[PATCH v11 06/22] net/dpaa2: adding eth ops to dpaa2

[Hemant Agrawal <hemant.agrawal@nxp.com>]

Signed-off-by: Hemant Agrawal <hemant.agrawal@nxp.com>
---
 doc/guides/nics/features/dpaa2.ini |   1 +
 drivers/net/dpaa2/Makefile         |   1 +
 drivers/net/dpaa2/dpaa2_ethdev.c   | 410 ++++++++++++++++++++++++++++++++++++-
 drivers/net/dpaa2/dpaa2_ethdev.h   |  15 ++
 4 files changed, 426 insertions(+), 1 deletion(-)

diff --git a/doc/guides/nics/features/dpaa2.ini b/doc/guides/nics/features/dpaa2.ini
index b176208..0b59725 100644
--- a/doc/guides/nics/features/dpaa2.ini
+++ b/doc/guides/nics/features/dpaa2.ini
@@ -4,6 +4,7 @@
 ; Refer to default.ini for the full list of available PMD features.
 ;
 [Features]
+Queue start/stop     = Y
 Linux VFIO           = Y
 ARMv8                = Y
 Usage doc            = Y
diff --git a/drivers/net/dpaa2/Makefile b/drivers/net/dpaa2/Makefile
index 889181d..4350f45 100644
--- a/drivers/net/dpaa2/Makefile
+++ b/drivers/net/dpaa2/Makefile
@@ -49,6 +49,7 @@ CFLAGS += -I$(RTE_SDK)/drivers/net/dpaa2/mc
 CFLAGS += -I$(RTE_SDK)/drivers/bus/fslmc
 CFLAGS += -I$(RTE_SDK)/drivers/bus/fslmc/qbman/include
 CFLAGS += -I$(RTE_SDK)/drivers/bus/fslmc/mc
+CFLAGS += -I$(RTE_SDK)/drivers/bus/fslmc/portal
 CFLAGS += -I$(RTE_SDK)/lib/librte_eal/linuxapp/eal
 
 # versioning export map
diff --git a/drivers/net/dpaa2/dpaa2_ethdev.c b/drivers/net/dpaa2/dpaa2_ethdev.c
index dc3865f..030919a 100644
--- a/drivers/net/dpaa2/dpaa2_ethdev.c
+++ b/drivers/net/dpaa2/dpaa2_ethdev.c
@@ -47,32 +47,440 @@
 
 #include <fslmc_logs.h>
 #include <fslmc_vfio.h>
+#include <dpaa2_hw_pvt.h>
+
 #include "dpaa2_ethdev.h"
 
 static struct rte_dpaa2_driver rte_dpaa2_pmd;
 
+static void
+dpaa2_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
+{
+	struct dpaa2_dev_priv *priv = dev->data->dev_private;
+
+	PMD_INIT_FUNC_TRACE();
+
+	dev_info->if_index = priv->hw_id;
+
+	dev_info->max_rx_queues = (uint16_t)priv->nb_rx_queues;
+	dev_info->max_tx_queues = (uint16_t)priv->nb_tx_queues;
+
+	dev_info->speed_capa = ETH_LINK_SPEED_1G |
+			ETH_LINK_SPEED_2_5G |
+			ETH_LINK_SPEED_10G;
+}
+
+static int
+dpaa2_alloc_rx_tx_queues(struct rte_eth_dev *dev)
+{
+	struct dpaa2_dev_priv *priv = dev->data->dev_private;
+	uint16_t dist_idx;
+	uint32_t vq_id;
+	struct dpaa2_queue *mc_q, *mcq;
+	uint32_t tot_queues;
+	int i;
+	struct dpaa2_queue *dpaa2_q;
+
+	PMD_INIT_FUNC_TRACE();
+
+	tot_queues = priv->nb_rx_queues + priv->nb_tx_queues;
+	mc_q = rte_malloc(NULL, sizeof(struct dpaa2_queue) * tot_queues,
+			  RTE_CACHE_LINE_SIZE);
+	if (!mc_q) {
+		PMD_INIT_LOG(ERR, "malloc failed for rx/tx queues\n");
+		return -1;
+	}
+
+	for (i = 0; i < priv->nb_rx_queues; i++) {
+		mc_q->dev = dev;
+		priv->rx_vq[i] = mc_q++;
+		dpaa2_q = (struct dpaa2_queue *)priv->rx_vq[i];
+		dpaa2_q->q_storage = rte_malloc("dq_storage",
+					sizeof(struct queue_storage_info_t),
+					RTE_CACHE_LINE_SIZE);
+		if (!dpaa2_q->q_storage)
+			goto fail;
+
+		memset(dpaa2_q->q_storage, 0,
+		       sizeof(struct queue_storage_info_t));
+		dpaa2_q->q_storage->dq_storage[0] = rte_malloc(NULL,
+			DPAA2_DQRR_RING_SIZE * sizeof(struct qbman_result),
+			RTE_CACHE_LINE_SIZE);
+	}
+
+	for (i = 0; i < priv->nb_tx_queues; i++) {
+		mc_q->dev = dev;
+		mc_q->flow_id = DPNI_NEW_FLOW_ID;
+		priv->tx_vq[i] = mc_q++;
+	}
+
+	vq_id = 0;
+	for (dist_idx = 0; dist_idx < priv->nb_rx_queues; dist_idx++) {
+		mcq = (struct dpaa2_queue *)priv->rx_vq[vq_id];
+		mcq->tc_index = DPAA2_DEF_TC;
+		mcq->flow_id = dist_idx;
+		vq_id++;
+	}
+
+	return 0;
+fail:
+	i -= 1;
+	mc_q = priv->rx_vq[0];
+	while (i >= 0) {
+		dpaa2_q = (struct dpaa2_queue *)priv->rx_vq[i];
+		rte_free(dpaa2_q->q_storage->dq_storage[0]);
+		rte_free(dpaa2_q->q_storage);
+		priv->rx_vq[i--] = NULL;
+	}
+	rte_free(mc_q);
+	return -1;
+}
+
+static int
+dpaa2_eth_dev_configure(struct rte_eth_dev *dev)
+{
+	struct rte_eth_dev_data *data = dev->data;
+	struct rte_eth_conf *eth_conf = &data->dev_conf;
+
+	PMD_INIT_FUNC_TRACE();
+
+	/* Check for correct configuration */
+	if (eth_conf->rxmode.mq_mode != ETH_MQ_RX_RSS &&
+	    data->nb_rx_queues > 1) {
+		PMD_INIT_LOG(ERR, "Distribution is not enabled, "
+			    "but Rx queues more than 1\n");
+		return -1;
+	}
+
+	return 0;
+}
+
+/* Function to setup RX flow information. It contains traffic class ID,
+ * flow ID, destination configuration etc.
+ */
+static int
+dpaa2_dev_rx_queue_setup(struct rte_eth_dev *dev,
+			 uint16_t rx_queue_id,
+			 uint16_t nb_rx_desc __rte_unused,
+			 unsigned int socket_id __rte_unused,
+			 const struct rte_eth_rxconf *rx_conf __rte_unused,
+			 struct rte_mempool *mb_pool)
+{
+	struct dpaa2_dev_priv *priv = dev->data->dev_private;
+	struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
+	struct dpaa2_queue *dpaa2_q;
+	struct dpni_queue cfg;
+	uint8_t options = 0;
+	uint8_t flow_id;
+	int ret;
+
+	PMD_INIT_FUNC_TRACE();
+
+	PMD_INIT_LOG(DEBUG, "dev =%p, queue =%d, pool = %p, conf =%p",
+		     dev, rx_queue_id, mb_pool, rx_conf);
+
+	dpaa2_q = (struct dpaa2_queue *)priv->rx_vq[rx_queue_id];
+	dpaa2_q->mb_pool = mb_pool; /**< mbuf pool to populate RX ring. */
+
+	/*Get the tc id and flow id from given VQ id*/
+	flow_id = rx_queue_id;
+	memset(&cfg, 0, sizeof(struct dpni_queue));
+
+	options = options | DPNI_QUEUE_OPT_USER_CTX;
+	cfg.user_context = (uint64_t)(dpaa2_q);
+
+	ret = dpni_set_queue(dpni, CMD_PRI_LOW, priv->token, DPNI_QUEUE_RX,
+			     dpaa2_q->tc_index, flow_id, options, &cfg);
+	if (ret) {
+		PMD_INIT_LOG(ERR, "Error in setting the rx flow: = %d\n", ret);
+		return -1;
+	}
+
+	dev->data->rx_queues[rx_queue_id] = dpaa2_q;
+	return 0;
+}
+
+static int
+dpaa2_dev_tx_queue_setup(struct rte_eth_dev *dev,
+			 uint16_t tx_queue_id,
+			 uint16_t nb_tx_desc __rte_unused,
+			 unsigned int socket_id __rte_unused,
+			 const struct rte_eth_txconf *tx_conf __rte_unused)
+{
+	struct dpaa2_dev_priv *priv = dev->data->dev_private;
+	struct dpaa2_queue *dpaa2_q = (struct dpaa2_queue *)
+		priv->tx_vq[tx_queue_id];
+	struct fsl_mc_io *dpni = priv->hw;
+	struct dpni_queue tx_conf_cfg;
+	struct dpni_queue tx_flow_cfg;
+	uint8_t options = 0, flow_id;
+	uint32_t tc_id;
+	int ret;
+
+	PMD_INIT_FUNC_TRACE();
+
+	/* Return if queue already configured */
+	if (dpaa2_q->flow_id != DPNI_NEW_FLOW_ID)
+		return 0;
+
+	memset(&tx_conf_cfg, 0, sizeof(struct dpni_queue));
+	memset(&tx_flow_cfg, 0, sizeof(struct dpni_queue));
+
+	tc_id = 0;
+	flow_id = tx_queue_id;
+
+	ret = dpni_set_queue(dpni, CMD_PRI_LOW, priv->token, DPNI_QUEUE_TX,
+			     tc_id, flow_id, options, &tx_flow_cfg);
+	if (ret) {
+		PMD_INIT_LOG(ERR, "Error in setting the tx flow: "
+			     "tc_id=%d, flow =%d ErrorCode = %x\n",
+			     tc_id, flow_id, -ret);
+			return -1;
+	}
+
+	dpaa2_q->flow_id = flow_id;
+
+	if (tx_queue_id == 0) {
+		/*Set tx-conf and error configuration*/
+		ret = dpni_set_tx_confirmation_mode(dpni, CMD_PRI_LOW,
+						    priv->token,
+						    DPNI_CONF_DISABLE);
+		if (ret) {
+			PMD_INIT_LOG(ERR, "Error in set tx conf mode settings"
+				     " ErrorCode = %x", ret);
+			return -1;
+		}
+	}
+	dpaa2_q->tc_index = tc_id;
+
+	dev->data->tx_queues[tx_queue_id] = dpaa2_q;
+	return 0;
+}
+
+static void
+dpaa2_dev_rx_queue_release(void *q __rte_unused)
+{
+	PMD_INIT_FUNC_TRACE();
+}
+
+static void
+dpaa2_dev_tx_queue_release(void *q __rte_unused)
+{
+	PMD_INIT_FUNC_TRACE();
+}
+
+static int
+dpaa2_dev_start(struct rte_eth_dev *dev)
+{
+	struct rte_eth_dev_data *data = dev->data;
+	struct dpaa2_dev_priv *priv = data->dev_private;
+	struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
+	struct dpni_queue cfg;
+	uint16_t qdid;
+	struct dpni_queue_id qid;
+	struct dpaa2_queue *dpaa2_q;
+	int ret, i;
+
+	PMD_INIT_FUNC_TRACE();
+
+	ret = dpni_enable(dpni, CMD_PRI_LOW, priv->token);
+	if (ret) {
+		PMD_INIT_LOG(ERR, "Failure %d in enabling dpni %d device\n",
+			     ret, priv->hw_id);
+		return ret;
+	}
+
+	ret = dpni_get_qdid(dpni, CMD_PRI_LOW, priv->token,
+			    DPNI_QUEUE_TX, &qdid);
+	if (ret) {
+		PMD_INIT_LOG(ERR, "Error to get qdid:ErrorCode = %d\n", ret);
+		return ret;
+	}
+	priv->qdid = qdid;
+
+	for (i = 0; i < data->nb_rx_queues; i++) {
+		dpaa2_q = (struct dpaa2_queue *)data->rx_queues[i];
+		ret = dpni_get_queue(dpni, CMD_PRI_LOW, priv->token,
+				     DPNI_QUEUE_RX, dpaa2_q->tc_index,
+				       dpaa2_q->flow_id, &cfg, &qid);
+		if (ret) {
+			PMD_INIT_LOG(ERR, "Error to get flow "
+				     "information Error code = %d\n", ret);
+			return ret;
+		}
+		dpaa2_q->fqid = qid.fqid;
+	}
+
+	return 0;
+}
+
+/**
+ *  This routine disables all traffic on the adapter by issuing a
+ *  global reset on the MAC.
+ */
+static void
+dpaa2_dev_stop(struct rte_eth_dev *dev)
+{
+	struct dpaa2_dev_priv *priv = dev->data->dev_private;
+	struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
+	int ret;
+
+	PMD_INIT_FUNC_TRACE();
+
+	ret = dpni_disable(dpni, CMD_PRI_LOW, priv->token);
+	if (ret) {
+		PMD_INIT_LOG(ERR, "Failure (ret %d) in disabling dpni %d dev\n",
+			     ret, priv->hw_id);
+		return;
+	}
+}
+
+static void
+dpaa2_dev_close(struct rte_eth_dev *dev)
+{
+	struct dpaa2_dev_priv *priv = dev->data->dev_private;
+	struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
+	int ret;
+
+	PMD_INIT_FUNC_TRACE();
+
+	/* Clean the device first */
+	ret = dpni_reset(dpni, CMD_PRI_LOW, priv->token);
+	if (ret) {
+		PMD_INIT_LOG(ERR, "Failure cleaning dpni device with"
+			     " error code %d\n", ret);
+		return;
+	}
+}
+
+static struct eth_dev_ops dpaa2_ethdev_ops = {
+	.dev_configure	  = dpaa2_eth_dev_configure,
+	.dev_start	      = dpaa2_dev_start,
+	.dev_stop	      = dpaa2_dev_stop,
+	.dev_close	      = dpaa2_dev_close,
+	.dev_infos_get	   = dpaa2_dev_info_get,
+	.rx_queue_setup    = dpaa2_dev_rx_queue_setup,
+	.rx_queue_release  = dpaa2_dev_rx_queue_release,
+	.tx_queue_setup    = dpaa2_dev_tx_queue_setup,
+	.tx_queue_release  = dpaa2_dev_tx_queue_release,
+};
+
 static int
 dpaa2_dev_init(struct rte_eth_dev *eth_dev)
 {
+	struct rte_device *dev = eth_dev->device;
+	struct rte_dpaa2_device *dpaa2_dev;
+	struct fsl_mc_io *dpni_dev;
+	struct dpni_attr attr;
+	struct dpaa2_dev_priv *priv = eth_dev->data->dev_private;
+	int ret, hw_id;
+
 	PMD_INIT_FUNC_TRACE();
 
 	/* For secondary processes, the primary has done all the work */
 	if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 		return 0;
 
+	dpaa2_dev = container_of(dev, struct rte_dpaa2_device, device);
+
+	hw_id = dpaa2_dev->object_id;
+
+	dpni_dev = (struct fsl_mc_io *)malloc(sizeof(struct fsl_mc_io));
+	if (!dpni_dev) {
+		PMD_INIT_LOG(ERR, "malloc failed for dpni device\n");
+		return -1;
+	}
+
+	dpni_dev->regs = rte_mcp_ptr_list[0];
+	ret = dpni_open(dpni_dev, CMD_PRI_LOW, hw_id, &priv->token);
+	if (ret) {
+		PMD_INIT_LOG(ERR, "Failure in opening dpni@%d device with"
+			" error code %d\n", hw_id, ret);
+		return -1;
+	}
+
+	/* Clean the device first */
+	ret = dpni_reset(dpni_dev, CMD_PRI_LOW, priv->token);
+	if (ret) {
+		PMD_INIT_LOG(ERR, "Failure cleaning dpni@%d device with"
+			" error code %d\n", hw_id, ret);
+		return -1;
+	}
+
+	ret = dpni_get_attributes(dpni_dev, CMD_PRI_LOW, priv->token, &attr);
+	if (ret) {
+		PMD_INIT_LOG(ERR, "Failure in getting dpni@%d attribute, "
+			" error code %d\n", hw_id, ret);
+		return -1;
+	}
+
+	priv->num_tc = attr.num_tcs;
+	priv->nb_rx_queues = attr.num_queues;
+	priv->nb_tx_queues = attr.num_queues;
+
+	priv->hw = dpni_dev;
+	priv->hw_id = hw_id;
+	priv->flags = 0;
+
+	/* Allocate memory for hardware structure for queues */
+	ret = dpaa2_alloc_rx_tx_queues(eth_dev);
+	if (ret) {
+		PMD_INIT_LOG(ERR, "dpaa2_alloc_rx_tx_queuesFailed\n");
+		return -ret;
+	}
+
+	eth_dev->dev_ops = &dpaa2_ethdev_ops;
 	eth_dev->data->drv_name = rte_dpaa2_pmd.driver.name;
 
 	return 0;
 }
 
 static int
-dpaa2_dev_uninit(struct rte_eth_dev *eth_dev __rte_unused)
+dpaa2_dev_uninit(struct rte_eth_dev *eth_dev)
 {
+	struct dpaa2_dev_priv *priv = eth_dev->data->dev_private;
+	struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
+	int i, ret;
+	struct dpaa2_queue *dpaa2_q;
+
 	PMD_INIT_FUNC_TRACE();
 
 	if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 		return -EPERM;
 
+	if (!dpni) {
+		PMD_INIT_LOG(WARNING, "Already closed or not started");
+		return -1;
+	}
+
+	dpaa2_dev_close(eth_dev);
+
+	if (priv->rx_vq[0]) {
+		/* cleaning up queue storage */
+		for (i = 0; i < priv->nb_rx_queues; i++) {
+			dpaa2_q = (struct dpaa2_queue *)priv->rx_vq[i];
+			if (dpaa2_q->q_storage)
+				rte_free(dpaa2_q->q_storage);
+		}
+		/*free the all queue memory */
+		rte_free(priv->rx_vq[0]);
+		priv->rx_vq[0] = NULL;
+	}
+
+
+	/*Close the device at underlying layer*/
+	ret = dpni_close(dpni, CMD_PRI_LOW, priv->token);
+	if (ret) {
+		PMD_INIT_LOG(ERR, "Failure closing dpni device with"
+			" error code %d\n", ret);
+	}
+
+	/*Free the allocated memory for ethernet private data and dpni*/
+	priv->hw = NULL;
+	free(dpni);
+
+	eth_dev->dev_ops = NULL;
+
 	return 0;
 }
 
diff --git a/drivers/net/dpaa2/dpaa2_ethdev.h b/drivers/net/dpaa2/dpaa2_ethdev.h
index 5778780..5f599a7 100644
--- a/drivers/net/dpaa2/dpaa2_ethdev.h
+++ b/drivers/net/dpaa2/dpaa2_ethdev.h
@@ -34,11 +34,26 @@
 #ifndef _DPAA2_ETHDEV_H
 #define _DPAA2_ETHDEV_H
 
+#include <mc/fsl_dpni.h>
+#include <mc/fsl_mc_sys.h>
+
+#define MAX_RX_QUEUES		16
+#define MAX_TX_QUEUES		16
+
+/*default tc to be used for ,congestion, distribution etc configuration. */
+#define DPAA2_DEF_TC		0
+
 struct dpaa2_dev_priv {
 	void *hw;
 	int32_t hw_id;
+	int32_t qdid;
 	uint16_t token;
+	uint8_t nb_tx_queues;
+	uint8_t nb_rx_queues;
+	void *rx_vq[MAX_RX_QUEUES];
+	void *tx_vq[MAX_TX_QUEUES];
 
+	uint8_t num_tc;
 	uint8_t flags; /*dpaa2 config flags */
 };
 #endif /* _DPAA2_ETHDEV_H */
-- 
2.1.4