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net/ice: fix link status recovery

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This patch fixes a kernel driver link status issue by recovering
link status when device stops.

Fixes: e6161345d8 ("net/ice: support link status change")
Cc: stable@dpdk.org

Signed-off-by: Qiming Yang <qiming.yang@intel.com>
Acked-by: Xiaolong Ye <xiaolong.ye@intel.com>
This commit is contained in:
Qiming Yang 2019-11-11 11:24:24 +08:00 committed by Ferruh Yigit
parent db6730a809
commit fdcf92ed66
2 changed files with 28 additions and 1 deletions
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28
drivers/net/ice/ice_ethdev.c
View File

@ -2358,7 +2358,10 @@ ice_dev_stop(struct rte_eth_dev *dev)
/* Clear all queues and release mbufs */
ice_clear_queues(dev);
ice_dev_set_link_down(dev);
if (pf->init_link_up)
ice_dev_set_link_up(dev);
else
ice_dev_set_link_down(dev);
/* Clean datapath event and queue/vec mapping */
rte_intr_efd_disable(intr_handle);
@ -2732,6 +2735,27 @@ ice_rxq_intr_setup(struct rte_eth_dev *dev)
return 0;
}
static void
ice_get_init_link_status(struct rte_eth_dev *dev)
{
struct ice_hw *hw = ICE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
struct ice_pf *pf = ICE_DEV_PRIVATE_TO_PF(dev->data->dev_private);
bool enable_lse = dev->data->dev_conf.intr_conf.lsc ? true : false;
struct ice_link_status link_status;
int ret;
ret = ice_aq_get_link_info(hw->port_info, enable_lse,
&link_status, NULL);
if (ret != ICE_SUCCESS) {
PMD_DRV_LOG(ERR, "Failed to get link info");
pf->init_link_up = false;
return;
}
if (link_status.link_info & ICE_AQ_LINK_UP)
pf->init_link_up = true;
}
static int
ice_dev_start(struct rte_eth_dev *dev)
{
@ -2802,6 +2826,8 @@ ice_dev_start(struct rte_eth_dev *dev)
if (ret != ICE_SUCCESS)
PMD_DRV_LOG(WARNING, "Fail to set phy mask");
ice_get_init_link_status(dev);
ice_dev_set_link_up(dev);
/* Call get_link_info aq commond to enable/disable LSE */

1
drivers/net/ice/ice_ethdev.h
View File

@ -378,6 +378,7 @@ struct ice_pf {
struct ice_parser_list rss_parser_list;
struct ice_parser_list perm_parser_list;
struct ice_parser_list dist_parser_list;
bool init_link_up;
};
#define ICE_MAX_QUEUE_NUM 2048