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path: root/drivers/net/forcedeth.c
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Diffstat (limited to 'drivers/net/forcedeth.c')
-rw-r--r--drivers/net/forcedeth.c235
1 files changed, 25 insertions, 210 deletions
diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c
index a1c0e7bb70e8..e282d0ae6a3d 100644
--- a/drivers/net/forcedeth.c
+++ b/drivers/net/forcedeth.c
@@ -1104,20 +1104,16 @@ static void nv_disable_hw_interrupts(struct net_device *dev, u32 mask)
static void nv_napi_enable(struct net_device *dev)
{
-#ifdef CONFIG_FORCEDETH_NAPI
struct fe_priv *np = get_nvpriv(dev);
napi_enable(&np->napi);
-#endif
}
static void nv_napi_disable(struct net_device *dev)
{
-#ifdef CONFIG_FORCEDETH_NAPI
struct fe_priv *np = get_nvpriv(dev);
napi_disable(&np->napi);
-#endif
}
#define MII_READ (-1)
@@ -1810,7 +1806,6 @@ static int nv_alloc_rx_optimized(struct net_device *dev)
}
/* If rx bufs are exhausted called after 50ms to attempt to refresh */
-#ifdef CONFIG_FORCEDETH_NAPI
static void nv_do_rx_refill(unsigned long data)
{
struct net_device *dev = (struct net_device *) data;
@@ -1819,41 +1814,6 @@ static void nv_do_rx_refill(unsigned long data)
/* Just reschedule NAPI rx processing */
napi_schedule(&np->napi);
}
-#else
-static void nv_do_rx_refill(unsigned long data)
-{
- struct net_device *dev = (struct net_device *) data;
- struct fe_priv *np = netdev_priv(dev);
- int retcode;
-
- if (!using_multi_irqs(dev)) {
- if (np->msi_flags & NV_MSI_X_ENABLED)
- disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector);
- else
- disable_irq(np->pci_dev->irq);
- } else {
- disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector);
- }
- if (!nv_optimized(np))
- retcode = nv_alloc_rx(dev);
- else
- retcode = nv_alloc_rx_optimized(dev);
- if (retcode) {
- spin_lock_irq(&np->lock);
- if (!np->in_shutdown)
- mod_timer(&np->oom_kick, jiffies + OOM_REFILL);
- spin_unlock_irq(&np->lock);
- }
- if (!using_multi_irqs(dev)) {
- if (np->msi_flags & NV_MSI_X_ENABLED)
- enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector);
- else
- enable_irq(np->pci_dev->irq);
- } else {
- enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector);
- }
-}
-#endif
static void nv_init_rx(struct net_device *dev)
{
@@ -2816,11 +2776,7 @@ static int nv_rx_process(struct net_device *dev, int limit)
skb->protocol = eth_type_trans(skb, dev);
dprintk(KERN_DEBUG "%s: nv_rx_process: %d bytes, proto %d accepted.\n",
dev->name, len, skb->protocol);
-#ifdef CONFIG_FORCEDETH_NAPI
- netif_receive_skb(skb);
-#else
- netif_rx(skb);
-#endif
+ napi_gro_receive(&np->napi, skb);
dev->stats.rx_packets++;
dev->stats.rx_bytes += len;
next_pkt:
@@ -2909,27 +2865,14 @@ static int nv_rx_process_optimized(struct net_device *dev, int limit)
dev->name, len, skb->protocol);
if (likely(!np->vlangrp)) {
-#ifdef CONFIG_FORCEDETH_NAPI
- netif_receive_skb(skb);
-#else
- netif_rx(skb);
-#endif
+ napi_gro_receive(&np->napi, skb);
} else {
vlanflags = le32_to_cpu(np->get_rx.ex->buflow);
if (vlanflags & NV_RX3_VLAN_TAG_PRESENT) {
-#ifdef CONFIG_FORCEDETH_NAPI
- vlan_hwaccel_receive_skb(skb, np->vlangrp,
- vlanflags & NV_RX3_VLAN_TAG_MASK);
-#else
- vlan_hwaccel_rx(skb, np->vlangrp,
- vlanflags & NV_RX3_VLAN_TAG_MASK);
-#endif
+ vlan_gro_receive(&np->napi, np->vlangrp,
+ vlanflags & NV_RX3_VLAN_TAG_MASK, skb);
} else {
-#ifdef CONFIG_FORCEDETH_NAPI
- netif_receive_skb(skb);
-#else
- netif_rx(skb);
-#endif
+ napi_gro_receive(&np->napi, skb);
}
}
@@ -3496,10 +3439,6 @@ static irqreturn_t nv_nic_irq(int foo, void *data)
struct net_device *dev = (struct net_device *) data;
struct fe_priv *np = netdev_priv(dev);
u8 __iomem *base = get_hwbase(dev);
-#ifndef CONFIG_FORCEDETH_NAPI
- int total_work = 0;
- int loop_count = 0;
-#endif
dprintk(KERN_DEBUG "%s: nv_nic_irq\n", dev->name);
@@ -3516,7 +3455,6 @@ static irqreturn_t nv_nic_irq(int foo, void *data)
nv_msi_workaround(np);
-#ifdef CONFIG_FORCEDETH_NAPI
if (napi_schedule_prep(&np->napi)) {
/*
* Disable further irq's (msix not enabled with napi)
@@ -3525,65 +3463,6 @@ static irqreturn_t nv_nic_irq(int foo, void *data)
__napi_schedule(&np->napi);
}
-#else
- do
- {
- int work = 0;
- if ((work = nv_rx_process(dev, RX_WORK_PER_LOOP))) {
- if (unlikely(nv_alloc_rx(dev))) {
- spin_lock(&np->lock);
- if (!np->in_shutdown)
- mod_timer(&np->oom_kick, jiffies + OOM_REFILL);
- spin_unlock(&np->lock);
- }
- }
-
- spin_lock(&np->lock);
- work += nv_tx_done(dev, TX_WORK_PER_LOOP);
- spin_unlock(&np->lock);
-
- if (!work)
- break;
-
- total_work += work;
-
- loop_count++;
- }
- while (loop_count < max_interrupt_work);
-
- if (nv_change_interrupt_mode(dev, total_work)) {
- /* setup new irq mask */
- writel(np->irqmask, base + NvRegIrqMask);
- }
-
- if (unlikely(np->events & NVREG_IRQ_LINK)) {
- spin_lock(&np->lock);
- nv_link_irq(dev);
- spin_unlock(&np->lock);
- }
- if (unlikely(np->need_linktimer && time_after(jiffies, np->link_timeout))) {
- spin_lock(&np->lock);
- nv_linkchange(dev);
- spin_unlock(&np->lock);
- np->link_timeout = jiffies + LINK_TIMEOUT;
- }
- if (unlikely(np->events & NVREG_IRQ_RECOVER_ERROR)) {
- spin_lock(&np->lock);
- /* disable interrupts on the nic */
- if (!(np->msi_flags & NV_MSI_X_ENABLED))
- writel(0, base + NvRegIrqMask);
- else
- writel(np->irqmask, base + NvRegIrqMask);
- pci_push(base);
-
- if (!np->in_shutdown) {
- np->nic_poll_irq = np->irqmask;
- np->recover_error = 1;
- mod_timer(&np->nic_poll, jiffies + POLL_WAIT);
- }
- spin_unlock(&np->lock);
- }
-#endif
dprintk(KERN_DEBUG "%s: nv_nic_irq completed\n", dev->name);
return IRQ_HANDLED;
@@ -3599,10 +3478,6 @@ static irqreturn_t nv_nic_irq_optimized(int foo, void *data)
struct net_device *dev = (struct net_device *) data;
struct fe_priv *np = netdev_priv(dev);
u8 __iomem *base = get_hwbase(dev);
-#ifndef CONFIG_FORCEDETH_NAPI
- int total_work = 0;
- int loop_count = 0;
-#endif
dprintk(KERN_DEBUG "%s: nv_nic_irq_optimized\n", dev->name);
@@ -3619,7 +3494,6 @@ static irqreturn_t nv_nic_irq_optimized(int foo, void *data)
nv_msi_workaround(np);
-#ifdef CONFIG_FORCEDETH_NAPI
if (napi_schedule_prep(&np->napi)) {
/*
* Disable further irq's (msix not enabled with napi)
@@ -3627,66 +3501,6 @@ static irqreturn_t nv_nic_irq_optimized(int foo, void *data)
writel(0, base + NvRegIrqMask);
__napi_schedule(&np->napi);
}
-#else
- do
- {
- int work = 0;
- if ((work = nv_rx_process_optimized(dev, RX_WORK_PER_LOOP))) {
- if (unlikely(nv_alloc_rx_optimized(dev))) {
- spin_lock(&np->lock);
- if (!np->in_shutdown)
- mod_timer(&np->oom_kick, jiffies + OOM_REFILL);
- spin_unlock(&np->lock);
- }
- }
-
- spin_lock(&np->lock);
- work += nv_tx_done_optimized(dev, TX_WORK_PER_LOOP);
- spin_unlock(&np->lock);
-
- if (!work)
- break;
-
- total_work += work;
-
- loop_count++;
- }
- while (loop_count < max_interrupt_work);
-
- if (nv_change_interrupt_mode(dev, total_work)) {
- /* setup new irq mask */
- writel(np->irqmask, base + NvRegIrqMask);
- }
-
- if (unlikely(np->events & NVREG_IRQ_LINK)) {
- spin_lock(&np->lock);
- nv_link_irq(dev);
- spin_unlock(&np->lock);
- }
- if (unlikely(np->need_linktimer && time_after(jiffies, np->link_timeout))) {
- spin_lock(&np->lock);
- nv_linkchange(dev);
- spin_unlock(&np->lock);
- np->link_timeout = jiffies + LINK_TIMEOUT;
- }
- if (unlikely(np->events & NVREG_IRQ_RECOVER_ERROR)) {
- spin_lock(&np->lock);
- /* disable interrupts on the nic */
- if (!(np->msi_flags & NV_MSI_X_ENABLED))
- writel(0, base + NvRegIrqMask);
- else
- writel(np->irqmask, base + NvRegIrqMask);
- pci_push(base);
-
- if (!np->in_shutdown) {
- np->nic_poll_irq = np->irqmask;
- np->recover_error = 1;
- mod_timer(&np->nic_poll, jiffies + POLL_WAIT);
- }
- spin_unlock(&np->lock);
- }
-
-#endif
dprintk(KERN_DEBUG "%s: nv_nic_irq_optimized completed\n", dev->name);
return IRQ_HANDLED;
@@ -3735,7 +3549,6 @@ static irqreturn_t nv_nic_irq_tx(int foo, void *data)
return IRQ_RETVAL(i);
}
-#ifdef CONFIG_FORCEDETH_NAPI
static int nv_napi_poll(struct napi_struct *napi, int budget)
{
struct fe_priv *np = container_of(napi, struct fe_priv, napi);
@@ -3743,23 +3556,27 @@ static int nv_napi_poll(struct napi_struct *napi, int budget)
u8 __iomem *base = get_hwbase(dev);
unsigned long flags;
int retcode;
- int tx_work, rx_work;
+ int rx_count, tx_work=0, rx_work=0;
- if (!nv_optimized(np)) {
- spin_lock_irqsave(&np->lock, flags);
- tx_work = nv_tx_done(dev, np->tx_ring_size);
- spin_unlock_irqrestore(&np->lock, flags);
+ do {
+ if (!nv_optimized(np)) {
+ spin_lock_irqsave(&np->lock, flags);
+ tx_work += nv_tx_done(dev, np->tx_ring_size);
+ spin_unlock_irqrestore(&np->lock, flags);
- rx_work = nv_rx_process(dev, budget);
- retcode = nv_alloc_rx(dev);
- } else {
- spin_lock_irqsave(&np->lock, flags);
- tx_work = nv_tx_done_optimized(dev, np->tx_ring_size);
- spin_unlock_irqrestore(&np->lock, flags);
+ rx_count = nv_rx_process(dev, budget - rx_work);
+ retcode = nv_alloc_rx(dev);
+ } else {
+ spin_lock_irqsave(&np->lock, flags);
+ tx_work += nv_tx_done_optimized(dev, np->tx_ring_size);
+ spin_unlock_irqrestore(&np->lock, flags);
- rx_work = nv_rx_process_optimized(dev, budget);
- retcode = nv_alloc_rx_optimized(dev);
- }
+ rx_count = nv_rx_process_optimized(dev,
+ budget - rx_work);
+ retcode = nv_alloc_rx_optimized(dev);
+ }
+ } while (retcode == 0 &&
+ rx_count > 0 && (rx_work += rx_count) < budget);
if (retcode) {
spin_lock_irqsave(&np->lock, flags);
@@ -3802,7 +3619,6 @@ static int nv_napi_poll(struct napi_struct *napi, int budget)
}
return rx_work;
}
-#endif
static irqreturn_t nv_nic_irq_rx(int foo, void *data)
{
@@ -5708,6 +5524,7 @@ static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_i
np->txrxctl_bits |= NVREG_TXRXCTL_RXCHECK;
dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG;
dev->features |= NETIF_F_TSO;
+ dev->features |= NETIF_F_GRO;
}
np->vlanctl_bits = 0;
@@ -5760,9 +5577,7 @@ static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_i
else
dev->netdev_ops = &nv_netdev_ops_optimized;
-#ifdef CONFIG_FORCEDETH_NAPI
netif_napi_add(dev, &np->napi, nv_napi_poll, RX_WORK_PER_LOOP);
-#endif
SET_ETHTOOL_OPS(dev, &ops);
dev->watchdog_timeo = NV_WATCHDOG_TIMEO;
@@ -5865,7 +5680,7 @@ static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_i
/* msix has had reported issues when modifying irqmask
as in the case of napi, therefore, disable for now
*/
-#ifndef CONFIG_FORCEDETH_NAPI
+#if 0
np->msi_flags |= NV_MSI_X_CAPABLE;
#endif
}
generated by cgit v1.2.3 (git 2.39.0) at 2024-07-25 19:22:47 +0300