From: Ruifeng Wang <ruifeng.wang@arm.com>
Date: Wed, 13 Apr 2022 10:31:54 +0000 (+0800)
Subject: net/bnxt: defer completion index update
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=331d7696dfc71ef86614737c0958ded7503108da;p=dpdk.git

net/bnxt: defer completion index update

When no packet is received, there is no need to update completion raw cons.
Moved update down to remove unnecessary store in this case.

Signed-off-by: Ruifeng Wang <ruifeng.wang@arm.com>
Reviewed-by: Ajit Khaparde <ajit.khaparde@broadcom.com>
---

diff --git a/drivers/net/bnxt/bnxt_rxr.c b/drivers/net/bnxt/bnxt_rxr.c
index 5a9cf48e67..49b9f0aed4 100644
--- a/drivers/net/bnxt/bnxt_rxr.c
+++ b/drivers/net/bnxt/bnxt_rxr.c
@@ -1096,7 +1096,6 @@ uint16_t bnxt_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
 			break;
 	}
 
-	cpr->cp_raw_cons = raw_cons;
 	if (!nb_rx_pkts && !nb_rep_rx_pkts && !evt) {
 		/*
 		 * For PMD, there is no need to keep on pushing to REARM
@@ -1105,6 +1104,7 @@ uint16_t bnxt_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
 		goto done;
 	}
 
+	cpr->cp_raw_cons = raw_cons;
 	/* Ring the completion queue doorbell. */
 	bnxt_db_cq(cpr);