From: Neerav Parikh <neerav.parikh@intel.com>
Date: Fri, 17 Apr 2015 00:05:58 +0000 (-0400)
Subject: i40e: Collect PFC XOFF RX stats even in single TC case
X-Git-Tag: v4.1.12-92~290^2~29
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=8d14b010e1b47ebe5b680c85513cb2be93341192;p=users%2Fjedix%2Flinux-maple.git

i40e: Collect PFC XOFF RX stats even in single TC case

Orabug: 21570582

When PFC is enabled for any UP in single TC configuration the driver didn't
collect the PFC XOFF RX stats. Though a single TC with PFC enabled is not a
common scenario do not prevent the driver from collecting stats if firmware
indicates that PFC is enabled.

Change-ID: Ie20bd58b07608b528f3c6d95894c9ae56b00077a
Signed-off-by: Neerav Parikh <neerav.parikh@intel.com>
Tested-by: Jim Young <james.m.young@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
(cherry picked from commit e120814d74bc805769d18ed7177f43a17a88fd40)
Signed-off-by: Brian Maly <brian.maly@oracle.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
---

diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index d9b8a97666c09..176e951dfd3c0 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -772,9 +772,8 @@ static void i40e_update_prio_xoff_rx(struct i40e_pf *pf)
 
 	dcb_cfg = &hw->local_dcbx_config;
 
-	/* See if DCB enabled with PFC TC */
-	if (!(pf->flags & I40E_FLAG_DCB_ENABLED) ||
-	    !(dcb_cfg->pfc.pfcenable)) {
+	/* Collect Link XOFF stats when PFC is disabled */
+	if (!dcb_cfg->pfc.pfcenable) {
 		i40e_update_link_xoff_rx(pf);
 		return;
 	}