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net: vmxnet3: convert to hw_features
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This also removes private feature flags that were always set to true.

You may want to move vmxnet3_set_features() to vmxnet3_drv.c as a following
cleanup.

Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Michał Mirosław authored and David S. Miller committed Apr 19, 2011
1 parent feb990d commit a0d2730
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Showing 3 changed files with 28 additions and 86 deletions.
40 changes: 14 additions & 26 deletions drivers/net/vmxnet3/vmxnet3_drv.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -1082,7 +1082,7 @@ vmxnet3_rx_csum(struct vmxnet3_adapter *adapter,
struct sk_buff *skb,
union Vmxnet3_GenericDesc *gdesc)
{
if (!gdesc->rcd.cnc && adapter->rxcsum) {
if (!gdesc->rcd.cnc && adapter->netdev->features & NETIF_F_RXCSUM) {
/* typical case: TCP/UDP over IP and both csums are correct */
if ((le32_to_cpu(gdesc->dword[3]) & VMXNET3_RCD_CSUM_OK) ==
VMXNET3_RCD_CSUM_OK) {
Expand Down Expand Up @@ -2081,10 +2081,10 @@ vmxnet3_setup_driver_shared(struct vmxnet3_adapter *adapter)
devRead->misc.ddLen = cpu_to_le32(sizeof(struct vmxnet3_adapter));

/* set up feature flags */
if (adapter->rxcsum)
if (adapter->netdev->features & NETIF_F_RXCSUM)
devRead->misc.uptFeatures |= UPT1_F_RXCSUM;

if (adapter->lro) {
if (adapter->netdev->features & NETIF_F_LRO) {
devRead->misc.uptFeatures |= UPT1_F_LRO;
devRead->misc.maxNumRxSG = cpu_to_le16(1 + MAX_SKB_FRAGS);
}
Expand Down Expand Up @@ -2593,9 +2593,6 @@ vmxnet3_change_mtu(struct net_device *netdev, int new_mtu)
if (new_mtu < VMXNET3_MIN_MTU || new_mtu > VMXNET3_MAX_MTU)
return -EINVAL;

if (new_mtu > 1500 && !adapter->jumbo_frame)
return -EINVAL;

netdev->mtu = new_mtu;

/*
Expand Down Expand Up @@ -2641,28 +2638,18 @@ vmxnet3_declare_features(struct vmxnet3_adapter *adapter, bool dma64)
{
struct net_device *netdev = adapter->netdev;

netdev->features = NETIF_F_SG |
NETIF_F_HW_CSUM |
NETIF_F_HW_VLAN_TX |
NETIF_F_HW_VLAN_RX |
NETIF_F_HW_VLAN_FILTER |
NETIF_F_TSO |
NETIF_F_TSO6 |
NETIF_F_LRO;

printk(KERN_INFO "features: sg csum vlan jf tso tsoIPv6 lro");

adapter->rxcsum = true;
adapter->jumbo_frame = true;
adapter->lro = true;

if (dma64) {
netdev->hw_features = NETIF_F_SG | NETIF_F_RXCSUM |
NETIF_F_HW_CSUM | NETIF_F_HW_VLAN_TX |
NETIF_F_TSO | NETIF_F_TSO6 | NETIF_F_LRO;
if (dma64)
netdev->features |= NETIF_F_HIGHDMA;
printk(" highDMA");
}
netdev->vlan_features = netdev->hw_features & ~NETIF_F_HW_VLAN_TX;
netdev->features = netdev->hw_features |
NETIF_F_HW_VLAN_RX | NETIF_F_HW_VLAN_FILTER;

netdev->vlan_features = netdev->features;
printk("\n");
netdev_info(adapter->netdev,
"features: sg csum vlan jf tso tsoIPv6 lro%s\n",
dma64 ? " highDMA" : "");
}


Expand Down Expand Up @@ -2874,6 +2861,7 @@ vmxnet3_probe_device(struct pci_dev *pdev,
.ndo_start_xmit = vmxnet3_xmit_frame,
.ndo_set_mac_address = vmxnet3_set_mac_addr,
.ndo_change_mtu = vmxnet3_change_mtu,
.ndo_set_features = vmxnet3_set_features,
.ndo_get_stats = vmxnet3_get_stats,
.ndo_tx_timeout = vmxnet3_tx_timeout,
.ndo_set_multicast_list = vmxnet3_set_mc,
Expand Down
67 changes: 11 additions & 56 deletions drivers/net/vmxnet3/vmxnet3_ethtool.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -33,40 +33,6 @@ struct vmxnet3_stat_desc {
};


static u32
vmxnet3_get_rx_csum(struct net_device *netdev)
{
struct vmxnet3_adapter *adapter = netdev_priv(netdev);
return adapter->rxcsum;
}


static int
vmxnet3_set_rx_csum(struct net_device *netdev, u32 val)
{
struct vmxnet3_adapter *adapter = netdev_priv(netdev);
unsigned long flags;

if (adapter->rxcsum != val) {
adapter->rxcsum = val;
if (netif_running(netdev)) {
if (val)
adapter->shared->devRead.misc.uptFeatures |=
UPT1_F_RXCSUM;
else
adapter->shared->devRead.misc.uptFeatures &=
~UPT1_F_RXCSUM;

spin_lock_irqsave(&adapter->cmd_lock, flags);
VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD,
VMXNET3_CMD_UPDATE_FEATURE);
spin_unlock_irqrestore(&adapter->cmd_lock, flags);
}
}
return 0;
}


/* per tq stats maintained by the device */
static const struct vmxnet3_stat_desc
vmxnet3_tq_dev_stats[] = {
Expand Down Expand Up @@ -296,28 +262,27 @@ vmxnet3_get_strings(struct net_device *netdev, u32 stringset, u8 *buf)
}
}

static int
vmxnet3_set_flags(struct net_device *netdev, u32 data)
int vmxnet3_set_features(struct net_device *netdev, u32 features)
{
struct vmxnet3_adapter *adapter = netdev_priv(netdev);
u8 lro_requested = (data & ETH_FLAG_LRO) == 0 ? 0 : 1;
u8 lro_present = (netdev->features & NETIF_F_LRO) == 0 ? 0 : 1;
unsigned long flags;
u32 changed = features ^ netdev->features;

if (ethtool_invalid_flags(netdev, data, ETH_FLAG_LRO))
return -EINVAL;

if (lro_requested ^ lro_present) {
/* toggle the LRO feature*/
netdev->features ^= NETIF_F_LRO;
if (changed & (NETIF_F_RXCSUM|NETIF_F_LRO)) {
if (features & NETIF_F_RXCSUM)
adapter->shared->devRead.misc.uptFeatures |=
UPT1_F_RXCSUM;
else
adapter->shared->devRead.misc.uptFeatures &=
~UPT1_F_RXCSUM;

/* update harware LRO capability accordingly */
if (lro_requested)
if (features & NETIF_F_LRO)
adapter->shared->devRead.misc.uptFeatures |=
UPT1_F_LRO;
else
adapter->shared->devRead.misc.uptFeatures &=
~UPT1_F_LRO;

spin_lock_irqsave(&adapter->cmd_lock, flags);
VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD,
VMXNET3_CMD_UPDATE_FEATURE);
Expand Down Expand Up @@ -654,17 +619,7 @@ static struct ethtool_ops vmxnet3_ethtool_ops = {
.get_wol = vmxnet3_get_wol,
.set_wol = vmxnet3_set_wol,
.get_link = ethtool_op_get_link,
.get_rx_csum = vmxnet3_get_rx_csum,
.set_rx_csum = vmxnet3_set_rx_csum,
.get_tx_csum = ethtool_op_get_tx_csum,
.set_tx_csum = ethtool_op_set_tx_hw_csum,
.get_sg = ethtool_op_get_sg,
.set_sg = ethtool_op_set_sg,
.get_tso = ethtool_op_get_tso,
.set_tso = ethtool_op_set_tso,
.get_strings = vmxnet3_get_strings,
.get_flags = ethtool_op_get_flags,
.set_flags = vmxnet3_set_flags,
.get_sset_count = vmxnet3_get_sset_count,
.get_ethtool_stats = vmxnet3_get_ethtool_stats,
.get_ringparam = vmxnet3_get_ringparam,
Expand Down
7 changes: 3 additions & 4 deletions drivers/net/vmxnet3/vmxnet3_int.h
View file
Original file line number Diff line number Diff line change
Expand Up @@ -329,10 +329,6 @@ struct vmxnet3_adapter {
u8 __iomem *hw_addr0; /* for BAR 0 */
u8 __iomem *hw_addr1; /* for BAR 1 */

/* feature control */
bool rxcsum;
bool lro;
bool jumbo_frame;
#ifdef VMXNET3_RSS
struct UPT1_RSSConf *rss_conf;
bool rss;
Expand Down Expand Up @@ -403,6 +399,9 @@ vmxnet3_tq_destroy_all(struct vmxnet3_adapter *adapter);
void
vmxnet3_rq_destroy_all(struct vmxnet3_adapter *adapter);

int
vmxnet3_set_features(struct net_device *netdev, u32 features);

int
vmxnet3_create_queues(struct vmxnet3_adapter *adapter,
u32 tx_ring_size, u32 rx_ring_size, u32 rx_ring2_size);
Expand Down

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