From ac8d0c4feb5577a830bbf1d9a3bb5b1d30298e2c Mon Sep 17 00:00:00 2001
From: Anirban Chakraborty <anirban.chakraborty@qlogic.com>
Date: Fri, 9 Jul 2010 13:14:58 +0000
Subject: [PATCH] qlcnic: Check FW capability for TSO
Driver checks TSO capability from FW before enabling it.
Signed-off-by: Anirban Chakraborty <anirban.chakraborty@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/qlcnic/qlcnic.h | 7 ++++---
drivers/net/qlcnic/qlcnic_ethtool.c | 3 +++
drivers/net/qlcnic/qlcnic_main.c | 10 +++++++---
3 files changed, 14 insertions(+), 6 deletions(-)
diff --git a/drivers/net/qlcnic/qlcnic.h b/drivers/net/qlcnic/qlcnic.h
index 60ea7cb3308f..02a50e60166d 100644
--- a/drivers/net/qlcnic/qlcnic.h
+++ b/drivers/net/qlcnic/qlcnic.h
@@ -821,9 +821,10 @@ struct qlcnic_nic_intr_coalesce {
#define QLCNIC_LRO_REQUEST_CLEANUP 4
/* Capabilites received */
-#define QLCNIC_FW_CAPABILITY_BDG (1 << 8)
-#define QLCNIC_FW_CAPABILITY_FVLANTX (1 << 9)
-#define QLCNIC_FW_CAPABILITY_HW_LRO (1 << 10)
+#define QLCNIC_FW_CAPABILITY_TSO BIT_1
+#define QLCNIC_FW_CAPABILITY_BDG BIT_8
+#define QLCNIC_FW_CAPABILITY_FVLANTX BIT_9
+#define QLCNIC_FW_CAPABILITY_HW_LRO BIT_10
/* module types */
#define LINKEVENT_MODULE_NOT_PRESENT 1
diff --git a/drivers/net/qlcnic/qlcnic_ethtool.c b/drivers/net/qlcnic/qlcnic_ethtool.c
index f8e39e4cfe0f..baf5a52b2a4b 100644
--- a/drivers/net/qlcnic/qlcnic_ethtool.c
+++ b/drivers/net/qlcnic/qlcnic_ethtool.c
@@ -820,6 +820,9 @@ static u32 qlcnic_get_tso(struct net_device *dev)
static int qlcnic_set_tso(struct net_device *dev, u32 data)
{
+ struct qlcnic_adapter *adapter = netdev_priv(dev);
+ if (!(adapter->capabilities & QLCNIC_FW_CAPABILITY_TSO))
+ return -EOPNOTSUPP;
if (data)
dev->features |= (NETIF_F_TSO | NETIF_F_TSO6);
else
diff --git a/drivers/net/qlcnic/qlcnic_main.c b/drivers/net/qlcnic/qlcnic_main.c
index 18e2b2e6626d..c334f1a0a2a4 100644
--- a/drivers/net/qlcnic/qlcnic_main.c
+++ b/drivers/net/qlcnic/qlcnic_main.c
@@ -1226,10 +1226,14 @@ qlcnic_setup_netdev(struct qlcnic_adapter *adapter,
SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops);
netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM |
- NETIF_F_IPV6_CSUM | NETIF_F_GRO | NETIF_F_TSO | NETIF_F_TSO6);
-
+ NETIF_F_IPV6_CSUM | NETIF_F_GRO);
netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM |
- NETIF_F_IPV6_CSUM | NETIF_F_TSO | NETIF_F_TSO6);
+ NETIF_F_IPV6_CSUM);
+
+ if (adapter->capabilities & QLCNIC_FW_CAPABILITY_TSO) {
+ netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6);
+ netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
+ }
if (pci_using_dac) {
netdev->features |= NETIF_F_HIGHDMA;
--
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