diff options
Diffstat (limited to 'drivers/net/ethernet/google/gve/gve_main.c')
| -rw-r--r-- | drivers/net/ethernet/google/gve/gve_main.c | 41 |
1 files changed, 40 insertions, 1 deletions
diff --git a/drivers/net/ethernet/google/gve/gve_main.c b/drivers/net/ethernet/google/gve/gve_main.c index 126d6533b965..6a147ed4627f 100644 --- a/drivers/net/ethernet/google/gve/gve_main.c +++ b/drivers/net/ethernet/google/gve/gve_main.c @@ -23,7 +23,7 @@ #define GVE_VERSION "1.0.0" #define GVE_VERSION_PREFIX "GVE-" -static const char gve_version_str[] = GVE_VERSION; +const char gve_version_str[] = GVE_VERSION; static const char gve_version_prefix[] = GVE_VERSION_PREFIX; static void gve_get_stats(struct net_device *dev, struct rtnl_link_stats64 *s) @@ -746,6 +746,44 @@ err: return gve_reset_recovery(priv, false); } +int gve_adjust_queues(struct gve_priv *priv, + struct gve_queue_config new_rx_config, + struct gve_queue_config new_tx_config) +{ + int err; + + if (netif_carrier_ok(priv->dev)) { + /* To make this process as simple as possible we teardown the + * device, set the new configuration, and then bring the device + * up again. + */ + err = gve_close(priv->dev); + /* we have already tried to reset in close, + * just fail at this point + */ + if (err) + return err; + priv->tx_cfg = new_tx_config; + priv->rx_cfg = new_rx_config; + + err = gve_open(priv->dev); + if (err) + goto err; + + return 0; + } + /* Set the config for the next up. */ + priv->tx_cfg = new_tx_config; + priv->rx_cfg = new_rx_config; + + return 0; +err: + netif_err(priv, drv, priv->dev, + "Adjust queues failed! !!! DISABLING ALL QUEUES !!!\n"); + gve_turndown(priv); + return err; +} + static void gve_turndown(struct gve_priv *priv) { int idx; @@ -1082,6 +1120,7 @@ static int gve_probe(struct pci_dev *pdev, const struct pci_device_id *ent) } SET_NETDEV_DEV(dev, &pdev->dev); pci_set_drvdata(pdev, dev); + dev->ethtool_ops = &gve_ethtool_ops; dev->netdev_ops = &gve_netdev_ops; /* advertise features */ dev->hw_features = NETIF_F_HIGHDMA; |