net/liquidio: add APIs to set link up and down

Signed-off-by: Shijith Thotton <shijith.thotton@caviumnetworks.com>
Signed-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
Signed-off-by: Derek Chickles <derek.chickles@caviumnetworks.com>
Signed-off-by: Venkat Koppula <venkat.koppula@caviumnetworks.com>
Signed-off-by: Srisivasubramanian S <ssrinivasan@caviumnetworks.com>
Signed-off-by: Mallesham Jatharakonda <mjatharakonda@oneconvergence.com>

diff --git a/drivers/net/liquidio/lio_ethdev.c b/drivers/net/liquidio/lio_ethdev.c
index ab97977..ef4d794 100644 (file)
--- a/drivers/net/liquidio/lio_ethdev.c
+++ b/drivers/net/liquidio/lio_ethdev.c
@@ -973,6 +973,60 @@ dev_lsc_handle_error:
        return ret;
 }
 
+static int
+lio_dev_set_link_up(struct rte_eth_dev *eth_dev)
+{
+       struct lio_device *lio_dev = LIO_DEV(eth_dev);
+
+       if (!lio_dev->intf_open) {
+               lio_dev_info(lio_dev, "Port is stopped, Start the port first\n");
+               return 0;
+       }
+
+       if (lio_dev->linfo.link.s.link_up) {
+               lio_dev_info(lio_dev, "Link is already UP\n");
+               return 0;
+       }
+
+       if (lio_send_rx_ctrl_cmd(eth_dev, 1)) {
+               lio_dev_err(lio_dev, "Unable to set Link UP\n");
+               return -1;
+       }
+
+       lio_dev->linfo.link.s.link_up = 1;
+       eth_dev->data->dev_link.link_status = ETH_LINK_UP;
+
+       return 0;
+}
+
+static int
+lio_dev_set_link_down(struct rte_eth_dev *eth_dev)
+{
+       struct lio_device *lio_dev = LIO_DEV(eth_dev);
+
+       if (!lio_dev->intf_open) {
+               lio_dev_info(lio_dev, "Port is stopped, Start the port first\n");
+               return 0;
+       }
+
+       if (!lio_dev->linfo.link.s.link_up) {
+               lio_dev_info(lio_dev, "Link is already DOWN\n");
+               return 0;
+       }
+
+       lio_dev->linfo.link.s.link_up = 0;
+       eth_dev->data->dev_link.link_status = ETH_LINK_DOWN;
+
+       if (lio_send_rx_ctrl_cmd(eth_dev, 0)) {
+               lio_dev->linfo.link.s.link_up = 1;
+               eth_dev->data->dev_link.link_status = ETH_LINK_UP;
+               lio_dev_err(lio_dev, "Unable to set Link Down\n");
+               return -1;
+       }
+
+       return 0;
+}
+
 static int lio_dev_configure(struct rte_eth_dev *eth_dev)
 {
        struct lio_device *lio_dev = LIO_DEV(eth_dev);
@@ -1144,6 +1198,8 @@ nic_config_fail:
 static const struct eth_dev_ops liovf_eth_dev_ops = {
        .dev_configure          = lio_dev_configure,
        .dev_start              = lio_dev_start,
+       .dev_set_link_up        = lio_dev_set_link_up,
+       .dev_set_link_down      = lio_dev_set_link_down,
        .allmulticast_enable    = lio_dev_allmulticast_enable,
        .allmulticast_disable   = lio_dev_allmulticast_disable,
        .link_update            = lio_dev_link_update,