X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fgianfar.c;h=962580f2c4abb2b5fbdcf21e35db626df2400946;hb=106427e65d2b6f3a519ab5d14a3586007e7e0f20;hp=b43b2b11aacd752318c279264ee0e4e1a9865419;hpb=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2;p=powerpc.git diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c index b43b2b11aa..962580f2c4 100644 --- a/drivers/net/gianfar.c +++ b/drivers/net/gianfar.c @@ -1,4 +1,4 @@ -/* +/* * drivers/net/gianfar.c * * Gianfar Ethernet Driver @@ -22,37 +22,31 @@ * B-V +1.62 * * Theory of operation - * This driver is designed for the Triple-speed Ethernet - * controllers on the Freescale 8540/8560 integrated processors, - * as well as the Fast Ethernet Controller on the 8540. - * + * This driver is designed for the non-CPM ethernet controllers + * on the 85xx and 83xx family of integrated processors + * * The driver is initialized through platform_device. Structures which * define the configuration needed by the board are defined in a * board structure in arch/ppc/platforms (though I do not * discount the possibility that other architectures could one - * day be supported. One assumption the driver currently makes - * is that the PHY is configured in such a way to advertise all - * capabilities. This is a sensible default, and on certain - * PHYs, changing this default encounters substantial errata - * issues. Future versions may remove this requirement, but for - * now, it is best for the firmware to ensure this is the case. + * day be supported. * * The Gianfar Ethernet Controller uses a ring of buffer * descriptors. The beginning is indicated by a register - * pointing to the physical address of the start of the ring. - * The end is determined by a "wrap" bit being set in the + * pointing to the physical address of the start of the ring. + * The end is determined by a "wrap" bit being set in the * last descriptor of the ring. * * When a packet is received, the RXF bit in the - * IEVENT register is set, triggering an interrupt when the + * IEVENT register is set, triggering an interrupt when the * corresponding bit in the IMASK register is also set (if * interrupt coalescing is active, then the interrupt may not * happen immediately, but will wait until either a set number - * of frames or amount of time have passed.). In NAPI, the + * of frames or amount of time have passed). In NAPI, the * interrupt handler will signal there is work to be done, and * exit. Without NAPI, the packet(s) will be handled * immediately. Both methods will start at the last known empty - * descriptor, and process every subsequent descriptor until there + * descriptor, and process every subsequent descriptor until there * are none left with data (NAPI will stop after a set number of * packets to give time to other tasks, but will eventually * process all the packets). The data arrives inside a @@ -76,6 +70,7 @@ #include #include #include +#include #include #include #include @@ -83,9 +78,13 @@ #include #include #include +#include #include #include -#include +#include +#include +#include +#include #include #include @@ -94,9 +93,11 @@ #include #include #include +#include +#include #include "gianfar.h" -#include "gianfar_phy.h" +#include "gianfar_mii.h" #define TX_TIMEOUT (1*HZ) #define SKB_ALLOC_TIMEOUT 1000000 @@ -110,9 +111,8 @@ #endif const char gfar_driver_name[] = "Gianfar Ethernet"; -const char gfar_driver_version[] = "1.1"; +const char gfar_driver_version[] = "1.2"; -int startup_gfar(struct net_device *dev); static int gfar_enet_open(struct net_device *dev); static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev); static void gfar_timeout(struct net_device *dev); @@ -123,25 +123,23 @@ static int gfar_set_mac_address(struct net_device *dev); static int gfar_change_mtu(struct net_device *dev, int new_mtu); static irqreturn_t gfar_error(int irq, void *dev_id, struct pt_regs *regs); static irqreturn_t gfar_transmit(int irq, void *dev_id, struct pt_regs *regs); -irqreturn_t gfar_receive(int irq, void *dev_id, struct pt_regs *regs); static irqreturn_t gfar_interrupt(int irq, void *dev_id, struct pt_regs *regs); -static irqreturn_t phy_interrupt(int irq, void *dev_id, struct pt_regs *regs); -static void gfar_phy_change(void *data); -static void gfar_phy_timer(unsigned long data); static void adjust_link(struct net_device *dev); static void init_registers(struct net_device *dev); static int init_phy(struct net_device *dev); static int gfar_probe(struct device *device); static int gfar_remove(struct device *device); -void free_skb_resources(struct gfar_private *priv); +static void free_skb_resources(struct gfar_private *priv); static void gfar_set_multi(struct net_device *dev); static void gfar_set_hash_for_addr(struct net_device *dev, u8 *addr); #ifdef CONFIG_GFAR_NAPI static int gfar_poll(struct net_device *dev, int *budget); #endif -static int gfar_clean_rx_ring(struct net_device *dev, int rx_work_limit); +int gfar_clean_rx_ring(struct net_device *dev, int rx_work_limit); static int gfar_process_frame(struct net_device *dev, struct sk_buff *skb, int length); -static void gfar_phy_startup_timer(unsigned long data); +static void gfar_vlan_rx_register(struct net_device *netdev, + struct vlan_group *grp); +static void gfar_vlan_rx_kill_vid(struct net_device *netdev, uint16_t vid); extern struct ethtool_ops gfar_ethtool_ops; @@ -149,6 +147,16 @@ MODULE_AUTHOR("Freescale Semiconductor, Inc"); MODULE_DESCRIPTION("Gianfar Ethernet Driver"); MODULE_LICENSE("GPL"); +int gfar_uses_fcb(struct gfar_private *priv) +{ + if (priv->vlan_enable || priv->rx_csum_enable) + return 1; + else + return 0; +} + +/* Set up the ethernet device structure, private data, + * and anything else we need before we start */ static int gfar_probe(struct device *device) { u32 tempval; @@ -159,11 +167,10 @@ static int gfar_probe(struct device *device) struct resource *r; int idx; int err = 0; - int dev_ethtool_ops = 0; einfo = (struct gianfar_platform_data *) pdev->dev.platform_data; - if (einfo == NULL) { + if (NULL == einfo) { printk(KERN_ERR "gfar %d: Missing additional data!\n", pdev->id); @@ -173,7 +180,7 @@ static int gfar_probe(struct device *device) /* Create an ethernet device instance */ dev = alloc_etherdev(sizeof (*priv)); - if (dev == NULL) + if (NULL == dev) return -ENOMEM; priv = netdev_priv(dev); @@ -195,20 +202,11 @@ static int gfar_probe(struct device *device) priv->regs = (struct gfar *) ioremap(r->start, sizeof (struct gfar)); - if (priv->regs == NULL) { + if (NULL == priv->regs) { err = -ENOMEM; goto regs_fail; } - /* Set the PHY base address */ - priv->phyregs = (struct gfar *) - ioremap(einfo->phy_reg_addr, sizeof (struct gfar)); - - if (priv->phyregs == NULL) { - err = -ENOMEM; - goto phy_regs_fail; - } - spin_lock_init(&priv->lock); dev_set_drvdata(device, dev); @@ -265,15 +263,69 @@ static int gfar_probe(struct device *device) dev->mtu = 1500; dev->set_multicast_list = gfar_set_multi; - /* Index into the array of possible ethtool - * ops to catch all 4 possibilities */ - if((priv->einfo->device_flags & FSL_GIANFAR_DEV_HAS_RMON) == 0) - dev_ethtool_ops += 1; + dev->ethtool_ops = &gfar_ethtool_ops; + + if (priv->einfo->device_flags & FSL_GIANFAR_DEV_HAS_CSUM) { + priv->rx_csum_enable = 1; + dev->features |= NETIF_F_IP_CSUM; + } else + priv->rx_csum_enable = 0; + + priv->vlgrp = NULL; + + if (priv->einfo->device_flags & FSL_GIANFAR_DEV_HAS_VLAN) { + dev->vlan_rx_register = gfar_vlan_rx_register; + dev->vlan_rx_kill_vid = gfar_vlan_rx_kill_vid; + + dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX; + + priv->vlan_enable = 1; + } + + if (priv->einfo->device_flags & FSL_GIANFAR_DEV_HAS_EXTENDED_HASH) { + priv->extended_hash = 1; + priv->hash_width = 9; + + priv->hash_regs[0] = &priv->regs->igaddr0; + priv->hash_regs[1] = &priv->regs->igaddr1; + priv->hash_regs[2] = &priv->regs->igaddr2; + priv->hash_regs[3] = &priv->regs->igaddr3; + priv->hash_regs[4] = &priv->regs->igaddr4; + priv->hash_regs[5] = &priv->regs->igaddr5; + priv->hash_regs[6] = &priv->regs->igaddr6; + priv->hash_regs[7] = &priv->regs->igaddr7; + priv->hash_regs[8] = &priv->regs->gaddr0; + priv->hash_regs[9] = &priv->regs->gaddr1; + priv->hash_regs[10] = &priv->regs->gaddr2; + priv->hash_regs[11] = &priv->regs->gaddr3; + priv->hash_regs[12] = &priv->regs->gaddr4; + priv->hash_regs[13] = &priv->regs->gaddr5; + priv->hash_regs[14] = &priv->regs->gaddr6; + priv->hash_regs[15] = &priv->regs->gaddr7; + + } else { + priv->extended_hash = 0; + priv->hash_width = 8; + + priv->hash_regs[0] = &priv->regs->gaddr0; + priv->hash_regs[1] = &priv->regs->gaddr1; + priv->hash_regs[2] = &priv->regs->gaddr2; + priv->hash_regs[3] = &priv->regs->gaddr3; + priv->hash_regs[4] = &priv->regs->gaddr4; + priv->hash_regs[5] = &priv->regs->gaddr5; + priv->hash_regs[6] = &priv->regs->gaddr6; + priv->hash_regs[7] = &priv->regs->gaddr7; + } - if((priv->einfo->device_flags & FSL_GIANFAR_DEV_HAS_COALESCE) == 0) - dev_ethtool_ops += 2; + if (priv->einfo->device_flags & FSL_GIANFAR_DEV_HAS_PADDING) + priv->padding = DEFAULT_PADDING; + else + priv->padding = 0; - dev->ethtool_ops = gfar_op_array[dev_ethtool_ops]; + dev->hard_header_len += priv->padding; + + if (dev->features & NETIF_F_IP_CSUM) + dev->hard_header_len += GMAC_FCB_LEN; priv->rx_buffer_size = DEFAULT_RX_BUFFER_SIZE; #ifdef CONFIG_GFAR_BUFSTASH @@ -289,6 +341,9 @@ static int gfar_probe(struct device *device) priv->rxcount = DEFAULT_RXCOUNT; priv->rxtime = DEFAULT_RXTIME; + /* Enable most messages by default */ + priv->msg_enable = (NETIF_MSG_IFUP << 1 ) - 1; + err = register_netdev(dev); if (err) { @@ -317,12 +372,10 @@ static int gfar_probe(struct device *device) return 0; register_fail: - iounmap((void *) priv->phyregs); -phy_regs_fail: iounmap((void *) priv->regs); regs_fail: free_netdev(dev); - return -ENOMEM; + return err; } static int gfar_remove(struct device *device) @@ -333,106 +386,41 @@ static int gfar_remove(struct device *device) dev_set_drvdata(device, NULL); iounmap((void *) priv->regs); - iounmap((void *) priv->phyregs); free_netdev(dev); return 0; } -/* Configure the PHY for dev. - * returns 0 if success. -1 if failure +/* Initializes driver's PHY state, and attaches to the PHY. + * Returns 0 on success. */ static int init_phy(struct net_device *dev) { struct gfar_private *priv = netdev_priv(dev); - struct phy_info *curphy; - unsigned int timeout = PHY_INIT_TIMEOUT; - struct gfar *phyregs = priv->phyregs; - struct gfar_mii_info *mii_info; - int err; + uint gigabit_support = + priv->einfo->device_flags & FSL_GIANFAR_DEV_HAS_GIGABIT ? + SUPPORTED_1000baseT_Full : 0; + struct phy_device *phydev; priv->oldlink = 0; priv->oldspeed = 0; priv->oldduplex = -1; - mii_info = kmalloc(sizeof(struct gfar_mii_info), - GFP_KERNEL); - - if(NULL == mii_info) { - printk(KERN_ERR "%s: Could not allocate mii_info\n", - dev->name); - return -ENOMEM; - } - - mii_info->speed = SPEED_1000; - mii_info->duplex = DUPLEX_FULL; - mii_info->pause = 0; - mii_info->link = 1; - - mii_info->advertising = (ADVERTISED_10baseT_Half | - ADVERTISED_10baseT_Full | - ADVERTISED_100baseT_Half | - ADVERTISED_100baseT_Full | - ADVERTISED_1000baseT_Full); - mii_info->autoneg = 1; - - spin_lock_init(&mii_info->mdio_lock); - - mii_info->mii_id = priv->einfo->phyid; - - mii_info->dev = dev; - - mii_info->mdio_read = &read_phy_reg; - mii_info->mdio_write = &write_phy_reg; + phydev = phy_connect(dev, priv->einfo->bus_id, &adjust_link, 0); - priv->mii_info = mii_info; - - /* Reset the management interface */ - gfar_write(&phyregs->miimcfg, MIIMCFG_RESET); - - /* Setup the MII Mgmt clock speed */ - gfar_write(&phyregs->miimcfg, MIIMCFG_INIT_VALUE); - - /* Wait until the bus is free */ - while ((gfar_read(&phyregs->miimind) & MIIMIND_BUSY) && - timeout--) - cpu_relax(); - - if(timeout <= 0) { - printk(KERN_ERR "%s: The MII Bus is stuck!\n", - dev->name); - err = -1; - goto bus_fail; - } - - /* get info for this PHY */ - curphy = get_phy_info(priv->mii_info); - - if (curphy == NULL) { - printk(KERN_ERR "%s: No PHY found\n", dev->name); - err = -1; - goto no_phy; + if (IS_ERR(phydev)) { + printk(KERN_ERR "%s: Could not attach to PHY\n", dev->name); + return PTR_ERR(phydev); } - mii_info->phyinfo = curphy; + /* Remove any features not supported by the controller */ + phydev->supported &= (GFAR_SUPPORTED | gigabit_support); + phydev->advertising = phydev->supported; - /* Run the commands which initialize the PHY */ - if(curphy->init) { - err = curphy->init(priv->mii_info); - - if (err) - goto phy_init_fail; - } + priv->phydev = phydev; return 0; - -phy_init_fail: -no_phy: -bus_fail: - kfree(mii_info); - - return err; } static void init_registers(struct net_device *dev) @@ -446,14 +434,14 @@ static void init_registers(struct net_device *dev) gfar_write(&priv->regs->imask, IMASK_INIT_CLEAR); /* Init hash registers to zero */ - gfar_write(&priv->regs->iaddr0, 0); - gfar_write(&priv->regs->iaddr1, 0); - gfar_write(&priv->regs->iaddr2, 0); - gfar_write(&priv->regs->iaddr3, 0); - gfar_write(&priv->regs->iaddr4, 0); - gfar_write(&priv->regs->iaddr5, 0); - gfar_write(&priv->regs->iaddr6, 0); - gfar_write(&priv->regs->iaddr7, 0); + gfar_write(&priv->regs->igaddr0, 0); + gfar_write(&priv->regs->igaddr1, 0); + gfar_write(&priv->regs->igaddr2, 0); + gfar_write(&priv->regs->igaddr3, 0); + gfar_write(&priv->regs->igaddr4, 0); + gfar_write(&priv->regs->igaddr5, 0); + gfar_write(&priv->regs->igaddr6, 0); + gfar_write(&priv->regs->igaddr7, 0); gfar_write(&priv->regs->gaddr0, 0); gfar_write(&priv->regs->gaddr1, 0); @@ -464,9 +452,6 @@ static void init_registers(struct net_device *dev) gfar_write(&priv->regs->gaddr6, 0); gfar_write(&priv->regs->gaddr7, 0); - /* Zero out rctrl */ - gfar_write(&priv->regs->rctrl, 0x00000000); - /* Zero out the rmon mib registers if it has them */ if (priv->einfo->device_flags & FSL_GIANFAR_DEV_HAS_RMON) { memset((void *) &(priv->regs->rmon), 0, @@ -497,20 +482,14 @@ static void init_registers(struct net_device *dev) gfar_write(&priv->regs->tbipa, TBIPA_VALUE); } -void stop_gfar(struct net_device *dev) + +/* Halt the receive and transmit queues */ +void gfar_halt(struct net_device *dev) { struct gfar_private *priv = netdev_priv(dev); struct gfar *regs = priv->regs; - unsigned long flags; u32 tempval; - /* Lock it down */ - spin_lock_irqsave(&priv->lock, flags); - - /* Tell the kernel the link is down */ - priv->mii_info->link = 0; - adjust_link(dev); - /* Mask all interrupts */ gfar_write(®s->imask, IMASK_INIT_CLEAR); @@ -533,15 +512,20 @@ void stop_gfar(struct net_device *dev) tempval = gfar_read(®s->maccfg1); tempval &= ~(MACCFG1_RX_EN | MACCFG1_TX_EN); gfar_write(®s->maccfg1, tempval); +} - if (priv->einfo->board_flags & FSL_GIANFAR_BRD_HAS_PHY_INTR) { - /* Clear any pending interrupts */ - mii_clear_phy_interrupt(priv->mii_info); +void stop_gfar(struct net_device *dev) +{ + struct gfar_private *priv = netdev_priv(dev); + struct gfar *regs = priv->regs; + unsigned long flags; - /* Disable PHY Interrupts */ - mii_configure_phy_interrupt(priv->mii_info, - MII_INTERRUPT_DISABLED); - } + phy_stop(priv->phydev); + + /* Lock it down */ + spin_lock_irqsave(&priv->lock, flags); + + gfar_halt(dev); spin_unlock_irqrestore(&priv->lock, flags); @@ -551,13 +535,7 @@ void stop_gfar(struct net_device *dev) free_irq(priv->interruptTransmit, dev); free_irq(priv->interruptReceive, dev); } else { - free_irq(priv->interruptTransmit, dev); - } - - if (priv->einfo->board_flags & FSL_GIANFAR_BRD_HAS_PHY_INTR) { - free_irq(priv->einfo->interruptPHY, dev); - } else { - del_timer_sync(&priv->phy_info_timer); + free_irq(priv->interruptTransmit, dev); } free_skb_resources(priv); @@ -566,12 +544,12 @@ void stop_gfar(struct net_device *dev) sizeof(struct txbd8)*priv->tx_ring_size + sizeof(struct rxbd8)*priv->rx_ring_size, priv->tx_bd_base, - gfar_read(®s->tbase)); + gfar_read(®s->tbase0)); } /* If there are any tx skbs or rx skbs still around, free them. * Then free tx_skbuff and rx_skbuff */ -void free_skb_resources(struct gfar_private *priv) +static void free_skb_resources(struct gfar_private *priv) { struct rxbd8 *rxbdp; struct txbd8 *txbdp; @@ -620,6 +598,34 @@ void free_skb_resources(struct gfar_private *priv) } } +void gfar_start(struct net_device *dev) +{ + struct gfar_private *priv = netdev_priv(dev); + struct gfar *regs = priv->regs; + u32 tempval; + + /* Enable Rx and Tx in MACCFG1 */ + tempval = gfar_read(®s->maccfg1); + tempval |= (MACCFG1_RX_EN | MACCFG1_TX_EN); + gfar_write(®s->maccfg1, tempval); + + /* Initialize DMACTRL to have WWR and WOP */ + tempval = gfar_read(&priv->regs->dmactrl); + tempval |= DMACTRL_INIT_SETTINGS; + gfar_write(&priv->regs->dmactrl, tempval); + + /* Clear THLT, so that the DMA starts polling now */ + gfar_write(®s->tstat, TSTAT_CLEAR_THALT); + + /* Make sure we aren't stopped */ + tempval = gfar_read(&priv->regs->dmactrl); + tempval &= ~(DMACTRL_GRS | DMACTRL_GTS); + gfar_write(&priv->regs->dmactrl, tempval); + + /* Unmask the interrupts we look for */ + gfar_write(®s->imask, IMASK_DEFAULT); +} + /* Bring the controller up and running */ int startup_gfar(struct net_device *dev) { @@ -630,42 +636,44 @@ int startup_gfar(struct net_device *dev) int i; struct gfar_private *priv = netdev_priv(dev); struct gfar *regs = priv->regs; - u32 tempval; int err = 0; + u32 rctrl = 0; gfar_write(®s->imask, IMASK_INIT_CLEAR); /* Allocate memory for the buffer descriptors */ - vaddr = (unsigned long) dma_alloc_coherent(NULL, + vaddr = (unsigned long) dma_alloc_coherent(NULL, sizeof (struct txbd8) * priv->tx_ring_size + sizeof (struct rxbd8) * priv->rx_ring_size, &addr, GFP_KERNEL); if (vaddr == 0) { - printk(KERN_ERR "%s: Could not allocate buffer descriptors!\n", - dev->name); + if (netif_msg_ifup(priv)) + printk(KERN_ERR "%s: Could not allocate buffer descriptors!\n", + dev->name); return -ENOMEM; } priv->tx_bd_base = (struct txbd8 *) vaddr; /* enet DMA only understands physical addresses */ - gfar_write(®s->tbase, addr); + gfar_write(®s->tbase0, addr); /* Start the rx descriptor ring where the tx ring leaves off */ addr = addr + sizeof (struct txbd8) * priv->tx_ring_size; vaddr = vaddr + sizeof (struct txbd8) * priv->tx_ring_size; priv->rx_bd_base = (struct rxbd8 *) vaddr; - gfar_write(®s->rbase, addr); + gfar_write(®s->rbase0, addr); /* Setup the skbuff rings */ priv->tx_skbuff = (struct sk_buff **) kmalloc(sizeof (struct sk_buff *) * priv->tx_ring_size, GFP_KERNEL); - if (priv->tx_skbuff == NULL) { - printk(KERN_ERR "%s: Could not allocate tx_skbuff\n", - dev->name); + if (NULL == priv->tx_skbuff) { + if (netif_msg_ifup(priv)) + printk(KERN_ERR "%s: Could not allocate tx_skbuff\n", + dev->name); err = -ENOMEM; goto tx_skb_fail; } @@ -677,9 +685,10 @@ int startup_gfar(struct net_device *dev) (struct sk_buff **) kmalloc(sizeof (struct sk_buff *) * priv->rx_ring_size, GFP_KERNEL); - if (priv->rx_skbuff == NULL) { - printk(KERN_ERR "%s: Could not allocate rx_skbuff\n", - dev->name); + if (NULL == priv->rx_skbuff) { + if (netif_msg_ifup(priv)) + printk(KERN_ERR "%s: Could not allocate rx_skbuff\n", + dev->name); err = -ENOMEM; goto rx_skb_fail; } @@ -726,12 +735,13 @@ int startup_gfar(struct net_device *dev) /* If the device has multiple interrupts, register for * them. Otherwise, only register for the one */ if (priv->einfo->device_flags & FSL_GIANFAR_DEV_HAS_MULTI_INTR) { - /* Install our interrupt handlers for Error, + /* Install our interrupt handlers for Error, * Transmit, and Receive */ if (request_irq(priv->interruptError, gfar_error, 0, "enet_error", dev) < 0) { - printk(KERN_ERR "%s: Can't get IRQ %d\n", - dev->name, priv->interruptError); + if (netif_msg_intr(priv)) + printk(KERN_ERR "%s: Can't get IRQ %d\n", + dev->name, priv->interruptError); err = -1; goto err_irq_fail; @@ -739,8 +749,9 @@ int startup_gfar(struct net_device *dev) if (request_irq(priv->interruptTransmit, gfar_transmit, 0, "enet_tx", dev) < 0) { - printk(KERN_ERR "%s: Can't get IRQ %d\n", - dev->name, priv->interruptTransmit); + if (netif_msg_intr(priv)) + printk(KERN_ERR "%s: Can't get IRQ %d\n", + dev->name, priv->interruptTransmit); err = -1; @@ -749,8 +760,9 @@ int startup_gfar(struct net_device *dev) if (request_irq(priv->interruptReceive, gfar_receive, 0, "enet_rx", dev) < 0) { - printk(KERN_ERR "%s: Can't get IRQ %d (receive0)\n", - dev->name, priv->interruptReceive); + if (netif_msg_intr(priv)) + printk(KERN_ERR "%s: Can't get IRQ %d (receive0)\n", + dev->name, priv->interruptReceive); err = -1; goto rx_irq_fail; @@ -758,21 +770,16 @@ int startup_gfar(struct net_device *dev) } else { if (request_irq(priv->interruptTransmit, gfar_interrupt, 0, "gfar_interrupt", dev) < 0) { - printk(KERN_ERR "%s: Can't get IRQ %d\n", - dev->name, priv->interruptError); + if (netif_msg_intr(priv)) + printk(KERN_ERR "%s: Can't get IRQ %d\n", + dev->name, priv->interruptError); err = -1; goto err_irq_fail; } } - /* Set up the PHY change work queue */ - INIT_WORK(&priv->tq, gfar_phy_change, dev); - - init_timer(&priv->phy_info_timer); - priv->phy_info_timer.function = &gfar_phy_startup_timer; - priv->phy_info_timer.data = (unsigned long) priv->mii_info; - mod_timer(&priv->phy_info_timer, jiffies + HZ); + phy_start(priv->phydev); /* Configure the coalescing support */ if (priv->txcoalescing) @@ -787,28 +794,22 @@ int startup_gfar(struct net_device *dev) else gfar_write(®s->rxic, 0); - init_waitqueue_head(&priv->rxcleanupq); + if (priv->rx_csum_enable) + rctrl |= RCTRL_CHECKSUMMING; - /* Enable Rx and Tx in MACCFG1 */ - tempval = gfar_read(®s->maccfg1); - tempval |= (MACCFG1_RX_EN | MACCFG1_TX_EN); - gfar_write(®s->maccfg1, tempval); + if (priv->extended_hash) + rctrl |= RCTRL_EXTHASH; - /* Initialize DMACTRL to have WWR and WOP */ - tempval = gfar_read(&priv->regs->dmactrl); - tempval |= DMACTRL_INIT_SETTINGS; - gfar_write(&priv->regs->dmactrl, tempval); + if (priv->vlan_enable) + rctrl |= RCTRL_VLAN; - /* Clear THLT, so that the DMA starts polling now */ - gfar_write(®s->tstat, TSTAT_CLEAR_THALT); + /* Init rctrl based on our settings */ + gfar_write(&priv->regs->rctrl, rctrl); - /* Make sure we aren't stopped */ - tempval = gfar_read(&priv->regs->dmactrl); - tempval &= ~(DMACTRL_GRS | DMACTRL_GTS); - gfar_write(&priv->regs->dmactrl, tempval); + if (dev->features & NETIF_F_IP_CSUM) + gfar_write(&priv->regs->tctrl, TCTRL_INIT_CSUM); - /* Unmask the interrupts we look for */ - gfar_write(®s->imask, IMASK_DEFAULT); + gfar_start(dev); return 0; @@ -824,12 +825,7 @@ tx_skb_fail: sizeof(struct txbd8)*priv->tx_ring_size + sizeof(struct rxbd8)*priv->rx_ring_size, priv->tx_bd_base, - gfar_read(®s->tbase)); - - if (priv->mii_info->phyinfo->close) - priv->mii_info->phyinfo->close(priv->mii_info); - - kfree(priv->mii_info); + gfar_read(®s->tbase0)); return err; } @@ -857,11 +853,62 @@ static int gfar_enet_open(struct net_device *dev) return err; } +static struct txfcb *gfar_add_fcb(struct sk_buff *skb, struct txbd8 *bdp) +{ + struct txfcb *fcb = (struct txfcb *)skb_push (skb, GMAC_FCB_LEN); + + memset(fcb, 0, GMAC_FCB_LEN); + + /* Flag the bd so the controller looks for the FCB */ + bdp->status |= TXBD_TOE; + + return fcb; +} + +static inline void gfar_tx_checksum(struct sk_buff *skb, struct txfcb *fcb) +{ + int len; + + /* If we're here, it's a IP packet with a TCP or UDP + * payload. We set it to checksum, using a pseudo-header + * we provide + */ + fcb->ip = 1; + fcb->tup = 1; + fcb->ctu = 1; + fcb->nph = 1; + + /* Notify the controller what the protocol is */ + if (skb->nh.iph->protocol == IPPROTO_UDP) + fcb->udp = 1; + + /* l3os is the distance between the start of the + * frame (skb->data) and the start of the IP hdr. + * l4os is the distance between the start of the + * l3 hdr and the l4 hdr */ + fcb->l3os = (u16)(skb->nh.raw - skb->data - GMAC_FCB_LEN); + fcb->l4os = (u16)(skb->h.raw - skb->nh.raw); + + len = skb->nh.iph->tot_len - fcb->l4os; + + /* Provide the pseudoheader csum */ + fcb->phcs = ~csum_tcpudp_magic(skb->nh.iph->saddr, + skb->nh.iph->daddr, len, + skb->nh.iph->protocol, 0); +} + +void gfar_tx_vlan(struct sk_buff *skb, struct txfcb *fcb) +{ + fcb->vln = 1; + fcb->vlctl = vlan_tx_tag_get(skb); +} + /* This is called by the kernel when a frame is ready for transmission. */ /* It is pointed to by the dev->hard_start_xmit function pointer */ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev) { struct gfar_private *priv = netdev_priv(dev); + struct txfcb *fcb = NULL; struct txbd8 *txbdp; /* Update transmit stats */ @@ -876,9 +923,24 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev) /* Clear all but the WRAP status flags */ txbdp->status &= TXBD_WRAP; + /* Set up checksumming */ + if ((dev->features & NETIF_F_IP_CSUM) + && (CHECKSUM_HW == skb->ip_summed)) { + fcb = gfar_add_fcb(skb, txbdp); + gfar_tx_checksum(skb, fcb); + } + + if (priv->vlan_enable && + unlikely(priv->vlgrp && vlan_tx_tag_present(skb))) { + if (NULL == fcb) + fcb = gfar_add_fcb(skb, txbdp); + + gfar_tx_vlan(skb, fcb); + } + /* Set buffer length and pointer */ txbdp->length = skb->len; - txbdp->bufPtr = dma_map_single(NULL, skb->data, + txbdp->bufPtr = dma_map_single(NULL, skb->data, skb->len, DMA_TO_DEVICE); /* Save the skb pointer so we can free it later */ @@ -930,11 +992,9 @@ static int gfar_close(struct net_device *dev) struct gfar_private *priv = netdev_priv(dev); stop_gfar(dev); - /* Shutdown the PHY */ - if (priv->mii_info->phyinfo->close) - priv->mii_info->phyinfo->close(priv->mii_info); - - kfree(priv->mii_info); + /* Disconnect from the PHY */ + phy_disconnect(priv->phydev); + priv->phydev = NULL; netif_stop_queue(dev); @@ -972,15 +1032,78 @@ int gfar_set_mac_address(struct net_device *dev) } +/* Enables and disables VLAN insertion/extraction */ +static void gfar_vlan_rx_register(struct net_device *dev, + struct vlan_group *grp) +{ + struct gfar_private *priv = netdev_priv(dev); + unsigned long flags; + u32 tempval; + + spin_lock_irqsave(&priv->lock, flags); + + priv->vlgrp = grp; + + if (grp) { + /* Enable VLAN tag insertion */ + tempval = gfar_read(&priv->regs->tctrl); + tempval |= TCTRL_VLINS; + + gfar_write(&priv->regs->tctrl, tempval); + + /* Enable VLAN tag extraction */ + tempval = gfar_read(&priv->regs->rctrl); + tempval |= RCTRL_VLEX; + gfar_write(&priv->regs->rctrl, tempval); + } else { + /* Disable VLAN tag insertion */ + tempval = gfar_read(&priv->regs->tctrl); + tempval &= ~TCTRL_VLINS; + gfar_write(&priv->regs->tctrl, tempval); + + /* Disable VLAN tag extraction */ + tempval = gfar_read(&priv->regs->rctrl); + tempval &= ~RCTRL_VLEX; + gfar_write(&priv->regs->rctrl, tempval); + } + + spin_unlock_irqrestore(&priv->lock, flags); +} + + +static void gfar_vlan_rx_kill_vid(struct net_device *dev, uint16_t vid) +{ + struct gfar_private *priv = netdev_priv(dev); + unsigned long flags; + + spin_lock_irqsave(&priv->lock, flags); + + if (priv->vlgrp) + priv->vlgrp->vlan_devices[vid] = NULL; + + spin_unlock_irqrestore(&priv->lock, flags); +} + + static int gfar_change_mtu(struct net_device *dev, int new_mtu) { int tempsize, tempval; struct gfar_private *priv = netdev_priv(dev); int oldsize = priv->rx_buffer_size; - int frame_size = new_mtu + 18; + int frame_size = new_mtu + ETH_HLEN; + + if (priv->vlan_enable) + frame_size += VLAN_ETH_HLEN; + + if (gfar_uses_fcb(priv)) + frame_size += GMAC_FCB_LEN; + + frame_size += priv->padding; if ((frame_size < 64) || (frame_size > JUMBO_FRAME_SIZE)) { - printk(KERN_ERR "%s: Invalid MTU setting\n", dev->name); + if (netif_msg_drv(priv)) + printk(KERN_ERR "%s: Invalid MTU setting\n", + dev->name); return -EINVAL; } @@ -1107,7 +1230,7 @@ struct sk_buff * gfar_new_skb(struct net_device *dev, struct rxbd8 *bdp) while ((!skb) && timeout--) skb = dev_alloc_skb(priv->rx_buffer_size + RXBUF_ALIGNMENT); - if (skb == NULL) + if (NULL == skb) return NULL; /* We need the data buffer to be aligned properly. We will reserve @@ -1120,7 +1243,7 @@ struct sk_buff * gfar_new_skb(struct net_device *dev, struct rxbd8 *bdp) skb->dev = dev; bdp->bufPtr = dma_map_single(NULL, skb->data, - priv->rx_buffer_size + RXBUF_ALIGNMENT, + priv->rx_buffer_size + RXBUF_ALIGNMENT, DMA_FROM_DEVICE); bdp->length = 0; @@ -1190,11 +1313,10 @@ irqreturn_t gfar_receive(int irq, void *dev_id, struct pt_regs *regs) __netif_rx_schedule(dev); } else { -#ifdef VERBOSE_GFAR_ERRORS - printk(KERN_DEBUG "%s: receive called twice (%x)[%x]\n", - dev->name, gfar_read(&priv->regs->ievent), - gfar_read(&priv->regs->imask)); -#endif + if (netif_msg_rx_err(priv)) + printk(KERN_DEBUG "%s: receive called twice (%x)[%x]\n", + dev->name, gfar_read(&priv->regs->ievent), + gfar_read(&priv->regs->imask)); } #else @@ -1209,15 +1331,43 @@ irqreturn_t gfar_receive(int irq, void *dev_id, struct pt_regs *regs) else gfar_write(&priv->regs->rxic, 0); - /* Just in case we need to wake the ring param changer */ - priv->rxclean = 1; - spin_unlock(&priv->lock); #endif return IRQ_HANDLED; } +static inline int gfar_rx_vlan(struct sk_buff *skb, + struct vlan_group *vlgrp, unsigned short vlctl) +{ +#ifdef CONFIG_GFAR_NAPI + return vlan_hwaccel_receive_skb(skb, vlgrp, vlctl); +#else + return vlan_hwaccel_rx(skb, vlgrp, vlctl); +#endif +} + +static inline void gfar_rx_checksum(struct sk_buff *skb, struct rxfcb *fcb) +{ + /* If valid headers were found, and valid sums + * were verified, then we tell the kernel that no + * checksumming is necessary. Otherwise, it is */ + if (fcb->cip && !fcb->eip && fcb->ctu && !fcb->etu) + skb->ip_summed = CHECKSUM_UNNECESSARY; + else + skb->ip_summed = CHECKSUM_NONE; +} + + +static inline struct rxfcb *gfar_get_fcb(struct sk_buff *skb) +{ + struct rxfcb *fcb = (struct rxfcb *)skb->data; + + /* Remove the FCB from the skb */ + skb_pull(skb, GMAC_FCB_LEN); + + return fcb; +} /* gfar_process_frame() -- handle one incoming packet if skb * isn't NULL. */ @@ -1225,35 +1375,51 @@ static int gfar_process_frame(struct net_device *dev, struct sk_buff *skb, int length) { struct gfar_private *priv = netdev_priv(dev); + struct rxfcb *fcb = NULL; - if (skb == NULL) { -#ifdef BRIEF_GFAR_ERRORS - printk(KERN_WARNING "%s: Missing skb!!.\n", - dev->name); -#endif + if (NULL == skb) { + if (netif_msg_rx_err(priv)) + printk(KERN_WARNING "%s: Missing skb!!.\n", dev->name); priv->stats.rx_dropped++; priv->extra_stats.rx_skbmissing++; } else { + int ret; + /* Prep the skb for the packet */ skb_put(skb, length); + /* Grab the FCB if there is one */ + if (gfar_uses_fcb(priv)) + fcb = gfar_get_fcb(skb); + + /* Remove the padded bytes, if there are any */ + if (priv->padding) + skb_pull(skb, priv->padding); + + if (priv->rx_csum_enable) + gfar_rx_checksum(skb, fcb); + /* Tell the skb what kind of packet this is */ skb->protocol = eth_type_trans(skb, dev); /* Send the packet up the stack */ - if (RECEIVE(skb) == NET_RX_DROP) { + if (unlikely(priv->vlgrp && fcb->vln)) + ret = gfar_rx_vlan(skb, priv->vlgrp, fcb->vlctl); + else + ret = RECEIVE(skb); + + if (NET_RX_DROP == ret) priv->extra_stats.kernel_dropped++; - } } return 0; } /* gfar_clean_rx_ring() -- Processes each frame in the rx ring - * until the budget/quota has been reached. Returns the number + * until the budget/quota has been reached. Returns the number * of frames handled */ -static int gfar_clean_rx_ring(struct net_device *dev, int rx_work_limit) +int gfar_clean_rx_ring(struct net_device *dev, int rx_work_limit) { struct rxbd8 *bdp; struct sk_buff *skb; @@ -1355,9 +1521,6 @@ static int gfar_poll(struct net_device *dev, int *budget) mk_ic_value(priv->rxcount, priv->rxtime)); else gfar_write(&priv->regs->rxic, 0); - - /* Signal to the ring size changer that it's safe to go */ - priv->rxclean = 1; } return (rx_work_limit < 0) ? 1 : 0; @@ -1393,10 +1556,8 @@ static irqreturn_t gfar_interrupt(int irq, void *dev_id, struct pt_regs *regs) if (events & IEVENT_CRL) priv->stats.tx_aborted_errors++; if (events & IEVENT_XFUN) { -#ifdef VERBOSE_GFAR_ERRORS - printk(KERN_WARNING "%s: tx underrun. dropped packet\n", - dev->name); -#endif + if (netif_msg_tx_err(priv)) + printk(KERN_WARNING "%s: tx underrun. dropped packet\n", dev->name); priv->stats.tx_dropped++; priv->extra_stats.tx_underrun++; @@ -1415,164 +1576,38 @@ static irqreturn_t gfar_interrupt(int irq, void *dev_id, struct pt_regs *regs) gfar_write(&priv->regs->rstat, RSTAT_CLEAR_RHALT); #endif -#ifdef VERBOSE_GFAR_ERRORS - printk(KERN_DEBUG "%s: busy error (rhalt: %x)\n", dev->name, - gfar_read(&priv->regs->rstat)); -#endif + if (netif_msg_rx_err(priv)) + printk(KERN_DEBUG "%s: busy error (rhalt: %x)\n", + dev->name, + gfar_read(&priv->regs->rstat)); } if (events & IEVENT_BABR) { priv->stats.rx_errors++; priv->extra_stats.rx_babr++; -#ifdef VERBOSE_GFAR_ERRORS - printk(KERN_DEBUG "%s: babbling error\n", dev->name); -#endif + if (netif_msg_rx_err(priv)) + printk(KERN_DEBUG "%s: babbling error\n", dev->name); } if (events & IEVENT_EBERR) { priv->extra_stats.eberr++; -#ifdef VERBOSE_GFAR_ERRORS - printk(KERN_DEBUG "%s: EBERR\n", dev->name); -#endif - } - if (events & IEVENT_RXC) { -#ifdef VERBOSE_GFAR_ERRORS - printk(KERN_DEBUG "%s: control frame\n", dev->name); -#endif + if (netif_msg_rx_err(priv)) + printk(KERN_DEBUG "%s: EBERR\n", dev->name); } + if ((events & IEVENT_RXC) && (netif_msg_rx_err(priv))) + printk(KERN_DEBUG "%s: control frame\n", dev->name); if (events & IEVENT_BABT) { priv->extra_stats.tx_babt++; -#ifdef VERBOSE_GFAR_ERRORS - printk(KERN_DEBUG "%s: babt error\n", dev->name); -#endif + if (netif_msg_rx_err(priv)) + printk(KERN_DEBUG "%s: babt error\n", dev->name); } return IRQ_HANDLED; } -static irqreturn_t phy_interrupt(int irq, void *dev_id, struct pt_regs *regs) -{ - struct net_device *dev = (struct net_device *) dev_id; - struct gfar_private *priv = netdev_priv(dev); - - /* Clear the interrupt */ - mii_clear_phy_interrupt(priv->mii_info); - - /* Disable PHY interrupts */ - mii_configure_phy_interrupt(priv->mii_info, - MII_INTERRUPT_DISABLED); - - /* Schedule the phy change */ - schedule_work(&priv->tq); - - return IRQ_HANDLED; -} - -/* Scheduled by the phy_interrupt/timer to handle PHY changes */ -static void gfar_phy_change(void *data) -{ - struct net_device *dev = (struct net_device *) data; - struct gfar_private *priv = netdev_priv(dev); - int result = 0; - - /* Delay to give the PHY a chance to change the - * register state */ - msleep(1); - - /* Update the link, speed, duplex */ - result = priv->mii_info->phyinfo->read_status(priv->mii_info); - - /* Adjust the known status as long as the link - * isn't still coming up */ - if((0 == result) || (priv->mii_info->link == 0)) - adjust_link(dev); - - /* Reenable interrupts, if needed */ - if (priv->einfo->board_flags & FSL_GIANFAR_BRD_HAS_PHY_INTR) - mii_configure_phy_interrupt(priv->mii_info, - MII_INTERRUPT_ENABLED); -} - -/* Called every so often on systems that don't interrupt - * the core for PHY changes */ -static void gfar_phy_timer(unsigned long data) -{ - struct net_device *dev = (struct net_device *) data; - struct gfar_private *priv = netdev_priv(dev); - - schedule_work(&priv->tq); - - mod_timer(&priv->phy_info_timer, jiffies + - GFAR_PHY_CHANGE_TIME * HZ); -} - -/* Keep trying aneg for some time - * If, after GFAR_AN_TIMEOUT seconds, it has not - * finished, we switch to forced. - * Either way, once the process has completed, we either - * request the interrupt, or switch the timer over to - * using gfar_phy_timer to check status */ -static void gfar_phy_startup_timer(unsigned long data) -{ - int result; - static int secondary = GFAR_AN_TIMEOUT; - struct gfar_mii_info *mii_info = (struct gfar_mii_info *)data; - struct gfar_private *priv = netdev_priv(mii_info->dev); - - /* Configure the Auto-negotiation */ - result = mii_info->phyinfo->config_aneg(mii_info); - - /* If autonegotiation failed to start, and - * we haven't timed out, reset the timer, and return */ - if (result && secondary--) { - mod_timer(&priv->phy_info_timer, jiffies + HZ); - return; - } else if (result) { - /* Couldn't start autonegotiation. - * Try switching to forced */ - mii_info->autoneg = 0; - result = mii_info->phyinfo->config_aneg(mii_info); - - /* Forcing failed! Give up */ - if(result) { - printk(KERN_ERR "%s: Forcing failed!\n", - mii_info->dev->name); - return; - } - } - - /* Kill the timer so it can be restarted */ - del_timer_sync(&priv->phy_info_timer); - - /* Grab the PHY interrupt, if necessary/possible */ - if (priv->einfo->board_flags & FSL_GIANFAR_BRD_HAS_PHY_INTR) { - if (request_irq(priv->einfo->interruptPHY, - phy_interrupt, - SA_SHIRQ, - "phy_interrupt", - mii_info->dev) < 0) { - printk(KERN_ERR "%s: Can't get IRQ %d (PHY)\n", - mii_info->dev->name, - priv->einfo->interruptPHY); - } else { - mii_configure_phy_interrupt(priv->mii_info, - MII_INTERRUPT_ENABLED); - return; - } - } - - /* Start the timer again, this time in order to - * handle a change in status */ - init_timer(&priv->phy_info_timer); - priv->phy_info_timer.function = &gfar_phy_timer; - priv->phy_info_timer.data = (unsigned long) mii_info->dev; - mod_timer(&priv->phy_info_timer, jiffies + - GFAR_PHY_CHANGE_TIME * HZ); -} - /* Called every time the controller might need to be made * aware of new link state. The PHY code conveys this - * information through variables in the priv structure, and this + * information through variables in the phydev structure, and this * function converts those variables into the appropriate * register values, and can bring down the device if needed. */ @@ -1580,77 +1615,68 @@ static void adjust_link(struct net_device *dev) { struct gfar_private *priv = netdev_priv(dev); struct gfar *regs = priv->regs; - u32 tempval; - struct gfar_mii_info *mii_info = priv->mii_info; + unsigned long flags; + struct phy_device *phydev = priv->phydev; + int new_state = 0; + + spin_lock_irqsave(&priv->lock, flags); + if (phydev->link) { + u32 tempval = gfar_read(®s->maccfg2); - if (mii_info->link) { /* Now we make sure that we can be in full duplex mode. * If not, we operate in half-duplex mode. */ - if (mii_info->duplex != priv->oldduplex) { - if (!(mii_info->duplex)) { - tempval = gfar_read(®s->maccfg2); + if (phydev->duplex != priv->oldduplex) { + new_state = 1; + if (!(phydev->duplex)) tempval &= ~(MACCFG2_FULL_DUPLEX); - gfar_write(®s->maccfg2, tempval); - - printk(KERN_INFO "%s: Half Duplex\n", - dev->name); - } else { - tempval = gfar_read(®s->maccfg2); + else tempval |= MACCFG2_FULL_DUPLEX; - gfar_write(®s->maccfg2, tempval); - - printk(KERN_INFO "%s: Full Duplex\n", - dev->name); - } - priv->oldduplex = mii_info->duplex; + priv->oldduplex = phydev->duplex; } - if (mii_info->speed != priv->oldspeed) { - switch (mii_info->speed) { + if (phydev->speed != priv->oldspeed) { + new_state = 1; + switch (phydev->speed) { case 1000: - tempval = gfar_read(®s->maccfg2); tempval = ((tempval & ~(MACCFG2_IF)) | MACCFG2_GMII); - gfar_write(®s->maccfg2, tempval); break; case 100: case 10: - tempval = gfar_read(®s->maccfg2); tempval = ((tempval & ~(MACCFG2_IF)) | MACCFG2_MII); - gfar_write(®s->maccfg2, tempval); break; default: - printk(KERN_WARNING - "%s: Ack! Speed (%d) is not 10/100/1000!\n", - dev->name, mii_info->speed); + if (netif_msg_link(priv)) + printk(KERN_WARNING + "%s: Ack! Speed (%d) is not 10/100/1000!\n", + dev->name, phydev->speed); break; } - printk(KERN_INFO "%s: Speed %dBT\n", dev->name, - mii_info->speed); - - priv->oldspeed = mii_info->speed; + priv->oldspeed = phydev->speed; } + gfar_write(®s->maccfg2, tempval); + if (!priv->oldlink) { - printk(KERN_INFO "%s: Link is up\n", dev->name); + new_state = 1; priv->oldlink = 1; - netif_carrier_on(dev); netif_schedule(dev); } - } else { - if (priv->oldlink) { - printk(KERN_INFO "%s: Link is down\n", dev->name); - priv->oldlink = 0; - priv->oldspeed = 0; - priv->oldduplex = -1; - netif_carrier_off(dev); - } + } else if (priv->oldlink) { + new_state = 1; + priv->oldlink = 0; + priv->oldspeed = 0; + priv->oldduplex = -1; } -} + if (new_state && netif_msg_link(priv)) + phy_print_status(phydev); + + spin_unlock_irqrestore(&priv->lock, flags); +} /* Update the hash table based on the current list of multicast * addresses we subscribe to. Also, change the promiscuity of @@ -1664,8 +1690,9 @@ static void gfar_set_multi(struct net_device *dev) u32 tempval; if(dev->flags & IFF_PROMISC) { - printk(KERN_INFO "%s: Entering promiscuous mode.\n", - dev->name); + if (netif_msg_drv(priv)) + printk(KERN_INFO "%s: Entering promiscuous mode.\n", + dev->name); /* Set RCTRL to PROM */ tempval = gfar_read(®s->rctrl); tempval |= RCTRL_PROM; @@ -1679,6 +1706,14 @@ static void gfar_set_multi(struct net_device *dev) if(dev->flags & IFF_ALLMULTI) { /* Set the hash to rx all multicast frames */ + gfar_write(®s->igaddr0, 0xffffffff); + gfar_write(®s->igaddr1, 0xffffffff); + gfar_write(®s->igaddr2, 0xffffffff); + gfar_write(®s->igaddr3, 0xffffffff); + gfar_write(®s->igaddr4, 0xffffffff); + gfar_write(®s->igaddr5, 0xffffffff); + gfar_write(®s->igaddr6, 0xffffffff); + gfar_write(®s->igaddr7, 0xffffffff); gfar_write(®s->gaddr0, 0xffffffff); gfar_write(®s->gaddr1, 0xffffffff); gfar_write(®s->gaddr2, 0xffffffff); @@ -1689,6 +1724,14 @@ static void gfar_set_multi(struct net_device *dev) gfar_write(®s->gaddr7, 0xffffffff); } else { /* zero out the hash */ + gfar_write(®s->igaddr0, 0x0); + gfar_write(®s->igaddr1, 0x0); + gfar_write(®s->igaddr2, 0x0); + gfar_write(®s->igaddr3, 0x0); + gfar_write(®s->igaddr4, 0x0); + gfar_write(®s->igaddr5, 0x0); + gfar_write(®s->igaddr6, 0x0); + gfar_write(®s->igaddr7, 0x0); gfar_write(®s->gaddr0, 0x0); gfar_write(®s->gaddr1, 0x0); gfar_write(®s->gaddr2, 0x0); @@ -1727,16 +1770,15 @@ static void gfar_set_hash_for_addr(struct net_device *dev, u8 *addr) { u32 tempval; struct gfar_private *priv = netdev_priv(dev); - struct gfar *regs = priv->regs; - u32 *hash = ®s->gaddr0; u32 result = ether_crc(MAC_ADDR_LEN, addr); - u8 whichreg = ((result >> 29) & 0x7); - u8 whichbit = ((result >> 24) & 0x1f); + int width = priv->hash_width; + u8 whichbit = (result >> (32 - width)) & 0x1f; + u8 whichreg = result >> (32 - width + 5); u32 value = (1 << (31-whichbit)); - tempval = gfar_read(&hash[whichreg]); + tempval = gfar_read(priv->hash_regs[whichreg]); tempval |= value; - gfar_write(&hash[whichreg], tempval); + gfar_write(priv->hash_regs[whichreg], tempval); return; } @@ -1754,10 +1796,9 @@ static irqreturn_t gfar_error(int irq, void *dev_id, struct pt_regs *regs) gfar_write(&priv->regs->ievent, IEVENT_ERR_MASK); /* Hmm... */ -#if defined (BRIEF_GFAR_ERRORS) || defined (VERBOSE_GFAR_ERRORS) - printk(KERN_DEBUG "%s: error interrupt (ievent=0x%08x imask=0x%08x)\n", - dev->name, events, gfar_read(&priv->regs->imask)); -#endif + if (netif_msg_rx_err(priv) || netif_msg_tx_err(priv)) + printk(KERN_DEBUG "%s: error interrupt (ievent=0x%08x imask=0x%08x)\n", + dev->name, events, gfar_read(&priv->regs->imask)); /* Update the error counters */ if (events & IEVENT_TXE) { @@ -1768,19 +1809,17 @@ static irqreturn_t gfar_error(int irq, void *dev_id, struct pt_regs *regs) if (events & IEVENT_CRL) priv->stats.tx_aborted_errors++; if (events & IEVENT_XFUN) { -#ifdef VERBOSE_GFAR_ERRORS - printk(KERN_DEBUG "%s: underrun. packet dropped.\n", - dev->name); -#endif + if (netif_msg_tx_err(priv)) + printk(KERN_DEBUG "%s: underrun. packet dropped.\n", + dev->name); priv->stats.tx_dropped++; priv->extra_stats.tx_underrun++; /* Reactivate the Tx Queues */ gfar_write(&priv->regs->tstat, TSTAT_CLEAR_THALT); } -#ifdef VERBOSE_GFAR_ERRORS - printk(KERN_DEBUG "%s: Transmit Error\n", dev->name); -#endif + if (netif_msg_tx_err(priv)) + printk(KERN_DEBUG "%s: Transmit Error\n", dev->name); } if (events & IEVENT_BSY) { priv->stats.rx_errors++; @@ -1793,35 +1832,31 @@ static irqreturn_t gfar_error(int irq, void *dev_id, struct pt_regs *regs) gfar_write(&priv->regs->rstat, RSTAT_CLEAR_RHALT); #endif -#ifdef VERBOSE_GFAR_ERRORS - printk(KERN_DEBUG "%s: busy error (rhalt: %x)\n", dev->name, - gfar_read(&priv->regs->rstat)); -#endif + if (netif_msg_rx_err(priv)) + printk(KERN_DEBUG "%s: busy error (rhalt: %x)\n", + dev->name, + gfar_read(&priv->regs->rstat)); } if (events & IEVENT_BABR) { priv->stats.rx_errors++; priv->extra_stats.rx_babr++; -#ifdef VERBOSE_GFAR_ERRORS - printk(KERN_DEBUG "%s: babbling error\n", dev->name); -#endif + if (netif_msg_rx_err(priv)) + printk(KERN_DEBUG "%s: babbling error\n", dev->name); } if (events & IEVENT_EBERR) { priv->extra_stats.eberr++; -#ifdef VERBOSE_GFAR_ERRORS - printk(KERN_DEBUG "%s: EBERR\n", dev->name); -#endif + if (netif_msg_rx_err(priv)) + printk(KERN_DEBUG "%s: EBERR\n", dev->name); } - if (events & IEVENT_RXC) -#ifdef VERBOSE_GFAR_ERRORS - printk(KERN_DEBUG "%s: control frame\n", dev->name); -#endif + if ((events & IEVENT_RXC) && netif_msg_rx_status(priv)) + if (netif_msg_rx_status(priv)) + printk(KERN_DEBUG "%s: control frame\n", dev->name); if (events & IEVENT_BABT) { priv->extra_stats.tx_babt++; -#ifdef VERBOSE_GFAR_ERRORS - printk(KERN_DEBUG "%s: babt error\n", dev->name); -#endif + if (netif_msg_tx_err(priv)) + printk(KERN_DEBUG "%s: babt error\n", dev->name); } return IRQ_HANDLED; } @@ -1836,12 +1871,23 @@ static struct device_driver gfar_driver = { static int __init gfar_init(void) { - return driver_register(&gfar_driver); + int err = gfar_mdio_init(); + + if (err) + return err; + + err = driver_register(&gfar_driver); + + if (err) + gfar_mdio_exit(); + + return err; } static void __exit gfar_exit(void) { driver_unregister(&gfar_driver); + gfar_mdio_exit(); } module_init(gfar_init);