i40e: stop flow director on shutdown
In some cases, the hardware would continue to try to access the FDIR ring after entering D3Hot state, which would cause either PCIe errors or NMIs, depending upon system configuration. Explicitly stop FDIR in our shutdown routine to eliminate this possibility. Change-ID: Ib98060d6352ec595ab9a78bfe252675a9fa5d8bc Signed-off-by: Mitch Williams <mitch.a.williams@intel.com> Tested-by: Jim Young <james.m.young@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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@ -10210,6 +10210,8 @@ static int i40e_suspend(struct pci_dev *pdev, pm_message_t state)
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set_bit(__I40E_DOWN, &pf->state);
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del_timer_sync(&pf->service_timer);
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cancel_work_sync(&pf->service_task);
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i40e_fdir_teardown(pf);
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rtnl_lock();
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i40e_prep_for_reset(pf);
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rtnl_unlock();
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