* Fetch the mask bits of the selected CAM and store them into the
* provided mask buffer.
*/
-
static void mac_get_cam_mask(struct mac_regs __iomem *regs, u8 *mask)
{
int i;
*
* Store a new mask into a CAM
*/
-
static void mac_set_cam_mask(struct mac_regs __iomem *regs, u8 *mask)
{
int i;
*
* Load an address or vlan tag into a CAM
*/
-
static void mac_set_cam(struct mac_regs __iomem *regs, int idx, const u8 *addr)
{
int i;
* reset the Wake on lan features. This function doesn't restore
* the rest of the logic from the result of sleep/wakeup
*/
-
static void mac_wol_reset(struct mac_regs __iomem *regs)
{
writew(0xFFFF, ®s->WOLSRClr);
}
-static int velocity_mii_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd);
static const struct ethtool_ops velocity_ethtool_ops;
/*
module_param(rx_copybreak, int, 0644);
MODULE_PARM_DESC(rx_copybreak, "Copy breakpoint for copy-only-tiny-frames");
-static void velocity_init_info(struct pci_dev *pdev, struct velocity_info *vptr,
- const struct velocity_info_tbl *info);
-static int velocity_get_pci_info(struct velocity_info *, struct pci_dev *pdev);
-static void velocity_print_info(struct velocity_info *vptr);
-static int velocity_open(struct net_device *dev);
-static int velocity_change_mtu(struct net_device *dev, int mtu);
-static int velocity_xmit(struct sk_buff *skb, struct net_device *dev);
-static irqreturn_t velocity_intr(int irq, void *dev_instance);
-static void velocity_set_multi(struct net_device *dev);
-static struct net_device_stats *velocity_get_stats(struct net_device *dev);
-static int velocity_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
-static int velocity_close(struct net_device *dev);
-static int velocity_receive_frame(struct velocity_info *, int idx);
-static int velocity_alloc_rx_buf(struct velocity_info *, int idx);
-static void velocity_free_rd_ring(struct velocity_info *vptr);
-static void velocity_free_tx_buf(struct velocity_info *vptr, struct velocity_td_info *);
-static int velocity_soft_reset(struct velocity_info *vptr);
-static void mii_init(struct velocity_info *vptr, u32 mii_status);
-static u32 velocity_get_link(struct net_device *dev);
-static u32 velocity_get_opt_media_mode(struct velocity_info *vptr);
-static void velocity_print_link_status(struct velocity_info *vptr);
-static void safe_disable_mii_autopoll(struct mac_regs __iomem *regs);
-static void velocity_shutdown(struct velocity_info *vptr);
-static void enable_flow_control_ability(struct velocity_info *vptr);
-static void enable_mii_autopoll(struct mac_regs __iomem *regs);
-static int velocity_mii_read(struct mac_regs __iomem *, u8 byIdx, u16 *pdata);
-static int velocity_mii_write(struct mac_regs __iomem *, u8 byMiiAddr, u16 data);
-static u32 mii_check_media_mode(struct mac_regs __iomem *regs);
-static u32 check_connection_type(struct mac_regs __iomem *regs);
-static int velocity_set_media_mode(struct velocity_info *vptr, u32 mii_status);
-
#ifdef CONFIG_PM
-
-static int velocity_suspend(struct pci_dev *pdev, pm_message_t state);
-static int velocity_resume(struct pci_dev *pdev);
-
static DEFINE_SPINLOCK(velocity_dev_list_lock);
static LIST_HEAD(velocity_dev_list);
-
-#endif
-
-#if defined(CONFIG_PM) && defined(CONFIG_INET)
-
-static int velocity_netdev_event(struct notifier_block *nb, unsigned long notification, void *ptr);
-
-static struct notifier_block velocity_inetaddr_notifier = {
- .notifier_call = velocity_netdev_event,
-};
-
-static void velocity_register_notifier(void)
-{
- register_inetaddr_notifier(&velocity_inetaddr_notifier);
-}
-
-static void velocity_unregister_notifier(void)
-{
- unregister_inetaddr_notifier(&velocity_inetaddr_notifier);
-}
-
-#else
-
-#define velocity_register_notifier() do {} while (0)
-#define velocity_unregister_notifier() do {} while (0)
-
#endif
/*
* Internal board variants. At the moment we have only one
*/
-
static struct velocity_info_tbl chip_info_table[] = {
{CHIP_TYPE_VT6110, "VIA Networking Velocity Family Gigabit Ethernet Adapter", 1, 0x00FFFFFFUL},
{ }
* Describe the PCI device identifiers that we support in this
* device driver. Used for hotplug autoloading.
*/
-
static const struct pci_device_id velocity_id_table[] __devinitdata = {
{ PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_612X) },
{ }
* Given a chip identifier return a suitable description. Returns
* a pointer a static string valid while the driver is loaded.
*/
-
static const char __devinit *get_chip_name(enum chip_type chip_id)
{
int i;
* unload for each active device that is present. Disconnects
* the device from the network layer and frees all the resources
*/
-
static void __devexit velocity_remove1(struct pci_dev *pdev)
{
struct net_device *dev = pci_get_drvdata(pdev);
* all the verification and checking as well as reporting so that
* we don't duplicate code for each option.
*/
-
static void __devinit velocity_set_int_opt(int *opt, int val, int min, int max, int def, char *name, const char *devname)
{
if (val == -1)
* all the verification and checking as well as reporting so that
* we don't duplicate code for each option.
*/
-
static void __devinit velocity_set_bool_opt(u32 *opt, int val, int def, u32 flag, char *name, const char *devname)
{
(*opt) &= (~flag);
* Turn the module and command options into a single structure
* for the current device
*/
-
static void __devinit velocity_get_options(struct velocity_opt *opts, int index, const char *devname)
{
* Initialize the content addressable memory used for filters. Load
* appropriately according to the presence of VLAN
*/
-
static void velocity_init_cam_filter(struct velocity_info *vptr)
{
struct mac_regs __iomem *regs = vptr->mac_regs;
* Reset the ownership and status for the receive ring side.
* Hand all the receive queue to the NIC.
*/
-
static void velocity_rx_reset(struct velocity_info *vptr)
{
}
/**
- * velocity_init_registers - initialise MAC registers
- * @vptr: velocity to init
- * @type: type of initialisation (hot or cold)
+ * velocity_get_opt_media_mode - get media selection
+ * @vptr: velocity adapter
*
- * Initialise the MAC on a reset or on first set up on the
- * hardware.
+ * Get the media mode stored in EEPROM or module options and load
+ * mii_status accordingly. The requested link state information
+ * is also returned.
*/
-
-static void velocity_init_registers(struct velocity_info *vptr,
- enum velocity_init_type type)
+static u32 velocity_get_opt_media_mode(struct velocity_info *vptr)
{
- struct mac_regs __iomem *regs = vptr->mac_regs;
- int i, mii_status;
-
- mac_wol_reset(regs);
-
- switch (type) {
- case VELOCITY_INIT_RESET:
- case VELOCITY_INIT_WOL:
-
- netif_stop_queue(vptr->dev);
-
- /*
- * Reset RX to prevent RX pointer not on the 4X location
- */
- velocity_rx_reset(vptr);
- mac_rx_queue_run(regs);
- mac_rx_queue_wake(regs);
-
- mii_status = velocity_get_opt_media_mode(vptr);
- if (velocity_set_media_mode(vptr, mii_status) != VELOCITY_LINK_CHANGE) {
- velocity_print_link_status(vptr);
- if (!(vptr->mii_status & VELOCITY_LINK_FAIL))
- netif_wake_queue(vptr->dev);
- }
-
- enable_flow_control_ability(vptr);
-
- mac_clear_isr(regs);
- writel(CR0_STOP, ®s->CR0Clr);
- writel((CR0_DPOLL | CR0_TXON | CR0_RXON | CR0_STRT),
- ®s->CR0Set);
+ u32 status = 0;
+ switch (vptr->options.spd_dpx) {
+ case SPD_DPX_AUTO:
+ status = VELOCITY_AUTONEG_ENABLE;
break;
+ case SPD_DPX_100_FULL:
+ status = VELOCITY_SPEED_100 | VELOCITY_DUPLEX_FULL;
+ break;
+ case SPD_DPX_10_FULL:
+ status = VELOCITY_SPEED_10 | VELOCITY_DUPLEX_FULL;
+ break;
+ case SPD_DPX_100_HALF:
+ status = VELOCITY_SPEED_100;
+ break;
+ case SPD_DPX_10_HALF:
+ status = VELOCITY_SPEED_10;
+ break;
+ }
+ vptr->mii_status = status;
+ return status;
+}
- case VELOCITY_INIT_COLD:
- default:
- /*
- * Do reset
- */
- velocity_soft_reset(vptr);
- mdelay(5);
-
- mac_eeprom_reload(regs);
- for (i = 0; i < 6; i++)
- writeb(vptr->dev->dev_addr[i], &(regs->PAR[i]));
-
- /*
- * clear Pre_ACPI bit.
- */
- BYTE_REG_BITS_OFF(CFGA_PACPI, &(regs->CFGA));
- mac_set_rx_thresh(regs, vptr->options.rx_thresh);
- mac_set_dma_length(regs, vptr->options.DMA_length);
-
- writeb(WOLCFG_SAM | WOLCFG_SAB, ®s->WOLCFGSet);
- /*
- * Back off algorithm use original IEEE standard
- */
- BYTE_REG_BITS_SET(CFGB_OFSET, (CFGB_CRANDOM | CFGB_CAP | CFGB_MBA | CFGB_BAKOPT), ®s->CFGB);
+/**
+ * safe_disable_mii_autopoll - autopoll off
+ * @regs: velocity registers
+ *
+ * Turn off the autopoll and wait for it to disable on the chip
+ */
+static void safe_disable_mii_autopoll(struct mac_regs __iomem *regs)
+{
+ u16 ww;
- /*
- * Init CAM filter
- */
- velocity_init_cam_filter(vptr);
+ /* turn off MAUTO */
+ writeb(0, ®s->MIICR);
+ for (ww = 0; ww < W_MAX_TIMEOUT; ww++) {
+ udelay(1);
+ if (BYTE_REG_BITS_IS_ON(MIISR_MIDLE, ®s->MIISR))
+ break;
+ }
+}
- /*
- * Set packet filter: Receive directed and broadcast address
- */
- velocity_set_multi(vptr->dev);
+/**
+ * enable_mii_autopoll - turn on autopolling
+ * @regs: velocity registers
+ *
+ * Enable the MII link status autopoll feature on the Velocity
+ * hardware. Wait for it to enable.
+ */
+static void enable_mii_autopoll(struct mac_regs __iomem *regs)
+{
+ int ii;
- /*
- * Enable MII auto-polling
- */
- enable_mii_autopoll(regs);
+ writeb(0, &(regs->MIICR));
+ writeb(MIIADR_SWMPL, ®s->MIIADR);
- vptr->int_mask = INT_MASK_DEF;
+ for (ii = 0; ii < W_MAX_TIMEOUT; ii++) {
+ udelay(1);
+ if (BYTE_REG_BITS_IS_ON(MIISR_MIDLE, ®s->MIISR))
+ break;
+ }
- writel(vptr->rx.pool_dma, ®s->RDBaseLo);
- writew(vptr->options.numrx - 1, ®s->RDCSize);
- mac_rx_queue_run(regs);
- mac_rx_queue_wake(regs);
+ writeb(MIICR_MAUTO, ®s->MIICR);
- writew(vptr->options.numtx - 1, ®s->TDCSize);
+ for (ii = 0; ii < W_MAX_TIMEOUT; ii++) {
+ udelay(1);
+ if (!BYTE_REG_BITS_IS_ON(MIISR_MIDLE, ®s->MIISR))
+ break;
+ }
- for (i = 0; i < vptr->tx.numq; i++) {
- writel(vptr->tx.pool_dma[i], ®s->TDBaseLo[i]);
- mac_tx_queue_run(regs, i);
- }
+}
- init_flow_control_register(vptr);
+/**
+ * velocity_mii_read - read MII data
+ * @regs: velocity registers
+ * @index: MII register index
+ * @data: buffer for received data
+ *
+ * Perform a single read of an MII 16bit register. Returns zero
+ * on success or -ETIMEDOUT if the PHY did not respond.
+ */
+static int velocity_mii_read(struct mac_regs __iomem *regs, u8 index, u16 *data)
+{
+ u16 ww;
- writel(CR0_STOP, ®s->CR0Clr);
- writel((CR0_DPOLL | CR0_TXON | CR0_RXON | CR0_STRT), ®s->CR0Set);
+ /*
+ * Disable MIICR_MAUTO, so that mii addr can be set normally
+ */
+ safe_disable_mii_autopoll(regs);
- mii_status = velocity_get_opt_media_mode(vptr);
- netif_stop_queue(vptr->dev);
+ writeb(index, ®s->MIIADR);
- mii_init(vptr, mii_status);
+ BYTE_REG_BITS_ON(MIICR_RCMD, ®s->MIICR);
- if (velocity_set_media_mode(vptr, mii_status) != VELOCITY_LINK_CHANGE) {
- velocity_print_link_status(vptr);
- if (!(vptr->mii_status & VELOCITY_LINK_FAIL))
- netif_wake_queue(vptr->dev);
- }
+ for (ww = 0; ww < W_MAX_TIMEOUT; ww++) {
+ if (!(readb(®s->MIICR) & MIICR_RCMD))
+ break;
+ }
- enable_flow_control_ability(vptr);
- mac_hw_mibs_init(regs);
- mac_write_int_mask(vptr->int_mask, regs);
- mac_clear_isr(regs);
+ *data = readw(®s->MIIDATA);
- }
+ enable_mii_autopoll(regs);
+ if (ww == W_MAX_TIMEOUT)
+ return -ETIMEDOUT;
+ return 0;
}
+
/**
- * velocity_soft_reset - soft reset
- * @vptr: velocity to reset
+ * mii_check_media_mode - check media state
+ * @regs: velocity registers
*
- * Kick off a soft reset of the velocity adapter and then poll
- * until the reset sequence has completed before returning.
+ * Check the current MII status and determine the link status
+ * accordingly
*/
-
-static int velocity_soft_reset(struct velocity_info *vptr)
+static u32 mii_check_media_mode(struct mac_regs __iomem *regs)
{
- struct mac_regs __iomem *regs = vptr->mac_regs;
- int i = 0;
+ u32 status = 0;
+ u16 ANAR;
- writel(CR0_SFRST, ®s->CR0Set);
+ if (!MII_REG_BITS_IS_ON(BMSR_LNK, MII_REG_BMSR, regs))
+ status |= VELOCITY_LINK_FAIL;
- for (i = 0; i < W_MAX_TIMEOUT; i++) {
- udelay(5);
- if (!DWORD_REG_BITS_IS_ON(CR0_SFRST, ®s->CR0Set))
- break;
+ if (MII_REG_BITS_IS_ON(G1000CR_1000FD, MII_REG_G1000CR, regs))
+ status |= VELOCITY_SPEED_1000 | VELOCITY_DUPLEX_FULL;
+ else if (MII_REG_BITS_IS_ON(G1000CR_1000, MII_REG_G1000CR, regs))
+ status |= (VELOCITY_SPEED_1000);
+ else {
+ velocity_mii_read(regs, MII_REG_ANAR, &ANAR);
+ if (ANAR & ANAR_TXFD)
+ status |= (VELOCITY_SPEED_100 | VELOCITY_DUPLEX_FULL);
+ else if (ANAR & ANAR_TX)
+ status |= VELOCITY_SPEED_100;
+ else if (ANAR & ANAR_10FD)
+ status |= (VELOCITY_SPEED_10 | VELOCITY_DUPLEX_FULL);
+ else
+ status |= (VELOCITY_SPEED_10);
}
- if (i == W_MAX_TIMEOUT) {
- writel(CR0_FORSRST, ®s->CR0Set);
- /* FIXME: PCI POSTING */
- /* delay 2ms */
- mdelay(2);
+ if (MII_REG_BITS_IS_ON(BMCR_AUTO, MII_REG_BMCR, regs)) {
+ velocity_mii_read(regs, MII_REG_ANAR, &ANAR);
+ if ((ANAR & (ANAR_TXFD | ANAR_TX | ANAR_10FD | ANAR_10))
+ == (ANAR_TXFD | ANAR_TX | ANAR_10FD | ANAR_10)) {
+ if (MII_REG_BITS_IS_ON(G1000CR_1000 | G1000CR_1000FD, MII_REG_G1000CR, regs))
+ status |= VELOCITY_AUTONEG_ENABLE;
+ }
}
- return 0;
-}
-static const struct net_device_ops velocity_netdev_ops = {
- .ndo_open = velocity_open,
- .ndo_stop = velocity_close,
- .ndo_start_xmit = velocity_xmit,
- .ndo_get_stats = velocity_get_stats,
- .ndo_validate_addr = eth_validate_addr,
- .ndo_set_mac_address = eth_mac_addr,
- .ndo_set_multicast_list = velocity_set_multi,
- .ndo_change_mtu = velocity_change_mtu,
- .ndo_do_ioctl = velocity_ioctl,
- .ndo_vlan_rx_add_vid = velocity_vlan_rx_add_vid,
- .ndo_vlan_rx_kill_vid = velocity_vlan_rx_kill_vid,
- .ndo_vlan_rx_register = velocity_vlan_rx_register,
-};
+ return status;
+}
/**
- * velocity_found1 - set up discovered velocity card
- * @pdev: PCI device
- * @ent: PCI device table entry that matched
+ * velocity_mii_write - write MII data
+ * @regs: velocity registers
+ * @index: MII register index
+ * @data: 16bit data for the MII register
*
- * Configure a discovered adapter from scratch. Return a negative
- * errno error code on failure paths.
+ * Perform a single write to an MII 16bit register. Returns zero
+ * on success or -ETIMEDOUT if the PHY did not respond.
*/
-
-static int __devinit velocity_found1(struct pci_dev *pdev, const struct pci_device_id *ent)
+static int velocity_mii_write(struct mac_regs __iomem *regs, u8 mii_addr, u16 data)
{
- static int first = 1;
- struct net_device *dev;
- int i;
- const char *drv_string;
- const struct velocity_info_tbl *info = &chip_info_table[ent->driver_data];
- struct velocity_info *vptr;
- struct mac_regs __iomem *regs;
- int ret = -ENOMEM;
+ u16 ww;
- /* FIXME: this driver, like almost all other ethernet drivers,
- * can support more than MAX_UNITS.
+ /*
+ * Disable MIICR_MAUTO, so that mii addr can be set normally
*/
- if (velocity_nics >= MAX_UNITS) {
- dev_notice(&pdev->dev, "already found %d NICs.\n",
- velocity_nics);
- return -ENODEV;
- }
+ safe_disable_mii_autopoll(regs);
- dev = alloc_etherdev(sizeof(struct velocity_info));
- if (!dev) {
- dev_err(&pdev->dev, "allocate net device failed.\n");
- goto out;
+ /* MII reg offset */
+ writeb(mii_addr, ®s->MIIADR);
+ /* set MII data */
+ writew(data, ®s->MIIDATA);
+
+ /* turn on MIICR_WCMD */
+ BYTE_REG_BITS_ON(MIICR_WCMD, ®s->MIICR);
+
+ /* W_MAX_TIMEOUT is the timeout period */
+ for (ww = 0; ww < W_MAX_TIMEOUT; ww++) {
+ udelay(5);
+ if (!(readb(®s->MIICR) & MIICR_WCMD))
+ break;
}
+ enable_mii_autopoll(regs);
- /* Chain it all together */
+ if (ww == W_MAX_TIMEOUT)
+ return -ETIMEDOUT;
+ return 0;
+}
- SET_NETDEV_DEV(dev, &pdev->dev);
- vptr = netdev_priv(dev);
+/**
+ * set_mii_flow_control - flow control setup
+ * @vptr: velocity interface
+ *
+ * Set up the flow control on this interface according to
+ * the supplied user/eeprom options.
+ */
+static void set_mii_flow_control(struct velocity_info *vptr)
+{
+ /*Enable or Disable PAUSE in ANAR */
+ switch (vptr->options.flow_cntl) {
+ case FLOW_CNTL_TX:
+ MII_REG_BITS_OFF(ANAR_PAUSE, MII_REG_ANAR, vptr->mac_regs);
+ MII_REG_BITS_ON(ANAR_ASMDIR, MII_REG_ANAR, vptr->mac_regs);
+ break;
+ case FLOW_CNTL_RX:
+ MII_REG_BITS_ON(ANAR_PAUSE, MII_REG_ANAR, vptr->mac_regs);
+ MII_REG_BITS_ON(ANAR_ASMDIR, MII_REG_ANAR, vptr->mac_regs);
+ break;
- if (first) {
- printk(KERN_INFO "%s Ver. %s\n",
- VELOCITY_FULL_DRV_NAM, VELOCITY_VERSION);
- printk(KERN_INFO "Copyright (c) 2002, 2003 VIA Networking Technologies, Inc.\n");
- printk(KERN_INFO "Copyright (c) 2004 Red Hat Inc.\n");
- first = 0;
- }
+ case FLOW_CNTL_TX_RX:
+ MII_REG_BITS_ON(ANAR_PAUSE, MII_REG_ANAR, vptr->mac_regs);
+ MII_REG_BITS_ON(ANAR_ASMDIR, MII_REG_ANAR, vptr->mac_regs);
+ break;
- velocity_init_info(pdev, vptr, info);
+ case FLOW_CNTL_DISABLE:
+ MII_REG_BITS_OFF(ANAR_PAUSE, MII_REG_ANAR, vptr->mac_regs);
+ MII_REG_BITS_OFF(ANAR_ASMDIR, MII_REG_ANAR, vptr->mac_regs);
+ break;
+ default:
+ break;
+ }
+}
- vptr->dev = dev;
+/**
+ * mii_set_auto_on - autonegotiate on
+ * @vptr: velocity
+ *
+ * Enable autonegotation on this interface
+ */
+static void mii_set_auto_on(struct velocity_info *vptr)
+{
+ if (MII_REG_BITS_IS_ON(BMCR_AUTO, MII_REG_BMCR, vptr->mac_regs))
+ MII_REG_BITS_ON(BMCR_REAUTO, MII_REG_BMCR, vptr->mac_regs);
+ else
+ MII_REG_BITS_ON(BMCR_AUTO, MII_REG_BMCR, vptr->mac_regs);
+}
- dev->irq = pdev->irq;
+static u32 check_connection_type(struct mac_regs __iomem *regs)
+{
+ u32 status = 0;
+ u8 PHYSR0;
+ u16 ANAR;
+ PHYSR0 = readb(®s->PHYSR0);
- ret = pci_enable_device(pdev);
- if (ret < 0)
- goto err_free_dev;
+ /*
+ if (!(PHYSR0 & PHYSR0_LINKGD))
+ status|=VELOCITY_LINK_FAIL;
+ */
- ret = velocity_get_pci_info(vptr, pdev);
- if (ret < 0) {
- /* error message already printed */
- goto err_disable;
- }
+ if (PHYSR0 & PHYSR0_FDPX)
+ status |= VELOCITY_DUPLEX_FULL;
- ret = pci_request_regions(pdev, VELOCITY_NAME);
- if (ret < 0) {
- dev_err(&pdev->dev, "No PCI resources.\n");
- goto err_disable;
- }
+ if (PHYSR0 & PHYSR0_SPDG)
+ status |= VELOCITY_SPEED_1000;
+ else if (PHYSR0 & PHYSR0_SPD10)
+ status |= VELOCITY_SPEED_10;
+ else
+ status |= VELOCITY_SPEED_100;
- regs = ioremap(vptr->memaddr, VELOCITY_IO_SIZE);
- if (regs == NULL) {
- ret = -EIO;
- goto err_release_res;
+ if (MII_REG_BITS_IS_ON(BMCR_AUTO, MII_REG_BMCR, regs)) {
+ velocity_mii_read(regs, MII_REG_ANAR, &ANAR);
+ if ((ANAR & (ANAR_TXFD | ANAR_TX | ANAR_10FD | ANAR_10))
+ == (ANAR_TXFD | ANAR_TX | ANAR_10FD | ANAR_10)) {
+ if (MII_REG_BITS_IS_ON(G1000CR_1000 | G1000CR_1000FD, MII_REG_G1000CR, regs))
+ status |= VELOCITY_AUTONEG_ENABLE;
+ }
}
- vptr->mac_regs = regs;
-
- mac_wol_reset(regs);
+ return status;
+}
- dev->base_addr = vptr->ioaddr;
- for (i = 0; i < 6; i++)
- dev->dev_addr[i] = readb(®s->PAR[i]);
+/**
+ * velocity_set_media_mode - set media mode
+ * @mii_status: old MII link state
+ *
+ * Check the media link state and configure the flow control
+ * PHY and also velocity hardware setup accordingly. In particular
+ * we need to set up CD polling and frame bursting.
+ */
+static int velocity_set_media_mode(struct velocity_info *vptr, u32 mii_status)
+{
+ u32 curr_status;
+ struct mac_regs __iomem *regs = vptr->mac_regs;
- drv_string = dev_driver_string(&pdev->dev);
+ vptr->mii_status = mii_check_media_mode(vptr->mac_regs);
+ curr_status = vptr->mii_status & (~VELOCITY_LINK_FAIL);
- velocity_get_options(&vptr->options, velocity_nics, drv_string);
+ /* Set mii link status */
+ set_mii_flow_control(vptr);
/*
- * Mask out the options cannot be set to the chip
+ Check if new status is consisent with current status
+ if (((mii_status & curr_status) & VELOCITY_AUTONEG_ENABLE)
+ || (mii_status==curr_status)) {
+ vptr->mii_status=mii_check_media_mode(vptr->mac_regs);
+ vptr->mii_status=check_connection_type(vptr->mac_regs);
+ VELOCITY_PRT(MSG_LEVEL_INFO, "Velocity link no change\n");
+ return 0;
+ }
*/
- vptr->options.flags &= info->flags;
+ if (PHYID_GET_PHY_ID(vptr->phy_id) == PHYID_CICADA_CS8201)
+ MII_REG_BITS_ON(AUXCR_MDPPS, MII_REG_AUXCR, vptr->mac_regs);
/*
- * Enable the chip specified capbilities
+ * If connection type is AUTO
*/
+ if (mii_status & VELOCITY_AUTONEG_ENABLE) {
+ VELOCITY_PRT(MSG_LEVEL_INFO, "Velocity is AUTO mode\n");
+ /* clear force MAC mode bit */
+ BYTE_REG_BITS_OFF(CHIPGCR_FCMODE, ®s->CHIPGCR);
+ /* set duplex mode of MAC according to duplex mode of MII */
+ MII_REG_BITS_ON(ANAR_TXFD | ANAR_TX | ANAR_10FD | ANAR_10, MII_REG_ANAR, vptr->mac_regs);
+ MII_REG_BITS_ON(G1000CR_1000FD | G1000CR_1000, MII_REG_G1000CR, vptr->mac_regs);
+ MII_REG_BITS_ON(BMCR_SPEED1G, MII_REG_BMCR, vptr->mac_regs);
- vptr->flags = vptr->options.flags | (info->flags & 0xFF000000UL);
+ /* enable AUTO-NEGO mode */
+ mii_set_auto_on(vptr);
+ } else {
+ u16 ANAR;
+ u8 CHIPGCR;
- vptr->wol_opts = vptr->options.wol_opts;
- vptr->flags |= VELOCITY_FLAGS_WOL_ENABLED;
+ /*
+ * 1. if it's 3119, disable frame bursting in halfduplex mode
+ * and enable it in fullduplex mode
+ * 2. set correct MII/GMII and half/full duplex mode in CHIPGCR
+ * 3. only enable CD heart beat counter in 10HD mode
+ */
- vptr->phy_id = MII_GET_PHY_ID(vptr->mac_regs);
+ /* set force MAC mode bit */
+ BYTE_REG_BITS_ON(CHIPGCR_FCMODE, ®s->CHIPGCR);
- dev->irq = pdev->irq;
- dev->netdev_ops = &velocity_netdev_ops;
- dev->ethtool_ops = &velocity_ethtool_ops;
+ CHIPGCR = readb(®s->CHIPGCR);
+ CHIPGCR &= ~CHIPGCR_FCGMII;
- dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_FILTER |
- NETIF_F_HW_VLAN_RX;
+ if (mii_status & VELOCITY_DUPLEX_FULL) {
+ CHIPGCR |= CHIPGCR_FCFDX;
+ writeb(CHIPGCR, ®s->CHIPGCR);
+ VELOCITY_PRT(MSG_LEVEL_INFO, "set Velocity to forced full mode\n");
+ if (vptr->rev_id < REV_ID_VT3216_A0)
+ BYTE_REG_BITS_OFF(TCR_TB2BDIS, ®s->TCR);
+ } else {
+ CHIPGCR &= ~CHIPGCR_FCFDX;
+ VELOCITY_PRT(MSG_LEVEL_INFO, "set Velocity to forced half mode\n");
+ writeb(CHIPGCR, ®s->CHIPGCR);
+ if (vptr->rev_id < REV_ID_VT3216_A0)
+ BYTE_REG_BITS_ON(TCR_TB2BDIS, ®s->TCR);
+ }
- if (vptr->flags & VELOCITY_FLAGS_TX_CSUM)
- dev->features |= NETIF_F_IP_CSUM;
+ MII_REG_BITS_OFF(G1000CR_1000FD | G1000CR_1000, MII_REG_G1000CR, vptr->mac_regs);
- ret = register_netdev(dev);
- if (ret < 0)
- goto err_iounmap;
+ if (!(mii_status & VELOCITY_DUPLEX_FULL) && (mii_status & VELOCITY_SPEED_10))
+ BYTE_REG_BITS_OFF(TESTCFG_HBDIS, ®s->TESTCFG);
+ else
+ BYTE_REG_BITS_ON(TESTCFG_HBDIS, ®s->TESTCFG);
- if (!velocity_get_link(dev)) {
- netif_carrier_off(dev);
- vptr->mii_status |= VELOCITY_LINK_FAIL;
+ /* MII_REG_BITS_OFF(BMCR_SPEED1G, MII_REG_BMCR, vptr->mac_regs); */
+ velocity_mii_read(vptr->mac_regs, MII_REG_ANAR, &ANAR);
+ ANAR &= (~(ANAR_TXFD | ANAR_TX | ANAR_10FD | ANAR_10));
+ if (mii_status & VELOCITY_SPEED_100) {
+ if (mii_status & VELOCITY_DUPLEX_FULL)
+ ANAR |= ANAR_TXFD;
+ else
+ ANAR |= ANAR_TX;
+ } else {
+ if (mii_status & VELOCITY_DUPLEX_FULL)
+ ANAR |= ANAR_10FD;
+ else
+ ANAR |= ANAR_10;
+ }
+ velocity_mii_write(vptr->mac_regs, MII_REG_ANAR, ANAR);
+ /* enable AUTO-NEGO mode */
+ mii_set_auto_on(vptr);
+ /* MII_REG_BITS_ON(BMCR_AUTO, MII_REG_BMCR, vptr->mac_regs); */
}
+ /* vptr->mii_status=mii_check_media_mode(vptr->mac_regs); */
+ /* vptr->mii_status=check_connection_type(vptr->mac_regs); */
+ return VELOCITY_LINK_CHANGE;
+}
- velocity_print_info(vptr);
- pci_set_drvdata(pdev, dev);
+/**
+ * velocity_print_link_status - link status reporting
+ * @vptr: velocity to report on
+ *
+ * Turn the link status of the velocity card into a kernel log
+ * description of the new link state, detailing speed and duplex
+ * status
+ */
+static void velocity_print_link_status(struct velocity_info *vptr)
+{
- /* and leave the chip powered down */
+ if (vptr->mii_status & VELOCITY_LINK_FAIL) {
+ VELOCITY_PRT(MSG_LEVEL_INFO, KERN_NOTICE "%s: failed to detect cable link\n", vptr->dev->name);
+ } else if (vptr->options.spd_dpx == SPD_DPX_AUTO) {
+ VELOCITY_PRT(MSG_LEVEL_INFO, KERN_NOTICE "%s: Link auto-negotiation", vptr->dev->name);
- pci_set_power_state(pdev, PCI_D3hot);
-#ifdef CONFIG_PM
- {
- unsigned long flags;
+ if (vptr->mii_status & VELOCITY_SPEED_1000)
+ VELOCITY_PRT(MSG_LEVEL_INFO, " speed 1000M bps");
+ else if (vptr->mii_status & VELOCITY_SPEED_100)
+ VELOCITY_PRT(MSG_LEVEL_INFO, " speed 100M bps");
+ else
+ VELOCITY_PRT(MSG_LEVEL_INFO, " speed 10M bps");
- spin_lock_irqsave(&velocity_dev_list_lock, flags);
- list_add(&vptr->list, &velocity_dev_list);
- spin_unlock_irqrestore(&velocity_dev_list_lock, flags);
+ if (vptr->mii_status & VELOCITY_DUPLEX_FULL)
+ VELOCITY_PRT(MSG_LEVEL_INFO, " full duplex\n");
+ else
+ VELOCITY_PRT(MSG_LEVEL_INFO, " half duplex\n");
+ } else {
+ VELOCITY_PRT(MSG_LEVEL_INFO, KERN_NOTICE "%s: Link forced", vptr->dev->name);
+ switch (vptr->options.spd_dpx) {
+ case SPD_DPX_100_HALF:
+ VELOCITY_PRT(MSG_LEVEL_INFO, " speed 100M bps half duplex\n");
+ break;
+ case SPD_DPX_100_FULL:
+ VELOCITY_PRT(MSG_LEVEL_INFO, " speed 100M bps full duplex\n");
+ break;
+ case SPD_DPX_10_HALF:
+ VELOCITY_PRT(MSG_LEVEL_INFO, " speed 10M bps half duplex\n");
+ break;
+ case SPD_DPX_10_FULL:
+ VELOCITY_PRT(MSG_LEVEL_INFO, " speed 10M bps full duplex\n");
+ break;
+ default:
+ break;
+ }
}
-#endif
- velocity_nics++;
-out:
- return ret;
-
-err_iounmap:
- iounmap(regs);
-err_release_res:
- pci_release_regions(pdev);
-err_disable:
- pci_disable_device(pdev);
-err_free_dev:
- free_netdev(dev);
- goto out;
}
/**
- * velocity_print_info - per driver data
- * @vptr: velocity
+ * enable_flow_control_ability - flow control
+ * @vptr: veloity to configure
*
- * Print per driver data as the kernel driver finds Velocity
- * hardware
+ * Set up flow control according to the flow control options
+ * determined by the eeprom/configuration.
*/
-
-static void __devinit velocity_print_info(struct velocity_info *vptr)
+static void enable_flow_control_ability(struct velocity_info *vptr)
{
- struct net_device *dev = vptr->dev;
- printk(KERN_INFO "%s: %s\n", dev->name, get_chip_name(vptr->chip_id));
- printk(KERN_INFO "%s: Ethernet Address: %2.2X:%2.2X:%2.2X:%2.2X:%2.2X:%2.2X\n",
- dev->name,
- dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
- dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5]);
-}
+ struct mac_regs __iomem *regs = vptr->mac_regs;
-/**
- * velocity_init_info - init private data
- * @pdev: PCI device
- * @vptr: Velocity info
- * @info: Board type
- *
- * Set up the initial velocity_info struct for the device that has been
- * discovered.
- */
+ switch (vptr->options.flow_cntl) {
-static void __devinit velocity_init_info(struct pci_dev *pdev,
- struct velocity_info *vptr,
- const struct velocity_info_tbl *info)
-{
- memset(vptr, 0, sizeof(struct velocity_info));
+ case FLOW_CNTL_DEFAULT:
+ if (BYTE_REG_BITS_IS_ON(PHYSR0_RXFLC, ®s->PHYSR0))
+ writel(CR0_FDXRFCEN, ®s->CR0Set);
+ else
+ writel(CR0_FDXRFCEN, ®s->CR0Clr);
+
+ if (BYTE_REG_BITS_IS_ON(PHYSR0_TXFLC, ®s->PHYSR0))
+ writel(CR0_FDXTFCEN, ®s->CR0Set);
+ else
+ writel(CR0_FDXTFCEN, ®s->CR0Clr);
+ break;
+
+ case FLOW_CNTL_TX:
+ writel(CR0_FDXTFCEN, ®s->CR0Set);
+ writel(CR0_FDXRFCEN, ®s->CR0Clr);
+ break;
+
+ case FLOW_CNTL_RX:
+ writel(CR0_FDXRFCEN, ®s->CR0Set);
+ writel(CR0_FDXTFCEN, ®s->CR0Clr);
+ break;
+
+ case FLOW_CNTL_TX_RX:
+ writel(CR0_FDXTFCEN, ®s->CR0Set);
+ writel(CR0_FDXRFCEN, ®s->CR0Set);
+ break;
+
+ case FLOW_CNTL_DISABLE:
+ writel(CR0_FDXRFCEN, ®s->CR0Clr);
+ writel(CR0_FDXTFCEN, ®s->CR0Clr);
+ break;
+
+ default:
+ break;
+ }
- vptr->pdev = pdev;
- vptr->chip_id = info->chip_id;
- vptr->tx.numq = info->txqueue;
- vptr->multicast_limit = MCAM_SIZE;
- spin_lock_init(&vptr->lock);
- INIT_LIST_HEAD(&vptr->list);
}
/**
- * velocity_get_pci_info - retrieve PCI info for device
- * @vptr: velocity device
- * @pdev: PCI device it matches
+ * velocity_soft_reset - soft reset
+ * @vptr: velocity to reset
*
- * Retrieve the PCI configuration space data that interests us from
- * the kernel PCI layer
+ * Kick off a soft reset of the velocity adapter and then poll
+ * until the reset sequence has completed before returning.
*/
-
-static int __devinit velocity_get_pci_info(struct velocity_info *vptr, struct pci_dev *pdev)
+static int velocity_soft_reset(struct velocity_info *vptr)
{
- vptr->rev_id = pdev->revision;
-
- pci_set_master(pdev);
-
- vptr->ioaddr = pci_resource_start(pdev, 0);
- vptr->memaddr = pci_resource_start(pdev, 1);
+ struct mac_regs __iomem *regs = vptr->mac_regs;
+ int i = 0;
- if (!(pci_resource_flags(pdev, 0) & IORESOURCE_IO)) {
- dev_err(&pdev->dev,
- "region #0 is not an I/O resource, aborting.\n");
- return -EINVAL;
- }
+ writel(CR0_SFRST, ®s->CR0Set);
- if ((pci_resource_flags(pdev, 1) & IORESOURCE_IO)) {
- dev_err(&pdev->dev,
- "region #1 is an I/O resource, aborting.\n");
- return -EINVAL;
+ for (i = 0; i < W_MAX_TIMEOUT; i++) {
+ udelay(5);
+ if (!DWORD_REG_BITS_IS_ON(CR0_SFRST, ®s->CR0Set))
+ break;
}
- if (pci_resource_len(pdev, 1) < VELOCITY_IO_SIZE) {
- dev_err(&pdev->dev, "region #1 is too small.\n");
- return -EINVAL;
+ if (i == W_MAX_TIMEOUT) {
+ writel(CR0_FORSRST, ®s->CR0Set);
+ /* FIXME: PCI POSTING */
+ /* delay 2ms */
+ mdelay(2);
}
- vptr->pdev = pdev;
-
return 0;
}
/**
- * velocity_init_dma_rings - set up DMA rings
- * @vptr: Velocity to set up
+ * velocity_set_multi - filter list change callback
+ * @dev: network device
*
- * Allocate PCI mapped DMA rings for the receive and transmit layer
- * to use.
- */
-
-static int velocity_init_dma_rings(struct velocity_info *vptr)
-{
- struct velocity_opt *opt = &vptr->options;
- const unsigned int rx_ring_size = opt->numrx * sizeof(struct rx_desc);
- const unsigned int tx_ring_size = opt->numtx * sizeof(struct tx_desc);
- struct pci_dev *pdev = vptr->pdev;
- dma_addr_t pool_dma;
- void *pool;
- unsigned int i;
-
- /*
- * Allocate all RD/TD rings a single pool.
- *
- * pci_alloc_consistent() fulfills the requirement for 64 bytes
- * alignment
- */
- pool = pci_alloc_consistent(pdev, tx_ring_size * vptr->tx.numq +
- rx_ring_size, &pool_dma);
- if (!pool) {
- dev_err(&pdev->dev, "%s : DMA memory allocation failed.\n",
- vptr->dev->name);
- return -ENOMEM;
- }
-
- vptr->rx.ring = pool;
- vptr->rx.pool_dma = pool_dma;
-
- pool += rx_ring_size;
- pool_dma += rx_ring_size;
-
- for (i = 0; i < vptr->tx.numq; i++) {
- vptr->tx.rings[i] = pool;
- vptr->tx.pool_dma[i] = pool_dma;
- pool += tx_ring_size;
- pool_dma += tx_ring_size;
- }
-
- return 0;
-}
-
-/**
- * velocity_free_dma_rings - free PCI ring pointers
- * @vptr: Velocity to free from
- *
- * Clean up the PCI ring buffers allocated to this velocity.
+ * Called by the network layer when the filter lists need to change
+ * for a velocity adapter. Reload the CAMs with the new address
+ * filter ruleset.
*/
-
-static void velocity_free_dma_rings(struct velocity_info *vptr)
-{
- const int size = vptr->options.numrx * sizeof(struct rx_desc) +
- vptr->options.numtx * sizeof(struct tx_desc) * vptr->tx.numq;
-
- pci_free_consistent(vptr->pdev, size, vptr->rx.ring, vptr->rx.pool_dma);
-}
-
-static void velocity_give_many_rx_descs(struct velocity_info *vptr)
+static void velocity_set_multi(struct net_device *dev)
{
+ struct velocity_info *vptr = netdev_priv(dev);
struct mac_regs __iomem *regs = vptr->mac_regs;
- int avail, dirty, unusable;
-
- /*
- * RD number must be equal to 4X per hardware spec
- * (programming guide rev 1.20, p.13)
- */
- if (vptr->rx.filled < 4)
- return;
-
- wmb();
-
- unusable = vptr->rx.filled & 0x0003;
- dirty = vptr->rx.dirty - unusable;
- for (avail = vptr->rx.filled & 0xfffc; avail; avail--) {
- dirty = (dirty > 0) ? dirty - 1 : vptr->options.numrx - 1;
- vptr->rx.ring[dirty].rdesc0.len |= OWNED_BY_NIC;
- }
-
- writew(vptr->rx.filled & 0xfffc, ®s->RBRDU);
- vptr->rx.filled = unusable;
-}
-
-static int velocity_rx_refill(struct velocity_info *vptr)
-{
- int dirty = vptr->rx.dirty, done = 0;
-
- do {
- struct rx_desc *rd = vptr->rx.ring + dirty;
+ u8 rx_mode;
+ int i;
+ struct dev_mc_list *mclist;
- /* Fine for an all zero Rx desc at init time as well */
- if (rd->rdesc0.len & OWNED_BY_NIC)
- break;
+ if (dev->flags & IFF_PROMISC) { /* Set promiscuous. */
+ writel(0xffffffff, ®s->MARCAM[0]);
+ writel(0xffffffff, ®s->MARCAM[4]);
+ rx_mode = (RCR_AM | RCR_AB | RCR_PROM);
+ } else if ((dev->mc_count > vptr->multicast_limit)
+ || (dev->flags & IFF_ALLMULTI)) {
+ writel(0xffffffff, ®s->MARCAM[0]);
+ writel(0xffffffff, ®s->MARCAM[4]);
+ rx_mode = (RCR_AM | RCR_AB);
+ } else {
+ int offset = MCAM_SIZE - vptr->multicast_limit;
+ mac_get_cam_mask(regs, vptr->mCAMmask);
- if (!vptr->rx.info[dirty].skb) {
- if (velocity_alloc_rx_buf(vptr, dirty) < 0)
- break;
+ for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count; i++, mclist = mclist->next) {
+ mac_set_cam(regs, i + offset, mclist->dmi_addr);
+ vptr->mCAMmask[(offset + i) / 8] |= 1 << ((offset + i) & 7);
}
- done++;
- dirty = (dirty < vptr->options.numrx - 1) ? dirty + 1 : 0;
- } while (dirty != vptr->rx.curr);
- if (done) {
- vptr->rx.dirty = dirty;
- vptr->rx.filled += done;
+ mac_set_cam_mask(regs, vptr->mCAMmask);
+ rx_mode = RCR_AM | RCR_AB | RCR_AP;
}
+ if (dev->mtu > 1500)
+ rx_mode |= RCR_AL;
- return done;
-}
+ BYTE_REG_BITS_ON(rx_mode, ®s->RCR);
-static void velocity_set_rxbufsize(struct velocity_info *vptr, int mtu)
-{
- vptr->rx.buf_sz = (mtu <= ETH_DATA_LEN) ? PKT_BUF_SZ : mtu + 32;
}
-/**
- * velocity_init_rd_ring - set up receive ring
- * @vptr: velocity to configure
- *
- * Allocate and set up the receive buffers for each ring slot and
- * assign them to the network adapter.
+/*
+ * MII access , media link mode setting functions
*/
-static int velocity_init_rd_ring(struct velocity_info *vptr)
-{
- int ret = -ENOMEM;
-
- vptr->rx.info = kcalloc(vptr->options.numrx,
- sizeof(struct velocity_rd_info), GFP_KERNEL);
- if (!vptr->rx.info)
- goto out;
-
- velocity_init_rx_ring_indexes(vptr);
-
- if (velocity_rx_refill(vptr) != vptr->options.numrx) {
- VELOCITY_PRT(MSG_LEVEL_ERR, KERN_ERR
- "%s: failed to allocate RX buffer.\n", vptr->dev->name);
- velocity_free_rd_ring(vptr);
- goto out;
- }
-
- ret = 0;
-out:
- return ret;
-}
-
/**
- * velocity_free_rd_ring - free receive ring
- * @vptr: velocity to clean up
+ * mii_init - set up MII
+ * @vptr: velocity adapter
+ * @mii_status: links tatus
*
- * Free the receive buffers for each ring slot and any
- * attached socket buffers that need to go away.
+ * Set up the PHY for the current link state.
*/
-
-static void velocity_free_rd_ring(struct velocity_info *vptr)
+static void mii_init(struct velocity_info *vptr, u32 mii_status)
{
- int i;
-
- if (vptr->rx.info == NULL)
- return;
-
- for (i = 0; i < vptr->options.numrx; i++) {
- struct velocity_rd_info *rd_info = &(vptr->rx.info[i]);
- struct rx_desc *rd = vptr->rx.ring + i;
-
- memset(rd, 0, sizeof(*rd));
+ u16 BMCR;
- if (!rd_info->skb)
- continue;
- pci_unmap_single(vptr->pdev, rd_info->skb_dma, vptr->rx.buf_sz,
- PCI_DMA_FROMDEVICE);
- rd_info->skb_dma = 0;
+ switch (PHYID_GET_PHY_ID(vptr->phy_id)) {
+ case PHYID_CICADA_CS8201:
+ /*
+ * Reset to hardware default
+ */
+ MII_REG_BITS_OFF((ANAR_ASMDIR | ANAR_PAUSE), MII_REG_ANAR, vptr->mac_regs);
+ /*
+ * Turn on ECHODIS bit in NWay-forced full mode and turn it
+ * off it in NWay-forced half mode for NWay-forced v.s.
+ * legacy-forced issue.
+ */
+ if (vptr->mii_status & VELOCITY_DUPLEX_FULL)
+ MII_REG_BITS_ON(TCSR_ECHODIS, MII_REG_TCSR, vptr->mac_regs);
+ else
+ MII_REG_BITS_OFF(TCSR_ECHODIS, MII_REG_TCSR, vptr->mac_regs);
+ /*
+ * Turn on Link/Activity LED enable bit for CIS8201
+ */
+ MII_REG_BITS_ON(PLED_LALBE, MII_REG_PLED, vptr->mac_regs);
+ break;
+ case PHYID_VT3216_32BIT:
+ case PHYID_VT3216_64BIT:
+ /*
+ * Reset to hardware default
+ */
+ MII_REG_BITS_ON((ANAR_ASMDIR | ANAR_PAUSE), MII_REG_ANAR, vptr->mac_regs);
+ /*
+ * Turn on ECHODIS bit in NWay-forced full mode and turn it
+ * off it in NWay-forced half mode for NWay-forced v.s.
+ * legacy-forced issue
+ */
+ if (vptr->mii_status & VELOCITY_DUPLEX_FULL)
+ MII_REG_BITS_ON(TCSR_ECHODIS, MII_REG_TCSR, vptr->mac_regs);
+ else
+ MII_REG_BITS_OFF(TCSR_ECHODIS, MII_REG_TCSR, vptr->mac_regs);
+ break;
- dev_kfree_skb(rd_info->skb);
- rd_info->skb = NULL;
+ case PHYID_MARVELL_1000:
+ case PHYID_MARVELL_1000S:
+ /*
+ * Assert CRS on Transmit
+ */
+ MII_REG_BITS_ON(PSCR_ACRSTX, MII_REG_PSCR, vptr->mac_regs);
+ /*
+ * Reset to hardware default
+ */
+ MII_REG_BITS_ON((ANAR_ASMDIR | ANAR_PAUSE), MII_REG_ANAR, vptr->mac_regs);
+ break;
+ default:
+ ;
+ }
+ velocity_mii_read(vptr->mac_regs, MII_REG_BMCR, &BMCR);
+ if (BMCR & BMCR_ISO) {
+ BMCR &= ~BMCR_ISO;
+ velocity_mii_write(vptr->mac_regs, MII_REG_BMCR, BMCR);
}
-
- kfree(vptr->rx.info);
- vptr->rx.info = NULL;
}
+
/**
- * velocity_init_td_ring - set up transmit ring
- * @vptr: velocity
+ * velocity_init_registers - initialise MAC registers
+ * @vptr: velocity to init
+ * @type: type of initialisation (hot or cold)
*
- * Set up the transmit ring and chain the ring pointers together.
- * Returns zero on success or a negative posix errno code for
- * failure.
+ * Initialise the MAC on a reset or on first set up on the
+ * hardware.
*/
-
-static int velocity_init_td_ring(struct velocity_info *vptr)
+static void velocity_init_registers(struct velocity_info *vptr,
+ enum velocity_init_type type)
{
- dma_addr_t curr;
- int j;
-
- /* Init the TD ring entries */
- for (j = 0; j < vptr->tx.numq; j++) {
- curr = vptr->tx.pool_dma[j];
-
- vptr->tx.infos[j] = kcalloc(vptr->options.numtx,
- sizeof(struct velocity_td_info),
- GFP_KERNEL);
- if (!vptr->tx.infos[j]) {
- while (--j >= 0)
- kfree(vptr->tx.infos[j]);
- return -ENOMEM;
- }
+ struct mac_regs __iomem *regs = vptr->mac_regs;
+ int i, mii_status;
- vptr->tx.tail[j] = vptr->tx.curr[j] = vptr->tx.used[j] = 0;
- }
- return 0;
-}
+ mac_wol_reset(regs);
-/*
- * FIXME: could we merge this with velocity_free_tx_buf ?
- */
+ switch (type) {
+ case VELOCITY_INIT_RESET:
+ case VELOCITY_INIT_WOL:
-static void velocity_free_td_ring_entry(struct velocity_info *vptr,
- int q, int n)
-{
- struct velocity_td_info *td_info = &(vptr->tx.infos[q][n]);
- int i;
+ netif_stop_queue(vptr->dev);
- if (td_info == NULL)
- return;
+ /*
+ * Reset RX to prevent RX pointer not on the 4X location
+ */
+ velocity_rx_reset(vptr);
+ mac_rx_queue_run(regs);
+ mac_rx_queue_wake(regs);
- if (td_info->skb) {
- for (i = 0; i < td_info->nskb_dma; i++) {
- if (td_info->skb_dma[i]) {
- pci_unmap_single(vptr->pdev, td_info->skb_dma[i],
- td_info->skb->len, PCI_DMA_TODEVICE);
- td_info->skb_dma[i] = 0;
- }
+ mii_status = velocity_get_opt_media_mode(vptr);
+ if (velocity_set_media_mode(vptr, mii_status) != VELOCITY_LINK_CHANGE) {
+ velocity_print_link_status(vptr);
+ if (!(vptr->mii_status & VELOCITY_LINK_FAIL))
+ netif_wake_queue(vptr->dev);
}
- dev_kfree_skb(td_info->skb);
- td_info->skb = NULL;
- }
-}
-
-/**
- * velocity_free_td_ring - free td ring
- * @vptr: velocity
- *
- * Free up the transmit ring for this particular velocity adapter.
- * We free the ring contents but not the ring itself.
- */
-
-static void velocity_free_td_ring(struct velocity_info *vptr)
-{
- int i, j;
-
- for (j = 0; j < vptr->tx.numq; j++) {
- if (vptr->tx.infos[j] == NULL)
- continue;
- for (i = 0; i < vptr->options.numtx; i++)
- velocity_free_td_ring_entry(vptr, j, i);
- kfree(vptr->tx.infos[j]);
- vptr->tx.infos[j] = NULL;
- }
-}
+ enable_flow_control_ability(vptr);
-/**
- * velocity_rx_srv - service RX interrupt
- * @vptr: velocity
- * @status: adapter status (unused)
- *
- * Walk the receive ring of the velocity adapter and remove
- * any received packets from the receive queue. Hand the ring
- * slots back to the adapter for reuse.
- */
+ mac_clear_isr(regs);
+ writel(CR0_STOP, ®s->CR0Clr);
+ writel((CR0_DPOLL | CR0_TXON | CR0_RXON | CR0_STRT),
+ ®s->CR0Set);
-static int velocity_rx_srv(struct velocity_info *vptr, int status)
-{
- struct net_device_stats *stats = &vptr->dev->stats;
- int rd_curr = vptr->rx.curr;
- int works = 0;
+ break;
- do {
- struct rx_desc *rd = vptr->rx.ring + rd_curr;
+ case VELOCITY_INIT_COLD:
+ default:
+ /*
+ * Do reset
+ */
+ velocity_soft_reset(vptr);
+ mdelay(5);
- if (!vptr->rx.info[rd_curr].skb)
- break;
+ mac_eeprom_reload(regs);
+ for (i = 0; i < 6; i++)
+ writeb(vptr->dev->dev_addr[i], &(regs->PAR[i]));
- if (rd->rdesc0.len & OWNED_BY_NIC)
- break;
+ /*
+ * clear Pre_ACPI bit.
+ */
+ BYTE_REG_BITS_OFF(CFGA_PACPI, &(regs->CFGA));
+ mac_set_rx_thresh(regs, vptr->options.rx_thresh);
+ mac_set_dma_length(regs, vptr->options.DMA_length);
- rmb();
+ writeb(WOLCFG_SAM | WOLCFG_SAB, ®s->WOLCFGSet);
+ /*
+ * Back off algorithm use original IEEE standard
+ */
+ BYTE_REG_BITS_SET(CFGB_OFSET, (CFGB_CRANDOM | CFGB_CAP | CFGB_MBA | CFGB_BAKOPT), ®s->CFGB);
/*
- * Don't drop CE or RL error frame although RXOK is off
+ * Init CAM filter
*/
- if (rd->rdesc0.RSR & (RSR_RXOK | RSR_CE | RSR_RL)) {
- if (velocity_receive_frame(vptr, rd_curr) < 0)
- stats->rx_dropped++;
- } else {
- if (rd->rdesc0.RSR & RSR_CRC)
- stats->rx_crc_errors++;
- if (rd->rdesc0.RSR & RSR_FAE)
- stats->rx_frame_errors++;
+ velocity_init_cam_filter(vptr);
- stats->rx_dropped++;
- }
+ /*
+ * Set packet filter: Receive directed and broadcast address
+ */
+ velocity_set_multi(vptr->dev);
- rd->size |= RX_INTEN;
+ /*
+ * Enable MII auto-polling
+ */
+ enable_mii_autopoll(regs);
- rd_curr++;
- if (rd_curr >= vptr->options.numrx)
- rd_curr = 0;
- } while (++works <= 15);
+ vptr->int_mask = INT_MASK_DEF;
- vptr->rx.curr = rd_curr;
+ writel(vptr->rx.pool_dma, ®s->RDBaseLo);
+ writew(vptr->options.numrx - 1, ®s->RDCSize);
+ mac_rx_queue_run(regs);
+ mac_rx_queue_wake(regs);
- if ((works > 0) && (velocity_rx_refill(vptr) > 0))
- velocity_give_many_rx_descs(vptr);
+ writew(vptr->options.numtx - 1, ®s->TDCSize);
- VAR_USED(stats);
- return works;
-}
+ for (i = 0; i < vptr->tx.numq; i++) {
+ writel(vptr->tx.pool_dma[i], ®s->TDBaseLo[i]);
+ mac_tx_queue_run(regs, i);
+ }
-/**
- * velocity_rx_csum - checksum process
- * @rd: receive packet descriptor
- * @skb: network layer packet buffer
- *
- * Process the status bits for the received packet and determine
- * if the checksum was computed and verified by the hardware
- */
+ init_flow_control_register(vptr);
-static inline void velocity_rx_csum(struct rx_desc *rd, struct sk_buff *skb)
-{
- skb->ip_summed = CHECKSUM_NONE;
+ writel(CR0_STOP, ®s->CR0Clr);
+ writel((CR0_DPOLL | CR0_TXON | CR0_RXON | CR0_STRT), ®s->CR0Set);
- if (rd->rdesc1.CSM & CSM_IPKT) {
- if (rd->rdesc1.CSM & CSM_IPOK) {
- if ((rd->rdesc1.CSM & CSM_TCPKT) ||
- (rd->rdesc1.CSM & CSM_UDPKT)) {
- if (!(rd->rdesc1.CSM & CSM_TUPOK))
- return;
- }
- skb->ip_summed = CHECKSUM_UNNECESSARY;
- }
- }
-}
+ mii_status = velocity_get_opt_media_mode(vptr);
+ netif_stop_queue(vptr->dev);
-/**
- * velocity_rx_copy - in place Rx copy for small packets
- * @rx_skb: network layer packet buffer candidate
- * @pkt_size: received data size
- * @rd: receive packet descriptor
- * @dev: network device
- *
- * Replace the current skb that is scheduled for Rx processing by a
- * shorter, immediatly allocated skb, if the received packet is small
- * enough. This function returns a negative value if the received
- * packet is too big or if memory is exhausted.
- */
-static int velocity_rx_copy(struct sk_buff **rx_skb, int pkt_size,
- struct velocity_info *vptr)
-{
- int ret = -1;
- if (pkt_size < rx_copybreak) {
- struct sk_buff *new_skb;
+ mii_init(vptr, mii_status);
- new_skb = netdev_alloc_skb(vptr->dev, pkt_size + 2);
- if (new_skb) {
- new_skb->ip_summed = rx_skb[0]->ip_summed;
- skb_reserve(new_skb, 2);
- skb_copy_from_linear_data(*rx_skb, new_skb->data, pkt_size);
- *rx_skb = new_skb;
- ret = 0;
+ if (velocity_set_media_mode(vptr, mii_status) != VELOCITY_LINK_CHANGE) {
+ velocity_print_link_status(vptr);
+ if (!(vptr->mii_status & VELOCITY_LINK_FAIL))
+ netif_wake_queue(vptr->dev);
}
+ enable_flow_control_ability(vptr);
+ mac_hw_mibs_init(regs);
+ mac_write_int_mask(vptr->int_mask, regs);
+ mac_clear_isr(regs);
+
}
- return ret;
}
-/**
- * velocity_iph_realign - IP header alignment
- * @vptr: velocity we are handling
- * @skb: network layer packet buffer
- * @pkt_size: received data size
- *
- * Align IP header on a 2 bytes boundary. This behavior can be
- * configured by the user.
- */
-static inline void velocity_iph_realign(struct velocity_info *vptr,
- struct sk_buff *skb, int pkt_size)
+static void velocity_give_many_rx_descs(struct velocity_info *vptr)
{
- if (vptr->flags & VELOCITY_FLAGS_IP_ALIGN) {
- memmove(skb->data + 2, skb->data, pkt_size);
- skb_reserve(skb, 2);
+ struct mac_regs __iomem *regs = vptr->mac_regs;
+ int avail, dirty, unusable;
+
+ /*
+ * RD number must be equal to 4X per hardware spec
+ * (programming guide rev 1.20, p.13)
+ */
+ if (vptr->rx.filled < 4)
+ return;
+
+ wmb();
+
+ unusable = vptr->rx.filled & 0x0003;
+ dirty = vptr->rx.dirty - unusable;
+ for (avail = vptr->rx.filled & 0xfffc; avail; avail--) {
+ dirty = (dirty > 0) ? dirty - 1 : vptr->options.numrx - 1;
+ vptr->rx.ring[dirty].rdesc0.len |= OWNED_BY_NIC;
}
+
+ writew(vptr->rx.filled & 0xfffc, ®s->RBRDU);
+ vptr->rx.filled = unusable;
}
/**
- * velocity_receive_frame - received packet processor
- * @vptr: velocity we are handling
- * @idx: ring index
+ * velocity_init_dma_rings - set up DMA rings
+ * @vptr: Velocity to set up
*
- * A packet has arrived. We process the packet and if appropriate
- * pass the frame up the network stack
+ * Allocate PCI mapped DMA rings for the receive and transmit layer
+ * to use.
*/
-
-static int velocity_receive_frame(struct velocity_info *vptr, int idx)
+static int velocity_init_dma_rings(struct velocity_info *vptr)
{
- void (*pci_action)(struct pci_dev *, dma_addr_t, size_t, int);
- struct net_device_stats *stats = &vptr->dev->stats;
- struct velocity_rd_info *rd_info = &(vptr->rx.info[idx]);
- struct rx_desc *rd = &(vptr->rx.ring[idx]);
- int pkt_len = le16_to_cpu(rd->rdesc0.len) & 0x3fff;
- struct sk_buff *skb;
-
- if (rd->rdesc0.RSR & (RSR_STP | RSR_EDP)) {
- VELOCITY_PRT(MSG_LEVEL_VERBOSE, KERN_ERR " %s : the received frame span multple RDs.\n", vptr->dev->name);
- stats->rx_length_errors++;
- return -EINVAL;
- }
-
- if (rd->rdesc0.RSR & RSR_MAR)
- stats->multicast++;
-
- skb = rd_info->skb;
-
- pci_dma_sync_single_for_cpu(vptr->pdev, rd_info->skb_dma,
- vptr->rx.buf_sz, PCI_DMA_FROMDEVICE);
+ struct velocity_opt *opt = &vptr->options;
+ const unsigned int rx_ring_size = opt->numrx * sizeof(struct rx_desc);
+ const unsigned int tx_ring_size = opt->numtx * sizeof(struct tx_desc);
+ struct pci_dev *pdev = vptr->pdev;
+ dma_addr_t pool_dma;
+ void *pool;
+ unsigned int i;
/*
- * Drop frame not meeting IEEE 802.3
+ * Allocate all RD/TD rings a single pool.
+ *
+ * pci_alloc_consistent() fulfills the requirement for 64 bytes
+ * alignment
*/
-
- if (vptr->flags & VELOCITY_FLAGS_VAL_PKT_LEN) {
- if (rd->rdesc0.RSR & RSR_RL) {
- stats->rx_length_errors++;
- return -EINVAL;
- }
- }
-
- pci_action = pci_dma_sync_single_for_device;
-
- velocity_rx_csum(rd, skb);
-
- if (velocity_rx_copy(&skb, pkt_len, vptr) < 0) {
- velocity_iph_realign(vptr, skb, pkt_len);
- pci_action = pci_unmap_single;
- rd_info->skb = NULL;
+ pool = pci_alloc_consistent(pdev, tx_ring_size * vptr->tx.numq +
+ rx_ring_size, &pool_dma);
+ if (!pool) {
+ dev_err(&pdev->dev, "%s : DMA memory allocation failed.\n",
+ vptr->dev->name);
+ return -ENOMEM;
}
- pci_action(vptr->pdev, rd_info->skb_dma, vptr->rx.buf_sz,
- PCI_DMA_FROMDEVICE);
-
- skb_put(skb, pkt_len - 4);
- skb->protocol = eth_type_trans(skb, vptr->dev);
+ vptr->rx.ring = pool;
+ vptr->rx.pool_dma = pool_dma;
- if (vptr->vlgrp && (rd->rdesc0.RSR & RSR_DETAG)) {
- vlan_hwaccel_rx(skb, vptr->vlgrp,
- swab16(le16_to_cpu(rd->rdesc1.PQTAG)));
- } else
- netif_rx(skb);
+ pool += rx_ring_size;
+ pool_dma += rx_ring_size;
- stats->rx_bytes += pkt_len;
+ for (i = 0; i < vptr->tx.numq; i++) {
+ vptr->tx.rings[i] = pool;
+ vptr->tx.pool_dma[i] = pool_dma;
+ pool += tx_ring_size;
+ pool_dma += tx_ring_size;
+ }
return 0;
}
+static void velocity_set_rxbufsize(struct velocity_info *vptr, int mtu)
+{
+ vptr->rx.buf_sz = (mtu <= ETH_DATA_LEN) ? PKT_BUF_SZ : mtu + 32;
+}
+
/**
* velocity_alloc_rx_buf - allocate aligned receive buffer
* @vptr: velocity
* requires *64* byte alignment of the buffer which makes life
* less fun than would be ideal.
*/
-
static int velocity_alloc_rx_buf(struct velocity_info *vptr, int idx)
{
struct rx_desc *rd = &(vptr->rx.ring[idx]);
return 0;
}
-/**
- * tx_srv - transmit interrupt service
- * @vptr; Velocity
- * @status:
- *
- * Scan the queues looking for transmitted packets that
- * we can complete and clean up. Update any statistics as
- * necessary/
- */
-static int velocity_tx_srv(struct velocity_info *vptr, u32 status)
+static int velocity_rx_refill(struct velocity_info *vptr)
{
- struct tx_desc *td;
- int qnum;
- int full = 0;
- int idx;
- int works = 0;
- struct velocity_td_info *tdinfo;
- struct net_device_stats *stats = &vptr->dev->stats;
-
- for (qnum = 0; qnum < vptr->tx.numq; qnum++) {
- for (idx = vptr->tx.tail[qnum]; vptr->tx.used[qnum] > 0;
- idx = (idx + 1) % vptr->options.numtx) {
+ int dirty = vptr->rx.dirty, done = 0;
- /*
- * Get Tx Descriptor
- */
- td = &(vptr->tx.rings[qnum][idx]);
- tdinfo = &(vptr->tx.infos[qnum][idx]);
+ do {
+ struct rx_desc *rd = vptr->rx.ring + dirty;
- if (td->tdesc0.len & OWNED_BY_NIC)
- break;
+ /* Fine for an all zero Rx desc at init time as well */
+ if (rd->rdesc0.len & OWNED_BY_NIC)
+ break;
- if ((works++ > 15))
+ if (!vptr->rx.info[dirty].skb) {
+ if (velocity_alloc_rx_buf(vptr, dirty) < 0)
break;
-
- if (td->tdesc0.TSR & TSR0_TERR) {
- stats->tx_errors++;
- stats->tx_dropped++;
- if (td->tdesc0.TSR & TSR0_CDH)
- stats->tx_heartbeat_errors++;
- if (td->tdesc0.TSR & TSR0_CRS)
- stats->tx_carrier_errors++;
- if (td->tdesc0.TSR & TSR0_ABT)
- stats->tx_aborted_errors++;
- if (td->tdesc0.TSR & TSR0_OWC)
- stats->tx_window_errors++;
- } else {
- stats->tx_packets++;
- stats->tx_bytes += tdinfo->skb->len;
- }
- velocity_free_tx_buf(vptr, tdinfo);
- vptr->tx.used[qnum]--;
}
- vptr->tx.tail[qnum] = idx;
+ done++;
+ dirty = (dirty < vptr->options.numrx - 1) ? dirty + 1 : 0;
+ } while (dirty != vptr->rx.curr);
- if (AVAIL_TD(vptr, qnum) < 1)
- full = 1;
- }
- /*
- * Look to see if we should kick the transmit network
- * layer for more work.
- */
- if (netif_queue_stopped(vptr->dev) && (full == 0)
- && (!(vptr->mii_status & VELOCITY_LINK_FAIL))) {
- netif_wake_queue(vptr->dev);
+ if (done) {
+ vptr->rx.dirty = dirty;
+ vptr->rx.filled += done;
}
- return works;
+
+ return done;
}
/**
- * velocity_print_link_status - link status reporting
- * @vptr: velocity to report on
+ * velocity_free_rd_ring - free receive ring
+ * @vptr: velocity to clean up
*
- * Turn the link status of the velocity card into a kernel log
- * description of the new link state, detailing speed and duplex
- * status
+ * Free the receive buffers for each ring slot and any
+ * attached socket buffers that need to go away.
*/
-
-static void velocity_print_link_status(struct velocity_info *vptr)
+static void velocity_free_rd_ring(struct velocity_info *vptr)
{
+ int i;
- if (vptr->mii_status & VELOCITY_LINK_FAIL) {
- VELOCITY_PRT(MSG_LEVEL_INFO, KERN_NOTICE "%s: failed to detect cable link\n", vptr->dev->name);
- } else if (vptr->options.spd_dpx == SPD_DPX_AUTO) {
- VELOCITY_PRT(MSG_LEVEL_INFO, KERN_NOTICE "%s: Link auto-negotiation", vptr->dev->name);
-
- if (vptr->mii_status & VELOCITY_SPEED_1000)
- VELOCITY_PRT(MSG_LEVEL_INFO, " speed 1000M bps");
- else if (vptr->mii_status & VELOCITY_SPEED_100)
- VELOCITY_PRT(MSG_LEVEL_INFO, " speed 100M bps");
- else
- VELOCITY_PRT(MSG_LEVEL_INFO, " speed 10M bps");
-
- if (vptr->mii_status & VELOCITY_DUPLEX_FULL)
- VELOCITY_PRT(MSG_LEVEL_INFO, " full duplex\n");
- else
- VELOCITY_PRT(MSG_LEVEL_INFO, " half duplex\n");
- } else {
- VELOCITY_PRT(MSG_LEVEL_INFO, KERN_NOTICE "%s: Link forced", vptr->dev->name);
- switch (vptr->options.spd_dpx) {
- case SPD_DPX_100_HALF:
- VELOCITY_PRT(MSG_LEVEL_INFO, " speed 100M bps half duplex\n");
- break;
- case SPD_DPX_100_FULL:
- VELOCITY_PRT(MSG_LEVEL_INFO, " speed 100M bps full duplex\n");
- break;
- case SPD_DPX_10_HALF:
- VELOCITY_PRT(MSG_LEVEL_INFO, " speed 10M bps half duplex\n");
- break;
- case SPD_DPX_10_FULL:
- VELOCITY_PRT(MSG_LEVEL_INFO, " speed 10M bps full duplex\n");
- break;
- default:
- break;
- }
- }
-}
-
-/**
- * velocity_error - handle error from controller
- * @vptr: velocity
- * @status: card status
- *
- * Process an error report from the hardware and attempt to recover
- * the card itself. At the moment we cannot recover from some
- * theoretically impossible errors but this could be fixed using
- * the pci_device_failed logic to bounce the hardware
- *
- */
+ if (vptr->rx.info == NULL)
+ return;
-static void velocity_error(struct velocity_info *vptr, int status)
-{
+ for (i = 0; i < vptr->options.numrx; i++) {
+ struct velocity_rd_info *rd_info = &(vptr->rx.info[i]);
+ struct rx_desc *rd = vptr->rx.ring + i;
- if (status & ISR_TXSTLI) {
- struct mac_regs __iomem *regs = vptr->mac_regs;
+ memset(rd, 0, sizeof(*rd));
- printk(KERN_ERR "TD structure error TDindex=%hx\n", readw(®s->TDIdx[0]));
- BYTE_REG_BITS_ON(TXESR_TDSTR, ®s->TXESR);
- writew(TRDCSR_RUN, ®s->TDCSRClr);
- netif_stop_queue(vptr->dev);
+ if (!rd_info->skb)
+ continue;
+ pci_unmap_single(vptr->pdev, rd_info->skb_dma, vptr->rx.buf_sz,
+ PCI_DMA_FROMDEVICE);
+ rd_info->skb_dma = 0;
- /* FIXME: port over the pci_device_failed code and use it
- here */
+ dev_kfree_skb(rd_info->skb);
+ rd_info->skb = NULL;
}
- if (status & ISR_SRCI) {
- struct mac_regs __iomem *regs = vptr->mac_regs;
- int linked;
-
- if (vptr->options.spd_dpx == SPD_DPX_AUTO) {
- vptr->mii_status = check_connection_type(regs);
+ kfree(vptr->rx.info);
+ vptr->rx.info = NULL;
+}
- /*
- * If it is a 3119, disable frame bursting in
- * halfduplex mode and enable it in fullduplex
- * mode
- */
- if (vptr->rev_id < REV_ID_VT3216_A0) {
- if (vptr->mii_status | VELOCITY_DUPLEX_FULL)
- BYTE_REG_BITS_ON(TCR_TB2BDIS, ®s->TCR);
- else
- BYTE_REG_BITS_OFF(TCR_TB2BDIS, ®s->TCR);
- }
- /*
- * Only enable CD heart beat counter in 10HD mode
- */
- if (!(vptr->mii_status & VELOCITY_DUPLEX_FULL) && (vptr->mii_status & VELOCITY_SPEED_10))
- BYTE_REG_BITS_OFF(TESTCFG_HBDIS, ®s->TESTCFG);
- else
- BYTE_REG_BITS_ON(TESTCFG_HBDIS, ®s->TESTCFG);
- }
- /*
- * Get link status from PHYSR0
- */
- linked = readb(®s->PHYSR0) & PHYSR0_LINKGD;
- if (linked) {
- vptr->mii_status &= ~VELOCITY_LINK_FAIL;
- netif_carrier_on(vptr->dev);
- } else {
- vptr->mii_status |= VELOCITY_LINK_FAIL;
- netif_carrier_off(vptr->dev);
- }
- velocity_print_link_status(vptr);
- enable_flow_control_ability(vptr);
+/**
+ * velocity_init_rd_ring - set up receive ring
+ * @vptr: velocity to configure
+ *
+ * Allocate and set up the receive buffers for each ring slot and
+ * assign them to the network adapter.
+ */
+static int velocity_init_rd_ring(struct velocity_info *vptr)
+{
+ int ret = -ENOMEM;
- /*
- * Re-enable auto-polling because SRCI will disable
- * auto-polling
- */
+ vptr->rx.info = kcalloc(vptr->options.numrx,
+ sizeof(struct velocity_rd_info), GFP_KERNEL);
+ if (!vptr->rx.info)
+ goto out;
- enable_mii_autopoll(regs);
+ velocity_init_rx_ring_indexes(vptr);
- if (vptr->mii_status & VELOCITY_LINK_FAIL)
- netif_stop_queue(vptr->dev);
- else
- netif_wake_queue(vptr->dev);
+ if (velocity_rx_refill(vptr) != vptr->options.numrx) {
+ VELOCITY_PRT(MSG_LEVEL_ERR, KERN_ERR
+ "%s: failed to allocate RX buffer.\n", vptr->dev->name);
+ velocity_free_rd_ring(vptr);
+ goto out;
+ }
- };
- if (status & ISR_MIBFI)
- velocity_update_hw_mibs(vptr);
- if (status & ISR_LSTEI)
- mac_rx_queue_wake(vptr->mac_regs);
+ ret = 0;
+out:
+ return ret;
}
/**
- * velocity_free_tx_buf - free transmit buffer
- * @vptr: velocity
- * @tdinfo: buffer
+ * velocity_init_td_ring - set up transmit ring
+ * @vptr: velocity
*
- * Release an transmit buffer. If the buffer was preallocated then
- * recycle it, if not then unmap the buffer.
+ * Set up the transmit ring and chain the ring pointers together.
+ * Returns zero on success or a negative posix errno code for
+ * failure.
*/
-
-static void velocity_free_tx_buf(struct velocity_info *vptr, struct velocity_td_info *tdinfo)
+static int velocity_init_td_ring(struct velocity_info *vptr)
{
- struct sk_buff *skb = tdinfo->skb;
- int i;
- int pktlen;
+ dma_addr_t curr;
+ int j;
- /*
- * Don't unmap the pre-allocated tx_bufs
- */
- if (tdinfo->skb_dma) {
+ /* Init the TD ring entries */
+ for (j = 0; j < vptr->tx.numq; j++) {
+ curr = vptr->tx.pool_dma[j];
- pktlen = max_t(unsigned int, skb->len, ETH_ZLEN);
- for (i = 0; i < tdinfo->nskb_dma; i++) {
- pci_unmap_single(vptr->pdev, tdinfo->skb_dma[i], pktlen, PCI_DMA_TODEVICE);
- tdinfo->skb_dma[i] = 0;
+ vptr->tx.infos[j] = kcalloc(vptr->options.numtx,
+ sizeof(struct velocity_td_info),
+ GFP_KERNEL);
+ if (!vptr->tx.infos[j]) {
+ while (--j >= 0)
+ kfree(vptr->tx.infos[j]);
+ return -ENOMEM;
}
+
+ vptr->tx.tail[j] = vptr->tx.curr[j] = vptr->tx.used[j] = 0;
}
- dev_kfree_skb_irq(skb);
- tdinfo->skb = NULL;
+ return 0;
+}
+
+/**
+ * velocity_free_dma_rings - free PCI ring pointers
+ * @vptr: Velocity to free from
+ *
+ * Clean up the PCI ring buffers allocated to this velocity.
+ */
+static void velocity_free_dma_rings(struct velocity_info *vptr)
+{
+ const int size = vptr->options.numrx * sizeof(struct rx_desc) +
+ vptr->options.numtx * sizeof(struct tx_desc) * vptr->tx.numq;
+
+ pci_free_consistent(vptr->pdev, size, vptr->rx.ring, vptr->rx.pool_dma);
}
+
static int velocity_init_rings(struct velocity_info *vptr, int mtu)
{
int ret;
goto out;
}
-static void velocity_free_rings(struct velocity_info *vptr)
-{
- velocity_free_td_ring(vptr);
- velocity_free_rd_ring(vptr);
- velocity_free_dma_rings(vptr);
-}
-
/**
- * velocity_open - interface activation callback
- * @dev: network layer device to open
- *
- * Called when the network layer brings the interface up. Returns
- * a negative posix error code on failure, or zero on success.
+ * velocity_free_tx_buf - free transmit buffer
+ * @vptr: velocity
+ * @tdinfo: buffer
*
- * All the ring allocation and set up is done on open for this
- * adapter to minimise memory usage when inactive
+ * Release an transmit buffer. If the buffer was preallocated then
+ * recycle it, if not then unmap the buffer.
*/
-
-static int velocity_open(struct net_device *dev)
+static void velocity_free_tx_buf(struct velocity_info *vptr, struct velocity_td_info *tdinfo)
{
- struct velocity_info *vptr = netdev_priv(dev);
- int ret;
-
- ret = velocity_init_rings(vptr, dev->mtu);
- if (ret < 0)
- goto out;
-
- /* Ensure chip is running */
- pci_set_power_state(vptr->pdev, PCI_D0);
-
- velocity_give_many_rx_descs(vptr);
+ struct sk_buff *skb = tdinfo->skb;
+ int i;
+ int pktlen;
- velocity_init_registers(vptr, VELOCITY_INIT_COLD);
+ /*
+ * Don't unmap the pre-allocated tx_bufs
+ */
+ if (tdinfo->skb_dma) {
- ret = request_irq(vptr->pdev->irq, &velocity_intr, IRQF_SHARED,
- dev->name, dev);
- if (ret < 0) {
- /* Power down the chip */
- pci_set_power_state(vptr->pdev, PCI_D3hot);
- velocity_free_rings(vptr);
- goto out;
+ pktlen = max_t(unsigned int, skb->len, ETH_ZLEN);
+ for (i = 0; i < tdinfo->nskb_dma; i++) {
+ pci_unmap_single(vptr->pdev, tdinfo->skb_dma[i], pktlen, PCI_DMA_TODEVICE);
+ tdinfo->skb_dma[i] = 0;
+ }
}
-
- mac_enable_int(vptr->mac_regs);
- netif_start_queue(dev);
- vptr->flags |= VELOCITY_FLAGS_OPENED;
-out:
- return ret;
+ dev_kfree_skb_irq(skb);
+ tdinfo->skb = NULL;
}
-/**
- * velocity_change_mtu - MTU change callback
- * @dev: network device
- * @new_mtu: desired MTU
- *
- * Handle requests from the networking layer for MTU change on
- * this interface. It gets called on a change by the network layer.
- * Return zero for success or negative posix error code.
- */
-static int velocity_change_mtu(struct net_device *dev, int new_mtu)
+/*
+ * FIXME: could we merge this with velocity_free_tx_buf ?
+ */
+static void velocity_free_td_ring_entry(struct velocity_info *vptr,
+ int q, int n)
{
- struct velocity_info *vptr = netdev_priv(dev);
- int ret = 0;
-
- if ((new_mtu < VELOCITY_MIN_MTU) || new_mtu > (VELOCITY_MAX_MTU)) {
- VELOCITY_PRT(MSG_LEVEL_ERR, KERN_NOTICE "%s: Invalid MTU.\n",
- vptr->dev->name);
- ret = -EINVAL;
- goto out_0;
- }
-
- if (!netif_running(dev)) {
- dev->mtu = new_mtu;
- goto out_0;
- }
+ struct velocity_td_info *td_info = &(vptr->tx.infos[q][n]);
+ int i;
- if (dev->mtu != new_mtu) {
- struct velocity_info *tmp_vptr;
- unsigned long flags;
- struct rx_info rx;
- struct tx_info tx;
+ if (td_info == NULL)
+ return;
- tmp_vptr = kzalloc(sizeof(*tmp_vptr), GFP_KERNEL);
- if (!tmp_vptr) {
- ret = -ENOMEM;
- goto out_0;
+ if (td_info->skb) {
+ for (i = 0; i < td_info->nskb_dma; i++) {
+ if (td_info->skb_dma[i]) {
+ pci_unmap_single(vptr->pdev, td_info->skb_dma[i],
+ td_info->skb->len, PCI_DMA_TODEVICE);
+ td_info->skb_dma[i] = 0;
+ }
}
-
- tmp_vptr->dev = dev;
- tmp_vptr->pdev = vptr->pdev;
- tmp_vptr->options = vptr->options;
- tmp_vptr->tx.numq = vptr->tx.numq;
-
- ret = velocity_init_rings(tmp_vptr, new_mtu);
- if (ret < 0)
- goto out_free_tmp_vptr_1;
-
- spin_lock_irqsave(&vptr->lock, flags);
-
- netif_stop_queue(dev);
- velocity_shutdown(vptr);
-
- rx = vptr->rx;
- tx = vptr->tx;
-
- vptr->rx = tmp_vptr->rx;
- vptr->tx = tmp_vptr->tx;
-
- tmp_vptr->rx = rx;
- tmp_vptr->tx = tx;
-
- dev->mtu = new_mtu;
-
- velocity_give_many_rx_descs(vptr);
-
- velocity_init_registers(vptr, VELOCITY_INIT_COLD);
-
- mac_enable_int(vptr->mac_regs);
- netif_start_queue(dev);
-
- spin_unlock_irqrestore(&vptr->lock, flags);
-
- velocity_free_rings(tmp_vptr);
-
-out_free_tmp_vptr_1:
- kfree(tmp_vptr);
+ dev_kfree_skb(td_info->skb);
+ td_info->skb = NULL;
}
-out_0:
- return ret;
-}
-
-/**
- * velocity_shutdown - shut down the chip
- * @vptr: velocity to deactivate
- *
- * Shuts down the internal operations of the velocity and
- * disables interrupts, autopolling, transmit and receive
- */
-
-static void velocity_shutdown(struct velocity_info *vptr)
-{
- struct mac_regs __iomem *regs = vptr->mac_regs;
- mac_disable_int(regs);
- writel(CR0_STOP, ®s->CR0Set);
- writew(0xFFFF, ®s->TDCSRClr);
- writeb(0xFF, ®s->RDCSRClr);
- safe_disable_mii_autopoll(regs);
- mac_clear_isr(regs);
}
/**
- * velocity_close - close adapter callback
- * @dev: network device
+ * velocity_free_td_ring - free td ring
+ * @vptr: velocity
*
- * Callback from the network layer when the velocity is being
- * deactivated by the network layer
- */
-
-static int velocity_close(struct net_device *dev)
-{
- struct velocity_info *vptr = netdev_priv(dev);
-
- netif_stop_queue(dev);
- velocity_shutdown(vptr);
+ * Free up the transmit ring for this particular velocity adapter.
+ * We free the ring contents but not the ring itself.
+ */
+static void velocity_free_td_ring(struct velocity_info *vptr)
+{
+ int i, j;
- if (vptr->flags & VELOCITY_FLAGS_WOL_ENABLED)
- velocity_get_ip(vptr);
- if (dev->irq != 0)
- free_irq(dev->irq, dev);
+ for (j = 0; j < vptr->tx.numq; j++) {
+ if (vptr->tx.infos[j] == NULL)
+ continue;
+ for (i = 0; i < vptr->options.numtx; i++)
+ velocity_free_td_ring_entry(vptr, j, i);
- /* Power down the chip */
- pci_set_power_state(vptr->pdev, PCI_D3hot);
+ kfree(vptr->tx.infos[j]);
+ vptr->tx.infos[j] = NULL;
+ }
+}
- velocity_free_rings(vptr);
- vptr->flags &= (~VELOCITY_FLAGS_OPENED);
- return 0;
+static void velocity_free_rings(struct velocity_info *vptr)
+{
+ velocity_free_td_ring(vptr);
+ velocity_free_rd_ring(vptr);
+ velocity_free_dma_rings(vptr);
}
/**
- * velocity_xmit - transmit packet callback
- * @skb: buffer to transmit
- * @dev: network device
+ * velocity_error - handle error from controller
+ * @vptr: velocity
+ * @status: card status
+ *
+ * Process an error report from the hardware and attempt to recover
+ * the card itself. At the moment we cannot recover from some
+ * theoretically impossible errors but this could be fixed using
+ * the pci_device_failed logic to bounce the hardware
*
- * Called by the networ layer to request a packet is queued to
- * the velocity. Returns zero on success.
*/
-
-static int velocity_xmit(struct sk_buff *skb, struct net_device *dev)
+static void velocity_error(struct velocity_info *vptr, int status)
{
- struct velocity_info *vptr = netdev_priv(dev);
- int qnum = 0;
- struct tx_desc *td_ptr;
- struct velocity_td_info *tdinfo;
- unsigned long flags;
- int pktlen;
- __le16 len;
- int index;
-
-
- if (skb_padto(skb, ETH_ZLEN))
- goto out;
- pktlen = max_t(unsigned int, skb->len, ETH_ZLEN);
- len = cpu_to_le16(pktlen);
+ if (status & ISR_TXSTLI) {
+ struct mac_regs __iomem *regs = vptr->mac_regs;
- spin_lock_irqsave(&vptr->lock, flags);
+ printk(KERN_ERR "TD structure error TDindex=%hx\n", readw(®s->TDIdx[0]));
+ BYTE_REG_BITS_ON(TXESR_TDSTR, ®s->TXESR);
+ writew(TRDCSR_RUN, ®s->TDCSRClr);
+ netif_stop_queue(vptr->dev);
- index = vptr->tx.curr[qnum];
- td_ptr = &(vptr->tx.rings[qnum][index]);
- tdinfo = &(vptr->tx.infos[qnum][index]);
+ /* FIXME: port over the pci_device_failed code and use it
+ here */
+ }
- td_ptr->tdesc1.TCR = TCR0_TIC;
- td_ptr->td_buf[0].size &= ~TD_QUEUE;
+ if (status & ISR_SRCI) {
+ struct mac_regs __iomem *regs = vptr->mac_regs;
+ int linked;
- /*
- * Map the linear network buffer into PCI space and
- * add it to the transmit ring.
- */
- tdinfo->skb = skb;
- tdinfo->skb_dma[0] = pci_map_single(vptr->pdev, skb->data, pktlen, PCI_DMA_TODEVICE);
- td_ptr->tdesc0.len = len;
- td_ptr->td_buf[0].pa_low = cpu_to_le32(tdinfo->skb_dma[0]);
- td_ptr->td_buf[0].pa_high = 0;
- td_ptr->td_buf[0].size = len;
- tdinfo->nskb_dma = 1;
+ if (vptr->options.spd_dpx == SPD_DPX_AUTO) {
+ vptr->mii_status = check_connection_type(regs);
- td_ptr->tdesc1.cmd = TCPLS_NORMAL + (tdinfo->nskb_dma + 1) * 16;
+ /*
+ * If it is a 3119, disable frame bursting in
+ * halfduplex mode and enable it in fullduplex
+ * mode
+ */
+ if (vptr->rev_id < REV_ID_VT3216_A0) {
+ if (vptr->mii_status | VELOCITY_DUPLEX_FULL)
+ BYTE_REG_BITS_ON(TCR_TB2BDIS, ®s->TCR);
+ else
+ BYTE_REG_BITS_OFF(TCR_TB2BDIS, ®s->TCR);
+ }
+ /*
+ * Only enable CD heart beat counter in 10HD mode
+ */
+ if (!(vptr->mii_status & VELOCITY_DUPLEX_FULL) && (vptr->mii_status & VELOCITY_SPEED_10))
+ BYTE_REG_BITS_OFF(TESTCFG_HBDIS, ®s->TESTCFG);
+ else
+ BYTE_REG_BITS_ON(TESTCFG_HBDIS, ®s->TESTCFG);
+ }
+ /*
+ * Get link status from PHYSR0
+ */
+ linked = readb(®s->PHYSR0) & PHYSR0_LINKGD;
- if (vptr->vlgrp && vlan_tx_tag_present(skb)) {
- td_ptr->tdesc1.vlan = cpu_to_le16(vlan_tx_tag_get(skb));
- td_ptr->tdesc1.TCR |= TCR0_VETAG;
- }
+ if (linked) {
+ vptr->mii_status &= ~VELOCITY_LINK_FAIL;
+ netif_carrier_on(vptr->dev);
+ } else {
+ vptr->mii_status |= VELOCITY_LINK_FAIL;
+ netif_carrier_off(vptr->dev);
+ }
- /*
- * Handle hardware checksum
- */
- if ((vptr->flags & VELOCITY_FLAGS_TX_CSUM)
- && (skb->ip_summed == CHECKSUM_PARTIAL)) {
- const struct iphdr *ip = ip_hdr(skb);
- if (ip->protocol == IPPROTO_TCP)
- td_ptr->tdesc1.TCR |= TCR0_TCPCK;
- else if (ip->protocol == IPPROTO_UDP)
- td_ptr->tdesc1.TCR |= (TCR0_UDPCK);
- td_ptr->tdesc1.TCR |= TCR0_IPCK;
- }
- {
+ velocity_print_link_status(vptr);
+ enable_flow_control_ability(vptr);
- int prev = index - 1;
+ /*
+ * Re-enable auto-polling because SRCI will disable
+ * auto-polling
+ */
- if (prev < 0)
- prev = vptr->options.numtx - 1;
- td_ptr->tdesc0.len |= OWNED_BY_NIC;
- vptr->tx.used[qnum]++;
- vptr->tx.curr[qnum] = (index + 1) % vptr->options.numtx;
+ enable_mii_autopoll(regs);
- if (AVAIL_TD(vptr, qnum) < 1)
- netif_stop_queue(dev);
+ if (vptr->mii_status & VELOCITY_LINK_FAIL)
+ netif_stop_queue(vptr->dev);
+ else
+ netif_wake_queue(vptr->dev);
- td_ptr = &(vptr->tx.rings[qnum][prev]);
- td_ptr->td_buf[0].size |= TD_QUEUE;
- mac_tx_queue_wake(vptr->mac_regs, qnum);
- }
- dev->trans_start = jiffies;
- spin_unlock_irqrestore(&vptr->lock, flags);
-out:
- return NETDEV_TX_OK;
+ };
+ if (status & ISR_MIBFI)
+ velocity_update_hw_mibs(vptr);
+ if (status & ISR_LSTEI)
+ mac_rx_queue_wake(vptr->mac_regs);
}
/**
- * velocity_intr - interrupt callback
- * @irq: interrupt number
- * @dev_instance: interrupting device
+ * tx_srv - transmit interrupt service
+ * @vptr; Velocity
+ * @status:
*
- * Called whenever an interrupt is generated by the velocity
- * adapter IRQ line. We may not be the source of the interrupt
- * and need to identify initially if we are, and if not exit as
- * efficiently as possible.
+ * Scan the queues looking for transmitted packets that
+ * we can complete and clean up. Update any statistics as
+ * necessary/
*/
-
-static irqreturn_t velocity_intr(int irq, void *dev_instance)
+static int velocity_tx_srv(struct velocity_info *vptr, u32 status)
{
- struct net_device *dev = dev_instance;
- struct velocity_info *vptr = netdev_priv(dev);
- u32 isr_status;
- int max_count = 0;
+ struct tx_desc *td;
+ int qnum;
+ int full = 0;
+ int idx;
+ int works = 0;
+ struct velocity_td_info *tdinfo;
+ struct net_device_stats *stats = &vptr->dev->stats;
+ for (qnum = 0; qnum < vptr->tx.numq; qnum++) {
+ for (idx = vptr->tx.tail[qnum]; vptr->tx.used[qnum] > 0;
+ idx = (idx + 1) % vptr->options.numtx) {
- spin_lock(&vptr->lock);
- isr_status = mac_read_isr(vptr->mac_regs);
+ /*
+ * Get Tx Descriptor
+ */
+ td = &(vptr->tx.rings[qnum][idx]);
+ tdinfo = &(vptr->tx.infos[qnum][idx]);
- /* Not us ? */
- if (isr_status == 0) {
- spin_unlock(&vptr->lock);
- return IRQ_NONE;
- }
+ if (td->tdesc0.len & OWNED_BY_NIC)
+ break;
- mac_disable_int(vptr->mac_regs);
+ if ((works++ > 15))
+ break;
+
+ if (td->tdesc0.TSR & TSR0_TERR) {
+ stats->tx_errors++;
+ stats->tx_dropped++;
+ if (td->tdesc0.TSR & TSR0_CDH)
+ stats->tx_heartbeat_errors++;
+ if (td->tdesc0.TSR & TSR0_CRS)
+ stats->tx_carrier_errors++;
+ if (td->tdesc0.TSR & TSR0_ABT)
+ stats->tx_aborted_errors++;
+ if (td->tdesc0.TSR & TSR0_OWC)
+ stats->tx_window_errors++;
+ } else {
+ stats->tx_packets++;
+ stats->tx_bytes += tdinfo->skb->len;
+ }
+ velocity_free_tx_buf(vptr, tdinfo);
+ vptr->tx.used[qnum]--;
+ }
+ vptr->tx.tail[qnum] = idx;
+ if (AVAIL_TD(vptr, qnum) < 1)
+ full = 1;
+ }
/*
- * Keep processing the ISR until we have completed
- * processing and the isr_status becomes zero
+ * Look to see if we should kick the transmit network
+ * layer for more work.
*/
+ if (netif_queue_stopped(vptr->dev) && (full == 0)
+ && (!(vptr->mii_status & VELOCITY_LINK_FAIL))) {
+ netif_wake_queue(vptr->dev);
+ }
+ return works;
+}
+
+/**
+ * velocity_rx_csum - checksum process
+ * @rd: receive packet descriptor
+ * @skb: network layer packet buffer
+ *
+ * Process the status bits for the received packet and determine
+ * if the checksum was computed and verified by the hardware
+ */
+static inline void velocity_rx_csum(struct rx_desc *rd, struct sk_buff *skb)
+{
+ skb->ip_summed = CHECKSUM_NONE;
- while (isr_status != 0) {
- mac_write_isr(vptr->mac_regs, isr_status);
- if (isr_status & (~(ISR_PRXI | ISR_PPRXI | ISR_PTXI | ISR_PPTXI)))
- velocity_error(vptr, isr_status);
- if (isr_status & (ISR_PRXI | ISR_PPRXI))
- max_count += velocity_rx_srv(vptr, isr_status);
- if (isr_status & (ISR_PTXI | ISR_PPTXI))
- max_count += velocity_tx_srv(vptr, isr_status);
- isr_status = mac_read_isr(vptr->mac_regs);
- if (max_count > vptr->options.int_works) {
- printk(KERN_WARNING "%s: excessive work at interrupt.\n",
- dev->name);
- max_count = 0;
+ if (rd->rdesc1.CSM & CSM_IPKT) {
+ if (rd->rdesc1.CSM & CSM_IPOK) {
+ if ((rd->rdesc1.CSM & CSM_TCPKT) ||
+ (rd->rdesc1.CSM & CSM_UDPKT)) {
+ if (!(rd->rdesc1.CSM & CSM_TUPOK))
+ return;
+ }
+ skb->ip_summed = CHECKSUM_UNNECESSARY;
}
}
- spin_unlock(&vptr->lock);
- mac_enable_int(vptr->mac_regs);
- return IRQ_HANDLED;
-
}
-
/**
- * velocity_set_multi - filter list change callback
+ * velocity_rx_copy - in place Rx copy for small packets
+ * @rx_skb: network layer packet buffer candidate
+ * @pkt_size: received data size
+ * @rd: receive packet descriptor
* @dev: network device
*
- * Called by the network layer when the filter lists need to change
- * for a velocity adapter. Reload the CAMs with the new address
- * filter ruleset.
+ * Replace the current skb that is scheduled for Rx processing by a
+ * shorter, immediatly allocated skb, if the received packet is small
+ * enough. This function returns a negative value if the received
+ * packet is too big or if memory is exhausted.
*/
-
-static void velocity_set_multi(struct net_device *dev)
+static int velocity_rx_copy(struct sk_buff **rx_skb, int pkt_size,
+ struct velocity_info *vptr)
{
- struct velocity_info *vptr = netdev_priv(dev);
- struct mac_regs __iomem *regs = vptr->mac_regs;
- u8 rx_mode;
- int i;
- struct dev_mc_list *mclist;
-
- if (dev->flags & IFF_PROMISC) { /* Set promiscuous. */
- writel(0xffffffff, ®s->MARCAM[0]);
- writel(0xffffffff, ®s->MARCAM[4]);
- rx_mode = (RCR_AM | RCR_AB | RCR_PROM);
- } else if ((dev->mc_count > vptr->multicast_limit)
- || (dev->flags & IFF_ALLMULTI)) {
- writel(0xffffffff, ®s->MARCAM[0]);
- writel(0xffffffff, ®s->MARCAM[4]);
- rx_mode = (RCR_AM | RCR_AB);
- } else {
- int offset = MCAM_SIZE - vptr->multicast_limit;
- mac_get_cam_mask(regs, vptr->mCAMmask);
+ int ret = -1;
+ if (pkt_size < rx_copybreak) {
+ struct sk_buff *new_skb;
- for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count; i++, mclist = mclist->next) {
- mac_set_cam(regs, i + offset, mclist->dmi_addr);
- vptr->mCAMmask[(offset + i) / 8] |= 1 << ((offset + i) & 7);
+ new_skb = netdev_alloc_skb(vptr->dev, pkt_size + 2);
+ if (new_skb) {
+ new_skb->ip_summed = rx_skb[0]->ip_summed;
+ skb_reserve(new_skb, 2);
+ skb_copy_from_linear_data(*rx_skb, new_skb->data, pkt_size);
+ *rx_skb = new_skb;
+ ret = 0;
}
- mac_set_cam_mask(regs, vptr->mCAMmask);
- rx_mode = RCR_AM | RCR_AB | RCR_AP;
}
- if (dev->mtu > 1500)
- rx_mode |= RCR_AL;
-
- BYTE_REG_BITS_ON(rx_mode, ®s->RCR);
-
+ return ret;
}
/**
- * velocity_get_status - statistics callback
- * @dev: network device
+ * velocity_iph_realign - IP header alignment
+ * @vptr: velocity we are handling
+ * @skb: network layer packet buffer
+ * @pkt_size: received data size
*
- * Callback from the network layer to allow driver statistics
- * to be resynchronized with hardware collected state. In the
- * case of the velocity we need to pull the MIB counters from
- * the hardware into the counters before letting the network
- * layer display them.
+ * Align IP header on a 2 bytes boundary. This behavior can be
+ * configured by the user.
*/
-
-static struct net_device_stats *velocity_get_stats(struct net_device *dev)
+static inline void velocity_iph_realign(struct velocity_info *vptr,
+ struct sk_buff *skb, int pkt_size)
{
- struct velocity_info *vptr = netdev_priv(dev);
+ if (vptr->flags & VELOCITY_FLAGS_IP_ALIGN) {
+ memmove(skb->data + 2, skb->data, pkt_size);
+ skb_reserve(skb, 2);
+ }
+}
- /* If the hardware is down, don't touch MII */
- if (!netif_running(dev))
- return &dev->stats;
- spin_lock_irq(&vptr->lock);
- velocity_update_hw_mibs(vptr);
- spin_unlock_irq(&vptr->lock);
+/**
+ * velocity_receive_frame - received packet processor
+ * @vptr: velocity we are handling
+ * @idx: ring index
+ *
+ * A packet has arrived. We process the packet and if appropriate
+ * pass the frame up the network stack
+ */
+static int velocity_receive_frame(struct velocity_info *vptr, int idx)
+{
+ void (*pci_action)(struct pci_dev *, dma_addr_t, size_t, int);
+ struct net_device_stats *stats = &vptr->dev->stats;
+ struct velocity_rd_info *rd_info = &(vptr->rx.info[idx]);
+ struct rx_desc *rd = &(vptr->rx.ring[idx]);
+ int pkt_len = le16_to_cpu(rd->rdesc0.len) & 0x3fff;
+ struct sk_buff *skb;
- dev->stats.rx_packets = vptr->mib_counter[HW_MIB_ifRxAllPkts];
- dev->stats.rx_errors = vptr->mib_counter[HW_MIB_ifRxErrorPkts];
- dev->stats.rx_length_errors = vptr->mib_counter[HW_MIB_ifInRangeLengthErrors];
+ if (rd->rdesc0.RSR & (RSR_STP | RSR_EDP)) {
+ VELOCITY_PRT(MSG_LEVEL_VERBOSE, KERN_ERR " %s : the received frame span multple RDs.\n", vptr->dev->name);
+ stats->rx_length_errors++;
+ return -EINVAL;
+ }
-// unsigned long rx_dropped; /* no space in linux buffers */
- dev->stats.collisions = vptr->mib_counter[HW_MIB_ifTxEtherCollisions];
- /* detailed rx_errors: */
-// unsigned long rx_length_errors;
-// unsigned long rx_over_errors; /* receiver ring buff overflow */
- dev->stats.rx_crc_errors = vptr->mib_counter[HW_MIB_ifRxPktCRCE];
-// unsigned long rx_frame_errors; /* recv'd frame alignment error */
-// unsigned long rx_fifo_errors; /* recv'r fifo overrun */
-// unsigned long rx_missed_errors; /* receiver missed packet */
+ if (rd->rdesc0.RSR & RSR_MAR)
+ stats->multicast++;
- /* detailed tx_errors */
-// unsigned long tx_fifo_errors;
+ skb = rd_info->skb;
- return &dev->stats;
-}
+ pci_dma_sync_single_for_cpu(vptr->pdev, rd_info->skb_dma,
+ vptr->rx.buf_sz, PCI_DMA_FROMDEVICE);
+ /*
+ * Drop frame not meeting IEEE 802.3
+ */
-/**
- * velocity_ioctl - ioctl entry point
- * @dev: network device
- * @rq: interface request ioctl
- * @cmd: command code
- *
- * Called when the user issues an ioctl request to the network
- * device in question. The velocity interface supports MII.
- */
+ if (vptr->flags & VELOCITY_FLAGS_VAL_PKT_LEN) {
+ if (rd->rdesc0.RSR & RSR_RL) {
+ stats->rx_length_errors++;
+ return -EINVAL;
+ }
+ }
-static int velocity_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
-{
- struct velocity_info *vptr = netdev_priv(dev);
- int ret;
+ pci_action = pci_dma_sync_single_for_device;
- /* If we are asked for information and the device is power
- saving then we need to bring the device back up to talk to it */
+ velocity_rx_csum(rd, skb);
- if (!netif_running(dev))
- pci_set_power_state(vptr->pdev, PCI_D0);
+ if (velocity_rx_copy(&skb, pkt_len, vptr) < 0) {
+ velocity_iph_realign(vptr, skb, pkt_len);
+ pci_action = pci_unmap_single;
+ rd_info->skb = NULL;
+ }
- switch (cmd) {
- case SIOCGMIIPHY: /* Get address of MII PHY in use. */
- case SIOCGMIIREG: /* Read MII PHY register. */
- case SIOCSMIIREG: /* Write to MII PHY register. */
- ret = velocity_mii_ioctl(dev, rq, cmd);
- break;
+ pci_action(vptr->pdev, rd_info->skb_dma, vptr->rx.buf_sz,
+ PCI_DMA_FROMDEVICE);
- default:
- ret = -EOPNOTSUPP;
- }
- if (!netif_running(dev))
- pci_set_power_state(vptr->pdev, PCI_D3hot);
+ skb_put(skb, pkt_len - 4);
+ skb->protocol = eth_type_trans(skb, vptr->dev);
+
+ if (vptr->vlgrp && (rd->rdesc0.RSR & RSR_DETAG)) {
+ vlan_hwaccel_rx(skb, vptr->vlgrp,
+ swab16(le16_to_cpu(rd->rdesc1.PQTAG)));
+ } else
+ netif_rx(skb);
+ stats->rx_bytes += pkt_len;
- return ret;
+ return 0;
}
-/*
- * Definition for our device driver. The PCI layer interface
- * uses this to handle all our card discover and plugging
- */
-
-static struct pci_driver velocity_driver = {
- .name = VELOCITY_NAME,
- .id_table = velocity_id_table,
- .probe = velocity_found1,
- .remove = __devexit_p(velocity_remove1),
-#ifdef CONFIG_PM
- .suspend = velocity_suspend,
- .resume = velocity_resume,
-#endif
-};
/**
- * velocity_init_module - load time function
+ * velocity_rx_srv - service RX interrupt
+ * @vptr: velocity
+ * @status: adapter status (unused)
*
- * Called when the velocity module is loaded. The PCI driver
- * is registered with the PCI layer, and in turn will call
- * the probe functions for each velocity adapter installed
- * in the system.
+ * Walk the receive ring of the velocity adapter and remove
+ * any received packets from the receive queue. Hand the ring
+ * slots back to the adapter for reuse.
*/
-
-static int __init velocity_init_module(void)
+static int velocity_rx_srv(struct velocity_info *vptr, int status)
{
- int ret;
+ struct net_device_stats *stats = &vptr->dev->stats;
+ int rd_curr = vptr->rx.curr;
+ int works = 0;
+
+ do {
+ struct rx_desc *rd = vptr->rx.ring + rd_curr;
+
+ if (!vptr->rx.info[rd_curr].skb)
+ break;
+
+ if (rd->rdesc0.len & OWNED_BY_NIC)
+ break;
+
+ rmb();
- velocity_register_notifier();
- ret = pci_register_driver(&velocity_driver);
- if (ret < 0)
- velocity_unregister_notifier();
- return ret;
-}
+ /*
+ * Don't drop CE or RL error frame although RXOK is off
+ */
+ if (rd->rdesc0.RSR & (RSR_RXOK | RSR_CE | RSR_RL)) {
+ if (velocity_receive_frame(vptr, rd_curr) < 0)
+ stats->rx_dropped++;
+ } else {
+ if (rd->rdesc0.RSR & RSR_CRC)
+ stats->rx_crc_errors++;
+ if (rd->rdesc0.RSR & RSR_FAE)
+ stats->rx_frame_errors++;
-/**
- * velocity_cleanup - module unload
- *
- * When the velocity hardware is unloaded this function is called.
- * It will clean up the notifiers and the unregister the PCI
- * driver interface for this hardware. This in turn cleans up
- * all discovered interfaces before returning from the function
- */
+ stats->rx_dropped++;
+ }
-static void __exit velocity_cleanup_module(void)
-{
- velocity_unregister_notifier();
- pci_unregister_driver(&velocity_driver);
-}
+ rd->size |= RX_INTEN;
-module_init(velocity_init_module);
-module_exit(velocity_cleanup_module);
+ rd_curr++;
+ if (rd_curr >= vptr->options.numrx)
+ rd_curr = 0;
+ } while (++works <= 15);
+ vptr->rx.curr = rd_curr;
-/*
- * MII access , media link mode setting functions
- */
+ if ((works > 0) && (velocity_rx_refill(vptr) > 0))
+ velocity_give_many_rx_descs(vptr);
+
+ VAR_USED(stats);
+ return works;
+}
/**
- * mii_init - set up MII
- * @vptr: velocity adapter
- * @mii_status: links tatus
+ * velocity_intr - interrupt callback
+ * @irq: interrupt number
+ * @dev_instance: interrupting device
*
- * Set up the PHY for the current link state.
+ * Called whenever an interrupt is generated by the velocity
+ * adapter IRQ line. We may not be the source of the interrupt
+ * and need to identify initially if we are, and if not exit as
+ * efficiently as possible.
*/
-
-static void mii_init(struct velocity_info *vptr, u32 mii_status)
+static irqreturn_t velocity_intr(int irq, void *dev_instance)
{
- u16 BMCR;
+ struct net_device *dev = dev_instance;
+ struct velocity_info *vptr = netdev_priv(dev);
+ u32 isr_status;
+ int max_count = 0;
- switch (PHYID_GET_PHY_ID(vptr->phy_id)) {
- case PHYID_CICADA_CS8201:
- /*
- * Reset to hardware default
- */
- MII_REG_BITS_OFF((ANAR_ASMDIR | ANAR_PAUSE), MII_REG_ANAR, vptr->mac_regs);
- /*
- * Turn on ECHODIS bit in NWay-forced full mode and turn it
- * off it in NWay-forced half mode for NWay-forced v.s.
- * legacy-forced issue.
- */
- if (vptr->mii_status & VELOCITY_DUPLEX_FULL)
- MII_REG_BITS_ON(TCSR_ECHODIS, MII_REG_TCSR, vptr->mac_regs);
- else
- MII_REG_BITS_OFF(TCSR_ECHODIS, MII_REG_TCSR, vptr->mac_regs);
- /*
- * Turn on Link/Activity LED enable bit for CIS8201
- */
- MII_REG_BITS_ON(PLED_LALBE, MII_REG_PLED, vptr->mac_regs);
- break;
- case PHYID_VT3216_32BIT:
- case PHYID_VT3216_64BIT:
- /*
- * Reset to hardware default
- */
- MII_REG_BITS_ON((ANAR_ASMDIR | ANAR_PAUSE), MII_REG_ANAR, vptr->mac_regs);
- /*
- * Turn on ECHODIS bit in NWay-forced full mode and turn it
- * off it in NWay-forced half mode for NWay-forced v.s.
- * legacy-forced issue
- */
- if (vptr->mii_status & VELOCITY_DUPLEX_FULL)
- MII_REG_BITS_ON(TCSR_ECHODIS, MII_REG_TCSR, vptr->mac_regs);
- else
- MII_REG_BITS_OFF(TCSR_ECHODIS, MII_REG_TCSR, vptr->mac_regs);
- break;
- case PHYID_MARVELL_1000:
- case PHYID_MARVELL_1000S:
- /*
- * Assert CRS on Transmit
- */
- MII_REG_BITS_ON(PSCR_ACRSTX, MII_REG_PSCR, vptr->mac_regs);
- /*
- * Reset to hardware default
- */
- MII_REG_BITS_ON((ANAR_ASMDIR | ANAR_PAUSE), MII_REG_ANAR, vptr->mac_regs);
- break;
- default:
- ;
- }
- velocity_mii_read(vptr->mac_regs, MII_REG_BMCR, &BMCR);
- if (BMCR & BMCR_ISO) {
- BMCR &= ~BMCR_ISO;
- velocity_mii_write(vptr->mac_regs, MII_REG_BMCR, BMCR);
+ spin_lock(&vptr->lock);
+ isr_status = mac_read_isr(vptr->mac_regs);
+
+ /* Not us ? */
+ if (isr_status == 0) {
+ spin_unlock(&vptr->lock);
+ return IRQ_NONE;
}
-}
-/**
- * safe_disable_mii_autopoll - autopoll off
- * @regs: velocity registers
- *
- * Turn off the autopoll and wait for it to disable on the chip
- */
+ mac_disable_int(vptr->mac_regs);
-static void safe_disable_mii_autopoll(struct mac_regs __iomem *regs)
-{
- u16 ww;
+ /*
+ * Keep processing the ISR until we have completed
+ * processing and the isr_status becomes zero
+ */
- /* turn off MAUTO */
- writeb(0, ®s->MIICR);
- for (ww = 0; ww < W_MAX_TIMEOUT; ww++) {
- udelay(1);
- if (BYTE_REG_BITS_IS_ON(MIISR_MIDLE, ®s->MIISR))
- break;
+ while (isr_status != 0) {
+ mac_write_isr(vptr->mac_regs, isr_status);
+ if (isr_status & (~(ISR_PRXI | ISR_PPRXI | ISR_PTXI | ISR_PPTXI)))
+ velocity_error(vptr, isr_status);
+ if (isr_status & (ISR_PRXI | ISR_PPRXI))
+ max_count += velocity_rx_srv(vptr, isr_status);
+ if (isr_status & (ISR_PTXI | ISR_PPTXI))
+ max_count += velocity_tx_srv(vptr, isr_status);
+ isr_status = mac_read_isr(vptr->mac_regs);
+ if (max_count > vptr->options.int_works) {
+ printk(KERN_WARNING "%s: excessive work at interrupt.\n",
+ dev->name);
+ max_count = 0;
+ }
}
+ spin_unlock(&vptr->lock);
+ mac_enable_int(vptr->mac_regs);
+ return IRQ_HANDLED;
+
}
/**
- * enable_mii_autopoll - turn on autopolling
- * @regs: velocity registers
+ * velocity_open - interface activation callback
+ * @dev: network layer device to open
*
- * Enable the MII link status autopoll feature on the Velocity
- * hardware. Wait for it to enable.
+ * Called when the network layer brings the interface up. Returns
+ * a negative posix error code on failure, or zero on success.
+ *
+ * All the ring allocation and set up is done on open for this
+ * adapter to minimise memory usage when inactive
*/
-
-static void enable_mii_autopoll(struct mac_regs __iomem *regs)
+static int velocity_open(struct net_device *dev)
{
- int ii;
+ struct velocity_info *vptr = netdev_priv(dev);
+ int ret;
- writeb(0, &(regs->MIICR));
- writeb(MIIADR_SWMPL, ®s->MIIADR);
+ ret = velocity_init_rings(vptr, dev->mtu);
+ if (ret < 0)
+ goto out;
- for (ii = 0; ii < W_MAX_TIMEOUT; ii++) {
- udelay(1);
- if (BYTE_REG_BITS_IS_ON(MIISR_MIDLE, ®s->MIISR))
- break;
- }
+ /* Ensure chip is running */
+ pci_set_power_state(vptr->pdev, PCI_D0);
- writeb(MIICR_MAUTO, ®s->MIICR);
+ velocity_give_many_rx_descs(vptr);
- for (ii = 0; ii < W_MAX_TIMEOUT; ii++) {
- udelay(1);
- if (!BYTE_REG_BITS_IS_ON(MIISR_MIDLE, ®s->MIISR))
- break;
+ velocity_init_registers(vptr, VELOCITY_INIT_COLD);
+
+ ret = request_irq(vptr->pdev->irq, &velocity_intr, IRQF_SHARED,
+ dev->name, dev);
+ if (ret < 0) {
+ /* Power down the chip */
+ pci_set_power_state(vptr->pdev, PCI_D3hot);
+ velocity_free_rings(vptr);
+ goto out;
}
+ mac_enable_int(vptr->mac_regs);
+ netif_start_queue(dev);
+ vptr->flags |= VELOCITY_FLAGS_OPENED;
+out:
+ return ret;
}
/**
- * velocity_mii_read - read MII data
- * @regs: velocity registers
- * @index: MII register index
- * @data: buffer for received data
+ * velocity_shutdown - shut down the chip
+ * @vptr: velocity to deactivate
*
- * Perform a single read of an MII 16bit register. Returns zero
- * on success or -ETIMEDOUT if the PHY did not respond.
+ * Shuts down the internal operations of the velocity and
+ * disables interrupts, autopolling, transmit and receive
*/
-
-static int velocity_mii_read(struct mac_regs __iomem *regs, u8 index, u16 *data)
+static void velocity_shutdown(struct velocity_info *vptr)
{
- u16 ww;
-
- /*
- * Disable MIICR_MAUTO, so that mii addr can be set normally
- */
+ struct mac_regs __iomem *regs = vptr->mac_regs;
+ mac_disable_int(regs);
+ writel(CR0_STOP, ®s->CR0Set);
+ writew(0xFFFF, ®s->TDCSRClr);
+ writeb(0xFF, ®s->RDCSRClr);
safe_disable_mii_autopoll(regs);
+ mac_clear_isr(regs);
+}
- writeb(index, ®s->MIIADR);
+/**
+ * velocity_change_mtu - MTU change callback
+ * @dev: network device
+ * @new_mtu: desired MTU
+ *
+ * Handle requests from the networking layer for MTU change on
+ * this interface. It gets called on a change by the network layer.
+ * Return zero for success or negative posix error code.
+ */
+static int velocity_change_mtu(struct net_device *dev, int new_mtu)
+{
+ struct velocity_info *vptr = netdev_priv(dev);
+ int ret = 0;
- BYTE_REG_BITS_ON(MIICR_RCMD, ®s->MIICR);
+ if ((new_mtu < VELOCITY_MIN_MTU) || new_mtu > (VELOCITY_MAX_MTU)) {
+ VELOCITY_PRT(MSG_LEVEL_ERR, KERN_NOTICE "%s: Invalid MTU.\n",
+ vptr->dev->name);
+ ret = -EINVAL;
+ goto out_0;
+ }
- for (ww = 0; ww < W_MAX_TIMEOUT; ww++) {
- if (!(readb(®s->MIICR) & MIICR_RCMD))
- break;
+ if (!netif_running(dev)) {
+ dev->mtu = new_mtu;
+ goto out_0;
}
- *data = readw(®s->MIIDATA);
+ if (dev->mtu != new_mtu) {
+ struct velocity_info *tmp_vptr;
+ unsigned long flags;
+ struct rx_info rx;
+ struct tx_info tx;
- enable_mii_autopoll(regs);
- if (ww == W_MAX_TIMEOUT)
- return -ETIMEDOUT;
- return 0;
-}
+ tmp_vptr = kzalloc(sizeof(*tmp_vptr), GFP_KERNEL);
+ if (!tmp_vptr) {
+ ret = -ENOMEM;
+ goto out_0;
+ }
-/**
- * velocity_mii_write - write MII data
- * @regs: velocity registers
- * @index: MII register index
- * @data: 16bit data for the MII register
- *
- * Perform a single write to an MII 16bit register. Returns zero
- * on success or -ETIMEDOUT if the PHY did not respond.
- */
+ tmp_vptr->dev = dev;
+ tmp_vptr->pdev = vptr->pdev;
+ tmp_vptr->options = vptr->options;
+ tmp_vptr->tx.numq = vptr->tx.numq;
-static int velocity_mii_write(struct mac_regs __iomem *regs, u8 mii_addr, u16 data)
-{
- u16 ww;
+ ret = velocity_init_rings(tmp_vptr, new_mtu);
+ if (ret < 0)
+ goto out_free_tmp_vptr_1;
- /*
- * Disable MIICR_MAUTO, so that mii addr can be set normally
- */
- safe_disable_mii_autopoll(regs);
+ spin_lock_irqsave(&vptr->lock, flags);
- /* MII reg offset */
- writeb(mii_addr, ®s->MIIADR);
- /* set MII data */
- writew(data, ®s->MIIDATA);
+ netif_stop_queue(dev);
+ velocity_shutdown(vptr);
- /* turn on MIICR_WCMD */
- BYTE_REG_BITS_ON(MIICR_WCMD, ®s->MIICR);
+ rx = vptr->rx;
+ tx = vptr->tx;
- /* W_MAX_TIMEOUT is the timeout period */
- for (ww = 0; ww < W_MAX_TIMEOUT; ww++) {
- udelay(5);
- if (!(readb(®s->MIICR) & MIICR_WCMD))
- break;
- }
- enable_mii_autopoll(regs);
+ vptr->rx = tmp_vptr->rx;
+ vptr->tx = tmp_vptr->tx;
- if (ww == W_MAX_TIMEOUT)
- return -ETIMEDOUT;
- return 0;
-}
+ tmp_vptr->rx = rx;
+ tmp_vptr->tx = tx;
-/**
- * velocity_get_opt_media_mode - get media selection
- * @vptr: velocity adapter
- *
- * Get the media mode stored in EEPROM or module options and load
- * mii_status accordingly. The requested link state information
- * is also returned.
- */
+ dev->mtu = new_mtu;
-static u32 velocity_get_opt_media_mode(struct velocity_info *vptr)
-{
- u32 status = 0;
+ velocity_give_many_rx_descs(vptr);
- switch (vptr->options.spd_dpx) {
- case SPD_DPX_AUTO:
- status = VELOCITY_AUTONEG_ENABLE;
- break;
- case SPD_DPX_100_FULL:
- status = VELOCITY_SPEED_100 | VELOCITY_DUPLEX_FULL;
- break;
- case SPD_DPX_10_FULL:
- status = VELOCITY_SPEED_10 | VELOCITY_DUPLEX_FULL;
- break;
- case SPD_DPX_100_HALF:
- status = VELOCITY_SPEED_100;
- break;
- case SPD_DPX_10_HALF:
- status = VELOCITY_SPEED_10;
- break;
- }
- vptr->mii_status = status;
- return status;
-}
+ velocity_init_registers(vptr, VELOCITY_INIT_COLD);
-/**
- * mii_set_auto_on - autonegotiate on
- * @vptr: velocity
- *
- * Enable autonegotation on this interface
- */
+ mac_enable_int(vptr->mac_regs);
+ netif_start_queue(dev);
-static void mii_set_auto_on(struct velocity_info *vptr)
-{
- if (MII_REG_BITS_IS_ON(BMCR_AUTO, MII_REG_BMCR, vptr->mac_regs))
- MII_REG_BITS_ON(BMCR_REAUTO, MII_REG_BMCR, vptr->mac_regs);
- else
- MII_REG_BITS_ON(BMCR_AUTO, MII_REG_BMCR, vptr->mac_regs);
-}
+ spin_unlock_irqrestore(&vptr->lock, flags);
+ velocity_free_rings(tmp_vptr);
-/*
-static void mii_set_auto_off(struct velocity_info *vptr)
-{
- MII_REG_BITS_OFF(BMCR_AUTO, MII_REG_BMCR, vptr->mac_regs);
+out_free_tmp_vptr_1:
+ kfree(tmp_vptr);
+ }
+out_0:
+ return ret;
}
-*/
/**
- * set_mii_flow_control - flow control setup
- * @vptr: velocity interface
+ * velocity_mii_ioctl - MII ioctl handler
+ * @dev: network device
+ * @ifr: the ifreq block for the ioctl
+ * @cmd: the command
*
- * Set up the flow control on this interface according to
- * the supplied user/eeprom options.
+ * Process MII requests made via ioctl from the network layer. These
+ * are used by tools like kudzu to interrogate the link state of the
+ * hardware
*/
-
-static void set_mii_flow_control(struct velocity_info *vptr)
+static int velocity_mii_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
{
- /*Enable or Disable PAUSE in ANAR */
- switch (vptr->options.flow_cntl) {
- case FLOW_CNTL_TX:
- MII_REG_BITS_OFF(ANAR_PAUSE, MII_REG_ANAR, vptr->mac_regs);
- MII_REG_BITS_ON(ANAR_ASMDIR, MII_REG_ANAR, vptr->mac_regs);
- break;
+ struct velocity_info *vptr = netdev_priv(dev);
+ struct mac_regs __iomem *regs = vptr->mac_regs;
+ unsigned long flags;
+ struct mii_ioctl_data *miidata = if_mii(ifr);
+ int err;
- case FLOW_CNTL_RX:
- MII_REG_BITS_ON(ANAR_PAUSE, MII_REG_ANAR, vptr->mac_regs);
- MII_REG_BITS_ON(ANAR_ASMDIR, MII_REG_ANAR, vptr->mac_regs);
+ switch (cmd) {
+ case SIOCGMIIPHY:
+ miidata->phy_id = readb(®s->MIIADR) & 0x1f;
break;
-
- case FLOW_CNTL_TX_RX:
- MII_REG_BITS_ON(ANAR_PAUSE, MII_REG_ANAR, vptr->mac_regs);
- MII_REG_BITS_ON(ANAR_ASMDIR, MII_REG_ANAR, vptr->mac_regs);
+ case SIOCGMIIREG:
+ if (!capable(CAP_NET_ADMIN))
+ return -EPERM;
+ if (velocity_mii_read(vptr->mac_regs, miidata->reg_num & 0x1f, &(miidata->val_out)) < 0)
+ return -ETIMEDOUT;
break;
-
- case FLOW_CNTL_DISABLE:
- MII_REG_BITS_OFF(ANAR_PAUSE, MII_REG_ANAR, vptr->mac_regs);
- MII_REG_BITS_OFF(ANAR_ASMDIR, MII_REG_ANAR, vptr->mac_regs);
+ case SIOCSMIIREG:
+ if (!capable(CAP_NET_ADMIN))
+ return -EPERM;
+ spin_lock_irqsave(&vptr->lock, flags);
+ err = velocity_mii_write(vptr->mac_regs, miidata->reg_num & 0x1f, miidata->val_in);
+ spin_unlock_irqrestore(&vptr->lock, flags);
+ check_connection_type(vptr->mac_regs);
+ if (err)
+ return err;
break;
default:
- break;
+ return -EOPNOTSUPP;
}
+ return 0;
}
+
/**
- * velocity_set_media_mode - set media mode
- * @mii_status: old MII link state
+ * velocity_ioctl - ioctl entry point
+ * @dev: network device
+ * @rq: interface request ioctl
+ * @cmd: command code
*
- * Check the media link state and configure the flow control
- * PHY and also velocity hardware setup accordingly. In particular
- * we need to set up CD polling and frame bursting.
+ * Called when the user issues an ioctl request to the network
+ * device in question. The velocity interface supports MII.
*/
+static int velocity_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
+{
+ struct velocity_info *vptr = netdev_priv(dev);
+ int ret;
-static int velocity_set_media_mode(struct velocity_info *vptr, u32 mii_status)
-{
- u32 curr_status;
- struct mac_regs __iomem *regs = vptr->mac_regs;
-
- vptr->mii_status = mii_check_media_mode(vptr->mac_regs);
- curr_status = vptr->mii_status & (~VELOCITY_LINK_FAIL);
-
- /* Set mii link status */
- set_mii_flow_control(vptr);
-
- /*
- Check if new status is consisent with current status
- if (((mii_status & curr_status) & VELOCITY_AUTONEG_ENABLE)
- || (mii_status==curr_status)) {
- vptr->mii_status=mii_check_media_mode(vptr->mac_regs);
- vptr->mii_status=check_connection_type(vptr->mac_regs);
- VELOCITY_PRT(MSG_LEVEL_INFO, "Velocity link no change\n");
- return 0;
- }
- */
-
- if (PHYID_GET_PHY_ID(vptr->phy_id) == PHYID_CICADA_CS8201)
- MII_REG_BITS_ON(AUXCR_MDPPS, MII_REG_AUXCR, vptr->mac_regs);
-
- /*
- * If connection type is AUTO
- */
- if (mii_status & VELOCITY_AUTONEG_ENABLE) {
- VELOCITY_PRT(MSG_LEVEL_INFO, "Velocity is AUTO mode\n");
- /* clear force MAC mode bit */
- BYTE_REG_BITS_OFF(CHIPGCR_FCMODE, ®s->CHIPGCR);
- /* set duplex mode of MAC according to duplex mode of MII */
- MII_REG_BITS_ON(ANAR_TXFD | ANAR_TX | ANAR_10FD | ANAR_10, MII_REG_ANAR, vptr->mac_regs);
- MII_REG_BITS_ON(G1000CR_1000FD | G1000CR_1000, MII_REG_G1000CR, vptr->mac_regs);
- MII_REG_BITS_ON(BMCR_SPEED1G, MII_REG_BMCR, vptr->mac_regs);
-
- /* enable AUTO-NEGO mode */
- mii_set_auto_on(vptr);
- } else {
- u16 ANAR;
- u8 CHIPGCR;
-
- /*
- * 1. if it's 3119, disable frame bursting in halfduplex mode
- * and enable it in fullduplex mode
- * 2. set correct MII/GMII and half/full duplex mode in CHIPGCR
- * 3. only enable CD heart beat counter in 10HD mode
- */
-
- /* set force MAC mode bit */
- BYTE_REG_BITS_ON(CHIPGCR_FCMODE, ®s->CHIPGCR);
+ /* If we are asked for information and the device is power
+ saving then we need to bring the device back up to talk to it */
- CHIPGCR = readb(®s->CHIPGCR);
- CHIPGCR &= ~CHIPGCR_FCGMII;
+ if (!netif_running(dev))
+ pci_set_power_state(vptr->pdev, PCI_D0);
- if (mii_status & VELOCITY_DUPLEX_FULL) {
- CHIPGCR |= CHIPGCR_FCFDX;
- writeb(CHIPGCR, ®s->CHIPGCR);
- VELOCITY_PRT(MSG_LEVEL_INFO, "set Velocity to forced full mode\n");
- if (vptr->rev_id < REV_ID_VT3216_A0)
- BYTE_REG_BITS_OFF(TCR_TB2BDIS, ®s->TCR);
- } else {
- CHIPGCR &= ~CHIPGCR_FCFDX;
- VELOCITY_PRT(MSG_LEVEL_INFO, "set Velocity to forced half mode\n");
- writeb(CHIPGCR, ®s->CHIPGCR);
- if (vptr->rev_id < REV_ID_VT3216_A0)
- BYTE_REG_BITS_ON(TCR_TB2BDIS, ®s->TCR);
- }
+ switch (cmd) {
+ case SIOCGMIIPHY: /* Get address of MII PHY in use. */
+ case SIOCGMIIREG: /* Read MII PHY register. */
+ case SIOCSMIIREG: /* Write to MII PHY register. */
+ ret = velocity_mii_ioctl(dev, rq, cmd);
+ break;
- MII_REG_BITS_OFF(G1000CR_1000FD | G1000CR_1000, MII_REG_G1000CR, vptr->mac_regs);
+ default:
+ ret = -EOPNOTSUPP;
+ }
+ if (!netif_running(dev))
+ pci_set_power_state(vptr->pdev, PCI_D3hot);
- if (!(mii_status & VELOCITY_DUPLEX_FULL) && (mii_status & VELOCITY_SPEED_10))
- BYTE_REG_BITS_OFF(TESTCFG_HBDIS, ®s->TESTCFG);
- else
- BYTE_REG_BITS_ON(TESTCFG_HBDIS, ®s->TESTCFG);
- /* MII_REG_BITS_OFF(BMCR_SPEED1G, MII_REG_BMCR, vptr->mac_regs); */
- velocity_mii_read(vptr->mac_regs, MII_REG_ANAR, &ANAR);
- ANAR &= (~(ANAR_TXFD | ANAR_TX | ANAR_10FD | ANAR_10));
- if (mii_status & VELOCITY_SPEED_100) {
- if (mii_status & VELOCITY_DUPLEX_FULL)
- ANAR |= ANAR_TXFD;
- else
- ANAR |= ANAR_TX;
- } else {
- if (mii_status & VELOCITY_DUPLEX_FULL)
- ANAR |= ANAR_10FD;
- else
- ANAR |= ANAR_10;
- }
- velocity_mii_write(vptr->mac_regs, MII_REG_ANAR, ANAR);
- /* enable AUTO-NEGO mode */
- mii_set_auto_on(vptr);
- /* MII_REG_BITS_ON(BMCR_AUTO, MII_REG_BMCR, vptr->mac_regs); */
- }
- /* vptr->mii_status=mii_check_media_mode(vptr->mac_regs); */
- /* vptr->mii_status=check_connection_type(vptr->mac_regs); */
- return VELOCITY_LINK_CHANGE;
+ return ret;
}
/**
- * mii_check_media_mode - check media state
- * @regs: velocity registers
+ * velocity_get_status - statistics callback
+ * @dev: network device
*
- * Check the current MII status and determine the link status
- * accordingly
+ * Callback from the network layer to allow driver statistics
+ * to be resynchronized with hardware collected state. In the
+ * case of the velocity we need to pull the MIB counters from
+ * the hardware into the counters before letting the network
+ * layer display them.
*/
-
-static u32 mii_check_media_mode(struct mac_regs __iomem *regs)
+static struct net_device_stats *velocity_get_stats(struct net_device *dev)
{
- u32 status = 0;
- u16 ANAR;
+ struct velocity_info *vptr = netdev_priv(dev);
- if (!MII_REG_BITS_IS_ON(BMSR_LNK, MII_REG_BMSR, regs))
- status |= VELOCITY_LINK_FAIL;
+ /* If the hardware is down, don't touch MII */
+ if (!netif_running(dev))
+ return &dev->stats;
- if (MII_REG_BITS_IS_ON(G1000CR_1000FD, MII_REG_G1000CR, regs))
- status |= VELOCITY_SPEED_1000 | VELOCITY_DUPLEX_FULL;
- else if (MII_REG_BITS_IS_ON(G1000CR_1000, MII_REG_G1000CR, regs))
- status |= (VELOCITY_SPEED_1000);
- else {
- velocity_mii_read(regs, MII_REG_ANAR, &ANAR);
- if (ANAR & ANAR_TXFD)
- status |= (VELOCITY_SPEED_100 | VELOCITY_DUPLEX_FULL);
- else if (ANAR & ANAR_TX)
- status |= VELOCITY_SPEED_100;
- else if (ANAR & ANAR_10FD)
- status |= (VELOCITY_SPEED_10 | VELOCITY_DUPLEX_FULL);
- else
- status |= (VELOCITY_SPEED_10);
- }
+ spin_lock_irq(&vptr->lock);
+ velocity_update_hw_mibs(vptr);
+ spin_unlock_irq(&vptr->lock);
- if (MII_REG_BITS_IS_ON(BMCR_AUTO, MII_REG_BMCR, regs)) {
- velocity_mii_read(regs, MII_REG_ANAR, &ANAR);
- if ((ANAR & (ANAR_TXFD | ANAR_TX | ANAR_10FD | ANAR_10))
- == (ANAR_TXFD | ANAR_TX | ANAR_10FD | ANAR_10)) {
- if (MII_REG_BITS_IS_ON(G1000CR_1000 | G1000CR_1000FD, MII_REG_G1000CR, regs))
- status |= VELOCITY_AUTONEG_ENABLE;
- }
- }
+ dev->stats.rx_packets = vptr->mib_counter[HW_MIB_ifRxAllPkts];
+ dev->stats.rx_errors = vptr->mib_counter[HW_MIB_ifRxErrorPkts];
+ dev->stats.rx_length_errors = vptr->mib_counter[HW_MIB_ifInRangeLengthErrors];
- return status;
+// unsigned long rx_dropped; /* no space in linux buffers */
+ dev->stats.collisions = vptr->mib_counter[HW_MIB_ifTxEtherCollisions];
+ /* detailed rx_errors: */
+// unsigned long rx_length_errors;
+// unsigned long rx_over_errors; /* receiver ring buff overflow */
+ dev->stats.rx_crc_errors = vptr->mib_counter[HW_MIB_ifRxPktCRCE];
+// unsigned long rx_frame_errors; /* recv'd frame alignment error */
+// unsigned long rx_fifo_errors; /* recv'r fifo overrun */
+// unsigned long rx_missed_errors; /* receiver missed packet */
+
+ /* detailed tx_errors */
+// unsigned long tx_fifo_errors;
+
+ return &dev->stats;
}
-static u32 check_connection_type(struct mac_regs __iomem *regs)
+/**
+ * velocity_close - close adapter callback
+ * @dev: network device
+ *
+ * Callback from the network layer when the velocity is being
+ * deactivated by the network layer
+ */
+static int velocity_close(struct net_device *dev)
{
- u32 status = 0;
- u8 PHYSR0;
- u16 ANAR;
- PHYSR0 = readb(®s->PHYSR0);
+ struct velocity_info *vptr = netdev_priv(dev);
- /*
- if (!(PHYSR0 & PHYSR0_LINKGD))
- status|=VELOCITY_LINK_FAIL;
- */
+ netif_stop_queue(dev);
+ velocity_shutdown(vptr);
- if (PHYSR0 & PHYSR0_FDPX)
- status |= VELOCITY_DUPLEX_FULL;
+ if (vptr->flags & VELOCITY_FLAGS_WOL_ENABLED)
+ velocity_get_ip(vptr);
+ if (dev->irq != 0)
+ free_irq(dev->irq, dev);
- if (PHYSR0 & PHYSR0_SPDG)
- status |= VELOCITY_SPEED_1000;
- else if (PHYSR0 & PHYSR0_SPD10)
- status |= VELOCITY_SPEED_10;
- else
- status |= VELOCITY_SPEED_100;
+ /* Power down the chip */
+ pci_set_power_state(vptr->pdev, PCI_D3hot);
- if (MII_REG_BITS_IS_ON(BMCR_AUTO, MII_REG_BMCR, regs)) {
- velocity_mii_read(regs, MII_REG_ANAR, &ANAR);
- if ((ANAR & (ANAR_TXFD | ANAR_TX | ANAR_10FD | ANAR_10))
- == (ANAR_TXFD | ANAR_TX | ANAR_10FD | ANAR_10)) {
- if (MII_REG_BITS_IS_ON(G1000CR_1000 | G1000CR_1000FD, MII_REG_G1000CR, regs))
- status |= VELOCITY_AUTONEG_ENABLE;
- }
- }
+ velocity_free_rings(vptr);
- return status;
+ vptr->flags &= (~VELOCITY_FLAGS_OPENED);
+ return 0;
}
/**
- * enable_flow_control_ability - flow control
- * @vptr: veloity to configure
+ * velocity_xmit - transmit packet callback
+ * @skb: buffer to transmit
+ * @dev: network device
*
- * Set up flow control according to the flow control options
- * determined by the eeprom/configuration.
+ * Called by the networ layer to request a packet is queued to
+ * the velocity. Returns zero on success.
*/
-
-static void enable_flow_control_ability(struct velocity_info *vptr)
+static int velocity_xmit(struct sk_buff *skb, struct net_device *dev)
{
+ struct velocity_info *vptr = netdev_priv(dev);
+ int qnum = 0;
+ struct tx_desc *td_ptr;
+ struct velocity_td_info *tdinfo;
+ unsigned long flags;
+ int pktlen;
+ __le16 len;
+ int index;
- struct mac_regs __iomem *regs = vptr->mac_regs;
+ if (skb_padto(skb, ETH_ZLEN))
+ goto out;
+ pktlen = max_t(unsigned int, skb->len, ETH_ZLEN);
- switch (vptr->options.flow_cntl) {
+ len = cpu_to_le16(pktlen);
- case FLOW_CNTL_DEFAULT:
- if (BYTE_REG_BITS_IS_ON(PHYSR0_RXFLC, ®s->PHYSR0))
- writel(CR0_FDXRFCEN, ®s->CR0Set);
- else
- writel(CR0_FDXRFCEN, ®s->CR0Clr);
+ spin_lock_irqsave(&vptr->lock, flags);
- if (BYTE_REG_BITS_IS_ON(PHYSR0_TXFLC, ®s->PHYSR0))
- writel(CR0_FDXTFCEN, ®s->CR0Set);
- else
- writel(CR0_FDXTFCEN, ®s->CR0Clr);
- break;
+ index = vptr->tx.curr[qnum];
+ td_ptr = &(vptr->tx.rings[qnum][index]);
+ tdinfo = &(vptr->tx.infos[qnum][index]);
- case FLOW_CNTL_TX:
- writel(CR0_FDXTFCEN, ®s->CR0Set);
- writel(CR0_FDXRFCEN, ®s->CR0Clr);
- break;
+ td_ptr->tdesc1.TCR = TCR0_TIC;
+ td_ptr->td_buf[0].size &= ~TD_QUEUE;
- case FLOW_CNTL_RX:
- writel(CR0_FDXRFCEN, ®s->CR0Set);
- writel(CR0_FDXTFCEN, ®s->CR0Clr);
- break;
+ /*
+ * Map the linear network buffer into PCI space and
+ * add it to the transmit ring.
+ */
+ tdinfo->skb = skb;
+ tdinfo->skb_dma[0] = pci_map_single(vptr->pdev, skb->data, pktlen, PCI_DMA_TODEVICE);
+ td_ptr->tdesc0.len = len;
+ td_ptr->td_buf[0].pa_low = cpu_to_le32(tdinfo->skb_dma[0]);
+ td_ptr->td_buf[0].pa_high = 0;
+ td_ptr->td_buf[0].size = len;
+ tdinfo->nskb_dma = 1;
+
+ td_ptr->tdesc1.cmd = TCPLS_NORMAL + (tdinfo->nskb_dma + 1) * 16;
+
+ if (vptr->vlgrp && vlan_tx_tag_present(skb)) {
+ td_ptr->tdesc1.vlan = cpu_to_le16(vlan_tx_tag_get(skb));
+ td_ptr->tdesc1.TCR |= TCR0_VETAG;
+ }
+
+ /*
+ * Handle hardware checksum
+ */
+ if ((vptr->flags & VELOCITY_FLAGS_TX_CSUM)
+ && (skb->ip_summed == CHECKSUM_PARTIAL)) {
+ const struct iphdr *ip = ip_hdr(skb);
+ if (ip->protocol == IPPROTO_TCP)
+ td_ptr->tdesc1.TCR |= TCR0_TCPCK;
+ else if (ip->protocol == IPPROTO_UDP)
+ td_ptr->tdesc1.TCR |= (TCR0_UDPCK);
+ td_ptr->tdesc1.TCR |= TCR0_IPCK;
+ }
+ {
- case FLOW_CNTL_TX_RX:
- writel(CR0_FDXTFCEN, ®s->CR0Set);
- writel(CR0_FDXRFCEN, ®s->CR0Set);
- break;
+ int prev = index - 1;
- case FLOW_CNTL_DISABLE:
- writel(CR0_FDXRFCEN, ®s->CR0Clr);
- writel(CR0_FDXTFCEN, ®s->CR0Clr);
- break;
+ if (prev < 0)
+ prev = vptr->options.numtx - 1;
+ td_ptr->tdesc0.len |= OWNED_BY_NIC;
+ vptr->tx.used[qnum]++;
+ vptr->tx.curr[qnum] = (index + 1) % vptr->options.numtx;
- default:
- break;
- }
+ if (AVAIL_TD(vptr, qnum) < 1)
+ netif_stop_queue(dev);
+ td_ptr = &(vptr->tx.rings[qnum][prev]);
+ td_ptr->td_buf[0].size |= TD_QUEUE;
+ mac_tx_queue_wake(vptr->mac_regs, qnum);
+ }
+ dev->trans_start = jiffies;
+ spin_unlock_irqrestore(&vptr->lock, flags);
+out:
+ return NETDEV_TX_OK;
}
+static const struct net_device_ops velocity_netdev_ops = {
+ .ndo_open = velocity_open,
+ .ndo_stop = velocity_close,
+ .ndo_start_xmit = velocity_xmit,
+ .ndo_get_stats = velocity_get_stats,
+ .ndo_validate_addr = eth_validate_addr,
+ .ndo_set_mac_address = eth_mac_addr,
+ .ndo_set_multicast_list = velocity_set_multi,
+ .ndo_change_mtu = velocity_change_mtu,
+ .ndo_do_ioctl = velocity_ioctl,
+ .ndo_vlan_rx_add_vid = velocity_vlan_rx_add_vid,
+ .ndo_vlan_rx_kill_vid = velocity_vlan_rx_kill_vid,
+ .ndo_vlan_rx_register = velocity_vlan_rx_register,
+};
+
/**
- * velocity_ethtool_up - pre hook for ethtool
- * @dev: network device
+ * velocity_init_info - init private data
+ * @pdev: PCI device
+ * @vptr: Velocity info
+ * @info: Board type
*
- * Called before an ethtool operation. We need to make sure the
- * chip is out of D3 state before we poke at it.
+ * Set up the initial velocity_info struct for the device that has been
+ * discovered.
*/
-
-static int velocity_ethtool_up(struct net_device *dev)
+static void __devinit velocity_init_info(struct pci_dev *pdev,
+ struct velocity_info *vptr,
+ const struct velocity_info_tbl *info)
{
- struct velocity_info *vptr = netdev_priv(dev);
- if (!netif_running(dev))
- pci_set_power_state(vptr->pdev, PCI_D0);
- return 0;
+ memset(vptr, 0, sizeof(struct velocity_info));
+
+ vptr->pdev = pdev;
+ vptr->chip_id = info->chip_id;
+ vptr->tx.numq = info->txqueue;
+ vptr->multicast_limit = MCAM_SIZE;
+ spin_lock_init(&vptr->lock);
+ INIT_LIST_HEAD(&vptr->list);
}
/**
- * velocity_ethtool_down - post hook for ethtool
- * @dev: network device
+ * velocity_get_pci_info - retrieve PCI info for device
+ * @vptr: velocity device
+ * @pdev: PCI device it matches
*
- * Called after an ethtool operation. Restore the chip back to D3
- * state if it isn't running.
+ * Retrieve the PCI configuration space data that interests us from
+ * the kernel PCI layer
*/
-
-static void velocity_ethtool_down(struct net_device *dev)
+static int __devinit velocity_get_pci_info(struct velocity_info *vptr, struct pci_dev *pdev)
{
- struct velocity_info *vptr = netdev_priv(dev);
- if (!netif_running(dev))
- pci_set_power_state(vptr->pdev, PCI_D3hot);
-}
+ vptr->rev_id = pdev->revision;
-static int velocity_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
-{
- struct velocity_info *vptr = netdev_priv(dev);
- struct mac_regs __iomem *regs = vptr->mac_regs;
- u32 status;
- status = check_connection_type(vptr->mac_regs);
+ pci_set_master(pdev);
- cmd->supported = SUPPORTED_TP |
- SUPPORTED_Autoneg |
- SUPPORTED_10baseT_Half |
- SUPPORTED_10baseT_Full |
- SUPPORTED_100baseT_Half |
- SUPPORTED_100baseT_Full |
- SUPPORTED_1000baseT_Half |
- SUPPORTED_1000baseT_Full;
- if (status & VELOCITY_SPEED_1000)
- cmd->speed = SPEED_1000;
- else if (status & VELOCITY_SPEED_100)
- cmd->speed = SPEED_100;
- else
- cmd->speed = SPEED_10;
- cmd->autoneg = (status & VELOCITY_AUTONEG_ENABLE) ? AUTONEG_ENABLE : AUTONEG_DISABLE;
- cmd->port = PORT_TP;
- cmd->transceiver = XCVR_INTERNAL;
- cmd->phy_address = readb(®s->MIIADR) & 0x1F;
+ vptr->ioaddr = pci_resource_start(pdev, 0);
+ vptr->memaddr = pci_resource_start(pdev, 1);
- if (status & VELOCITY_DUPLEX_FULL)
- cmd->duplex = DUPLEX_FULL;
- else
- cmd->duplex = DUPLEX_HALF;
+ if (!(pci_resource_flags(pdev, 0) & IORESOURCE_IO)) {
+ dev_err(&pdev->dev,
+ "region #0 is not an I/O resource, aborting.\n");
+ return -EINVAL;
+ }
+
+ if ((pci_resource_flags(pdev, 1) & IORESOURCE_IO)) {
+ dev_err(&pdev->dev,
+ "region #1 is an I/O resource, aborting.\n");
+ return -EINVAL;
+ }
+
+ if (pci_resource_len(pdev, 1) < VELOCITY_IO_SIZE) {
+ dev_err(&pdev->dev, "region #1 is too small.\n");
+ return -EINVAL;
+ }
+ vptr->pdev = pdev;
return 0;
}
-static int velocity_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
+/**
+ * velocity_print_info - per driver data
+ * @vptr: velocity
+ *
+ * Print per driver data as the kernel driver finds Velocity
+ * hardware
+ */
+static void __devinit velocity_print_info(struct velocity_info *vptr)
{
- struct velocity_info *vptr = netdev_priv(dev);
- u32 curr_status;
- u32 new_status = 0;
- int ret = 0;
-
- curr_status = check_connection_type(vptr->mac_regs);
- curr_status &= (~VELOCITY_LINK_FAIL);
-
- new_status |= ((cmd->autoneg) ? VELOCITY_AUTONEG_ENABLE : 0);
- new_status |= ((cmd->speed == SPEED_100) ? VELOCITY_SPEED_100 : 0);
- new_status |= ((cmd->speed == SPEED_10) ? VELOCITY_SPEED_10 : 0);
- new_status |= ((cmd->duplex == DUPLEX_FULL) ? VELOCITY_DUPLEX_FULL : 0);
-
- if ((new_status & VELOCITY_AUTONEG_ENABLE) && (new_status != (curr_status | VELOCITY_AUTONEG_ENABLE)))
- ret = -EINVAL;
- else
- velocity_set_media_mode(vptr, new_status);
+ struct net_device *dev = vptr->dev;
- return ret;
+ printk(KERN_INFO "%s: %s\n", dev->name, get_chip_name(vptr->chip_id));
+ printk(KERN_INFO "%s: Ethernet Address: %2.2X:%2.2X:%2.2X:%2.2X:%2.2X:%2.2X\n",
+ dev->name,
+ dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
+ dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5]);
}
static u32 velocity_get_link(struct net_device *dev)
return BYTE_REG_BITS_IS_ON(PHYSR0_LINKGD, ®s->PHYSR0) ? 1 : 0;
}
-static void velocity_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
-{
- struct velocity_info *vptr = netdev_priv(dev);
- strcpy(info->driver, VELOCITY_NAME);
- strcpy(info->version, VELOCITY_VERSION);
- strcpy(info->bus_info, pci_name(vptr->pdev));
-}
-static void velocity_ethtool_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
+/**
+ * velocity_found1 - set up discovered velocity card
+ * @pdev: PCI device
+ * @ent: PCI device table entry that matched
+ *
+ * Configure a discovered adapter from scratch. Return a negative
+ * errno error code on failure paths.
+ */
+static int __devinit velocity_found1(struct pci_dev *pdev, const struct pci_device_id *ent)
{
- struct velocity_info *vptr = netdev_priv(dev);
- wol->supported = WAKE_PHY | WAKE_MAGIC | WAKE_UCAST | WAKE_ARP;
- wol->wolopts |= WAKE_MAGIC;
- /*
- if (vptr->wol_opts & VELOCITY_WOL_PHY)
- wol.wolopts|=WAKE_PHY;
- */
- if (vptr->wol_opts & VELOCITY_WOL_UCAST)
- wol->wolopts |= WAKE_UCAST;
- if (vptr->wol_opts & VELOCITY_WOL_ARP)
- wol->wolopts |= WAKE_ARP;
- memcpy(&wol->sopass, vptr->wol_passwd, 6);
-}
+ static int first = 1;
+ struct net_device *dev;
+ int i;
+ const char *drv_string;
+ const struct velocity_info_tbl *info = &chip_info_table[ent->driver_data];
+ struct velocity_info *vptr;
+ struct mac_regs __iomem *regs;
+ int ret = -ENOMEM;
-static int velocity_ethtool_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
-{
- struct velocity_info *vptr = netdev_priv(dev);
+ /* FIXME: this driver, like almost all other ethernet drivers,
+ * can support more than MAX_UNITS.
+ */
+ if (velocity_nics >= MAX_UNITS) {
+ dev_notice(&pdev->dev, "already found %d NICs.\n",
+ velocity_nics);
+ return -ENODEV;
+ }
- if (!(wol->wolopts & (WAKE_PHY | WAKE_MAGIC | WAKE_UCAST | WAKE_ARP)))
- return -EFAULT;
- vptr->wol_opts = VELOCITY_WOL_MAGIC;
+ dev = alloc_etherdev(sizeof(struct velocity_info));
+ if (!dev) {
+ dev_err(&pdev->dev, "allocate net device failed.\n");
+ goto out;
+ }
- /*
- if (wol.wolopts & WAKE_PHY) {
- vptr->wol_opts|=VELOCITY_WOL_PHY;
- vptr->flags |=VELOCITY_FLAGS_WOL_ENABLED;
- }
- */
+ /* Chain it all together */
- if (wol->wolopts & WAKE_MAGIC) {
- vptr->wol_opts |= VELOCITY_WOL_MAGIC;
- vptr->flags |= VELOCITY_FLAGS_WOL_ENABLED;
+ SET_NETDEV_DEV(dev, &pdev->dev);
+ vptr = netdev_priv(dev);
+
+
+ if (first) {
+ printk(KERN_INFO "%s Ver. %s\n",
+ VELOCITY_FULL_DRV_NAM, VELOCITY_VERSION);
+ printk(KERN_INFO "Copyright (c) 2002, 2003 VIA Networking Technologies, Inc.\n");
+ printk(KERN_INFO "Copyright (c) 2004 Red Hat Inc.\n");
+ first = 0;
+ }
+
+ velocity_init_info(pdev, vptr, info);
+
+ vptr->dev = dev;
+
+ dev->irq = pdev->irq;
+
+ ret = pci_enable_device(pdev);
+ if (ret < 0)
+ goto err_free_dev;
+
+ ret = velocity_get_pci_info(vptr, pdev);
+ if (ret < 0) {
+ /* error message already printed */
+ goto err_disable;
}
- if (wol->wolopts & WAKE_UCAST) {
- vptr->wol_opts |= VELOCITY_WOL_UCAST;
- vptr->flags |= VELOCITY_FLAGS_WOL_ENABLED;
+
+ ret = pci_request_regions(pdev, VELOCITY_NAME);
+ if (ret < 0) {
+ dev_err(&pdev->dev, "No PCI resources.\n");
+ goto err_disable;
}
- if (wol->wolopts & WAKE_ARP) {
- vptr->wol_opts |= VELOCITY_WOL_ARP;
- vptr->flags |= VELOCITY_FLAGS_WOL_ENABLED;
+
+ regs = ioremap(vptr->memaddr, VELOCITY_IO_SIZE);
+ if (regs == NULL) {
+ ret = -EIO;
+ goto err_release_res;
}
- memcpy(vptr->wol_passwd, wol->sopass, 6);
- return 0;
-}
-static u32 velocity_get_msglevel(struct net_device *dev)
-{
- return msglevel;
-}
+ vptr->mac_regs = regs;
-static void velocity_set_msglevel(struct net_device *dev, u32 value)
-{
- msglevel = value;
-}
+ mac_wol_reset(regs);
-static const struct ethtool_ops velocity_ethtool_ops = {
- .get_settings = velocity_get_settings,
- .set_settings = velocity_set_settings,
- .get_drvinfo = velocity_get_drvinfo,
- .get_wol = velocity_ethtool_get_wol,
- .set_wol = velocity_ethtool_set_wol,
- .get_msglevel = velocity_get_msglevel,
- .set_msglevel = velocity_set_msglevel,
- .get_link = velocity_get_link,
- .begin = velocity_ethtool_up,
- .complete = velocity_ethtool_down
-};
+ dev->base_addr = vptr->ioaddr;
-/**
- * velocity_mii_ioctl - MII ioctl handler
- * @dev: network device
- * @ifr: the ifreq block for the ioctl
- * @cmd: the command
- *
- * Process MII requests made via ioctl from the network layer. These
- * are used by tools like kudzu to interrogate the link state of the
- * hardware
- */
+ for (i = 0; i < 6; i++)
+ dev->dev_addr[i] = readb(®s->PAR[i]);
-static int velocity_mii_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
-{
- struct velocity_info *vptr = netdev_priv(dev);
- struct mac_regs __iomem *regs = vptr->mac_regs;
- unsigned long flags;
- struct mii_ioctl_data *miidata = if_mii(ifr);
- int err;
- switch (cmd) {
- case SIOCGMIIPHY:
- miidata->phy_id = readb(®s->MIIADR) & 0x1f;
- break;
- case SIOCGMIIREG:
- if (!capable(CAP_NET_ADMIN))
- return -EPERM;
- if (velocity_mii_read(vptr->mac_regs, miidata->reg_num & 0x1f, &(miidata->val_out)) < 0)
- return -ETIMEDOUT;
- break;
- case SIOCSMIIREG:
- if (!capable(CAP_NET_ADMIN))
- return -EPERM;
- spin_lock_irqsave(&vptr->lock, flags);
- err = velocity_mii_write(vptr->mac_regs, miidata->reg_num & 0x1f, miidata->val_in);
- spin_unlock_irqrestore(&vptr->lock, flags);
- check_connection_type(vptr->mac_regs);
- if (err)
- return err;
- break;
- default:
- return -EOPNOTSUPP;
- }
- return 0;
-}
+ drv_string = dev_driver_string(&pdev->dev);
-#ifdef CONFIG_PM
+ velocity_get_options(&vptr->options, velocity_nics, drv_string);
-/**
- * velocity_save_context - save registers
- * @vptr: velocity
- * @context: buffer for stored context
- *
- * Retrieve the current configuration from the velocity hardware
- * and stash it in the context structure, for use by the context
- * restore functions. This allows us to save things we need across
- * power down states
- */
+ /*
+ * Mask out the options cannot be set to the chip
+ */
-static void velocity_save_context(struct velocity_info *vptr, struct velocity_context *context)
-{
- struct mac_regs __iomem *regs = vptr->mac_regs;
- u16 i;
- u8 __iomem *ptr = (u8 __iomem *)regs;
+ vptr->options.flags &= info->flags;
- for (i = MAC_REG_PAR; i < MAC_REG_CR0_CLR; i += 4)
- *((u32 *) (context->mac_reg + i)) = readl(ptr + i);
+ /*
+ * Enable the chip specified capbilities
+ */
- for (i = MAC_REG_MAR; i < MAC_REG_TDCSR_CLR; i += 4)
- *((u32 *) (context->mac_reg + i)) = readl(ptr + i);
+ vptr->flags = vptr->options.flags | (info->flags & 0xFF000000UL);
- for (i = MAC_REG_RDBASE_LO; i < MAC_REG_FIFO_TEST0; i += 4)
- *((u32 *) (context->mac_reg + i)) = readl(ptr + i);
+ vptr->wol_opts = vptr->options.wol_opts;
+ vptr->flags |= VELOCITY_FLAGS_WOL_ENABLED;
-}
+ vptr->phy_id = MII_GET_PHY_ID(vptr->mac_regs);
-/**
- * velocity_restore_context - restore registers
- * @vptr: velocity
- * @context: buffer for stored context
- *
- * Reload the register configuration from the velocity context
- * created by velocity_save_context.
- */
+ dev->irq = pdev->irq;
+ dev->netdev_ops = &velocity_netdev_ops;
+ dev->ethtool_ops = &velocity_ethtool_ops;
-static void velocity_restore_context(struct velocity_info *vptr, struct velocity_context *context)
-{
- struct mac_regs __iomem *regs = vptr->mac_regs;
- int i;
- u8 __iomem *ptr = (u8 __iomem *)regs;
+ dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_FILTER |
+ NETIF_F_HW_VLAN_RX;
- for (i = MAC_REG_PAR; i < MAC_REG_CR0_SET; i += 4)
- writel(*((u32 *) (context->mac_reg + i)), ptr + i);
+ if (vptr->flags & VELOCITY_FLAGS_TX_CSUM)
+ dev->features |= NETIF_F_IP_CSUM;
- /* Just skip cr0 */
- for (i = MAC_REG_CR1_SET; i < MAC_REG_CR0_CLR; i++) {
- /* Clear */
- writeb(~(*((u8 *) (context->mac_reg + i))), ptr + i + 4);
- /* Set */
- writeb(*((u8 *) (context->mac_reg + i)), ptr + i);
+ ret = register_netdev(dev);
+ if (ret < 0)
+ goto err_iounmap;
+
+ if (!velocity_get_link(dev)) {
+ netif_carrier_off(dev);
+ vptr->mii_status |= VELOCITY_LINK_FAIL;
}
- for (i = MAC_REG_MAR; i < MAC_REG_IMR; i += 4)
- writel(*((u32 *) (context->mac_reg + i)), ptr + i);
+ velocity_print_info(vptr);
+ pci_set_drvdata(pdev, dev);
- for (i = MAC_REG_RDBASE_LO; i < MAC_REG_FIFO_TEST0; i += 4)
- writel(*((u32 *) (context->mac_reg + i)), ptr + i);
+ /* and leave the chip powered down */
- for (i = MAC_REG_TDCSR_SET; i <= MAC_REG_RDCSR_SET; i++)
- writeb(*((u8 *) (context->mac_reg + i)), ptr + i);
+ pci_set_power_state(pdev, PCI_D3hot);
+#ifdef CONFIG_PM
+ {
+ unsigned long flags;
+
+ spin_lock_irqsave(&velocity_dev_list_lock, flags);
+ list_add(&vptr->list, &velocity_dev_list);
+ spin_unlock_irqrestore(&velocity_dev_list_lock, flags);
+ }
+#endif
+ velocity_nics++;
+out:
+ return ret;
+
+err_iounmap:
+ iounmap(regs);
+err_release_res:
+ pci_release_regions(pdev);
+err_disable:
+ pci_disable_device(pdev);
+err_free_dev:
+ free_netdev(dev);
+ goto out;
}
+
+#ifdef CONFIG_PM
/**
* wol_calc_crc - WOL CRC
* @pattern: data pattern
* Compute the wake on lan crc hashes for the packet header
* we are interested in.
*/
-
static u16 wol_calc_crc(int size, u8 *pattern, u8 *mask_pattern)
{
u16 crc = 0xFFFF;
*
* FIXME: check static buffer is safe here
*/
-
static int velocity_set_wol(struct velocity_info *vptr)
{
struct mac_regs __iomem *regs = vptr->mac_regs;
return 0;
}
+/**
+ * velocity_save_context - save registers
+ * @vptr: velocity
+ * @context: buffer for stored context
+ *
+ * Retrieve the current configuration from the velocity hardware
+ * and stash it in the context structure, for use by the context
+ * restore functions. This allows us to save things we need across
+ * power down states
+ */
+static void velocity_save_context(struct velocity_info *vptr, struct velocity_context *context)
+{
+ struct mac_regs __iomem *regs = vptr->mac_regs;
+ u16 i;
+ u8 __iomem *ptr = (u8 __iomem *)regs;
+
+ for (i = MAC_REG_PAR; i < MAC_REG_CR0_CLR; i += 4)
+ *((u32 *) (context->mac_reg + i)) = readl(ptr + i);
+
+ for (i = MAC_REG_MAR; i < MAC_REG_TDCSR_CLR; i += 4)
+ *((u32 *) (context->mac_reg + i)) = readl(ptr + i);
+
+ for (i = MAC_REG_RDBASE_LO; i < MAC_REG_FIFO_TEST0; i += 4)
+ *((u32 *) (context->mac_reg + i)) = readl(ptr + i);
+
+}
+
static int velocity_suspend(struct pci_dev *pdev, pm_message_t state)
{
struct net_device *dev = pci_get_drvdata(pdev);
pci_disable_device(pdev);
pci_set_power_state(pdev, pci_choose_state(pdev, state));
}
-#else
- pci_set_power_state(pdev, pci_choose_state(pdev, state));
-#endif
- spin_unlock_irqrestore(&vptr->lock, flags);
- return 0;
+#else
+ pci_set_power_state(pdev, pci_choose_state(pdev, state));
+#endif
+ spin_unlock_irqrestore(&vptr->lock, flags);
+ return 0;
+}
+
+/**
+ * velocity_restore_context - restore registers
+ * @vptr: velocity
+ * @context: buffer for stored context
+ *
+ * Reload the register configuration from the velocity context
+ * created by velocity_save_context.
+ */
+static void velocity_restore_context(struct velocity_info *vptr, struct velocity_context *context)
+{
+ struct mac_regs __iomem *regs = vptr->mac_regs;
+ int i;
+ u8 __iomem *ptr = (u8 __iomem *)regs;
+
+ for (i = MAC_REG_PAR; i < MAC_REG_CR0_SET; i += 4)
+ writel(*((u32 *) (context->mac_reg + i)), ptr + i);
+
+ /* Just skip cr0 */
+ for (i = MAC_REG_CR1_SET; i < MAC_REG_CR0_CLR; i++) {
+ /* Clear */
+ writeb(~(*((u8 *) (context->mac_reg + i))), ptr + i + 4);
+ /* Set */
+ writeb(*((u8 *) (context->mac_reg + i)), ptr + i);
+ }
+
+ for (i = MAC_REG_MAR; i < MAC_REG_IMR; i += 4)
+ writel(*((u32 *) (context->mac_reg + i)), ptr + i);
+
+ for (i = MAC_REG_RDBASE_LO; i < MAC_REG_FIFO_TEST0; i += 4)
+ writel(*((u32 *) (context->mac_reg + i)), ptr + i);
+
+ for (i = MAC_REG_TDCSR_SET; i <= MAC_REG_RDCSR_SET; i++)
+ writeb(*((u8 *) (context->mac_reg + i)), ptr + i);
}
static int velocity_resume(struct pci_dev *pdev)
return 0;
}
+#endif
-#ifdef CONFIG_INET
+/*
+ * Definition for our device driver. The PCI layer interface
+ * uses this to handle all our card discover and plugging
+ */
+static struct pci_driver velocity_driver = {
+ .name = VELOCITY_NAME,
+ .id_table = velocity_id_table,
+ .probe = velocity_found1,
+ .remove = __devexit_p(velocity_remove1),
+#ifdef CONFIG_PM
+ .suspend = velocity_suspend,
+ .resume = velocity_resume,
+#endif
+};
+
+
+/**
+ * velocity_ethtool_up - pre hook for ethtool
+ * @dev: network device
+ *
+ * Called before an ethtool operation. We need to make sure the
+ * chip is out of D3 state before we poke at it.
+ */
+static int velocity_ethtool_up(struct net_device *dev)
+{
+ struct velocity_info *vptr = netdev_priv(dev);
+ if (!netif_running(dev))
+ pci_set_power_state(vptr->pdev, PCI_D0);
+ return 0;
+}
+
+/**
+ * velocity_ethtool_down - post hook for ethtool
+ * @dev: network device
+ *
+ * Called after an ethtool operation. Restore the chip back to D3
+ * state if it isn't running.
+ */
+static void velocity_ethtool_down(struct net_device *dev)
+{
+ struct velocity_info *vptr = netdev_priv(dev);
+ if (!netif_running(dev))
+ pci_set_power_state(vptr->pdev, PCI_D3hot);
+}
+
+static int velocity_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
+{
+ struct velocity_info *vptr = netdev_priv(dev);
+ struct mac_regs __iomem *regs = vptr->mac_regs;
+ u32 status;
+ status = check_connection_type(vptr->mac_regs);
+
+ cmd->supported = SUPPORTED_TP |
+ SUPPORTED_Autoneg |
+ SUPPORTED_10baseT_Half |
+ SUPPORTED_10baseT_Full |
+ SUPPORTED_100baseT_Half |
+ SUPPORTED_100baseT_Full |
+ SUPPORTED_1000baseT_Half |
+ SUPPORTED_1000baseT_Full;
+ if (status & VELOCITY_SPEED_1000)
+ cmd->speed = SPEED_1000;
+ else if (status & VELOCITY_SPEED_100)
+ cmd->speed = SPEED_100;
+ else
+ cmd->speed = SPEED_10;
+ cmd->autoneg = (status & VELOCITY_AUTONEG_ENABLE) ? AUTONEG_ENABLE : AUTONEG_DISABLE;
+ cmd->port = PORT_TP;
+ cmd->transceiver = XCVR_INTERNAL;
+ cmd->phy_address = readb(®s->MIIADR) & 0x1F;
+
+ if (status & VELOCITY_DUPLEX_FULL)
+ cmd->duplex = DUPLEX_FULL;
+ else
+ cmd->duplex = DUPLEX_HALF;
+
+ return 0;
+}
+
+static int velocity_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
+{
+ struct velocity_info *vptr = netdev_priv(dev);
+ u32 curr_status;
+ u32 new_status = 0;
+ int ret = 0;
+
+ curr_status = check_connection_type(vptr->mac_regs);
+ curr_status &= (~VELOCITY_LINK_FAIL);
+
+ new_status |= ((cmd->autoneg) ? VELOCITY_AUTONEG_ENABLE : 0);
+ new_status |= ((cmd->speed == SPEED_100) ? VELOCITY_SPEED_100 : 0);
+ new_status |= ((cmd->speed == SPEED_10) ? VELOCITY_SPEED_10 : 0);
+ new_status |= ((cmd->duplex == DUPLEX_FULL) ? VELOCITY_DUPLEX_FULL : 0);
+
+ if ((new_status & VELOCITY_AUTONEG_ENABLE) && (new_status != (curr_status | VELOCITY_AUTONEG_ENABLE)))
+ ret = -EINVAL;
+ else
+ velocity_set_media_mode(vptr, new_status);
+
+ return ret;
+}
+
+static void velocity_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
+{
+ struct velocity_info *vptr = netdev_priv(dev);
+ strcpy(info->driver, VELOCITY_NAME);
+ strcpy(info->version, VELOCITY_VERSION);
+ strcpy(info->bus_info, pci_name(vptr->pdev));
+}
+
+static void velocity_ethtool_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
+{
+ struct velocity_info *vptr = netdev_priv(dev);
+ wol->supported = WAKE_PHY | WAKE_MAGIC | WAKE_UCAST | WAKE_ARP;
+ wol->wolopts |= WAKE_MAGIC;
+ /*
+ if (vptr->wol_opts & VELOCITY_WOL_PHY)
+ wol.wolopts|=WAKE_PHY;
+ */
+ if (vptr->wol_opts & VELOCITY_WOL_UCAST)
+ wol->wolopts |= WAKE_UCAST;
+ if (vptr->wol_opts & VELOCITY_WOL_ARP)
+ wol->wolopts |= WAKE_ARP;
+ memcpy(&wol->sopass, vptr->wol_passwd, 6);
+}
+
+static int velocity_ethtool_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
+{
+ struct velocity_info *vptr = netdev_priv(dev);
+
+ if (!(wol->wolopts & (WAKE_PHY | WAKE_MAGIC | WAKE_UCAST | WAKE_ARP)))
+ return -EFAULT;
+ vptr->wol_opts = VELOCITY_WOL_MAGIC;
+
+ /*
+ if (wol.wolopts & WAKE_PHY) {
+ vptr->wol_opts|=VELOCITY_WOL_PHY;
+ vptr->flags |=VELOCITY_FLAGS_WOL_ENABLED;
+ }
+ */
+
+ if (wol->wolopts & WAKE_MAGIC) {
+ vptr->wol_opts |= VELOCITY_WOL_MAGIC;
+ vptr->flags |= VELOCITY_FLAGS_WOL_ENABLED;
+ }
+ if (wol->wolopts & WAKE_UCAST) {
+ vptr->wol_opts |= VELOCITY_WOL_UCAST;
+ vptr->flags |= VELOCITY_FLAGS_WOL_ENABLED;
+ }
+ if (wol->wolopts & WAKE_ARP) {
+ vptr->wol_opts |= VELOCITY_WOL_ARP;
+ vptr->flags |= VELOCITY_FLAGS_WOL_ENABLED;
+ }
+ memcpy(vptr->wol_passwd, wol->sopass, 6);
+ return 0;
+}
+
+static u32 velocity_get_msglevel(struct net_device *dev)
+{
+ return msglevel;
+}
+
+static void velocity_set_msglevel(struct net_device *dev, u32 value)
+{
+ msglevel = value;
+}
+
+static const struct ethtool_ops velocity_ethtool_ops = {
+ .get_settings = velocity_get_settings,
+ .set_settings = velocity_set_settings,
+ .get_drvinfo = velocity_get_drvinfo,
+ .get_wol = velocity_ethtool_get_wol,
+ .set_wol = velocity_ethtool_set_wol,
+ .get_msglevel = velocity_get_msglevel,
+ .set_msglevel = velocity_set_msglevel,
+ .get_link = velocity_get_link,
+ .begin = velocity_ethtool_up,
+ .complete = velocity_ethtool_down
+};
+#ifdef CONFIG_PM
+#ifdef CONFIG_INET
static int velocity_netdev_event(struct notifier_block *nb, unsigned long notification, void *ptr)
{
struct in_ifaddr *ifa = (struct in_ifaddr *) ptr;
return NOTIFY_DONE;
}
+#endif /* CONFIG_INET */
+#endif /* CONFIG_PM */
-#endif
-#endif
+#if defined(CONFIG_PM) && defined(CONFIG_INET)
+static struct notifier_block velocity_inetaddr_notifier = {
+ .notifier_call = velocity_netdev_event,
+};
+
+static void velocity_register_notifier(void)
+{
+ register_inetaddr_notifier(&velocity_inetaddr_notifier);
+}
+
+static void velocity_unregister_notifier(void)
+{
+ unregister_inetaddr_notifier(&velocity_inetaddr_notifier);
+}
+
+#else
+
+#define velocity_register_notifier() do {} while (0)
+#define velocity_unregister_notifier() do {} while (0)
+
+#endif /* defined(CONFIG_PM) && defined(CONFIG_INET) */
+
+/**
+ * velocity_init_module - load time function
+ *
+ * Called when the velocity module is loaded. The PCI driver
+ * is registered with the PCI layer, and in turn will call
+ * the probe functions for each velocity adapter installed
+ * in the system.
+ */
+static int __init velocity_init_module(void)
+{
+ int ret;
+
+ velocity_register_notifier();
+ ret = pci_register_driver(&velocity_driver);
+ if (ret < 0)
+ velocity_unregister_notifier();
+ return ret;
+}
+
+/**
+ * velocity_cleanup - module unload
+ *
+ * When the velocity hardware is unloaded this function is called.
+ * It will clean up the notifiers and the unregister the PCI
+ * driver interface for this hardware. This in turn cleans up
+ * all discovered interfaces before returning from the function
+ */
+static void __exit velocity_cleanup_module(void)
+{
+ velocity_unregister_notifier();
+ pci_unregister_driver(&velocity_driver);
+}
+
+module_init(velocity_init_module);
+module_exit(velocity_cleanup_module);
projects / GitHub / LineageOS / android_kernel_motorola_exynos9610.git / commitdiff