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Date: Tue, 19 Apr 2011 15:03:57 +0200 (CEST)
From: Michał Mirosław <mirq-linux@...e.qmqm.pl>
To: netdev@...r.kernel.org
Cc: Amit Kumar Salecha <amit.salecha@...gic.com>,
Anirban Chakraborty <anirban.chakraborty@...gic.com>,
linux-driver@...gic.com
Subject: [PATCH v2] net: qlcnic: convert to hw_features
Bit more than minimal conversion. There might be some issues because
of qlcnic_set_netdev_features() if it's called after netdev init.
Signed-off-by: Michał Mirosław <mirq-linux@...e.qmqm.pl>
---
v2: fix compilation issues (I forgot to 'stg refresh' before sending v1)
drivers/net/qlcnic/qlcnic.h | 3 +-
drivers/net/qlcnic/qlcnic_ethtool.c | 120 -----------------------------------
drivers/net/qlcnic/qlcnic_hw.c | 37 +++++++++++
drivers/net/qlcnic/qlcnic_init.c | 4 +-
drivers/net/qlcnic/qlcnic_main.c | 35 +++++------
5 files changed, 57 insertions(+), 142 deletions(-)
diff --git a/drivers/net/qlcnic/qlcnic.h b/drivers/net/qlcnic/qlcnic.h
index e5d3053..fa5b15c 100644
--- a/drivers/net/qlcnic/qlcnic.h
+++ b/drivers/net/qlcnic/qlcnic.h
@@ -926,7 +926,6 @@ struct qlcnic_adapter {
u8 max_rds_rings;
u8 max_sds_rings;
u8 msix_supported;
- u8 rx_csum;
u8 portnum;
u8 physical_port;
u8 reset_context;
@@ -1247,6 +1246,8 @@ void qlcnic_advert_link_change(struct qlcnic_adapter *adapter, int linkup);
int qlcnic_fw_cmd_set_mtu(struct qlcnic_adapter *adapter, int mtu);
int qlcnic_change_mtu(struct net_device *netdev, int new_mtu);
+u32 qlcnic_fix_features(struct net_device *netdev, u32 features);
+int qlcnic_set_features(struct net_device *netdev, u32 features);
int qlcnic_config_hw_lro(struct qlcnic_adapter *adapter, int enable);
int qlcnic_config_bridged_mode(struct qlcnic_adapter *adapter, u32 enable);
int qlcnic_send_lro_cleanup(struct qlcnic_adapter *adapter);
diff --git a/drivers/net/qlcnic/qlcnic_ethtool.c b/drivers/net/qlcnic/qlcnic_ethtool.c
index 3cd8a16..615a5ab 100644
--- a/drivers/net/qlcnic/qlcnic_ethtool.c
+++ b/drivers/net/qlcnic/qlcnic_ethtool.c
@@ -764,73 +764,6 @@ qlcnic_get_ethtool_stats(struct net_device *dev,
qlcnic_fill_device_stats(&index, data, &port_stats.tx);
}
-static int qlcnic_set_tx_csum(struct net_device *dev, u32 data)
-{
- struct qlcnic_adapter *adapter = netdev_priv(dev);
-
- if ((adapter->flags & QLCNIC_ESWITCH_ENABLED))
- return -EOPNOTSUPP;
- if (data)
- dev->features |= (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM);
- else
- dev->features &= ~(NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM);
-
- return 0;
-
-}
-static u32 qlcnic_get_tx_csum(struct net_device *dev)
-{
- return dev->features & NETIF_F_IP_CSUM;
-}
-
-static u32 qlcnic_get_rx_csum(struct net_device *dev)
-{
- struct qlcnic_adapter *adapter = netdev_priv(dev);
- return adapter->rx_csum;
-}
-
-static int qlcnic_set_rx_csum(struct net_device *dev, u32 data)
-{
- struct qlcnic_adapter *adapter = netdev_priv(dev);
-
- if ((adapter->flags & QLCNIC_ESWITCH_ENABLED))
- return -EOPNOTSUPP;
- if (!!data) {
- adapter->rx_csum = !!data;
- return 0;
- }
-
- if (dev->features & NETIF_F_LRO) {
- if (qlcnic_config_hw_lro(adapter, QLCNIC_LRO_DISABLED))
- return -EIO;
-
- dev->features &= ~NETIF_F_LRO;
- qlcnic_send_lro_cleanup(adapter);
- dev_info(&adapter->pdev->dev,
- "disabling LRO as rx_csum is off\n");
- }
- adapter->rx_csum = !!data;
- return 0;
-}
-
-static u32 qlcnic_get_tso(struct net_device *dev)
-{
- return (dev->features & (NETIF_F_TSO | NETIF_F_TSO6)) != 0;
-}
-
-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
- dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO6);
-
- return 0;
-}
-
static int qlcnic_set_led(struct net_device *dev,
enum ethtool_phys_id_state state)
{
@@ -993,50 +926,6 @@ static int qlcnic_get_intr_coalesce(struct net_device *netdev,
return 0;
}
-static int qlcnic_set_flags(struct net_device *netdev, u32 data)
-{
- struct qlcnic_adapter *adapter = netdev_priv(netdev);
- int hw_lro;
-
- if (ethtool_invalid_flags(netdev, data, ETH_FLAG_LRO))
- return -EINVAL;
-
- if (data & ETH_FLAG_LRO) {
-
- if (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;
- }
-
- 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;
- }
-
- if (qlcnic_config_hw_lro(adapter, hw_lro))
- return -EIO;
-
- if ((hw_lro == 0) && qlcnic_send_lro_cleanup(adapter))
- return -EIO;
-
-
- return 0;
-}
-
static u32 qlcnic_get_msglevel(struct net_device *netdev)
{
struct qlcnic_adapter *adapter = netdev_priv(netdev);
@@ -1064,23 +953,14 @@ const struct ethtool_ops qlcnic_ethtool_ops = {
.set_ringparam = qlcnic_set_ringparam,
.get_pauseparam = qlcnic_get_pauseparam,
.set_pauseparam = qlcnic_set_pauseparam,
- .get_tx_csum = qlcnic_get_tx_csum,
- .set_tx_csum = qlcnic_set_tx_csum,
- .set_sg = ethtool_op_set_sg,
- .get_tso = qlcnic_get_tso,
- .set_tso = qlcnic_set_tso,
.get_wol = qlcnic_get_wol,
.set_wol = qlcnic_set_wol,
.self_test = qlcnic_diag_test,
.get_strings = qlcnic_get_strings,
.get_ethtool_stats = qlcnic_get_ethtool_stats,
.get_sset_count = qlcnic_get_sset_count,
- .get_rx_csum = qlcnic_get_rx_csum,
- .set_rx_csum = qlcnic_set_rx_csum,
.get_coalesce = qlcnic_get_intr_coalesce,
.set_coalesce = qlcnic_set_intr_coalesce,
- .get_flags = ethtool_op_get_flags,
- .set_flags = qlcnic_set_flags,
.set_phys_id = qlcnic_set_led,
.set_msglevel = qlcnic_set_msglevel,
.get_msglevel = qlcnic_get_msglevel,
diff --git a/drivers/net/qlcnic/qlcnic_hw.c b/drivers/net/qlcnic/qlcnic_hw.c
index 498cca9..cbb27f2 100644
--- a/drivers/net/qlcnic/qlcnic_hw.c
+++ b/drivers/net/qlcnic/qlcnic_hw.c
@@ -758,6 +758,43 @@ int qlcnic_change_mtu(struct net_device *netdev, int mtu)
return rc;
}
+
+u32 qlcnic_fix_features(struct net_device *netdev, u32 features)
+{
+ struct qlcnic_adapter *adapter = netdev_priv(netdev);
+
+ if ((adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
+ u32 changed = features ^ netdev->features;
+ features ^= changed & (NETIF_F_ALL_CSUM | NETIF_F_RXCSUM);
+ }
+
+ if (!(features & NETIF_F_RXCSUM))
+ features &= ~NETIF_F_LRO;
+
+ return features;
+}
+
+
+int qlcnic_set_features(struct net_device *netdev, u32 features)
+{
+ struct qlcnic_adapter *adapter = netdev_priv(netdev);
+ u32 changed = netdev->features ^ features;
+ int hw_lro = (features & NETIF_F_LRO) ? QLCNIC_LRO_ENABLED : 0;
+
+ if (!(changed & NETIF_F_LRO))
+ return 0;
+
+ netdev->features = features ^ NETIF_F_LRO;
+
+ if (qlcnic_config_hw_lro(adapter, hw_lro))
+ return -EIO;
+
+ if ((hw_lro == 0) && qlcnic_send_lro_cleanup(adapter))
+ return -EIO;
+
+ return 0;
+}
+
/*
* Changes the CRB window to the specified window.
*/
diff --git a/drivers/net/qlcnic/qlcnic_init.c b/drivers/net/qlcnic/qlcnic_init.c
index 4ec0eeb..d0f338b 100644
--- a/drivers/net/qlcnic/qlcnic_init.c
+++ b/drivers/net/qlcnic/qlcnic_init.c
@@ -1390,8 +1390,8 @@ static struct sk_buff *qlcnic_process_rxbuf(struct qlcnic_adapter *adapter,
skb = buffer->skb;
- if (likely(adapter->rx_csum && (cksum == STATUS_CKSUM_OK ||
- cksum == STATUS_CKSUM_LOOP))) {
+ if (likely((adapter->netdev->features & NETIF_F_RXCSUM) &&
+ (cksum == STATUS_CKSUM_OK || cksum == STATUS_CKSUM_LOOP))) {
adapter->stats.csummed++;
skb->ip_summed = CHECKSUM_UNNECESSARY;
} else {
diff --git a/drivers/net/qlcnic/qlcnic_main.c b/drivers/net/qlcnic/qlcnic_main.c
index e9e9ba6..6e61951 100644
--- a/drivers/net/qlcnic/qlcnic_main.c
+++ b/drivers/net/qlcnic/qlcnic_main.c
@@ -328,6 +328,8 @@ static const struct net_device_ops qlcnic_netdev_ops = {
.ndo_set_multicast_list = qlcnic_set_multi,
.ndo_set_mac_address = qlcnic_set_mac,
.ndo_change_mtu = qlcnic_change_mtu,
+ .ndo_fix_features = qlcnic_fix_features,
+ .ndo_set_features = qlcnic_set_features,
.ndo_tx_timeout = qlcnic_tx_timeout,
.ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add,
.ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del,
@@ -764,7 +766,7 @@ qlcnic_set_netdev_features(struct qlcnic_adapter *adapter,
struct net_device *netdev = adapter->netdev;
unsigned long features, vlan_features;
- features = (NETIF_F_SG | NETIF_F_IP_CSUM |
+ features = (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
NETIF_F_IPV6_CSUM | NETIF_F_GRO);
vlan_features = (NETIF_F_SG | NETIF_F_IP_CSUM |
NETIF_F_IPV6_CSUM | NETIF_F_HW_VLAN_FILTER);
@@ -779,14 +781,12 @@ qlcnic_set_netdev_features(struct qlcnic_adapter *adapter,
if (esw_cfg->offload_flags & BIT_0) {
netdev->features |= features;
- adapter->rx_csum = 1;
if (!(esw_cfg->offload_flags & BIT_1))
netdev->features &= ~NETIF_F_TSO;
if (!(esw_cfg->offload_flags & BIT_2))
netdev->features &= ~NETIF_F_TSO6;
} else {
netdev->features &= ~features;
- adapter->rx_csum = 0;
}
netdev->vlan_features = (features & vlan_features);
@@ -1436,7 +1436,6 @@ qlcnic_setup_netdev(struct qlcnic_adapter *adapter,
int err;
struct pci_dev *pdev = adapter->pdev;
- adapter->rx_csum = 1;
adapter->mc_enabled = 0;
adapter->max_mc_count = 38;
@@ -1447,26 +1446,24 @@ 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_HW_VLAN_RX);
- netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM |
- NETIF_F_IPV6_CSUM | NETIF_F_HW_VLAN_FILTER);
+ netdev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM |
+ NETIF_F_IPV6_CSUM | NETIF_F_RXCSUM;
- 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 (adapter->capabilities & QLCNIC_FW_CAPABILITY_TSO)
+ netdev->hw_features |= NETIF_F_TSO | NETIF_F_TSO6;
+ if (pci_using_dac)
+ netdev->hw_features |= NETIF_F_HIGHDMA;
- if (pci_using_dac) {
- netdev->features |= NETIF_F_HIGHDMA;
- netdev->vlan_features |= NETIF_F_HIGHDMA;
- }
+ netdev->vlan_features = netdev->hw_features;
if (adapter->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX)
- netdev->features |= (NETIF_F_HW_VLAN_TX);
-
+ netdev->hw_features |= NETIF_F_HW_VLAN_TX;
if (adapter->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
- netdev->features |= NETIF_F_LRO;
+ netdev->hw_features |= NETIF_F_LRO;
+
+ netdev->features |= netdev->hw_features |
+ NETIF_F_HW_VLAN_RX | NETIF_F_HW_VLAN_FILTER;
+
netdev->irq = adapter->msix_entries[0].vector;
netif_carrier_off(netdev);
--
1.7.2.5
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