liquidio: moved liquidio_legacy_intr_handler to lio_core.c

Moving liquidio_legacy_intr_handler to lio_core.c

Signed-off-by: Intiyaz Basha <intiyaz.basha@cavium.com>
Signed-off-by: Raghu Vatsavayi <raghu.vatsavayi@cavium.com>
Signed-off-by: Felix Manlunas <felix.manlunas@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 55 insertions, 0 deletions

diff --git a/drivers/net/ethernet/cavium/liquidio/lio_core.c b/drivers/net/ethernet/cavium/liquidio/lio_core.c
index 03746d8f2778..5c5f957f9d40 100644
--- a/drivers/net/ethernet/cavium/liquidio/lio_core.c
+++ b/drivers/net/ethernet/cavium/liquidio/lio_core.c
@@ -829,3 +829,58 @@ liquidio_msix_intr_handler(int irq __attribute__((unused)), void *dev)
 
 	return IRQ_HANDLED;
 }
+
+/**
+ * \brief Droq packet processor sceduler
+ * @param oct octeon device
+ */
+static void liquidio_schedule_droq_pkt_handlers(struct octeon_device *oct)
+{
+	struct octeon_device_priv *oct_priv =
+		(struct octeon_device_priv *)oct->priv;
+	struct octeon_droq *droq;
+	u64 oq_no;
+
+	if (oct->int_status & OCT_DEV_INTR_PKT_DATA) {
+		for (oq_no = 0; oq_no < MAX_OCTEON_OUTPUT_QUEUES(oct);
+		     oq_no++) {
+			if (!(oct->droq_intr & BIT_ULL(oq_no)))
+				continue;
+
+			droq = oct->droq[oq_no];
+
+			if (droq->ops.poll_mode) {
+				droq->ops.napi_fn(droq);
+				oct_priv->napi_mask |= (1 << oq_no);
+			} else {
+				tasklet_schedule(&oct_priv->droq_tasklet);
+			}
+		}
+	}
+}
+
+/**
+ * \brief Interrupt handler for octeon
+ * @param irq unused
+ * @param dev octeon device
+ */
+irqreturn_t liquidio_legacy_intr_handler(int irq __attribute__((unused)),
+					 void *dev)
+{
+	struct octeon_device *oct = (struct octeon_device *)dev;
+	irqreturn_t ret;
+
+	/* Disable our interrupts for the duration of ISR */
+	oct->fn_list.disable_interrupt(oct, OCTEON_ALL_INTR);
+
+	ret = oct->fn_list.process_interrupt_regs(oct);
+
+	if (ret == IRQ_HANDLED)
+		liquidio_schedule_droq_pkt_handlers(oct);
+
+	/* Re-enable our interrupts  */
+	if (!(atomic_read(&oct->status) == OCT_DEV_IN_RESET))
+		oct->fn_list.enable_interrupt(oct, OCTEON_ALL_INTR);
+
+	return ret;
+}