diff options
| author | Michael Chan <michael.chan@broadcom.com> | 2018-08-05 16:51:47 -0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-08-05 17:08:25 -0700 |
| commit | e795892e93b6ccbda7e0f0fc476d0d4629b44f84 (patch) | |
| tree | bd6a7db855eef15d642846ce649663b51b581f2f /drivers | |
| parent | 6fc92c33854b7844745ce424e1cb8029c06d1cf1 (diff) | |
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@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c index 3d40e494614d..1f626afb2118 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; } |