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path: root/drivers/net/ethernet/intel/e1000e/netdev.c
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Diffstat (limited to 'drivers/net/ethernet/intel/e1000e/netdev.c')
-rw-r--r--drivers/net/ethernet/intel/e1000e/netdev.c37
1 files changed, 13 insertions, 24 deletions
diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c
index 1298b69f990b..dc853b0863af 100644
--- a/drivers/net/ethernet/intel/e1000e/netdev.c
+++ b/drivers/net/ethernet/intel/e1000e/netdev.c
@@ -1914,30 +1914,20 @@ static irqreturn_t e1000_msix_other(int __always_unused irq, void *data)
1914 struct net_device *netdev = data; 1914 struct net_device *netdev = data;
1915 struct e1000_adapter *adapter = netdev_priv(netdev); 1915 struct e1000_adapter *adapter = netdev_priv(netdev);
1916 struct e1000_hw *hw = &adapter->hw; 1916 struct e1000_hw *hw = &adapter->hw;
1917 u32 icr; 1917 u32 icr = er32(ICR);
1918 bool enable = true; 1918
1919 1919 if (icr & adapter->eiac_mask)
1920 icr = er32(ICR); 1920 ew32(ICS, (icr & adapter->eiac_mask));
1921 if (icr & E1000_ICR_RXO) { 1921
1922 ew32(ICR, E1000_ICR_RXO);
1923 enable = false;
1924 /* napi poll will re-enable Other, make sure it runs */
1925 if (napi_schedule_prep(&adapter->napi)) {
1926 adapter->total_rx_bytes = 0;
1927 adapter->total_rx_packets = 0;
1928 __napi_schedule(&adapter->napi);
1929 }
1930 }
1931 if (icr & E1000_ICR_LSC) { 1922 if (icr & E1000_ICR_LSC) {
1932 ew32(ICR, E1000_ICR_LSC);
1933 hw->mac.get_link_status = true; 1923 hw->mac.get_link_status = true;
1934 /* guard against interrupt when we're going down */ 1924 /* guard against interrupt when we're going down */
1935 if (!test_bit(__E1000_DOWN, &adapter->state)) 1925 if (!test_bit(__E1000_DOWN, &adapter->state))
1936 mod_timer(&adapter->watchdog_timer, jiffies + 1); 1926 mod_timer(&adapter->watchdog_timer, jiffies + 1);
1937 } 1927 }
1938 1928
1939 if (enable && !test_bit(__E1000_DOWN, &adapter->state)) 1929 if (!test_bit(__E1000_DOWN, &adapter->state))
1940 ew32(IMS, E1000_IMS_OTHER); 1930 ew32(IMS, E1000_IMS_OTHER | IMS_OTHER_MASK);
1941 1931
1942 return IRQ_HANDLED; 1932 return IRQ_HANDLED;
1943} 1933}
@@ -2040,7 +2030,6 @@ static void e1000_configure_msix(struct e1000_adapter *adapter)
2040 hw->hw_addr + E1000_EITR_82574(vector)); 2030 hw->hw_addr + E1000_EITR_82574(vector));
2041 else 2031 else
2042 writel(1, hw->hw_addr + E1000_EITR_82574(vector)); 2032 writel(1, hw->hw_addr + E1000_EITR_82574(vector));
2043 adapter->eiac_mask |= E1000_IMS_OTHER;
2044 2033
2045 /* Cause Tx interrupts on every write back */ 2034 /* Cause Tx interrupts on every write back */
2046 ivar |= BIT(31); 2035 ivar |= BIT(31);
@@ -2265,7 +2254,8 @@ static void e1000_irq_enable(struct e1000_adapter *adapter)
2265 2254
2266 if (adapter->msix_entries) { 2255 if (adapter->msix_entries) {
2267 ew32(EIAC_82574, adapter->eiac_mask & E1000_EIAC_MASK_82574); 2256 ew32(EIAC_82574, adapter->eiac_mask & E1000_EIAC_MASK_82574);
2268 ew32(IMS, adapter->eiac_mask | E1000_IMS_LSC); 2257 ew32(IMS, adapter->eiac_mask | E1000_IMS_OTHER |
2258 IMS_OTHER_MASK);
2269 } else if (hw->mac.type >= e1000_pch_lpt) { 2259 } else if (hw->mac.type >= e1000_pch_lpt) {
2270 ew32(IMS, IMS_ENABLE_MASK | E1000_IMS_ECCER); 2260 ew32(IMS, IMS_ENABLE_MASK | E1000_IMS_ECCER);
2271 } else { 2261 } else {
@@ -2333,8 +2323,8 @@ static int e1000_alloc_ring_dma(struct e1000_adapter *adapter,
2333{ 2323{
2334 struct pci_dev *pdev = adapter->pdev; 2324 struct pci_dev *pdev = adapter->pdev;
2335 2325
2336 ring->desc = dma_alloc_coherent(&pdev->dev, ring->size, &ring->dma, 2326 ring->desc = dma_zalloc_coherent(&pdev->dev, ring->size, &ring->dma,
2337 GFP_KERNEL); 2327 GFP_KERNEL);
2338 if (!ring->desc) 2328 if (!ring->desc)
2339 return -ENOMEM; 2329 return -ENOMEM;
2340 2330
@@ -2707,8 +2697,7 @@ static int e1000e_poll(struct napi_struct *napi, int weight)
2707 napi_complete_done(napi, work_done); 2697 napi_complete_done(napi, work_done);
2708 if (!test_bit(__E1000_DOWN, &adapter->state)) { 2698 if (!test_bit(__E1000_DOWN, &adapter->state)) {
2709 if (adapter->msix_entries) 2699 if (adapter->msix_entries)
2710 ew32(IMS, adapter->rx_ring->ims_val | 2700 ew32(IMS, adapter->rx_ring->ims_val);
2711 E1000_IMS_OTHER);
2712 else 2701 else
2713 e1000_irq_enable(adapter); 2702 e1000_irq_enable(adapter);
2714 } 2703 }
@@ -5101,7 +5090,7 @@ static bool e1000e_has_link(struct e1000_adapter *adapter)
5101 case e1000_media_type_copper: 5090 case e1000_media_type_copper:
5102 if (hw->mac.get_link_status) { 5091 if (hw->mac.get_link_status) {
5103 ret_val = hw->mac.ops.check_for_link(hw); 5092 ret_val = hw->mac.ops.check_for_link(hw);
5104 link_active = ret_val > 0; 5093 link_active = !hw->mac.get_link_status;
5105 } else { 5094 } else {
5106 link_active = true; 5095 link_active = true;
5107 } 5096 }