diff options
Diffstat (limited to 'drivers/net/au1000_eth.c')
| -rw-r--r-- | drivers/net/au1000_eth.c | 2262 |
1 files changed, 0 insertions, 2262 deletions
diff --git a/drivers/net/au1000_eth.c b/drivers/net/au1000_eth.c deleted file mode 100644 index 332e9953c55..00000000000 --- a/drivers/net/au1000_eth.c +++ /dev/null @@ -1,2262 +0,0 @@ -/* - * - * Alchemy Au1x00 ethernet driver - * - * Copyright 2001,2002,2003 MontaVista Software Inc. - * Copyright 2002 TimeSys Corp. - * Added ethtool/mii-tool support, - * Copyright 2004 Matt Porter <mporter@kernel.crashing.org> - * Update: 2004 Bjoern Riemer, riemer@fokus.fraunhofer.de - * or riemer@riemer-nt.de: fixed the link beat detection with - * ioctls (SIOCGMIIPHY) - * Author: MontaVista Software, Inc. - * ppopov@mvista.com or source@mvista.com - * - * ######################################################################## - * - * This program is free software; you can distribute it and/or modify it - * under the terms of the GNU General Public License (Version 2) as - * published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. - * - * ######################################################################## - * - * - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/sched.h> -#include <linux/string.h> -#include <linux/timer.h> -#include <linux/errno.h> -#include <linux/in.h> -#include <linux/ioport.h> -#include <linux/bitops.h> -#include <linux/slab.h> -#include <linux/interrupt.h> -#include <linux/pci.h> -#include <linux/init.h> -#include <linux/netdevice.h> -#include <linux/etherdevice.h> -#include <linux/ethtool.h> -#include <linux/mii.h> -#include <linux/skbuff.h> -#include <linux/delay.h> -#include <asm/mipsregs.h> -#include <asm/irq.h> -#include <asm/io.h> -#include <asm/processor.h> - -#include <asm/mach-au1x00/au1000.h> -#include <asm/cpu.h> -#include "au1000_eth.h" - -#ifdef AU1000_ETH_DEBUG -static int au1000_debug = 5; -#else -static int au1000_debug = 3; -#endif - -#define DRV_NAME "au1000eth" -#define DRV_VERSION "1.5" -#define DRV_AUTHOR "Pete Popov <ppopov@embeddedalley.com>" -#define DRV_DESC "Au1xxx on-chip Ethernet driver" - -MODULE_AUTHOR(DRV_AUTHOR); -MODULE_DESCRIPTION(DRV_DESC); -MODULE_LICENSE("GPL"); - -// prototypes -static void hard_stop(struct net_device *); -static void enable_rx_tx(struct net_device *dev); -static struct net_device * au1000_probe(u32 ioaddr, int irq, int port_num); -static int au1000_init(struct net_device *); -static int au1000_open(struct net_device *); -static int au1000_close(struct net_device *); -static int au1000_tx(struct sk_buff *, struct net_device *); -static int au1000_rx(struct net_device *); -static irqreturn_t au1000_interrupt(int, void *, struct pt_regs *); -static void au1000_tx_timeout(struct net_device *); -static int au1000_set_config(struct net_device *dev, struct ifmap *map); -static void set_rx_mode(struct net_device *); -static struct net_device_stats *au1000_get_stats(struct net_device *); -static inline void update_tx_stats(struct net_device *, u32, u32); -static inline void update_rx_stats(struct net_device *, u32); -static void au1000_timer(unsigned long); -static int au1000_ioctl(struct net_device *, struct ifreq *, int); -static int mdio_read(struct net_device *, int, int); -static void mdio_write(struct net_device *, int, int, u16); -static void dump_mii(struct net_device *dev, int phy_id); - -// externs -extern void ack_rise_edge_irq(unsigned int); -extern int get_ethernet_addr(char *ethernet_addr); -extern void str2eaddr(unsigned char *ea, unsigned char *str); -extern char * __init prom_getcmdline(void); - -/* - * Theory of operation - * - * The Au1000 MACs use a simple rx and tx descriptor ring scheme. - * There are four receive and four transmit descriptors. These - * descriptors are not in memory; rather, they are just a set of - * hardware registers. - * - * Since the Au1000 has a coherent data cache, the receive and - * transmit buffers are allocated from the KSEG0 segment. The - * hardware registers, however, are still mapped at KSEG1 to - * make sure there's no out-of-order writes, and that all writes - * complete immediately. - */ - -/* These addresses are only used if yamon doesn't tell us what - * the mac address is, and the mac address is not passed on the - * command line. - */ -static unsigned char au1000_mac_addr[6] __devinitdata = { - 0x00, 0x50, 0xc2, 0x0c, 0x30, 0x00 -}; - -#define nibswap(x) ((((x) >> 4) & 0x0f) | (((x) << 4) & 0xf0)) -#define RUN_AT(x) (jiffies + (x)) - -// For reading/writing 32-bit words from/to DMA memory -#define cpu_to_dma32 cpu_to_be32 -#define dma32_to_cpu be32_to_cpu - -struct au1000_private *au_macs[NUM_ETH_INTERFACES]; - -/* FIXME - * All of the PHY code really should be detached from the MAC - * code. - */ - -/* Default advertise */ -#define GENMII_DEFAULT_ADVERTISE \ - ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full | \ - ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full | \ - ADVERTISED_Autoneg - -#define GENMII_DEFAULT_FEATURES \ - SUPPORTED_10baseT_Half | SUPPORTED_10baseT_Full | \ - SUPPORTED_100baseT_Half | SUPPORTED_100baseT_Full | \ - SUPPORTED_Autoneg - -int bcm_5201_init(struct net_device *dev, int phy_addr) -{ - s16 data; - - /* Stop auto-negotiation */ - data = mdio_read(dev, phy_addr, MII_CONTROL); - mdio_write(dev, phy_addr, MII_CONTROL, data & ~MII_CNTL_AUTO); - - /* Set advertisement to 10/100 and Half/Full duplex - * (full capabilities) */ - data = mdio_read(dev, phy_addr, MII_ANADV); - data |= MII_NWAY_TX | MII_NWAY_TX_FDX | MII_NWAY_T_FDX | MII_NWAY_T; - mdio_write(dev, phy_addr, MII_ANADV, data); - - /* Restart auto-negotiation */ - data = mdio_read(dev, phy_addr, MII_CONTROL); - data |= MII_CNTL_RST_AUTO | MII_CNTL_AUTO; - mdio_write(dev, phy_addr, MII_CONTROL, data); - - if (au1000_debug > 4) - dump_mii(dev, phy_addr); - return 0; -} - -int bcm_5201_reset(struct net_device *dev, int phy_addr) -{ - s16 mii_control, timeout; - - mii_control = mdio_read(dev, phy_addr, MII_CONTROL); - mdio_write(dev, phy_addr, MII_CONTROL, mii_control | MII_CNTL_RESET); - mdelay(1); - for (timeout = 100; timeout > 0; --timeout) { - mii_control = mdio_read(dev, phy_addr, MII_CONTROL); - if ((mii_control & MII_CNTL_RESET) == 0) - break; - mdelay(1); - } - if (mii_control & MII_CNTL_RESET) { - printk(KERN_ERR "%s PHY reset timeout !\n", dev->name); - return -1; - } - return 0; -} - -int -bcm_5201_status(struct net_device *dev, int phy_addr, u16 *link, u16 *speed) -{ - u16 mii_data; - struct au1000_private *aup; - - if (!dev) { - printk(KERN_ERR "bcm_5201_status error: NULL dev\n"); - return -1; - } - aup = (struct au1000_private *) dev->priv; - - mii_data = mdio_read(dev, aup->phy_addr, MII_STATUS); - if (mii_data & MII_STAT_LINK) { - *link = 1; - mii_data = mdio_read(dev, aup->phy_addr, MII_AUX_CNTRL); - if (mii_data & MII_AUX_100) { - if (mii_data & MII_AUX_FDX) { - *speed = IF_PORT_100BASEFX; - dev->if_port = IF_PORT_100BASEFX; - } - else { - *speed = IF_PORT_100BASETX; - dev->if_port = IF_PORT_100BASETX; - } - } - else { - *speed = IF_PORT_10BASET; - dev->if_port = IF_PORT_10BASET; - } - - } - else { - *link = 0; - *speed = 0; - dev->if_port = IF_PORT_UNKNOWN; - } - return 0; -} - -int lsi_80227_init(struct net_device *dev, int phy_addr) -{ - if (au1000_debug > 4) - printk("lsi_80227_init\n"); - - /* restart auto-negotiation */ - mdio_write(dev, phy_addr, MII_CONTROL, - MII_CNTL_F100 | MII_CNTL_AUTO | MII_CNTL_RST_AUTO); // | MII_CNTL_FDX); - mdelay(1); - - /* set up LEDs to correct display */ -#ifdef CONFIG_MIPS_MTX1 - mdio_write(dev, phy_addr, 17, 0xff80); -#else - mdio_write(dev, phy_addr, 17, 0xffc0); -#endif - - if (au1000_debug > 4) - dump_mii(dev, phy_addr); - return 0; -} - -int lsi_80227_reset(struct net_device *dev, int phy_addr) -{ - s16 mii_control, timeout; - - if (au1000_debug > 4) { - printk("lsi_80227_reset\n"); - dump_mii(dev, phy_addr); - } - - mii_control = mdio_read(dev, phy_addr, MII_CONTROL); - mdio_write(dev, phy_addr, MII_CONTROL, mii_control | MII_CNTL_RESET); - mdelay(1); - for (timeout = 100; timeout > 0; --timeout) { - mii_control = mdio_read(dev, phy_addr, MII_CONTROL); - if ((mii_control & MII_CNTL_RESET) == 0) - break; - mdelay(1); - } - if (mii_control & MII_CNTL_RESET) { - printk(KERN_ERR "%s PHY reset timeout !\n", dev->name); - return -1; - } - return 0; -} - -int -lsi_80227_status(struct net_device *dev, int phy_addr, u16 *link, u16 *speed) -{ - u16 mii_data; - struct au1000_private *aup; - - if (!dev) { - printk(KERN_ERR "lsi_80227_status error: NULL dev\n"); - return -1; - } - aup = (struct au1000_private *) dev->priv; - - mii_data = mdio_read(dev, aup->phy_addr, MII_STATUS); - if (mii_data & MII_STAT_LINK) { - *link = 1; - mii_data = mdio_read(dev, aup->phy_addr, MII_LSI_PHY_STAT); - if (mii_data & MII_LSI_PHY_STAT_SPD) { - if (mii_data & MII_LSI_PHY_STAT_FDX) { - *speed = IF_PORT_100BASEFX; - dev->if_port = IF_PORT_100BASEFX; - } - else { - *speed = IF_PORT_100BASETX; - dev->if_port = IF_PORT_100BASETX; - } - } - else { - *speed = IF_PORT_10BASET; - dev->if_port = IF_PORT_10BASET; - } - - } - else { - *link = 0; - *speed = 0; - dev->if_port = IF_PORT_UNKNOWN; - } - return 0; -} - -int am79c901_init(struct net_device *dev, int phy_addr) -{ - printk("am79c901_init\n"); - return 0; -} - -int am79c901_reset(struct net_device *dev, int phy_addr) -{ - printk("am79c901_reset\n"); - return 0; -} - -int -am79c901_status(struct net_device *dev, int phy_addr, u16 *link, u16 *speed) -{ - return 0; -} - -int am79c874_init(struct net_device *dev, int phy_addr) -{ - s16 data; - - /* 79c874 has quit resembled bit assignments to BCM5201 */ - if (au1000_debug > 4) - printk("am79c847_init\n"); - - /* Stop auto-negotiation */ - data = mdio_read(dev, phy_addr, MII_CONTROL); - mdio_write(dev, phy_addr, MII_CONTROL, data & ~MII_CNTL_AUTO); - - /* Set advertisement to 10/100 and Half/Full duplex - * (full capabilities) */ - data = mdio_read(dev, phy_addr, MII_ANADV); - data |= MII_NWAY_TX | MII_NWAY_TX_FDX | MII_NWAY_T_FDX | MII_NWAY_T; - mdio_write(dev, phy_addr, MII_ANADV, data); - - /* Restart auto-negotiation */ - data = mdio_read(dev, phy_addr, MII_CONTROL); - data |= MII_CNTL_RST_AUTO | MII_CNTL_AUTO; - - mdio_write(dev, phy_addr, MII_CONTROL, data); - - if (au1000_debug > 4) dump_mii(dev, phy_addr); - return 0; -} - -int am79c874_reset(struct net_device *dev, int phy_addr) -{ - s16 mii_control, timeout; - - if (au1000_debug > 4) - printk("am79c874_reset\n"); - - mii_control = mdio_read(dev, phy_addr, MII_CONTROL); - mdio_write(dev, phy_addr, MII_CONTROL, mii_control | MII_CNTL_RESET); - mdelay(1); - for (timeout = 100; timeout > 0; --timeout) { - mii_control = mdio_read(dev, phy_addr, MII_CONTROL); - if ((mii_control & MII_CNTL_RESET) == 0) - break; - mdelay(1); - } - if (mii_control & MII_CNTL_RESET) { - printk(KERN_ERR "%s PHY reset timeout !\n", dev->name); - return -1; - } - return 0; -} - -int -am79c874_status(struct net_device *dev, int phy_addr, u16 *link, u16 *speed) -{ - u16 mii_data; - struct au1000_private *aup; - - // printk("am79c874_status\n"); - if (!dev) { - printk(KERN_ERR "am79c874_status error: NULL dev\n"); - return -1; - } - - aup = (struct au1000_private *) dev->priv; - mii_data = mdio_read(dev, aup->phy_addr, MII_STATUS); - - if (mii_data & MII_STAT_LINK) { - *link = 1; - mii_data = mdio_read(dev, aup->phy_addr, MII_AMD_PHY_STAT); - if (mii_data & MII_AMD_PHY_STAT_SPD) { - if (mii_data & MII_AMD_PHY_STAT_FDX) { - *speed = IF_PORT_100BASEFX; - dev->if_port = IF_PORT_100BASEFX; - } - else { - *speed = IF_PORT_100BASETX; - dev->if_port = IF_PORT_100BASETX; - } - } - else { - *speed = IF_PORT_10BASET; - dev->if_port = IF_PORT_10BASET; - } - - } - else { - *link = 0; - *speed = 0; - dev->if_port = IF_PORT_UNKNOWN; - } - return 0; -} - -int lxt971a_init(struct net_device *dev, int phy_addr) -{ - if (au1000_debug > 4) - printk("lxt971a_init\n"); - - /* restart auto-negotiation */ - mdio_write(dev, phy_addr, MII_CONTROL, - MII_CNTL_F100 | MII_CNTL_AUTO | MII_CNTL_RST_AUTO | MII_CNTL_FDX); - - /* set up LEDs to correct display */ - mdio_write(dev, phy_addr, 20, 0x0422); - - if (au1000_debug > 4) - dump_mii(dev, phy_addr); - return 0; -} - -int lxt971a_reset(struct net_device *dev, int phy_addr) -{ - s16 mii_control, timeout; - - if (au1000_debug > 4) { - printk("lxt971a_reset\n"); - dump_mii(dev, phy_addr); - } - - mii_control = mdio_read(dev, phy_addr, MII_CONTROL); - mdio_write(dev, phy_addr, MII_CONTROL, mii_control | MII_CNTL_RESET); - mdelay(1); - for (timeout = 100; timeout > 0; --timeout) { - mii_control = mdio_read(dev, phy_addr, MII_CONTROL); - if ((mii_control & MII_CNTL_RESET) == 0) - break; - mdelay(1); - } - if (mii_control & MII_CNTL_RESET) { - printk(KERN_ERR "%s PHY reset timeout !\n", dev->name); - return -1; - } - return 0; -} - -int -lxt971a_status(struct net_device *dev, int phy_addr, u16 *link, u16 *speed) -{ - u16 mii_data; - struct au1000_private *aup; - - if (!dev) { - printk(KERN_ERR "lxt971a_status error: NULL dev\n"); - return -1; - } - aup = (struct au1000_private *) dev->priv; - - mii_data = mdio_read(dev, aup->phy_addr, MII_STATUS); - if (mii_data & MII_STAT_LINK) { - *link = 1; - mii_data = mdio_read(dev, aup->phy_addr, MII_INTEL_PHY_STAT); - if (mii_data & MII_INTEL_PHY_STAT_SPD) { - if (mii_data & MII_INTEL_PHY_STAT_FDX) { - *speed = IF_PORT_100BASEFX; - dev->if_port = IF_PORT_100BASEFX; - } - else { - *speed = IF_PORT_100BASETX; - dev->if_port = IF_PORT_100BASETX; - } - } - else { - *speed = IF_PORT_10BASET; - dev->if_port = IF_PORT_10BASET; - } - - } - else { - *link = 0; - *speed = 0; - dev->if_port = IF_PORT_UNKNOWN; - } - return 0; -} - -int ks8995m_init(struct net_device *dev, int phy_addr) -{ - s16 data; - -// printk("ks8995m_init\n"); - /* Stop auto-negotiation */ - data = mdio_read(dev, phy_addr, MII_CONTROL); - mdio_write(dev, phy_addr, MII_CONTROL, data & ~MII_CNTL_AUTO); - - /* Set advertisement to 10/100 and Half/Full duplex - * (full capabilities) */ - data = mdio_read(dev, phy_addr, MII_ANADV); - data |= MII_NWAY_TX | MII_NWAY_TX_FDX | MII_NWAY_T_FDX | MII_NWAY_T; - mdio_write(dev, phy_addr, MII_ANADV, data); - - /* Restart auto-negotiation */ - data = mdio_read(dev, phy_addr, MII_CONTROL); - data |= MII_CNTL_RST_AUTO | MII_CNTL_AUTO; - mdio_write(dev, phy_addr, MII_CONTROL, data); - - if (au1000_debug > 4) dump_mii(dev, phy_addr); - - return 0; -} - -int ks8995m_reset(struct net_device *dev, int phy_addr) -{ - s16 mii_control, timeout; - -// printk("ks8995m_reset\n"); - mii_control = mdio_read(dev, phy_addr, MII_CONTROL); - mdio_write(dev, phy_addr, MII_CONTROL, mii_control | MII_CNTL_RESET); - mdelay(1); - for (timeout = 100; timeout > 0; --timeout) { - mii_control = mdio_read(dev, phy_addr, MII_CONTROL); - if ((mii_control & MII_CNTL_RESET) == 0) - break; - mdelay(1); - } - if (mii_control & MII_CNTL_RESET) { - printk(KERN_ERR "%s PHY reset timeout !\n", dev->name); - return -1; - } - return 0; -} - -int ks8995m_status(struct net_device *dev, int phy_addr, u16 *link, u16 *speed) -{ - u16 mii_data; - struct au1000_private *aup; - - if (!dev) { - printk(KERN_ERR "ks8995m_status error: NULL dev\n"); - return -1; - } - aup = (struct au1000_private *) dev->priv; - - mii_data = mdio_read(dev, aup->phy_addr, MII_STATUS); - if (mii_data & MII_STAT_LINK) { - *link = 1; - mii_data = mdio_read(dev, aup->phy_addr, MII_AUX_CNTRL); - if (mii_data & MII_AUX_100) { - if (mii_data & MII_AUX_FDX) { - *speed = IF_PORT_100BASEFX; - dev->if_port = IF_PORT_100BASEFX; - } - else { - *speed = IF_PORT_100BASETX; - dev->if_port = IF_PORT_100BASETX; - } - } - else { - *speed = IF_PORT_10BASET; - dev->if_port = IF_PORT_10BASET; - } - - } - else { - *link = 0; - *speed = 0; - dev->if_port = IF_PORT_UNKNOWN; - } - return 0; -} - -int -smsc_83C185_init (struct net_device *dev, int phy_addr) -{ - s16 data; - - if (au1000_debug > 4) - printk("smsc_83C185_init\n"); - - /* Stop auto-negotiation */ - data = mdio_read(dev, phy_addr, MII_CONTROL); - mdio_write(dev, phy_addr, MII_CONTROL, data & ~MII_CNTL_AUTO); - - /* Set advertisement to 10/100 and Half/Full duplex - * (full capabilities) */ - data = mdio_read(dev, phy_addr, MII_ANADV); - data |= MII_NWAY_TX | MII_NWAY_TX_FDX | MII_NWAY_T_FDX | MII_NWAY_T; - mdio_write(dev, phy_addr, MII_ANADV, data); - - /* Restart auto-negotiation */ - data = mdio_read(dev, phy_addr, MII_CONTROL); - data |= MII_CNTL_RST_AUTO | MII_CNTL_AUTO; - - mdio_write(dev, phy_addr, MII_CONTROL, data); - - if (au1000_debug > 4) dump_mii(dev, phy_addr); - return 0; -} - -int -smsc_83C185_reset (struct net_device *dev, int phy_addr) -{ - s16 mii_control, timeout; - - if (au1000_debug > 4) - printk("smsc_83C185_reset\n"); - - mii_control = mdio_read(dev, phy_addr, MII_CONTROL); - mdio_write(dev, phy_addr, MII_CONTROL, mii_control | MII_CNTL_RESET); - mdelay(1); - for (timeout = 100; timeout > 0; --timeout) { - mii_control = mdio_read(dev, phy_addr, MII_CONTROL); - if ((mii_control & MII_CNTL_RESET) == 0) - break; - mdelay(1); - } - if (mii_control & MII_CNTL_RESET) { - printk(KERN_ERR "%s PHY reset timeout !\n", dev->name); - return -1; - } - return 0; -} - -int -smsc_83C185_status (struct net_device *dev, int phy_addr, u16 *link, u16 *speed) -{ - u16 mii_data; - struct au1000_private *aup; - - if (!dev) { - printk(KERN_ERR "smsc_83C185_status error: NULL dev\n"); - return -1; - } - - aup = (struct au1000_private *) dev->priv; - mii_data = mdio_read(dev, aup->phy_addr, MII_STATUS); - - if (mii_data & MII_STAT_LINK) { - *link = 1; - mii_data = mdio_read(dev, aup->phy_addr, 0x1f); - if (mii_data & (1<<3)) { - if (mii_data & (1<<4)) { - *speed = IF_PORT_100BASEFX; - dev->if_port = IF_PORT_100BASEFX; - } - else { - *speed = IF_PORT_100BASETX; - dev->if_port = IF_PORT_100BASETX; - } - } - else { - *speed = IF_PORT_10BASET; - dev->if_port = IF_PORT_10BASET; - } - } - else { - *link = 0; - *speed = 0; - dev->if_port = IF_PORT_UNKNOWN; - } - return 0; -} - - -#ifdef CONFIG_MIPS_BOSPORUS -int stub_init(struct net_device *dev, int phy_addr) -{ - //printk("PHY stub_init\n"); - return 0; -} - -int stub_reset(struct net_device *dev, int phy_addr) -{ - //printk("PHY stub_reset\n"); - return 0; -} - -int -stub_status(struct net_device *dev, int phy_addr, u16 *link, u16 *speed) -{ - //printk("PHY stub_status\n"); - *link = 1; - /* hmmm, revisit */ - *speed = IF_PORT_100BASEFX; - dev->if_port = IF_PORT_100BASEFX; - return 0; -} -#endif - -struct phy_ops bcm_5201_ops = { - bcm_5201_init, - bcm_5201_reset, - bcm_5201_status, -}; - -struct phy_ops am79c874_ops = { - am79c874_init, - am79c874_reset, - am79c874_status, -}; - -struct phy_ops am79c901_ops = { - am79c901_init, - am79c901_reset, - am79c901_status, -}; - -struct phy_ops lsi_80227_ops = { - lsi_80227_init, - lsi_80227_reset, - lsi_80227_status, -}; - -struct phy_ops lxt971a_ops = { - lxt971a_init, - lxt971a_reset, - lxt971a_status, -}; - -struct phy_ops ks8995m_ops = { - ks8995m_init, - ks8995m_reset, - ks8995m_status, -}; - -struct phy_ops smsc_83C185_ops = { - smsc_83C185_init, - smsc_83C185_reset, - smsc_83C185_status, -}; - -#ifdef CONFIG_MIPS_BOSPORUS -struct phy_ops stub_ops = { - stub_init, - stub_reset, - stub_status, -}; -#endif - -static struct mii_chip_info { - const char * name; - u16 phy_id0; - u16 phy_id1; - struct phy_ops *phy_ops; - int dual_phy; -} mii_chip_table[] = { - {"Broadcom BCM5201 10/100 BaseT PHY",0x0040,0x6212, &bcm_5201_ops,0}, - {"Broadcom BCM5221 10/100 BaseT PHY",0x0040,0x61e4, &bcm_5201_ops,0}, - {"Broadcom BCM5222 10/100 BaseT PHY",0x0040,0x6322, &bcm_5201_ops,1}, - {"NS DP83847 PHY", 0x2000, 0x5c30, &bcm_5201_ops ,0}, - {"AMD 79C901 HomePNA PHY",0x0000,0x35c8, &am79c901_ops,0}, - {"AMD 79C874 10/100 BaseT PHY",0x0022,0x561b, &am79c874_ops,0}, - {"LSI 80227 10/100 BaseT PHY",0x0016,0xf840, &lsi_80227_ops,0}, - {"Intel LXT971A Dual Speed PHY",0x0013,0x78e2, &lxt971a_ops,0}, - {"Kendin KS8995M 10/100 BaseT PHY",0x0022,0x1450, &ks8995m_ops,0}, - {"SMSC LAN83C185 10/100 BaseT PHY",0x0007,0xc0a3, &smsc_83C185_ops,0}, -#ifdef CONFIG_MIPS_BOSPORUS - {"Stub", 0x1234, 0x5678, &stub_ops }, -#endif - {0,}, -}; - -static int mdio_read(struct net_device *dev, int phy_id, int reg) -{ - struct au1000_private *aup = (struct au1000_private *) dev->priv; - volatile u32 *mii_control_reg; - volatile u32 *mii_data_reg; - u32 timedout = 20; - u32 mii_control; - - #ifdef CONFIG_BCM5222_DUAL_PHY - /* First time we probe, it's for the mac0 phy. - * Since we haven't determined yet that we have a dual phy, - * aup->mii->mii_control_reg won't be setup and we'll - * default to the else statement. - * By the time we probe for the mac1 phy, the mii_control_reg - * will be setup to be the address of the mac0 phy control since - * both phys are controlled through mac0. - */ - if (aup->mii && aup->mii->mii_control_reg) { - mii_control_reg = aup->mii->mii_control_reg; - mii_data_reg = aup->mii->mii_data_reg; - } - else if (au_macs[0]->mii && au_macs[0]->mii->mii_control_reg) { - /* assume both phys are controlled through mac0 */ - mii_control_reg = au_macs[0]->mii->mii_control_reg; - mii_data_reg = au_macs[0]->mii->mii_data_reg; - } - else - #endif - { - /* default control and data reg addresses */ - mii_control_reg = &aup->mac->mii_control; - mii_data_reg = &aup->mac->mii_data; - } - - while (*mii_control_reg & MAC_MII_BUSY) { - mdelay(1); - if (--timedout == 0) { - printk(KERN_ERR "%s: read_MII busy timeout!!\n", - dev->name); - return -1; - } - } - - mii_control = MAC_SET_MII_SELECT_REG(reg) | - MAC_SET_MII_SELECT_PHY(phy_id) | MAC_MII_READ; - - *mii_control_reg = mii_control; - - timedout = 20; - while (*mii_control_reg & MAC_MII_BUSY) { - mdelay(1); - if (--timedout == 0) { - printk(KERN_ERR "%s: mdio_read busy timeout!!\n", - dev->name); - return -1; - } - } - return (int)*mii_data_reg; -} - -static void mdio_write(struct net_device *dev, int phy_id, int reg, u16 value) -{ - struct au1000_private *aup = (struct au1000_private *) dev->priv; - volatile u32 *mii_control_reg; - volatile u32 *mii_data_reg; - u32 timedout = 20; - u32 mii_control; - - #ifdef CONFIG_BCM5222_DUAL_PHY - if (aup->mii && aup->mii->mii_control_reg) { - mii_control_reg = aup->mii->mii_control_reg; - mii_data_reg = aup->mii->mii_data_reg; - } - else if (au_macs[0]->mii && au_macs[0]->mii->mii_control_reg) { - /* assume both phys are controlled through mac0 */ - mii_control_reg = au_macs[0]->mii->mii_control_reg; - mii_data_reg = au_macs[0]->mii->mii_data_reg; - } - else - #endif - { - /* default control and data reg addresses */ - mii_control_reg = &aup->mac->mii_control; - mii_data_reg = &aup->mac->mii_data; - } - - while (*mii_control_reg & MAC_MII_BUSY) { - mdelay(1); - if (--timedout == 0) { - printk(KERN_ERR "%s: mdio_write busy timeout!!\n", - dev->name); - return; - } - } - - mii_control = MAC_SET_MII_SELECT_REG(reg) | - MAC_SET_MII_SELECT_PHY(phy_id) | MAC_MII_WRITE; - - *mii_data_reg = value; - *mii_control_reg = mii_control; -} - - -static void dump_mii(struct net_device *dev, int phy_id) -{ - int i, val; - - for (i = 0; i < 7; i++) { - if ((val = mdio_read(dev, phy_id, i)) >= 0) - printk("%s: MII Reg %d=%x\n", dev->name, i, val); - } - for (i = 16; i < 25; i++) { - if ((val = mdio_read(dev, phy_id, i)) >= 0) - printk("%s: MII Reg %d=%x\n", dev->name, i, val); - } -} - -static int mii_probe (struct net_device * dev) -{ - struct au1000_private *aup = (struct au1000_private *) dev->priv; - int phy_addr; -#ifdef CONFIG_MIPS_BOSPORUS - int phy_found=0; -#endif - - /* search for total of 32 possible mii phy addresses */ - for (phy_addr = 0; phy_addr < 32; phy_addr++) { - u16 mii_status; - u16 phy_id0, phy_id1; - int i; - - #ifdef CONFIG_BCM5222_DUAL_PHY - /* Mask the already found phy, try next one */ - if (au_macs[0]->mii && au_macs[0]->mii->mii_control_reg) { - if (au_macs[0]->phy_addr == phy_addr) - continue; - } - #endif - - mii_status = mdio_read(dev, phy_addr, MII_STATUS); - if (mii_status == 0xffff || mii_status == 0x0000) - /* the mii is not accessable, try next one */ - continue; - - phy_id0 = mdio_read(dev, phy_addr, MII_PHY_ID0); - phy_id1 = mdio_read(dev, phy_addr, MII_PHY_ID1); - - /* search our mii table for the current mii */ - for (i = 0; mii_chip_table[i].phy_id1; i++) { - if (phy_id0 == mii_chip_table[i].phy_id0 && - phy_id1 == mii_chip_table[i].phy_id1) { - struct mii_phy * mii_phy = aup->mii; - - printk(KERN_INFO "%s: %s at phy address %d\n", - dev->name, mii_chip_table[i].name, - phy_addr); -#ifdef CONFIG_MIPS_BOSPORUS - phy_found = 1; -#endif - mii_phy->chip_info = mii_chip_table+i; - aup->phy_addr = phy_addr; - aup->want_autoneg = 1; - aup->phy_ops = mii_chip_table[i].phy_ops; - aup->phy_ops->phy_init(dev,phy_addr); - - // Check for dual-phy and then store required - // values and set indicators. We need to do - // this now since mdio_{read,write} need the - // control and data register addresses. - #ifdef CONFIG_BCM5222_DUAL_PHY - if ( mii_chip_table[i].dual_phy) { - - /* assume both phys are controlled - * through MAC0. Board specific? */ - - /* sanity check */ - if (!au_macs[0] || !au_macs[0]->mii) - return -1; - aup->mii->mii_control_reg = (u32 *) - &au_macs[0]->mac->mii_control; - aup->mii->mii_data_reg = (u32 *) - &au_macs[0]->mac->mii_data; - } - #endif - goto found; - } - } - } -found: - -#ifdef CONFIG_MIPS_BOSPORUS - /* This is a workaround for the Micrel/Kendin 5 port switch - The second MAC doesn't see a PHY connected... so we need to - trick it into thinking we have one. - - If this kernel is run on another Au1500 development board - the stub will be found as well as the actual PHY. However, - the last found PHY will be used... usually at Addr 31 (Db1500). - */ - if ( (!phy_found) ) - { - u16 phy_id0, phy_id1; - int i; - - phy_id0 = 0x1234; - phy_id1 = 0x5678; - - /* search our mii table for the current mii */ - for (i = 0; mii_chip_table[i].phy_id1; i++) { - if (phy_id0 == mii_chip_table[i].phy_id0 && - phy_id1 == mii_chip_table[i].phy_id1) { - struct mii_phy * mii_phy; - - printk(KERN_INFO "%s: %s at phy address %d\n", - dev->name, mii_chip_table[i].name, - phy_addr); - mii_phy = kmalloc(sizeof(struct mii_phy), - GFP_KERNEL); - if (mii_phy) { - mii_phy->chip_info = mii_chip_table+i; - aup->phy_addr = phy_addr; - mii_phy->next = aup->mii; - aup->phy_ops = - mii_chip_table[i].phy_ops; - aup->mii = mii_phy; - aup->phy_ops->phy_init(dev,phy_addr); - } else { - printk(KERN_ERR "%s: out of memory\n", - dev->name); - return -1; - } - mii_phy->chip_info = mii_chip_table+i; - aup->phy_addr = phy_addr; - aup->phy_ops = mii_chip_table[i].phy_ops; - aup->phy_ops->phy_init(dev,phy_addr); - break; - } - } - } - if (aup->mac_id == 0) { - /* the Bosporus phy responds to addresses 0-5 but - * 5 is the correct one. - */ - aup->phy_addr = 5; - } -#endif - - if (aup->mii->chip_info == NULL) { - printk(KERN_ERR "%s: Au1x No known MII transceivers found!\n", - dev->name); - return -1; - } - - printk(KERN_INFO "%s: Using %s as default\n", - dev->name, aup->mii->chip_info->name); - - return 0; -} - - -/* - * Buffer allocation/deallocation routines. The buffer descriptor returned - * has the virtual and dma address of a buffer suitable for - * both, receive and transmit operations. - */ -static db_dest_t *GetFreeDB(struct au1000_private *aup) -{ - db_dest_t *pDB; - pDB = aup->pDBfree; - - if (pDB) { - aup->pDBfree = pDB->pnext; - } - return pDB; -} - -void ReleaseDB(struct au1000_private *aup, db_dest_t *pDB) -{ - db_dest_t *pDBfree = aup->pDBfree; - if (pDBfree) - pDBfree->pnext = pDB; - aup->pDBfree = pDB; -} - -static void enable_rx_tx(struct net_device *dev) -{ - struct au1000_private *aup = (struct au1000_private *) dev->priv; - - if (au1000_debug > 4) - printk(KERN_INFO "%s: enable_rx_tx\n", dev->name); - - aup->mac->control |= (MAC_RX_ENABLE | MAC_TX_ENABLE); - au_sync_delay(10); -} - -static void hard_stop(struct net_device *dev) -{ - struct au1000_private *aup = (struct au1000_private *) dev->priv; - - if (au1000_debug > 4) - printk(KERN_INFO "%s: hard stop\n", dev->name); - - aup->mac->control &= ~(MAC_RX_ENABLE | MAC_TX_ENABLE); - au_sync_delay(10); -} - - -static void reset_mac(struct net_device *dev) -{ - int i; - u32 flags; - struct au1000_private *aup = (struct au1000_private *) dev->priv; - - if (au1000_debug > 4) - printk(KERN_INFO "%s: reset mac, aup %x\n", - dev->name, (unsigned)aup); - - spin_lock_irqsave(&aup->lock, flags); - if (aup->timer.function == &au1000_timer) {/* check if timer initted */ - del_timer(&aup->timer); - } - - hard_stop(dev); - #ifdef CONFIG_BCM5222_DUAL_PHY - if (aup->mac_id != 0) { - #endif - /* If BCM5222, we can't leave MAC0 in reset because then - * we can't access the dual phy for ETH1 */ - *aup->enable = MAC_EN_CLOCK_ENABLE; - au_sync_delay(2); - *aup->enable = 0; - au_sync_delay(2); - #ifdef CONFIG_BCM5222_DUAL_PHY - } - #endif - aup->tx_full = 0; - for (i = 0; i < NUM_RX_DMA; i++) { - /* reset control bits */ - aup->rx_dma_ring[i]->buff_stat &= ~0xf; - } - for (i = 0; i < NUM_TX_DMA; i++) { - /* reset control bits */ - aup->tx_dma_ring[i]->buff_stat &= ~0xf; - } - spin_unlock_irqrestore(&aup->lock, flags); -} - - -/* - * Setup the receive and transmit "rings". These pointers are the addresses - * of the rx and tx MAC DMA registers so they are fixed by the hardware -- - * these are not descriptors sitting in memory. - */ -static void -setup_hw_rings(struct au1000_private *aup, u32 rx_base, u32 tx_base) -{ - int i; - - for (i = 0; i < NUM_RX_DMA; i++) { - aup->rx_dma_ring[i] = - (volatile rx_dma_t *) (rx_base + sizeof(rx_dma_t)*i); - } - for (i = 0; i < NUM_TX_DMA; i++) { - aup->tx_dma_ring[i] = - (volatile tx_dma_t *) (tx_base + sizeof(tx_dma_t)*i); - } -} - -static struct { - int port; - u32 base_addr; - u32 macen_addr; - int irq; - struct net_device *dev; -} iflist[2]; - -static int num_ifs; - -/* - * Setup the base address and interupt of the Au1xxx ethernet macs - * based on cpu type and whether the interface is enabled in sys_pinfunc - * register. The last interface is enabled if SYS_PF_NI2 (bit 4) is 0. - */ -static int __init au1000_init_module(void) -{ - struct cpuinfo_mips *c = ¤t_cpu_data; - int ni = (int)((au_readl(SYS_PINFUNC) & (u32)(SYS_PF_NI2)) >> 4); - struct net_device *dev; - int i, found_one = 0; - - switch (c->cputype) { -#ifdef CONFIG_SOC_AU1000 - case CPU_AU1000: - num_ifs = 2 - ni; - iflist[0].base_addr = AU1000_ETH0_BASE; - iflist[1].base_addr = AU1000_ETH1_BASE; - iflist[0].macen_addr = AU1000_MAC0_ENABLE; - iflist[1].macen_addr = AU1000_MAC1_ENABLE; - iflist[0].irq = AU1000_MAC0_DMA_INT; - iflist[1].irq = AU1000_MAC1_DMA_INT; - break; -#endif -#ifdef CONFIG_SOC_AU1100 - case CPU_AU1100: - num_ifs = 1 - ni; - iflist[0].base_addr = AU1100_ETH0_BASE; - iflist[0].macen_addr = AU1100_MAC0_ENABLE; - iflist[0].irq = AU1100_MAC0_DMA_INT; - break; -#endif -#ifdef CONFIG_SOC_AU1500 - case CPU_AU1500: - num_ifs = 2 - ni; - iflist[0].base_addr = AU1500_ETH0_BASE; - iflist[1].base_addr = AU1500_ETH1_BASE; - iflist[0].macen_addr = AU1500_MAC0_ENABLE; - iflist[1].macen_addr = AU1500_MAC1_ENABLE; - iflist[0].irq = AU1500_MAC0_DMA_INT; - iflist[1].irq = AU1500_MAC1_DMA_INT; - break; -#endif -#ifdef CONFIG_SOC_AU1550 - case CPU_AU1550: - num_ifs = 2 - ni; - iflist[0].base_addr = AU1550_ETH0_BASE; - iflist[1].base_addr = AU1550_ETH1_BASE; - iflist[0].macen_addr = AU1550_MAC0_ENABLE; - iflist[1].macen_addr = AU1550_MAC1_ENABLE; - iflist[0].irq = AU1550_MAC0_DMA_INT; - iflist[1].irq = AU1550_MAC1_DMA_INT; - break; -#endif - default: - num_ifs = 0; - } - for(i = 0; i < num_ifs; i++) { - dev = au1000_probe(iflist[i].base_addr, iflist[i].irq, i); - iflist[i].dev = dev; - if (dev) - found_one++; - } - if (!found_one) - return -ENODEV; - return 0; -} - -static int au1000_setup_aneg(struct net_device *dev, u32 advertise) -{ - struct au1000_private *aup = (struct au1000_private *)dev->priv; - u16 ctl, adv; - - /* Setup standard advertise */ - adv = mdio_read(dev, aup->phy_addr, MII_ADVERTISE); - adv &= ~(ADVERTISE_ALL | ADVERTISE_100BASE4); - if (advertise & ADVERTISED_10baseT_Half) - adv |= ADVERTISE_10HALF; - if (advertise & ADVERTISED_10baseT_Full) - adv |= ADVERTISE_10FULL; - if (advertise & ADVERTISED_100baseT_Half) - adv |= ADVERTISE_100HALF; - if (advertise & ADVERTISED_100baseT_Full) - adv |= ADVERTISE_100FULL; - mdio_write(dev, aup->phy_addr, MII_ADVERTISE, adv); - - /* Start/Restart aneg */ - ctl = mdio_read(dev, aup->phy_addr, MII_BMCR); - ctl |= (BMCR_ANENABLE | BMCR_ANRESTART); - mdio_write(dev, aup->phy_addr, MII_BMCR, ctl); - - return 0; -} - -static int au1000_setup_forced(struct net_device *dev, int speed, int fd) -{ - struct au1000_private *aup = (struct au1000_private *)dev->priv; - u16 ctl; - - ctl = mdio_read(dev, aup->phy_addr, MII_BMCR); - ctl &= ~(BMCR_FULLDPLX | BMCR_SPEED100 | BMCR_ANENABLE); - - /* First reset the PHY */ - mdio_write(dev, aup->phy_addr, MII_BMCR, ctl | BMCR_RESET); - - /* Select speed & duplex */ - switch (speed) { - case SPEED_10: - break; - case SPEED_100: - ctl |= BMCR_SPEED100; - break; - case SPEED_1000: - default: - return -EINVAL; - } - if (fd == DUPLEX_FULL) - ctl |= BMCR_FULLDPLX; - mdio_write(dev, aup->phy_addr, MII_BMCR, ctl); - - return 0; -} - - -static void -au1000_start_link(struct net_device *dev, struct ethtool_cmd *cmd) -{ - struct au1000_private *aup = (struct au1000_private *)dev->priv; - u32 advertise; - int autoneg; - int forced_speed; - int forced_duplex; - - /* Default advertise */ - advertise = GENMII_DEFAULT_ADVERTISE; - autoneg = aup->want_autoneg; - forced_speed = SPEED_100; - forced_duplex = DUPLEX_FULL; - - /* Setup link parameters */ - if (cmd) { - if (cmd->autoneg == AUTONEG_ENABLE) { - advertise = cmd->advertising; - autoneg = 1; - } else { - autoneg = 0; - - forced_speed = cmd->speed; - forced_duplex = cmd->duplex; - } - } - - /* Configure PHY & start aneg */ - aup->want_autoneg = autoneg; - if (autoneg) - au1000_setup_aneg(dev, advertise); - else - au1000_setup_forced(dev, forced_speed, forced_duplex); - mod_timer(&aup->timer, jiffies + HZ); -} - -static int au1000_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) -{ - struct au1000_private *aup = (struct au1000_private *)dev->priv; - u16 link, speed; - - cmd->supported = GENMII_DEFAULT_FEATURES; - cmd->advertising = GENMII_DEFAULT_ADVERTISE; - cmd->port = PORT_MII; - cmd->transceiver = XCVR_EXTERNAL; - cmd->phy_address = aup->phy_addr; - spin_lock_irq(&aup->lock); - cmd->autoneg = aup->want_autoneg; - aup->phy_ops->phy_status(dev, aup->phy_addr, &link, &speed); - if ((speed == IF_PORT_100BASETX) || (speed == IF_PORT_100BASEFX)) - cmd->speed = SPEED_100; - else if (speed == IF_PORT_10BASET) - cmd->speed = SPEED_10; - if (link && (dev->if_port == IF_PORT_100BASEFX)) - cmd->duplex = DUPLEX_FULL; - else - cmd->duplex = DUPLEX_HALF; - spin_unlock_irq(&aup->lock); - return 0; -} - -static int au1000_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) -{ - struct au1000_private *aup = (struct au1000_private *)dev->priv; - unsigned long features = GENMII_DEFAULT_FEATURES; - - if (!capable(CAP_NET_ADMIN)) - return -EPERM; - - if (cmd->autoneg != AUTONEG_ENABLE && cmd->autoneg != AUTONEG_DISABLE) - return -EINVAL; - if (cmd->autoneg == AUTONEG_ENABLE && cmd->advertising == 0) - return -EINVAL; - if (cmd->duplex != DUPLEX_HALF && cmd->duplex != DUPLEX_FULL) - return -EINVAL; - if (cmd->autoneg == AUTONEG_DISABLE) - switch (cmd->speed) { - case SPEED_10: - if (cmd->duplex == DUPLEX_HALF && - (features & SUPPORTED_10baseT_Half) == 0) - return -EINVAL; - if (cmd->duplex == DUPLEX_FULL && - (features & SUPPORTED_10baseT_Full) == 0) - return -EINVAL; - break; - case SPEED_100: - if (cmd->duplex == DUPLEX_HALF && - (features & SUPPORTED_100baseT_Half) == 0) - return -EINVAL; - if (cmd->duplex == DUPLEX_FULL && - (features & SUPPORTED_100baseT_Full) == 0) - return -EINVAL; - break; - default: - return -EINVAL; - } - else if ((features & SUPPORTED_Autoneg) == 0) - return -EINVAL; - - spin_lock_irq(&aup->lock); - au1000_start_link(dev, cmd); - spin_unlock_irq(&aup->lock); - return 0; -} - -static int au1000_nway_reset(struct net_device *dev) -{ - struct au1000_private *aup = (struct au1000_private *)dev->priv; - - if (!aup->want_autoneg) - return -EINVAL; - spin_lock_irq(&aup->lock); - au1000_start_link(dev, NULL); - spin_unlock_irq(&aup->lock); - return 0; -} - -static void -au1000_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) -{ - struct au1000_private *aup = (struct au1000_private *)dev->priv; - - strcpy(info->driver, DRV_NAME); - strcpy(info->version, DRV_VERSION); - info->fw_version[0] = '\0'; - sprintf(info->bus_info, "%s %d", DRV_NAME, aup->mac_id); - info->regdump_len = 0; -} - -static u32 au1000_get_link(struct net_device *dev) -{ - return netif_carrier_ok(dev); -} - -static struct ethtool_ops au1000_ethtool_ops = { - .get_settings = au1000_get_settings, - .set_settings = au1000_set_settings, - .get_drvinfo = au1000_get_drvinfo, - .nway_reset = au1000_nway_reset, - .get_link = au1000_get_link -}; - -static struct net_device * -au1000_probe(u32 ioaddr, int irq, int port_num) -{ - static unsigned version_printed = 0; - struct au1000_private *aup = NULL; - struct net_device *dev = NULL; - db_dest_t *pDB, *pDBfree; - char *pmac, *argptr; - char ethaddr[6]; - int i, err; - - if (!request_mem_region(CPHYSADDR(ioaddr), MAC_IOSIZE, "Au1x00 ENET")) - return NULL; - - if (version_printed++ == 0) - printk("%s version %s %s\n", DRV_NAME, DRV_VERSION, DRV_AUTHOR); - - dev = alloc_etherdev(sizeof(struct au1000_private)); - if (!dev) { - printk (KERN_ERR "au1000 eth: alloc_etherdev failed\n"); - return NULL; - } - - if ((err = register_netdev(dev))) { - printk(KERN_ERR "Au1x_eth Cannot register net device err %d\n", - err); - free_netdev(dev); - return NULL; - } - - printk("%s: Au1x Ethernet found at 0x%x, irq %d\n", - dev->name, ioaddr, irq); - - aup = dev->priv; - - /* Allocate the data buffers */ - /* Snooping works fine with eth on all au1xxx */ - aup->vaddr = (u32)dma_alloc_noncoherent(NULL, - MAX_BUF_SIZE * (NUM_TX_BUFFS+NUM_RX_BUFFS), - &aup->dma_addr, - 0); - if (!aup->vaddr) { - free_netdev(dev); - release_mem_region(CPHYSADDR(ioaddr), MAC_IOSIZE); - return NULL; - } - - /* aup->mac is the base address of the MAC's registers */ - aup->mac = (volatile mac_reg_t *)((unsigned long)ioaddr); - /* Setup some variables for quick register address access */ - if (ioaddr == iflist[0].base_addr) - { - /* check env variables first */ - if (!get_ethernet_addr(ethaddr)) { - memcpy(au1000_mac_addr, ethaddr, sizeof(au1000_mac_addr)); - } else { - /* Check command line */ - argptr = prom_getcmdline(); - if ((pmac = strstr(argptr, "ethaddr=")) == NULL) { - printk(KERN_INFO "%s: No mac address found\n", - dev->name); - /* use the hard coded mac addresses */ - } else { - str2eaddr(ethaddr, pmac + strlen("ethaddr=")); - memcpy(au1000_mac_addr, ethaddr, - sizeof(au1000_mac_addr)); - } - } - aup->enable = (volatile u32 *) - ((unsigned long)iflist[0].macen_addr); - memcpy(dev->dev_addr, au1000_mac_addr, sizeof(au1000_mac_addr)); - setup_hw_rings(aup, MAC0_RX_DMA_ADDR, MAC0_TX_DMA_ADDR); - aup->mac_id = 0; - au_macs[0] = aup; - } - else - if (ioaddr == iflist[1].base_addr) - { - aup->enable = (volatile u32 *) - ((unsigned long)iflist[1].macen_addr); - memcpy(dev->dev_addr, au1000_mac_addr, sizeof(au1000_mac_addr)); - dev->dev_addr[4] += 0x10; - setup_hw_rings(aup, MAC1_RX_DMA_ADDR, MAC1_TX_DMA_ADDR); - aup->mac_id = 1; - au_macs[1] = aup; - } - else - { - printk(KERN_ERR "%s: bad ioaddr\n", dev->name); - } - - /* bring the device out of reset, otherwise probing the mii - * will hang */ - *aup->enable = MAC_EN_CLOCK_ENABLE; - au_sync_delay(2); - *aup->enable = MAC_EN_RESET0 | MAC_EN_RESET1 | - MAC_EN_RESET2 | MAC_EN_CLOCK_ENABLE; - au_sync_delay(2); - - aup->mii = kmalloc(sizeof(struct mii_phy), GFP_KERNEL); - if (!aup->mii) { - printk(KERN_ERR "%s: out of memory\n", dev->name); - goto err_out; - } - aup->mii->next = NULL; - aup->mii->chip_info = NULL; - aup->mii->status = 0; - aup->mii->mii_control_reg = 0; - aup->mii->mii_data_reg = 0; - - if (mii_probe(dev) != 0) { - goto err_out; - } - - pDBfree = NULL; - /* setup the data buffer descriptors and attach a buffer to each one */ - pDB = aup->db; - for (i = 0; i < (NUM_TX_BUFFS+NUM_RX_BUFFS); i++) { - pDB->pnext = pDBfree; - pDBfree = pDB; - pDB->vaddr = (u32 *)((unsigned)aup->vaddr + MAX_BUF_SIZE*i); - pDB->dma_addr = (dma_addr_t)virt_to_bus(pDB->vaddr); - pDB++; - } - aup->pDBfree = pDBfree; - - for (i = 0; i < NUM_RX_DMA; i++) { - pDB = GetFreeDB(aup); - if (!pDB) { - goto err_out; - } - aup->rx_dma_ring[i]->buff_stat = (unsigned)pDB->dma_addr; - aup->rx_db_inuse[i] = pDB; - } - for (i = 0; i < NUM_TX_DMA; i++) { - pDB = GetFreeDB(aup); - if (!pDB) { - goto err_out; - } - aup->tx_dma_ring[i]->buff_stat = (unsigned)pDB->dma_addr; - aup->tx_dma_ring[i]->len = 0; - aup->tx_db_inuse[i] = pDB; - } - - spin_lock_init(&aup->lock); - dev->base_addr = ioaddr; - dev->irq = irq; - dev->open = au1000_open; - dev->hard_start_xmit = au1000_tx; - dev->stop = au1000_close; - dev->get_stats = au1000_get_stats; - dev->set_multicast_list = &set_rx_mode; - dev->do_ioctl = &au1000_ioctl; - SET_ETHTOOL_OPS(dev, &au1000_ethtool_ops); - dev->set_config = &au1000_set_config; - dev->tx_timeout = au1000_tx_timeout; - dev->watchdog_timeo = ETH_TX_TIMEOUT; - - /* - * The boot code uses the ethernet controller, so reset it to start - * fresh. au1000_init() expects that the device is in reset state. - */ - reset_mac(dev); - - return dev; - -err_out: - /* here we should have a valid dev plus aup-> register addresses - * so we can reset the mac properly.*/ - reset_mac(dev); - kfree(aup->mii); - for (i = 0; i < NUM_RX_DMA; i++) { - if (aup->rx_db_inuse[i]) - ReleaseDB(aup, aup->rx_db_inuse[i]); - } - for (i = 0; i < NUM_TX_DMA; i++) { - if (aup->tx_db_inuse[i]) - ReleaseDB(aup, aup->tx_db_inuse[i]); - } - dma_free_noncoherent(NULL, - MAX_BUF_SIZE * (NUM_TX_BUFFS+NUM_RX_BUFFS), - (void *)aup->vaddr, - aup->dma_addr); - unregister_netdev(dev); - free_netdev(dev); - release_mem_region(CPHYSADDR(ioaddr), MAC_IOSIZE); - return NULL; -} - -/* - * Initialize the interface. - * - * When the device powers up, the clocks are disabled and the - * mac is in reset state. When the interface is closed, we - * do the same -- reset the device and disable the clocks to - * conserve power. Thus, whenever au1000_init() is called, - * the device should already be in reset state. - */ -static int au1000_init(struct net_device *dev) -{ - struct au1000_private *aup = (struct au1000_private *) dev->priv; - u32 flags; - int i; - u32 control; - u16 link, speed; - - if (au1000_debug > 4) - printk("%s: au1000_init\n", dev->name); - - spin_lock_irqsave(&aup->lock, flags); - - /* bring the device out of reset */ - *aup->enable = MAC_EN_CLOCK_ENABLE; - au_sync_delay(2); - *aup->enable = MAC_EN_RESET0 | MAC_EN_RESET1 | - MAC_EN_RESET2 | MAC_EN_CLOCK_ENABLE; - au_sync_delay(20); - - aup->mac->control = 0; - aup->tx_head = (aup->tx_dma_ring[0]->buff_stat & 0xC) >> 2; - aup->tx_tail = aup->tx_head; - aup->rx_head = (aup->rx_dma_ring[0]->buff_stat & 0xC) >> 2; - - aup->mac->mac_addr_high = dev->dev_addr[5]<<8 | dev->dev_addr[4]; - aup->mac->mac_addr_low = dev->dev_addr[3]<<24 | dev->dev_addr[2]<<16 | - dev->dev_addr[1]<<8 | dev->dev_addr[0]; - - for (i = 0; i < NUM_RX_DMA; i++) { - aup->rx_dma_ring[i]->buff_stat |= RX_DMA_ENABLE; - } - au_sync(); - - aup->phy_ops->phy_status(dev, aup->phy_addr, &link, &speed); - control = MAC_DISABLE_RX_OWN | MAC_RX_ENABLE | MAC_TX_ENABLE; -#ifndef CONFIG_CPU_LITTLE_ENDIAN - control |= MAC_BIG_ENDIAN; -#endif - if (link && (dev->if_port == IF_PORT_100BASEFX)) { - control |= MAC_FULL_DUPLEX; - } - - aup->mac->control = control; - aup->mac->vlan1_tag = 0x8100; /* activate vlan support */ - au_sync(); - - spin_unlock_irqrestore(&aup->lock, flags); - return 0; -} - -static void au1000_timer(unsigned long data) -{ - struct net_device *dev = (struct net_device *)data; - struct au1000_private *aup = (struct au1000_private *) dev->priv; - unsigned char if_port; - u16 link, speed; - - if (!dev) { - /* fatal error, don't restart the timer */ - printk(KERN_ERR "au1000_timer error: NULL dev\n"); - return; - } - - if_port = dev->if_port; - if (aup->phy_ops->phy_status(dev, aup->phy_addr, &link, &speed) == 0) { - if (link) { - if (!netif_carrier_ok(dev)) { - netif_carrier_on(dev); - printk(KERN_INFO "%s: link up\n", dev->name); - } - } - else { - if (netif_carrier_ok(dev)) { - netif_carrier_off(dev); - dev->if_port = 0; - printk(KERN_INFO "%s: link down\n", dev->name); - } - } - } - - if (link && (dev->if_port != if_port) && - (dev->if_port != IF_PORT_UNKNOWN)) { - hard_stop(dev); - if (dev->if_port == IF_PORT_100BASEFX) { - printk(KERN_INFO "%s: going to full duplex\n", - dev->name); - aup->mac->control |= MAC_FULL_DUPLEX; - au_sync_delay(1); - } - else { - aup->mac->control &= ~MAC_FULL_DUPLEX; - au_sync_delay(1); - } - enable_rx_tx(dev); - } - - aup->timer.expires = RUN_AT((1*HZ)); - aup->timer.data = (unsigned long)dev; - aup->timer.function = &au1000_timer; /* timer handler */ - add_timer(&aup->timer); - -} - -static int au1000_open(struct net_device *dev) -{ - int retval; - struct au1000_private *aup = (struct au1000_private *) dev->priv; - - if (au1000_debug > 4) - printk("%s: open: dev=%p\n", dev->name, dev); - - if ((retval = au1000_init(dev))) { - printk(KERN_ERR "%s: error in au1000_init\n", dev->name); - free_irq(dev->irq, dev); - return retval; - } - netif_start_queue(dev); - - if ((retval = request_irq(dev->irq, &au1000_interrupt, 0, - dev->name, dev))) { - printk(KERN_ERR "%s: unable to get IRQ %d\n", - dev->name, dev->irq); - return retval; - } - - init_timer(&aup->timer); /* used in ioctl() */ - aup->timer.expires = RUN_AT((3*HZ)); - aup->timer.data = (unsigned long)dev; - aup->timer.function = &au1000_timer; /* timer handler */ - add_timer(&aup->timer); - - if (au1000_debug > 4) - printk("%s: open: Initialization done.\n", dev->name); - - return 0; -} - -static int au1000_close(struct net_device *dev) -{ - u32 flags; - struct au1000_private *aup = (struct au1000_private *) dev->priv; - - if (au1000_debug > 4) - printk("%s: close: dev=%p\n", dev->name, dev); - - reset_mac(dev); - - spin_lock_irqsave(&aup->lock, flags); - - /* stop the device */ - netif_stop_queue(dev); - - /* disable the interrupt */ - free_irq(dev->irq, dev); - spin_unlock_irqrestore(&aup->lock, flags); - - return 0; -} - -static void __exit au1000_cleanup_module(void) -{ - int i, j; - struct net_device *dev; - struct au1000_private *aup; - - for (i = 0; i < num_ifs; i++) { - dev = iflist[i].dev; - if (dev) { - aup = (struct au1000_private *) dev->priv; - unregister_netdev(dev); - kfree(aup->mii); - for (j = 0; j < NUM_RX_DMA; j++) { - if (aup->rx_db_inuse[j]) - ReleaseDB(aup, aup->rx_db_inuse[j]); - } - for (j = 0; j < NUM_TX_DMA; j++) { - if (aup->tx_db_inuse[j]) - ReleaseDB(aup, aup->tx_db_inuse[j]); - } - dma_free_noncoherent(NULL, - MAX_BUF_SIZE * (NUM_TX_BUFFS+NUM_RX_BUFFS), - (void *)aup->vaddr, - aup->dma_addr); - free_netdev(dev); - release_mem_region(CPHYSADDR(iflist[i].base_addr), MAC_IOSIZE); - } - } -} - - -static inline void -update_tx_stats(struct net_device *dev, u32 status, u32 pkt_len) -{ - struct au1000_private *aup = (struct au1000_private *) dev->priv; - struct net_device_stats *ps = &aup->stats; - - ps->tx_packets++; - ps->tx_bytes += pkt_len; - - if (status & TX_FRAME_ABORTED) { - if (dev->if_port == IF_PORT_100BASEFX) { - if (status & (TX_JAB_TIMEOUT | TX_UNDERRUN)) { - /* any other tx errors are only valid - * in half duplex mode */ - ps->tx_errors++; - ps->tx_aborted_errors++; - } - } - else { - ps->tx_errors++; - ps->tx_aborted_errors++; - if (status & (TX_NO_CARRIER | TX_LOSS_CARRIER)) - ps->tx_carrier_errors++; - } - } -} - - -/* - * Called from the interrupt service routine to acknowledge - * the TX DONE bits. This is a must if the irq is setup as - * edge triggered. - */ -static void au1000_tx_ack(struct net_device *dev) -{ - struct au1000_private *aup = (struct au1000_private *) dev->priv; - volatile tx_dma_t *ptxd; - - ptxd = aup->tx_dma_ring[aup->tx_tail]; - - while (ptxd->buff_stat & TX_T_DONE) { - update_tx_stats(dev, ptxd->status, ptxd->len & 0x3ff); - ptxd->buff_stat &= ~TX_T_DONE; - ptxd->len = 0; - au_sync(); - - aup->tx_tail = (aup->tx_tail + 1) & (NUM_TX_DMA - 1); - ptxd = aup->tx_dma_ring[aup->tx_tail]; - - if (aup->tx_full) { - aup->tx_full = 0; - netif_wake_queue(dev); - } - } -} - - -/* - * Au1000 transmit routine. - */ -static int au1000_tx(struct sk_buff *skb, struct net_device *dev) -{ - struct au1000_private *aup = (struct au1000_private *) dev->priv; - volatile tx_dma_t *ptxd; - u32 buff_stat; - db_dest_t *pDB; - int i; - - if (au1000_debug > 5) - printk("%s: tx: aup %x len=%d, data=%p, head %d\n", - dev->name, (unsigned)aup, skb->len, - skb->data, aup->tx_head); - - ptxd = aup->tx_dma_ring[aup->tx_head]; - buff_stat = ptxd->buff_stat; - if (buff_stat & TX_DMA_ENABLE) { - /* We've wrapped around and the transmitter is still busy */ - netif_stop_queue(dev); - aup->tx_full = 1; - return 1; - } - else if (buff_stat & TX_T_DONE) { - update_tx_stats(dev, ptxd->status, ptxd->len & 0x3ff); - ptxd->len = 0; - } - - if (aup->tx_full) { - aup->tx_full = 0; - netif_wake_queue(dev); - } - - pDB = aup->tx_db_inuse[aup->tx_head]; - memcpy((void *)pDB->vaddr, skb->data, skb->len); - if (skb->len < ETH_ZLEN) { - for (i=skb->len; i<ETH_ZLEN; i++) { - ((char *)pDB->vaddr)[i] = 0; - } - ptxd->len = ETH_ZLEN; - } - else - ptxd->len = skb->len; - - ptxd->buff_stat = pDB->dma_addr | TX_DMA_ENABLE; - au_sync(); - dev_kfree_skb(skb); - aup->tx_head = (aup->tx_head + 1) & (NUM_TX_DMA - 1); - dev->trans_start = jiffies; - return 0; -} - - -static inline void update_rx_stats(struct net_device *dev, u32 status) -{ - struct au1000_private *aup = (struct au1000_private *) dev->priv; - struct net_device_stats *ps = &aup->stats; - - ps->rx_packets++; - if (status & RX_MCAST_FRAME) - ps->multicast++; - - if (status & RX_ERROR) { - ps->rx_errors++; - if (status & RX_MISSED_FRAME) - ps->rx_missed_errors++; - if (status & (RX_OVERLEN | RX_OVERLEN | RX_LEN_ERROR)) - ps->rx_length_errors++; - if (status & RX_CRC_ERROR) - ps->rx_crc_errors++; - if (status & RX_COLL) - ps->collisions++; - } - else - ps->rx_bytes += status & RX_FRAME_LEN_MASK; - -} - -/* - * Au1000 receive routine. - */ -static int au1000_rx(struct net_device *dev) -{ - struct au1000_private *aup = (struct au1000_private *) dev->priv; - struct sk_buff *skb; - volatile rx_dma_t *prxd; - u32 buff_stat, status; - db_dest_t *pDB; - u32 frmlen; - - if (au1000_debug > 5) - printk("%s: au1000_rx head %d\n", dev->name, aup->rx_head); - - prxd = aup->rx_dma_ring[aup->rx_head]; - buff_stat = prxd->buff_stat; - while (buff_stat & RX_T_DONE) { - status = prxd->status; - pDB = aup->rx_db_inuse[aup->rx_head]; - update_rx_stats(dev, status); - if (!(status & RX_ERROR)) { - - /* good frame */ - frmlen = (status & RX_FRAME_LEN_MASK); - frmlen -= 4; /* Remove FCS */ - skb = dev_alloc_skb(frmlen + 2); - if (skb == NULL) { - printk(KERN_ERR - "%s: Memory squeeze, dropping packet.\n", - dev->name); - aup->stats.rx_dropped++; - continue; - } - skb->dev = dev; - skb_reserve(skb, 2); /* 16 byte IP header align */ - eth_copy_and_sum(skb, - (unsigned char *)pDB->vaddr, frmlen, 0); - skb_put(skb, frmlen); - skb->protocol = eth_type_trans(skb, dev); - netif_rx(skb); /* pass the packet to upper layers */ - } - else { - if (au1000_debug > 4) { - if (status & RX_MISSED_FRAME) - printk("rx miss\n"); - if (status & RX_WDOG_TIMER) - printk("rx wdog\n"); - if (status & RX_RUNT) - printk("rx runt\n"); - if (status & RX_OVERLEN) - printk("rx overlen\n"); - if (status & RX_COLL) - printk("rx coll\n"); - if (status & RX_MII_ERROR) - printk("rx mii error\n"); - if (status & RX_CRC_ERROR) - printk("rx crc error\n"); - if (status & RX_LEN_ERROR) - printk("rx len error\n"); - if (status & RX_U_CNTRL_FRAME) - printk("rx u control frame\n"); - if (status & RX_MISSED_FRAME) - printk("rx miss\n"); - } - } - prxd->buff_stat = (u32)(pDB->dma_addr | RX_DMA_ENABLE); - aup->rx_head = (aup->rx_head + 1) & (NUM_RX_DMA - 1); - au_sync(); - - /* next descriptor */ - prxd = aup->rx_dma_ring[aup->rx_head]; - buff_stat = prxd->buff_stat; - dev->last_rx = jiffies; - } - return 0; -} - - -/* - * Au1000 interrupt service routine. - */ -static irqreturn_t au1000_interrupt(int irq, void *dev_id, struct pt_regs *regs) -{ - struct net_device *dev = (struct net_device *) dev_id; - - if (dev == NULL) { - printk(KERN_ERR "%s: isr: null dev ptr\n", dev->name); - return IRQ_RETVAL(1); - } - - /* Handle RX interrupts first to minimize chance of overrun */ - - au1000_rx(dev); - au1000_tx_ack(dev); - return IRQ_RETVAL(1); -} - - -/* - * The Tx ring has been full longer than the watchdog timeout - * value. The transmitter must be hung? - */ -static void au1000_tx_timeout(struct net_device *dev) -{ - printk(KERN_ERR "%s: au1000_tx_timeout: dev=%p\n", dev->name, dev); - reset_mac(dev); - au1000_init(dev); - dev->trans_start = jiffies; - netif_wake_queue(dev); -} - - -static unsigned const ethernet_polynomial = 0x04c11db7U; -static inline u32 ether_crc(int length, unsigned char *data) -{ - int crc = -1; - - while(--length >= 0) { - unsigned char current_octet = *data++; - int bit; - for (bit = 0; bit < 8; bit++, current_octet >>= 1) - crc = (crc << 1) ^ - ((crc < 0) ^ (current_octet & 1) ? - ethernet_polynomial : 0); - } - return crc; -} - -static void set_rx_mode(struct net_device *dev) -{ - struct au1000_private *aup = (struct au1000_private *) dev->priv; - - if (au1000_debug > 4) - printk("%s: set_rx_mode: flags=%x\n", dev->name, dev->flags); - - if (dev->flags & IFF_PROMISC) { /* Set promiscuous. */ - aup->mac->control |= MAC_PROMISCUOUS; - printk(KERN_INFO "%s: Promiscuous mode enabled.\n", dev->name); - } else if ((dev->flags & IFF_ALLMULTI) || - dev->mc_count > MULTICAST_FILTER_LIMIT) { - aup->mac->control |= MAC_PASS_ALL_MULTI; - aup->mac->control &= ~MAC_PROMISCUOUS; - printk(KERN_INFO "%s: Pass all multicast\n", dev->name); - } else { - int i; - struct dev_mc_list *mclist; - u32 mc_filter[2]; /* Multicast hash filter */ - - mc_filter[1] = mc_filter[0] = 0; - for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count; - i++, mclist = mclist->next) { - set_bit(ether_crc(ETH_ALEN, mclist->dmi_addr)>>26, - (long *)mc_filter); - } - aup->mac->multi_hash_high = mc_filter[1]; - aup->mac->multi_hash_low = mc_filter[0]; - aup->mac->control &= ~MAC_PROMISCUOUS; - aup->mac->control |= MAC_HASH_MODE; - } -} - - -static int au1000_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) -{ - struct au1000_private *aup = (struct au1000_private *)dev->priv; - u16 *data = (u16 *)&rq->ifr_ifru; - - switch(cmd) { - case SIOCDEVPRIVATE: /* Get the address of the PHY in use. */ - case SIOCGMIIPHY: - if (!netif_running(dev)) return -EINVAL; - data[0] = aup->phy_addr; - case SIOCDEVPRIVATE+1: /* Read the specified MII register. */ - case SIOCGMIIREG: - data[3] = mdio_read(dev, data[0], data[1]); - return 0; - case SIOCDEVPRIVATE+2: /* Write the specified MII register */ - case SIOCSMIIREG: - if (!capable(CAP_NET_ADMIN)) - return -EPERM; - mdio_write(dev, data[0], data[1],data[2]); - return 0; - default: - return -EOPNOTSUPP; - } - -} - - -static int au1000_set_config(struct net_device *dev, struct ifmap *map) -{ - struct au1000_private *aup = (struct au1000_private *) dev->priv; - u16 control; - - if (au1000_debug > 4) { - printk("%s: set_config called: dev->if_port %d map->port %x\n", - dev->name, dev->if_port, map->port); - } - - switch(map->port){ - case IF_PORT_UNKNOWN: /* use auto here */ - printk(KERN_INFO "%s: config phy for aneg\n", - dev->name); - dev->if_port = map->port; - /* Link Down: the timer will bring it up */ - netif_carrier_off(dev); - - /* read current control */ - control = mdio_read(dev, aup->phy_addr, MII_CONTROL); - control &= ~(MII_CNTL_FDX | MII_CNTL_F100); - - /* enable auto negotiation and reset the negotiation */ - mdio_write(dev, aup->phy_addr, MII_CONTROL, - control | MII_CNTL_AUTO | - MII_CNTL_RST_AUTO); - - break; - - case IF_PORT_10BASET: /* 10BaseT */ - printk(KERN_INFO "%s: config phy for 10BaseT\n", - dev->name); - dev->if_port = map->port; - - /* Link Down: the timer will bring it up */ - netif_carrier_off(dev); - - /* set Speed to 10Mbps, Half Duplex */ - control = mdio_read(dev, aup->phy_addr, MII_CONTROL); - control &= ~(MII_CNTL_F100 | MII_CNTL_AUTO | - MII_CNTL_FDX); - - /* disable auto negotiation and force 10M/HD mode*/ - mdio_write(dev, aup->phy_addr, MII_CONTROL, control); - break; - - case IF_PORT_100BASET: /* 100BaseT */ - case IF_PORT_100BASETX: /* 100BaseTx */ - printk(KERN_INFO "%s: config phy for 100BaseTX\n", - dev->name); - dev->if_port = map->port; - - /* Link Down: the timer will bring it up */ - netif_carrier_off(dev); - - /* set Speed to 100Mbps, Half Duplex */ - /* disable auto negotiation and enable 100MBit Mode */ - control = mdio_read(dev, aup->phy_addr, MII_CONTROL); - control &= ~(MII_CNTL_AUTO | MII_CNTL_FDX); - control |= MII_CNTL_F100; - mdio_write(dev, aup->phy_addr, MII_CONTROL, control); - break; - - case IF_PORT_100BASEFX: /* 100BaseFx */ - printk(KERN_INFO "%s: config phy for 100BaseFX\n", - dev->name); - dev->if_port = map->port; - - /* Link Down: the timer will bring it up */ - netif_carrier_off(dev); - - /* set Speed to 100Mbps, Full Duplex */ - /* disable auto negotiation and enable 100MBit Mode */ - control = mdio_read(dev, aup->phy_addr, MII_CONTROL); - control &= ~MII_CNTL_AUTO; - control |= MII_CNTL_F100 | MII_CNTL_FDX; - mdio_write(dev, aup->phy_addr, MII_CONTROL, control); - break; - case IF_PORT_10BASE2: /* 10Base2 */ - case IF_PORT_AUI: /* AUI */ - /* These Modes are not supported (are they?)*/ - printk(KERN_ERR "%s: 10Base2/AUI not supported", - dev->name); - return -EOPNOTSUPP; - break; - - default: - printk(KERN_ERR "%s: Invalid media selected", - dev->name); - return -EINVAL; - } - return 0; -} - -static struct net_device_stats *au1000_get_stats(struct net_device *dev) -{ - struct au1000_private *aup = (struct au1000_private *) dev->priv; - - if (au1000_debug > 4) - printk("%s: au1000_get_stats: dev=%p\n", dev->name, dev); - - if (netif_device_present(dev)) { - return &aup->stats; - } - return 0; -} - -module_init(au1000_init_module); -module_exit(au1000_cleanup_module); |