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e1000: use work queues

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E1000 is using several timers that in a follow on patch
will need to acquire the rtnl_lock in order to be safe.

This patch moves the timer bodies into work queues which
will allow the next patch to add rtnl_lock.

Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Jeff Pieper <jeffrey.e.pieper@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jesse Brandeburg 2010-09-22 18:22:17 +00:00 • committed by David S. Miller
parent 7b872a55c4
commit 5cf42fcda0
2 changed files with 27 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

3
drivers/net/e1000/e1000.h
View file

@ -310,6 +310,9 @@ struct e1000_adapter {
int need_ioport;
bool discarding;
struct work_struct fifo_stall_task;
struct work_struct phy_info_task;
};
enum e1000_state_t {

25
drivers/net/e1000/e1000_main.c
View file

@ -123,8 +123,10 @@ static void e1000_clean_rx_ring(struct e1000_adapter *adapter,
struct e1000_rx_ring *rx_ring);
static void e1000_set_rx_mode(struct net_device *netdev);
static void e1000_update_phy_info(unsigned long data);
static void e1000_update_phy_info_task(struct work_struct *work);
static void e1000_watchdog(unsigned long data);
static void e1000_82547_tx_fifo_stall(unsigned long data);
static void e1000_82547_tx_fifo_stall_task(struct work_struct *work);
static netdev_tx_t e1000_xmit_frame(struct sk_buff *skb,
struct net_device *netdev);
static struct net_device_stats * e1000_get_stats(struct net_device *netdev);
@ -1047,7 +1049,9 @@ static int __devinit e1000_probe(struct pci_dev *pdev,
adapter->phy_info_timer.function = e1000_update_phy_info;
adapter->phy_info_timer.data = (unsigned long)adapter;
INIT_WORK(&adapter->fifo_stall_task, e1000_82547_tx_fifo_stall_task);
INIT_WORK(&adapter->reset_task, e1000_reset_task);
INIT_WORK(&adapter->phy_info_task, e1000_update_phy_info_task);
e1000_check_options(adapter);
@ -2234,6 +2238,14 @@ static void e1000_set_rx_mode(struct net_device *netdev)
static void e1000_update_phy_info(unsigned long data)
{
struct e1000_adapter *adapter = (struct e1000_adapter *)data;
schedule_work(&adapter->phy_info_task);
}
static void e1000_update_phy_info_task(struct work_struct *work)
{
struct e1000_adapter *adapter = container_of(work,
struct e1000_adapter,
phy_info_task);
struct e1000_hw *hw = &adapter->hw;
e1000_phy_get_info(hw, &adapter->phy_info);
}
@ -2242,10 +2254,21 @@ static void e1000_update_phy_info(unsigned long data)
* e1000_82547_tx_fifo_stall - Timer Call-back
* @data: pointer to adapter cast into an unsigned long
**/
static void e1000_82547_tx_fifo_stall(unsigned long data)
{
struct e1000_adapter *adapter = (struct e1000_adapter *)data;
schedule_work(&adapter->fifo_stall_task);
}
/**
* e1000_82547_tx_fifo_stall_task - task to complete work
* @work: work struct contained inside adapter struct
**/
static void e1000_82547_tx_fifo_stall_task(struct work_struct *work)
{
struct e1000_adapter *adapter = container_of(work,
struct e1000_adapter,
fifo_stall_task);
struct e1000_hw *hw = &adapter->hw;
struct net_device *netdev = adapter->netdev;
u32 tctl;