diff options
| author | Michael Chan | 2017-07-24 18:34:24 +0200 |
|---|---|---|
| committer | David S. Miller | 2017-07-25 02:29:58 +0200 |
| commit | adcc331e42e639ea44ac3c746db6c7207c3f69c0 (patch) | |
| tree | 754594cffdf19f9e696dfb12f5e7ca8cb0408280 /drivers/net | |
| parent | bnxt_en: Add bnxt_get_num_stats() to centrally get the number of ethtool stats. (diff) | |
| download | kernel-qcow2-linux-adcc331e42e639ea44ac3c746db6c7207c3f69c0.tar.gz kernel-qcow2-linux-adcc331e42e639ea44ac3c746db6c7207c3f69c0.tar.xz kernel-qcow2-linux-adcc331e42e639ea44ac3c746db6c7207c3f69c0.zip | |
bnxt_en: Allow the user to set ethtool stats-block-usecs to 0.
For debugging purpose, it is sometimes useful to disable periodic
port statistics updates, so that the firmware logs will not be
filled with statistics update messages.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt.c | 3 | ||||
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c | 8 |
2 files changed, 7 insertions, 4 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index 4acaeaf87f18..5df967037d10 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -6843,7 +6843,8 @@ static void bnxt_timer(unsigned long data) if (atomic_read(&bp->intr_sem) != 0) goto bnxt_restart_timer; - if (bp->link_info.link_up && (bp->flags & BNXT_FLAG_PORT_STATS)) { + if (bp->link_info.link_up && (bp->flags & BNXT_FLAG_PORT_STATS) && + bp->stats_coal_ticks) { set_bit(BNXT_PERIODIC_STATS_SP_EVENT, &bp->sp_event); schedule_work(&bp->sp_task); } diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c index 4661b1185790..140e76904af9 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c @@ -86,9 +86,11 @@ static int bnxt_set_coalesce(struct net_device *dev, if (bp->stats_coal_ticks != coal->stats_block_coalesce_usecs) { u32 stats_ticks = coal->stats_block_coalesce_usecs; - stats_ticks = clamp_t(u32, stats_ticks, - BNXT_MIN_STATS_COAL_TICKS, - BNXT_MAX_STATS_COAL_TICKS); + /* Allow 0, which means disable. */ + if (stats_ticks) + stats_ticks = clamp_t(u32, stats_ticks, + BNXT_MIN_STATS_COAL_TICKS, + BNXT_MAX_STATS_COAL_TICKS); stats_ticks = rounddown(stats_ticks, BNXT_MIN_STATS_COAL_TICKS); bp->stats_coal_ticks = stats_ticks; update_stats = true; |