netdev - [PATCH net-next 07/16] bnxt_en: Periodically check and remove aged-out ntuple filters

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Date:   Sun, 26 Jan 2020 04:03:01 -0500
From:   Michael Chan <michael.chan@...adcom.com>
To:     davem@...emloft.net
Cc:     netdev@...r.kernel.org, Pavan Chebbi <pavan.chebbi@...adcom.com>
Subject: [PATCH net-next 07/16] bnxt_en: Periodically check and remove aged-out ntuple filters

From: Pavan Chebbi <pavan.chebbi@...adcom.com>

Currently the only time we check and remove expired filters is
when we are inserting new filters.
Improving the aRFS expiry handling by adding code to do the above
work periodically.

Signed-off-by: Pavan Chebbi <pavan.chebbi@...adcom.com>
Signed-off-by: Michael Chan <michael.chan@...adcom.com>
---
 drivers/net/ethernet/broadcom/bnxt/bnxt.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index fb67e66..7d53672 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -10040,6 +10040,13 @@ static void bnxt_timer(struct timer_list *t)
 		bnxt_queue_sp_work(bp);
 	}
 
+#ifdef CONFIG_RFS_ACCEL
+	if ((bp->flags & BNXT_FLAG_RFS) && bp->ntp_fltr_count) {
+		set_bit(BNXT_RX_NTP_FLTR_SP_EVENT, &bp->sp_event);
+		bnxt_queue_sp_work(bp);
+	}
+#endif /*CONFIG_RFS_ACCEL*/
+
 	if (bp->link_info.phy_retry) {
 		if (time_after(jiffies, bp->link_info.phy_retry_expires)) {
 			bp->link_info.phy_retry = false;
-- 
2.5.1