fastmm::net::RxMeta Struct Reference

#include <fastmm/net/datagram_source.hpp>

Public Attributes
Cycles	t0_cycles
	rdtscp after the batch left the kernel or the RX ring
std::int64_t	t0_wall_ns
	CLOCK_REALTIME read with t0_cycles; sw_ts_ns -> T0 in one clock.
std::int64_t	sw_ts_ns
	kernel receive time (CLOCK_REALTIME), 0 when unavailable
std::int64_t	hw_ts_ns
	raw NIC (PHC) time, 0 when unavailable; not CLOCK_REALTIME
std::uint32_t	src_ip
	network byte order
std::uint32_t	dst_ip
	network byte order: the subscription's group
std::uint16_t	dst_port
	host byte order
std::uint8_t	line
	subscription index (A/B)

Member Data Documentation

t0_cycles

Cycles fastmm::net::RxMeta::t0_cycles

rdtscp after the batch left the kernel or the RX ring

t0_wall_ns

std::int64_t fastmm::net::RxMeta::t0_wall_ns

CLOCK_REALTIME read with t0_cycles; sw_ts_ns -> T0 in one clock.

sw_ts_ns

std::int64_t fastmm::net::RxMeta::sw_ts_ns

kernel receive time (CLOCK_REALTIME), 0 when unavailable

hw_ts_ns

std::int64_t fastmm::net::RxMeta::hw_ts_ns

raw NIC (PHC) time, 0 when unavailable; not CLOCK_REALTIME

src_ip

std::uint32_t fastmm::net::RxMeta::src_ip

network byte order

dst_ip

std::uint32_t fastmm::net::RxMeta::dst_ip

network byte order: the subscription's group

dst_port

std::uint16_t fastmm::net::RxMeta::dst_port

host byte order

line

std::uint8_t fastmm::net::RxMeta::line

subscription index (A/B)