From: Yuyu Li <liyuyu6@xxxxxxxxxx>
hns3 NIC driver can directly notify the RoCE driver about link status
events bypassing the netdev notifier. This can provide more timely
event dispatching for ULPs.
Signed-off-by: Yuyu Li <liyuyu6@xxxxxxxxxx>
Signed-off-by: Junxian Huang <huangjunxian6@xxxxxxxxxxxxx>
---
drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
index 697b17cca02e..5c911d1def03 100644
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
@@ -7178,9 +7178,22 @@ static int hns_roce_hw_v2_reset_notify(struct hnae3_handle *handle,
return ret;
}
+static void hns_roce_hw_v2_link_status_change(struct hnae3_handle *handle,
+ bool linkup)
+{
+ struct hns_roce_dev *hr_dev = (struct hns_roce_dev *)handle->priv;
+ struct net_device *netdev = handle->rinfo.netdev;
+
+ if (linkup || !hr_dev)
+ return;
+
+ ib_dispatch_port_state_event(&hr_dev->ib_dev, netdev);
+}
+
static const struct hnae3_client_ops hns_roce_hw_v2_ops = {
.init_instance = hns_roce_hw_v2_init_instance,
.uninit_instance = hns_roce_hw_v2_uninit_instance,
+ .link_status_change = hns_roce_hw_v2_link_status_change,
.reset_notify = hns_roce_hw_v2_reset_notify,
};
--
2.33.0
