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path: root/drivers/net/ethernet/wangxun/txgbe/txgbe_main.c
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Diffstat (limited to 'drivers/net/ethernet/wangxun/txgbe/txgbe_main.c')
-rw-r--r--drivers/net/ethernet/wangxun/txgbe/txgbe_main.c141
1 files changed, 13 insertions, 128 deletions
diff --git a/drivers/net/ethernet/wangxun/txgbe/txgbe_main.c b/drivers/net/ethernet/wangxun/txgbe/txgbe_main.c
index 3b151c410a5c..bd4624d14ca0 100644
--- a/drivers/net/ethernet/wangxun/txgbe/txgbe_main.c
+++ b/drivers/net/ethernet/wangxun/txgbe/txgbe_main.c
@@ -17,6 +17,7 @@
#include "txgbe_type.h"
#include "txgbe_hw.h"
#include "txgbe_phy.h"
+#include "txgbe_irq.h"
#include "txgbe_ethtool.h"
char txgbe_driver_name[] = "txgbe";
@@ -76,137 +77,11 @@ static int txgbe_enumerate_functions(struct wx *wx)
return physfns;
}
-/**
- * txgbe_irq_enable - Enable default interrupt generation settings
- * @wx: pointer to private structure
- * @queues: enable irqs for queues
- **/
-static void txgbe_irq_enable(struct wx *wx, bool queues)
-{
- wr32(wx, WX_PX_MISC_IEN, TXGBE_PX_MISC_IEN_MASK);
-
- /* unmask interrupt */
- wx_intr_enable(wx, TXGBE_INTR_MISC);
- if (queues)
- wx_intr_enable(wx, TXGBE_INTR_QALL(wx));
-}
-
-/**
- * txgbe_intr - msi/legacy mode Interrupt Handler
- * @irq: interrupt number
- * @data: pointer to a network interface device structure
- **/
-static irqreturn_t txgbe_intr(int __always_unused irq, void *data)
-{
- struct wx_q_vector *q_vector;
- struct wx *wx = data;
- struct pci_dev *pdev;
- u32 eicr;
-
- q_vector = wx->q_vector[0];
- pdev = wx->pdev;
-
- eicr = wx_misc_isb(wx, WX_ISB_VEC0);
- if (!eicr) {
- /* shared interrupt alert!
- * the interrupt that we masked before the ICR read.
- */
- if (netif_running(wx->netdev))
- txgbe_irq_enable(wx, true);
- return IRQ_NONE; /* Not our interrupt */
- }
- wx->isb_mem[WX_ISB_VEC0] = 0;
- if (!(pdev->msi_enabled))
- wr32(wx, WX_PX_INTA, 1);
-
- wx->isb_mem[WX_ISB_MISC] = 0;
- /* would disable interrupts here but it is auto disabled */
- napi_schedule_irqoff(&q_vector->napi);
-
- /* re-enable link(maybe) and non-queue interrupts, no flush.
- * txgbe_poll will re-enable the queue interrupts
- */
- if (netif_running(wx->netdev))
- txgbe_irq_enable(wx, false);
-
- return IRQ_HANDLED;
-}
-
-/**
- * txgbe_request_msix_irqs - Initialize MSI-X interrupts
- * @wx: board private structure
- *
- * Allocate MSI-X vectors and request interrupts from the kernel.
- **/
-static int txgbe_request_msix_irqs(struct wx *wx)
-{
- struct net_device *netdev = wx->netdev;
- int vector, err;
-
- for (vector = 0; vector < wx->num_q_vectors; vector++) {
- struct wx_q_vector *q_vector = wx->q_vector[vector];
- struct msix_entry *entry = &wx->msix_q_entries[vector];
-
- if (q_vector->tx.ring && q_vector->rx.ring)
- snprintf(q_vector->name, sizeof(q_vector->name) - 1,
- "%s-TxRx-%d", netdev->name, entry->entry);
- else
- /* skip this unused q_vector */
- continue;
-
- err = request_irq(entry->vector, wx_msix_clean_rings, 0,
- q_vector->name, q_vector);
- if (err) {
- wx_err(wx, "request_irq failed for MSIX interrupt %s Error: %d\n",
- q_vector->name, err);
- goto free_queue_irqs;
- }
- }
-
- return 0;
-
-free_queue_irqs:
- while (vector) {
- vector--;
- free_irq(wx->msix_q_entries[vector].vector,
- wx->q_vector[vector]);
- }
- wx_reset_interrupt_capability(wx);
- return err;
-}
-
-/**
- * txgbe_request_irq - initialize interrupts
- * @wx: board private structure
- *
- * Attempt to configure interrupts using the best available
- * capabilities of the hardware and kernel.
- **/
-static int txgbe_request_irq(struct wx *wx)
-{
- struct net_device *netdev = wx->netdev;
- struct pci_dev *pdev = wx->pdev;
- int err;
-
- if (pdev->msix_enabled)
- err = txgbe_request_msix_irqs(wx);
- else if (pdev->msi_enabled)
- err = request_irq(wx->pdev->irq, &txgbe_intr, 0,
- netdev->name, wx);
- else
- err = request_irq(wx->pdev->irq, &txgbe_intr, IRQF_SHARED,
- netdev->name, wx);
-
- if (err)
- wx_err(wx, "request_irq failed, Error %d\n", err);
-
- return err;
-}
-
static void txgbe_up_complete(struct wx *wx)
{
struct net_device *netdev = wx->netdev;
+ txgbe_reinit_gpio_intr(wx);
wx_control_hw(wx, true);
wx_configure_vectors(wx);
@@ -518,6 +393,7 @@ static void txgbe_shutdown(struct pci_dev *pdev)
int txgbe_setup_tc(struct net_device *dev, u8 tc)
{
struct wx *wx = netdev_priv(dev);
+ struct txgbe *txgbe = wx->priv;
/* Hardware has to reinitialize queues and interrupts to
* match packet buffer alignment. Unfortunately, the
@@ -528,6 +404,7 @@ int txgbe_setup_tc(struct net_device *dev, u8 tc)
else
txgbe_reset(wx);
+ txgbe_free_misc_irq(txgbe);
wx_clear_interrupt_scheme(wx);
if (tc)
@@ -536,6 +413,7 @@ int txgbe_setup_tc(struct net_device *dev, u8 tc)
netdev_reset_tc(dev);
wx_init_interrupt_scheme(wx);
+ txgbe_setup_misc_irq(txgbe);
if (netif_running(dev))
txgbe_open(dev);
@@ -751,10 +629,14 @@ static int txgbe_probe(struct pci_dev *pdev,
txgbe->wx = wx;
wx->priv = txgbe;
- err = txgbe_init_phy(txgbe);
+ err = txgbe_setup_misc_irq(txgbe);
if (err)
goto err_release_hw;
+ err = txgbe_init_phy(txgbe);
+ if (err)
+ goto err_free_misc_irq;
+
err = register_netdev(netdev);
if (err)
goto err_remove_phy;
@@ -781,6 +663,8 @@ static int txgbe_probe(struct pci_dev *pdev,
err_remove_phy:
txgbe_remove_phy(txgbe);
+err_free_misc_irq:
+ txgbe_free_misc_irq(txgbe);
err_release_hw:
wx_clear_interrupt_scheme(wx);
wx_control_hw(wx, false);
@@ -813,6 +697,7 @@ static void txgbe_remove(struct pci_dev *pdev)
unregister_netdev(netdev);
txgbe_remove_phy(txgbe);
+ txgbe_free_misc_irq(txgbe);
pci_release_selected_regions(pdev,
pci_select_bars(pdev, IORESOURCE_MEM));