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path: root/drivers/net/atl1c/atl1c_main.c
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Diffstat (limited to 'drivers/net/atl1c/atl1c_main.c')
-rw-r--r--drivers/net/atl1c/atl1c_main.c94
1 files changed, 49 insertions, 45 deletions
diff --git a/drivers/net/atl1c/atl1c_main.c b/drivers/net/atl1c/atl1c_main.c
index 1e2f57d4c36..666261b5851 100644
--- a/drivers/net/atl1c/atl1c_main.c
+++ b/drivers/net/atl1c/atl1c_main.c
@@ -198,27 +198,12 @@ static void atl1c_phy_config(unsigned long data)
void atl1c_reinit_locked(struct atl1c_adapter *adapter)
{
-
WARN_ON(in_interrupt());
atl1c_down(adapter);
atl1c_up(adapter);
clear_bit(__AT_RESETTING, &adapter->flags);
}
-static void atl1c_reset_task(struct work_struct *work)
-{
- struct atl1c_adapter *adapter;
- struct net_device *netdev;
-
- adapter = container_of(work, struct atl1c_adapter, reset_task);
- netdev = adapter->netdev;
-
- netif_device_detach(netdev);
- atl1c_down(adapter);
- atl1c_up(adapter);
- netif_device_attach(netdev);
-}
-
static void atl1c_check_link_status(struct atl1c_adapter *adapter)
{
struct atl1c_hw *hw = &adapter->hw;
@@ -275,18 +260,6 @@ static void atl1c_check_link_status(struct atl1c_adapter *adapter)
}
}
-/*
- * atl1c_link_chg_task - deal with link change event Out of interrupt context
- * @netdev: network interface device structure
- */
-static void atl1c_link_chg_task(struct work_struct *work)
-{
- struct atl1c_adapter *adapter;
-
- adapter = container_of(work, struct atl1c_adapter, link_chg_task);
- atl1c_check_link_status(adapter);
-}
-
static void atl1c_link_chg_event(struct atl1c_adapter *adapter)
{
struct net_device *netdev = adapter->netdev;
@@ -311,20 +284,40 @@ static void atl1c_link_chg_event(struct atl1c_adapter *adapter)
adapter->link_speed = SPEED_0;
}
}
- schedule_work(&adapter->link_chg_task);
+
+ adapter->work_event |= ATL1C_WORK_EVENT_LINK_CHANGE;
+ schedule_work(&adapter->common_task);
}
-static void atl1c_del_timer(struct atl1c_adapter *adapter)
+static void atl1c_common_task(struct work_struct *work)
{
- del_timer_sync(&adapter->phy_config_timer);
+ struct atl1c_adapter *adapter;
+ struct net_device *netdev;
+
+ adapter = container_of(work, struct atl1c_adapter, common_task);
+ netdev = adapter->netdev;
+
+ if (adapter->work_event & ATL1C_WORK_EVENT_RESET) {
+ netif_device_detach(netdev);
+ atl1c_down(adapter);
+ atl1c_up(adapter);
+ netif_device_attach(netdev);
+ return;
+ }
+
+ if (adapter->work_event & ATL1C_WORK_EVENT_LINK_CHANGE)
+ atl1c_check_link_status(adapter);
+
+ return;
}
-static void atl1c_cancel_work(struct atl1c_adapter *adapter)
+
+static void atl1c_del_timer(struct atl1c_adapter *adapter)
{
- cancel_work_sync(&adapter->reset_task);
- cancel_work_sync(&adapter->link_chg_task);
+ del_timer_sync(&adapter->phy_config_timer);
}
+
/*
* atl1c_tx_timeout - Respond to a Tx Hang
* @netdev: network interface device structure
@@ -334,7 +327,8 @@ static void atl1c_tx_timeout(struct net_device *netdev)
struct atl1c_adapter *adapter = netdev_priv(netdev);
/* Do the reset outside of interrupt context */
- schedule_work(&adapter->reset_task);
+ adapter->work_event |= ATL1C_WORK_EVENT_RESET;
+ schedule_work(&adapter->common_task);
}
/*
@@ -713,15 +707,21 @@ static int __devinit atl1c_sw_init(struct atl1c_adapter *adapter)
static inline void atl1c_clean_buffer(struct pci_dev *pdev,
struct atl1c_buffer *buffer_info, int in_irq)
{
+ u16 pci_driection;
if (buffer_info->flags & ATL1C_BUFFER_FREE)
return;
if (buffer_info->dma) {
+ if (buffer_info->flags & ATL1C_PCIMAP_FROMDEVICE)
+ pci_driection = PCI_DMA_FROMDEVICE;
+ else
+ pci_driection = PCI_DMA_TODEVICE;
+
if (buffer_info->flags & ATL1C_PCIMAP_SINGLE)
pci_unmap_single(pdev, buffer_info->dma,
- buffer_info->length, PCI_DMA_TODEVICE);
+ buffer_info->length, pci_driection);
else if (buffer_info->flags & ATL1C_PCIMAP_PAGE)
pci_unmap_page(pdev, buffer_info->dma,
- buffer_info->length, PCI_DMA_TODEVICE);
+ buffer_info->length, pci_driection);
}
if (buffer_info->skb) {
if (in_irq)
@@ -1533,7 +1533,8 @@ static irqreturn_t atl1c_intr(int irq, void *data)
/* reset MAC */
hw->intr_mask &= ~ISR_ERROR;
AT_WRITE_REG(hw, REG_IMR, hw->intr_mask);
- schedule_work(&adapter->reset_task);
+ adapter->work_event |= ATL1C_WORK_EVENT_RESET;
+ schedule_work(&adapter->common_task);
break;
}
@@ -1606,7 +1607,8 @@ static int atl1c_alloc_rx_buffer(struct atl1c_adapter *adapter, const int ringid
buffer_info->dma = pci_map_single(pdev, vir_addr,
buffer_info->length,
PCI_DMA_FROMDEVICE);
- ATL1C_SET_PCIMAP_TYPE(buffer_info, ATL1C_PCIMAP_SINGLE);
+ ATL1C_SET_PCIMAP_TYPE(buffer_info, ATL1C_PCIMAP_SINGLE,
+ ATL1C_PCIMAP_FROMDEVICE);
rfd_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
rfd_next_to_use = next_next;
if (++next_next == rfd_ring->count)
@@ -1967,7 +1969,8 @@ static void atl1c_tx_map(struct atl1c_adapter *adapter,
buffer_info->dma = pci_map_single(adapter->pdev,
skb->data, hdr_len, PCI_DMA_TODEVICE);
ATL1C_SET_BUFFER_STATE(buffer_info, ATL1C_BUFFER_BUSY);
- ATL1C_SET_PCIMAP_TYPE(buffer_info, ATL1C_PCIMAP_SINGLE);
+ ATL1C_SET_PCIMAP_TYPE(buffer_info, ATL1C_PCIMAP_SINGLE,
+ ATL1C_PCIMAP_TODEVICE);
mapped_len += map_len;
use_tpd->buffer_addr = cpu_to_le64(buffer_info->dma);
use_tpd->buffer_len = cpu_to_le16(buffer_info->length);
@@ -1988,7 +1991,8 @@ static void atl1c_tx_map(struct atl1c_adapter *adapter,
pci_map_single(adapter->pdev, skb->data + mapped_len,
buffer_info->length, PCI_DMA_TODEVICE);
ATL1C_SET_BUFFER_STATE(buffer_info, ATL1C_BUFFER_BUSY);
- ATL1C_SET_PCIMAP_TYPE(buffer_info, ATL1C_PCIMAP_SINGLE);
+ ATL1C_SET_PCIMAP_TYPE(buffer_info, ATL1C_PCIMAP_SINGLE,
+ ATL1C_PCIMAP_TODEVICE);
use_tpd->buffer_addr = cpu_to_le64(buffer_info->dma);
use_tpd->buffer_len = cpu_to_le16(buffer_info->length);
}
@@ -2009,7 +2013,8 @@ static void atl1c_tx_map(struct atl1c_adapter *adapter,
buffer_info->length,
PCI_DMA_TODEVICE);
ATL1C_SET_BUFFER_STATE(buffer_info, ATL1C_BUFFER_BUSY);
- ATL1C_SET_PCIMAP_TYPE(buffer_info, ATL1C_PCIMAP_PAGE);
+ ATL1C_SET_PCIMAP_TYPE(buffer_info, ATL1C_PCIMAP_PAGE,
+ ATL1C_PCIMAP_TODEVICE);
use_tpd->buffer_addr = cpu_to_le64(buffer_info->dma);
use_tpd->buffer_len = cpu_to_le16(buffer_info->length);
}
@@ -2198,8 +2203,7 @@ void atl1c_down(struct atl1c_adapter *adapter)
struct net_device *netdev = adapter->netdev;
atl1c_del_timer(adapter);
- atl1c_cancel_work(adapter);
-
+ adapter->work_event = 0; /* clear all event */
/* signal that we're down so the interrupt handler does not
* reschedule our watchdog timer */
set_bit(__AT_DOWN, &adapter->flags);
@@ -2599,8 +2603,8 @@ static int __devinit atl1c_probe(struct pci_dev *pdev,
adapter->hw.mac_addr[4], adapter->hw.mac_addr[5]);
atl1c_hw_set_mac_addr(&adapter->hw);
- INIT_WORK(&adapter->reset_task, atl1c_reset_task);
- INIT_WORK(&adapter->link_chg_task, atl1c_link_chg_task);
+ INIT_WORK(&adapter->common_task, atl1c_common_task);
+ adapter->work_event = 0;
err = register_netdev(netdev);
if (err) {
dev_err(&pdev->dev, "register netdevice failed\n");
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-27 23:39:56 +0000