Commit 3c0d49aa authored Feb 03, 2016 by Padmanabh Ratnakar Committed by David S. Miller Feb 07, 2016

be2net: Fix interval calculation in interrupt moderation



Interrupt moderation parameters need to be recalculated only
after a time interval of 1 ms. Interval calculation is wrong
when there is a rollover of jiffies. Using recommended way of interval
calculation using jiffies to fix this.

Signed-off-by: Padmanabh Ratnakar <padmanabh.ratnakar@broadcom.com>
Signed-off-by: Sriharsha Basavapatna <sriharsha.basavapatna@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 972f37b4

drivers/net/ethernet/emulex/benet/be_main.c

+1 −2

Original line number	Original line	Diff line number	Diff line
	@@ -1917,8 +1917,7 @@ static u32 be_get_eq_delay_mult_enc(struct be_eq_obj *eqo)
	if (!aic->enable)		if (!aic->enable)
	return 0;		return 0;

	if (time_before_eq(now, aic->jiffies) \|\|		if (jiffies_to_msecs(now - aic->jiffies) < 1)
	jiffies_to_msecs(now - aic->jiffies) < 1)
	eqd = aic->prev_eqd;		eqd = aic->prev_eqd;
	else		else
	eqd = be_get_new_eqd(eqo);		eqd = be_get_new_eqd(eqo);