From e2819fea94ce007b8938440180d6e6e91a5b1ef9 Mon Sep 17 00:00:00 2001 From: Nithin Dabilpuram Date: Sun, 8 May 2022 13:18:37 +0530 Subject: [PATCH] net/cnxk: fix multi-segment extraction in vwqe path 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: stable@dpdk.org Signed-off-by: Nithin Dabilpuram Acked-by: Pavan Nikhilesh Acked-by: Jerin Jacob --- 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 00bec01055..5ecb20f038 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);