bnxt_en: query cfa flow stats periodically to compute 'lastused' attribute
This patch implements periodic querying of cfa flow stats
in batches to compute the 'lastused' attribute of TC flow stats.
Signed-off-by: Sathya Perla <sathya.perla@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index c767291..bbf6da3 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -6979,6 +6979,11 @@ static void bnxt_timer(unsigned long data)
set_bit(BNXT_PERIODIC_STATS_SP_EVENT, &bp->sp_event);
bnxt_queue_sp_work(bp);
}
+
+ if (bnxt_tc_flower_enabled(bp)) {
+ set_bit(BNXT_FLOW_STATS_SP_EVENT, &bp->sp_event);
+ bnxt_queue_sp_work(bp);
+ }
bnxt_restart_timer:
mod_timer(&bp->timer, jiffies + bp->current_interval);
}
@@ -7069,6 +7074,10 @@ static void bnxt_sp_task(struct work_struct *work)
bnxt_get_port_module_status(bp);
mutex_unlock(&bp->link_lock);
}
+
+ if (test_and_clear_bit(BNXT_FLOW_STATS_SP_EVENT, &bp->sp_event))
+ bnxt_tc_flow_stats_work(bp);
+
/* These functions below will clear BNXT_STATE_IN_SP_TASK. They
* must be the last functions to be called before exiting.
*/