From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff Kirsher Subject: [net-next v2 03/14] i40e: assign correct vector to VF Date: Tue, 22 Oct 2013 07:22:26 -0700 Message-ID: <1382451757-9817-4-git-send-email-jeffrey.t.kirsher@intel.com> References: <1382451757-9817-1-git-send-email-jeffrey.t.kirsher@intel.com> Cc: Mitch Williams , netdev@vger.kernel.org, gospo@redhat.com, sassmann@redhat.com, sergei.shtylyov@cogentembedded.com, Jesse Brandeburg , Jeff Kirsher To: davem@davemloft.net Return-path: Received: from mga09.intel.com ([134.134.136.24]:48026 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753393Ab3JVOWv (ORCPT ); Tue, 22 Oct 2013 10:22:51 -0400 In-Reply-To: <1382451757-9817-1-git-send-email-jeffrey.t.kirsher@intel.com> Sender: netdev-owner@vger.kernel.org List-ID: From: Mitch Williams Correct math error when assigning MSI-X vectors to VFs. The vectors-per-vf value reported by the hardware already conveniently reports one less than the actual value. Signed-off-by: Mitch Williams Signed-off-by: Jesse Brandeburg Tested-by: Sibai Li Signed-off-by: Jeff Kirsher --- v2: - Removed unnecessary parenthesis --- drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c index 8967e58..35f4909 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c +++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c @@ -251,7 +251,7 @@ static void i40e_config_irq_link_list(struct i40e_vf *vf, u16 vsi_idx, reg_idx = I40E_VPINT_LNKLST0(vf->vf_id); else reg_idx = I40E_VPINT_LNKLSTN( - ((pf->hw.func_caps.num_msix_vectors_vf - 1) + (pf->hw.func_caps.num_msix_vectors_vf * vf->vf_id) + (vector_id - 1)); if (vecmap->rxq_map == 0 && vecmap->txq_map == 0) { -- 1.8.3.1