diff options
Diffstat (limited to 'drivers/net/dl2k.c')
| -rw-r--r-- | drivers/net/dl2k.c | 1824 |
1 files changed, 0 insertions, 1824 deletions
diff --git a/drivers/net/dl2k.c b/drivers/net/dl2k.c deleted file mode 100644 index ed73e4a93508..000000000000 --- a/drivers/net/dl2k.c +++ /dev/null @@ -1,1824 +0,0 @@ -/* D-Link DL2000-based Gigabit Ethernet Adapter Linux driver */ -/* - Copyright (c) 2001, 2002 by D-Link Corporation - Written by Edward Peng.<edward_peng@dlink.com.tw> - Created 03-May-2001, base on Linux' sundance.c. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. -*/ - -#define DRV_NAME "DL2000/TC902x-based linux driver" -#define DRV_VERSION "v1.19" -#define DRV_RELDATE "2007/08/12" -#include "dl2k.h" -#include <linux/dma-mapping.h> - -static char version[] __devinitdata = - KERN_INFO DRV_NAME " " DRV_VERSION " " DRV_RELDATE "\n"; -#define MAX_UNITS 8 -static int mtu[MAX_UNITS]; -static int vlan[MAX_UNITS]; -static int jumbo[MAX_UNITS]; -static char *media[MAX_UNITS]; -static int tx_flow=-1; -static int rx_flow=-1; -static int copy_thresh; -static int rx_coalesce=10; /* Rx frame count each interrupt */ -static int rx_timeout=200; /* Rx DMA wait time in 640ns increments */ -static int tx_coalesce=16; /* HW xmit count each TxDMAComplete */ - - -MODULE_AUTHOR ("Edward Peng"); -MODULE_DESCRIPTION ("D-Link DL2000-based Gigabit Ethernet Adapter"); -MODULE_LICENSE("GPL"); -module_param_array(mtu, int, NULL, 0); -module_param_array(media, charp, NULL, 0); -module_param_array(vlan, int, NULL, 0); -module_param_array(jumbo, int, NULL, 0); -module_param(tx_flow, int, 0); -module_param(rx_flow, int, 0); -module_param(copy_thresh, int, 0); -module_param(rx_coalesce, int, 0); /* Rx frame count each interrupt */ -module_param(rx_timeout, int, 0); /* Rx DMA wait time in 64ns increments */ -module_param(tx_coalesce, int, 0); /* HW xmit count each TxDMAComplete */ - - -/* Enable the default interrupts */ -#define DEFAULT_INTR (RxDMAComplete | HostError | IntRequested | TxDMAComplete| \ - UpdateStats | LinkEvent) -#define EnableInt() \ -writew(DEFAULT_INTR, ioaddr + IntEnable) - -static const int max_intrloop = 50; -static const int multicast_filter_limit = 0x40; - -static int rio_open (struct net_device *dev); -static void rio_timer (unsigned long data); -static void rio_tx_timeout (struct net_device *dev); -static void alloc_list (struct net_device *dev); -static netdev_tx_t start_xmit (struct sk_buff *skb, struct net_device *dev); -static irqreturn_t rio_interrupt (int irq, void *dev_instance); -static void rio_free_tx (struct net_device *dev, int irq); -static void tx_error (struct net_device *dev, int tx_status); -static int receive_packet (struct net_device *dev); -static void rio_error (struct net_device *dev, int int_status); -static int change_mtu (struct net_device *dev, int new_mtu); -static void set_multicast (struct net_device *dev); -static struct net_device_stats *get_stats (struct net_device *dev); -static int clear_stats (struct net_device *dev); -static int rio_ioctl (struct net_device *dev, struct ifreq *rq, int cmd); -static int rio_close (struct net_device *dev); -static int find_miiphy (struct net_device *dev); -static int parse_eeprom (struct net_device *dev); -static int read_eeprom (long ioaddr, int eep_addr); -static int mii_wait_link (struct net_device *dev, int wait); -static int mii_set_media (struct net_device *dev); -static int mii_get_media (struct net_device *dev); -static int mii_set_media_pcs (struct net_device *dev); -static int mii_get_media_pcs (struct net_device *dev); -static int mii_read (struct net_device *dev, int phy_addr, int reg_num); -static int mii_write (struct net_device *dev, int phy_addr, int reg_num, - u16 data); - -static const struct ethtool_ops ethtool_ops; - -static const struct net_device_ops netdev_ops = { - .ndo_open = rio_open, - .ndo_start_xmit = start_xmit, - .ndo_stop = rio_close, - .ndo_get_stats = get_stats, - .ndo_validate_addr = eth_validate_addr, - .ndo_set_mac_address = eth_mac_addr, - .ndo_set_multicast_list = set_multicast, - .ndo_do_ioctl = rio_ioctl, - .ndo_tx_timeout = rio_tx_timeout, - .ndo_change_mtu = change_mtu, -}; - -static int __devinit -rio_probe1 (struct pci_dev *pdev, const struct pci_device_id *ent) -{ - struct net_device *dev; - struct netdev_private *np; - static int card_idx; - int chip_idx = ent->driver_data; - int err, irq; - long ioaddr; - static int version_printed; - void *ring_space; - dma_addr_t ring_dma; - - if (!version_printed++) - printk ("%s", version); - - err = pci_enable_device (pdev); - if (err) - return err; - - irq = pdev->irq; - err = pci_request_regions (pdev, "dl2k"); - if (err) - goto err_out_disable; - - pci_set_master (pdev); - dev = alloc_etherdev (sizeof (*np)); - if (!dev) { - err = -ENOMEM; - goto err_out_res; - } - SET_NETDEV_DEV(dev, &pdev->dev); - -#ifdef MEM_MAPPING - ioaddr = pci_resource_start (pdev, 1); - ioaddr = (long) ioremap (ioaddr, RIO_IO_SIZE); - if (!ioaddr) { - err = -ENOMEM; - goto err_out_dev; - } -#else - ioaddr = pci_resource_start (pdev, 0); -#endif - dev->base_addr = ioaddr; - dev->irq = irq; - np = netdev_priv(dev); - np->chip_id = chip_idx; - np->pdev = pdev; - spin_lock_init (&np->tx_lock); - spin_lock_init (&np->rx_lock); - - /* Parse manual configuration */ - np->an_enable = 1; - np->tx_coalesce = 1; - if (card_idx < MAX_UNITS) { - if (media[card_idx] != NULL) { - np->an_enable = 0; - if (strcmp (media[card_idx], "auto") == 0 || - strcmp (media[card_idx], "autosense") == 0 || - strcmp (media[card_idx], "0") == 0 ) { - np->an_enable = 2; - } else if (strcmp (media[card_idx], "100mbps_fd") == 0 || - strcmp (media[card_idx], "4") == 0) { - np->speed = 100; - np->full_duplex = 1; - } else if (strcmp (media[card_idx], "100mbps_hd") == 0 || - strcmp (media[card_idx], "3") == 0) { - np->speed = 100; - np->full_duplex = 0; - } else if (strcmp (media[card_idx], "10mbps_fd") == 0 || - strcmp (media[card_idx], "2") == 0) { - np->speed = 10; - np->full_duplex = 1; - } else if (strcmp (media[card_idx], "10mbps_hd") == 0 || - strcmp (media[card_idx], "1") == 0) { - np->speed = 10; - np->full_duplex = 0; - } else if (strcmp (media[card_idx], "1000mbps_fd") == 0 || - strcmp (media[card_idx], "6") == 0) { - np->speed=1000; - np->full_duplex=1; - } else if (strcmp (media[card_idx], "1000mbps_hd") == 0 || - strcmp (media[card_idx], "5") == 0) { - np->speed = 1000; - np->full_duplex = 0; - } else { - np->an_enable = 1; - } - } - if (jumbo[card_idx] != 0) { - np->jumbo = 1; - dev->mtu = MAX_JUMBO; - } else { - np->jumbo = 0; - if (mtu[card_idx] > 0 && mtu[card_idx] < PACKET_SIZE) - dev->mtu = mtu[card_idx]; - } - np->vlan = (vlan[card_idx] > 0 && vlan[card_idx] < 4096) ? - vlan[card_idx] : 0; - if (rx_coalesce > 0 && rx_timeout > 0) { - np->rx_coalesce = rx_coalesce; - np->rx_timeout = rx_timeout; - np->coalesce = 1; - } - np->tx_flow = (tx_flow == 0) ? 0 : 1; - np->rx_flow = (rx_flow == 0) ? 0 : 1; - - if (tx_coalesce < 1) - tx_coalesce = 1; - else if (tx_coalesce > TX_RING_SIZE-1) - tx_coalesce = TX_RING_SIZE - 1; - } - dev->netdev_ops = &netdev_ops; - dev->watchdog_timeo = TX_TIMEOUT; - SET_ETHTOOL_OPS(dev, ðtool_ops); -#if 0 - dev->features = NETIF_F_IP_CSUM; -#endif - pci_set_drvdata (pdev, dev); - - ring_space = pci_alloc_consistent (pdev, TX_TOTAL_SIZE, &ring_dma); - if (!ring_space) - goto err_out_iounmap; - np->tx_ring = ring_space; - np->tx_ring_dma = ring_dma; - - ring_space = pci_alloc_consistent (pdev, RX_TOTAL_SIZE, &ring_dma); - if (!ring_space) - goto err_out_unmap_tx; - np->rx_ring = ring_space; - np->rx_ring_dma = ring_dma; - - /* Parse eeprom data */ - parse_eeprom (dev); - - /* Find PHY address */ - err = find_miiphy (dev); - if (err) - goto err_out_unmap_rx; - - /* Fiber device? */ - np->phy_media = (readw(ioaddr + ASICCtrl) & PhyMedia) ? 1 : 0; - np->link_status = 0; - /* Set media and reset PHY */ - if (np->phy_media) { - /* default Auto-Negotiation for fiber deivices */ - if (np->an_enable == 2) { - np->an_enable = 1; - } - mii_set_media_pcs (dev); - } else { - /* Auto-Negotiation is mandatory for 1000BASE-T, - IEEE 802.3ab Annex 28D page 14 */ - if (np->speed == 1000) - np->an_enable = 1; - mii_set_media (dev); - } - - err = register_netdev (dev); - if (err) - goto err_out_unmap_rx; - - card_idx++; - - printk (KERN_INFO "%s: %s, %pM, IRQ %d\n", - dev->name, np->name, dev->dev_addr, irq); - if (tx_coalesce > 1) - printk(KERN_INFO "tx_coalesce:\t%d packets\n", - tx_coalesce); - if (np->coalesce) - printk(KERN_INFO - "rx_coalesce:\t%d packets\n" - "rx_timeout: \t%d ns\n", - np->rx_coalesce, np->rx_timeout*640); - if (np->vlan) - printk(KERN_INFO "vlan(id):\t%d\n", np->vlan); - return 0; - - err_out_unmap_rx: - pci_free_consistent (pdev, RX_TOTAL_SIZE, np->rx_ring, np->rx_ring_dma); - err_out_unmap_tx: - pci_free_consistent (pdev, TX_TOTAL_SIZE, np->tx_ring, np->tx_ring_dma); - err_out_iounmap: -#ifdef MEM_MAPPING - iounmap ((void *) ioaddr); - - err_out_dev: -#endif - free_netdev (dev); - - err_out_res: - pci_release_regions (pdev); - - err_out_disable: - pci_disable_device (pdev); - return err; -} - -static int -find_miiphy (struct net_device *dev) -{ - int i, phy_found = 0; - struct netdev_private *np; - long ioaddr; - np = netdev_priv(dev); - ioaddr = dev->base_addr; - np->phy_addr = 1; - - for (i = 31; i >= 0; i--) { - int mii_status = mii_read (dev, i, 1); - if (mii_status != 0xffff && mii_status != 0x0000) { - np->phy_addr = i; - phy_found++; - } - } - if (!phy_found) { - printk (KERN_ERR "%s: No MII PHY found!\n", dev->name); - return -ENODEV; - } - return 0; -} - -static int -parse_eeprom (struct net_device *dev) -{ - int i, j; - long ioaddr = dev->base_addr; - u8 sromdata[256]; - u8 *psib; - u32 crc; - PSROM_t psrom = (PSROM_t) sromdata; - struct netdev_private *np = netdev_priv(dev); - - int cid, next; - -#ifdef MEM_MAPPING - ioaddr = pci_resource_start (np->pdev, 0); -#endif - /* Read eeprom */ - for (i = 0; i < 128; i++) { - ((__le16 *) sromdata)[i] = cpu_to_le16(read_eeprom (ioaddr, i)); - } -#ifdef MEM_MAPPING - ioaddr = dev->base_addr; -#endif - if (np->pdev->vendor == PCI_VENDOR_ID_DLINK) { /* D-Link Only */ - /* Check CRC */ - crc = ~ether_crc_le (256 - 4, sromdata); - if (psrom->crc != cpu_to_le32(crc)) { - printk (KERN_ERR "%s: EEPROM data CRC error.\n", - dev->name); - return -1; - } - } - - /* Set MAC address */ - for (i = 0; i < 6; i++) - dev->dev_addr[i] = psrom->mac_addr[i]; - - if (np->pdev->vendor != PCI_VENDOR_ID_DLINK) { - return 0; - } - - /* Parse Software Information Block */ - i = 0x30; - psib = (u8 *) sromdata; - do { - cid = psib[i++]; - next = psib[i++]; - if ((cid == 0 && next == 0) || (cid == 0xff && next == 0xff)) { - printk (KERN_ERR "Cell data error\n"); - return -1; - } - switch (cid) { - case 0: /* Format version */ - break; - case 1: /* End of cell */ - return 0; - case 2: /* Duplex Polarity */ - np->duplex_polarity = psib[i]; - writeb (readb (ioaddr + PhyCtrl) | psib[i], - ioaddr + PhyCtrl); - break; - case 3: /* Wake Polarity */ - np->wake_polarity = psib[i]; - break; - case 9: /* Adapter description */ - j = (next - i > 255) ? 255 : next - i; - memcpy (np->name, &(psib[i]), j); - break; - case 4: - case 5: - case 6: - case 7: - case 8: /* Reversed */ - break; - default: /* Unknown cell */ - return -1; - } - i = next; - } while (1); - - return 0; -} - -static int -rio_open (struct net_device *dev) -{ - struct netdev_private *np = netdev_priv(dev); - long ioaddr = dev->base_addr; - int i; - u16 macctrl; - - i = request_irq (dev->irq, rio_interrupt, IRQF_SHARED, dev->name, dev); - if (i) - return i; - - /* Reset all logic functions */ - writew (GlobalReset | DMAReset | FIFOReset | NetworkReset | HostReset, - ioaddr + ASICCtrl + 2); - mdelay(10); - - /* DebugCtrl bit 4, 5, 9 must set */ - writel (readl (ioaddr + DebugCtrl) | 0x0230, ioaddr + DebugCtrl); - - /* Jumbo frame */ - if (np->jumbo != 0) - writew (MAX_JUMBO+14, ioaddr + MaxFrameSize); - - alloc_list (dev); - - /* Get station address */ - for (i = 0; i < 6; i++) - writeb (dev->dev_addr[i], ioaddr + StationAddr0 + i); - - set_multicast (dev); - if (np->coalesce) { - writel (np->rx_coalesce | np->rx_timeout << 16, - ioaddr + RxDMAIntCtrl); - } - /* Set RIO to poll every N*320nsec. */ - writeb (0x20, ioaddr + RxDMAPollPeriod); - writeb (0xff, ioaddr + TxDMAPollPeriod); - writeb (0x30, ioaddr + RxDMABurstThresh); - writeb (0x30, ioaddr + RxDMAUrgentThresh); - writel (0x0007ffff, ioaddr + RmonStatMask); - /* clear statistics */ - clear_stats (dev); - - /* VLAN supported */ - if (np->vlan) { - /* priority field in RxDMAIntCtrl */ - writel (readl(ioaddr + RxDMAIntCtrl) | 0x7 << 10, - ioaddr + RxDMAIntCtrl); - /* VLANId */ - writew (np->vlan, ioaddr + VLANId); - /* Length/Type should be 0x8100 */ - writel (0x8100 << 16 | np->vlan, ioaddr + VLANTag); - /* Enable AutoVLANuntagging, but disable AutoVLANtagging. - VLAN information tagged by TFC' VID, CFI fields. */ - writel (readl (ioaddr + MACCtrl) | AutoVLANuntagging, - ioaddr + MACCtrl); - } - - init_timer (&np->timer); - np->timer.expires = jiffies + 1*HZ; - np->timer.data = (unsigned long) dev; - np->timer.function = rio_timer; - add_timer (&np->timer); - - /* Start Tx/Rx */ - writel (readl (ioaddr + MACCtrl) | StatsEnable | RxEnable | TxEnable, - ioaddr + MACCtrl); - - macctrl = 0; - macctrl |= (np->vlan) ? AutoVLANuntagging : 0; - macctrl |= (np->full_duplex) ? DuplexSelect : 0; - macctrl |= (np->tx_flow) ? TxFlowControlEnable : 0; - macctrl |= (np->rx_flow) ? RxFlowControlEnable : 0; - writew(macctrl, ioaddr + MACCtrl); - - netif_start_queue (dev); - - /* Enable default interrupts */ - EnableInt (); - return 0; -} - -static void -rio_timer (unsigned long data) -{ - struct net_device *dev = (struct net_device *)data; - struct netdev_private *np = netdev_priv(dev); - unsigned int entry; - int next_tick = 1*HZ; - unsigned long flags; - - spin_lock_irqsave(&np->rx_lock, flags); - /* Recover rx ring exhausted error */ - if (np->cur_rx - np->old_rx >= RX_RING_SIZE) { - printk(KERN_INFO "Try to recover rx ring exhausted...\n"); - /* Re-allocate skbuffs to fill the descriptor ring */ - for (; np->cur_rx - np->old_rx > 0; np->old_rx++) { - struct sk_buff *skb; - entry = np->old_rx % RX_RING_SIZE; - /* Dropped packets don't need to re-allocate */ - if (np->rx_skbuff[entry] == NULL) { - skb = netdev_alloc_skb_ip_align(dev, - np->rx_buf_sz); - if (skb == NULL) { - np->rx_ring[entry].fraginfo = 0; - printk (KERN_INFO - "%s: Still unable to re-allocate Rx skbuff.#%d\n", - dev->name, entry); - break; - } - np->rx_skbuff[entry] = skb; - np->rx_ring[entry].fraginfo = - cpu_to_le64 (pci_map_single - (np->pdev, skb->data, np->rx_buf_sz, - PCI_DMA_FROMDEVICE)); - } - np->rx_ring[entry].fraginfo |= - cpu_to_le64((u64)np->rx_buf_sz << 48); - np->rx_ring[entry].status = 0; - } /* end for */ - } /* end if */ - spin_unlock_irqrestore (&np->rx_lock, flags); - np->timer.expires = jiffies + next_tick; - add_timer(&np->timer); -} - -static void -rio_tx_timeout (struct net_device *dev) -{ - long ioaddr = dev->base_addr; - - printk (KERN_INFO "%s: Tx timed out (%4.4x), is buffer full?\n", - dev->name, readl (ioaddr + TxStatus)); - rio_free_tx(dev, 0); - dev->if_port = 0; - dev->trans_start = jiffies; /* prevent tx timeout */ -} - - /* allocate and initialize Tx and Rx descriptors */ -static void -alloc_list (struct net_device *dev) -{ - struct netdev_private *np = netdev_priv(dev); - int i; - - np->cur_rx = np->cur_tx = 0; - np->old_rx = np->old_tx = 0; - np->rx_buf_sz = (dev->mtu <= 1500 ? PACKET_SIZE : dev->mtu + 32); - - /* Initialize Tx descriptors, TFDListPtr leaves in start_xmit(). */ - for (i = 0; i < TX_RING_SIZE; i++) { - np->tx_skbuff[i] = NULL; - np->tx_ring[i].status = cpu_to_le64 (TFDDone); - np->tx_ring[i].next_desc = cpu_to_le64 (np->tx_ring_dma + - ((i+1)%TX_RING_SIZE) * - sizeof (struct netdev_desc)); - } - - /* Initialize Rx descriptors */ - for (i = 0; i < RX_RING_SIZE; i++) { - np->rx_ring[i].next_desc = cpu_to_le64 (np->rx_ring_dma + - ((i + 1) % RX_RING_SIZE) * - sizeof (struct netdev_desc)); - np->rx_ring[i].status = 0; - np->rx_ring[i].fraginfo = 0; - np->rx_skbuff[i] = NULL; - } - - /* Allocate the rx buffers */ - for (i = 0; i < RX_RING_SIZE; i++) { - /* Allocated fixed size of skbuff */ - struct sk_buff *skb; - - skb = netdev_alloc_skb_ip_align(dev, np->rx_buf_sz); - np->rx_skbuff[i] = skb; - if (skb == NULL) { - printk (KERN_ERR - "%s: alloc_list: allocate Rx buffer error! ", - dev->name); - break; - } - /* Rubicon now supports 40 bits of addressing space. */ - np->rx_ring[i].fraginfo = - cpu_to_le64 ( pci_map_single ( - np->pdev, skb->data, np->rx_buf_sz, - PCI_DMA_FROMDEVICE)); - np->rx_ring[i].fraginfo |= cpu_to_le64((u64)np->rx_buf_sz << 48); - } - - /* Set RFDListPtr */ - writel (np->rx_ring_dma, dev->base_addr + RFDListPtr0); - writel (0, dev->base_addr + RFDListPtr1); -} - -static netdev_tx_t -start_xmit (struct sk_buff *skb, struct net_device *dev) -{ - struct netdev_private *np = netdev_priv(dev); - struct netdev_desc *txdesc; - unsigned entry; - u32 ioaddr; - u64 tfc_vlan_tag = 0; - - if (np->link_status == 0) { /* Link Down */ - dev_kfree_skb(skb); - return NETDEV_TX_OK; - } - ioaddr = dev->base_addr; - entry = np->cur_tx % TX_RING_SIZE; - np->tx_skbuff[entry] = skb; - txdesc = &np->tx_ring[entry]; - -#if 0 - if (skb->ip_summed == CHECKSUM_PARTIAL) { - txdesc->status |= - cpu_to_le64 (TCPChecksumEnable | UDPChecksumEnable | - IPChecksumEnable); - } -#endif - if (np->vlan) { - tfc_vlan_tag = VLANTagInsert | - ((u64)np->vlan << 32) | - ((u64)skb->priority << 45); - } - txdesc->fraginfo = cpu_to_le64 (pci_map_single (np->pdev, skb->data, - skb->len, - PCI_DMA_TODEVICE)); - txdesc->fraginfo |= cpu_to_le64((u64)skb->len << 48); - - /* DL2K bug: DMA fails to get next descriptor ptr in 10Mbps mode - * Work around: Always use 1 descriptor in 10Mbps mode */ - if (entry % np->tx_coalesce == 0 || np->speed == 10) - txdesc->status = cpu_to_le64 (entry | tfc_vlan_tag | - WordAlignDisable | - TxDMAIndicate | - (1 << FragCountShift)); - else - txdesc->status = cpu_to_le64 (entry | tfc_vlan_tag | - WordAlignDisable | - (1 << FragCountShift)); - - /* TxDMAPollNow */ - writel (readl (ioaddr + DMACtrl) | 0x00001000, ioaddr + DMACtrl); - /* Schedule ISR */ - writel(10000, ioaddr + CountDown); - np->cur_tx = (np->cur_tx + 1) % TX_RING_SIZE; - if ((np->cur_tx - np->old_tx + TX_RING_SIZE) % TX_RING_SIZE - < TX_QUEUE_LEN - 1 && np->speed != 10) { - /* do nothing */ - } else if (!netif_queue_stopped(dev)) { - netif_stop_queue (dev); - } - - /* The first TFDListPtr */ - if (readl (dev->base_addr + TFDListPtr0) == 0) { - writel (np->tx_ring_dma + entry * sizeof (struct netdev_desc), - dev->base_addr + TFDListPtr0); - writel (0, dev->base_addr + TFDListPtr1); - } - - return NETDEV_TX_OK; -} - -static irqreturn_t -rio_interrupt (int irq, void *dev_instance) -{ - struct net_device *dev = dev_instance; - struct netdev_private *np; - unsigned int_status; - long ioaddr; - int cnt = max_intrloop; - int handled = 0; - - ioaddr = dev->base_addr; - np = netdev_priv(dev); - while (1) { - int_status = readw (ioaddr + IntStatus); - writew (int_status, ioaddr + IntStatus); - int_status &= DEFAULT_INTR; - if (int_status == 0 || --cnt < 0) - break; - handled = 1; - /* Processing received packets */ - if (int_status & RxDMAComplete) - receive_packet (dev); - /* TxDMAComplete interrupt */ - if ((int_status & (TxDMAComplete|IntRequested))) { - int tx_status; - tx_status = readl (ioaddr + TxStatus); - if (tx_status & 0x01) - tx_error (dev, tx_status); - /* Free used tx skbuffs */ - rio_free_tx (dev, 1); - } - - /* Handle uncommon events */ - if (int_status & - (HostError | LinkEvent | UpdateStats)) - rio_error (dev, int_status); - } - if (np->cur_tx != np->old_tx) - writel (100, ioaddr + CountDown); - return IRQ_RETVAL(handled); -} - -static inline dma_addr_t desc_to_dma(struct netdev_desc *desc) -{ - return le64_to_cpu(desc->fraginfo) & DMA_BIT_MASK(48); -} - -static void -rio_free_tx (struct net_device *dev, int irq) -{ - struct netdev_private *np = netdev_priv(dev); - int entry = np->old_tx % TX_RING_SIZE; - int tx_use = 0; - unsigned long flag = 0; - - if (irq) - spin_lock(&np->tx_lock); - else - spin_lock_irqsave(&np->tx_lock, flag); - - /* Free used tx skbuffs */ - while (entry != np->cur_tx) { - struct sk_buff *skb; - - if (!(np->tx_ring[entry].status & cpu_to_le64(TFDDone))) - break; - skb = np->tx_skbuff[entry]; - pci_unmap_single (np->pdev, - desc_to_dma(&np->tx_ring[entry]), - skb->len, PCI_DMA_TODEVICE); - if (irq) - dev_kfree_skb_irq (skb); - else - dev_kfree_skb (skb); - - np->tx_skbuff[entry] = NULL; - entry = (entry + 1) % TX_RING_SIZE; - tx_use++; - } - if (irq) - spin_unlock(&np->tx_lock); - else - spin_unlock_irqrestore(&np->tx_lock, flag); - np->old_tx = entry; - - /* If the ring is no longer full, clear tx_full and - call netif_wake_queue() */ - - if (netif_queue_stopped(dev) && - ((np->cur_tx - np->old_tx + TX_RING_SIZE) % TX_RING_SIZE - < TX_QUEUE_LEN - 1 || np->speed == 10)) { - netif_wake_queue (dev); - } -} - -static void -tx_error (struct net_device *dev, int tx_status) -{ - struct netdev_private *np; - long ioaddr = dev->base_addr; - int frame_id; - int i; - - np = netdev_priv(dev); - - frame_id = (tx_status & 0xffff0000); - printk (KERN_ERR "%s: Transmit error, TxStatus %4.4x, FrameId %d.\n", - dev->name, tx_status, frame_id); - np->stats.tx_errors++; - /* Ttransmit Underrun */ - if (tx_status & 0x10) { - np->stats.tx_fifo_errors++; - writew (readw (ioaddr + TxStartThresh) + 0x10, - ioaddr + TxStartThresh); - /* Transmit Underrun need to set TxReset, DMARest, FIFOReset */ - writew (TxReset | DMAReset | FIFOReset | NetworkReset, - ioaddr + ASICCtrl + 2); - /* Wait for ResetBusy bit clear */ - for (i = 50; i > 0; i--) { - if ((readw (ioaddr + ASICCtrl + 2) & ResetBusy) == 0) - break; - mdelay (1); - } - rio_free_tx (dev, 1); - /* Reset TFDListPtr */ - writel (np->tx_ring_dma + - np->old_tx * sizeof (struct netdev_desc), - dev->base_addr + TFDListPtr0); - writel (0, dev->base_addr + TFDListPtr1); - - /* Let TxStartThresh stay default value */ - } - /* Late Collision */ - if (tx_status & 0x04) { - np->stats.tx_fifo_errors++; - /* TxReset and clear FIFO */ - writew (TxReset | FIFOReset, ioaddr + ASICCtrl + 2); - /* Wait reset done */ - for (i = 50; i > 0; i--) { - if ((readw (ioaddr + ASICCtrl + 2) & ResetBusy) == 0) - break; - mdelay (1); - } - /* Let TxStartThresh stay default value */ - } - /* Maximum Collisions */ -#ifdef ETHER_STATS - if (tx_status & 0x08) - np->stats.collisions16++; -#else - if (tx_status & 0x08) - np->stats.collisions++; -#endif - /* Restart the Tx */ - writel (readw (dev->base_addr + MACCtrl) | TxEnable, ioaddr + MACCtrl); -} - -static int -receive_packet (struct net_device *dev) -{ - struct netdev_private *np = netdev_priv(dev); - int entry = np->cur_rx % RX_RING_SIZE; - int cnt = 30; - - /* If RFDDone, FrameStart and FrameEnd set, there is a new packet in. */ - while (1) { - struct netdev_desc *desc = &np->rx_ring[entry]; - int pkt_len; - u64 frame_status; - - if (!(desc->status & cpu_to_le64(RFDDone)) || - !(desc->status & cpu_to_le64(FrameStart)) || - !(desc->status & cpu_to_le64(FrameEnd))) - break; - - /* Chip omits the CRC. */ - frame_status = le64_to_cpu(desc->status); - pkt_len = frame_status & 0xffff; - if (--cnt < 0) - break; - /* Update rx error statistics, drop packet. */ - if (frame_status & RFS_Errors) { - np->stats.rx_errors++; - if (frame_status & (RxRuntFrame | RxLengthError)) - np->stats.rx_length_errors++; - if (frame_status & RxFCSError) - np->stats.rx_crc_errors++; - if (frame_status & RxAlignmentError && np->speed != 1000) - np->stats.rx_frame_errors++; - if (frame_status & RxFIFOOverrun) - np->stats.rx_fifo_errors++; - } else { - struct sk_buff *skb; - - /* Small skbuffs for short packets */ - if (pkt_len > copy_thresh) { - pci_unmap_single (np->pdev, - desc_to_dma(desc), - np->rx_buf_sz, - PCI_DMA_FROMDEVICE); - skb_put (skb = np->rx_skbuff[entry], pkt_len); - np->rx_skbuff[entry] = NULL; - } else if ((skb = netdev_alloc_skb_ip_align(dev, pkt_len))) { - pci_dma_sync_single_for_cpu(np->pdev, - desc_to_dma(desc), - np->rx_buf_sz, - PCI_DMA_FROMDEVICE); - skb_copy_to_linear_data (skb, - np->rx_skbuff[entry]->data, - pkt_len); - skb_put (skb, pkt_len); - pci_dma_sync_single_for_device(np->pdev, - desc_to_dma(desc), - np->rx_buf_sz, - PCI_DMA_FROMDEVICE); - } - skb->protocol = eth_type_trans (skb, dev); -#if 0 - /* Checksum done by hw, but csum value unavailable. */ - if (np->pdev->pci_rev_id >= 0x0c && - !(frame_status & (TCPError | UDPError | IPError))) { - skb->ip_summed = CHECKSUM_UNNECESSARY; - } -#endif - netif_rx (skb); - } - entry = (entry + 1) % RX_RING_SIZE; - } - spin_lock(&np->rx_lock); - np->cur_rx = entry; - /* Re-allocate skbuffs to fill the descriptor ring */ - entry = np->old_rx; - while (entry != np->cur_rx) { - struct sk_buff *skb; - /* Dropped packets don't need to re-allocate */ - if (np->rx_skbuff[entry] == NULL) { - skb = netdev_alloc_skb_ip_align(dev, np->rx_buf_sz); - if (skb == NULL) { - np->rx_ring[entry].fraginfo = 0; - printk (KERN_INFO - "%s: receive_packet: " - "Unable to re-allocate Rx skbuff.#%d\n", - dev->name, entry); - break; - } - np->rx_skbuff[entry] = skb; - np->rx_ring[entry].fraginfo = - cpu_to_le64 (pci_map_single - (np->pdev, skb->data, np->rx_buf_sz, - PCI_DMA_FROMDEVICE)); - } - np->rx_ring[entry].fraginfo |= - cpu_to_le64((u64)np->rx_buf_sz << 48); - np->rx_ring[entry].status = 0; - entry = (entry + 1) % RX_RING_SIZE; - } - np->old_rx = entry; - spin_unlock(&np->rx_lock); - return 0; -} - -static void -rio_error (struct net_device *dev, int int_status) -{ - long ioaddr = dev->base_addr; - struct netdev_private *np = netdev_priv(dev); - u16 macctrl; - - /* Link change event */ - if (int_status & LinkEvent) { - if (mii_wait_link (dev, 10) == 0) { - printk (KERN_INFO "%s: Link up\n", dev->name); - if (np->phy_media) - mii_get_media_pcs (dev); - else - mii_get_media (dev); - if (np->speed == 1000) - np->tx_coalesce = tx_coalesce; - else - np->tx_coalesce = 1; - macctrl = 0; - macctrl |= (np->vlan) ? AutoVLANuntagging : 0; - macctrl |= (np->full_duplex) ? DuplexSelect : 0; - macctrl |= (np->tx_flow) ? - TxFlowControlEnable : 0; - macctrl |= (np->rx_flow) ? - RxFlowControlEnable : 0; - writew(macctrl, ioaddr + MACCtrl); - np->link_status = 1; - netif_carrier_on(dev); - } else { - printk (KERN_INFO "%s: Link off\n", dev->name); - np->link_status = 0; - netif_carrier_off(dev); - } - } - - /* UpdateStats statistics registers */ - if (int_status & UpdateStats) { - get_stats (dev); - } - - /* PCI Error, a catastronphic error related to the bus interface - occurs, set GlobalReset and HostReset to reset. */ - if (int_status & HostError) { - printk (KERN_ERR "%s: HostError! IntStatus %4.4x.\n", - dev->name, int_status); - writew (GlobalReset | HostReset, ioaddr + ASICCtrl + 2); - mdelay (500); - } -} - -static struct net_device_stats * -get_stats (struct net_device *dev) -{ - long ioaddr = dev->base_addr; - struct netdev_private *np = netdev_priv(dev); -#ifdef MEM_MAPPING - int i; -#endif - unsigned int stat_reg; - - /* All statistics registers need to be acknowledged, - else statistic overflow could cause problems */ - - np->stats.rx_packets += readl (ioaddr + FramesRcvOk); - np->stats.tx_packets += readl (ioaddr + FramesXmtOk); - np->stats.rx_bytes += readl (ioaddr + OctetRcvOk); - np->stats.tx_bytes += readl (ioaddr + OctetXmtOk); - - np->stats.multicast = readl (ioaddr + McstFramesRcvdOk); - np->stats.collisions += readl (ioaddr + SingleColFrames) - + readl (ioaddr + MultiColFrames); - - /* detailed tx errors */ - stat_reg = readw (ioaddr + FramesAbortXSColls); - np->stats.tx_aborted_errors += stat_reg; - np->stats.tx_errors += stat_reg; - - stat_reg = readw (ioaddr + CarrierSenseErrors); - np->stats.tx_carrier_errors += stat_reg; - np->stats.tx_errors += stat_reg; - - /* Clear all other statistic register. */ - readl (ioaddr + McstOctetXmtOk); - readw (ioaddr + BcstFramesXmtdOk); - readl (ioaddr + McstFramesXmtdOk); - readw (ioaddr + BcstFramesRcvdOk); - readw (ioaddr + MacControlFramesRcvd); - readw (ioaddr + FrameTooLongErrors); - readw (ioaddr + InRangeLengthErrors); - readw (ioaddr + FramesCheckSeqErrors); - readw (ioaddr + FramesLostRxErrors); - readl (ioaddr + McstOctetXmtOk); - readl (ioaddr + BcstOctetXmtOk); - readl (ioaddr + McstFramesXmtdOk); - readl (ioaddr + FramesWDeferredXmt); - readl (ioaddr + LateCollisions); - readw (ioaddr + BcstFramesXmtdOk); - readw (ioaddr + MacControlFramesXmtd); - readw (ioaddr + FramesWEXDeferal); - -#ifdef MEM_MAPPING - for (i = 0x100; i <= 0x150; i += 4) - readl (ioaddr + i); -#endif - readw (ioaddr + TxJumboFrames); - readw (ioaddr + RxJumboFrames); - readw (ioaddr + TCPCheckSumErrors); - readw (ioaddr + UDPCheckSumErrors); - readw (ioaddr + IPCheckSumErrors); - return &np->stats; -} - -static int -clear_stats (struct net_device *dev) -{ - long ioaddr = dev->base_addr; -#ifdef MEM_MAPPING - int i; -#endif - - /* All statistics registers need to be acknowledged, - else statistic overflow could cause problems */ - readl (ioaddr + FramesRcvOk); - readl (ioaddr + FramesXmtOk); - readl (ioaddr + OctetRcvOk); - readl (ioaddr + OctetXmtOk); - - readl (ioaddr + McstFramesRcvdOk); - readl (ioaddr + SingleColFrames); - readl (ioaddr + MultiColFrames); - readl (ioaddr + LateCollisions); - /* detailed rx errors */ - readw (ioaddr + FrameTooLongErrors); - readw (ioaddr + InRangeLengthErrors); - readw (ioaddr + FramesCheckSeqErrors); - readw (ioaddr + FramesLostRxErrors); - - /* detailed tx errors */ - readw (ioaddr + FramesAbortXSColls); - readw (ioaddr + CarrierSenseErrors); - - /* Clear all other statistic register. */ - readl (ioaddr + McstOctetXmtOk); - readw (ioaddr + BcstFramesXmtdOk); - readl (ioaddr + McstFramesXmtdOk); - readw (ioaddr + BcstFramesRcvdOk); - readw (ioaddr + MacControlFramesRcvd); - readl (ioaddr + McstOctetXmtOk); - readl (ioaddr + BcstOctetXmtOk); - readl (ioaddr + McstFramesXmtdOk); - readl (ioaddr + FramesWDeferredXmt); - readw (ioaddr + BcstFramesXmtdOk); - readw (ioaddr + MacControlFramesXmtd); - readw (ioaddr + FramesWEXDeferal); -#ifdef MEM_MAPPING - for (i = 0x100; i <= 0x150; i += 4) - readl (ioaddr + i); -#endif - readw (ioaddr + TxJumboFrames); - readw (ioaddr + RxJumboFrames); - readw (ioaddr + TCPCheckSumErrors); - readw (ioaddr + UDPCheckSumErrors); - readw (ioaddr + IPCheckSumErrors); - return 0; -} - - -static int -change_mtu (struct net_device *dev, int new_mtu) -{ - struct netdev_private *np = netdev_priv(dev); - int max = (np->jumbo) ? MAX_JUMBO : 1536; - - if ((new_mtu < 68) || (new_mtu > max)) { - return -EINVAL; - } - - dev->mtu = new_mtu; - - return 0; -} - -static void -set_multicast (struct net_device *dev) -{ - long ioaddr = dev->base_addr; - u32 hash_table[2]; - u16 rx_mode = 0; - struct netdev_private *np = netdev_priv(dev); - - hash_table[0] = hash_table[1] = 0; - /* RxFlowcontrol DA: 01-80-C2-00-00-01. Hash index=0x39 */ - hash_table[1] |= 0x02000000; - if (dev->flags & IFF_PROMISC) { - /* Receive all frames promiscuously. */ - rx_mode = ReceiveAllFrames; - } else if ((dev->flags & IFF_ALLMULTI) || - (netdev_mc_count(dev) > multicast_filter_limit)) { - /* Receive broadcast and multicast frames */ - rx_mode = ReceiveBroadcast | ReceiveMulticast | ReceiveUnicast; - } else if (!netdev_mc_empty(dev)) { - struct netdev_hw_addr *ha; - /* Receive broadcast frames and multicast frames filtering - by Hashtable */ - rx_mode = - ReceiveBroadcast | ReceiveMulticastHash | ReceiveUnicast; - netdev_for_each_mc_addr(ha, dev) { - int bit, index = 0; - int crc = ether_crc_le(ETH_ALEN, ha->addr); - /* The inverted high significant 6 bits of CRC are - used as an index to hashtable */ - for (bit = 0; bit < 6; bit++) - if (crc & (1 << (31 - bit))) - index |= (1 << bit); - hash_table[index / 32] |= (1 << (index % 32)); - } - } else { - rx_mode = ReceiveBroadcast | ReceiveUnicast; - } - if (np->vlan) { - /* ReceiveVLANMatch field in ReceiveMode */ - rx_mode |= ReceiveVLANMatch; - } - - writel (hash_table[0], ioaddr + HashTable0); - writel (hash_table[1], ioaddr + HashTable1); - writew (rx_mode, ioaddr + ReceiveMode); -} - -static void rio_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) -{ - struct netdev_private *np = netdev_priv(dev); - strcpy(info->driver, "dl2k"); - strcpy(info->version, DRV_VERSION); - strcpy(info->bus_info, pci_name(np->pdev)); -} - -static int rio_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) -{ - struct netdev_private *np = netdev_priv(dev); - if (np->phy_media) { - /* fiber device */ - cmd->supported = SUPPORTED_Autoneg | SUPPORTED_FIBRE; - cmd->advertising= ADVERTISED_Autoneg | ADVERTISED_FIBRE; - cmd->port = PORT_FIBRE; - cmd->transceiver = XCVR_INTERNAL; - } else { - /* copper device */ - cmd->supported = SUPPORTED_10baseT_Half | - SUPPORTED_10baseT_Full | SUPPORTED_100baseT_Half - | SUPPORTED_100baseT_Full | SUPPORTED_1000baseT_Full | - SUPPORTED_Autoneg | SUPPORTED_MII; - cmd->advertising = ADVERTISED_10baseT_Half | - ADVERTISED_10baseT_Full | ADVERTISED_100baseT_Half | - ADVERTISED_100baseT_Full | ADVERTISED_1000baseT_Full| - ADVERTISED_Autoneg | ADVERTISED_MII; - cmd->port = PORT_MII; - cmd->transceiver = XCVR_INTERNAL; - } - if ( np->link_status ) { - ethtool_cmd_speed_set(cmd, np->speed); - cmd->duplex = np->full_duplex ? DUPLEX_FULL : DUPLEX_HALF; - } else { - ethtool_cmd_speed_set(cmd, -1); - cmd->duplex = -1; - } - if ( np->an_enable) - cmd->autoneg = AUTONEG_ENABLE; - else - cmd->autoneg = AUTONEG_DISABLE; - - cmd->phy_address = np->phy_addr; - return 0; -} - -static int rio_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) -{ - struct netdev_private *np = netdev_priv(dev); - netif_carrier_off(dev); - if (cmd->autoneg == AUTONEG_ENABLE) { - if (np->an_enable) - return 0; - else { - np->an_enable = 1; - mii_set_media(dev); - return 0; - } - } else { - np->an_enable = 0; - if (np->speed == 1000) { - ethtool_cmd_speed_set(cmd, SPEED_100); - cmd->duplex = DUPLEX_FULL; - printk("Warning!! Can't disable Auto negotiation in 1000Mbps, change to Manual 100Mbps, Full duplex.\n"); - } - switch (ethtool_cmd_speed(cmd)) { - case SPEED_10: - np->speed = 10; - np->full_duplex = (cmd->duplex == DUPLEX_FULL); - break; - case SPEED_100: - np->speed = 100; - np->full_duplex = (cmd->duplex == DUPLEX_FULL); - break; - case SPEED_1000: /* not supported */ - default: - return -EINVAL; - } - mii_set_media(dev); - } - return 0; -} - -static u32 rio_get_link(struct net_device *dev) -{ - struct netdev_private *np = netdev_priv(dev); - return np->link_status; -} - -static const struct ethtool_ops ethtool_ops = { - .get_drvinfo = rio_get_drvinfo, - .get_settings = rio_get_settings, - .set_settings = rio_set_settings, - .get_link = rio_get_link, -}; - -static int -rio_ioctl (struct net_device *dev, struct ifreq *rq, int cmd) -{ - int phy_addr; - struct netdev_private *np = netdev_priv(dev); - struct mii_data *miidata = (struct mii_data *) &rq->ifr_ifru; - - struct netdev_desc *desc; - int i; - - phy_addr = np->phy_addr; - switch (cmd) { - case SIOCDEVPRIVATE: - break; - - case SIOCDEVPRIVATE + 1: - miidata->out_value = mii_read (dev, phy_addr, miidata->reg_num); - break; - case SIOCDEVPRIVATE + 2: - mii_write (dev, phy_addr, miidata->reg_num, miidata->in_value); - break; - case SIOCDEVPRIVATE + 3: - break; - case SIOCDEVPRIVATE + 4: - break; - case SIOCDEVPRIVATE + 5: - netif_stop_queue (dev); - break; - case SIOCDEVPRIVATE + 6: - netif_wake_queue (dev); - break; - case SIOCDEVPRIVATE + 7: - printk - ("tx_full=%x cur_tx=%lx old_tx=%lx cur_rx=%lx old_rx=%lx\n", - netif_queue_stopped(dev), np->cur_tx, np->old_tx, np->cur_rx, - np->old_rx); - break; - case SIOCDEVPRIVATE + 8: - printk("TX ring:\n"); - for (i = 0; i < TX_RING_SIZE; i++) { - desc = &np->tx_ring[i]; - printk - ("%02x:cur:%08x next:%08x status:%08x frag1:%08x frag0:%08x", - i, - (u32) (np->tx_ring_dma + i * sizeof (*desc)), - (u32)le64_to_cpu(desc->next_desc), - (u32)le64_to_cpu(desc->status), - (u32)(le64_to_cpu(desc->fraginfo) >> 32), - (u32)le64_to_cpu(desc->fraginfo)); - printk ("\n"); - } - printk ("\n"); - break; - - default: - return -EOPNOTSUPP; - } - return 0; -} - -#define EEP_READ 0x0200 -#define EEP_BUSY 0x8000 -/* Read the EEPROM word */ -/* We use I/O instruction to read/write eeprom to avoid fail on some machines */ -static int -read_eeprom (long ioaddr, int eep_addr) -{ - int i = 1000; - outw (EEP_READ | (eep_addr & 0xff), ioaddr + EepromCtrl); - while (i-- > 0) { - if (!(inw (ioaddr + EepromCtrl) & EEP_BUSY)) { - return inw (ioaddr + EepromData); - } - } - return 0; -} - -enum phy_ctrl_bits { - MII_READ = 0x00, MII_CLK = 0x01, MII_DATA1 = 0x02, MII_WRITE = 0x04, - MII_DUPLEX = 0x08, -}; - -#define mii_delay() readb(ioaddr) -static void -mii_sendbit (struct net_device *dev, u32 data) -{ - long ioaddr = dev->base_addr + PhyCtrl; - data = (data) ? MII_DATA1 : 0; - data |= MII_WRITE; - data |= (readb (ioaddr) & 0xf8) | MII_WRITE; - writeb (data, ioaddr); - mii_delay (); - writeb (data | MII_CLK, ioaddr); - mii_delay (); -} - -static int -mii_getbit (struct net_device *dev) -{ - long ioaddr = dev->base_addr + PhyCtrl; - u8 data; - - data = (readb (ioaddr) & 0xf8) | MII_READ; - writeb (data, ioaddr); - mii_delay (); - writeb (data | MII_CLK, ioaddr); - mii_delay (); - return ((readb (ioaddr) >> 1) & 1); -} - -static void -mii_send_bits (struct net_device *dev, u32 data, int len) -{ - int i; - for (i = len - 1; i >= 0; i--) { - mii_sendbit (dev, data & (1 << i)); - } -} - -static int -mii_read (struct net_device *dev, int phy_addr, int reg_num) -{ - u32 cmd; - int i; - u32 retval = 0; - - /* Preamble */ - mii_send_bits (dev, 0xffffffff, 32); - /* ST(2), OP(2), ADDR(5), REG#(5), TA(2), Data(16) total 32 bits */ - /* ST,OP = 0110'b for read operation */ - cmd = (0x06 << 10 | phy_addr << 5 | reg_num); - mii_send_bits (dev, cmd, 14); - /* Turnaround */ - if (mii_getbit (dev)) - goto err_out; - /* Read data */ - for (i = 0; i < 16; i++) { - retval |= mii_getbit (dev); - retval <<= 1; - } - /* End cycle */ - mii_getbit (dev); - return (retval >> 1) & 0xffff; - - err_out: - return 0; -} -static int -mii_write (struct net_device *dev, int phy_addr, int reg_num, u16 data) -{ - u32 cmd; - - /* Preamble */ - mii_send_bits (dev, 0xffffffff, 32); - /* ST(2), OP(2), ADDR(5), REG#(5), TA(2), Data(16) total 32 bits */ - /* ST,OP,AAAAA,RRRRR,TA = 0101xxxxxxxxxx10'b = 0x5002 for write */ - cmd = (0x5002 << 16) | (phy_addr << 23) | (reg_num << 18) | data; - mii_send_bits (dev, cmd, 32); - /* End cycle */ - mii_getbit (dev); - return 0; -} -static int -mii_wait_link (struct net_device *dev, int wait) -{ - __u16 bmsr; - int phy_addr; - struct netdev_private *np; - - np = netdev_priv(dev); - phy_addr = np->phy_addr; - - do { - bmsr = mii_read (dev, phy_addr, MII_BMSR); - if (bmsr & MII_BMSR_LINK_STATUS) - return 0; - mdelay (1); - } while (--wait > 0); - return -1; -} -static int -mii_get_media (struct net_device *dev) -{ - __u16 negotiate; - __u16 bmsr; - __u16 mscr; - __u16 mssr; - int phy_addr; - struct netdev_private *np; - - np = netdev_priv(dev); - phy_addr = np->phy_addr; - - bmsr = mii_read (dev, phy_addr, MII_BMSR); - if (np->an_enable) { - if (!(bmsr & MII_BMSR_AN_COMPLETE)) { - /* Auto-Negotiation not completed */ - return -1; - } - negotiate = mii_read (dev, phy_addr, MII_ANAR) & - mii_read (dev, phy_addr, MII_ANLPAR); - mscr = mii_read (dev, phy_addr, MII_MSCR); - mssr = mii_read (dev, phy_addr, MII_MSSR); - if (mscr & MII_MSCR_1000BT_FD && mssr & MII_MSSR_LP_1000BT_FD) { - np->speed = 1000; - np->full_duplex = 1; - printk (KERN_INFO "Auto 1000 Mbps, Full duplex\n"); - } else if (mscr & MII_MSCR_1000BT_HD && mssr & MII_MSSR_LP_1000BT_HD) { - np->speed = 1000; - np->full_duplex = 0; - printk (KERN_INFO "Auto 1000 Mbps, Half duplex\n"); - } else if (negotiate & MII_ANAR_100BX_FD) { - np->speed = 100; - np->full_duplex = 1; - printk (KERN_INFO "Auto 100 Mbps, Full duplex\n"); - } else if (negotiate & MII_ANAR_100BX_HD) { - np->speed = 100; - np->full_duplex = 0; - printk (KERN_INFO "Auto 100 Mbps, Half duplex\n"); - } else if (negotiate & MII_ANAR_10BT_FD) { - np->speed = 10; - np->full_duplex = 1; - printk (KERN_INFO "Auto 10 Mbps, Full duplex\n"); - } else if (negotiate & MII_ANAR_10BT_HD) { - np->speed = 10; - np->full_duplex = 0; - printk (KERN_INFO "Auto 10 Mbps, Half duplex\n"); - } - if (negotiate & MII_ANAR_PAUSE) { - np->tx_flow &= 1; - np->rx_flow &= 1; - } else if (negotiate & MII_ANAR_ASYMMETRIC) { - np->tx_flow = 0; - np->rx_flow &= 1; - } - /* else tx_flow, rx_flow = user select */ - } else { - __u16 bmcr = mii_read (dev, phy_addr, MII_BMCR); - switch (bmcr & (MII_BMCR_SPEED_100 | MII_BMCR_SPEED_1000)) { - case MII_BMCR_SPEED_1000: - printk (KERN_INFO "Operating at 1000 Mbps, "); - break; - case MII_BMCR_SPEED_100: - printk (KERN_INFO "Operating at 100 Mbps, "); - break; - case 0: - printk (KERN_INFO "Operating at 10 Mbps, "); - } - if (bmcr & MII_BMCR_DUPLEX_MODE) { - printk (KERN_CONT "Full duplex\n"); - } else { - printk (KERN_CONT "Half duplex\n"); - } - } - if (np->tx_flow) - printk(KERN_INFO "Enable Tx Flow Control\n"); - else - printk(KERN_INFO "Disable Tx Flow Control\n"); - if (np->rx_flow) - printk(KERN_INFO "Enable Rx Flow Control\n"); - else - printk(KERN_INFO "Disable Rx Flow Control\n"); - - return 0; -} - -static int -mii_set_media (struct net_device *dev) -{ - __u16 pscr; - __u16 bmcr; - __u16 bmsr; - __u16 anar; - int phy_addr; - struct netdev_private *np; - np = netdev_priv(dev); - phy_addr = np->phy_addr; - - /* Does user set speed? */ - if (np->an_enable) { - /* Advertise capabilities */ - bmsr = mii_read (dev, phy_addr, MII_BMSR); - anar = mii_read (dev, phy_addr, MII_ANAR) & - ~MII_ANAR_100BX_FD & - ~MII_ANAR_100BX_HD & - ~MII_ANAR_100BT4 & - ~MII_ANAR_10BT_FD & - ~MII_ANAR_10BT_HD; - if (bmsr & MII_BMSR_100BX_FD) - anar |= MII_ANAR_100BX_FD; - if (bmsr & MII_BMSR_100BX_HD) - anar |= MII_ANAR_100BX_HD; - if (bmsr & MII_BMSR_100BT4) - anar |= MII_ANAR_100BT4; - if (bmsr & MII_BMSR_10BT_FD) - anar |= MII_ANAR_10BT_FD; - if (bmsr & MII_BMSR_10BT_HD) - anar |= MII_ANAR_10BT_HD; - anar |= MII_ANAR_PAUSE | MII_ANAR_ASYMMETRIC; - mii_write (dev, phy_addr, MII_ANAR, anar); - - /* Enable Auto crossover */ - pscr = mii_read (dev, phy_addr, MII_PHY_SCR); - pscr |= 3 << 5; /* 11'b */ - mii_write (dev, phy_addr, MII_PHY_SCR, pscr); - - /* Soft reset PHY */ - mii_write (dev, phy_addr, MII_BMCR, MII_BMCR_RESET); - bmcr = MII_BMCR_AN_ENABLE | MII_BMCR_RESTART_AN | MII_BMCR_RESET; - mii_write (dev, phy_addr, MII_BMCR, bmcr); - mdelay(1); - } else { - /* Force speed setting */ - /* 1) Disable Auto crossover */ - pscr = mii_read (dev, phy_addr, MII_PHY_SCR); - pscr &= ~(3 << 5); - mii_write (dev, phy_addr, MII_PHY_SCR, pscr); - - /* 2) PHY Reset */ - bmcr = mii_read (dev, phy_addr, MII_BMCR); - bmcr |= MII_BMCR_RESET; - mii_write (dev, phy_addr, MII_BMCR, bmcr); - - /* 3) Power Down */ - bmcr = 0x1940; /* must be 0x1940 */ - mii_write (dev, phy_addr, MII_BMCR, bmcr); - mdelay (100); /* wait a certain time */ - - /* 4) Advertise nothing */ - mii_write (dev, phy_addr, MII_ANAR, 0); - - /* 5) Set media and Power Up */ - bmcr = MII_BMCR_POWER_DOWN; - if (np->speed == 100) { - bmcr |= MII_BMCR_SPEED_100; - printk (KERN_INFO "Manual 100 Mbps, "); - } else if (np->speed == 10) { - printk (KERN_INFO "Manual 10 Mbps, "); - } - if (np->full_duplex) { - bmcr |= MII_BMCR_DUPLEX_MODE; - printk (KERN_CONT "Full duplex\n"); - } else { - printk (KERN_CONT "Half duplex\n"); - } -#if 0 - /* Set 1000BaseT Master/Slave setting */ - mscr = mii_read (dev, phy_addr, MII_MSCR); - mscr |= MII_MSCR_CFG_ENABLE; - mscr &= ~MII_MSCR_CFG_VALUE = 0; -#endif - mii_write (dev, phy_addr, MII_BMCR, bmcr); - mdelay(10); - } - return 0; -} - -static int -mii_get_media_pcs (struct net_device *dev) -{ - __u16 negotiate; - __u16 bmsr; - int phy_addr; - struct netdev_private *np; - - np = netdev_priv(dev); - phy_addr = np->phy_addr; - - bmsr = mii_read (dev, phy_addr, PCS_BMSR); - if (np->an_enable) { - if (!(bmsr & MII_BMSR_AN_COMPLETE)) { - /* Auto-Negotiation not completed */ - return -1; - } - negotiate = mii_read (dev, phy_addr, PCS_ANAR) & - mii_read (dev, phy_addr, PCS_ANLPAR); - np->speed = 1000; - if (negotiate & PCS_ANAR_FULL_DUPLEX) { - printk (KERN_INFO "Auto 1000 Mbps, Full duplex\n"); - np->full_duplex = 1; - } else { - printk (KERN_INFO "Auto 1000 Mbps, half duplex\n"); - np->full_duplex = 0; - } - if (negotiate & PCS_ANAR_PAUSE) { - np->tx_flow &= 1; - np->rx_flow &= 1; - } else if (negotiate & PCS_ANAR_ASYMMETRIC) { - np->tx_flow = 0; - np->rx_flow &= 1; - } - /* else tx_flow, rx_flow = user select */ - } else { - __u16 bmcr = mii_read (dev, phy_addr, PCS_BMCR); - printk (KERN_INFO "Operating at 1000 Mbps, "); - if (bmcr & MII_BMCR_DUPLEX_MODE) { - printk (KERN_CONT "Full duplex\n"); - } else { - printk (KERN_CONT "Half duplex\n"); - } - } - if (np->tx_flow) - printk(KERN_INFO "Enable Tx Flow Control\n"); - else - printk(KERN_INFO "Disable Tx Flow Control\n"); - if (np->rx_flow) - printk(KERN_INFO "Enable Rx Flow Control\n"); - else - printk(KERN_INFO "Disable Rx Flow Control\n"); - - return 0; -} - -static int -mii_set_media_pcs (struct net_device *dev) -{ - __u16 bmcr; - __u16 esr; - __u16 anar; - int phy_addr; - struct netdev_private *np; - np = netdev_priv(dev); - phy_addr = np->phy_addr; - - /* Auto-Negotiation? */ - if (np->an_enable) { - /* Advertise capabilities */ - esr = mii_read (dev, phy_addr, PCS_ESR); - anar = mii_read (dev, phy_addr, MII_ANAR) & - ~PCS_ANAR_HALF_DUPLEX & - ~PCS_ANAR_FULL_DUPLEX; - if (esr & (MII_ESR_1000BT_HD | MII_ESR_1000BX_HD)) - anar |= PCS_ANAR_HALF_DUPLEX; - if (esr & (MII_ESR_1000BT_FD | MII_ESR_1000BX_FD)) - anar |= PCS_ANAR_FULL_DUPLEX; - anar |= PCS_ANAR_PAUSE | PCS_ANAR_ASYMMETRIC; - mii_write (dev, phy_addr, MII_ANAR, anar); - - /* Soft reset PHY */ - mii_write (dev, phy_addr, MII_BMCR, MII_BMCR_RESET); - bmcr = MII_BMCR_AN_ENABLE | MII_BMCR_RESTART_AN | - MII_BMCR_RESET; - mii_write (dev, phy_addr, MII_BMCR, bmcr); - mdelay(1); - } else { - /* Force speed setting */ - /* PHY Reset */ - bmcr = MII_BMCR_RESET; - mii_write (dev, phy_addr, MII_BMCR, bmcr); - mdelay(10); - if (np->full_duplex) { - bmcr = MII_BMCR_DUPLEX_MODE; - printk (KERN_INFO "Manual full duplex\n"); - } else { - bmcr = 0; - printk (KERN_INFO "Manual half duplex\n"); - } - mii_write (dev, phy_addr, MII_BMCR, bmcr); - mdelay(10); - - /* Advertise nothing */ - mii_write (dev, phy_addr, MII_ANAR, 0); - } - return 0; -} - - -static int -rio_close (struct net_device *dev) -{ - long ioaddr = dev->base_addr; - struct netdev_private *np = netdev_priv(dev); - struct sk_buff *skb; - int i; - - netif_stop_queue (dev); - - /* Disable interrupts */ - writew (0, ioaddr + IntEnable); - - /* Stop Tx and Rx logics */ - writel (TxDisable | RxDisable | StatsDisable, ioaddr + MACCtrl); - - free_irq (dev->irq, dev); - del_timer_sync (&np->timer); - - /* Free all the skbuffs in the queue. */ - for (i = 0; i < RX_RING_SIZE; i++) { - skb = np->rx_skbuff[i]; - if (skb) { - pci_unmap_single(np->pdev, - desc_to_dma(&np->rx_ring[i]), - skb->len, PCI_DMA_FROMDEVICE); - dev_kfree_skb (skb); - np->rx_skbuff[i] = NULL; - } - np->rx_ring[i].status = 0; - np->rx_ring[i].fraginfo = 0; - } - for (i = 0; i < TX_RING_SIZE; i++) { - skb = np->tx_skbuff[i]; - if (skb) { - pci_unmap_single(np->pdev, - desc_to_dma(&np->tx_ring[i]), - skb->len, PCI_DMA_TODEVICE); - dev_kfree_skb (skb); - np->tx_skbuff[i] = NULL; - } - } - - return 0; -} - -static void __devexit -rio_remove1 (struct pci_dev *pdev) -{ - struct net_device *dev = pci_get_drvdata (pdev); - - if (dev) { - struct netdev_private *np = netdev_priv(dev); - - unregister_netdev (dev); - pci_free_consistent (pdev, RX_TOTAL_SIZE, np->rx_ring, - np->rx_ring_dma); - pci_free_consistent (pdev, TX_TOTAL_SIZE, np->tx_ring, - np->tx_ring_dma); -#ifdef MEM_MAPPING - iounmap ((char *) (dev->base_addr)); -#endif - free_netdev (dev); - pci_release_regions (pdev); - pci_disable_device (pdev); - } - pci_set_drvdata (pdev, NULL); -} - -static struct pci_driver rio_driver = { - .name = "dl2k", - .id_table = rio_pci_tbl, - .probe = rio_probe1, - .remove = __devexit_p(rio_remove1), -}; - -static int __init -rio_init (void) -{ - return pci_register_driver(&rio_driver); -} - -static void __exit -rio_exit (void) -{ - pci_unregister_driver (&rio_driver); -} - -module_init (rio_init); -module_exit (rio_exit); - -/* - -Compile command: - -gcc -D__KERNEL__ -DMODULE -I/usr/src/linux/include -Wall -Wstrict-prototypes -O2 -c dl2k.c - -Read Documentation/networking/dl2k.txt for details. - -*/ - |