From: Long Li <longli@microsoft.com>
Rx hardware queue is allocated when starting the queue. This function is
for queue configuration pre starting.
Signed-off-by: Long Li <longli@microsoft.com>
---
Change log:
v8:
fix coding style to function definitions
v9:
move data defintions from earlier patch.
drivers/net/mana/mana.c | 73 ++++++++++++++++++++++++++++++++++++++++-
drivers/net/mana/mana.h | 21 ++++++++++++
2 files changed, 93 insertions(+), 1 deletion(-)
@@ -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 +293,66 @@ 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->desc_ring_head = 0;
+ rxq->desc_ring_tail = 0;
+
+ 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 +371,12 @@ 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,
};
@@ -80,6 +80,27 @@ struct mana_priv {
uint64_t max_mr_size;
};
+struct mana_rxq_desc {
+ struct rte_mbuf *pkt;
+ uint32_t wqe_size_in_bu;
+};
+
+struct mana_rxq {
+ struct mana_priv *priv;
+ uint32_t num_desc;
+ struct rte_mempool *mp;
+
+ /* For storing pending requests */
+ struct mana_rxq_desc *desc_ring;
+
+ /* desc_ring_head is where we put pending requests to ring,
+ * completion pull off desc_ring_tail
+ */
+ uint32_t desc_ring_head, desc_ring_tail;
+
+ unsigned int socket;
+};
+
extern int mana_logtype_driver;
extern int mana_logtype_init;