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path: root/drivers/net/r8169.c
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Diffstat (limited to 'drivers/net/r8169.c')
-rw-r--r--drivers/net/r8169.c99
1 files changed, 53 insertions, 46 deletions
diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c
index c76dd29c8e9a..419c00cbe6e9 100644
--- a/drivers/net/r8169.c
+++ b/drivers/net/r8169.c
@@ -384,6 +384,7 @@ struct rtl8169_private {
void __iomem *mmio_addr; /* memory map physical address */
struct pci_dev *pci_dev; /* Index of PCI device */
struct net_device *dev;
+ struct napi_struct napi;
struct net_device_stats stats; /* statistics of net device */
spinlock_t lock; /* spin lock flag */
u32 msg_enable;
@@ -443,13 +444,13 @@ static void rtl_set_rx_mode(struct net_device *dev);
static void rtl8169_tx_timeout(struct net_device *dev);
static struct net_device_stats *rtl8169_get_stats(struct net_device *dev);
static int rtl8169_rx_interrupt(struct net_device *, struct rtl8169_private *,
- void __iomem *);
+ void __iomem *, u32 budget);
static int rtl8169_change_mtu(struct net_device *dev, int new_mtu);
static void rtl8169_down(struct net_device *dev);
static void rtl8169_rx_clear(struct rtl8169_private *tp);
#ifdef CONFIG_R8169_NAPI
-static int rtl8169_poll(struct net_device *dev, int *budget);
+static int rtl8169_poll(struct napi_struct *napi, int budget);
#endif
static const unsigned int rtl8169_rx_config =
@@ -976,24 +977,29 @@ static const char rtl8169_gstrings[][ETH_GSTRING_LEN] = {
};
struct rtl8169_counters {
- u64 tx_packets;
- u64 rx_packets;
- u64 tx_errors;
- u32 rx_errors;
- u16 rx_missed;
- u16 align_errors;
- u32 tx_one_collision;
- u32 tx_multi_collision;
- u64 rx_unicast;
- u64 rx_broadcast;
- u32 rx_multicast;
- u16 tx_aborted;
- u16 tx_underun;
+ __le64 tx_packets;
+ __le64 rx_packets;
+ __le64 tx_errors;
+ __le32 rx_errors;
+ __le16 rx_missed;
+ __le16 align_errors;
+ __le32 tx_one_collision;
+ __le32 tx_multi_collision;
+ __le64 rx_unicast;
+ __le64 rx_broadcast;
+ __le32 rx_multicast;
+ __le16 tx_aborted;
+ __le16 tx_underun;
};
-static int rtl8169_get_stats_count(struct net_device *dev)
+static int rtl8169_get_sset_count(struct net_device *dev, int sset)
{
- return ARRAY_SIZE(rtl8169_gstrings);
+ switch (sset) {
+ case ETH_SS_STATS:
+ return ARRAY_SIZE(rtl8169_gstrings);
+ default:
+ return -EOPNOTSUPP;
+ }
}
static void rtl8169_get_ethtool_stats(struct net_device *dev,
@@ -1060,17 +1066,14 @@ static const struct ethtool_ops rtl8169_ethtool_ops = {
.set_msglevel = rtl8169_set_msglevel,
.get_rx_csum = rtl8169_get_rx_csum,
.set_rx_csum = rtl8169_set_rx_csum,
- .get_tx_csum = ethtool_op_get_tx_csum,
.set_tx_csum = ethtool_op_set_tx_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_regs = rtl8169_get_regs,
.get_wol = rtl8169_get_wol,
.set_wol = rtl8169_set_wol,
.get_strings = rtl8169_get_strings,
- .get_stats_count = rtl8169_get_stats_count,
+ .get_sset_count = rtl8169_get_sset_count,
.get_ethtool_stats = rtl8169_get_ethtool_stats,
};
@@ -1505,7 +1508,6 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
goto out;
}
- SET_MODULE_OWNER(dev);
SET_NETDEV_DEV(dev, &pdev->dev);
tp = netdev_priv(dev);
tp->dev = dev;
@@ -1656,8 +1658,7 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
dev->set_mac_address = rtl_set_mac_address;
#ifdef CONFIG_R8169_NAPI
- dev->poll = rtl8169_poll;
- dev->weight = R8169_NAPI_WEIGHT;
+ netif_napi_add(dev, &tp->napi, rtl8169_poll, R8169_NAPI_WEIGHT);
#endif
#ifdef CONFIG_R8169_VLAN
@@ -1777,6 +1778,10 @@ static int rtl8169_open(struct net_device *dev)
if (retval < 0)
goto err_release_ring_2;
+#ifdef CONFIG_R8169_NAPI
+ napi_enable(&tp->napi);
+#endif
+
rtl_hw_start(dev);
rtl8169_request_timer(dev);
@@ -2082,7 +2087,9 @@ static int rtl8169_change_mtu(struct net_device *dev, int new_mtu)
if (ret < 0)
goto out;
- netif_poll_enable(dev);
+#ifdef CONFIG_R8169_NAPI
+ napi_enable(&tp->napi);
+#endif
rtl_hw_start(dev);
@@ -2274,11 +2281,15 @@ static void rtl8169_wait_for_quiescence(struct net_device *dev)
synchronize_irq(dev->irq);
/* Wait for any pending NAPI task to complete */
- netif_poll_disable(dev);
+#ifdef CONFIG_R8169_NAPI
+ napi_disable(&tp->napi);
+#endif
rtl8169_irq_mask_and_ack(ioaddr);
- netif_poll_enable(dev);
+#ifdef CONFIG_R8169_NAPI
+ napi_enable(&tp->napi);
+#endif
}
static void rtl8169_reinit_task(struct work_struct *work)
@@ -2322,7 +2333,7 @@ static void rtl8169_reset_task(struct work_struct *work)
rtl8169_wait_for_quiescence(dev);
- rtl8169_rx_interrupt(dev, tp, tp->mmio_addr);
+ rtl8169_rx_interrupt(dev, tp, tp->mmio_addr, ~(u32)0);
rtl8169_tx_clear(tp);
if (tp->dirty_rx == tp->cur_rx) {
@@ -2636,14 +2647,14 @@ out:
static int rtl8169_rx_interrupt(struct net_device *dev,
struct rtl8169_private *tp,
- void __iomem *ioaddr)
+ void __iomem *ioaddr, u32 budget)
{
unsigned int cur_rx, rx_left;
unsigned int delta, count;
cur_rx = tp->cur_rx;
rx_left = NUM_RX_DESC + tp->dirty_rx - cur_rx;
- rx_left = rtl8169_rx_quota(rx_left, (u32) dev->quota);
+ rx_left = rtl8169_rx_quota(rx_left, budget);
for (; rx_left > 0; rx_left--, cur_rx++) {
unsigned int entry = cur_rx % NUM_RX_DESC;
@@ -2792,8 +2803,8 @@ static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance)
RTL_W16(IntrMask, tp->intr_event & ~tp->napi_event);
tp->intr_mask = ~tp->napi_event;
- if (likely(netif_rx_schedule_prep(dev)))
- __netif_rx_schedule(dev);
+ if (likely(netif_rx_schedule_prep(dev, &tp->napi)))
+ __netif_rx_schedule(dev, &tp->napi);
else if (netif_msg_intr(tp)) {
printk(KERN_INFO "%s: interrupt %04x in poll\n",
dev->name, status);
@@ -2803,7 +2814,7 @@ static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance)
#else
/* Rx interrupt */
if (status & (RxOK | RxOverflow | RxFIFOOver))
- rtl8169_rx_interrupt(dev, tp, ioaddr);
+ rtl8169_rx_interrupt(dev, tp, ioaddr, ~(u32)0);
/* Tx interrupt */
if (status & (TxOK | TxErr))
@@ -2826,20 +2837,18 @@ out:
}
#ifdef CONFIG_R8169_NAPI
-static int rtl8169_poll(struct net_device *dev, int *budget)
+static int rtl8169_poll(struct napi_struct *napi, int budget)
{
- unsigned int work_done, work_to_do = min(*budget, dev->quota);
- struct rtl8169_private *tp = netdev_priv(dev);
+ struct rtl8169_private *tp = container_of(napi, struct rtl8169_private, napi);
+ struct net_device *dev = tp->dev;
void __iomem *ioaddr = tp->mmio_addr;
+ int work_done;
- work_done = rtl8169_rx_interrupt(dev, tp, ioaddr);
+ work_done = rtl8169_rx_interrupt(dev, tp, ioaddr, (u32) budget);
rtl8169_tx_interrupt(dev, tp, ioaddr);
- *budget -= work_done;
- dev->quota -= work_done;
-
- if (work_done < work_to_do) {
- netif_rx_complete(dev);
+ if (work_done < budget) {
+ netif_rx_complete(dev, napi);
tp->intr_mask = 0xffff;
/*
* 20040426: the barrier is not strictly required but the
@@ -2851,7 +2860,7 @@ static int rtl8169_poll(struct net_device *dev, int *budget)
RTL_W16(IntrMask, tp->intr_event);
}
- return (work_done >= work_to_do);
+ return work_done;
}
#endif
@@ -2880,7 +2889,7 @@ core_down:
synchronize_irq(dev->irq);
if (!poll_locked) {
- netif_poll_disable(dev);
+ napi_disable(&tp->napi);
poll_locked++;
}
@@ -2918,8 +2927,6 @@ static int rtl8169_close(struct net_device *dev)
free_irq(dev->irq, dev);
- netif_poll_enable(dev);
-
pci_free_consistent(pdev, R8169_RX_RING_BYTES, tp->RxDescArray,
tp->RxPhyAddr);
pci_free_consistent(pdev, R8169_TX_RING_BYTES, tp->TxDescArray,
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-25 06:44:45 +0300