net/liquidio: add API to stop device

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 4d0977a..76d775d 100644 (file)
--- a/drivers/net/liquidio/lio_ethdev.c
+++ b/drivers/net/liquidio/lio_ethdev.c
@@ -1359,6 +1359,25 @@ dev_lsc_handle_error:
        return ret;
 }
 
+/* Stop device and disable input/output functions */
+static void
+lio_dev_stop(struct rte_eth_dev *eth_dev)
+{
+       struct lio_device *lio_dev = LIO_DEV(eth_dev);
+
+       lio_dev_info(lio_dev, "Stopping port %d\n", eth_dev->data->port_id);
+       lio_dev->intf_open = 0;
+       rte_mb();
+
+       /* Cancel callback if still running. */
+       rte_eal_alarm_cancel(lio_sync_link_state_check, eth_dev);
+
+       lio_send_rx_ctrl_cmd(eth_dev, 0);
+
+       /* Clear recorded link status */
+       lio_dev->linfo.link.link_status64 = 0;
+}
+
 static int
 lio_dev_set_link_up(struct rte_eth_dev *eth_dev)
 {
@@ -1656,6 +1675,7 @@ nic_config_fail:
 static const struct eth_dev_ops liovf_eth_dev_ops = {
        .dev_configure          = lio_dev_configure,
        .dev_start              = lio_dev_start,
+       .dev_stop               = lio_dev_stop,
        .dev_set_link_up        = lio_dev_set_link_up,
        .dev_set_link_down      = lio_dev_set_link_down,
        .allmulticast_enable    = lio_dev_allmulticast_enable,