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authorDavid S. Miller <davem@davemloft.net>2009-04-21 01:32:26 -0700
committerDavid S. Miller <davem@davemloft.net>2009-04-21 01:32:26 -0700
commite5e9743bb7429f53c83ad69b432f7b661e74c3f0 (patch)
treedb3691aef0d46c4aed4a2be6dc8ab7c44c3488cb /drivers/net/cxgb3
parenta0f82f64e26929776c58a5c93c2ecb38e3d82815 (diff)
parent775d8d931581764a1ec982ebe5a927b12762fb6d (diff)
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts: net/core/dev.c
Diffstat (limited to 'drivers/net/cxgb3')
-rw-r--r--drivers/net/cxgb3/cxgb3_main.c44
-rw-r--r--drivers/net/cxgb3/t3_hw.c11
2 files changed, 21 insertions, 34 deletions
diff --git a/drivers/net/cxgb3/cxgb3_main.c b/drivers/net/cxgb3/cxgb3_main.c
index ab0e5febef8..7ea48414c6c 100644
--- a/drivers/net/cxgb3/cxgb3_main.c
+++ b/drivers/net/cxgb3/cxgb3_main.c
@@ -1117,8 +1117,8 @@ static void cxgb_down(struct adapter *adapter)
spin_unlock_irq(&adapter->work_lock);
free_irq_resources(adapter);
- flush_workqueue(cxgb3_wq); /* wait for external IRQ handler */
quiesce_rx(adapter);
+ flush_workqueue(cxgb3_wq); /* wait for external IRQ handler */
}
static void schedule_chk_task(struct adapter *adap)
@@ -1187,6 +1187,9 @@ static int offload_close(struct t3cdev *tdev)
sysfs_remove_group(&tdev->lldev->dev.kobj, &offload_attr_group);
+ /* Flush work scheduled while releasing TIDs */
+ flush_scheduled_work();
+
tdev->lldev = NULL;
cxgb3_set_dummy_ops(tdev);
t3_tp_set_offload_mode(adapter, 0);
@@ -1232,6 +1235,10 @@ static int cxgb_close(struct net_device *dev)
struct port_info *pi = netdev_priv(dev);
struct adapter *adapter = pi->adapter;
+
+ if (!adapter->open_device_map)
+ return 0;
+
/* Stop link fault interrupts */
t3_xgm_intr_disable(adapter, pi->port_id);
t3_read_reg(adapter, A_XGM_INT_STATUS + pi->mac.offset);
@@ -1247,8 +1254,7 @@ static int cxgb_close(struct net_device *dev)
spin_unlock_irq(&adapter->work_lock);
if (!(adapter->open_device_map & PORT_MASK))
- cancel_rearming_delayed_workqueue(cxgb3_wq,
- &adapter->adap_check_task);
+ cancel_delayed_work_sync(&adapter->adap_check_task);
if (!adapter->open_device_map)
cxgb_down(adapter);
@@ -2493,6 +2499,7 @@ static void check_link_status(struct adapter *adapter)
spin_lock_irq(&adapter->work_lock);
if (p->link_fault) {
+ t3_link_fault(adapter, i);
spin_unlock_irq(&adapter->work_lock);
continue;
}
@@ -2554,9 +2561,7 @@ static void t3_adap_check_task(struct work_struct *work)
adapter->check_task_cnt++;
- /* Check link status for PHYs without interrupts */
- if (p->linkpoll_period)
- check_link_status(adapter);
+ check_link_status(adapter);
/* Accumulate MAC stats if needed */
if (!p->linkpoll_period ||
@@ -2680,21 +2685,6 @@ void t3_os_ext_intr_handler(struct adapter *adapter)
spin_unlock(&adapter->work_lock);
}
-static void link_fault_task(struct work_struct *work)
-{
- struct adapter *adapter = container_of(work, struct adapter,
- link_fault_handler_task);
- int i;
-
- for_each_port(adapter, i) {
- struct net_device *netdev = adapter->port[i];
- struct port_info *pi = netdev_priv(netdev);
-
- if (pi->link_fault)
- t3_link_fault(adapter, i);
- }
-}
-
void t3_os_link_fault_handler(struct adapter *adapter, int port_id)
{
struct net_device *netdev = adapter->port[port_id];
@@ -2702,7 +2692,6 @@ void t3_os_link_fault_handler(struct adapter *adapter, int port_id)
spin_lock(&adapter->work_lock);
pi->link_fault = 1;
- queue_work(cxgb3_wq, &adapter->link_fault_handler_task);
spin_unlock(&adapter->work_lock);
}
@@ -2838,6 +2827,9 @@ static pci_ers_result_t t3_io_error_detected(struct pci_dev *pdev,
struct adapter *adapter = pci_get_drvdata(pdev);
int ret;
+ if (state == pci_channel_io_perm_failure)
+ return PCI_ERS_RESULT_DISCONNECT;
+
ret = t3_adapter_error(adapter, 0);
/* Request a slot reset. */
@@ -2932,8 +2924,13 @@ static int __devinit cxgb_enable_msix(struct adapter *adap)
while ((err = pci_enable_msix(adap->pdev, entries, vectors)) > 0)
vectors = err;
- if (!err && vectors < (adap->params.nports + 1))
+ if (err < 0)
+ pci_disable_msix(adap->pdev);
+
+ if (!err && vectors < (adap->params.nports + 1)) {
+ pci_disable_msix(adap->pdev);
err = -1;
+ }
if (!err) {
for (i = 0; i < vectors; ++i)
@@ -3082,7 +3079,6 @@ static int __devinit init_one(struct pci_dev *pdev,
INIT_LIST_HEAD(&adapter->adapter_list);
INIT_WORK(&adapter->ext_intr_handler_task, ext_intr_task);
- INIT_WORK(&adapter->link_fault_handler_task, link_fault_task);
INIT_WORK(&adapter->fatal_error_handler_task, fatal_error_task);
INIT_DELAYED_WORK(&adapter->adap_check_task, t3_adap_check_task);
diff --git a/drivers/net/cxgb3/t3_hw.c b/drivers/net/cxgb3/t3_hw.c
index 31ed31a3428..e1bd690ff83 100644
--- a/drivers/net/cxgb3/t3_hw.c
+++ b/drivers/net/cxgb3/t3_hw.c
@@ -1202,7 +1202,6 @@ void t3_link_changed(struct adapter *adapter, int port_id)
struct cphy *phy = &pi->phy;
struct cmac *mac = &pi->mac;
struct link_config *lc = &pi->link_config;
- int force_link_down = 0;
phy->ops->get_link_status(phy, &link_ok, &speed, &duplex, &fc);
@@ -1218,14 +1217,9 @@ void t3_link_changed(struct adapter *adapter, int port_id)
status = t3_read_reg(adapter, A_XGM_INT_STATUS + mac->offset);
if (status & F_LINKFAULTCHANGE) {
mac->stats.link_faults++;
- force_link_down = 1;
+ pi->link_fault = 1;
}
t3_open_rx_traffic(mac, rx_cfg, rx_hash_high, rx_hash_low);
-
- if (force_link_down) {
- t3_os_link_fault_handler(adapter, port_id);
- return;
- }
}
if (lc->requested_fc & PAUSE_AUTONEG)
@@ -1292,9 +1286,6 @@ void t3_link_fault(struct adapter *adapter, int port_id)
/* Account link faults only when the phy reports a link up */
if (link_ok)
mac->stats.link_faults++;
-
- msleep(1000);
- t3_os_link_fault_handler(adapter, port_id);
} else {
if (link_ok)
t3_write_reg(adapter, A_XGM_XAUI_ACT_CTRL + mac->offset,