patches for DPDK stable branches
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From: Nithin Dabilpuram <ndabilpuram@marvell.com>
To: <jerinj@marvell.com>, 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>, <pbhagavatula@marvell.com>, <stable@dpdk.org>
Subject: [PATCH v5 26/28] net/cnxk: fix multi-seg extraction in vwqe path
Date: Sun, 8 May 2022 13:18:37 +0530
Message-ID: <20220508074839.6965-26-ndabilpuram@marvell.com> (raw)
In-Reply-To: <20220508074839.6965-1-ndabilpuram@marvell.com>

Fix multi-seg extraction in vwqe path to avoid updating mbuf[]
array until it is used via cq0 path.

Fixes: 7fbbc981d54f ("event/cnxk: support vectorized Rx event fast path")
Cc: pbhagavatula@marvell.com
Cc: stable@dpdk.org

Signed-off-by: Nithin Dabilpuram <ndabilpuram@marvell.com>
Acked-by: Pavan Nikhilesh <pbhagavatula@marvell.com>
---
 drivers/net/cnxk/cn10k_rx.h | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/net/cnxk/cn10k_rx.h b/drivers/net/cnxk/cn10k_rx.h
index 00bec01..5ecb20f 100644
--- a/drivers/net/cnxk/cn10k_rx.h
+++ b/drivers/net/cnxk/cn10k_rx.h
@@ -1673,10 +1673,6 @@ cn10k_nix_recv_pkts_vector(void *args, struct rte_mbuf **mbufs, uint16_t pkts,
 		vst1q_u64((uint64_t *)mbuf2->rearm_data, rearm2);
 		vst1q_u64((uint64_t *)mbuf3->rearm_data, rearm3);
 
-		/* Store the mbufs to rx_pkts */
-		vst1q_u64((uint64_t *)&mbufs[packets], mbuf01);
-		vst1q_u64((uint64_t *)&mbufs[packets + 2], mbuf23);
-
 		if (flags & NIX_RX_MULTI_SEG_F) {
 			/* Multi segment is enable build mseg list for
 			 * individual mbufs in scalar mode.
@@ -1695,6 +1691,10 @@ cn10k_nix_recv_pkts_vector(void *args, struct rte_mbuf **mbufs, uint16_t pkts,
 					    mbuf3, mbuf_initializer, flags);
 		}
 
+		/* Store the mbufs to rx_pkts */
+		vst1q_u64((uint64_t *)&mbufs[packets], mbuf01);
+		vst1q_u64((uint64_t *)&mbufs[packets + 2], mbuf23);
+
 		/* Mark mempool obj as "get" as it is alloc'ed by NIX */
 		RTE_MEMPOOL_CHECK_COOKIES(mbuf0->pool, (void **)&mbuf0, 1, 1);
 		RTE_MEMPOOL_CHECK_COOKIES(mbuf1->pool, (void **)&mbuf1, 1, 1);
-- 
2.8.4


  parent reply	other threads:[~2022-05-08  7:50 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20220419055921.10566-1-ndabilpuram@marvell.com>
2022-04-19  5:59 ` [PATCH 12/24] net/cnxk: add barrier after meta batch free in scalar Nithin Dabilpuram
2022-04-19  5:59 ` [PATCH 14/24] net/cnxk: fix roundup size with transport mode Nithin Dabilpuram
     [not found] ` <20220505125557.8828-1-ndabilpuram@marvell.com>
2022-05-05 12:55   ` [PATCH v3 12/28] net/cnxk: add barrier after meta batch free in scalar Nithin Dabilpuram
2022-05-05 12:55   ` [PATCH v3 14/28] net/cnxk: fix roundup size with transport mode Nithin Dabilpuram
2022-05-05 12:55   ` [PATCH v3 26/28] net/cnxk: fix multi-seg extraction in vwqe path Nithin Dabilpuram
2022-05-05 12:55   ` [PATCH v3 27/28] net/cnxk: fix hotplug detach sequence for first device Nithin Dabilpuram
     [not found] ` <20220508062616.3398-1-ndabilpuram@marvell.com>
2022-05-08  6:26   ` [PATCH v4 12/28] net/cnxk: add barrier after meta batch free in scalar Nithin Dabilpuram
2022-05-08  6:26   ` [PATCH v4 14/28] net/cnxk: fix roundup size with transport mode Nithin Dabilpuram
2022-05-08  6:26   ` [PATCH v4 26/28] net/cnxk: fix multi-seg extraction in vwqe path Nithin Dabilpuram
2022-05-08  6:26   ` [PATCH v4 27/28] net/cnxk: fix hotplug detach sequence for first device Nithin Dabilpuram
     [not found] ` <20220508074839.6965-1-ndabilpuram@marvell.com>
2022-05-08  7:48   ` [PATCH v5 12/28] net/cnxk: add barrier after meta batch free in scalar Nithin Dabilpuram
2022-05-08  7:48   ` [PATCH v5 14/28] net/cnxk: fix roundup size with transport mode Nithin Dabilpuram
2022-05-08  7:48   ` Nithin Dabilpuram [this message]
2022-05-08  7:48   ` [PATCH v5 27/28] net/cnxk: fix hotplug detach sequence for first device Nithin Dabilpuram

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