diff options
Diffstat (limited to 'drivers/usb/net/pegasus.c')
| -rw-r--r-- | drivers/usb/net/pegasus.c | 1504 |
1 files changed, 0 insertions, 1504 deletions
diff --git a/drivers/usb/net/pegasus.c b/drivers/usb/net/pegasus.c deleted file mode 100644 index a05fd97e5bc2..000000000000 --- a/drivers/usb/net/pegasus.c +++ /dev/null @@ -1,1504 +0,0 @@ -/* - * Copyright (c) 1999-2005 Petko Manolov (petkan@users.sourceforge.net) - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * ChangeLog: - * .... Most of the time spent on reading sources & docs. - * v0.2.x First official release for the Linux kernel. - * v0.3.0 Beutified and structured, some bugs fixed. - * v0.3.x URBifying bulk requests and bugfixing. First relatively - * stable release. Still can touch device's registers only - * from top-halves. - * v0.4.0 Control messages remained unurbified are now URBs. - * Now we can touch the HW at any time. - * v0.4.9 Control urbs again use process context to wait. Argh... - * Some long standing bugs (enable_net_traffic) fixed. - * Also nasty trick about resubmiting control urb from - * interrupt context used. Please let me know how it - * behaves. Pegasus II support added since this version. - * TODO: suppressing HCD warnings spewage on disconnect. - * v0.4.13 Ethernet address is now set at probe(), not at open() - * time as this seems to break dhcpd. - * v0.5.0 branch to 2.5.x kernels - * v0.5.1 ethtool support added - * v0.5.5 rx socket buffers are in a pool and the their allocation - * is out of the interrupt routine. - */ - -#include <linux/sched.h> -#include <linux/slab.h> -#include <linux/init.h> -#include <linux/delay.h> -#include <linux/netdevice.h> -#include <linux/etherdevice.h> -#include <linux/ethtool.h> -#include <linux/mii.h> -#include <linux/usb.h> -#include <linux/module.h> -#include <asm/byteorder.h> -#include <asm/uaccess.h> -#include "pegasus.h" - -/* - * Version Information - */ -#define DRIVER_VERSION "v0.6.14 (2006/09/27)" -#define DRIVER_AUTHOR "Petko Manolov <petkan@users.sourceforge.net>" -#define DRIVER_DESC "Pegasus/Pegasus II USB Ethernet driver" - -static const char driver_name[] = "pegasus"; - -#undef PEGASUS_WRITE_EEPROM -#define BMSR_MEDIA (BMSR_10HALF | BMSR_10FULL | BMSR_100HALF | \ - BMSR_100FULL | BMSR_ANEGCAPABLE) - -static int loopback = 0; -static int mii_mode = 0; -static char *devid=NULL; - -static struct usb_eth_dev usb_dev_id[] = { -#define PEGASUS_DEV(pn, vid, pid, flags) \ - {.name = pn, .vendor = vid, .device = pid, .private = flags}, -#include "pegasus.h" -#undef PEGASUS_DEV - {NULL, 0, 0, 0}, - {NULL, 0, 0, 0} -}; - -static struct usb_device_id pegasus_ids[] = { -#define PEGASUS_DEV(pn, vid, pid, flags) \ - {.match_flags = USB_DEVICE_ID_MATCH_DEVICE, .idVendor = vid, .idProduct = pid}, -#include "pegasus.h" -#undef PEGASUS_DEV - {}, - {} -}; - -MODULE_AUTHOR(DRIVER_AUTHOR); -MODULE_DESCRIPTION(DRIVER_DESC); -MODULE_LICENSE("GPL"); -module_param(loopback, bool, 0); -module_param(mii_mode, bool, 0); -module_param(devid, charp, 0); -MODULE_PARM_DESC(loopback, "Enable MAC loopback mode (bit 0)"); -MODULE_PARM_DESC(mii_mode, "Enable HomePNA mode (bit 0),default=MII mode = 0"); -MODULE_PARM_DESC(devid, "The format is: 'DEV_name:VendorID:DeviceID:Flags'"); - -/* use ethtool to change the level for any given device */ -static int msg_level = -1; -module_param (msg_level, int, 0); -MODULE_PARM_DESC (msg_level, "Override default message level"); - -MODULE_DEVICE_TABLE(usb, pegasus_ids); - -static int update_eth_regs_async(pegasus_t *); -/* Aargh!!! I _really_ hate such tweaks */ -static void ctrl_callback(struct urb *urb) -{ - pegasus_t *pegasus = urb->context; - - if (!pegasus) - return; - - switch (urb->status) { - case 0: - if (pegasus->flags & ETH_REGS_CHANGE) { - pegasus->flags &= ~ETH_REGS_CHANGE; - pegasus->flags |= ETH_REGS_CHANGED; - update_eth_regs_async(pegasus); - return; - } - break; - case -EINPROGRESS: - return; - case -ENOENT: - break; - default: - if (netif_msg_drv(pegasus)) - dev_dbg(&pegasus->intf->dev, "%s, status %d\n", - __FUNCTION__, urb->status); - } - pegasus->flags &= ~ETH_REGS_CHANGED; - wake_up(&pegasus->ctrl_wait); -} - -static int get_registers(pegasus_t * pegasus, __u16 indx, __u16 size, - void *data) -{ - int ret; - char *buffer; - DECLARE_WAITQUEUE(wait, current); - - buffer = kmalloc(size, GFP_KERNEL); - if (!buffer) { - if (netif_msg_drv(pegasus)) - dev_warn(&pegasus->intf->dev, "out of memory in %s\n", - __FUNCTION__); - return -ENOMEM; - } - add_wait_queue(&pegasus->ctrl_wait, &wait); - set_current_state(TASK_UNINTERRUPTIBLE); - while (pegasus->flags & ETH_REGS_CHANGED) - schedule(); - remove_wait_queue(&pegasus->ctrl_wait, &wait); - set_current_state(TASK_RUNNING); - - pegasus->dr.bRequestType = PEGASUS_REQT_READ; - pegasus->dr.bRequest = PEGASUS_REQ_GET_REGS; - pegasus->dr.wValue = cpu_to_le16(0); - pegasus->dr.wIndex = cpu_to_le16p(&indx); - pegasus->dr.wLength = cpu_to_le16p(&size); - pegasus->ctrl_urb->transfer_buffer_length = size; - - usb_fill_control_urb(pegasus->ctrl_urb, pegasus->usb, - usb_rcvctrlpipe(pegasus->usb, 0), - (char *) &pegasus->dr, - buffer, size, ctrl_callback, pegasus); - - add_wait_queue(&pegasus->ctrl_wait, &wait); - set_current_state(TASK_UNINTERRUPTIBLE); - - /* using ATOMIC, we'd never wake up if we slept */ - if ((ret = usb_submit_urb(pegasus->ctrl_urb, GFP_ATOMIC))) { - set_current_state(TASK_RUNNING); - if (ret == -ENODEV) - netif_device_detach(pegasus->net); - if (netif_msg_drv(pegasus)) - dev_err(&pegasus->intf->dev, "%s, status %d\n", - __FUNCTION__, ret); - goto out; - } - - schedule(); -out: - remove_wait_queue(&pegasus->ctrl_wait, &wait); - memcpy(data, buffer, size); - kfree(buffer); - - return ret; -} - -static int set_registers(pegasus_t * pegasus, __u16 indx, __u16 size, - void *data) -{ - int ret; - char *buffer; - DECLARE_WAITQUEUE(wait, current); - - buffer = kmalloc(size, GFP_KERNEL); - if (!buffer) { - if (netif_msg_drv(pegasus)) - dev_warn(&pegasus->intf->dev, "out of memory in %s\n", - __FUNCTION__); - return -ENOMEM; - } - memcpy(buffer, data, size); - - add_wait_queue(&pegasus->ctrl_wait, &wait); - set_current_state(TASK_UNINTERRUPTIBLE); - while (pegasus->flags & ETH_REGS_CHANGED) - schedule(); - remove_wait_queue(&pegasus->ctrl_wait, &wait); - set_current_state(TASK_RUNNING); - - pegasus->dr.bRequestType = PEGASUS_REQT_WRITE; - pegasus->dr.bRequest = PEGASUS_REQ_SET_REGS; - pegasus->dr.wValue = cpu_to_le16(0); - pegasus->dr.wIndex = cpu_to_le16p(&indx); - pegasus->dr.wLength = cpu_to_le16p(&size); - pegasus->ctrl_urb->transfer_buffer_length = size; - - usb_fill_control_urb(pegasus->ctrl_urb, pegasus->usb, - usb_sndctrlpipe(pegasus->usb, 0), - (char *) &pegasus->dr, - buffer, size, ctrl_callback, pegasus); - - add_wait_queue(&pegasus->ctrl_wait, &wait); - set_current_state(TASK_UNINTERRUPTIBLE); - - if ((ret = usb_submit_urb(pegasus->ctrl_urb, GFP_ATOMIC))) { - if (ret == -ENODEV) - netif_device_detach(pegasus->net); - if (netif_msg_drv(pegasus)) - dev_err(&pegasus->intf->dev, "%s, status %d\n", - __FUNCTION__, ret); - goto out; - } - - schedule(); -out: - remove_wait_queue(&pegasus->ctrl_wait, &wait); - kfree(buffer); - - return ret; -} - -static int set_register(pegasus_t * pegasus, __u16 indx, __u8 data) -{ - int ret; - char *tmp; - DECLARE_WAITQUEUE(wait, current); - - tmp = kmalloc(1, GFP_KERNEL); - if (!tmp) { - if (netif_msg_drv(pegasus)) - dev_warn(&pegasus->intf->dev, "out of memory in %s\n", - __FUNCTION__); - return -ENOMEM; - } - memcpy(tmp, &data, 1); - add_wait_queue(&pegasus->ctrl_wait, &wait); - set_current_state(TASK_UNINTERRUPTIBLE); - while (pegasus->flags & ETH_REGS_CHANGED) - schedule(); - remove_wait_queue(&pegasus->ctrl_wait, &wait); - set_current_state(TASK_RUNNING); - - pegasus->dr.bRequestType = PEGASUS_REQT_WRITE; - pegasus->dr.bRequest = PEGASUS_REQ_SET_REG; - pegasus->dr.wValue = cpu_to_le16(data); - pegasus->dr.wIndex = cpu_to_le16p(&indx); - pegasus->dr.wLength = cpu_to_le16(1); - pegasus->ctrl_urb->transfer_buffer_length = 1; - - usb_fill_control_urb(pegasus->ctrl_urb, pegasus->usb, - usb_sndctrlpipe(pegasus->usb, 0), - (char *) &pegasus->dr, - tmp, 1, ctrl_callback, pegasus); - - add_wait_queue(&pegasus->ctrl_wait, &wait); - set_current_state(TASK_UNINTERRUPTIBLE); - - if ((ret = usb_submit_urb(pegasus->ctrl_urb, GFP_ATOMIC))) { - if (ret == -ENODEV) - netif_device_detach(pegasus->net); - if (netif_msg_drv(pegasus)) - dev_err(&pegasus->intf->dev, "%s, status %d\n", - __FUNCTION__, ret); - goto out; - } - - schedule(); -out: - remove_wait_queue(&pegasus->ctrl_wait, &wait); - kfree(tmp); - - return ret; -} - -static int update_eth_regs_async(pegasus_t * pegasus) -{ - int ret; - - pegasus->dr.bRequestType = PEGASUS_REQT_WRITE; - pegasus->dr.bRequest = PEGASUS_REQ_SET_REGS; - pegasus->dr.wValue = 0; - pegasus->dr.wIndex = cpu_to_le16(EthCtrl0); - pegasus->dr.wLength = cpu_to_le16(3); - pegasus->ctrl_urb->transfer_buffer_length = 3; - - usb_fill_control_urb(pegasus->ctrl_urb, pegasus->usb, - usb_sndctrlpipe(pegasus->usb, 0), - (char *) &pegasus->dr, - pegasus->eth_regs, 3, ctrl_callback, pegasus); - - if ((ret = usb_submit_urb(pegasus->ctrl_urb, GFP_ATOMIC))) { - if (ret == -ENODEV) - netif_device_detach(pegasus->net); - if (netif_msg_drv(pegasus)) - dev_err(&pegasus->intf->dev, "%s, status %d\n", - __FUNCTION__, ret); - } - - return ret; -} - -/* Returns 0 on success, error on failure */ -static int read_mii_word(pegasus_t * pegasus, __u8 phy, __u8 indx, __u16 * regd) -{ - int i; - __u8 data[4] = { phy, 0, 0, indx }; - __le16 regdi; - int ret; - - set_register(pegasus, PhyCtrl, 0); - set_registers(pegasus, PhyAddr, sizeof (data), data); - set_register(pegasus, PhyCtrl, (indx | PHY_READ)); - for (i = 0; i < REG_TIMEOUT; i++) { - ret = get_registers(pegasus, PhyCtrl, 1, data); - if (ret == -ESHUTDOWN) - goto fail; - if (data[0] & PHY_DONE) - break; - } - if (i < REG_TIMEOUT) { - ret = get_registers(pegasus, PhyData, 2, ®di); - *regd = le16_to_cpu(regdi); - return ret; - } -fail: - if (netif_msg_drv(pegasus)) - dev_warn(&pegasus->intf->dev, "%s failed\n", __FUNCTION__); - - return ret; -} - -static int mdio_read(struct net_device *dev, int phy_id, int loc) -{ - pegasus_t *pegasus = (pegasus_t *) netdev_priv(dev); - u16 res; - - read_mii_word(pegasus, phy_id, loc, &res); - return (int)res; -} - -static int write_mii_word(pegasus_t * pegasus, __u8 phy, __u8 indx, __u16 regd) -{ - int i; - __u8 data[4] = { phy, 0, 0, indx }; - int ret; - - data[1] = (u8) regd; - data[2] = (u8) (regd >> 8); - set_register(pegasus, PhyCtrl, 0); - set_registers(pegasus, PhyAddr, sizeof(data), data); - set_register(pegasus, PhyCtrl, (indx | PHY_WRITE)); - for (i = 0; i < REG_TIMEOUT; i++) { - ret = get_registers(pegasus, PhyCtrl, 1, data); - if (ret == -ESHUTDOWN) - goto fail; - if (data[0] & PHY_DONE) - break; - } - if (i < REG_TIMEOUT) - return ret; - -fail: - if (netif_msg_drv(pegasus)) - dev_warn(&pegasus->intf->dev, "%s failed\n", __FUNCTION__); - return -ETIMEDOUT; -} - -static void mdio_write(struct net_device *dev, int phy_id, int loc, int val) -{ - pegasus_t *pegasus = (pegasus_t *) netdev_priv(dev); - - write_mii_word(pegasus, phy_id, loc, val); -} - -static int read_eprom_word(pegasus_t * pegasus, __u8 index, __u16 * retdata) -{ - int i; - __u8 tmp; - __le16 retdatai; - int ret; - - set_register(pegasus, EpromCtrl, 0); - set_register(pegasus, EpromOffset, index); - set_register(pegasus, EpromCtrl, EPROM_READ); - - for (i = 0; i < REG_TIMEOUT; i++) { - ret = get_registers(pegasus, EpromCtrl, 1, &tmp); - if (tmp & EPROM_DONE) - break; - if (ret == -ESHUTDOWN) - goto fail; - } - if (i < REG_TIMEOUT) { - ret = get_registers(pegasus, EpromData, 2, &retdatai); - *retdata = le16_to_cpu(retdatai); - return ret; - } - -fail: - if (netif_msg_drv(pegasus)) - dev_warn(&pegasus->intf->dev, "%s failed\n", __FUNCTION__); - return -ETIMEDOUT; -} - -#ifdef PEGASUS_WRITE_EEPROM -static inline void enable_eprom_write(pegasus_t * pegasus) -{ - __u8 tmp; - int ret; - - get_registers(pegasus, EthCtrl2, 1, &tmp); - set_register(pegasus, EthCtrl2, tmp | EPROM_WR_ENABLE); -} - -static inline void disable_eprom_write(pegasus_t * pegasus) -{ - __u8 tmp; - int ret; - - get_registers(pegasus, EthCtrl2, 1, &tmp); - set_register(pegasus, EpromCtrl, 0); - set_register(pegasus, EthCtrl2, tmp & ~EPROM_WR_ENABLE); -} - -static int write_eprom_word(pegasus_t * pegasus, __u8 index, __u16 data) -{ - int i; - __u8 tmp, d[4] = { 0x3f, 0, 0, EPROM_WRITE }; - int ret; - - set_registers(pegasus, EpromOffset, 4, d); - enable_eprom_write(pegasus); - set_register(pegasus, EpromOffset, index); - set_registers(pegasus, EpromData, 2, &data); - set_register(pegasus, EpromCtrl, EPROM_WRITE); - - for (i = 0; i < REG_TIMEOUT; i++) { - ret = get_registers(pegasus, EpromCtrl, 1, &tmp); - if (ret == -ESHUTDOWN) - goto fail; - if (tmp & EPROM_DONE) - break; - } - disable_eprom_write(pegasus); - if (i < REG_TIMEOUT) - return ret; -fail: - if (netif_msg_drv(pegasus)) - dev_warn(&pegasus->intf->dev, "%s failed\n", __FUNCTION__); - return -ETIMEDOUT; -} -#endif /* PEGASUS_WRITE_EEPROM */ - -static inline void get_node_id(pegasus_t * pegasus, __u8 * id) -{ - int i; - __u16 w16; - - for (i = 0; i < 3; i++) { - read_eprom_word(pegasus, i, &w16); - ((__le16 *) id)[i] = cpu_to_le16p(&w16); - } -} - -static void set_ethernet_addr(pegasus_t * pegasus) -{ - __u8 node_id[6]; - - if (pegasus->features & PEGASUS_II) { - get_registers(pegasus, 0x10, sizeof(node_id), node_id); - } else { - get_node_id(pegasus, node_id); - set_registers(pegasus, EthID, sizeof (node_id), node_id); - } - memcpy(pegasus->net->dev_addr, node_id, sizeof (node_id)); -} - -static inline int reset_mac(pegasus_t * pegasus) -{ - __u8 data = 0x8; - int i; - - set_register(pegasus, EthCtrl1, data); - for (i = 0; i < REG_TIMEOUT; i++) { - get_registers(pegasus, EthCtrl1, 1, &data); - if (~data & 0x08) { - if (loopback & 1) - break; - if (mii_mode && (pegasus->features & HAS_HOME_PNA)) - set_register(pegasus, Gpio1, 0x34); - else - set_register(pegasus, Gpio1, 0x26); - set_register(pegasus, Gpio0, pegasus->features); - set_register(pegasus, Gpio0, DEFAULT_GPIO_SET); - break; - } - } - if (i == REG_TIMEOUT) - return -ETIMEDOUT; - - if (usb_dev_id[pegasus->dev_index].vendor == VENDOR_LINKSYS || - usb_dev_id[pegasus->dev_index].vendor == VENDOR_DLINK) { - set_register(pegasus, Gpio0, 0x24); - set_register(pegasus, Gpio0, 0x26); - } - if (usb_dev_id[pegasus->dev_index].vendor == VENDOR_ELCON) { - __u16 auxmode; - read_mii_word(pegasus, 3, 0x1b, &auxmode); - write_mii_word(pegasus, 3, 0x1b, auxmode | 4); - } - - return 0; -} - -static int enable_net_traffic(struct net_device *dev, struct usb_device *usb) -{ - __u16 linkpart; - __u8 data[4]; - pegasus_t *pegasus = netdev_priv(dev); - int ret; - - read_mii_word(pegasus, pegasus->phy, MII_LPA, &linkpart); - data[0] = 0xc9; - data[1] = 0; - if (linkpart & (ADVERTISE_100FULL | ADVERTISE_10FULL)) - data[1] |= 0x20; /* set full duplex */ - if (linkpart & (ADVERTISE_100FULL | ADVERTISE_100HALF)) - data[1] |= 0x10; /* set 100 Mbps */ - if (mii_mode) - data[1] = 0; - data[2] = (loopback & 1) ? 0x09 : 0x01; - - memcpy(pegasus->eth_regs, data, sizeof (data)); - ret = set_registers(pegasus, EthCtrl0, 3, data); - - if (usb_dev_id[pegasus->dev_index].vendor == VENDOR_LINKSYS || - usb_dev_id[pegasus->dev_index].vendor == VENDOR_LINKSYS2 || - usb_dev_id[pegasus->dev_index].vendor == VENDOR_DLINK) { - u16 auxmode; - read_mii_word(pegasus, 0, 0x1b, &auxmode); - write_mii_word(pegasus, 0, 0x1b, auxmode | 4); - } - - return ret; -} - -static void fill_skb_pool(pegasus_t * pegasus) -{ - int i; - - for (i = 0; i < RX_SKBS; i++) { - if (pegasus->rx_pool[i]) - continue; - pegasus->rx_pool[i] = dev_alloc_skb(PEGASUS_MTU + 2); - /* - ** we give up if the allocation fail. the tasklet will be - ** rescheduled again anyway... - */ - if (pegasus->rx_pool[i] == NULL) - return; - skb_reserve(pegasus->rx_pool[i], 2); - } -} - -static void free_skb_pool(pegasus_t * pegasus) -{ - int i; - - for (i = 0; i < RX_SKBS; i++) { - if (pegasus->rx_pool[i]) { - dev_kfree_skb(pegasus->rx_pool[i]); - pegasus->rx_pool[i] = NULL; - } - } -} - -static inline struct sk_buff *pull_skb(pegasus_t * pegasus) -{ - int i; - struct sk_buff *skb; - - for (i = 0; i < RX_SKBS; i++) { - if (likely(pegasus->rx_pool[i] != NULL)) { - skb = pegasus->rx_pool[i]; - pegasus->rx_pool[i] = NULL; - return skb; - } - } - return NULL; -} - -static void read_bulk_callback(struct urb *urb) -{ - pegasus_t *pegasus = urb->context; - struct net_device *net; - int rx_status, count = urb->actual_length; - u8 *buf = urb->transfer_buffer; - __u16 pkt_len; - - if (!pegasus) - return; - - net = pegasus->net; - if (!netif_device_present(net) || !netif_running(net)) - return; - - switch (urb->status) { - case 0: - break; - case -ETIME: - if (netif_msg_rx_err(pegasus)) - pr_debug("%s: reset MAC\n", net->name); - pegasus->flags &= ~PEGASUS_RX_BUSY; - break; - case -EPIPE: /* stall, or disconnect from TT */ - /* FIXME schedule work to clear the halt */ - if (netif_msg_rx_err(pegasus)) - printk(KERN_WARNING "%s: no rx stall recovery\n", - net->name); - return; - case -ENOENT: - case -ECONNRESET: - case -ESHUTDOWN: - if (netif_msg_ifdown(pegasus)) - pr_debug("%s: rx unlink, %d\n", net->name, urb->status); - return; - default: - if (netif_msg_rx_err(pegasus)) - pr_debug("%s: RX status %d\n", net->name, urb->status); - goto goon; - } - - if (!count || count < 4) - goto goon; - - rx_status = buf[count - 2]; - if (rx_status & 0x1e) { - if (netif_msg_rx_err(pegasus)) - pr_debug("%s: RX packet error %x\n", - net->name, rx_status); - pegasus->stats.rx_errors++; - if (rx_status & 0x06) // long or runt - pegasus->stats.rx_length_errors++; - if (rx_status & 0x08) - pegasus->stats.rx_crc_errors++; - if (rx_status & 0x10) // extra bits - pegasus->stats.rx_frame_errors++; - goto goon; - } - if (pegasus->chip == 0x8513) { - pkt_len = le32_to_cpu(*(__le32 *)urb->transfer_buffer); - pkt_len &= 0x0fff; - pegasus->rx_skb->data += 2; - } else { - pkt_len = buf[count - 3] << 8; - pkt_len += buf[count - 4]; - pkt_len &= 0xfff; - pkt_len -= 8; - } - - /* - * If the packet is unreasonably long, quietly drop it rather than - * kernel panicing by calling skb_put. - */ - if (pkt_len > PEGASUS_MTU) - goto goon; - - /* - * at this point we are sure pegasus->rx_skb != NULL - * so we go ahead and pass up the packet. - */ - skb_put(pegasus->rx_skb, pkt_len); - pegasus->rx_skb->protocol = eth_type_trans(pegasus->rx_skb, net); - netif_rx(pegasus->rx_skb); - pegasus->stats.rx_packets++; - pegasus->stats.rx_bytes += pkt_len; - - if (pegasus->flags & PEGASUS_UNPLUG) - return; - - spin_lock(&pegasus->rx_pool_lock); - pegasus->rx_skb = pull_skb(pegasus); - spin_unlock(&pegasus->rx_pool_lock); - - if (pegasus->rx_skb == NULL) - goto tl_sched; -goon: - usb_fill_bulk_urb(pegasus->rx_urb, pegasus->usb, - usb_rcvbulkpipe(pegasus->usb, 1), - pegasus->rx_skb->data, PEGASUS_MTU + 8, - read_bulk_callback, pegasus); - rx_status = usb_submit_urb(pegasus->rx_urb, GFP_ATOMIC); - if (rx_status == -ENODEV) - netif_device_detach(pegasus->net); - else if (rx_status) { - pegasus->flags |= PEGASUS_RX_URB_FAIL; - goto tl_sched; - } else { - pegasus->flags &= ~PEGASUS_RX_URB_FAIL; - } - - return; - -tl_sched: - tasklet_schedule(&pegasus->rx_tl); -} - -static void rx_fixup(unsigned long data) -{ - pegasus_t *pegasus; - unsigned long flags; - int status; - - pegasus = (pegasus_t *) data; - if (pegasus->flags & PEGASUS_UNPLUG) - return; - - spin_lock_irqsave(&pegasus->rx_pool_lock, flags); - fill_skb_pool(pegasus); - if (pegasus->flags & PEGASUS_RX_URB_FAIL) - if (pegasus->rx_skb) - goto try_again; - if (pegasus->rx_skb == NULL) { - pegasus->rx_skb = pull_skb(pegasus); - } - if (pegasus->rx_skb == NULL) { - if (netif_msg_rx_err(pegasus)) - printk(KERN_WARNING "%s: low on memory\n", - pegasus->net->name); - tasklet_schedule(&pegasus->rx_tl); - goto done; - } - usb_fill_bulk_urb(pegasus->rx_urb, pegasus->usb, - usb_rcvbulkpipe(pegasus->usb, 1), - pegasus->rx_skb->data, PEGASUS_MTU + 8, - read_bulk_callback, pegasus); -try_again: - status = usb_submit_urb(pegasus->rx_urb, GFP_ATOMIC); - if (status == -ENODEV) - netif_device_detach(pegasus->net); - else if (status) { - pegasus->flags |= PEGASUS_RX_URB_FAIL; - tasklet_schedule(&pegasus->rx_tl); - } else { - pegasus->flags &= ~PEGASUS_RX_URB_FAIL; - } -done: - spin_unlock_irqrestore(&pegasus->rx_pool_lock, flags); -} - -static void write_bulk_callback(struct urb *urb) -{ - pegasus_t *pegasus = urb->context; - struct net_device *net = pegasus->net; - - if (!pegasus) - return; - - if (!netif_device_present(net) || !netif_running(net)) - return; - - switch (urb->status) { - case -EPIPE: - /* FIXME schedule_work() to clear the tx halt */ - netif_stop_queue(net); - if (netif_msg_tx_err(pegasus)) - printk(KERN_WARNING "%s: no tx stall recovery\n", - net->name); - return; - case -ENOENT: - case -ECONNRESET: - case -ESHUTDOWN: - if (netif_msg_ifdown(pegasus)) - pr_debug("%s: tx unlink, %d\n", net->name, urb->status); - return; - default: - if (netif_msg_tx_err(pegasus)) - pr_info("%s: TX status %d\n", net->name, urb->status); - /* FALL THROUGH */ - case 0: - break; - } - - net->trans_start = jiffies; - netif_wake_queue(net); -} - -static void intr_callback(struct urb *urb) -{ - pegasus_t *pegasus = urb->context; - struct net_device *net; - int status; - - if (!pegasus) - return; - net = pegasus->net; - - switch (urb->status) { - case 0: - break; - case -ECONNRESET: /* unlink */ - case -ENOENT: - case -ESHUTDOWN: - return; - default: - /* some Pegasus-I products report LOTS of data - * toggle errors... avoid log spamming - */ - if (netif_msg_timer(pegasus)) - pr_debug("%s: intr status %d\n", net->name, - urb->status); - } - - if (urb->actual_length >= 6) { - u8 * d = urb->transfer_buffer; - - /* byte 0 == tx_status1, reg 2B */ - if (d[0] & (TX_UNDERRUN|EXCESSIVE_COL - |LATE_COL|JABBER_TIMEOUT)) { - pegasus->stats.tx_errors++; - if (d[0] & TX_UNDERRUN) - pegasus->stats.tx_fifo_errors++; - if (d[0] & (EXCESSIVE_COL | JABBER_TIMEOUT)) - pegasus->stats.tx_aborted_errors++; - if (d[0] & LATE_COL) - pegasus->stats.tx_window_errors++; - } - - /* d[5].LINK_STATUS lies on some adapters. - * d[0].NO_CARRIER kicks in only with failed TX. - * ... so monitoring with MII may be safest. - */ - - /* bytes 3-4 == rx_lostpkt, reg 2E/2F */ - pegasus->stats.rx_missed_errors += ((d[3] & 0x7f) << 8) | d[4]; - } - - status = usb_submit_urb(urb, GFP_ATOMIC); - if (status == -ENODEV) - netif_device_detach(pegasus->net); - if (status && netif_msg_timer(pegasus)) - printk(KERN_ERR "%s: can't resubmit interrupt urb, %d\n", - net->name, status); -} - -static void pegasus_tx_timeout(struct net_device *net) -{ - pegasus_t *pegasus = netdev_priv(net); - if (netif_msg_timer(pegasus)) - printk(KERN_WARNING "%s: tx timeout\n", net->name); - usb_unlink_urb(pegasus->tx_urb); - pegasus->stats.tx_errors++; -} - -static int pegasus_start_xmit(struct sk_buff *skb, struct net_device *net) -{ - pegasus_t *pegasus = netdev_priv(net); - int count = ((skb->len + 2) & 0x3f) ? skb->len + 2 : skb->len + 3; - int res; - __u16 l16 = skb->len; - - netif_stop_queue(net); - - ((__le16 *) pegasus->tx_buff)[0] = cpu_to_le16(l16); - skb_copy_from_linear_data(skb, pegasus->tx_buff + 2, skb->len); - usb_fill_bulk_urb(pegasus->tx_urb, pegasus->usb, - usb_sndbulkpipe(pegasus->usb, 2), - pegasus->tx_buff, count, - write_bulk_callback, pegasus); - if ((res = usb_submit_urb(pegasus->tx_urb, GFP_ATOMIC))) { - if (netif_msg_tx_err(pegasus)) - printk(KERN_WARNING "%s: fail tx, %d\n", - net->name, res); - switch (res) { - case -EPIPE: /* stall, or disconnect from TT */ - /* cleanup should already have been scheduled */ - break; - case -ENODEV: /* disconnect() upcoming */ - netif_device_detach(pegasus->net); - break; - default: - pegasus->stats.tx_errors++; - netif_start_queue(net); - } - } else { - pegasus->stats.tx_packets++; - pegasus->stats.tx_bytes += skb->len; - net->trans_start = jiffies; - } - dev_kfree_skb(skb); - - return 0; -} - -static struct net_device_stats *pegasus_netdev_stats(struct net_device *dev) -{ - return &((pegasus_t *) netdev_priv(dev))->stats; -} - -static inline void disable_net_traffic(pegasus_t * pegasus) -{ - int tmp = 0; - - set_registers(pegasus, EthCtrl0, 2, &tmp); -} - -static inline void get_interrupt_interval(pegasus_t * pegasus) -{ - __u8 data[2]; - - read_eprom_word(pegasus, 4, (__u16 *) data); - if (pegasus->usb->speed != USB_SPEED_HIGH) { - if (data[1] < 0x80) { - if (netif_msg_timer(pegasus)) - dev_info(&pegasus->intf->dev, "intr interval " - "changed from %ums to %ums\n", - data[1], 0x80); - data[1] = 0x80; -#ifdef PEGASUS_WRITE_EEPROM - write_eprom_word(pegasus, 4, *(__u16 *) data); -#endif - } - } - pegasus->intr_interval = data[1]; -} - -static void set_carrier(struct net_device *net) -{ - pegasus_t *pegasus = netdev_priv(net); - u16 tmp; - - if (read_mii_word(pegasus, pegasus->phy, MII_BMSR, &tmp)) - return; - - if (tmp & BMSR_LSTATUS) - netif_carrier_on(net); - else - netif_carrier_off(net); -} - -static void free_all_urbs(pegasus_t * pegasus) -{ - usb_free_urb(pegasus->intr_urb); - usb_free_urb(pegasus->tx_urb); - usb_free_urb(pegasus->rx_urb); - usb_free_urb(pegasus->ctrl_urb); -} - -static void unlink_all_urbs(pegasus_t * pegasus) -{ - usb_kill_urb(pegasus->intr_urb); - usb_kill_urb(pegasus->tx_urb); - usb_kill_urb(pegasus->rx_urb); - usb_kill_urb(pegasus->ctrl_urb); -} - -static int alloc_urbs(pegasus_t * pegasus) -{ - pegasus->ctrl_urb = usb_alloc_urb(0, GFP_KERNEL); - if (!pegasus->ctrl_urb) { - return 0; - } - pegasus->rx_urb = usb_alloc_urb(0, GFP_KERNEL); - if (!pegasus->rx_urb) { - usb_free_urb(pegasus->ctrl_urb); - return 0; - } - pegasus->tx_urb = usb_alloc_urb(0, GFP_KERNEL); - if (!pegasus->tx_urb) { - usb_free_urb(pegasus->rx_urb); - usb_free_urb(pegasus->ctrl_urb); - return 0; - } - pegasus->intr_urb = usb_alloc_urb(0, GFP_KERNEL); - if (!pegasus->intr_urb) { - usb_free_urb(pegasus->tx_urb); - usb_free_urb(pegasus->rx_urb); - usb_free_urb(pegasus->ctrl_urb); - return 0; - } - - return 1; -} - -static int pegasus_open(struct net_device *net) -{ - pegasus_t *pegasus = netdev_priv(net); - int res; - - if (pegasus->rx_skb == NULL) - pegasus->rx_skb = pull_skb(pegasus); - /* - ** Note: no point to free the pool. it is empty :-) - */ - if (!pegasus->rx_skb) - return -ENOMEM; - - res = set_registers(pegasus, EthID, 6, net->dev_addr); - - usb_fill_bulk_urb(pegasus->rx_urb, pegasus->usb, - usb_rcvbulkpipe(pegasus->usb, 1), - pegasus->rx_skb->data, PEGASUS_MTU + 8, - read_bulk_callback, pegasus); - if ((res = usb_submit_urb(pegasus->rx_urb, GFP_KERNEL))) { - if (res == -ENODEV) - netif_device_detach(pegasus->net); - if (netif_msg_ifup(pegasus)) - pr_debug("%s: failed rx_urb, %d", net->name, res); - goto exit; - } - - usb_fill_int_urb(pegasus->intr_urb, pegasus->usb, - usb_rcvintpipe(pegasus->usb, 3), - pegasus->intr_buff, sizeof (pegasus->intr_buff), - intr_callback, pegasus, pegasus->intr_interval); - if ((res = usb_submit_urb(pegasus->intr_urb, GFP_KERNEL))) { - if (res == -ENODEV) - netif_device_detach(pegasus->net); - if (netif_msg_ifup(pegasus)) - pr_debug("%s: failed intr_urb, %d\n", net->name, res); - usb_kill_urb(pegasus->rx_urb); - goto exit; - } - if ((res = enable_net_traffic(net, pegasus->usb))) { - if (netif_msg_ifup(pegasus)) - pr_debug("%s: can't enable_net_traffic() - %d\n", - net->name, res); - res = -EIO; - usb_kill_urb(pegasus->rx_urb); - usb_kill_urb(pegasus->intr_urb); - free_skb_pool(pegasus); - goto exit; - } - set_carrier(net); - netif_start_queue(net); - if (netif_msg_ifup(pegasus)) - pr_debug("%s: open\n", net->name); - res = 0; -exit: - return res; -} - -static int pegasus_close(struct net_device *net) -{ - pegasus_t *pegasus = netdev_priv(net); - - netif_stop_queue(net); - if (!(pegasus->flags & PEGASUS_UNPLUG)) - disable_net_traffic(pegasus); - tasklet_kill(&pegasus->rx_tl); - unlink_all_urbs(pegasus); - - return 0; -} - -static void pegasus_get_drvinfo(struct net_device *dev, - struct ethtool_drvinfo *info) -{ - pegasus_t *pegasus = netdev_priv(dev); - strncpy(info->driver, driver_name, sizeof (info->driver) - 1); - strncpy(info->version, DRIVER_VERSION, sizeof (info->version) - 1); - usb_make_path(pegasus->usb, info->bus_info, sizeof (info->bus_info)); -} - -/* also handles three patterns of some kind in hardware */ -#define WOL_SUPPORTED (WAKE_MAGIC|WAKE_PHY) - -static void -pegasus_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol) -{ - pegasus_t *pegasus = netdev_priv(dev); - - wol->supported = WAKE_MAGIC | WAKE_PHY; - wol->wolopts = pegasus->wolopts; -} - -static int -pegasus_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol) -{ - pegasus_t *pegasus = netdev_priv(dev); - u8 reg78 = 0x04; - - if (wol->wolopts & ~WOL_SUPPORTED) - return -EINVAL; - - if (wol->wolopts & WAKE_MAGIC) - reg78 |= 0x80; - if (wol->wolopts & WAKE_PHY) - reg78 |= 0x40; - /* FIXME this 0x10 bit still needs to get set in the chip... */ - if (wol->wolopts) - pegasus->eth_regs[0] |= 0x10; - else - pegasus->eth_regs[0] &= ~0x10; - pegasus->wolopts = wol->wolopts; - return set_register(pegasus, WakeupControl, reg78); -} - -static inline void pegasus_reset_wol(struct net_device *dev) -{ - struct ethtool_wolinfo wol; - - memset(&wol, 0, sizeof wol); - (void) pegasus_set_wol(dev, &wol); -} - -static int -pegasus_get_settings(struct net_device *dev, struct ethtool_cmd *ecmd) -{ - pegasus_t *pegasus; - - if (in_atomic()) - return 0; - - pegasus = netdev_priv(dev); - mii_ethtool_gset(&pegasus->mii, ecmd); - - return 0; -} - -static int -pegasus_set_settings(struct net_device *dev, struct ethtool_cmd *ecmd) -{ - pegasus_t *pegasus = netdev_priv(dev); - return mii_ethtool_sset(&pegasus->mii, ecmd); -} - -static int pegasus_nway_reset(struct net_device *dev) -{ - pegasus_t *pegasus = netdev_priv(dev); - return mii_nway_restart(&pegasus->mii); -} - -static u32 pegasus_get_link(struct net_device *dev) -{ - pegasus_t *pegasus = netdev_priv(dev); - return mii_link_ok(&pegasus->mii); -} - -static u32 pegasus_get_msglevel(struct net_device *dev) -{ - pegasus_t *pegasus = netdev_priv(dev); - return pegasus->msg_enable; -} - -static void pegasus_set_msglevel(struct net_device *dev, u32 v) -{ - pegasus_t *pegasus = netdev_priv(dev); - pegasus->msg_enable = v; -} - -static struct ethtool_ops ops = { - .get_drvinfo = pegasus_get_drvinfo, - .get_settings = pegasus_get_settings, - .set_settings = pegasus_set_settings, - .nway_reset = pegasus_nway_reset, - .get_link = pegasus_get_link, - .get_msglevel = pegasus_get_msglevel, - .set_msglevel = pegasus_set_msglevel, - .get_wol = pegasus_get_wol, - .set_wol = pegasus_set_wol, -}; - -static int pegasus_ioctl(struct net_device *net, struct ifreq *rq, int cmd) -{ - __u16 *data = (__u16 *) & rq->ifr_ifru; - pegasus_t *pegasus = netdev_priv(net); - int res; - - switch (cmd) { - case SIOCDEVPRIVATE: - data[0] = pegasus->phy; - case SIOCDEVPRIVATE + 1: - read_mii_word(pegasus, data[0], data[1] & 0x1f, &data[3]); - res = 0; - break; - case SIOCDEVPRIVATE + 2: - if (!capable(CAP_NET_ADMIN)) - return -EPERM; - write_mii_word(pegasus, pegasus->phy, data[1] & 0x1f, data[2]); - res = 0; - break; - default: - res = -EOPNOTSUPP; - } - return res; -} - -static void pegasus_set_multicast(struct net_device *net) -{ - pegasus_t *pegasus = netdev_priv(net); - - if (net->flags & IFF_PROMISC) { - pegasus->eth_regs[EthCtrl2] |= RX_PROMISCUOUS; - if (netif_msg_link(pegasus)) - pr_info("%s: Promiscuous mode enabled.\n", net->name); - } else if (net->mc_count || - (net->flags & IFF_ALLMULTI)) { - pegasus->eth_regs[EthCtrl0] |= RX_MULTICAST; - pegasus->eth_regs[EthCtrl2] &= ~RX_PROMISCUOUS; - if (netif_msg_link(pegasus)) - pr_info("%s: set allmulti\n", net->name); - } else { - pegasus->eth_regs[EthCtrl0] &= ~RX_MULTICAST; - pegasus->eth_regs[EthCtrl2] &= ~RX_PROMISCUOUS; - } - - pegasus->flags |= ETH_REGS_CHANGE; - ctrl_callback(pegasus->ctrl_urb); -} - -static __u8 mii_phy_probe(pegasus_t * pegasus) -{ - int i; - __u16 tmp; - - for (i = 0; i < 32; i++) { - read_mii_word(pegasus, i, MII_BMSR, &tmp); - if (tmp == 0 || tmp == 0xffff || (tmp & BMSR_MEDIA) == 0) - continue; - else - return i; - } - - return 0xff; -} - -static inline void setup_pegasus_II(pegasus_t * pegasus) -{ - __u8 data = 0xa5; - - set_register(pegasus, Reg1d, 0); - set_register(pegasus, Reg7b, 1); - mdelay(100); - if ((pegasus->features & HAS_HOME_PNA) && mii_mode) - set_register(pegasus, Reg7b, 0); - else - set_register(pegasus, Reg7b, 2); - - set_register(pegasus, 0x83, data); - get_registers(pegasus, 0x83, 1, &data); - - if (data == 0xa5) { - pegasus->chip = 0x8513; - } else { - pegasus->chip = 0; - } - - set_register(pegasus, 0x80, 0xc0); - set_register(pegasus, 0x83, 0xff); - set_register(pegasus, 0x84, 0x01); - - if (pegasus->features & HAS_HOME_PNA && mii_mode) - set_register(pegasus, Reg81, 6); - else - set_register(pegasus, Reg81, 2); -} - - -static struct workqueue_struct *pegasus_workqueue = NULL; -#define CARRIER_CHECK_DELAY (2 * HZ) - -static void check_carrier(struct work_struct *work) -{ - pegasus_t *pegasus = container_of(work, pegasus_t, carrier_check.work); - set_carrier(pegasus->net); - if (!(pegasus->flags & PEGASUS_UNPLUG)) { - queue_delayed_work(pegasus_workqueue, &pegasus->carrier_check, - CARRIER_CHECK_DELAY); - } -} - -static int pegasus_probe(struct usb_interface *intf, - const struct usb_device_id *id) -{ - struct usb_device *dev = interface_to_usbdev(intf); - struct net_device *net; - pegasus_t *pegasus; - int dev_index = id - pegasus_ids; - int res = -ENOMEM; - - usb_get_dev(dev); - net = alloc_etherdev(sizeof(struct pegasus)); - if (!net) { - dev_err(&intf->dev, "can't allocate %s\n", "device"); - goto out; - } - - pegasus = netdev_priv(net); - memset(pegasus, 0, sizeof (struct pegasus)); - pegasus->dev_index = dev_index; - init_waitqueue_head(&pegasus->ctrl_wait); - - if (!alloc_urbs(pegasus)) { - dev_err(&intf->dev, "can't allocate %s\n", "urbs"); - goto out1; - } - - tasklet_init(&pegasus->rx_tl, rx_fixup, (unsigned long) pegasus); - - INIT_DELAYED_WORK(&pegasus->carrier_check, check_carrier); - - pegasus->intf = intf; - pegasus->usb = dev; - pegasus->net = net; - SET_MODULE_OWNER(net); - net->open = pegasus_open; - net->stop = pegasus_close; - net->watchdog_timeo = PEGASUS_TX_TIMEOUT; - net->tx_timeout = pegasus_tx_timeout; - net->do_ioctl = pegasus_ioctl; - net->hard_start_xmit = pegasus_start_xmit; - net->set_multicast_list = pegasus_set_multicast; - net->get_stats = pegasus_netdev_stats; - SET_ETHTOOL_OPS(net, &ops); - pegasus->mii.dev = net; - pegasus->mii.mdio_read = mdio_read; - pegasus->mii.mdio_write = mdio_write; - pegasus->mii.phy_id_mask = 0x1f; - pegasus->mii.reg_num_mask = 0x1f; - spin_lock_init(&pegasus->rx_pool_lock); - pegasus->msg_enable = netif_msg_init (msg_level, NETIF_MSG_DRV - | NETIF_MSG_PROBE | NETIF_MSG_LINK); - - pegasus->features = usb_dev_id[dev_index].private; - get_interrupt_interval(pegasus); - if (reset_mac(pegasus)) { - dev_err(&intf->dev, "can't reset MAC\n"); - res = -EIO; - goto out2; - } - set_ethernet_addr(pegasus); - fill_skb_pool(pegasus); - if (pegasus->features & PEGASUS_II) { - dev_info(&intf->dev, "setup Pegasus II specific registers\n"); - setup_pegasus_II(pegasus); - } - pegasus->phy = mii_phy_probe(pegasus); - if (pegasus->phy == 0xff) { - dev_warn(&intf->dev, "can't locate MII phy, using default\n"); - pegasus->phy = 1; - } - pegasus->mii.phy_id = pegasus->phy; - usb_set_intfdata(intf, pegasus); - SET_NETDEV_DEV(net, &intf->dev); - pegasus_reset_wol(net); - res = register_netdev(net); - if (res) - goto out3; - queue_delayed_work(pegasus_workqueue, &pegasus->carrier_check, - CARRIER_CHECK_DELAY); - - dev_info(&intf->dev, "%s, %s, %02x:%02x:%02x:%02x:%02x:%02x\n", - net->name, - usb_dev_id[dev_index].name, - net->dev_addr [0], net->dev_addr [1], - net->dev_addr [2], net->dev_addr [3], - net->dev_addr [4], net->dev_addr [5]); - return 0; - -out3: - usb_set_intfdata(intf, NULL); - free_skb_pool(pegasus); -out2: - free_all_urbs(pegasus); -out1: - free_netdev(net); -out: - usb_put_dev(dev); - return res; -} - -static void pegasus_disconnect(struct usb_interface *intf) -{ - struct pegasus *pegasus = usb_get_intfdata(intf); - - usb_set_intfdata(intf, NULL); - if (!pegasus) { - dev_dbg(&intf->dev, "unregistering non-bound device?\n"); - return; - } - - pegasus->flags |= PEGASUS_UNPLUG; - cancel_delayed_work(&pegasus->carrier_check); - unregister_netdev(pegasus->net); - usb_put_dev(interface_to_usbdev(intf)); - unlink_all_urbs(pegasus); - free_all_urbs(pegasus); - free_skb_pool(pegasus); - if (pegasus->rx_skb != NULL) { - dev_kfree_skb(pegasus->rx_skb); - pegasus->rx_skb = NULL; - } - free_netdev(pegasus->net); -} - -static int pegasus_suspend (struct usb_interface *intf, pm_message_t message) -{ - struct pegasus *pegasus = usb_get_intfdata(intf); - - netif_device_detach (pegasus->net); - cancel_delayed_work(&pegasus->carrier_check); - if (netif_running(pegasus->net)) { - usb_kill_urb(pegasus->rx_urb); - usb_kill_urb(pegasus->intr_urb); - } - return 0; -} - -static int pegasus_resume (struct usb_interface *intf) -{ - struct pegasus *pegasus = usb_get_intfdata(intf); - - netif_device_attach (pegasus->net); - if (netif_running(pegasus->net)) { - pegasus->rx_urb->status = 0; - pegasus->rx_urb->actual_length = 0; - read_bulk_callback(pegasus->rx_urb); - - pegasus->intr_urb->status = 0; - pegasus->intr_urb->actual_length = 0; - intr_callback(pegasus->intr_urb); - } - queue_delayed_work(pegasus_workqueue, &pegasus->carrier_check, - CARRIER_CHECK_DELAY); - return 0; -} - -static struct usb_driver pegasus_driver = { - .name = driver_name, - .probe = pegasus_probe, - .disconnect = pegasus_disconnect, - .id_table = pegasus_ids, - .suspend = pegasus_suspend, - .resume = pegasus_resume, -}; - -static void parse_id(char *id) -{ - unsigned int vendor_id=0, device_id=0, flags=0, i=0; - char *token, *name=NULL; - - if ((token = strsep(&id, ":")) != NULL) - name = token; - /* name now points to a null terminated string*/ - if ((token = strsep(&id, ":")) != NULL) - vendor_id = simple_strtoul(token, NULL, 16); - if ((token = strsep(&id, ":")) != NULL) - device_id = simple_strtoul(token, NULL, 16); - flags = simple_strtoul(id, NULL, 16); - pr_info("%s: new device %s, vendor ID 0x%04x, device ID 0x%04x, flags: 0x%x\n", - driver_name, name, vendor_id, device_id, flags); - - if (vendor_id > 0x10000 || vendor_id == 0) - return; - if (device_id > 0x10000 || device_id == 0) - return; - - for (i=0; usb_dev_id[i].name; i++); - usb_dev_id[i].name = name; - usb_dev_id[i].vendor = vendor_id; - usb_dev_id[i].device = device_id; - usb_dev_id[i].private = flags; - pegasus_ids[i].match_flags = USB_DEVICE_ID_MATCH_DEVICE; - pegasus_ids[i].idVendor = vendor_id; - pegasus_ids[i].idProduct = device_id; -} - -static int __init pegasus_init(void) -{ - pr_info("%s: %s, " DRIVER_DESC "\n", driver_name, DRIVER_VERSION); - if (devid) - parse_id(devid); - pegasus_workqueue = create_singlethread_workqueue("pegasus"); - if (!pegasus_workqueue) - return -ENOMEM; - return usb_register(&pegasus_driver); -} - -static void __exit pegasus_exit(void) -{ - destroy_workqueue(pegasus_workqueue); - usb_deregister(&pegasus_driver); -} - -module_init(pegasus_init); -module_exit(pegasus_exit); |