net/failsafe: support link status change event

[dpdk.git] / drivers / net / failsafe / failsafe_ops.c

diff --git a/drivers/net/failsafe/failsafe_ops.c b/drivers/net/failsafe/failsafe_ops.c
index e8edf15..ff9ad15 100644 (file)
--- a/drivers/net/failsafe/failsafe_ops.c
+++ b/drivers/net/failsafe/failsafe_ops.c
@@ -206,6 +206,8 @@ fs_dev_configure(struct rte_eth_dev *dev)
        }
        FOREACH_SUBDEV(sdev, i, dev) {
                int rmv_interrupt = 0;
+               int lsc_interrupt = 0;
+               int lsc_enabled;
 
                if (sdev->state != DEV_PROBED)
                        continue;
@@ -218,6 +220,17 @@ fs_dev_configure(struct rte_eth_dev *dev)
                } else {
                        DEBUG("sub_device %d does not support RMV event", i);
                }
+               lsc_enabled = dev->data->dev_conf.intr_conf.lsc;
+               lsc_interrupt = lsc_enabled &&
+                               (ETH(sdev)->data->dev_flags &
+                                RTE_ETH_DEV_INTR_LSC);
+               if (lsc_interrupt) {
+                       DEBUG("Enabling LSC interrupts for sub_device %d", i);
+                       dev->data->dev_conf.intr_conf.lsc = 1;
+               } else if (lsc_enabled && !lsc_interrupt) {
+                       DEBUG("Disabling LSC interrupts for sub_device %d", i);
+                       dev->data->dev_conf.intr_conf.lsc = 0;
+               }
                DEBUG("Configuring sub-device %d", i);
                sdev->remove = 0;
                ret = rte_eth_dev_configure(PORT_ID(sdev),
@@ -238,6 +251,16 @@ fs_dev_configure(struct rte_eth_dev *dev)
                                     SUB_ID(sdev));
                }
                dev->data->dev_conf.intr_conf.rmv = 0;
+               if (lsc_interrupt) {
+                       ret = rte_eth_dev_callback_register(PORT_ID(sdev),
+                                               RTE_ETH_EVENT_INTR_LSC,
+                                               failsafe_eth_lsc_event_callback,
+                                               dev);
+                       if (ret)
+                               WARN("Failed to register LSC callback for sub_device %d",
+                                    SUB_ID(sdev));
+               }
+               dev->data->dev_conf.intr_conf.lsc = lsc_enabled;
                sdev->state = DEV_ACTIVE;
        }
        if (PRIV(dev)->state < DEV_ACTIVE)