diff options
Diffstat (limited to 'drivers/net/ethernet/fujitsu')
| -rw-r--r-- | drivers/net/ethernet/fujitsu/Kconfig | 25 | ||||
| -rw-r--r-- | drivers/net/ethernet/fujitsu/Makefile | 2 | ||||
| -rw-r--r-- | drivers/net/ethernet/fujitsu/at1700.c | 791 | ||||
| -rw-r--r-- | drivers/net/ethernet/fujitsu/eth16i.c | 1483 |
4 files changed, 1 insertions, 2300 deletions
diff --git a/drivers/net/ethernet/fujitsu/Kconfig b/drivers/net/ethernet/fujitsu/Kconfig index dffee9d44fd..6231bc02b96 100644 --- a/drivers/net/ethernet/fujitsu/Kconfig +++ b/drivers/net/ethernet/fujitsu/Kconfig @@ -5,7 +5,7 @@ config NET_VENDOR_FUJITSU bool "Fujitsu devices" default y - depends on ISA || PCMCIA || ((ISA || MCA_LEGACY) && EXPERIMENTAL) + depends on ISA || PCMCIA ---help--- If you have a network (Ethernet) card belonging to this class, say Y and read the Ethernet-HOWTO, available from @@ -17,18 +17,6 @@ config NET_VENDOR_FUJITSU if NET_VENDOR_FUJITSU -config AT1700 - tristate "AT1700/1720 support (EXPERIMENTAL)" - depends on (ISA || MCA_LEGACY) && EXPERIMENTAL - select CRC32 - ---help--- - If you have a network (Ethernet) card of this type, say Y and read - the Ethernet-HOWTO, available from - <http://www.tldp.org/docs.html#howto>. - - To compile this driver as a module, choose M here. The module - will be called at1700. - config PCMCIA_FMVJ18X tristate "Fujitsu FMV-J18x PCMCIA support" depends on PCMCIA @@ -40,15 +28,4 @@ config PCMCIA_FMVJ18X To compile this driver as a module, choose M here: the module will be called fmvj18x_cs. If unsure, say N. -config ETH16I - tristate "ICL EtherTeam 16i/32 support" - depends on ISA - ---help--- - If you have a network (Ethernet) card of this type, say Y and read - the Ethernet-HOWTO, available from - <http://www.tldp.org/docs.html#howto>. - - To compile this driver as a module, choose M here. The module - will be called eth16i. - endif # NET_VENDOR_FUJITSU diff --git a/drivers/net/ethernet/fujitsu/Makefile b/drivers/net/ethernet/fujitsu/Makefile index 2730ae67d3a..21561fdcc69 100644 --- a/drivers/net/ethernet/fujitsu/Makefile +++ b/drivers/net/ethernet/fujitsu/Makefile @@ -2,6 +2,4 @@ # Makefile for the Fujitsu network device drivers. # -obj-$(CONFIG_AT1700) += at1700.o -obj-$(CONFIG_ETH16I) += eth16i.o obj-$(CONFIG_PCMCIA_FMVJ18X) += fmvj18x_cs.o diff --git a/drivers/net/ethernet/fujitsu/at1700.c b/drivers/net/ethernet/fujitsu/at1700.c deleted file mode 100644 index 4b80dc4531a..00000000000 --- a/drivers/net/ethernet/fujitsu/at1700.c +++ /dev/null @@ -1,791 +0,0 @@ -/* at1700.c: A network device driver for the Allied Telesis AT1700. - - Written 1993-98 by Donald Becker. - - Copyright 1993 United States Government as represented by the - Director, National Security Agency. - - This software may be used and distributed according to the terms - of the GNU General Public License, incorporated herein by reference. - - The author may be reached as becker@scyld.com, or C/O - Scyld Computing Corporation - 410 Severn Ave., Suite 210 - Annapolis MD 21403 - - This is a device driver for the Allied Telesis AT1700, and - Fujitsu FMV-181/182/181A/182A/183/184/183A/184A, which are - straight-forward Fujitsu MB86965 implementations. - - Modification for Fujitsu FMV-18X cards is done by Yutaka Tamiya - (tamy@flab.fujitsu.co.jp). - - Sources: - The Fujitsu MB86965 datasheet. - - After the initial version of this driver was written Gerry Sawkins of - ATI provided their EEPROM configuration code header file. - Thanks to NIIBE Yutaka <gniibe@mri.co.jp> for bug fixes. - - MCA bus (AT1720) support (now deleted) by Rene Schmit <rene@bss.lu> - - Bugs: - The MB86965 has a design flaw that makes all probes unreliable. Not - only is it difficult to detect, it also moves around in I/O space in - response to inb()s from other device probes! -*/ - -#include <linux/errno.h> -#include <linux/netdevice.h> -#include <linux/etherdevice.h> -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/types.h> -#include <linux/fcntl.h> -#include <linux/interrupt.h> -#include <linux/ioport.h> -#include <linux/in.h> -#include <linux/skbuff.h> -#include <linux/string.h> -#include <linux/init.h> -#include <linux/crc32.h> -#include <linux/bitops.h> - -#include <asm/io.h> -#include <asm/dma.h> - -static char version[] __initdata = - "at1700.c:v1.16 9/11/06 Donald Becker (becker@cesdis.gsfc.nasa.gov)\n"; - -#define DRV_NAME "at1700" - -/* Tunable parameters. */ - -/* When to switch from the 64-entry multicast filter to Rx-all-multicast. */ -#define MC_FILTERBREAK 64 - -/* These unusual address orders are used to verify the CONFIG register. */ - -static int fmv18x_probe_list[] __initdata = { - 0x220, 0x240, 0x260, 0x280, 0x2a0, 0x2c0, 0x300, 0x340, 0 -}; - -/* - * ISA - */ - -static unsigned at1700_probe_list[] __initdata = { - 0x260, 0x280, 0x2a0, 0x240, 0x340, 0x320, 0x380, 0x300, 0 -}; - -/* use 0 for production, 1 for verification, >2 for debug */ -#ifndef NET_DEBUG -#define NET_DEBUG 1 -#endif -static unsigned int net_debug = NET_DEBUG; - -typedef unsigned char uchar; - -/* Information that need to be kept for each board. */ -struct net_local { - spinlock_t lock; - unsigned char mc_filter[8]; - uint jumpered:1; /* Set iff the board has jumper config. */ - uint tx_started:1; /* Packets are on the Tx queue. */ - uint tx_queue_ready:1; /* Tx queue is ready to be sent. */ - uint rx_started:1; /* Packets are Rxing. */ - uchar tx_queue; /* Number of packet on the Tx queue. */ - ushort tx_queue_len; /* Current length of the Tx queue. */ -}; - - -/* Offsets from the base address. */ -#define STATUS 0 -#define TX_STATUS 0 -#define RX_STATUS 1 -#define TX_INTR 2 /* Bit-mapped interrupt enable registers. */ -#define RX_INTR 3 -#define TX_MODE 4 -#define RX_MODE 5 -#define CONFIG_0 6 /* Misc. configuration settings. */ -#define CONFIG_1 7 -/* Run-time register bank 2 definitions. */ -#define DATAPORT 8 /* Word-wide DMA or programmed-I/O dataport. */ -#define TX_START 10 -#define COL16CNTL 11 /* Control Reg for 16 collisions */ -#define MODE13 13 -#define RX_CTRL 14 -/* Configuration registers only on the '865A/B chips. */ -#define EEPROM_Ctrl 16 -#define EEPROM_Data 17 -#define CARDSTATUS 16 /* FMV-18x Card Status */ -#define CARDSTATUS1 17 /* FMV-18x Card Status */ -#define IOCONFIG 18 /* Either read the jumper, or move the I/O. */ -#define IOCONFIG1 19 -#define SAPROM 20 /* The station address PROM, if no EEPROM. */ -#define MODE24 24 -#define RESET 31 /* Write to reset some parts of the chip. */ -#define AT1700_IO_EXTENT 32 -#define PORT_OFFSET(o) (o) - - -#define TX_TIMEOUT (HZ/10) - - -/* Index to functions, as function prototypes. */ - -static int at1700_probe1(struct net_device *dev, int ioaddr); -static int read_eeprom(long ioaddr, int location); -static int net_open(struct net_device *dev); -static netdev_tx_t net_send_packet(struct sk_buff *skb, - struct net_device *dev); -static irqreturn_t net_interrupt(int irq, void *dev_id); -static void net_rx(struct net_device *dev); -static int net_close(struct net_device *dev); -static void set_rx_mode(struct net_device *dev); -static void net_tx_timeout (struct net_device *dev); - - -/* Check for a network adaptor of this type, and return '0' iff one exists. - If dev->base_addr == 0, probe all likely locations. - If dev->base_addr == 1, always return failure. - If dev->base_addr == 2, allocate space for the device and return success - (detachable devices only). - */ - -static int io = 0x260; - -static int irq; - -static void cleanup_card(struct net_device *dev) -{ - free_irq(dev->irq, NULL); - release_region(dev->base_addr, AT1700_IO_EXTENT); -} - -struct net_device * __init at1700_probe(int unit) -{ - struct net_device *dev = alloc_etherdev(sizeof(struct net_local)); - unsigned *port; - int err = 0; - - if (!dev) - return ERR_PTR(-ENODEV); - - if (unit >= 0) { - sprintf(dev->name, "eth%d", unit); - netdev_boot_setup_check(dev); - io = dev->base_addr; - irq = dev->irq; - } else { - dev->base_addr = io; - dev->irq = irq; - } - - if (io > 0x1ff) { /* Check a single specified location. */ - err = at1700_probe1(dev, io); - } else if (io != 0) { /* Don't probe at all. */ - err = -ENXIO; - } else { - for (port = at1700_probe_list; *port; port++) { - if (at1700_probe1(dev, *port) == 0) - break; - dev->irq = irq; - } - if (!*port) - err = -ENODEV; - } - if (err) - goto out; - err = register_netdev(dev); - if (err) - goto out1; - return dev; -out1: - cleanup_card(dev); -out: - free_netdev(dev); - return ERR_PTR(err); -} - -static const struct net_device_ops at1700_netdev_ops = { - .ndo_open = net_open, - .ndo_stop = net_close, - .ndo_start_xmit = net_send_packet, - .ndo_set_rx_mode = set_rx_mode, - .ndo_tx_timeout = net_tx_timeout, - .ndo_change_mtu = eth_change_mtu, - .ndo_set_mac_address = eth_mac_addr, - .ndo_validate_addr = eth_validate_addr, -}; - -/* The Fujitsu datasheet suggests that the NIC be probed for by checking its - "signature", the default bit pattern after a reset. This *doesn't* work -- - there is no way to reset the bus interface without a complete power-cycle! - - It turns out that ATI came to the same conclusion I did: the only thing - that can be done is checking a few bits and then diving right into an - EEPROM read. */ - -static int __init at1700_probe1(struct net_device *dev, int ioaddr) -{ - static const char fmv_irqmap[4] = {3, 7, 10, 15}; - static const char fmv_irqmap_pnp[8] = {3, 4, 5, 7, 9, 10, 11, 15}; - static const char at1700_irqmap[8] = {3, 4, 5, 9, 10, 11, 14, 15}; - unsigned int i, irq, is_fmv18x = 0, is_at1700 = 0; - int ret = -ENODEV; - struct net_local *lp = netdev_priv(dev); - - if (!request_region(ioaddr, AT1700_IO_EXTENT, DRV_NAME)) - return -EBUSY; - - /* Resetting the chip doesn't reset the ISA interface, so don't bother. - That means we have to be careful with the register values we probe - for. - */ -#ifdef notdef - printk("at1700 probe at %#x, eeprom is %4.4x %4.4x %4.4x ctrl %4.4x.\n", - ioaddr, read_eeprom(ioaddr, 4), read_eeprom(ioaddr, 5), - read_eeprom(ioaddr, 6), inw(ioaddr + EEPROM_Ctrl)); -#endif - /* We must check for the EEPROM-config boards first, else accessing - IOCONFIG0 will move the board! */ - if (at1700_probe_list[inb(ioaddr + IOCONFIG1) & 0x07] == ioaddr && - read_eeprom(ioaddr, 4) == 0x0000 && - (read_eeprom(ioaddr, 5) & 0xff00) == 0xF400) - is_at1700 = 1; - else if (inb(ioaddr + SAPROM ) == 0x00 && - inb(ioaddr + SAPROM + 1) == 0x00 && - inb(ioaddr + SAPROM + 2) == 0x0e) - is_fmv18x = 1; - else { - goto err_out; - } - - /* Reset the internal state machines. */ - outb(0, ioaddr + RESET); - - if (is_at1700) { - irq = at1700_irqmap[(read_eeprom(ioaddr, 12)&0x04) - | (read_eeprom(ioaddr, 0)>>14)]; - } else { - /* Check PnP mode for FMV-183/184/183A/184A. */ - /* This PnP routine is very poor. IO and IRQ should be known. */ - if (inb(ioaddr + CARDSTATUS1) & 0x20) { - irq = dev->irq; - for (i = 0; i < 8; i++) { - if (irq == fmv_irqmap_pnp[i]) - break; - } - if (i == 8) { - goto err_out; - } - } else { - if (fmv18x_probe_list[inb(ioaddr + IOCONFIG) & 0x07] != ioaddr) - goto err_out; - irq = fmv_irqmap[(inb(ioaddr + IOCONFIG)>>6) & 0x03]; - } - } - - printk("%s: %s found at %#3x, IRQ %d, address ", dev->name, - is_at1700 ? "AT1700" : "FMV-18X", ioaddr, irq); - - dev->base_addr = ioaddr; - dev->irq = irq; - - if (is_at1700) { - for(i = 0; i < 3; i++) { - unsigned short eeprom_val = read_eeprom(ioaddr, 4+i); - ((unsigned short *)dev->dev_addr)[i] = ntohs(eeprom_val); - } - } else { - for(i = 0; i < 6; i++) { - unsigned char val = inb(ioaddr + SAPROM + i); - dev->dev_addr[i] = val; - } - } - printk("%pM", dev->dev_addr); - - /* The EEPROM word 12 bit 0x0400 means use regular 100 ohm 10baseT signals, - rather than 150 ohm shielded twisted pair compensation. - 0x0000 == auto-sense the interface - 0x0800 == use TP interface - 0x1800 == use coax interface - */ - { - const char *porttype[] = {"auto-sense", "10baseT", "auto-sense", "10base2"}; - if (is_at1700) { - ushort setup_value = read_eeprom(ioaddr, 12); - dev->if_port = setup_value >> 8; - } else { - ushort setup_value = inb(ioaddr + CARDSTATUS); - switch (setup_value & 0x07) { - case 0x01: /* 10base5 */ - case 0x02: /* 10base2 */ - dev->if_port = 0x18; break; - case 0x04: /* 10baseT */ - dev->if_port = 0x08; break; - default: /* auto-sense */ - dev->if_port = 0x00; break; - } - } - printk(" %s interface.\n", porttype[(dev->if_port>>3) & 3]); - } - - /* Set the configuration register 0 to 32K 100ns. byte-wide memory, 16 bit - bus access, two 4K Tx queues, and disabled Tx and Rx. */ - outb(0xda, ioaddr + CONFIG_0); - - /* Set the station address in bank zero. */ - outb(0x00, ioaddr + CONFIG_1); - for (i = 0; i < 6; i++) - outb(dev->dev_addr[i], ioaddr + PORT_OFFSET(8 + i)); - - /* Switch to bank 1 and set the multicast table to accept none. */ - outb(0x04, ioaddr + CONFIG_1); - for (i = 0; i < 8; i++) - outb(0x00, ioaddr + PORT_OFFSET(8 + i)); - - - /* Switch to bank 2 */ - /* Lock our I/O address, and set manual processing mode for 16 collisions. */ - outb(0x08, ioaddr + CONFIG_1); - outb(dev->if_port, ioaddr + MODE13); - outb(0x00, ioaddr + COL16CNTL); - - if (net_debug) - printk(version); - - dev->netdev_ops = &at1700_netdev_ops; - dev->watchdog_timeo = TX_TIMEOUT; - - spin_lock_init(&lp->lock); - - lp->jumpered = is_fmv18x; - /* Snarf the interrupt vector now. */ - ret = request_irq(irq, net_interrupt, 0, DRV_NAME, dev); - if (ret) { - printk(KERN_ERR "AT1700 at %#3x is unusable due to a " - "conflict on IRQ %d.\n", - ioaddr, irq); - goto err_out; - } - - return 0; - -err_out: - release_region(ioaddr, AT1700_IO_EXTENT); - return ret; -} - - -/* EEPROM_Ctrl bits. */ -#define EE_SHIFT_CLK 0x40 /* EEPROM shift clock, in reg. 16. */ -#define EE_CS 0x20 /* EEPROM chip select, in reg. 16. */ -#define EE_DATA_WRITE 0x80 /* EEPROM chip data in, in reg. 17. */ -#define EE_DATA_READ 0x80 /* EEPROM chip data out, in reg. 17. */ - -/* The EEPROM commands include the alway-set leading bit. */ -#define EE_WRITE_CMD (5 << 6) -#define EE_READ_CMD (6 << 6) -#define EE_ERASE_CMD (7 << 6) - -static int __init read_eeprom(long ioaddr, int location) -{ - int i; - unsigned short retval = 0; - long ee_addr = ioaddr + EEPROM_Ctrl; - long ee_daddr = ioaddr + EEPROM_Data; - int read_cmd = location | EE_READ_CMD; - - /* Shift the read command bits out. */ - for (i = 9; i >= 0; i--) { - short dataval = (read_cmd & (1 << i)) ? EE_DATA_WRITE : 0; - outb(EE_CS, ee_addr); - outb(dataval, ee_daddr); - outb(EE_CS | EE_SHIFT_CLK, ee_addr); /* EEPROM clock tick. */ - } - outb(EE_DATA_WRITE, ee_daddr); - for (i = 16; i > 0; i--) { - outb(EE_CS, ee_addr); - outb(EE_CS | EE_SHIFT_CLK, ee_addr); - retval = (retval << 1) | ((inb(ee_daddr) & EE_DATA_READ) ? 1 : 0); - } - - /* Terminate the EEPROM access. */ - outb(EE_CS, ee_addr); - outb(EE_SHIFT_CLK, ee_addr); - outb(0, ee_addr); - return retval; -} - - - -static int net_open(struct net_device *dev) -{ - struct net_local *lp = netdev_priv(dev); - int ioaddr = dev->base_addr; - - /* Set the configuration register 0 to 32K 100ns. byte-wide memory, 16 bit - bus access, and two 4K Tx queues. */ - outb(0x5a, ioaddr + CONFIG_0); - - /* Powerup, switch to register bank 2, and enable the Rx and Tx. */ - outb(0xe8, ioaddr + CONFIG_1); - - lp->tx_started = 0; - lp->tx_queue_ready = 1; - lp->rx_started = 0; - lp->tx_queue = 0; - lp->tx_queue_len = 0; - - /* Turn on hardware Tx and Rx interrupts. */ - outb(0x82, ioaddr + TX_INTR); - outb(0x81, ioaddr + RX_INTR); - - /* Enable the IRQ on boards of fmv18x it is feasible. */ - if (lp->jumpered) { - outb(0x80, ioaddr + IOCONFIG1); - } - - netif_start_queue(dev); - return 0; -} - -static void net_tx_timeout (struct net_device *dev) -{ - struct net_local *lp = netdev_priv(dev); - int ioaddr = dev->base_addr; - - printk ("%s: transmit timed out with status %04x, %s?\n", dev->name, - inw (ioaddr + STATUS), inb (ioaddr + TX_STATUS) & 0x80 - ? "IRQ conflict" : "network cable problem"); - printk ("%s: timeout registers: %04x %04x %04x %04x %04x %04x %04x %04x.\n", - dev->name, inw(ioaddr + TX_STATUS), inw(ioaddr + TX_INTR), inw(ioaddr + TX_MODE), - inw(ioaddr + CONFIG_0), inw(ioaddr + DATAPORT), inw(ioaddr + TX_START), - inw(ioaddr + MODE13 - 1), inw(ioaddr + RX_CTRL)); - dev->stats.tx_errors++; - /* ToDo: We should try to restart the adaptor... */ - outw(0xffff, ioaddr + MODE24); - outw (0xffff, ioaddr + TX_STATUS); - outb (0x5a, ioaddr + CONFIG_0); - outb (0xe8, ioaddr + CONFIG_1); - outw (0x8182, ioaddr + TX_INTR); - outb (0x00, ioaddr + TX_START); - outb (0x03, ioaddr + COL16CNTL); - - dev->trans_start = jiffies; /* prevent tx timeout */ - - lp->tx_started = 0; - lp->tx_queue_ready = 1; - lp->rx_started = 0; - lp->tx_queue = 0; - lp->tx_queue_len = 0; - - netif_wake_queue(dev); -} - - -static netdev_tx_t net_send_packet (struct sk_buff *skb, - struct net_device *dev) -{ - struct net_local *lp = netdev_priv(dev); - int ioaddr = dev->base_addr; - short length = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN; - short len = skb->len; - unsigned char *buf = skb->data; - static u8 pad[ETH_ZLEN]; - - netif_stop_queue (dev); - - /* We may not start transmitting unless we finish transferring - a packet into the Tx queue. During executing the following - codes we possibly catch a Tx interrupt. Thus we flag off - tx_queue_ready, so that we prevent the interrupt routine - (net_interrupt) to start transmitting. */ - lp->tx_queue_ready = 0; - { - outw (length, ioaddr + DATAPORT); - /* Packet data */ - outsw (ioaddr + DATAPORT, buf, len >> 1); - /* Check for dribble byte */ - if (len & 1) { - outw(skb->data[skb->len-1], ioaddr + DATAPORT); - len++; - } - /* Check for packet padding */ - if (length != skb->len) - outsw(ioaddr + DATAPORT, pad, (length - len + 1) >> 1); - - lp->tx_queue++; - lp->tx_queue_len += length + 2; - } - lp->tx_queue_ready = 1; - - if (lp->tx_started == 0) { - /* If the Tx is idle, always trigger a transmit. */ - outb (0x80 | lp->tx_queue, ioaddr + TX_START); - lp->tx_queue = 0; - lp->tx_queue_len = 0; - lp->tx_started = 1; - netif_start_queue (dev); - } else if (lp->tx_queue_len < 4096 - 1502) - /* Yes, there is room for one more packet. */ - netif_start_queue (dev); - dev_kfree_skb (skb); - - return NETDEV_TX_OK; -} - -/* The typical workload of the driver: - Handle the network interface interrupts. */ -static irqreturn_t net_interrupt(int irq, void *dev_id) -{ - struct net_device *dev = dev_id; - struct net_local *lp; - int ioaddr, status; - int handled = 0; - - if (dev == NULL) { - printk ("at1700_interrupt(): irq %d for unknown device.\n", irq); - return IRQ_NONE; - } - - ioaddr = dev->base_addr; - lp = netdev_priv(dev); - - spin_lock (&lp->lock); - - status = inw(ioaddr + TX_STATUS); - outw(status, ioaddr + TX_STATUS); - - if (net_debug > 4) - printk("%s: Interrupt with status %04x.\n", dev->name, status); - if (lp->rx_started == 0 && - (status & 0xff00 || (inb(ioaddr + RX_MODE) & 0x40) == 0)) { - /* Got a packet(s). - We cannot execute net_rx more than once at the same time for - the same device. During executing net_rx, we possibly catch a - Tx interrupt. Thus we flag on rx_started, so that we prevent - the interrupt routine (net_interrupt) to dive into net_rx - again. */ - handled = 1; - lp->rx_started = 1; - outb(0x00, ioaddr + RX_INTR); /* Disable RX intr. */ - net_rx(dev); - outb(0x81, ioaddr + RX_INTR); /* Enable RX intr. */ - lp->rx_started = 0; - } - if (status & 0x00ff) { - handled = 1; - if (status & 0x02) { - /* More than 16 collisions occurred */ - if (net_debug > 4) - printk("%s: 16 Collision occur during Txing.\n", dev->name); - /* Cancel sending a packet. */ - outb(0x03, ioaddr + COL16CNTL); - dev->stats.collisions++; - } - if (status & 0x82) { - dev->stats.tx_packets++; - /* The Tx queue has any packets and is not being - transferred a packet from the host, start - transmitting. */ - if (lp->tx_queue && lp->tx_queue_ready) { - outb(0x80 | lp->tx_queue, ioaddr + TX_START); - lp->tx_queue = 0; - lp->tx_queue_len = 0; - dev->trans_start = jiffies; - netif_wake_queue (dev); - } else { - lp->tx_started = 0; - netif_wake_queue (dev); - } - } - } - - spin_unlock (&lp->lock); - return IRQ_RETVAL(handled); -} - -/* We have a good packet(s), get it/them out of the buffers. */ -static void -net_rx(struct net_device *dev) -{ - int ioaddr = dev->base_addr; - int boguscount = 5; - - while ((inb(ioaddr + RX_MODE) & 0x40) == 0) { - ushort status = inw(ioaddr + DATAPORT); - ushort pkt_len = inw(ioaddr + DATAPORT); - - if (net_debug > 4) - printk("%s: Rxing packet mode %02x status %04x.\n", - dev->name, inb(ioaddr + RX_MODE), status); -#ifndef final_version - if (status == 0) { - outb(0x05, ioaddr + RX_CTRL); - break; - } -#endif - - if ((status & 0xF0) != 0x20) { /* There was an error. */ - dev->stats.rx_errors++; - if (status & 0x08) dev->stats.rx_length_errors++; - if (status & 0x04) dev->stats.rx_frame_errors++; - if (status & 0x02) dev->stats.rx_crc_errors++; - if (status & 0x01) dev->stats.rx_over_errors++; - } else { - /* Malloc up new buffer. */ - struct sk_buff *skb; - - if (pkt_len > 1550) { - printk("%s: The AT1700 claimed a very large packet, size %d.\n", - dev->name, pkt_len); - /* Prime the FIFO and then flush the packet. */ - inw(ioaddr + DATAPORT); inw(ioaddr + DATAPORT); - outb(0x05, ioaddr + RX_CTRL); - dev->stats.rx_errors++; - break; - } - skb = netdev_alloc_skb(dev, pkt_len + 3); - if (skb == NULL) { - printk("%s: Memory squeeze, dropping packet (len %d).\n", - dev->name, pkt_len); - /* Prime the FIFO and then flush the packet. */ - inw(ioaddr + DATAPORT); inw(ioaddr + DATAPORT); - outb(0x05, ioaddr + RX_CTRL); - dev->stats.rx_dropped++; - break; - } - skb_reserve(skb,2); - - insw(ioaddr + DATAPORT, skb_put(skb,pkt_len), (pkt_len + 1) >> 1); - skb->protocol=eth_type_trans(skb, dev); - netif_rx(skb); - dev->stats.rx_packets++; - dev->stats.rx_bytes += pkt_len; - } - if (--boguscount <= 0) - break; - } - - /* If any worth-while packets have been received, dev_rint() - has done a mark_bh(NET_BH) for us and will work on them - when we get to the bottom-half routine. */ - { - int i; - for (i = 0; i < 20; i++) { - if ((inb(ioaddr + RX_MODE) & 0x40) == 0x40) - break; - inw(ioaddr + DATAPORT); /* dummy status read */ - outb(0x05, ioaddr + RX_CTRL); - } - - if (net_debug > 5) - printk("%s: Exint Rx packet with mode %02x after %d ticks.\n", - dev->name, inb(ioaddr + RX_MODE), i); - } -} - -/* The inverse routine to net_open(). */ -static int net_close(struct net_device *dev) -{ - struct net_local *lp = netdev_priv(dev); - int ioaddr = dev->base_addr; - - netif_stop_queue(dev); - - /* Set configuration register 0 to disable Tx and Rx. */ - outb(0xda, ioaddr + CONFIG_0); - - /* No statistic counters on the chip to update. */ - - /* Disable the IRQ on boards of fmv18x where it is feasible. */ - if (lp->jumpered) - outb(0x00, ioaddr + IOCONFIG1); - - /* Power-down the chip. Green, green, green! */ - outb(0x00, ioaddr + CONFIG_1); - return 0; -} - -/* - Set the multicast/promiscuous mode for this adaptor. -*/ - -static void -set_rx_mode(struct net_device *dev) -{ - int ioaddr = dev->base_addr; - struct net_local *lp = netdev_priv(dev); - unsigned char mc_filter[8]; /* Multicast hash filter */ - unsigned long flags; - - if (dev->flags & IFF_PROMISC) { - memset(mc_filter, 0xff, sizeof(mc_filter)); - outb(3, ioaddr + RX_MODE); /* Enable promiscuous mode */ - } else if (netdev_mc_count(dev) > MC_FILTERBREAK || - (dev->flags & IFF_ALLMULTI)) { - /* Too many to filter perfectly -- accept all multicasts. */ - memset(mc_filter, 0xff, sizeof(mc_filter)); - outb(2, ioaddr + RX_MODE); /* Use normal mode. */ - } else if (netdev_mc_empty(dev)) { - memset(mc_filter, 0x00, sizeof(mc_filter)); - outb(1, ioaddr + RX_MODE); /* Ignore almost all multicasts. */ - } else { - struct netdev_hw_addr *ha; - - memset(mc_filter, 0, sizeof(mc_filter)); - netdev_for_each_mc_addr(ha, dev) { - unsigned int bit = - ether_crc_le(ETH_ALEN, ha->addr) >> 26; - mc_filter[bit >> 3] |= (1 << bit); - } - outb(0x02, ioaddr + RX_MODE); /* Use normal mode. */ - } - - spin_lock_irqsave (&lp->lock, flags); - if (memcmp(mc_filter, lp->mc_filter, sizeof(mc_filter))) { - int i; - int saved_bank = inw(ioaddr + CONFIG_0); - /* Switch to bank 1 and set the multicast table. */ - outw((saved_bank & ~0x0C00) | 0x0480, ioaddr + CONFIG_0); - for (i = 0; i < 8; i++) - outb(mc_filter[i], ioaddr + PORT_OFFSET(8 + i)); - memcpy(lp->mc_filter, mc_filter, sizeof(mc_filter)); - outw(saved_bank, ioaddr + CONFIG_0); - } - spin_unlock_irqrestore (&lp->lock, flags); -} - -#ifdef MODULE -static struct net_device *dev_at1700; - -module_param(io, int, 0); -module_param(irq, int, 0); -module_param(net_debug, int, 0); -MODULE_PARM_DESC(io, "AT1700/FMV18X I/O base address"); -MODULE_PARM_DESC(irq, "AT1700/FMV18X IRQ number"); -MODULE_PARM_DESC(net_debug, "AT1700/FMV18X debug level (0-6)"); - -static int __init at1700_module_init(void) -{ - if (io == 0) - printk("at1700: You should not use auto-probing with insmod!\n"); - dev_at1700 = at1700_probe(-1); - if (IS_ERR(dev_at1700)) - return PTR_ERR(dev_at1700); - return 0; -} - -static void __exit at1700_module_exit(void) -{ - unregister_netdev(dev_at1700); - cleanup_card(dev_at1700); - free_netdev(dev_at1700); -} -module_init(at1700_module_init); -module_exit(at1700_module_exit); -#endif /* MODULE */ -MODULE_LICENSE("GPL"); diff --git a/drivers/net/ethernet/fujitsu/eth16i.c b/drivers/net/ethernet/fujitsu/eth16i.c deleted file mode 100644 index a992d1f7e0d..00000000000 --- a/drivers/net/ethernet/fujitsu/eth16i.c +++ /dev/null @@ -1,1483 +0,0 @@ -/* eth16i.c An ICL EtherTeam 16i and 32 EISA ethernet driver for Linux - - Written 1994-1999 by Mika Kuoppala - - Copyright (C) 1994-1999 by Mika Kuoppala - Based on skeleton.c and heavily on at1700.c by Donald Becker - - This software may be used and distributed according to the terms - of the GNU General Public License, incorporated herein by reference. - - The author may be reached as miku@iki.fi - - This driver supports following cards : - - ICL EtherTeam 16i - - ICL EtherTeam 32 EISA - (Uses true 32 bit transfers rather than 16i compatibility mode) - - Example Module usage: - insmod eth16i.o io=0x2a0 mediatype=bnc - - mediatype can be one of the following: bnc,tp,dix,auto,eprom - - 'auto' will try to autoprobe mediatype. - 'eprom' will use whatever type defined in eprom. - - I have benchmarked driver with PII/300Mhz as a ftp client - and 486/33Mhz as a ftp server. Top speed was 1128.37 kilobytes/sec. - - Sources: - - skeleton.c a sample network driver core for linux, - written by Donald Becker <becker@scyld.com> - - at1700.c a driver for Allied Telesis AT1700, written - by Donald Becker. - - e16iSRV.asm a Netware 3.X Server Driver for ICL EtherTeam16i - written by Markku Viima - - The Fujitsu MB86965 databook. - - Author thanks following persons due to their valueble assistance: - Markku Viima (ICL) - Ari Valve (ICL) - Donald Becker - Kurt Huwig <kurt@huwig.de> - - Revision history: - - Version Date Description - - 0.01 15.12-94 Initial version (card detection) - 0.02 23.01-95 Interrupt is now hooked correctly - 0.03 01.02-95 Rewrote initialization part - 0.04 07.02-95 Base skeleton done... - Made a few changes to signature checking - to make it a bit reliable. - - fixed bug in tx_buf mapping - - fixed bug in initialization (DLC_EN - wasn't enabled when initialization - was done.) - 0.05 08.02-95 If there were more than one packet to send, - transmit was jammed due to invalid - register write...now fixed - 0.06 19.02-95 Rewrote interrupt handling - 0.07 13.04-95 Wrote EEPROM read routines - Card configuration now set according to - data read from EEPROM - 0.08 23.06-95 Wrote part that tries to probe used interface - port if AUTO is selected - - 0.09 01.09-95 Added module support - - 0.10 04.09-95 Fixed receive packet allocation to work - with kernels > 1.3.x - - 0.20 20.09-95 Added support for EtherTeam32 EISA - - 0.21 17.10-95 Removed the unnecessary extern - init_etherdev() declaration. Some - other cleanups. - - 0.22 22.02-96 Receive buffer was not flushed - correctly when faulty packet was - received. Now fixed. - - 0.23 26.02-96 Made resetting the adapter - more reliable. - - 0.24 27.02-96 Rewrote faulty packet handling in eth16i_rx - - 0.25 22.05-96 kfree() was missing from cleanup_module. - - 0.26 11.06-96 Sometimes card was not found by - check_signature(). Now made more reliable. - - 0.27 23.06-96 Oops. 16 consecutive collisions halted - adapter. Now will try to retransmit - MAX_COL_16 times before finally giving up. - - 0.28 28.10-97 Added dev_id parameter (NULL) for free_irq - - 0.29 29.10-97 Multiple card support for module users - - 0.30 30.10-97 Fixed irq allocation bug. - (request_irq moved from probe to open) - - 0.30a 21.08-98 Card detection made more relaxed. Driver - had problems with some TCP/IP-PROM boots - to find the card. Suggested by - Kurt Huwig <kurt@huwig.de> - - 0.31 28.08-98 Media interface port can now be selected - with module parameters or kernel - boot parameters. - - 0.32 31.08-98 IRQ was never freed if open/close - pair wasn't called. Now fixed. - - 0.33 10.09-98 When eth16i_open() was called after - eth16i_close() chip never recovered. - Now more shallow reset is made on - close. - - 0.34 29.06-99 Fixed one bad #ifdef. - Changed ioaddr -> io for consistency - - 0.35 01.07-99 transmit,-receive bytes were never - updated in stats. - - Bugs: - In some cases the media interface autoprobing code doesn't find - the correct interface type. In this case you can - manually choose the interface type in DOS with E16IC.EXE which is - configuration software for EtherTeam16i and EtherTeam32 cards. - This is also true for IRQ setting. You cannot use module - parameter to configure IRQ of the card (yet). - - To do: - - Real multicast support - - Rewrite the media interface autoprobing code. Its _horrible_ ! - - Possibly merge all the MB86965 specific code to external - module for use by eth16.c and Donald's at1700.c - - IRQ configuration with module parameter. I will do - this when i will get enough info about setting - irq without configuration utility. -*/ - -static char *version = - "eth16i.c: v0.35 01-Jul-1999 Mika Kuoppala (miku@iki.fi)\n"; - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/types.h> -#include <linux/fcntl.h> -#include <linux/interrupt.h> -#include <linux/ioport.h> -#include <linux/in.h> -#include <linux/string.h> -#include <linux/errno.h> -#include <linux/init.h> -#include <linux/spinlock.h> -#include <linux/netdevice.h> -#include <linux/etherdevice.h> -#include <linux/skbuff.h> -#include <linux/bitops.h> -#include <linux/jiffies.h> -#include <linux/io.h> - -#include <asm/dma.h> - - - -/* Few macros */ -#define BITSET(ioaddr, bnum) ((outb(((inb(ioaddr)) | (bnum)), ioaddr))) -#define BITCLR(ioaddr, bnum) ((outb(((inb(ioaddr)) & (~(bnum))), ioaddr))) - -/* This is the I/O address space for Etherteam 16i adapter. */ -#define ETH16I_IO_EXTENT 32 - -/* Ticks before deciding that transmit has timed out */ -#define TX_TIMEOUT (400*HZ/1000) - -/* Maximum loop count when receiving packets */ -#define MAX_RX_LOOP 20 - -/* Some interrupt masks */ -#define ETH16I_INTR_ON 0xef8a /* Higher is receive mask */ -#define ETH16I_INTR_OFF 0x0000 - -/* Buffers header status byte meanings */ -#define PKT_GOOD BIT(5) -#define PKT_GOOD_RMT BIT(4) -#define PKT_SHORT BIT(3) -#define PKT_ALIGN_ERR BIT(2) -#define PKT_CRC_ERR BIT(1) -#define PKT_RX_BUF_OVERFLOW BIT(0) - -/* Transmit status register (DLCR0) */ -#define TX_STATUS_REG 0 -#define TX_DONE BIT(7) -#define NET_BUSY BIT(6) -#define TX_PKT_RCD BIT(5) -#define CR_LOST BIT(4) -#define TX_JABBER_ERR BIT(3) -#define COLLISION BIT(2) -#define COLLISIONS_16 BIT(1) - -/* Receive status register (DLCR1) */ -#define RX_STATUS_REG 1 -#define RX_PKT BIT(7) /* Packet received */ -#define BUS_RD_ERR BIT(6) -#define SHORT_PKT_ERR BIT(3) -#define ALIGN_ERR BIT(2) -#define CRC_ERR BIT(1) -#define RX_BUF_OVERFLOW BIT(0) - -/* Transmit Interrupt Enable Register (DLCR2) */ -#define TX_INTR_REG 2 -#define TX_INTR_DONE BIT(7) -#define TX_INTR_COL BIT(2) -#define TX_INTR_16_COL BIT(1) - -/* Receive Interrupt Enable Register (DLCR3) */ -#define RX_INTR_REG 3 -#define RX_INTR_RECEIVE BIT(7) -#define RX_INTR_SHORT_PKT BIT(3) -#define RX_INTR_CRC_ERR BIT(1) -#define RX_INTR_BUF_OVERFLOW BIT(0) - -/* Transmit Mode Register (DLCR4) */ -#define TRANSMIT_MODE_REG 4 -#define LOOPBACK_CONTROL BIT(1) -#define CONTROL_OUTPUT BIT(2) - -/* Receive Mode Register (DLCR5) */ -#define RECEIVE_MODE_REG 5 -#define RX_BUFFER_EMPTY BIT(6) -#define ACCEPT_BAD_PACKETS BIT(5) -#define RECEIVE_SHORT_ADDR BIT(4) -#define ACCEPT_SHORT_PACKETS BIT(3) -#define REMOTE_RESET BIT(2) - -#define ADDRESS_FILTER_MODE BIT(1) | BIT(0) -#define REJECT_ALL 0 -#define ACCEPT_ALL 3 -#define MODE_1 1 /* NODE ID, BC, MC, 2-24th bit */ -#define MODE_2 2 /* NODE ID, BC, MC, Hash Table */ - -/* Configuration Register 0 (DLCR6) */ -#define CONFIG_REG_0 6 -#define DLC_EN BIT(7) -#define SRAM_CYCLE_TIME_100NS BIT(6) -#define SYSTEM_BUS_WIDTH_8 BIT(5) /* 1 = 8bit, 0 = 16bit */ -#define BUFFER_WIDTH_8 BIT(4) /* 1 = 8bit, 0 = 16bit */ -#define TBS1 BIT(3) -#define TBS0 BIT(2) -#define SRAM_BS1 BIT(1) /* 00=8kb, 01=16kb */ -#define SRAM_BS0 BIT(0) /* 10=32kb, 11=64kb */ - -#ifndef ETH16I_TX_BUF_SIZE /* 0 = 2kb, 1 = 4kb */ -#define ETH16I_TX_BUF_SIZE 3 /* 2 = 8kb, 3 = 16kb */ -#endif -#define TX_BUF_1x2048 0 -#define TX_BUF_2x2048 1 -#define TX_BUF_2x4098 2 -#define TX_BUF_2x8192 3 - -/* Configuration Register 1 (DLCR7) */ -#define CONFIG_REG_1 7 -#define POWERUP BIT(5) - -/* Transmit start register */ -#define TRANSMIT_START_REG 10 -#define TRANSMIT_START_RB 2 -#define TX_START BIT(7) /* Rest of register bit indicate*/ - /* number of packets in tx buffer*/ -/* Node ID registers (DLCR8-13) */ -#define NODE_ID_0 8 -#define NODE_ID_RB 0 - -/* Hash Table registers (HT8-15) */ -#define HASH_TABLE_0 8 -#define HASH_TABLE_RB 1 - -/* Buffer memory ports */ -#define BUFFER_MEM_PORT_LB 8 -#define DATAPORT BUFFER_MEM_PORT_LB -#define BUFFER_MEM_PORT_HB 9 - -/* 16 Collision control register (BMPR11) */ -#define COL_16_REG 11 -#define HALT_ON_16 0x00 -#define RETRANS_AND_HALT_ON_16 0x02 - -/* Maximum number of attempts to send after 16 concecutive collisions */ -#define MAX_COL_16 10 - -/* DMA Burst and Transceiver Mode Register (BMPR13) */ -#define TRANSCEIVER_MODE_REG 13 -#define TRANSCEIVER_MODE_RB 2 -#define IO_BASE_UNLOCK BIT(7) -#define LOWER_SQUELCH_TRESH BIT(6) -#define LINK_TEST_DISABLE BIT(5) -#define AUI_SELECT BIT(4) -#define DIS_AUTO_PORT_SEL BIT(3) - -/* Filter Self Receive Register (BMPR14) */ -#define FILTER_SELF_RX_REG 14 -#define SKIP_RX_PACKET BIT(2) -#define FILTER_SELF_RECEIVE BIT(0) - -/* EEPROM Control Register (BMPR 16) */ -#define EEPROM_CTRL_REG 16 - -/* EEPROM Data Register (BMPR 17) */ -#define EEPROM_DATA_REG 17 - -/* NMC93CSx6 EEPROM Control Bits */ -#define CS_0 0x00 -#define CS_1 0x20 -#define SK_0 0x00 -#define SK_1 0x40 -#define DI_0 0x00 -#define DI_1 0x80 - -/* NMC93CSx6 EEPROM Instructions */ -#define EEPROM_READ 0x80 - -/* NMC93CSx6 EEPROM Addresses */ -#define E_NODEID_0 0x02 -#define E_NODEID_1 0x03 -#define E_NODEID_2 0x04 -#define E_PORT_SELECT 0x14 - #define E_PORT_BNC 0x00 - #define E_PORT_DIX 0x01 - #define E_PORT_TP 0x02 - #define E_PORT_AUTO 0x03 - #define E_PORT_FROM_EPROM 0x04 -#define E_PRODUCT_CFG 0x30 - - -/* Macro to slow down io between EEPROM clock transitions */ -#define eeprom_slow_io() do { int _i = 40; while(--_i > 0) { inb(0x80); }}while(0) - -/* Jumperless Configuration Register (BMPR19) */ -#define JUMPERLESS_CONFIG 19 - -/* ID ROM registers, writing to them also resets some parts of chip */ -#define ID_ROM_0 24 -#define ID_ROM_7 31 -#define RESET ID_ROM_0 - -/* This is the I/O address list to be probed when seeking the card */ -static unsigned int eth16i_portlist[] __initdata = { - 0x260, 0x280, 0x2A0, 0x240, 0x340, 0x320, 0x380, 0x300, 0 -}; - -static unsigned int eth32i_portlist[] __initdata = { - 0x1000, 0x2000, 0x3000, 0x4000, 0x5000, 0x6000, 0x7000, 0x8000, - 0x9000, 0xA000, 0xB000, 0xC000, 0xD000, 0xE000, 0xF000, 0 -}; - -/* This is the Interrupt lookup table for Eth16i card */ -static unsigned int eth16i_irqmap[] __initdata = { 9, 10, 5, 15, 0 }; -#define NUM_OF_ISA_IRQS 4 - -/* This is the Interrupt lookup table for Eth32i card */ -static unsigned int eth32i_irqmap[] __initdata = { 3, 5, 7, 9, 10, 11, 12, 15, 0 }; -#define EISA_IRQ_REG 0xc89 -#define NUM_OF_EISA_IRQS 8 - -static unsigned int eth16i_tx_buf_map[] = { 2048, 2048, 4096, 8192 }; - -/* Use 0 for production, 1 for verification, >2 for debug */ -#ifndef ETH16I_DEBUG -#define ETH16I_DEBUG 0 -#endif -static unsigned int eth16i_debug = ETH16I_DEBUG; - -/* Information for each board */ - -struct eth16i_local { - unsigned char tx_started; - unsigned char tx_buf_busy; - unsigned short tx_queue; /* Number of packets in transmit buffer */ - unsigned short tx_queue_len; - unsigned int tx_buf_size; - unsigned long open_time; - unsigned long tx_buffered_packets; - unsigned long tx_buffered_bytes; - unsigned long col_16; - spinlock_t lock; -}; - -/* Function prototypes */ - -static int eth16i_probe1(struct net_device *dev, int ioaddr); -static int eth16i_check_signature(int ioaddr); -static int eth16i_probe_port(int ioaddr); -static void eth16i_set_port(int ioaddr, int porttype); -static int eth16i_send_probe_packet(int ioaddr, unsigned char *b, int l); -static int eth16i_receive_probe_packet(int ioaddr); -static int eth16i_get_irq(int ioaddr); -static int eth16i_read_eeprom(int ioaddr, int offset); -static int eth16i_read_eeprom_word(int ioaddr); -static void eth16i_eeprom_cmd(int ioaddr, unsigned char command); -static int eth16i_open(struct net_device *dev); -static int eth16i_close(struct net_device *dev); -static netdev_tx_t eth16i_tx(struct sk_buff *skb, struct net_device *dev); -static void eth16i_rx(struct net_device *dev); -static void eth16i_timeout(struct net_device *dev); -static irqreturn_t eth16i_interrupt(int irq, void *dev_id); -static void eth16i_reset(struct net_device *dev); -static void eth16i_timeout(struct net_device *dev); -static void eth16i_skip_packet(struct net_device *dev); -static void eth16i_multicast(struct net_device *dev); -static void eth16i_select_regbank(unsigned char regbank, int ioaddr); -static void eth16i_initialize(struct net_device *dev, int boot); - -#if 0 -static int eth16i_set_irq(struct net_device *dev); -#endif - -#ifdef MODULE -static ushort eth16i_parse_mediatype(const char* s); -#endif - -static char cardname[] __initdata = "ICL EtherTeam 16i/32"; - -static int __init do_eth16i_probe(struct net_device *dev) -{ - int i; - int ioaddr; - int base_addr = dev->base_addr; - - if(eth16i_debug > 4) - printk(KERN_DEBUG "Probing started for %s\n", cardname); - - if(base_addr > 0x1ff) /* Check only single location */ - return eth16i_probe1(dev, base_addr); - else if(base_addr != 0) /* Don't probe at all */ - return -ENXIO; - - /* Seek card from the ISA io address space */ - for(i = 0; (ioaddr = eth16i_portlist[i]) ; i++) - if(eth16i_probe1(dev, ioaddr) == 0) - return 0; - - /* Seek card from the EISA io address space */ - for(i = 0; (ioaddr = eth32i_portlist[i]) ; i++) - if(eth16i_probe1(dev, ioaddr) == 0) - return 0; - - return -ENODEV; -} - -#ifndef MODULE -struct net_device * __init eth16i_probe(int unit) -{ - struct net_device *dev = alloc_etherdev(sizeof(struct eth16i_local)); - int err; - - if (!dev) - return ERR_PTR(-ENOMEM); - - sprintf(dev->name, "eth%d", unit); - netdev_boot_setup_check(dev); - - err = do_eth16i_probe(dev); - if (err) - goto out; - return dev; -out: - free_netdev(dev); - return ERR_PTR(err); -} -#endif - -static const struct net_device_ops eth16i_netdev_ops = { - .ndo_open = eth16i_open, - .ndo_stop = eth16i_close, - .ndo_start_xmit = eth16i_tx, - .ndo_set_rx_mode = eth16i_multicast, - .ndo_tx_timeout = eth16i_timeout, - .ndo_change_mtu = eth_change_mtu, - .ndo_set_mac_address = eth_mac_addr, - .ndo_validate_addr = eth_validate_addr, -}; - -static int __init eth16i_probe1(struct net_device *dev, int ioaddr) -{ - struct eth16i_local *lp = netdev_priv(dev); - static unsigned version_printed; - int retval; - - /* Let's grab the region */ - if (!request_region(ioaddr, ETH16I_IO_EXTENT, cardname)) - return -EBUSY; - - /* - The MB86985 chip has on register which holds information in which - io address the chip lies. First read this register and compare - it to our current io address and if match then this could - be our chip. - */ - - if(ioaddr < 0x1000) { - if(eth16i_portlist[(inb(ioaddr + JUMPERLESS_CONFIG) & 0x07)] - != ioaddr) { - retval = -ENODEV; - goto out; - } - } - - /* Now we will go a bit deeper and try to find the chip's signature */ - - if(eth16i_check_signature(ioaddr) != 0) { - retval = -ENODEV; - goto out; - } - - /* - Now it seems that we have found a ethernet chip in this particular - ioaddr. The MB86985 chip has this feature, that when you read a - certain register it will increase it's io base address to next - configurable slot. Now when we have found the chip, first thing is - to make sure that the chip's ioaddr will hold still here. - */ - - eth16i_select_regbank(TRANSCEIVER_MODE_RB, ioaddr); - outb(0x00, ioaddr + TRANSCEIVER_MODE_REG); - - outb(0x00, ioaddr + RESET); /* Reset some parts of chip */ - BITSET(ioaddr + CONFIG_REG_0, BIT(7)); /* Disable the data link */ - - if( (eth16i_debug & version_printed++) == 0) - printk(KERN_INFO "%s", version); - - dev->base_addr = ioaddr; - dev->irq = eth16i_get_irq(ioaddr); - - /* Try to obtain interrupt vector */ - - if ((retval = request_irq(dev->irq, (void *)ð16i_interrupt, 0, cardname, dev))) { - printk(KERN_WARNING "%s at %#3x, but is unusable due to conflicting IRQ %d.\n", - cardname, ioaddr, dev->irq); - goto out; - } - - printk(KERN_INFO "%s: %s at %#3x, IRQ %d, ", - dev->name, cardname, ioaddr, dev->irq); - - - /* Now we will have to lock the chip's io address */ - eth16i_select_regbank(TRANSCEIVER_MODE_RB, ioaddr); - outb(0x38, ioaddr + TRANSCEIVER_MODE_REG); - - eth16i_initialize(dev, 1); /* Initialize rest of the chip's registers */ - - /* Now let's same some energy by shutting down the chip ;) */ - BITCLR(ioaddr + CONFIG_REG_1, POWERUP); - - /* Initialize the device structure */ - dev->netdev_ops = ð16i_netdev_ops; - dev->watchdog_timeo = TX_TIMEOUT; - spin_lock_init(&lp->lock); - - retval = register_netdev(dev); - if (retval) - goto out1; - return 0; -out1: - free_irq(dev->irq, dev); -out: - release_region(ioaddr, ETH16I_IO_EXTENT); - return retval; -} - - -static void eth16i_initialize(struct net_device *dev, int boot) -{ - int ioaddr = dev->base_addr; - int i, node_w = 0; - unsigned char node_byte = 0; - - /* Setup station address */ - eth16i_select_regbank(NODE_ID_RB, ioaddr); - for(i = 0 ; i < 3 ; i++) { - unsigned short node_val = eth16i_read_eeprom(ioaddr, E_NODEID_0 + i); - ((unsigned short *)dev->dev_addr)[i] = ntohs(node_val); - } - - for(i = 0; i < 6; i++) { - outb( ((unsigned char *)dev->dev_addr)[i], ioaddr + NODE_ID_0 + i); - if(boot) { - printk("%02x", inb(ioaddr + NODE_ID_0 + i)); - if(i != 5) - printk(":"); - } - } - - /* Now we will set multicast addresses to accept none */ - eth16i_select_regbank(HASH_TABLE_RB, ioaddr); - for(i = 0; i < 8; i++) - outb(0x00, ioaddr + HASH_TABLE_0 + i); - - /* - Now let's disable the transmitter and receiver, set the buffer ram - cycle time, bus width and buffer data path width. Also we shall - set transmit buffer size and total buffer size. - */ - - eth16i_select_regbank(2, ioaddr); - - node_byte = 0; - node_w = eth16i_read_eeprom(ioaddr, E_PRODUCT_CFG); - - if( (node_w & 0xFF00) == 0x0800) - node_byte |= BUFFER_WIDTH_8; - - node_byte |= SRAM_BS1; - - if( (node_w & 0x00FF) == 64) - node_byte |= SRAM_BS0; - - node_byte |= DLC_EN | SRAM_CYCLE_TIME_100NS | (ETH16I_TX_BUF_SIZE << 2); - - outb(node_byte, ioaddr + CONFIG_REG_0); - - /* We shall halt the transmitting, if 16 collisions are detected */ - outb(HALT_ON_16, ioaddr + COL_16_REG); - -#ifdef MODULE - /* if_port already set by init_module() */ -#else - dev->if_port = (dev->mem_start < E_PORT_FROM_EPROM) ? - dev->mem_start : E_PORT_FROM_EPROM; -#endif - - /* Set interface port type */ - if(boot) { - static const char * const porttype[] = { - "BNC", "DIX", "TP", "AUTO", "FROM_EPROM" - }; - - switch(dev->if_port) - { - - case E_PORT_FROM_EPROM: - dev->if_port = eth16i_read_eeprom(ioaddr, E_PORT_SELECT); - break; - - case E_PORT_AUTO: - dev->if_port = eth16i_probe_port(ioaddr); - break; - - case E_PORT_BNC: - case E_PORT_TP: - case E_PORT_DIX: - break; - } - - printk(" %s interface.\n", porttype[dev->if_port]); - - eth16i_set_port(ioaddr, dev->if_port); - } - - /* Set Receive Mode to normal operation */ - outb(MODE_2, ioaddr + RECEIVE_MODE_REG); -} - -static int eth16i_probe_port(int ioaddr) -{ - int i; - int retcode; - unsigned char dummy_packet[64]; - - /* Powerup the chip */ - outb(0xc0 | POWERUP, ioaddr + CONFIG_REG_1); - - BITSET(ioaddr + CONFIG_REG_0, DLC_EN); - - eth16i_select_regbank(NODE_ID_RB, ioaddr); - - for(i = 0; i < 6; i++) { - dummy_packet[i] = inb(ioaddr + NODE_ID_0 + i); - dummy_packet[i+6] = inb(ioaddr + NODE_ID_0 + i); - } - - dummy_packet[12] = 0x00; - dummy_packet[13] = 0x04; - memset(dummy_packet + 14, 0, sizeof(dummy_packet) - 14); - - eth16i_select_regbank(2, ioaddr); - - for(i = 0; i < 3; i++) { - BITSET(ioaddr + CONFIG_REG_0, DLC_EN); - BITCLR(ioaddr + CONFIG_REG_0, DLC_EN); - eth16i_set_port(ioaddr, i); - - if(eth16i_debug > 1) - printk(KERN_DEBUG "Set port number %d\n", i); - - retcode = eth16i_send_probe_packet(ioaddr, dummy_packet, 64); - if(retcode == 0) { - retcode = eth16i_receive_probe_packet(ioaddr); - if(retcode != -1) { - if(eth16i_debug > 1) - printk(KERN_DEBUG "Eth16i interface port found at %d\n", i); - return i; - } - } - else { - if(eth16i_debug > 1) - printk(KERN_DEBUG "TRANSMIT_DONE timeout when probing interface port\n"); - } - } - - if( eth16i_debug > 1) - printk(KERN_DEBUG "Using default port\n"); - - return E_PORT_BNC; -} - -static void eth16i_set_port(int ioaddr, int porttype) -{ - unsigned short temp = 0; - - eth16i_select_regbank(TRANSCEIVER_MODE_RB, ioaddr); - outb(LOOPBACK_CONTROL, ioaddr + TRANSMIT_MODE_REG); - - temp |= DIS_AUTO_PORT_SEL; - - switch(porttype) { - - case E_PORT_BNC : - temp |= AUI_SELECT; - break; - - case E_PORT_TP : - break; - - case E_PORT_DIX : - temp |= AUI_SELECT; - BITSET(ioaddr + TRANSMIT_MODE_REG, CONTROL_OUTPUT); - break; - } - - outb(temp, ioaddr + TRANSCEIVER_MODE_REG); - - if(eth16i_debug > 1) { - printk(KERN_DEBUG "TRANSMIT_MODE_REG = %x\n", inb(ioaddr + TRANSMIT_MODE_REG)); - printk(KERN_DEBUG "TRANSCEIVER_MODE_REG = %x\n", - inb(ioaddr+TRANSCEIVER_MODE_REG)); - } -} - -static int eth16i_send_probe_packet(int ioaddr, unsigned char *b, int l) -{ - unsigned long starttime; - - outb(0xff, ioaddr + TX_STATUS_REG); - - outw(l, ioaddr + DATAPORT); - outsw(ioaddr + DATAPORT, (unsigned short *)b, (l + 1) >> 1); - - starttime = jiffies; - outb(TX_START | 1, ioaddr + TRANSMIT_START_REG); - - while( (inb(ioaddr + TX_STATUS_REG) & 0x80) == 0) { - if( time_after(jiffies, starttime + TX_TIMEOUT)) { - return -1; - } - } - - return 0; -} - -static int eth16i_receive_probe_packet(int ioaddr) -{ - unsigned long starttime; - - starttime = jiffies; - - while((inb(ioaddr + TX_STATUS_REG) & 0x20) == 0) { - if( time_after(jiffies, starttime + TX_TIMEOUT)) { - - if(eth16i_debug > 1) - printk(KERN_DEBUG "Timeout occurred waiting transmit packet received\n"); - starttime = jiffies; - while((inb(ioaddr + RX_STATUS_REG) & 0x80) == 0) { - if( time_after(jiffies, starttime + TX_TIMEOUT)) { - if(eth16i_debug > 1) - printk(KERN_DEBUG "Timeout occurred waiting receive packet\n"); - return -1; - } - } - - if(eth16i_debug > 1) - printk(KERN_DEBUG "RECEIVE_PACKET\n"); - return 0; /* Found receive packet */ - } - } - - if(eth16i_debug > 1) { - printk(KERN_DEBUG "TRANSMIT_PACKET_RECEIVED %x\n", inb(ioaddr + TX_STATUS_REG)); - printk(KERN_DEBUG "RX_STATUS_REG = %x\n", inb(ioaddr + RX_STATUS_REG)); - } - - return 0; /* Return success */ -} - -#if 0 -static int eth16i_set_irq(struct net_device* dev) -{ - const int ioaddr = dev->base_addr; - const int irq = dev->irq; - int i = 0; - - if(ioaddr < 0x1000) { - while(eth16i_irqmap[i] && eth16i_irqmap[i] != irq) - i++; - - if(i < NUM_OF_ISA_IRQS) { - u8 cbyte = inb(ioaddr + JUMPERLESS_CONFIG); - cbyte = (cbyte & 0x3F) | (i << 6); - outb(cbyte, ioaddr + JUMPERLESS_CONFIG); - return 0; - } - } - else { - printk(KERN_NOTICE "%s: EISA Interrupt cannot be set. Use EISA Configuration utility.\n", dev->name); - } - - return -1; - -} -#endif - -static int __init eth16i_get_irq(int ioaddr) -{ - unsigned char cbyte; - - if( ioaddr < 0x1000) { - cbyte = inb(ioaddr + JUMPERLESS_CONFIG); - return eth16i_irqmap[((cbyte & 0xC0) >> 6)]; - } else { /* Oh..the card is EISA so method getting IRQ different */ - unsigned short index = 0; - cbyte = inb(ioaddr + EISA_IRQ_REG); - while( (cbyte & 0x01) == 0) { - cbyte = cbyte >> 1; - index++; - } - return eth32i_irqmap[index]; - } -} - -static int __init eth16i_check_signature(int ioaddr) -{ - int i; - unsigned char creg[4] = { 0 }; - - for(i = 0; i < 4 ; i++) { - - creg[i] = inb(ioaddr + TRANSMIT_MODE_REG + i); - - if(eth16i_debug > 1) - printk("eth16i: read signature byte %x at %x\n", - creg[i], - ioaddr + TRANSMIT_MODE_REG + i); - } - - creg[0] &= 0x0F; /* Mask collision cnr */ - creg[2] &= 0x7F; /* Mask DCLEN bit */ - -#if 0 - /* - This was removed because the card was sometimes left to state - from which it couldn't be find anymore. If there is need - to more strict check still this have to be fixed. - */ - if( ! ((creg[0] == 0x06) && (creg[1] == 0x41)) ) { - if(creg[1] != 0x42) - return -1; - } -#endif - - if( !((creg[2] == 0x36) && (creg[3] == 0xE0)) ) { - creg[2] &= 0x40; - creg[3] &= 0x03; - - if( !((creg[2] == 0x40) && (creg[3] == 0x00)) ) - return -1; - } - - if(eth16i_read_eeprom(ioaddr, E_NODEID_0) != 0) - return -1; - - if((eth16i_read_eeprom(ioaddr, E_NODEID_1) & 0xFF00) != 0x4B00) - return -1; - - return 0; -} - -static int eth16i_read_eeprom(int ioaddr, int offset) -{ - int data = 0; - - eth16i_eeprom_cmd(ioaddr, EEPROM_READ | offset); - outb(CS_1, ioaddr + EEPROM_CTRL_REG); - data = eth16i_read_eeprom_word(ioaddr); - outb(CS_0 | SK_0, ioaddr + EEPROM_CTRL_REG); - - return data; -} - -static int eth16i_read_eeprom_word(int ioaddr) -{ - int i; - int data = 0; - - for(i = 16; i > 0; i--) { - outb(CS_1 | SK_0, ioaddr + EEPROM_CTRL_REG); - eeprom_slow_io(); - outb(CS_1 | SK_1, ioaddr + EEPROM_CTRL_REG); - eeprom_slow_io(); - data = (data << 1) | - ((inb(ioaddr + EEPROM_DATA_REG) & DI_1) ? 1 : 0); - - eeprom_slow_io(); - } - - return data; -} - -static void eth16i_eeprom_cmd(int ioaddr, unsigned char command) -{ - int i; - - outb(CS_0 | SK_0, ioaddr + EEPROM_CTRL_REG); - outb(DI_0, ioaddr + EEPROM_DATA_REG); - outb(CS_1 | SK_0, ioaddr + EEPROM_CTRL_REG); - outb(DI_1, ioaddr + EEPROM_DATA_REG); - outb(CS_1 | SK_1, ioaddr + EEPROM_CTRL_REG); - - for(i = 7; i >= 0; i--) { - short cmd = ( (command & (1 << i)) ? DI_1 : DI_0 ); - outb(cmd, ioaddr + EEPROM_DATA_REG); - outb(CS_1 | SK_0, ioaddr + EEPROM_CTRL_REG); - eeprom_slow_io(); - outb(CS_1 | SK_1, ioaddr + EEPROM_CTRL_REG); - eeprom_slow_io(); - } -} - -static int eth16i_open(struct net_device *dev) -{ - struct eth16i_local *lp = netdev_priv(dev); - int ioaddr = dev->base_addr; - - /* Powerup the chip */ - outb(0xc0 | POWERUP, ioaddr + CONFIG_REG_1); - - /* Initialize the chip */ - eth16i_initialize(dev, 0); - - /* Set the transmit buffer size */ - lp->tx_buf_size = eth16i_tx_buf_map[ETH16I_TX_BUF_SIZE & 0x03]; - - if(eth16i_debug > 0) - printk(KERN_DEBUG "%s: transmit buffer size %d\n", - dev->name, lp->tx_buf_size); - - /* Now enable Transmitter and Receiver sections */ - BITCLR(ioaddr + CONFIG_REG_0, DLC_EN); - - /* Now switch to register bank 2, for run time operation */ - eth16i_select_regbank(2, ioaddr); - - lp->open_time = jiffies; - lp->tx_started = 0; - lp->tx_queue = 0; - lp->tx_queue_len = 0; - - /* Turn on interrupts*/ - outw(ETH16I_INTR_ON, ioaddr + TX_INTR_REG); - - netif_start_queue(dev); - return 0; -} - -static int eth16i_close(struct net_device *dev) -{ - struct eth16i_local *lp = netdev_priv(dev); - int ioaddr = dev->base_addr; - - eth16i_reset(dev); - - /* Turn off interrupts*/ - outw(ETH16I_INTR_OFF, ioaddr + TX_INTR_REG); - - netif_stop_queue(dev); - - lp->open_time = 0; - - /* Disable transmit and receive */ - BITSET(ioaddr + CONFIG_REG_0, DLC_EN); - - /* Reset the chip */ - /* outb(0xff, ioaddr + RESET); */ - /* outw(0xffff, ioaddr + TX_STATUS_REG); */ - - outb(0x00, ioaddr + CONFIG_REG_1); - - return 0; -} - -static void eth16i_timeout(struct net_device *dev) -{ - struct eth16i_local *lp = netdev_priv(dev); - int ioaddr = dev->base_addr; - /* - If we get here, some higher level has decided that - we are broken. There should really be a "kick me" - function call instead. - */ - - outw(ETH16I_INTR_OFF, ioaddr + TX_INTR_REG); - printk(KERN_WARNING "%s: transmit timed out with status %04x, %s ?\n", - dev->name, - inw(ioaddr + TX_STATUS_REG), (inb(ioaddr + TX_STATUS_REG) & TX_DONE) ? - "IRQ conflict" : "network cable problem"); - - dev->trans_start = jiffies; /* prevent tx timeout */ - - /* Let's dump all registers */ - if(eth16i_debug > 0) { - printk(KERN_DEBUG "%s: timeout: %02x %02x %02x %02x %02x %02x %02x %02x.\n", - dev->name, inb(ioaddr + 0), - inb(ioaddr + 1), inb(ioaddr + 2), - inb(ioaddr + 3), inb(ioaddr + 4), - inb(ioaddr + 5), - inb(ioaddr + 6), inb(ioaddr + 7)); - - printk(KERN_DEBUG "%s: transmit start reg: %02x. collision reg %02x\n", - dev->name, inb(ioaddr + TRANSMIT_START_REG), - inb(ioaddr + COL_16_REG)); - printk(KERN_DEBUG "lp->tx_queue = %d\n", lp->tx_queue); - printk(KERN_DEBUG "lp->tx_queue_len = %d\n", lp->tx_queue_len); - printk(KERN_DEBUG "lp->tx_started = %d\n", lp->tx_started); - } - dev->stats.tx_errors++; - eth16i_reset(dev); - dev->trans_start = jiffies; /* prevent tx timeout */ - outw(ETH16I_INTR_ON, ioaddr + TX_INTR_REG); - netif_wake_queue(dev); -} - -static netdev_tx_t eth16i_tx(struct sk_buff *skb, struct net_device *dev) -{ - struct eth16i_local *lp = netdev_priv(dev); - int ioaddr = dev->base_addr; - int status = 0; - ushort length = skb->len; - unsigned char *buf; - unsigned long flags; - - if (length < ETH_ZLEN) { - if (skb_padto(skb, ETH_ZLEN)) - return NETDEV_TX_OK; - length = ETH_ZLEN; - } - buf = skb->data; - - netif_stop_queue(dev); - - /* Turn off TX interrupts */ - outw(ETH16I_INTR_OFF, ioaddr + TX_INTR_REG); - - /* We would be better doing the disable_irq tricks the 3c509 does, - that would make this suck a lot less */ - - spin_lock_irqsave(&lp->lock, flags); - - if( (length + 2) > (lp->tx_buf_size - lp->tx_queue_len)) { - if(eth16i_debug > 0) - printk(KERN_WARNING "%s: Transmit buffer full.\n", dev->name); - } - else { - outw(length, ioaddr + DATAPORT); - - if( ioaddr < 0x1000 ) - outsw(ioaddr + DATAPORT, buf, (length + 1) >> 1); - else { - unsigned char frag = length % 4; - outsl(ioaddr + DATAPORT, buf, length >> 2); - if( frag != 0 ) { - outsw(ioaddr + DATAPORT, (buf + (length & 0xFFFC)), 1); - if( frag == 3 ) - outsw(ioaddr + DATAPORT, - (buf + (length & 0xFFFC) + 2), 1); - } - } - lp->tx_buffered_packets++; - lp->tx_buffered_bytes = length; - lp->tx_queue++; - lp->tx_queue_len += length + 2; - } - lp->tx_buf_busy = 0; - - if(lp->tx_started == 0) { - /* If the transmitter is idle..always trigger a transmit */ - outb(TX_START | lp->tx_queue, ioaddr + TRANSMIT_START_REG); - lp->tx_queue = 0; - lp->tx_queue_len = 0; - lp->tx_started = 1; - netif_wake_queue(dev); - } - else if(lp->tx_queue_len < lp->tx_buf_size - (ETH_FRAME_LEN + 2)) { - /* There is still more room for one more packet in tx buffer */ - netif_wake_queue(dev); - } - - spin_unlock_irqrestore(&lp->lock, flags); - - outw(ETH16I_INTR_ON, ioaddr + TX_INTR_REG); - /* Turn TX interrupts back on */ - /* outb(TX_INTR_DONE | TX_INTR_16_COL, ioaddr + TX_INTR_REG); */ - status = 0; - dev_kfree_skb(skb); - return NETDEV_TX_OK; -} - -static void eth16i_rx(struct net_device *dev) -{ - int ioaddr = dev->base_addr; - int boguscount = MAX_RX_LOOP; - - /* Loop until all packets have been read */ - while( (inb(ioaddr + RECEIVE_MODE_REG) & RX_BUFFER_EMPTY) == 0) { - - /* Read status byte from receive buffer */ - ushort status = inw(ioaddr + DATAPORT); - - /* Get the size of the packet from receive buffer */ - ushort pkt_len = inw(ioaddr + DATAPORT); - - if(eth16i_debug > 4) - printk(KERN_DEBUG "%s: Receiving packet mode %02x status %04x.\n", - dev->name, - inb(ioaddr + RECEIVE_MODE_REG), status); - - if( !(status & PKT_GOOD) ) { - dev->stats.rx_errors++; - - if( (pkt_len < ETH_ZLEN) || (pkt_len > ETH_FRAME_LEN) ) { - dev->stats.rx_length_errors++; - eth16i_reset(dev); - return; - } - else { - eth16i_skip_packet(dev); - dev->stats.rx_dropped++; - } - } - else { /* Ok so now we should have a good packet */ - struct sk_buff *skb; - - skb = netdev_alloc_skb(dev, pkt_len + 3); - if( skb == NULL ) { - printk(KERN_WARNING "%s: Could'n allocate memory for packet (len %d)\n", - dev->name, pkt_len); - eth16i_skip_packet(dev); - dev->stats.rx_dropped++; - break; - } - - skb_reserve(skb,2); - - /* - Now let's get the packet out of buffer. - size is (pkt_len + 1) >> 1, cause we are now reading words - and it have to be even aligned. - */ - - if(ioaddr < 0x1000) - insw(ioaddr + DATAPORT, skb_put(skb, pkt_len), - (pkt_len + 1) >> 1); - else { - unsigned char *buf = skb_put(skb, pkt_len); - unsigned char frag = pkt_len % 4; - - insl(ioaddr + DATAPORT, buf, pkt_len >> 2); - - if(frag != 0) { - unsigned short rest[2]; - rest[0] = inw( ioaddr + DATAPORT ); - if(frag == 3) - rest[1] = inw( ioaddr + DATAPORT ); - - memcpy(buf + (pkt_len & 0xfffc), (char *)rest, frag); - } - } - - skb->protocol=eth_type_trans(skb, dev); - - if( eth16i_debug > 5 ) { - int i; - printk(KERN_DEBUG "%s: Received packet of length %d.\n", - dev->name, pkt_len); - for(i = 0; i < 14; i++) - printk(KERN_DEBUG " %02x", skb->data[i]); - printk(KERN_DEBUG ".\n"); - } - netif_rx(skb); - dev->stats.rx_packets++; - dev->stats.rx_bytes += pkt_len; - - } /* else */ - - if(--boguscount <= 0) - break; - - } /* while */ -} - -static irqreturn_t eth16i_interrupt(int irq, void *dev_id) -{ - struct net_device *dev = dev_id; - struct eth16i_local *lp; - int ioaddr = 0, status; - int handled = 0; - - ioaddr = dev->base_addr; - lp = netdev_priv(dev); - - /* Turn off all interrupts from adapter */ - outw(ETH16I_INTR_OFF, ioaddr + TX_INTR_REG); - - /* eth16i_tx won't be called */ - spin_lock(&lp->lock); - - status = inw(ioaddr + TX_STATUS_REG); /* Get the status */ - outw(status, ioaddr + TX_STATUS_REG); /* Clear status bits */ - - if (status) - handled = 1; - - if(eth16i_debug > 3) - printk(KERN_DEBUG "%s: Interrupt with status %04x.\n", dev->name, status); - - if( status & 0x7f00 ) { - - dev->stats.rx_errors++; - - if(status & (BUS_RD_ERR << 8) ) - printk(KERN_WARNING "%s: Bus read error.\n",dev->name); - if(status & (SHORT_PKT_ERR << 8) ) dev->stats.rx_length_errors++; - if(status & (ALIGN_ERR << 8) ) dev->stats.rx_frame_errors++; - if(status & (CRC_ERR << 8) ) dev->stats.rx_crc_errors++; - if(status & (RX_BUF_OVERFLOW << 8) ) dev->stats.rx_over_errors++; - } - if( status & 0x001a) { - - dev->stats.tx_errors++; - - if(status & CR_LOST) dev->stats.tx_carrier_errors++; - if(status & TX_JABBER_ERR) dev->stats.tx_window_errors++; - -#if 0 - if(status & COLLISION) { - dev->stats.collisions += - ((inb(ioaddr+TRANSMIT_MODE_REG) & 0xF0) >> 4); - } -#endif - if(status & COLLISIONS_16) { - if(lp->col_16 < MAX_COL_16) { - lp->col_16++; - dev->stats.collisions++; - /* Resume transmitting, skip failed packet */ - outb(0x02, ioaddr + COL_16_REG); - } - else { - printk(KERN_WARNING "%s: bailing out due to many consecutive 16-in-a-row collisions. Network cable problem?\n", dev->name); - } - } - } - - if( status & 0x00ff ) { /* Let's check the transmit status reg */ - - if(status & TX_DONE) { /* The transmit has been done */ - dev->stats.tx_packets = lp->tx_buffered_packets; - dev->stats.tx_bytes += lp->tx_buffered_bytes; - lp->col_16 = 0; - - if(lp->tx_queue) { /* Is there still packets ? */ - /* There was packet(s) so start transmitting and write also - how many packets there is to be sended */ - outb(TX_START | lp->tx_queue, ioaddr + TRANSMIT_START_REG); - lp->tx_queue = 0; - lp->tx_queue_len = 0; - lp->tx_started = 1; - } - else { - lp->tx_started = 0; - } - netif_wake_queue(dev); - } - } - - if( ( status & 0x8000 ) || - ( (inb(ioaddr + RECEIVE_MODE_REG) & RX_BUFFER_EMPTY) == 0) ) { - eth16i_rx(dev); /* We have packet in receive buffer */ - } - - /* Turn interrupts back on */ - outw(ETH16I_INTR_ON, ioaddr + TX_INTR_REG); - - if(lp->tx_queue_len < lp->tx_buf_size - (ETH_FRAME_LEN + 2)) { - /* There is still more room for one more packet in tx buffer */ - netif_wake_queue(dev); - } - - spin_unlock(&lp->lock); - - return IRQ_RETVAL(handled); -} - -static void eth16i_skip_packet(struct net_device *dev) -{ - int ioaddr = dev->base_addr; - - inw(ioaddr + DATAPORT); - inw(ioaddr + DATAPORT); - inw(ioaddr + DATAPORT); - - outb(SKIP_RX_PACKET, ioaddr + FILTER_SELF_RX_REG); - while( inb( ioaddr + FILTER_SELF_RX_REG ) != 0); -} - -static void eth16i_reset(struct net_device *dev) -{ - struct eth16i_local *lp = netdev_priv(dev); - int ioaddr = dev->base_addr; - - if(eth16i_debug > 1) - printk(KERN_DEBUG "%s: Resetting device.\n", dev->name); - - BITSET(ioaddr + CONFIG_REG_0, DLC_EN); - outw(0xffff, ioaddr + TX_STATUS_REG); - eth16i_select_regbank(2, ioaddr); - - lp->tx_started = 0; - lp->tx_buf_busy = 0; - lp->tx_queue = 0; - lp->tx_queue_len = 0; - BITCLR(ioaddr + CONFIG_REG_0, DLC_EN); -} - -static void eth16i_multicast(struct net_device *dev) -{ - int ioaddr = dev->base_addr; - - if (!netdev_mc_empty(dev) || dev->flags&(IFF_ALLMULTI|IFF_PROMISC)) - { - outb(3, ioaddr + RECEIVE_MODE_REG); - } else { - outb(2, ioaddr + RECEIVE_MODE_REG); - } -} - -static void eth16i_select_regbank(unsigned char banknbr, int ioaddr) -{ - unsigned char data; - - data = inb(ioaddr + CONFIG_REG_1); - outb( ((data & 0xF3) | ( (banknbr & 0x03) << 2)), ioaddr + CONFIG_REG_1); -} - -#ifdef MODULE - -static ushort eth16i_parse_mediatype(const char* s) -{ - if(!s) - return E_PORT_FROM_EPROM; - - if (!strncmp(s, "bnc", 3)) - return E_PORT_BNC; - else if (!strncmp(s, "tp", 2)) - return E_PORT_TP; - else if (!strncmp(s, "dix", 3)) - return E_PORT_DIX; - else if (!strncmp(s, "auto", 4)) - return E_PORT_AUTO; - else - return E_PORT_FROM_EPROM; -} - -#define MAX_ETH16I_CARDS 4 /* Max number of Eth16i cards per module */ - -static struct net_device *dev_eth16i[MAX_ETH16I_CARDS]; -static int io[MAX_ETH16I_CARDS]; -#if 0 -static int irq[MAX_ETH16I_CARDS]; -#endif -static char* mediatype[MAX_ETH16I_CARDS]; -static int debug = -1; - -MODULE_AUTHOR("Mika Kuoppala <miku@iki.fi>"); -MODULE_DESCRIPTION("ICL EtherTeam 16i/32 driver"); -MODULE_LICENSE("GPL"); - - -module_param_array(io, int, NULL, 0); -MODULE_PARM_DESC(io, "eth16i I/O base address(es)"); - -#if 0 -module_param_array(irq, int, NULL, 0); -MODULE_PARM_DESC(irq, "eth16i interrupt request number"); -#endif - -module_param_array(mediatype, charp, NULL, 0); -MODULE_PARM_DESC(mediatype, "eth16i media type of interface(s) (bnc,tp,dix,auto,eprom)"); - -module_param(debug, int, 0); -MODULE_PARM_DESC(debug, "eth16i debug level (0-6)"); - -int __init init_module(void) -{ - int this_dev, found = 0; - struct net_device *dev; - - for (this_dev = 0; this_dev < MAX_ETH16I_CARDS; this_dev++) { - dev = alloc_etherdev(sizeof(struct eth16i_local)); - if (!dev) - break; - - dev->base_addr = io[this_dev]; - - if(debug != -1) - eth16i_debug = debug; - - if(eth16i_debug > 1) - printk(KERN_NOTICE "eth16i(%d): interface type %s\n", this_dev, mediatype[this_dev] ? mediatype[this_dev] : "none" ); - - dev->if_port = eth16i_parse_mediatype(mediatype[this_dev]); - - if(io[this_dev] == 0) { - if (this_dev != 0) { /* Only autoprobe 1st one */ - free_netdev(dev); - break; - } - - printk(KERN_NOTICE "eth16i.c: Presently autoprobing (not recommended) for a single card.\n"); - } - - if (do_eth16i_probe(dev) == 0) { - dev_eth16i[found++] = dev; - continue; - } - printk(KERN_WARNING "eth16i.c No Eth16i card found (i/o = 0x%x).\n", - io[this_dev]); - free_netdev(dev); - break; - } - if (found) - return 0; - return -ENXIO; -} - -void __exit cleanup_module(void) -{ - int this_dev; - - for(this_dev = 0; this_dev < MAX_ETH16I_CARDS; this_dev++) { - struct net_device *dev = dev_eth16i[this_dev]; - - if (netdev_priv(dev)) { - unregister_netdev(dev); - free_irq(dev->irq, dev); - release_region(dev->base_addr, ETH16I_IO_EXTENT); - free_netdev(dev); - } - } -} -#endif /* MODULE */ |