From: John Fastabend <john.r.fastabend@intel.com>
Date: Thu, 3 Jun 2010 17:03:45 +0000 (+0000)
Subject: ixgbe: only check pfc bits in hang logic if pfc is enabled
X-Git-Tag: firefly_0821_release~9833^2~1353^2~136
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=ca739481662137b8f717bc21f16719cda3c33d6b;p=firefly-linux-kernel-4.4.55.git

ixgbe: only check pfc bits in hang logic if pfc is enabled

Only check pfc bits in hang logic if PFC is enabled.  Previously,
if DCB was enabled but PFC was disabled the incorrect pause
bits would be checked.

Signed-off-by: John Fastabend <john.r.fastabend@intel.com>
Acked-by: Don Skidmore <donald.c.skidmore@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index d571d101de08..b2af2f67f604 100644
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c
@@ -642,7 +642,7 @@ static inline bool ixgbe_tx_xon_state(struct ixgbe_adapter *adapter,
 	u32 txoff = IXGBE_TFCS_TXOFF;
 
 #ifdef CONFIG_IXGBE_DCB
-	if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
+	if (adapter->dcb_cfg.pfc_mode_enable) {
 		int tc;
 		int reg_idx = tx_ring->reg_idx;
 		int dcb_i = adapter->ring_feature[RING_F_DCB].indices;