[Patch v8 08/18] net/mana: add function to configure Rx queues

[longli]

From: Long Li <lon...@microsoft.com>

Rx hardware queue is allocated when starting the queue. This function is
for queue configuration pre starting.

Signed-off-by: Long Li <lon...@microsoft.com>
---
Change log:
v8:
fix coding style to function definitions

 drivers/net/mana/mana.c | 72 ++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 71 insertions(+), 1 deletion(-)

diff --git a/drivers/net/mana/mana.c b/drivers/net/mana/mana.c
index fe7eb19626..15bd7ea550 100644
--- a/drivers/net/mana/mana.c
+++ b/drivers/net/mana/mana.c
@@ -205,6 +205,17 @@ mana_dev_info_get(struct rte_eth_dev *dev,
        return 0;
 }
 
+static void
+mana_dev_rx_queue_info(struct rte_eth_dev *dev, uint16_t queue_id,
+                      struct rte_eth_rxq_info *qinfo)
+{
+       struct mana_rxq *rxq = dev->data->rx_queues[queue_id];
+
+       qinfo->mp = rxq->mp;
+       qinfo->nb_desc = rxq->num_desc;
+       qinfo->conf.offloads = dev->data->dev_conf.rxmode.offloads;
+}
+
 static const uint32_t *
 mana_supported_ptypes(struct rte_eth_dev *dev __rte_unused)
 {
@@ -282,9 +293,65 @@ mana_rss_hash_conf_get(struct rte_eth_dev *dev,
        return 0;
 }
 
+static int
+mana_dev_rx_queue_setup(struct rte_eth_dev *dev, uint16_t queue_idx,
+                       uint16_t nb_desc, unsigned int socket_id,
+                       const struct rte_eth_rxconf *rx_conf __rte_unused,
+                       struct rte_mempool *mp)
+{
+       struct mana_priv *priv = dev->data->dev_private;
+       struct mana_rxq *rxq;
+       int ret;
+
+       rxq = rte_zmalloc_socket("mana_rxq", sizeof(*rxq), 0, socket_id);
+       if (!rxq) {
+               DRV_LOG(ERR, "failed to allocate rxq");
+               return -ENOMEM;
+       }
+
+       DRV_LOG(DEBUG, "idx %u nb_desc %u socket %u",
+               queue_idx, nb_desc, socket_id);
+
+       rxq->socket = socket_id;
+
+       rxq->desc_ring = rte_zmalloc_socket("mana_rx_mbuf_ring",
+                                           sizeof(struct mana_rxq_desc) *
+                                               nb_desc,
+                                           RTE_CACHE_LINE_SIZE, socket_id);
+
+       if (!rxq->desc_ring) {
+               DRV_LOG(ERR, "failed to allocate rxq desc_ring");
+               ret = -ENOMEM;
+               goto fail;
+       }
+
+       rxq->num_desc = nb_desc;
+
+       rxq->priv = priv;
+       rxq->num_desc = nb_desc;
+       rxq->mp = mp;
+       dev->data->rx_queues[queue_idx] = rxq;
+
+       return 0;
+
+fail:
+       rte_free(rxq->desc_ring);
+       rte_free(rxq);
+       return ret;
+}
+
+static void
+mana_dev_rx_queue_release(struct rte_eth_dev *dev, uint16_t qid)
+{
+       struct mana_rxq *rxq = dev->data->rx_queues[qid];
+
+       rte_free(rxq->desc_ring);
+       rte_free(rxq);
+}
+
 static int
 mana_dev_link_update(struct rte_eth_dev *dev,
-                               int wait_to_complete __rte_unused)
+                    int wait_to_complete __rte_unused)
 {
        struct rte_eth_link link;
 
@@ -303,9 +370,12 @@ static const struct eth_dev_ops mana_dev_ops = {
        .dev_configure          = mana_dev_configure,
        .dev_close              = mana_dev_close,
        .dev_infos_get          = mana_dev_info_get,
+       .rxq_info_get           = mana_dev_rx_queue_info,
        .dev_supported_ptypes_get = mana_supported_ptypes,
        .rss_hash_update        = mana_rss_hash_update,
        .rss_hash_conf_get      = mana_rss_hash_conf_get,
+       .rx_queue_setup         = mana_dev_rx_queue_setup,
+       .rx_queue_release       = mana_dev_rx_queue_release,
        .link_update            = mana_dev_link_update,
 };
 
-- 
2.17.1