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From: Hanumanth Pothula <hpothula@marvell.com>
To: Nithin Dabilpuram <ndabilpuram@marvell.com>,
	Kiran Kumar K <kirankumark@marvell.com>,
	Sunil Kumar Kori <skori@marvell.com>,
	Satha Rao <skoteshwar@marvell.com>
Cc: <dev@dpdk.org>, <jerinj@marvell.com>, <hpothula@marvell.com>
Subject: [PATCH v1 1/1] net/cnxk: program DF bit appropriately in vector mode
Date: Thu, 1 Sep 2022 11:58:02 +0530	[thread overview]
Message-ID: <20220901062802.2508287-1-hpothula@marvell.com> (raw)

In vector mode, DF bit is not programmed correctly, as the
return value of vsetq_lane_u64() is ignored, which actually
contains the updated value, leading HW to free mbufs though
NIX_TX_OFFLOAD_MBUF_NOFF_F flag is set.

Hence, save return value of vsetq_lane_u64() appropriately so
that DF bit is programmed correctly.

Signed-off-by: Hanumanth Pothula <hpothula@marvell.com>
---
 drivers/net/cnxk/cn10k_tx.h | 8 ++++----
 drivers/net/cnxk/cn9k_tx.h  | 8 ++++----
 2 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/drivers/net/cnxk/cn10k_tx.h b/drivers/net/cnxk/cn10k_tx.h
index ea13866b20..fb33e7150b 100644
--- a/drivers/net/cnxk/cn10k_tx.h
+++ b/drivers/net/cnxk/cn10k_tx.h
@@ -2477,28 +2477,28 @@ cn10k_nix_xmit_pkts_vector(void *tx_queue, uint64_t *ws,
 			mbuf3 = (uint64_t *)tx_pkts[3];
 
 			if (cnxk_nix_prefree_seg((struct rte_mbuf *)mbuf0))
-				vsetq_lane_u64(0x80000, xmask01, 0);
+				xmask01 = vsetq_lane_u64(0x80000, xmask01, 0);
 			else
 				RTE_MEMPOOL_CHECK_COOKIES(
 					((struct rte_mbuf *)mbuf0)->pool,
 					(void **)&mbuf0, 1, 0);
 
 			if (cnxk_nix_prefree_seg((struct rte_mbuf *)mbuf1))
-				vsetq_lane_u64(0x80000, xmask01, 1);
+				xmask01 = vsetq_lane_u64(0x80000, xmask01, 1);
 			else
 				RTE_MEMPOOL_CHECK_COOKIES(
 					((struct rte_mbuf *)mbuf1)->pool,
 					(void **)&mbuf1, 1, 0);
 
 			if (cnxk_nix_prefree_seg((struct rte_mbuf *)mbuf2))
-				vsetq_lane_u64(0x80000, xmask23, 0);
+				xmask23 = vsetq_lane_u64(0x80000, xmask23, 0);
 			else
 				RTE_MEMPOOL_CHECK_COOKIES(
 					((struct rte_mbuf *)mbuf2)->pool,
 					(void **)&mbuf2, 1, 0);
 
 			if (cnxk_nix_prefree_seg((struct rte_mbuf *)mbuf3))
-				vsetq_lane_u64(0x80000, xmask23, 1);
+				xmask23 = vsetq_lane_u64(0x80000, xmask23, 1);
 			else
 				RTE_MEMPOOL_CHECK_COOKIES(
 					((struct rte_mbuf *)mbuf3)->pool,
diff --git a/drivers/net/cnxk/cn9k_tx.h b/drivers/net/cnxk/cn9k_tx.h
index 6ce81f5c96..a609814dfb 100644
--- a/drivers/net/cnxk/cn9k_tx.h
+++ b/drivers/net/cnxk/cn9k_tx.h
@@ -1705,28 +1705,28 @@ cn9k_nix_xmit_pkts_vector(void *tx_queue, struct rte_mbuf **tx_pkts,
 			mbuf3 = (uint64_t *)tx_pkts[3];
 
 			if (cnxk_nix_prefree_seg((struct rte_mbuf *)mbuf0))
-				vsetq_lane_u64(0x80000, xmask01, 0);
+				xmask01 = vsetq_lane_u64(0x80000, xmask01, 0);
 			else
 				RTE_MEMPOOL_CHECK_COOKIES(
 					((struct rte_mbuf *)mbuf0)->pool,
 					(void **)&mbuf0, 1, 0);
 
 			if (cnxk_nix_prefree_seg((struct rte_mbuf *)mbuf1))
-				vsetq_lane_u64(0x80000, xmask01, 1);
+				xmask01 = vsetq_lane_u64(0x80000, xmask01, 1);
 			else
 				RTE_MEMPOOL_CHECK_COOKIES(
 					((struct rte_mbuf *)mbuf1)->pool,
 					(void **)&mbuf1, 1, 0);
 
 			if (cnxk_nix_prefree_seg((struct rte_mbuf *)mbuf2))
-				vsetq_lane_u64(0x80000, xmask23, 0);
+				xmask23 = vsetq_lane_u64(0x80000, xmask23, 0);
 			else
 				RTE_MEMPOOL_CHECK_COOKIES(
 					((struct rte_mbuf *)mbuf2)->pool,
 					(void **)&mbuf2, 1, 0);
 
 			if (cnxk_nix_prefree_seg((struct rte_mbuf *)mbuf3))
-				vsetq_lane_u64(0x80000, xmask23, 1);
+				xmask23 = vsetq_lane_u64(0x80000, xmask23, 1);
 			else
 				RTE_MEMPOOL_CHECK_COOKIES(
 					((struct rte_mbuf *)mbuf3)->pool,
-- 
2.25.1


             reply	other threads:[~2022-09-01  6:28 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-09-01  6:28 Hanumanth Pothula [this message]
2022-09-19 16:57 ` [PATCH v1 1/1] net/cnxk: program DF bit appropriately in vector mode Jerin Jacob

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