[PATCH v12 05/18] net/idpf: add support for device start and stop

[Junfeng Guo]

Add dev ops dev_start, dev_stop and link_update.

Signed-off-by: Beilei Xing <beilei.x...@intel.com>
Signed-off-by: Xiaoyun Li <xiaoyun...@intel.com>
Signed-off-by: Junfeng Guo <junfeng....@intel.com>
---
 drivers/net/idpf/idpf_ethdev.c | 51 ++++++++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)

diff --git a/drivers/net/idpf/idpf_ethdev.c b/drivers/net/idpf/idpf_ethdev.c
index 0585153f69..e1db7ccb4f 100644
--- a/drivers/net/idpf/idpf_ethdev.c
+++ b/drivers/net/idpf/idpf_ethdev.c
@@ -30,17 +30,38 @@ static const char * const idpf_valid_args[] = {
 };
 
 static int idpf_dev_configure(struct rte_eth_dev *dev);
+static int idpf_dev_start(struct rte_eth_dev *dev);
+static int idpf_dev_stop(struct rte_eth_dev *dev);
 static int idpf_dev_close(struct rte_eth_dev *dev);
 static int idpf_dev_info_get(struct rte_eth_dev *dev,
                             struct rte_eth_dev_info *dev_info);
 static void idpf_adapter_rel(struct idpf_adapter *adapter);
 
+static int
+idpf_dev_link_update(struct rte_eth_dev *dev,
+                    __rte_unused int wait_to_complete)
+{
+       struct rte_eth_link new_link;
+
+       memset(&new_link, 0, sizeof(new_link));
+
+       new_link.link_speed = RTE_ETH_SPEED_NUM_NONE;
+       new_link.link_duplex = RTE_ETH_LINK_FULL_DUPLEX;
+       new_link.link_autoneg = !(dev->data->dev_conf.link_speeds &
+                                 RTE_ETH_LINK_SPEED_FIXED);
+
+       return rte_eth_linkstatus_set(dev, &new_link);
+}
+
 static const struct eth_dev_ops idpf_eth_dev_ops = {
        .dev_configure                  = idpf_dev_configure,
+       .dev_start                      = idpf_dev_start,
+       .dev_stop                       = idpf_dev_stop,
        .dev_close                      = idpf_dev_close,
        .rx_queue_setup                 = idpf_rx_queue_setup,
        .tx_queue_setup                 = idpf_tx_queue_setup,
        .dev_infos_get                  = idpf_dev_info_get,
+       .link_update                    = idpf_dev_link_update,
 };
 
 static int
@@ -284,6 +305,36 @@ idpf_dev_configure(struct rte_eth_dev *dev)
        return 0;
 }
 
+static int
+idpf_dev_start(struct rte_eth_dev *dev)
+{
+       struct idpf_vport *vport = dev->data->dev_private;
+
+       if (dev->data->mtu > vport->max_mtu) {
+               PMD_DRV_LOG(ERR, "MTU should be less than %d", vport->max_mtu);
+               return -1;
+       }
+
+       vport->max_pkt_len = dev->data->mtu + IDPF_ETH_OVERHEAD;
+
+       if (idpf_vc_ena_dis_vport(vport, true) != 0) {
+               PMD_DRV_LOG(ERR, "Failed to enable vport");
+               return -1;
+       }
+
+       return 0;
+}
+
+static int
+idpf_dev_stop(struct rte_eth_dev *dev)
+{
+       struct idpf_vport *vport = dev->data->dev_private;
+
+       idpf_vc_ena_dis_vport(vport, false);
+
+       return 0;
+}
+
 static int
 idpf_dev_close(struct rte_eth_dev *dev)
 {
-- 
2.34.1