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net/ice: support link status change

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Support link up and down functions for ice, and when stop the ice,
makes the link down also.

Signed-off-by: Haiyue Wang <haiyue.wang@intel.com>
Acked-by: Qi Zhang <qi.z.zhang@intel.com>
This commit is contained in:
Haiyue Wang 2019-05-03 13:59:10 +08:00 committed by Ferruh Yigit
parent 7e9562a107
commit e6161345d8
1 changed files with 85 additions and 0 deletions
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85
drivers/net/ice/ice_ethdev.c
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@ -32,6 +32,9 @@ static void ice_dev_info_get(struct rte_eth_dev *dev,
struct rte_eth_dev_info *dev_info);
static int ice_link_update(struct rte_eth_dev *dev,
int wait_to_complete);
static int ice_dev_set_link_up(struct rte_eth_dev *dev);
static int ice_dev_set_link_down(struct rte_eth_dev *dev);
static int ice_mtu_set(struct rte_eth_dev *dev, uint16_t mtu);
static int ice_vlan_offload_set(struct rte_eth_dev *dev, int mask);
static int ice_vlan_tpid_set(struct rte_eth_dev *dev,
@ -94,6 +97,8 @@ static const struct eth_dev_ops ice_eth_dev_ops = {
.dev_stop = ice_dev_stop,
.dev_close = ice_dev_close,
.dev_reset = ice_dev_reset,
.dev_set_link_up = ice_dev_set_link_up,
.dev_set_link_down = ice_dev_set_link_down,
.rx_queue_start = ice_rx_queue_start,
.rx_queue_stop = ice_rx_queue_stop,
.tx_queue_start = ice_tx_queue_start,
@ -1545,6 +1550,8 @@ ice_dev_stop(struct rte_eth_dev *dev)
/* Clear all queues and release mbufs */
ice_clear_queues(dev);
ice_dev_set_link_down(dev);
/* Clean datapath event and queue/vec mapping */
rte_intr_efd_disable(intr_handle);
if (intr_handle->intr_vec) {
@ -1561,6 +1568,13 @@ ice_dev_close(struct rte_eth_dev *dev)
struct ice_pf *pf = ICE_DEV_PRIVATE_TO_PF(dev->data->dev_private);
struct ice_hw *hw = ICE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
/* Since stop will make link down, then the link event will be
* triggered, disable the irq firstly to avoid the port_infoe etc
* resources deallocation causing the interrupt service thread
* crash.
*/
ice_pf_disable_irq0(hw);
ice_dev_stop(dev);
/* release all queue resource */
@ -1570,6 +1584,7 @@ ice_dev_close(struct rte_eth_dev *dev)
ice_release_vsi(pf->main_vsi);
ice_sched_cleanup_all(hw);
rte_free(hw->port_info);
hw->port_info = NULL;
ice_shutdown_all_ctrlq(hw);
}
@ -1940,6 +1955,8 @@ ice_dev_start(struct rte_eth_dev *dev)
if (ret != ICE_SUCCESS)
PMD_DRV_LOG(WARNING, "Fail to set phy mask");
ice_dev_set_link_up(dev);
/* Call get_link_info aq commond to enable/disable LSE */
ice_link_update(dev, 0);
@ -2222,6 +2239,74 @@ ice_link_update(struct rte_eth_dev *dev, int wait_to_complete)
return 0;
}
/* Force the physical link state by getting the current PHY capabilities from
* hardware and setting the PHY config based on the determined capabilities. If
* link changes, link event will be triggered because both the Enable Automatic
* Link Update and LESM Enable bits are set when setting the PHY capabilities.
*/
static enum ice_status
ice_force_phys_link_state(struct ice_hw *hw, bool link_up)
{
struct ice_aqc_set_phy_cfg_data cfg = { 0 };
struct ice_aqc_get_phy_caps_data *pcaps;
struct ice_port_info *pi;
enum ice_status status;
if (!hw || !hw->port_info)
return ICE_ERR_PARAM;
pi = hw->port_info;
pcaps = (struct ice_aqc_get_phy_caps_data *)
ice_malloc(hw, sizeof(*pcaps));
if (!pcaps)
return ICE_ERR_NO_MEMORY;
status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_SW_CFG, pcaps,
NULL);
if (status)
goto out;
/* No change in link */
if (link_up == !!(pcaps->caps & ICE_AQC_PHY_EN_LINK) &&
link_up == !!(pi->phy.link_info.link_info & ICE_AQ_LINK_UP))
goto out;
cfg.phy_type_low = pcaps->phy_type_low;
cfg.phy_type_high = pcaps->phy_type_high;
cfg.caps = pcaps->caps | ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
cfg.low_power_ctrl = pcaps->low_power_ctrl;
cfg.eee_cap = pcaps->eee_cap;
cfg.eeer_value = pcaps->eeer_value;
cfg.link_fec_opt = pcaps->link_fec_options;
if (link_up)
cfg.caps |= ICE_AQ_PHY_ENA_LINK;
else
cfg.caps &= ~ICE_AQ_PHY_ENA_LINK;
status = ice_aq_set_phy_cfg(hw, pi->lport, &cfg, NULL);
out:
ice_free(hw, pcaps);
return status;
}
static int
ice_dev_set_link_up(struct rte_eth_dev *dev)
{
struct ice_hw *hw = ICE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
return ice_force_phys_link_state(hw, true);
}
static int
ice_dev_set_link_down(struct rte_eth_dev *dev)
{
struct ice_hw *hw = ICE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
return ice_force_phys_link_state(hw, false);
}
static int
ice_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
{