[dpdk-dev] [PATCH v3 2/4] net/dpaa2: add API's to support event eth adapter

Nipun Gupta nipun.gupta at nxp.com
Mon Oct 16 23:44:33 CEST 2017


Signed-off-by: Nipun Gupta <nipun.gupta at nxp.com>
---
Changes in v3:
  Check the queue schedule type before configuring MC (Hemant)

 drivers/net/dpaa2/dpaa2_ethdev.c            | 62 +++++++++++++++++++++++++++++
 drivers/net/dpaa2/dpaa2_ethdev.h            | 15 +++++++
 drivers/net/dpaa2/dpaa2_rxtx.c              | 20 ++++++++++
 drivers/net/dpaa2/rte_pmd_dpaa2_version.map |  7 ++++
 4 files changed, 104 insertions(+)

diff --git a/drivers/net/dpaa2/dpaa2_ethdev.c b/drivers/net/dpaa2/dpaa2_ethdev.c
index 1ac607c..14d79b9 100644
--- a/drivers/net/dpaa2/dpaa2_ethdev.c
+++ b/drivers/net/dpaa2/dpaa2_ethdev.c
@@ -1634,6 +1634,68 @@ int dpaa2_dev_stats_get(struct rte_eth_dev *dev,
 	return 0;
 }
 
+int dpaa2_eth_eventq_attach(const struct rte_eth_dev *dev,
+		int eth_rx_queue_id,
+		uint16_t dpcon_id,
+		const struct rte_event_eth_rx_adapter_queue_conf *queue_conf)
+{
+	struct dpaa2_dev_priv *eth_priv = dev->data->dev_private;
+	struct fsl_mc_io *dpni = (struct fsl_mc_io *)eth_priv->hw;
+	struct dpaa2_queue *dpaa2_ethq = eth_priv->rx_vq[eth_rx_queue_id];
+	uint8_t flow_id = dpaa2_ethq->flow_id;
+	struct dpni_queue cfg;
+	uint8_t options;
+	int ret;
+
+	if (queue_conf->ev.sched_type == RTE_SCHED_TYPE_PARALLEL)
+		dpaa2_ethq->cb = dpaa2_dev_process_parallel_event;
+	else
+		return -EINVAL;
+
+	memset(&cfg, 0, sizeof(struct dpni_queue));
+	options = DPNI_QUEUE_OPT_DEST;
+	cfg.destination.type = DPNI_DEST_DPCON;
+	cfg.destination.id = dpcon_id;
+	cfg.destination.priority = queue_conf->ev.priority;
+
+	options |= DPNI_QUEUE_OPT_USER_CTX;
+	cfg.user_context = (uint64_t)(dpaa2_ethq);
+
+	ret = dpni_set_queue(dpni, CMD_PRI_LOW, eth_priv->token, DPNI_QUEUE_RX,
+			     dpaa2_ethq->tc_index, flow_id, options, &cfg);
+	if (ret) {
+		RTE_LOG(ERR, PMD, "Error in dpni_set_queue: ret: %d\n", ret);
+		return ret;
+	}
+
+	memcpy(&dpaa2_ethq->ev, &queue_conf->ev, sizeof(struct rte_event));
+
+	return 0;
+}
+
+int dpaa2_eth_eventq_detach(const struct rte_eth_dev *dev,
+		int eth_rx_queue_id)
+{
+	struct dpaa2_dev_priv *eth_priv = dev->data->dev_private;
+	struct fsl_mc_io *dpni = (struct fsl_mc_io *)eth_priv->hw;
+	struct dpaa2_queue *dpaa2_ethq = eth_priv->rx_vq[eth_rx_queue_id];
+	uint8_t flow_id = dpaa2_ethq->flow_id;
+	struct dpni_queue cfg;
+	uint8_t options;
+	int ret;
+
+	memset(&cfg, 0, sizeof(struct dpni_queue));
+	options = DPNI_QUEUE_OPT_DEST;
+	cfg.destination.type = DPNI_DEST_NONE;
+
+	ret = dpni_set_queue(dpni, CMD_PRI_LOW, eth_priv->token, DPNI_QUEUE_RX,
+			     dpaa2_ethq->tc_index, flow_id, options, &cfg);
+	if (ret)
+		RTE_LOG(ERR, PMD, "Error in dpni_set_queue: ret: %d\n", ret);
+
+	return ret;
+}
+
 static struct eth_dev_ops dpaa2_ethdev_ops = {
 	.dev_configure	  = dpaa2_eth_dev_configure,
 	.dev_start	      = dpaa2_dev_start,
diff --git a/drivers/net/dpaa2/dpaa2_ethdev.h b/drivers/net/dpaa2/dpaa2_ethdev.h
index 7b14ae0..b8e94aa 100644
--- a/drivers/net/dpaa2/dpaa2_ethdev.h
+++ b/drivers/net/dpaa2/dpaa2_ethdev.h
@@ -34,6 +34,8 @@
 #ifndef _DPAA2_ETHDEV_H
 #define _DPAA2_ETHDEV_H
 
+#include <rte_event_eth_rx_adapter.h>
+
 #include <mc/fsl_dpni.h>
 #include <mc/fsl_mc_sys.h>
 
@@ -100,8 +102,21 @@ int dpaa2_remove_flow_dist(struct rte_eth_dev *eth_dev,
 
 int dpaa2_attach_bp_list(struct dpaa2_dev_priv *priv, void *blist);
 
+int dpaa2_eth_eventq_attach(const struct rte_eth_dev *dev,
+		int eth_rx_queue_id,
+		uint16_t dpcon_id,
+		const struct rte_event_eth_rx_adapter_queue_conf *queue_conf);
+
+int dpaa2_eth_eventq_detach(const struct rte_eth_dev *dev,
+		int eth_rx_queue_id);
+
 uint16_t dpaa2_dev_prefetch_rx(void *queue, struct rte_mbuf **bufs,
 			       uint16_t nb_pkts);
+void dpaa2_dev_process_parallel_event(struct qbman_swp *swp,
+				      const struct qbman_fd *fd,
+				      const struct qbman_result *dq,
+				      struct dpaa2_queue *rxq,
+				      struct rte_event *ev);
 uint16_t dpaa2_dev_tx(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts);
 uint16_t dummy_dev_tx(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts);
 #endif /* _DPAA2_ETHDEV_H */
diff --git a/drivers/net/dpaa2/dpaa2_rxtx.c b/drivers/net/dpaa2/dpaa2_rxtx.c
index 7cfa73a..a317f7f 100644
--- a/drivers/net/dpaa2/dpaa2_rxtx.c
+++ b/drivers/net/dpaa2/dpaa2_rxtx.c
@@ -514,6 +514,26 @@ static inline int __attribute__((hot))
 	return num_rx;
 }
 
+void __attribute__((hot))
+dpaa2_dev_process_parallel_event(struct qbman_swp *swp,
+				 const struct qbman_fd *fd,
+				 const struct qbman_result *dq,
+				 struct dpaa2_queue *rxq,
+				 struct rte_event *ev)
+{
+	ev->mbuf = eth_fd_to_mbuf(fd);
+
+	ev->flow_id = rxq->ev.flow_id;
+	ev->sub_event_type = rxq->ev.sub_event_type;
+	ev->event_type = RTE_EVENT_TYPE_ETHDEV;
+	ev->op = RTE_EVENT_OP_NEW;
+	ev->sched_type = rxq->ev.sched_type;
+	ev->queue_id = rxq->ev.queue_id;
+	ev->priority = rxq->ev.priority;
+
+	qbman_swp_dqrr_consume(swp, dq);
+}
+
 /*
  * Callback to handle sending packets through WRIOP based interface
  */
diff --git a/drivers/net/dpaa2/rte_pmd_dpaa2_version.map b/drivers/net/dpaa2/rte_pmd_dpaa2_version.map
index 8591cc0..b741bc0 100644
--- a/drivers/net/dpaa2/rte_pmd_dpaa2_version.map
+++ b/drivers/net/dpaa2/rte_pmd_dpaa2_version.map
@@ -2,3 +2,10 @@ DPDK_17.05 {
 
 	local: *;
 };
+
+DPDK_17.11 {
+	global:
+
+	dpaa2_eth_eventq_attach;
+	dpaa2_eth_eventq_detach;
+};
-- 
1.9.1



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