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Message-Id: <1305422627-9583-7-git-send-email-jeffrey.t.kirsher@intel.com>
Date: Sat, 14 May 2011 18:23:40 -0700
From: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
To: davem@...emloft.net
Cc: Alexander Duyck <alexander.h.duyck@...el.com>,
netdev@...r.kernel.org, gospo@...hat.com, bphilips@...ell.com,
Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Subject: [net-next-2.6 06/13] ixgbe: Combine SFP and multi-speed fiber task into single service task
From: Alexander Duyck <alexander.h.duyck@...el.com>
This change is meant to address several race conditions with multi-speed
fiber SFP+ modules in 82599 adapters. Specifically issues have been seen
in which both the SFP configuration and the multi-speed fiber configuration
are running simultaneously which will result in the device getting into an
erroneous link down state.
Signed-off-by: Alexander Duyck <alexander.h.duyck@...el.com>
Tested-by: Evan Swanson <evan.swanson@...el.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
---
drivers/net/ixgbe/ixgbe.h | 26 ++--
drivers/net/ixgbe/ixgbe_main.c | 388 +++++++++++++++++++++-------------------
2 files changed, 213 insertions(+), 201 deletions(-)
diff --git a/drivers/net/ixgbe/ixgbe.h b/drivers/net/ixgbe/ixgbe.h
index ec948ff..cbb04ba 100644
--- a/drivers/net/ixgbe/ixgbe.h
+++ b/drivers/net/ixgbe/ixgbe.h
@@ -367,19 +367,20 @@ struct ixgbe_adapter {
#define IXGBE_FLAG_VMDQ_ENABLED (u32)(1 << 19)
#define IXGBE_FLAG_FAN_FAIL_CAPABLE (u32)(1 << 20)
#define IXGBE_FLAG_NEED_LINK_UPDATE (u32)(1 << 22)
-#define IXGBE_FLAG_IN_SFP_LINK_TASK (u32)(1 << 23)
-#define IXGBE_FLAG_IN_SFP_MOD_TASK (u32)(1 << 24)
-#define IXGBE_FLAG_FDIR_HASH_CAPABLE (u32)(1 << 25)
-#define IXGBE_FLAG_FDIR_PERFECT_CAPABLE (u32)(1 << 26)
-#define IXGBE_FLAG_FCOE_CAPABLE (u32)(1 << 27)
-#define IXGBE_FLAG_FCOE_ENABLED (u32)(1 << 28)
-#define IXGBE_FLAG_SRIOV_CAPABLE (u32)(1 << 29)
-#define IXGBE_FLAG_SRIOV_ENABLED (u32)(1 << 30)
+#define IXGBE_FLAG_NEED_LINK_CONFIG (u32)(1 << 23)
+#define IXGBE_FLAG_FDIR_HASH_CAPABLE (u32)(1 << 24)
+#define IXGBE_FLAG_FDIR_PERFECT_CAPABLE (u32)(1 << 25)
+#define IXGBE_FLAG_FCOE_CAPABLE (u32)(1 << 26)
+#define IXGBE_FLAG_FCOE_ENABLED (u32)(1 << 27)
+#define IXGBE_FLAG_SRIOV_CAPABLE (u32)(1 << 28)
+#define IXGBE_FLAG_SRIOV_ENABLED (u32)(1 << 29)
u32 flags2;
#define IXGBE_FLAG2_RSC_CAPABLE (u32)(1)
#define IXGBE_FLAG2_RSC_ENABLED (u32)(1 << 1)
#define IXGBE_FLAG2_TEMP_SENSOR_CAPABLE (u32)(1 << 2)
+#define IXGBE_FLAG2_SEARCH_FOR_SFP (u32)(1 << 4)
+#define IXGBE_FLAG2_SFP_NEEDS_RESET (u32)(1 << 5)
unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
u16 bd_number;
@@ -455,13 +456,11 @@ struct ixgbe_adapter {
struct work_struct reset_task;
struct work_struct watchdog_task;
- struct work_struct sfp_task;
- struct work_struct multispeed_fiber_task;
- struct work_struct sfp_config_module_task;
struct work_struct fdir_reinit_task;
struct work_struct check_overtemp_task;
+ struct work_struct service_task;
struct timer_list watchdog_timer;
- struct timer_list sfp_timer;
+ struct timer_list service_timer;
u32 fdir_pballoc;
u32 atr_sample_rate;
spinlock_t fdir_perfect_lock;
@@ -492,7 +491,8 @@ enum ixbge_state_t {
__IXGBE_TESTING,
__IXGBE_RESETTING,
__IXGBE_DOWN,
- __IXGBE_SFP_MODULE_NOT_FOUND
+ __IXGBE_SERVICE_SCHED,
+ __IXGBE_IN_SFP_INIT,
};
struct ixgbe_rsc_cb {
diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index f8196e0..a5d4226 100644
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c
@@ -191,6 +191,22 @@ static inline void ixgbe_disable_sriov(struct ixgbe_adapter *adapter)
adapter->flags &= ~IXGBE_FLAG_SRIOV_ENABLED;
}
+static void ixgbe_service_event_schedule(struct ixgbe_adapter *adapter)
+{
+ if (!test_bit(__IXGBE_DOWN, &adapter->state) &&
+ !test_and_set_bit(__IXGBE_SERVICE_SCHED, &adapter->state))
+ schedule_work(&adapter->service_task);
+}
+
+static void ixgbe_service_event_complete(struct ixgbe_adapter *adapter)
+{
+ BUG_ON(!test_bit(__IXGBE_SERVICE_SCHED, &adapter->state));
+
+ /* flush memory to make sure state is correct before next watchog */
+ smp_mb__before_clear_bit();
+ clear_bit(__IXGBE_SERVICE_SCHED, &adapter->state);
+}
+
struct ixgbe_reg_info {
u32 ofs;
char *name;
@@ -1858,15 +1874,19 @@ static void ixgbe_check_sfp_event(struct ixgbe_adapter *adapter, u32 eicr)
if (eicr & IXGBE_EICR_GPI_SDP2) {
/* Clear the interrupt */
IXGBE_WRITE_REG(hw, IXGBE_EICR, IXGBE_EICR_GPI_SDP2);
- if (!test_bit(__IXGBE_DOWN, &adapter->state))
- schedule_work(&adapter->sfp_config_module_task);
+ if (!test_bit(__IXGBE_DOWN, &adapter->state)) {
+ adapter->flags2 |= IXGBE_FLAG2_SFP_NEEDS_RESET;
+ ixgbe_service_event_schedule(adapter);
+ }
}
if (eicr & IXGBE_EICR_GPI_SDP1) {
/* Clear the interrupt */
IXGBE_WRITE_REG(hw, IXGBE_EICR, IXGBE_EICR_GPI_SDP1);
- if (!test_bit(__IXGBE_DOWN, &adapter->state))
- schedule_work(&adapter->multispeed_fiber_task);
+ if (!test_bit(__IXGBE_DOWN, &adapter->state)) {
+ adapter->flags |= IXGBE_FLAG_NEED_LINK_CONFIG;
+ ixgbe_service_event_schedule(adapter);
+ }
}
}
@@ -1937,8 +1957,10 @@ static irqreturn_t ixgbe_msix_lsc(int irq, void *data)
ixgbe_check_fan_failure(adapter, eicr);
+ /* re-enable the original interrupt state, no lsc, no queues */
if (!test_bit(__IXGBE_DOWN, &adapter->state))
- IXGBE_WRITE_REG(hw, IXGBE_EIMS, IXGBE_EIMS_OTHER);
+ IXGBE_WRITE_REG(hw, IXGBE_EIMS, eicr &
+ ~(IXGBE_EIMS_LSC | IXGBE_EIMS_RTX_QUEUE));
return IRQ_HANDLED;
}
@@ -3772,31 +3794,16 @@ static inline bool ixgbe_is_sfp(struct ixgbe_hw *hw)
**/
static void ixgbe_sfp_link_config(struct ixgbe_adapter *adapter)
{
- struct ixgbe_hw *hw = &adapter->hw;
+ /*
+ * We are assuming the worst case scenerio here, and that
+ * is that an SFP was inserted/removed after the reset
+ * but before SFP detection was enabled. As such the best
+ * solution is to just start searching as soon as we start
+ */
+ if (adapter->hw.mac.type == ixgbe_mac_82598EB)
+ adapter->flags2 |= IXGBE_FLAG2_SEARCH_FOR_SFP;
- if (hw->phy.multispeed_fiber) {
- /*
- * In multispeed fiber setups, the device may not have
- * had a physical connection when the driver loaded.
- * If that's the case, the initial link configuration
- * couldn't get the MAC into 10G or 1G mode, so we'll
- * never have a link status change interrupt fire.
- * We need to try and force an autonegotiation
- * session, then bring up link.
- */
- if (hw->mac.ops.setup_sfp)
- hw->mac.ops.setup_sfp(hw);
- if (!(adapter->flags & IXGBE_FLAG_IN_SFP_LINK_TASK))
- schedule_work(&adapter->multispeed_fiber_task);
- } else {
- /*
- * Direct Attach Cu and non-multispeed fiber modules
- * still need to be configured properly prior to
- * attempting link.
- */
- if (!(adapter->flags & IXGBE_FLAG_IN_SFP_MOD_TASK))
- schedule_work(&adapter->sfp_config_module_task);
- }
+ adapter->flags2 |= IXGBE_FLAG2_SFP_NEEDS_RESET;
}
/**
@@ -3926,17 +3933,6 @@ static int ixgbe_up_complete(struct ixgbe_adapter *adapter)
e_crit(drv, "Fan has stopped, replace the adapter\n");
}
- /*
- * For hot-pluggable SFP+ devices, a new SFP+ module may have
- * arrived before interrupts were enabled but after probe. Such
- * devices wouldn't have their type identified yet. We need to
- * kick off the SFP+ module setup first, then try to bring up link.
- * If we're not hot-pluggable SFP+, we just need to configure link
- * and bring it up.
- */
- if (hw->phy.type == ixgbe_phy_none)
- schedule_work(&adapter->sfp_config_module_task);
-
/* enable transmits */
netif_tx_start_all_queues(adapter->netdev);
@@ -3945,6 +3941,7 @@ static int ixgbe_up_complete(struct ixgbe_adapter *adapter)
adapter->flags |= IXGBE_FLAG_NEED_LINK_UPDATE;
adapter->link_check_timeout = jiffies;
mod_timer(&adapter->watchdog_timer, jiffies);
+ mod_timer(&adapter->service_timer, jiffies);
/* Set PF Reset Done bit so PF/VF Mail Ops can work */
ctrl_ext = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT);
@@ -3957,6 +3954,9 @@ static int ixgbe_up_complete(struct ixgbe_adapter *adapter)
void ixgbe_reinit_locked(struct ixgbe_adapter *adapter)
{
WARN_ON(in_interrupt());
+ /* put off any impending NetWatchDogTimeout */
+ adapter->netdev->trans_start = jiffies;
+
while (test_and_set_bit(__IXGBE_RESETTING, &adapter->state))
usleep_range(1000, 2000);
ixgbe_down(adapter);
@@ -3985,10 +3985,20 @@ void ixgbe_reset(struct ixgbe_adapter *adapter)
struct ixgbe_hw *hw = &adapter->hw;
int err;
+ /* lock SFP init bit to prevent race conditions with the watchdog */
+ while (test_and_set_bit(__IXGBE_IN_SFP_INIT, &adapter->state))
+ usleep_range(1000, 2000);
+
+ /* clear all SFP and link config related flags while holding SFP_INIT */
+ adapter->flags2 &= ~(IXGBE_FLAG2_SEARCH_FOR_SFP |
+ IXGBE_FLAG2_SFP_NEEDS_RESET);
+ adapter->flags &= ~IXGBE_FLAG_NEED_LINK_CONFIG;
+
err = hw->mac.ops.init_hw(hw);
switch (err) {
case 0:
case IXGBE_ERR_SFP_NOT_PRESENT:
+ case IXGBE_ERR_SFP_NOT_SUPPORTED:
break;
case IXGBE_ERR_MASTER_REQUESTS_PENDING:
e_dev_err("master disable timed out\n");
@@ -4006,6 +4016,8 @@ void ixgbe_reset(struct ixgbe_adapter *adapter)
e_dev_err("Hardware Error: %d\n", err);
}
+ clear_bit(__IXGBE_IN_SFP_INIT, &adapter->state);
+
/* reprogram the RAR[0] in case user changed it. */
hw->mac.ops.set_rar(hw, 0, hw->mac.addr, adapter->num_vfs,
IXGBE_RAH_AV);
@@ -4167,11 +4179,9 @@ void ixgbe_down(struct ixgbe_adapter *adapter)
netif_tx_stop_all_queues(netdev);
- clear_bit(__IXGBE_SFP_MODULE_NOT_FOUND, &adapter->state);
- del_timer_sync(&adapter->sfp_timer);
del_timer_sync(&adapter->watchdog_timer);
cancel_work_sync(&adapter->watchdog_task);
-
+ /* call carrier off first to avoid false dev_watchdog timeouts */
netif_carrier_off(netdev);
netif_tx_disable(netdev);
@@ -4179,6 +4189,10 @@ void ixgbe_down(struct ixgbe_adapter *adapter)
ixgbe_napi_disable_all(adapter);
+ adapter->flags &= ~IXGBE_FLAG_NEED_LINK_UPDATE;
+
+ del_timer_sync(&adapter->service_timer);
+
/* Cleanup the affinity_hint CPU mask memory and callback */
for (i = 0; i < num_q_vectors; i++) {
struct ixgbe_q_vector *q_vector = adapter->q_vector[i];
@@ -5148,57 +5162,6 @@ void ixgbe_clear_interrupt_scheme(struct ixgbe_adapter *adapter)
}
/**
- * ixgbe_sfp_timer - worker thread to find a missing module
- * @data: pointer to our adapter struct
- **/
-static void ixgbe_sfp_timer(unsigned long data)
-{
- struct ixgbe_adapter *adapter = (struct ixgbe_adapter *)data;
-
- /*
- * Do the sfp_timer outside of interrupt context due to the
- * delays that sfp+ detection requires
- */
- schedule_work(&adapter->sfp_task);
-}
-
-/**
- * ixgbe_sfp_task - worker thread to find a missing module
- * @work: pointer to work_struct containing our data
- **/
-static void ixgbe_sfp_task(struct work_struct *work)
-{
- struct ixgbe_adapter *adapter = container_of(work,
- struct ixgbe_adapter,
- sfp_task);
- struct ixgbe_hw *hw = &adapter->hw;
-
- if ((hw->phy.type == ixgbe_phy_nl) &&
- (hw->phy.sfp_type == ixgbe_sfp_type_not_present)) {
- s32 ret = hw->phy.ops.identify_sfp(hw);
- if (ret == IXGBE_ERR_SFP_NOT_PRESENT)
- goto reschedule;
- ret = hw->phy.ops.reset(hw);
- if (ret == IXGBE_ERR_SFP_NOT_SUPPORTED) {
- e_dev_err("failed to initialize because an unsupported "
- "SFP+ module type was detected.\n");
- e_dev_err("Reload the driver after installing a "
- "supported module.\n");
- unregister_netdev(adapter->netdev);
- } else {
- e_info(probe, "detected SFP+: %d\n", hw->phy.sfp_type);
- }
- /* don't need this routine any more */
- clear_bit(__IXGBE_SFP_MODULE_NOT_FOUND, &adapter->state);
- }
- return;
-reschedule:
- if (test_bit(__IXGBE_SFP_MODULE_NOT_FOUND, &adapter->state))
- mod_timer(&adapter->sfp_timer,
- round_jiffies(jiffies + (2 * HZ)));
-}
-
-/**
* ixgbe_sw_init - Initialize general software structures (struct ixgbe_adapter)
* @adapter: board private structure to initialize
*
@@ -6042,65 +6005,6 @@ watchdog_short_circuit:
}
/**
- * ixgbe_multispeed_fiber_task - worker thread to configure multispeed fiber
- * @work: pointer to work_struct containing our data
- **/
-static void ixgbe_multispeed_fiber_task(struct work_struct *work)
-{
- struct ixgbe_adapter *adapter = container_of(work,
- struct ixgbe_adapter,
- multispeed_fiber_task);
- struct ixgbe_hw *hw = &adapter->hw;
- u32 autoneg;
- bool negotiation;
-
- adapter->flags |= IXGBE_FLAG_IN_SFP_LINK_TASK;
- autoneg = hw->phy.autoneg_advertised;
- if ((!autoneg) && (hw->mac.ops.get_link_capabilities))
- hw->mac.ops.get_link_capabilities(hw, &autoneg, &negotiation);
- hw->mac.autotry_restart = false;
- if (hw->mac.ops.setup_link)
- hw->mac.ops.setup_link(hw, autoneg, negotiation, true);
- adapter->flags |= IXGBE_FLAG_NEED_LINK_UPDATE;
- adapter->flags &= ~IXGBE_FLAG_IN_SFP_LINK_TASK;
-}
-
-/**
- * ixgbe_sfp_config_module_task - worker thread to configure a new SFP+ module
- * @work: pointer to work_struct containing our data
- **/
-static void ixgbe_sfp_config_module_task(struct work_struct *work)
-{
- struct ixgbe_adapter *adapter = container_of(work,
- struct ixgbe_adapter,
- sfp_config_module_task);
- struct ixgbe_hw *hw = &adapter->hw;
- u32 err;
-
- adapter->flags |= IXGBE_FLAG_IN_SFP_MOD_TASK;
-
- /* Time for electrical oscillations to settle down */
- msleep(100);
- err = hw->phy.ops.identify_sfp(hw);
-
- if (err == IXGBE_ERR_SFP_NOT_SUPPORTED) {
- e_dev_err("failed to initialize because an unsupported SFP+ "
- "module type was detected.\n");
- e_dev_err("Reload the driver after installing a supported "
- "module.\n");
- unregister_netdev(adapter->netdev);
- return;
- }
- if (hw->mac.ops.setup_sfp)
- hw->mac.ops.setup_sfp(hw);
-
- if (!(adapter->flags & IXGBE_FLAG_IN_SFP_LINK_TASK))
- /* This will also work for DA Twinax connections */
- schedule_work(&adapter->multispeed_fiber_task);
- adapter->flags &= ~IXGBE_FLAG_IN_SFP_MOD_TASK;
-}
-
-/**
* ixgbe_fdir_reinit_task - worker thread to reinit FDIR filter table
* @work: pointer to work_struct containing our data
**/
@@ -6273,6 +6177,141 @@ static void ixgbe_watchdog_task(struct work_struct *work)
mutex_unlock(&ixgbe_watchdog_lock);
}
+/**
+ * ixgbe_sfp_detection_subtask - poll for SFP+ cable
+ * @adapter - the ixgbe adapter structure
+ **/
+static void ixgbe_sfp_detection_subtask(struct ixgbe_adapter *adapter)
+{
+ struct ixgbe_hw *hw = &adapter->hw;
+ s32 err;
+
+ /* not searching for SFP so there is nothing to do here */
+ if (!(adapter->flags2 & IXGBE_FLAG2_SEARCH_FOR_SFP) &&
+ !(adapter->flags2 & IXGBE_FLAG2_SFP_NEEDS_RESET))
+ return;
+
+ /* someone else is in init, wait until next service event */
+ if (test_and_set_bit(__IXGBE_IN_SFP_INIT, &adapter->state))
+ return;
+
+ err = hw->phy.ops.identify_sfp(hw);
+ if (err == IXGBE_ERR_SFP_NOT_SUPPORTED)
+ goto sfp_out;
+
+ if (err == IXGBE_ERR_SFP_NOT_PRESENT) {
+ /* If no cable is present, then we need to reset
+ * the next time we find a good cable. */
+ adapter->flags2 |= IXGBE_FLAG2_SFP_NEEDS_RESET;
+ }
+
+ /* exit on error */
+ if (err)
+ goto sfp_out;
+
+ /* exit if reset not needed */
+ if (!(adapter->flags2 & IXGBE_FLAG2_SFP_NEEDS_RESET))
+ goto sfp_out;
+
+ adapter->flags2 &= ~IXGBE_FLAG2_SFP_NEEDS_RESET;
+
+ /*
+ * A module may be identified correctly, but the EEPROM may not have
+ * support for that module. setup_sfp() will fail in that case, so
+ * we should not allow that module to load.
+ */
+ if (hw->mac.type == ixgbe_mac_82598EB)
+ err = hw->phy.ops.reset(hw);
+ else
+ err = hw->mac.ops.setup_sfp(hw);
+
+ if (err == IXGBE_ERR_SFP_NOT_SUPPORTED)
+ goto sfp_out;
+
+ adapter->flags |= IXGBE_FLAG_NEED_LINK_CONFIG;
+ e_info(probe, "detected SFP+: %d\n", hw->phy.sfp_type);
+
+sfp_out:
+ clear_bit(__IXGBE_IN_SFP_INIT, &adapter->state);
+
+ if ((err == IXGBE_ERR_SFP_NOT_SUPPORTED) &&
+ (adapter->netdev->reg_state == NETREG_REGISTERED)) {
+ e_dev_err("failed to initialize because an unsupported "
+ "SFP+ module type was detected.\n");
+ e_dev_err("Reload the driver after installing a "
+ "supported module.\n");
+ unregister_netdev(adapter->netdev);
+ }
+}
+
+/**
+ * ixgbe_sfp_link_config_subtask - set up link SFP after module install
+ * @adapter - the ixgbe adapter structure
+ **/
+static void ixgbe_sfp_link_config_subtask(struct ixgbe_adapter *adapter)
+{
+ struct ixgbe_hw *hw = &adapter->hw;
+ u32 autoneg;
+ bool negotiation;
+
+ if (!(adapter->flags & IXGBE_FLAG_NEED_LINK_CONFIG))
+ return;
+
+ /* someone else is in init, wait until next service event */
+ if (test_and_set_bit(__IXGBE_IN_SFP_INIT, &adapter->state))
+ return;
+
+ adapter->flags &= ~IXGBE_FLAG_NEED_LINK_CONFIG;
+
+ autoneg = hw->phy.autoneg_advertised;
+ if ((!autoneg) && (hw->mac.ops.get_link_capabilities))
+ hw->mac.ops.get_link_capabilities(hw, &autoneg, &negotiation);
+ hw->mac.autotry_restart = false;
+ if (hw->mac.ops.setup_link)
+ hw->mac.ops.setup_link(hw, autoneg, negotiation, true);
+
+ adapter->flags |= IXGBE_FLAG_NEED_LINK_UPDATE;
+ adapter->link_check_timeout = jiffies;
+ clear_bit(__IXGBE_IN_SFP_INIT, &adapter->state);
+}
+
+/**
+ * ixgbe_service_timer - Timer Call-back
+ * @data: pointer to adapter cast into an unsigned long
+ **/
+static void ixgbe_service_timer(unsigned long data)
+{
+ struct ixgbe_adapter *adapter = (struct ixgbe_adapter *)data;
+ unsigned long next_event_offset;
+
+ /* poll faster when waiting for link */
+ if (adapter->flags & IXGBE_FLAG_NEED_LINK_UPDATE)
+ next_event_offset = HZ / 10;
+ else
+ next_event_offset = HZ * 2;
+
+ /* Reset the timer */
+ mod_timer(&adapter->service_timer, next_event_offset + jiffies);
+
+ ixgbe_service_event_schedule(adapter);
+}
+
+/**
+ * ixgbe_service_task - manages and runs subtasks
+ * @work: pointer to work_struct containing our data
+ **/
+static void ixgbe_service_task(struct work_struct *work)
+{
+ struct ixgbe_adapter *adapter = container_of(work,
+ struct ixgbe_adapter,
+ service_task);
+
+ ixgbe_sfp_detection_subtask(adapter);
+ ixgbe_sfp_link_config_subtask(adapter);
+
+ ixgbe_service_event_complete(adapter);
+}
+
static int ixgbe_tso(struct ixgbe_adapter *adapter,
struct ixgbe_ring *tx_ring, struct sk_buff *skb,
u32 tx_flags, u8 *hdr_len, __be16 protocol)
@@ -7317,22 +7356,6 @@ static int __devinit ixgbe_probe(struct pci_dev *pdev,
hw->phy.mdio.mdio_read = ixgbe_mdio_read;
hw->phy.mdio.mdio_write = ixgbe_mdio_write;
- /* set up this timer and work struct before calling get_invariants
- * which might start the timer
- */
- init_timer(&adapter->sfp_timer);
- adapter->sfp_timer.function = ixgbe_sfp_timer;
- adapter->sfp_timer.data = (unsigned long) adapter;
-
- INIT_WORK(&adapter->sfp_task, ixgbe_sfp_task);
-
- /* multispeed fiber has its own tasklet, called from GPI SDP1 context */
- INIT_WORK(&adapter->multispeed_fiber_task, ixgbe_multispeed_fiber_task);
-
- /* a new SFP+ module arrival, called from GPI SDP2 context */
- INIT_WORK(&adapter->sfp_config_module_task,
- ixgbe_sfp_config_module_task);
-
ii->get_invariants(hw);
/* setup the private structure */
@@ -7366,17 +7389,9 @@ static int __devinit ixgbe_probe(struct pci_dev *pdev,
hw->phy.reset_if_overtemp = false;
if (err == IXGBE_ERR_SFP_NOT_PRESENT &&
hw->mac.type == ixgbe_mac_82598EB) {
- /*
- * Start a kernel thread to watch for a module to arrive.
- * Only do this for 82598, since 82599 will generate
- * interrupts on module arrival.
- */
- set_bit(__IXGBE_SFP_MODULE_NOT_FOUND, &adapter->state);
- mod_timer(&adapter->sfp_timer,
- round_jiffies(jiffies + (2 * HZ)));
err = 0;
} else if (err == IXGBE_ERR_SFP_NOT_SUPPORTED) {
- e_dev_err("failed to initialize because an unsupported SFP+ "
+ e_dev_err("failed to load because an unsupported SFP+ "
"module type was detected.\n");
e_dev_err("Reload the driver after installing a supported "
"module.\n");
@@ -7468,6 +7483,8 @@ static int __devinit ixgbe_probe(struct pci_dev *pdev,
(hw->mac.type == ixgbe_mac_82599EB))))
hw->mac.ops.disable_tx_laser(hw);
+ setup_timer(&adapter->service_timer, &ixgbe_service_timer,
+ (unsigned long) adapter);
init_timer(&adapter->watchdog_timer);
adapter->watchdog_timer.function = ixgbe_watchdog;
adapter->watchdog_timer.data = (unsigned long)adapter;
@@ -7475,6 +7492,9 @@ static int __devinit ixgbe_probe(struct pci_dev *pdev,
INIT_WORK(&adapter->reset_task, ixgbe_reset_task);
INIT_WORK(&adapter->watchdog_task, ixgbe_watchdog_task);
+ INIT_WORK(&adapter->service_task, ixgbe_service_task);
+ clear_bit(__IXGBE_SERVICE_SCHED, &adapter->state);
+
err = ixgbe_init_interrupt_scheme(adapter);
if (err)
goto err_sw_init;
@@ -7593,11 +7613,7 @@ err_sw_init:
err_eeprom:
if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED)
ixgbe_disable_sriov(adapter);
- clear_bit(__IXGBE_SFP_MODULE_NOT_FOUND, &adapter->state);
- del_timer_sync(&adapter->sfp_timer);
- cancel_work_sync(&adapter->sfp_task);
- cancel_work_sync(&adapter->multispeed_fiber_task);
- cancel_work_sync(&adapter->sfp_config_module_task);
+ adapter->flags2 &= ~IXGBE_FLAG2_SEARCH_FOR_SFP;
iounmap(hw->hw_addr);
err_ioremap:
free_netdev(netdev);
@@ -7625,19 +7641,15 @@ static void __devexit ixgbe_remove(struct pci_dev *pdev)
struct net_device *netdev = adapter->netdev;
set_bit(__IXGBE_DOWN, &adapter->state);
+ cancel_work_sync(&adapter->service_task);
/*
* The timers may be rescheduled, so explicitly disable them
* from being rescheduled.
*/
- clear_bit(__IXGBE_SFP_MODULE_NOT_FOUND, &adapter->state);
del_timer_sync(&adapter->watchdog_timer);
- del_timer_sync(&adapter->sfp_timer);
cancel_work_sync(&adapter->watchdog_task);
- cancel_work_sync(&adapter->sfp_task);
- cancel_work_sync(&adapter->multispeed_fiber_task);
- cancel_work_sync(&adapter->sfp_config_module_task);
if (adapter->flags & IXGBE_FLAG_FDIR_HASH_CAPABLE ||
adapter->flags & IXGBE_FLAG_FDIR_PERFECT_CAPABLE)
cancel_work_sync(&adapter->fdir_reinit_task);
--
1.7.4.4
--
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