i40e: don't handle VF reset on unload

Set the DOWN flag before attempting to disable VFs when unloading the
driver. Also, don't attempt to reset the VFs when the driver is
unloading, because the switch configuration will fail. This fixes a
panic on unload when VFs are enabled.

Change-ID: I25a6567e89c9687145f510ff4f630932412c5c5d
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Sibai Li <sibai.li@intel.com>
Signed-off-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Mitch Williams 2014-02-13 03:48:48 -08:00 committed by David S. Miller
parent 4aeec0106d
commit eb2d80bcf6
2 changed files with 7 additions and 6 deletions

View File

@ -8181,16 +8181,16 @@ static void i40e_remove(struct pci_dev *pdev)
i40e_ptp_stop(pf);
if (pf->flags & I40E_FLAG_SRIOV_ENABLED) {
i40e_free_vfs(pf);
pf->flags &= ~I40E_FLAG_SRIOV_ENABLED;
}
/* no more scheduling of any task */
set_bit(__I40E_DOWN, &pf->state);
del_timer_sync(&pf->service_timer);
cancel_work_sync(&pf->service_task);
if (pf->flags & I40E_FLAG_SRIOV_ENABLED) {
i40e_free_vfs(pf);
pf->flags &= ~I40E_FLAG_SRIOV_ENABLED;
}
i40e_fdir_teardown(pf);
/* If there is a switch structure or any orphans, remove them.

View File

@ -1868,7 +1868,8 @@ int i40e_vc_process_vflr_event(struct i40e_pf *pf)
/* clear the bit in GLGEN_VFLRSTAT */
wr32(hw, I40E_GLGEN_VFLRSTAT(reg_idx), (1 << bit_idx));
i40e_reset_vf(vf, true);
if (!test_bit(__I40E_DOWN, &pf->state))
i40e_reset_vf(vf, true);
}
}