diff options
Diffstat (limited to 'drivers/net/forcedeth.c')
| -rw-r--r-- | drivers/net/forcedeth.c | 98 |
1 files changed, 60 insertions, 38 deletions
diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c index 78c2fe185281..6b6765431eaf 100644 --- a/drivers/net/forcedeth.c +++ b/drivers/net/forcedeth.c @@ -3440,25 +3440,22 @@ static irqreturn_t nv_nic_irq(int foo, void *data) nv_msi_workaround(np); +#ifdef CONFIG_FORCEDETH_NAPI spin_lock(&np->lock); - nv_tx_done(dev, np->tx_ring_size); - spin_unlock(&np->lock); + napi_schedule(&np->napi); -#ifdef CONFIG_FORCEDETH_NAPI - if (np->events & NVREG_IRQ_RX_ALL) { - spin_lock(&np->lock); - napi_schedule(&np->napi); + /* Disable furthur irq's + (msix not enabled with napi) */ + writel(0, base + NvRegIrqMask); - /* Disable furthur receive irq's */ - np->irqmask &= ~NVREG_IRQ_RX_ALL; + spin_unlock(&np->lock); - if (np->msi_flags & NV_MSI_X_ENABLED) - writel(NVREG_IRQ_RX_ALL, base + NvRegIrqMask); - else - writel(np->irqmask, base + NvRegIrqMask); - spin_unlock(&np->lock); - } + return IRQ_HANDLED; #else + spin_lock(&np->lock); + nv_tx_done(dev, np->tx_ring_size); + spin_unlock(&np->lock); + if (nv_rx_process(dev, RX_WORK_PER_LOOP)) { if (unlikely(nv_alloc_rx(dev))) { spin_lock(&np->lock); @@ -3467,7 +3464,7 @@ static irqreturn_t nv_nic_irq(int foo, void *data) spin_unlock(&np->lock); } } -#endif + if (unlikely(np->events & NVREG_IRQ_LINK)) { spin_lock(&np->lock); nv_link_irq(dev); @@ -3513,7 +3510,7 @@ static irqreturn_t nv_nic_irq(int foo, void *data) printk(KERN_DEBUG "%s: too many iterations (%d) in nv_nic_irq.\n", dev->name, i); break; } - +#endif } dprintk(KERN_DEBUG "%s: nv_nic_irq completed\n", dev->name); @@ -3548,25 +3545,22 @@ static irqreturn_t nv_nic_irq_optimized(int foo, void *data) nv_msi_workaround(np); +#ifdef CONFIG_FORCEDETH_NAPI spin_lock(&np->lock); - nv_tx_done_optimized(dev, TX_WORK_PER_LOOP); - spin_unlock(&np->lock); + napi_schedule(&np->napi); -#ifdef CONFIG_FORCEDETH_NAPI - if (np->events & NVREG_IRQ_RX_ALL) { - spin_lock(&np->lock); - napi_schedule(&np->napi); + /* Disable furthur irq's + (msix not enabled with napi) */ + writel(0, base + NvRegIrqMask); - /* Disable furthur receive irq's */ - np->irqmask &= ~NVREG_IRQ_RX_ALL; + spin_unlock(&np->lock); - if (np->msi_flags & NV_MSI_X_ENABLED) - writel(NVREG_IRQ_RX_ALL, base + NvRegIrqMask); - else - writel(np->irqmask, base + NvRegIrqMask); - spin_unlock(&np->lock); - } + return IRQ_HANDLED; #else + spin_lock(&np->lock); + nv_tx_done_optimized(dev, TX_WORK_PER_LOOP); + spin_unlock(&np->lock); + if (nv_rx_process_optimized(dev, RX_WORK_PER_LOOP)) { if (unlikely(nv_alloc_rx_optimized(dev))) { spin_lock(&np->lock); @@ -3575,7 +3569,7 @@ static irqreturn_t nv_nic_irq_optimized(int foo, void *data) spin_unlock(&np->lock); } } -#endif + if (unlikely(np->events & NVREG_IRQ_LINK)) { spin_lock(&np->lock); nv_link_irq(dev); @@ -3622,7 +3616,7 @@ static irqreturn_t nv_nic_irq_optimized(int foo, void *data) printk(KERN_DEBUG "%s: too many iterations (%d) in nv_nic_irq.\n", dev->name, i); break; } - +#endif } dprintk(KERN_DEBUG "%s: nv_nic_irq_optimized completed\n", dev->name); @@ -3682,9 +3676,17 @@ static int nv_napi_poll(struct napi_struct *napi, int budget) int pkts, retcode; if (!nv_optimized(np)) { + spin_lock_irqsave(&np->lock, flags); + nv_tx_done(dev, np->tx_ring_size); + spin_unlock_irqrestore(&np->lock, flags); + pkts = nv_rx_process(dev, budget); retcode = nv_alloc_rx(dev); } else { + spin_lock_irqsave(&np->lock, flags); + nv_tx_done_optimized(dev, np->tx_ring_size); + spin_unlock_irqrestore(&np->lock, flags); + pkts = nv_rx_process_optimized(dev, budget); retcode = nv_alloc_rx_optimized(dev); } @@ -3696,17 +3698,37 @@ static int nv_napi_poll(struct napi_struct *napi, int budget) spin_unlock_irqrestore(&np->lock, flags); } + if (unlikely(np->events & NVREG_IRQ_LINK)) { + spin_lock_irqsave(&np->lock, flags); + nv_link_irq(dev); + spin_unlock_irqrestore(&np->lock, flags); + } + if (unlikely(np->need_linktimer && time_after(jiffies, np->link_timeout))) { + spin_lock_irqsave(&np->lock, flags); + nv_linkchange(dev); + spin_unlock_irqrestore(&np->lock, flags); + np->link_timeout = jiffies + LINK_TIMEOUT; + } + if (unlikely(np->events & NVREG_IRQ_RECOVER_ERROR)) { + spin_lock_irqsave(&np->lock, flags); + if (!np->in_shutdown) { + np->nic_poll_irq = np->irqmask; + np->recover_error = 1; + mod_timer(&np->nic_poll, jiffies + POLL_WAIT); + } + spin_unlock_irqrestore(&np->lock, flags); + __napi_complete(napi); + return pkts; + } + if (pkts < budget) { - /* re-enable receive interrupts */ + /* re-enable interrupts + (msix not enabled in napi) */ spin_lock_irqsave(&np->lock, flags); __napi_complete(napi); - np->irqmask |= NVREG_IRQ_RX_ALL; - if (np->msi_flags & NV_MSI_X_ENABLED) - writel(NVREG_IRQ_RX_ALL, base + NvRegIrqMask); - else - writel(np->irqmask, base + NvRegIrqMask); + writel(np->irqmask, base + NvRegIrqMask); spin_unlock_irqrestore(&np->lock, flags); } |