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path: root/drivers/net/ixgbe/ixgbe_ethtool.c
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Diffstat (limited to 'drivers/net/ixgbe/ixgbe_ethtool.c')
-rw-r--r--drivers/net/ixgbe/ixgbe_ethtool.c129
1 files changed, 83 insertions, 46 deletions
diff --git a/drivers/net/ixgbe/ixgbe_ethtool.c b/drivers/net/ixgbe/ixgbe_ethtool.c
index 18ecba7f6ecb..aafc120f164e 100644
--- a/drivers/net/ixgbe/ixgbe_ethtool.c
+++ b/drivers/net/ixgbe/ixgbe_ethtool.c
@@ -129,6 +129,15 @@ static int ixgbe_get_settings(struct net_device *netdev,
ecmd->advertising |= ADVERTISED_10000baseT_Full;
if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_1GB_FULL)
ecmd->advertising |= ADVERTISED_1000baseT_Full;
+ /*
+ * It's possible that phy.autoneg_advertised may not be
+ * set yet. If so display what the default would be -
+ * both 1G and 10G supported.
+ */
+ if (!(ecmd->advertising & (ADVERTISED_1000baseT_Full |
+ ADVERTISED_10000baseT_Full)))
+ ecmd->advertising |= (ADVERTISED_10000baseT_Full |
+ ADVERTISED_1000baseT_Full);
ecmd->port = PORT_TP;
} else if (hw->phy.media_type == ixgbe_media_type_backplane) {
@@ -225,7 +234,16 @@ static void ixgbe_get_pauseparam(struct net_device *netdev,
struct ixgbe_adapter *adapter = netdev_priv(netdev);
struct ixgbe_hw *hw = &adapter->hw;
- pause->autoneg = (hw->fc.current_mode == ixgbe_fc_full ? 1 : 0);
+ /*
+ * Flow Control Autoneg isn't on if
+ * - we didn't ask for it OR
+ * - it failed, we know this by tx & rx being off
+ */
+ if (hw->fc.disable_fc_autoneg ||
+ (hw->fc.current_mode == ixgbe_fc_none))
+ pause->autoneg = 0;
+ else
+ pause->autoneg = 1;
if (hw->fc.current_mode == ixgbe_fc_rx_pause) {
pause->rx_pause = 1;
@@ -243,8 +261,12 @@ static int ixgbe_set_pauseparam(struct net_device *netdev,
struct ixgbe_adapter *adapter = netdev_priv(netdev);
struct ixgbe_hw *hw = &adapter->hw;
- if ((pause->autoneg == AUTONEG_ENABLE) ||
- (pause->rx_pause && pause->tx_pause))
+ if (pause->autoneg != AUTONEG_ENABLE)
+ hw->fc.disable_fc_autoneg = true;
+ else
+ hw->fc.disable_fc_autoneg = false;
+
+ if (pause->rx_pause && pause->tx_pause)
hw->fc.requested_mode = ixgbe_fc_full;
else if (pause->rx_pause && !pause->tx_pause)
hw->fc.requested_mode = ixgbe_fc_rx_pause;
@@ -712,9 +734,10 @@ static int ixgbe_set_ringparam(struct net_device *netdev,
struct ethtool_ringparam *ring)
{
struct ixgbe_adapter *adapter = netdev_priv(netdev);
- struct ixgbe_ring *temp_ring;
+ struct ixgbe_ring *temp_tx_ring, *temp_rx_ring;
int i, err;
u32 new_rx_count, new_tx_count;
+ bool need_update = false;
if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
return -EINVAL;
@@ -733,80 +756,94 @@ static int ixgbe_set_ringparam(struct net_device *netdev,
return 0;
}
- 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 (new_tx_count != adapter->tx_ring->count) {
+ temp_tx_ring = kcalloc(adapter->num_tx_queues,
+ sizeof(struct ixgbe_ring), GFP_KERNEL);
+ if (!temp_tx_ring) {
+ err = -ENOMEM;
+ goto err_setup;
+ }
+
+ if (new_tx_count != adapter->tx_ring_count) {
+ memcpy(temp_tx_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]);
+ temp_tx_ring[i].count = new_tx_count;
+ err = ixgbe_setup_tx_resources(adapter,
+ &temp_tx_ring[i]);
if (err) {
while (i) {
i--;
ixgbe_free_tx_resources(adapter,
- &temp_ring[i]);
+ &temp_tx_ring[i]);
}
goto err_setup;
}
- temp_ring[i].v_idx = adapter->tx_ring[i].v_idx;
+ temp_tx_ring[i].v_idx = adapter->tx_ring[i].v_idx;
}
- 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;
+ need_update = true;
}
- 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;
+ temp_rx_ring = kcalloc(adapter->num_rx_queues,
+ sizeof(struct ixgbe_ring), GFP_KERNEL);
+ if ((!temp_rx_ring) && (need_update)) {
+ for (i = 0; i < adapter->num_tx_queues; i++)
+ ixgbe_free_tx_resources(adapter, &temp_tx_ring[i]);
+ kfree(temp_tx_ring);
+ err = -ENOMEM;
+ goto err_setup;
}
- if (new_rx_count != adapter->rx_ring->count) {
+ if (new_rx_count != adapter->rx_ring_count) {
+ memcpy(temp_rx_ring, adapter->rx_ring,
+ adapter->num_rx_queues * sizeof(struct ixgbe_ring));
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]);
+ temp_rx_ring[i].count = new_rx_count;
+ err = ixgbe_setup_rx_resources(adapter,
+ &temp_rx_ring[i]);
if (err) {
while (i) {
i--;
ixgbe_free_rx_resources(adapter,
- &temp_ring[i]);
+ &temp_rx_ring[i]);
}
goto err_setup;
}
- temp_ring[i].v_idx = adapter->rx_ring[i].v_idx;
+ temp_rx_ring[i].v_idx = adapter->rx_ring[i].v_idx;
}
+ need_update = true;
+ }
+
+ /* if rings need to be updated, here's the place to do it in one shot */
+ if (need_update) {
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;
+ ixgbe_down(adapter);
+
+ /* tx */
+ if (new_tx_count != adapter->tx_ring_count) {
+ kfree(adapter->tx_ring);
+ adapter->tx_ring = temp_tx_ring;
+ temp_tx_ring = NULL;
+ adapter->tx_ring_count = new_tx_count;
+ }
+
+ /* rx */
+ if (new_rx_count != adapter->rx_ring_count) {
+ kfree(adapter->rx_ring);
+ adapter->rx_ring = temp_rx_ring;
+ temp_rx_ring = NULL;
+ adapter->rx_ring_count = new_rx_count;
+ }
}
/* success! */
err = 0;
-err_setup:
- ixgbe_init_interrupt_scheme(adapter);
if (netif_running(netdev))
- netdev->netdev_ops->ndo_open(netdev);
+ ixgbe_up(adapter);
+err_setup:
clear_bit(__IXGBE_RESETTING, &adapter->state);
return err;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-14 06:04:39 +0100