qlcnic: Update poll controller code path

Add support for MSI/MSI-X mode in poll controller routine.

Signed-off-by: Manish Chopra <manish.chopra@qlogic.com>
Signed-off-by: Shahed Shaikh <shahed.shaikh@qlogic.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
index b9c1e37..0cfa8a3 100644 (file)
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
@@ -2925,17 +2925,39 @@ static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data)
 #ifdef CONFIG_NET_POLL_CONTROLLER
 static void qlcnic_poll_controller(struct net_device *netdev)
 {
-       int ring;
-       struct qlcnic_host_sds_ring *sds_ring;
        struct qlcnic_adapter *adapter = netdev_priv(netdev);
-       struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
+       struct qlcnic_host_sds_ring *sds_ring;
+       struct qlcnic_recv_context *recv_ctx;
+       struct qlcnic_host_tx_ring *tx_ring;
+       int ring;
+
+       if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
+               return;
+
+       recv_ctx = adapter->recv_ctx;
 
-       disable_irq(adapter->irq);
        for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
                sds_ring = &recv_ctx->sds_rings[ring];
-               qlcnic_intr(adapter->irq, sds_ring);
+               qlcnic_disable_sds_intr(adapter, sds_ring);
+               napi_schedule(&sds_ring->napi);
+       }
+
+       if (adapter->flags & QLCNIC_MSIX_ENABLED) {
+               /* Only Multi-Tx queue capable devices need to
+                * schedule NAPI for TX rings
+                */
+               if ((qlcnic_83xx_check(adapter) &&
+                    (adapter->flags & QLCNIC_TX_INTR_SHARED)) ||
+                   (qlcnic_82xx_check(adapter) &&
+                    !qlcnic_check_multi_tx(adapter)))
+                       return;
+
+               for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
+                       tx_ring = &adapter->tx_ring[ring];
+                       qlcnic_disable_tx_intr(adapter, tx_ring);
+                       napi_schedule(&tx_ring->napi);
+               }
        }
-       enable_irq(adapter->irq);
 }
 #endif