From 39279dd904fee0d688a2ab00a1d1dbaf89edc76c Mon Sep 17 00:00:00 2001 From: Nithin Dabilpuram Date: Sun, 8 May 2022 13:18:23 +0530 Subject: [PATCH] net/cnxk: add barrier after meta batch free in scalar Add barrier after meta batch free in scalar routine when LMT lines are exactly full to make sure that next LMT line user in Tx only starts writing the lines only when previous stoerl's are complete. Fixes: 4382a7ccf781 ("net/cnxk: support Rx security offload on cn10k") Cc: stable@dpdk.org Signed-off-by: Nithin Dabilpuram Acked-by: Jerin Jacob --- drivers/net/cnxk/cn10k_rx.h | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/net/cnxk/cn10k_rx.h b/drivers/net/cnxk/cn10k_rx.h index e4f5a553a6..94c1f1e84f 100644 --- a/drivers/net/cnxk/cn10k_rx.h +++ b/drivers/net/cnxk/cn10k_rx.h @@ -1007,10 +1007,11 @@ cn10k_nix_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t pkts, plt_write64((wdata | nb_pkts), rxq->cq_door); /* Free remaining meta buffers if any */ - if (flags & NIX_RX_OFFLOAD_SECURITY_F && loff) { + if (flags & NIX_RX_OFFLOAD_SECURITY_F && loff) nix_sec_flush_meta(laddr, lmt_id + lnum, loff, aura_handle); - plt_io_wmb(); - } + + if (flags & NIX_RX_OFFLOAD_SECURITY_F) + rte_io_wmb(); return nb_pkts; } -- 2.39.5