static void igc_free_q_vectors(struct igc_adapter *adapter);
static void igc_irq_disable(struct igc_adapter *adapter);
static void igc_irq_enable(struct igc_adapter *adapter);
-static void igc_configure_msix(struct igc_adapter *adapter);
enum latency_range {
lowest_latency = 0,
}
}
+/**
+ * igc_configure_msix - Configure MSI-X hardware
+ * @adapter: Pointer to adapter structure
+ *
+ * igc_configure_msix sets up the hardware to properly
+ * generate MSI-X interrupts.
+ */
+static void igc_configure_msix(struct igc_adapter *adapter)
+{
+ struct igc_hw *hw = &adapter->hw;
+ int i, vector = 0;
+ u32 tmp;
+
+ adapter->eims_enable_mask = 0;
+
+ /* set vector for other causes, i.e. link changes */
+ switch (hw->mac.type) {
+ case igc_i225:
+ /* Turn on MSI-X capability first, or our settings
+ * won't stick. And it will take days to debug.
+ */
+ wr32(IGC_GPIE, IGC_GPIE_MSIX_MODE |
+ IGC_GPIE_PBA | IGC_GPIE_EIAME |
+ IGC_GPIE_NSICR);
+
+ /* enable msix_other interrupt */
+ adapter->eims_other = BIT(vector);
+ tmp = (vector++ | IGC_IVAR_VALID) << 8;
+
+ wr32(IGC_IVAR_MISC, tmp);
+ break;
+ default:
+ /* do nothing, since nothing else supports MSI-X */
+ break;
+ } /* switch (hw->mac.type) */
+
+ adapter->eims_enable_mask |= adapter->eims_other;
+
+ for (i = 0; i < adapter->num_q_vectors; i++)
+ igc_assign_vector(adapter->q_vector[i], vector++);
+
+ wrfl();
+}
+
/**
* igc_up - Open the interface and prepare it to handle traffic
* @adapter: board private structure
q_vector->set_itr = 1;
}
-/**
- * igc_configure_msix - Configure MSI-X hardware
- * @adapter: Pointer to adapter structure
- *
- * igc_configure_msix sets up the hardware to properly
- * generate MSI-X interrupts.
- */
-static void igc_configure_msix(struct igc_adapter *adapter)
-{
- struct igc_hw *hw = &adapter->hw;
- int i, vector = 0;
- u32 tmp;
-
- adapter->eims_enable_mask = 0;
-
- /* set vector for other causes, i.e. link changes */
- switch (hw->mac.type) {
- case igc_i225:
- /* Turn on MSI-X capability first, or our settings
- * won't stick. And it will take days to debug.
- */
- wr32(IGC_GPIE, IGC_GPIE_MSIX_MODE |
- IGC_GPIE_PBA | IGC_GPIE_EIAME |
- IGC_GPIE_NSICR);
-
- /* enable msix_other interrupt */
- adapter->eims_other = BIT(vector);
- tmp = (vector++ | IGC_IVAR_VALID) << 8;
-
- wr32(IGC_IVAR_MISC, tmp);
- break;
- default:
- /* do nothing, since nothing else supports MSI-X */
- break;
- } /* switch (hw->mac.type) */
-
- adapter->eims_enable_mask |= adapter->eims_other;
-
- for (i = 0; i < adapter->num_q_vectors; i++)
- igc_assign_vector(adapter->q_vector[i], vector++);
-
- wrfl();
-}
-
static irqreturn_t igc_msix_ring(int irq, void *data)
{
struct igc_q_vector *q_vector = data;