Messages in this thread Patch in this message | | | Date | Mon, 11 Feb 2008 16:52:37 -0800 | From | Yinghai Lu <> | Subject | [PATCH] forcedeth: seperate handler for msix and normal int v2 |
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so we don't need to keep check np->msi_flags to see if NV_MSI_X_ENABLED is set in handler
Signed-off-by: Yinghai Lu <yinghai.lu@sun.com>
Index: linux-2.6/drivers/net/forcedeth.c =================================================================== --- linux-2.6.orig/drivers/net/forcedeth.c +++ linux-2.6/drivers/net/forcedeth.c @@ -2901,12 +2901,12 @@ static void nv_link_irq(struct net_device *dev) dprintk(KERN_DEBUG "%s: link change notification done.\n", dev->name); } -static irqreturn_t __nv_nic_irq(struct net_device *dev, bool optimized) +static inline irqreturn_t __nv_nic_irq(struct net_device *dev, bool optimized, + bool msix) { struct fe_priv *np = netdev_priv(dev); u8 __iomem *base = np->base; u32 events, updmask = 0; - bool msix = np->msi_flags & NV_MSI_X_ENABLED; dprintk(KERN_DEBUG "%s: __nv_nic_irq\n", dev->name); @@ -2984,16 +2984,26 @@ out: return IRQ_HANDLED; } -static irqreturn_t nv_nic_irq(int foo, void *data) +static irqreturn_t nv_nic_irq_msix(int foo, void *data) { struct net_device *dev = data; - return __nv_nic_irq(dev, false); + return __nv_nic_irq(dev, false, true); +} +static irqreturn_t nv_nic_irq_normal(int foo, void *data) +{ + struct net_device *dev = data; + return __nv_nic_irq(dev, false, false); } -static irqreturn_t nv_nic_irq_optimized(int foo, void *data) +static irqreturn_t nv_nic_irq_optimized_msix(int foo, void *data) { struct net_device *dev = data; - return __nv_nic_irq(dev, true); + return __nv_nic_irq(dev, true, true); +} +static irqreturn_t nv_nic_irq_optimized_normal(int foo, void *data) +{ + struct net_device *dev = data; + return __nv_nic_irq(dev, true, false); } static int nv_napi_poll(struct napi_struct *napi, int budget) @@ -3222,9 +3232,9 @@ static int nv_request_irq(struct net_device *dev, int intr_test) handler = nv_nic_irq_test; } else { if (nv_optimized(np)) - handler = nv_nic_irq_optimized; + handler = nv_nic_irq_optimized_normal; else - handler = nv_nic_irq; + handler = nv_nic_irq_normal; } if (np->msi_flags & NV_MSI_X_CAPABLE) { @@ -3262,6 +3272,10 @@ static int nv_request_irq(struct net_device *dev, int intr_test) set_msix_vector_map(dev, NV_MSI_X_VECTOR_TX, NVREG_IRQ_TX_ALL); set_msix_vector_map(dev, NV_MSI_X_VECTOR_OTHER, NVREG_IRQ_OTHER); } else { + if (nv_optimized(np)) + handler = nv_nic_irq_optimized_msix; + else + handler = nv_nic_irq_msix; /* Request irq for all interrupts */ if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector, handler, IRQF_SHARED, dev->name, dev) != 0) { printk(KERN_INFO "forcedeth: request_irq failed %d\n", ret); @@ -3403,14 +3417,19 @@ static void nv_reset_task(struct work_struct *work) pci_push(base); if (!using_multi_irqs(dev)) { - if (nv_optimized(np)) - nv_nic_irq_optimized(0, dev); - else - nv_nic_irq(0, dev); - if (np->msi_flags & NV_MSI_X_ENABLED) + if (np->msi_flags & NV_MSI_X_ENABLED) { + if (nv_optimized(np)) + nv_nic_irq_optimized_msix(0, dev); + else + nv_nic_irq_msix(0, dev); enable_irq_lockdep(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector); - else + } else { + if (nv_optimized(np)) + nv_nic_irq_optimized_normal(0, dev); + else + nv_nic_irq_normal(0, dev); enable_irq_lockdep(np->pci_dev->irq); + } } else { if (np->nic_poll_irq & NVREG_IRQ_RX_ALL) { nv_nic_irq_rx(0, dev);
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