From 3932dbfe1ecdcf05578cc6aca7ca1b6c6dbd311e Mon Sep 17 00:00:00 2001 From: Mitch Williams Date: Tue, 31 Mar 2015 00:45:04 -0700 Subject: [PATCH] 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 Tested-by: Jim Young Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/i40e/i40e_main.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index 15cee4d..5e79054 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -10210,6 +10210,8 @@ static int i40e_suspend(struct pci_dev *pdev, pm_message_t state) set_bit(__I40E_DOWN, &pf->state); del_timer_sync(&pf->service_timer); cancel_work_sync(&pf->service_task); + i40e_fdir_teardown(pf); + rtnl_lock(); i40e_prep_for_reset(pf); rtnl_unlock(); -- 2.7.4