#include "amd8111e.h"
#define MODULE_NAME "amd8111e"
-#define MODULE_VERS "3.0.6"
+#define MODULE_VERS "3.0.7"
MODULE_AUTHOR("Advanced Micro Devices, Inc.");
-MODULE_DESCRIPTION ("AMD8111 based 10/100 Ethernet Controller. Driver Version 3.0.6");
+MODULE_DESCRIPTION ("AMD8111 based 10/100 Ethernet Controller. Driver Version "MODULE_VERS);
MODULE_LICENSE("GPL");
MODULE_DEVICE_TABLE(pci, amd8111e_pci_tbl);
module_param_array(speed_duplex, int, NULL, 0);
*/
static int amd8111e_vlan_rx(struct amd8111e_priv *lp, struct sk_buff *skb, u16 vlan_tag)
{
-#ifdef CONFIG_AMD8111E_NAPI
return vlan_hwaccel_receive_skb(skb, lp->vlgrp,vlan_tag);
-#else
- return vlan_hwaccel_rx(skb, lp->vlgrp, vlan_tag);
-#endif /* CONFIG_AMD8111E_NAPI */
}
#endif
lp->tx_complete_idx++;
/*COAL update tx coalescing parameters */
lp->coal_conf.tx_packets++;
- lp->coal_conf.tx_bytes += lp->tx_ring[tx_index].buff_count;
+ lp->coal_conf.tx_bytes +=
+ le16_to_cpu(lp->tx_ring[tx_index].buff_count);
if (netif_queue_stopped(dev) &&
lp->tx_complete_idx > lp->tx_idx - NUM_TX_BUFFERS +2){
return 0;
}
-#ifdef CONFIG_AMD8111E_NAPI
/* This function handles the driver receive operation in polling mode */
-static int amd8111e_rx_poll(struct net_device *dev, int * budget)
+static int amd8111e_rx_poll(struct napi_struct *napi, int budget)
{
- struct amd8111e_priv *lp = netdev_priv(dev);
+ struct amd8111e_priv *lp = container_of(napi, struct amd8111e_priv, napi);
+ struct net_device *dev = lp->amd8111e_net_dev;
int rx_index = lp->rx_idx & RX_RING_DR_MOD_MASK;
void __iomem *mmio = lp->mmio;
struct sk_buff *skb,*new_skb;
int min_pkt_len, status;
unsigned int intr0;
int num_rx_pkt = 0;
- /*int max_rx_pkt = NUM_RX_BUFFERS;*/
short pkt_len;
#if AMD8111E_VLAN_TAG_USED
short vtag;
#endif
- int rx_pkt_limit = dev->quota;
+ int rx_pkt_limit = budget;
unsigned long flags;
do{
} while(intr0 & RINT0);
/* Receive descriptor is empty now */
- dev->quota -= num_rx_pkt;
- *budget -= num_rx_pkt;
-
spin_lock_irqsave(&lp->lock, flags);
- netif_rx_complete(dev);
+ __netif_rx_complete(dev, napi);
writel(VAL0|RINTEN0, mmio + INTEN0);
writel(VAL2 | RDMD0, mmio + CMD0);
spin_unlock_irqrestore(&lp->lock, flags);
- return 0;
rx_not_empty:
- /* Do not call a netif_rx_complete */
- dev->quota -= num_rx_pkt;
- *budget -= num_rx_pkt;
- return 1;
+ return num_rx_pkt;
}
-#else
-/*
-This function will check the ownership of receive buffers and descriptors. It will indicate to kernel up to half the number of maximum receive buffers in the descriptor ring, in a single receive interrupt. It will also replenish the descriptors with new skbs.
-*/
-static int amd8111e_rx(struct net_device *dev)
-{
- struct amd8111e_priv *lp = netdev_priv(dev);
- struct sk_buff *skb,*new_skb;
- int rx_index = lp->rx_idx & RX_RING_DR_MOD_MASK;
- int min_pkt_len, status;
- int num_rx_pkt = 0;
- int max_rx_pkt = NUM_RX_BUFFERS;
- short pkt_len;
-#if AMD8111E_VLAN_TAG_USED
- short vtag;
-#endif
-
- /* If we own the next entry, it's a new packet. Send it up. */
- while(++num_rx_pkt <= max_rx_pkt){
- status = le16_to_cpu(lp->rx_ring[rx_index].rx_flags);
- if(status & OWN_BIT)
- return 0;
-
- /* check if err summary bit is set */
- if(status & ERR_BIT){
- /*
- * There is a tricky error noted by John Murphy,
- * <murf@perftech.com> to Russ Nelson: Even with full-sized
- * buffers it's possible for a jabber packet to use two
- * buffers, with only the last correctly noting the error. */
- /* reseting flags */
- lp->rx_ring[rx_index].rx_flags &= RESET_RX_FLAGS;
- goto err_next_pkt;
- }
- /* check for STP and ENP */
- if(!((status & STP_BIT) && (status & ENP_BIT))){
- /* reseting flags */
- lp->rx_ring[rx_index].rx_flags &= RESET_RX_FLAGS;
- goto err_next_pkt;
- }
- pkt_len = le16_to_cpu(lp->rx_ring[rx_index].msg_count) - 4;
-
-#if AMD8111E_VLAN_TAG_USED
- vtag = status & TT_MASK;
- /*MAC will strip vlan tag*/
- if(lp->vlgrp != NULL && vtag !=0)
- min_pkt_len =MIN_PKT_LEN - 4;
- else
-#endif
- min_pkt_len =MIN_PKT_LEN;
-
- if (pkt_len < min_pkt_len) {
- lp->rx_ring[rx_index].rx_flags &= RESET_RX_FLAGS;
- lp->drv_rx_errors++;
- goto err_next_pkt;
- }
- if(!(new_skb = dev_alloc_skb(lp->rx_buff_len))){
- /* if allocation fail,
- ignore that pkt and go to next one */
- lp->rx_ring[rx_index].rx_flags &= RESET_RX_FLAGS;
- lp->drv_rx_errors++;
- goto err_next_pkt;
- }
-
- skb_reserve(new_skb, 2);
- skb = lp->rx_skbuff[rx_index];
- pci_unmap_single(lp->pci_dev,lp->rx_dma_addr[rx_index],
- lp->rx_buff_len-2, PCI_DMA_FROMDEVICE);
- skb_put(skb, pkt_len);
- lp->rx_skbuff[rx_index] = new_skb;
- lp->rx_dma_addr[rx_index] = pci_map_single(lp->pci_dev,
- new_skb->data, lp->rx_buff_len-2,PCI_DMA_FROMDEVICE);
-
- skb->protocol = eth_type_trans(skb, dev);
-
-#if AMD8111E_VLAN_TAG_USED
- if(lp->vlgrp != NULL && (vtag == TT_VLAN_TAGGED)){
- amd8111e_vlan_rx(lp, skb,
- le16_to_cpu(lp->rx_ring[rx_index].tag_ctrl_info));
- } else
-#endif
-
- netif_rx (skb);
- /*COAL update rx coalescing parameters*/
- lp->coal_conf.rx_packets++;
- lp->coal_conf.rx_bytes += pkt_len;
-
- dev->last_rx = jiffies;
-
-err_next_pkt:
- lp->rx_ring[rx_index].buff_phy_addr
- = cpu_to_le32(lp->rx_dma_addr[rx_index]);
- lp->rx_ring[rx_index].buff_count =
- cpu_to_le16(lp->rx_buff_len-2);
- wmb();
- lp->rx_ring[rx_index].rx_flags |= cpu_to_le16(OWN_BIT);
- rx_index = (++lp->rx_idx) & RX_RING_DR_MOD_MASK;
- }
-
- return 0;
-}
-#endif /* CONFIG_AMD8111E_NAPI */
/*
This function will indicate the link status to the kernel.
*/
return new_stats;
}
-/* This function recalculate the interupt coalescing mode on every interrupt
+/* This function recalculate the interrupt coalescing mode on every interrupt
according to the datarate and the packet rate.
*/
static int amd8111e_calc_coalesce(struct net_device *dev)
writel(intr0, mmio + INT0);
/* Check if Receive Interrupt has occurred. */
-#ifdef CONFIG_AMD8111E_NAPI
- if(intr0 & RINT0){
- if(netif_rx_schedule_prep(dev)){
+ if (intr0 & RINT0) {
+ if (netif_rx_schedule_prep(dev, &lp->napi)) {
/* Disable receive interupts */
writel(RINTEN0, mmio + INTEN0);
/* Schedule a polling routine */
- __netif_rx_schedule(dev);
- }
- else if (intren0 & RINTEN0) {
+ __netif_rx_schedule(dev, &lp->napi);
+ } else if (intren0 & RINTEN0) {
printk("************Driver bug! \
interrupt while in poll\n");
/* Fix by disable receive interrupts */
writel(RINTEN0, mmio + INTEN0);
}
}
-#else
- if(intr0 & RINT0){
- amd8111e_rx(dev);
- writel(VAL2 | RDMD0, mmio + CMD0);
- }
-#endif /* CONFIG_AMD8111E_NAPI */
+
/* Check if Transmit Interrupt has occurred. */
- if(intr0 & TINT0)
+ if (intr0 & TINT0)
amd8111e_tx(dev);
/* Check if Link Change Interrupt has occurred. */
struct amd8111e_priv *lp = netdev_priv(dev);
netif_stop_queue(dev);
+ napi_disable(&lp->napi);
+
spin_lock_irq(&lp->lock);
amd8111e_disable_interrupt(lp);
dev->name, dev))
return -EAGAIN;
+ napi_enable(&lp->napi);
+
spin_lock_irq(&lp->lock);
amd8111e_init_hw_default(lp);
if(amd8111e_restart(dev)){
spin_unlock_irq(&lp->lock);
+ napi_disable(&lp->napi);
if (dev->irq)
free_irq(dev->irq, dev);
return -ENOMEM;
static int amd8111e_tx_queue_avail(struct amd8111e_priv* lp )
{
int tx_index = lp->tx_idx & TX_BUFF_MOD_MASK;
- if(lp->tx_skbuff[tx_index] != 0)
+ if (lp->tx_skbuff[tx_index])
return -1;
else
return 0;
lp->tx_dma_addr[tx_index] =
pci_map_single(lp->pci_dev, skb->data, skb->len, PCI_DMA_TODEVICE);
lp->tx_ring[tx_index].buff_phy_addr =
- (u32) cpu_to_le32(lp->tx_dma_addr[tx_index]);
+ cpu_to_le32(lp->tx_dma_addr[tx_index]);
/* Set FCS and LTINT bits */
wmb();
unsigned long reg_addr,reg_len;
struct amd8111e_priv* lp;
struct net_device* dev;
+ DECLARE_MAC_BUF(mac);
err = pci_enable_device(pdev);
if(err){
- printk(KERN_ERR "amd8111e: Cannot enable new PCI device,"
+ printk(KERN_ERR "amd8111e: Cannot enable new PCI device, "
"exiting.\n");
return err;
}
if(!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)){
- printk(KERN_ERR "amd8111e: Cannot find PCI base address"
+ printk(KERN_ERR "amd8111e: Cannot find PCI base address, "
"exiting.\n");
err = -ENODEV;
goto err_disable_pdev;
goto err_free_reg;
}
- SET_MODULE_OWNER(dev);
SET_NETDEV_DEV(dev, &pdev->dev);
#if AMD8111E_VLAN_TAG_USED
spin_lock_init(&lp->lock);
lp->mmio = ioremap(reg_addr, reg_len);
- if (lp->mmio == 0) {
+ if (!lp->mmio) {
printk(KERN_ERR "amd8111e: Cannot map device registers, "
"exiting\n");
err = -ENOMEM;
/* Initializing MAC address */
for(i = 0; i < ETH_ADDR_LEN; i++)
- dev->dev_addr[i] =readb(lp->mmio + PADR + i);
+ dev->dev_addr[i] = readb(lp->mmio + PADR + i);
/* Setting user defined parametrs */
lp->ext_phy_option = speed_duplex[card_idx];
dev->irq =pdev->irq;
dev->tx_timeout = amd8111e_tx_timeout;
dev->watchdog_timeo = AMD8111E_TX_TIMEOUT;
-#ifdef CONFIG_AMD8111E_NAPI
- dev->poll = amd8111e_rx_poll;
- dev->weight = 32;
-#endif
+ netif_napi_add(dev, &lp->napi, amd8111e_rx_poll, 32);
#ifdef CONFIG_NET_POLL_CONTROLLER
dev->poll_controller = amd8111e_poll;
#endif
/* display driver and device information */
chip_version = (readl(lp->mmio + CHIPID) & 0xf0000000)>>28;
- printk(KERN_INFO "%s: AMD-8111e Driver Version: %s\n", dev->name,MODULE_VERS);
- printk(KERN_INFO "%s: [ Rev %x ] PCI 10/100BaseT Ethernet ", dev->name, chip_version);
- for (i = 0; i < 6; i++)
- printk("%2.2x%c",dev->dev_addr[i],i == 5 ? ' ' : ':');
- printk( "\n");
+ printk(KERN_INFO "%s: AMD-8111e Driver Version: %s\n",
+ dev->name,MODULE_VERS);
+ printk(KERN_INFO "%s: [ Rev %x ] PCI 10/100BaseT Ethernet %s\n",
+ dev->name, chip_version, print_mac(mac, dev->dev_addr));
if (lp->ext_phy_id)
printk(KERN_INFO "%s: Found MII PHY ID 0x%08x at address 0x%02x\n",
dev->name, lp->ext_phy_id, lp->ext_phy_addr);