[PATCH 04/21] net/cpfl: support device start and stop

[Mingxia Liu]

Add dev ops dev_start, dev_stop and link_update.

Signed-off-by: Mingxia Liu <mingxia....@intel.com>
---
 drivers/net/cpfl/cpfl_ethdev.c | 45 ++++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)

diff --git a/drivers/net/cpfl/cpfl_ethdev.c b/drivers/net/cpfl/cpfl_ethdev.c
index 6d1992dd6e..4c259f24e8 100644
--- a/drivers/net/cpfl/cpfl_ethdev.c
+++ b/drivers/net/cpfl/cpfl_ethdev.c
@@ -184,12 +184,55 @@ cpfl_dev_configure(struct rte_eth_dev *dev)
        return 0;
 }
 
+static int
+cpfl_dev_start(struct rte_eth_dev *dev)
+{
+       struct idpf_vport *vport = dev->data->dev_private;
+       int ret;
+
+       vport->stopped = 0;
+
+       if (dev->data->mtu > vport->max_mtu) {
+               PMD_DRV_LOG(ERR, "MTU should be less than %d", vport->max_mtu);
+               ret = -EINVAL;
+               goto err_mtu;
+       }
+
+       vport->max_pkt_len = dev->data->mtu + CPFL_ETH_OVERHEAD;
+
+       ret = idpf_vc_ena_dis_vport(vport, true);
+       if (ret != 0) {
+               PMD_DRV_LOG(ERR, "Failed to enable vport");
+               return ret;
+       }
+
+       return 0;
+err_mtu:
+       return ret;
+}
+
+static int
+cpfl_dev_stop(struct rte_eth_dev *dev)
+{
+       struct idpf_vport *vport = dev->data->dev_private;
+
+       if (vport->stopped == 1)
+               return 0;
+
+       idpf_vc_ena_dis_vport(vport, false);
+
+       vport->stopped = 1;
+
+       return 0;
+}
+
 static int
 cpfl_dev_close(struct rte_eth_dev *dev)
 {
        struct idpf_vport *vport = dev->data->dev_private;
        struct cpfl_adapter_ext *adapter = CPFL_ADAPTER_TO_EXT(vport->adapter);
 
+       cpfl_dev_stop(dev);
        idpf_vport_deinit(vport);
 
        adapter->cur_vports &= ~RTE_BIT32(vport->devarg_id);
@@ -538,6 +581,8 @@ static const struct eth_dev_ops cpfl_eth_dev_ops = {
        .rx_queue_setup                 = cpfl_rx_queue_setup,
        .tx_queue_setup                 = cpfl_tx_queue_setup,
        .dev_infos_get                  = cpfl_dev_info_get,
+       .dev_start                      = cpfl_dev_start,
+       .dev_stop                       = cpfl_dev_stop,
        .link_update                    = cpfl_dev_link_update,
        .dev_supported_ptypes_get       = cpfl_dev_supported_ptypes_get,
 };
-- 
2.25.1