diff options
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/ixgbe/ixgbe_ethtool.c | 64 |
1 files changed, 30 insertions, 34 deletions
diff --git a/drivers/net/ixgbe/ixgbe_ethtool.c b/drivers/net/ixgbe/ixgbe_ethtool.c index 849c1fe2820..67f87a79154 100644 --- a/drivers/net/ixgbe/ixgbe_ethtool.c +++ b/drivers/net/ixgbe/ixgbe_ethtool.c @@ -712,30 +712,15 @@ static int ixgbe_set_ringparam(struct net_device *netdev, return 0; } - if (adapter->num_tx_queues > adapter->num_rx_queues) - temp_ring = vmalloc(adapter->num_tx_queues * - sizeof(struct ixgbe_ring)); - else - temp_ring = vmalloc(adapter->num_rx_queues * - sizeof(struct ixgbe_ring)); + temp_ring = kcalloc(adapter->num_tx_queues, + sizeof(struct ixgbe_ring), GFP_KERNEL); if (!temp_ring) return -ENOMEM; while (test_and_set_bit(__IXGBE_RESETTING, &adapter->state)) msleep(1); - if (netif_running(netdev)) - ixgbe_down(adapter); - - /* - * We can't just free everything and then setup again, - * because the ISRs in MSI-X mode get passed pointers - * to the tx and rx ring structs. - */ if (new_tx_count != adapter->tx_ring->count) { - memcpy(temp_ring, adapter->tx_ring, - adapter->num_tx_queues * sizeof(struct ixgbe_ring)); - for (i = 0; i < adapter->num_tx_queues; i++) { temp_ring[i].count = new_tx_count; err = ixgbe_setup_tx_resources(adapter, &temp_ring[i]); @@ -747,21 +732,28 @@ static int ixgbe_set_ringparam(struct net_device *netdev, } goto err_setup; } + temp_ring[i].v_idx = adapter->tx_ring[i].v_idx; } - - for (i = 0; i < adapter->num_tx_queues; i++) - ixgbe_free_tx_resources(adapter, &adapter->tx_ring[i]); - - memcpy(adapter->tx_ring, temp_ring, - adapter->num_tx_queues * sizeof(struct ixgbe_ring)); - + if (netif_running(netdev)) + netdev->netdev_ops->ndo_stop(netdev); + ixgbe_reset_interrupt_capability(adapter); + ixgbe_napi_del_all(adapter); + INIT_LIST_HEAD(&netdev->napi_list); + kfree(adapter->tx_ring); + adapter->tx_ring = temp_ring; + temp_ring = NULL; adapter->tx_ring_count = new_tx_count; } - if (new_rx_count != adapter->rx_ring->count) { - memcpy(temp_ring, adapter->rx_ring, - adapter->num_rx_queues * sizeof(struct ixgbe_ring)); + temp_ring = kcalloc(adapter->num_rx_queues, + sizeof(struct ixgbe_ring), GFP_KERNEL); + if (!temp_ring) { + if (netif_running(netdev)) + netdev->netdev_ops->ndo_open(netdev); + return -ENOMEM; + } + if (new_rx_count != adapter->rx_ring->count) { for (i = 0; i < adapter->num_rx_queues; i++) { temp_ring[i].count = new_rx_count; err = ixgbe_setup_rx_resources(adapter, &temp_ring[i]); @@ -773,13 +765,16 @@ static int ixgbe_set_ringparam(struct net_device *netdev, } goto err_setup; } + temp_ring[i].v_idx = adapter->rx_ring[i].v_idx; } - - for (i = 0; i < adapter->num_rx_queues; i++) - ixgbe_free_rx_resources(adapter, &adapter->rx_ring[i]); - - memcpy(adapter->rx_ring, temp_ring, - adapter->num_rx_queues * sizeof(struct ixgbe_ring)); + if (netif_running(netdev)) + netdev->netdev_ops->ndo_stop(netdev); + ixgbe_reset_interrupt_capability(adapter); + ixgbe_napi_del_all(adapter); + INIT_LIST_HEAD(&netdev->napi_list); + kfree(adapter->rx_ring); + adapter->rx_ring = temp_ring; + temp_ring = NULL; adapter->rx_ring_count = new_rx_count; } @@ -787,8 +782,9 @@ static int ixgbe_set_ringparam(struct net_device *netdev, /* success! */ err = 0; err_setup: + ixgbe_init_interrupt_scheme(adapter); if (netif_running(netdev)) - ixgbe_up(adapter); + netdev->netdev_ops->ndo_open(netdev); clear_bit(__IXGBE_RESETTING, &adapter->state); return err; |