extern char iavf_driver_name[];
extern struct workqueue_struct *iavf_wq;
+static inline const char *iavf_state_str(enum iavf_state_t state)
+{
+ switch (state) {
+ case __IAVF_STARTUP:
+ return "__IAVF_STARTUP";
+ case __IAVF_REMOVE:
+ return "__IAVF_REMOVE";
+ case __IAVF_INIT_VERSION_CHECK:
+ return "__IAVF_INIT_VERSION_CHECK";
+ case __IAVF_INIT_GET_RESOURCES:
+ return "__IAVF_INIT_GET_RESOURCES";
+ case __IAVF_INIT_SW:
+ return "__IAVF_INIT_SW";
+ case __IAVF_INIT_FAILED:
+ return "__IAVF_INIT_FAILED";
+ case __IAVF_RESETTING:
+ return "__IAVF_RESETTING";
+ case __IAVF_COMM_FAILED:
+ return "__IAVF_COMM_FAILED";
+ case __IAVF_DOWN:
+ return "__IAVF_DOWN";
+ case __IAVF_DOWN_PENDING:
+ return "__IAVF_DOWN_PENDING";
+ case __IAVF_TESTING:
+ return "__IAVF_TESTING";
+ case __IAVF_RUNNING:
+ return "__IAVF_RUNNING";
+ default:
+ return "__IAVF_UNKNOWN_STATE";
+ }
+}
+
static inline void iavf_change_state(struct iavf_adapter *adapter,
enum iavf_state_t state)
{
adapter->last_state = adapter->state;
adapter->state = state;
}
+ dev_dbg(&adapter->pdev->dev,
+ "state transition from:%s to:%s\n",
+ iavf_state_str(adapter->last_state),
+ iavf_state_str(adapter->state));
}
int iavf_up(struct iavf_adapter *adapter);
goto err_unlock;
}
+ if (adapter->state == __IAVF_RUNNING &&
+ !test_bit(__IAVF_VSI_DOWN, adapter->vsi.state)) {
+ dev_dbg(&adapter->pdev->dev, "VF is already open.\n");
+ err = 0;
+ goto err_unlock;
+ }
+
/* allocate transmit descriptors */
err = iavf_setup_all_tx_resources(adapter);
if (err)
static void iavf_remove(struct pci_dev *pdev)
{
struct iavf_adapter *adapter = iavf_pdev_to_adapter(pdev);
+ enum iavf_state_t prev_state = adapter->last_state;
struct net_device *netdev = adapter->netdev;
struct iavf_fdir_fltr *fdir, *fdirtmp;
struct iavf_vlan_filter *vlf, *vlftmp;
iavf_change_state(adapter, __IAVF_REMOVE);
adapter->aq_required = 0;
adapter->flags &= ~IAVF_FLAG_REINIT_ITR_NEEDED;
+
iavf_free_all_tx_resources(adapter);
iavf_free_all_rx_resources(adapter);
iavf_misc_irq_disable(adapter);
iavf_free_misc_irq(adapter);
+
+ /* In case we enter iavf_remove from erroneous state, free traffic irqs
+ * here, so as to not cause a kernel crash, when calling
+ * iavf_reset_interrupt_capability.
+ */
+ if ((adapter->last_state == __IAVF_RESETTING &&
+ prev_state != __IAVF_DOWN) ||
+ (adapter->last_state == __IAVF_RUNNING &&
+ !(netdev->flags & IFF_UP)))
+ iavf_free_traffic_irqs(adapter);
+
iavf_reset_interrupt_capability(adapter);
iavf_free_q_vectors(adapter);