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net/ena: rework configuration of IO queue numbers

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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>
This commit is contained in:
Rafal Kozik 2018-06-07 11:43:13 +02:00 committed by Ferruh Yigit
parent 983cce2d54
commit 01bd687724
1 changed files with 20 additions and 1 deletions
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21
drivers/net/ena/ena_ethdev.c
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@ -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))