#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_write_phy(struct amd8111e_priv* lp,int phy_id, int reg, u32 val)
{
- unsigned int repeat = REPEAT_CNT
+ unsigned int repeat = REPEAT_CNT;
void __iomem *mmio = lp->mmio;
unsigned int reg_val;
*/
static void amd8111e_free_ring(struct amd8111e_priv* lp)
{
-
- /* Free transmit and receive skbs */
- amd8111e_free_skbs(lp->amd8111e_net_dev);
-
/* Free transmit and receive descriptor rings */
if(lp->rx_ring){
pci_free_consistent(lp->pci_dev,
*/
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{
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);
- skb->dev = dev;
lp->rx_skbuff[rx_index] = new_skb;
- new_skb->dev = dev;
lp->rx_dma_addr[rx_index] = pci_map_single(lp->pci_dev,
new_skb->data,
lp->rx_buff_len-2,
lp->coal_conf.rx_packets++;
lp->coal_conf.rx_bytes += pkt_len;
num_rx_pkt++;
- dev->last_rx = jiffies;
err_next_pkt:
lp->rx_ring[rx_index].buff_phy_addr
} 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);
- writel(VAL0|RINTEN0, mmio + INTEN0);
- writel(VAL2 | RDMD0, mmio + CMD0);
- spin_unlock_irqrestore(&lp->lock, flags);
- return 0;
+ if (rx_pkt_limit > 0) {
+ /* Receive descriptor is empty now */
+ spin_lock_irqsave(&lp->lock, flags);
+ __napi_complete(napi);
+ writel(VAL0|RINTEN0, mmio + INTEN0);
+ writel(VAL2 | RDMD0, mmio + CMD0);
+ spin_unlock_irqrestore(&lp->lock, flags);
+ }
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);
- skb->dev = dev;
- lp->rx_skbuff[rx_index] = new_skb;
- new_skb->dev = dev;
- 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)
/*
This is device interrupt function. It handles transmit, receive,link change and hardware timer interrupts.
*/
-static irqreturn_t amd8111e_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t amd8111e_interrupt(int irq, void *dev_id)
{
struct net_device * dev = (struct net_device *) dev_id;
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 (napi_schedule_prep(&lp->napi)) {
/* Disable receive interupts */
writel(RINTEN0, mmio + INTEN0);
/* Schedule a polling routine */
- __netif_rx_schedule(dev);
- }
- else if (intren0 & RINTEN0) {
+ __napi_schedule(&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. */
static void amd8111e_poll(struct net_device *dev)
{
unsigned long flags;
- local_save_flags(flags);
- local_irq_disable();
- amd8111e_interrupt(0, dev, NULL);
+ local_irq_save(flags);
+ amd8111e_interrupt(0, dev);
local_irq_restore(flags);
}
#endif
struct amd8111e_priv *lp = netdev_priv(dev);
netif_stop_queue(dev);
+ napi_disable(&lp->napi);
+
spin_lock_irq(&lp->lock);
amd8111e_disable_interrupt(lp);
amd8111e_stop_chip(lp);
- amd8111e_free_ring(lp);
+
+ /* Free transmit and receive skbs */
+ amd8111e_free_skbs(lp->amd8111e_net_dev);
netif_carrier_off(lp->amd8111e_net_dev);
spin_unlock_irq(&lp->lock);
free_irq(dev->irq, dev);
+ amd8111e_free_ring(lp);
/* Update the statistics before closing */
amd8111e_get_stats(dev);
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();
buf[12] = readl(mmio + STAT0);
}
-/*
-amd8111e crc generator implementation is different from the kernel
-ether_crc() function.
-*/
-static int amd8111e_ether_crc(int len, char* mac_addr)
-{
- int i,byte;
- unsigned char octet;
- u32 crc= INITCRC;
-
- for(byte=0; byte < len; byte++){
- octet = mac_addr[byte];
- for( i=0;i < 8; i++){
- /*If the next bit form the input stream is 1,subtract the divisor (CRC32) from the dividend(crc).*/
- if( (octet & 0x1) ^ (crc & 0x1) ){
- crc >>= 1;
- crc ^= CRC32;
- }
- else
- crc >>= 1;
- octet >>= 1;
- }
- }
- return crc;
-}
/*
This function sets promiscuos mode, all-multi mode or the multicast address
list to the device.
mc_filter[1] = mc_filter[0] = 0;
for (i = 0, mc_ptr = dev->mc_list; mc_ptr && i < dev->mc_count;
i++, mc_ptr = mc_ptr->next) {
- bit_num = ( amd8111e_ether_crc(ETH_ALEN,mc_ptr->dmi_addr) >> 26 ) & 0x3f;
+ bit_num = (ether_crc_le(ETH_ALEN, mc_ptr->dmi_addr) >> 26) & 0x3f;
mc_filter[bit_num >> 5] |= 1 << (bit_num & 31);
}
amd8111e_writeq(*(u64*)mc_filter,lp->mmio+ LADRF);
lp->vlgrp = grp;
spin_unlock_irq(&lp->lock);
}
-
-static void amd8111e_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid)
-{
- struct amd8111e_priv *lp = netdev_priv(dev);
- spin_lock_irq(&lp->lock);
- if (lp->vlgrp)
- lp->vlgrp->vlan_devices[vid] = NULL;
- spin_unlock_irq(&lp->lock);
-}
#endif
+
static int amd8111e_enable_magicpkt(struct amd8111e_priv* lp)
{
writel( VAL1|MPPLBA, lp->mmio + CMD3);
lp->ext_phy_addr = 1;
}
+static const struct net_device_ops amd8111e_netdev_ops = {
+ .ndo_open = amd8111e_open,
+ .ndo_stop = amd8111e_close,
+ .ndo_start_xmit = amd8111e_start_xmit,
+ .ndo_tx_timeout = amd8111e_tx_timeout,
+ .ndo_get_stats = amd8111e_get_stats,
+ .ndo_set_multicast_list = amd8111e_set_multicast_list,
+ .ndo_validate_addr = eth_validate_addr,
+ .ndo_set_mac_address = amd8111e_set_mac_address,
+ .ndo_do_ioctl = amd8111e_ioctl,
+ .ndo_change_mtu = amd8111e_change_mtu,
+#if AMD8111E_VLAN_TAG_USED
+ .ndo_vlan_rx_register = amd8111e_vlan_rx_register,
+#endif
+#ifdef CONFIG_NET_POLL_CONTROLLER
+ .ndo_poll_controller = amd8111e_poll,
+#endif
+};
+
static int __devinit amd8111e_probe_one(struct pci_dev *pdev,
const struct pci_device_id *ent)
{
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;
}
/* Initialize DMA */
- if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) < 0) {
+ if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) < 0) {
printk(KERN_ERR "amd8111e: DMA not supported,"
"exiting.\n");
goto err_free_reg;
goto err_free_reg;
}
- SET_MODULE_OWNER(dev);
SET_NETDEV_DEV(dev, &pdev->dev);
#if AMD8111E_VLAN_TAG_USED
dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX ;
- dev->vlan_rx_register =amd8111e_vlan_rx_register;
- dev->vlan_rx_kill_vid = amd8111e_vlan_rx_kill_vid;
#endif
lp = netdev_priv(dev);
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];
if(dynamic_ipg[card_idx++])
lp->options |= OPTION_DYN_IPG_ENABLE;
+
/* Initialize driver entry points */
- dev->open = amd8111e_open;
- dev->hard_start_xmit = amd8111e_start_xmit;
- dev->stop = amd8111e_close;
- dev->get_stats = amd8111e_get_stats;
- dev->set_multicast_list = amd8111e_set_multicast_list;
- dev->set_mac_address = amd8111e_set_mac_address;
- dev->do_ioctl = amd8111e_ioctl;
- dev->change_mtu = amd8111e_change_mtu;
+ dev->netdev_ops = &amd8111e_netdev_ops;
SET_ETHTOOL_OPS(dev, &ops);
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
-#ifdef CONFIG_NET_POLL_CONTROLLER
- dev->poll_controller = amd8111e_poll;
-#endif
+ netif_napi_add(dev, &lp->napi, amd8111e_rx_poll, 32);
#if AMD8111E_VLAN_TAG_USED
dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
- dev->vlan_rx_register =amd8111e_vlan_rx_register;
- dev->vlan_rx_kill_vid = amd8111e_vlan_rx_kill_vid;
#endif
/* Probe the external PHY */
amd8111e_probe_ext_phy(dev);
/* 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 %pM\n",
+ dev->name, chip_version, 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);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff