dpaa2-eth: add irq for the dpmac connect/disconnect event

Add IRQ for the DPNI endpoint change event, resolving the issue
when a dynamically created DPNI gets a randomly generated hw address
when the endpoint is a DPMAC object.

Signed-off-by: Florin Chiculita <florinlaurentiu.chiculita@nxp.com>
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
index 162d7d8..5acd734 100644 (file)
--- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
+++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
@@ -3306,6 +3306,9 @@ static irqreturn_t dpni_irq0_handler_thread(int irq_num, void *arg)
        if (status & DPNI_IRQ_EVENT_LINK_CHANGED)
                link_state_update(netdev_priv(net_dev));
 
+       if (status & DPNI_IRQ_EVENT_ENDPOINT_CHANGED)
+               set_mac_addr(netdev_priv(net_dev));
+
        return IRQ_HANDLED;
 }
 
@@ -3331,7 +3334,8 @@ static int setup_irqs(struct fsl_mc_device *ls_dev)
        }
 
        err = dpni_set_irq_mask(ls_dev->mc_io, 0, ls_dev->mc_handle,
-                               DPNI_IRQ_INDEX, DPNI_IRQ_EVENT_LINK_CHANGED);
+                               DPNI_IRQ_INDEX, DPNI_IRQ_EVENT_LINK_CHANGED |
+                               DPNI_IRQ_EVENT_ENDPOINT_CHANGED);
        if (err < 0) {
                dev_err(&ls_dev->dev, "dpni_set_irq_mask(): %d\n", err);
                goto free_irq;

diff --git a/drivers/net/ethernet/freescale/dpaa2/dpni.h b/drivers/net/ethernet/freescale/dpaa2/dpni.h
index fd58391..ee0711d 100644 (file)
--- a/drivers/net/ethernet/freescale/dpaa2/dpni.h
+++ b/drivers/net/ethernet/freescale/dpaa2/dpni.h
@@ -133,9 +133,12 @@ int dpni_reset(struct fsl_mc_io    *mc_io,
  */
 #define DPNI_IRQ_INDEX                         0
 /**
- * IRQ event - indicates a change in link state
+ * IRQ events:
+ *       indicates a change in link state
+ *       indicates a change in endpoint
  */
 #define DPNI_IRQ_EVENT_LINK_CHANGED            0x00000001
+#define DPNI_IRQ_EVENT_ENDPOINT_CHANGED                0x00000002
 
 int dpni_set_irq_enable(struct fsl_mc_io       *mc_io,
                        u32                     cmd_flags,