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net/ena: fix cleaning HW IO rings configuration

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When queues are stopped release Tx buffers.
During start initialize array of empty Tx/Rx reqs with default values.

Fixes: df238f84c0 ("net/ena: recreate HW IO rings on start and stop")
Cc: stable@dpdk.org

Signed-off-by: Rafal Kozik <rk@semihalf.com>
Acked-by: Michal Krawczyk <mk@semihalf.com>
This commit is contained in:
Rafal Kozik 2018-11-14 10:59:45 +01:00 committed by Ferruh Yigit
parent fe4fc7d694
commit 778677dcb2
1 changed files with 7 additions and 0 deletions
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7
drivers/net/ena/ena_ethdev.c
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@ -1096,6 +1096,7 @@ static int ena_create_io_queue(struct ena_ring *ring)
{ ENA_ADMIN_PLACEMENT_POLICY_HOST,
0, 0, 0, 0, 0 };
uint16_t ena_qid;
unsigned int i;
int rc;
adapter = ring->adapter;
@ -1106,10 +1107,14 @@ static int ena_create_io_queue(struct ena_ring *ring)
ctx.direction = ENA_COM_IO_QUEUE_DIRECTION_TX;
ctx.mem_queue_type = ena_dev->tx_mem_queue_type;
ctx.queue_size = adapter->tx_ring_size;
for (i = 0; i < ring->ring_size; i++)
ring->empty_tx_reqs[i] = i;
} else {
ena_qid = ENA_IO_RXQ_IDX(ring->id);
ctx.direction = ENA_COM_IO_QUEUE_DIRECTION_RX;
ctx.queue_size = adapter->rx_ring_size;
for (i = 0; i < ring->ring_size; i++)
ring->empty_rx_reqs[i] = i;
}
ctx.qid = ena_qid;
ctx.msix_vector = -1; /* interrupts not used */
@ -1152,6 +1157,8 @@ static void ena_free_io_queues_all(struct ena_adapter *adapter)
for (i = 0; i < nb_txq; ++i) {
ena_qid = ENA_IO_TXQ_IDX(i);
ena_com_destroy_io_queue(ena_dev, ena_qid);
ena_tx_queue_release_bufs(&adapter->tx_ring[i]);
}
for (i = 0; i < nb_rxq; ++i) {