return;
}
-/**
- * ixgbe_irq_disable - Mask off interrupt generation on the NIC
- * @adapter: board private structure
- **/
-static inline void ixgbe_irq_disable(struct ixgbe_adapter *adapter)
-{
- IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, ~0);
- if (adapter->hw.mac.type == ixgbe_mac_82599EB) {
- IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC_EX(1), ~0);
- IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC_EX(2), ~0);
- }
- IXGBE_WRITE_FLUSH(&adapter->hw);
- if (adapter->flags & IXGBE_FLAG_MSIX_ENABLED) {
- int i;
- for (i = 0; i < adapter->num_msix_vectors; i++)
- synchronize_irq(adapter->msix_entries[i].vector);
- } else {
- synchronize_irq(adapter->pdev->irq);
- }
-}
-
/**
* ixgbe_irq_enable - Enable default interrupt generation settings
* @adapter: board private structure
}
}
+/**
+ * ixgbe_irq_disable - Mask off interrupt generation on the NIC
+ * @adapter: board private structure
+ **/
+static inline void ixgbe_irq_disable(struct ixgbe_adapter *adapter)
+{
+ IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, ~0);
+ if (adapter->hw.mac.type == ixgbe_mac_82599EB) {
+ IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC_EX(1), ~0);
+ IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC_EX(2), ~0);
+ }
+ IXGBE_WRITE_FLUSH(&adapter->hw);
+ if (adapter->flags & IXGBE_FLAG_MSIX_ENABLED) {
+ int i;
+ for (i = 0; i < adapter->num_msix_vectors; i++)
+ synchronize_irq(adapter->msix_entries[i].vector);
+ } else {
+ synchronize_irq(adapter->pdev->irq);
+ }
+}
+
+static inline void ixgbe_irq_enable_queues(struct ixgbe_adapter *adapter)
+{
+ u32 mask = IXGBE_EIMS_RTX_QUEUE;
+ IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMS, mask);
+ if (adapter->hw.mac.type == ixgbe_mac_82599EB) {
+ IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMS_EX(1), mask << 16);
+ IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMS_EX(2),
+ (mask << 16 | mask));
+ }
+ /* skip the flush */
+}
+
/**
* ixgbe_configure_msi_and_legacy - Initialize PIN (INTA...) and MSI interrupts
*
if (adapter->itr_setting & 1)
ixgbe_set_itr(adapter);
if (!test_bit(__IXGBE_DOWN, &adapter->state))
- ixgbe_irq_enable(adapter);
+ ixgbe_irq_enable_queues(adapter);
}
return work_done;
}
/* Do the watchdog outside of interrupt context due to the lovely
* delays that some of the newer hardware requires */
if (!test_bit(__IXGBE_DOWN, &adapter->state)) {
+ u64 eics = 0;
+ int i;
+
+ for (i = 0; i < adapter->num_msix_vectors - NON_Q_VECTORS; i++)
+ eics |= (1 << i);
+
/* Cause software interrupt to ensure rx rings are cleaned */
- if (adapter->flags & IXGBE_FLAG_MSIX_ENABLED) {
- u32 eics =
- (1 << (adapter->num_msix_vectors - NON_Q_VECTORS)) - 1;
- IXGBE_WRITE_REG(hw, IXGBE_EICS, eics);
- } else {
- /* For legacy and MSI interrupts don't set any bits that
- * are enabled for EIAM, because this operation would
- * set *both* EIMS and EICS for any bit in EIAM */
- IXGBE_WRITE_REG(hw, IXGBE_EICS,
- (IXGBE_EICS_TCP_TIMER | IXGBE_EICS_OTHER));
+ switch (hw->mac.type) {
+ case ixgbe_mac_82598EB:
+ if (adapter->flags & IXGBE_FLAG_MSIX_ENABLED) {
+ IXGBE_WRITE_REG(hw, IXGBE_EICS, (u32)eics);
+ } else {
+ /*
+ * for legacy and MSI interrupts don't set any
+ * bits that are enabled for EIAM, because this
+ * operation would set *both* EIMS and EICS for
+ * any bit in EIAM
+ */
+ IXGBE_WRITE_REG(hw, IXGBE_EICS,
+ (IXGBE_EICS_TCP_TIMER | IXGBE_EICS_OTHER));
+ }
+ break;
+ case ixgbe_mac_82599EB:
+ if (adapter->flags & IXGBE_FLAG_MSIX_ENABLED) {
+ /*
+ * EICS(0..15) first 0-15 q vectors
+ * EICS[1] (16..31) q vectors 16-31
+ * EICS[2] (0..31) q vectors 32-63
+ */
+ IXGBE_WRITE_REG(hw, IXGBE_EICS,
+ (u32)(eics & 0xFFFF));
+ IXGBE_WRITE_REG(hw, IXGBE_EICS_EX(1),
+ (u32)(eics & 0xFFFF0000));
+ IXGBE_WRITE_REG(hw, IXGBE_EICS_EX(2),
+ (u32)(eics >> 32));
+ } else {
+ /*
+ * for legacy and MSI interrupts don't set any
+ * bits that are enabled for EIAM, because this
+ * operation would set *both* EIMS and EICS for
+ * any bit in EIAM
+ */
+ IXGBE_WRITE_REG(hw, IXGBE_EICS,
+ (IXGBE_EICS_TCP_TIMER | IXGBE_EICS_OTHER));
+ }
+ break;
+ default:
+ break;
}
/* Reset the timer */
mod_timer(&adapter->watchdog_timer,
return __ixgbe_maybe_stop_tx(netdev, tx_ring, size);
}
+static u16 ixgbe_select_queue(struct net_device *dev, struct sk_buff *skb)
+{
+ struct ixgbe_adapter *adapter = netdev_priv(dev);
+
+ if (adapter->flags & IXGBE_FLAG_DCB_ENABLED)
+ return 0; /* All traffic should default to class 0 */
+
+ return skb_tx_hash(dev, skb);
+}
+
static int ixgbe_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
{
struct ixgbe_adapter *adapter = netdev_priv(netdev);
.ndo_open = ixgbe_open,
.ndo_stop = ixgbe_close,
.ndo_start_xmit = ixgbe_xmit_frame,
+ .ndo_select_queue = ixgbe_select_queue,
.ndo_get_stats = ixgbe_get_stats,
.ndo_set_rx_mode = ixgbe_set_rx_mode,
.ndo_set_multicast_list = ixgbe_set_rx_mode,
return ret_val ? NOTIFY_BAD : NOTIFY_DONE;
}
+
#endif /* CONFIG_IXGBE_DCA */
+#ifdef DEBUG
+/**
+ * ixgbe_get_hw_dev_name - return device name string
+ * used by hardware layer to print debugging information
+ **/
+char *ixgbe_get_hw_dev_name(struct ixgbe_hw *hw)
+{
+ struct ixgbe_adapter *adapter = hw->back;
+ return adapter->netdev->name;
+}
+#endif
module_exit(ixgbe_exit_module);
/* ixgbe_main.c */
projects / karo-tx-linux.git / blobdiff