On 8/24/2017 5:29 PM, Ajit Khaparde wrote:
> add support for tx_descriptor_status dev_op
> Signed-off-by: Ajit Khaparde <ajit.khapa...@broadcom.com>
<...>
> +static int
> +bnxt_tx_descriptor_status_op(void *tx_queue, uint16_t offset)
> +{
> + struct bnxt_tx_queue *txq = (struct bnxt_tx_queue *)tx_queue;
> + struct bnxt_cp_ring_info *cpr;
> + struct tx_pkt_cmpl *txcmp;
> + uint32_t cons;
> +
> + if (!txq)
> + return -EINVAL;
> +
> + cpr = txq->cp_ring;
> +
> + if (offset >= txq->nb_tx_desc)
> + return -EINVAL;
> +
> + cons = RING_CMP(cpr->cp_ring_struct, offset);
> + txcmp = (struct tx_pkt_cmpl *)&cpr->cp_desc_ring[cons];
> +
> + if (CMP_VALID(txcmp, offset, cpr->cp_ring_struct))
> + return RTE_ETH_TX_DESC_DONE;
> +
> + return RTE_ETH_TX_DESC_FULL;
Same comment with Rx one, a check may be required to distinguish between
status FULL and UNAVAIL.
> +}
<...>
