/*******************************************************************************
Intel PRO/10GbE Linux driver
- Copyright(c) 1999 - 2006 Intel Corporation.
+ Copyright(c) 1999 - 2008 Intel Corporation.
This program is free software; you can redistribute it and/or modify it
under the terms and conditions of the GNU General Public License,
char ixgb_driver_name[] = "ixgb";
static char ixgb_driver_string[] = "Intel(R) PRO/10GbE Network Driver";
-#ifndef CONFIG_IXGB_NAPI
-#define DRIVERNAPI
-#else
#define DRIVERNAPI "-NAPI"
-#endif
-#define DRV_VERSION "1.0.126-k4"DRIVERNAPI
+#define DRV_VERSION "1.0.135-k2" DRIVERNAPI
const char ixgb_driver_version[] = DRV_VERSION;
-static const char ixgb_copyright[] = "Copyright (c) 1999-2006 Intel Corporation.";
+static const char ixgb_copyright[] = "Copyright (c) 1999-2008 Intel Corporation.";
#define IXGB_CB_LENGTH 256
static unsigned int copybreak __read_mostly = IXGB_CB_LENGTH;
static irqreturn_t ixgb_intr(int irq, void *data);
static bool ixgb_clean_tx_irq(struct ixgb_adapter *adapter);
-#ifdef CONFIG_IXGB_NAPI
static int ixgb_clean(struct napi_struct *, int);
static bool ixgb_clean_rx_irq(struct ixgb_adapter *, int *, int);
-#else
-static bool ixgb_clean_rx_irq(struct ixgb_adapter *);
-#endif
static void ixgb_alloc_rx_buffers(struct ixgb_adapter *, int);
static void ixgb_tx_timeout(struct net_device *dev);
clear_bit(__IXGB_DOWN, &adapter->flags);
-#ifdef CONFIG_IXGB_NAPI
napi_enable(&adapter->napi);
-#endif
ixgb_irq_enable(adapter);
mod_timer(&adapter->watchdog_timer, jiffies);
/* prevent the interrupt handler from restarting watchdog */
set_bit(__IXGB_DOWN, &adapter->flags);
-#ifdef CONFIG_IXGB_NAPI
napi_disable(&adapter->napi);
-#endif
/* waiting for NAPI to complete can re-enable interrupts */
ixgb_irq_disable(adapter);
free_irq(adapter->pdev->irq, netdev);
ixgb_set_ethtool_ops(netdev);
netdev->tx_timeout = &ixgb_tx_timeout;
netdev->watchdog_timeo = 5 * HZ;
-#ifdef CONFIG_IXGB_NAPI
netif_napi_add(netdev, &adapter->napi, ixgb_clean, 64);
-#endif
netdev->vlan_rx_register = ixgb_vlan_rx_register;
netdev->vlan_rx_add_vid = ixgb_vlan_rx_add_vid;
netdev->vlan_rx_kill_vid = ixgb_vlan_rx_kill_vid;
pci_unmap_page(pdev, buffer_info->dma, buffer_info->length,
PCI_DMA_TODEVICE);
+ /* okay to call kfree_skb here instead of kfree_skb_any because
+ * this is never called in interrupt context */
if (buffer_info->skb)
- dev_kfree_skb_any(buffer_info->skb);
+ dev_kfree_skb(buffer_info->skb);
buffer_info->skb = NULL;
buffer_info->dma = 0;
if (netdev->flags & IFF_PROMISC) {
rctl |= (IXGB_RCTL_UPE | IXGB_RCTL_MPE);
- } else if (netdev->flags & IFF_ALLMULTI) {
- rctl |= IXGB_RCTL_MPE;
- rctl &= ~IXGB_RCTL_UPE;
+ rctl &= ~IXGB_RCTL_VFE;
} else {
- rctl &= ~(IXGB_RCTL_UPE | IXGB_RCTL_MPE);
+ if (netdev->flags & IFF_ALLMULTI) {
+ rctl |= IXGB_RCTL_MPE;
+ rctl &= ~IXGB_RCTL_UPE;
+ } else {
+ rctl &= ~(IXGB_RCTL_UPE | IXGB_RCTL_MPE);
+ }
+ rctl |= IXGB_RCTL_VFE;
}
if (netdev->mc_count > IXGB_MAX_NUM_MULTICAST_ADDRESSES) {
}
if (skb->len <= 0) {
- dev_kfree_skb_any(skb);
+ dev_kfree_skb(skb);
return 0;
}
tso = ixgb_tso(adapter, skb);
if (tso < 0) {
- dev_kfree_skb_any(skb);
+ dev_kfree_skb(skb);
return NETDEV_TX_OK;
}
struct ixgb_adapter *adapter = netdev_priv(netdev);
struct ixgb_hw *hw = &adapter->hw;
u32 icr = IXGB_READ_REG(hw, ICR);
-#ifndef CONFIG_IXGB_NAPI
- unsigned int i;
-#endif
if (unlikely(!icr))
return IRQ_NONE; /* Not our interrupt */
if (!test_bit(__IXGB_DOWN, &adapter->flags))
mod_timer(&adapter->watchdog_timer, jiffies);
-#ifdef CONFIG_IXGB_NAPI
if (netif_rx_schedule_prep(netdev, &adapter->napi)) {
/* Disable interrupts and register for poll. The flush
IXGB_WRITE_REG(&adapter->hw, IMC, ~0);
__netif_rx_schedule(netdev, &adapter->napi);
}
-#else
- /* yes, that is actually a & and it is meant to make sure that
- * every pass through this for loop checks both receive and
- * transmit queues for completed descriptors, intended to
- * avoid starvation issues and assist tx/rx fairness. */
- for (i = 0; i < IXGB_MAX_INTR; i++)
- if (!ixgb_clean_rx_irq(adapter) &
- !ixgb_clean_tx_irq(adapter))
- break;
-#endif
return IRQ_HANDLED;
}
-#ifdef CONFIG_IXGB_NAPI
/**
* ixgb_clean - NAPI Rx polling callback
* @adapter: board private structure
return work_done;
}
-#endif
/**
* ixgb_clean_tx_irq - Reclaim resources after transmit completes
**/
static bool
-#ifdef CONFIG_IXGB_NAPI
ixgb_clean_rx_irq(struct ixgb_adapter *adapter, int *work_done, int work_to_do)
-#else
-ixgb_clean_rx_irq(struct ixgb_adapter *adapter)
-#endif
{
struct ixgb_desc_ring *rx_ring = &adapter->rx_ring;
struct net_device *netdev = adapter->netdev;
struct sk_buff *skb;
u8 status;
-#ifdef CONFIG_IXGB_NAPI
if (*work_done >= work_to_do)
break;
(*work_done)++;
-#endif
status = rx_desc->status;
skb = buffer_info->skb;
buffer_info->skb = NULL;
ixgb_rx_checksum(adapter, rx_desc, skb);
skb->protocol = eth_type_trans(skb, netdev);
-#ifdef CONFIG_IXGB_NAPI
if (adapter->vlgrp && (status & IXGB_RX_DESC_STATUS_VP)) {
vlan_hwaccel_receive_skb(skb, adapter->vlgrp,
le16_to_cpu(rx_desc->special));
} else {
netif_receive_skb(skb);
}
-#else /* CONFIG_IXGB_NAPI */
- if (adapter->vlgrp && (status & IXGB_RX_DESC_STATUS_VP)) {
- vlan_hwaccel_rx(skb, adapter->vlgrp,
- le16_to_cpu(rx_desc->special));
- } else {
- netif_rx(skb);
- }
-#endif /* CONFIG_IXGB_NAPI */
netdev->last_rx = jiffies;
rxdesc_done:
/* enable VLAN receive filtering */
rctl = IXGB_READ_REG(&adapter->hw, RCTL);
- rctl |= IXGB_RCTL_VFE;
rctl &= ~IXGB_RCTL_CFIEN;
IXGB_WRITE_REG(&adapter->hw, RCTL, rctl);
} else {
ctrl = IXGB_READ_REG(&adapter->hw, CTRL0);
ctrl &= ~IXGB_CTRL0_VME;
IXGB_WRITE_REG(&adapter->hw, CTRL0, ctrl);
-
- /* disable VLAN filtering */
-
- rctl = IXGB_READ_REG(&adapter->hw, RCTL);
- rctl &= ~IXGB_RCTL_VFE;
- IXGB_WRITE_REG(&adapter->hw, RCTL, rctl);
}
/* don't enable interrupts unless we are UP */
projects / linux-2.6 / blobdiff