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net/cnxk: add barrier after meta batch free in scalar

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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: 4382a7ccf7 ("net/cnxk: support Rx security offload on cn10k")
Cc: stable@dpdk.org

Signed-off-by: Nithin Dabilpuram <ndabilpuram@marvell.com>
Acked-by: Jerin Jacob <jerinj@marvell.com>
This commit is contained in:
Nithin Dabilpuram 2022-05-08 13:18:23 +05:30 committed by Jerin Jacob
parent 852cedbaf2
commit 39279dd904
1 changed files with 4 additions and 3 deletions
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7
drivers/net/cnxk/cn10k_rx.h
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@ -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;
}