net/sfc: implement Rx queue setup release operations

[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 fe6beb3..1aec388 100644 (file)
--- a/drivers/net/sfc/sfc_ethdev.c
+++ b/drivers/net/sfc/sfc_ethdev.c
@@ -38,6 +38,7 @@
 #include "sfc_log.h"
 #include "sfc_kvargs.h"
 #include "sfc_ev.h"
+#include "sfc_rx.h"
 
 
 static void
@@ -50,6 +51,8 @@ sfc_dev_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
        dev_info->pci_dev = RTE_DEV_TO_PCI(dev->device);
        dev_info->max_rx_pktlen = EFX_MAC_PDU_MAX;
 
+       dev_info->max_rx_queues = sa->rxq_max;
+
        /* By default packets are dropped if no descriptors are available */
        dev_info->default_rxconf.rx_drop_en = 1;
 
@@ -192,6 +195,61 @@ sfc_dev_close(struct rte_eth_dev *dev)
        sfc_log_init(sa, "done");
 }
 
+static int
+sfc_rx_queue_setup(struct rte_eth_dev *dev, uint16_t rx_queue_id,
+                  uint16_t nb_rx_desc, unsigned int socket_id,
+                  const struct rte_eth_rxconf *rx_conf,
+                  struct rte_mempool *mb_pool)
+{
+       struct sfc_adapter *sa = dev->data->dev_private;
+       int rc;
+
+       sfc_log_init(sa, "RxQ=%u nb_rx_desc=%u socket_id=%u",
+                    rx_queue_id, nb_rx_desc, socket_id);
+
+       sfc_adapter_lock(sa);
+
+       rc = sfc_rx_qinit(sa, rx_queue_id, nb_rx_desc, socket_id,
+                         rx_conf, mb_pool);
+       if (rc != 0)
+               goto fail_rx_qinit;
+
+       dev->data->rx_queues[rx_queue_id] = sa->rxq_info[rx_queue_id].rxq;
+
+       sfc_adapter_unlock(sa);
+
+       return 0;
+
+fail_rx_qinit:
+       sfc_adapter_unlock(sa);
+       SFC_ASSERT(rc > 0);
+       return -rc;
+}
+
+static void
+sfc_rx_queue_release(void *queue)
+{
+       struct sfc_rxq *rxq = queue;
+       struct sfc_adapter *sa;
+       unsigned int sw_index;
+
+       if (rxq == NULL)
+               return;
+
+       sa = rxq->evq->sa;
+       sfc_adapter_lock(sa);
+
+       sw_index = sfc_rxq_sw_index(rxq);
+
+       sfc_log_init(sa, "RxQ=%u", sw_index);
+
+       sa->eth_dev->data->rx_queues[sw_index] = NULL;
+
+       sfc_rx_qfini(sa, sw_index);
+
+       sfc_adapter_unlock(sa);
+}
+
 static const struct eth_dev_ops sfc_eth_dev_ops = {
        .dev_configure                  = sfc_dev_configure,
        .dev_start                      = sfc_dev_start,
@@ -199,6 +257,8 @@ static const struct eth_dev_ops sfc_eth_dev_ops = {
        .dev_close                      = sfc_dev_close,
        .link_update                    = sfc_dev_link_update,
        .dev_infos_get                  = sfc_dev_infos_get,
+       .rx_queue_setup                 = sfc_rx_queue_setup,
+       .rx_queue_release               = sfc_rx_queue_release,
 };
 
 static int