From: Rajesh Borundia <Rajesh.Borundia@qlogic.com>
Date: Fri, 1 Apr 2011 14:28:31 +0000 (+0000)
Subject: qlcnic: Fix LRO disable
X-Git-Tag: MMI-PSA29.97-13-9~18929^2~665
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=b56421d0b7527f8ecea3de030cf508468fdc9ba1;p=GitHub%2FMotorolaMobilityLLC%2Fkernel-slsi.git

qlcnic: Fix LRO disable

o In dev->open LRO was enabled by default, enable it depending
  upon netdev->features , kernel may have disabled it.
o Configure LRO when interface is up.

Signed-off-by: Rajesh Borundia <Rajesh.Borundia@qlogic.com>
Signed-off-by: Anirban Chakraborty <Anirban.Chakraborty@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/qlcnic/qlcnic_ethtool.c b/drivers/net/qlcnic/qlcnic_ethtool.c
index 24a79a6fc73d..6be4d5a26c7c 100644
--- a/drivers/net/qlcnic/qlcnic_ethtool.c
+++ b/drivers/net/qlcnic/qlcnic_ethtool.c
@@ -998,22 +998,28 @@ static int qlcnic_set_flags(struct net_device *netdev, u32 data)
 	if (ethtool_invalid_flags(netdev, data, ETH_FLAG_LRO))
 		return -EINVAL;
 
-	if (!(adapter->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO))
-		return -EINVAL;
+	if (data & ETH_FLAG_LRO) {
 
-	if (!adapter->rx_csum) {
-		dev_info(&adapter->pdev->dev, "rx csum is off, "
-			"cannot toggle lro\n");
-		return -EINVAL;
-	}
+		if (netdev->features & NETIF_F_LRO)
+			return 0;
 
-	if ((data & ETH_FLAG_LRO) && (netdev->features & NETIF_F_LRO))
-		return 0;
+		if (!(adapter->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO))
+			return -EINVAL;
+
+		if (!adapter->rx_csum) {
+			dev_info(&adapter->pdev->dev, "rx csum is off, "
+				"cannot toggle lro\n");
+			return -EINVAL;
+		}
 
-	if (data & ETH_FLAG_LRO) {
 		hw_lro = QLCNIC_LRO_ENABLED;
 		netdev->features |= NETIF_F_LRO;
+
 	} else {
+
+		if (!(netdev->features & NETIF_F_LRO))
+			return 0;
+
 		hw_lro = 0;
 		netdev->features &= ~NETIF_F_LRO;
 	}
diff --git a/drivers/net/qlcnic/qlcnic_hw.c b/drivers/net/qlcnic/qlcnic_hw.c
index 3901be85dcac..498cca92126a 100644
--- a/drivers/net/qlcnic/qlcnic_hw.c
+++ b/drivers/net/qlcnic/qlcnic_hw.c
@@ -566,6 +566,9 @@ int qlcnic_config_hw_lro(struct qlcnic_adapter *adapter, int enable)
 	u64 word;
 	int rv;
 
+	if (!test_bit(__QLCNIC_FW_ATTACHED, &adapter->state))
+		return 0;
+
 	memset(&req, 0, sizeof(struct qlcnic_nic_req));
 
 	req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23);
@@ -711,6 +714,9 @@ int qlcnic_send_lro_cleanup(struct qlcnic_adapter *adapter)
 	u64 word;
 	int rv;
 
+	if (!test_bit(__QLCNIC_FW_ATTACHED, &adapter->state))
+		return 0;
+
 	memset(&req, 0, sizeof(struct qlcnic_nic_req));
 	req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23);
 
diff --git a/drivers/net/qlcnic/qlcnic_main.c b/drivers/net/qlcnic/qlcnic_main.c
index 8bf9a968f7f2..7f9edb2f1474 100644
--- a/drivers/net/qlcnic/qlcnic_main.c
+++ b/drivers/net/qlcnic/qlcnic_main.c
@@ -773,7 +773,8 @@ qlcnic_set_netdev_features(struct qlcnic_adapter *adapter,
 		features |= (NETIF_F_TSO | NETIF_F_TSO6);
 		vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
 	}
-	if (adapter->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
+
+	if (netdev->features & NETIF_F_LRO)
 		features |= NETIF_F_LRO;
 
 	if (esw_cfg->offload_flags & BIT_0) {