diff options
Diffstat (limited to 'target/linux/rdc/files-2.6.24/drivers/net/r6040.c')
| -rw-r--r-- | target/linux/rdc/files-2.6.24/drivers/net/r6040.c | 1412 |
1 files changed, 0 insertions, 1412 deletions
diff --git a/target/linux/rdc/files-2.6.24/drivers/net/r6040.c b/target/linux/rdc/files-2.6.24/drivers/net/r6040.c deleted file mode 100644 index 0096006197..0000000000 --- a/target/linux/rdc/files-2.6.24/drivers/net/r6040.c +++ /dev/null @@ -1,1412 +0,0 @@ -/* - * RDC R6040 Fast Ethernet MAC support - * - * Copyright (C) 2004 Sten Wang <sten.wang@rdc.com.tw> - * Copyright (C) 2007 - * Daniel Gimpelevich <daniel@gimpelevich.san-francisco.ca.us> - * Florian Fainelli <florian@openwrt.org> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This program is distributed in the hope that 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., 51 Franklin Street, Fifth Floor, - * Boston, MA 02110-1301, USA. -*/ - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/version.h> -#include <linux/moduleparam.h> -#include <linux/string.h> -#include <linux/timer.h> -#include <linux/errno.h> -#include <linux/ioport.h> -#include <linux/slab.h> -#include <linux/interrupt.h> -#include <linux/pci.h> -#include <linux/netdevice.h> -#include <linux/etherdevice.h> -#include <linux/skbuff.h> -#include <linux/init.h> -#include <linux/delay.h> -#include <linux/mii.h> -#include <linux/ethtool.h> -#include <linux/crc32.h> -#include <linux/spinlock.h> -#include <linux/bitops.h> -#include <linux/io.h> -#include <linux/irq.h> -#include <linux/uaccess.h> - -#include <asm/processor.h> - -#define DRV_NAME "r6040" -#define DRV_VERSION "0.19" -#define DRV_RELDATE "16Jun2008" - -/* define bits of a debug mask */ -#define DBG_PHY 0x00000001 /*!< show PHY read/write */ -#define DBG_FREE_BUFS 0x00000002 /*!< show calls to r6040_free_*bufs */ -#define DBG_RING 0x00000004 /*!< debug init./freeing of descr rings */ -#define DBG_RX_BUF 0x00000008 /*!< show alloc. of new rx buf (in IRQ context !) */ -#define DBG_TX_BUF 0x00000010 /*!< show arrival of new tx buf */ -#define DBG_TX_DONE 0x00000020 /*!< debug TX done */ -#define DBG_RX_DESCR 0x00000040 /*!< debug rx descr to be processed */ -#define DBG_RX_DATA 0x00000080 /*!< show some user data of incoming packet */ -#define DBG_EXIT 0x00000100 /*!< show exit code calls */ -#define DBG_INIT 0x00000200 /*!< show init. code calls */ -#define DBG_TX_RING_DUMP 0x00000400 /*!< dump the tx ring after creation */ -#define DBG_RX_RING_DUMP 0x00000800 /*!< dump the rx ring after creation */ -#define DBG_TX_DESCR 0x00001000 /*!< dump the setting of a descr for tx */ -#define DBG_TX_DATA 0x00002000 /*!< dump some tx data */ -#define DBG_IRQ 0x00004000 /*!< print inside the irq handler */ -#define DBG_POLL 0x00008000 /*!< dump info on poll procedure */ -#define DBG_MAC_ADDR 0x00010000 /*!< debug mac address setting */ -#define DBG_OPEN 0x00020000 /*!< debug open proc. */ - -static int debug = 0; -module_param(debug, int, 0); -MODULE_PARM_DESC(debug, "debug mask (-1 for all)"); - -/* define which debugs are left in the code during compilation */ -#define DEBUG (-1) /* all debugs */ - -#define dbg(l, f, ...) \ - do { \ - if ((DEBUG & l) && (debug & l)) { \ - printk(KERN_INFO DRV_NAME " %s: " f, __FUNCTION__, ## __VA_ARGS__); \ - } \ - } while (0) - -#define err(f, ...) printk(KERN_WARNING DRV_NAME " %s: " f, __FUNCTION__, ## __VA_ARGS__) - -/* PHY CHIP Address */ -#define PHY1_ADDR 1 /* For MAC1 */ -#define PHY2_ADDR 3 /* For MAC2 */ -#define PHY_MODE 0x3100 /* PHY CHIP Register 0 */ -#define PHY_CAP 0x01E1 /* PHY CHIP Register 4 */ - -/* Time in jiffies before concluding the transmitter is hung. */ -#define TX_TIMEOUT (6000 * HZ / 1000) - -/* RDC MAC I/O Size */ -#define R6040_IO_SIZE 256 - -/* MAX RDC MAC */ -#define MAX_MAC 2 - -/* MAC registers */ -#define MCR0 0x00 /* Control register 0 */ -#define MCR1 0x04 /* Control register 1 */ -#define MAC_RST 0x0001 /* Reset the MAC */ -#define MBCR 0x08 /* Bus control */ -#define MT_ICR 0x0C /* TX interrupt control */ -#define MR_ICR 0x10 /* RX interrupt control */ -#define MTPR 0x14 /* TX poll command register */ -#define MR_BSR 0x18 /* RX buffer size */ -#define MR_DCR 0x1A /* RX descriptor control */ -#define MLSR 0x1C /* Last status */ -#define MMDIO 0x20 /* MDIO control register */ -#define MDIO_WRITE 0x4000 /* MDIO write */ -#define MDIO_READ 0x2000 /* MDIO read */ -#define MMRD 0x24 /* MDIO read data register */ -#define MMWD 0x28 /* MDIO write data register */ -#define MTD_SA0 0x2C /* TX descriptor start address 0 */ -#define MTD_SA1 0x30 /* TX descriptor start address 1 */ -#define MRD_SA0 0x34 /* RX descriptor start address 0 */ -#define MRD_SA1 0x38 /* RX descriptor start address 1 */ -#define MISR 0x3C /* Status register */ -#define MIER 0x40 /* INT enable register */ -#define MSK_INT 0x0000 /* Mask off interrupts */ -#define RX_FINISH 0x0001 /* rx finished irq */ -#define RX_NO_DESC 0x0002 /* rx no descr. avail. irq */ -#define RX_FIFO_FULL 0x0004 /* rx fifo full irq */ -#define RX_EARLY 0x0008 /* rx early irq */ -#define TX_FINISH 0x0010 /* tx finished irq */ -#define TX_EARLY 0x0080 /* tx early irq */ -#define EVENT_OVRFL 0x0100 /* event counter overflow irq */ -#define LINK_CHANGED 0x0200 /* PHY link changed irq */ - -#define ME_CISR 0x44 /* Event counter INT status */ -#define ME_CIER 0x48 /* Event counter INT enable */ -#define MR_CNT 0x50 /* Successfully received packet counter */ -#define ME_CNT0 0x52 /* Event counter 0 */ -#define ME_CNT1 0x54 /* Event counter 1 */ -#define ME_CNT2 0x56 /* Event counter 2 */ -#define ME_CNT3 0x58 /* Event counter 3 */ -#define MT_CNT 0x5A /* Successfully transmit packet counter */ -#define ME_CNT4 0x5C /* Event counter 4 */ -#define MP_CNT 0x5E /* Pause frame counter register */ -#define MAR0 0x60 /* Hash table 0 */ -#define MAR1 0x62 /* Hash table 1 */ -#define MAR2 0x64 /* Hash table 2 */ -#define MAR3 0x66 /* Hash table 3 */ -#define MID_0L 0x68 /* Multicast address MID0 Low */ -#define MID_0M 0x6A /* Multicast address MID0 Medium */ -#define MID_0H 0x6C /* Multicast address MID0 High */ -#define MID_1L 0x70 /* MID1 Low */ -#define MID_1M 0x72 /* MID1 Medium */ -#define MID_1H 0x74 /* MID1 High */ -#define MID_2L 0x78 /* MID2 Low */ -#define MID_2M 0x7A /* MID2 Medium */ -#define MID_2H 0x7C /* MID2 High */ -#define MID_3L 0x80 /* MID3 Low */ -#define MID_3M 0x82 /* MID3 Medium */ -#define MID_3H 0x84 /* MID3 High */ -#define PHY_CC 0x88 /* PHY status change configuration register */ -#define PHY_ST 0x8A /* PHY status register */ -#define MAC_SM 0xAC /* MAC status machine */ -#define MAC_ID 0xBE /* Identifier register */ - -#define TX_DCNT 0x80 /* TX descriptor count */ -#define RX_DCNT 0x80 /* RX descriptor count */ -#define MAX_BUF_SIZE 0x600 -#define RX_DESC_SIZE (RX_DCNT * sizeof(struct r6040_descriptor)) -#define TX_DESC_SIZE (TX_DCNT * sizeof(struct r6040_descriptor)) -#define MBCR_DEFAULT 0x012A /* MAC Bus Control Register: - - wait 1 host clock until SDRAM bus request - becomes high priority - - RX FIFO: 32 byte - - TX FIFO: 64 byte - - FIFO transfer length: 16 byte */ -#define MCAST_MAX 4 /* Max number multicast addresses to filter */ - -/* PHY settings */ -#define ICPLUS_PHY_ID 0x0243 - -MODULE_AUTHOR("Sten Wang <sten.wang@rdc.com.tw>," - "Daniel Gimpelevich <daniel@gimpelevich.san-francisco.ca.us>," - "Florian Fainelli <florian@openwrt.org>"); -MODULE_LICENSE("GPL"); -MODULE_DESCRIPTION("RDC R6040 NAPI PCI FastEthernet driver"); - -/*! which rx interrupts do we allow */ -#define RX_INTS (RX_FIFO_FULL|RX_NO_DESC|RX_FINISH) -/*! which tx interrupts do we allow */ -#define TX_INTS (TX_FINISH) -#define INT_MASK (RX_INTS | TX_INTS) - -struct r6040_descriptor { - u16 status, len; /* 0-3 */ - __le32 buf; /* 4-7 */ - __le32 ndesc; /* 8-B */ - u32 rev1; /* C-F */ - char *vbufp; /* 10-13 */ - struct r6040_descriptor *vndescp; /* 14-17 */ - struct sk_buff *skb_ptr; /* 18-1B */ - u32 rev2; /* 1C-1F */ -} __attribute__((aligned(32))); - -/*! defines for the status field in the r6040_descriptor */ -#define DESC_STATUS_OWNER_MAC (1<<15) /*!< if set the MAC is the owner of this descriptor */ -#define DESC_STATUS_RX_OK (1<<14) /*!< rx was successful */ -#define DESC_STATUS_RX_ERR (1<<11) /*!< rx PHY error */ -#define DESC_STATUS_RX_ERR_DRIBBLE (1<<10) /*!< rx dribble packet */ -#define DESC_STATUS_RX_ERR_BUFLEN (1<< 9) /*!< rx length exceeded buffer size */ -#define DESC_STATUS_RX_ERR_LONG (1<< 8) /*!< rx length > maximum packet length */ -#define DESC_STATUS_RX_ERR_RUNT (1<< 7) /*!< rx: packet length < 64 byte */ -#define DESC_STATUS_RX_ERR_CRC (1<< 6) /*!< rx: crc error */ -#define DESC_STATUS_RX_BROADCAST (1<< 5) /*!< rx: broadcast (no error) */ -#define DESC_STATUS_RX_MULTICAST (1<< 4) /*!< rx: multicast (no error) */ -#define DESC_STATUS_RX_MCH_HIT (1<< 3) /*!< rx: multicast hit in hash table (no error) */ -#define DESC_STATUS_RX_MIDH_HIT (1<< 2) /*!< rx: MID table hit (no error) */ -#define DESC_STATUS_RX_IDX_MID_MASK 3 /*!< rx: mask for the index of matched MIDx */ - -struct r6040_private { - spinlock_t lock; /* driver lock */ - struct timer_list timer; - struct pci_dev *pdev; - struct r6040_descriptor *rx_insert_ptr; - struct r6040_descriptor *rx_remove_ptr; - struct r6040_descriptor *tx_insert_ptr; - struct r6040_descriptor *tx_remove_ptr; - struct r6040_descriptor *rx_ring; - struct r6040_descriptor *tx_ring; - dma_addr_t rx_ring_dma; - dma_addr_t tx_ring_dma; - u16 tx_free_desc, phy_addr, phy_mode; - u16 mcr0, mcr1; - u16 switch_sig; - struct net_device *dev; - struct mii_if_info mii_if; - struct napi_struct napi; - void __iomem *base; -}; - -static char *parent = "wlan0"; -module_param(parent, charp, 0444); -MODULE_PARM_DESC(parent, "Parent network device name to get the MAC address from"); - -static u8 mac_base[ETH_ALEN] = {0,0x50,0xfc,2,3,4}; -module_param_array(mac_base, byte, NULL, 0444); -MODULE_PARM_DESC(mac_base, "Starting MAC address"); - -static int reverse = 1; -module_param(reverse, invbool, 0444); -MODULE_PARM_DESC(reverse, "Reverse card indices"); - -static char version[] __devinitdata = DRV_NAME - ": RDC R6040 NAPI net driver," - "version "DRV_VERSION " (" DRV_RELDATE ")"; - -static int phy_table[] = { PHY1_ADDR, PHY2_ADDR }; - -/* forward declarations */ -void r6040_multicast_list(struct net_device *dev); - -/* jal2: comment out to get more symbols for debugging */ -//#define STATIC static -#define STATIC - -#if DEBUG -/*! hexdump an memory area into a string. delim is taken as the delimiter between two bytes. - It is omitted if delim == '\0' */ -STATIC char *hex2str(void *addr, char *buf, int nr_bytes, int delim) -{ - unsigned char *src = addr; - char *outb = buf; - -#define BIN2HEXDIGIT(x) ((x) < 10 ? '0'+(x) : 'A'-10+(x)) - - while (nr_bytes > 0) { - *outb++ = BIN2HEXDIGIT(*src>>4); - *outb++ = BIN2HEXDIGIT(*src&0xf); - if (delim) - *outb++ = delim; - nr_bytes--; - src++; - } - - if (delim) - outb--; - *outb = '\0'; - return buf; -} - -#endif /* #if DEBUG */ - -/* Read a word data from PHY Chip */ -STATIC int phy_read(void __iomem *ioaddr, int phy_addr, int reg) -{ - int limit = 2048; - u16 cmd; - int rc; - - iowrite16(MDIO_READ + reg + (phy_addr << 8), ioaddr + MMDIO); - /* Wait for the read bit to be cleared */ - while (limit--) { - cmd = ioread16(ioaddr + MMDIO); - if (!(cmd & MDIO_READ)) - break; - } - - if (limit <= 0) - err("phy addr x%x reg x%x timed out\n", - phy_addr, reg); - - rc=ioread16(ioaddr + MMRD); - - dbg(DBG_PHY, "phy addr x%x reg x%x val x%x\n", phy_addr, reg, rc); - return rc; -} - -/* Write a word data from PHY Chip */ -STATIC void phy_write(void __iomem *ioaddr, int phy_addr, int reg, u16 val) -{ - int limit = 2048; - u16 cmd; - - dbg(DBG_PHY, "phy addr x%x reg x%x val x%x\n", phy_addr, reg, val); - - iowrite16(val, ioaddr + MMWD); - /* Write the command to the MDIO bus */ - iowrite16(MDIO_WRITE + reg + (phy_addr << 8), ioaddr + MMDIO); - /* Wait for the write bit to be cleared */ - while (limit--) { - cmd = ioread16(ioaddr + MMDIO); - if (!(cmd & MDIO_WRITE)) - break; - } - if (limit <= 0) - err("phy addr x%x reg x%x val x%x timed out\n", - phy_addr, reg, val); -} - -STATIC int mdio_read(struct net_device *dev, int mii_id, int reg) -{ - struct r6040_private *lp = netdev_priv(dev); - void __iomem *ioaddr = lp->base; - - return (phy_read(ioaddr, lp->phy_addr, reg)); -} - -STATIC void mdio_write(struct net_device *dev, int mii_id, int reg, int val) -{ - struct r6040_private *lp = netdev_priv(dev); - void __iomem *ioaddr = lp->base; - - phy_write(ioaddr, lp->phy_addr, reg, val); -} - -void r6040_free_txbufs(struct net_device *dev) -{ - struct r6040_private *lp = netdev_priv(dev); - int i; - - dbg(DBG_FREE_BUFS, "ENTER\n"); - for (i = 0; i < TX_DCNT; i++) { - if (lp->tx_insert_ptr->skb_ptr) { - pci_unmap_single(lp->pdev, - le32_to_cpu(lp->tx_insert_ptr->buf), - MAX_BUF_SIZE, PCI_DMA_TODEVICE); - dev_kfree_skb(lp->tx_insert_ptr->skb_ptr); - lp->tx_insert_ptr->skb_ptr = NULL; - } - lp->tx_insert_ptr = lp->tx_insert_ptr->vndescp; - } - dbg(DBG_FREE_BUFS, "EXIT\n"); -} - -/*! unmap and free all rx skb */ -void r6040_free_rxbufs(struct net_device *dev) -{ - struct r6040_private *lp = netdev_priv(dev); - int i; - - dbg(DBG_FREE_BUFS, "ENTER\n"); - for (i = 0; i < RX_DCNT; i++) { - if (lp->rx_insert_ptr->skb_ptr) { - pci_unmap_single(lp->pdev, - le32_to_cpu(lp->rx_insert_ptr->buf), - MAX_BUF_SIZE, PCI_DMA_FROMDEVICE); - dev_kfree_skb(lp->rx_insert_ptr->skb_ptr); - lp->rx_insert_ptr->skb_ptr = NULL; - } - lp->rx_insert_ptr = lp->rx_insert_ptr->vndescp; - } - dbg(DBG_FREE_BUFS, "EXIT\n"); - -} - -void r6040_init_ring_desc(struct r6040_descriptor *desc_ring, - dma_addr_t desc_dma, int size) -{ - struct r6040_descriptor *desc = desc_ring; - dma_addr_t mapping = desc_dma; - - dbg(DBG_RING, "desc_ring %p desc_dma %08x size x%x\n", - desc_ring, desc_dma, size); - - - while (size-- > 0) { - mapping += sizeof(*desc); - memset(desc, 0, sizeof(*desc)); - desc->ndesc = cpu_to_le32(mapping); - desc->vndescp = desc + 1; - desc++; - } - - /* last descriptor points to first one to close the descriptor ring */ - desc--; - desc->ndesc = cpu_to_le32(desc_dma); - desc->vndescp = desc_ring; -} - -#if (DEBUG & DBG_TX_RING_DUMP) -/*! dump the tx ring to syslog */ -STATIC void -dump_tx_ring(struct r6040_private *lp) -{ - int i; - struct r6040_descriptor *ptr; - - printk(KERN_INFO "%s: nr_desc x%x tx_ring %p tx_ring_dma %08x " - "tx_insert %p tx_remove %p\n", - DRV_NAME, TX_DCNT, lp->tx_ring, lp->tx_ring_dma, - lp->tx_insert_ptr, lp->tx_remove_ptr); - - if (lp->tx_ring) { - for(i=0, ptr=lp->tx_ring; i < TX_DCNT; i++, ptr++) { - printk(KERN_INFO "%s: %d. descr: status x%x len x%x " - "ndesc %08x vbufp %p vndescp %p skb_ptr %p\n", - DRV_NAME, i, ptr->status, ptr->len, - ptr->ndesc, ptr->vbufp, ptr->vndescp, ptr->skb_ptr); - } - } -} -#endif /* #if (DEBUG & DBG_TX_RING_DUMP) */ - -void r6040_init_txbufs(struct net_device *dev) -{ - struct r6040_private *lp = netdev_priv(dev); - - lp->tx_free_desc = TX_DCNT; - - lp->tx_remove_ptr = lp->tx_insert_ptr = lp->tx_ring; - r6040_init_ring_desc(lp->tx_ring, lp->tx_ring_dma, TX_DCNT); - -#if (DEBUG & DBG_TX_RING_DUMP) - if (debug & DBG_TX_RING_DUMP) { - dump_tx_ring(lp); - } -#endif -} - -#if (DEBUG & DBG_RX_RING_DUMP) -/*! dump the rx ring to syslog */ -STATIC void -dump_rx_ring(struct r6040_private *lp) -{ - int i; - struct r6040_descriptor *ptr; - - printk(KERN_INFO "%s: nr_desc x%x rx_ring %p rx_ring_dma %08x " - "rx_insert %p rx_remove %p\n", - DRV_NAME, RX_DCNT, lp->rx_ring, lp->rx_ring_dma, - lp->rx_insert_ptr, lp->rx_remove_ptr); - - if (lp->rx_ring) { - for(i=0, ptr=lp->rx_ring; i < RX_DCNT; i++, ptr++) { - printk(KERN_INFO "%s: %d. descr: status x%x len x%x " - "ndesc %08x vbufp %p vndescp %p skb_ptr %p\n", - DRV_NAME, i, ptr->status, ptr->len, - ptr->ndesc, ptr->vbufp, ptr->vndescp, ptr->skb_ptr); - } - } -} -#endif /* #if (DEBUG & DBG_TX_RING_DUMP) */ - -int r6040_alloc_rxbufs(struct net_device *dev) -{ - struct r6040_private *lp = netdev_priv(dev); - struct r6040_descriptor *desc; - struct sk_buff *skb; - int rc; - - lp->rx_remove_ptr = lp->rx_insert_ptr = lp->rx_ring; - r6040_init_ring_desc(lp->rx_ring, lp->rx_ring_dma, RX_DCNT); - - /* alloc skbs for the rx descriptors */ - desc = lp->rx_ring; - do { - if (!(skb=netdev_alloc_skb(dev, MAX_BUF_SIZE))) { - err("failed to alloc skb for rx\n"); - rc = -ENOMEM; - goto err_exit; - } - desc->skb_ptr = skb; - desc->buf = cpu_to_le32(pci_map_single(lp->pdev, - desc->skb_ptr->data, - MAX_BUF_SIZE, PCI_DMA_FROMDEVICE)); - desc->status = DESC_STATUS_OWNER_MAC; - desc = desc->vndescp; - } while (desc != lp->rx_ring); - -#if (DEBUG & DBG_RX_RING_DUMP) - if (debug & DBG_RX_RING_DUMP) { - dump_rx_ring(lp); - } -#endif - - return 0; - -err_exit: - /* dealloc all previously allocated skb */ - r6040_free_rxbufs(dev); - return rc; -} - -/*! reset MAC and set all registers */ -void r6040_init_mac_regs(struct r6040_private *lp) -{ - void __iomem *ioaddr = lp->base; - int limit; - char obuf[3*ETH_ALEN] __attribute__ ((unused)); - - /* Mask Off Interrupt */ - iowrite16(MSK_INT, ioaddr + MIER); - - /* reset MAC */ - iowrite16(MAC_RST, ioaddr + MCR1); - udelay(100); - limit=2048; - while ((ioread16(ioaddr + MCR1) & MAC_RST) && limit-- > 0); - - /* Reset internal state machine */ - iowrite16(2, ioaddr + MAC_SM); - iowrite16(0, ioaddr + MAC_SM); - udelay(5000); - - /* Restore MAC Addresses */ - r6040_multicast_list(lp->dev); - - /* TODO: restore multcast and hash table */ - - /* MAC Bus Control Register */ - iowrite16(MBCR_DEFAULT, ioaddr + MBCR); - - /* Buffer Size Register */ - iowrite16(MAX_BUF_SIZE, ioaddr + MR_BSR); - - /* write tx ring start address */ - iowrite16(lp->tx_ring_dma, ioaddr + MTD_SA0); - iowrite16(lp->tx_ring_dma >> 16, ioaddr + MTD_SA1); - - /* write rx ring start address */ - iowrite16(lp->rx_ring_dma, ioaddr + MRD_SA0); - iowrite16(lp->rx_ring_dma >> 16, ioaddr + MRD_SA1); - - /* set interrupt waiting time and packet numbers */ - iowrite16(0, ioaddr + MT_ICR); - iowrite16(0, ioaddr + MR_ICR); - - /* enable interrupts */ - iowrite16(INT_MASK, ioaddr + MIER); - - /* enable tx and rx */ - iowrite16(lp->mcr0 | 0x0002, ioaddr); - - /* let TX poll the descriptors - we may got called by r6040_tx_timeout which has left - some unsent tx buffers */ - iowrite16(0x01, ioaddr + MTPR); -} - -void r6040_tx_timeout(struct net_device *dev) -{ - struct r6040_private *priv = netdev_priv(dev); - void __iomem *ioaddr = priv->base; - - /* we read MISR, which clears on read (i.e. we may loose an RX interupt, - but this is an error anyhow ... */ - printk(KERN_WARNING "%s: transmit timed out, int enable %4.4x " - "status %4.4x, PHY status %4.4x\n", - dev->name, ioread16(ioaddr + MIER), - ioread16(ioaddr + MISR), - mdio_read(dev, priv->mii_if.phy_id, MII_BMSR)); - - dev->stats.tx_errors++; - - /* Reset MAC and re-init all registers */ - r6040_init_mac_regs(priv); -} - -struct net_device_stats *r6040_get_stats(struct net_device *dev) -{ - struct r6040_private *priv = netdev_priv(dev); - void __iomem *ioaddr = priv->base; - unsigned long flags; - - spin_lock_irqsave(&priv->lock, flags); - dev->stats.rx_crc_errors += ioread8(ioaddr + ME_CNT1); - dev->stats.multicast += ioread8(ioaddr + ME_CNT0); - spin_unlock_irqrestore(&priv->lock, flags); - - return &dev->stats; -} - -/* Stop RDC MAC and Free the allocated resource */ -void r6040_down(struct net_device *dev) -{ - struct r6040_private *lp = netdev_priv(dev); - void __iomem *ioaddr = lp->base; - struct pci_dev *pdev = lp->pdev; - int limit = 2048; - - dbg(DBG_EXIT, "ENTER\n"); - - /* Stop MAC */ - iowrite16(MSK_INT, ioaddr + MIER); /* Mask Off Interrupt */ - iowrite16(MAC_RST, ioaddr + MCR1); /* Reset RDC MAC */ - udelay(100); - while ((ioread16(ioaddr+MCR1) & 1) && limit-- > 0); - - if (limit <= 0) - err("timeout while waiting for reset done.\n"); - - free_irq(dev->irq, dev); - - /* Free RX buffer */ - r6040_free_rxbufs(dev); - - /* Free TX buffer */ - r6040_free_txbufs(dev); - - /* Free Descriptor memory */ - pci_free_consistent(pdev, RX_DESC_SIZE, lp->rx_ring, lp->rx_ring_dma); - pci_free_consistent(pdev, TX_DESC_SIZE, lp->tx_ring, lp->tx_ring_dma); - - dbg(DBG_EXIT, "EXIT\n"); -} - -int r6040_close(struct net_device *dev) -{ - struct r6040_private *lp = netdev_priv(dev); - - dbg(DBG_EXIT, "ENTER\n"); - - /* deleted timer */ - del_timer_sync(&lp->timer); - spin_lock_irq(&lp->lock); - napi_disable(&lp->napi); - netif_stop_queue(dev); - r6040_down(dev); - spin_unlock_irq(&lp->lock); - - dbg(DBG_EXIT, "EXIT\n"); - return 0; -} - -/* Status of PHY CHIP. Returns 0x8000 for full duplex, 0 for half duplex */ -STATIC int phy_mode_chk(struct net_device *dev) -{ - struct r6040_private *lp = netdev_priv(dev); - void __iomem *ioaddr = lp->base; - int phy_dat; - - /* PHY Link Status Check */ - phy_dat = phy_read(ioaddr, lp->phy_addr, 1); - if (!(phy_dat & 0x4)) - phy_dat = 0x8000; /* Link Failed, full duplex */ - - /* PHY Chip Auto-Negotiation Status */ - phy_dat = phy_read(ioaddr, lp->phy_addr, 1); - if (phy_dat & 0x0020) { - /* Auto Negotiation Mode */ - phy_dat = phy_read(ioaddr, lp->phy_addr, 5); - phy_dat &= phy_read(ioaddr, lp->phy_addr, 4); - if (phy_dat & 0x140) - /* Force full duplex */ - phy_dat = 0x8000; - else - phy_dat = 0; - } else { - /* Force Mode */ - phy_dat = phy_read(ioaddr, lp->phy_addr, 0); - if (phy_dat & 0x100) - phy_dat = 0x8000; - else - phy_dat = 0x0000; - } - - dbg(DBG_PHY, "RETURN x%x\n", phy_dat); - return phy_dat; -}; - -void r6040_set_carrier(struct mii_if_info *mii) -{ - if (phy_mode_chk(mii->dev)) { - /* autoneg is off: Link is always assumed to be up */ - if (!netif_carrier_ok(mii->dev)) - netif_carrier_on(mii->dev); - } else - phy_mode_chk(mii->dev); -} - -int r6040_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) -{ - struct r6040_private *lp = netdev_priv(dev); - struct mii_ioctl_data *data = if_mii(rq); - int rc; - - if (!netif_running(dev)) - return -EINVAL; - spin_lock_irq(&lp->lock); - rc = generic_mii_ioctl(&lp->mii_if, data, cmd, NULL); - spin_unlock_irq(&lp->lock); - r6040_set_carrier(&lp->mii_if); - return rc; -} - -int r6040_rx(struct net_device *dev, int limit) -{ - struct r6040_private *priv = netdev_priv(dev); - int count=0; - struct r6040_descriptor *descptr = priv->rx_remove_ptr; - struct sk_buff *skb_ptr, *new_skb; - char obuf[2*32+1] __attribute__ ((unused)); /* for debugging */ - - while (count < limit && !(descptr->status & DESC_STATUS_OWNER_MAC)) { - /* limit not reached and the descriptor belongs to the CPU */ - - dbg(DBG_RX_DESCR, "descptr %p status x%x data len x%x\n", - descptr, descptr->status, descptr->len); - - /* Check for errors */ - if (descptr->status & DESC_STATUS_RX_ERR) { - - dev->stats.rx_errors++; - - if (descptr->status & (DESC_STATUS_RX_ERR_DRIBBLE| - DESC_STATUS_RX_ERR_BUFLEN| - DESC_STATUS_RX_ERR_LONG| - DESC_STATUS_RX_ERR_RUNT)) { - /* packet too long or too short*/ - dev->stats.rx_length_errors++; - } - - if (descptr->status & DESC_STATUS_RX_ERR_CRC) { - dev->stats.rx_crc_errors++; - } - goto next_descr; - } - - /* successful received packet */ - - /* first try to allocate new skb. If this fails - we drop the packet and leave the old skb there.*/ - new_skb = netdev_alloc_skb(dev, MAX_BUF_SIZE); - if (!new_skb) { - dev->stats.rx_dropped++; - goto next_descr; - } - skb_ptr = descptr->skb_ptr; - skb_ptr->dev = priv->dev; - /* Do not count the CRC */ - skb_put(skb_ptr, descptr->len - 4); - pci_unmap_single(priv->pdev, le32_to_cpu(descptr->buf), - MAX_BUF_SIZE, PCI_DMA_FROMDEVICE); - skb_ptr->protocol = eth_type_trans(skb_ptr, priv->dev); - - dbg(DBG_RX_DATA, "rx len x%x: %s...\n", - descptr->len, - hex2str(skb_ptr->data, obuf, sizeof(obuf)/2, '\0')); - - /* Send to upper layer */ - netif_receive_skb(skb_ptr); - dev->last_rx = jiffies; - dev->stats.rx_packets++; - dev->stats.rx_bytes += (descptr->len-4); - - /* put new skb into descriptor */ - descptr->skb_ptr = new_skb; - descptr->buf = cpu_to_le32(pci_map_single(priv->pdev, - descptr->skb_ptr->data, - MAX_BUF_SIZE, PCI_DMA_FROMDEVICE)); - -next_descr: - /* put the descriptor back to the MAC */ - descptr->status = DESC_STATUS_OWNER_MAC; - descptr = descptr->vndescp; - count++; /* shall we count errors and dropped packets as well? */ - } /* while (limit && !(descptr->status & DESC_STATUS_OWNER_MAC)) */ - - /* remember next descriptor to check for rx */ - priv->rx_remove_ptr = descptr; - - return count; -} - -void r6040_tx(struct net_device *dev) -{ - struct r6040_private *priv = netdev_priv(dev); - struct r6040_descriptor *descptr; - void __iomem *ioaddr = priv->base; - struct sk_buff *skb_ptr; - u16 err; - - spin_lock(&priv->lock); - descptr = priv->tx_remove_ptr; - while (priv->tx_free_desc < TX_DCNT) { - /* Check for errors */ - err = ioread16(ioaddr + MLSR); - - if (err & 0x0200) - dev->stats.rx_fifo_errors++; - if (err & (0x2000 | 0x4000)) - dev->stats.tx_carrier_errors++; - - dbg(DBG_TX_DONE, "descptr %p status x%x err x%x jiffies %lu\n", - descptr, descptr->status, err, jiffies); - - if (descptr->status & 0x8000) - break; /* Not complete */ - skb_ptr = descptr->skb_ptr; - pci_unmap_single(priv->pdev, le32_to_cpu(descptr->buf), - skb_ptr->len, PCI_DMA_TODEVICE); - /* Free buffer */ - dev_kfree_skb_irq(skb_ptr); - descptr->skb_ptr = NULL; - /* To next descriptor */ - descptr = descptr->vndescp; - priv->tx_free_desc++; - } - priv->tx_remove_ptr = descptr; - - if (priv->tx_free_desc) - netif_wake_queue(dev); - spin_unlock(&priv->lock); -} - -int r6040_poll(struct napi_struct *napi, int budget) -{ - struct r6040_private *priv = - container_of(napi, struct r6040_private, napi); - struct net_device *dev = priv->dev; - void __iomem *ioaddr = priv->base; - int work_done; - - work_done = r6040_rx(dev, budget); - - dbg(DBG_POLL, "budget x%x done x%x\n", budget, work_done); - - if (work_done < budget) { - netif_rx_complete(dev, napi); - /* Enable RX interrupt */ - iowrite16(ioread16(ioaddr + MIER) | RX_INTS, ioaddr + MIER); - } - return work_done; -} - -/* The RDC interrupt handler. */ -irqreturn_t r6040_interrupt(int irq, void *dev_id) -{ - struct net_device *dev = dev_id; - struct r6040_private *lp = netdev_priv(dev); - void __iomem *ioaddr = lp->base; - u16 status; - - /* Read MISR status and clear */ - status = ioread16(ioaddr + MISR); - - dbg(DBG_IRQ, "status x%x jiffies %lu\n", status, jiffies); - - if (status == 0x0000 || status == 0xffff) - return IRQ_NONE; - - /* rx early / rx finish interrupt - or rx descriptor unavail. */ - if (status & RX_INTS) { - if (status & RX_NO_DESC) { - /* rx descriptor unavail. */ - dev->stats.rx_dropped++; - dev->stats.rx_missed_errors++; - } - /* Mask off RX interrupts */ - iowrite16(ioread16(ioaddr + MIER) & ~RX_INTS, ioaddr + MIER); - netif_rx_schedule(dev, &lp->napi); - } - - /* rx FIFO full */ - if (status & RX_FIFO_FULL) { - dev->stats.rx_fifo_errors++; - } - - /* TX interrupt request */ - if (status & 0x10) - r6040_tx(dev); - - return IRQ_HANDLED; -} - -#ifdef CONFIG_NET_POLL_CONTROLLER -void r6040_poll_controller(struct net_device *dev) -{ - disable_irq(dev->irq); - r6040_interrupt(dev->irq, dev); - enable_irq(dev->irq); -} -#endif - -/* Init RDC MAC */ -int r6040_up(struct net_device *dev) -{ - struct r6040_private *lp = netdev_priv(dev); - void __iomem *ioaddr = lp->base; - int rc; - - dbg(DBG_INIT, "ENTER\n"); - - /* Initialise and alloc RX/TX buffers */ - r6040_init_txbufs(dev); - if ((rc=r6040_alloc_rxbufs(dev))) - return rc; - - /* Read the PHY ID */ - lp->switch_sig = phy_read(ioaddr, 0, 2); - - if (lp->switch_sig == ICPLUS_PHY_ID) { - phy_write(ioaddr, 29, 31, 0x175C); /* Enable registers */ - lp->phy_mode = 0x8000; - } else { - /* PHY Mode Check */ - phy_write(ioaddr, lp->phy_addr, 4, PHY_CAP); - phy_write(ioaddr, lp->phy_addr, 0, PHY_MODE); - - if (PHY_MODE == 0x3100) - lp->phy_mode = phy_mode_chk(dev); - else - lp->phy_mode = (PHY_MODE & 0x0100) ? 0x8000:0x0; - } - -/* configure duplex mode */ - lp->mcr0 |= lp->phy_mode; - - /* improve performance (by RDC guys) */ - phy_write(ioaddr, 30, 17, (phy_read(ioaddr, 30, 17) | 0x4000)); - phy_write(ioaddr, 30, 17, ~((~phy_read(ioaddr, 30, 17)) | 0x2000)); - phy_write(ioaddr, 0, 19, 0x0000); - phy_write(ioaddr, 0, 30, 0x01F0); - - /* Reset MAC and init all registers */ - r6040_init_mac_regs(lp); - - return 0; -} - -/* - A periodic timer routine - Polling PHY Chip Link Status -*/ -void r6040_timer(unsigned long data) -{ - struct net_device *dev = (struct net_device *)data; - struct r6040_private *lp = netdev_priv(dev); - void __iomem *ioaddr = lp->base; - u16 phy_mode; - - /* Polling PHY Chip Status */ - if (PHY_MODE == 0x3100) - phy_mode = phy_mode_chk(dev); - else - phy_mode = (PHY_MODE & 0x0100) ? 0x8000:0x0; - - if (phy_mode != lp->phy_mode) { - lp->phy_mode = phy_mode; - lp->mcr0 = (lp->mcr0 & 0x7fff) | phy_mode; - iowrite16(lp->mcr0, ioaddr); - printk(KERN_INFO "Link Change x%x \n", ioread16(ioaddr)); - } - - /* Timer active again */ - mod_timer(&lp->timer, jiffies + round_jiffies(HZ)); -} - -int r6040_open(struct net_device *dev) -{ - struct r6040_private *lp = netdev_priv(dev); - int ret; - - dbg(DBG_OPEN, "ENTER\n"); - /* Request IRQ and Register interrupt handler */ - ret = request_irq(dev->irq, &r6040_interrupt, - IRQF_SHARED, dev->name, dev); - if (ret) - return ret; - - dbg(DBG_OPEN, "got irq %d\n", dev->irq); - - /* Allocate Descriptor memory */ - lp->rx_ring = - pci_alloc_consistent(lp->pdev, RX_DESC_SIZE, &lp->rx_ring_dma); - if (!lp->rx_ring) - return -ENOMEM; - - dbg(DBG_OPEN, "allocated rx ring\n"); - - lp->tx_ring = - pci_alloc_consistent(lp->pdev, TX_DESC_SIZE, &lp->tx_ring_dma); - if (!lp->tx_ring) { - pci_free_consistent(lp->pdev, RX_DESC_SIZE, lp->rx_ring, - lp->rx_ring_dma); - return -ENOMEM; - } - - dbg(DBG_OPEN, "allocated tx ring\n"); - - if ((ret=r6040_up(dev))) { - pci_free_consistent(lp->pdev, TX_DESC_SIZE, lp->tx_ring, - lp->tx_ring_dma); - pci_free_consistent(lp->pdev, RX_DESC_SIZE, lp->rx_ring, - lp->rx_ring_dma); - return ret; - } - - napi_enable(&lp->napi); - netif_start_queue(dev); - - /* set and active a timer process */ - setup_timer(&lp->timer, r6040_timer, (unsigned long) dev); - if (lp->switch_sig != ICPLUS_PHY_ID) - mod_timer(&lp->timer, jiffies + HZ); - return 0; -} - -int r6040_start_xmit(struct sk_buff *skb, struct net_device *dev) -{ - struct r6040_private *lp = netdev_priv(dev); - struct r6040_descriptor *descptr; - void __iomem *ioaddr = lp->base; - unsigned long flags; - int ret = NETDEV_TX_OK; - - /* Critical Section */ - spin_lock_irqsave(&lp->lock, flags); - - /* TX resource check */ - if (!lp->tx_free_desc) { - spin_unlock_irqrestore(&lp->lock, flags); - netif_stop_queue(dev); - printk(KERN_ERR DRV_NAME ": no tx descriptor\n"); - ret = NETDEV_TX_BUSY; - return ret; - } - - /* Statistic Counter */ - dev->stats.tx_packets++; - dev->stats.tx_bytes += skb->len; - /* Set TX descriptor & Transmit it */ - lp->tx_free_desc--; - descptr = lp->tx_insert_ptr; - if (skb->len < MISR) - descptr->len = MISR; - else - descptr->len = skb->len; - - descptr->skb_ptr = skb; - descptr->buf = cpu_to_le32(pci_map_single(lp->pdev, - skb->data, skb->len, PCI_DMA_TODEVICE)); - - dbg(DBG_TX_DESCR, "desc @ %p: len x%x buf %08x skb->data %p skb->len x%x jiffies %lu\n", - descptr, descptr->len, descptr->buf, skb->data, skb->len, jiffies); - - { - char obuf[2*32+1]; - dbg(DBG_TX_DATA, "tx len x%x: %s\n", - descptr->len, hex2str(skb->data, obuf, sizeof(obuf)/2, '\0')); - } - - descptr->status = 0x8000; - /* Trigger the MAC to check the TX descriptor */ - iowrite16(0x01, ioaddr + MTPR); - lp->tx_insert_ptr = descptr->vndescp; - - /* If no tx resource, stop */ - if (!lp->tx_free_desc) - netif_stop_queue(dev); - - dev->trans_start = jiffies; - spin_unlock_irqrestore(&lp->lock, flags); - return ret; -} - -/*! set MAC addresses and promiscous mode */ -void r6040_multicast_list(struct net_device *dev) -{ - struct r6040_private *lp = netdev_priv(dev); - void __iomem *ioaddr = lp->base; - u16 *adrp; - u16 reg; - unsigned long flags; - struct dev_mc_list *dmi = dev->mc_list; - int i; - char obuf[3*ETH_ALEN] __attribute__ ((unused)); - - /* MAC Address */ - adrp = (u16 *)dev->dev_addr; - iowrite16(adrp[0], ioaddr + MID_0L); - iowrite16(adrp[1], ioaddr + MID_0M); - iowrite16(adrp[2], ioaddr + MID_0H); - - dbg(DBG_MAC_ADDR, "%s: set MAC addr %s\n", - dev->name, hex2str(dev->dev_addr, obuf, ETH_ALEN, ':')); - - /* Promiscous Mode */ - spin_lock_irqsave(&lp->lock, flags); - - /* Clear AMCP & PROM bits */ - reg = ioread16(ioaddr) & ~0x0120; - if (dev->flags & IFF_PROMISC) { - reg |= 0x0020; - lp->mcr0 |= 0x0020; - } - /* Too many multicast addresses - * accept all traffic */ - else if ((dev->mc_count > MCAST_MAX) - || (dev->flags & IFF_ALLMULTI)) - reg |= 0x0020; - - iowrite16(reg, ioaddr); - spin_unlock_irqrestore(&lp->lock, flags); - - /* Build the hash table */ - if (dev->mc_count > MCAST_MAX) { - u16 hash_table[4]; - u32 crc; - - for (i = 0; i < 4; i++) - hash_table[i] = 0; - - for (i = 0; i < dev->mc_count; i++) { - char *addrs = dmi->dmi_addr; - - dmi = dmi->next; - - if (!(*addrs & 1)) - continue; - - crc = ether_crc_le(6, addrs); - crc >>= 26; - hash_table[crc >> 4] |= 1 << (15 - (crc & 0xf)); - } - /* Write the index of the hash table */ - for (i = 0; i < 4; i++) - iowrite16(hash_table[i] << 14, ioaddr + MCR1); - /* Fill the MAC hash tables with their values */ - iowrite16(hash_table[0], ioaddr + MAR0); - iowrite16(hash_table[1], ioaddr + MAR1); - iowrite16(hash_table[2], ioaddr + MAR2); - iowrite16(hash_table[3], ioaddr + MAR3); - } - /* Multicast Address 1~4 case */ - for (i = 0, dmi; (i < dev->mc_count) && (i < MCAST_MAX); i++) { - adrp = (u16 *)dmi->dmi_addr; - iowrite16(adrp[0], ioaddr + MID_1L + 8*i); - iowrite16(adrp[1], ioaddr + MID_1M + 8*i); - iowrite16(adrp[2], ioaddr + MID_1H + 8*i); - dmi = dmi->next; - } - for (i = dev->mc_count; i < MCAST_MAX; i++) { - iowrite16(0xffff, ioaddr + MID_0L + 8*i); - iowrite16(0xffff, ioaddr + MID_0M + 8*i); - iowrite16(0xffff, ioaddr + MID_0H + 8*i); - } -} - -STATIC void netdev_get_drvinfo(struct net_device *dev, - struct ethtool_drvinfo *info) -{ - struct r6040_private *rp = netdev_priv(dev); - - strcpy(info->driver, DRV_NAME); - strcpy(info->version, DRV_VERSION); - strcpy(info->bus_info, pci_name(rp->pdev)); -} - -STATIC int netdev_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) -{ - struct r6040_private *rp = netdev_priv(dev); - int rc; - - spin_lock_irq(&rp->lock); - rc = mii_ethtool_gset(&rp->mii_if, cmd); - spin_unlock_irq(&rp->lock); - - return rc; -} - -STATIC int netdev_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) -{ - struct r6040_private *rp = netdev_priv(dev); - int rc; - - spin_lock_irq(&rp->lock); - rc = mii_ethtool_sset(&rp->mii_if, cmd); - spin_unlock_irq(&rp->lock); - r6040_set_carrier(&rp->mii_if); - - return rc; -} - -STATIC u32 netdev_get_link(struct net_device *dev) -{ - struct r6040_private *rp = netdev_priv(dev); - - return mii_link_ok(&rp->mii_if); -} - -static struct ethtool_ops netdev_ethtool_ops = { - .get_drvinfo = netdev_get_drvinfo, - .get_settings = netdev_get_settings, - .set_settings = netdev_set_settings, - .get_link = netdev_get_link, -}; - -int __devinit r6040_init_one(struct pci_dev *pdev, - const struct pci_device_id *ent) -{ - struct net_device *dev, *parent_dev; - struct r6040_private *lp; - void __iomem *ioaddr; - int err, io_size = R6040_IO_SIZE; - static int card_idx = -1; - long pioaddr; - - printk(KERN_INFO "%s\n", version); - printk(KERN_INFO DRV_NAME ": debug %x\n", debug); - - err = pci_enable_device(pdev); - if (err) - return err; - - /* this should always be supported */ - if (pci_set_dma_mask(pdev, DMA_32BIT_MASK)) { - printk(KERN_ERR DRV_NAME "32-bit PCI DMA addresses" - "not supported by the card\n"); - return -ENODEV; - } - if (pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK)) { - printk(KERN_ERR DRV_NAME "32-bit PCI DMA addresses" - "not supported by the card\n"); - return -ENODEV; - } - - /* IO Size check */ - if (pci_resource_len(pdev, 0) < io_size) { - printk(KERN_ERR "Insufficient PCI resources, aborting\n"); - return -EIO; - } - - pioaddr = pci_resource_start(pdev, 0); /* IO map base address */ - pci_set_master(pdev); - - dev = alloc_etherdev(sizeof(struct r6040_private)); - if (!dev) { - printk(KERN_ERR "Failed to allocate etherdev\n"); - return -ENOMEM; - } - SET_NETDEV_DEV(dev, &pdev->dev); - lp = netdev_priv(dev); - - if (pci_request_regions(pdev, DRV_NAME)) { - printk(KERN_ERR DRV_NAME ": Failed to request PCI regions\n"); - err = -ENODEV; - goto err_out_disable; - } - - ioaddr = pci_iomap(pdev, 0, io_size); - if (!ioaddr) { - printk(KERN_ERR "ioremap failed for device %s\n", - pci_name(pdev)); - return -EIO; - } - - /* Init system & device */ - lp->base = ioaddr; - dev->irq = pdev->irq; - - spin_lock_init(&lp->lock); - pci_set_drvdata(pdev, dev); - - card_idx++; - - /* Link new device into r6040_root_dev */ - lp->pdev = pdev; - - lp->dev = dev; - - /* Init RDC private data */ - lp->mcr0 = 0x1002; - lp->phy_addr = phy_table[card_idx]; - lp->switch_sig = 0; - - /* The RDC-specific entries in the device structure. */ - dev->open = &r6040_open; - dev->hard_start_xmit = &r6040_start_xmit; - dev->stop = &r6040_close; - dev->get_stats = r6040_get_stats; - dev->set_multicast_list = &r6040_multicast_list; - dev->do_ioctl = &r6040_ioctl; - dev->ethtool_ops = &netdev_ethtool_ops; - dev->tx_timeout = &r6040_tx_timeout; - dev->watchdog_timeo = TX_TIMEOUT; - - /* - You must specify a netdevice with a "parent=" parameter, whose address - is copied, or an array of bytes comprising a literal address; otherwise - the (default) address of the Sitecom WL-153 bootloader is used. - */ - memcpy(dev->dev_addr, mac_base, ETH_ALEN); - if (parent) { - parent_dev = __dev_get_by_name(&init_net, parent); - if (parent_dev) - memcpy(dev->dev_addr, parent_dev->dev_addr, ETH_ALEN); - } - dev->dev_addr[ETH_ALEN-1] += card_idx ^ reverse; /* + 0 or 1 */ - -#ifdef CONFIG_NET_POLL_CONTROLLER - dev->poll_controller = r6040_poll_controller; -#endif - netif_napi_add(dev, &lp->napi, r6040_poll, 64); - lp->mii_if.dev = dev; - lp->mii_if.mdio_read = mdio_read; - lp->mii_if.mdio_write = mdio_write; - lp->mii_if.phy_id = lp->phy_addr; - lp->mii_if.phy_id_mask = 0x1f; - lp->mii_if.reg_num_mask = 0x1f; - - if (reverse && ((card_idx & 1) == 0) && (dev_alloc_name(dev, dev->name) - >= 0)) - for (err = strlen(dev->name); err; err--) { - if (dev->name[err - 1]++ != '9') - break; - dev->name[err - 1] = '0'; - } - - /* Register net device. After this dev->name assign */ - err = register_netdev(dev); - if (err) { - printk(KERN_ERR DRV_NAME ": Failed to register net device\n"); - goto err_out_res; - } - - dbg(DBG_INIT, "%s successfully registered\n", dev->name); - return 0; - -err_out_res: - pci_release_regions(pdev); -err_out_disable: - pci_disable_device(pdev); - pci_set_drvdata(pdev, NULL); - free_netdev(dev); - - return err; -} - -void __devexit r6040_remove_one(struct pci_dev *pdev) -{ - struct net_device *dev = pci_get_drvdata(pdev); - - unregister_netdev(dev); - pci_release_regions(pdev); - free_netdev(dev); - pci_disable_device(pdev); - pci_set_drvdata(pdev, NULL); -} - - -static struct pci_device_id r6040_pci_tbl[] = { - { PCI_DEVICE(PCI_VENDOR_ID_RDC, 0x6040) }, - { 0 } -}; -MODULE_DEVICE_TABLE(pci, r6040_pci_tbl); - -static struct pci_driver r6040_driver = { - .name = DRV_NAME, - .id_table = r6040_pci_tbl, - .probe = r6040_init_one, - .remove = __devexit_p(r6040_remove_one), -}; - - -static int __init r6040_init(void) -{ - return pci_register_driver(&r6040_driver); -} - - -static void __exit r6040_cleanup(void) -{ - pci_unregister_driver(&r6040_driver); -} - -module_init(r6040_init); -module_exit(r6040_cleanup); |