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path: root/drivers/net/igb/igb_main.c
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Diffstat (limited to 'drivers/net/igb/igb_main.c')
-rw-r--r--drivers/net/igb/igb_main.c51
1 files changed, 0 insertions, 51 deletions
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index 74dc43e29261..64a150a16f39 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -532,10 +532,8 @@ msi_only:
if (!pci_enable_msi(adapter->pdev))
adapter->flags |= IGB_FLAG_HAS_MSI;
-#ifdef CONFIG_NETDEVICES_MULTIQUEUE
/* Notify the stack of the (possibly) reduced Tx Queue count. */
adapter->netdev->egress_subqueue_count = adapter->num_tx_queues;
-#endif
return;
}
@@ -824,10 +822,8 @@ void igb_down(struct igb_adapter *adapter)
/* flush and sleep below */
netif_stop_queue(netdev);
-#ifdef CONFIG_NETDEVICES_MULTIQUEUE
for (i = 0; i < adapter->num_tx_queues; i++)
netif_stop_subqueue(netdev, i);
-#endif
/* disable transmits in the hardware */
tctl = rd32(E1000_TCTL);
@@ -1042,11 +1038,7 @@ static int __devinit igb_probe(struct pci_dev *pdev,
pci_save_state(pdev);
err = -ENOMEM;
-#ifdef CONFIG_NETDEVICES_MULTIQUEUE
netdev = alloc_etherdev_mq(sizeof(struct igb_adapter), IGB_MAX_TX_QUEUES);
-#else
- netdev = alloc_etherdev(sizeof(struct igb_adapter));
-#endif /* CONFIG_NETDEVICES_MULTIQUEUE */
if (!netdev)
goto err_alloc_etherdev;
@@ -1163,9 +1155,7 @@ static int __devinit igb_probe(struct pci_dev *pdev,
if (pci_using_dac)
netdev->features |= NETIF_F_HIGHDMA;
-#ifdef CONFIG_NETDEVICES_MULTIQUEUE
netdev->features |= NETIF_F_MULTI_QUEUE;
-#endif
netdev->features |= NETIF_F_LLTX;
adapter->en_mng_pt = igb_enable_mng_pass_thru(&adapter->hw);
@@ -1279,10 +1269,8 @@ static int __devinit igb_probe(struct pci_dev *pdev,
/* tell the stack to leave us alone until igb_open() is called */
netif_carrier_off(netdev);
netif_stop_queue(netdev);
-#ifdef CONFIG_NETDEVICES_MULTIQUEUE
for (i = 0; i < adapter->num_tx_queues; i++)
netif_stop_subqueue(netdev, i);
-#endif
strcpy(netdev->name, "eth%d");
err = register_netdev(netdev);
@@ -1432,11 +1420,7 @@ static int __devinit igb_sw_init(struct igb_adapter *adapter)
/* Number of supported queues. */
/* Having more queues than CPUs doesn't make sense. */
adapter->num_rx_queues = min((u32)IGB_MAX_RX_QUEUES, (u32)num_online_cpus());
-#ifdef CONFIG_NETDEVICES_MULTIQUEUE
adapter->num_tx_queues = min(IGB_MAX_TX_QUEUES, num_online_cpus());
-#else
- adapter->num_tx_queues = 1;
-#endif /* CONFIG_NET_MULTI_QUEUE_DEVICE */
/* This call may decrease the number of queues depending on
* interrupt mode. */
@@ -1619,9 +1603,7 @@ err:
static int igb_setup_all_tx_resources(struct igb_adapter *adapter)
{
int i, err = 0;
-#ifdef CONFIG_NETDEVICES_MULTIQUEUE
int r_idx;
-#endif
for (i = 0; i < adapter->num_tx_queues; i++) {
err = igb_setup_tx_resources(adapter, &adapter->tx_ring[i]);
@@ -1634,12 +1616,10 @@ static int igb_setup_all_tx_resources(struct igb_adapter *adapter)
}
}
-#ifdef CONFIG_NETDEVICES_MULTIQUEUE
for (i = 0; i < IGB_MAX_TX_QUEUES; i++) {
r_idx = i % adapter->num_tx_queues;
adapter->multi_tx_table[i] = &adapter->tx_ring[r_idx];
}
-#endif
return err;
}
@@ -2337,9 +2317,7 @@ static void igb_watchdog_task(struct work_struct *work)
struct e1000_mac_info *mac = &adapter->hw.mac;
u32 link;
s32 ret_val;
-#ifdef CONFIG_NETDEVICES_MULTIQUEUE
int i;
-#endif
if ((netif_carrier_ok(netdev)) &&
(rd32(E1000_STATUS) & E1000_STATUS_LU))
@@ -2396,10 +2374,8 @@ static void igb_watchdog_task(struct work_struct *work)
netif_carrier_on(netdev);
netif_wake_queue(netdev);
-#ifdef CONFIG_NETDEVICES_MULTIQUEUE
for (i = 0; i < adapter->num_tx_queues; i++)
netif_wake_subqueue(netdev, i);
-#endif
if (!test_bit(__IGB_DOWN, &adapter->state))
mod_timer(&adapter->phy_info_timer,
@@ -2412,10 +2388,8 @@ static void igb_watchdog_task(struct work_struct *work)
dev_info(&adapter->pdev->dev, "NIC Link is Down\n");
netif_carrier_off(netdev);
netif_stop_queue(netdev);
-#ifdef CONFIG_NETDEVICES_MULTIQUEUE
for (i = 0; i < adapter->num_tx_queues; i++)
netif_stop_subqueue(netdev, i);
-#endif
if (!test_bit(__IGB_DOWN, &adapter->state))
mod_timer(&adapter->phy_info_timer,
round_jiffies(jiffies + 2 * HZ));
@@ -2943,11 +2917,7 @@ static int __igb_maybe_stop_tx(struct net_device *netdev,
{
struct igb_adapter *adapter = netdev_priv(netdev);
-#ifdef CONFIG_NETDEVICES_MULTIQUEUE
netif_stop_subqueue(netdev, tx_ring->queue_index);
-#else
- netif_stop_queue(netdev);
-#endif
/* Herbert's original patch had:
* smp_mb__after_netif_stop_queue();
@@ -2960,11 +2930,7 @@ static int __igb_maybe_stop_tx(struct net_device *netdev,
return -EBUSY;
/* A reprieve! */
-#ifdef CONFIG_NETDEVICES_MULTIQUEUE
netif_wake_subqueue(netdev, tx_ring->queue_index);
-#else
- netif_wake_queue(netdev);
-#endif
++adapter->restart_queue;
return 0;
}
@@ -3051,14 +3017,9 @@ static int igb_xmit_frame_adv(struct sk_buff *skb, struct net_device *netdev)
struct igb_adapter *adapter = netdev_priv(netdev);
struct igb_ring *tx_ring;
-#ifdef CONFIG_NETDEVICES_MULTIQUEUE
int r_idx = 0;
r_idx = skb->queue_mapping & (IGB_MAX_TX_QUEUES - 1);
tx_ring = adapter->multi_tx_table[r_idx];
-#else
- tx_ring = &adapter->tx_ring[0];
-#endif
-
/* This goes back to the question of how to logically map a tx queue
* to a flow. Right now, performance is impacted slightly negatively
@@ -3745,19 +3706,11 @@ done_cleaning:
* sees the new next_to_clean.
*/
smp_mb();
-#ifdef CONFIG_NETDEVICES_MULTIQUEUE
if (__netif_subqueue_stopped(netdev, tx_ring->queue_index) &&
!(test_bit(__IGB_DOWN, &adapter->state))) {
netif_wake_subqueue(netdev, tx_ring->queue_index);
++adapter->restart_queue;
}
-#else
- if (netif_queue_stopped(netdev) &&
- !(test_bit(__IGB_DOWN, &adapter->state))) {
- netif_wake_queue(netdev);
- ++adapter->restart_queue;
- }
-#endif
}
if (tx_ring->detect_tx_hung) {
@@ -3793,11 +3746,7 @@ done_cleaning:
tx_ring->buffer_info[i].time_stamp,
jiffies,
tx_desc->upper.fields.status);
-#ifdef CONFIG_NETDEVICES_MULTIQUEUE
netif_stop_subqueue(netdev, tx_ring->queue_index);
-#else
- netif_stop_queue(netdev);
-#endif
}
}
tx_ring->total_bytes += total_bytes;
generated by cgit v1.2.3 (git 2.0.4) at 2024-11-10 00:51:13 +0000