netdev - [net-next PATCH 4/7] ixgbe: always enable vlan strip/insert when DCB is enabled

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Message-ID: <20100519020008.18654.36543.stgit@localhost.localdomain>
Date:	Tue, 18 May 2010 19:00:08 -0700
From:	Jeff Kirsher <jeffrey.t.kirsher@...el.com>
To:	davem@...emloft.net
Cc:	netdev@...r.kernel.org, gospo@...hat.com,
	Yi Zou <yi.zou@...el.com>,
	Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Subject: [net-next PATCH 4/7] ixgbe: always enable vlan strip/insert when DCB
	is enabled

From: Yi Zou <yi.zou@...el.com>

when DCB mode is on, we want the HW VLAN stripping to be always enabled.

Signed-off-by: Yi Zou <yi.zou@...el.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
---

 drivers/net/ixgbe/ixgbe_main.c |   10 +++++++++-
 1 files changed, 9 insertions(+), 1 deletions(-)

diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index a9e091c..f0f7329 100644
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c
@@ -2845,7 +2845,11 @@ static void ixgbe_vlan_filter_disable(struct ixgbe_adapter *adapter)
 
 	switch (hw->mac.type) {
 	case ixgbe_mac_82598EB:
-		vlnctrl &= ~(IXGBE_VLNCTRL_VME | IXGBE_VLNCTRL_VFE);
+		vlnctrl &= ~IXGBE_VLNCTRL_VFE;
+#ifdef CONFIG_IXGBE_DCB
+		if (!(adapter->flags & IXGBE_FLAG_DCB_ENABLED))
+			vlnctrl &= ~IXGBE_VLNCTRL_VME;
+#endif
 		vlnctrl &= ~IXGBE_VLNCTRL_CFIEN;
 		IXGBE_WRITE_REG(hw, IXGBE_VLNCTRL, vlnctrl);
 		break;
@@ -2853,6 +2857,10 @@ static void ixgbe_vlan_filter_disable(struct ixgbe_adapter *adapter)
 		vlnctrl &= ~IXGBE_VLNCTRL_VFE;
 		vlnctrl &= ~IXGBE_VLNCTRL_CFIEN;
 		IXGBE_WRITE_REG(hw, IXGBE_VLNCTRL, vlnctrl);
+#ifdef CONFIG_IXGBE_DCB
+		if (adapter->flags & IXGBE_FLAG_DCB_ENABLED)
+			break;
+#endif
 		for (i = 0; i < adapter->num_rx_queues; i++) {
 			j = adapter->rx_ring[i]->reg_idx;
 			vlnctrl = IXGBE_READ_REG(hw, IXGBE_RXDCTL(j));

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