1- Remove duplicate nb_rx/tx_queues fields from internals
2- Remove data->rx/tx_queues allocation, whose auto allocated by
libether
3- Remove duplicate data->rx/tx_queues[i] assignments

Signed-off-by: Ferruh Yigit <ferruh.yigit at intel.com>
---
 drivers/net/ring/rte_eth_ring.c | 52 +++++++++++------------------------------
 1 file changed, 14 insertions(+), 38 deletions(-)

diff --git a/drivers/net/ring/rte_eth_ring.c b/drivers/net/ring/rte_eth_ring.c
index d92b088..47dd5f2 100644
--- a/drivers/net/ring/rte_eth_ring.c
+++ b/drivers/net/ring/rte_eth_ring.c
@@ -59,9 +59,6 @@ struct ring_queue {
 };

 struct pmd_internals {
-       unsigned nb_rx_queues;
-       unsigned nb_tx_queues;
-
        struct ring_queue rx_ring_queues[RTE_PMD_RING_MAX_RX_RINGS];
        struct ring_queue tx_ring_queues[RTE_PMD_RING_MAX_TX_RINGS];

@@ -138,7 +135,7 @@ eth_dev_set_link_up(struct rte_eth_dev *dev)
 }

 static int
-eth_rx_queue_setup(struct rte_eth_dev *dev,uint16_t rx_queue_id,
+eth_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,
@@ -165,12 +162,11 @@ static void
 eth_dev_info(struct rte_eth_dev *dev,
                struct rte_eth_dev_info *dev_info)
 {
-       struct pmd_internals *internals = dev->data->dev_private;
        dev_info->driver_name = drivername;
        dev_info->max_mac_addrs = 1;
        dev_info->max_rx_pktlen = (uint32_t)-1;
-       dev_info->max_rx_queues = (uint16_t)internals->nb_rx_queues;
-       dev_info->max_tx_queues = (uint16_t)internals->nb_tx_queues;
+       dev_info->max_rx_queues = dev->data->nb_rx_queues;
+       dev_info->max_tx_queues = dev->data->nb_tx_queues;
        dev_info->min_rx_bufsize = 0;
        dev_info->pci_dev = NULL;
 }
@@ -183,13 +179,13 @@ eth_stats_get(struct rte_eth_dev *dev, struct 
rte_eth_stats *igb_stats)
        const struct pmd_internals *internal = dev->data->dev_private;

        for (i = 0; i < RTE_ETHDEV_QUEUE_STAT_CNTRS &&
-                       i < internal->nb_rx_queues; i++) {
+                       i < dev->data->nb_rx_queues; i++) {
                igb_stats->q_ipackets[i] = 
internal->rx_ring_queues[i].rx_pkts.cnt;
                rx_total += igb_stats->q_ipackets[i];
        }

        for (i = 0; i < RTE_ETHDEV_QUEUE_STAT_CNTRS &&
-                       i < internal->nb_tx_queues; i++) {
+                       i < dev->data->nb_tx_queues; i++) {
                igb_stats->q_opackets[i] = 
internal->tx_ring_queues[i].tx_pkts.cnt;
                igb_stats->q_errors[i] = 
internal->tx_ring_queues[i].err_pkts.cnt;
                tx_total += igb_stats->q_opackets[i];
@@ -206,9 +202,9 @@ eth_stats_reset(struct rte_eth_dev *dev)
 {
        unsigned i;
        struct pmd_internals *internal = dev->data->dev_private;
-       for (i = 0; i < internal->nb_rx_queues; i++)
+       for (i = 0; i < dev->data->nb_rx_queues; i++)
                internal->rx_ring_queues[i].rx_pkts.cnt = 0;
-       for (i = 0; i < internal->nb_tx_queues; i++) {
+       for (i = 0; i < dev->data->nb_tx_queues; i++) {
                internal->tx_ring_queues[i].tx_pkts.cnt = 0;
                internal->tx_ring_queues[i].err_pkts.cnt = 0;
        }
@@ -262,7 +258,6 @@ rte_eth_from_rings(const char *name, struct rte_ring *const 
rx_queues[],
        struct rte_eth_dev_data *data = NULL;
        struct pmd_internals *internals = NULL;
        struct rte_eth_dev *eth_dev = NULL;
-
        unsigned i;

        /* do some parameter checking */
@@ -291,20 +286,6 @@ rte_eth_from_rings(const char *name, struct rte_ring 
*const rx_queues[],
                goto error;
        }

-       data->rx_queues = rte_zmalloc_socket(name, sizeof(void *) * 
nb_rx_queues,
-                       0, numa_node);
-       if (data->rx_queues == NULL) {
-               rte_errno = ENOMEM;
-               goto error;
-       }
-
-       data->tx_queues = rte_zmalloc_socket(name, sizeof(void *) * 
nb_tx_queues,
-                       0, numa_node);
-       if (data->tx_queues == NULL) {
-               rte_errno = ENOMEM;
-               goto error;
-       }
-
        internals = rte_zmalloc_socket(name, sizeof(*internals), 0, numa_node);
        if (internals == NULL) {
                rte_errno = ENOMEM;
@@ -327,16 +308,11 @@ rte_eth_from_rings(const char *name, struct rte_ring 
*const rx_queues[],
        /* NOTE: we'll replace the data element, of originally allocated eth_dev
         * so the rings are local per-process */

-       internals->nb_rx_queues = nb_rx_queues;
-       internals->nb_tx_queues = nb_tx_queues;
-       for (i = 0; i < nb_rx_queues; i++) {
+       for (i = 0; i < nb_rx_queues; i++)
                internals->rx_ring_queues[i].rng = rx_queues[i];
-               data->rx_queues[i] = &internals->rx_ring_queues[i];
-       }
-       for (i = 0; i < nb_tx_queues; i++) {
+
+       for (i = 0; i < nb_tx_queues; i++)
                internals->tx_ring_queues[i].rng = tx_queues[i];
-               data->tx_queues[i] = &internals->tx_ring_queues[i];
-       }

        data->dev_private = internals;
        data->port_id = eth_dev->data->port_id;
@@ -349,10 +325,10 @@ rte_eth_from_rings(const char *name, struct rte_ring 
*const rx_queues[],
        eth_dev->data = data;
        eth_dev->driver = NULL;
        eth_dev->dev_ops = &ops;
-       eth_dev->data->dev_flags = RTE_ETH_DEV_DETACHABLE;
-       eth_dev->data->kdrv = RTE_KDRV_NONE;
-       eth_dev->data->drv_name = drivername;
-       eth_dev->data->numa_node = numa_node;
+       data->dev_flags = RTE_ETH_DEV_DETACHABLE;
+       data->kdrv = RTE_KDRV_NONE;
+       data->drv_name = drivername;
+       data->numa_node = numa_node;

        TAILQ_INIT(&(eth_dev->link_intr_cbs));

-- 
2.5.0

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