net/ena: fix Rx checksum errors statistics

Rx checksum flags and input errors shouldn't be updated on Tx, as it
would work only for packets forwarding.

The ierrors statistic should be updated on Rx, right after checking
Rx checksum flags if the Rx checksum offload is enabled.

Fixes: 1173fca25af9 ("ena: add polling-mode driver")
Cc: stable@dpdk.org
Signed-off-by: Michal Krawczyk <mk@semihalf.com>

diff --git a/drivers/net/ena/ena_ethdev.c b/drivers/net/ena/ena_ethdev.c
index ffecdb8..a42ec8c 100644 (file)
--- a/drivers/net/ena/ena_ethdev.c
+++ b/drivers/net/ena/ena_ethdev.c
@@ -2089,8 +2089,10 @@ static uint16_t eth_ena_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
                ena_rx_mbuf_prepare(mbuf_head, &ena_rx_ctx);
 
                if (unlikely(mbuf_head->ol_flags &
-                       (PKT_RX_IP_CKSUM_BAD | PKT_RX_L4_CKSUM_BAD)))
+                               (PKT_RX_IP_CKSUM_BAD | PKT_RX_L4_CKSUM_BAD))) {
+                       rte_atomic64_inc(&rx_ring->adapter->drv_stats->ierrors);
                        ++rx_ring->rx_stats.bad_csum;
+               }
 
                mbuf_head->hash.rss = ena_rx_ctx.hash;
 
@@ -2318,10 +2320,6 @@ static uint16_t eth_ena_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
                /* Set TX offloads flags, if applicable */
                ena_tx_mbuf_prepare(mbuf, &ena_tx_ctx, tx_ring->offloads);
 
-               if (unlikely(mbuf->ol_flags &
-                            (PKT_RX_L4_CKSUM_BAD | PKT_RX_IP_CKSUM_BAD)))
-                       rte_atomic64_inc(&tx_ring->adapter->drv_stats->ierrors);
-
                rte_prefetch0(tx_pkts[(sent_idx + 4) & ring_mask]);
 
                /* Process first segment taking into