[PATCH v2 11/12] net/cpfl: support link update for representor

[beilei . xing]

From: Beilei Xing <beilei.x...@intel.com>

Add link update ops for representor.

Signed-off-by: Jingjing Wu <jingjing...@intel.com>
Signed-off-by: Beilei Xing <beilei.x...@intel.com>
---
 drivers/net/cpfl/cpfl_ethdev.h      |  1 +
 drivers/net/cpfl/cpfl_representor.c | 21 +++++++++++++++++++++
 2 files changed, 22 insertions(+)

diff --git a/drivers/net/cpfl/cpfl_ethdev.h b/drivers/net/cpfl/cpfl_ethdev.h
index cc7f43fc3e..55bd119423 100644
--- a/drivers/net/cpfl/cpfl_ethdev.h
+++ b/drivers/net/cpfl/cpfl_ethdev.h
@@ -163,6 +163,7 @@ struct cpfl_repr {
        struct cpfl_repr_id repr_id;
        struct rte_ether_addr mac_addr;
        struct cpfl_vport_info *vport_info;
+       bool func_up; /* If the represented function is up */
 };
 
 struct cpfl_adapter_ext {
diff --git a/drivers/net/cpfl/cpfl_representor.c 
b/drivers/net/cpfl/cpfl_representor.c
index ed2d1fff17..5b5c959727 100644
--- a/drivers/net/cpfl/cpfl_representor.c
+++ b/drivers/net/cpfl/cpfl_representor.c
@@ -285,12 +285,31 @@ cpfl_repr_dev_stop(struct rte_eth_dev *dev)
        return 0;
 }
 
+static int
+cpfl_repr_link_update(struct rte_eth_dev *ethdev,
+                     __rte_unused int wait_to_complete)
+{
+       struct cpfl_repr *repr = CPFL_DEV_TO_REPR(ethdev);
+       struct rte_eth_link *dev_link = &ethdev->data->dev_link;
+
+       if (!(ethdev->data->dev_flags & RTE_ETH_DEV_REPRESENTOR)) {
+               PMD_INIT_LOG(ERR, "This ethdev is not representor.");
+               return -EINVAL;
+       }
+       dev_link->link_status = repr->func_up ?
+                       RTE_ETH_LINK_UP : RTE_ETH_LINK_DOWN;
+
+       return 0;
+}
+
 static const struct eth_dev_ops cpfl_repr_dev_ops = {
        .dev_start              = cpfl_repr_dev_start,
        .dev_stop               = cpfl_repr_dev_stop,
        .dev_configure          = cpfl_repr_dev_configure,
        .dev_close              = cpfl_repr_dev_close,
        .dev_infos_get          = cpfl_repr_dev_info_get,
+
+       .link_update            = cpfl_repr_link_update,
 };
 
 static int
@@ -305,6 +324,8 @@ cpfl_repr_init(struct rte_eth_dev *eth_dev, void 
*init_param)
        repr->itf.type = CPFL_ITF_TYPE_REPRESENTOR;
        repr->itf.adapter = adapter;
        repr->itf.data = eth_dev->data;
+       if (repr->vport_info->vport_info.vport_status == 
CPCHNL2_VPORT_STATUS_ENABLED)
+               repr->func_up = true;
 
        eth_dev->dev_ops = &cpfl_repr_dev_ops;
 
-- 
2.34.1