNAMSIZ = 16
)

const (
	SIOCETHTOOL = 0x8946
)