net: Delete NETDEVICES_MULTIQUEUE kconfig option.

Multiple TX queue support is a core networking feature.

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 0 insertions, 40 deletions

diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index b37d618d8e2a..10a1c8c5cda1 100644
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c
@@ -266,28 +266,16 @@ static bool ixgbe_clean_tx_irq(struct ixgbe_adapter *adapter,
                  * sees the new next_to_clean.
                  */
                 smp_mb();
-#ifdef CONFIG_NETDEVICES_MULTIQUEUE
                 if (__netif_subqueue_stopped(netdev, tx_ring->queue_index) &&
                     !test_bit(__IXGBE_DOWN, &adapter->state)) {
                         netif_wake_subqueue(netdev, tx_ring->queue_index);
                         adapter->restart_queue++;
                 }
-#else
-                if (netif_queue_stopped(netdev) &&
-                    !test_bit(__IXGBE_DOWN, &adapter->state)) {
-                        netif_wake_queue(netdev);
-                        adapter->restart_queue++;
-                }
-#endif
         }
 
         if (adapter->detect_tx_hung)
                 if (ixgbe_check_tx_hang(adapter, tx_ring, eop, eop_desc))
-#ifdef CONFIG_NETDEVICES_MULTIQUEUE
                         netif_stop_subqueue(netdev, tx_ring->queue_index);
-#else
-                        netif_stop_queue(netdev);
-#endif
 
         if (total_tx_packets >= tx_ring->work_limit)
                 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS, tx_ring->eims_value);
@@ -2192,11 +2180,7 @@ static void __devinit ixgbe_set_num_queues(struct ixgbe_adapter *adapter)
                 case (IXGBE_FLAG_RSS_ENABLED):
                         rss_m = 0xF;
                         nrq = rss_i;
-#ifdef CONFIG_NETDEVICES_MULTIQUEUE
                         ntq = rss_i;
-#else
-                        ntq = 1;
-#endif
                         break;
                 case 0:
                 default:
@@ -2370,10 +2354,8 @@ try_msi:
         }
 
 out:
-#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 err;
 }
@@ -2910,9 +2892,7 @@ static void ixgbe_watchdog(unsigned long data)
         struct net_device *netdev = adapter->netdev;
         bool link_up;
         u32 link_speed = 0;
-#ifdef CONFIG_NETDEVICES_MULTIQUEUE
         int i;
-#endif
 
         adapter->hw.mac.ops.check_link(&adapter->hw, &(link_speed), &link_up);
 
@@ -2934,10 +2914,8 @@ static void ixgbe_watchdog(unsigned long data)
 
                         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
                 } else {
                         /* Force detection of hung controller */
                         adapter->detect_tx_hung = true;
@@ -3264,11 +3242,7 @@ static int __ixgbe_maybe_stop_tx(struct net_device *netdev,
 {
         struct ixgbe_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();
          * but since that doesn't exist yet, just open code it. */
@@ -3280,11 +3254,7 @@ static int __ixgbe_maybe_stop_tx(struct net_device *netdev,
                 return -EBUSY;
 
         /* A reprieve! - use start_queue because it doesn't call schedule */
-#ifdef CONFIG_NETDEVICES_MULTIQUEUE
         netif_wake_subqueue(netdev, tx_ring->queue_index);
-#else
-        netif_wake_queue(netdev);
-#endif
         ++adapter->restart_queue;
         return 0;
 }
@@ -3312,9 +3282,7 @@ static int ixgbe_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
         unsigned int f;
         unsigned int nr_frags = skb_shinfo(skb)->nr_frags;
         len -= skb->data_len;
-#ifdef CONFIG_NETDEVICES_MULTIQUEUE
         r_idx = (adapter->num_tx_queues - 1) & skb->queue_mapping;
-#endif
         tx_ring = &adapter->tx_ring[r_idx];
 
 
@@ -3502,11 +3470,7 @@ static int __devinit ixgbe_probe(struct pci_dev *pdev,
         pci_set_master(pdev);
         pci_save_state(pdev);
 
-#ifdef CONFIG_NETDEVICES_MULTIQUEUE
         netdev = alloc_etherdev_mq(sizeof(struct ixgbe_adapter), MAX_TX_QUEUES);
-#else
-        netdev = alloc_etherdev(sizeof(struct ixgbe_adapter));
-#endif
         if (!netdev) {
                 err = -ENOMEM;
                 goto err_alloc_etherdev;
@@ -3598,9 +3562,7 @@ static int __devinit ixgbe_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
 
         /* make sure the EEPROM is good */
         if (ixgbe_validate_eeprom_checksum(hw, NULL) < 0) {
@@ -3668,10 +3630,8 @@ static int __devinit ixgbe_probe(struct pci_dev *pdev,
 
         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
 
         ixgbe_napi_add_all(adapter);