net/sfc: support Rx descriptor status in secondary process

[dpdk.git] / drivers / net / sfc / sfc_ethdev.c

diff --git a/drivers/net/sfc/sfc_ethdev.c b/drivers/net/sfc/sfc_ethdev.c
index 71be88f..5bc73d5 100644 (file)
--- a/drivers/net/sfc/sfc_ethdev.c
+++ b/drivers/net/sfc/sfc_ethdev.c
@@ -1117,6 +1117,10 @@ sfc_tx_queue_info_get(struct rte_eth_dev *dev, uint16_t tx_queue_id,
        sfc_adapter_unlock(sa);
 }
 
+/*
+ * The function is used by the secondary process as well. It must not
+ * use any process-local pointers from the adapter data.
+ */
 static uint32_t
 sfc_rx_queue_count(struct rte_eth_dev *dev, uint16_t rx_queue_id)
 {
@@ -1133,22 +1137,34 @@ sfc_rx_queue_count(struct rte_eth_dev *dev, uint16_t rx_queue_id)
        return sap->dp_rx->qdesc_npending(rxq_info->dp);
 }
 
+/*
+ * The function is used by the secondary process as well. It must not
+ * use any process-local pointers from the adapter data.
+ */
 static int
 sfc_rx_descriptor_done(void *queue, uint16_t offset)
 {
        struct sfc_dp_rxq *dp_rxq = queue;
-       struct sfc_rxq *rxq = sfc_rxq_by_dp_rxq(dp_rxq);
+       const struct sfc_dp_rx *dp_rx;
+
+       dp_rx = sfc_dp_rx_by_dp_rxq(dp_rxq);
 
-       return offset < rxq->evq->sa->priv.dp_rx->qdesc_npending(dp_rxq);
+       return offset < dp_rx->qdesc_npending(dp_rxq);
 }
 
+/*
+ * The function is used by the secondary process as well. It must not
+ * use any process-local pointers from the adapter data.
+ */
 static int
 sfc_rx_descriptor_status(void *queue, uint16_t offset)
 {
        struct sfc_dp_rxq *dp_rxq = queue;
-       struct sfc_rxq *rxq = sfc_rxq_by_dp_rxq(dp_rxq);
+       const struct sfc_dp_rx *dp_rx;
 
-       return rxq->evq->sa->priv.dp_rx->qdesc_status(dp_rxq, offset);
+       dp_rx = sfc_dp_rx_by_dp_rxq(dp_rxq);
+
+       return dp_rx->qdesc_status(dp_rxq, offset);
 }
 
 static int
@@ -1877,6 +1893,9 @@ sfc_eth_dev_clear_ops(struct rte_eth_dev *dev)
 }
 
 static const struct eth_dev_ops sfc_eth_dev_secondary_ops = {
+       .rx_queue_count                 = sfc_rx_queue_count,
+       .rx_descriptor_done             = sfc_rx_descriptor_done,
+       .rx_descriptor_status           = sfc_rx_descriptor_status,
        .rxq_info_get                   = sfc_rx_queue_info_get,
        .txq_info_get                   = sfc_tx_queue_info_get,
 };