net/i40e: fix queue related exception handling

[dpdk.git] / drivers / net / i40e / i40e_ethdev.c

diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c
index c68fba1..970a31c 100644 (file)
--- a/drivers/net/i40e/i40e_ethdev.c
+++ b/drivers/net/i40e/i40e_ethdev.c
@@ -2280,6 +2280,7 @@ i40e_dev_start(struct rte_eth_dev *dev)
        struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
        uint32_t intr_vector = 0;
        struct i40e_vsi *vsi;
+       uint16_t nb_rxq, nb_txq;
 
        hw->adapter_stopped = 0;
 
@@ -2311,7 +2312,7 @@ i40e_dev_start(struct rte_eth_dev *dev)
        ret = i40e_dev_rxtx_init(pf);
        if (ret != I40E_SUCCESS) {
                PMD_DRV_LOG(ERR, "Failed to init rx/tx queues");
-               goto err_up;
+               return ret;
        }
 
        /* Map queues with MSIX interrupt */
@@ -2336,10 +2337,16 @@ i40e_dev_start(struct rte_eth_dev *dev)
        }
 
        /* Enable all queues which have been configured */
-       ret = i40e_dev_switch_queues(pf, TRUE);
-       if (ret != I40E_SUCCESS) {
-               PMD_DRV_LOG(ERR, "Failed to enable VSI");
-               goto err_up;
+       for (nb_rxq = 0; nb_rxq < dev->data->nb_rx_queues; nb_rxq++) {
+               ret = i40e_dev_rx_queue_start(dev, nb_rxq);
+               if (ret)
+                       goto rx_err;
+       }
+
+       for (nb_txq = 0; nb_txq < dev->data->nb_tx_queues; nb_txq++) {
+               ret = i40e_dev_tx_queue_start(dev, nb_txq);
+               if (ret)
+                       goto tx_err;
        }
 
        /* Enable receiving broadcast packets */
@@ -2369,7 +2376,7 @@ i40e_dev_start(struct rte_eth_dev *dev)
                ret = i40e_aq_set_lb_modes(hw, dev->data->dev_conf.lpbk_mode, NULL);
                if (ret != I40E_SUCCESS) {
                        PMD_DRV_LOG(ERR, "fail to set loopback link");
-                       goto err_up;
+                       goto tx_err;
                }
        }
 
@@ -2377,7 +2384,7 @@ i40e_dev_start(struct rte_eth_dev *dev)
        ret = i40e_apply_link_speed(dev);
        if (I40E_SUCCESS != ret) {
                PMD_DRV_LOG(ERR, "Fail to apply link setting");
-               goto err_up;
+               goto tx_err;
        }
 
        if (!rte_intr_allow_others(intr_handle)) {
@@ -2420,9 +2427,12 @@ i40e_dev_start(struct rte_eth_dev *dev)
 
        return I40E_SUCCESS;
 
-err_up:
-       i40e_dev_switch_queues(pf, FALSE);
-       i40e_dev_clear_queues(dev);
+tx_err:
+       for (i = 0; i < nb_txq; i++)
+               i40e_dev_tx_queue_stop(dev, i);
+rx_err:
+       for (i = 0; i < nb_rxq; i++)
+               i40e_dev_rx_queue_stop(dev, i);
 
        return ret;
 }
@@ -2446,7 +2456,11 @@ i40e_dev_stop(struct rte_eth_dev *dev)
        }
 
        /* Disable all queues */
-       i40e_dev_switch_queues(pf, FALSE);
+       for (i = 0; i < dev->data->nb_tx_queues; i++)
+               i40e_dev_tx_queue_stop(dev, i);
+
+       for (i = 0; i < dev->data->nb_rx_queues; i++)
+               i40e_dev_rx_queue_stop(dev, i);
 
        /* un-map queues with interrupt registers */
        i40e_vsi_disable_queues_intr(main_vsi);
@@ -6286,33 +6300,6 @@ i40e_switch_tx_queue(struct i40e_hw *hw, uint16_t q_idx, bool on)
        return I40E_SUCCESS;
 }
 
-/* Swith on or off the tx queues */
-static int
-i40e_dev_switch_tx_queues(struct i40e_pf *pf, bool on)
-{
-       struct rte_eth_dev_data *dev_data = pf->dev_data;
-       struct i40e_tx_queue *txq;
-       struct rte_eth_dev *dev = pf->adapter->eth_dev;
-       uint16_t i;
-       int ret;
-
-       for (i = 0; i < dev_data->nb_tx_queues; i++) {
-               txq = dev_data->tx_queues[i];
-               /* Don't operate the queue if not configured or
-                * if starting only per queue */
-               if (!txq || !txq->q_set || (on && txq->tx_deferred_start))
-                       continue;
-               if (on)
-                       ret = i40e_dev_tx_queue_start(dev, i);
-               else
-                       ret = i40e_dev_tx_queue_stop(dev, i);
-               if ( ret != I40E_SUCCESS)
-                       return ret;
-       }
-
-       return I40E_SUCCESS;
-}
-
 int
 i40e_switch_rx_queue(struct i40e_hw *hw, uint16_t q_idx, bool on)
 {
@@ -6364,59 +6351,6 @@ i40e_switch_rx_queue(struct i40e_hw *hw, uint16_t q_idx, bool on)
 
        return I40E_SUCCESS;
 }
-/* Switch on or off the rx queues */
-static int
-i40e_dev_switch_rx_queues(struct i40e_pf *pf, bool on)
-{
-       struct rte_eth_dev_data *dev_data = pf->dev_data;
-       struct i40e_rx_queue *rxq;
-       struct rte_eth_dev *dev = pf->adapter->eth_dev;
-       uint16_t i;
-       int ret;
-
-       for (i = 0; i < dev_data->nb_rx_queues; i++) {
-               rxq = dev_data->rx_queues[i];
-               /* Don't operate the queue if not configured or
-                * if starting only per queue */
-               if (!rxq || !rxq->q_set || (on && rxq->rx_deferred_start))
-                       continue;
-               if (on)
-                       ret = i40e_dev_rx_queue_start(dev, i);
-               else
-                       ret = i40e_dev_rx_queue_stop(dev, i);
-               if (ret != I40E_SUCCESS)
-                       return ret;
-       }
-
-       return I40E_SUCCESS;
-}
-
-/* Switch on or off all the rx/tx queues */
-int
-i40e_dev_switch_queues(struct i40e_pf *pf, bool on)
-{
-       int ret;
-
-       if (on) {
-               /* enable rx queues before enabling tx queues */
-               ret = i40e_dev_switch_rx_queues(pf, on);
-               if (ret) {
-                       PMD_DRV_LOG(ERR, "Failed to switch rx queues");
-                       return ret;
-               }
-               ret = i40e_dev_switch_tx_queues(pf, on);
-       } else {
-               /* Stop tx queues before stopping rx queues */
-               ret = i40e_dev_switch_tx_queues(pf, on);
-               if (ret) {
-                       PMD_DRV_LOG(ERR, "Failed to switch tx queues");
-                       return ret;
-               }
-               ret = i40e_dev_switch_rx_queues(pf, on);
-       }
-
-       return ret;
-}
 
 /* Initialize VSI for TX */
 static int