[PATCH v3 26/28] net/cnxk: fix multi-seg extraction in vwqe path

[Nithin Dabilpuram <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