e1000: update RX/TX queue configuration
authorIntel <intel.com>
Wed, 19 Dec 2012 23:00:00 +0000 (00:00 +0100)
committerThomas Monjalon <thomas.monjalon@6wind.com>
Thu, 25 Jul 2013 13:40:55 +0000 (15:40 +0200)
Queues are allocated by rte_ether.

Signed-off-by: Intel
lib/librte_pmd_e1000/e1000_ethdev.h
lib/librte_pmd_e1000/igb_ethdev.c
lib/librte_pmd_e1000/igb_rxtx.c

index a342f23..3f33034 100644 (file)
@@ -85,10 +85,10 @@ struct e1000_adapter {
        (&((struct e1000_adapter *)adapter)->shadow_vfta)
 
 /*
- * RX/TX function prototypes
+ * RX/TX IGB function prototypes
  */
-int igb_dev_tx_queue_alloc(struct rte_eth_dev *dev, uint16_t nb_queues);
-int igb_dev_rx_queue_alloc(struct rte_eth_dev *dev, uint16_t nb_queues);
+void eth_igb_tx_queue_release(void *txq);
+void eth_igb_rx_queue_release(void *rxq);
 void igb_dev_clear_queues(struct rte_eth_dev *dev);
 
 int eth_igb_rx_queue_setup(struct rte_eth_dev *dev, uint16_t rx_queue_id,
@@ -104,13 +104,13 @@ int eth_igb_rx_init(struct rte_eth_dev *dev);
 
 void eth_igb_tx_init(struct rte_eth_dev *dev);
 
-uint16_t eth_igb_xmit_pkts(struct igb_tx_queue *txq, struct rte_mbuf **tx_pkts,
+uint16_t eth_igb_xmit_pkts(void *txq, struct rte_mbuf **tx_pkts,
                uint16_t nb_pkts);
 
-uint16_t eth_igb_recv_pkts(struct igb_rx_queue *rxq, struct rte_mbuf **rx_pkts,
+uint16_t eth_igb_recv_pkts(void *rxq, struct rte_mbuf **rx_pkts,
                uint16_t nb_pkts);
 
-uint16_t eth_igb_recv_scattered_pkts(struct igb_rx_queue *rxq,
+uint16_t eth_igb_recv_scattered_pkts(void *rxq,
                struct rte_mbuf **rx_pkts, uint16_t nb_pkts);
 
 int eth_igbvf_rx_init(struct rte_eth_dev *dev);
index 1732c79..71b6ac0 100644 (file)
@@ -57,8 +57,7 @@
 #include "e1000/e1000_api.h"
 #include "e1000_ethdev.h"
 
-static int  eth_igb_configure(struct rte_eth_dev *dev, uint16_t nb_rx_q,
-               uint16_t nb_tx_q);
+static int  eth_igb_configure(struct rte_eth_dev *dev);
 static int  eth_igb_start(struct rte_eth_dev *dev);
 static void eth_igb_stop(struct rte_eth_dev *dev);
 static void eth_igb_close(struct rte_eth_dev *dev);
@@ -177,7 +176,9 @@ static struct eth_dev_ops eth_igb_ops = {
        .vlan_tpid_set        = eth_igb_vlan_tpid_set,
        .vlan_offload_set     = eth_igb_vlan_offload_set,
        .rx_queue_setup       = eth_igb_rx_queue_setup,
+       .rx_queue_release     = eth_igb_rx_queue_release,
        .tx_queue_setup       = eth_igb_tx_queue_setup,
+       .tx_queue_release     = eth_igb_tx_queue_release,
        .dev_led_on           = eth_igb_led_on,
        .dev_led_off          = eth_igb_led_off,
        .flow_ctrl_set        = eth_igb_flow_ctrl_set,
@@ -500,35 +501,15 @@ rte_igbvf_pmd_init(void)
 }
 
 static int
-eth_igb_configure(struct rte_eth_dev *dev, uint16_t nb_rx_q, uint16_t nb_tx_q)
+eth_igb_configure(struct rte_eth_dev *dev)
 {
        struct e1000_interrupt *intr =
                E1000_DEV_PRIVATE_TO_INTR(dev->data->dev_private);
-       int diag;
 
        PMD_INIT_LOG(DEBUG, ">>");
 
        intr->flags |= E1000_FLAG_NEED_LINK_UPDATE;
 
-       /* Allocate the array of pointers to RX structures */
-       diag = igb_dev_rx_queue_alloc(dev, nb_rx_q);
-       if (diag != 0) {
-               PMD_INIT_LOG(ERR, "ethdev port_id=%u allocation of array of %u"
-                                       " pointers to RX queues failed",
-                                       dev->data->port_id, nb_rx_q);
-               return diag;
-       }
-
-       /* Allocate the array of pointers to TX structures */
-       diag = igb_dev_tx_queue_alloc(dev, nb_tx_q);
-       if (diag != 0) {
-               PMD_INIT_LOG(ERR, "ethdev port_id=%u allocation of array of %u"
-                                       " pointers to TX queues failed",
-                                       dev->data->port_id, nb_tx_q);
-
-               return diag;
-       }
-
        PMD_INIT_LOG(DEBUG, "<<");
 
        return (0);
@@ -539,7 +520,7 @@ eth_igb_start(struct rte_eth_dev *dev)
 {
        struct e1000_hw *hw =
                E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
-       int ret, i;
+       int ret, i, mask;
 
        PMD_INIT_LOG(DEBUG, ">>");
 
@@ -566,7 +547,7 @@ eth_igb_start(struct rte_eth_dev *dev)
        /* Initialize the hardware */
        if (igb_hardware_init(hw)) {
                PMD_INIT_LOG(ERR, "Unable to initialize the hardware");
-               return (-1);
+               return (-EIO);
        }
 
        E1000_WRITE_REG(hw, E1000_VET, ETHER_TYPE_VLAN);
@@ -580,6 +561,7 @@ eth_igb_start(struct rte_eth_dev *dev)
        ret = eth_igb_rx_init(dev);
        if (ret) {
                PMD_INIT_LOG(ERR, "Unable to initialize RX hardware");
+               igb_dev_clear_queues(dev);
                return ret;
        }
 
@@ -685,7 +667,8 @@ error_invalid_config:
        PMD_INIT_LOG(ERR, "Invalid link_speed/link_duplex (%u/%u) for port %u\n",
                        dev->data->dev_conf.link_speed,
                        dev->data->dev_conf.link_duplex, dev->data->port_id);
-       return -1;
+       igb_dev_clear_queues(dev);
+       return (-EINVAL);
 }
 
 /*********************************************************************
index b59e1aa..1dcf801 100644 (file)
@@ -315,9 +315,10 @@ tx_desc_vlan_flags_to_cmdtype(uint16_t ol_flags)
 }
 
 uint16_t
-eth_igb_xmit_pkts(struct igb_tx_queue *txq, struct rte_mbuf **tx_pkts,
+eth_igb_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
               uint16_t nb_pkts)
 {
+       struct igb_tx_queue *txq;
        struct igb_tx_entry *sw_ring;
        struct igb_tx_entry *txe, *txn;
        volatile union e1000_adv_tx_desc *txr;
@@ -339,6 +340,7 @@ eth_igb_xmit_pkts(struct igb_tx_queue *txq, struct rte_mbuf **tx_pkts,
        uint32_t ctx;
        uint32_t vlan_macip_lens;
 
+       txq = tx_queue;
        sw_ring = txq->sw_ring;
        txr     = txq->tx_ring;
        tx_id   = txq->tx_tail;
@@ -610,9 +612,10 @@ rx_desc_error_to_pkt_flags(uint32_t rx_status)
 }
 
 uint16_t
-eth_igb_recv_pkts(struct igb_rx_queue *rxq, struct rte_mbuf **rx_pkts,
+eth_igb_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
               uint16_t nb_pkts)
 {
+       struct igb_rx_queue *rxq;
        volatile union e1000_adv_rx_desc *rx_ring;
        volatile union e1000_adv_rx_desc *rxdp;
        struct igb_rx_entry *sw_ring;
@@ -631,6 +634,7 @@ eth_igb_recv_pkts(struct igb_rx_queue *rxq, struct rte_mbuf **rx_pkts,
 
        nb_rx = 0;
        nb_hold = 0;
+       rxq = rx_queue;
        rx_id = rxq->rx_tail;
        rx_ring = rxq->rx_ring;
        sw_ring = rxq->sw_ring;
@@ -786,9 +790,10 @@ eth_igb_recv_pkts(struct igb_rx_queue *rxq, struct rte_mbuf **rx_pkts,
 }
 
 uint16_t
-eth_igb_recv_scattered_pkts(struct igb_rx_queue *rxq, struct rte_mbuf **rx_pkts,
+eth_igb_recv_scattered_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
                         uint16_t nb_pkts)
 {
+       struct igb_rx_queue *rxq;
        volatile union e1000_adv_rx_desc *rx_ring;
        volatile union e1000_adv_rx_desc *rxdp;
        struct igb_rx_entry *sw_ring;
@@ -809,6 +814,7 @@ eth_igb_recv_scattered_pkts(struct igb_rx_queue *rxq, struct rte_mbuf **rx_pkts,
 
        nb_rx = 0;
        nb_hold = 0;
+       rxq = rx_queue;
        rx_id = rxq->rx_tail;
        rx_ring = rxq->rx_ring;
        sw_ring = rxq->sw_ring;
@@ -1092,47 +1098,17 @@ igb_tx_queue_release_mbufs(struct igb_tx_queue *txq)
 static void
 igb_tx_queue_release(struct igb_tx_queue *txq)
 {
+       if (txq != NULL) {
        igb_tx_queue_release_mbufs(txq);
         rte_free(txq->sw_ring);
         rte_free(txq);
+       }
 }
 
-int
-igb_dev_tx_queue_alloc(struct rte_eth_dev *dev, uint16_t nb_queues)
+void
+eth_igb_tx_queue_release(void *txq)
 {
-       uint16_t i, old_nb_queues = dev->data->nb_tx_queues;
-       struct igb_tx_queue **txq;
-
-       if (dev->data->tx_queues == NULL) {
-               dev->data->tx_queues = rte_zmalloc("ethdev->tx_queues",
-                               sizeof(struct igb_tx_queue *) * nb_queues,
-                                                       CACHE_LINE_SIZE);
-               if (dev->data->tx_queues == NULL) {
-                       dev->data->nb_tx_queues = 0;
-                       return -ENOMEM;
-               }
-       } else {
-               if (nb_queues < old_nb_queues)
-                       for (i = nb_queues; i < old_nb_queues; i++)
-                               igb_tx_queue_release(dev->data->tx_queues[i]);
-
-               if (nb_queues != old_nb_queues) {
-                       txq = rte_realloc(dev->data->tx_queues,
-                               sizeof(struct igb_tx_queue *) * nb_queues,
-                                                       CACHE_LINE_SIZE);
-                       if (txq == NULL)
-                               return -ENOMEM;
-                       else
-                               dev->data->tx_queues = txq;
-                       if (nb_queues > old_nb_queues)
-                               memset(&(txq[old_nb_queues]), 0,
-                                       sizeof(struct igb_tx_queue *) *
-                                       (nb_queues - old_nb_queues));
-               }
-       }
-       dev->data->nb_tx_queues = nb_queues;
-
-       return 0;
+       igb_tx_queue_release(txq);
 }
 
 static void
@@ -1293,47 +1269,17 @@ igb_rx_queue_release_mbufs(struct igb_rx_queue *rxq)
 static void
 igb_rx_queue_release(struct igb_rx_queue *rxq)
 {
+       if (rxq != NULL) {
        igb_rx_queue_release_mbufs(rxq);
        rte_free(rxq->sw_ring);
        rte_free(rxq);
+       }
 }
 
-int
-igb_dev_rx_queue_alloc(struct rte_eth_dev *dev, uint16_t nb_queues)
+void
+eth_igb_rx_queue_release(void *rxq)
 {
-       uint16_t i, old_nb_queues = dev->data->nb_rx_queues;
-       struct igb_rx_queue **rxq;
-
-       if (dev->data->rx_queues == NULL) {
-               dev->data->rx_queues = rte_zmalloc("ethdev->rx_queues",
-                               sizeof(struct igb_rx_queue *) * nb_queues,
-                                                       CACHE_LINE_SIZE);
-               if (dev->data->rx_queues == NULL) {
-                       dev->data->nb_rx_queues = 0;
-                       return -ENOMEM;
-               }
-       } else {
-               for (i = nb_queues; i < old_nb_queues; i++) {
-                       igb_rx_queue_release(dev->data->rx_queues[i]);
-                       dev->data->rx_queues[i] = NULL;
-               }
-               if (nb_queues != old_nb_queues) {
-                       rxq = rte_realloc(dev->data->rx_queues,
-                               sizeof(struct igb_rx_queue *) * nb_queues,
-                                                       CACHE_LINE_SIZE);
-                       if (rxq == NULL)
-                               return -ENOMEM;
-                       else
-                               dev->data->rx_queues = rxq;
-                       if (nb_queues > old_nb_queues)
-                               memset(&(rxq[old_nb_queues]), 0,
-                                       sizeof(struct igb_rx_queue *) *
-                                       (nb_queues - old_nb_queues));
-               }
-       }
-       dev->data->nb_rx_queues = nb_queues;
-
-       return 0;
+       igb_rx_queue_release(rxq);
 }
 
 static void
@@ -1442,15 +1388,19 @@ igb_dev_clear_queues(struct rte_eth_dev *dev)
 
        for (i = 0; i < dev->data->nb_tx_queues; i++) {
                txq = dev->data->tx_queues[i];
+               if (txq != NULL) {
                igb_tx_queue_release_mbufs(txq);
                igb_reset_tx_queue(txq, dev);
        }
+       }
 
        for (i = 0; i < dev->data->nb_rx_queues; i++) {
                rxq = dev->data->rx_queues[i];
+               if (rxq != NULL) {
                igb_rx_queue_release_mbufs(rxq);
                igb_reset_rx_queue(rxq);
        }
+       }
 }
 
 /**
@@ -1647,10 +1597,8 @@ eth_igb_rx_init(struct rte_eth_dev *dev)
 
                /* Allocate buffers for descriptor rings and set up queue */
                ret = igb_alloc_rx_queue_mbufs(rxq);
-               if (ret) {
-                       igb_dev_clear_queues(dev);
+               if (ret)
                        return ret;
-               }
 
                /*
                 * Reset crc_len in case it was changed after queue setup by a