[dpdk-dev,v2,17/26] net/ena: rework configuration of IO queue numbers
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Commit Message
From: Rafal Kozik <rk@semihalf.com>
Move configuration of IO queue numbers to separate function and take
into consideration max number of IO completion queues.
Signed-off-by: Rafal Kozik <rk@semihalf.com>
Acked-by: Michal Krawczyk <mk@semihalf.com>
---
drivers/net/ena/ena_ethdev.c | 21 ++++++++++++++++++++-
1 file changed, 20 insertions(+), 1 deletion(-)
@@ -1491,6 +1491,24 @@ static void ena_timer_wd_callback(__rte_unused struct rte_timer *timer,
}
}
+static int ena_calc_io_queue_num(__rte_unused struct ena_com_dev *ena_dev,
+ struct ena_com_dev_get_features_ctx *get_feat_ctx)
+{
+ int io_sq_num, io_cq_num, io_queue_num;
+
+ io_sq_num = get_feat_ctx->max_queues.max_sq_num;
+ io_cq_num = get_feat_ctx->max_queues.max_cq_num;
+
+ io_queue_num = RTE_MIN(io_sq_num, io_cq_num);
+
+ if (unlikely(io_queue_num == 0)) {
+ RTE_LOG(ERR, PMD, "Number of IO queues should not be 0\n");
+ return -EFAULT;
+ }
+
+ return io_queue_num;
+}
+
static int eth_ena_dev_init(struct rte_eth_dev *eth_dev)
{
struct rte_pci_device *pci_dev;
@@ -1555,7 +1573,8 @@ static int eth_ena_dev_init(struct rte_eth_dev *eth_dev)
adapter->wd_state = wd_state;
ena_dev->tx_mem_queue_type = ENA_ADMIN_PLACEMENT_POLICY_HOST;
- adapter->num_queues = get_feat_ctx.max_queues.max_sq_num;
+ adapter->num_queues = ena_calc_io_queue_num(ena_dev,
+ &get_feat_ctx);
queue_size = ena_calc_queue_size(ena_dev, &tx_sgl_size, &get_feat_ctx);
if ((queue_size <= 0) || (adapter->num_queues <= 0))