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

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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 <[email protected]>
Acked-by: Don Skidmore <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
John Fastabend 2010-06-03 17:03:45 +00:00 • committed by David S. Miller
commit ca73948166
1 changed files with 1 additions and 1 deletions
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2
drivers/net/ixgbe/ixgbe_main.c
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@ -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;