[18/20] net/ena: update completion queue after cleanup
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Commit Message
From: Rafal Kozik <rk@semihalf.com>
After Rx or Tx cleanup update completion queue head by calling
ena_com_update_dev_comp_head().
Fixes: 1daff5260ff8 ("net/ena: use unmasked head and tail")
Signed-off-by: Rafal Kozik <rk@semihalf.com>
Acked-by: Michal Krawczyk <mk@semihalf.com>
---
drivers/net/ena/ena_ethdev.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
@@ -2126,8 +2126,10 @@ static uint16_t eth_ena_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
desc_in_use = desc_in_use - completed + 1;
/* Burst refill to save doorbells, memory barriers, const interval */
- if (ring_size - desc_in_use > ENA_RING_DESCS_RATIO(ring_size))
+ if (ring_size - desc_in_use > ENA_RING_DESCS_RATIO(ring_size)) {
+ ena_com_update_dev_comp_head(rx_ring->ena_com_io_cq);
ena_populate_rx_queue(rx_ring, ring_size - desc_in_use);
+ }
return recv_idx;
}
@@ -2438,8 +2440,9 @@ static uint16_t eth_ena_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
if (total_tx_descs > 0) {
/* acknowledge completion of sent packets */
- ena_com_comp_ack(tx_ring->ena_com_io_sq, total_tx_descs);
tx_ring->next_to_clean = next_to_clean;
+ ena_com_comp_ack(tx_ring->ena_com_io_sq, total_tx_descs);
+ ena_com_update_dev_comp_head(tx_ring->ena_com_io_cq);
}
tx_ring->tx_stats.tx_poll++;