Differential D54564 Diff 169222 share/man/man4/iflib.4

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share/man/man4/iflib.4

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	task servicing the TX ring.			task servicing the TX ring.
	This ensures that whenever there is a pending transmission,			This ensures that whenever there is a pending transmission,
	the transmit ring is being serviced.			the transmit ring is being serviced.
	This results in higher transmit throughput.			This results in higher transmit throughput.
	If set to a non-zero value, task returns immediately and the transmit			If set to a non-zero value, task returns immediately and the transmit
	ring is serviced by a different task.			ring is serviced by a different task.
	This returns control to the caller faster and under high receive load,			This returns control to the caller faster and under high receive load,
	may result in fewer dropped RX frames.			may result in fewer dropped RX frames.
				.It Va tx_reclaim_thresh
				Controls the threshold in packets before iflib will ask the driver
				how many transmitted packets can be reclaimed.
				Determining how many many packets can be reclaimed can be expensive
				on some drivers.
				.It Va tx_reclaim_ticks
				Controls the time in ticks before iflib will ask the driver
				how many transmitted packets can be reclaimed.
				Determining how many many packets can be reclaimed can be expensive
				on some drivers.
	.It Va rx_budget			.It Va rx_budget
				ziaeeUnsubmitted Not Done Inline Actions Can we put this one in the commit that will change the behavior? The above two shipped in 15.0 and should be mfc'ed. ziaee: Can we put this one in the commit that will change the behavior? The above two shipped in 15.0…
				gallatinAuthorUnsubmitted Done Inline Actions Ugh.. sure.. gallatin: Ugh.. sure..
	Sets the maximum number of frames to be received at a time.			Sets the maximum number of frames to be received at a time.
	Zero (the default) indicates the default (currently 16) should be used.			Zero (the default) indicates the default (currently 16) should be used.
	.El			.El
	.Pp			.Pp
	There are also some global sysctls which can change behaviour for all drivers,			There are also some global sysctls which can change behaviour for all drivers,
	and may be changed at any time.			and may be changed at any time.
	.Bl -tag -width indent			.Bl -tag -width indent
	.It Va net.iflib.min_tx_latency			.It Va net.iflib.min_tx_latency
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