[dpdk-dev] [PATCH v2 12/30] net/mlx5: add reference counter on DPDK Tx queues

[Ferruh Yigit]

On 10/5/2017 1:49 PM, Nelio Laranjeiro wrote:
> Use the same design for DPDK queue as for Verbs queue for symmetry, this
> also helps in fixing some issues like the DPDK release queue API which is
> not expected to fail.  With such design, the queue is released when the
> reference counters reaches 0.
> 
> Signed-off-by: Nelio Laranjeiro <nelio.laranjeiro at 6wind.com>

<...>

> +struct mlx5_txq_ctrl*
> +mlx5_priv_txq_get(struct priv *priv, uint16_t idx)
> +{
> +	struct mlx5_txq_ctrl *ctrl = NULL;
> +
> +	if ((*priv->txqs)[idx]) {
> +		ctrl = container_of((*priv->txqs)[idx], struct mlx5_txq_ctrl,
> +				    txq);
> +		unsigned int i;
> +
> +		mlx5_priv_txq_ibv_get(priv, idx);
> +		for (i = 0; i != MLX5_PMD_TX_MP_CACHE; ++i) {
> +			struct mlx5_mr *mr;

While applying slightly updated as following to fix icc warning:

    struct mlx5_mr *mr = NULL;

Please let me know if you disagree with update.