Merge current mainline tree into linux-omap tree

[linux-2.6-omap-h63xx.git] / drivers / net / ixgb / ixgb_main.c

diff --git a/drivers/net/ixgb/ixgb_main.c b/drivers/net/ixgb/ixgb_main.c
index bf9085fe035aa6d4c6476c7fdf4540704494f9e0..6738b4d097fe6fc4e50058c8a42811e6b7f4a2d4 100644 (file)
--- a/drivers/net/ixgb/ixgb_main.c
+++ b/drivers/net/ixgb/ixgb_main.c
@@ -36,7 +36,7 @@ static char ixgb_driver_string[] = "Intel(R) PRO/10GbE Network Driver";
 #else
 #define DRIVERNAPI "-NAPI"
 #endif
-#define DRV_VERSION            "1.0.126-k2"DRIVERNAPI
+#define DRV_VERSION            "1.0.126-k4"DRIVERNAPI
 const char ixgb_driver_version[] = DRV_VERSION;
 static const char ixgb_copyright[] = "Copyright (c) 1999-2006 Intel Corporation.";
 
@@ -212,9 +212,11 @@ static void
 ixgb_irq_enable(struct ixgb_adapter *adapter)
 {
        if(atomic_dec_and_test(&adapter->irq_sem)) {
-               IXGB_WRITE_REG(&adapter->hw, IMS,
-                              IXGB_INT_RXT0 | IXGB_INT_RXDMT0 | IXGB_INT_TXDW |
-                              IXGB_INT_LSC);
+               u32 val = IXGB_INT_RXT0 | IXGB_INT_RXDMT0 |
+                         IXGB_INT_TXDW | IXGB_INT_LSC;
+               if (adapter->hw.subsystem_vendor_id == SUN_SUBVENDOR_ID)
+                       val |= IXGB_INT_GPI0;
+               IXGB_WRITE_REG(&adapter->hw, IMS, val);
                IXGB_WRITE_FLUSH(&adapter->hw);
        }
 }
@@ -296,6 +298,11 @@ ixgb_down(struct ixgb_adapter *adapter, boolean_t kill_watchdog)
 {
        struct net_device *netdev = adapter->netdev;
 
+#ifdef CONFIG_IXGB_NAPI
+       napi_disable(&adapter->napi);
+       atomic_set(&adapter->irq_sem, 0);
+#endif
+
        ixgb_irq_disable(adapter);
        free_irq(adapter->pdev->irq, netdev);
 
@@ -304,9 +311,7 @@ ixgb_down(struct ixgb_adapter *adapter, boolean_t kill_watchdog)
 
        if(kill_watchdog)
                del_timer_sync(&adapter->watchdog_timer);
-#ifdef CONFIG_IXGB_NAPI
-       napi_disable(&adapter->napi);
-#endif
+
        adapter->link_speed = 0;
        adapter->link_duplex = 0;
        netif_carrier_off(netdev);
@@ -1787,14 +1792,13 @@ ixgb_clean(struct napi_struct *napi, int budget)
 {
        struct ixgb_adapter *adapter = container_of(napi, struct ixgb_adapter, napi);
        struct net_device *netdev = adapter->netdev;
-       int tx_cleaned;
        int work_done = 0;
 
-       tx_cleaned = ixgb_clean_tx_irq(adapter);
+       ixgb_clean_tx_irq(adapter);
        ixgb_clean_rx_irq(adapter, &work_done, budget);
 
-       /* if no Tx and not enough Rx work done, exit the polling mode */
-       if((!tx_cleaned && (work_done == 0)) || !netif_running(netdev)) {
+       /* If budget not fully consumed, exit the polling mode */
+       if (work_done < budget) {
                netif_rx_complete(netdev, napi);
                ixgb_irq_enable(adapter);
        }
@@ -2084,14 +2088,12 @@ ixgb_alloc_rx_buffers(struct ixgb_adapter *adapter)
        struct ixgb_buffer *buffer_info;
        struct sk_buff *skb;
        unsigned int i;
-       int num_group_tail_writes;
        long cleancount;
 
        i = rx_ring->next_to_use;
        buffer_info = &rx_ring->buffer_info[i];
        cleancount = IXGB_DESC_UNUSED(rx_ring);
 
-       num_group_tail_writes = IXGB_RX_BUFFER_WRITE;
 
        /* leave three descriptors unused */
        while(--cleancount > 2) {