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net/i40e: support link status event in VF

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When PF event VIRTCHNL_EVENT_LINK_CHANGE received, i40evf need update
the link status and issue RTE_ETH_EVENT_INTR_LSC via rte ether device
callback function.

Signed-off-by: Steve Yang <stevex.yang@intel.com>
Acked-by: Qi Zhang <qi.z.zhang@intel.com>
This commit is contained in:
Steve Yang 2020-09-03 07:19:12 +00:00 committed by Ferruh Yigit
parent 99ad2abc02
commit 242d6564ae
2 changed files with 10 additions and 3 deletions
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1
doc/guides/nics/features/i40e_vf.ini
View File

@ -6,6 +6,7 @@
[Features]
Rx interrupt = Y
Link status = Y
Link status event = Y
Fast mbuf free = P
Queue start/stop = Y
Jumbo frame = Y

12
drivers/net/i40e/i40e_ethdev_vf.c
View File

@ -1381,13 +1381,16 @@ i40evf_handle_pf_event(struct rte_eth_dev *dev, uint8_t *msg,
switch (pf_msg->event) {
case VIRTCHNL_EVENT_RESET_IMPENDING:
PMD_DRV_LOG(DEBUG, "VIRTCHNL_EVENT_RESET_IMPENDING event");
_rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_RESET,
NULL);
_rte_eth_dev_callback_process(dev,
RTE_ETH_EVENT_INTR_RESET, NULL);
break;
case VIRTCHNL_EVENT_LINK_CHANGE:
PMD_DRV_LOG(DEBUG, "VIRTCHNL_EVENT_LINK_CHANGE event");
vf->link_up = pf_msg->event_data.link_event.link_status;
vf->link_speed = pf_msg->event_data.link_event.link_speed;
i40evf_dev_link_update(dev, 0);
_rte_eth_dev_callback_process(dev,
RTE_ETH_EVENT_INTR_LSC, NULL);
break;
case VIRTCHNL_EVENT_PF_DRIVER_CLOSE:
PMD_DRV_LOG(DEBUG, "VIRTCHNL_EVENT_PF_DRIVER_CLOSE event");
@ -1609,7 +1612,7 @@ static int eth_i40evf_pci_remove(struct rte_pci_device *pci_dev)
*/
static struct rte_pci_driver rte_i40evf_pmd = {
.id_table = pci_id_i40evf_map,
.drv_flags = RTE_PCI_DRV_NEED_MAPPING,
.drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC,
.probe = eth_i40evf_pci_probe,
.remove = eth_i40evf_pci_remove,
};
@ -1635,6 +1638,9 @@ i40evf_dev_configure(struct rte_eth_dev *dev)
ad->tx_simple_allowed = true;
ad->tx_vec_allowed = true;
dev->data->dev_conf.intr_conf.lsc =
!!(dev->data->dev_flags & RTE_ETH_DEV_INTR_LSC);
if (num_queue_pairs > vf->vsi_res->num_queue_pairs) {
struct i40e_hw *hw;
int ret;