net/szedata2: use dynamically allocated queues
authorMatej Vido <vido@cesnet.cz>
Wed, 4 Apr 2018 13:42:19 +0000 (15:42 +0200)
committerFerruh Yigit <ferruh.yigit@intel.com>
Fri, 13 Apr 2018 22:40:21 +0000 (00:40 +0200)
Previously the queues were the part of private data structure of the
Ethernet device.
Now the queues are allocated at setup thus numa-aware allocation is
possible.

Signed-off-by: Matej Vido <vido@cesnet.cz>
drivers/net/szedata2/rte_eth_szedata2.c

index fc11d68..f41716d 100644 (file)
@@ -86,8 +86,6 @@ struct szedata2_tx_queue {
 };
 
 struct pmd_internals {
-       struct szedata2_rx_queue rx_queue[RTE_ETH_SZEDATA2_MAX_RX_QUEUES];
-       struct szedata2_tx_queue tx_queue[RTE_ETH_SZEDATA2_MAX_TX_QUEUES];
        uint16_t max_rx_queues;
        uint16_t max_tx_queues;
        char sze_dev[PATH_MAX];
@@ -1098,17 +1096,18 @@ eth_stats_reset(struct rte_eth_dev *dev)
        uint16_t i;
        uint16_t nb_rx = dev->data->nb_rx_queues;
        uint16_t nb_tx = dev->data->nb_tx_queues;
-       struct pmd_internals *internals = dev->data->dev_private;
 
        for (i = 0; i < nb_rx; i++) {
-               internals->rx_queue[i].rx_pkts = 0;
-               internals->rx_queue[i].rx_bytes = 0;
-               internals->rx_queue[i].err_pkts = 0;
+               struct szedata2_rx_queue *rxq = dev->data->rx_queues[i];
+               rxq->rx_pkts = 0;
+               rxq->rx_bytes = 0;
+               rxq->err_pkts = 0;
        }
        for (i = 0; i < nb_tx; i++) {
-               internals->tx_queue[i].tx_pkts = 0;
-               internals->tx_queue[i].tx_bytes = 0;
-               internals->tx_queue[i].err_pkts = 0;
+               struct szedata2_tx_queue *txq = dev->data->tx_queues[i];
+               txq->tx_pkts = 0;
+               txq->tx_bytes = 0;
+               txq->err_pkts = 0;
        }
 }
 
@@ -1116,9 +1115,11 @@ static void
 eth_rx_queue_release(void *q)
 {
        struct szedata2_rx_queue *rxq = (struct szedata2_rx_queue *)q;
-       if (rxq->sze != NULL) {
-               szedata_close(rxq->sze);
-               rxq->sze = NULL;
+
+       if (rxq != NULL) {
+               if (rxq->sze != NULL)
+                       szedata_close(rxq->sze);
+               rte_free(rxq);
        }
 }
 
@@ -1126,9 +1127,11 @@ static void
 eth_tx_queue_release(void *q)
 {
        struct szedata2_tx_queue *txq = (struct szedata2_tx_queue *)q;
-       if (txq->sze != NULL) {
-               szedata_close(txq->sze);
-               txq->sze = NULL;
+
+       if (txq != NULL) {
+               if (txq->sze != NULL)
+                       szedata_close(txq->sze);
+               rte_free(txq);
        }
 }
 
@@ -1263,23 +1266,42 @@ static int
 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,
+               unsigned int socket_id,
                const struct rte_eth_rxconf *rx_conf __rte_unused,
                struct rte_mempool *mb_pool)
 {
        struct pmd_internals *internals = dev->data->dev_private;
-       struct szedata2_rx_queue *rxq = &internals->rx_queue[rx_queue_id];
+       struct szedata2_rx_queue *rxq;
        int ret;
        uint32_t rx = 1 << rx_queue_id;
        uint32_t tx = 0;
 
+       if (dev->data->rx_queues[rx_queue_id] != NULL) {
+               eth_rx_queue_release(dev->data->rx_queues[rx_queue_id]);
+               dev->data->rx_queues[rx_queue_id] = NULL;
+       }
+
+       rxq = rte_zmalloc_socket("szedata2 rx queue",
+                       sizeof(struct szedata2_rx_queue),
+                       RTE_CACHE_LINE_SIZE, socket_id);
+       if (rxq == NULL) {
+               RTE_LOG(ERR, PMD, "rte_zmalloc_socket() failed for rx queue id "
+                               "%" PRIu16 "!\n", rx_queue_id);
+               return -ENOMEM;
+       }
+
        rxq->sze = szedata_open(internals->sze_dev);
-       if (rxq->sze == NULL)
+       if (rxq->sze == NULL) {
+               RTE_LOG(ERR, PMD, "szedata_open() failed for rx queue id "
+                               "%" PRIu16 "!\n", rx_queue_id);
+               eth_rx_queue_release(rxq);
                return -EINVAL;
+       }
        ret = szedata_subscribe3(rxq->sze, &rx, &tx);
        if (ret != 0 || rx == 0) {
-               szedata_close(rxq->sze);
-               rxq->sze = NULL;
+               RTE_LOG(ERR, PMD, "szedata_subscribe3() failed for rx queue id "
+                               "%" PRIu16 "!\n", rx_queue_id);
+               eth_rx_queue_release(rxq);
                return -EINVAL;
        }
        rxq->rx_channel = rx_queue_id;
@@ -1290,6 +1312,10 @@ eth_rx_queue_setup(struct rte_eth_dev *dev,
        rxq->err_pkts = 0;
 
        dev->data->rx_queues[rx_queue_id] = rxq;
+
+       RTE_LOG(DEBUG, PMD, "Configured rx queue id %" PRIu16 " on socket "
+                       "%u.\n", rx_queue_id, socket_id);
+
        return 0;
 }
 
@@ -1297,22 +1323,41 @@ static int
 eth_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,
+               unsigned int socket_id,
                const struct rte_eth_txconf *tx_conf __rte_unused)
 {
        struct pmd_internals *internals = dev->data->dev_private;
-       struct szedata2_tx_queue *txq = &internals->tx_queue[tx_queue_id];
+       struct szedata2_tx_queue *txq;
        int ret;
        uint32_t rx = 0;
        uint32_t tx = 1 << tx_queue_id;
 
+       if (dev->data->tx_queues[tx_queue_id] != NULL) {
+               eth_tx_queue_release(dev->data->tx_queues[tx_queue_id]);
+               dev->data->tx_queues[tx_queue_id] = NULL;
+       }
+
+       txq = rte_zmalloc_socket("szedata2 tx queue",
+                       sizeof(struct szedata2_tx_queue),
+                       RTE_CACHE_LINE_SIZE, socket_id);
+       if (txq == NULL) {
+               RTE_LOG(ERR, PMD, "rte_zmalloc_socket() failed for tx queue id "
+                               "%" PRIu16 "!\n", tx_queue_id);
+               return -ENOMEM;
+       }
+
        txq->sze = szedata_open(internals->sze_dev);
-       if (txq->sze == NULL)
+       if (txq->sze == NULL) {
+               RTE_LOG(ERR, PMD, "szedata_open() failed for tx queue id "
+                               "%" PRIu16 "!\n", tx_queue_id);
+               eth_tx_queue_release(txq);
                return -EINVAL;
+       }
        ret = szedata_subscribe3(txq->sze, &rx, &tx);
        if (ret != 0 || tx == 0) {
-               szedata_close(txq->sze);
-               txq->sze = NULL;
+               RTE_LOG(ERR, PMD, "szedata_subscribe3() failed for tx queue id "
+                               "%" PRIu16 "!\n", tx_queue_id);
+               eth_tx_queue_release(txq);
                return -EINVAL;
        }
        txq->tx_channel = tx_queue_id;
@@ -1321,6 +1366,10 @@ eth_tx_queue_setup(struct rte_eth_dev *dev,
        txq->err_pkts = 0;
 
        dev->data->tx_queues[tx_queue_id] = txq;
+
+       RTE_LOG(DEBUG, PMD, "Configured tx queue id %" PRIu16 " on socket "
+                       "%u.\n", tx_queue_id, socket_id);
+
        return 0;
 }