d/numam-dpdk
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

net/ice: retry getting VF VSI map after failure

Browse Source 
The request of getting VF VSI map request may fail when DCF is busy,
this patch adds retry mechanism to make it able to succeed.

Fixes: b09d34ac8584 ("net/ice: fix flow redirector")
Cc: stable@dpdk.org

Signed-off-by: Dapeng Yu <dapengx.yu@intel.com>
Acked-by: Haiyue Wang <haiyue.wang@intel.com>
This commit is contained in:
Dapeng Yu 2021-09-24 16:08:20 +08:00 committed by Qi Zhang
parent 395d41fbb1
commit b71573ec2f
1 changed files with 14 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
drivers/net/ice/ice_dcf.c
View File

@ -534,15 +534,26 @@ int
ice_dcf_handle_vsi_update_event(struct ice_dcf_hw *hw)
{
struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(hw->eth_dev);
int err = 0;
int i = 0;
int err = -1;
rte_spinlock_lock(&hw->vc_cmd_send_lock);
rte_intr_disable(&pci_dev->intr_handle);
ice_dcf_disable_irq0(hw);
if (ice_dcf_get_vf_resource(hw) || ice_dcf_get_vf_vsi_map(hw) < 0)
err = -1;
for (;;) {
if (ice_dcf_get_vf_resource(hw) == 0 &&
ice_dcf_get_vf_vsi_map(hw) >= 0) {
err = 0;
break;
}
if (++i >= ICE_DCF_ARQ_MAX_RETRIES)
break;
rte_delay_ms(ICE_DCF_ARQ_CHECK_TIME);
}
rte_intr_enable(&pci_dev->intr_handle);
ice_dcf_enable_irq0(hw);