net/sfc: get RxQ descriptor done

Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Reviewed-by: Andrew Lee <alee@solarflare.com>
Reviewed-by: Robert Stonehouse <rstonehouse@solarflare.com>

diff --git a/drivers/net/sfc/sfc_ethdev.c b/drivers/net/sfc/sfc_ethdev.c
index ad6f813..8c845e9 100644 (file)
--- a/drivers/net/sfc/sfc_ethdev.c
+++ b/drivers/net/sfc/sfc_ethdev.c
@@ -854,6 +854,14 @@ sfc_rx_queue_count(struct rte_eth_dev *dev, uint16_t rx_queue_id)
        return sfc_rx_qdesc_npending(sa, rx_queue_id);
 }
 
+static int
+sfc_rx_descriptor_done(void *queue, uint16_t offset)
+{
+       struct sfc_rxq *rxq = queue;
+
+       return sfc_rx_qdesc_done(rxq, offset);
+}
+
 static const struct eth_dev_ops sfc_eth_dev_ops = {
        .dev_configure                  = sfc_dev_configure,
        .dev_start                      = sfc_dev_start,
@@ -875,6 +883,7 @@ static const struct eth_dev_ops sfc_eth_dev_ops = {
        .rx_queue_setup                 = sfc_rx_queue_setup,
        .rx_queue_release               = sfc_rx_queue_release,
        .rx_queue_count                 = sfc_rx_queue_count,
+       .rx_descriptor_done             = sfc_rx_descriptor_done,
        .tx_queue_setup                 = sfc_tx_queue_setup,
        .tx_queue_release               = sfc_tx_queue_release,
        .flow_ctrl_get                  = sfc_flow_ctrl_get,

diff --git a/drivers/net/sfc/sfc_rx.c b/drivers/net/sfc/sfc_rx.c
index ff9d799..802beb2 100644 (file)
--- a/drivers/net/sfc/sfc_rx.c
+++ b/drivers/net/sfc/sfc_rx.c
@@ -273,6 +273,17 @@ sfc_rx_qdesc_npending(struct sfc_adapter *sa, unsigned int sw_index)
        return rxq->pending - rxq->completed;
 }
 
+int
+sfc_rx_qdesc_done(struct sfc_rxq *rxq, unsigned int offset)
+{
+       if ((rxq->state & SFC_RXQ_RUNNING) == 0)
+               return 0;
+
+       sfc_ev_qpoll(rxq->evq);
+
+       return offset < (rxq->pending - rxq->completed);
+}
+
 static void
 sfc_rx_qpurge(struct sfc_rxq *rxq)
 {

diff --git a/drivers/net/sfc/sfc_rx.h b/drivers/net/sfc/sfc_rx.h
index 8064af6..8d8e709 100644 (file)
--- a/drivers/net/sfc/sfc_rx.h
+++ b/drivers/net/sfc/sfc_rx.h
@@ -142,6 +142,7 @@ uint16_t sfc_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
 
 unsigned int sfc_rx_qdesc_npending(struct sfc_adapter *sa,
                                   unsigned int sw_index);
+int sfc_rx_qdesc_done(struct sfc_rxq *rxq, unsigned int offset);
 
 #ifdef __cplusplus
 }