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net/sfc: support Rx descriptor status for EF10 ESSB datapath

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Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Reviewed-by: Ivan Malov <ivan.malov@oktetlabs.ru>
This commit is contained in:
Andrew Rybchenko 2018-06-29 16:41:31 +01:00 committed by Ferruh Yigit
parent 6e98e4d230
commit 886beef83f
1 changed files with 12 additions and 3 deletions
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15
drivers/net/sfc/sfc_ef10_essb_rx.c
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@ -437,10 +437,19 @@ sfc_ef10_essb_rx_qdesc_npending(struct sfc_dp_rxq *dp_rxq)
static sfc_dp_rx_qdesc_status_t sfc_ef10_essb_rx_qdesc_status;
static int
sfc_ef10_essb_rx_qdesc_status(__rte_unused struct sfc_dp_rxq *dp_rxq,
__rte_unused uint16_t offset)
sfc_ef10_essb_rx_qdesc_status(struct sfc_dp_rxq *dp_rxq, uint16_t offset)
{
return -ENOTSUP;
struct sfc_ef10_essb_rxq *rxq = sfc_ef10_essb_rxq_by_dp_rxq(dp_rxq);
unsigned int pending = sfc_ef10_essb_rx_qdesc_npending(dp_rxq);
if (offset < pending)
return RTE_ETH_RX_DESC_DONE;
if (offset < (rxq->added - rxq->completed) * rxq->block_size +
rxq->left_in_completed - rxq->block_size)
return RTE_ETH_RX_DESC_AVAIL;
return RTE_ETH_RX_DESC_UNAVAIL;
}
static sfc_dp_rx_get_dev_info_t sfc_ef10_essb_rx_get_dev_info;