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Message-Id: <1533502318-22359-3-git-send-email-michael.chan@broadcom.com> Date: Sun, 5 Aug 2018 16:51:47 -0400 From: Michael Chan <michael.chan@...adcom.com> To: davem@...emloft.net Cc: netdev@...r.kernel.org Subject: [PATCH net-next 02/13] bnxt_en: Adjust timer based on ethtool stats-block-usecs settings. The driver gathers statistics using 2 mechanisms. Some stats are DMA'ed directly from hardware and others are polled from the driver's timer. Currently, we only adjust the DMA frequency based on the ethtool stats-block-usecs setting. This patch adjusts the driver's timer frequency as well to make everything consistent. Signed-off-by: Michael Chan <michael.chan@...adcom.com> --- drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c index 3d40e49..1f626af 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c @@ -112,6 +112,11 @@ static int bnxt_set_coalesce(struct net_device *dev, BNXT_MAX_STATS_COAL_TICKS); stats_ticks = rounddown(stats_ticks, BNXT_MIN_STATS_COAL_TICKS); bp->stats_coal_ticks = stats_ticks; + if (bp->stats_coal_ticks) + bp->current_interval = + bp->stats_coal_ticks * HZ / 1000000; + else + bp->current_interval = BNXT_TIMER_INTERVAL; update_stats = true; } -- 2.5.1
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